:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-2: #0c1830;
  --panel: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.16);
  --text: #eef3ff;
  --muted: rgba(238, 243, 255, 0.74);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
  --radius-xl: 32px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(89, 147, 255, 0.18), transparent 30%),
    linear-gradient(160deg, var(--bg), var(--bg-2) 55%, #060b15 100%);
  color: var(--text);
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.34;
  pointer-events: none;
}
.ambient-a { top: -10rem; right: -10rem; background: rgba(0, 173, 181, 0.22); }
.ambient-b { bottom: -14rem; left: -10rem; background: rgba(123, 97, 255, 0.2); }

.page-shell {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 48px 0 60px;
}

.hero { margin-bottom: 28px; }
.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--muted);
}
.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  line-height: 0.98;
}
.hero-copy {
  max-width: 720px;
  margin: 16px 0 0;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--muted);
}

.gallery {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
}

.carousel-viewport { overflow: hidden; }
.track {
  display: flex;
  gap: 18px;
  transition: transform 420ms cubic-bezier(.2,.8,.2,1);
  will-change: transform;
}
.slide {
  min-width: 100%;
  display: grid;
  place-items: center;
}

.stage-card,
.nav-button,
.dots button {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.06));
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
}

.stage-card {
  width: min(100%, 1080px);
  border-radius: var(--radius-xl);
  padding: 18px;
}
.landscape-card { max-width: 1080px; }
.portrait-card { max-width: 560px; }

.video-shell {
  position: relative;
  border-radius: calc(var(--radius-xl) - 10px);
  overflow: hidden;
  background: rgba(2, 7, 18, 0.88);
  display: grid;
  place-items: center;
}
.landscape-shell {
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: min(56vw, 640px);
}
.portrait-shell {
  width: 100%;
  aspect-ratio: 9 / 16;
  min-height: min(78vw, 760px);
}

.gallery-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #030814;
  display: block;
}

.sound-toggle {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 2;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(7, 17, 31, 0.72);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}
.sound-toggle:hover { background: rgba(12, 24, 48, 0.88); }

.slide-copy {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 6px 2px;
}
.portrait-copy { align-items: start; }
.meta-label {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--text);
}
.slide-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}
.counter {
  margin: 0;
  white-space: nowrap;
  color: var(--muted);
}

.nav-button {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  color: var(--text);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 2rem;
  line-height: 1;
}
.nav-button:hover { transform: translateY(-1px); }

.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 8px 0;
}
.dots {
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
}
.dots button {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  padding: 0;
  cursor: pointer;
  opacity: 0.65;
}
.dots button.is-active {
  width: 42px;
  opacity: 1;
}
.status-text {
  margin: 0;
  color: var(--muted);
  text-align: right;
}

@media (max-width: 980px) {
  .gallery { grid-template-columns: 1fr; }
  .nav-button { display: none; }
  .controls-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .status-text { text-align: left; }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 20px, 1240px);
    padding-top: 28px;
    padding-bottom: 36px;
  }
  .hero-copy { font-size: 0.98rem; }
  .stage-card { padding: 12px; }
  .slide-copy {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 4px 2px;
  }
  .landscape-shell,
  .portrait-shell { min-height: auto; }
}