:root {
  --brand-blue: #18598a;
  --brand-navy: #172447;
  --brand-tagline: #2e7ad1;
  --brand-orange: #f5801a;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow: 0 12px 40px rgba(23, 36, 71, 0.08);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --surface: #111827;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --border: #334155;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; }
a { color: var(--brand-tagline); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.container { width: min(1100px, calc(100% - 2rem)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px); background: color-mix(in srgb, var(--bg) 88%, transparent); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.85rem 0; }
.brand { display: flex; align-items: center; gap: 0.75rem; color: inherit; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand img { width: 42px; height: 42px; border-radius: 10px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 1.05rem; font-weight: 800; letter-spacing: 0.08em; color: var(--brand-navy); }
@media (prefers-color-scheme: dark) { .brand-name { color: #f1f5f9; } }
.brand-tagline { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand-tagline); }
.nav { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; font-size: 0.92rem; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
.nav a:hover { color: var(--text); text-decoration: none; }
.hero { padding: 3.5rem 0 2.5rem; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2.5rem; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .nav { display: none; } }
.hero-card { background: var(--surface); border: 1px solid var(--border); border-radius: calc(var(--radius) + 4px); padding: 2rem; box-shadow: var(--shadow); }
.hero-lockup { text-align: center; margin-bottom: 1.5rem; }
.hero-lockup img { width: 96px; height: 96px; border-radius: 22px; margin-bottom: 0.75rem; }
.hero-lockup h1 { margin: 0; font-size: clamp(2rem, 5vw, 2.6rem); font-weight: 900; letter-spacing: 0.06em; color: var(--brand-navy); }
@media (prefers-color-scheme: dark) { .hero-lockup h1 { color: #f8fafc; } }
.hero-lockup .tagline { margin: 0.35rem 0 0; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--brand-tagline); }
.lead { font-size: 1.08rem; color: var(--muted); margin: 0 0 1.5rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.85rem 1.25rem; border-radius: 12px; font-weight: 700; font-size: 0.95rem; text-decoration: none; border: none; cursor: pointer; }
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn-primary { background: var(--brand-blue); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.badge-soon { display: inline-block; margin-top: 0.75rem; font-size: 0.82rem; color: var(--muted); }
.section { padding: 2.5rem 0; }
.section-title { margin: 0 0 0.35rem; font-size: 1.5rem; }
.section-sub { margin: 0 0 1.5rem; color: var(--muted); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 760px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; }
.card h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.card p { margin: 0; font-size: 0.92rem; color: var(--muted); }
.icon-pill { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: color-mix(in srgb, var(--brand-blue) 14%, transparent); color: var(--brand-blue); font-size: 1.1rem; margin-bottom: 0.75rem; }
.premium-banner { background: linear-gradient(135deg, #fff7ed, #fef3c7); border: 1px solid #fed7aa; border-radius: calc(var(--radius) + 2px); padding: 1.5rem; }
@media (prefers-color-scheme: dark) { .premium-banner { background: linear-gradient(135deg, #422006, #1f2937); border-color: #92400e; } }
.premium-banner h2 { margin: 0 0 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.price-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1rem; }
.price-chip { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 0.75rem 1rem; min-width: 140px; }
.price-chip strong { display: block; font-size: 1.1rem; }
.price-chip span { font-size: 0.82rem; color: var(--muted); }
.prose { max-width: 42rem; margin: 0 auto; padding: 2.5rem 0 3rem; }
.prose h1 { margin: 0 0 0.25rem; font-size: 1.85rem; }
.prose .meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; }
.prose h2 { font-size: 1.1rem; margin: 1.75rem 0 0.5rem; color: var(--brand-navy); }
@media (prefers-color-scheme: dark) { .prose h2 { color: #e2e8f0; } }
.prose p, .prose li { font-size: 0.95rem; }
.prose ul { padding-left: 1.2rem; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { padding: 0.65rem 0; border-bottom: 1px solid var(--border); }
.contact-list li:last-child { border-bottom: none; }
.site-footer { border-top: 1px solid var(--border); padding: 2rem 0 2.5rem; margin-top: 1rem; font-size: 0.88rem; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 1.5rem; }
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { margin: 0 0 0.65rem; color: var(--text); font-size: 0.9rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin: 0.35rem 0; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 2rem 1rem; }
.auth-box { max-width: 28rem; text-align: center; }
.auth-box .brand { justify-content: center; margin-bottom: 1.5rem; }
.auth-box p { color: var(--muted); }
.err { color: #dc2626; }