:root {
  --text: #2a2220;
  --muted: #5d6576;
  --border: #dfe3ea;
  --paper: #f7f6f2;
  --panel: #ffffff;
  /* Logo 28 colours: rock, wine (lines and word) and sage (forest). */
  --rock: #9c3b25;
  --wine: #5e1a15;
  --sage: #6a9a62;
  --code: #f0f2f6;
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--rock); }
h1, h2 { color: var(--wine); line-height: 1.15; font-family: Outfit, system-ui, sans-serif; font-weight: 600; }
h2 { font-size: 24px; margin: 0 0 12px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.92em; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px max(16px, calc((100vw - 1040px) / 2)); background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--wine);
  font-family: Outfit, system-ui, sans-serif; font-weight: 600; font-size: 22px; letter-spacing: 0.02em; }
.top nav { display: flex; gap: 18px; flex-wrap: wrap; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.top nav a:hover { color: var(--wine); }

main { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
section { padding: 40px 0; border-bottom: 1px solid var(--border); }
section:last-child { border-bottom: none; }

.hero { padding: 64px 0 32px; border-bottom: none; }
.hero h1 { margin: 0; line-height: 0; }
.hero .lockup { width: min(520px, 100%); height: auto; }
.tagline { font-size: clamp(20px, 3vw, 26px); color: var(--rock); margin: 14px 0 18px; font-weight: 500;
  font-family: Outfit, system-ui, sans-serif; }
.lead { font-size: 18px; max-width: 680px; color: var(--muted); margin: 0; }

.pilot { padding-top: 8px; }
.map-wrap { position: relative; height: min(70vh, 620px); border-radius: 10px; overflow: hidden;
  border: 1px solid var(--border); background: #e8e6df; }
#map { position: absolute; inset: 0; }
.map-message { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 18px; }
/* display:flex above would otherwise override [hidden] and cover the map, blocking drag. */
.map-message[hidden] { display: none; }
.maplibregl-ctrl.zoom-level { background: rgba(255, 255, 255, 0.8); padding: 0 5px; border-radius: 3px;
  font: 11px/18px ui-monospace, SFMono-Regular, Menlo, monospace; color: #333; }
.cells-control button { width: auto; padding: 0 10px; font: 600 12px/29px inherit; color: var(--wine); }
.caption { color: var(--muted); font-size: 14px; margin: 8px 0 0; }

.features { padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px; margin: 0; }
.features li { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; }
.features b { color: var(--wine); }

pre { background: var(--code); border-radius: 8px; padding: 14px 16px; overflow-x: auto; font-size: 13px; }
.note { color: var(--muted); font-size: 14px; }

footer { max-width: 1040px; margin: 0 auto; padding: 24px 16px 40px; display: flex; flex-wrap: wrap;
  justify-content: space-between; gap: 8px; color: var(--muted); font-size: 13px; }

/* --- Settings panels under the map (settings-panel.js) ------------------------------ */
.settings { margin-top: 18px; display: flex; flex-direction: column; gap: 14px; }
.settings[hidden] { display: none; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px 18px; }
.panel[hidden] { display: none; }
.panel.advanced { border-color: #d9c2b8; background: #fffaf7; }
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px 20px;
  flex-wrap: wrap; margin-bottom: 14px; }
.panel-head h3 { margin: 0; font: 600 18px/1.2 Outfit, system-ui, sans-serif; color: var(--wine); }
.panel-head p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.panel-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.button { font: 500 14px/1 inherit; font-family: inherit; padding: 9px 14px; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--border); background: var(--panel); color: var(--text); }
.button:hover:not(:disabled) { border-color: var(--rock); color: var(--rock); }
.button:disabled { opacity: 0.45; cursor: default; }
.button.primary { background: var(--rock); border-color: var(--rock); color: #fff; }
.button.primary:hover:not(:disabled) { background: var(--wine); border-color: var(--wine); color: #fff; }

/* Controls flow in a horizontal grid; the palette row spans the whole panel. */
.controls { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px 22px; }
.control { min-width: 0; }
.control-palette { grid-column: 1 / -1; }
.control-head { display: flex; align-items: center; gap: 8px; min-height: 24px; }
.control-label { font-size: 14px; font-weight: 550; color: var(--text); }
.control-value { margin-left: auto; font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); }
.control-reset { border: none; background: none; color: var(--rock); cursor: pointer; font-size: 15px;
  padding: 0 2px; line-height: 1; visibility: hidden; }
.control.changed .control-reset { visibility: visible; }
.control.changed .control-label::after { content: ''; display: inline-block; width: 6px; height: 6px;
  margin-left: 6px; border-radius: 50%; background: var(--rock); vertical-align: middle; }
.control.changed .control-value { color: var(--rock); font-weight: 600; }
.control-toggle .control-value { display: none; }
.control-hint { margin: 3px 0 0; font-size: 12px; line-height: 1.35; color: var(--muted); }

.control input[type="range"] { width: 100%; margin: 6px 0 0; accent-color: var(--rock); }
.control input[type="checkbox"] { width: 16px; height: 16px; margin: 0; accent-color: var(--rock); }
.control select { width: 100%; margin-top: 6px; padding: 7px 8px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--panel); font: inherit; font-size: 14px; color: var(--text); }
.color-row { display: flex; align-items: center; gap: 10px; margin-top: 6px; }
.color-row .control-value { margin-left: 0; }
.control input[type="color"] { width: 44px; height: 30px; padding: 2px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--panel); cursor: pointer; }
.control-color .control-head .control-value { display: none; }

.palette-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.palette-chip { display: flex; align-items: center; gap: 8px; padding: 6px 10px 6px 6px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel); cursor: pointer; font: inherit; font-size: 14px;
  color: var(--text); }
.palette-chip:hover { border-color: var(--rock); }
.palette-chip[aria-checked="true"] { border-color: var(--rock); box-shadow: 0 0 0 1px var(--rock); font-weight: 600; }
.swatch { display: flex; width: 50px; height: 20px; border-radius: 4px; overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08); }
.swatch span { flex: 1; }

/* "Advanced customization" switch. */
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-weight: 550;
  align-self: flex-start; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch-track { position: relative; width: 38px; height: 22px; border-radius: 11px; background: #cfc8bf;
  transition: background 0.15s; flex: none; }
.switch-track::after { content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; transition: transform 0.15s; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); }
.switch input:checked + .switch-track { background: var(--rock); }
.switch input:checked + .switch-track::after { transform: translateX(16px); }
.switch input:focus-visible + .switch-track { outline: 2px solid var(--rock); outline-offset: 2px; }

.feedback-note { margin: 0; max-width: 760px; }