/* GeoDetective — base.css — Design tokens + typography */
@import url('https://fonts.googleapis.com/css2?family=Special+Elite&family=IM+Fell+English:ital@0;1&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  /* Palette — noir warm dark */
  --bg:        #0E0C08;
  --bg2:       #1A1710;
  --bg3:       #131109;
  --surface:   #1A1710;
  --border:    #2E2A1E;
  --gold:      #C49336;
  --gold-dim:  #7A5C1E;
  --gold-light:#E8C060;
  --red:       #B71C1C;
  --red-dim:   #7A1212;
  --ink:       #DAD0B8;
  --mut:       #7A7060;
  --mut2:      #4A4535;

  /* Typography scale */
  --font-display: 'Special Elite', 'Courier New', monospace;
  --font-serif:   'Lora', Georgia, serif;
  --font-serif-deco: 'IM Fell English', Georgia, serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radii */
  --radius-sm: 2px;
  --radius:    4px;
  --radius-lg: 8px;

  /* Shadows */
  --shadow-gold: 0 0 30px rgba(196, 147, 54, 0.15);
  --shadow-card: 0 2px 16px rgba(0,0,0,0.6);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Grain texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.04;
}

/* Gold radial glow top */
body::after {
  content: '';
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(196,147,54,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--ink);
}

h1 { font-size: clamp(var(--text-3xl), 6vw, var(--text-6xl)); }
h2 { font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl)); }
h3 { font-size: clamp(var(--text-xl), 3vw, var(--text-3xl)); }
h4 { font-size: var(--text-xl); }

p { max-width: 70ch; }

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-light); }

strong { color: var(--ink); font-weight: 700; }

/* Gold text gradient */
.text-gold {
  color: var(--gold);
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 50%, var(--gold-dim) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-red { color: var(--red); }
.text-mut { color: var(--mut); }

/* Utility */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: 1;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Horizontal rule noir */
.rule-gold {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
  margin: var(--space-8) auto;
  max-width: 400px;
}

/* Section heading style */
.section-heading {
  text-align: center;
  margin-bottom: var(--space-12);
}
.section-heading .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-dim);
  display: block;
  margin-bottom: var(--space-3);
}
.section-heading h2 { color: var(--ink); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg3); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 3px; }

/* Focus */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}