:root {
  --leather: #1c1a19;
  --paper: #f8f2e3;
  --ink: #2b2117;
  --rubric: #8c1f1f;
  --gold: #c9a24e;
  --muted: rgba(43, 33, 23, 0.6);
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #1f1c1a; --ink: #e3dbcc; --rubric: #d9a85c; --muted: rgba(227, 219, 204, 0.6); }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--leather);
  color: var(--ink);
  font: 18px/1.6 ui-serif, "New York", Georgia, serif;
  padding: 32px 16px;
}
.page {
  max-width: 720px;
  margin: 0 auto;
  background: var(--paper);
  border-radius: 20px;
  border-right: 6px solid var(--gold);
  padding: 32px clamp(20px, 6vw, 56px) 48px;
}
h1, h2 { color: var(--rubric); font-weight: 600; line-height: 1.2; }
h1 { font-size: 2em; margin: 0.4em 0 0.1em; letter-spacing: 0.02em; }
h2 { font-size: 1.15em; margin-top: 1.8em; text-transform: uppercase; letter-spacing: 0.08em; }
h3 { font-size: 1em; margin: 1.4em 0 0.2em; }
p, li { margin: 0.4em 0; }
a { color: var(--rubric); }
.meta, .small { color: var(--muted); font-size: 0.85em; }
.small { margin-top: 2.5em; }
.langs { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
.langs button {
  font: 600 13px/1 -apple-system, system-ui, sans-serif;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
}
.langs button[aria-pressed="true"] { background: var(--gold); color: #1c1a19; }
article[hidden] { display: none; }

/* Landing page (build.py): the book on leather, gold headings */
body.landing {
  padding: 0;
  color: #efe6d2;
  background: radial-gradient(ellipse 70% 40% at 50% 0%, rgba(255, 226, 170, 0.10), transparent 70%), var(--leather);
}
.landing a { color: var(--gold); }
.landing .wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.landing .langs { padding-top: 20px; }
.landing .langs a {
  font: 600 13px/1 -apple-system, system-ui, sans-serif;
  border: 1px solid var(--gold);
  border-radius: 999px;
  padding: 7px 12px;
  color: #efe6d2;
  text-decoration: none;
}
.landing .langs a[aria-current] { background: var(--gold); color: var(--leather); }
.hero { text-align: center; padding: 40px 0 8px; }
.app-icon {
  position: relative;
  width: 96px; height: 96px;
  margin: 0 auto 20px;
  border-radius: 22px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 30%, #3a3532, #171515 75%);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.app-icon img { position: absolute; inset: 0; width: 100%; height: 100%; }
.landing h1, .landing h2 {
  font-family: Baskerville, ui-serif, serif;
  text-transform: none;
  letter-spacing: 0.01em;
  color: transparent;
  background: linear-gradient(180deg, #f7e2a6, #d9b25c 45%, #a9802f);
  -webkit-background-clip: text;
  background-clip: text;
}
.landing h1 { font-size: clamp(2.6rem, 8vw, 4.4rem); margin: 0; }
.landing h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); margin: 0 0 0.4em; }
.tagline { font-size: clamp(1.15rem, 2.8vw, 1.5rem); max-width: 28ch; margin: 0.3em auto 1em; color: rgba(239, 230, 210, 0.9); }
.badge img { display: block; margin: 0 auto 16px; }
.facts { font: 600 12px/1.5 -apple-system, system-ui, sans-serif; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); }
.book { display: block; width: 100%; height: auto; margin-top: 16px; }
.landing section { padding: 56px 0; border-top: 1px solid rgba(201, 162, 78, 0.25); }
.landing section:first-child { border-top: 0; }
.feature { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: center; }
.feature.flip { grid-template-columns: 1.4fr 1fr; }
.feature.flip > div { order: 2; }
.feature figure { margin: 0; }
.feature img { display: block; width: 100%; height: auto; border-radius: 18px; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5); }
.feature.portrait img { max-width: 300px; margin: 0 auto; border-radius: 28px; }
.landing section p { color: rgba(239, 230, 210, 0.85); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cards div { padding: 22px; border: 1px solid rgba(201, 162, 78, 0.3); border-radius: 16px; background: rgba(255, 255, 255, 0.03); }
.cards h3 { margin: 0 0 0.3em; color: #efe6d2; }
.translations ul { margin: 0.6em 0; padding-left: 1.2em; }
.cta { text-align: center; }
.cta p { margin-bottom: 1.2em; }
footer.site { padding: 32px 16px 48px; border-top: 1px solid rgba(201, 162, 78, 0.25); font-size: 0.8em; color: rgba(239, 230, 210, 0.6); }
@media (max-width: 760px) {
  .feature, .feature.flip { grid-template-columns: 1fr; gap: 24px; }
  .feature.flip > div { order: 0; }
  .landing section { padding: 40px 0; }
  .cards { grid-template-columns: 1fr; }
}