:root{--navy:#0b1738;--blue:#172d64;--red:#c6202c;--muted:#69768b;--line:#e2e6ed;--soft:#f5f7fa}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:#182135;line-height:1.55}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--line)}
.nav-wrap{height:70px;display:flex;align-items:center;justify-content:space-between}
.brand img{width:125px;display:block}
.nav{display:flex;gap:24px;align-items:center;font-weight:750}
.nav a{padding:20px 0}
.cart b{background:var(--red);color:#fff;border-radius:50%;padding:2px 7px}
.menu-btn{display:none;border:0;background:none;font-size:26px}
.hero{background:linear-gradient(135deg,#f6f8fb,#fff)}
.hero-grid{min-height:570px;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.hero h1,.page-hero h1,.shop-head h1{font-size:clamp(42px,6vw,70px);line-height:1.03;letter-spacing:-.045em;color:var(--navy);margin:0 0 22px}
.hero p,.lead,.page-hero p{font-size:19px;color:var(--muted)}
.hero-card{background:var(--navy);color:#fff;border-radius:22px;padding:45px;display:flex;min-height:300px;flex-direction:column;justify-content:center}
.hero-card strong{font-size:30px;margin:10px 0}
.hero-card span{color:#bdc7da}
.eyebrow{display:block;color:var(--red);font-size:12px;letter-spacing:.18em;font-weight:900;margin-bottom:14px}
.actions{display:flex;gap:10px;margin-top:28px}
.btn{display:inline-block;background:var(--red);color:#fff;border:1px solid var(--red);border-radius:8px;padding:12px 18px;font-weight:800;cursor:pointer}
.btn:disabled{opacity:.45}
.secondary{background:#fff;color:var(--blue);border-color:#ccd2dd}
.section{padding:80px 0}
.section h2{font-size:40px;color:var(--navy)}
.page-hero,.shop-head{padding:70px 0;background:var(--soft);border-bottom:1px solid var(--line)}
.page-hero.small{padding:45px 0}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cards article{border:1px solid var(--line);border-radius:13px;padding:25px}
.search{display:flex;gap:10px;max-width:750px}
.search input{flex:1}
.shop-layout{display:grid;grid-template-columns:220px 1fr;gap:35px}
.shop-layout aside{border-right:1px solid var(--line);padding-right:20px}
.shop-layout aside a{display:block;padding:8px;color:#56637a}
.result{margin-bottom:18px;color:var(--muted)}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product{border:1px solid var(--line);border-radius:14px;overflow:hidden}
.photo{height:250px;display:flex;align-items:center;justify-content:center;position:relative}
.noimg,.bigphoto{color:#a5aebe;font-weight:900;letter-spacing:.12em}
.badge{position:absolute;top:12px;left:12px;background:#fff0f0;color:var(--red);padding:5px 8px;border-radius:6px;font-size:11px;font-weight:900}
.pdata{padding:20px;border-top:1px solid var(--line)}
.pdata>small{color:#7c8798}
.pdata h3{font-size:17px;min-height:52px}
.stock{display:block;width:max-content;background:#eaf8ef;color:#187243;padding:5px 8px;border-radius:6px;font-size:12px;margin:8px 0}
.price{font-size:25px;font-weight:900;color:var(--red)}
.price.big{font-size:40px}
.price small{font-size:12px;color:#778297}
.iva{font-size:13px;color:#58647a;margin-bottom:14px}
del{display:block;color:#9099a8}
.detail{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.bigphoto{min-height:430px;border:1px solid var(--line);border-radius:15px;display:flex;align-items:center;justify-content:center}
.detail h1{font-size:42px;line-height:1.1;color:var(--navy)}
.cart-layout{display:grid;grid-template-columns:1fr 350px;gap:40px}
.cartrow{display:grid;grid-template-columns:1fr 80px 120px;gap:15px;align-items:center;border-bottom:1px solid var(--line);padding:17px 0}
.cartrow small{display:block;color:var(--muted)}
.summary,.form{border:1px solid var(--line);border-radius:13px;padding:25px}
.summary p{display:flex;justify-content:space-between}
.summary .total{border-top:1px solid var(--line);padding-top:14px;font-size:20px}
.full{width:100%;text-align:center}
.narrow{max-width:720px}
.center{text-align:center}
label{display:block;font-size:13px;font-weight:800;margin-bottom:14px}
input,select{width:100%;padding:12px;border:1px solid #d4dae4;border-radius:8px;margin-top:5px;font:inherit}
.notice{background:#fff0f0;color:#a21f29;padding:12px;border-radius:7px}
.success{background:#eaf8ef;color:#176d39;padding:12px;border-radius:7px}
.empty{padding:30px;background:var(--soft);border-radius:10px}
footer{background:#071127;color:#c3cada;padding:50px 0 20px}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}
.foot img{width:145px;background:#fff;padding:5px;border-radius:6px}
.foot a{display:block;margin:7px 0}
.copyright{border-top:1px solid #263149;margin-top:30px;padding-top:16px;font-size:12px}
.adminbar{background:var(--navy);color:#fff;padding:15px 4%;display:flex;justify-content:space-between}
.adminbar nav{display:flex;gap:18px}
.admin-grid{display:grid;grid-template-columns:390px 1fr;gap:30px}
.table{border:1px solid var(--line);border-radius:10px}
.table>div{display:flex;justify-content:space-between;gap:15px;padding:13px;border-bottom:1px solid var(--line)}
.table small{display:block;color:var(--muted)}
.stats{display:flex;gap:15px}
.stats>div{border:1px solid var(--line);padding:25px;border-radius:12px;min-width:170px}
.stats b{font-size:35px;display:block;color:var(--blue)}

@media(max-width:900px){
.menu-btn{display:block}
.nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;align-items:stretch}
.nav.open{display:flex}
.hero-grid,.detail,.cart-layout,.admin-grid{grid-template-columns:1fr}
.products{grid-template-columns:1fr 1fr}
.shop-layout{grid-template-columns:1fr}
.shop-layout aside{border:0;border-bottom:1px solid var(--line);padding-bottom:20px}
.cards{grid-template-columns:1fr 1fr}
}

@media(max-width:600px){
.container{width:calc(100% - 28px)}
.brand img{width:115px}
.nav-wrap{height:64px}
.nav{top:64px}
.hero-grid{grid-template-columns:1fr;padding:50px 0;min-height:auto}
.products,.cards,.foot{grid-template-columns:1fr}
.search,.actions{flex-direction:column}
.cartrow{grid-template-columns:1fr 65px}
.adminbar{flex-direction:column;gap:12px}
.adminbar nav{flex-wrap:wrap}
}