:root {
  color-scheme: dark;
  --obsidian: #0b0c0e;
  --deep: #07080a;
  --surface: #101216;
  --ivory: #f3efe7;
  --ivory-soft: #c7c4bc;
  --muted: #929399;
  --line: #2b2e33;
  --line-bright: #464a51;
  --gold: #d6a74b;
  --gold-light: #f0cf7a;
  --gold-shadow: #a56f26;
  --blue: #65c9ff;
  --sans: "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

html {
  background: var(--obsidian);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 82% 5%, rgba(101, 201, 255, 0.035), transparent 26rem),
    radial-gradient(circle at 12% 18%, rgba(214, 167, 75, 0.045), transparent 30rem),
    linear-gradient(180deg, #0f1114 0, var(--obsidian) 34rem, var(--deep) 100%);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
input,
summary {
  font: inherit;
}

button,
a,
summary,
input[type="range"] {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

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

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.shell {
  width: min(1180px, calc(100% - 64px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ivory);
  color: var(--obsidian);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid rgba(243, 239, 231, 0.08);
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand-home {
  display: inline-flex;
  flex: 0 0 auto;
}

.brand-lockup {
  width: 218px;
  height: auto;
  display: block;
}

.record-name {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ivory-soft);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.17em;
  line-height: 1;
}

.record-name > span:first-child {
  height: 40px;
  display: inline-flex;
  align-items: center;
}

.state-label,
.record-tag {
  display: inline-flex;
  min-height: 27px;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  color: var(--ivory-soft);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.state-label {
  height: 40px;
  min-height: 40px;
  padding: 0 14px;
  border-color: var(--line-bright);
  gap: 9px;
  color: var(--ivory-soft);
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  line-height: 1;
}

.state-label [data-state-label-text] {
  transform: translateY(1px);
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 10px rgba(101, 201, 255, 0.45);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-kerning: normal;
}

.eyebrow,
.record-kicker,
.track-kind {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.section-rule {
  border-top: 1px solid rgba(70, 74, 81, 0.56);
}

.hero {
  min-height: 680px;
  padding-block: 64px 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  grid-template-areas:
    "heading figure"
    "inscription figure"
    "actions figure";
  column-gap: clamp(42px, 6vw, 88px);
  row-gap: 34px;
  align-content: center;
  align-items: start;
}

.hero-heading {
  grid-area: heading;
  position: relative;
  z-index: 1;
}

.hero h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(54px, 5.4vw, 78px);
  line-height: 1.025;
  letter-spacing: -0.04em;
}

.hero-inscription {
  grid-area: inscription;
  max-width: 480px;
  padding-left: 20px;
  border-left: 1px solid var(--gold-shadow);
}

.hero-inscription p {
  margin: 0;
  color: var(--ivory-soft);
  font-family: var(--serif);
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.48;
}

.hero-actions {
  grid-area: actions;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.action {
  min-height: 48px;
  padding: 13px 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  color: var(--ivory-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-decoration: none;
  text-transform: uppercase;
}

.action:hover,
.action:focus-visible {
  border-color: var(--gold);
  color: var(--gold-light);
}

.action-primary {
  border-color: var(--gold-shadow);
  color: var(--gold-light);
}

.field-figure {
  grid-area: figure;
  margin: 0;
  align-self: center;
  justify-self: end;
}

.field-figure img {
  width: min(42vw, 490px);
  height: auto;
}

.movement {
  position: relative;
  max-width: 900px;
  padding-left: clamp(20px, 3vw, 38px);
  border-left: 1px solid var(--gold-shadow);
  display: grid;
  gap: 2px;
  color: var(--ivory);
  font-family: var(--serif);
  font-size: clamp(40px, 5.1vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.movement::before {
  position: absolute;
  top: -5px;
  left: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 12px rgba(101, 201, 255, 0.36);
  content: "";
}

.record-section {
  padding-block: 96px 106px;
}

.record-grid {
  margin-top: 96px;
  display: grid;
  grid-template-columns: minmax(250px, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(54px, 9vw, 120px);
  align-items: start;
}

.root-record {
  position: relative;
  padding-right: 24px;
}

.root-coordinate {
  min-height: 72px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
}

.root-coordinate strong {
  color: var(--blue);
  font-family: var(--sans);
  font-size: 66px;
  font-weight: 300;
  line-height: 1;
  text-shadow: 0 0 18px rgba(101, 201, 255, 0.16);
}

.root-record h2,
.track-copy h2 {
  margin: 0 0 18px;
  font-size: clamp(30px, 3.1vw, 43px);
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.root-record > p:not(.record-kicker) {
  max-width: 390px;
  margin-bottom: 28px;
  color: var(--ivory-soft);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
}

.text-link,
.download-row a,
.technical-body nav a {
  color: var(--ivory-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.text-link:hover,
.download-row a:hover,
.technical-body nav a:hover {
  color: var(--gold-light);
}

.audio-record {
  padding-block: 32px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.track-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.audio-control {
  min-width: 0;
  margin-top: 34px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.play-button {
  width: 58px;
  height: 58px;
  padding: 0;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--gold);
  color: var(--obsidian);
  cursor: pointer;
}

.play-button:hover {
  background: var(--gold-light);
}

.play-button:disabled {
  border-color: var(--line-bright);
  background: transparent;
  color: var(--muted);
  cursor: default;
}

.play-button svg {
  width: 27px;
  height: 27px;
  display: block;
  fill: currentColor;
}

.play-button .play-icon {
  transform: translateX(1px);
}

.timeline {
  min-width: 0;
}

.timeline input[type="range"] {
  --progress: 0%;
  width: 100%;
  height: 58px;
  margin: 0;
  display: block;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

.timeline input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background: linear-gradient(90deg, var(--gold) var(--progress), var(--line-bright) var(--progress));
}

.timeline input[type="range"]::-webkit-slider-thumb {
  width: 14px;
  height: 14px;
  margin-top: -6px;
  appearance: none;
  border: 0;
  border-radius: 50%;
  background: var(--blue);
}

.timeline input[type="range"]::-moz-range-track {
  height: 2px;
  background: var(--line-bright);
}

.timeline input[type="range"]::-moz-range-progress {
  height: 2px;
  background: var(--gold);
}

.timeline input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 0;
  border-radius: 50%;
  background: var(--blue);
}

.time-row {
  margin-top: 1px;
  display: flex;
  justify-content: space-between;
  color: #75787e;
  font-family: var(--mono);
  font-size: 9px;
}

.download-row {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
}

.record-clue {
  margin: 32px 0 0;
  padding-left: 16px;
  border-left: 1px solid var(--gold-shadow);
  color: var(--ivory-soft);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.55;
}

.record-principle {
  margin: 26px 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.55;
}

.score-section {
  padding-block: 100px 110px;
}

.movement-second {
  margin-bottom: 104px;
}

.score-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 0.55fr);
  gap: clamp(40px, 8vw, 110px);
  align-items: end;
}

.score-heading h2,
.completion-heading h2 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.score-heading > p {
  max-width: 380px;
  margin: 0 0 5px;
  color: var(--ivory-soft);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
}

.phrase-list {
  margin-top: 72px;
  border-top: 1px solid var(--line);
}

.phrase {
  min-height: 144px;
  padding-block: 30px;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) auto;
  grid-template-areas:
    "range trace state"
    "release release release";
  gap: 30px;
  align-items: center;
}

.phrase h3 {
  grid-area: range;
  margin: 0;
  font-size: 34px;
  line-height: 1;
}

.phrase-trace {
  grid-area: trace;
  width: min(100%, 520px);
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 3px;
  align-items: center;
}

.phrase-trace i {
  height: 3px;
  display: block;
  background: rgba(146, 147, 153, 0.48);
}

.phrase-trace i:first-child {
  border-radius: 999px 0 0 999px;
}

.phrase-trace i:last-child {
  border-radius: 0 999px 999px 0;
}

.phrase .record-tag {
  grid-area: state;
}

.phrase.is-released .record-tag {
  grid-area: state;
  border-color: var(--gold-shadow);
  color: var(--gold-light);
}

.phrase.is-released .phrase-trace i {
  background: var(--gold);
}

.phrase-release {
  grid-area: release;
  max-width: 720px;
  padding-top: 18px;
  color: var(--ivory-soft);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.55;
  white-space: pre-line;
}

.spectral-clue {
  margin: 34px 0 0;
  padding-left: 16px;
  border-left: 1px solid var(--gold-shadow);
  color: var(--ivory-soft);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.completion-section {
  padding-block: 102px 112px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(200px, 0.55fr);
  grid-template-areas:
    "heading mark"
    "lead mark"
    "release mark";
  column-gap: clamp(70px, 11vw, 150px);
  row-gap: 26px;
  align-items: center;
}

.completion-heading {
  grid-area: heading;
}

.completion-lead {
  grid-area: lead;
  max-width: 680px;
  margin: 26px 0 0;
  color: var(--ivory-soft);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.6;
}

.completion-release {
  grid-area: release;
  max-width: 760px;
  margin-top: 42px;
  padding: 26px 0 0 20px;
  border-top: 1px solid var(--gold-shadow);
  border-left: 1px solid var(--gold-shadow);
}

.completion-release .completion-stanza {
  margin: 0 0 32px;
  color: var(--ivory);
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.55;
  white-space: pre-line;
}

.completion-release .final-text {
  color: var(--ivory-soft);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  white-space: pre-line;
}

.completion-mark {
  grid-area: mark;
  margin: 0;
  text-align: center;
}

.completion-mark img {
  width: min(100%, 210px);
  height: auto;
  margin-inline: auto;
}

.completion-mark figcaption {
  margin-top: 16px;
  color: #777a80;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.12em;
}

body[data-completion="resolved"] .state-label {
  color: var(--gold-light);
}

.technical-section {
  padding-block: 0 84px;
}

.technical-section details {
  border-bottom: 1px solid var(--line);
}

.technical-section summary {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ivory-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  list-style: none;
  cursor: pointer;
}

.technical-section summary::-webkit-details-marker {
  display: none;
}

.technical-section details[open] summary span:last-child {
  transform: rotate(45deg);
}

.technical-body {
  padding: 0 0 42px;
}

.technical-intro {
  margin: 0 0 28px;
  color: var(--ivory-soft);
  font-family: var(--serif);
  font-size: 18px;
}

.witness-decoder-clue {
  margin: 0 0 34px;
  padding: 4px 0 4px 22px;
  border-left: 1px solid var(--gold);
  max-width: 760px;
}

.witness-decoder-clue .technical-kicker {
  margin: 0 0 12px;
  color: var(--gold-light);
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.witness-decoder-clue p:not(.technical-kicker) {
  margin: 0 0 8px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.55;
}

.witness-decoder-clue a {
  display: inline-block;
  margin-top: 8px;
  color: var(--ivory-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.technical-body dl {
  margin: 0;
  border-top: 1px solid var(--line);
}

.technical-body dl > div {
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 28px;
}

.technical-body dt {
  color: var(--ivory-soft);
  font-size: 11px;
  font-weight: 650;
}

.technical-body dd {
  min-width: 0;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.technical-body code {
  color: var(--ivory-soft);
  font-family: var(--mono);
  font-size: 10px;
}

.technical-body nav {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
}

.site-footer {
  border-top: 1px solid rgba(70, 74, 81, 0.42);
}

.footer-inner {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #6f7278;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.noscript-note {
  margin: 0;
  padding: 18px;
  background: #15171b;
  color: var(--ivory-soft);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
    column-gap: 30px;
  }

  .field-figure img {
    width: min(39vw, 400px);
  }

  .record-grid {
    grid-template-columns: 0.55fr 1.45fr;
    gap: 48px;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 36px, 620px);
  }

  .header-inner {
    min-height: 76px;
    gap: 16px;
  }

  .brand-lockup {
    width: 170px;
  }

  .record-name > span:first-child {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-block: 48px 58px;
    grid-template-columns: minmax(0, 1fr) minmax(105px, 0.48fr);
    grid-template-areas:
      "heading heading"
      "inscription figure"
      "actions actions";
    column-gap: 18px;
    row-gap: 28px;
    align-items: center;
  }

  .hero h1 {
    font-size: clamp(42px, 11.3vw, 59px);
    line-height: 1.04;
    letter-spacing: -0.035em;
  }

  .hero-inscription {
    padding-left: 16px;
  }

  .hero-inscription p {
    font-size: 18px;
  }

  .hero-actions {
    margin-top: 0;
  }

  .action {
    min-height: 45px;
    padding-inline: 16px;
    font-size: 9px;
  }

  .field-figure {
    width: auto;
    justify-self: end;
  }

  .field-figure img {
    width: min(34vw, 170px);
    margin: 0;
  }

  .movement {
    font-size: clamp(38px, 10.5vw, 53px);
  }

  .record-section,
  .score-section,
  .completion-section {
    padding-block: 68px 76px;
  }

  .record-grid {
    margin-top: 64px;
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .root-record {
    padding-right: 0;
  }

  .root-coordinate {
    min-height: 50px;
    margin-bottom: 20px;
  }

  .root-coordinate strong {
    font-size: 52px;
  }

  .audio-record {
    padding-block: 28px;
  }

  .audio-control {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 16px;
  }

  .play-button {
    width: 54px;
    height: 54px;
  }

  .timeline input[type="range"] {
    height: 54px;
  }

  .movement-second {
    margin-bottom: 76px;
  }

  .score-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .score-heading h2,
  .completion-heading h2 {
    font-size: clamp(39px, 10.6vw, 54px);
    line-height: 1.07;
  }

  .phrase-list {
    margin-top: 50px;
  }

  .phrase {
    min-height: 138px;
    grid-template-columns: 120px minmax(0, 1fr) auto;
    gap: 16px;
  }

  .phrase h3 {
    font-size: 28px;
  }

  .phrase-trace {
    gap: 7px;
  }

  .completion-section {
    padding-block: 68px 58px;
    grid-template-columns: minmax(0, 1fr) minmax(105px, 0.38fr);
    grid-template-areas:
      "heading heading"
      "lead mark"
      "release release";
    column-gap: 24px;
    row-gap: 28px;
    align-items: center;
  }

  .completion-mark {
    justify-self: end;
  }

  .completion-mark img {
    width: min(31vw, 132px);
  }

  .completion-mark figcaption {
    margin-top: 10px;
  }

  .technical-section {
    padding-bottom: 62px;
  }

  .technical-body dl > div {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .footer-inner {
    min-height: 88px;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 470px) {
  .hero-actions {
    display: grid;
  }

  .action {
    width: 100%;
  }

  .phrase {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "range state"
      "trace trace"
      "release release";
    row-gap: 20px;
  }

  .header-inner {
    gap: 10px;
  }

  .brand-lockup {
    width: 148px;
  }

  .state-label {
    height: 38px;
    min-height: 38px;
    padding-inline: 10px;
  }

  .phrase h3 {
    grid-area: range;
    font-size: 27px;
    white-space: nowrap;
  }

  .phrase-trace {
    grid-area: trace;
  }

  .phrase .record-tag {
    grid-area: state;
    align-self: center;
    width: fit-content;
  }

  .phrase-release {
    grid-area: release;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}