/* Yellowstone Itinerary — shared brand tokens & base styles */

:root {
  --green:        #1f3a2e;
  --green-deep:   #162920;
  --green-soft:   #2c5040;
  --green-tint:   #e8efe9;
  --cream:        #faf6ef;
  --cream-warm:   #f3ece0;
  --cream-card:   #fbf6ec;
  --border:       rgba(31, 58, 46, 0.12);
  --border-strong:rgba(31, 58, 46, 0.22);
  --ink:          #1f3a2e;
  --muted:        #6b6354;
  --faint:        #9a8f7d;
  --amber:        #e9b949;
  --amber-deep:   #c8941d;
  --pill:         rgba(31, 58, 46, 0.06);

  --serif: 'Lora', 'Source Serif Pro', Georgia, serif;
  --sans:  'DM Sans', -apple-system, system-ui, sans-serif;

  --maxw: 1240px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Top nav ──────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgb(250, 246, 239);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 18px 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img {
  height: 56px; width: auto;
  /* Blend the white logo bg into the cream nav */
  mix-blend-mode: multiply;
}

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--green);
  letter-spacing: -0.01em;
  position: relative;
}
.nav-links a:hover { color: var(--green-deep); }
.nav-cta {
  background: var(--green); color: var(--cream) !important;
  padding: 10px 18px; border-radius: 999px; font-weight: 600;
  font-size: 13px; letter-spacing: -0.01em;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--green-deep) !important; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 22px; border-radius: 12px;
  font-family: var(--sans); font-weight: 600; font-size: 15px;
  letter-spacing: -0.01em; cursor: pointer; border: none;
  transition: transform 0.1s, background 0.15s, box-shadow 0.15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--green); color: var(--cream);
  box-shadow: 0 6px 14px rgba(31,58,46,0.22);
}
.btn-primary:hover { background: var(--green-deep); }
.btn-ghost {
  background: transparent; color: var(--green);
  border: 1.5px solid var(--border-strong);
}
.btn-ghost:hover { background: var(--pill); }

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--green); color: var(--cream);
  padding: 60px 28px 32px;
  margin-top: 80px;
}
.footer-inner {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px;
}
.footer-brand .mark {
  font-family: var(--serif); font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  font-size: 13px; line-height: 1.3;
}
.footer-brand p {
  margin: 14px 0 0; max-width: 320px;
  color: rgba(250,246,239,0.7); font-size: 14px; line-height: 1.55;
}
.footer-col h4 {
  font-family: var(--sans); font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(250,246,239,0.5); margin: 0 0 18px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-col a { font-size: 14px; color: rgba(250,246,239,0.85); }
.footer-col a:hover { color: var(--cream); }
.footer-bottom {
  max-width: var(--maxw); margin: 48px auto 0;
  padding-top: 24px; border-top: 1px solid rgba(250,246,239,0.12);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: rgba(250,246,239,0.55);
}
@media (max-width: 760px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .nav-links { gap: 16px; }
  .nav-links .hide-sm { display: none; }
}

/* ── Reusable section helpers ─────────────────────────────── */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--amber-deep);
}
.eyebrow.on-dark { color: var(--amber); }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; }
p { line-height: 1.65; }