:root {
  --bg: #f4f2ec;
  --bg-deep: #0a0a0a;
  --surface: #ffffff;
  --ink: #0f0f0f;
  --muted: #5a5a5a;
  --line: rgba(15, 15, 15, 0.1);
  --sea: #111111;
  --aqua: #c9a227;
  --foam: #f5c400;
  --leaf: #d4a017;
  --sand: #fff4cc;
  --danger: #b42318;
  --ok: #067647;
  --radius: 22px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.12);
  --font-display: "Syne", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --text: 1.125rem;
  --gold: #f5c400;
  --gold-deep: #c9a227;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 17px; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text);
  color: var(--ink);
  background:
    radial-gradient(circle at 10% -10%, rgba(245, 196, 0, 0.22), transparent 32%),
    radial-gradient(circle at 90% 0%, rgba(20, 78, 162, 0.08), transparent 28%),
    linear-gradient(180deg, #faf8f3 0%, var(--bg) 40%, #efebe3 100%);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1250px, calc(100% - 2rem)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  padding: .85rem 0 .35rem;
  background: transparent;
}
.header-shell {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px) saturate(1.2);
  border: 1px solid rgba(255,255,255,.65);
  border-radius: 22px;
  box-shadow: 0 10px 40px rgba(0,0,0,.08);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled .header-shell {
  background: rgba(255,255,255,.92);
  box-shadow: 0 14px 44px rgba(0,0,0,.12);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 78px; padding: .55rem .9rem .55rem 1rem;
}
.brand { display: flex; align-items: center; gap: .65rem; }
.brand-badge {
  display: grid; place-items: center;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(0,0,0,.06);
}
.brand-badge-cop {
  padding: .35rem .55rem;
  border-radius: 14px;
}
.brand-badge-selcuk {
  padding: .2rem;
  border-radius: 50%;
}
.brand-logo { height: 40px; width: auto; }
.brand-logo-cop {
  height: 44px;
  width: auto;
  object-fit: contain;
  display: block;
}
.brand-logo-selcuk { height: 52px; width: 52px; object-fit: contain; border-radius: 50%; }
.brand-footer { flex-wrap: wrap; align-items: center; gap: .75rem; margin-bottom: .5rem; }
.brand-logo-cop-footer {
  height: 48px;
  width: auto;
  background: transparent;
}
.site-nav { display: flex; align-items: center; gap: .1rem; flex-wrap: nowrap; }
.site-nav > a {
  position: relative;
  font-size: .98rem; color: #3d3d3d; font-weight: 700;
  padding: .5rem .62rem; border-radius: 999px;
  transition: color .2s ease, background .2s ease;
  white-space: nowrap;
}
.site-nav > a:hover,
.site-nav > a.is-active {
  color: #111;
  background: rgba(245, 196, 0, 0.18);
}
.site-nav > a.is-active::after {
  content: "";
  position: absolute; left: 50%; bottom: .2rem; transform: translateX(-50%);
  width: 14px; height: 3px; border-radius: 99px; background: var(--gold-deep);
}
.lang-switch {
  display: inline-flex; gap: .25rem; margin-left: .45rem;
  padding: .2rem; border-radius: 999px; background: #f3f1ea; border: 1px solid var(--line);
}
.lang-switch a {
  padding: .38rem .7rem; border-radius: 999px; border: 0; font-size: .88rem; font-weight: 800;
  color: #555;
}
.lang-switch a.active { background: #111; color: var(--gold); }
.nav-toggle {
  display: none; width: 46px; height: 46px; border: 1px solid var(--line);
  border-radius: 14px; background: #fff; align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--ink); display: block; }

.hero { position: relative; margin-top: .35rem; padding-bottom: .5rem; }
.hero-slider {
  position: relative;
  height: clamp(300px, calc(100vh - 185px), 560px);
  min-height: 300px;
  max-height: 560px;
  overflow: hidden;
  background: #0a0a0a;
  border-radius: 28px;
}
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .85s ease;
  background: var(--hero-img) center/cover no-repeat;
  display: flex; align-items: flex-end; padding: 2.6rem 0 5.2rem;
}
.hero-slide.is-active { opacity: 1; z-index: 1; }
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(120deg, rgba(0,0,0,.78) 8%, rgba(20,16,0,.42) 55%, rgba(0,0,0,.55)),
    linear-gradient(0deg, rgba(0,0,0,.72), transparent 48%);
}
.hero-copy { position: relative; z-index: 2; color: #fff; max-width: 760px; }
.hero-logo {
  height: 52px; width: auto; margin-bottom: .8rem;
  object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,.45));
  background: transparent; border-radius: 0; padding: 0;
}
.hero-copy h1 {
  font-family: var(--font-display); font-size: clamp(2.1rem, 4.6vw, 3.55rem);
  line-height: 1.05; margin: .2rem 0 .65rem; letter-spacing: -0.03em;
}
.hero-copy p { font-size: 1.12rem; max-width: 34rem; color: rgba(255,255,255,.92); margin: 0 0 .9rem; }
.eyebrow {
  text-transform: uppercase; letter-spacing: .16em; font-size: .85rem;
  color: var(--gold); font-weight: 800; margin: 0 0 .5rem;
}
.hero-dots {
  position: absolute; left: 50%; bottom: 1.5rem; transform: translateX(-50%);
  display: flex; gap: .5rem; z-index: 3;
}
.hero-dots button {
  width: 11px; height: 11px; border-radius: 50%; border: 0; background: rgba(255,255,255,.45); cursor: pointer;
  transition: width .25s ease, background .25s ease;
}
.hero-dots button.is-active { background: #fff; width: 32px; border-radius: 999px; }

.countdown-bar {
  position: relative;
  z-index: 4;
  margin-top: -2.8rem;
}
.countdown-inner {
  background: linear-gradient(135deg, #111 0%, #2a2308 45%, #c9a227 100%);
  color: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.35rem; flex-wrap: wrap;
}
.countdown-label { font-weight: 700; letter-spacing: .04em; font-size: 1rem; }
.countdown-units { display: flex; gap: 1.1rem; }
.countdown-units div { text-align: center; min-width: 58px; }
.countdown-units strong { display: block; font-family: var(--font-display); font-size: 1.65rem; line-height: 1.1; }
.countdown-units span { font-size: .78rem; opacity: .9; }

.section { padding: 3rem 0; }
.section-head {
  display: flex; justify-content: space-between; align-items: end; gap: 1rem;
  margin-bottom: 1.35rem; flex-wrap: wrap;
}
.section-head h2, .about-section h2, .cta-panel h2, .mascot-panel h2 {
  font-family: var(--font-display); font-size: clamp(2.05rem, 4.2vw, 3rem);
  line-height: 1.12; margin: 0; letter-spacing: -0.03em;
}
.section-head p, .lead-text { color: var(--muted); margin: .55rem 0 0; max-width: 40rem; font-size: 1.12rem; }
.section-head.light, .section-head.light h2, .section-head.light p { color: #fff; }
.text-link { color: var(--sea); font-weight: 700; font-size: 1.05rem; }

.pillars-section { padding-top: 2.2rem; padding-bottom: .6rem; }
.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.pillar-card {
  min-height: 180px; border-radius: 18px; overflow: hidden; position: relative;
  background: linear-gradient(180deg, rgba(4,20,28,.15), rgba(4,20,28,.75)), var(--pimg) center/cover no-repeat;
  display: flex; align-items: flex-end; padding: 1.2rem;
  transform: translateY(0); transition: transform .35s ease, box-shadow .35s ease;
}
.pillar-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.pillar-card h3 {
  margin: 0; color: #fff; font-family: var(--font-display); font-size: 1.7rem;
}

.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 1.6rem; align-items: center; }
.about-media { position: relative; }
.about-video {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 24px;
  box-shadow: var(--shadow); background: #0a4d68;
}
.about-float {
  position: absolute; right: -12px; bottom: -14px; background: #fff; border-radius: 16px;
  padding: .75rem .9rem; box-shadow: var(--shadow); border: 1px solid var(--line);
}
.about-float img { height: 48px; width: auto; object-fit: contain; display: block; }
.timeline {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: .9rem; margin-top: 1.25rem;
}
.timeline div {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 1rem;
  transition: transform .3s ease;
}
.timeline div:hover { transform: translateY(-4px); }
.timeline strong { display: block; font-family: var(--font-display); color: var(--sea); font-size: 1.35rem; }
.timeline span { font-size: 1rem; color: var(--muted); }

.leaders-grid { display: grid; grid-template-columns: 1fr; gap: 1.1rem; max-width: 920px; }
.leader-quote {
  margin: 0; background: var(--surface); border-radius: var(--radius);
  padding: 1.7rem; border: 1px solid var(--line); box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.leader-quote::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 5px;
  background: linear-gradient(180deg, var(--gold), #111);
}
.leader-quote p {
  font-family: var(--font-display); font-size: 1.28rem; line-height: 1.45; margin: 0 0 1.25rem;
}
.leader-quote footer { display: flex; gap: .9rem; align-items: center; }
.leader-quote span { display: block; color: var(--muted); font-size: .98rem; }
.leader-quote strong { font-size: 1.12rem; }

.agenda-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.agenda-item {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.agenda-item:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.agenda-media { height: 140px; background-size: cover; background-position: center; }
.agenda-body { padding: 1.1rem 1.15rem 1.25rem; }
.agenda-item h3 { margin: 0 0 .45rem; font-size: 1.12rem; }
.agenda-item p { margin: 0; color: var(--muted); font-size: 1rem; }

.stats-section {
  position: relative; overflow: hidden; color: #fff;
  background: #111; border-radius: 28px;
}
.stats-bg { position: absolute; inset: 0; }
.stats-bg video {
  width: 100%; height: 100%; object-fit: cover; opacity: .35; filter: saturate(1.1);
}
.stats-section .container { position: relative; z-index: 1; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.stat-card {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16);
  border-radius: 18px; padding: 1.35rem 1.4rem; backdrop-filter: blur(8px);
}
.stat-card span { display: block; opacity: .88; font-size: 1rem; margin-bottom: .45rem; }
.stat-card strong {
  font-family: var(--font-display); font-size: clamp(1.55rem, 3vw, 2.2rem); font-variant-numeric: tabular-nums;
}

.updates-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.update-row {
  display: grid; grid-template-columns: 140px 1fr; gap: 1rem; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.update-row:hover { transform: translateY(-3px); border-color: rgba(8,131,149,.4); }
.update-row img { width: 100%; height: 100%; min-height: 130px; object-fit: cover; }
.update-row > div { padding: 1rem 1.1rem 1rem 0; display: grid; gap: .35rem; }
.update-row strong { font-size: 1.12rem; line-height: 1.35; }
.badge {
  display: inline-flex; justify-content: center; width: fit-content; padding: .28rem .6rem; border-radius: 999px;
  background: var(--sand); color: #6b5500; font-size: .84rem; font-weight: 700;
}

.events-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.event-card {
  display: block; border-radius: 18px; background: var(--surface);
  border: 1px solid var(--line); overflow: hidden; transition: transform .3s ease;
}
.event-card:hover { transform: translateY(-5px); }
.event-media {
  height: 200px;
  background: #efebe3;
  overflow: hidden;
}
.event-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.event-card.has-media { background: #fff; box-shadow: 0 10px 28px rgba(0,0,0,.05); }
.event-body { padding: 1.2rem 1.25rem 1.35rem; }
.event-card time { color: var(--gold-deep); font-weight: 700; font-size: .98rem; }
.text-link { color: var(--gold-deep); font-weight: 700; font-size: 1.05rem; }
.site-nav a:hover { color: var(--gold-deep); }
.timeline strong { display: block; font-family: var(--font-display); color: var(--gold-deep); font-size: 1.35rem; }
.event-card h3 { margin: .55rem 0 .4rem; font-size: 1.25rem; }
.event-card p { margin: 0; color: var(--muted); font-size: 1.02rem; }

.venue-mosaic {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr; grid-template-rows: 240px 240px; gap: 1rem;
}
.venue-mosaic figure {
  margin: 0; position: relative; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow);
}
.venue-mosaic figure:first-child { grid-row: span 2; }
.venue-mosaic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.venue-mosaic figure:hover img { transform: scale(1.06); }
.venue-mosaic figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: .9rem 1rem;
  background: linear-gradient(transparent, rgba(4,20,28,.78)); color: #fff; font-weight: 700; font-size: 1.05rem;
}

.mascot-panel {
  display: grid; grid-template-columns: 280px 1fr; gap: 1.5rem; align-items: center;
  background: linear-gradient(135deg, #111 0%, #2a2308 55%, #c9a227);
  color: #fff; border-radius: 28px; padding: 1.5rem 1.7rem; overflow: hidden;
  box-shadow: var(--shadow);
}
.mascot-img {
  width: min(280px, 100%); margin-inline: auto;
  object-fit: contain;
  animation: floaty 4.5s ease-in-out infinite;
  filter: drop-shadow(0 18px 30px rgba(0,0,0,.35));
  background: #fff; border-radius: 20px; padding: 1rem 1.2rem;
}
.mascot-panel .lead-text, .mascot-panel .eyebrow { color: rgba(255,255,255,.9); }
.mascot-panel h2 { color: #fff; }

.eco-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.eco-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.eco-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.eco-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.eco-card h3 { margin: 0; padding: 1rem 1.1rem 1.15rem; font-size: 1.12rem; }

.faq-list details {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  padding: 1.1rem 1.2rem; margin-bottom: .8rem;
}
.faq-list summary { cursor: pointer; font-weight: 700; font-size: 1.12rem; }
.faq-list p { color: var(--muted); margin: .75rem 0 0; font-size: 1.05rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .95rem 1.4rem; border-radius: 999px; border: 0; font-weight: 800; cursor: pointer; font-size: 1.05rem;
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.15); }
.btn-primary { background: linear-gradient(135deg, var(--gold), var(--gold-deep)); color: #111; }
.btn-secondary { background: #fff; border: 1px solid var(--line); }
.page-hero { padding: 3.8rem 0 1.7rem; }
.page-hero h1 { font-family: var(--font-display); font-size: clamp(2.2rem, 5vw, 3.3rem); margin: 0; letter-spacing: -0.03em; }
.content-grid { display: grid; gap: 1rem; padding-bottom: 4rem; }
.content-card {
  display: grid; grid-template-columns: 220px 1fr; gap: 1.2rem; background: #fff;
  border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
}
.content-card img { width: 100%; height: 100%; object-fit: cover; min-height: 160px; background: var(--sand); }
.content-card .body { padding: 1.2rem 1.2rem 1.2rem 0; }
.content-card h2 { margin: .3rem 0 .5rem; font-size: 1.35rem; }
.prose-page { max-width: 820px; padding-bottom: 4rem; font-size: 1.12rem; }
.prose-page .meta { color: var(--muted); margin-bottom: 1rem; }
.prose { line-height: 1.75; color: #2a2a2a; }
.prose p { margin: 0 0 1rem; }
.prose h2, .prose h3, .prose h4 { font-family: var(--font-display); margin: 1.4rem 0 .7rem; line-height: 1.2; }
.prose ul, .prose ol { margin: 0 0 1rem 1.2rem; }
.prose a { color: #144ea2; text-decoration: underline; }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 1rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: .55rem .7rem; text-align: left; }
.prose img { max-width: 100%; border-radius: 12px; margin: .5rem 0 1rem; }
.prose blockquote {
  margin: 0 0 1rem; padding: .85rem 1rem; border-left: 4px solid var(--gold);
  background: rgba(245,196,0,.12); border-radius: 0 12px 12px 0;
}
.faq-answer { margin-top: .65rem; }
.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding-bottom: 4rem;
}
.gallery-grid figure {
  margin: 0; border-radius: 16px; overflow: hidden; background: #fff; border: 1px solid var(--line);
}
.gallery-grid img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.gallery-grid figcaption { padding: .9rem 1rem; color: var(--muted); font-size: 1rem; }
.form-card {
  max-width: 680px; background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 1.6rem; margin-bottom: 4rem; font-size: 1.05rem;
}
.contact-section { padding-bottom: 4rem; }
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}
.contact-form-card {
  max-width: none;
  margin-bottom: 0;
  height: 100%;
}
.contact-address { margin: 0 0 .35rem; font-weight: 700; }
.contact-meta { margin: 0; color: var(--muted); }
.contact-map-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: .85rem;
  min-height: 100%;
  box-shadow: 0 10px 30px rgba(0,0,0,.04);
}
.contact-map-head h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  margin: 0 0 .25rem;
  letter-spacing: -.02em;
}
.contact-map-head p { margin: 0; color: var(--muted); font-size: 1rem; }
.contact-map-frame {
  flex: 1;
  min-height: 420px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #efebe3;
  z-index: 0;
}
.contact-map-frame .leaflet-container {
  width: 100%;
  height: 100%;
  min-height: 420px;
  font: inherit;
}
.contact-map-frame .leaflet-control-attribution {
  font-size: .68rem;
  background: rgba(255,255,255,.85);
}
.contact-map-link { font-weight: 700; align-self: flex-start; }
.form-grid { display: grid; gap: .95rem; }
label { display: grid; gap: .35rem; font-weight: 700; font-size: 1rem; }
input, textarea, select {
  width: 100%; padding: .85rem .95rem; border-radius: 12px; border: 1px solid var(--line);
  font: inherit; background: #fff;
}
textarea { min-height: 150px; resize: vertical; }
.flash { margin: 1rem auto; padding: .9rem 1.05rem; border-radius: 12px; font-size: 1.05rem; }
.flash-success { background: #e8f8ef; color: var(--ok); }
.flash-error { background: #fef3f2; color: var(--danger); }

.cta-panel {
  border-radius: 28px; padding: 2.2rem 1.6rem; text-align: center; color: #fff;
  background:
    linear-gradient(120deg, rgba(0,0,0,.82), rgba(42,35,8,.7)),
    var(--cta-img, none) center/cover no-repeat;
  box-shadow: var(--shadow);
}
.cta-panel p { color: rgba(255,255,255,.9); max-width: 36rem; margin: .7rem auto 1.15rem; font-size: 1.15rem; }

.site-footer {
  background: var(--bg-deep); color: rgba(255,255,255,.86); padding: 2.4rem 0 1.4rem; margin-top: 1.25rem;
}
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; }
.brand-footer .brand-mark { color: #fff; }
.brand-footer .brand-sub { color: rgba(255,255,255,.7); }
.footer-bottom { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.12); font-size: .98rem; }

[data-reveal] {
  opacity: 0; transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@media (max-width: 980px) {
  .about-grid, .agenda-grid, .stats-grid, .events-grid, .eco-grid,
  .footer-grid, .content-card, .pillars-grid, .mascot-panel, .venue-mosaic {
    grid-template-columns: 1fr 1fr;
  }
  .venue-mosaic { grid-template-rows: auto; }
  .venue-mosaic figure:first-child { grid-row: auto; min-height: 240px; }
  .agenda-grid { grid-template-columns: 1fr 1fr; }
  .updates-list { grid-template-columns: 1fr; }
  .update-row { grid-template-columns: 120px 1fr; }
  .content-card { grid-template-columns: 1fr; }
  .content-card .body { padding: 1rem; }
}
@media (max-width: 760px) {
  html { font-size: 16px; }
  .site-header { padding: .55rem 0 0; }
  .header-shell { border-radius: 18px; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none; position: absolute; left: 1rem; right: 1rem; top: 86px;
    background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 1rem;
    flex-direction: column; align-items: flex-start; box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .about-grid, .agenda-grid, .stats-grid, .events-grid, .eco-grid,
  .footer-grid, .timeline, .pillars-grid, .mascot-panel, .venue-mosaic, .gallery-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .contact-map-frame,
  .contact-map-frame .leaflet-container { min-height: 320px; }
  .hero-slider {
    border-radius: 18px;
    height: clamp(250px, calc(100vh - 230px), 420px);
    max-height: 420px;
  }
  .hero-slide { padding: 1.8rem 0 4.5rem; }
  .hero-copy h1 { font-size: clamp(1.75rem, 7vw, 2.35rem); }
  .hero-logo { height: 44px; margin-bottom: .55rem; }
  .countdown-bar { margin-top: -2.2rem; }
  .countdown-inner { justify-content: center; text-align: center; padding: .9rem 1rem; }
  .countdown-units { gap: .75rem; width: 100%; justify-content: space-between; }
  .countdown-units div { min-width: 0; flex: 1; }
  .countdown-units strong { font-size: 1.35rem; }
  .update-row { grid-template-columns: 1fr; }
  .update-row img { height: 160px; }
  .update-row > div { padding: 1rem; }
}