/* Canyons 100k 2026 — shared styles */
:root {
  --bg: #f4ede0;
  --bg-2: #ece2cf;
  --ink: #1b1410;
  --ink-2: #4a3a2e;
  --muted: #7a6a5a;
  --line: #2a1f17;
  --line-soft: rgba(42, 31, 23, 0.18);
  --paper: #fbf6ea;
  --ember: #d4478a;          /* route / accent */
  --ember-2: #9e2a63;
  --sierra: #3b5b3a;          /* alt accent */
  --dusk: #5b3a6e;
  --gold: #c79f45;
  --crew: #2e5d7a;

  --serif: "Fraunces", "Domaine", "Playfair Display", Georgia, serif;
  --sans: "Inter Tight", "Inter", ui-sans-serif, system-ui, -apple-system, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.serif { font-family: var(--serif); font-weight: 500; letter-spacing: -0.015em; }
.mono  { font-family: var(--mono); }
.kicker { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.hairline { height: 1px; background: var(--line-soft); border: 0; margin: 0; }
.rule-ink { height: 1px; background: var(--line); border: 0; margin: 0; }

/* Topographic paper background */
.topo-bg {
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 800px 500px at 15% 20%, rgba(193, 74, 29, 0.05), transparent 60%),
    radial-gradient(ellipse 700px 600px at 85% 80%, rgba(59, 91, 58, 0.05), transparent 60%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='600' height='600' viewBox='0 0 600 600'><g fill='none' stroke='%232a1f17' stroke-width='0.5' stroke-opacity='0.08'><path d='M0,300 Q150,260 300,300 T600,300' /><path d='M0,320 Q150,285 300,320 T600,320' /><path d='M0,280 Q150,235 300,280 T600,280' /><path d='M0,260 Q150,210 300,260 T600,260' /><path d='M0,340 Q150,310 300,340 T600,340' /><path d='M0,360 Q150,335 300,360 T600,360' /><path d='M0,240 Q150,185 300,240 T600,240' /><path d='M0,380 Q150,360 300,380 T600,380' /><path d='M0,220 Q150,160 300,220 T600,220' /><path d='M0,400 Q150,385 300,400 T600,400' /><path d='M0,200 Q150,135 300,200 T600,200' /><path d='M0,420 Q150,410 300,420 T600,420' /><path d='M0,180 Q150,110 300,180 T600,180' /><path d='M0,440 Q150,435 300,440 T600,440' /></g></svg>");
  background-attachment: fixed;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav .brand {
  display: flex; align-items: baseline; gap: 12px;
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: -0.01em;
}
.nav .brand .mark {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.nav a:hover, .nav a.active { border-color: var(--ember); }
.nav nav { display: flex; gap: 28px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.02em;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 0;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.btn:hover { background: var(--ember); border-color: var(--ember); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }

/* Leaflet tweaks */
.leaflet-container { background: #e8dfcc; font-family: var(--sans); }
.leaflet-popup-content-wrapper {
  border-radius: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 4px 4px 0 rgba(42,31,23,0.1);
}
.leaflet-popup-tip { background: var(--paper); border: 1px solid var(--line); }
.leaflet-popup-content { margin: 14px 16px; font-size: 13px; line-height: 1.5; }
.leaflet-control-zoom a {
  background: var(--paper) !important;
  color: var(--ink) !important;
  border: 1px solid var(--line) !important;
  border-radius: 0 !important;
  font-family: var(--serif);
}

.aid-marker {
  display: flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  background: var(--paper);
  border: 1.5px solid var(--line);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
  box-shadow: 0 2px 0 rgba(0,0,0,0.15);
}
.aid-marker.crew { background: var(--crew); color: var(--paper); border-color: var(--line); }
.aid-marker.start { background: var(--ink); color: var(--paper); }
.aid-marker.finish { background: var(--ember); color: var(--paper); }

/* ============ Mobile ============ */
@media (max-width: 640px) {
  .nav { padding: 12px 18px; }
  .nav .brand { font-size: 14px; }
  .nav .brand .mark { font-size: 9.5px; letter-spacing: 0.14em; }
  .nav nav { gap: 18px; }
  .nav a { font-size: 13px; padding: 4px 0; }
}

@media (max-width: 430px) {
  .nav {
    width: 100vw;
    max-width: 100vw;
    padding: 12px 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    overflow-x: clip;
  }
  .nav .brand { width: 100%; }
  .nav nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    gap: 8px;
  }
  .nav a {
    text-align: center;
    font-size: 12.5px;
    padding: 6px 0;
  }
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 22px 24px;
}
.card.inset { padding: 16px 18px; }