:root {
  --soil: #3a2a18;
  --soil-2: #4a3824;
  --leaf: #4a7a32;
  --straw: #e8c86a;
  --ink: #24180e;
  --mute: #7a6a50;
  --display: "Petrona", "Noto Serif 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: 68px; }
body {
  margin: 0;
  color: var(--ink);
  background: #efe4c8;
  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(--leaf); text-decoration: underline; text-underline-offset: 3px; }
button { font-family: inherit; cursor: pointer; }
label { display: block; font-size: 13px; color: var(--mute); }
input[type="range"] { width: min(280px, 100%); accent-color: var(--leaf); }
.soil {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 6;
  opacity: 0.12;
  background-image: url("images/texture.webp");
  background-size: 320px auto;
  mix-blend-mode: multiply;
}
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 80; background: var(--straw); padding: 8px; }
.ridge {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 22px;
  background: var(--soil);
  color: var(--straw);
  border-bottom: 4px solid var(--leaf);
}
.brand { font-family: var(--display); font-weight: 700; }
.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: #c4b090;
  font-weight: 400;
}
.nav-toggle {
  display: none;
  background: var(--straw);
  color: var(--soil);
  border: 0;
  padding: 6px 12px;
}
.plot-links { display: flex; gap: 14px; font-size: 14px; flex-wrap: wrap; }
.plot-links a { color: #c4b090; }
.plot-links a.is-active, .plot-links a:hover { color: var(--straw); }
.plot-links .live { background: var(--leaf); color: #f4ead0; padding: 6px 12px; }
.field {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  min-height: calc(100vh - 56px);
}
.field figure { margin: 0; }
.field img { width: 100%; height: 100%; object-fit: cover; min-height: 100%; }
.straw { padding: 7vh 32px; background: var(--straw); }
.kicker {
  font-family: var(--mono);
  letter-spacing: 0.16em;
  font-size: 11px;
  color: var(--leaf);
  margin: 0 0 12px;
}
h1, h2, h3 { font-family: var(--display); margin: 0 0 12px; line-height: 1.15; }
h1 { font-size: clamp(30px, 4.4vw, 48px); }
h2 { font-size: clamp(22px, 2.8vw, 34px); }
.lead { max-width: 40em; color: #3a2a18; }
.mu {
  margin: 20px 0;
  padding: 14px 16px;
  background: #f4ead0;
  border: 3px solid var(--soil);
  max-width: 30em;
}
.mu.is-ok { border-color: var(--leaf); }
.n { font-family: var(--display); font-size: 44px; margin: 0 0 6px; }
.n span { font-size: 18px; color: var(--mute); }
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; padding: 10px 16px; border: 1px solid currentColor; font-size: 14px; }
.btn.leaf { background: var(--leaf); color: #f4ead0; border-color: var(--leaf); }
.btn.line { color: var(--soil); }
.w { width: min(1040px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0; }
.dirt { background: var(--soil-2); color: #f4ead0; }
.dirt .kicker { color: var(--straw); }
.tri { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-top: 20px; }
.tri article { background: #f4ead0; color: var(--ink); padding: 16px; }
.dirt .tri article { background: var(--soil); color: #f4ead0; }
.tri ul, .io ul, #rules ol { margin: 0; padding-left: 1.1em; }
.steps { padding-left: 1.2em; max-width: 48em; }
.steps li { margin-bottom: 10px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.pair img { width: 100%; height: 240px; object-fit: cover; }
.pair figcaption { font-size: 13px; color: #c4b090; margin-top: 8px; }
#need, #moist, #rules { background: #efe4c8; }
#rules ol {
  background: #f4ead0;
  padding: 16px 16px 16px 36px;
  border-left: 8px solid var(--leaf);
  max-width: 46em;
}
.io { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.io > div { background: var(--soil); padding: 16px; }
.url { margin-top: 18px; font-family: var(--mono); font-size: 13px; }
footer { padding: 20px 24px 40px; color: var(--mute); font-size: 13px; }
@media (max-width: 900px) {
  .field, .tri, .pair, .io { grid-template-columns: 1fr; }
  .field img { min-height: 42vh; height: 42vh; }
  .nav-toggle { display: inline-block; }
  .ridge { flex-wrap: wrap; }
  .plot-links {
    display: none;
    width: 100%;
    flex-direction: column;
    background: #2a1c10;
    padding: 12px;
  }
  .plot-links.open { display: flex; }
  .straw { padding: 28px 18px 36px; }
}