/* ==========================================================================
   Safigo Design System — Colors & Type
   Authoritative tokens. Do not modify hex values; do not substitute fonts.
   See README.md and reference/BRAND_SYSTEM.md for the rulebook.
   ========================================================================== */

/* Self-hosted variable fonts. Both display (Cormorant Garamond) and body (Inter)
   are bundled — no external font requests, no FOUT, fully offline. */

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/cormorant-garamond/CormorantGaramond-Variable.ttf') format('truetype-variations'),
       url('../fonts/cormorant-garamond/CormorantGaramond-Variable.ttf') format('truetype');
}
@font-face {
  font-family: 'Cormorant Garamond';
  font-style: italic;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/cormorant-garamond/CormorantGaramond-Italic-Variable.ttf') format('truetype-variations'),
       url('../fonts/cormorant-garamond/CormorantGaramond-Italic-Variable.ttf') format('truetype');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/inter/Inter-Variable.ttf') format('truetype-variations'),
       url('../fonts/inter/Inter-Variable.ttf') format('truetype');
}
@font-face {
  font-family: 'Inter';
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/inter/Inter-Italic-Variable.ttf') format('truetype-variations'),
       url('../fonts/inter/Inter-Italic-Variable.ttf') format('truetype');
}

:root {
  /* ---------- Color tokens (LOCKED) ---------- */
  --safigo-ink:   #1a1a1a;
  --safigo-cream: #faf6f0;
  --safigo-stone: #8e8e8e;
  --safigo-clay:  #c2714a;

  /* Semantic foreground / background */
  --bg:           var(--safigo-cream);
  --bg-inverse:   var(--safigo-ink);
  --fg:           var(--safigo-ink);          /* primary text */
  --fg-muted:     var(--safigo-stone);        /* secondary text, labels */
  --fg-inverse:   var(--safigo-cream);        /* text on Ink */
  --accent:       var(--safigo-clay);         /* logo + 1 hover/CTA per page */

  /* Hairline rules — Ink at low alpha (Aesop pattern) */
  --rule:         rgba(26,26,26,0.10);
  --rule-strong:  rgba(26,26,26,0.30);
  --rule-soft:    rgba(26,26,26,0.06);

  /* ---------- Type stacks (LOCKED) ---------- */
  --font-display: "Cormorant Garamond", "Canela", "Tiempos Headline", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Tracking */
  --tracking-display: -0.012em;
  --tracking-hero:    -0.018em;
  --tracking-eyebrow:  0.18em;   /* uppercase labels */
  --tracking-meta:     0.04em;   /* small caps meta lines */

  /* ---------- Type scale ---------- */
  --fs-hero:    clamp(56px, 9vw, 112px);   /* H1, hero only */
  --fs-h1:      clamp(40px, 5vw, 64px);
  --fs-h2:      clamp(28px, 3vw, 40px);
  --fs-h3:      26px;
  --fs-h4:      22px;
  --fs-display-lead: 24px;                 /* italic serif lead-in / pull quote */
  --fs-body-lg: clamp(18px, 1.6vw, 22px);  /* hero sub */
  --fs-body:    16px;
  --fs-small:   14.5px;
  --fs-meta:    13px;
  --fs-eyebrow: 11px;                      /* uppercase label */

  /* Mobile hero override applied via media query below */

  /* ---------- Spacing (8px base, generous Aesop rhythm) ---------- */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  16px;
  --sp-4:  24px;
  --sp-5:  32px;
  --sp-6:  48px;
  --sp-7:  72px;
  --sp-8:  120px;
  --sp-9:  140px;

  /* ---------- Radii ---------- */
  --r-sm:   4px;
  --r-md:   8px;
  --r-card: 14px;
  --r-app:  22%;       /* iOS squircle for app icons only */

  /* ---------- Layout ---------- */
  --container-max: 1240px;
  --container-pad: 48px;
  --container-pad-mobile: 24px;

  /* ---------- Motion (deliberately minimal) ---------- */
  --t-fast:  0.12s ease;
  --t-base:  0.2s ease;     /* hover color/border swaps only */
  --ease:    cubic-bezier(0.2, 0.6, 0.2, 1);
}

/* ==========================================================================
   Element defaults — apply to body to inherit Safigo defaults globally
   ========================================================================== */

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }

/* Headlines — Cormorant Garamond, 500, tight tracking */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: var(--tracking-display);
  color: var(--fg);
  margin: 0;
}

h1 {
  font-size: var(--fs-h1);
  line-height: 1.05;
  letter-spacing: var(--tracking-hero);
}
h2 { font-size: var(--fs-h2); line-height: 1.1; }
h3 { font-size: var(--fs-h3); line-height: 1.15; }
h4 { font-size: var(--fs-h4); line-height: 1.2; }

p  { margin: 0 0 1em; max-width: 60ch; }

/* Hero headline — Aesop scale, 14ch max */
.hero-headline {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-hero);
  line-height: 1.02;
  letter-spacing: var(--tracking-hero);
  max-width: 14ch;
  margin: 0;
}
@media (max-width: 640px) {
  .hero-headline { font-size: 40px; line-height: 1.05; max-width: 11ch; }
}

/* Eyebrow — uppercase Inter 500, Stone, wide tracking. The system's only "label" style. */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* Display lead / pull quote — italic Cormorant for "kitchen-table voice" lines */
.display-lead {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: var(--fs-display-lead);
  line-height: 1.4;
  color: var(--fg);
  max-width: 32ch;
  margin: 0;
}
.display-lead.plain { font-style: normal; }

/* Body large — hero sub */
.body-lg {
  font-size: var(--fs-body-lg);
  line-height: 1.5;
  color: var(--fg);
  max-width: 42ch;
}

/* Meta — small Stone label for under-card captions */
.meta {
  font-family: var(--font-body);
  font-size: var(--fs-meta);
  letter-spacing: var(--tracking-meta);
  color: var(--fg-muted);
}

/* Clay accent — only for the manifesto <em>, hover states, and the logo. NEVER body text. */
.accent { color: var(--accent); font-style: normal; }

/* Hairline divider */
.rule { border: 0; border-top: 1px solid var(--rule); }

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}
@media (max-width: 640px) {
  .container { padding: 0 var(--container-pad-mobile); }
}