:root{--bg:#f6f7f9;--fg:#16212b;--muted:#5a6772;--brand:#0f2a3d;--accent:#ff7a1a;--card:#fff;--line:#e2e6ea;--radius:12px;--max:1100px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif;color:var(--fg);background:var(--bg);line-height:1.6;font-size:17px}
a{color:var(--brand)}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
header.site{background:var(--brand);color:#fff;position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:1.15rem;letter-spacing:.5px}
.logo img{width:34px;height:34px}
.logo small{display:block;font-weight:400;font-size:.72rem;opacity:.8;letter-spacing:0}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
nav a{color:#fff;text-decoration:none;padding:8px 12px;border-radius:8px;display:block}
nav a:hover,nav a[aria-current=page]{background:rgba(255,255,255,.12)}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;border-radius:8px;padding:6px 12px;font-size:1rem;cursor:pointer}
@media (max-width:760px){
 .menu-btn{display:block}
 nav{position:absolute;top:64px;left:0;right:0;background:var(--brand);display:none}
 nav.open{display:block}
 nav ul{flex-direction:column;padding:8px 20px 16px}
}
.hero{background:linear-gradient(135deg,var(--brand) 0%,#1d4a68 100%);color:#fff;padding:72px 0 64px}
.hero h1{font-size:clamp(1.8rem,4.5vw,2.8rem);line-height:1.2;margin:0 0 16px;max-width:780px}
.hero p{font-size:1.15rem;max-width:640px;opacity:.92;margin:0 0 28px}
.hero .tag{display:inline-block;background:rgba(255,122,26,.18);color:#ffb27a;border:1px solid rgba(255,122,26,.5);padding:4px 12px;border-radius:99px;font-size:.85rem;margin-bottom:16px}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:10px;border:0;cursor:pointer;font-size:1rem}
.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent;border:2px solid currentColor;color:inherit}
.btns{display:flex;gap:12px;flex-wrap:wrap}
section{padding:56px 0}
section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(1.4rem,3vw,1.9rem);margin:0 0 8px;color:var(--brand)}
.lead{color:var(--muted);margin:0 0 28px;max-width:700px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin:0 0 8px;color:var(--brand)}
.card .ico{font-size:1.8rem;line-height:1;margin-bottom:10px}
.card ul{padding-left:20px;margin:8px 0 0}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 22px 70px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;display:grid;place-items:center}
.steps strong{display:block;color:var(--brand)}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#eef2f5;color:var(--brand)}
.table-scroll{overflow-x:auto}
.cta{background:var(--accent);color:#fff;border-radius:var(--radius);padding:36px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.cta h2{color:#fff}.cta p{margin:0}
.cta .btn{background:var(--brand)}
.page-head{background:var(--brand);color:#fff;padding:48px 0 40px}
.page-head h1{margin:0 0 8px;font-size:clamp(1.6rem,4vw,2.3rem)}
.page-head p{margin:0;opacity:.9;max-width:680px}
.case{border-left:4px solid var(--accent)}
.case p{margin:6px 0}
.note{background:#fff7ef;border:1px solid #ffd3b0;border-radius:var(--radius);padding:14px 18px;color:#7a3d0c;font-size:.95rem}
form .row{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:16px}
label{display:block;font-weight:600;margin-bottom:6px;font-size:.95rem}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #c8d0d7;border-radius:8px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);border-color:transparent}
fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:0 0 16px;background:#fff}
legend{font-weight:700;color:var(--brand);padding:0 6px}
.radio{display:flex;gap:18px;flex-wrap:wrap}
.radio label,.check label{font-weight:400;display:flex;gap:8px;align-items:center;margin:0}
.radio input,.check input{width:auto}
.hint{color:var(--muted);font-size:.85rem;margin-top:4px}
.sim{display:grid;gap:24px;grid-template-columns:1.4fr 1fr;align-items:start}
@media (max-width:860px){.sim{grid-template-columns:1fr}}
.result{position:sticky;top:84px;background:var(--brand);color:#fff;border-radius:var(--radius);padding:24px}
.result .price{font-size:2rem;font-weight:800;color:#ffb27a;margin:6px 0}
.result dl{display:grid;grid-template-columns:1fr auto;gap:4px 12px;font-size:.92rem;margin:16px 0;opacity:.95}
.result dt{opacity:.8}.result dd{margin:0;text-align:right}
.result small{display:block;opacity:.8;margin-top:12px}
.result .btn{margin-top:16px;width:100%;text-align:center}
.hidden{display:none}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{padding:10px 0;border-bottom:1px solid var(--line)}
footer.site{background:#0b1f2d;color:#c5d0d8;padding:36px 0;font-size:.92rem}
footer.site a{color:#fff}
footer.site .wrap{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
footer.site h4{color:#fff;margin:0 0 8px}
footer.site ul{list-style:none;padding:0;margin:0}
.ph{background:#fff3cd;color:#664d03;padding:0 4px;border-radius:4px;font-family:ui-monospace,monospace;font-size:.9em}
footer.site .ph{background:#3a3200;color:#ffe48a}
.legal h2{margin-top:32px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}
.tabs button{flex:1 1 220px;padding:12px 14px;border:2px solid var(--line);background:#fff;border-radius:10px;font:inherit;font-weight:700;color:var(--brand);cursor:pointer}
.tabs button[aria-selected=true]{border-color:var(--accent);background:#fff7ef}
.dropzone{border:2px dashed #b9c3cc;border-radius:var(--radius);padding:24px;text-align:center;background:#fafbfc;transition:.15s}
.dropzone.over{border-color:var(--accent);background:#fff7ef}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.stl-preview{width:100%;height:280px;border-radius:10px;background:#eef2f5;margin:14px 0;overflow:hidden;touch-action:none}
.stl-dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0 0 10px;font-size:.95rem}
.stl-dl dt{color:var(--muted)}.stl-dl dd{margin:0;font-weight:600}
.photo-previews{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.photo-previews img{width:110px;height:110px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.btn.small{padding:6px 12px;font-size:.9rem}
.btn.light{background:#fff;color:var(--brand);border:1px solid #c8d0d7}
.result .quick-quote{margin:12px 0 0;font-weight:700;color:#ffb070}