:root {
  --bg: #f8f7f3;
  --paper: #fffdf8;
  --ink: #222;
  --muted: #66645f;
  --faint: #8a877f;
  --line: #ddd8cc;
  --line-dark: #c8c0b2;
  --link: #5f2d1f;
  --nav: #39352f;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 52px;
  padding: 0 26px;
  border-bottom: 1px solid #d7d1c6;
  background: rgba(248, 247, 243, 0.96);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #2b2925;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid #2f2b25;
  border-radius: 50%;
  font-size: 11px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #5f5a52;
  font-size: 14px;
}

.nav-links a {
  text-decoration: none;
}

.nav-links .active {
  color: #181612;
  font-weight: 600;
}

#languageSelect {
  max-width: 170px;
  padding: 7px 28px 7px 10px;
  border: 1px solid var(--line-dark);
  border-radius: 3px;
  background: var(--paper);
  color: var(--ink);
  font: 13px ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.page {
  width: min(1040px, calc(100% - 38px));
  margin: 0 auto;
}

.highlights-header {
  display: grid;
  grid-template-columns: minmax(210px, 310px) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 70px);
  align-items: center;
  padding: 58px 0 36px;
}

.cover-art {
  aspect-ratio: 0.78;
  border-radius: 2px;
  border: 1px solid #c6bcaa;
  background:
    radial-gradient(circle at 50% 24%, rgba(255, 246, 210, 0.95) 0 10%, transparent 11%),
    radial-gradient(circle at 42% 34%, rgba(44, 39, 30, 0.95) 0 4%, transparent 5%),
    radial-gradient(circle at 58% 34%, rgba(44, 39, 30, 0.95) 0 4%, transparent 5%),
    linear-gradient(150deg, #2f4f62 0 22%, #e6d5b2 23% 53%, #7f5038 54% 74%, #21282d 75% 100%);
  box-shadow: 0 2px 5px rgba(40, 34, 26, 0.18);
}

.highlights-copy h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 5.4vw, 56px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0;
}

.highlights-copy p {
  max-width: 640px;
  margin: 0 0 17px;
  color: #45423d;
  font-size: 18px;
  line-height: 1.55;
}

.highlights-copy .read-time {
  color: #55504a;
}

.start-button {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  margin-top: 4px;
  padding: 7px 15px;
  border: 1px solid #6f6251;
  border-radius: 3px;
  background: #5b5145;
  color: #fffdf8;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  text-decoration: none;
}

.read-progress {
  margin: 0 0 28px;
  padding: 16px 0 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

.sequence-list {
  padding-bottom: 54px;
}

.sequence-card {
  display: grid;
  grid-template-columns: minmax(240px, 330px) minmax(0, 1fr);
  gap: clamp(22px, 5vw, 64px);
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.sequence-card h2 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: 0;
}

.sequence-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.sequence-card .part {
  color: var(--faint);
  font-size: 14px;
}

.sequence-card .section-time {
  color: #4f4a43;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
}

.post-links {
  display: grid;
  gap: 9px;
  align-content: start;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}

.post-links a {
  color: var(--link);
  font-size: 18px;
  line-height: 1.25;
  text-decoration: none;
}

.post-links a:hover {
  text-decoration: underline;
}

.post-page {
  width: min(780px, calc(100% - 38px));
}

.post {
  padding: 44px 0 70px;
}

.back-link {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  text-decoration: none;
}

.back-link::before {
  content: "< ";
}

.post h1 {
  margin: 0 0 12px;
  font-size: clamp(34px, 6vw, 52px);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 34px;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
}

.post-meta a {
  color: var(--link);
  text-decoration: none;
}

.post-body {
  font-size: 20px;
  line-height: 1.72;
}

.post-body p {
  margin: 0 0 24px;
}

@media (max-width: 760px) {
  .site-nav {
    grid-template-columns: auto 1fr;
    gap: 12px;
    padding: 8px 14px;
  }

  .brand-word,
  .nav-links {
    display: none;
  }

  #languageSelect {
    justify-self: end;
    max-width: 160px;
  }

  .page,
  .post-page {
    width: min(100% - 26px, 680px);
  }

  .highlights-header,
  .sequence-card {
    grid-template-columns: 1fr;
  }

  .highlights-header {
    padding-top: 28px;
  }

  .cover-art {
    width: min(230px, 70vw);
  }

  .highlights-copy p {
    font-size: 17px;
  }

  .sequence-card {
    gap: 16px;
    padding: 28px 0;
  }

  .post-links a {
    font-size: 17px;
  }

  .post-body {
    font-size: 19px;
  }
}