:root{--ink:#111525;--muted:#5e687b;--line:#dbe2ec;--surface:rgba(255,255,255,.84);--blue:#155fc7;--cyan:#12a8d8;--red:#d71920;--red-dark:#a9090f;--shadow:0 20px 50px rgba(31,48,82,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f5f8fc;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.5}
body::before{position:fixed;inset:0;z-index:-1;background:linear-gradient(135deg,rgba(21,95,199,.08),transparent 32%),linear-gradient(315deg,rgba(18,168,216,.07),transparent 36%);content:""}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button,a{letter-spacing:0}
.skip-link{position:fixed;left:14px;top:-60px;z-index:99;background:#fff;padding:10px 14px;border:2px solid var(--blue)}
.skip-link:focus{top:14px}
.catalog-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px clamp(18px,4vw,64px);border-bottom:1px solid rgba(206,217,231,.9);background:rgba(255,255,255,.88);backdrop-filter:blur(20px) saturate(150%)}
.catalog-brand{display:block;width:220px;line-height:0}
.catalog-brand img{display:block;width:100%;height:58px;object-fit:contain;object-position:left center}
.catalog-header nav{display:flex;align-items:center;justify-content:flex-end;gap:8px;font-size:.9rem;font-weight:800}
.catalog-header nav>a:not(.red-order-button){padding:10px 11px;color:#445069}
.red-order-button,.outline-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:0;border-radius:7px;padding:0 17px;font-weight:900;cursor:pointer}
.red-order-button{background:var(--red);color:#fff;box-shadow:0 9px 22px rgba(215,25,32,.23)}
.red-order-button:hover{background:var(--red-dark);transform:translateY(-1px)}
.outline-button{border:1px solid #bdc8d9;background:rgba(255,255,255,.76);color:#202a3d}
.large{min-height:50px;padding:0 22px}
main{width:min(1440px,100%);margin:auto}
.catalog-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.86fr);gap:clamp(28px,5vw,72px);align-items:center;padding:clamp(54px,7vw,100px) clamp(20px,5vw,78px) 46px}
.eyebrow{display:block;margin-bottom:10px;color:#3157b7;font-size:.76rem;font-weight:950;text-transform:uppercase}
h1,h2,h3,p{margin-top:0}
.catalog-hero h1{max-width:820px;margin-bottom:20px;font-size:clamp(2.45rem,5vw,5.2rem);line-height:.98;letter-spacing:0}
.catalog-hero>div>p{max-width:720px;color:var(--muted);font-size:1.08rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.catalog-stats{display:flex;flex-wrap:wrap;gap:26px;margin:34px 0 0}
.catalog-stats div{min-width:105px}
.catalog-stats dt{font-size:1.45rem;font-weight:950;color:#184fb0}
.catalog-stats dd{margin:0;color:var(--muted);font-size:.82rem;font-weight:750}
.catalog-hero figure{margin:0;border:1px solid rgba(201,213,228,.9);border-radius:8px;overflow:hidden;background:rgba(255,255,255,.82);box-shadow:var(--shadow)}
.catalog-hero figure img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.catalog-hero figcaption{padding:11px 14px;color:#59657a;font-size:.78rem;font-weight:750}
.catalog-section{padding:54px clamp(20px,5vw,78px) 90px}
.catalog-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}
.catalog-title h2{margin-bottom:0;font-size:clamp(1.8rem,3vw,3rem)}
.catalog-title>strong{color:#34415a}
.catalog-tools{display:grid;grid-template-columns:2fr 1fr;gap:12px;position:sticky;top:83px;z-index:20;margin-bottom:24px;padding:12px;border:1px solid rgba(208,218,232,.94);border-radius:8px;background:rgba(255,255,255,.9);backdrop-filter:blur(16px)}
.catalog-tools label,.detail-order label{color:#4d596d;font-size:.78rem;font-weight:850}
.catalog-tools input,.catalog-tools select,.detail-order input{display:block;width:100%;height:46px;margin-top:5px;border:1px solid #cbd5e3;border-radius:6px;background:#fff;padding:0 13px;color:var(--ink);outline:none}
.catalog-tools input:focus,.catalog-tools select:focus,.detail-order input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,95,199,.12)}
.card-catalog-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.catalog-card{display:flex;min-width:0;flex-direction:column;overflow:hidden;border:1px solid #dbe2ec;border-radius:8px;background:var(--surface);box-shadow:0 8px 24px rgba(35,51,81,.07)}
.catalog-card:hover{border-color:#aebbd0;box-shadow:0 16px 34px rgba(35,51,81,.12);transform:translateY(-2px)}
.catalog-card-media{position:relative;display:block;overflow:hidden;background:#eef3f8;aspect-ratio:4/3}
.catalog-card-media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.catalog-card:hover .catalog-card-media img{transform:scale(1.025)}
.catalog-number{position:absolute;top:10px;left:10px;display:grid;min-width:32px;height:30px;place-items:center;border:1px solid rgba(255,255,255,.7);border-radius:6px;background:rgba(18,27,47,.78);color:#fff;font-size:.72rem;font-weight:900;backdrop-filter:blur(8px)}
.catalog-card-copy{display:flex;flex:1;flex-direction:column;padding:15px}
.catalog-card-copy>span{color:#3157b7;font-size:.69rem;font-weight:900;text-transform:uppercase}
.catalog-card h3{margin:6px 0 7px;font-size:1rem;line-height:1.25}
.catalog-card p{display:-webkit-box;overflow:hidden;margin-bottom:14px;color:var(--muted);font-size:.82rem;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.catalog-card-meta{display:flex;justify-content:space-between;gap:8px;margin-top:auto;padding-top:12px;border-top:1px solid #e3e8f0;color:#536078;font-size:.75rem}
.catalog-card-meta strong{display:block;color:var(--ink);font-size:.9rem}
.catalog-card .red-order-button{width:100%;margin-top:13px}
.empty-state{grid-column:1/-1;padding:44px;text-align:center;border:1px solid var(--line);background:#fff}
.card-detail-dialog{width:min(1180px,calc(100% - 28px));max-height:calc(100vh - 28px);margin:auto;border:1px solid #d2dce9;border-radius:8px;background:rgba(251,253,255,.98);padding:0;box-shadow:0 30px 90px rgba(20,31,52,.28)}
.card-detail-dialog::backdrop{background:rgba(16,24,39,.45);backdrop-filter:blur(7px)}
.dialog-close{position:absolute;top:12px;right:12px;z-index:4;display:grid;width:42px;height:42px;place-items:center;border:1px solid #cbd5e2;border-radius:50%;background:rgba(255,255,255,.92);font-size:1.55rem;cursor:pointer}
.detail-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr)}
.detail-gallery{padding:22px;background:#edf2f7}
.detail-main-image{position:relative;overflow:hidden;border:1px solid #d2dae6;border-radius:7px;background:#fff}
.detail-main-image img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.detail-main-image span{position:absolute;left:12px;bottom:12px;border-radius:5px;background:rgba(17,21,37,.78);padding:7px 10px;color:#fff;font-size:.72rem;font-weight:850}
.detail-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:10px}
.detail-thumb{overflow:hidden;border:2px solid transparent;border-radius:6px;background:#fff;padding:0;cursor:pointer}
.detail-thumb.active{border-color:var(--blue)}
.detail-thumb img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.detail-content{overflow:auto;max-height:calc(100vh - 30px);padding:clamp(32px,4vw,54px)}
.detail-content h2{margin-bottom:8px;font-size:clamp(1.8rem,3vw,3.1rem);line-height:1.02}
.detail-price{color:#253149;font-size:1.12rem;font-weight:850}
.detail-tabs{display:flex;gap:4px;margin-top:26px;border-bottom:1px solid #d8e0eb}
.detail-tabs button{border:0;border-bottom:3px solid transparent;background:transparent;padding:10px 9px;color:#5a667a;font-size:.78rem;font-weight:900;cursor:pointer}
.detail-tabs button.active{border-color:var(--red);color:var(--ink)}
.detail-panel{display:none;padding:18px 0}
.detail-panel.active{display:block}
.detail-panel ul{display:grid;gap:9px;margin:0;padding:0;list-style:none}
.detail-panel li{position:relative;padding-left:19px;color:#4e5b70}
.detail-panel li::before{position:absolute;left:0;top:.58em;width:7px;height:7px;border-radius:50%;background:var(--blue);content:""}
.spec-table{width:100%;border-collapse:collapse;font-size:.86rem}
.spec-table th,.spec-table td{padding:10px 0;border-bottom:1px solid #e1e7ef;text-align:left;vertical-align:top}
.spec-table th{width:34%;color:#647086;font-weight:750}
.spec-table td{color:#202a3c;font-weight:750}
.detail-order{display:grid;grid-template-columns:120px 1fr;gap:12px;align-items:end;margin-top:12px;padding-top:18px;border-top:1px solid #dce3ec}
.detail-order>div span{display:block;color:#657086;font-size:.72rem;font-weight:800}
.detail-order>div strong{font-size:1.3rem}
.detail-order .red-order-button{grid-column:1/-1;width:100%}
.detail-note{margin:10px 0 0;color:#6a7486;font-size:.73rem}
footer{display:grid;grid-template-columns:190px 1fr auto;gap:28px;align-items:center;padding:32px clamp(20px,5vw,78px);border-top:1px solid #d8e0eb;background:#fff}
footer img{width:180px;height:66px;object-fit:contain}
footer p{margin:4px 0 0;color:var(--muted);font-size:.83rem}
footer>div:last-child{display:grid;gap:5px;text-align:right;font-weight:800}
@media(max-width:1100px){.card-catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-header nav>a:not(.red-order-button){display:none}}
@media(max-width:800px){.catalog-header{padding:9px 14px}.catalog-brand{width:170px}.catalog-brand img{height:48px}.catalog-hero{grid-template-columns:1fr;padding-top:38px}.catalog-hero h1{font-size:clamp(2.35rem,12vw,4rem)}.catalog-hero figure{order:-1}.catalog-tools{top:68px;grid-template-columns:1fr}.card-catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-layout{grid-template-columns:1fr}.detail-gallery{padding:12px}.detail-content{max-height:none;padding:26px 18px}.card-detail-dialog{max-height:calc(100vh - 12px)}footer{grid-template-columns:1fr;text-align:left}footer>div:last-child{text-align:left}}
@media(max-width:520px){.catalog-header .red-order-button{min-height:40px;padding:0 12px;font-size:.78rem}.catalog-brand{width:145px}.catalog-hero{padding-inline:16px}.catalog-section{padding-inline:14px}.card-catalog-grid{grid-template-columns:1fr}.catalog-card{display:grid;grid-template-columns:42% 58%}.catalog-card-media{height:100%;aspect-ratio:auto}.catalog-card-copy{padding:12px}.catalog-card p{font-size:.77rem}.catalog-card-meta{display:none}.catalog-card .red-order-button{min-height:40px;font-size:.8rem}.catalog-title{align-items:start;flex-direction:column}.detail-thumbs{grid-template-columns:repeat(5,68px);overflow:auto}.detail-tabs{overflow:auto}.detail-order{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}