*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",Arial,sans-serif;background:#f5f5f7;color:#2f2f2f;min-height:100vh}
a{color:inherit}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
header{position:sticky;top:0;z-index:1000;background:#1a1a1a;border-bottom:4px solid #d32f2f;color:#fff;padding:13px 5vw;display:flex;justify-content:space-between;align-items:center;gap:20px}
.logo-area{display:flex;align-items:center;gap:14px;text-decoration:none}.logo-img{height:44px;width:auto;object-fit:contain}.logo-text h1{font-size:21px;letter-spacing:1px}.logo-text p{font-size:10px;color:#aaa;text-transform:uppercase;letter-spacing:.5px}
nav{display:flex;gap:24px;flex-wrap:wrap}nav a{text-decoration:none;color:#fff;font-size:15px;font-weight:600}nav a:hover,nav a.active{color:#d32f2f}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:5px;padding:13px 22px;background:#d32f2f;color:#fff;font-weight:700;text-decoration:none;transition:.2s}.btn:hover{background:#b71c1c;transform:translateY(-1px)}.btn.secondary{background:#eee;color:#333}.btn.secondary:hover{background:#ddd}.btn.danger{background:#8f1515}.btn.small{padding:9px 14px;font-size:13px}
.container{max-width:1440px;margin:0 auto;padding:0 32px}
.hero{min-height:72vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;background:linear-gradient(rgba(0,0,0,.67),rgba(0,0,0,.67)),url("image/im.png") center/cover no-repeat}.hero-content{max-width:850px;padding:40px 20px}.hero h1{font-size:clamp(44px,7vw,68px);margin-bottom:18px}.hero p{font-size:clamp(19px,3vw,26px);color:#e5e5e5;margin-bottom:32px;line-height:1.45}
section{padding:70px 0}section:nth-of-type(even){background:#fff}.section-title{font-size:32px;margin-bottom:28px;padding-left:15px;border-left:5px solid #d32f2f}
.section-text{max-width:1000px;font-size:17px;line-height:1.75;color:#555;margin-bottom:18px}
.services-grid,.contacts-grid,.products-grid,.stats-grid{display:grid;gap:22px}.services-grid{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}.contacts-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card,.contact-item,.product-card,.panel{background:#fff;border:1px solid #e0e0e0;border-radius:9px;box-shadow:0 5px 18px rgba(0,0,0,.045)}
.card{padding:26px;display:flex;flex-direction:column;justify-content:space-between;min-height:220px}.card h3{font-size:20px;margin-bottom:12px}.card p{line-height:1.6;color:#666;margin-bottom:22px}.contact-item{padding:24px}.contact-item h3{color:#d32f2f;margin-bottom:8px}
.catalog-layout{display:grid;grid-template-columns:270px 1fr;gap:28px;padding:40px 0}.sidebar{padding:22px;align-self:start;position:sticky;top:105px}.sidebar h3{margin-bottom:15px}.category-list{display:flex;flex-direction:column;gap:9px}.category-btn{border:0;background:#f6f6f6;border-radius:6px;padding:11px 14px;text-align:left}.category-btn.active{background:#d32f2f;color:#fff}
.catalog-head{display:flex;justify-content:space-between;gap:15px;align-items:center;flex-wrap:wrap;margin-bottom:20px}.search{max-width:380px;width:100%;padding:12px 14px;border:1px solid #ccc;border-radius:6px;background:#fff}
.products-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.product-card{padding:18px;display:flex;flex-direction:column}.product-img{height:200px;background:#eee;border-radius:7px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;overflow:hidden}.product-img img{max-width:90%;max-height:90%;object-fit:contain}.product-card h3{font-size:18px;line-height:1.4;margin:6px 0 10px}.product-card p{font-size:14px;line-height:1.55;color:#666;margin-bottom:17px}.status{font-size:11px;font-weight:800;color:#d32f2f;text-transform:uppercase;letter-spacing:.5px}.card-actions{display:flex;gap:8px;margin-top:auto}.card-actions>*{flex:1}
.product-page{padding:55px 0}.product-detail{display:grid;grid-template-columns:minmax(300px,1fr) minmax(320px,1.15fr);gap:40px}.product-gallery{background:#fff;border:1px solid #e0e0e0;border-radius:10px;padding:24px;min-height:430px;display:flex;align-items:center;justify-content:center}.product-gallery img{max-width:100%;max-height:520px;object-fit:contain}.product-info h1{font-size:38px;line-height:1.18;margin:10px 0 18px}.product-info .lead{font-size:18px;color:#555;line-height:1.7;margin-bottom:22px}.specs-table{width:100%;border-collapse:collapse;margin:22px 0;background:#fff;border-radius:8px;overflow:hidden}.specs-table td{padding:11px 13px;border-bottom:1px solid #eee;font-size:14px}.specs-table td:first-child{font-weight:700;width:42%}.docs{margin:20px 0}.docs a{display:block;color:#d32f2f;text-decoration:none;font-weight:600;margin:8px 0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-group{margin-bottom:14px}.form-group.full{grid-column:1/-1}.form-group label{display:block;margin-bottom:6px;font-size:13px;font-weight:700}.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 13px;border:1px solid #ccc;border-radius:6px;background:#fff;outline:none}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:#d32f2f}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:2000;padding:20px}.modal.active{display:flex}.modal-window{background:#fff;max-width:650px;width:100%;max-height:90vh;overflow:auto;border-top:6px solid #d32f2f;border-radius:9px;padding:28px;position:relative}.modal-close{position:absolute;right:15px;top:8px;border:0;background:none;font-size:32px;color:#999}.notice{padding:14px;border-radius:6px;background:#f3f3f3;margin:12px 0;color:#555}.toast{position:fixed;right:22px;bottom:22px;z-index:3000;background:#222;color:#fff;padding:14px 18px;border-radius:7px;display:none}.toast.show{display:block}
footer{background:#1a1a1a;color:#aaa;text-align:center;padding:26px 15px;margin-top:auto;font-size:13px}
.admin-shell{min-height:100vh;background:#f5f5f7}.admin-wrap{max-width:1500px;margin:0 auto;padding:30px}.admin-top{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:24px}.stats-grid{grid-template-columns:repeat(4,1fr);margin-bottom:24px}.stat{padding:20px}.stat .label{font-size:13px;color:#777}.stat strong{display:block;font-size:30px;margin-top:7px}.admin-grid{display:grid;grid-template-columns:1.05fr 1.4fr;gap:22px}.panel{padding:22px}.panel h2{margin-bottom:18px}.table-wrap{overflow:auto}table.data{width:100%;border-collapse:collapse}table.data th,table.data td{padding:11px 8px;border-bottom:1px solid #eee;text-align:left;font-size:13px;vertical-align:top}table.data th{background:#fafafa}.status-select{min-width:120px}.admin-product-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.admin-product-form .full{grid-column:1/-1}.admin-actions{display:flex;gap:8px;flex-wrap:wrap}
.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#151515,#333)}.login-box{width:min(420px,calc(100% - 30px));background:#fff;padding:30px;border-radius:10px}.login-box h1{margin-bottom:6px}.login-box p{color:#777;margin-bottom:22px}.login-box input{width:100%;padding:12px;border:1px solid #ccc;border-radius:6px;margin:8px 0 15px}
.empty{padding:40px;text-align:center;color:#777;background:#fff;border:1px dashed #ccc;border-radius:8px;grid-column:1/-1}
@media(max-width:900px){.catalog-layout,.product-detail,.admin-grid{grid-template-columns:1fr}.sidebar{position:static}.stats-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){header{padding:12px 16px;align-items:flex-start}.logo-img{height:36px}nav{gap:12px}.container{padding:0 16px}.form-grid,.admin-product-form{grid-template-columns:1fr}.hero{min-height:65vh}.product-info h1{font-size:29px}.admin-wrap{padding:16px}}