/* Base */
:root{--bg:#0b0c10;--surface:#111318;--card:#161922;--text:#e9eef5;--muted:#a9b3c4;--primary:#7c4dff;--accent:#00d1b2;--border:#242837;--shadow:0 10px 30px rgba(0,0,0,.45)}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,var(--bg),#0e1117 40%,#0d1116);color:var(--text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.muted{color:var(--muted)}
main{flex:1}
/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,17,22,.7);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px}
.logo{font-weight:800;letter-spacing:.5px;background:linear-gradient(90deg,#fff,var(--muted));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:22px}
.nav a{padding:10px 0;color:var(--muted)}
.nav a.active,.nav a:hover{color:#fff}
.burger{display:none;flex-direction:column;gap:5px;background:0;border:0;cursor:pointer}
.burger span{width:22px;height:2px;background:#fff;display:block}
/* Hero */
.hero{padding:64px 0 40px;border-bottom:1px solid var(--border)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:44px;line-height:1.15;margin:0 0 12px}
.hero p{color:var(--muted);margin:0 0 22px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{border-radius:18px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border)}
.hero-meta{display:flex;gap:16px;color:var(--muted);margin-top:18px;font-size:14px}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:10px;border:1px solid var(--border);color:#fff;transition:all .2s ease;cursor:pointer}
.btn-primary{background:linear-gradient(90deg,var(--primary),#9b6bff);box-shadow:0 6px 18px rgba(124,77,255,.35)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-outline{background:transparent}
.btn-outline:hover{border-color:#3a3f52;background:#151a23}
.btn-accent{background:linear-gradient(90deg,var(--accent),#42e6d1);color:#0b0c10;border:none;box-shadow:0 6px 18px rgba(0,209,178,.35)}
/* Sections */
.features{padding:40px 0}
.feature-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature-grid li{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.feature-grid h3{margin:0 0 6px}
.cta{padding:40px 0}
.cta-inner{background:radial-gradient(80% 120% at 50% 0%,rgba(124,77,255,.35),rgba(0,0,0,0) 60%),linear-gradient(180deg,#141926,#0d1116);border:1px solid var(--border);border-radius:16px;padding:28px;text-align:center;box-shadow:var(--shadow)}
/* Page generic */
.page{padding:26px 0 40px;flex:1}
h1{margin:0 0 14px}
.kv{list-style:none;margin:0;padding:0;border:1px solid var(--border);border-radius:12px;overflow:hidden}
.kv li{display:flex;justify-content:space-between;gap:16px;padding:12px 14px;border-top:1px solid var(--border)}
.kv li:first-child{border-top:0}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.services-grid article{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
/* Catalog */
.catalog-toolbar{display:flex;gap:12px;align-items:center;margin:12px 0 18px;flex-wrap:wrap}
.catalog-toolbar input,.catalog-toolbar select{height:40px;border-radius:10px;border:1px solid var(--border);background:#0f1420;color:#fff;padding:0 12px;min-width:0}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.product-card{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.product-card img{aspect-ratio:4/3;object-fit:cover;width:100%;height:auto}
.product-body{padding:14px;display:flex;flex-direction:column;gap:8px}
.product-title{font-weight:600}
.product-price{color:#cfe1ff}
.product-actions{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap}
/* Contact */
.contact-form{display:flex;flex-direction:column;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.contact-form .row{display:flex;gap:12px}
.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--border);border-radius:10px;background:#0f1420;color:#fff;padding:10px}
.contact-form .align-center{align-items:center}
.form-status{color:#8be0c1}
/* Footer */
.site-footer{border-top:1px solid var(--border);margin-top:24px}
.footer-inner{display:flex;gap:20px;justify-content:space-between;align-items:flex-start;padding:24px 0}
.footer-nav{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-contacts{display:grid;gap:6px}
.copyright{border-top:1px solid var(--border);color:var(--muted);font-size:14px}
/* Preloader */
.preloader{position:fixed;inset:0;background:#0d1116;display:grid;place-items:center;z-index:1000}
.spinner{width:42px;height:42px;border-radius:50%;border:3px solid #223;border-top-color:#9b6bff;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* Responsive */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .services-grid,.product-grid{grid-template-columns:1fr 1fr}
  .nav{display:none;position:absolute;right:20px;top:68px;background:#0f1420;border:1px solid var(--border);border-radius:12px;padding:10px 14px;flex-direction:column;gap:8px;min-width:200px}
  .nav.open{display:flex}
  .burger{display:flex}
}
@media (max-width:620px){
  .container{padding:0 14px}
  .hero{padding:42px 0 28px}
  .hero h1{font-size:30px}
  .hero-inner{gap:18px}
  .feature-grid{grid-template-columns:1fr}
  .services-grid,.product-grid{grid-template-columns:1fr}
  .contact-form .row{flex-direction:column}
  .btn{height:42px;padding:0 14px}
  .footer-inner{flex-direction:column;gap:16px}
}
@supports (padding:max(0px)){
  .site-header{padding-left:max(0px,env(safe-area-inset-left));padding-right:max(0px,env(safe-area-inset-right))}
}