:root{--bg:#0d1117;--panel:#161b22;--line:#242c37;--text:#e6edf3;--muted:#9aa7b4;--accent:#2f81f7;--ok:#3fb950}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;background:rgba(13,17,23,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
.site-header .wrap{display:flex;align-items:center;gap:24px;min-height:64px;flex-wrap:wrap}
.logo{font-weight:700;font-size:20px;color:var(--text)}
.logo span{color:var(--accent)}
.site-header nav{display:flex;gap:16px;flex-wrap:wrap;margin-right:auto}
.site-header nav a{color:var(--muted);font-size:15px}
.phone{font-weight:600;white-space:nowrap}
.hero{padding:56px 0 40px;border-bottom:1px solid var(--line)}
h1{font-size:clamp(26px,4vw,42px);line-height:1.2;margin:0 0 16px}
h2{font-size:clamp(22px,3vw,30px);margin:0 0 16px}
h3{margin:0 0 8px;font-size:19px}
.lead{font-size:18px;color:var(--muted);max-width:720px}
.hero-points{margin:20px 0 28px;padding-left:20px;color:var(--text)}
.hero-points li{margin:6px 0}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:600;border:1px solid transparent}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover{text-decoration:none;filter:brightness(1.1)}
.btn.ghost{border-color:var(--line);color:var(--text)}
section{padding:48px 0}
.hint{color:var(--muted);margin-top:-8px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:24px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}
.card p{color:var(--muted);margin:8px 0 0}
.card .price{color:var(--ok);font-weight:700;margin-top:14px}
.steps{list-style:none;counter-reset:s;padding:0;display:grid;gap:14px}
.steps li{counter-increment:s;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px 16px 56px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:16px;top:14px;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details p{color:var(--muted);margin:10px 0 0}
.contacts .big{font-size:24px;font-weight:700;margin:6px 0}
.lead-form{display:grid;gap:12px;max-width:520px;margin-top:24px}
.lead-form label{display:grid;gap:6px;color:var(--muted);font-size:14px}
.lead-form input,.lead-form textarea{background:#0b0f14;border:1px solid var(--line);border-radius:10px;padding:12px;color:var(--text);font:inherit}
.lead-form .btn{cursor:pointer;justify-self:start}
.small{font-size:13px;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
@media(max-width:600px){.site-header nav{order:3;width:100%}.hero{padding:36px 0 28px}}