:root {
  --primary: #4F46E5; --primary-soft: #E0E7FF; --text: #0F172A; --muted: #64748B; --bg: #F5F6FB; --card: #fff; --line: #E2E8F0; --accent: #0D9488;
}
@media (prefers-color-scheme: dark) {
  :root { --primary: #A5B4FC; --primary-soft: #312E81; --text: #E2E8F0; --muted: #94A3B8; --bg: #0B1020; --card: #131A2E; --line: #243049; --accent: #5EEAD4; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--primary); text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; max-width: 1080px; margin: 0 auto; }
.nav nav { display: flex; gap: 18px; align-items: center; }
.nav nav a:not(.btn) { color: var(--muted); }
.brand { font-weight: 800; font-size: 18px; color: var(--text); display: flex; align-items: center; gap: 8px; }
.logo { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: #4F46E5; color: #fff; }
.btn { display: inline-block; background: #4F46E5; color: #fff; padding: 12px 22px; border-radius: 12px; font-weight: 600; }
.btn.small { padding: 8px 14px; }
.btn.ghost { background: transparent; color: var(--primary); border: 1px solid var(--line); }
.hero { padding: 56px 0 40px; text-align: center; background: radial-gradient(ellipse at top, var(--primary-soft), transparent 70%); }
.hero h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.15; margin: 8px 0 16px; }
.hero h1 span { color: var(--primary); }
.eyebrow { color: var(--accent); font-weight: 700; margin: 0; }
.lead { max-width: 720px; margin: 0 auto 24px; color: var(--muted); font-size: 18px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
.small { font-size: 14px; } .muted { color: var(--muted); }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; padding-top: 40px; padding-bottom: 40px; }
.grid3 article, .plan, details { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.grid3 h3 { margin: 0 0 6px; font-size: 18px; }
.grid3 p { margin: 0; color: var(--muted); }
.pricing { padding: 48px 0; text-align: center; }
.pricing h2, .faq h2 { font-size: 30px; margin-bottom: 4px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 28px 0; text-align: left; }
.plan { position: relative; }
.plan.featured { border: 2px solid var(--primary); }
.plan .tag { position: absolute; top: -12px; right: 16px; background: #4F46E5; color: #fff; font-size: 12px; padding: 2px 10px; border-radius: 99px; }
.plan h3 { margin: 0; }
.price { font-size: 30px; font-weight: 800; color: var(--primary); margin: 6px 0; }
.price small { font-size: 14px; color: var(--muted); font-weight: 500; }
.plan ul { padding-left: 18px; margin: 0; color: var(--muted); }
.faq { padding-bottom: 48px; }
details { margin-bottom: 10px; }
summary { font-weight: 600; cursor: pointer; }
.footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); }
.footer .wrap { display: flex; gap: 18px; flex-wrap: wrap; }
.legal { max-width: 780px; padding: 32px 20px 64px; }
.legal h1 { font-size: 30px; } .legal h2 { font-size: 20px; margin-top: 28px; }
@media (max-width: 640px) { .nav nav a:not(.btn) { display: none; } }