:root{--dark:#0f172a;--dark2:#1e293b;--accent:#0ea5e9;--accent2:#0284c7;--text:#334155;--muted:#64748b;--light:#f8fafc;--border:#e2e8f0}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);line-height:1.65;background:#fff}
a{color:inherit;text-decoration:none}
img,picture{max-width:100%;height:auto;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.header{background:rgba(15,23,42,.96);color:#fff;padding:12px 0;position:sticky;top:0;z-index:50;backdrop-filter:blur(8px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.logo{font-size:22px;font-weight:800;letter-spacing:-.02em}
.logo span{color:var(--accent)}
.nav{display:flex;gap:6px;flex-wrap:wrap;font-size:13.5px;font-weight:600}
.nav a{color:#cbd5e1;padding:6px 8px;border-radius:8px}
.nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,.07)}
.header-phones{font-size:14px;font-weight:600;text-align:right}
.header-phones a{color:#fff}
.header-phones small{display:block;font-weight:400;color:#94a3b8;font-size:12px}
.hero{position:relative;color:#fff;padding:84px 0 72px;overflow:hidden;background:#0f172a}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,23,42,.88) 0%,rgba(15,23,42,.62) 55%,rgba(12,74,110,.45) 100%)}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.badge{display:inline-block;background:rgba(14,165,233,.22);color:#7dd3fc;font-size:13px;font-weight:600;padding:6px 14px;border-radius:100px;margin-bottom:16px}
.hero h1{font-size:38px;font-weight:800;line-height:1.15;margin-bottom:16px;letter-spacing:-.03em}
.hero h1 span{color:#38bdf8}
.lead{font-size:17px;color:#dbeafe;margin-bottom:24px;max-width:560px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 24px;border-radius:10px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:.2s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent2)}
.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px;backdrop-filter:blur(6px)}
.stat-card .num{font-size:22px;font-weight:800;color:#38bdf8;margin-bottom:4px}
.stat-card .label{font-size:13px;color:#cbd5e1}
.section{padding:64px 0}
.section-header{text-align:center;margin-bottom:36px}
.section-header h2{font-size:30px;font-weight:800;color:var(--dark);letter-spacing:-.02em;margin-bottom:10px}
.section-header p{color:var(--muted);font-size:16px;max-width:640px;margin:0 auto}
.products-grid,.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:.2s}
.card:hover{border-color:#bae6fd;box-shadow:0 12px 36px -12px rgba(14,165,233,.25);transform:translateY(-2px)}
.card img{width:100%;height:160px;object-fit:cover;background:#e2e8f0}
.card .pad{padding:20px}
.card h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted)}
.price{font-size:16px;font-weight:700;color:var(--accent);margin-top:10px}
.link{display:inline-block;margin-top:12px;font-size:14px;font-weight:600;color:var(--accent)}
.advantages{background:var(--light)}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv-item{text-align:center}
.adv-item .num{font-size:26px;font-weight:800;color:var(--accent)}
.adv-item h3{font-size:16px;font-weight:700;color:var(--dark);margin:6px 0}
.adv-item p{font-size:14px;color:var(--muted)}
.about-grid,.cta-grid,.content-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:start}
.about-text h2,.prose h2{font-size:26px;font-weight:800;color:var(--dark);margin:22px 0 10px}
.prose h2:first-child,.about-text h2:first-child{margin-top:0}
.prose h3{font-size:18px;color:var(--dark);margin:18px 0 8px}
.prose p,.about-text p,.prose li{margin-bottom:11px}
.prose ul{padding-left:18px}
.figure{margin:18px 0 22px;border-radius:14px;overflow:hidden;border:1px solid var(--border)}
.figure img{width:100%;height:320px;object-fit:cover}
.figure figcaption{font-size:13px;color:var(--muted);padding:8px 12px;background:var(--light)}
.about-box{background:var(--dark);color:#fff;border-radius:20px;padding:28px}
.about-box .row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:14.5px}
.about-box .row span:last-child{font-weight:600;color:#38bdf8;text-align:right}
.certs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.cert-card{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff}
.cert-card img{width:100%;height:170px;object-fit:cover;object-position:top}
.cert-card span{display:block;padding:8px 10px;font-size:12px;font-weight:600}
table.price-table{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff;border-radius:12px;overflow:hidden}
table.price-table th{background:#f1f5f9;text-align:left;padding:10px 12px;color:var(--dark)}
table.price-table td{padding:10px 12px;border-top:1px solid var(--border)}
table.price-table a{color:#0284c7;font-weight:600}
.cta{background:linear-gradient(90deg,#0ea5e9,#0284c7);padding:52px 0;color:#fff}
.cta h2{font-size:28px;font-weight:800;margin-bottom:10px}
.cta p{color:#e0f2fe;margin-bottom:14px}
.form{
  background:#fff;
  border-radius:20px;
  padding:26px 22px 22px;
  color:var(--text);
  border:1px solid #d7e3ee;
  box-shadow:0 18px 44px -18px rgba(15,23,42,.35);
  position:relative;
}
.form:before{
  content:"";
  position:absolute;
  inset:-12px;
  border-radius:28px;
  background:#e8eef5;
  z-index:-1;
}
.cta .form:before{
  background:rgba(255,255,255,.22);
  box-shadow:0 12px 36px rgba(8,47,73,.22);
}
.form h3{color:var(--dark);margin:0 0 14px;font-size:18px;font-weight:800}
.form label{display:block;font-size:13px;font-weight:600;margin:12px 0 5px;color:var(--dark)}
.form input,.form textarea{
  width:100%;
  padding:12px 13px;
  border:1px solid #d5dee8;
  border-radius:12px;
  font:inherit;
  background:#f8fafc;
}
.form input:focus,.form textarea:focus{
  outline:2px solid #7dd3fc;
  border-color:#0ea5e9;
  background:#fff;
}
.form textarea{min-height:100px;resize:vertical}
.form .row2{display:grid;grid-template-columns:1fr;gap:0}
.form .note{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.45}
.form-ok,.form-err{display:none;border-radius:10px;padding:12px;margin-bottom:10px;font-size:14px}
.form-ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.form-err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.footer{background:var(--dark);color:#94a3b8;padding:44px 0 22px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:24px;margin-bottom:24px}
.footer h4{color:#fff;font-size:13px;font-weight:700;margin-bottom:12px;text-transform:uppercase;letter-spacing:.04em}
.footer a{color:#94a3b8;display:block;margin-bottom:7px}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12.5px}
.page-hero{padding:56px 0 40px}
.crumb{font-size:13px;color:#94a3b8;margin-bottom:12px}
.crumb a{color:#7dd3fc}
.side-card{position:sticky;top:82px}
@media(max-width:960px){
  .hero-grid,.about-grid,.cta-grid,.content-grid,.footer-grid,.products-grid,.cards-3,.certs-grid{grid-template-columns:1fr 1fr}
  .adv-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:30px}
  .figure img{height:220px}
}
@media(max-width:640px){
  .hero-grid,.about-grid,.cta-grid,.content-grid,.footer-grid,.products-grid,.cards-3,.certs-grid,.adv-grid,.form .row2,.hero-stats{grid-template-columns:1fr}
  .header-phones{text-align:left}
}