/* Catalyst Wire — design system mirrors the Frontier Briefing family.
   Brand: deep teal-navy (#0F4C5C) + amber spike (#F59E0B). */
:root {
  --fg: #0F172A;
  --fg-2: #334155;
  --muted: #64748B;
  --bg: #F8FAFC;
  --bg-2: #F1F5F9;
  --card: #FFFFFF;
  --line: #E2E8F0;
  --line-2: #CBD5E1;
  --brand: #0F4C5C;
  --brand-2: #082F3A;
  --brand-light: #E0F2F1;
  --accent: #F59E0B;
  --accent-2: #B45309;
  --paid: #B45309;
  --paid-bg: #FFFBEB;
  --pro: #7C3AED;
  --pro-bg: #F5F3FF;
  --error: #B91C1C;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow:    0 2px 8px rgba(0,0,0,.06);
  --radius: 12px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px; line-height: 1.6;
  color: var(--fg); background: var(--bg);
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--accent-2); }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.error { color: var(--error); margin-top: 8px; }

/* ── Top bar ───────────────────────────────────────────────────── */
.topbar { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.95); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 50; }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--fg); }
.brand img { display: block; }
.brand-text { font-size: 16px; }
.brand-sub { color: var(--accent); font-weight: 800; letter-spacing: .5px; }
.nav { display: flex; align-items: center; gap: 18px; font-size: 14px; }
.nav a { color: var(--fg-2); }
.nav a:hover { color: var(--brand); }
.nav-account { display: inline-flex; gap: 6px; align-items: center; }
.nav-email { font-size: 12px; }

.cta { display: inline-block; background: var(--accent); color: var(--brand) !important; padding: 10px 20px; border-radius: 8px; font-weight: 700; font-size: 14px; transition: background .12s; }
.cta:hover { background: #FBBF24; color: var(--brand-2) !important; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 10px; font-weight: 700; letter-spacing: .4px; }
.tier-free, .tier-anon { background: var(--bg-2); color: var(--muted); }
.tier-patient { background: var(--paid-bg); color: var(--paid); }
.tier-pro { background: var(--pro-bg); color: var(--pro); }

/* ── Hero (dark — matches Frontier) ────────────────────────────── */
.hero { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; padding: 80px 0 64px; }
.hero h1 { font-size: 44px; line-height: 1.1; margin: 12px 0 16px; max-width: 820px; letter-spacing: -0.02em; }
.hero .lede { font-size: 19px; max-width: 720px; opacity: 0.9; margin: 0 0 28px; }
.hero .sub-lede { font-size: 13px; opacity: 0.7; margin-top: 14px; }
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.hero-badge { background: rgba(245, 158, 11, 0.15); border: 1px solid rgba(245, 158, 11, 0.4); color: var(--accent); font-size: 11px; padding: 4px 12px; border-radius: 999px; font-weight: 600; letter-spacing: .4px; text-transform: uppercase; }
.hero-stats { display: flex; gap: 32px; margin-top: 28px; flex-wrap: wrap; }
.hero-stat { padding-right: 32px; border-right: 1px solid rgba(255,255,255,.15); }
.hero-stat:last-child { border-right: 0; }
.hero-stat .num { font-size: 24px; font-weight: 700; color: #fff; }
.hero-stat .lbl { font-size: 11px; color: rgba(255,255,255,.65); text-transform: uppercase; letter-spacing: .5px; margin-top: 2px; }

/* Inline search prompt under the hero — search is a first-class action here */
.hero-search { margin-top: 26px; max-width: 560px; display: flex; gap: 8px; }
.hero-search input { flex: 1; padding: 12px 16px; border-radius: 8px; border: 0; font: inherit; font-size: 15px; }
.hero-search input:focus { outline: 2px solid var(--accent); }
.hero-search button { padding: 12px 22px; background: var(--accent); color: var(--brand); border: 0; border-radius: 8px; font-weight: 700; cursor: pointer; }
.hero-search button:hover { background: #FBBF24; }

/* ── Sections ──────────────────────────────────────────────────── */
.section { padding: 64px 0; }
.section h2 { font-size: 28px; margin: 0 0 8px; letter-spacing: -0.01em; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 8px; }
.section-head h2 { margin: 0; }
.section-head a { font-size: 13px; }
.section-alt { background: var(--bg-2); }

/* Card grid for feature lists, what's-new, and FAQ */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--brand); }
.card h3 { margin: 0 0 8px; font-size: 17px; color: var(--brand); }
.card p { margin: 0; color: var(--fg-2); font-size: 15px; }

/* "What's new" cards (stronger meta line + tighter summary) */
.wn-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; transition: border-color .15s, transform .15s; }
.wn-card:hover { border-color: var(--line-2); transform: translateY(-1px); }
.wn-card .meta { display: flex; gap: 6px; align-items: center; font-size: 11px; color: var(--muted); margin-bottom: 6px; flex-wrap: wrap; }
.wn-card .title { font-weight: 600; font-size: 15px; line-height: 1.35; color: var(--fg); display: block; margin-bottom: 6px; }
.wn-card .title:hover { color: var(--brand); }
.wn-card .summary { font-size: 13px; color: var(--fg-2); margin: 0; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.wn-card .diseases { font-size: 11px; color: var(--brand); margin-top: 8px; }

/* Disease grid */
.disease-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px; }
.disease-grid li { background: var(--card); border: 1px solid var(--line); border-radius: 8px; transition: all .12s; }
.disease-grid li:hover { border-color: var(--brand); }
.disease-grid a { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; color: var(--fg-2); font-size: 14px; }
.disease-grid a:hover { color: var(--brand); }
.disease-grid .count { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }

/* Filter chips */
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 20px; }
.chip { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px; font-size: 13px; color: var(--fg-2); transition: all .12s; }
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.active { background: var(--brand); color: #fff !important; border-color: var(--brand); }

/* Doc list (disease pages, search) */
.doc-list { list-style: none; padding: 0; margin: 0; }
.doc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin-bottom: 8px; transition: border-color .12s; }
.doc:hover { border-color: var(--line-2); }
.doc-head { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--muted); margin-bottom: 6px; flex-wrap: wrap; }
.src { font-weight: 700; padding: 2px 8px; border-radius: 4px; color: #fff; font-size: 10px; letter-spacing: .4px; }
.src-fda { background: #1d4ed8; }
.src-ema { background: #047857; }
.src-clinical_trials { background: #7c3aed; }
.cat { background: var(--bg-2); border: 1px solid var(--line); padding: 1px 8px; border-radius: 4px; color: var(--fg-2); }
.imp { font-weight: 600; }
.imp-1 { color: var(--muted); }
.imp-2 { color: #6b7280; }
.imp-3 { color: #ca8a04; }
.imp-4 { color: var(--accent-2); }
.imp-5 { color: var(--error); }
.doc-title { font-weight: 600; font-size: 15.5px; display: block; color: var(--fg); margin-bottom: 4px; line-height: 1.4; }
.doc-title:hover { color: var(--brand); }
.summary { color: var(--fg-2); margin: 4px 0 0; font-size: 14px; }

/* Upsells */
.upsell-row { background: var(--paid-bg); border: 1px dashed var(--paid); border-radius: var(--radius); padding: 12px 16px; margin: 8px 0; font-size: 14px; }
.upsell-inline { background: var(--paid-bg); padding: 10px 14px; border-radius: 8px; border: 1px solid #fed7aa; font-size: 14px; }

.pager { display: flex; justify-content: space-between; align-items: center; margin: 24px 0 40px; }
.pager a { font-size: 14px; }

/* Document detail */
.crumbs { color: var(--muted); margin: 16px 0; font-size: 13px; }
.crumbs a { color: var(--muted); }
.document h1 { margin: 6px 0 12px; line-height: 1.25; font-size: 26px; }
.document .snippet { background: var(--bg-2); padding: 14px 16px; border-radius: 8px; white-space: pre-wrap; font-size: 14px; color: var(--fg-2); }
.tag-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tag-list li { background: var(--bg-2); padding: 4px 12px; border-radius: 999px; font-size: 13px; }
.tag-list a { color: var(--fg-2); }
.tag-list a:hover { color: var(--brand); }
.meta { background: #1c1917; color: #e7e5e4; padding: 16px; border-radius: 8px; overflow-x: auto; font-size: 12px; }

/* Drug page */
.drug-header { background: linear-gradient(135deg, var(--brand-light), var(--bg)); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin: 16px 0 24px; }
.drug-header h1 { margin: 0 0 6px; font-size: 28px; color: var(--brand); }
.drug-header .meta { color: var(--muted); font-size: 13px; }
.timeline { margin-top: 24px; position: relative; padding-left: 24px; border-left: 2px solid var(--line); }
.timeline-item { position: relative; padding-bottom: 18px; }
.timeline-item::before { content: ""; position: absolute; left: -30px; top: 6px; width: 10px; height: 10px; background: var(--accent); border-radius: 50%; border: 2px solid #fff; }
.timeline-item .date { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; margin-bottom: 4px; }

/* Auth */
.auth-box { max-width: 420px; margin: 60px auto; background: var(--card); padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.auth-box h1 { margin: 0 0 24px; font-size: 24px; color: var(--brand); }
.auth-box label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--fg-2); font-weight: 500; }
.auth-box input { width: 100%; padding: 10px 12px; border: 1px solid var(--line-2); border-radius: 6px; font-size: 14px; margin-top: 4px; font-family: inherit; }
.auth-box input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(15,76,92,0.12); }
.auth-box button { width: 100%; background: var(--brand); color: #fff; border: 0; padding: 11px 16px; border-radius: 6px; cursor: pointer; font-size: 15px; font-weight: 600; }
.auth-box button:hover { background: var(--brand-2); }

/* Search */
.search-form { display: flex; gap: 8px; margin: 16px 0 24px; }
.search-form input { flex: 1; padding: 12px 16px; border: 1px solid var(--line-2); border-radius: 8px; font-size: 15px; font-family: inherit; }
.search-form input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(15,76,92,0.12); }
.search-form button { padding: 12px 22px; background: var(--brand); color: #fff; border: 0; border-radius: 8px; cursor: pointer; font-size: 15px; font-weight: 600; }
.search-form button:hover { background: var(--brand-2); }

/* Pricing */
.pricing-hero { text-align: center; padding: 56px 0 32px; }
.pricing-hero h1 { font-size: 36px; margin: 0 0 12px; letter-spacing: -0.02em; color: var(--brand); }
.pricing-hero p { color: var(--muted); max-width: 600px; margin: 0 auto; font-size: 17px; }
.tiers-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; max-width: 980px; margin: 24px auto 0; }
.tier-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; }
.tier-card.featured { border: 2px solid var(--accent); position: relative; }
.tier-card.featured::before { content: "Most popular"; position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--accent); color: var(--brand); font-size: 11px; padding: 3px 12px; border-radius: 999px; font-weight: 700; letter-spacing: .4px; text-transform: uppercase; }
.tier-card h3 { margin: 0 0 4px; font-size: 18px; color: var(--brand); }
.tier-card .price { font-size: 32px; font-weight: 700; margin: 8px 0 4px; }
.tier-card .price small { font-size: 14px; color: var(--muted); font-weight: 400; }
.tier-card ul { list-style: none; padding: 0; margin: 16px 0; }
.tier-card li { padding: 6px 0; font-size: 14px; color: var(--fg-2); display: flex; align-items: flex-start; gap: 8px; }
.tier-card li::before { content: "✓"; color: var(--brand); font-weight: 700; flex-shrink: 0; }
.tier-card li.no::before { content: "·"; color: var(--muted); }
.tier-card .btn { display: block; text-align: center; background: var(--brand); color: #fff !important; padding: 11px; border-radius: 6px; margin-top: 12px; font-weight: 600; }
.tier-card .btn:hover { background: var(--brand-2); }
.tier-card .btn.secondary { background: var(--bg-2); color: var(--fg-2) !important; }

/* Subscribe widget on disease pages */
.subscribe-box { background: var(--brand-light); border: 1px solid #99F6E4; border-radius: var(--radius); padding: 14px 18px; margin: 16px 0 24px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: space-between; }
.subscribe-box p { margin: 0; font-size: 14px; }
.subscribe-box form { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.subscribe-box select, .subscribe-box button { padding: 7px 12px; border-radius: 6px; border: 1px solid var(--line-2); font-size: 13px; background: #fff; }
.subscribe-box button { background: var(--brand); color: #fff; border-color: var(--brand); cursor: pointer; font-weight: 600; }

/* Footer */
.footer { border-top: 1px solid var(--line); margin-top: 60px; padding: 40px 0 24px; background: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.5fr; gap: 32px; margin-bottom: 24px; }
.footer-grid a { display: block; padding: 4px 0; color: var(--fg-2); font-size: 14px; }
.footer-grid a:hover { color: var(--brand); }
.footer-brand { font-weight: 700; font-size: 16px; margin: 0 0 6px; color: var(--brand); }
.footer-head { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); margin: 0 0 8px; font-weight: 700; }
.footer-newsletter { display: flex; gap: 6px; margin-bottom: 8px; }
.footer-newsletter input { flex: 1; min-width: 0; padding: 8px 10px; border: 1px solid var(--line-2); border-radius: 6px; font-size: 13px; font-family: inherit; }
.footer-newsletter button { background: var(--brand); color: #fff; border: 0; padding: 8px 14px; border-radius: 6px; font-size: 13px; cursor: pointer; }
.newsletter-honeypot { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.footer-fine { padding-top: 20px; border-top: 1px solid var(--line); }

/* Responsive */
@media (max-width: 720px) {
  .hero { padding: 48px 0 36px; }
  .hero h1 { font-size: 32px; }
  .hero .lede { font-size: 16px; }
  .hero-search { flex-direction: column; }
  .nav { gap: 10px; font-size: 13px; }
  .nav-email { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar .wrap { padding: 12px 16px; }
  .wrap { padding: 0 16px; }
  .pricing-hero h1 { font-size: 28px; }
  .section { padding: 40px 0; }
}