:root {
  --bg: #161311;
  --bg-alt: #1f1a16;
  --text: #ece1cc;
  --muted: #b9ab92;
  --accent: #c9a227;
  --border: #3a322b;

  --tier1-a: #e4d5b7; /* bone/sand */
  --tier1-b: #6fb1d6; /* sky blue */
  --tier2-a: #c1602d; /* terracotta */
  --tier2-b: #cc5200; /* deep orange */
  --tier3-a: #7a2e1d; /* burnt red */
  --tier3-b: #2e2a26; /* charcoal */
  --tier4-a: #0e0c0b; /* near black */
  --tier4-b: #c9a227; /* gold */
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

h1,
h2,
h3 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0.02em;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
}

.site-title {
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--text);
}

.site-title span {
  color: var(--accent);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

main {
  padding: 2.5rem 0 4rem;
}

.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.hero .tagline {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 36rem;
  margin: 0 auto 2rem;
}

.btn-row {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.4rem;
  border-radius: 4px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.btn:hover {
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
}

.btn.solid {
  background: var(--accent);
  color: var(--bg);
}

.btn.solid:hover {
  opacity: 0.85;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  background: var(--bg-alt);
}

.tier-card {
  display: block;
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.tier-card:hover {
  opacity: 0.88;
  text-decoration: none;
}

.req-banner {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  margin: 0.5rem 0 1rem;
}

.tier-card h3 {
  margin: 0.25rem 0 0.5rem;
}

.tier-card .req {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  opacity: 0.85;
}

.tier-1 {
  background: linear-gradient(135deg, var(--tier1-a), var(--tier1-b));
  color: #1a1a1a;
}

.tier-2 {
  background: linear-gradient(135deg, var(--tier2-a), var(--tier2-b));
  color: #fff;
}

.tier-3 {
  background: linear-gradient(135deg, var(--tier3-a), var(--tier3-b));
  color: #f1e6d3;
}

.tier-4 {
  background: linear-gradient(135deg, var(--tier4-a), var(--tier4-b));
  color: #f5ecd2;
}

.tier-5 {
  background: linear-gradient(
    135deg,
    var(--tier1-a),
    var(--tier1-b),
    var(--tier2-a),
    var(--tier2-b),
    var(--tier3-a),
    var(--tier3-b),
    var(--tier4-a),
    var(--tier4-b)
  );
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.ultra-section {
  margin-top: 2.5rem;
}

.ultra-card {
  margin-top: 1.5rem;
  padding: 2.5rem;
  border-radius: 10px;
}

.ultra-card h3 {
  font-size: 1.75rem;
}

table.leaderboard {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
}

table.leaderboard th,
table.leaderboard td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

table.leaderboard th {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 8px;
  margin-top: 1.5rem;
}

.placeholder {
  color: var(--muted);
  font-style: italic;
}

.stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
  font-size: 0.9rem;
}

.stats .label {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.route-photo {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.85rem;
  font-style: italic;
  text-align: center;
  text-decoration: none;
  margin-bottom: 1rem;
}

.route-photo:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.route-photo-lg {
  aspect-ratio: 16 / 9;
  max-width: 640px;
  font-size: 1rem;
}

.form-embed {
  margin-top: 1.5rem;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }
}