:root {
  --soot: #140e0a;
  --soot-2: #1f1610;
  --chip: #c4a574;
  --ember: #e85d04;
  --ember-2: #ff8a3d;
  --ash: #d7cfc4;
  --ink: #1a120c;
  --paper: #efe6d6;
  --warn: #d7263d;
  --ok: #3d6b46;
  --line: #1a120c;
  --display: "Archivo Black", "Noto Sans SC", sans-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: 76px; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.app-link { color: var(--ember); text-decoration: underline; text-underline-offset: 3px; }
button { font-family: inherit; cursor: pointer; }
code { font-family: var(--mono); background: rgba(232, 93, 4, 0.16); padding: 0.05em 0.35em; }

.sawdust {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 20;
  opacity: 0.14;
  background-image: url("images/texture.webp");
  background-size: 380px auto;
  mix-blend-mode: multiply;
}

.skip { position: absolute; left: -999px; }
.skip:focus { left: 10px; top: 10px; z-index: 80; background: var(--ember); color: #fff; padding: 8px; }

.mill-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 18px;
  min-height: 64px;
  background: repeating-linear-gradient(-45deg, #1a120c 0 8px, #2a1c12 8px 16px);
  color: var(--paper);
  border-bottom: 6px solid var(--ember);
}
.die-mark { display: flex; align-items: center; gap: 10px; font-family: var(--display); letter-spacing: 0.04em; }
.die-mark small {
  display: block;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--chip);
}
.die-ring {
  width: 28px;
  height: 28px;
  border: 6px solid var(--ember);
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px var(--soot);
  animation: spin 9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.nav-toggle {
  display: none;
  background: var(--ember);
  color: #fff;
  border: 0;
  padding: 8px 12px;
  font-weight: 700;
}
.mill-links { display: flex; gap: 14px; align-items: center; font-size: 13px; }
.mill-links a { color: var(--chip); }
.mill-links a.is-active, .mill-links a:hover { color: #fff; }
.mill-links a.live { background: var(--ember); color: #fff; padding: 8px 12px; font-weight: 700; }

.pit {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  color: var(--paper);
  overflow: hidden;
}
.pit > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pit::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(20, 14, 10, 0.88) 0%, rgba(20, 14, 10, 0.35) 55%, rgba(20, 14, 10, 0.2) 100%),
    linear-gradient(180deg, transparent 30%, rgba(20, 14, 10, 0.75) 100%);
}
.pit-copy { position: relative; z-index: 1; padding: 10vh 6vw 8vh; max-width: 820px; }
.stencil {
  font-family: var(--mono);
  letter-spacing: 0.18em;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--ember-2);
  margin: 0 0 12px;
}
h1, h2, h3 { font-family: var(--display); margin: 0 0 14px; line-height: 1.05; letter-spacing: 0.01em; }
h1 { font-size: clamp(36px, 6vw, 72px); }
h1 span { display: block; white-space: nowrap; }
h2 { font-size: clamp(26px, 3.4vw, 42px); }
h3 { font-size: 20px; }
.lead { font-size: 17px; max-width: 46em; }
.quiet { color: #6b5a4a; max-width: 46em; }

.calor {
  margin: 22px 0;
  padding: 14px 16px;
  background: rgba(20, 14, 10, 0.72);
  border: 4px solid var(--ember);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  align-items: end;
}
.calor .stencil { grid-column: 1 / -1; }
#calor-num { font-family: var(--mono); font-size: clamp(48px, 8vw, 84px); line-height: 0.9; color: var(--ember-2); }
.calor em { font-style: normal; font-family: var(--mono); color: var(--chip); }
#calor-state { grid-column: 1 / -1; margin: 6px 0 0; }

.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; padding: 12px 16px; border: 3px solid currentColor; font-weight: 700; }
.btn.fill { background: var(--ember); color: #fff; border-color: var(--ember); }
.btn.ghost { color: #fff; }

.bunker { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0; }
.soot { background: var(--soot); color: var(--paper); }
.soot .quiet, .soot .stencil { color: var(--chip); }
.soot .app-link { color: var(--ember-2); }
.soot code { background: rgba(232, 93, 4, 0.22); color: var(--paper); }

.hatch-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 1.1fr;
  gap: 14px;
  margin-top: 28px;
}
.hatch-grid article, .press-grid article, .io > div {
  background: #fff8ec;
  border: 4px solid var(--line);
  padding: 16px 18px;
  box-shadow: 8px 8px 0 var(--line);
}
.alert-card { background: #f7d3c4; }
.hatch-grid ul, .io ul, .bound { margin: 0; padding-left: 1.15em; }
.hatch-grid li, .io li, .bound li { margin: 0 0 6px; }

.line {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  margin: 28px 0 8px;
  padding: 0;
  border: 4px solid var(--ember);
}
.line li {
  padding: 12px 8px;
  font-family: var(--mono);
  font-size: 12px;
  text-align: center;
  border-right: 4px solid var(--ember);
  background: var(--soot-2);
}
.line li:last-child { border-right: 0; }

.station {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  margin: 36px 0;
  padding: 18px;
  border: 4px solid var(--ember);
  background: rgba(239, 230, 214, 0.04);
}
.station.reverse { direction: rtl; }
.station.reverse > * { direction: ltr; }
.num { font-family: var(--mono); letter-spacing: 0.12em; color: var(--ember-2); font-size: 12px; }
.station figure { margin: 0; border: 4px solid #000; }
.station figcaption { margin-top: 8px; font-size: 13px; color: var(--chip); }

.moist-demo, .silo-demo { margin-top: 16px; }
#moisture-cycle { margin-top: 10px; }
.lever { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; }
.lever input { flex: 1; accent-color: var(--ember); }
.moist-state, .silo-state { margin: 8px 0 0; font-size: 14px; }
.moist-state.wet, .silo-state.hot { color: var(--ember-2); }
.moist-state.dry { color: #f0c27a; }
.moist-state.ok, .silo-state.ok { color: #9dcc9a; }
.silo-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.silo-btns button {
  background: transparent;
  color: var(--paper);
  border: 3px solid var(--ember);
  padding: 8px 10px;
  font-weight: 700;
}
.silo-btns button.on { background: var(--ember); color: #fff; }

.press-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
.press-grid.three { grid-template-columns: repeat(3, 1fr); }
.soot .press-grid article, .soot .io > div {
  background: var(--soot-2);
  color: var(--paper);
  box-shadow: 8px 8px 0 var(--ember);
}
.io { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.bound { max-width: 46em; }

footer {
  padding: 20px 24px 36px;
  font-family: var(--mono);
  font-size: 12px;
  background: var(--soot);
  color: var(--chip);
  border-top: 6px solid var(--ember);
}

@media (max-width: 900px) {
  .hatch-grid, .press-grid, .press-grid.three, .io, .station, .station.reverse, .line {
    grid-template-columns: 1fr;
  }
  .station.reverse { direction: ltr; }
  .line li { border-right: 0; border-bottom: 4px solid var(--ember); }
  .nav-toggle { display: inline-block; }
  .mill-links {
    display: none;
    position: absolute;
    right: 10px;
    top: 64px;
    flex-direction: column;
    background: var(--soot);
    border: 4px solid var(--ember);
    padding: 10px;
    min-width: 180px;
  }
  .mill-links.open { display: flex; }
  h1 { font-size: clamp(26px, 8vw, 34px); }
  h1 span { white-space: normal; }
}