/* HELIX Stars — Demo library
   Dark, sophisticated, understated. Matches the in-product aesthetic. */

:root {
  --bg: #07090d;
  --bg-1: #0b0e14;
  --bg-2: #0f131b;
  --bg-3: #141823;
  --border: rgba(148, 163, 184, 0.10);
  --border-strong: rgba(148, 163, 184, 0.20);
  --text: #e7ecf3;
  --text-dim: #9aa4b2;
  --text-mute: #6b7485;
  --accent: #7dd3fc;   /* sky-300 */
  --accent-2: #a78bfa; /* violet-400 */
  --accent-warm: #fbbf24;
  --live: #34d399;
  --danger: #f87171;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,0.6);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11", "ss01";
}

body {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 1200px 600px at 20% -10%, rgba(125, 211, 252, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 1000px 500px at 90% 100%, rgba(167, 139, 250, 0.05) 0%, transparent 60%),
    var(--bg);
}

.noise {
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.02 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  pointer-events: none;
  opacity: 0.6;
  z-index: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { opacity: 0.85; }

/* ============ GATE ============ */

.gate-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.gate {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  padding: 48px 40px;
  background: linear-gradient(180deg, rgba(20, 24, 35, 0.8), rgba(11, 14, 20, 0.95));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,0.04);
  backdrop-filter: blur(10px);
}

.gate-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 36px;
}

.gate-brand-name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.gate-brand-sub {
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 2px;
  letter-spacing: 0.02em;
}

.gate-title {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  line-height: 1.15;
}

.gate-subtitle {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0 0 28px;
}

.gate-form { display: flex; flex-direction: column; gap: 12px; }

.gate-input {
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  background: var(--bg-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease, background 150ms ease;
}
.gate-input::placeholder { color: var(--text-mute); }
.gate-input:focus {
  border-color: rgba(125, 211, 252, 0.5);
  box-shadow: 0 0 0 4px rgba(125, 211, 252, 0.08);
  background: var(--bg-3);
}

.gate-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 20px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #0a0e14;
  background: linear-gradient(180deg, #cfe9fb, #7dd3fc);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 80ms ease, filter 150ms ease, box-shadow 150ms ease;
  box-shadow: 0 6px 20px -8px rgba(125, 211, 252, 0.6);
}
.gate-btn:hover { filter: brightness(1.04); }
.gate-btn:active { transform: translateY(1px); }

.gate-error {
  min-height: 18px;
  font-size: 13px;
  color: var(--danger);
  margin-top: 4px;
}

.gate-footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-mute);
  line-height: 1.5;
}

/* ============ HOME (grid) ============ */

.home-body {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(7, 9, 13, 0.75);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.header-brand-mark {
  width: 28px; height: 28px;
}

.header-brand-text {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.header-brand-sub {
  font-size: 11px;
  color: var(--text-mute);
  margin-top: 1px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-dim);
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--live);
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: 100px;
}
.live-dot::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--live);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52,211,153,0.7); }
  70% { box-shadow: 0 0 0 8px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 72px 32px 40px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0 0 20px;
  max-width: 880px;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 0 16px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 28px;
  font-size: 13px;
  color: var(--text-mute);
}
.hero-meta span::before {
  content: "•";
  margin-right: 10px;
  color: var(--text-mute);
  opacity: 0.5;
}
.hero-meta span:first-child::before { content: ""; margin: 0; }

.grid-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 32px 100px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin: 0;
}

.section-count {
  font-size: 13px;
  color: var(--text-mute);
  font-variant-numeric: tabular-nums;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.card.available:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

.card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--bg-3);
  overflow: hidden;
}

.card-thumb-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 600ms ease;
}

.card.available:hover .card-thumb-bg { transform: scale(1.03); }

.card-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,9,13,0) 40%, rgba(7,9,13,0.85) 100%);
}

.card-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px -4px rgba(0,0,0,0.5);
  transition: transform 200ms ease;
}
.card.available:hover .card-play { transform: translate(-50%, -50%) scale(1.08); }
.card-play svg { margin-left: 3px; }

.card-duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 500;
  color: #fff;
  background: rgba(0,0,0,0.65);
  border-radius: 6px;
  font-variant-numeric: tabular-nums;
}

.card-ribbon {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 6px;
}
.card-ribbon.available {
  color: var(--live);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.25);
}
.card-ribbon.coming {
  color: var(--accent-warm);
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.25);
}
.card-ribbon.planned {
  color: var(--text-mute);
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.15);
}

.card-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.card-num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-variant-numeric: tabular-nums;
}

.card-title {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.3;
  color: var(--text);
}

.card-desc {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 14px;
}
.card-tag {
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  background: rgba(148, 163, 184, 0.06);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.card.unavailable { opacity: 0.75; cursor: default; }
.card.unavailable .card-thumb-bg { filter: grayscale(100%) brightness(0.55); }
.card.unavailable .card-play { display: none; }

/* Thumb synthetic backgrounds (when we don't have a real poster yet) */
.thumb-gradient-1 {
  background: radial-gradient(ellipse at 30% 20%, rgba(125, 211, 252, 0.25), transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(167, 139, 250, 0.22), transparent 50%),
              linear-gradient(135deg, #0b1220, #151a2b);
}
.thumb-gradient-2 {
  background: radial-gradient(ellipse at 80% 20%, rgba(251, 191, 36, 0.2), transparent 50%),
              radial-gradient(ellipse at 20% 80%, rgba(248, 113, 113, 0.18), transparent 50%),
              linear-gradient(135deg, #1a0f12, #2a1a1e);
}
.thumb-gradient-3 {
  background: radial-gradient(ellipse at 50% 20%, rgba(52, 211, 153, 0.2), transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(125, 211, 252, 0.18), transparent 50%),
              linear-gradient(135deg, #0a1a1a, #132028);
}
.thumb-gradient-4 {
  background: radial-gradient(ellipse at 70% 30%, rgba(167, 139, 250, 0.22), transparent 50%),
              radial-gradient(ellipse at 30% 70%, rgba(236, 72, 153, 0.18), transparent 50%),
              linear-gradient(135deg, #140b1f, #1f1428);
}
.thumb-gradient-5 {
  background: radial-gradient(ellipse at 40% 40%, rgba(251, 191, 36, 0.18), transparent 50%),
              radial-gradient(ellipse at 60% 60%, rgba(52, 211, 153, 0.16), transparent 50%),
              linear-gradient(135deg, #1a1510, #241d14);
}

/* Synthetic poster text */
.thumb-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  text-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

/* ============ DEMO DETAIL PAGE ============ */

.detail-body {
  position: relative;
  z-index: 1;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-dim);
}
.back-link:hover { color: var(--text); }

.detail-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 32px 100px;
}

.detail-head {
  margin-bottom: 28px;
}

.detail-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.detail-title {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin: 0 0 14px;
}

.detail-subtitle {
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.55;
  max-width: 780px;
  margin: 0;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-mute);
}
.detail-meta span::before {
  content: "•";
  margin-right: 14px;
  opacity: 0.5;
}
.detail-meta span:first-child::before { content: ""; margin: 0; }

.player {
  margin: 28px 0 48px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow);
}

.player video {
  display: block;
  width: 100%;
  height: auto;
}

.detail-cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
}

@media (max-width: 860px) {
  .detail-cols { grid-template-columns: 1fr; gap: 28px; }
}

.col h2 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.col p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0 0 14px;
}

.col p strong { color: var(--text); font-weight: 600; }

.chapter-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chapter-list li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 12px;
  padding: 10px 10px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-dim);
  transition: background 150ms ease;
}
.chapter-list li:hover { background: rgba(148, 163, 184, 0.04); }

.chapter-time {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  font-weight: 500;
  font-size: 13px;
}

.chapter-text strong {
  display: block;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 2px;
  font-size: 14px;
}

/* Coming soon / placeholder detail */
.placeholder-box {
  padding: 40px 32px;
  background: var(--bg-1);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--text-dim);
}
.placeholder-box h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 8px;
}
.placeholder-box p {
  font-size: 14px;
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto;
}

/* ============ FOOTER ============ */

.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 32px 48px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-mute);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ RESPONSIVE ============ */

@media (max-width: 640px) {
  .hero { padding: 48px 24px 28px; }
  .grid-section { padding: 24px 24px 80px; }
  .site-header-inner { padding: 14px 20px; }
  .detail-wrap { padding: 32px 24px 72px; }
  .grid { grid-template-columns: 1fr; }
}