/* Gambogi Research — dark, data-driven catalog site.
   Palette: slate #14171C / #1A1E26, text #E9ECF1, muted #9AA3AF, gamboge #E0A51B / #F2B705. */

:root {
  --bg: #14171C;
  --bg-2: #1A1E26;
  --bg-3: #21262f;
  --line: #2b313c;
  --text: #E9ECF1;
  --muted: #9AA3AF;
  --accent: #E0A51B;
  --accent-2: #F2B705;
  --accent-dim: #8a6510;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  background-image: radial-gradient(1200px 500px at 80% -10%, rgba(224, 165, 27, 0.06), transparent 60%),
    radial-gradient(900px 400px at 0% 110%, rgba(224, 165, 27, 0.04), transparent 60%);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.num, .price, .chip, .cal-table td.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(20, 23, 28, 0.92);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 17px; letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand .mark { display: inline-flex; }
.nav { display: flex; gap: 22px; font-size: 14.5px; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav a.active { color: var(--accent-2); }
@media (max-width: 720px) { .hide-sm { display: none; } .nav { gap: 14px; } }

/* ---------- hero ---------- */
.hero { padding: 72px 0 48px; display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(30px, 4.5vw, 46px); margin: 0 0 16px; }
.hero h1 em { font-style: normal; color: var(--accent-2); }
.hero p.lede { color: var(--muted); font-size: 18px; max-width: 56ch; margin: 0 0 24px; }
.hero-art { min-width: 0; }
.hero-art svg { width: 100%; height: auto; display: block; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; padding-top: 48px; } .hero-art { max-width: 420px; } }

.kicker {
  display: inline-block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
}
.btn {
  display: inline-block; background: var(--accent); color: #14171C; font-weight: 650;
  padding: 12px 22px; border-radius: 6px; border: none; cursor: pointer; font-size: 15.5px; font-family: var(--sans);
}
.btn:hover { background: var(--accent-2); text-decoration: none; }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.secondary:hover { border-color: var(--muted); background: var(--bg-3); }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- sections ---------- */
.section { padding: 40px 0; }
.section-title { font-size: 26px; margin: 0 0 6px; }
.section-sub { color: var(--muted); margin: 0 0 28px; max-width: 70ch; }

/* ---------- product grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.card {
  background: linear-gradient(180deg, var(--bg-2), #171b22);
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
  display: flex; flex-direction: column; transition: border-color 0.15s ease;
}
.card:hover { border-color: #3a4250; }
.card .cover { display: block; background: var(--bg); border-bottom: 1px solid var(--line); }
.card .cover img, .card .cover svg { width: 100%; height: auto; display: block; }
.card .body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card h3 { margin: 0; font-size: 18.5px; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--accent-2); text-decoration: none; }
.card .desc { color: var(--muted); font-size: 14.5px; margin: 0; flex: 1; }
.card .foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 6px; }
.price { font-size: 18px; font-weight: 700; color: var(--text); }
.price .per { color: var(--muted); font-size: 12.5px; font-weight: 400; font-family: var(--sans); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 11.5px; color: var(--muted); border: 1px solid var(--line); border-radius: 4px;
  padding: 3px 8px; background: rgba(255, 255, 255, 0.02); white-space: nowrap;
}
.chip.accent { color: var(--accent-2); border-color: rgba(224, 165, 27, 0.35); }

.status-pill {
  display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 3px 9px; border-radius: 99px;
}
.status-pill.forthcoming { color: var(--accent-2); background: rgba(224, 165, 27, 0.12); border: 1px solid rgba(224, 165, 27, 0.3); }
.status-pill.available { color: #7ee2a8; background: rgba(60, 200, 120, 0.1); border: 1px solid rgba(60, 200, 120, 0.3); }

/* ---------- editorial calendar table ---------- */
.cal-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.cal-table th {
  text-align: left; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted); font-weight: 500;
  border-bottom: 1px solid var(--line); padding: 10px 12px;
}
.cal-table td { border-bottom: 1px solid var(--line); padding: 13px 12px; vertical-align: top; }
.cal-table tr:last-child td { border-bottom: none; }
.cal-table a { color: var(--text); font-weight: 600; }
.cal-table a:hover { color: var(--accent-2); }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2); }
@media (max-width: 720px) { .cal-table { min-width: 640px; } }

/* ---------- product page ---------- */
.product-head { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; padding: 48px 0 8px; align-items: start; }
@media (max-width: 860px) { .product-head { grid-template-columns: 1fr; } }
.product-cover { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--bg-2); }
.product-cover img, .product-cover svg { width: 100%; height: auto; display: block; }
.product-head h1 { font-size: clamp(26px, 3.5vw, 36px); margin: 8px 0 12px; }
.product-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
.buy-box {
  border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2);
  padding: 20px; margin-top: 20px;
}
.buy-box .price { font-size: 28px; }
.buy-box .license-note { color: var(--muted); font-size: 13px; margin: 10px 0 16px; }
.notice {
  border: 1px solid rgba(224, 165, 27, 0.3); background: rgba(224, 165, 27, 0.07);
  border-radius: 8px; padding: 14px 16px; color: var(--text); font-size: 14.5px;
}
.error-note { color: #ff9d9d; font-size: 14px; margin-top: 10px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 760px) { .two-col { grid-template-columns: 1fr; } }
.panel { background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 24px; }
.panel h2, .panel h3 { margin-top: 0; }
.panel ul { padding-left: 20px; color: var(--muted); }
.panel ul li { margin: 8px 0; }
.panel ul li strong { color: var(--text); }

/* ---------- prose pages (legal, methodology) ---------- */
.prose { max-width: 760px; padding: 48px 0 64px; }
.prose h1 { font-size: 32px; }
.prose h2 { font-size: 21px; margin-top: 36px; }
.prose p, .prose li { color: #c6ccd6; }
.prose .updated { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.prose table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
.prose table th, .prose table td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }

/* ---------- success page ---------- */
.center-panel { max-width: 640px; margin: 64px auto; text-align: center; }
.checkmark {
  display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px;
  border-radius: 50%; background: rgba(224, 165, 27, 0.15); color: var(--accent-2);
  font-size: 26px; margin-bottom: 12px; border: 1px solid rgba(224, 165, 27, 0.4);
}
.download-item {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; text-align: left;
  border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; margin: 10px 0; background: var(--bg-3);
}
.spinner {
  width: 26px; height: 26px; border: 3px solid var(--line); border-top-color: var(--accent);
  border-radius: 50%; margin: 12px auto; animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.muted { color: var(--muted); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: 72px; padding: 36px 0 48px; font-size: 13.5px; }
.site-footer .wrap { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px; }
@media (max-width: 720px) { .site-footer .wrap { grid-template-columns: 1fr; } }
.site-footer .legal { color: var(--muted); }
.site-footer .links { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.site-footer .links a { color: var(--muted); }
.site-footer .links a:hover { color: var(--text); }

.noscript-banner { background: #3a2f10; color: #f4e3b2; padding: 12px 24px; text-align: center; font-size: 14px; }

.card-edition { font-family: var(--mono, monospace); font-size: 12px; letter-spacing: .06em; color: var(--gamboge, #E0A51B); margin: -6px 0 8px; }