/* ============================================================
   DESIGN TOKENS
   Concept: "instrument panel / specification sheet" — the visual
   language shared by flight decks, watch dials, yacht helms, and
   car dashboards. Not generic "gold on black luxury."
   ============================================================ */

:root {
  /* Color */
  --color-bg: #FAF8F4;          /* bone white, main background */
  --color-bg-panel: #F1ECE1;    /* slightly deeper panel background */
  --color-ink: #1C1B1A;         /* warm graphite, primary text */
  --color-ink-soft: #57534A;    /* secondary text */
  --color-inverse: #EDE8DE;     /* text on dark backgrounds */
  --color-dark: #1C1B1A;        /* header/footer background */
  --color-accent: #B8863E;      /* instrument-dial brass */
  --color-accent-2: #2E4A45;    /* deep instrument teal */
  --color-border: #DCD5C4;      /* hairline rule color */
  --color-border-dark: #3A3835;

  /* Type */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout */
  --max-prose: 700px;
  --max-page: 1120px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
}

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

* { box-sizing: border-box; }

html {
  scroll-padding-top: env(safe-area-inset-top, 0px);
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 2vw, 1.7rem); margin-top: var(--space-4); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 var(--space-2); max-width: var(--max-prose); }

a {
  color: var(--color-accent-2);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { color: var(--color-accent); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  max-width: var(--max-page);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

main.container {
  padding-top: var(--space-4);
  padding-bottom: var(--space-2);
}

/* ---------- Site header / footer ---------- */

.site-header {
  background: var(--color-dark);
  color: var(--color-inverse);
  border-bottom: 1px solid var(--color-border-dark);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}
.brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-inverse);
  text-decoration: none;
  font-weight: 600;
}
.site-nav { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.site-nav a {
  color: var(--color-inverse);
  text-decoration: none;
  font-size: 0.92rem;
  opacity: 0.85;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
}
.site-nav a:hover { opacity: 1; border-bottom-color: var(--color-accent); color: var(--color-inverse); }

@media (max-width: 640px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }
  .brand { font-size: 1.15rem; }
  .site-nav { gap: 0.7rem 1rem; width: 100%; }
  .site-nav a { font-size: 0.85rem; }
}

.site-footer {
  background: var(--color-dark);
  color: var(--color-inverse);
  margin-top: var(--space-5);
  padding: var(--space-4) 0 var(--space-3);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: flex-start;
}
.footer-links { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.footer-links a { color: var(--color-inverse); opacity: 0.75; font-size: 0.88rem; }
.footer-note { font-size: 0.8rem; opacity: 0.55; max-width: 640px; margin-top: var(--space-2); }

/* ---------- Stat bar (gauge-cluster style) ---------- */

.stat-bar {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin: var(--space-3) 0;
}
.stat-bar > div {
  flex: 1 1 150px;
  padding: var(--space-2) var(--space-3) var(--space-2) 0;
  border-right: 1px solid var(--color-border);
}
.stat-bar > div:last-child { border-right: none; }
.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--color-ink-soft);
  margin-bottom: 0.2rem;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
}

/* ---------- Spec table ---------- */

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-2) 0 var(--space-4);
  font-variant-numeric: tabular-nums;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
}
.spec-table th {
  font-size: 0.78rem;
  color: var(--color-ink-soft);
  font-weight: 600;
  border-bottom: 2px solid var(--color-ink);
}

/* ---------- Route/spec cards (hub pages) ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-2);
  margin: var(--space-3) 0 var(--space-4);
}
.spec-card {
  border: 1px solid var(--color-border);
  padding: var(--space-2);
  text-decoration: none;
  color: var(--color-ink);
  display: block;
  position: relative;
}
.spec-card:hover { border-color: var(--color-accent); }
.spec-card .card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}
.spec-card .card-meta { font-size: 0.82rem; color: var(--color-ink-soft); }

/* ---------- FAQ ---------- */

.faq-item { border-top: 1px solid var(--color-border); padding: var(--space-2) 0; }
.faq-item:last-child { border-bottom: 1px solid var(--color-border); }
.faq-item h3 { margin-bottom: 0.3rem; font-size: 1rem; font-family: var(--font-body); font-weight: 600; }

/* ---------- Ad slots ---------- */

.ad-slot {
  margin: var(--space-3) 0;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--color-border);
  color: var(--color-ink-soft);
  font-size: 0.75rem;
}

/* ---------- Disclaimer / notes ---------- */

.disclaimer {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-2);
  margin-top: var(--space-4);
}

.hub-hero {
  background: var(--color-bg-panel);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  margin-bottom: var(--space-3);
}