/* Shared shell for the fairapps site pages. appcheck keeps its own inline styles
   because it is an app rather than a document. */
:root {
  --bg: #eff5f0;
  --surface: #ffffff;
  --ink: #0b2419;
  --muted: #4d6b5d;
  --dim: #8ba89a;
  --line: #dcebe1;
  --brand: #059669;
  --brand-ink: #047857;
  --lime: #65a30d;
  --flag: #c2410c;
  --radius: 30px;
  --max: 1000px;
  --shadow: 0 18px 44px rgba(6,78,59,0.13), 0 2px 6px rgba(6,78,59,0.05);
  --gloss: linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.10) 44%, rgba(255,255,255,0) 62%);
  --sheen: inset 0 1px 0 rgba(255,255,255,1), inset 0 -1px 0 rgba(6,78,59,0.05);
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.58'/%3E%3C/svg%3E");
  font-synthesis: none;
  -webkit-text-size-adjust: 100%;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--ink); min-height: 100vh; background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, system-ui, sans-serif;
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}
body::before {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(at 6% 4%, rgba(52,211,153,0.34), transparent 42%),
    radial-gradient(at 95% 2%, rgba(163,230,53,0.26), transparent 40%),
    radial-gradient(at 88% 98%, rgba(45,212,191,0.28), transparent 44%),
    radial-gradient(at 3% 96%, rgba(134,239,172,0.24), transparent 38%),
    var(--bg);
}
h1, h2, h3 { line-height: 1.14; letter-spacing: -0.025em; font-weight: 850; margin: 0; }
a { color: var(--brand-ink); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

/* header */
.hdr { position: sticky; top: 0; z-index: 40; padding: 14px 0; }
.hdr::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  -webkit-backdrop-filter: blur(18px) saturate(155%); backdrop-filter: blur(18px) saturate(155%);
  background: rgba(243,248,244,0.72); box-shadow: 0 1px 0 rgba(6,78,59,0.07);
}
.hdr .wrap { display: flex; align-items: center; gap: 8px; }
.brand { font-weight: 850; font-size: 1.15rem; letter-spacing: -0.03em; text-decoration: none;
  color: var(--ink); margin-right: auto; }
.brand .b2 { color: var(--brand); }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { font-size: 0.86rem; font-weight: 650; text-decoration: none; color: var(--muted);
  padding: 7px 13px; border-radius: 999px; }
.nav a:hover { color: var(--brand-ink); background: rgba(5,150,105,0.09); }
.nav a.on { color: #fff; background-image: linear-gradient(135deg, #0a7f5f, #059669); }

/* blocks */
.card { border-radius: var(--radius); corner-shape: squircle; padding: 24px;
  background-image: var(--gloss), linear-gradient(158deg, #ffffff 0%, #f4fbf7 52%, #ecf7f1 100%);
  border: 1px solid rgba(255,255,255,0.92); box-shadow: var(--shadow), var(--sheen); }
.grid { display: grid; gap: 14px; }
@media (min-width: 720px) { .grid.cols-2 { grid-template-columns: 1fr 1fr; } }
.kicker { display: inline-flex; align-items: center; gap: 7px;
  font-family: ui-monospace, Menlo, monospace; font-size: 0.66rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--brand-ink); background: rgba(5,150,105,0.11);
  border: 1px solid rgba(5,150,105,0.24); padding: 5px 13px; border-radius: 999px; }
h2.sec { font-size: 0.68rem; text-transform: uppercase; letter-spacing: .16em; color: var(--dim);
  margin: 34px 0 12px; font-weight: 800; font-family: ui-monospace, Menlo, monospace; }
h2.sec::before { content: '→ '; color: var(--brand); }
.btn { display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 999px;
  color: #fff; padding: 12px 24px; font-size: 0.93rem; font-weight: 800; cursor: pointer;
  text-decoration: none; font-family: inherit;
  background-image: var(--grain), linear-gradient(135deg, #059669, #65a30d);
  box-shadow: 0 10px 24px rgba(5,150,105,0.30); transition: transform .12s ease; }
.btn:hover { transform: translateY(-2px); }
.btn.ghost { background-image: none; background: rgba(255,255,255,0.7); color: var(--ink);
  border: 1.5px solid var(--line); box-shadow: none; }
.vnote { border: 1px dashed rgba(5,150,105,0.32); background: rgba(255,255,255,0.44);
  border-radius: 20px; corner-shape: squircle; padding: 14px 16px; margin-top: 16px; }
.vnote .vtag { display: block; font-family: ui-monospace, Menlo, monospace; font-size: 0.6rem;
  letter-spacing: .13em; text-transform: uppercase; color: #6f9c86; margin-bottom: 5px; }
.vnote p { margin: 0; font-size: 0.82rem; color: var(--muted); }

/* prose for terms / privacy */
.prose h1 { font-size: clamp(1.9rem, 4.6vw, 2.6rem); margin-bottom: 10px; }
.prose h2 { font-size: 1.12rem; margin: 30px 0 8px; }
.prose p, .prose li { color: var(--muted); font-size: 0.95rem; }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 6px; }
.prose .upd { font-family: ui-monospace, Menlo, monospace; font-size: 0.74rem; color: var(--dim); }

footer { margin-top: 60px; padding: 28px 0 60px; border-top: 1px solid var(--line); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; }
footer a { font-size: 0.84rem; color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--brand-ink); }
footer .sp { margin-left: auto; font-size: 0.78rem; color: var(--dim); }