:root{
  --bg:#f7f8fb;--card:#ffffff;--text:#1d2330;--muted:#4a5568;--dim:#718096;
  --accent:#2f6fed;--accent-text:#ffffff;--shadow:0 1px 3px rgba(0,0,0,.06);--border:transparent;
  --line:#d9dee8;--err:#c53030;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0f1218;--card:#171b24;--text:#e6e9f0;--muted:#a3abbd;--dim:#7c859a;
    --accent:#5b8cff;--accent-text:#0b0e14;--shadow:none;--border:#252b38;
    --line:#2c3342;--err:#fc8181;color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0f1218;--card:#171b24;--text:#e6e9f0;--muted:#a3abbd;--dim:#7c859a;
  --accent:#5b8cff;--accent-text:#0b0e14;--shadow:none;--border:#252b38;
  --line:#2c3342;--err:#fc8181;color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:16px}
body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);transition:background .2s,color .2s}
a{color:var(--accent)}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;padding-bottom:24px}
.logo{font-weight:700;font-size:22px;color:var(--text);text-decoration:none}.logo span{color:var(--accent)}
nav{display:flex;align-items:center;flex-wrap:wrap;gap:4px 20px}
nav a{color:var(--muted);text-decoration:none}nav a:hover{color:var(--text)}
.theme{border:1px solid var(--border);background:var(--card);color:var(--text);width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:16px;line-height:1;box-shadow:var(--shadow)}
.hero{padding-top:60px;padding-bottom:60px}
.eyebrow{margin:0 0 10px;color:var(--accent);font-weight:600;font-size:14px;letter-spacing:.02em}
h1{font-size:40px;line-height:1.2;margin:0 0 16px}
h2{font-size:28px;margin:0 0 20px}
.lead{font-size:18px;color:var(--muted);max-width:680px;margin:0}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;margin-top:16px;padding:12px 22px;background:var(--accent);color:var(--accent-text);border:1px solid var(--accent);border-radius:8px;text-decoration:none;font:inherit;font-weight:600;cursor:pointer;transition:filter .15s}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.small{padding:8px 16px;font-size:14px}
.facts{list-style:none;padding:0;margin:36px 0 0;display:flex;flex-wrap:wrap;gap:28px}
.facts b{display:block;font-size:20px}.facts span{color:var(--dim);font-size:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;padding-bottom:20px}
.grid>div{background:var(--card);padding:20px;border-radius:12px;box-shadow:var(--shadow);border:1px solid var(--border)}
.grid h3{margin:0 0 8px}.grid p{margin:0 0 8px;color:var(--muted)}
.prices>div{display:flex;flex-direction:column}
.prices .btn{margin-top:auto;align-self:flex-start}
.price{font-size:22px;font-weight:700;color:var(--text)!important}
.note{color:var(--dim);font-size:14px;margin:0 0 10px}
.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:14px}
.steps li{counter-increment:s;display:grid;grid-template-columns:40px 1fr;column-gap:14px;align-items:start}
.steps li::before{content:counter(s);grid-row:span 2;width:36px;height:36px;border-radius:50%;background:var(--accent);color:var(--accent-text);display:grid;place-items:center;font-weight:700}
.steps span{color:var(--muted)}
details{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:10px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details p{margin:10px 0 0;color:var(--muted)}
.contact{display:grid;grid-template-columns:3fr 2fr;gap:28px;align-items:start}
.form{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;padding:22px;display:grid;gap:14px}
.form label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
.form input,.form select,.form textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px;width:100%}
.form textarea{resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:transparent}
.form input.bad{border-color:var(--err)}
.form .btn{margin-top:4px;justify-self:start}
.hint{margin:0;font-size:13px;color:var(--dim)}.hint.err{color:var(--err)}
.info p{margin:0 0 16px;color:var(--muted)}.info b{color:var(--text)}
section{padding-bottom:40px}
footer{padding-top:30px;padding-bottom:30px;color:var(--dim);font-size:14px}
@media (max-width:700px){.contact{grid-template-columns:1fr}}
@media (max-width:600px){h1{font-size:30px}header{flex-wrap:wrap}nav{gap:4px 14px}.hero{padding-top:30px;padding-bottom:30px}}