:root {
  --bg: #0D1220; --fg: #EDEFF7; --primary: #6C7CF7; --primary-fg: #FFFFFF;
  --card: #161D2E; --card-fg: #EDEFF7; --muted: #1A2136; --muted-fg: #8A93B3;
  --border: #262F45; --radius: 16px;
  --font-heading: 'Sora', system-ui, sans-serif; --font-body: 'Inter', system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font-family:var(--font-body); line-height:1.6; }
h1,h2,h3 { font-family:var(--font-heading); margin:0 0 12px; }
a { color: var(--primary); }
img { max-width:100%; display:block; }
.container { max-width:1080px; margin:0 auto; padding:0 20px; }

/* Header */
header.site-header { position:sticky; top:0; z-index:50; background:rgba(13,18,32,0.92); backdrop-filter:blur(10px); border-bottom:1px solid var(--border); }
.header-inner { display:flex; align-items:center; justify-content:space-between; padding:14px 20px; max-width:1080px; margin:0 auto; }
.logo { display:flex; align-items:center; gap:10px; font-weight:700; font-size:18px; color:var(--fg); text-decoration:none; }
.logo img { width:32px; height:32px; border-radius:8px; }
nav.main-nav { display:flex; gap:22px; align-items:center; }
nav.main-nav a { color:var(--muted-fg); text-decoration:none; font-size:14px; }
nav.main-nav a:hover { color:var(--fg); }
.btn-cta { background:var(--primary); color:var(--primary-fg); padding:10px 20px; border-radius:999px; font-weight:600; font-size:14px; text-decoration:none; white-space:nowrap; }
.btn-cta:hover { opacity:0.9; }

/* Hero */
.hero { padding:70px 20px 50px; text-align:center; }
.hero h1 { font-size:clamp(28px,5vw,46px); max-width:720px; margin:0 auto 16px; }
.hero p.sub { color:var(--muted-fg); font-size:18px; max-width:560px; margin:0 auto 28px; }
.hero-ctas { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.btn-outline { border:1px solid var(--border); color:var(--fg); padding:10px 20px; border-radius:999px; text-decoration:none; font-size:14px; font-weight:600; }

/* Sections */
section { padding:50px 20px; }
.card-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:18px; margin-top:24px; }
.card { background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:22px; }
.card h3 { font-size:16px; }
.card p { color:var(--muted-fg); font-size:14px; margin:0; }

/* FAQ */
details.faq-item { background:var(--card); border:1px solid var(--border); border-radius:12px; padding:16px 18px; margin-bottom:12px; }
details.faq-item summary { cursor:pointer; font-weight:600; font-size:15px; }
details.faq-item p { color:var(--muted-fg); margin:10px 0 0; font-size:14px; }

/* Footer */
footer.site-footer { border-top:1px solid var(--border); padding:36px 20px; margin-top:40px; }
.footer-inner { max-width:1080px; margin:0 auto; display:flex; flex-wrap:wrap; justify-content:space-between; gap:24px; }
.footer-col a { display:block; color:var(--muted-fg); text-decoration:none; font-size:13px; margin-bottom:8px; }
.footer-col a:hover { color:var(--fg); }
.footer-col h4 { font-size:12px; text-transform:uppercase; letter-spacing:0.05em; color:var(--muted-fg); margin-bottom:12px; }
.social-row { display:flex; gap:12px; margin-top:10px; }
.social-row a { width:34px; height:34px; border-radius:50%; background:var(--muted); display:flex; align-items:center; justify-content:center; text-decoration:none; }
.copyright { text-align:center; font-size:12px; color:var(--muted-fg); margin-top:30px; }

/* Sticky mobile CTA */
.sticky-mobile-cta { display:none; position:fixed; bottom:0; left:0; right:0; z-index:60; background:var(--card); border-top:1px solid var(--border); padding:12px 16px; }
.sticky-mobile-cta a { display:block; text-align:center; background:var(--primary); color:var(--primary-fg); padding:13px; border-radius:999px; font-weight:700; text-decoration:none; }
@media (max-width: 720px) {
  .sticky-mobile-cta { display:block; }
  body { padding-bottom:70px; }
  nav.main-nav { display:none; }
}

/* Simple pages (404, thank-you) */
.center-page { min-height:60vh; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:40px 20px; }
.center-page h1 { font-size:clamp(60px,10vw,110px); margin-bottom:6px; color:var(--primary); }