:root {
  --bg: #050816;
  --surface: rgba(15, 23, 42, 0.72);
  --text: #e6edff;
  --muted: #b6c4e6;
  --primary: #3b82f6;
  --secondary: #06b6d4;
  --accent-warm: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.35);
  --line: rgba(255, 255, 255, 0.16);
  --card: rgba(10, 18, 38, 0.62);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  background: radial-gradient(circle at 80% -20%, #183772 0, transparent 40%), var(--bg);
  color: var(--text);
  line-height: 1.55;
  scroll-behavior: smooth;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  position: relative;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(3, 7, 18, 0.58);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: cover;
  display: block;
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.28);
}

.brand-text {
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav a {
  color: var(--muted);
  font-weight: 500;
}

.nav a:hover {
  color: white;
}

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: white;
  padding: 0.45rem 0.8rem;
  font-weight: 600;
}

.hero {
  position: relative;
  min-height: 90vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(5, 8, 22, 0.9) 25%, rgba(5, 8, 22, 0.6) 58%, rgba(5, 8, 22, 0.8) 100%),
    radial-gradient(circle at 18% 22%, rgba(59, 130, 246, 0.45), transparent 42%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 5.5rem 0 4.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(1.75rem, 4vw, 3.25rem);
  align-items: center;
}

.hero-text {
  min-width: 0;
}

.hero-visual {
  position: relative;
  min-width: 0;
  justify-self: end;
  width: 100%;
  max-width: 520px;
}

.exhibition-glow {
  position: absolute;
  inset: -18% -12% -8% -8%;
  background:
    radial-gradient(ellipse 70% 55% at 50% 88%, var(--accent-glow), transparent 55%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(6, 182, 212, 0.22), transparent 50%),
    radial-gradient(ellipse 45% 50% at 10% 40%, rgba(59, 130, 246, 0.2), transparent 45%);
  filter: blur(2px);
  pointer-events: none;
  z-index: 0;
}

.exhibition-frame {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0.55rem;
  border-radius: 20px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.22) 0%,
    rgba(245, 158, 11, 0.15) 35%,
    rgba(6, 182, 212, 0.18) 70%,
    rgba(255, 255, 255, 0.08) 100%
  );
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.exhibition-frame__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 3;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0f172a;
  background: linear-gradient(135deg, #fde68a, #fbbf24);
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.exhibition-frame__inner {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(15, 23, 42, 0.5);
  line-height: 0;
}

.exhibition-frame__img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.65s ease;
}

.exhibition-frame:hover .exhibition-frame__img {
  transform: scale(1.06);
}

.exhibition-frame__caption {
  margin: 0.65rem 0.35rem 0.15rem;
  font-size: 0.78rem;
  color: rgba(182, 196, 230, 0.92);
  line-height: 1.45;
  text-align: center;
}

.exhibition-frame__caption code {
  font-size: 0.76em;
  padding: 0.12rem 0.32rem;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
}

.eyebrow {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.hero h1 {
  margin: 1rem 0 0.75rem;
  max-width: 760px;
  font-size: clamp(2.1rem, 5vw, 3.7rem);
  line-height: 1.1;
}

.hero-copy {
  max-width: 780px;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 0.78rem 1.1rem;
  border: 1px solid transparent;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.stats {
  margin-top: 2.75rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.stats article {
  border: 1px solid var(--line);
  background: rgba(9, 16, 33, 0.62);
  border-radius: 14px;
  padding: 0.95rem;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.stats article:hover {
  border-color: rgba(245, 158, 11, 0.35);
  box-shadow: 0 0 0 1px rgba(6, 182, 212, 0.12);
  transform: translateY(-2px);
}

.stats h3 {
  margin: 0 0 0.25rem;
}

.stats p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 4.2rem 0;
}

.section.soft {
  background: rgba(9, 15, 31, 0.45);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section h2 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
}

.section-copy {
  margin: 0.55rem 0 1.8rem;
  color: var(--muted);
  max-width: 760px;
}

.grid {
  display: grid;
  gap: 1rem;
}

.cards-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 14px;
  padding: 1.1rem 1.05rem;
}

.card h3 {
  margin: 0 0 0.35rem;
}

.card p,
.card li {
  color: var(--muted);
}

.card ul {
  margin: 0.45rem 0 0;
  padding-left: 1.1rem;
}

.timeline {
  margin-top: 1.4rem;
  border-left: 2px dashed rgba(148, 163, 184, 0.35);
  padding-left: 1rem;
  display: grid;
  gap: 1rem;
}

.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0.8rem;
  align-items: start;
}

.step span {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.step h3 {
  margin: 0;
}

.step p {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.cta {
  text-align: center;
}

.cta-wrap {
  max-width: 900px;
}

.cta p {
  color: var(--muted);
}

.cta .hero-cta {
  justify-content: center;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1.3rem 0;
  background: rgba(3, 7, 18, 0.8);
}

.footer-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  color: #93a6d3;
  font-size: 0.95rem;
}

@media (max-width: 950px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-visual {
    justify-self: center;
    max-width: 480px;
  }

  .exhibition-glow {
    inset: -10% -5% -5% -5%;
  }

  .cards-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  .menu-btn {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    top: 72px;
    right: 1.25rem;
    left: 1.25rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.9rem;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(3, 7, 18, 0.95);
  }

  .nav.open {
    display: flex;
  }

  .cards-3,
  .cards-2 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.3rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .exhibition-frame:hover .exhibition-frame__img {
    transform: scale(1.02);
  }

  .stats article:hover {
    transform: none;
  }
}