:root{--bg:#fff;--fg:#10182a;--muted:#5b6578;--line:#e4e8ef;--card:#f5f7fa;--ink:#14286b;--accent:#2f6bff;--accent-fg:#fff;
--radius:14px;font:17px/1.55 -apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Helvetica,Arial,sans-serif;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#0b111c;--fg:#e8edf5;--muted:#9aa5b8;--line:#1f2a3b;--card:#121b2a;--ink:#d5e1ff;--accent:#5b8cff;--accent-fg:#fff}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg)}
a{color:inherit}
.shell{max-width:1120px;margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{display:flex;align-items:center;gap:9px;font-weight:650;text-decoration:none;font-size:18px}
.brand img{border-radius:6px}
.nav nav{display:flex;align-items:center;gap:22px;font-size:15px}
.nav nav a{text-decoration:none;color:var(--muted)}
.nav nav a:hover{color:var(--fg)}
.button{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:999px;font-weight:600;text-decoration:none;border:1px solid var(--line);background:var(--card);color:var(--fg)}
.button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.button.small{padding:7px 14px;font-size:14px}
.nav nav .button.primary{color:var(--accent-fg)}
.button.disabled{opacity:.75;cursor:default}
.hero{text-align:center;padding:72px 20px 28px}
h1{font-size:clamp(38px,6vw,64px);line-height:1.05;letter-spacing:-.02em;margin:0 0 18px;color:var(--ink)}
h2{font-size:clamp(28px,3.4vw,38px);letter-spacing:-.01em;margin:0 0 22px;color:var(--ink)}
h3{margin:0 0 6px;font-size:19px}
.lead{font-size:clamp(18px,2vw,21px);color:var(--muted);max-width:720px;margin:0 auto 26px}
.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.fine{color:var(--muted);font-size:14px;margin:14px 0 0}
.shot{display:block;width:100%;height:auto;margin:44px auto 0;border-radius:12px;border:1px solid var(--line);box-shadow:0 30px 70px -30px rgba(10,30,60,.45)}
section.shell{padding-top:56px;padding-bottom:56px}
.hero.shell{padding-top:72px;padding-bottom:28px}
.strip.shell{padding-top:28px}
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;text-align:center;padding-top:28px}
.strip div{background:var(--card);border-radius:var(--radius);padding:22px}
.strip b{display:block;font-size:34px;color:var(--ink)}
.strip span{color:var(--muted);font-size:15px}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:0}
.steps li{counter-increment:s;background:var(--card);border-radius:var(--radius);padding:24px;color:var(--muted)}
.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--accent-fg);font-weight:700;margin-bottom:12px}
.steps b{display:block;color:var(--fg);margin-bottom:4px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid article{border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.grid p,.privacy p{color:var(--muted);margin:0}
.privacy{text-align:center}.privacy p{max-width:720px;margin:0 auto;font-size:19px}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:820px;margin:0 auto}
.pro h2,.pro .fine{text-align:center}
.plans article{border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.plans .accent{border:2px solid var(--accent)}
.price{font-size:30px;font-weight:700;margin:4px 0 10px}.price span{font-size:15px;font-weight:500;color:var(--muted)}
.plans ul{padding-left:20px;margin:0;color:var(--muted)}
.faq details,.prose details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary,.prose summary{cursor:pointer;font-weight:600}
.faq p,.prose details p{color:var(--muted);margin:10px 0 0}
.prose{max-width:780px;padding-top:48px;padding-bottom:64px}
.prose p,.prose li{color:var(--muted)}
.prose table{border-collapse:collapse;width:100%}.prose td{padding:7px 10px;border-bottom:1px solid var(--line);color:var(--muted)}
kbd{font:600 13px ui-monospace,Menlo,monospace;border:1px solid var(--line);border-radius:5px;padding:1px 6px;background:var(--card);color:var(--fg)}
.footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:14px}
.footer-inner{display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.footer nav{display:flex;gap:18px;flex-wrap:wrap}.footer a{text-decoration:none}.footer a:hover{text-decoration:underline}
@media (max-width:820px){.strip,.steps,.grid,.plans{grid-template-columns:1fr}.nav nav a:not(.button){display:none}.hero{padding-top:44px}}