:root{--ink:#14213d;--mut:#5b6475;--acc:#0f766e;--bg:#f7f8fa;--card:#fff}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--acc)}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.logo{font-weight:800;font-size:20px}.logo span{color:var(--acc)}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;padding:40px 0 60px;align-items:center}
h1{font-size:44px;line-height:1.1;margin:0 0 16px}.lead{font-size:19px;color:var(--mut)}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:14px 22px;border-radius:10px;font-weight:700;text-decoration:none;border:0;cursor:pointer;font-size:16px}
.btn.alt{background:#fff;color:var(--acc);border:2px solid var(--acc)}
.card{background:var(--card);border-radius:16px;padding:24px;box-shadow:0 6px 24px rgba(20,33,61,.08)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}section{padding:50px 0}h2{font-size:30px;margin:0 0 20px}
.price{font-size:48px;font-weight:800}.small{font-size:13px;color:var(--mut)}ul.check{padding-left:0;list-style:none}ul.check li:before{content:"✓ ";color:var(--acc);font-weight:800}
input,select,textarea{width:100%;padding:11px;border:1px solid #cfd5df;border-radius:8px;font:inherit;margin:4px 0 12px}
label{font-weight:600;font-size:14px}footer{padding:30px 0;color:var(--mut);font-size:13px;border-top:1px solid #e3e7ee}
pre{white-space:pre-wrap;background:#f1f4f8;padding:16px;border-radius:10px;font:14px/1.5 ui-monospace,monospace}
.tabs button{background:#e8edf3;border:0;padding:8px 12px;border-radius:8px;margin:0 6px 8px 0;cursor:pointer}.tabs button.on{background:var(--acc);color:#fff}
@media(max-width:800px){.hero,.grid3{grid-template-columns:1fr}h1{font-size:34px}}