/* ================================================================
   MCT4SD 2026 — RESPONSIVE BREAKPOINT OVERRIDES
   Mobile-first approach
   ================================================================ */

/* ============================================================
   BASE (< 640px) — Mobile
   ============================================================ */

/* Announcement strip */
.announcement-strip__inner {
  font-size: var(--text-xs);
  gap: var(--space-2);
}

.announcement-strip__text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 60%;
}

/* Navbar */
.navbar__menu {
  display: none;
}

.navbar__hamburger {
  display: flex;
}

.navbar__cta {
  display: none;
}

/* Hero */
.hero-title {
  font-size: clamp(var(--text-3xl), 8vw, var(--text-5xl));
}

.hero-countdown__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  max-width: 200px;
  margin: 0 auto;
}

.hero-meta {
  flex-direction: column;
  align-items: center;
}

.hero-actions {
  flex-direction: column;
  align-items: center;
}

.hero-actions .btn {
  width: 100%;
  max-width: 280px;
  justify-content: center;
}

/* Stats bar */
.stats-bar__grid {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.stats-bar__item:not(:last-child)::after {
  display: none;
}

/* About */
.about-grid {
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

/* Participants */
.participants-grid {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.participant-card {
  padding: var(--space-4);
}

.participant-card__icon {
  width: 48px;
  height: 48px;
  font-size: var(--text-xl);
}

.participant-card__title {
  font-size: var(--text-xs);
}

/* Tracks */
.tracks-grid {
  grid-template-columns: 1fr;
}

/* Timeline */
.timeline::before {
  left: 20px;
}

.timeline-item:nth-child(odd),
.timeline-item:nth-child(even) {
  padding-left: 52px;
  padding-right: 0;
  justify-content: flex-start;
}

.timeline-item__dot {
  left: 20px;
}

/* Publications */
.publication-grid {
  grid-template-columns: repeat(2, 1fr);
}

/* Spotlight */
.spotlight-grid {
  grid-template-columns: 1fr;
}

/* Speakers */
.speakers-grid {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

/* Committees */
.committee-grid {
  grid-template-columns: 1fr;
}

/* Fee tables */
.fee-table-wrapper {
  margin: var(--space-4) calc(-1 * var(--space-6));
  padding: 0 var(--space-6);
  border-radius: 0;
}

/* Mode cards */
.mode-cards {
  grid-template-columns: 1fr;
}

/* Venue features */
.venue-features-grid {
  grid-template-columns: repeat(2, 1fr);
}

/* Transport */
.transport-grid {
  grid-template-columns: 1fr;
}

/* Accommodation */
.accommodation-grid {
  grid-template-columns: 1fr;
}

/* Attractions */
.attractions-grid {
  grid-template-columns: 1fr;
}

/* Weather */
.weather-grid {
  grid-template-columns: repeat(2, 1fr);
}

/* Contact */
.contact-grid {
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

/* Gallery */
.gallery-grid {
  columns: 2;
}

/* Benefits (Join Us) */
.benefits-grid {
  grid-template-columns: repeat(2, 1fr);
}

/* Footer */
.footer__grid {
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.footer__bottom-inner {
  flex-direction: column;
  text-align: center;
  gap: var(--space-3);
}

.footer__quote {
  order: -1;
}

/* Sticky bottom bar */
.sticky-bottom-bar__btn span {
  font-size: var(--text-xs);
}

/* Back to top repositioned */
.back-to-top {
  bottom: 56px;
  right: var(--space-4);
}

/* Section padding */
.section {
  padding: 60px 0;
}

.page-hero {
  padding: calc(var(--space-24) + 40px) var(--space-4) var(--space-10);
}

/* Tabs */
.tabs-nav {
  gap: 0;
}

.tabs-nav__btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* Accordion content */
.accordion-item__content {
  padding-left: var(--space-6);
}

.accordion-item__content ul {
  grid-template-columns: 1fr;
}

/* ============================================================
   sm (≥ 640px) — Large Mobile / Small Tablet
   ============================================================ */
@media (min-width: 640px) {
  .hero-countdown__grid {
    display: flex;
    max-width: none;
  }

  .hero-actions {
    flex-direction: row;
  }

  .hero-actions .btn {
    width: auto;
    max-width: none;
  }

  .participants-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .publication-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery-grid {
    columns: 3;
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   md (≥ 768px) — Tablet
   ============================================================ */
@media (min-width: 768px) {
  .section {
    padding: var(--section-y) 0;
  }

  .stats-bar__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .stats-bar__item:not(:last-child)::after {
    display: block;
  }

  .speakers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .committee-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .spotlight-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mode-cards {
    grid-template-columns: 1fr 1fr;
  }

  .transport-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .accommodation-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .attractions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .weather-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .announcement-strip__text {
    max-width: none;
    overflow: visible;
  }
}

/* ============================================================
   lg (≥ 1024px) — Desktop
   ============================================================ */
@media (min-width: 1024px) {
  .navbar__menu {
    display: flex;
  }

  .navbar__hamburger {
    display: none;
  }

  .navbar__cta {
    display: inline-flex;
  }

  .about-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-16);
  }

  .participants-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .tracks-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .speakers-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .spotlight-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .transport-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .accommodation-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .attractions-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr 1.5fr 1fr;
  }

  .gallery-grid {
    columns: 4;
  }

  .footer__grid {
    grid-template-columns: 1.2fr 1fr 1.2fr;
  }

  .footer__bottom-inner {
    flex-direction: row;
    text-align: left;
  }

  .footer__quote {
    order: 0;
  }

  .benefits-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .accordion-item__content ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .venue-features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================================
   xl (≥ 1280px) — Large Desktop
   ============================================================ */
@media (min-width: 1280px) {
  .hero-title {
    font-size: var(--text-7xl);
  }

  .container {
    padding: 0 var(--space-8);
  }
}

/* ============================================================
   2xl (≥ 1536px) — Ultra-wide
   ============================================================ */
@media (min-width: 1536px) {
  .hero-title {
    font-size: var(--text-8xl);
  }

  .section {
    padding: 100px 0;
  }
}

/* ============================================================
   WCP — responsive overrides
   ============================================================ */
@media (max-width: 767px) {
  .wcp-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 14px 0;
  }
  .wcp-col--left,
  .wcp-col--right {
    align-items: center;
  }
  .wcp-card {
    max-width: 90vw;
    flex-direction: row;
  }
  .wcp-card--left  { flex-direction: row; }
  .wcp-card--left::after,
  .wcp-card--right::after { display: none; }
  .wcp-ring--1 { width: 200px; height: 200px; }
  .wcp-ring--2 { width: 260px; height: 260px; }
  .wcp-frame   { width: 150px; height: 230px; }
  .wcp-sticky  { padding: 16px 10px 12px; gap: 0; }
}

@media (max-width: 480px) {
  .wcp-title { font-size: var(--text-2xl); }
  .wcp-grid  { gap: 10px 0; }
}