/* ============================================================
   VERNAL — global.css
   Design system extracted from WD v1 HTML concepts.
   Canonical token naming: --c-* prefix.
   Source: Approved WD concepts, Handoffs/Vernal/Approved/
   ============================================================ */

:root {
  /* ── Color — Brand ──────────────────────────────────────── */
  --c-primary:         #4A6B40;
  --c-primary-hover:   #3D5C35;
  --c-primary-dark:    #2E4527;
  --c-primary-light:   #D8EBD5;
  --c-primary-subtle:  #EEF5ED;

  --c-secondary:       #7A5C3E;   /* soil brown */
  --c-secondary-light: #9A7A58;

  --c-gold:            #E6B85C;   /* wordmark period, CTA button */
  --c-gold-muted:      #C8922A;

  /* ── Color — Nav / Footer ───────────────────────────────── */
  --c-nav-bg:          #344D2C;   /* dark green chrome, confirmed WD 2026-05-21 */

  /* ── Color — Surface ────────────────────────────────────── */
  --c-bg:              #F5F1EB;   /* parchment — page background */
  --c-surface:         #FDFCF9;
  --c-surface-raised:  #EDE9E2;
  --c-surface-inset:   #E5E0D7;

  /* ── Color — Border ─────────────────────────────────────── */
  --c-border:          #D2CABF;
  --c-border-subtle:   #E5E1DA;

  /* ── Color — Text ───────────────────────────────────────── */
  --c-text:            #2A2318;
  --c-text-2:          #584F42;
  --c-text-3:          #8A8078;
  --c-text-on-primary: #F5F1EB;   /* text on dark green surfaces */

  /* ── Color — Semantic ───────────────────────────────────── */
  --c-danger:          #B03A3A;
  --c-danger-bg:       #F5E0E0;
  --c-success:         #2E7D32;

  /* ── Admin Sidebar ──────────────────────────────────────── */
  /* Used by admin UI (Phase 14). Defined here so admin.css can
     override individual values without redefining the full palette. */
  --sb-bg:             #2E4527;
  --sb-text:           rgba(245, 241, 235, 1);
  --sb-text-muted:     rgba(245, 241, 235, 0.58);
  --sb-text-dim:       rgba(245, 241, 235, 0.30);
  --sb-active-bg:      rgba(245, 241, 235, 0.12);
  --sb-hover-bg:       rgba(245, 241, 235, 0.07);
  --sb-border:         rgba(245, 241, 235, 0.10);
  --sb-label:          rgba(245, 241, 235, 0.38);

  /* ── Typography ─────────────────────────────────────────── */
  --font-display:      'Lora', Georgia, serif;
  --font-ui:           'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* ── Spacing ────────────────────────────────────────────── */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  24px;
  --sp-6:  32px;
  --sp-7:  48px;
  --sp-8:  64px;
  --sp-9:  96px;

  /* ── Border Radius ──────────────────────────────────────── */
  --r-sm:   4px;
  --r-md:   8px;
  --r-lg:   12px;
  --r-xl:   16px;
  --r-full: 9999px;

  /* ── Shadows ────────────────────────────────────────────── */
  --shadow-sm: 0 1px 2px rgba(42, 35, 24, 0.06);
  --shadow-md: 0 2px 8px rgba(42, 35, 24, 0.08), 0 1px 2px rgba(42, 35, 24, 0.04);
  --shadow-lg: 0 8px 24px rgba(42, 35, 24, 0.10), 0 2px 6px rgba(42, 35, 24, 0.05);

  /* ── Transitions ────────────────────────────────────────── */
  --ease:   cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 120ms;
  --t-base: 200ms;

  /* ── Layout ─────────────────────────────────────────────── */
  --max-w:   1120px;
  --post-w:  720px;
  --prose-w: 680px;

  /* Extended tokens — added Phase 04: homepage-specific */
  --c-green-light:   #D8EBD5;   /* cap-card icons, post card accent bars */
  --c-green-subtle:  #EEF5ED;   /* cap-card icon backgrounds */
}

/* ============================================================
   BASE RESET
   ============================================================ */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-ui);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  min-height: 100vh;
}

img, video {
  max-width: 100%;
  display: block;
}

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

/* Centered content container — responsive horizontal padding */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--sp-7); }
}

/* Narrower prose container for long-form reading surfaces */
.container-prose {
  max-width: var(--prose-w);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

@media (min-width: 768px) {
  .container-prose { padding: 0 var(--sp-7); }
}

/* Section eyebrow label — uppercase small caps above headings */
.eyebrow {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-primary);
}

/* Visually hidden but accessible to screen readers */
.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;
}