/* ============================================================
   ASHFALL — shared site styles
   Palette: warm charcoal ground, oxblood accent, worn gold trim
   ============================================================ */

:root {
  --ground: #17130f;
  --panel: #221c17;
  --panel-raised: #2b241d;
  --line: #3a3128;
  --oxblood: #7a2426;
  --oxblood-bright: #a3312f;
  --gold: #c9a227;
  --gold-dim: #8f7420;
  --bone: #e8e0d0;
  --bone-dim: #a89c88;
  --ok: #5c7a4a;

  --display: 'Oswald', 'Arial Narrow', sans-serif;
  --body: 'Barlow', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ground);
  background-image:
    radial-gradient(ellipse at 15% 0%, rgba(122,36,38,0.14), transparent 55%),
    radial-gradient(ellipse at 85% 100%, rgba(122,36,38,0.10), transparent 50%);
  color: var(--bone);
  font-family: var(--body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--bone); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

h1, h2, h3, .display {
  font-family: var(--display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--bone);
  margin: 0 0 0.5em;
}

p { color: var(--bone-dim); }

/* ---------- Top nav ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(23,19,15,0.9);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--bone);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.brand .mark {
  color: var(--oxblood-bright);
  font-size: 1.3rem;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bone-dim);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--bone);
  border-color: var(--oxblood-bright);
}

/* ---------- Layout shells ---------- */
main { max-width: 1080px; margin: 0 auto; padding: 0 24px 80px; }

.section { padding: 64px 0; }
.section + .section { border-top: 1px solid var(--line); }

.eyebrow {
  font-family: var(--display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-block;
  margin-bottom: 12px;
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--display);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--oxblood-bright);
  background: linear-gradient(180deg, var(--oxblood-bright), var(--oxblood));
  color: var(--bone);
  padding: 13px 28px;
  cursor: pointer;
  border-radius: 2px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
  box-shadow: 0 2px 0 rgba(0,0,0,0.35);
}

.btn:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn:active { transform: translateY(0px); box-shadow: 0 1px 0 rgba(0,0,0,0.35); }

.btn.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--bone-dim);
}
.btn.ghost:hover { border-color: var(--gold-dim); color: var(--bone); }

/* ---------- Cards / panels ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 3px;
}

/* ---------- Video embeds ---------- */
.embed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.embed-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.embed-frame {
  aspect-ratio: 16 / 9;
  width: 100%;
  border: 0;
  display: block;
  background: #000;
}

.embed-label {
  padding: 12px 16px;
  font-family: var(--display);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bone-dim);
  border-top: 1px solid var(--line);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 24px;
  text-align: center;
  color: var(--bone-dim);
  font-size: 0.85rem;
}

/* ---------- Article (guides) ---------- */
.article h2 { margin-top: 1.6em; color: var(--gold); font-size: 1.15rem; }
.article ul { color: var(--bone-dim); }
.article code {
  background: var(--panel-raised);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 0.9em;
  color: var(--bone);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}