@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
  --night: #050912;
  --navy: #091322;
  --panel: #0b1525;
  --panel-2: #0e1a2c;
  --line: rgba(164, 194, 218, .16);
  --line-strong: rgba(164, 194, 218, .30);
  --text: #edf2f5;
  --muted: #8d9aa8;
  --silver: #c5d0d9;
  --cyan: #9fd7e9;
  --cyan-soft: rgba(120, 207, 235, .14);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 8%, rgba(72, 116, 157, .16), transparent 34rem),
    linear-gradient(180deg, #07101d 0%, var(--night) 45%, #03060c 100%);
  color: var(--text);
  font-family: Inter, sans-serif;
  line-height: 1.7;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .16;
  background:
    linear-gradient(120deg, transparent 0 49.5%, rgba(175, 214, 232, .12) 49.7%, transparent 50%),
    linear-gradient(35deg, transparent 0 64%, rgba(175, 214, 232, .08) 64.2%, transparent 64.4%),
    linear-gradient(155deg, transparent 0 28%, rgba(175, 214, 232, .07) 28.2%, transparent 28.4%);
}

a { color: inherit; text-decoration: none; }

.site-nav {
  position: relative;
  z-index: 5;
  height: 84px;
  padding: 0 7%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(4, 9, 17, .88);
  backdrop-filter: blur(14px);
}

.brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 30px;
  letter-spacing: .02em;
}

.nav-link {
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--silver);
  font-size: 13px;
  transition: .2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  border-color: var(--cyan);
  color: white;
  background: var(--cyan-soft);
  outline: none;
}

.chapters-page {
  position: relative;
  z-index: 1;
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 72px 22px 110px;
}

.chapters-hero {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto 72px;
  padding: 24px 0 46px;
}

.chapters-hero::before,
.chapters-hero::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.chapters-hero::before { top: 0; width: 65%; }
.chapters-hero::after { bottom: 0; width: 35%; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .34em;
}

.chapters-hero h1 {
  margin: 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(52px, 9vw, 82px);
  font-weight: 500;
  line-height: .95;
  letter-spacing: .02em;
}

.hero-line {
  margin: 23px 0 0;
  color: var(--muted);
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  line-height: 1.55;
  letter-spacing: .08em;
}

.hero-clock {
  display: block;
  margin: 22px auto 0;
  color: var(--cyan);
  font-family: 'Cormorant Garamond', serif;
  font-size: 30px;
  opacity: .85;
}

.chapter-list {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.prologue-section,
.volume {
  position: relative;
}

.prologue-section::before,
.volume::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid rgba(164, 194, 218, .07);
  clip-path: polygon(0 0, 100% 0, 99% 100%, 1% 100%);
}

.prologue-heading {
  text-align: center;
  padding: 34px 20px 24px;
  margin-bottom: 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, transparent, rgba(84, 137, 175, .07), transparent);
}

.prologue-label,
.volume-label {
  color: var(--cyan);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .28em;
}

.prologue-heading h2,
.volume-copy h2 {
  margin: 7px 0 5px;
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
}

.prologue-heading h2 { font-size: 34px; }

.prologue-heading p,
.volume-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.volume {
  padding: 30px 0 0;
}

.volume-heading {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 0 10px 25px;
  border-bottom: 1px solid var(--line);
}

.volume-number {
  flex: 0 0 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--cyan);
  font-family: 'Cormorant Garamond', serif;
  font-size: 30px;
  position: relative;
}

.volume-number::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(159, 215, 233, .18);
  border-radius: 50%;
}

.volume-copy h2 {
  font-size: 34px;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.volume-copy p {
  max-width: 600px;
  line-height: 1.5;
}

.chapter-list-inner {
  padding-top: 14px;
}

.ost-player {
  margin: 18px 10px 8px;
  padding: 16px 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 1.25fr);
  gap: 18px;
  align-items: center;
  border: 1px solid var(--line);
  background:
    linear-gradient(105deg, rgba(94, 157, 191, .11), rgba(5, 9, 18, .52)),
    rgba(7, 15, 27, .72);
  box-shadow: inset 0 1px 0 rgba(205, 232, 244, .04);
}

.ost-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ost-label {
  color: var(--cyan);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .28em;
  margin-bottom: 3px;
}

.ost-copy strong {
  color: var(--text);
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
  font-weight: 500;
  line-height: 1.1;
}

.ost-copy span:last-child {
  color: var(--muted);
  font-size: 11px;
  margin-top: 2px;
}

.ost-player audio {
  width: 100%;
  height: 38px;
  accent-color: var(--cyan);
  filter: drop-shadow(0 0 10px rgba(120, 207, 235, .08));
}

.ost-player.is-playing {
  border-color: rgba(159, 215, 233, .34);
}


.chapter-card {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) 34px;
  align-items: center;
  gap: 17px;
  width: 100%;
  min-height: 82px;
  padding: 14px 18px;
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: background .2s ease, padding .2s ease, border-color .2s ease;
}

.chapter-card:hover,
.chapter-card:focus-visible {
  padding-left: 24px;
  padding-right: 12px;
  background: linear-gradient(90deg, rgba(85, 151, 190, .13), transparent 85%);
  border-bottom-color: var(--line-strong);
  outline: none;
}

.chapter-number {
  color: #718395;
  font-family: 'Cormorant Garamond', serif;
  font-size: 27px;
  line-height: 1;
}

.chapter-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.chapter-label {
  color: #6f8294;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .22em;
  line-height: 1.3;
}

.chapter-title {
  margin-top: 3px;
  color: var(--text);
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.chapter-arrow {
  justify-self: end;
  color: #718395;
  font-size: 18px;
  transition: transform .2s ease, color .2s ease;
}

.chapter-card:hover .chapter-arrow,
.chapter-card:focus-visible .chapter-arrow {
  transform: translate(3px, -3px);
  color: var(--cyan);
}

.volume-ii .volume-number,
.volume-ii .volume-label,
.volume-ii .chapter-arrow { color: #86c9dd; }

.volume-iii .volume-number,
.volume-iii .volume-label,
.volume-iii .chapter-arrow { color: #aebfd0; }

.volume-iv .volume-number,
.volume-iv .volume-label,
.volume-iv .chapter-arrow { color: #86b6d0; }

.volume-v .volume-number,
.volume-v .volume-label,
.volume-v .chapter-arrow { color: #a9ddec; }

.chapter-error {
  margin: 30px 0;
  padding: 25px;
  text-align: center;
  color: var(--muted);
  border: 1px solid var(--line);
}

footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 28px 7%;
  color: #697887;
  font-size: 13px;
  text-align: center;
}

@media (max-width: 600px) {
  .site-nav {
    height: 72px;
    padding: 0 18px;
  }

  .brand { font-size: 26px; }

  .nav-link {
    padding: 8px 12px;
    font-size: 12px;
  }

  .chapters-page {
    padding: 52px 16px 80px;
  }

  .chapters-hero {
    margin-bottom: 50px;
    padding-bottom: 38px;
  }

  .hero-line { font-size: 16px; }

  .chapter-list { gap: 48px; }

  .volume-heading {
    gap: 15px;
    padding-left: 3px;
  }

  .volume-number {
    flex-basis: 54px;
    width: 54px;
    height: 54px;
    font-size: 25px;
  }

  .volume-copy h2 {
    font-size: 26px;
    line-height: 1.05;
    letter-spacing: .05em;
  }

  .volume-copy p {
    font-size: 12px;
    line-height: 1.45;
    margin-top: 4px;
  }

  .chapter-card {
    grid-template-columns: 42px minmax(0, 1fr) 24px;
    gap: 9px;
    min-height: 76px;
    padding: 13px 8px;
  }

  .chapter-card:hover,
  .chapter-card:focus-visible {
    padding-left: 12px;
    padding-right: 4px;
  }

  .chapter-number { font-size: 23px; }

  .chapter-title { font-size: 21px; }

  .chapter-label {
    font-size: 8px;
    letter-spacing: .16em;
  }

  .chapter-arrow { font-size: 16px; }

  .ost-player {
    grid-template-columns: 1fr;
    gap: 9px;
    margin: 14px 3px 6px;
    padding: 14px;
  }

  .ost-copy strong {
    font-size: 22px;
  }

  .ost-player audio {
    height: 36px;
  }
}

@media (max-width: 380px) {
  .brand { font-size: 24px; }

  .volume-heading { gap: 11px; }

  .volume-number {
    flex-basis: 48px;
    width: 48px;
    height: 48px;
    font-size: 22px;
  }

  .volume-copy h2 { font-size: 23px; }

  .chapter-card {
    grid-template-columns: 36px minmax(0, 1fr) 20px;
  }

  .chapter-title { font-size: 19px; }
}




/* Reader */
.container {
  width: min(720px, calc(100% - 34px));
  margin: 0 auto;
  padding: 58px 0 80px;
}

#chapter {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
}

.reader-ost {
  margin: 0 0 42px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(105deg, rgba(94, 157, 191, .12), rgba(5, 9, 18, .62));
  box-shadow: inset 0 1px 0 rgba(205, 232, 244, .04);
}

.reader-ost-heading {
  margin-bottom: 12px;
}

.reader-ost-heading .ost-label {
  display: block;
  margin-bottom: 4px;
}

.reader-ost-heading h2 {
  margin: 0;
  color: var(--text);
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.1;
}

.reader-ost-heading p {
  margin: 3px 0 0;
  color: var(--muted);
  font-family: Inter, sans-serif;
  font-size: 11px;
  font-weight: 400;
  line-height: 1.4;
}

.reader-ost audio {
  display: block;
  width: 100%;
  height: 38px;
  accent-color: var(--cyan);
}

.chapter-story {
  width: 100%;
}

#chapter h1 {
  margin: 0 0 38px;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(34px, 8vw, 52px);
  font-weight: 600;
  line-height: 1.08;
}

#chapter p {
  margin: 0 0 1.05em;
  color: #e3e9ed;
  font-family: 'Cormorant Garamond', serif;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.78;
  overflow-wrap: break-word;
}

.reader-nav {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.reader-nav .button {
  width: 52px;
  height: 46px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--silver);
  font-family: Inter, sans-serif;
  font-size: 28px;
  font-weight: 500;
  line-height: 1;
  transition: .2s ease;
}

.reader-nav .button:hover,
.reader-nav .button:focus-visible {
  border-color: var(--cyan);
  color: white;
  background: var(--cyan-soft);
  outline: none;
}

@media (max-width:600px) {
  .container {
    width: min(100% - 34px, 660px);
    padding: 38px 0 64px;
  }

  #chapter h1 {
    margin-bottom: 30px;
    font-size: 35px;
  }

  #chapter p {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.72;
  }

  .reader-nav {
    margin-top: 42px;
  }

  .reader-nav .button {
    width: 50px;
    height: 44px;
    font-size: 27px;
  }
}