:root{--b:#2563eb;--bd:#1b3f9e;--ink:#0f1d3d;--mut:#5d6b87;--line:#dfe8f7;--soft:#f5f8fe}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:Figtree,system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,.logo{font-family:"Bricolage Grotesque",Figtree,sans-serif;letter-spacing:-.02em;line-height:1.15}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid #93b4ff;outline-offset:2px}
.wrap{max-width:1000px;margin:0 auto;padding:0 22px}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav nav{display:flex;align-items:center;gap:24px;font-weight:600;font-size:15px;color:var(--mut)}
.nav nav a:hover{color:var(--b)}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:21px}
.logo i{width:32px;height:32px;border-radius:10px;background:var(--b);color:#fff;display:grid;place-items:center;font-style:normal;font-size:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;cursor:pointer;font:600 15px Figtree,sans-serif;padding:10px 18px;border-radius:12px;background:var(--b);color:#fff;transition:background .2s}
.btn:hover{background:var(--bd)}
.nav nav .btn{color:#fff}
.btn.ghost{background:var(--soft);color:var(--b);border:1px solid var(--line)}
.btn.ghost:hover{background:#e8f0ff}
.btn.big{padding:15px 20px;font-size:16px}
.hero{padding:56px 22px 72px}
.hero h1{font-size:clamp(34px,6vw,56px);max-width:700px;font-weight:700}
.lead{margin:18px 0 32px;color:var(--mut);font-size:18px;max-width:560px}
.box{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:22px;border:1px solid var(--line);border-radius:20px;background:var(--soft);max-width:720px}
.box label,.hp label{font-size:14px;font-weight:600;display:flex;flex-direction:column;gap:6px}
.box small{color:var(--mut);font-weight:500}
.full{grid-column:1/-1}
input{font:inherit;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);width:100%}
input:focus{border-color:var(--b);outline:0;box-shadow:0 0 0 3px #dbe7ff}
#out{max-width:720px;margin-top:22px}
.note{padding:14px 16px;border-radius:12px;background:var(--soft);color:var(--mut)}
.note.err{background:#fff1f1;color:#b42318}
.card{border:1px solid var(--line);border-radius:20px;padding:22px;background:#fff}
.card h3{font-size:20px}
.head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:16px}
.head small{color:var(--mut);font-weight:600}
.pill{background:#e6f0ff;color:var(--bd);font-weight:700;font-size:13px;padding:6px 12px;border-radius:99px;text-align:right}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:18px}
.grid div{background:var(--soft);padding:10px 12px;border-radius:12px}
.grid dt{font-size:12px;color:var(--mut)}
.grid dd{font-weight:600;margin:0}
.tl{list-style:none;padding:0;border-left:2px solid var(--line);margin-left:6px}
.tl li{position:relative;padding:0 0 18px 20px;display:flex;flex-direction:column}
.tl li::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid #b8cdf5}
.tl li:first-child::before{background:var(--b);border-color:var(--b)}
.tl b{font-size:13px;color:var(--mut)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{font:600 14px Figtree,sans-serif;padding:8px 14px;border-radius:99px;border:1px solid var(--line);background:#fff;cursor:pointer}
.chip:hover{border-color:var(--b);color:var(--b)}
.hp{display:flex;flex-direction:column;gap:12px}
.dev{background:var(--bd);color:#fff;padding:72px 0}
.dev .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.dev h2{font-size:clamp(28px,4vw,38px)}
.dev p{margin:14px 0 24px;color:#c9d8ff}
.dev .btn{background:#fff;color:var(--bd)}
pre{background:#0f1d3d;color:#dce8ff;padding:18px;border-radius:14px;overflow-x:auto;font:13px/1.7 ui-monospace,Menlo,monospace}
.price{padding:80px 22px}
.price h2{font-size:clamp(28px,4vw,38px)}
.price>p{color:var(--mut);margin:10px 0 32px}
#plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.plan{border:1px solid var(--line);border-radius:20px;padding:26px;display:flex;flex-direction:column;gap:6px}
.plan.hot{border:2px solid var(--b);background:var(--soft)}
.plan .amt{font:700 32px "Bricolage Grotesque",sans-serif}
.plan small{color:var(--mut)}
.plan ul{list-style:none;padding:0;margin:14px 0 22px;flex:1;display:flex;flex-direction:column;gap:8px}
.plan li::before{content:"✓";color:var(--b);font-weight:700;margin-right:8px}
footer{border-top:1px solid var(--line);padding:26px 0;color:var(--mut);font-size:14px}
.doc{padding:40px 22px 80px;max-width:800px}
.doc h1{font-size:clamp(32px,5vw,44px)}
.doc h2{font-size:24px;margin:44px 0 12px}
.doc p{color:var(--mut);margin:8px 0}
.doc pre{margin:12px 0}
.lock{margin:22px 0;padding:18px 20px;border-radius:16px;background:var(--soft);border:1px solid var(--line);display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:15px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--mut);font-weight:600}
code{font-family:ui-monospace,Menlo,monospace;font-size:.9em;background:var(--soft);padding:2px 6px;border-radius:6px}
@media(max-width:700px){.box,.dev .wrap{grid-template-columns:1fr}.nav nav a:not(.btn){display:none}.hero{padding-top:32px}}