:root{--ink:#14202e;--text:#2a3644;--steel:#5f6d7c;--line:#e3e8ee;--bg:#f7f8fa;--card:#fff;--blue:#0b5cab;--blue-d:#084a8c;--blue-l:#e8f1fb;--acc:#e8641b;--acc-d:#c9520f;--acc-l:#fff1e8;--ok:#1f8a4c;--r:12px;--sh:0 1px 3px rgba(16,32,52,.06);--sh2:0 12px 32px rgba(16,32,52,.12)}
*{box-sizing:border-box}html{scroll-padding-top:100px}
body{margin:0;font:17px/1.6 Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}a:hover{color:var(--blue-d)}
img{max-width:100%}.wrap{max-width:1280px;margin:0 auto;padding:0 24px}
h1,h2,h3{color:var(--ink);letter-spacing:-.02em}h1{font-size:clamp(26px,3.2vw,40px);line-height:1.15;margin:8px 0 20px;font-weight:800}h2{font-size:clamp(21px,2.2vw,28px);margin:0;font-weight:800}h3{margin:0 0 12px}
.muted,.small{color:var(--steel)}.small{font-size:13px;margin:10px 0 0}
/* topbar + header */
.topbar{background:var(--blue);color:#d6e6f7;font-size:13px}.topbar .wrap{display:flex;gap:24px;padding:7px 24px}.topbar a{color:#fff;margin-left:auto}
.hdr{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(16,32,52,.04)}
.hdr .wrap{display:flex;align-items:center;gap:16px;padding:12px 24px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;line-height:1.1;color:var(--ink)}.logo small{display:block;font-weight:500;font-size:12px;color:var(--steel)}
.logo-mark{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,#0b5cab,#073e75);color:#fff;display:grid;place-items:center;font-size:21px;box-shadow:inset 0 -4px 0 var(--acc)}
.hdr nav{display:flex;gap:2px}.hdr nav a{padding:8px 11px;border-radius:8px;color:var(--text);font-weight:600;font-size:15px}.hdr nav a:hover{background:var(--blue-l);color:var(--blue)}
.tel{margin-left:auto;text-align:right;font-weight:800;font-size:16px;line-height:1.35}.tel a{display:block;color:var(--ink)}.tel a:hover{color:var(--blue)}
.cart-stub{position:relative;display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border:1.5px solid var(--line);border-radius:10px;color:var(--ink);font-weight:600;font-size:15px}.cart-stub:hover{border-color:var(--blue);color:var(--blue)}
.cart-n{position:absolute;top:-7px;right:-7px;min-width:20px;height:20px;border-radius:10px;background:var(--acc);color:#fff;font-size:11.5px;font-weight:700;display:grid;place-items:center;padding:0 5px}
.burger{display:none;font-size:22px;cursor:pointer;padding:5px 11px;border:1.5px solid var(--line);border-radius:8px}
/* buttons: оранжевый — только покупка */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:#fff;border:0;border-radius:10px;padding:11px 20px;font:700 15px/1.2 inherit;font-family:inherit;cursor:pointer;transition:background .15s,transform .1s,box-shadow .15s}
.btn:hover{background:var(--blue-d);color:#fff}.btn:active{transform:translateY(1px)}.btn-lg{padding:15px 28px;font-size:17px}.btn-block{width:100%}
.btn-lead,.btn-buy,.buybox .btn,form.lead .btn,.hero .btn:not(.btn-ghost){background:var(--acc);box-shadow:0 4px 14px rgba(232,100,27,.28)}
.btn-lead:hover,.btn-buy:hover,.buybox .btn:hover,form.lead .btn:hover,.hero .btn:not(.btn-ghost):hover,.card:hover .btn-buy{background:var(--acc-d)}
.btn-ghost{background:#fff;color:var(--blue);box-shadow:inset 0 0 0 1.5px #c4d6ea}.btn-ghost:hover{background:var(--blue-l);color:var(--blue-d)}
.btn-cat{background:var(--blue)}
main{padding:24px 0 72px;min-height:60vh}
.crumbs{font-size:13.5px;color:var(--steel);margin:4px 0 16px;display:flex;flex-wrap:wrap;gap:6px}.crumbs a{color:var(--steel)}.crumbs a:hover{color:var(--blue)}.crumbs span:last-child{color:var(--ink)}
/* hero — светлый */
.hero{display:grid;grid-template-columns:1.45fr 1fr;gap:36px;background:linear-gradient(120deg,#fff 0%,#fff 55%,#eaf2fb 100%);border:1px solid var(--line);border-radius:20px;padding:52px;margin:8px 0 44px;position:relative;overflow:hidden;box-shadow:var(--sh)}
.hero:before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:linear-gradient(var(--blue),var(--acc))}
.hero h1{font-size:clamp(30px,3.8vw,48px);margin:12px 0 16px}.hero p{color:var(--steel);font-size:18px;max-width:620px}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);background:var(--blue-l);padding:5px 10px;border-radius:6px;font-weight:700}
.hero-act{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-facts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px;align-content:center}
.hero-facts li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;font-size:14px;color:var(--steel);box-shadow:var(--sh)}.hero-facts b{display:block;color:var(--blue);font-size:20px;margin-bottom:2px}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;margin:44px 0 18px}.sec-h a{font-size:15px;font-weight:700}
main h2{margin:40px 0 18px}
/* categories */
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.cat{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.cat b{font-weight:700;font-size:15.5px;line-height:1.3;flex:1}.cat-ic{flex:none;width:40px;height:40px;border-radius:10px;background:var(--blue-l);color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:17px}
.cat .cnt{font-size:13px;color:var(--steel);white-space:nowrap;background:var(--bg);padding:2px 8px;border-radius:20px}.cat:hover{border-color:var(--blue);box-shadow:var(--sh2);color:var(--ink)}
.more{color:#a3b0bd;transition:color .15s,transform .15s}.cat:hover .more{color:var(--blue);transform:translateX(3px)}
.allsec{columns:3 260px;list-style:none;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 26px}.allsec li{break-inside:avoid;padding:4px 0;font-size:15px;color:var(--steel)}
/* product cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;color:var(--text);box-shadow:var(--sh);transition:box-shadow .18s,border-color .18s,transform .18s}
.card:hover{box-shadow:var(--sh2);border-color:#c9d6e4;transform:translateY(-3px);color:var(--text)}
.card-img{position:relative;aspect-ratio:1/1;background:#fff;display:grid;place-items:center;padding:16px}.card-img img{width:100%;height:100%;object-fit:contain}
.badge{position:absolute;left:10px;top:10px;font-size:11.5px;font-weight:700;padding:4px 9px;border-radius:6px;z-index:1}.badge-tier{background:var(--blue-l);color:var(--blue)}
.noimg{font-size:13px;color:#9aa6b3;background:repeating-linear-gradient(45deg,#f6f8fa 0 10px,#eef2f6 10px 20px);width:100%;height:100%;display:grid;place-items:center;border-radius:10px}
.card-body{padding:4px 16px 16px;display:flex;flex-direction:column;gap:10px;flex:1}.card-name{font-size:15px;line-height:1.4;font-weight:500;color:var(--ink);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 10px}
.btn-buy{padding:11px 14px;font-size:14.5px;box-shadow:none}
.price{font-weight:800;font-size:22px;color:var(--ink);font-variant-numeric:tabular-nums;white-space:nowrap}.price-req{font-size:15px;font-weight:700;color:var(--blue)}
.svc p{color:var(--steel);font-size:15px;margin:0}.svc b{font-size:18px}.card.svc{padding:4px}
/* product page */
.prod{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:36px;align-items:start}
.prod-img{background:#fff;border:1px solid var(--line);border-radius:18px;aspect-ratio:1/1;display:grid;place-items:center;padding:32px}.prod-img img{max-height:100%;object-fit:contain}
.prod-info h1{margin-top:0}.buybox{background:#fff;border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:16px;padding:24px;margin:18px 0;box-shadow:var(--sh2);position:sticky;top:96px}
.pl{font-size:13.5px;color:var(--steel);font-weight:600;text-transform:uppercase;letter-spacing:.04em}.price-lg{font-size:36px;margin:2px 0 16px}.price-req.price-lg{font-size:22px}.qty-slot:empty{display:none}.qty-slot{margin-bottom:14px}
.perks{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:15px;color:var(--steel)}.perks li:before{content:"✓";color:var(--ok);font-weight:800;margin-right:10px}
/* form + modal */
form.lead{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;max-width:500px;margin-top:20px}
form.lead label{display:block;font-size:14px;font-weight:700;color:var(--ink)}
form.lead input,form.lead textarea{width:100%;padding:13px 14px;margin:6px 0 14px;border:1.5px solid #d3dce6;border-radius:10px;font:inherit;font-weight:400;background:#fbfcfd}
form.lead input:focus,form.lead textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(11,92,171,.14);background:#fff}
.hp{position:absolute;left:-9999px}
#lead-modal{display:none;position:fixed;inset:0;background:rgba(14,28,44,.5);align-items:center;justify-content:center;z-index:50;padding:16px}#lead-modal:target,#lead-modal.open{display:flex}
.modal-box{position:relative;width:100%;max-width:460px}.modal-box form.lead{margin:0;box-shadow:0 24px 64px rgba(0,0,0,.25)}
.close{position:absolute;right:16px;top:12px;color:var(--steel);font-size:20px;z-index:1}
/* 404 */
.nf{text-align:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:64px 20px;max-width:680px;margin:20px auto}.nf-code{font-size:100px;font-weight:900;line-height:1;color:var(--blue)}.nf .btn{margin:4px}
/* footer */
footer{background:#0f2a47;color:#a9bdd3;padding:48px 0 0;font-size:14.5px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}.fgrid b{display:block;color:#fff;margin-bottom:10px}.fgrid a,.fgrid span{display:block;color:#cfdced;padding:3px 0}.fgrid a:hover{color:#ffb37f}
.flogo{color:#fff;font-weight:800;font-size:21px;margin-bottom:8px}.fcopy{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding:16px 24px;font-size:13px;color:#7f97b2}
/* responsive */
@media(max-width:1080px){.hdr nav{display:none;order:9;width:100%;flex-direction:column}#navt:checked~nav{display:flex}.burger{display:block}}
@media(max-width:860px){.hero{grid-template-columns:1fr;padding:32px 24px}.prod{grid-template-columns:1fr}.buybox{position:static}.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){body{font-size:16px}.wrap{padding:0 14px}.hdr .wrap{padding:10px 14px;gap:8px}.topbar{display:none}.tel{display:none}.cart-t{display:none}.cart-stub{margin-left:auto;padding:8px 10px}.btn-cat{padding:9px 12px}.logo small{display:none}.logo{font-size:18px}.btn-lead{padding:9px 12px}
.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.card-body{padding:4px 10px 10px}.price{font-size:17px}.card-name{font-size:13.5px}.btn-buy{font-size:13px;padding:10px 6px}.badge{font-size:10.5px}.cats{grid-template-columns:1fr}.fgrid{grid-template-columns:1fr}.hero{padding:26px 18px}.hero-facts{grid-template-columns:1fr 1fr}.price-lg{font-size:28px}}
/* ступени цен */
.qty-slot.qty-on{display:grid;gap:12px;margin:4px 0 14px}
.qty-now{display:flex;flex-direction:column}
.qty-in{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--steel)}
.qty-ctl{display:inline-flex;border:1px solid #d6d9de;border-radius:8px;overflow:hidden}
.qty-ctl input{width:84px;border:0;text-align:center;font:inherit;font-size:16px;padding:8px 4px;-moz-appearance:textfield}
.qty-ctl input::-webkit-inner-spin-button{-webkit-appearance:none}
.qbtn{border:0;background:var(--blue-l);width:38px;font-size:18px;cursor:pointer;color:var(--ink)}.qbtn:hover{background:var(--blue);color:#fff}
.qty-sum{font-size:15px;color:var(--steel)}.qty-sum b{font-size:20px;color:var(--ink)}
table.tiers{width:100%;border-collapse:collapse;font-size:14px;border:1px solid #e3e5e8;border-radius:10px;overflow:hidden}
table.tiers caption{text-align:left;font-weight:700;padding:0 0 6px;color:var(--ink)}
table.tiers th{background:var(--blue);color:#fff;font-weight:600;text-align:left;padding:8px 12px}
table.tiers td{padding:8px 12px;border-top:1px solid #eceef1;cursor:pointer}
table.tiers td:last-child,table.tiers th:last-child{text-align:right;white-space:nowrap}
table.tiers tr.on td{background:var(--acc-l);color:var(--acc);font-weight:700}
.tier-mini{display:block;font-size:12px;color:#888;width:100%}
.price small{font-size:.7em;font-weight:400;color:#777}
.card-foot{flex-wrap:wrap}.tier-mini{order:3}
/* ===== cart / checkout ===== */
.cart-link{margin-left:auto}.cart-n[hidden]{display:none}
.btn-lead2{margin-top:10px;background:#fff!important;color:var(--blue)!important;border:1.5px solid var(--blue);box-shadow:none!important}
.btn-lead2:hover{background:var(--blue-l)!important}
[data-add].added{background:var(--ok)!important}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,120px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:var(--r);box-shadow:var(--sh2);z-index:60;font-size:15px;transition:transform .25s;max-width:92vw}
.toast.show{transform:translate(-50%,0)}.toast a{color:#ffb98f;margin-left:8px;font-weight:600}
.cart-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh)}
.cart-row{display:grid;grid-template-columns:1fr 130px 140px 130px 36px;gap:14px;align-items:center;padding:14px 18px;border-top:1px solid var(--line)}
.cart-row:first-child{border-top:0}.cr-name{color:var(--ink);font-weight:600}.cr-price{color:var(--steel);font-size:15px}.cr-sum{text-align:right;color:var(--ink)}
.cr-del{border:0;background:none;color:var(--steel);font-size:18px;cursor:pointer;border-radius:8px;height:36px}.cr-del:hover{background:var(--acc-l);color:var(--acc)}
.cart-row .qty-ctl{display:inline-flex;border:1.5px solid var(--line);border-radius:10px;overflow:hidden}
.cart-row .qty-ctl input{width:60px;border:0;text-align:center;font:inherit}.cart-row .qbtn{border:0;background:var(--bg);width:34px;cursor:pointer;font-size:18px}
.cart-foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:18px}
.cart-total{display:flex;align-items:center;gap:16px;font-size:20px;color:var(--ink);flex-wrap:wrap}
.cart-empty{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:32px;text-align:center}
.co-grid{display:grid;grid-template-columns:1fr 380px;gap:28px;align-items:start}
.co-form{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh)}
.co-form fieldset{border:0;padding:0;margin:0 0 18px}.co-form legend{font-weight:800;color:var(--ink);margin-bottom:10px;font-size:18px}
.co-form label{display:block;margin-bottom:12px;font-size:14px;color:var(--steel)}
.co-form input:not([type=radio]),.co-form textarea{display:block;width:100%;margin-top:4px;padding:11px 12px;border:1.5px solid var(--line);border-radius:10px;font:inherit;color:var(--ink)}
.co-form input:focus,.co-form textarea:focus{outline:0;border-color:var(--blue)}
.co-form .radio{display:flex;gap:10px;align-items:center;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;color:var(--ink);cursor:pointer}
.co-form .radio:has(input:checked){border-color:var(--blue);background:var(--blue-l)}
.co-form .btn-order{background:var(--acc)}.co-form .btn-order:hover{background:var(--acc-d)}.co-form .btn-order:disabled{opacity:.6}
.co-err{color:#c0262d;font-weight:600}
.co-sum{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;position:sticky;top:110px;box-shadow:var(--sh)}
.co-sum ul{list-style:none;padding:0;margin:0}.co-sum li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.co-total{font-size:20px;margin-top:12px;color:var(--ink)}.order-no{font-size:20px}
@media(max-width:860px){.co-grid{grid-template-columns:1fr}.co-sum{position:static}
.cart-row{grid-template-columns:1fr auto;gap:8px}.cr-name{grid-column:1/-1}.cr-del{grid-column:2;grid-row:1}.cr-sum{text-align:left}}