:root {
  --cream: #fff5e8;
  --cream-panel: #f4ece0;
  --ink: #17121c;
  --muted: #665b69;
  --muted-soft: #6b626f;
  --line: #cfc2c0;
  --nav: #17121c;
  --teal: #20dcdc;
  --teal-dark: #007c7b;
  --magenta: #ff4cbf;
  --magenta-dark: #ad126f;
  --purple: #7933d8;
  --promo-bg: #e8f1e9;
  --named-bg: #f0e8f6;
  --reported-bg: #f9e8ee;
  --max: 84rem;
  --display: "Bebas Neue", "Arial Narrow", sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --track: "Barlow Condensed", "Arial Narrow", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --space-row-gap: 1.125rem; /* 18px — index row columns */
  --space-section: 1rem; /* 16px — within tier blocks */
  --space-panel: 1.5rem; /* 24px — expanded panels */
  --space-row-inset: 1.5rem; /* horizontal inset when a row is open */
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: var(--body);
  line-height: 1.5;
}

a {
  color: inherit;
}

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

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

/* Navigation */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--nav);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 5.1rem;
  padding-block: 0.75rem;
}

.brand {
  font-family: var(--display);
  font-size: 1.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
}

.site-nav nav {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.site-nav nav a {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: #c9c2cf;
}

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

.site-nav nav a:hover {
  color: #fff;
}

/* Hero */
.hero {
  background: var(--nav);
  color: var(--cream);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  min-height: 23rem;
  padding: 3.875rem 0 2.5rem;
}

.hero-kicker {
  margin: 0 0 1.375rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
}

.hero h1 {
  margin: 0;
  max-width: 12ch;
  font-family: var(--display);
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 400;
  line-height: 0.78;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-graphic {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: min(22.5rem, 42vw);
  aspect-ratio: 360 / 210;
  border: 1px solid var(--cream);
  display: grid;
  place-items: center;
}

.eq-bars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  height: 60%;
}

.eq-bars span {
  display: block;
  width: 0.45rem;
  border-radius: 2px;
  animation: eq-pulse 1.1s ease-in-out infinite alternate;
}

.eq-bars span:nth-child(odd) {
  background: var(--teal);
  height: 2.2rem;
}

.eq-bars span:nth-child(even) {
  background: #f52fc0;
  height: 3.4rem;
}

.eq-bars span:nth-child(2) { animation-delay: 0.1s; }
.eq-bars span:nth-child(3) { animation-delay: 0.2s; }
.eq-bars span:nth-child(4) { animation-delay: 0.3s; }
.eq-bars span:nth-child(5) { animation-delay: 0.4s; }
.eq-bars span:nth-child(6) { animation-delay: 0.5s; }
.eq-bars span:nth-child(7) { animation-delay: 0.6s; }
.eq-bars span:nth-child(8) { animation-delay: 0.7s; }
.eq-bars span:nth-child(9) { animation-delay: 0.8s; }
.eq-bars span:nth-child(10) { animation-delay: 0.9s; }

@keyframes eq-pulse {
  from { transform: scaleY(0.55); }
  to { transform: scaleY(1.15); }
}

/* Intro band */
.index-intro {
  border-bottom: 1px solid var(--ink);
}

.intro-inner {
  display: grid;
  grid-template-columns: minmax(0, 38rem) 1fr;
  gap: 2.5rem;
  align-items: center;
  padding: 1.875rem 0;
}

.intro-title {
  margin: 0;
  font-family: var(--track);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 900;
  font-style: italic;
  line-height: 1.08;
  text-transform: uppercase;
}

@media (min-width: 48rem) {
  .intro-title {
    white-space: nowrap;
  }
}

.intro-copy {
  margin: 0;
  color: #554d59;
  font-size: 1rem;
  line-height: 1.5;
  max-width: 40rem;
}

/* Listing layout */
.listing-body {
  display: grid;
  grid-template-columns: 15.75rem minmax(0, 1fr);
  gap: 3rem;
  padding: 2.5rem 0 4rem;
}

.evidence-sidebar {
  position: sticky;
  top: 6.5rem;
  align-self: start;
  display: grid;
  gap: 1.25rem;
}

.sidebar-label {
  margin: 0;
  font-family: var(--display);
  font-size: 1.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tier-key {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  color: inherit;
  font: inherit;
}

.tier-key-num {
  font-family: var(--display);
  font-size: 1.5rem;
  line-height: 1;
}

.tier-key--official .tier-key-num { color: var(--teal-dark); }
.tier-key--named .tier-key-num { color: var(--purple); }
.tier-key--reported .tier-key-num { color: var(--magenta-dark); }

.tier-key-body {
  display: grid;
  gap: 0.375rem;
}

.tier-key-title {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tier-key-copy {
  font-size: 0.82rem;
  color: var(--muted-soft);
  line-height: 1.4;
}

.tier-key[aria-pressed="true"] .tier-key-title {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.sidebar-note {
  padding-top: 0.35rem;
}

.sidebar-note-heading {
  margin: 0 0 0.5rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar-note-copy {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted-soft);
  line-height: 1.45;
}

/* Search */
.search-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.search {
  flex: 1;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
}

.search:focus {
  outline: none;
}

.search::placeholder {
  color: #9a909c;
}

/* Tier sections */
.tier-section {
  display: grid;
  gap: var(--space-section);
  margin-bottom: 3rem;
}

.tier-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--ink);
}

.tier-header-title {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  min-width: 0;
}

.tier-header-num {
  flex: none;
  font-family: var(--display);
  font-size: 1.875rem;
  line-height: 1;
}

.tier-header-name {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.875rem, 4vw, 2.375rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tier-header-count {
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tier-section--official_promo .tier-header-num { color: var(--teal-dark); }
.tier-section--rockstar_named .tier-header-num { color: var(--purple); }
.tier-section--artist_reported .tier-header-num { color: var(--magenta-dark); }

.tier-description {
  margin: 0;
  color: var(--muted-soft);
  font-size: 0.875rem;
  line-height: 1.45;
  max-width: 44rem;
}

.subsection {
  display: grid;
  gap: var(--space-section);
}

.subsection-title {
  margin: 0;
  font-family: var(--display);
  font-size: 1.35rem;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--magenta-dark);
}

.subsection-copy {
  margin: 0;
  color: var(--muted-soft);
  font-size: 0.875rem;
  line-height: 1.45;
}

/* Index rows */
.index-main {
  min-width: 0;
}

.index-list {
  display: grid;
  min-width: 0;
}

.index-row {
  display: flex;
  flex-direction: column;
  min-width: 0;
  max-width: 100%;
  padding: 0 var(--space-row-inset);
  border-bottom: 2px solid var(--line);
  background: transparent;
}

.row-summary {
  display: grid;
  grid-template-columns: 1.75rem minmax(8rem, 18.125rem) minmax(0, 1fr) 9.25rem;
  gap: var(--space-row-gap);
  align-items: center;
  min-width: 0;
  min-height: 5.5rem;
}

.index-row.is-active.index-row--official_promo {
  background: var(--promo-bg);
  border-bottom-color: var(--teal-dark);
}

.index-row.is-active.index-row--rockstar_named {
  background: var(--named-bg);
  border-bottom-color: var(--purple);
}

.index-row.is-active.index-row--artist_reported {
  background: var(--reported-bg);
  border-bottom-color: var(--magenta-dark);
}

.row-num {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 800;
  color: #776b79;
}

.row-identity {
  display: grid;
  gap: 0.375rem;
}

.row-artist {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.row-cue {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.35;
}

.row-track {
  margin: 0;
  font-family: var(--track);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
}

.row-track.is-empty {
  color: #716572;
  font-style: normal;
}

.row-actions {
  display: flex;
  justify-content: flex-end;
  width: 9.25rem;
}

.row-action {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
  width: 100%;
  min-height: 1.25rem;
  padding: 0;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.row-action-label {
  display: inline-block;
  min-width: 5.5rem;
  text-align: right;
}

.row-action svg {
  flex-shrink: 0;
}

.index-row--official_promo .row-action { color: var(--teal-dark); }
.index-row--rockstar_named .row-action { color: var(--purple); }
.index-row--artist_reported .row-action { color: var(--magenta-dark); }

.row-action:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* Expanded panels */
.row-panel {
  display: grid;
  gap: 1.125rem;
  min-width: 0;
  max-width: 100%;
  margin: 0 calc(-1 * var(--space-row-inset));
  padding: 1.75rem var(--space-row-inset) 1.875rem;
  background: var(--cream-panel);
  border-top: 1px solid var(--line);
  overflow-x: clip;
}

.row-panel-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 20.625rem);
  gap: 2.25rem;
}

.row-panel-inner > div,
.source-list-wrap {
  display: grid;
  gap: 0.875rem;
  align-content: start;
}

.player-layout {
  display: grid;
  grid-template-columns: minmax(0, 38rem) minmax(0, 1fr);
  gap: var(--space-panel);
  min-width: 0;
  max-width: 100%;
}

.video-shell {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  aspect-ratio: 16 / 9;
  background: var(--nav);
  color: var(--cream);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  box-sizing: border-box;
}

.video-shell iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-shell--external {
  text-decoration: none;
  color: var(--cream);
  transition: background-color 0.15s ease;
}

.video-shell--external:hover,
.video-shell--external:focus-visible {
  background: #221829;
}

.video-shell--external:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.video-placeholder {
  display: grid;
  gap: 0.75rem;
  justify-items: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding-inline: 0.5rem;
  box-sizing: border-box;
}

.video-placeholder-title,
.video-placeholder-copy {
  max-width: 100%;
}

.video-open-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.15rem;
  padding: 0.55rem 1rem;
  border: 2px solid var(--cream);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: rgb(255 245 232 / 0.08);
}

.video-shell--external:hover .video-open-cta,
.video-shell--external:focus-visible .video-open-cta {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--nav);
}

.video-placeholder-icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 999px;
  border: 2px solid var(--cream);
  display: grid;
  place-items: center;
}

.video-placeholder-title {
  margin: 0;
  font-family: var(--display);
  font-size: 1.75rem;
  letter-spacing: 0.04em;
}

.video-placeholder-copy {
  margin: 0;
  font-size: 0.82rem;
  color: #c6bacb;
}

.panel-context {
  display: grid;
  gap: 1rem;
  align-content: start;
  min-width: 0;
}

.panel-eyebrow {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.index-row--official_promo .panel-eyebrow { color: var(--teal-dark); }
.index-row--rockstar_named .panel-eyebrow { color: var(--purple); }
.index-row--artist_reported .panel-eyebrow { color: var(--magenta-dark); }

.panel-track-title {
  margin: 0;
  font-family: var(--track);
  font-size: 1.875rem;
  font-weight: 600;
  line-height: 1.05;
}

.panel-artist {
  margin: -0.15rem 0 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.panel-meta,
.panel-cue-note {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
  white-space: pre-line;
}

.panel-youtube-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--teal-dark);
  text-decoration: none;
}

.panel-youtube-link:hover {
  text-decoration: underline;
}

.playback-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--muted);
}

.evidence-headline {
  margin: 0;
  font-family: var(--track);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.08;
}

.evidence-body {
  margin: 0;
  font-size: 0.9375rem;
  color: #514754;
  line-height: 1.5;
}

.evidence-body + .evidence-body {
  margin-top: 0.25rem;
}

.evidence-disclosure {
  margin: 0.25rem 0 0;
  font-size: 0.75rem;
  line-height: 1.45;
  color: #716572;
}

.source-list {
  display: grid;
  gap: 0.85rem;
}

.source-item {
  padding-bottom: 0.85rem;
  border-bottom: 1px solid #d4c7cf;
}

.source-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.source-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

.source-role {
  margin: 0.35rem 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.index-row--official_promo .source-link { color: var(--teal-dark); }
.index-row--rockstar_named .source-link { color: var(--purple); }
.index-row--artist_reported .source-link { color: var(--magenta-dark); }

.empty {
  margin: 0;
  color: var(--muted-soft);
  padding: 0.5rem 0 0;
}

/* Footer */
.site-footer {
  background: var(--nav);
  color: var(--cream);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 9.25rem;
  flex-wrap: wrap;
}

.footer-brand {
  margin: 0;
  font-family: var(--display);
  font-size: 1.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-note {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #a89daa;
  max-width: 28rem;
  text-align: right;
}

/* Methodology */
.page-main {
  padding: 2.5rem 0 4rem;
}

.method-hero {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--ink);
}

.method-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 0.95;
}

.method-hero p {
  margin: 0;
  max-width: 44rem;
  color: #554d59;
  font-size: 1.05rem;
  line-height: 1.5;
}

.method-tier {
  display: grid;
  gap: 0.875rem;
  margin-bottom: 2.75rem;
}

.method-tier-label {
  margin: 0;
  font-family: var(--display);
  font-size: 2.25rem;
  line-height: 1;
  letter-spacing: 0.04em;
}

.method-tier--promo .method-tier-label { color: var(--teal-dark); }
.method-tier--named .method-tier-label { color: var(--purple); }
.method-tier--reported .method-tier-label { color: var(--magenta-dark); }

.method-tier h2 {
  margin: 0;
  font-family: var(--track);
  font-size: 1.65rem;
  font-weight: 600;
  line-height: 1.1;
}

.method-tier p,
.method-tier li {
  max-width: 44rem;
  color: #514754;
  line-height: 1.5;
}

.method-tier p {
  margin: 0;
}

.method-tier p + p {
  margin-top: 0.875rem;
}

.method-tier ul {
  margin: 0;
  padding-left: 1.15rem;
}

.method-tier ul + p {
  margin-top: 0.875rem;
}

.method-tier a {
  color: var(--teal-dark);
  font-weight: 600;
}

.method-block {
  display: grid;
  gap: 0.875rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.method-block h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.method-block p {
  margin: 0;
  line-height: 1.5;
}

.method-block ul {
  margin: 0;
  padding-left: 1.15rem;
  line-height: 1.5;
}

.method-block p + ul,
.method-block ul + p {
  margin-top: 0.25rem;
}

@media (max-width: 960px) {
  .wrap {
    width: min(var(--max), calc(100% - 1.5rem));
  }

  .listing-body {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1.75rem 0 3rem;
  }

  .evidence-sidebar {
    position: static;
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .intro-inner {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.5rem 0;
  }

  .hero-inner {
    min-height: auto;
    padding: 2.25rem 0 1.75rem;
  }

  .hero h1 {
    font-size: clamp(3.25rem, 14vw, 5.5rem);
  }

  .hero-graphic {
    position: static;
    transform: none;
    margin-top: 1.25rem;
    width: 100%;
    max-width: 18rem;
  }

  .search-wrap {
    margin-bottom: 1.5rem;
  }

  .tier-section {
    margin-bottom: 2.25rem;
  }

  .tier-header {
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.35rem 1rem;
  }

  .tier-header-name {
    white-space: normal;
  }

  .index-row {
    --space-row-inset: 1rem;
    padding-inline: var(--space-row-inset);
  }

  .row-panel {
    margin-inline: calc(-1 * var(--space-row-inset));
    padding: 1.25rem var(--space-row-inset) 1.5rem;
  }

  .row-summary {
    grid-template-columns: 1.75rem minmax(0, 1fr) auto;
    grid-template-areas:
      "num identity actions"
      ". track track";
    align-items: start;
    gap: 0.375rem var(--space-row-gap);
    min-height: auto;
    padding-block: 0.875rem;
  }

  .row-num {
    grid-area: num;
    padding-top: 0.15rem;
  }

  .row-identity {
    grid-area: identity;
    min-width: 0;
  }

  .row-track {
    grid-area: track;
    font-size: 1.25rem;
    line-height: 1.1;
    padding-top: 0.125rem;
    min-width: 0;
  }

  .row-actions {
    grid-area: actions;
    justify-content: flex-end;
    align-self: start;
    width: auto;
    padding-top: 0.05rem;
  }

  .row-action {
    min-height: 2.75rem;
    padding-block: 0.35rem;
  }

  .row-action-label {
    min-width: 0;
    text-align: right;
  }

  .player-layout,
  .row-panel-inner {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .panel-track-title {
    font-size: 1.5rem;
  }

  .footer-inner {
    min-height: auto;
    padding-block: 2rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-note {
    text-align: left;
  }

  .page-main {
    padding: 1.75rem 0 3rem;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(var(--max), calc(100% - 1.25rem));
  }

  .nav-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    min-height: auto;
    padding-block: 0.875rem;
  }

  .brand {
    font-size: 1.35rem;
    letter-spacing: 0.1em;
    line-height: 1.1;
  }

  .site-nav nav {
    flex-wrap: wrap;
    gap: 0.85rem 1.25rem;
  }

  .hero-inner {
    padding-top: 1.75rem;
  }

  .tier-header-count {
    width: 100%;
  }

  .footer-brand {
    font-size: 1.5rem;
  }
}