:root {
  --pine: #10241c;
  --moss: #1c3d30;
  --fog: #e7efe6;
  --paper: #f4efe2;
  --amber: #d08a22;
  --ink: #14221b;
  --mute: #4d5e54;
  --lake: #3e7d78;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Barlow, system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
}
#contours {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.28;
}
.head, main, footer { position: relative; z-index: 1; }

.head {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  padding: 14px 4vw;
  background: rgba(244, 239, 226, 0.94);
  border-bottom: 2px solid var(--pine);
}
.logo {
  font-family: Oswald, sans-serif;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--pine);
  white-space: nowrap;
}
.logo span { color: var(--amber); }
#nav { display: flex; flex-wrap: wrap; gap: 8px 14px; }
#nav a {
  color: var(--mute);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
}
#nav a:hover, #nav a.on { color: var(--amber); }
.pass-btn {
  display: none;
  margin-left: auto;
  background: var(--pine);
  color: var(--amber);
  border: 0;
  padding: 8px 14px;
  font-family: Oswald, sans-serif;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.hero {
  min-height: min(calc(100vh - 72px), 780px);
  padding: 64px 4vw 48px;
  background:
    linear-gradient(120deg, rgba(16, 36, 28, 0.88) 0%, rgba(16, 36, 28, 0.55) 55%, rgba(16, 36, 28, 0.25) 100%),
    url("https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?auto=format&fit=crop&w=1800&q=80") center/cover;
  color: var(--fog);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.pin {
  font-family: Oswald, sans-serif;
  letter-spacing: 0.16em;
  color: var(--amber);
  font-size: 0.85rem;
  margin-bottom: 14px;
}
.hero h1 {
  font-family: Oswald, sans-serif;
  font-size: clamp(3rem, 9vw, 7rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  max-width: 12ch;
}
.hero h1 em { color: var(--amber); font-style: normal; }
.lede { max-width: 62ch; margin: 18px 0 26px; font-size: 1.05rem; }
.hero-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-amber, form button {
  background: var(--amber);
  color: #1a1408;
  border: 0;
  padding: 12px 18px;
  font-family: Oswald, sans-serif;
  letter-spacing: 0.08em;
  text-decoration: none;
  cursor: pointer;
  font-size: 1rem;
}
.btn-ghost {
  border: 1px solid var(--fog);
  color: var(--fog);
  padding: 12px 18px;
  text-decoration: none;
  font-family: Oswald, sans-serif;
  letter-spacing: 0.08em;
}
.marks {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 200px));
  gap: 20px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(231, 239, 230, 0.25);
}
.marks b {
  display: block;
  font-family: Oswald, sans-serif;
  font-size: 2.2rem;
  color: var(--amber);
  line-height: 1;
}
.marks span { font-size: 0.88rem; }

.band { padding: 72px 4vw; }
.band.dark { background: var(--pine); color: var(--fog); }
.band.moss { background: #dfe8dc; }
.band-head span {
  font-family: Oswald, sans-serif;
  letter-spacing: 0.14em;
  color: var(--amber);
  font-size: 0.85rem;
}
h2 {
  font-family: Oswald, sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
  margin: 8px 0 20px;
  max-width: 18ch;
  letter-spacing: 0.02em;
}
h3 {
  font-family: Oswald, sans-serif;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.lead, .cols2 p { margin-bottom: 14px; }
.band:not(.dark) .lead, .band:not(.dark) .cols2 p { color: var(--mute); }
.cols2, .world-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
}
.world-grid { grid-template-columns: repeat(3, 1fr); }
.ridge-card {
  background: #163328;
  padding: 24px;
  border-left: 4px solid var(--amber);
}
.ridge-card ul { margin-left: 18px; }
.ridge-card li { margin: 8px 0; }
.tiles4, .lease-grid, .trace {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.tiles4 article, .lease-grid article, .trace article {
  background: #fffdf6;
  padding: 20px;
  border-top: 4px solid var(--lake);
}
.band.dark .tiles4 article, .band.dark .world-grid article {
  background: #163328;
  color: var(--fog);
  border-top-color: var(--amber);
}
.note {
  margin-top: 24px;
  padding: 16px 18px;
  background: rgba(62, 125, 120, 0.12);
  border-left: 4px solid var(--lake);
  color: var(--mute);
}
.goods { margin-left: 18px; }
.goods li { margin: 8px 0; }
.trail { margin: 24px 0 0 18px; }
.trail li { margin: 10px 0; }

.route-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.route-tabs button {
  background: transparent;
  color: var(--fog);
  border: 1px solid rgba(231, 239, 230, 0.35);
  padding: 8px 14px;
  font-family: Oswald, sans-serif;
  letter-spacing: 0.06em;
  cursor: pointer;
}
.route-tabs button.on { background: var(--amber); color: #1a1408; border-color: var(--amber); }
.route-panel { display: none; max-width: 70ch; }
.route-panel.on { display: block; }
.route-panel p { margin: 10px 0; }
.meta {
  font-family: Oswald, sans-serif;
  color: var(--lake);
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}
.faq details { padding: 12px 0; border-bottom: 1px solid rgba(20, 34, 27, 0.15); }
.faq summary { cursor: pointer; font-weight: 700; font-family: Oswald, sans-serif; letter-spacing: 0.04em; }
.faq p { margin-top: 8px; color: var(--mute); }

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  padding: 72px 4vw;
  background: #0c1a14;
  color: var(--fog);
}
.contact h2 { color: var(--amber); }
.contact a { color: var(--amber); }
.legal { margin-top: 14px; color: #b7c7bc; font-size: 0.95rem; }
form { display: grid; gap: 12px; }
label { display: grid; gap: 6px; font-size: 0.88rem; }
input, select, textarea {
  border: 0;
  border-bottom: 1px solid rgba(231, 239, 230, 0.35);
  background: transparent;
  color: var(--fog);
  padding: 10px 0;
  font: inherit;
}
option { color: #111; }
footer {
  padding: 20px 4vw 36px;
  background: #08110d;
  color: #9aada3;
  font-size: 0.9rem;
}
footer a, a { color: var(--amber); }

@media (max-width: 900px) {
  .cols2, .world-grid, .tiles4, .lease-grid, .trace, .contact, .marks {
    grid-template-columns: 1fr;
  }
  #nav { display: none; width: 100%; flex-direction: column; }
  #nav.open { display: flex; }
  .pass-btn { display: inline-block; }
}