/* ================================================================
   MCT4SD 2026 — DESIGN SYSTEM + ALL COMPONENT STYLES
   Cape Town: Deep Ocean & Teal
   ================================================================ */

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
   :root {
    --ocean-950: #03131F;
    --ocean-900: #061E2F;
    --ocean-800: #0A3447;
    --ocean-700: #0D5E82;
    --ocean-600: #1A8BAD;
    --ocean-500: #5BBFD6;
    --ocean-400: #8ED4E4;
    --ocean-300: #B8E6F0;
    --ocean-200: #D6F1F7;
    --ocean-100: #EBF6FA;
    --ocean-50:  #F4FBFD;
  
    --white:         #FFFFFF;
    --off-white:     #F4F8FB;
    --surface-light: #EBF6FA;
  
    --gray-900: #061E2F;
    --gray-800: #0A3447;
    --gray-700: #1E3A4F;
    --gray-600: #2F5268;
    --gray-500: #4A7A96;
    --gray-400: #7AAEC4;
    --gray-300: #B0D4E2;
    --gray-200: #D5EAF2;
    --gray-100: #EBF6FA;
    --gray-50:  #F4F8FB;
  
    --gradient-hero: radial-gradient(ellipse 80% 60% at 60% 55%, #0D5E82 0%, #0A3447 45%, #061E2F 100%);
    --gradient-hero-glow: radial-gradient(ellipse 50% 40% at 70% 70%, rgba(26,139,173,0.30) 0%, transparent 70%);
    --gradient-overlay: linear-gradient(160deg, rgba(6,30,47,0.88) 0%, rgba(13,94,130,0.65) 50%, rgba(6,30,47,0.80) 100%);
    --gradient-card-1: linear-gradient(160deg, #0A3447, #0D5E82);
    --gradient-card-2: linear-gradient(160deg, #061E2F, #1A8BAD);
    --gradient-card-3: linear-gradient(160deg, #0D5E82, #061E2F);
    --gradient-card-4: linear-gradient(160deg, #1A8BAD, #0A3447);
    --gradient-card-5: linear-gradient(160deg, #061E2F, #0D5E82);
    --gradient-card-6: linear-gradient(160deg, #0A3447, #1A8BAD);
    --gradient-light: linear-gradient(135deg, #EBF6FA 0%, #F4F8FB 50%, #FFFFFF 100%);
    --gradient-dark: linear-gradient(180deg, #0A3447 0%, #061E2F 100%);
  
    --glass-bg:          rgba(255, 255, 255, 0.04);
    --glass-bg-hover:    rgba(255, 255, 255, 0.07);
    --glass-border:      rgba(91, 191, 214, 0.15);
    --glass-shadow:      0 8px 32px rgba(0, 0, 0, 0.36);
    --glass-pill-bg:     rgba(255, 255, 255, 0.07);
    --glass-pill-border: rgba(255, 255, 255, 0.18);
  
    /* ───────── TYPOGRAPHY — FONT FAMILIES ───────── */
    --font-display: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-heading: 'Crimson Text', Georgia, 'Times New Roman', serif;
    --font-banner:  var(--font-heading);
    --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

    /* ───────── TYPOGRAPHY — NUMERIC SCALE (T-shirt) ───────── */
    --text-2xs:  0.6875rem;   /* 11px */
    --text-xs:   0.75rem;     /* 12px */
    --text-sm:   0.875rem;    /* 14px */
    --text-md:   0.8125rem;   /* 13px  (mid-sized label) */
    --text-base: 1rem;        /* 16px */
    --text-lg:   1.125rem;    /* 18px */
    --text-xl:   1.25rem;     /* 20px */
    --text-2xl:  1.5rem;      /* 24px */
    --text-3xl:  1.875rem;    /* 30px */
    --text-4xl:  2.25rem;     /* 36px */
    --text-5xl:  3rem;        /* 48px */
    --text-6xl:  3.75rem;     /* 60px */
    --text-7xl:  4.5rem;      /* 72px */
    --text-8xl:  6rem;        /* 96px */

    /* ───────── TYPOGRAPHY — SEMANTIC TOKENS ─────────
       Each semantic level defines: size, weight, line-height, tracking.
       Use the matching utility class (.t-display, .t-h1 … .t-caption)
       OR use the tokens directly in component CSS. Never use magic numbers. */

    /* Display — editorial hero text */
    --fs-display: clamp(2.75rem, 6vw, 5rem);          /* 44 → 80px */
    --fw-display: 700;
    --lh-display: 1.05;
    --ls-display: -0.035em;

    /* H1 — page titles */
    --fs-h1: clamp(2.25rem, 4.5vw, 3.75rem);          /* 36 → 60px */
    --fw-h1: 700;
    --lh-h1: 1.08;
    --ls-h1: -0.03em;

    /* H2 — section titles */
    --fs-h2: clamp(1.875rem, 3.6vw, 3rem);            /* 30 → 48px */
    --fw-h2: 600;
    --lh-h2: 1.12;
    --ls-h2: -0.025em;

    /* H3 — sub-section titles */
    --fs-h3: clamp(1.5rem, 2.6vw, 2.25rem);           /* 24 → 36px */
    --fw-h3: 600;
    --lh-h3: 1.2;
    --ls-h3: -0.02em;

    /* H4 — card / panel titles */
    --fs-h4: clamp(1.25rem, 2vw, 1.5rem);             /* 20 → 24px */
    --fw-h4: 600;
    --lh-h4: 1.25;
    --ls-h4: -0.015em;

    /* Eyebrow — tracked uppercase label above headings */
    --fs-eyebrow: var(--text-xs);                     /* 12px */
    --fw-eyebrow: 700;
    --lh-eyebrow: 1.2;
    --ls-eyebrow: 0.15em;

    /* Body Large — lead / intro paragraph */
    --fs-body-lg: var(--text-lg);                     /* 18px */
    --fw-body-lg: 400;
    --lh-body-lg: 1.7;
    --ls-body-lg: 0;

    /* Body — default reading text */
    --fs-body: var(--text-base);                      /* 16px */
    --fw-body: 400;
    --lh-body: 1.7;
    --ls-body: 0;

    /* Body Small — supporting text */
    --fs-body-sm: var(--text-sm);                     /* 14px */
    --fw-body-sm: 400;
    --lh-body-sm: 1.6;
    --ls-body-sm: 0;

    /* Label — UI labels, form fields, buttons */
    --fs-label: var(--text-md);                       /* 13px */
    --fw-label: 600;
    --lh-label: 1.3;
    --ls-label: 0.02em;

    /* Caption — timestamps, metadata, fine print */
    --fs-caption: var(--text-xs);                     /* 12px */
    --fw-caption: 500;
    --lh-caption: 1.5;
    --ls-caption: 0.01em;

    /* H5 / H6 — in-card titles (between h4 and body) */
    --fs-h5: clamp(1.125rem, 1.15vw, 1.25rem);
    --fw-h5: 600;
    --lh-h5: 1.28;
    --ls-h5: -0.015em;

    --fs-h6: clamp(1.0625rem, 1.05vw, 1.125rem);
    --fw-h6: 600;
    --lh-h6: 1.3;
    --ls-h6: -0.01em;

    /* Primary navigation (desktop bar) */
    --fs-nav: clamp(0.8125rem, 0.72rem + 0.35vw, 0.875rem);
    --fw-nav: 500;
    --lh-nav: 1.35;
    --ls-nav: 0.01em;

    /* Short uppercase kicker (below eyebrow, section meta) */
    --ls-kicker: 0.05em;

    /* Badge / pill label (small caps, slightly tighter than eyebrow) */
    --fs-badge: var(--text-2xs);
    --fw-badge: 700;
    --ls-badge: 0.1em;
    --lh-badge: 1.25;
  
    --space-1:   0.25rem;
    --space-2:   0.5rem;
    --space-3:   0.75rem;
    --space-4:   1rem;
    --space-5:   1.25rem;
    --space-6:   1.5rem;
    --space-8:   2rem;
    --space-10:  2.5rem;
    --space-12:  3rem;
    --space-16:  4rem;
    --space-20:  5rem;
    --space-24:  6rem;
    --space-32:  8rem;
    --section-y: 80px;
    --home-section-y: clamp(3.25rem, 6.5vw, 5rem);
  
    --container-max:  1280px;
    --container-wide: 1440px;
    --container-sm:   768px;
  
    --radius-xs:   4px;
    --radius-sm:   8px;
    --radius-md:   12px;
    --radius-lg:   16px;
    --radius-xl:   24px;
    --radius-2xl:  32px;
    --radius-full: 9999px;
  
    --shadow-xs:    0 1px 3px rgba(6,30,47,0.07);
    --shadow-sm:    0 2px 8px rgba(6,30,47,0.10);
    --shadow-md:    0 8px 30px rgba(6,30,47,0.14);
    --shadow-lg:    0 20px 60px rgba(6,30,47,0.20);
    --shadow-xl:    0 40px 100px rgba(6,30,47,0.26);
    --shadow-teal:  0 8px 40px rgba(26,139,173,0.35);
    --shadow-card:  0 4px 24px rgba(6,30,47,0.10);
    --shadow-dark:  0 8px 40px rgba(0, 0, 0, 0.40);
  
    --ease-out:    cubic-bezier(0.0, 0.0, 0.2, 1);
    --ease-in:     cubic-bezier(0.4, 0.0, 1, 1);
    --ease-inout:  cubic-bezier(0.4, 0.0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  
    --transition-fast:   0.18s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-base:   0.35s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-slow:   0.65s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-spring: 0.50s cubic-bezier(0.34, 1.56, 0.64, 1);
  
    --z-base:    1;
    --z-raised:  10;
    --z-overlay: 100;
    --z-modal:   500;
    --z-nav:     1000;
    --z-toast:   2000;
  }
  
  /* ============================================================
     RESET & BASE
     ============================================================ */
  *, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: clamp(15px, 0.15vw + 14.75px, 16px);
  }
  
  body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--lh-body);
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
  }
  
  img, video, svg {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  a {
    color: var(--ocean-600);
    text-decoration: none;
    transition: color var(--transition-fast);
  }
  
  a:hover {
    color: var(--ocean-500);
  }
  
  ul, ol {
    list-style: none;
  }
  
  /* Headings — unified semantic typography
     Every heading level maps to a single semantic token. */
  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--gray-900);
    font-style: normal;
    font-feature-settings: "kern" 1, "liga" 1;
    font-variant-numeric: proportional-nums;
    text-rendering: optimizeLegibility;
  }

  h1 {
    font-size: var(--fs-h1);
    font-weight: var(--fw-h1);
    line-height: var(--lh-h1);
    letter-spacing: var(--ls-h1);
  }

  h2 {
    font-size: var(--fs-h2);
    font-weight: var(--fw-h2);
    line-height: var(--lh-h2);
    letter-spacing: var(--ls-h2);
  }

  h3 {
    font-size: var(--fs-h3);
    font-weight: var(--fw-h3);
    line-height: var(--lh-h3);
    letter-spacing: var(--ls-h3);
  }

  h4 {
    font-size: var(--fs-h4);
    font-weight: var(--fw-h4);
    line-height: var(--lh-h4);
    letter-spacing: var(--ls-h4);
  }

  h5 {
    font-size: var(--fs-h5);
    font-weight: var(--fw-h5);
    line-height: var(--lh-h5);
    letter-spacing: var(--ls-h5);
  }

  h6 {
    font-size: var(--fs-h6);
    font-weight: var(--fw-h6);
    line-height: var(--lh-h6);
    letter-spacing: var(--ls-h6);
  }

  p {
    margin-bottom: var(--space-4);
  }

  button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
  }

  input, textarea, select {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: var(--lh-body);
  }
  
  ::selection {
    background: var(--ocean-600);
    color: var(--white);
  }
  
  /* ============================================================
     ACCESSIBILITY
     ============================================================ */
  .skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    background: var(--ocean-600);
    color: var(--white);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-sm);
    z-index: var(--z-toast);
    font-weight: 600;
    transition: top var(--transition-fast);
  }
  
  .skip-link:focus {
    top: var(--space-4);
    color: var(--white);
  }
  
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
  }
  
  /* ============================================================
     PAGE TRANSITION
     ============================================================ */
  .page-transition {
    position: fixed;
    inset: 0;
    background: var(--ocean-900);
    z-index: calc(var(--z-toast) + 1);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(-100%);
    pointer-events: none;
  }
  
  .page-transition.exit {
    animation: curtainIn 0.4s var(--ease-out) forwards;
    pointer-events: all;
  }
  
  .page-transition.enter {
    animation: curtainOut 0.4s var(--ease-out) forwards;
  }
  
  .page-transition__logo {
    font-family: var(--font-banner);
    font-style: normal;
    font-size: var(--text-4xl);
    font-weight: 600;
    color: var(--white);
    opacity: 0.9;
  }
  
  /* ============================================================
     SCROLL PROGRESS
     ============================================================ */
  .scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--ocean-600), var(--ocean-400));
    z-index: calc(var(--z-nav) + 1);
    transition: width 0.1s linear;
  }
  
  /* ============================================================
     LAYOUT UTILITIES
     ============================================================ */
  .container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
  }
  
  .container--wide {
    max-width: var(--container-wide);
  }
  
  .container--sm {
    max-width: var(--container-sm);
  }
  
  .section {
    padding: var(--section-y) 0;
  }
  
  /* Homepage: even vertical rhythm between stacked sections */
  .page-home #main-content > .section {
    padding-top: var(--home-section-y);
    padding-bottom: var(--home-section-y);
  }
  
  .page-home .stats-bar {
    border-bottom: 1px solid var(--ocean-200);
  }
  
  .section--dark {
    background: var(--ocean-900);
    color: rgba(255,255,255,0.55);
  }
  
  .section--dark-alt {
    background: var(--ocean-800);
    color: rgba(255,255,255,0.55);
  }
  
  .section--light {
    background: var(--ocean-100);
  }
  
  .section--white {
    background: var(--white);
  }
  
  .section--off-white {
    background: var(--off-white);
  }
  
  .section--gradient-light {
    background: var(--gradient-light);
  }
  
  /* ============================================================
     TYPOGRAPHY UTILITIES — UNIFIED SEMANTIC SCALE
     Use these classes for every piece of text on the site.
     ============================================================ */

  /* Display — hero / editorial headline */
  .t-display {
    font-family: var(--font-display);
    font-size: var(--fs-display);
    font-weight: var(--fw-display);
    line-height: var(--lh-display);
    letter-spacing: var(--ls-display);
  }

  /* Page titles */
  .t-h1 {
    font-family: var(--font-heading);
    font-size: var(--fs-h1);
    font-weight: var(--fw-h1);
    line-height: var(--lh-h1);
    letter-spacing: var(--ls-h1);
  }

  /* Section titles */
  .t-h2 {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: var(--fw-h2);
    line-height: var(--lh-h2);
    letter-spacing: var(--ls-h2);
  }

  /* Sub-section titles */
  .t-h3 {
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: var(--fw-h3);
    line-height: var(--lh-h3);
    letter-spacing: var(--ls-h3);
  }

  /* Card / panel titles */
  .t-h4 {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    font-weight: var(--fw-h4);
    line-height: var(--lh-h4);
    letter-spacing: var(--ls-h4);
  }

  .t-h5 {
    font-family: var(--font-heading);
    font-size: var(--fs-h5);
    font-weight: var(--fw-h5);
    line-height: var(--lh-h5);
    letter-spacing: var(--ls-h5);
  }

  .t-h6 {
    font-family: var(--font-heading);
    font-size: var(--fs-h6);
    font-weight: var(--fw-h6);
    line-height: var(--lh-h6);
    letter-spacing: var(--ls-h6);
  }

  /* Eyebrow — small uppercase label above headings */
  .t-eyebrow,
  .eyebrow {
    font-family: var(--font-body);
    font-size: var(--fs-eyebrow);
    font-weight: var(--fw-eyebrow);
    line-height: var(--lh-eyebrow);
    letter-spacing: var(--ls-eyebrow);
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
  }

  /* Body large — lead paragraph */
  .t-body-lg {
    font-family: var(--font-body);
    font-size: var(--fs-body-lg);
    font-weight: var(--fw-body-lg);
    line-height: var(--lh-body-lg);
    letter-spacing: var(--ls-body-lg);
  }

  /* Body default — standard copy */
  .t-body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    font-weight: var(--fw-body);
    line-height: var(--lh-body);
    letter-spacing: var(--ls-body);
  }

  /* Body small — supporting text / captions in flow */
  .t-body-sm {
    font-family: var(--font-body);
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-body-sm);
    line-height: var(--lh-body-sm);
    letter-spacing: var(--ls-body-sm);
  }

  /* Label — UI labels, form fields, button text */
  .t-label {
    font-family: var(--font-body);
    font-size: var(--fs-label);
    font-weight: var(--fw-label);
    line-height: var(--lh-label);
    letter-spacing: var(--ls-label);
  }

  /* Caption — timestamps, metadata, fine print */
  .t-caption {
    font-family: var(--font-body);
    font-size: var(--fs-caption);
    font-weight: var(--fw-caption);
    line-height: var(--lh-caption);
    letter-spacing: var(--ls-caption);
  }

  /* Modifiers */
  .eyebrow--teal { color: var(--ocean-500); }
  .eyebrow--dark { color: var(--ocean-600); }

  /* Section head composite — used everywhere */
  .section-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h1);
    font-weight: var(--fw-h1);
    line-height: var(--lh-h1);
    letter-spacing: var(--ls-h1);
    font-feature-settings: "kern" 1, "liga" 1;
    margin-bottom: var(--space-4);
  }

  .section-title--white { color: var(--white); }
  .section-title--dark  { color: var(--ocean-900); }

  /* Same section-title treatment at H2 / H3 optical scale */
  .section-title--h2 {
    font-size: var(--fs-h2);
    font-weight: var(--fw-h2);
    line-height: var(--lh-h2);
    letter-spacing: var(--ls-h2);
  }

  .section-title--h3 {
    font-size: var(--fs-h3);
    font-weight: var(--fw-h3);
    line-height: var(--lh-h3);
    letter-spacing: var(--ls-h3);
  }

  .section-title--mb-6 {
    margin-bottom: var(--space-6);
  }

  .section-subtitle {
    font-family: var(--font-body);
    font-size: var(--fs-body-lg);
    font-weight: var(--fw-body-lg);
    line-height: var(--lh-body-lg);
    max-width: 680px;
  }

  .section-subtitle--light { color: rgba(255,255,255,0.55); }
  .section-subtitle--dark  { color: var(--gray-600); }
  
  .text-gradient {
    background: linear-gradient(135deg, var(--ocean-500), var(--ocean-400), var(--ocean-500));
    background-size: 400% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
  }
  
  .text-mono {
    font-family: var(--font-mono);
  }
  
  .text-serif {
    font-family: var(--font-display);
  }

  /* Inline page headings — prefer classes over duplicated inline styles */
  .agenda-day-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: var(--fw-h3);
    line-height: var(--lh-h3);
    letter-spacing: var(--ls-h3);
    color: var(--ocean-900);
    margin-bottom: var(--space-6);
  }

  .venue-hero-lead {
    font-family: var(--font-body);
    font-size: var(--fs-body-lg);
    font-weight: var(--fw-body-lg);
    line-height: var(--lh-body-lg);
    color: rgba(255, 255, 255, 0.65);
    margin-top: var(--space-4);
  }

  .venue-section-h3 {
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: var(--fw-h3);
    line-height: var(--lh-h3);
    letter-spacing: var(--ls-h3);
    color: var(--ocean-900);
    margin: var(--space-6) 0 var(--space-4);
  }

  .venue-section-h4 {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    font-weight: var(--fw-h4);
    line-height: var(--lh-h4);
    letter-spacing: var(--ls-h4);
    color: var(--ocean-900);
    margin: var(--space-6) 0 var(--space-3);
  }
  
  /* ============================================================
     ANNOUNCEMENT STRIP
     ============================================================ */
  .announcement-strip {
    background: var(--ocean-100);
    border-bottom: 1px solid var(--ocean-200);
    padding: var(--space-2) 0;
    position: relative;
    z-index: calc(var(--z-nav) + 1);
    transition: transform var(--transition-base), opacity var(--transition-base);
  }
  
  .announcement-strip--hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    position: absolute;
    width: 100%;
  }
  
  .announcement-strip__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    font-size: var(--text-sm);
  }
  
  .announcement-strip__dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ocean-600);
    animation: pulseDot 2s infinite;
    margin-right: var(--space-2);
  }
  
  .announcement-strip__text {
    color: var(--gray-700);
    font-weight: 500;
    display: flex;
    align-items: center;
  }
  
  .announcement-strip__cta {
    background: var(--ocean-600);
    color: var(--white);
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    white-space: nowrap;
    transition: background var(--transition-fast), transform var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
  }
  
  .announcement-strip__cta:hover {
    background: var(--ocean-700);
    color: var(--white);
    transform: translateX(2px);
  }
  
  .announcement-strip__close {
    color: var(--gray-500);
    font-size: var(--text-sm);
    padding: var(--space-1);
    transition: color var(--transition-fast);
    flex-shrink: 0;
  }
  
  .announcement-strip__close:hover {
    color: var(--gray-800);
  }
  
  /* ============================================================
     NAVBAR
     ============================================================ */
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    padding: var(--space-4) 0;
    transition: background var(--transition-base), padding var(--transition-base), box-shadow var(--transition-base), top var(--transition-base);
    background: transparent;
  }
  
  .navbar.has-announcement {
    top: 40px;
  }
  
  .navbar.scrolled {
    background: rgba(6, 30, 47, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: var(--space-3) 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.25);
    top: 0;
  }
  
  .navbar__container {
    max-width: var(--container-wide);
    padding-left: 2.5rem;  
    padding-right: 1.5rem;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .navbar__logo {
    display: flex;
    align-items: center;
    margin-left: var(--space-3);
    margin-right: 1.5rem;
    gap: var(--space-3);
    color: var(--white);
    text-decoration: none;
    flex-shrink: 0;
  }
  
  .navbar__logo:hover {
    color: var(--white);
  }
  
  .navbar__logo-img {
    width: 104px;
    height: 104px;
    flex-shrink: 0;
    display: block;
    object-fit: contain;
    /* Pull in vertical space so a larger logo does not grow the navbar bar */
    margin-top: -26px;
    margin-bottom: -26px;
  }
  
  .navbar__logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
  }
  
  .navbar__logo-name {
    font-family: var(--font-banner);
    font-style: normal;
    font-size: var(--text-xl);
    font-weight: 600;
    letter-spacing: -0.01em;
  }
  
  .navbar__logo-location {
    font-size: var(--text-xs);
    color: var(--ocean-400);
    font-weight: 500;
  }
  
  /* Nav Menu */
  .navbar__menu {
    display: flex;
    margin-left: 1rem;
    align-items: center;
    gap: var(--space-1);
  }
  
  .navbar__item {
    position: relative;
  }
  
  .navbar__link {
    color: rgba(255,255,255,0.75);
    font-family: var(--font-body);
    font-size: var(--fs-nav);
    font-weight: var(--fw-nav);
    line-height: var(--lh-nav);
    letter-spacing: var(--ls-nav);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    white-space: nowrap;
  }
  
  .navbar__link:hover {
    color: var(--white);
    background: var(--glass-bg-hover);
  }
  
  .navbar__link--active {
    color: var(--white);
  }
  
  .navbar__link--active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: var(--space-3);
    right: var(--space-3);
    height: 2px;
    background: var(--ocean-500);
    border-radius: var(--radius-full);
  }
  
  .navbar__chevron {
    font-size: 0.6em;
    transition: transform var(--transition-fast);
  }
  
  .navbar__item--dropdown:hover .navbar__chevron,
  .navbar__item--dropdown .navbar__link[aria-expanded="true"] .navbar__chevron {
    transform: rotate(180deg);
  }
  
  /* Dropdown */
  .navbar__dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 0;
    min-width: 260px;
    background: rgba(6, 30, 47, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    box-shadow: var(--shadow-lg);
  }
  
  .navbar__item--dropdown:hover .navbar__dropdown,
  .navbar__item--dropdown .navbar__link[aria-expanded="true"] + .navbar__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .navbar__dropdown-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    color: rgba(255,255,255,0.7);
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
  }
  
  .navbar__dropdown-link:hover {
    background: var(--glass-bg-hover);
    color: var(--white);
  }
  
  .navbar__dropdown-link i {
    width: 20px;
    text-align: center;
    color: var(--ocean-500);
    font-size: var(--text-sm);
  }
  
  /* Nav Actions */
  .navbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
  }
  
  .navbar__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--ocean-600);
    color: var(--white);
    font-weight: 600;
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-6);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    animation: pulseGold 2.5s infinite;
    box-shadow: var(--shadow-teal);
  }
  
  .navbar__cta:hover {
    background: var(--ocean-500);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(26,139,173,0.5);
  }
  
  /* Hamburger */
  .navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    z-index: calc(var(--z-modal) + 1);
  }
  
  .navbar__hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base), opacity var(--transition-fast);
  }
  
  .navbar__hamburger.active .navbar__hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .navbar__hamburger.active .navbar__hamburger-line:nth-child(2) {
    opacity: 0;
  }
  
  .navbar__hamburger.active .navbar__hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  /* ============================================================
     MOBILE MENU
     ============================================================ */
  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    pointer-events: none;
  }
  
  .mobile-menu.open {
    pointer-events: all;
  }
  
  .mobile-menu__overlay {
    position: absolute;
    inset: 0;
    background: rgba(3, 19, 31, 0.7);
    opacity: 0;
    transition: opacity var(--transition-base);
  }
  
  .mobile-menu.open .mobile-menu__overlay {
    opacity: 1;
  }
  
  .mobile-menu__panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 400px;
    height: 100%;
    background: var(--ocean-900);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
  }
  
  .mobile-menu.open .mobile-menu__panel {
    transform: translateX(0);
  }
  
  .mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--glass-border);
  }
  
  .mobile-menu__brand {
    font-family: var(--font-banner);
    font-size: var(--text-xl);
    font-weight: 600;
    font-style: normal;
    color: var(--white);
  }
  
  .mobile-menu__close {
    color: rgba(255,255,255,0.6);
    font-size: var(--text-xl);
    padding: var(--space-2);
    transition: color var(--transition-fast);
  }
  
  .mobile-menu__close:hover {
    color: var(--white);
  }
  
  .mobile-menu__nav {
    flex: 1;
    padding: var(--space-4) var(--space-6);
  }
  
  .mobile-menu__list {
    display: flex;
    flex-direction: column;
  }
  
  .mobile-menu__item {
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  
  .mobile-menu__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-4) 0;
    color: rgba(255,255,255,0.8);
    font-family: var(--font-body);
    font-size: var(--text-lg);
    font-weight: var(--fw-nav);
    letter-spacing: var(--ls-nav);
    transition: color var(--transition-fast);
    opacity: 0;
    transform: translateX(20px);
  }
  
  .mobile-menu.open .mobile-menu__link {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), color var(--transition-fast);
  }
  
  .mobile-menu__link:hover {
    color: var(--white);
  }
  
  .mobile-menu__link--toggle i {
    font-size: 0.7em;
    transition: transform var(--transition-fast);
  }
  
  .mobile-menu__link--toggle[aria-expanded="true"] i {
    transform: rotate(180deg);
  }
  
  .mobile-menu__sub {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    padding-left: var(--space-4);
  }
  
  .mobile-menu__sub.open {
    max-height: 600px;
  }
  
  .mobile-menu__sub-link {
    display: block;
    padding: var(--space-2) 0;
    color: rgba(255,255,255,0.55);
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--lh-body);
    transition: color var(--transition-fast);
  }
  
  .mobile-menu__sub-link:hover {
    color: var(--ocean-400);
  }
  
  .mobile-menu__footer {
    padding: var(--space-6);
    border-top: 1px solid var(--glass-border);
    text-align: center;
  }
  
  .mobile-menu__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--ocean-600);
    color: var(--white);
    font-weight: 600;
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-full);
    font-size: var(--text-base);
    transition: background var(--transition-fast);
    width: 100%;
    justify-content: center;
  }
  
  .mobile-menu__cta:hover {
    background: var(--ocean-500);
    color: var(--white);
  }
  
  .mobile-menu__info {
    margin-top: var(--space-3);
    color: rgba(255,255,255,0.35);
    font-size: var(--text-sm);
  }
  
  /* ============================================================
     HERO
     ============================================================ */
  .hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--space-32) var(--space-6) var(--space-20);
  }
  
  .hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    background-size: cover;
    background-position: center;
    z-index: 0;
  }
  
  .hero-bg--image {
    background-image: url('https://images.unsplash.com/photo-1770553129485-99739edb534f?auto=format&fit=crop&w=1920&q=80');
  }
  
  .hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(6, 30, 47, 0.6);
    z-index: 1;
  }
  
  .hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero-glow);
    z-index: 2;
  }
  
  .hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
  }
  
  .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 960px;
    margin: 0 auto;
  }
  
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--glass-pill-bg);
    border: 1px solid var(--glass-pill-border);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-5);
    margin-bottom: var(--space-8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  
  .hero-badge__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ocean-500);
    animation: pulseDot 2s infinite;
  }
  
  .hero-badge__text {
    color: rgba(255,255,255,0.8);
    font-size: var(--text-sm);
    font-weight: 500;
  }
  
  .hero-pretitle {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--ocean-500);
    margin-bottom: var(--space-4);
  }
  
  .hero-title {
    font-family: var(--font-banner);
    font-style: normal;
    font-size: clamp(var(--text-5xl), 6.75vw, var(--text-8xl));
    font-weight: 600;
    color: var(--white);
    line-height: 1.06;
    letter-spacing: -0.035em;
    font-feature-settings: "kern" 1, "liga" 1;
    margin-bottom: var(--space-6);
  }
  
  .hero-title__highlight {
    background: linear-gradient(135deg, var(--ocean-400), var(--ocean-300), var(--ocean-400));
    background-size: 400% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
  }
  
  .hero-title__italic {
    font-style: italic;
    color: rgba(255,255,255,0.82);
    -webkit-text-fill-color: rgba(255,255,255,0.82);
  }
  
  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
  }
  
  .hero-meta__pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--glass-pill-bg);
    border: 1px solid var(--glass-pill-border);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4);
    color: rgba(255,255,255,0.8);
    font-size: var(--text-sm);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }
  
  .hero-mode {
    color: rgba(255,255,255,0.45);
    font-size: var(--text-sm);
    margin-bottom: var(--space-8);
  }
  
  .hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-bottom: var(--space-12);
  }
  
  .hero-countdown {
    margin-bottom: var(--space-8);
  }
  
  .hero-countdown__label {
    color: rgba(255,255,255,0.45);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
  }
  
  .hero-countdown__grid {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
  }
  
  .hero-countdown__unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
  }
  
  .hero-countdown__number {
    font-family: var(--font-mono);
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: 700;
    color: var(--ocean-400);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-4);
    min-width: 72px;
    text-align: center;
    line-height: 1;
  }
  
  .hero-countdown__text {
    color: rgba(255,255,255,0.35);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }
  
  .countdown-closed {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--ocean-400);
    font-weight: 600;
  }
  
  .hero-scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: rgba(255,255,255,0.3);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--ls-eyebrow);
  }
  
  .hero-scroll__line {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    animation: scrollLine 2s infinite;
  }
  
  /* ============================================================
     BUTTONS
     ============================================================ */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
  }
  
  .btn--primary {
    background: var(--ocean-600);
    color: var(--white);
    box-shadow: var(--shadow-teal);
  }
  
  .btn--primary:hover {
    background: var(--ocean-500);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(26,139,173,0.5);
  }
  
  .btn--outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.35);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }
  
  .btn--outline:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-color: rgba(255,255,255,0.6);
    transform: translateY(-3px);
  }
  
  .btn--outline-dark {
    background: transparent;
    color: var(--ocean-600);
    border: 2px solid var(--ocean-600);
  }
  
  .btn--outline-dark:hover {
    background: var(--ocean-600);
    color: var(--white);
    transform: translateY(-3px);
  }
  
  .btn--sm {
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-5);
  }
  
  .btn--lg {
    font-size: var(--text-lg);
    padding: var(--space-4) var(--space-10);
  }
  
  .btn--dark {
    background: var(--ocean-900);
    color: var(--white);
  }
  
  .btn--dark:hover {
    background: var(--ocean-800);
    color: var(--white);
    transform: translateY(-3px);
  }
  
  /* ============================================================
     STATS BAR
     ============================================================ */
  .stats-bar {
    background: var(--ocean-900);
    padding: var(--space-12) 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
  }
  
  .stats-bar__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }
  
  .stats-bar__item {
    text-align: center;
    position: relative;
  }
  
  .stats-bar__item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 10%;
    height: 80%;
    width: 1px;
    background: var(--glass-border);
  }
  
  .stats-bar__number {
    font-family: var(--font-mono);
    font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
    font-weight: 700;
    color: var(--ocean-500);
    line-height: 1;
    margin-bottom: var(--space-2);
  }
  
  .stats-bar__label {
    color: rgba(255,255,255,0.45);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
  }
  
  /* ============================================================
     ABOUT SECTION
     ============================================================ */
  .about-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-16);
    align-items: start;
  }
  
  .about-text p {
    color: rgba(10,52,71,0.72);
    font-size: var(--text-base);
    line-height: 1.8;
    margin-bottom: var(--space-6);
  }
  
  .about-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .about-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  
  .about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  
  .about-card__icon {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
  }
  
  .about-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: var(--space-1);
  }
  
  .about-card__text {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin-bottom: 0;
  }
  
  .about-grid--conference {
    grid-template-columns: minmax(260px, 1fr) minmax(0, 1.4fr) minmax(240px, 1fr);
    gap: var(--space-16);
    align-items: start;
  }
  
  .about-grid--conference__media {
    min-width: 0;
  }
  
  .about-grid--conference__media .about-split__figure {
    min-height: clamp(220px, 32vw, 380px);
    height: 100%;
  }
  
  .about-grid--conference__media .about-split__img {
    min-height: clamp(220px, 32vw, 380px);
  }
  
  /* ── Strip ALL white/card backgrounds from this section ── */
  /* Only remove white backgrounds from inner wrappers — leave section background untouched */
  .indexing-tibs__panel,
  .indexing-tibs__pub-card,
  .indexing-tibs__dark-panel,
  .indexing-tibs__index-section,
  .indexing-tibs__pub-info {
    background: none !important;
    box-shadow: none !important;
    border: none !important;
    border-radius: 0 !important;
  }
  
  /* Publication Details — plain, centered text */
  .indexing-tibs__pub-info {
    margin-bottom: 3rem;
    padding: 1rem 0;
    text-align: center;
  }
  
  .indexing-tibs__pub-info-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    font-weight: var(--fw-h4);
    line-height: var(--lh-h4);
    letter-spacing: var(--ls-h4);
    color: #0d2d3a;
    margin-bottom: 0.5rem;
  }
  
  .indexing-tibs__pub-info-text {
    color: #4a5568;
    font-size: var(--fs-body);
    line-height: var(--lh-body);
    justify-content: center;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .indexing-tibs__pub-info-text .fa-clock {
    color: #0d9488;
  }
  
  /* Indexing title — same size & font as main heading */
  .indexing-tibs__index-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: var(--fw-h2);
    line-height: var(--lh-h2);
    letter-spacing: var(--ls-h2);
    color: #0d2d3a;
    text-align: center;
    margin-bottom: 1rem;
  }
  
  .indexing-tibs__index-section .indexing-tibs__intro {
    color: #4a5568;
    text-align: center;
    margin-bottom: 2rem;
  }
  
  @media (max-width: 1100px) {
    .about-grid--conference {
      grid-template-columns: 1fr 1fr;
      gap: var(--space-12);
    }
  
    .about-grid--conference__media {
      grid-column: 1 / -1;
      max-width: 520px;
      margin: 0 auto;
      width: 100%;
    }
  
    .about-grid--conference .about-text {
      grid-column: 1;
    }
  
    .about-grid--conference__aside {
      grid-column: 2;
    }
  }
  
  @media (max-width: 1024px) {
    .about-grid--conference {
      grid-template-columns: 1fr;
    }
  
    .about-grid--conference__media {
      grid-column: auto;
      max-width: none;
    }
  
    .about-grid--conference .about-text {
      grid-column: auto;
    }
  
    .about-grid--conference__aside {
      grid-column: auto;
    }
  }
  
  .about-section.about-section--split {
    background: linear-gradient(180deg, var(--ocean-50) 0%, var(--white) 35%, var(--white) 100%);
  }
  
  .container--about {
    max-width: min(100%, calc(var(--container-max) + 32px));
  }
  
  .about-content-box {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: clamp(1.25rem, 3.5vw, 2.5rem);
    position: relative;
    overflow: hidden;
  }
  
  .about-content-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--ocean-600), var(--ocean-400), var(--ocean-500));
    opacity: 0.95;
  }
  
  .about-content-box__title {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--ocean-100);
    position: relative;
  }
  
  .about-content-box__title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 4rem;
    height: 2px;
    background: var(--ocean-500);
    border-radius: var(--radius-full);
  }
  
  .about-split {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(260px, 0.92fr);
    gap: clamp(var(--space-8), 3.5vw, var(--space-14));
    align-items: center;
  }
  
  .about-split__text {
    display: block;
    overflow-x: hidden;
    overflow-y: visible;
    align-self: stretch;
    min-width: 0;
  }
  
  .about-split__text .about-content-box__title {
    column-span: all;
  }
  
  .about-split__text .about-split__eyebrow {
    column-span: all;
    margin-bottom: var(--space-3);
  }
  
  .about-split__text p {
    color: var(--gray-700);
    font-size: var(--fs-body);
    line-height: var(--lh-body);
    margin-bottom: var(--space-4);
    text-align: start;
    hyphens: manual;
    -webkit-hyphens: manual;
  }
  
  .about-split__text p:last-child {
    margin-bottom: 0;
  }
  
  @media (min-width: 1100px) {
    .about-split__text {
      column-count: 2;
      column-gap: 1.75rem;
      column-fill: balance;
      column-rule: 1px solid var(--ocean-200);
    }
  
    .about-split__text p {
      text-align: justify;
      hyphens: auto;
      -webkit-hyphens: auto;
    }
  }
  
  .about-split__media {
    display: flex;
    align-items: stretch;
    align-self: stretch;
    min-height: 0;
    min-width: 0;
  }
  
  .about-split__figure {
    margin: 0;
    width: 100%;
    height: 100%;
    min-height: clamp(220px, 38vw, 420px);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--ocean-200);
    box-shadow: var(--shadow-md);
    background: var(--ocean-100);
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
  }
  
  .about-split__img {
    width: 100%;
    height: 100%;
    min-height: clamp(220px, 38vw, 420px);
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform var(--transition-slow);
  }
  
  .about-split__figure:hover {
    border-color: var(--ocean-300);
    box-shadow: var(--shadow-lg);
  }
  
  .about-split__figure:hover .about-split__img {
    transform: scale(1.02);
  }
  
  @media (max-width: 1024px) {
    .about-split {
      grid-template-columns: 1fr;
      gap: var(--space-10);
      align-items: start;
    }
  
    .about-split__text {
      column-count: 1;
      column-rule: none;
    }
  
    .about-split__text p {
      text-align: start;
    }
  
    .about-split__figure {
      min-height: min(360px, 50vw);
      max-height: 480px;
    }
  
    .about-split__img {
      min-height: min(360px, 50vw);
      max-height: 480px;
    }
  }
  
  /* ============================================================
     PARTNERS (tibs-style grid)
     ============================================================ */
  .partners-tibs--home .section-header {
    margin-bottom: var(--space-12);
  }
  
  .partners-tibs--home .partners-tibs__heading {
    text-align: center;
    margin-bottom: 0;
    margin-left: auto;
    margin-right: auto;
    max-width: none;
  }
  
  .partners-tibs__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-12) var(--space-10);
    max-width: 920px;
    margin: 0 auto;
    text-align: center;
  }
  
  .partners-tibs__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-5);
  }
  
  .partners-tibs__label {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--ocean-700);
    margin: 0;
    line-height: 1.35;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-wrap: balance;
  }
  
  .partners-tibs__logo-frame {
    padding: var(--space-6) var(--space-8);
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--ocean-200);
    box-shadow: 0 6px 28px rgba(26, 139, 173, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 340px;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
  }
  
  .partners-tibs__logo-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: linear-gradient(160deg, transparent, var(--ocean-500), transparent);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
  }
  
  .partners-tibs__logo-frame:hover {
    border-color: var(--ocean-400);
    box-shadow:
      0 12px 40px rgba(26, 139, 173, 0.22),
      0 8px 28px rgba(0, 0, 0, 0.08);
    transform: translateY(-6px);
  }
  
  .partners-tibs__logo-frame:hover::before {
    opacity: 1;
  }
  
  .partners-tibs__logo-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 340px;
    margin: 0 auto;
  }
  
  .partners-tibs__logo {
    display: block;
    width: 100%;
    max-width: 280px;
    height: auto;
    object-fit: contain;
    position: relative;
    z-index: 1;
  }
  
  /* ============================================================
     WHO CAN PARTICIPATE (split layout)
     ============================================================ */
  .participate-split-section .section-header {
    margin-bottom: var(--space-12);
  }
  
  .participate-split-section__title {
    text-align: center;
    margin-bottom: 0;
  }
  
  .participate-split-section__title.section-heading-unified {
    display: block;
  }
  
  .participate-split {
    display: grid;
    grid-template-columns: minmax(0, 0.45fr) minmax(0, 0.55fr);
    gap: var(--space-10);
    align-items: start;
  }
  
  .participate-split__img {
    width: 100%;
    max-height: min(760px, 88vh);
    border-radius: 16px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
  }
  
  .participate-card {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 20px 24px;
    background: transparent;
    margin-bottom: 12px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }
  
  .participate-card:last-child {
    margin-bottom: 0;
  }
  
  .participate-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--ocean-900);
    margin: 0 0 var(--space-2);
  }
  
  .participate-card__desc {
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-body-sm);
    line-height: var(--lh-body-sm);
    color: #6b7280;
    line-height: 1.65;
    margin: 0;
  }
  
  /* ============================================================
     WHO CAN PARTICIPATE — scroll-driven experience
     ============================================================ */

  /* Outer wrapper acts as the scroll container */
  .wcp-outer {
    position: relative;
  }

  .wcp-track {
    height: 100vh;
    overflow-y: scroll;
    overflow-x: hidden;
    scrollbar-width: none;        /* Firefox */
    -ms-overflow-style: none;     /* IE/Edge */
  }
  .wcp-track::-webkit-scrollbar  { display: none; }

  /* Tall inner element creates 3 scroll phases */
  .wcp-track__inner {
    height: 300vh;
    position: relative;
  }

  /* Sticky viewport — fills 100 vh, sticks at top */
  .wcp-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    background: var(--ocean-900);
    background-image: radial-gradient(ellipse 60% 50% at 50% 55%, rgba(26,139,173,0.09) 0%, transparent 70%);
    padding: 28px 20px 20px;
    overflow: hidden;
    box-sizing: border-box;
  }

  /* ─── Header ─── */
  .wcp-header {
    text-align: center;
    margin-bottom: 18px;
    flex-shrink: 0;
  }

  .wcp-eyebrow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: var(--text-2xs);
    font-weight: 500;
    line-height: var(--lh-eyebrow);
    letter-spacing: 0.22em;
    color: var(--ocean-600);
    text-transform: uppercase;
    margin: 0 0 8px;
  }
  .wcp-eyebrow__line {
    display: inline-block;
    width: 28px;
    height: 1px;
    background: var(--ocean-600);
    opacity: 0.6;
  }

  .wcp-title {
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    font-weight: var(--fw-h3);
    line-height: var(--lh-h3);
    letter-spacing: var(--ls-h3);
    color: var(--off-white);
    margin: 0;
  }
  .wcp-title em {
    font-style: italic;
    font-weight: 400;
    color: var(--ocean-600);
  }

  /* ─── 3-column grid ─── */
  .wcp-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 210px minmax(0, 1fr);
    gap: 0 18px;
    width: 100%;
    max-width: 920px;
    align-items: center;
    flex: 1 1 0;
    min-height: 0;
  }

  /* ─── Left / Right columns ─── */
  .wcp-col {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .wcp-col--left  { align-items: flex-end; }
  .wcp-col--right { align-items: flex-start; justify-content: center; }

  /* ─── Cards ─── */
  .wcp-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 9px 12px;
    background: rgba(255,255,255,0.035);
    border: 0.5px solid rgba(26,139,173,0.28);
    border-radius: 9px;
    cursor: default;
    max-width: 220px;
    width: 100%;
    box-sizing: border-box;
    transition: background 0.25s ease, border-color 0.25s ease;
  }
  .wcp-card--left  { flex-direction: row-reverse; }
  .wcp-card--right { flex-direction: row; }

  /* Connector line toward the image */
  .wcp-card--left::after,
  .wcp-card--right::after {
    content: '';
    position: absolute;
    top: 50%;
    height: 1px;
    width: 18px;
    pointer-events: none;
  }
  .wcp-card--left::after {
    right: -18px;
    background: linear-gradient(to right, rgba(26,139,173,0.35), transparent);
  }
  .wcp-card--right::after {
    left: -18px;
    background: linear-gradient(to left, rgba(26,139,173,0.35), transparent);
  }

  .wcp-card:hover {
    background: rgba(26,139,173,0.08);
    border-color: rgba(26,139,173,0.55);
  }
  .wcp-card:hover .wcp-card__dot {
    box-shadow: 0 0 0 5px rgba(26,139,173,0.18);
  }

  .wcp-card__dot {
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ocean-600);
    transition: box-shadow 0.25s ease;
  }
  .wcp-card__num {
    font-family: var(--font-mono);
    font-size: var(--text-2xs);
    font-weight: 600;
    color: var(--ocean-500);
    flex-shrink: 0;
    letter-spacing: 0.05em;
  }
  .wcp-card__text {
    font-family: var(--font-body);
    font-size: var(--fs-caption);
    font-weight: var(--fw-caption);
    color: var(--off-white);
    line-height: var(--lh-caption);
  }

  /* ─── Centre image frame ─── */
  .wcp-centre {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .wcp-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(26,139,173,0.1);
    animation: wcpRingPulse 4s ease-in-out infinite;
    pointer-events: none;
  }
  .wcp-ring--1 { width: 290px; height: 290px; }
  .wcp-ring--2 { width: 370px; height: 370px; animation-delay: 1.8s; }

  @keyframes wcpRingPulse {
    0%, 100% { transform: scale(1);     opacity: 0.28; }
    50%       { transform: scale(1.025); opacity: 0.55; }
  }

  .wcp-frame {
    position: relative;
    width: 200px;
    height: 300px;
    border-radius: 110px 110px 80px 80px;
    overflow: hidden;
    border: 1px solid rgba(26,139,173,0.45);
    flex-shrink: 0;
  }
  .wcp-frame__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.75) saturate(0.85);
    display: block;
  }
  .wcp-frame__vignette {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 55%, rgba(6,30,47,0.65) 100%);
    pointer-events: none;
  }

  /* Floating badge */
  .wcp-badge {
    position: absolute;
    bottom: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(6,30,47,0.92);
    border: 1px solid rgba(26,139,173,0.5);
    color: var(--ocean-500);
    font-family: var(--font-mono);
    font-size: var(--text-2xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    padding: 4px 12px;
    border-radius: 20px;
    white-space: nowrap;
    z-index: 2;
  }

  /* ─── Footer ─── */
  .wcp-footer {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-top: 26px;
  }

  .wcp-pills {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .wcp-pill {
    display: inline-block;
    height: 4px;
    width: 22px;
    border-radius: 4px;
    background: rgba(26,139,173,0.22);
    transition: width 0.35s ease, background 0.35s ease;
  }
  .wcp-pill--active {
    width: 34px;
    background: var(--ocean-600);
  }

  .wcp-scroll-hint {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-body);
    font-size: var(--text-2xs);
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(26,139,173,0.5);
    margin: 0;
  }
  .wcp-arrow {
    width: 10px;
    height: 14px;
    color: var(--ocean-600);
    animation: wcpArrowBounce 1.6s ease-in-out infinite;
    flex-shrink: 0;
  }
  @keyframes wcpArrowBounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(3px); }
  }

  /* ============================================================
     INDEXING (tibs-style)
     ============================================================ */
  .indexing-tibs__title {
    margin-bottom: var(--space-4);
  }
  
  .indexing-tibs__intro {
    max-width: 56rem;
    margin: 0 0 var(--space-8);
    color: var(--gray-600);
    line-height: 1.65;
    font-size: var(--text-base);
  }
  
  .indexing-tibs__logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-8);
    row-gap: var(--space-6);
  }
  
  .indexing-tibs__logo {
    height: 52px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  
  .indexing-tibs__logo:hover {
    transform: translateY(-2px);
    opacity: 0.88;
  }
  
  /* Homepage indexing: same section shade as Research Areas (.section--gradient-light) + raised panel */
  .indexing-tibs--home .indexing-tibs__container {
    max-width: var(--container-wide);
    margin: 0 auto;
  }
  
  .indexing-tibs--home .indexing-tibs__panel {
    text-align: center;
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: clamp(var(--space-10), 4vw, var(--space-16)) clamp(var(--space-6), 4vw, var(--space-12));
    position: relative;
    overflow: hidden;
  }
  
  .indexing-tibs--home .indexing-tibs__container > .indexing-tibs__panel + .indexing-tibs__panel {
    margin-top: var(--space-10);
  }

  /* Conference & publication pages: left-aligned copy, tighter stack */
  .indexing-tibs--page.indexing-tibs--home .indexing-tibs__panel {
    text-align: left;
  }

  .indexing-tibs--page.indexing-tibs--home .indexing-tibs__container > .indexing-tibs__panel:first-child {
    padding-bottom: var(--space-4);
  }

  .indexing-tibs--page.indexing-tibs--home .indexing-tibs__container > .indexing-tibs__panel + .indexing-tibs__panel {
    margin-top: var(--space-2);
    padding-top: var(--space-4);
  }

  .indexing-tibs--page.indexing-tibs--home .indexing-tibs__intro {
    margin-left: 0;
    margin-right: 0;
    max-width: none;
  }

  .indexing-tibs--page.indexing-tibs--home .indexing-tibs__logos {
    justify-content: flex-start;
  }
  
  .indexing-tibs--home .indexing-tibs__eyebrow {
    display: inline-flex;
    margin-bottom: var(--space-3);
  }
  
  .indexing-tibs--home .indexing-tibs__title {
    margin-top: 0;
    margin-bottom: var(--space-5);
    color: var(--ocean-900);
    position: relative;
  }
  
  .indexing-tibs--home .indexing-tibs__intro {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-10);
    color: var(--gray-600);
    max-width: 50rem;
    font-size: var(--text-lg);
    line-height: 1.7;
    position: relative;
  }
  
  .indexing-tibs--home .indexing-tibs__logos {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    gap: clamp(var(--space-6), 3vw, var(--space-12));
    margin-top: var(--space-2);
    position: relative;
    width: 100%;
  }
  
  .indexing-tibs--home .indexing-tibs__logo-wrap {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    min-width: 0;
  }
  
  .indexing-tibs--home .indexing-tibs__logo-wrap .indexing-tibs__logo {
    flex: 0 1 auto;
    width: auto;
    height: auto;
    max-height: 90px;
    max-width: 160px;
    min-width: 0;
    object-fit: contain;
    object-position: center;
    filter: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }
  
  .indexing-tibs--home .indexing-tibs__logo-wrap:hover .indexing-tibs__logo {
    transform: translateY(-2px);
    opacity: 0.75;
  }
  
  @media (max-width: 900px) {
    .indexing-tibs--home .indexing-tibs__logos {
      justify-content: flex-start;
      overflow-x: auto;
      overflow-y: hidden;
      padding-bottom: var(--space-2);
      margin-inline: calc(-1 * var(--space-2));
      padding-inline: var(--space-2);
      scrollbar-width: thin;
      scrollbar-color: var(--ocean-300) transparent;
      -webkit-overflow-scrolling: touch;
      gap: var(--space-8);
    }
  
    .indexing-tibs--home .indexing-tibs__logos::-webkit-scrollbar {
      height: 6px;
    }
  
    .indexing-tibs--home .indexing-tibs__logos::-webkit-scrollbar-thumb {
      background: var(--ocean-300);
      border-radius: var(--radius-full);
    }
  
    .indexing-tibs--home .indexing-tibs__logo-wrap .indexing-tibs__logo {
      flex: 0 0 auto;
      max-height: 70px;
      max-width: 130px;
    }
  }
  
  @media (max-width: 768px) {
    .indexing-tibs--home .indexing-tibs__panel {
      padding: var(--space-8) var(--space-5);
      border-radius: var(--radius-md);
    }
    .indexing-tibs--page.indexing-tibs--home .indexing-tibs__container > .indexing-tibs__panel:first-child {
      padding-bottom: var(--space-3);
    }
    .indexing-tibs--page.indexing-tibs--home .indexing-tibs__container > .indexing-tibs__panel + .indexing-tibs__panel {
      padding-top: var(--space-3);
    }
    .indexing-tibs--home .indexing-tibs__intro {
      font-size: var(--text-base);
      margin-bottom: var(--space-8);
    }
  }
  
  /* ============================================================
     PARTNERS
     ============================================================ */
  .partners-section {
    padding: var(--section-y) 0;
  }
  
  .partners-category {
    margin-bottom: var(--space-10);
  }
  
  .partners-category__label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--ocean-600);
    margin-bottom: var(--space-4);
    font-weight: 600;
  }
  
  .partners-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
  }
  
  .partner-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6) var(--space-8);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    font-weight: 600;
    color: var(--gray-700);
    text-align: center;
  }
  
  .partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  
  /* ============================================================
     PARTICIPANTS (Who Can Participate)
     ============================================================ */
  .participants-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
  
  .participant-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: transform var(--transition-spring), border-color var(--transition-base), background var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  
  .participant-card:hover {
    transform: translateY(-8px);
    border-color: var(--ocean-500);
    background: var(--glass-bg-hover);
  }
  
  .participant-card__icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-3);
    border-radius: 50%;
    border: 2px solid var(--glass-border);
  }
  
  .participant-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--white);
  }
  
  /* ============================================================
     CONFERENCE TRACKS
     ============================================================ */
  .tracks-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
  
  .track-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  }
  
  .track-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: linear-gradient(160deg, transparent, var(--ocean-500), transparent);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
  }
  
  .track-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-dark);
  }
  
  .track-card:hover::before {
    opacity: 1;
  }
  
  .track-card__number {
    font-family: var(--font-mono);
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--ocean-500);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--space-3);
  }
  
  .track-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-4);
  }
  
  .track-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
  }
  
  .track-card__tag {
    background: rgba(91,191,214,0.12);
    color: var(--ocean-400);
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-weight: 500;
  }
  
  .track-card__link {
    color: var(--ocean-400);
    font-size: var(--text-sm);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: color var(--transition-fast), gap var(--transition-fast);
    position: relative;
    z-index: 1;
  }
  
  .track-card__link:hover {
    color: var(--white);
    gap: var(--space-3);
  }
  
  /* ============================================================
     TRACK DETAIL MODAL (conference.php — design tokens only)
     ============================================================ */
  .track-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: var(--gradient-overlay);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    backdrop-filter: blur(10px) saturate(120%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      opacity var(--transition-base) var(--ease-out),
      visibility var(--transition-base) var(--ease-out);
  }

  .track-modal.track-modal--open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .track-modal__card {
    position: relative;
    width: 100%;
    max-width: 42rem;
    max-height: min(88vh, 52rem);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--ocean-200);
    box-shadow:
      var(--shadow-xl),
      0 0 0 1px rgba(91, 191, 214, 0.12),
      0 24px 80px rgba(6, 30, 47, 0.22);
    transform: scale(0.96) translateY(0.75rem);
    opacity: 0;
    transition:
      transform var(--transition-spring) var(--ease-spring),
      opacity var(--transition-base) var(--ease-out);
  }

  .track-modal.track-modal--open .track-modal__card {
    transform: scale(1) translateY(0);
    opacity: 1;
  }

  @keyframes track-modal-accent {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
  }

  .track-modal__accent {
    flex-shrink: 0;
    height: 5px;
    background: linear-gradient(
      90deg,
      var(--ocean-600),
      var(--ocean-400),
      var(--ocean-500),
      var(--ocean-600)
    );
    background-size: 200% 100%;
    animation: track-modal-accent 4s var(--ease-inout) infinite;
  }

  .track-modal__header {
    flex-shrink: 0;
    position: relative;
    padding: var(--space-8) var(--space-8) var(--space-6);
    background: var(--gradient-dark);
  }

  .track-modal__header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
      ellipse 90% 80% at 100% 0%,
      rgba(26, 139, 173, 0.22),
      transparent 55%
    );
    pointer-events: none;
  }

  .track-modal__badge {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ocean-900);
    background: linear-gradient(135deg, var(--ocean-400), var(--ocean-300));
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
  }

  .track-modal__title {
    position: relative;
    z-index: 1;
    margin: 0 0 var(--space-4);
    padding-right: 3rem;
    font-family: var(--font-heading);
    font-size: clamp(var(--text-xl), 3.2vw, var(--text-3xl));
    font-weight: 600;
    line-height: 1.28;
    color: var(--white);
    letter-spacing: -0.025em;
  }

  .track-modal__tags {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .track-modal__close {
    position: absolute;
    top: var(--space-5);
    right: var(--space-5);
    z-index: 2;
    width: 2.75rem;
    height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-md);
    background: var(--glass-pill-bg);
    color: var(--white);
    font-size: var(--text-lg);
    cursor: pointer;
    transition:
      background var(--transition-fast),
      transform var(--transition-fast);
  }

  .track-modal__close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
  }

  .track-modal__body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6) var(--space-8);
    background: linear-gradient(180deg, var(--ocean-50) 0%, var(--white) 38%);
    -webkit-overflow-scrolling: touch;
  }

  .track-modal__body-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0 0 var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px dashed var(--ocean-200);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--ocean-700);
  }

  .track-modal__body-label i {
    color: var(--ocean-600);
  }

  .track-modal__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin: 0;
    padding: 0;
    list-style: none;
  }

  @keyframes track-modal-row-in {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .track-modal .tm-li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: linear-gradient(135deg, var(--ocean-50), var(--white));
    border: 1px solid var(--ocean-100);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    transition:
      border-color var(--transition-fast),
      box-shadow var(--transition-fast),
      transform var(--transition-fast);
    animation: track-modal-row-in 0.45s var(--ease-out) backwards;
    list-style: none;
  }

  .track-modal .tm-li:hover {
    border-color: var(--ocean-200);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
  }

  .track-modal .tm-num {
    flex-shrink: 0;
    width: 1.75rem;
    height: 1.75rem;
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(145deg, var(--ocean-600), var(--ocean-500));
    box-shadow: var(--shadow-teal);
  }

  .track-modal .tm-icon {
    flex-shrink: 0;
    width: 2.25rem;
    height: 2.25rem;
    margin-top: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--ocean-600);
    background: rgba(91, 191, 214, 0.12);
    border: 1px solid rgba(91, 191, 214, 0.28);
  }

  .track-modal .tm-body {
    flex: 1;
    min-width: 0;
  }

  .track-modal .tm-title {
    margin: 0 0 var(--space-1);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.45;
    color: var(--ocean-900);
  }

  .track-modal .tm-desc {
    margin: 0;
    font-family: var(--font-body);
    font-size: var(--text-xs);
    line-height: 1.5;
    color: var(--gray-600);
  }

  .track-modal .tm-tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--ocean-200);
    background: rgba(26, 139, 173, 0.2);
    border: 1px solid rgba(142, 212, 228, 0.35);
    border-radius: var(--radius-full);
  }

  .track-modal__footer {
    flex-shrink: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-8);
    background: linear-gradient(180deg, var(--ocean-50), var(--white));
    border-top: 1px solid var(--ocean-100);
  }

  .track-modal__btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--ocean-600), var(--ocean-500));
    box-shadow: var(--shadow-teal);
    transition:
      transform var(--transition-fast),
      box-shadow var(--transition-fast),
      filter var(--transition-fast);
  }

  .track-modal__btn-primary:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
  }

  .track-modal__btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--ocean-600);
    cursor: pointer;
    border: 2px solid var(--ocean-200);
    border-radius: var(--radius-full);
    background: transparent;
    transition:
      background var(--transition-fast),
      border-color var(--transition-fast),
      color var(--transition-fast);
  }

  .track-modal__btn-ghost:hover {
    background: var(--ocean-50);
    border-color: var(--ocean-300);
    color: var(--ocean-700);
  }

  .track-modal__body::-webkit-scrollbar {
    width: 6px;
  }

  .track-modal__body::-webkit-scrollbar-track {
    background: var(--ocean-50);
    border-radius: var(--radius-sm);
  }

  .track-modal__body::-webkit-scrollbar-thumb {
    background: var(--ocean-300);
    border-radius: var(--radius-sm);
  }

  @media (max-width: 640px) {
    .track-modal {
      align-items: flex-end;
      padding: 0;
    }

    .track-modal__card {
      max-height: 92vh;
      max-width: 100%;
      border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }

    .track-modal__header {
      padding: var(--space-6) var(--space-5) var(--space-5);
    }

    .track-modal__body {
      padding: var(--space-5);
    }

    .track-modal__footer {
      flex-direction: column;
      padding: var(--space-4) var(--space-5) var(--space-6);
    }

    .track-modal__footer .track-modal__btn-primary,
    .track-modal__footer .track-modal__btn-ghost {
      width: 100%;
      justify-content: center;
    }
  }

  /* ============================================================
     TIMELINE
     ============================================================ */
  .timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
  }
  
  .timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--ocean-500), var(--ocean-600));
    transform: translateX(-50%);
  }
  
  .timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--space-12);
    position: relative;
  }
  
  .timeline-item:nth-child(odd) {
    justify-content: flex-start;
    padding-right: calc(50% + var(--space-10));
  }
  
  .timeline-item:nth-child(even) {
    justify-content: flex-end;
    padding-left: calc(50% + var(--space-10));
  }
  
  .timeline-item__dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--ocean-600);
    border: 4px solid var(--ocean-100);
    z-index: var(--z-base);
  }
  
  .timeline-item__card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-card);
    width: 100%;
  }
  
  .timeline-item__date {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--ocean-600);
    font-weight: 600;
    margin-bottom: var(--space-1);
  }
  
  .timeline-item__title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: var(--space-2);
  }
  
  .timeline-item__desc {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin-bottom: 0;
  }
  
  /* ============================================================
     PUBLICATIONS TABS
     ============================================================ */
  .tabs-container {
    margin: var(--space-8) 0;
  }
  
  .tabs-nav {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
    border-bottom: 2px solid var(--ocean-200);
    padding-bottom: var(--space-1);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .tabs-nav__btn {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    font-weight: var(--fw-label);
    letter-spacing: var(--ls-label);
    line-height: var(--lh-label);
    color: var(--gray-500);
    padding: var(--space-3) var(--space-6);
    border: none;
    background: none;
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    transition: color var(--transition-fast);
  }
  
  .tabs-nav__btn::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--ocean-600);
    border-radius: var(--radius-full) var(--radius-full) 0 0;
    transform: scaleX(0);
    transition: transform var(--transition-base);
  }
  
  .tabs-nav__btn.active {
    color: var(--ocean-600);
  }
  
  .tabs-nav__btn.active::after {
    transform: scaleX(1);
  }
  
  .tabs-nav__btn:hover {
    color: var(--ocean-600);
  }
  
  .tab-panel {
    display: none;
    animation: fadeIn 0.4s var(--ease-out);
  }
  
  .tab-panel.active {
    display: block;
  }
  
  .publication-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
  }
  
  .publication-card {
    background: var(--ocean-900);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  
  .publication-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-dark);
  }
  
  .publication-card__cover {
    width: 120px;
    height: 160px;
    margin: 0 auto var(--space-4);
    background: var(--gradient-card-1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.4);
    font-weight: 600;
  }
  
  .publication-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-3);
  }
  
  .publication-card__link {
    font-size: var(--text-xs);
    color: var(--ocean-400);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
  }
  
  .publication-card__link:hover {
    color: var(--ocean-300);
  }
  
  /* ============================================================
     INDEXING MARQUEE
     ============================================================ */
  .marquee-section {
    padding: var(--space-10) 0;
    overflow: hidden;
    border-top: 1px solid var(--ocean-200);
    border-bottom: 1px solid var(--ocean-200);
  }
  
  .marquee-track {
    display: flex;
    animation: marquee 30s linear infinite;
    width: max-content;
  }
  
  .marquee-track:hover {
    animation-play-state: paused;
  }
  
  .marquee-item {
    flex-shrink: 0;
    padding: 0 var(--space-10);
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-400);
    white-space: nowrap;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }
  
  .marquee-item:hover {
    color: var(--ocean-600);
  }
  
  .marquee-item__sep {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gray-300);
    flex-shrink: 0;
  }
  
  /* ============================================================
     SPOTLIGHT / CARDS
     ============================================================ */
  .spotlight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
  
  .spotlight-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    min-height: 360px;
    display: flex;
    align-items: flex-end;
    cursor: pointer;
    transition: transform var(--transition-base);
  }
  
  .spotlight-card:hover {
    transform: scale(1.02);
  }
  
  .spotlight-card__bg {
    position: absolute;
    inset: 0;
    transition: transform var(--transition-slow);
  }
  
  .spotlight-card:hover .spotlight-card__bg {
    transform: scale(1.08);
  }
  
  .spotlight-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(6,30,47,0.9) 100%);
  }
  
  .spotlight-card__content {
    position: relative;
    z-index: 1;
    padding: var(--space-8);
    width: 100%;
  }
  
  .spotlight-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-2);
  }
  
  .spotlight-card__desc {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.6);
    margin-bottom: 0;
  }
  
  /* ============================================================
     SPEAKERS
     ============================================================ */
  .speakers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
  
  .speaker-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  
  .speaker-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
  }
  
  .speaker-card__image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--gradient-card-1);
  }
  
  .speaker-card__image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-5xl);
    color: rgba(255,255,255,0.2);
    background: var(--gradient-card-1);
  }
  
  .speaker-card__body {
    padding: var(--space-5);
  }
  
  .speaker-card__name {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: var(--space-1);
  }
  
  .speaker-card__role {
    font-size: var(--text-sm);
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 0;
  }
  
  .speaker-card__accent {
    width: 40px;
    height: 3px;
    background: var(--ocean-500);
    border-radius: var(--radius-full);
    margin: var(--space-3) 0;
  }
  
  /* ============================================================
     COMMITTEES
     ============================================================ */
  .committee-chairs__heading,
  .heading-h4-block {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    font-weight: var(--fw-h4);
    line-height: var(--lh-h4);
    letter-spacing: var(--ls-h4);
    color: var(--ocean-900);
    margin-bottom: var(--space-4);
  }

  .committee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-6);
  }
  
  .committee-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  
  .committee-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  
  .committee-card__avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-card-1);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    color: rgba(255,255,255,0.4);
  }
  
  .committee-card__info {
    flex: 1;
  }
  
  .committee-card__name {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: var(--space-1);
  }
  
  .committee-card__role {
    font-size: var(--text-sm);
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 0;
  }
  
  .committee-card__flag {
    font-size: var(--text-xl);
    flex-shrink: 0;
  }
  
  /* ============================================================
     REGISTRATION
     ============================================================ */
  .fee-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: var(--space-6) 0;
    border-radius: var(--radius-lg);
    border: 1px solid var(--ocean-200);
  }
  
  .fee-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
  }
  
  .fee-table thead {
    background: var(--ocean-900);
  }
  
  .fee-table th {
    padding: var(--space-4) var(--space-6);
    text-align: left;
    color: var(--white);
    font-weight: 600;
    font-size: var(--text-sm);
    white-space: nowrap;
  }
  
  .fee-table td {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--ocean-100);
    color: var(--gray-800);
  }
  
  .fee-table tbody tr:hover {
    background: var(--ocean-50);
  }
  
  .fee-table .fee-amount {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--ocean-600);
    font-size: var(--text-base);
  }
  
  /* Important dates (conference.php #dates): readable on dark section */
  #dates .fee-table-wrapper {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--glass-border);
  }
  
  #dates .fee-table tbody tr {
    background: transparent;
  }
  
  #dates .fee-table td {
    color: rgba(255, 255, 255, 0.92);
    border-bottom-color: rgba(255, 255, 255, 0.12);
  }
  
  #dates .fee-table .fee-amount {
    color: #fff;
  }
  
  #dates .fee-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.08);
  }
  
  /* ============================================================
     ACCORDION
     ============================================================ */
  .accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .accordion-item {
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--glass-bg);
    transition: border-color var(--transition-base);
  }
  
  .accordion-item.open {
    border-color: var(--ocean-500);
  }
  
  .accordion-item__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    cursor: pointer;
    transition: background var(--transition-fast);
    gap: var(--space-4);
  }
  
  .accordion-item__header:hover {
    background: var(--glass-bg-hover);
  }
  
  .accordion-item__number {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--ocean-500);
    flex-shrink: 0;
    min-width: 36px;
  }
  
  .accordion-item__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--white);
    flex: 1;
  }
  
  .accordion-item__icon {
    color: var(--ocean-400);
    font-size: var(--text-sm);
    transition: transform var(--transition-base);
    flex-shrink: 0;
  }
  
  .accordion-item.open .accordion-item__icon {
    transform: rotate(180deg);
  }
  
  .accordion-item__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s var(--ease-inout);
  }
  
  .accordion-item__content {
    padding: 0 var(--space-6) var(--space-6);
    padding-left: calc(var(--space-6) + 36px + var(--space-4));
  }
  
  .accordion-item__content ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-2);
  }
  
  .accordion-item__content li {
    color: rgba(255,255,255,0.55);
    font-size: var(--text-sm);
    padding: var(--space-1) 0;
    padding-left: var(--space-5);
    position: relative;
  }
  
  .accordion-item__content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ocean-500);
    opacity: 0.5;
  }
  
  /* ============================================================
     FORMS
     ============================================================ */
  .form-group {
    margin-bottom: var(--space-5);
  }
  
  .form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
  }
  
  .form-group input,
  .form-group textarea,
  .form-group select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--off-white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    color: var(--gray-800);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
  }
  
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    border-color: var(--ocean-600);
    box-shadow: 0 0 0 4px rgba(26,139,173,0.12);
  }
  
  .form-group input::placeholder,
  .form-group textarea::placeholder {
    color: var(--gray-400);
  }
  
  .form-group textarea {
    resize: vertical;
    min-height: 120px;
  }
  
  .form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%234A7A96'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: var(--space-10);
  }
  
  .btn-submit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--ocean-600);
    color: var(--white);
    font-weight: 600;
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: var(--shadow-teal);
  }
  
  .btn-submit:hover {
    background: var(--ocean-500);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(26,139,173,0.45);
  }
  
  /* ============================================================
     ALERTS
     ============================================================ */
  .alert {
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-top: var(--space-4);
  }
  
  .alert-success {
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.3);
    color: #065f46;
  }
  
  .alert-error {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    color: #991b1b;
  }
  
  .alert-info {
    background: rgba(26,139,173,0.1);
    border: 1px solid rgba(26,139,173,0.3);
    color: var(--ocean-700);
  }
  
  /* ============================================================
     CALLOUT CARDS
     ============================================================ */
  .callout {
    background: var(--ocean-50);
    border-left: 4px solid var(--ocean-600);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--space-5) var(--space-6);
    margin: var(--space-4) 0;
  }
  
  .callout--warning {
    background: #fffbeb;
    border-left-color: #f59e0b;
  }
  
  .callout p {
    margin-bottom: 0;
    font-size: var(--text-sm);
    color: var(--gray-700);
  }
  
  /* ============================================================
     GALLERY
     ============================================================ */
  .gallery-filters {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
  }
  
  .gallery-filter-btn {
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-600);
    border: 2px solid var(--gray-200);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
  }
  
  .gallery-filter-btn.active,
  .gallery-filter-btn:hover {
    background: var(--ocean-600);
    color: var(--white);
    border-color: var(--ocean-600);
  }
  
  .gallery-grid {
    columns: 4;
    column-gap: var(--space-4);
  }
  
  .gallery-item {
    break-inside: avoid;
    margin-bottom: var(--space-4);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: transform var(--transition-base);
  }
  
  .gallery-item:hover {
    transform: scale(1.02);
  }
  
  .gallery-item__image {
    width: 100%;
    display: block;
    min-height: 200px;
  }
  
  .gallery-item__overlay {
    position: absolute;
    inset: 0;
    background: rgba(6,30,47,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
  }
  
  .gallery-item:hover .gallery-item__overlay {
    opacity: 1;
  }
  
  .gallery-item__overlay-text {
    color: var(--white);
    font-weight: 600;
    font-size: var(--text-base);
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }
  
  /* ============================================================
     VENUE
     ============================================================ */
  .venue-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  
  .venue-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
  
  .venue-feature-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  
  .venue-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  
  .venue-feature-card__icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
  }
  
  .venue-feature-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: 0;
  }
  
  .mode-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  
  .mode-card {
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid var(--ocean-200);
  }
  
  .mode-card--physical {
    background: var(--ocean-900);
    border-color: var(--glass-border);
  }
  
  .mode-card--virtual {
    background: var(--white);
  }
  
  .mode-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
  }
  
  .mode-card--physical .mode-card__title {
    color: var(--white);
  }
  
  .mode-card--virtual .mode-card__title {
    color: var(--ocean-900);
  }
  
  .mode-card__date {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
  }
  
  .mode-card--physical .mode-card__date {
    color: var(--ocean-500);
  }
  
  .mode-card--virtual .mode-card__date {
    color: var(--ocean-600);
  }
  
  .mode-card__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .mode-card__list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-base);
  }
  
  .mode-card--physical .mode-card__list li {
    color: rgba(255,255,255,0.7);
  }
  
  .mode-card--virtual .mode-card__list li {
    color: var(--gray-700);
  }
  
  .mode-card__list li i {
    color: var(--ocean-500);
    font-size: var(--text-sm);
    flex-shrink: 0;
  }
  
  .transport-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
  
  .transport-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  
  .transport-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  
  .transport-card__icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
  }
  
  .transport-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: var(--space-3);
  }
  
  .transport-card__text {
    font-size: var(--text-sm);
    color: var(--gray-600);
    line-height: 1.7;
  }
  
  .accommodation-tier {
    margin-bottom: var(--space-10);
  }
  
  .accommodation-tier__title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--ocean-900);
  }
  
  .accommodation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }
  
  .accommodation-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  
  .accommodation-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  
  .accommodation-card__name {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: var(--space-1);
  }
  
  .accommodation-card__desc {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin-bottom: 0;
  }
  
  .attractions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
  
  .attraction-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    min-height: 280px;
    display: flex;
    align-items: flex-end;
    transition: transform var(--transition-base);
    cursor: pointer;
  }
  
  .attraction-card:hover {
    transform: scale(1.02);
  }
  
  .attraction-card__bg {
    position: absolute;
    inset: 0;
    transition: transform var(--transition-slow);
  }
  
  .attraction-card:hover .attraction-card__bg {
    transform: scale(1.08);
  }
  
  .attraction-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(6,30,47,0.85) 100%);
  }
  
  .attraction-card__content {
    position: relative;
    z-index: 1;
    padding: var(--space-6);
    width: 100%;
  }
  
  .attraction-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-1);
  }
  
  .attraction-card__desc {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.6);
    margin-bottom: 0;
  }
  
  .weather-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
  
  .weather-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: transform var(--transition-base);
  }
  
  .weather-card:hover {
    transform: translateY(-4px);
  }
  
  .weather-card__icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-2);
  }
  
  .weather-card__value {
    font-family: var(--font-mono);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--ocean-900);
    margin-bottom: var(--space-1);
  }
  
  .weather-card__label {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-bottom: 0;
  }
  
  .map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin: var(--space-8) 0;
  }
  
  .map-container iframe {
    display: block;
    border: none;
  }
  
  /* ============================================================
     CONTACT PAGE
     ============================================================ */
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: var(--space-10);
    align-items: start;
  }
  
  .contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }
  
  .contact-detail {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
  }
  
  .contact-detail__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--ocean-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ocean-600);
    flex-shrink: 0;
  }
  
  .contact-detail__label {
    font-size: var(--text-xs);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: var(--space-1);
  }
  
  .contact-detail__value {
    font-size: var(--text-base);
    color: var(--gray-800);
    font-weight: 500;
  }
  
  .contact-detail__value a {
    color: var(--ocean-600);
  }
  
  /* ============================================================
     PAGE HERO (generic for inner pages)
     ============================================================ */
  .page-hero {
    background: var(--gradient-hero);
    background-image: url('https://images.unsplash.com/photo-1770553129485-99739edb534f?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    padding: calc(var(--space-32) + 80px) var(--space-6) var(--space-16);
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  
  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(6, 30, 47, 0.72);
    z-index: 0;
  }
  
  .page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero-glow);
    z-index: 0;
  }
  
  .page-hero__content {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
  }
  
  .page-venue .page-hero {
    background-image: url('https://images.unsplash.com/photo-1744604030401-b24c5975a574?auto=format&fit=crop&w=1920&q=80');
  }
  
  .page-speakers .page-hero {
    background-image: url('https://images.unsplash.com/photo-1582129631575-ae22ce0be11f?auto=format&fit=crop&w=1920&q=80');
  }
  
  .page-gallery .page-hero {
    background-image: url('https://images.unsplash.com/photo-1570527141186-e391a3914c42?auto=format&fit=crop&w=1920&q=80');
  }
  
  .page-contact .page-hero {
    background-image: url('https://images.unsplash.com/photo-1535724442043-265a1d19360a?auto=format&fit=crop&w=1920&q=80');
  }
  
  .page-hero__title {
    font-family: var(--font-banner);
    font-style: normal;
    font-size: clamp(var(--text-5xl), 5.75vw, var(--text-7xl));
    font-weight: 600;
    color: var(--white);
    line-height: 1.08;
    letter-spacing: -0.035em;
    font-feature-settings: "kern" 1, "liga" 1;
    margin-bottom: var(--space-4);
  }
  
  .page-hero__subtitle {
    font-family: var(--font-body);
    font-size: var(--fs-body-lg);
    font-weight: var(--fw-body-lg);
    line-height: var(--lh-body-lg);
    letter-spacing: var(--ls-body-lg);
    color: rgba(255,255,255,0.6);
    max-width: 680px;
    margin: 0 auto;
  }
  
  /* ============================================================
     CONFERENCE SUB-NAV
     ============================================================ */

  /* Offset anchor scroll targets so they aren't hidden under navbar + sub-nav */
  #about, #cfp, #dates, #guidelines, #tracks, #publication, #special, #links {
    scroll-margin-top: 130px;
  }

  .sub-nav {
    position: sticky;
    top: 72px;
    z-index: calc(var(--z-nav) - 1);
    background: var(--ocean-900);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-3) 0;
  }
  
  .sub-nav__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    gap: var(--space-1);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  
  .sub-nav__inner::-webkit-scrollbar {
    display: none;
  }
  
  .sub-nav__link {
    white-space: nowrap;
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--fs-nav);
    font-weight: var(--fw-nav);
    letter-spacing: var(--ls-nav);
    line-height: var(--lh-nav);
    color: rgba(255,255,255,0.6);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    flex-shrink: 0;
  }
  
  .sub-nav__link:hover {
    color: var(--white);
    background: var(--glass-bg-hover);
  }
  
  .sub-nav__link.active {
    color: var(--white);
    background: var(--ocean-600);
  }
  
  /* ============================================================
     IMPORTANT LINKS / DOWNLOAD TABLE
     ============================================================ */
  .download-table {
    width: 100%;
    border-collapse: collapse;
  }
  
  .download-table th {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--ocean-200);
  }
  
  .download-table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--ocean-100);
    font-size: var(--text-sm);
    color: var(--gray-700);
  }
  
  .download-table tbody tr:hover {
    background: var(--ocean-50);
  }
  
  .download-table .download-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--ocean-600);
    font-weight: 600;
    transition: color var(--transition-fast);
  }
  
  .download-table .download-btn:hover {
    color: var(--ocean-700);
  }
  
  /* ============================================================
     COMING SOON
     ============================================================ */
  .coming-soon {
    text-align: center;
    padding: var(--space-20) var(--space-6);
  }
  
  .coming-soon__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(26,139,173,0.1);
    color: var(--ocean-600);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-6);
  }
  
  .coming-soon__title {
    font-family: var(--font-heading);
    font-size: clamp(var(--text-4xl), 4.75vw, var(--text-6xl));
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: var(--space-4);
  }
  
  .coming-soon__text {
    font-size: var(--text-lg);
    color: var(--gray-600);
    max-width: 500px;
    margin: 0 auto var(--space-8);
  }
  
  /* ============================================================
     404 PAGE
     ============================================================ */
  .error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    background-image: url('https://images.unsplash.com/photo-1506545810652-ee293d6513a0?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    text-align: center;
    padding: var(--space-8);
    position: relative;
  }
  
  .error-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(6, 30, 47, 0.75);
  }
  
  .error-page > div {
    position: relative;
    z-index: 1;
  }
  
  .error-page__code {
    font-family: var(--font-mono);
    font-size: clamp(var(--text-8xl), 15vw, 12rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--ocean-500), var(--ocean-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-4);
  }
  
  .error-page__title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-4);
  }
  
  .error-page__text {
    color: rgba(255,255,255,0.5);
    font-size: var(--text-lg);
    max-width: 500px;
    margin: 0 auto var(--space-8);
  }
  
  /* ============================================================
     FOOTER
     ============================================================ */
  .footer {
    background: var(--ocean-900);
    color: rgba(255,255,255,0.55);
    padding-top: var(--section-y);
  }
  
  .footer__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
  }
  
  .footer__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1.2fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--glass-border);
  }
  
  .footer__logo {
    margin-bottom: var(--space-4);
  }
  
  .footer__logo-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
  }
  
  .footer__logo-img {
    width: 104px;
    height: 104px;
    display: block;
    object-fit: contain;
  }
  
  .footer__tagline {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.45);
    line-height: 1.7;
    margin-bottom: var(--space-6);
  }
  
  .footer__social {
    display: flex;
    gap: var(--space-3);
  }
  
  .footer__social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    transition: all var(--transition-fast);
  }
  
  .footer__social-link:hover {
    background: var(--ocean-600);
    border-color: var(--ocean-600);
    color: var(--white);
  }
  
  .footer__heading {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--white);
    margin-bottom: var(--space-6);
  }
  
  .footer__links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }
  
  .footer__link-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .footer__link {
    color: rgba(255,255,255,0.5);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
  }
  
  .footer__link:hover {
    color: var(--ocean-400);
  }
  
  .footer__contact-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-sm);
  }
  
  .footer__contact-item i {
    color: var(--ocean-500);
    margin-top: 2px;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
  }
  
  .footer__contact-item a {
    color: rgba(255,255,255,0.6);
    transition: color var(--transition-fast);
  }
  
  .footer__contact-item a:hover {
    color: var(--ocean-400);
  }
  
  .footer__newsletter {
    margin-top: var(--space-6);
  }
  
  .footer__newsletter-title {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    color: rgba(255,255,255,0.7);
    margin-bottom: var(--space-3);
  }
  
  .footer__newsletter-form {
    display: flex;
    gap: var(--space-2);
  }
  
  .footer__newsletter-input {
    flex: 1;
    padding: var(--space-2) var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: var(--text-sm);
    outline: none;
    transition: border-color var(--transition-fast);
  }
  
  .footer__newsletter-input:focus {
    border-color: var(--ocean-500);
  }
  
  .footer__newsletter-input::placeholder {
    color: rgba(255,255,255,0.3);
  }
  
  .footer__newsletter-btn {
    background: var(--ocean-600);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: 600;
    white-space: nowrap;
    transition: background var(--transition-fast);
  }
  
  .footer__newsletter-btn:hover {
    background: var(--ocean-500);
  }
  
  /* Bottom bar */
  .footer__bottom {
    padding: var(--space-6) 0;
  }
  
  .footer__bottom-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
  }
  
  .footer__bottom-left p,
  .footer__bottom-right p {
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.35);
    margin: 0;
  }
  
  .footer__bottom-link {
    color: rgba(255,255,255,0.45);
    transition: color var(--transition-fast);
  }
  
  .footer__bottom-link:hover {
    color: var(--ocean-400);
  }
  
  .footer__quote {
    font-family: var(--font-display);
    font-style: italic;
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.25);
    margin: 0;
    text-align: center;
  }
  
  /* ============================================================
     STICKY BOTTOM BAR
     ============================================================ */
  .sticky-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: calc(var(--z-nav) - 2);
    display: flex;
    gap: 1px;
    background: var(--glass-border);
    transition: transform var(--transition-base);
  }
  
  .sticky-bottom-bar--hidden {
    transform: translateY(100%);
  }
  
  .sticky-bottom-bar__btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    transition: background var(--transition-fast);
    text-decoration: none;
  }
  
  .sticky-bottom-bar__btn--dates {
    background: var(--ocean-800);
    color: var(--white);
  }
  
  .sticky-bottom-bar__btn--dates:hover {
    background: var(--ocean-700);
    color: var(--white);
  }
  
  .sticky-bottom-bar__btn--submit {
    background: var(--ocean-600);
    color: var(--white);
  }
  
  .sticky-bottom-bar__btn--submit:hover {
    background: var(--ocean-500);
    color: var(--white);
  }
  
  /* ============================================================
     BACK TO TOP
     ============================================================ */
  .back-to-top {
    position: fixed;
    bottom: 60px;
    right: var(--space-6);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--ocean-600);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-teal);
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), background var(--transition-fast);
  }
  
  .back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .back-to-top:hover {
    background: var(--ocean-500);
    transform: translateY(-3px);
  }
  
  /* ============================================================
     SWIPER OVERRIDES
     ============================================================ */
  .swiper {
    padding-bottom: var(--space-12);
  }
  
  .swiper-pagination-bullet {
    background: var(--ocean-500);
    opacity: 0.3;
  }
  
  .swiper-pagination-bullet-active {
    opacity: 1;
    background: var(--ocean-500);
  }
  
  .swiper-button-next,
  .swiper-button-prev {
    color: var(--ocean-500);
  }
  
  /* ============================================================
     AGENDA
     ============================================================ */
  .agenda-day {
    margin-bottom: var(--space-8);
  }
  
  .agenda-slot {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--ocean-200);
  }
  
  .agenda-slot__time {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--ocean-600);
    font-weight: 600;
    min-width: 100px;
    flex-shrink: 0;
  }
  
  .agenda-slot__content {
    flex: 1;
  }
  
  .agenda-slot__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: var(--space-1);
  }
  
  .agenda-slot__desc {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin-bottom: 0;
  }
  
  /* ============================================================
     JOIN US
     ============================================================ */
  .benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-12);
  }
  
  .benefit-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  
  .benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }
  
  .benefit-card__icon {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
  }
  
  .benefit-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: 0;
  }
  
  /* ============================================================
     POLICY & TERMS PAGES
     ============================================================ */
  .policy-section {
    max-width: var(--container-sm);
    margin: 0 auto;
  }
  
  .policy-section h2 {
    font-size: var(--text-2xl);
    color: var(--ocean-900);
    margin-bottom: var(--space-4);
    padding-top: var(--space-8);
  }
  
  .policy-section p {
    color: var(--gray-700);
    line-height: 1.8;
  }
  
  /* ============================================================
     TOAST NOTIFICATION
     ============================================================ */
  .toast {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    transform: translateX(120%);
    transition: transform var(--transition-spring);
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }
  
  .toast.show {
    transform: translateX(0);
  }
  
  .toast--success {
    border-left: 4px solid #10b981;
  }
  
  .toast--error {
    border-left: 4px solid #ef4444;
  }
  
  .toast__icon {
    font-size: var(--text-xl);
    flex-shrink: 0;
  }
  
  .toast__message {
    font-size: var(--text-sm);
    color: var(--gray-800);
    margin: 0;
  }
  
  .toast__close {
    color: var(--gray-400);
    padding: var(--space-1);
    flex-shrink: 0;
    margin-left: auto;
  }
  
  /* ============================================================
     HOMEPAGE — HERO (home-specific)
     ============================================================ */
  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  
  /* Unified section titles (homepage light sections) */
  .section-heading-unified {
    font-family: var(--font-heading);
    font-size: calc(clamp(var(--text-4xl), 4.75vw, var(--text-6xl)) - 9px);
    font-weight: 600;
    line-height: 1.12;
    letter-spacing: -0.03em;
    font-feature-settings: "kern" 1, "liga" 1;
    color: var(--ocean-900);
  }
  
  .hero-home {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--space-32) var(--space-6) var(--space-24);
    background: #0a1628;
  }
  
  .hero-home__media {
    position: absolute;
    inset: 0;
    z-index: 0;
  }
  
  .hero-home-swiper.swiper {
    width: 100%;
    height: 100%;
    min-height: 100%;
    padding-bottom: 0;
  }
  
  .hero-home-swiper .swiper-wrapper {
    min-height: 100%;
  }
  
  .hero-home-swiper .swiper-slide {
    position: relative;
    height: 100%;
    min-height: 70vh;
  }
  
  .hero-home__slide {
    margin: 0;
  }
  
  .hero-home__slide-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  
  .hero-home__scrim {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.5);
    pointer-events: none;
  }
  
  .hero-home-swiper .swiper-pagination {
    bottom: max(24px, env(safe-area-inset-bottom)) !important;
    z-index: 3;
  }
  
  .hero-home-swiper .swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.45);
    opacity: 1;
  }
  
  .hero-home-swiper .swiper-pagination-bullet-active {
    background: var(--white);
    opacity: 1;
  }
  
  .hero-home-swiper .swiper-button-prev,
  .hero-home-swiper .swiper-button-next {
    z-index: 3;
    color: rgba(255, 255, 255, 0.92);
    transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
  }
  
  .hero-home-swiper .swiper-button-prev::after,
  .hero-home-swiper .swiper-button-next::after {
    font-size: var(--text-xl);
    font-weight: 700;
  }
  
  .hero-home-swiper .swiper-button-prev:hover,
  .hero-home-swiper .swiper-button-next:hover {
    color: var(--white);
    transform: scale(1.05);
  }
  
  .hero-home__inner {
    position: relative;
    z-index: 2;
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
  }
  
  .hero-home__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--glass-pill-bg);
    border: 1px solid var(--glass-pill-border);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-5);
    margin-bottom: var(--space-8);
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  
  .hero-home__badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ocean-500);
    animation: pulseDot 2s infinite;
    flex-shrink: 0;
  }
  
  .hero-home__pretitle {
    font-family: var(--font-mono);
    font-size: var(--text-2xl);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--ocean-500);
    margin-bottom: var(--space-4);
  }
  
  .hero-home__title {
    font-family: var(--font-banner);
    font-style: normal;
    font-size: clamp(calc(var(--text-3xl) * 1.12), 5.75vw, calc(var(--text-7xl) * 0.95));
    font-weight: 600;
    color: var(--white);
    line-height: 1.06;
    letter-spacing: -0.035em;
    font-feature-settings: "kern" 1, "liga" 1;
    margin-bottom: var(--space-6);
  }
  
  .hero-home__title-gradient {
    background: linear-gradient(135deg, var(--ocean-400), var(--ocean-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .hero-home__title-italic {
    font-style: italic;
    color: rgba(255,255,255,0.82);
    -webkit-text-fill-color: rgba(255,255,255,0.82);
  }
  
  .hero-home__pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
  }
  
  .hero-home__pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--glass-pill-bg);
    border: 1px solid var(--glass-pill-border);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4);
    color: rgba(255,255,255,0.8);
    font-size: calc(var(--text-sm) * 0.92);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }
  
  .hero-home__mode {
    color: rgba(255,255,255,0.45);
    font-size: calc(var(--text-sm) * 0.92);
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
  }
  
  /* ── Countdown widget ── */
  .countdown {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .countdown__unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
  }
  
  .countdown__num {
    font-family: var(--font-mono);
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: 700;
    color: var(--ocean-400);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-4);
    min-width: 72px;
    text-align: center;
    line-height: 1;
  }
  
  .countdown__label {
    color: rgba(255,255,255,0.35);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }
  
  .countdown__sep {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: 700;
    color: var(--ocean-500);
    line-height: 1;
    padding-top: var(--space-2);
    opacity: 0.6;
  }
  
  /* ── Stats bar (home) ── */
  .stats-bar__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }
  
  /* ── Section header ── */
  .section-header {
    margin-bottom: var(--space-16);
  }
  
  .section-header--center {
    text-align: center;
  }
  
  .section-header--center .section-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  
  /* ── Badges (physical / virtual) ── */
  .badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--text-2xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    vertical-align: middle;
  }
  
  .badge--physical {
    background: rgba(16,185,129,0.15);
    color: #065f46;
    border: 1px solid rgba(16,185,129,0.3);
  }
  
  .badge--virtual {
    background: rgba(26,139,173,0.15);
    color: var(--ocean-700);
    border: 1px solid rgba(26,139,173,0.3);
  }
  
  /* Dark section badge variants */
  .section--dark .badge--physical,
  .hero-home .badge--physical {
    background: rgba(16,185,129,0.2);
    color: #6ee7b7;
    border-color: rgba(16,185,129,0.4);
  }
  
  .section--dark .badge--virtual,
  .hero-home .badge--virtual {
    background: rgba(91,191,214,0.2);
    color: var(--ocean-300);
    border-color: rgba(91,191,214,0.4);
  }
  
  /* ── Timeline accent ── */
  .tl-dot--accent {
    background: var(--ocean-400) !important;
    box-shadow: 0 0 0 4px rgba(91,191,214,0.25) !important;
  }
  
  .tl-date--accent {
    color: var(--ocean-400) !important;
  }
  
  /* ── Why attend cards ── */
  .why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
  
  .why-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
    overflow: hidden;
  }
  
  .why-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ocean-600), var(--ocean-400));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
  }
  
  .why-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--ocean-400);
  }
  
  .why-card:hover::after {
    transform: scaleX(1);
  }
  
  .why-card__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    margin-bottom: var(--space-5);
  }
  
  .why-card__icon--teal  { background: rgba(26,139,173,0.1); color: var(--ocean-600); }
  .why-card__icon--blue  { background: rgba(56,189,248,0.1); color: #0284c7; }
  .why-card__icon--gold  { background: rgba(245,158,11,0.1); color: #b45309; }
  .why-card__icon--purple{ background: rgba(139,92,246,0.1); color: #7c3aed; }
  .why-card__icon--green { background: rgba(16,185,129,0.1); color: #065f46; }
  .why-card__icon--rose  { background: rgba(244,63,94,0.1);  color: #be123c; }
  
  .why-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: var(--space-3);
  }
  
  .why-card__desc {
    font-size: var(--text-sm);
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 0;
  }
  
  /* ── Publication strip ── */
  .pub-strip {
    background: var(--white);
    border-top: 1px solid var(--ocean-200);
    border-bottom: 1px solid var(--ocean-200);
    padding: var(--space-12) var(--space-6);
  }
  
  .pub-strip__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1px 1fr 1px 1fr;
    gap: 0;
    align-items: center;
  }
  
  .pub-strip__divider {
    background: var(--ocean-200);
    height: 80px;
  }
  
  .pub-strip__block {
    text-align: center;
    padding: 0 var(--space-12);
  }
  
  .pub-strip__label {
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: var(--space-2);
  }
  
  .pub-strip__value {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--ocean-900);
    letter-spacing: -0.03em;
    margin-bottom: var(--space-1);
  }
  
  .pub-strip__sub {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin-bottom: 0;
  }
  
  /* ── About section (dark bg — legacy pages without split layout) ── */
  .about-section:not(.about-section--split) {
    background: var(--ocean-900);
  }
  
  .about-section:not(.about-section--split) .about-text p {
    color: rgba(255,255,255,0.65);
  }
  
  .about-section:not(.about-section--split) .about-card {
    background: var(--glass-bg);
    border-color: var(--glass-border);
  }
  
  .about-section:not(.about-section--split) .about-card__title {
    color: var(--white);
  }
  
  .about-section:not(.about-section--split) .about-card__text {
    color: rgba(255,255,255,0.55);
  }
  
  .about-section:not(.about-section--split) .about-card__icon {
    color: var(--ocean-400);
  }
  
  /* ── Partners (dark bg) ── */
  .partner-block {
    margin-bottom: var(--space-8);
  }
  
  .partner-category-label {
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: var(--space-4);
  }
  
  .partner-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255,255,255,0.75);
    background: var(--glass-bg);
  }
  
  .partner-badge--accent {
    border-color: rgba(91,191,214,0.35);
    color: var(--ocean-400);
  }
  
  /* ── Participants (dark bg variant) ── */
  .participant-card__name {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0;
  }
  
  /* Participants on white/light background */
  .section--white .participant-card,
  .section--off-white .participant-card,
  .section--gradient-light .participant-card {
    background: var(--white);
    border-color: var(--ocean-200);
  }
  
  .section--white .participant-card__name,
  .section--off-white .participant-card__name,
  .section--gradient-light .participant-card__name {
    color: var(--ocean-900);
  }
  
  .section--white .participant-card:hover,
  .section--off-white .participant-card:hover,
  .section--gradient-light .participant-card:hover {
    border-color: var(--ocean-500);
    background: var(--ocean-50);
  }
  
  /* ── Track card (alias) ── */
  .track-card__num {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--ocean-500);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--space-3);
    opacity: 0.8;
  }
  
  .track-tag {
    background: rgba(91,191,214,0.12);
    color: var(--ocean-400);
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-weight: 500;
  }
  
  /* ── Steps (how to submit) ── */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
  }
  
  .steps-grid::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--ocean-600), var(--ocean-400));
    z-index: 0;
  }
  
  .step-item {
    text-align: center;
    padding: 0 var(--space-4);
    position: relative;
    z-index: 1;
  }
  
  .step-item__circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--ocean-500);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--ocean-600);
    box-shadow: 0 4px 24px rgba(26,139,173,0.2);
  }
  
  .step-item__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--ocean-900);
    margin-bottom: var(--space-2);
  }
  
  .step-item__desc {
    font-size: var(--text-sm);
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 0;
  }
  
  /* ── Quotes / testimonials ── */
  .quote-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
  
  .quote-card {
    background: var(--white);
    border: 1px solid var(--ocean-200);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    position: relative;
    margin: 0;
  }
  
  .quote-card::before {
    content: '\201C';
    font-size: var(--text-6xl);
    font-family: Georgia, serif;
    color: var(--ocean-500);
    line-height: 0.8;
    display: block;
    margin-bottom: var(--space-4);
    opacity: 0.4;
  }
  
  .quote-card__text {
    font-size: var(--text-sm);
    color: var(--gray-600);
    line-height: 1.75;
    margin-bottom: var(--space-5);
    font-style: italic;
  }
  
  .quote-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }
  
  .quote-card__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: 700;
    flex-shrink: 0;
  }
  
  .quote-card__name {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--ocean-900);
    font-style: normal;
    display: block;
  }
  
  .quote-card__role {
    font-size: var(--text-xs);
    color: var(--gray-500);
    margin-bottom: 0;
  }
  
  /* ── CTA Banner ── */
  .cta-banner {
    background: linear-gradient(135deg, var(--ocean-950) 0%, var(--ocean-800) 50%, var(--ocean-950) 100%);
    padding: var(--space-24) var(--space-6);
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  
  .cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 80% at 50% 50%, rgba(26,139,173,0.15), transparent);
    pointer-events: none;
  }
  
  .cta-banner__title {
    font-family: var(--font-heading);
    font-style: normal;
    font-size: clamp(var(--text-4xl), 4.75vw, var(--text-6xl));
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.035em;
    font-feature-settings: "kern" 1, "liga" 1;
    margin-bottom: var(--space-4);
    color: var(--white);
    position: relative;
    z-index: 1;
  }
  
  .cta-banner__title span {
    background: linear-gradient(90deg, var(--ocean-400), var(--ocean-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .cta-banner__sub {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.55);
    margin-bottom: var(--space-10);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
  }
  
  .cta-banner__actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
  }
  
  /* ── Keywords / topics cloud ── */
  .keywords-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
  }
  
  .keyword-pill {
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    border: 1px solid;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    cursor: default;
  }
  
  .keyword-pill:hover {
    transform: scale(1.04);
    box-shadow: var(--shadow-xs);
  }
  
  .kp-teal   { background: rgba(26,139,173,0.08); border-color: rgba(26,139,173,0.3); color: var(--ocean-700); }
  .kp-blue   { background: rgba(56,189,248,0.08); border-color: rgba(56,189,248,0.3); color: #0369a1; }
  .kp-purple { background: rgba(139,92,246,0.08); border-color: rgba(139,92,246,0.3); color: #6d28d9; }
  .kp-gold   { background: rgba(245,158,11,0.1);  border-color: rgba(245,158,11,0.3); color: #92400e; }
  .kp-green  { background: rgba(16,185,129,0.08); border-color: rgba(16,185,129,0.3); color: #065f46; }
  
  /* ── Proceedings ── */
  .proc-section-title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-500);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--ocean-200);
  }
  
  .proc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(115px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-10);
  }
  
  .proc-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-base);
    text-decoration: none;
    display: block;
  }
  
  .proc-card:hover {
    transform: translateY(-4px);
  }
  
  .proc-cover {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--ocean-200);
    display: block;
  }
  
  .proc-cover-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    border-radius: var(--radius-sm);
    background: var(--gradient-card-1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--space-2);
    border: 1px solid var(--glass-border);
    font-size: var(--text-xs);
    font-weight: 700;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.1em;
  }
  
  .proc-label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--gray-600);
    text-align: center;
    margin-top: var(--space-2);
    margin-bottom: 0;
  }
  
  /* ── Spotlight card image (alias for __bg) ── */
  .spotlight-card__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
  }
  
  .spotlight-card:hover .spotlight-card__img {
    transform: scale(1.08);
  }
  
  /* ── Spacing token ── */
  :root {
    --space-14: 3.5rem;
  }
  
  /* ============================================================
     TIMELINE — .tl-* aliases used in index.php
     ============================================================ */
  .timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
  }
  
  .timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--ocean-500), var(--ocean-600));
    transform: translateX(-50%);
  }
  
  .tl-item {
    display: grid;
    grid-template-columns: 1fr 40px 1fr;
    gap: 0 var(--space-6);
    align-items: start;
    margin-bottom: var(--space-10);
  }
  
  .tl-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-dark);
  }
  
  .tl-card:hover {
    border-color: var(--ocean-500);
    transform: translateY(-2px);
    transition: transform var(--transition-base), border-color var(--transition-base);
  }
  
  .tl-empty {
    /* placeholder column */
  }
  
  .tl-spacer {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: var(--space-5);
  }
  
  .tl-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--ocean-600);
    border: 3px solid var(--ocean-400);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 0 4px rgba(91,191,214,0.15);
  }
  
  .tl-dot--accent {
    background: var(--ocean-400);
    border-color: var(--ocean-300);
    box-shadow: 0 0 0 6px rgba(91,191,214,0.25);
  }
  
  .tl-date {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--ocean-400);
    font-weight: 600;
    margin-bottom: var(--space-2);
  }
  
  .tl-date--accent {
    color: var(--ocean-300);
  }
  
  .tl-title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-3);
  }
  
  .tl-desc {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
    margin-bottom: 0;
  }
  
  /* Mobile timeline */
  @media (max-width: 640px) {
    .timeline::before {
      left: 8px;
    }
    .tl-item {
      grid-template-columns: 24px 1fr;
      grid-template-rows: auto;
    }
    .tl-item .tl-empty { display: none; }
    .tl-item .tl-spacer {
      grid-column: 1;
      grid-row: 1;
      padding-top: var(--space-5);
    }
    .tl-item .tl-card {
      grid-column: 2;
      grid-row: 1;
    }
    /* Reorder for even items on mobile */
    .tl-item:nth-child(even) .tl-empty { display: none; }
    .tl-item:nth-child(even) .tl-spacer {
      grid-column: 1;
      grid-row: 1;
      order: -1;
    }
    .tl-item:nth-child(even) .tl-card {
      grid-column: 2;
      grid-row: 1;
    }
  }
  
  /* ============================================================
     STATS BAR — fix inner grid (HTML uses .stats-bar__inner)
     ============================================================ */
  .stats-bar__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }
  
  .stats-bar__item {
    text-align: center;
    position: relative;
  }
  
  .stats-bar__item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 10%;
    height: 80%;
    width: 1px;
    background: var(--glass-border);
  }
  
  /* ============================================================
     TRACK CARDS — section--gradient-light needs visible cards
     ============================================================ */
  .section--gradient-light .track-card {
    background: var(--white);
    border-color: var(--ocean-200);
  }
  
  .section--gradient-light .track-card__num {
    color: var(--ocean-600);
    opacity: 1;
  }
  
  .section--gradient-light .track-card__title {
    color: var(--ocean-900);
  }
  
  .section--gradient-light .track-tag {
    background: rgba(26,139,173,0.08);
    color: var(--ocean-700);
  }
  
  .section--gradient-light .track-card__link {
    color: var(--ocean-600);
  }
  
  .section--gradient-light .track-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--ocean-500);
  }
  
  .section--gradient-light .track-card::before {
    background: linear-gradient(160deg, transparent, var(--ocean-600), transparent);
  }
  
  /* ============================================================
     PARTICIPANT CARD ICON — emoji span fix
     ============================================================ */
  .participant-card__icon {
    font-size: var(--text-3xl);
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-3);
    border-radius: 50%;
    border: 2px solid var(--ocean-200);
    background: var(--ocean-50);
  }
  
  .section--white .participant-card__icon,
  .section--off-white .participant-card__icon,
  .section--gradient-light .participant-card__icon {
    border-color: var(--ocean-200);
    background: var(--ocean-50);
  }
  
  /* ============================================================
     ABOUT SECTION — dark bg, fix eyebrow + heading colors
     ============================================================ */
  .about-section:not(.about-section--split) .eyebrow {
    color: var(--ocean-400);
  }
  
  .about-section:not(.about-section--split) .section-title {
    color: var(--white);
  }
  
  /* ============================================================
     SECTION--DARK-ALT — partners section heading fix
     ============================================================ */
  .section--dark-alt .partners-grid {
    justify-content: center;
  }
  
  /* ============================================================
     RESPONSIVE FIXES
     ============================================================ */
  @media (max-width: 768px) {
    .stats-bar__inner {
      grid-template-columns: repeat(2, 1fr);
    }
    .stats-bar__item:not(:last-child)::after {
      display: none;
    }
    .tl-item {
      grid-template-columns: 24px 1fr;
    }
    .tl-item .tl-empty { display: none; }
    .tl-item .tl-spacer {
      padding-top: var(--space-5);
    }
  }
  
  /* ── Responsive: homepage ── */
  @media (max-width: 1024px) {
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
    .steps-grid::before { display: none; }
    .quote-grid { grid-template-columns: repeat(2, 1fr); }
    .pub-strip__inner { grid-template-columns: 1fr; gap: var(--space-6); }
    .pub-strip__divider { display: none; }
  }
  
  @media (max-width: 768px) {
    .hero-home { padding: 100px var(--space-5) max(var(--space-20), 120px); }
    .hero-home__title {
      font-size: clamp(calc(var(--text-2xl) * 1.2), 8.25vw, calc(var(--text-5xl) * 1.02));
    }
    .hero-home-swiper .swiper-button-prev,
    .hero-home-swiper .swiper-button-next {
      display: none;
    }
    .countdown__num { font-size: var(--text-3xl); min-width: 56px; }
    .stats-bar__inner { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .quote-grid { grid-template-columns: 1fr; }
    .spotlight-grid { grid-template-columns: 1fr; }
    .tracks-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: var(--space-8); }
    .about-content-box {
      padding: var(--space-6) var(--space-5);
      border-radius: var(--radius-md);
    }
    .about-split {
      grid-template-columns: 1fr;
      gap: var(--space-8);
    }
    .about-split__text {
      column-count: 1;
      column-rule: none;
      overflow-y: visible;
      padding-right: 0;
    }
    .about-split__text p {
      font-size: var(--text-base);
      line-height: 1.72;
      text-align: start;
      hyphens: manual;
      -webkit-hyphens: manual;
    }
    .about-split__media {
      order: -1;
    }
    .about-grid--conference__media .about-split__figure,
    .about-grid--conference__media .about-split__img {
      min-height: 240px;
      max-height: 320px;
    }
    .about-split__figure {
      min-height: 240px;
      max-height: 320px;
    }
    .about-split__img {
      min-height: 240px;
      max-height: 320px;
      height: 100%;
    }
    .partners-tibs__grid {
      grid-template-columns: 1fr;
      gap: var(--space-10);
    }
    .partners-tibs__item {
      max-width: 400px;
      margin: 0 auto;
    }
    .participate-split {
      grid-template-columns: 1fr;
      gap: var(--space-8);
    }
    .participate-split__visual {
      order: -1;
    }
    .participate-split-section .section-header {
      margin-bottom: var(--space-8);
    }
    .indexing-tibs__logos {
      justify-content: center;
    }
    .indexing-tibs__logo {
      flex: 0 0 auto;
      width: calc(50% - var(--space-4));
      max-width: 160px;
      height: auto;
      object-fit: contain;
    }
  }
  
  @media (max-width: 480px) {
    .countdown { gap: var(--space-2); }
    .countdown__num { font-size: var(--text-2xl); min-width: 48px; padding: var(--space-2); }
    .hero-home__pills { gap: var(--space-2); }
  }