:root {
  --bg: #070816;
  --bg-soft: rgba(255, 255, 255, 0.08);
  --panel: rgba(13, 17, 38, 0.5);
  --panel-strong: rgba(17, 21, 46, 0.72);
  --text: #f3f5ff;
  --muted: rgba(230, 236, 255, 0.72);
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --accent-a: #7c5cff;
  --accent-b: #2be4ff;
  --accent-c: #ff6bd6;
  --accent-d: #ffd166;
}

body.theme-ember {
  --accent-a: #ff7a18;
  --accent-b: #ff3cac;
  --accent-c: #7b61ff;
  --accent-d: #ffe66d;
}

body.theme-tide {
  --accent-a: #4facfe;
  --accent-b: #00f2fe;
  --accent-c: #00ffa3;
  --accent-d: #b2f7ef;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(124, 92, 255, 0.16), transparent 30%),
    radial-gradient(circle at top right, rgba(43, 228, 255, 0.12), transparent 28%),
    linear-gradient(180deg, #050611 0%, #090b18 45%, #06070d 100%);
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
  opacity: 0.28;
  pointer-events: none;
}

.noise {
  position: fixed;
  inset: 0;
  opacity: 0.08;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.22) 0 1px, transparent 1px),
    radial-gradient(circle at 70% 35%, rgba(255,255,255,0.16) 0 1px, transparent 1px),
    radial-gradient(circle at 30% 80%, rgba(255,255,255,0.12) 0 1px, transparent 1px);
  background-size: 180px 180px;
  mix-blend-mode: screen;
}

.gradient-orb {
  position: fixed;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.28;
  pointer-events: none;
  animation: drift 14s ease-in-out infinite alternate;
}

.orb-a {
  top: -8rem;
  left: -10rem;
  background: radial-gradient(circle, var(--accent-a), transparent 62%);
}

.orb-b {
  top: 24rem;
  right: -12rem;
  background: radial-gradient(circle, var(--accent-b), transparent 60%);
  animation-duration: 18s;
}

.orb-c {
  bottom: -10rem;
  left: 22%;
  background: radial-gradient(circle, var(--accent-c), transparent 58%);
  animation-duration: 22s;
}

.pointer-glow {
  position: fixed;
  width: 18rem;
  height: 18rem;
  margin-left: -9rem;
  margin-top: -9rem;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255,255,255,0.16), rgba(255,255,255,0.02) 45%, transparent 72%);
  mix-blend-mode: screen;
  opacity: 0.75;
  z-index: 1;
}

.particle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.55;
  z-index: 0;
}

.topbar,
.section,
.footer {
  position: relative;
  z-index: 2;
}

.topbar {
  width: min(1180px, calc(100% - 32px));
  margin: 20px auto 0;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-b), var(--accent-c));
  box-shadow: 0 0 18px var(--accent-b), 0 0 40px var(--accent-c);
}

.brand-eyebrow,
.brand-sub,
.eyebrow,
.scene-tag,
.metric-card span,
.footer,
.section-note {
  letter-spacing: 0.08em;
}

.brand-eyebrow,
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  color: rgba(255,255,255,0.74);
  font-size: 0.74rem;
}

.brand-sub {
  margin: 2px 0 0;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.52);
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a,
.footer {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 0.92rem;
}

.ghost-button,
.primary-button,
.secondary-button {
  border-radius: 999px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.ghost-button {
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  padding: 12px 16px;
  cursor: pointer;
}

.primary-button,
.secondary-button {
  text-decoration: none;
  padding: 14px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent-a), var(--accent-c));
  color: white;
  box-shadow: 0 18px 40px rgba(124, 92, 255, 0.28);
}

.secondary-button {
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.05);
}

.glass-panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
}

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 84px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 42px;
  min-height: calc(100vh - 110px);
}

.hero-copy h1 {
  margin: 16px 0 18px;
  font-size: clamp(3rem, 7vw, 6.25rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.hero-text {
  max-width: 40rem;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-stage {
  position: relative;
  min-height: 620px;
  border-radius: 34px;
  overflow: hidden;
  padding: 30px;
}

.stage-grid,
.stage-ring {
  position: absolute;
  inset: 0;
}

.stage-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 88%);
  animation: pulseGrid 12s linear infinite;
}

.stage-ring {
  inset: 12%;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow:
    0 0 40px rgba(124,92,255,0.22),
    inset 0 0 40px rgba(43,228,255,0.12);
}

.stage-core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  background: radial-gradient(circle, rgba(255,255,255,0.16), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 0 60px rgba(124,92,255,0.22);
}

.stage-core p,
.stage-core span {
  margin: 0;
  color: rgba(255,255,255,0.66);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.stage-core h2 {
  margin: 6px 0;
  font-size: 5rem;
  line-height: 1;
}

.floating-card {
  position: absolute;
  min-width: 180px;
  padding: 18px 18px 16px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: 0 18px 40px rgba(0,0,0,0.28);
  backdrop-filter: blur(18px);
}

.floating-card p,
.floating-card span {
  margin: 0;
  color: rgba(255,255,255,0.66);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.floating-card strong {
  display: block;
  margin: 8px 0 6px;
  font-size: 2.5rem;
}

.card-alpha { top: 8%; left: 4%; animation: floatCard 8s ease-in-out infinite; }
.card-beta { right: 4%; top: 18%; animation: floatCard 11s ease-in-out infinite reverse; }
.card-gamma { left: 12%; bottom: 8%; animation: floatCard 9s ease-in-out infinite 0.8s; }

.section-heading {
  max-width: 52rem;
  margin-bottom: 28px;
}

.section-heading h2,
.manifesto h2 {
  margin: 12px 0 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.split {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
}

.section-note,
.manifesto p,
.metric-card p,
.scene-card p {
  color: var(--muted);
  line-height: 1.75;
}

.metric-grid,
.gallery-grid {
  display: grid;
  gap: 18px;
}

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

.metric-card,
.scene-card,
.manifesto {
  border-radius: 28px;
}

.metric-card {
  padding: 24px;
  min-height: 220px;
}

.metric-card strong {
  display: block;
  margin: 20px 0 14px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.05em;
}

.accent-card {
  background: linear-gradient(135deg, rgba(124,92,255,0.2), rgba(43,228,255,0.1), rgba(255,255,255,0.06));
}

.gallery-grid {
  grid-template-columns: 1.2fr 1fr 1fr;
  grid-auto-rows: 250px;
}

.scene-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  transform-style: preserve-3d;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.scene-card::before {
  content: '';
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.16), transparent 35%);
  opacity: 0;
  transition: opacity 220ms ease;
}

.scene-card:hover {
  transform: translateY(-6px) rotateX(4deg) rotateY(-4deg);
  border-color: rgba(255,255,255,0.24);
  box-shadow: 0 24px 70px rgba(0,0,0,0.34), 0 0 30px rgba(124,92,255,0.14);
}

.scene-card:hover::before {
  opacity: 1;
}

.scene-card.is-active {
  border-color: rgba(255,255,255,0.3);
  box-shadow: 0 24px 70px rgba(0,0,0,0.34), 0 0 34px rgba(124,92,255,0.18);
}

.scene-large {
  grid-row: span 2;
  min-height: 518px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04)),
    radial-gradient(circle at top right, rgba(43,228,255,0.24), transparent 35%),
    radial-gradient(circle at bottom left, rgba(124,92,255,0.24), transparent 34%);
}

.scene-tag {
  color: rgba(255,255,255,0.72);
  font-size: 0.74rem;
  text-transform: uppercase;
}

.scene-card h3 {
  margin: 18px 0 10px;
  font-size: 1.8rem;
}

.scene-detail {
  margin-top: 20px;
  padding: 24px 26px;
}

.scene-detail h3 {
  margin: 10px 0 6px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.manifesto {
  padding: 34px;
  margin-top: 14px;
}

.footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 44px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.ghost-button:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
}

@keyframes drift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(24px, -32px, 0) scale(1.08); }
}

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

@keyframes pulseGrid {
  0% { transform: scale(1) rotate(0deg); opacity: 0.72; }
  50% { transform: scale(1.04) rotate(0.8deg); opacity: 0.9; }
  100% { transform: scale(1) rotate(0deg); opacity: 0.72; }
}

@media (max-width: 1100px) {
  .hero,
  .metric-grid,
  .gallery-grid,
  .split,
  .footer,
  .topbar {
    grid-template-columns: 1fr !important;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    min-height: auto;
    padding-top: 40px;
  }

  .metric-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr !important;
  }

  .scene-large {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 320px;
  }

  .hero-stage {
    min-height: 500px;
    width: 100%;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 64px 0;
  }

  .topbar {
    margin-top: 14px;
  }

  .nav-links {
    display: none;
  }

  .metric-grid,
  .gallery-grid {
    grid-template-columns: 1fr !important;
  }

  .hero-copy h1 {
    font-size: clamp(2.7rem, 14vw, 4.2rem);
  }

  .hero-stage {
    min-height: 460px;
    padding: 18px;
  }

  .stage-core {
    width: 12rem;
    height: 12rem;
  }

  .stage-core h2 {
    font-size: 3.7rem;
  }

  .floating-card {
    min-width: 140px;
    padding: 14px;
  }

  .floating-card strong {
    font-size: 2rem;
  }

  .manifesto {
    padding: 24px;
  }

  .footer {
    padding-bottom: 30px;
  }
}