:root{
  --ink:#101820;--muted:#5f6b76;--line:#dce2e7;--bg:#f7f9fa;--white:#fff;
  --accent:#1677c8;--accent2:#42b9d5;--dark:#0b1622;--radius:18px;
  --shadow:0 18px 50px rgba(16,24,32,.08);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--white);line-height:1.65}
a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}.container{width:min(1160px,calc(100% - 40px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:700}.logo{width:40px;height:40px}.brand small{display:block;font-size:10px;letter-spacing:.2em;color:#7b8791;font-weight:600}.links{display:flex;gap:22px;align-items:center;font-size:14px;color:#55616c}.links a{padding:8px 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:10px;border:1px solid var(--line);font-weight:700;font-size:14px}.btn.primary{background:#1f4f92;color:white;border-color:#1f4f92}.btn.primary:hover{color:#fff;background:#183f75}.btn.dark{background:var(--dark);color:#fff;border-color:var(--dark)}.hero{padding:100px 0 90px;background:radial-gradient(circle at 80% 15%,rgba(66,185,213,.13),transparent 30%),linear-gradient(180deg,#fff,#f7fafc)}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:12px;color:var(--accent);font-weight:800}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.02;letter-spacing:-.045em;max-width:880px;margin:18px 0}.lead{font-size:20px;color:var(--muted);max-width:760px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.grid{display:grid;gap:20px}.grid3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid2{grid-template-columns:repeat(2,minmax(0,1fr))}.section{padding:86px 0}.section.alt{background:var(--bg)}h2{font-size:38px;line-height:1.1;letter-spacing:-.03em;margin:0 0 14px}h3{font-size:21px;margin:0 0 8px}.section-intro{max-width:720px;color:var(--muted);margin-bottom:36px}.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;box-shadow:0 8px 30px rgba(16,24,32,.035)}.card p{color:var(--muted)}.price{font-size:34px;font-weight:800;letter-spacing:-.03em}.small{font-size:13px;color:var(--muted)}.tag{display:inline-block;border:1px solid #cbd9e4;border-radius:999px;padding:5px 9px;font-size:12px;color:#35627e;background:#f4f9fc}.list{padding-left:20px}.list li{margin:7px 0;color:var(--muted)}.identity{background:var(--dark);color:#fff;border-radius:24px;padding:34px}.identity p{color:#c7d1da}.legal{max-width:900px}.legal h2{font-size:30px;margin-top:46px}.legal h3{margin-top:30px}.legal p,.legal li{color:#52606c}.breadcrumbs{padding-top:30px;color:#6a7680;font-size:13px}.pagehead{padding:65px 0 45px;background:var(--bg);border-bottom:1px solid var(--line)}.pagehead h1{font-size:54px;line-height:1.05;letter-spacing:-.04em;margin:12px 0}.faq details{border-top:1px solid var(--line);padding:18px 0}.faq summary{font-weight:700;cursor:pointer}.footer{background:#f0f3f5;border-top:1px solid var(--line);padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}.footer h4{text-transform:uppercase;letter-spacing:.13em;font-size:11px}.footer a{display:block;margin:8px 0;color:#596570;font-size:14px}.footer-bottom{border-top:1px solid #d5dce1;margin-top:35px;padding-top:18px;color:#69757e;font-size:13px;display:flex;justify-content:space-between;gap:20px}.notice{padding:14px 16px;background:#eef7fc;border:1px solid #cce3f1;border-radius:12px;color:#365b72}.form{display:grid;gap:16px}.field{display:grid;gap:7px}.field label{font-size:14px;font-weight:700}.field input,.field select,.field textarea{font:inherit;padding:12px 13px;border:1px solid #cbd4da;border-radius:10px;background:#fff}.field textarea{min-height:150px}.check{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--muted)}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:15px;border-bottom:1px solid var(--line);vertical-align:top}.table th{font-size:13px;background:#f4f7f9}.hero-visual{margin-top:50px;border:1px solid var(--line);border-radius:26px;background:#0c1824;min-height:270px;position:relative;overflow:hidden}.hero-visual:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 0 35%,rgba(66,185,213,.15) 50%,transparent 65%),repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 60px),repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 60px)}.circuit{position:absolute;inset:35px;border:1px solid rgba(105,203,224,.3);border-radius:20px}.circuit:after{content:"R&D • TEST • PROTOTYPE • IMPROVE";position:absolute;left:24px;bottom:22px;color:#a9ddea;letter-spacing:.16em;font-size:11px}.hide{display:none}
.mt28{margin-top:28px}
.checkout-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:24px;align-items:start}
.checkout-main{display:grid;gap:20px}
.checkout-side{position:sticky;top:96px}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:999px;background:#1f4f92;color:#fff;font-size:13px;margin-right:8px;vertical-align:2px}
.service-list{display:grid;gap:10px;margin:14px 0}
.service-option{display:flex;align-items:center;gap:13px;border:1px solid var(--line);border-radius:12px;padding:14px 16px;cursor:pointer;background:#fff}
.service-option:hover{border-color:var(--accent)}
.service-option:has(input:checked){border-color:#1f4f92;box-shadow:0 0 0 2px rgba(31,79,146,.16);background:#f6faff}
.service-option input{accent-color:#1f4f92;width:17px;height:17px;flex:none}
.service-option-body{flex:1;display:grid;gap:2px}
.service-option-body .small{line-height:1.4}
.service-price{font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.order-summary h3{margin-bottom:14px}
.summary-table{width:100%;border-collapse:collapse;font-size:14.5px}
.summary-table td{padding:8px 0;border-bottom:1px solid var(--line);vertical-align:top}
.summary-table td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:700}
.summary-table .small-row td{color:var(--muted);font-size:13px;font-weight:400}
.summary-table .small-row td.num{font-weight:400}
.summary-table .total-row td{font-size:17px;font-weight:800;border-bottom:2px solid var(--ink);padding:11px 0}
.btn-block{width:100%;margin:18px 0 12px;padding:15px 18px;font-size:15px}
.brief-box{min-height:90px}
.after-order{margin-top:26px}
@media(max-width:900px){.links{display:none}.grid3,.grid2,.footer-grid,.checkout-grid{grid-template-columns:1fr}.hero{padding:70px 0}.hero h1,.pagehead h1{font-size:44px}.footer-bottom{flex-direction:column}.checkout-side{position:static}}