:root{--ink:#101828;--muted:#667085;--line:#e4e7ec;--accent:#ff5a1f;--dark:#07101f}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.shell{width:min(1220px,calc(100% - 32px));margin:auto}
.top{background:var(--dark);color:#d6dce6;font-size:13px}.top .shell{min-height:38px;display:flex;align-items:center;gap:18px}.top span{flex:1}.top a{font-weight:800;color:#fff}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid #edf0f3}.nav{min-height:76px;display:flex;align-items:center;gap:24px}.logo{display:flex;align-items:center;gap:11px;font-weight:900}.logo i{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--accent),#df3e00);color:#fff;font-style:normal;font-size:24px}.logo small{display:block;color:#98a2b3;font-size:10px;letter-spacing:1.2px}.nav nav{display:flex;gap:24px;flex:1;justify-content:center}.nav nav a{font-weight:800;font-size:14px}.nav-actions{display:flex;gap:8px;align-items:center}
.chip,.btn{border:1px solid var(--line);background:#fff;border-radius:13px;min-height:44px;padding:0 14px;font-weight:850;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.dark{background:#101828;color:#fff;border-color:#101828}.btn.small{min-height:36px;padding:0 11px;font-size:13px}
.hero{background:radial-gradient(circle at 78% 28%,rgba(255,90,31,.16),transparent 24%),linear-gradient(180deg,#fff,#f5f7fa);padding:70px 0 65px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.badge{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:12px;font-weight:850;background:#fff}.hero h1{font-size:clamp(48px,6vw,84px);line-height:.96;letter-spacing:-3px;margin:24px 0 20px}.hero h1 em{font-style:normal;color:var(--accent)}.hero p{font-size:18px;color:var(--muted);line-height:1.7;max-width:650px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
.hero-card{min-height:420px;border-radius:34px;background:linear-gradient(145deg,#111d30,#07101f);position:relative;overflow:hidden;box-shadow:0 35px 80px rgba(16,24,40,.18)}.hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:24px;background:linear-gradient(155deg,#fff,#dce3ea);box-shadow:0 25px 50px rgba(0,0,0,.25)}.hero-card:before{width:205px;height:290px;left:70px;top:66px;transform:rotate(-5deg)}.hero-card:after{width:165px;height:245px;right:62px;top:108px;transform:rotate(7deg);background:linear-gradient(155deg,#1c2739,#080e17)}.hero-card .tag{position:absolute;z-index:2;padding:11px 13px;border-radius:14px;background:rgba(255,255,255,.94);font-weight:900}.hero-card .t1{left:22px;bottom:24px}.hero-card .t2{right:22px;top:24px}
.categories{padding:24px 0 80px;background:linear-gradient(180deg,#f5f7fa,#fff)}.cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.cat{border:1px solid var(--line);border-radius:28px;padding:28px;min-height:190px;position:relative;background:#fff}.cat.dark{background:#0b1220;color:#fff;border:0}.cat small{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:#98a2b3}.cat h2{font-size:30px;margin:10px 0}.cat p{color:#98a2b3;line-height:1.6;margin:0;max-width:520px}.cat b{position:absolute;right:28px;bottom:25px;font-size:25px}
.catalog{padding:75px 0 90px}.section-head{display:grid;grid-template-columns:1fr .8fr;gap:40px;align-items:end;margin-bottom:28px}.section-head h2{font-size:clamp(35px,4vw,55px);letter-spacing:-2px;margin:5px 0}.section-head p{color:var(--muted);line-height:1.7;margin:0}.eyebrow{font-size:11px;letter-spacing:1.3px;text-transform:uppercase;color:var(--accent);font-weight:900}
.toolbar{display:grid;grid-template-columns:auto 1fr auto;gap:12px;margin-bottom:24px}.seg{display:flex;background:#f2f4f7;padding:4px;border-radius:14px}.seg button{border:0;background:transparent;border-radius:10px;padding:10px 13px;font-weight:850;cursor:pointer}.seg button.active{background:#fff;box-shadow:0 3px 10px rgba(16,24,40,.08)}.toolbar input,.toolbar select{height:48px;border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 14px}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid #e7eaee;border-radius:24px;overflow:hidden;background:#fff;transition:.2s}.card:hover{transform:translateY(-4px);box-shadow:0 20px 50px rgba(16,24,40,.10)}.card-img{height:245px;background:linear-gradient(145deg,#f8f9fb,#e9eef3);display:grid;place-items:center;position:relative;overflow:hidden}.card-img.heater{background:linear-gradient(145deg,#152237,#08101b)}.card-img img{width:100%;height:100%;object-fit:contain;padding:18px;background:#fff}.device{width:114px;height:158px;background:linear-gradient(150deg,#fff,#dbe2e8);border-radius:16px;box-shadow:0 22px 38px rgba(16,24,40,.17);position:relative}.heater .device{width:100px;height:165px;background:linear-gradient(150deg,#f7f9fc,#bcc7d3)}.device:before{content:"";position:absolute;width:43px;height:29px;border-radius:7px;background:#101828;left:50%;top:58px;transform:translateX(-50%)}.pill,.stock{position:absolute;top:14px;padding:7px 10px;border-radius:999px;font-size:10px;font-weight:900;background:#fff}.pill{left:14px}.stock{right:14px;background:#ecfdf3;color:#087443}.stock.out{background:#fef3f2;color:#b42318}
.card-body{padding:14px 16px 15px}.brand-row{display:flex;justify-content:space-between;gap:10px}.brand-row span{font-size:11px;text-transform:uppercase;letter-spacing:.7px;color:#98a2b3;font-weight:900}.card h3{margin:5px 0 4px;font-size:18px;line-height:1.18}.sub{min-height:28px;color:var(--muted);font-size:11.5px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.spec-mini{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin:10px 0 11px}.spec-mini div{background:#f7f8fa;border-radius:10px;padding:6px}.spec-mini small{display:block;color:#98a2b3;font-size:8px;text-transform:uppercase}.spec-mini b{font-size:10.5px;line-height:1.25}.card-foot{border-top:1px solid #eef1f4;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:10px}.price small{display:block;color:#98a2b3;font-size:9px;margin-bottom:1px}.price strong{font-size:26px;line-height:1;font-weight:950;letter-spacing:-.6px;color:#0b1220}.card-buttons{display:flex;gap:7px}
.footer{background:#08101c;color:#d5dce6;padding:55px 0}.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.foot p,.foot a{color:#97a3b4}.foot>div{display:grid;align-content:start;gap:9px}
.panel-wrap{background:#f5f7fa;min-height:100vh;padding:38px 0}.panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px}.panel h1,.panel h2{margin-top:0}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:grid;gap:6px;margin-bottom:12px}.field label{font-size:12px;font-weight:850;color:#475467}.field input,.field select,.field textarea{width:100%;border:1px solid #dfe3e8;border-radius:12px;padding:11px 12px;background:#fff}.field textarea{min-height:120px;resize:vertical}.hint{font-size:11px;color:#98a2b3}.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px;border-bottom:1px solid #edf0f3;text-align:left;font-size:13px;vertical-align:top}.table th{font-size:11px;text-transform:uppercase;color:#667085}.status{display:inline-flex;padding:6px 9px;border-radius:999px;background:#eef2ff;font-size:11px;font-weight:900}.notice{padding:14px 16px;border-radius:14px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;margin:14px 0}.success{background:#ecfdf3;border-color:#abefc6;color:#067647}.danger{background:#fef3f2;border-color:#fecdca;color:#b42318}
.product-page{padding:55px 0 80px}.product-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px}.product-photo{min-height:560px;border-radius:28px;background:#f4f6f8;display:grid;place-items:center;overflow:hidden}.product-photo{overflow:hidden}.product-photo img{width:100%;height:100%;object-fit:contain;padding:18px;transform:scale(1.02);transform-origin:center;transition:transform .24s ease;cursor:zoom-in;image-rendering:auto;will-change:transform}.product-photo:hover img{transform:scale(1.10)}.product-photo .device{transform:scale(1.6)}.product-info h1{font-size:44px;line-height:1.05;margin:8px 0 10px}.lead{color:var(--muted);line-height:1.7}.spec-table{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:22px 0}.spec-table div{padding:12px 14px;border-bottom:1px solid var(--line)}.spec-table .k{background:#f8f9fb;color:#667085;font-size:12px}.spec-table .v{font-weight:800}
.cart-modal{position:fixed;right:0;top:0;width:min(480px,100%);height:100dvh;background:#fff;z-index:90;box-shadow:-25px 0 70px rgba(10,20,35,.18);transform:translateX(105%);transition:.25s;display:grid;grid-template-rows:auto 1fr auto}.cart-modal.open{transform:translateX(0)}.cart-head,.cart-foot{padding:18px 20px;border-bottom:1px solid var(--line)}.cart-foot{border-top:1px solid var(--line);border-bottom:0}.cart-body{padding:18px 20px;overflow:auto}.cart-item{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid #eef1f4}.backdrop{position:fixed;inset:0;background:rgba(6,12,21,.55);z-index:80;opacity:0;pointer-events:none;transition:.2s}.backdrop.open{opacity:1;pointer-events:auto}
.admin-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.admin-nav a{padding:9px 12px;border:1px solid var(--line);border-radius:10px;font-weight:800;font-size:13px;background:#fff}.admin-nav a.active{background:#101828;color:#fff}.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}.kpi{border:1px solid var(--line);border-radius:16px;padding:16px}.kpi small{color:#667085}.kpi b{display:block;font-size:28px;margin-top:4px}
@media(max-width:900px){.nav nav{display:none}.hero-grid,.section-head,.product-grid,.grid2{grid-template-columns:1fr}.hero-card{min-height:360px}.products{grid-template-columns:repeat(2,1fr)}.toolbar{grid-template-columns:1fr}.cat-grid{grid-template-columns:1fr}.kpis{grid-template-columns:1fr 1fr}.foot{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.shell{width:min(100% - 20px,1220px)}.top span{display:none}.nav{min-height:66px}.logo small{display:none}.hide-mobile{display:none}.hero{padding-top:42px}.hero h1{font-size:48px;letter-spacing:-2px}.hero-card{min-height:300px}.hero-card:before{width:150px;height:220px;left:35px;top:45px}.hero-card:after{width:120px;height:190px;right:30px;top:80px}.products{grid-template-columns:1fr}.product-info h1{font-size:34px}.spec-table{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.kpis{grid-template-columns:1fr}.foot{grid-template-columns:1fr}}

@media(max-width:650px){.product-photo{min-height:430px}.product-photo img{transform:scale(1.10)}.product-photo:hover img{transform:scale(1.10)}}

.photoLightbox{position:fixed;inset:0;z-index:9999;background:rgba(5,10,18,.88);display:none;align-items:center;justify-content:center;padding:28px;backdrop-filter:blur(5px)}
.photoLightbox.open{display:flex}.photoLightbox img{max-width:min(92vw,1100px);max-height:90vh;width:auto;height:auto;object-fit:contain;background:#fff;border-radius:18px;box-shadow:0 30px 90px rgba(0,0,0,.45)}
.photoLightboxClose{position:fixed;top:18px;right:22px;border:0;background:#fff;color:#101828;width:46px;height:46px;border-radius:50%;font-size:26px;line-height:1;cursor:pointer;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.photoLightboxHint{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);color:#fff;background:rgba(0,0,0,.38);padding:8px 12px;border-radius:999px;font-size:12px}
@media(max-width:600px){.photoLightbox{padding:12px}.photoLightbox img{max-width:96vw;max-height:82vh}.photoLightboxHint{display:none}}