:root{--bg:#F5F6F8;--fg:#161A22;--ac:#2A6BDB;--soft:#E3E7EE}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif}
a{color:var(--ac)}img,svg{max-width:100%}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:18px;padding-bottom:18px;flex-wrap:wrap}
.brand{font:700 21px/1.2 -apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:var(--fg);text-decoration:none}nav a{margin-left:20px;text-decoration:none;color:var(--fg);font-size:15px}nav a.on,nav a:hover{color:var(--ac)}
h1,h2,h3{font-family:-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.25;margin:0 0 .5em}h1{font-size:clamp(30px,5vw,46px)}h2{font-size:26px}
.hero{padding:56px 0}.hero p.lead{font-size:19px;max-width:560px}.card{background:var(--soft);border-radius:14px;padding:22px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.price{color:var(--ac);font-weight:700}
.btn{display:inline-block;background:var(--ac);color:#fff;padding:11px 22px;border-radius:10px;text-decoration:none;margin-top:8px}
section{padding:30px 0}footer{border-top:1px solid var(--soft);margin-top:40px;padding:26px 0;color:#6b6b6b;font-size:14px}footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.split{display:grid;gap:36px;grid-template-columns:1.2fr 1fr;align-items:center}@media(max-width:760px){.split{grid-template-columns:1fr}nav a{margin:0 14px 0 0}}
.art{background:var(--soft);border-radius:18px;padding:10px}.hero{padding-top:40px}header{background:var(--soft)}.card{background:#fff;border:1px solid var(--soft)}