:root{--bg:#f7f8fa;--ink:#1f2328;--muted:#5b6470;--accent:#1d4ed8;--line:#e4e6ea;--card:#ffffff}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:var(--card)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:20px;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:15px}
.hero{padding:72px 0 56px}
.hero h1{font-size:clamp(30px,5vw,44px);line-height:1.15;margin:0 0 16px;letter-spacing:-.02em}
.hero p{font-size:19px;color:var(--muted);margin:0}
.doc{padding:48px 0 64px}
.doc h1{font-size:34px;line-height:1.2;margin:0 0 6px}
.doc .date{color:var(--muted);margin:0 0 32px;font-size:15px}
.doc h2{font-size:21px;margin:36px 0 8px}
.doc ul{padding-left:22px}
.summary{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin-top:44px}
a{color:var(--accent)}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px;padding:24px 0}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
.f960{display:block;margin-top:14px}
.shelf{padding:8px 0 56px}
.shelf h2{font-size:20px;margin:36px 0 14px}
.books{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}
.book{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.book img{display:block;width:100%;height:auto;background:var(--line)}
.book small{font-size:12px;color:var(--muted);font-weight:400}
.book .b{padding:12px 14px 14px;display:flex;flex-direction:column;gap:4px;flex:1}
.book h3{font-size:17px;line-height:1.25;margin:0}
.book p{font-size:14px;line-height:1.4;color:var(--muted);margin:0}
.book .price{font-weight:700;margin-top:auto;padding-top:8px}
.book .go{color:var(--accent);font-size:15px;font-weight:600}
.f960 img{display:block;width:64px;height:auto}
.home-hero{padding:60px 0 36px}
.home-hero .kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 14px}
.home-hero h1{font-size:clamp(32px,6vw,50px);line-height:1.1;margin:0 0 16px;letter-spacing:-.025em}
.home-hero p{font-size:19px;color:var(--muted);margin:0;max-width:600px}
.trust{display:flex;flex-wrap:wrap;gap:8px 10px;margin:22px 0 0;padding:0;list-style:none}
.trust li{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px;color:var(--ink)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:8px 0 8px;padding:0;list-style:none;counter-reset:st}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 16px 14px;counter-increment:st}
.steps li:before{content:counter(st);display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;font-size:15px;margin-bottom:10px}
.steps b{display:block;font-size:17px;margin-bottom:2px}
.steps span{font-size:14.5px;line-height:1.45;color:var(--muted)}
.home-sec{font-size:22px;margin:44px 0 14px;letter-spacing:-.01em}
.info{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:0 0 56px}
.info div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.info b{display:block;margin-bottom:4px}
.info p{margin:0;font-size:14.5px;line-height:1.5;color:var(--muted)}
.books.few{grid-template-columns:repeat(auto-fill,minmax(220px,260px))}
.home-sec+.shelf{padding-bottom:40px}
.home-sec+.shelf h2{font-size:14px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:6px 0 10px}
.books.one{grid-template-columns:minmax(0,300px)}
@media (max-width:640px){.steps,.info{grid-template-columns:1fr}.home-hero{padding:40px 0 24px}.books.few{grid-template-columns:1fr 1fr}.books.one{grid-template-columns:minmax(0,320px)}}