/* timesoria.com — palette follows the app (ChronoStyle) and its icon. */
:root {
  --canvas: #FBF9F5;
  --surface: #FFFFFF;
  --ink: #29272F;
  --muted: #6A6573;
  --line: #E8E3DA;
  --accent: #FF5A36;
  --link: #B23A1E;
  --band: #F3EEE6;
  --serif: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif CJK SC", "Noto Serif SC", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #0A0A0C;
    --surface: #16161B;
    --ink: #F5F1E9;
    --muted: #AAA4B6;
    --line: #2A2A31;
    --link: #FF8A6A;
    --band: #121216;
  }
}
.lang-zh-Hant { --sans: -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", "Noto Sans CJK TC", "Helvetica Neue", Arial, sans-serif;
                --serif: "Songti TC", "Source Han Serif TC", "Noto Serif CJK TC", Georgia, serif; }
.lang-en { --serif: Georgia, "Times New Roman", serif; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 17px/1.75 var(--sans); overflow-wrap: anywhere; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.3; letter-spacing: .01em; }

.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px;
       max-width: 1080px; margin: 0 auto; padding: 18px 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-family: var(--serif); font-size: 20px; }
.brand img { border-radius: 22.5%; }
.primary { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 15px; }
.primary a { color: var(--muted); text-decoration: none; }
.primary a:hover, .primary a[aria-current] { color: var(--ink); }

main { max-width: 1080px; margin: 0 auto; padding: 0 16px 48px; }

.hero { text-align: center; padding: 56px 0 40px; }
.app-icon { width: 128px; height: 128px; border-radius: 22.5%; box-shadow: 0 18px 40px rgba(255, 90, 54, .22); }
.hero h1 { font-size: clamp(40px, 7vw, 60px); margin: 28px 0 6px; }
.tagline { font-family: var(--serif); font-size: clamp(20px, 3vw, 24px); margin: 0 0 18px; }
.lead { max-width: 34em; margin: 0 auto 28px; color: var(--muted); }
.soon, .store { display: inline-block; margin: 0; padding: 10px 22px; border-radius: 999px; font-size: 16px; }
.soon { border: 1px solid var(--line); background: var(--surface); }
.store { background: var(--ink); color: var(--canvas); text-decoration: none; }
.requirements { margin: 14px 0 0; font-size: 14px; color: var(--muted); }

.features h2, .screens h2 { text-align: center; font-size: clamp(24px, 4vw, 30px); margin: 40px 0 24px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px 22px 18px; }
.feature h3 { margin: 0 0 8px; font-size: 20px; }
.feature h3::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 10px; border-radius: 50%;
                      background: var(--accent); vertical-align: middle; }
.feature p { margin: 0; color: var(--muted); font-size: 16px; }

.strip { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 2px 16px; }
.strip img { flex: 0 0 auto; width: auto; height: min(560px, 70vh); border-radius: 22px; border: 1px solid var(--line);
             scroll-snap-align: center; }

.band { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px 40px; margin-top: 48px;
        padding: 32px 28px; background: var(--band); border-radius: 22px; }
.band h2 { margin: 0 0 12px; font-size: 24px; }
.band p { margin: 0; color: var(--muted); }
.points { margin: 0; padding-left: 1.2em; color: var(--muted); }

.reading { max-width: 46rem; margin: 0 auto; padding-top: 24px; }
.reading h1 { font-size: clamp(30px, 5vw, 40px); margin: 16px 0 4px; }
.updated, .source { color: var(--muted); font-size: 15px; margin: 0 0 20px; }
.reading section { scroll-margin-top: 16px; }
.reading h2 { font-size: 22px; margin: 36px 0 8px; }
.reading p, .reading li { margin: 0 0 12px; }
.note { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 4px 22px 10px; margin-bottom: 8px; }
.note h2 { margin-top: 18px; }
.toc { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 4px 0 12px; margin: 24px 0; }
.toc h2 { font-size: 17px; margin: 14px 0 8px; font-family: var(--sans); }
.toc ol { margin: 0; padding-left: 1.4em; columns: 2 16em; column-gap: 32px; font-size: 15px; }
.toc li { margin: 0 0 6px; break-inside: avoid; }
.missing { text-align: center; padding-top: 72px; }

.site { max-width: 1080px; margin: 0 auto; padding: 28px 16px 40px; border-top: 1px solid var(--line);
        text-align: center; font-size: 14px; color: var(--muted); }
.site nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 18px; margin-bottom: 10px; }
.site a { color: var(--muted); }
.site a[aria-current] { color: var(--ink); text-decoration: none; }
.filing { margin: 14px 0 4px; }
.filing a { color: var(--muted); text-decoration: none; }
.filing a:hover { text-decoration: underline; }
.psb { margin-left: 16px; display: inline-flex; align-items: center; gap: 4px; }
.rights { margin: 0; }

@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero { padding-top: 32px; }
  .app-icon { width: 104px; height: 104px; }
  .band { padding: 24px 18px; }
  .strip img { height: 60vh; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }