:root{--bg:#fff;--fg:#1b1f24;--muted:#5b6470;--acc:#3b4cca;--alt:#f4f6fa;--line:#e3e7ee}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 -apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--fg);background:var(--bg)}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}a{color:var(--acc);text-decoration:none}
.top{border-bottom:1px solid var(--line);position:sticky;top:0;background:#fffffff0;z-index:2}
.nav{display:flex;justify-content:space-between;align-items:center;height:64px;flex-wrap:wrap}
.nav nav a{margin-left:22px;color:var(--fg)}.logo{display:flex;gap:10px;align-items:center;font-weight:700;color:var(--fg);font-size:18px}
.hero{padding:90px 0 70px;background:linear-gradient(160deg,#eef0ff,#fff 60%)}
h1{font-size:44px;line-height:1.15;max-width:760px;margin:0 0 20px}.lead{font-size:19px;color:var(--muted);max-width:680px}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:12px 26px;border-radius:8px;border:0;font-size:16px;cursor:pointer;margin-top:12px}
.facts{display:flex;gap:40px;list-style:none;padding:0;margin:50px 0 0;flex-wrap:wrap;color:var(--muted)}.facts b{display:block;font-size:28px;color:var(--fg)}
section{padding:70px 0}section.wrap{padding:70px 20px}.alt{background:var(--alt)}h2{font-size:32px;margin:0 0 30px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid.two{grid-template-columns:repeat(2,1fr)}
article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}article h3{margin:0 0 8px;font-size:19px}article p{margin:0;color:var(--muted)}
.tag{font-size:13px;color:var(--acc);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.price .sum{font-size:26px;font-weight:700;color:var(--fg);margin:10px 0}.price small{font-size:15px;color:var(--muted);font-weight:400}.price ul{padding-left:18px;color:var(--muted)}
.price.main{border:2px solid var(--acc)}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:40px}form label{display:block;margin-bottom:14px;font-size:14px;color:var(--muted)}
input,textarea{display:block;width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit}
.foot{display:flex;justify-content:space-between;padding:30px 20px;color:var(--muted);font-size:14px;flex-wrap:wrap}
@media(max-width:800px){h1{font-size:32px}.grid,.grid.two,.contact{grid-template-columns:1fr}.nav nav{display:none}}