:root {
  --lacquer: #8e1418;
  --lacquer-2: #c4282a;
  --oil: #e8b84a;
  --sesame: #f6e6c8;
  --seed: #2a120e;
  --ink: #2a120e;
  --mute: #7a5346;
  --ok: #3d6b46;
  --hot: #c4282a;
  --display: "ZCOOL XiaoWei", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 80px; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--sesame);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.app-link { color: var(--lacquer); text-decoration: underline; text-underline-offset: 3px; }
button { font-family: inherit; cursor: pointer; }
code { font-family: var(--mono); background: rgba(196, 40, 42, 0.12); padding: 0.05em 0.35em; }

.oil-skin {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 12;
  opacity: 0.18;
  background-image: url("images/texture.webp");
  background-size: 280px auto;
  mix-blend-mode: multiply;
}

.glyph {
  position: fixed;
  left: -0.12em;
  top: 18vh;
  font-family: var(--display);
  font-size: 42vh;
  line-height: 0.8;
  color: rgba(142, 20, 24, 0.08);
  pointer-events: none;
  z-index: 0;
  writing-mode: vertical-rl;
}

.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 80; background: var(--lacquer); color: #fff; padding: 8px; }

.lacquer {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 22px;
  background: rgba(246, 230, 200, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(42, 18, 14, 0.12);
}
.brand { font-family: var(--display); font-size: 26px; }
.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--mute);
}
.nav-toggle {
  display: none;
  background: var(--lacquer);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 8px 14px;
}
.jar-nav { display: flex; gap: 14px; align-items: center; font-size: 13px; }
.jar-nav a { color: var(--mute); }
.jar-nav a.is-active, .jar-nav a:hover { color: var(--lacquer); }
.jar-nav a.live {
  background: var(--lacquer);
  color: #fff;
  padding: 7px 14px;
  border-radius: 999px;
}

.pour-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: center;
  min-height: calc(100vh - 64px);
  padding: 40px 6vw 64px;
  position: relative;
  z-index: 1;
}
.orbits {
  position: relative;
  height: min(72vh, 640px);
}
.orb {
  position: absolute;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 18px 40px rgba(42, 18, 14, 0.28), inset 0 0 0 6px rgba(246, 230, 200, 0.4);
}
.orb.a { width: 62%; height: 70%; left: 4%; top: 8%; }
.orb.b { width: 38%; height: 42%; right: 2%; top: 0; }
.orb.c { width: 40%; height: 38%; right: 8%; bottom: 4%; }

.kicker {
  font-family: var(--mono);
  letter-spacing: 0.16em;
  font-size: 11px;
  color: var(--lacquer);
  margin: 0 0 12px;
}
h1, h2, h3 { font-family: var(--display); margin: 0 0 14px; line-height: 1.12; font-weight: 400; }
h1 { font-size: clamp(44px, 7vw, 86px); }
h2 { font-size: clamp(28px, 3.6vw, 46px); }
h3 { font-size: 24px; }
.lead { max-width: 40em; }
.quiet { color: var(--mute); max-width: 46em; }

.thermo {
  margin: 20px 0;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.45);
  border-radius: 28px;
  backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
}
.temp-lever { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; }
.temp-lever input { flex: 1; accent-color: var(--lacquer); }
#oil-state { margin: 8px 0 0; font-size: 14px; }
.temp-ok { color: var(--ok); }
.temp-hot { color: var(--hot); }
.temp-cool { color: #8a5a10; }

.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; padding: 10px 18px; border-radius: 999px; font-size: 14px; }
.btn.fill { background: var(--lacquer); color: #fff; }
.btn.ghost { border: 1px solid var(--ink); }

.bowl { width: min(1080px, calc(100% - 48px)); margin: 0 auto; padding: 72px 0; }
.dark-oil { background: var(--seed); color: var(--sesame); }
.dark-oil .kicker, .dark-oil .quiet { color: #e0b7a4; }
.dark-oil .app-link { color: var(--oil); }
.dark-oil code { background: rgba(232, 184, 74, 0.16); color: var(--sesame); }

.round-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.round-grid article, .jars-row article, .io > div {
  background: #fff8ea;
  border-radius: 28px;
  padding: 18px 20px;
  box-shadow: 0 10px 28px rgba(42, 18, 14, 0.08);
}
.round-grid article.hot { background: #f8d3c8; }
.round-grid ul, .io ul, .bound { margin: 0; padding-left: 1.1em; }
.round-grid li, .io li, .bound li { margin: 0 0 6px; }

.ladle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
  margin: 32px 0;
}
.ladle.flip { direction: rtl; }
.ladle.flip > * { direction: ltr; }
.num { font-family: var(--mono); letter-spacing: 0.14em; color: var(--oil); font-size: 12px; }
.ladle figure { margin: 0; }
.ladle img { border-radius: 50% 50% 28px 28px; aspect-ratio: 4/3; object-fit: cover; }
.ladle figcaption { margin-top: 8px; font-size: 13px; color: #e0b7a4; }

.jars-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
.jars-row.three { grid-template-columns: repeat(3, 1fr); }
.dark-oil .jars-row article, .dark-oil .io > div {
  background: rgba(246, 230, 200, 0.08);
  color: var(--sesame);
}
.io { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.bound { max-width: 46em; }

footer {
  padding: 22px 24px 40px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
}

@media (max-width: 900px) {
  .glyph { display: none; }
  .pour-hero, .round-grid, .jars-row, .jars-row.three, .io, .ladle, .ladle.flip {
    grid-template-columns: 1fr;
  }
  .ladle.flip { direction: ltr; }
  .orbits { height: 52vh; }
  .nav-toggle { display: inline-block; }
  .jar-nav {
    display: none;
    position: absolute;
    right: 12px;
    top: 58px;
    flex-direction: column;
    background: var(--sesame);
    border-radius: 18px;
    padding: 12px;
    min-width: 180px;
    box-shadow: 0 12px 30px rgba(42, 18, 14, 0.16);
  }
  .jar-nav.open { display: flex; }
}