/* ── Design System ── */
/* Variables, reset, typography — shared across all pages */

:root {
  --bg: #F5F4F0;
  --bg-alt: #EDECE7;
  --bg-paper: #E4E2DB;
  --border: #CCC9BF;
  --border-dk: #A8A59C;
  --text: #141D10;
  --text-mid: #394633;
  --text-soft: #788370;
  --forest: #1D5C3A;
  --forest-lt: #C0D8CA;
  --forest-pale: #DBF0E8;
  --leaf: #5EC491;
  --teal: #0C6E78;
  --teal-lt: #D0EBF0;
  --amber: #B86218;
  --amber-lt: #F5E0CC;
  --amber-dk: #8B4513;
  --white: #FFFFFF;

  /* Functional / classification colors (stakeholder categories, discourse) */
  --purple: #6B4FBB;
  --rose: #C04A6B;
  --red: #A84D4D;

  --font-display: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.07);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  /* ── Shorthand aliases ──
     Older pages (dashboard, discourse, what-is-grapevine) reference these
     short names. Aliased to the canonical tokens above so a single edit
     propagates everywhere. Prefer the canonical names in new code. */
  --fg: var(--text);
  --fg2: var(--text-mid);
  --fg3: var(--text-soft);
  --green: var(--forest);
  --line: var(--border);
  --font-d: var(--font-display);
  --font-b: var(--font-body);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17.5px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-dk); }

/* ── Shared hero banner ── (the "What is Grapevine" look, reusable across pages) */
.gv-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #141D10 0%, #1D3A28 50%, #0C4A52 100%);
  color: #fff; border-radius: 18px;
  padding: 2.25rem 2.25rem 2.4rem; margin-bottom: 1.75rem;
}
.gv-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 85% 18%, rgba(94,196,145,0.22), transparent 50%),
              radial-gradient(circle at 10% 95%, rgba(12,110,120,0.28), transparent 55%);
}
.gv-hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 46px 46px; opacity: 0.45;
  -webkit-mask-image: linear-gradient(to bottom, black 20%, transparent 92%);
          mask-image: linear-gradient(to bottom, black 20%, transparent 92%);
}
.gv-hero-inner { position: relative; z-index: 1; }
.gv-hero .accent { color: var(--leaf); }
.gv-hero-kicker {
  font-family: var(--font-display); font-size: 0.66rem; font-weight: 800;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.6); margin-bottom: 0.55rem;
}
@media (max-width: 700px) { .gv-hero { padding: 1.75rem 1.4rem; } }

/* ── Shared section heading ── (sec-num + sec-title rhythm from What is Grapevine) */
.gv-sec-head { display: flex; align-items: baseline; gap: 0.7rem; flex-wrap: wrap; margin: 2.25rem 0 1rem; }
.gv-sec-head:first-child { margin-top: 0; }
.gv-sec-title {
  font-family: var(--font-display); font-size: 1.35rem; font-weight: 800;
  color: var(--text); letter-spacing: -0.02em; line-height: 1.1;
  position: relative; padding-left: 0.85rem;
}
.gv-sec-title::before {
  content: ''; position: absolute; left: 0; top: 0.12em; bottom: 0.12em;
  width: 4px; border-radius: 2px; background: var(--forest);
}
.gv-sec-sub { font-family: var(--font-body); font-size: 0.82rem; color: var(--text-soft); }

/* ── Shared loading / error states ── (replace ad-hoc "Loading..." text) */
.pr-state {
  padding: 4.5rem 1.5rem;
  text-align: center;
  color: var(--text-soft);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pr-state::before {
  content: "";
  display: block;
  width: 22px; height: 22px;
  margin: 0 auto 0.9rem;
  border: 2px solid var(--border);
  border-top-color: var(--forest);
  border-radius: 50%;
  animation: pr-spin 0.7s linear infinite;
}
.pr-state.pr-error { color: var(--amber); }
.pr-state.pr-error::before { display: none; }
.pr-state.pr-error small { display: block; margin-top: 0.4rem; color: var(--text-soft); font-weight: 500; text-transform: none; letter-spacing: 0; }
@keyframes pr-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .pr-state::before { animation: none; } }

/* ── Shared footer ── (dark bookend to the header; markup mirrored across core pages) */
.pr-footer {
  margin-top: 4.5rem;
  padding: 2.5rem 1.5rem 2.75rem;
  background: rgba(20,29,16,0.97);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.pr-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  flex-wrap: wrap;
}
.pr-footer-brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.pr-footer-brand img { height: 26px; width: auto; display: block; }
.pr-footer-brand .pr-footer-tag {
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  padding-left: 0.7rem;
  border-left: 1px solid rgba(255,255,255,0.15);
}
.pr-footer-links { display: inline-flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.pr-footer-links a {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255,255,255,0.78);
}
.pr-footer-links a:hover { color: var(--leaf); text-decoration: none; }
.pr-footer-meta {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.4);
}
@media (max-width: 700px) {
  .pr-footer-inner { flex-direction: column; align-items: flex-start; gap: 1.1rem; }
}