/* Coconet Studio — Prestige Scoring Suite
   Astra-inspired editorial system · film-title typography · cinematic immersion */

:root {
  /* —— Surfaces (scoring-suite charcoal/navy) —— */
  --suite: #0b1116;
  --suite-lift: #0f151c;
  --suite-panel: #141a22;
  --suite-raised: #1a222c;
  --suite-elevated: #222b36;

  /* —— Ink —— */
  --ink: #f0eee8;
  --ink-soft: #c4c0b6;
  --ink-muted: #8a8680;
  --ink-faint: #5c5a56;

  /* —— Amber metering (studio accent / Protocol Winter window glow) —— */
  --amber: #e8a04a;
  --amber-hot: #f0b45c;
  --amber-dim: #c47a2c;
  --amber-glow: rgba(232, 160, 74, 0.28);
  --amber-soft: rgba(232, 160, 74, 0.12);

  /* —— Ice (Protocol Winter world) —— */
  --ice: #7eb8c9;
  --ice-bright: #a8d4e0;
  --ice-deep: #3d7a8c;
  --ice-glow: rgba(126, 184, 201, 0.22);
  --ice-soft: rgba(126, 184, 201, 0.1);
  --teal: #4a9aaa;
  --frost: #d4e8ef;

  /* —— Gold (Aurea / Listen world) —— */
  --gold: #d4a84b;
  --gold-hot: #e8c06a;
  --gold-dim: #a87e2e;
  --gold-glow: rgba(212, 168, 75, 0.25);
  --gold-soft: rgba(212, 168, 75, 0.1);

  /* —— Meter —— */
  --meter-green: #6bbf7a;
  --meter-red: #d45a4a;

  /* —— Lines & glass —— */
  --line: rgba(240, 238, 232, 0.07);
  --line-strong: rgba(240, 238, 232, 0.14);
  --line-amber: rgba(232, 160, 74, 0.3);
  --line-ice: rgba(126, 184, 201, 0.28);
  --glass: rgba(11, 17, 22, 0.75);
  --glass-nav: rgba(15, 21, 28, 0.88);
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-lift: 0 28px 72px rgba(0, 0, 0, 0.6);

  /* —— Type —— */
  --font-display: "Cinzel", "Cormorant Garamond", "Instrument Serif", Georgia, serif;
  --font-serif: "Cormorant Garamond", "Instrument Serif", Georgia, serif;
  --font-sans: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", ui-monospace, Consolas, monospace;
  --font-ml: "Noto Sans Malayalam", "Manjari", var(--font-sans);

  /* —— Scale —— */
  --text-xs: 0.7rem;
  --text-sm: 0.875rem;
  --text-base: 1.0625rem;
  --text-lg: clamp(1.1rem, 2vw, 1.28rem);
  --text-xl: clamp(1.35rem, 2.4vw, 1.65rem);
  --text-2xl: clamp(1.75rem, 3.5vw, 2.45rem);
  --text-3xl: clamp(2.4rem, 6vw, 3.85rem);
  --text-4xl: clamp(2.8rem, 7.5vw, 4.75rem);
  --tracking-title: 0.08em;
  --tracking-wide: 0.18em;
  --tracking-label: 0.2em;

  /* —— Space —— */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6.5rem;
  --max: 72rem;
  --max-narrow: 42rem;
  --pad: clamp(1.25rem, 4.5vw, 2.75rem);
  --header-h: 4.5rem;
  --section-y: clamp(3.5rem, 8vw, 6.5rem);

  /* —— Shape & motion —— */
  --radius: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.55s;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--suite);
  background-image:
    radial-gradient(ellipse 90% 60% at 50% -20%, rgba(232, 160, 74, 0.06), transparent 50%),
    radial-gradient(ellipse 50% 40% at 100% 80%, rgba(126, 184, 201, 0.035), transparent 45%),
    radial-gradient(ellipse 40% 35% at 0% 60%, rgba(232, 160, 74, 0.025), transparent 40%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg width='28' height='28' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='3' cy='3' r='0.9' fill='%23e8a04a'/%3E%3Ccircle cx='17' cy='3' r='0.9' fill='%23e8a04a'/%3E%3Ccircle cx='3' cy='17' r='0.9' fill='%23e8a04a'/%3E%3Ccircle cx='17' cy='17' r='0.9' fill='%23e8a04a'/%3E%3C/svg%3E");
  background-size: 28px 28px;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(ellipse 80% 70% at 50% 35%, transparent 40%, rgba(6, 10, 14, 0.7) 100%);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--amber);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s var(--ease-out);
}

a:hover {
  color: var(--amber-hot);
}

a:focus-visible,
button:focus-visible,
.nav-toggle:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: var(--pad);
  top: -100px;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--amber);
  color: var(--suite);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 0.75rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* —— Typography —— */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.12;
  color: var(--ink);
  margin: 0 0 0.75em;
  letter-spacing: var(--tracking-title);
  text-wrap: balance;
}

h1 {
  font-size: var(--text-3xl);
  letter-spacing: 0.06em;
  font-weight: 500;
}

h2 {
  font-size: var(--text-2xl);
  letter-spacing: 0.05em;
}

h3 {
  font-size: var(--text-xl);
  letter-spacing: 0.04em;
  font-family: var(--font-serif);
}

.film-title {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: var(--text-4xl);
  line-height: 1.05;
}

.lab-label,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}

.lab-label::before,
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: linear-gradient(90deg, var(--amber-dim), var(--amber-hot));
  box-shadow: 0 0 10px var(--amber-glow);
  flex-shrink: 0;
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: var(--max-narrow);
  font-weight: 400;
}

.muted {
  color: var(--ink-muted);
}

.meta-line {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}

p {
  margin: 0 0 1.1em;
}

p:last-child {
  margin-bottom: 0;
}

.ml {
  font-family: var(--font-ml);
}

/* —— Layout —— */
.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

main {
  flex: 1;
  width: 100%;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--section-y) var(--pad);
}

.section + .section {
  padding-top: 0;
}

.section-head {
  margin-bottom: var(--space-7);
  max-width: 40rem;
}

.page-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: calc(var(--header-h) + var(--space-8)) var(--pad) var(--space-7);
}

.page-hero h1 {
  margin-bottom: 0.85em;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: var(--space-6);
}

.mt {
  margin-top: var(--space-6);
}

.mt-lg {
  margin-top: var(--space-7);
}

/* —— Header / Nav —— */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--glass-nav);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber-soft), transparent);
  opacity: 0.6;
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  flex-shrink: 0;
}

.logo:hover {
  color: inherit;
}

.logo-mark {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}

.logo-sub {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  border-radius: var(--radius);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.15rem 1.15rem;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-muted);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s var(--ease-out);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav a[aria-current="page"] {
  color: var(--amber);
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-parent {
  font-size: 0.8rem;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.nav-sep {
  color: var(--ink-faint);
  font-size: 0.7rem;
}

.nav-child {
  font-size: 0.8rem !important;
}

.soon-tag {
  font-size: 0.65rem;
  color: var(--ink-faint);
  font-weight: 400;
  letter-spacing: 0.06em;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.25s var(--ease-out), border-color 0.25s, color 0.25s, box-shadow 0.25s;
}

.btn-primary {
  background: var(--amber);
  color: var(--suite);
  border-color: var(--amber);
}

.btn-primary:hover {
  background: var(--amber-hot);
  color: var(--suite);
  box-shadow: 0 0 28px var(--amber-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  color: var(--ink);
  border-color: var(--amber);
  background: var(--amber-soft);
}

.btn-ice {
  background: transparent;
  color: var(--ice-bright);
  border-color: var(--line-ice);
}

.btn-ice:hover {
  background: var(--ice-soft);
  color: var(--frost);
  border-color: var(--ice);
  box-shadow: 0 0 24px var(--ice-glow);
}

/* —— Cards & panels —— */
.card {
  background: var(--suite-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s;
}

.card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.card h3 {
  margin-bottom: 0.5em;
}

.card p {
  color: var(--ink-muted);
  font-size: 0.98rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.feature-list li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.feature-list .idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--amber);
  padding-top: 0.35rem;
}

.feature-list h3 {
  margin-bottom: 0.4em;
}

.feature-list p {
  color: var(--ink-muted);
  margin-bottom: 0.5em;
}

.rail-link a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
}

.lab-note {
  background: var(--suite-lift);
  border-left: 2px solid var(--amber);
  padding: var(--space-4) var(--space-5);
  font-size: 0.95rem;
  color: var(--ink-muted);
  max-width: 40rem;
}

.pull-quote {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space-6) var(--pad);
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-style: italic;
  line-height: 1.4;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  border: none;
  text-align: center;
}

.pull-quote cite {
  display: block;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-style: normal;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--amber);
}

/* —— Home hero —— */
.hero {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: calc(var(--header-h) + var(--space-9)) var(--pad) var(--space-8);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 40rem;
  height: 40rem;
  border-radius: 50%;
  background: radial-gradient(circle, var(--amber-glow), transparent 70%);
  top: -10%;
  right: -15%;
  pointer-events: none;
  opacity: 0.45;
  filter: blur(40px);
}

.hero-meters {
  position: absolute;
  right: var(--pad);
  top: calc(var(--header-h) + 3rem);
  display: flex;
  gap: 0.35rem;
  align-items: flex-end;
  height: 2.5rem;
  opacity: 0.55;
  pointer-events: none;
}

.hero-meters span {
  display: block;
  width: 3px;
  background: linear-gradient(to top, var(--amber-dim), var(--amber-hot));
  border-radius: 1px;
  animation: meter-pulse 2.4s var(--ease-out) infinite;
}

.hero-meters span:nth-child(1) { height: 40%; animation-delay: 0s; }
.hero-meters span:nth-child(2) { height: 70%; animation-delay: 0.2s; }
.hero-meters span:nth-child(3) { height: 55%; animation-delay: 0.4s; }
.hero-meters span:nth-child(4) { height: 90%; animation-delay: 0.1s; }
.hero-meters span:nth-child(5) { height: 45%; animation-delay: 0.35s; }
.hero-meters span:nth-child(6) { height: 65%; animation-delay: 0.15s; }

@keyframes meter-pulse {
  0%, 100% { opacity: 0.5; transform: scaleY(0.85); }
  50% { opacity: 1; transform: scaleY(1); }
}

.hero h1 {
  max-width: 18ch;
  margin-bottom: 1rem;
}

.hero .lede {
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.reveal-hero {
  opacity: 0;
  transform: translateY(1.1rem);
  transition: opacity var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
}

.hero.is-ready .reveal-hero {
  opacity: 1;
  transform: none;
}

.hero.is-ready .reveal-hero:nth-child(1) { transition-delay: 0.05s; }
.hero.is-ready .reveal-hero:nth-child(2) { transition-delay: 0.12s; }
.hero.is-ready .reveal-hero:nth-child(3) { transition-delay: 0.2s; }
.hero.is-ready .reveal-hero:nth-child(4) { transition-delay: 0.28s; }
.hero.is-ready .reveal-hero:nth-child(5) { transition-delay: 0.36s; }
.hero.is-ready .reveal-hero:nth-child(6) { transition-delay: 0.44s; }

/* —— Featured score strip —— */
.score-feature {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-6);
  align-items: center;
  background: linear-gradient(135deg, #0a141a 0%, #0e1a22 50%, #0c161c 100%);
  border: 1px solid var(--line-ice);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(126, 184, 201, 0.06);
}

.score-feature-art {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #061018;
}

.score-feature-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.score-feature-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 50%, rgba(10, 20, 26, 0.55) 100%);
  pointer-events: none;
}

.score-feature-body {
  padding: var(--space-6) var(--space-6) var(--space-6) var(--space-4);
}

.score-feature-body .eyebrow,
.score-feature-body .lab-label {
  color: var(--ice);
}

.score-feature-body .lab-label::before,
.score-feature-body .eyebrow::before {
  background: linear-gradient(90deg, var(--ice-deep), var(--ice-bright));
  box-shadow: 0 0 10px var(--ice-glow);
}

.score-feature-body h2,
.score-feature-body h3 {
  color: var(--frost);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.score-feature-body p {
  color: rgba(212, 232, 239, 0.72);
}

.status-chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line-ice);
  color: var(--ice);
  border-radius: var(--radius);
  background: var(--ice-soft);
  margin-top: var(--space-3);
}

.status-chip.warm {
  border-color: var(--line-amber);
  color: var(--amber);
  background: var(--amber-soft);
}

/* —— Scores hub —— */
.scores-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-5);
}

.score-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--suite-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.35s var(--ease-out);
}

.score-card:hover {
  color: inherit;
  border-color: var(--line-ice);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45), 0 0 40px var(--ice-glow);
  transform: translateY(-3px);
}

.score-card.featured {
  border-color: var(--line-ice);
  background: linear-gradient(160deg, #0a141a, #101c24);
}

.score-card-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #061018;
}

.score-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.score-card:hover .score-card-cover img {
  transform: scale(1.04);
}

.score-card-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.score-card-body .lab-label {
  color: var(--ice);
}

.score-card-body .lab-label::before {
  background: linear-gradient(90deg, var(--ice-deep), var(--ice));
}

.also-listen {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.also-listen a {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  text-decoration: none;
  color: inherit;
  padding: var(--space-3);
  background: var(--suite-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.25s, background 0.25s;
}

.also-listen a:hover {
  border-color: var(--line-amber);
  background: var(--suite-raised);
  color: inherit;
}

.also-listen img {
  width: 3.5rem;
  height: 3.5rem;
  object-fit: cover;
  border-radius: var(--radius);
  flex-shrink: 0;
}

.also-listen strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: 0.03em;
}

.also-listen span {
  font-size: 0.8rem;
  color: var(--ink-muted);
}

/* —— Protocol Winter OST page —— */
body.world-ice {
  background-image:
    radial-gradient(ellipse 80% 55% at 50% -15%, rgba(126, 184, 201, 0.09), transparent 50%),
    radial-gradient(ellipse 50% 40% at 0% 90%, rgba(61, 122, 140, 0.06), transparent 45%),
    radial-gradient(ellipse 40% 30% at 100% 50%, rgba(232, 160, 74, 0.03), transparent 40%);
}

.ost-hero {
  position: relative;
  min-height: min(78vh, 42rem);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  margin-top: var(--header-h);
  background: #050c12;
}

.ost-hero-bg {
  position: absolute;
  inset: 0;
}

.ost-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.72;
}

.ost-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(5, 12, 18, 0.97) 0%, rgba(5, 12, 18, 0.55) 40%, rgba(5, 12, 18, 0.25) 70%, rgba(5, 12, 18, 0.4) 100%),
    linear-gradient(90deg, rgba(5, 12, 18, 0.5), transparent 40%);
}

.ost-hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: var(--space-8) var(--pad) var(--space-7);
}

.ost-hero .eyebrow {
  color: var(--ice-bright);
}

.ost-hero .eyebrow::before {
  background: linear-gradient(90deg, var(--ice-deep), var(--ice-bright));
  box-shadow: 0 0 12px var(--ice-glow);
}

.ost-hero .film-title {
  color: var(--frost);
  margin-bottom: 0.6em;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.6);
}

.ost-hero .meta-line {
  color: rgba(212, 232, 239, 0.65);
  margin-bottom: 1.25rem;
}

.ost-hero .lede {
  color: rgba(212, 232, 239, 0.8);
  max-width: 36rem;
}

.ost-layout {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space-7) var(--pad) var(--space-9);
  display: grid;
  grid-template-columns: 1fr 17rem;
  gap: var(--space-7);
  align-items: start;
}

.ost-main .section-head {
  margin-bottom: var(--space-5);
}

.ost-main h2 {
  color: var(--frost);
  letter-spacing: 0.08em;
}

.ost-main .lab-label {
  color: var(--ice);
}

.ost-main .lab-label::before {
  background: linear-gradient(90deg, var(--ice-deep), var(--ice));
}

.cue-list {
  list-style: none;
  margin: var(--space-5) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-ice);
}

.cue-list li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-3);
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(126, 184, 201, 0.12);
  font-size: 0.98rem;
  color: var(--ink-soft);
}

.cue-list .cue-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--ice);
  padding-top: 0.15rem;
}

.cue-list .cue-name {
  font-family: var(--font-serif);
  letter-spacing: 0.03em;
  color: var(--frost);
}

.ost-aside {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.ost-cover {
  border: 1px solid var(--line-ice);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 30px var(--ice-glow);
}

.ost-cover img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.ost-poster {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ost-poster img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
}

.ost-aside .status-chip {
  text-align: center;
}

.ost-aside .meta-line {
  font-size: 0.75rem;
  text-align: center;
  line-height: 1.5;
}

/* —— Listen / warm gold world —— */
body.world-gold {
  background-image:
    radial-gradient(ellipse 80% 55% at 50% -15%, rgba(212, 168, 75, 0.07), transparent 50%),
    radial-gradient(ellipse 45% 35% at 100% 80%, rgba(232, 160, 74, 0.04), transparent 45%);
}

.booth-frame {
  position: relative;
}

.booth-frame::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  background: linear-gradient(145deg, rgba(212, 168, 75, 0.25), transparent 40%, rgba(232, 160, 74, 0.1));
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.media-panel {
  position: relative;
  z-index: 1;
  background: var(--suite-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.panel-cover {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--suite-lift);
}

.panel-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.panel-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.panel-body .lab-label {
  color: var(--gold);
}

.panel-body .lab-label::before {
  background: linear-gradient(90deg, var(--gold-dim), var(--gold-hot));
  box-shadow: 0 0 8px var(--gold-glow);
}

.panel-body h3 {
  margin-bottom: 0.4em;
}

.panel-body > p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.embed-wrap {
  margin: auto 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--line);
}

.embed-wrap iframe {
  display: block;
  width: 100%;
  border: 0;
}

.panel-links {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-links a {
  text-decoration: none;
  color: var(--gold);
}

.panel-links a:hover {
  color: var(--gold-hot);
}

.album-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  max-width: 48rem;
}

.album-card .status-chip {
  align-self: flex-start;
}

/* —— Bilingual —— */
.bilingual {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.bilingual .ml {
  color: var(--ink-soft);
  font-size: 0.85em;
  letter-spacing: 0.02em;
}

.bilingual-block .en {
  margin-bottom: 0.5em;
}

.bilingual-block .ml {
  color: var(--ink-muted);
  font-size: 0.95em;
}

.coming-soon {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto;
  padding: var(--space-7) var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--suite-panel);
}

.coming-soon h2 {
  justify-content: center;
}

/* —— Contact form —— */
.form {
  max-width: 28rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.4rem;
}

.form input,
.form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: var(--suite-lift);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form input:focus,
.form textarea:focus {
  border-color: var(--amber);
  outline: none;
}

.form textarea {
  min-height: 8rem;
  resize: vertical;
}

.contact-meta {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
}

.contact-meta a {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

/* —— Footer —— */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: auto;
  background: var(--suite-lift);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space-6) var(--pad);
  display: flex;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 0.35rem;
  color: var(--ink);
}

.footer-meta {
  font-size: 0.8rem;
  color: var(--ink-muted);
  line-height: 1.7;
}

.footer-meta a {
  text-decoration: none;
  color: var(--ink-muted);
}

.footer-meta a:hover {
  color: var(--amber);
}

/* —— Reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-hero {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-meters span,
  .score-card:hover .score-card-cover img {
    animation: none;
    transform: none;
  }

  .score-card:hover {
    transform: none;
  }
}

/* —— Responsive —— */
@media (max-width: 960px) {
  .scores-grid {
    grid-template-columns: 1fr;
  }

  .score-feature {
    grid-template-columns: 1fr;
  }

  .score-feature-art::after {
    background: linear-gradient(to top, rgba(10, 20, 26, 0.85), transparent 50%);
  }

  .score-feature-body {
    padding: var(--space-5);
  }

  .ost-layout {
    grid-template-columns: 1fr;
  }

  .ost-aside {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--glass-nav);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: var(--space-4) var(--pad) var(--space-5);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.35s var(--ease-out), opacity 0.25s;
  }

  .site-nav.is-open {
    max-height: 28rem;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .grid-2,
  .grid-3,
  .album-grid,
  .also-listen {
    grid-template-columns: 1fr;
  }

  .hero-meters {
    display: none;
  }

  .feature-list li {
    grid-template-columns: 2.5rem 1fr;
  }
}

@media (max-width: 560px) {
  .ost-aside {
    grid-template-columns: 1fr;
  }

  .film-title {
    font-size: clamp(2rem, 11vw, 2.8rem);
    letter-spacing: 0.08em;
  }

  .ost-hero {
    min-height: min(70vh, 32rem);
  }
}

.ost-layout-solo{grid-template-columns:1fr;max-width:48rem;}

a.nav-parent {
  color: inherit;
  text-decoration: none;
}
a.nav-parent:hover {
  color: var(--amber-hot, #e8a04a);
}


/* Sound Engineering — research lab denser craft */
.chain-rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-top: 1.5rem;
  font-family: var(--font-mono, "IBM Plex Mono", monospace);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted, #94a3b8);
}
.chain-rail span:not(.chain-arrow) {
  color: var(--amber, #e8a04a);
  border: 1px solid rgba(232, 160, 74, 0.35);
  padding: 0.35rem 0.65rem;
  border-radius: 2px;
  background: rgba(232, 160, 74, 0.06);
}
.chain-arrow {
  opacity: 0.45;
}
.principle-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
}
.principle-card h3 {
  margin-top: 0.35rem;
}
.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border: 1px solid var(--line, rgba(255,255,255,0.1));
  border-radius: 4px;
  overflow: hidden;
}
.process-steps li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--line, rgba(255,255,255,0.08));
  align-items: start;
}
.process-steps li:last-child {
  border-bottom: none;
}
.step-num {
  font-family: var(--font-mono, "IBM Plex Mono", monospace);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--amber, #e8a04a);
  padding-top: 0.2rem;
}
.process-steps h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}
.process-steps p {
  margin: 0;
  color: var(--ink-muted, #94a3b8);
  font-size: 0.95rem;
}
@media (min-width: 720px) {
  .process-steps {
    grid-template-columns: repeat(4, 1fr);
  }
  .process-steps li {
    grid-template-columns: 1fr;
    border-bottom: none;
    border-right: 1px solid var(--line, rgba(255,255,255,0.08));
  }
  .process-steps li:last-child {
    border-right: none;
  }
}

.research-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.research-list li {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line, rgba(255,255,255,0.1));
}
.research-list h3 {
  margin: 0.35rem 0 0.5rem;
  font-family: var(--font-display, Cinzel, serif);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.research-list h3 a {
  color: inherit;
  text-decoration: none;
}
.research-list h3 a:hover {
  color: var(--amber, #e8a04a);
}
.research-body {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 var(--pad, 1.25rem) 2rem;
  font-size: 1.0625rem;
  line-height: 1.7;
}
.research-body p {
  margin: 0 0 1.15rem;
  color: var(--ink-soft, #d1d5db);
}

.long-read-body {
  max-width: 38rem;
}
.long-read-body h2 {
  font-family: var(--font-display, Cinzel, serif);
  font-weight: 500;
  letter-spacing: 0.04em;
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  margin: 2.25rem 0 0.85rem;
  color: var(--ink, #f4efe6);
}
.long-read-body h3 {
  font-family: var(--font-sans, "Source Sans 3", sans-serif);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 1.75rem 0 0.65rem;
  color: var(--amber, #e8a04a);
}
.long-read-body ul,
.long-read-body ol {
  margin: 0 0 1.25rem;
  padding-left: 1.25rem;
  color: var(--ink-soft, #d1d5db);
}
.long-read-body li {
  margin-bottom: 0.45rem;
  line-height: 1.65;
}
.long-read-body strong {
  color: var(--ink, #f4efe6);
  font-weight: 600;
}