.readingPage {
  width: min(1180px, calc(100% - 48px));
}

.readingHeader {
  display: flex;
  min-height: 108px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.readingHeader nav {
  display: flex;
  gap: 24px;
}

.readingHeader nav a {
  color: var(--muted);
  font-size: 12px;
  text-underline-offset: 5px;
}

.readingHero {
  padding: 110px 0 90px;
  border-bottom: 1px solid var(--line);
}

.readingHero h1 {
  max-width: 1080px;
  margin: 24px 0 38px;
  font-family: var(--serif);
  font-size: clamp(58px, 8vw, 112px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.91;
}

.readingHero h1 em {
  color: var(--acid);
  font-weight: 400;
}

.readingHero > p:last-child {
  width: min(720px, 72%);
  margin: 0 0 0 auto;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.55;
}

.coreRoute,
.libraryNote {
  margin: 80px 0;
  padding: clamp(34px, 5vw, 64px);
  border: 1px solid rgba(201, 255, 105, 0.38);
  background: rgba(23, 26, 23, 0.7);
}

.coreRoute h2,
.libraryNote h2 {
  margin: 14px 0 20px;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 62px);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.coreRoute > p:last-child,
.libraryNote > p {
  max-width: 850px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.readingSection {
  padding: 80px 0;
  border-top: 1px solid var(--line);
}

.phaseHeading {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 22px;
  margin-bottom: 42px;
}

.phaseHeading > span {
  color: var(--acid);
  font-family: var(--serif);
  font-size: 42px;
  font-style: italic;
}

.phaseHeading h2 {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 62px);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.readingList {
  margin: 0 0 0 112px;
  padding: 0;
}

.readingList li {
  position: relative;
  padding: 30px 120px 30px 16px;
  border-top: 1px solid var(--line);
  color: var(--quiet);
}

.readingList li::marker {
  color: var(--quiet);
  font: italic 17px var(--serif);
}

.readingList a {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.25;
  text-decoration-color: rgba(201, 255, 105, 0.45);
  text-underline-offset: 5px;
}

.readingList p {
  max-width: 800px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.mode {
  position: absolute;
  top: 34px;
  right: 8px;
  padding: 5px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.mode.read {
  border-color: rgba(201, 255, 105, 0.45);
  color: var(--acid);
}

.mode.skim {
  border-color: rgba(117, 203, 234, 0.38);
  color: var(--sky);
}

.libraryNote {
  border-color: rgba(183, 168, 255, 0.38);
}

.libraryNote code {
  color: var(--violet);
}

.libraryNote .primaryAction {
  display: inline-flex;
  width: auto;
  margin-top: 20px;
}

@media (max-width: 760px) {
  .readingPage {
    width: min(100% - 30px, 680px);
  }

  .readingHeader nav a:last-child {
    display: none;
  }

  .readingHero {
    padding: 76px 0 64px;
  }

  .readingHero h1 {
    font-size: 52px;
  }

  .readingHero > p:last-child {
    width: 100%;
    font-size: 19px;
  }

  .phaseHeading {
    grid-template-columns: 58px 1fr;
  }

  .phaseHeading > span {
    font-size: 30px;
  }

  .readingList {
    margin-left: 32px;
  }

  .readingList li {
    padding: 28px 0;
  }

  .readingList a {
    display: block;
    padding-right: 80px;
    font-size: 21px;
  }

  .mode {
    top: 30px;
    right: 0;
  }
}