:root {
  color-scheme: dark;
  --bg: #06111b;
  --panel: #0b1a28;
  --panel-raised: #102334;
  --line: rgba(141, 190, 202, 0.2);
  --text: #edf5f7;
  --muted: #a5bac4;
  --soft: #7e98a5;
  --cyan: #37e8dc;
  --cyan-ink: #032124;
  --sand: #ffd08a;
  --coral: #ff8d78;
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(ellipse at 84% 4%, rgba(23, 99, 112, 0.28), transparent 35rem),
    radial-gradient(ellipse at 2% 43%, rgba(14, 61, 81, 0.2), transparent 33rem),
    var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
a { color: inherit; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 20;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 10px;
  color: #07121a;
  background: var(--cyan);
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.site-header,
.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}
.site-header {
  min-height: 84px;
  border-bottom: 1px solid rgba(141, 190, 202, 0.12);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--cyan);
  border: 1px solid rgba(55, 232, 220, 0.42);
  border-radius: 13px;
  background: rgba(55, 232, 220, 0.07);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}
.brand-name { font-size: 13px; font-weight: 700; letter-spacing: 0.07em; }
.brand-name b { color: var(--cyan); }
.brand-name small {
  display: block;
  margin-top: 1px;
  color: var(--soft);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.045em;
}
.site-header nav { display: flex; align-items: center; gap: 24px; }
.site-header nav a, .site-footer a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 650;
}
.site-header nav a:hover, .site-footer a:hover { color: var(--cyan); }

.page-shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: clamp(32px, 6vw, 82px);
  padding: clamp(64px, 9vw, 116px) 0 clamp(72px, 9vw, 120px);
}
.hero-copy { max-width: 550px; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.17em;
  line-height: 1.4;
  text-transform: uppercase;
}
.eyebrow-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin: 0 8px 1px 0;
  border-radius: 50%;
  background: var(--sand);
  box-shadow: 0 0 12px rgba(255, 208, 138, 0.65);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 12ch;
  margin-bottom: 20px;
  font-size: clamp(42px, 6.4vw, 76px);
  font-weight: 790;
  letter-spacing: -0.055em;
  line-height: 0.99;
}
.hero-lead {
  max-width: 54ch;
  margin-bottom: 26px;
  color: #bfd0d8;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.63;
}
.hero-actions, .player-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 17px;
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.035em;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button-primary { color: var(--cyan-ink); background: var(--cyan); }
.button-primary:hover { background: #72f7ef; }
.button-secondary { color: var(--text); border-color: rgba(154, 194, 205, 0.28); background: rgba(255, 255, 255, 0.035); }
.button-secondary:hover { border-color: rgba(55, 232, 220, 0.68); background: rgba(55, 232, 220, 0.07); }
.button:focus-visible, .track-choice:focus-visible, input:focus-visible, a:focus-visible {
  outline: 3px solid var(--sand);
  outline-offset: 3px;
}
.quiet-note { margin: 17px 0 0; color: var(--soft); font-size: 12px; }

.poster-card {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(123, 197, 195, 0.24);
  border-radius: 22px;
  background: #0b1d2b;
  box-shadow: 0 28px 76px rgba(0, 0, 0, 0.37), 0 0 44px rgba(34, 188, 183, 0.06);
}
.poster-card img { display: block; width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; }
.poster-card figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid rgba(123, 197, 195, 0.14);
  color: var(--muted);
  font-size: 11px;
}
.art-label { color: var(--sand); font-weight: 800; letter-spacing: 0.045em; }

.sound-section { padding: 12px 0 74px; }
.section-heading { margin-bottom: 24px; }
.section-heading h2, .feedback-panel h2, .closing-panel h2 {
  margin-bottom: 8px;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 730;
  letter-spacing: -0.045em;
  line-height: 1.1;
}
.section-heading > p:last-child, .feedback-panel p:last-child, .closing-panel p:last-of-type {
  color: var(--muted);
}
.sound-layout {
  display: grid;
  grid-template-columns: minmax(270px, 0.74fr) minmax(0, 1.26fr);
  gap: 16px;
  align-items: stretch;
}
.track-list { display: grid; gap: 9px; align-content: start; }
.track-choice {
  width: 100%;
  min-height: 79px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  text-align: left;
  background: rgba(11, 26, 40, 0.72);
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}
.track-choice:hover { border-color: rgba(55, 232, 220, 0.44); transform: translateY(-1px); }
.track-choice.is-selected { border-color: rgba(55, 232, 220, 0.67); background: linear-gradient(110deg, rgba(55, 232, 220, 0.1), rgba(11, 26, 40, 0.88) 56%); }
.track-number { color: var(--soft); font-size: 11px; font-weight: 850; letter-spacing: 0.1em; }
.track-choice.is-selected .track-number { color: var(--cyan); }
.track-copy strong { display: block; font-size: 14px; font-weight: 760; }
.track-copy small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; }
.track-indicator { color: var(--soft); font-size: 17px; text-align: center; }
.track-choice.is-selected .track-indicator { color: var(--cyan); }

.player-card {
  min-height: 250px;
  display: grid;
  grid-template-columns: minmax(120px, 0.43fr) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(14, 33, 49, 0.96), rgba(8, 22, 34, 0.95));
}
.player-art {
  position: relative;
  min-height: 250px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 54% 46%, rgba(255, 208, 138, 0.12), transparent 38%),
    linear-gradient(160deg, #123d4b 0%, #0a2434 54%, #091824 100%);
}
.player-art::before, .player-art::after {
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(130, 206, 205, 0.18);
  border-radius: 50%;
  content: "";
  transform: rotate(-19deg) scaleX(1.1);
}
.player-art::after { inset: 33px; border-color: rgba(130, 206, 205, 0.11); transform: rotate(23deg) scaleX(1.14); }
.sound-orb { position: absolute; z-index: 1; border-radius: 50%; filter: blur(1px); }
.sound-orb-one { width: 98px; height: 98px; background: radial-gradient(circle at 34% 30%, #aaf9e4 0, #36b8a9 33%, #11626a 72%, transparent 73%); box-shadow: 0 0 40px rgba(51, 215, 201, 0.33); }
.sound-orb-two { width: 144px; height: 54px; border: 1px solid rgba(255, 208, 138, 0.52); transform: rotate(-28deg); }
.sound-orb-three { width: 178px; height: 72px; border: 1px solid rgba(55, 232, 220, 0.34); transform: rotate(34deg); }
.player-eq {
  position: absolute;
  z-index: 2;
  bottom: 49px;
  display: flex;
  height: 31px;
  align-items: center;
  gap: 4px;
  opacity: 0.84;
}
.player-eq i { width: 3px; height: 7px; border-radius: 4px; background: var(--sand); }
.player-eq i:nth-child(2n) { height: 13px; background: var(--cyan); }
.player-eq i:nth-child(3n) { height: 19px; }
.player-eq i:nth-child(4n) { height: 10px; }
.player-art-caption { position: absolute; bottom: 17px; z-index: 3; color: #b7cfd5; font-size: 8px; font-weight: 800; letter-spacing: 0.12em; }
.player-controls { min-width: 0; display: flex; flex-direction: column; justify-content: space-between; gap: 17px; padding: 22px clamp(18px, 3vw, 30px); }
.player-kicker { margin-bottom: 4px; color: var(--cyan); font-size: 10px; font-weight: 850; letter-spacing: 0.13em; text-transform: uppercase; }
.player-controls h3 { margin: 0; font-size: clamp(19px, 2.5vw, 26px); font-weight: 760; letter-spacing: -0.035em; }
.playback-status { min-height: 20px; margin: 7px 0 0; color: var(--muted); font-size: 12px; }
.player-actions { align-items: center; }
.play-button { min-width: 188px; }
.play-icon { font-size: 10px; }
.volume-control { display: grid; grid-template-columns: auto 42px minmax(80px, 1fr); align-items: center; gap: 12px; color: var(--muted); font-size: 11px; }
.volume-value { color: var(--text); text-align: right; font-variant-numeric: tabular-nums; }
.volume-control input { width: 100%; accent-color: var(--cyan); cursor: pointer; }
.share-link { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--text); background: #06121b; font-size: 11px; }
.sound-disclosure {
  max-width: 88ch;
  margin: 16px 0 0;
  padding: 14px 17px;
  border-left: 2px solid rgba(55, 232, 220, 0.6);
  color: var(--muted);
  background: rgba(12, 29, 43, 0.48);
  font-size: 12px;
}
.sound-disclosure strong { color: var(--text); }
.noscript-note { color: var(--sand); font-size: 13px; }

.truth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 5px 0 74px; }
.truth-card {
  min-height: 168px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(11, 26, 40, 0.54);
}
.truth-index { color: var(--cyan); font-size: 10px; font-weight: 850; letter-spacing: 0.12em; }
.truth-card h2 { margin: 11px 0 7px; font-size: 18px; letter-spacing: -0.02em; }
.truth-card p { margin: 0; color: var(--muted); font-size: 12px; }
.truth-card-video .truth-index { color: var(--sand); }

.feedback-panel, .closing-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid rgba(146, 191, 203, 0.18);
  border-radius: 18px;
  background: linear-gradient(110deg, rgba(21, 52, 67, 0.82), rgba(10, 25, 39, 0.72));
}
.feedback-panel { margin-bottom: 14px; }
.feedback-panel > div, .closing-panel > div { max-width: 650px; }
.feedback-panel .eyebrow, .closing-panel .eyebrow { margin-bottom: 8px; }
.feedback-panel h2, .closing-panel h2 { font-size: clamp(23px, 3vw, 32px); }
.feedback-panel p:last-child, .closing-panel p:last-of-type { margin-bottom: 0; font-size: 13px; }
.closing-panel { margin-bottom: 68px; border-color: rgba(55, 232, 220, 0.24); }
.site-footer {
  min-height: 76px;
  border-top: 1px solid rgba(141, 190, 202, 0.12);
  color: var(--soft);
  font-size: 11px;
}
.site-footer span { margin-left: auto; margin-right: auto; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 30px; padding-top: 58px; }
  .hero-copy { max-width: 680px; }
  h1 { max-width: 15ch; }
  .poster-card { max-width: 740px; }
  .sound-layout { grid-template-columns: 1fr; }
  .track-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .track-choice { grid-template-columns: 1fr 22px; gap: 7px; min-height: 105px; align-content: center; }
  .track-number { grid-column: 1 / -1; }
  .track-indicator { grid-column: 2; grid-row: 1; }
}

@media (max-width: 620px) {
  .site-header, .site-footer, .page-shell { width: min(100% - 28px, 1180px); }
  .site-header { min-height: 72px; }
  .site-header nav { gap: 12px; }
  .site-header nav a { font-size: 11px; }
  .brand-name small { max-width: 180px; font-size: 9px; }
  .hero { padding: 48px 0 68px; }
  h1 { font-size: clamp(40px, 12vw, 62px); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .poster-card figcaption { align-items: flex-start; flex-direction: column; gap: 3px; }
  .sound-section { padding-bottom: 55px; }
  .track-list { grid-template-columns: 1fr; }
  .track-choice { grid-template-columns: 36px minmax(0, 1fr) 24px; min-height: 74px; }
  .track-number { grid-column: auto; }
  .track-indicator { grid-column: 3; grid-row: auto; }
  .player-card { grid-template-columns: 1fr; }
  .player-art { min-height: 150px; }
  .player-eq { bottom: 34px; }
  .player-art-caption { bottom: 11px; }
  .player-controls { min-height: 236px; }
  .player-actions { align-items: stretch; flex-direction: column; }
  .player-actions .button { width: 100%; }
  .play-button { min-width: 0; }
  .truth-grid { grid-template-columns: 1fr; padding-bottom: 52px; }
  .truth-card { min-height: auto; }
  .feedback-panel, .closing-panel { align-items: flex-start; flex-direction: column; }
  .closing-panel { margin-bottom: 52px; }
  .site-footer { min-height: 70px; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
  .site-footer span { order: 3; width: 100%; margin: 0; padding-bottom: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

@media (prefers-reduced-motion: no-preference) {
  .player-card[data-playing="true"] .sound-orb-one { animation: breathe 2.2s ease-in-out infinite alternate; }
  .player-card[data-playing="true"] .player-eq i:nth-child(odd) { animation: pulse-bar 0.72s ease-in-out infinite alternate; }
  .player-card[data-playing="true"] .player-eq i:nth-child(even) { animation: pulse-bar 0.55s ease-in-out infinite alternate-reverse; }
  .player-card[data-playing="true"] .player-eq i:nth-child(3n) { animation-duration: 0.84s; }
  @keyframes breathe { from { transform: scale(0.94); opacity: 0.86; } to { transform: scale(1.07); opacity: 1; } }
  @keyframes pulse-bar { from { transform: scaleY(0.52); } to { transform: scaleY(1.4); } }
}