:root {
  --pearl: #f7f5f0;
  --ink: #1a1814;
  --mid: #8c8478;
  --stone: #e8e4dc;
  --water: #2d5a7e;
  --wood: #4a6741;
  --metal: #4e6170;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--pearl);
  color: var(--ink);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--water); }
.home-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: rgba(247,245,240,0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(26,24,20,0.1);
}
.home-nav .bar {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 2rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.home-brand {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  font-style: italic;
  color: inherit;
  text-decoration: none;
}
.home-brand span { opacity: 0.35; font-style: normal; }
.home-nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  justify-content: flex-end;
}
.nav-link {
  font-family: "DM Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.5;
  transition: opacity 0.2s;
  color: inherit;
  text-decoration: none;
}
.nav-link:hover { opacity: 1; }
.hero {
  padding: 8rem 2rem 6rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-glyph {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  user-select: none;
  opacity: 0.04;
  font-size: 28vw;
  font-family: "Noto Serif SC", serif;
  line-height: 1;
}
.hero-mark { display: flex; justify-content: center; margin-bottom: 3rem; }
.hero-lead {
  max-width: 42rem;
  margin: 0 auto;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 300;
  opacity: 0.65;
}
.brush-divider {
  width: 120px; height: 2px;
  background: linear-gradient(90deg, transparent, #1a1814 30%, #1a1814 70%, transparent);
  opacity: 0.25; margin: 2rem auto;
}
.band {
  padding: 4rem 2rem;
  max-width: 72rem;
  margin: 0 auto;
}
.band.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}
.band.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.band.rule {
  border-top: 1px solid rgba(26,24,20,0.08);
}
.kicker { margin-bottom: 0.75rem; }
.prose { font-size: 1.15rem; font-weight: 300; }
.prose p { margin: 0 0 1.5rem; }
.comp-card {
  background: #fff;
  border: 1px solid rgba(26,24,20,0.1);
  border-radius: 2px;
  padding: 2rem;
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.hanzi {
  font-family: "Noto Serif SC", serif;
  font-size: 1.5rem;
  opacity: 0.7;
}
.hanzi.water { color: var(--water); }
.hanzi.metal { color: var(--metal); }
.hanzi.wood { color: var(--wood); }
.phase-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  font-family: "DM Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 999px;
}
.quote {
  border-left: 2px solid var(--water);
  padding-left: 1.5rem;
  opacity: 0.8;
  margin-bottom: 2rem;
}
.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.tw-btn-primary,
.tw-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.tw-btn-primary {
  background: var(--ink);
  color: var(--pearl);
  border: 1px solid var(--ink);
}
.tw-btn-primary:hover { background: #302d28; }
.tw-btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(26,24,20,0.4);
}
.tw-btn-ghost:hover { background: rgba(26,24,20,0.06); border-color: var(--ink); }
.home-foot {
  background: var(--ink);
  padding: 4rem 2rem 3rem;
  margin-top: 4rem;
}
.home-foot .inner { max-width: 72rem; margin: 0 auto; }
.foot-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}
.brand-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.hanzi-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.foot-bottom {
  border-top: 1px solid rgba(247,245,240,0.08);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
@keyframes slowSpin { to { transform: rotate(360deg); } }
.yinyang-spin { animation: slowSpin 60s linear infinite; transform-origin: center; }
@media (min-width: 768px) {
  .band.split { grid-template-columns: 1fr 2fr; }
  .band.cards { grid-template-columns: 1fr 1fr 1fr; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .hanzi-row { justify-content: flex-end; }
}
@media (max-width: 640px) {
  .home-nav .bar { padding: 0 1rem; height: auto; min-height: 3.5rem; flex-wrap: wrap; padding-top: 0.5rem; padding-bottom: 0.5rem; }
  .home-nav-links { gap: 0.75rem; font-size: 0.62rem; }
  .hero { padding: 6.5rem 1.25rem 3.5rem; }
}