/* BoardBite — base.css
   Single source of truth for typography + color.
   Fonts: Fraunces (display, serif) + Inter (body, sans).
   Banned: Space Grotesk, JetBrains Mono, Space Mono.
*/

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700;9..144,900&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --color-navy: #141E3C;
  --color-red: #DC3545;
  --color-cream: #F5F0EB;
  --color-cream-soft: #FAF7F3;
  --color-ink: #0A0A0A;
  --color-mist: #E8E2DA;
  --color-line: rgba(20, 30, 60, 0.12);

  --size-display: clamp(48px, 7vw, 96px);
  --size-h1: clamp(36px, 5vw, 64px);
  --size-h2: clamp(28px, 3.6vw, 44px);
  --size-h3: clamp(22px, 2.4vw, 30px);
  --size-h4: 20px;
  --size-body: 17px;
  --size-small: 14px;
  --size-micro: 12px;

  --lh-tight: 1.05;
  --lh-display: 1.08;
  --lh-heading: 1.22;
  --lh-body: 1.55;

  --ls-display: -0.02em;
  --ls-heading: -0.01em;
  --ls-body: 0;
  --ls-label: 0.04em;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-card: 0 1px 2px rgba(20,30,60,0.04), 0 8px 24px rgba(20,30,60,0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: var(--lh-body);
  color: var(--color-navy);
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, .display, .h1, .h2, .h3, .h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: var(--ls-heading);
  color: var(--color-navy);
  margin: 0 0 0.4em 0;
}

.display { font-size: var(--size-display); line-height: var(--lh-display); letter-spacing: var(--ls-display); font-weight: 400; }
h1, .h1 { font-size: var(--size-h1); line-height: var(--lh-tight); font-weight: 500; }
h2, .h2 { font-size: var(--size-h2); line-height: var(--lh-heading); font-weight: 500; }
h3, .h3 { font-size: var(--size-h3); line-height: var(--lh-heading); font-weight: 500; }
h4, .h4 { font-size: var(--size-h4); line-height: var(--lh-heading); font-weight: 600; }

p, .body { margin: 0 0 1em 0; }
.lead { font-size: 20px; line-height: 1.5; color: rgba(20,30,60,0.78); }

.eyebrow, .label {
  font-family: var(--font-body);
  font-size: var(--size-small);
  font-weight: 500;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: rgba(20,30,60,0.6);
}

.mono {
  font-family: var(--font-body);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
  letter-spacing: 0;
}

a { color: var(--color-navy); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--color-red); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease, transform 120ms ease;
}
.btn-primary { background: var(--color-navy); color: var(--color-cream); }
.btn-primary:hover { background: var(--color-red); color: var(--color-cream); }
.btn-ghost { background: transparent; color: var(--color-navy); border-color: var(--color-line); }
.btn-ghost:hover { border-color: var(--color-navy); color: var(--color-navy); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section { padding: clamp(64px, 8vw, 120px) 0; }

.card {
  background: var(--color-cream-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: var(--size-small);
  font-weight: 500;
  background: var(--color-mist);
  color: var(--color-navy);
}
.chip-red { background: rgba(220,53,69,0.12); color: var(--color-red); }

hr.rule { border: 0; height: 1px; background: var(--color-line); margin: 48px 0; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 820px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}