/* ═══════════════════════════════════════════════════
   TOKENS — Zane Davis Portfolio
   Visual Identity System v1.0
   ═══════════════════════════════════════════════════ */

/* ─── RESET ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

/* ─── DESIGN TOKENS ──────────────────────────────── */
:root {
  /* Color */
  --bg:             #F5F2EC;
  --text-primary:   #1A1A17;
  --text-body:      #3A3A37;   /* promoted from hardcoded hex — OD-1 */
  --text-muted:     #5E5E59;   /* labels, meta — WCAG AA 4.6:1 on --bg */
  --text-faint:     #6E6E69;   /* footer — WCAG AA 4.5:1 on --bg */
  --border:         #D6D2CA;
  --border-light:   #E5E2DB;
  --nav-border:     #C8C4BC;
  --accent-green:   #3D7A4E;   /* status dot only — WCAG AA */

  /* Typography */
  --sans:  'Inter', system-ui, sans-serif;
  --sans-condensed: 'Archivo Narrow', system-ui, sans-serif;
  --serif: 'Source Serif 4', Georgia, serif;
  --mono:  'JetBrains Mono', ui-monospace, monospace;

  /* Layout */
  --max-w:    660px;   /* activated for long-form prose — OD-2 */
  --px:       28px;
  --page-px:  160px;  /* renamed from --nav-px; all sections share this — OD-3 */

  /* Motion — OD-6 */
  --transition-base: 0.18s ease;
  --transition-fast: 0.10s ease;
}

/* ─── BASE ───────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { opacity: 0.75; }

/* WCAG 2.4.7 — visible keyboard focus */
:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* Screen-reader only utility */
.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;
}