/* Техрезервуар — демо-сайт, концепт по ТЗ от 06.10.2026 и визуалу-референсу клиента */
@import url('../fonts/fonts.css');

:root{
  --navy:#3e4e62;          /* тёмная панель меню (референс) */
  --navy-d:#2f3c4d;
  --blue:#118acb;          /* ярко-голубой акцент (референс) */
  --blue-d:#0d6fa5;
  --blue-l:#e8f4fb;
  --red:#b03434;           /* бордовый акцент ТЗ: кнопки КП */
  --red-d:#93292b;
  --ink:#1c2b3a;
  --gray:#5c6b7a;
  --line:#e2e8ee;
  --bg:#f5f7fa;
  --white:#fff;
  --radius:4px;
  --shadow:0 2px 10px rgba(28,43,58,.08);
  --font:'Montserrat',Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:15px;line-height:1.55}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-d)}
button{font-family:var(--font);cursor:pointer}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.demo-bar{background:#fff3cd;color:#6b5518;font-size:12px;text-align:center;padding:6px 12px;border-bottom:1px solid #f0dFA8}
.demo-bar b{font-weight:700}

/* ---------- шапка ---------- */
.topbar{background:var(--white);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:24px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink)}
.logo svg{width:40px;height:40px;flex:none}
.logo .lt{font-size:22px;font-weight:800;letter-spacing:.5px;line-height:1.1}
.logo .lt span{color:var(--blue)}
.logo .tag{font-size:11px;color:var(--gray);line-height:1.3;max-width:150px;border-left:1px solid var(--line);padding-left:10px;margin-left:4px}
.top-contacts{margin-left:auto;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.phone-box{display:flex;align-items:center;gap:10px}
.phone-box .ic{width:38px;height:38px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;flex:none}
.phone-box .ic svg{width:18px;height:18px;fill:#fff}
.phone-box a.tel{font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap}
.phone-box .mail{font-size:12px;color:var(--gray);display:block}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius);font-weight:700;font-size:13px;letter-spacing:.4px;text-transform:uppercase;padding:11px 20px;border:2px solid transparent;transition:.15s}
.btn-outline{border-color:var(--blue);color:var(--blue);background:transparent}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-d);color:#fff}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-d);color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-sm{padding:8px 14px;font-size:12px}
.cart-btn{position:relative;background:transparent;border:none;display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:700;font-size:13px}
.cart-btn svg{width:24px;height:24px;fill:var(--navy)}
.cart-btn .cnt{position:absolute;top:-6px;left:14px;background:var(--red);color:#fff;font-size:10px;font-weight:800;border-radius:10px;min-width:17px;height:17px;display:flex;align-items:center;justify-content:center;padding:0 4px}

/* ---------- меню ---------- */
.nav{background:var(--navy);position:relative;z-index:60}
.nav .wrap{display:flex;align-items:stretch;gap:0}
.nav .links{display:contents}
.nav a.nl{color:#fff;text-transform:uppercase;font-size:12.5px;font-weight:700;letter-spacing:.6px;padding:15px 22px;display:flex;align-items:center;gap:6px;white-space:nowrap}
.nav a.nl:hover,.nav a.nl.active{background:var(--blue);color:#fff}
.nav a.nl .arr{font-size:9px;opacity:.8}
.nav .has-sub{position:relative}
.nav .sub{display:none;position:absolute;top:100%;left:0;background:#fff;min-width:290px;box-shadow:var(--shadow);border-top:2px solid var(--blue);padding:6px 0}
.nav .has-sub:hover .sub{display:block}
.nav .sub a{display:block;padding:9px 18px;color:var(--ink);font-size:13px;font-weight:500}
.nav .sub a:hover{background:var(--blue-l);color:var(--blue-d)}
.nav .search-toggle{margin-left:auto;background:transparent;border:none;color:#fff;padding:0 18px;display:flex;align-items:center}
.nav .search-toggle svg{width:17px;height:17px;fill:#fff}
.nav .search-toggle:hover{background:var(--blue)}
.burger{display:none;background:transparent;border:none;padding:12px 16px;margin-left:auto}
.burger span{display:block;width:22px;height:2px;background:#fff;margin:5px 0}

/* поиск-оверлей */
.search-panel{display:none;background:#fff;border-bottom:1px solid var(--line);padding:14px 0;position:relative;z-index:55}
.search-panel.open{display:block}
.search-row{display:flex;gap:10px;max-width:640px}
.search-row input{flex:1;border:2px solid var(--line);border-radius:var(--radius);padding:11px 14px;font-size:14px;font-family:var(--font);outline:none}
.search-row input:focus{border-color:var(--blue)}
.suggest{position:absolute;left:0;right:0;top:100%;background:#fff;border:1px solid var(--line);border-top:none;box-shadow:var(--shadow);max-height:340px;overflow:auto;z-index:70}
.suggest a{display:flex;gap:12px;align-items:center;padding:9px 14px;border-bottom:1px solid #f0f3f6;color:var(--ink)}
.suggest a:hover{background:var(--blue-l)}
.suggest img{width:44px;height:44px;object-fit:contain;background:#f7f9fb;border:1px solid var(--line);flex:none}
.suggest .st{font-size:13px;font-weight:600;line-height:1.35}
.suggest .sp{margin-left:auto;font-weight:800;font-size:13px;color:var(--navy);white-space:nowrap}
.suggest .none{padding:12px 14px;color:var(--gray);font-size:13px}

/* ---------- хлебные крошки ---------- */
.crumbs{background:#eef1f5;border-bottom:1px solid var(--line);font-size:12px;color:var(--gray)}
.crumbs .wrap{padding:9px 20px;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a{color:var(--gray)}
.crumbs a:hover{color:var(--blue)}
.crumbs .sep{opacity:.6}

/* ---------- hero-слайдер ---------- */
.hero{position:relative;background:var(--navy-d);overflow:hidden}
.hero .slide{position:absolute;inset:0;opacity:0;transition:opacity .8s;background-size:cover;background-position:center}
.hero .slide.on{opacity:1}
.hero .slide::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,32,46,.88) 0%,rgba(20,32,46,.62) 55%,rgba(20,32,46,.25) 100%)}
.hero .inner{position:relative;z-index:2;color:#fff;padding:74px 0 84px;max-width:660px}
.hero .kick{display:inline-block;background:var(--red);color:#fff;font-size:11px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;padding:6px 12px;border-radius:3px;margin-bottom:18px}
.hero h1{font-size:38px;line-height:1.2;font-weight:800;margin-bottom:16px}
.hero p{font-size:16px;color:#dbe6f0;margin-bottom:28px;max-width:560px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .dots{position:absolute;bottom:22px;left:0;right:0;z-index:3;display:flex;gap:8px;justify-content:center}
.hero .dots button{width:11px;height:11px;border-radius:50%;border:none;background:rgba(255,255,255,.45)}
.hero .dots button.on{background:var(--blue)}
.hero .arw{position:absolute;top:50%;transform:translateY(-50%);z-index:3;background:rgba(255,255,255,.14);border:none;color:#fff;font-size:22px;width:44px;height:44px;border-radius:50%}
.hero .arw:hover{background:var(--blue)}
.hero .arw.l{left:14px}.hero .arw.r{right:14px}

/* ---------- секции ---------- */
section.block{padding:52px 0}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:27px;font-weight:800;letter-spacing:.2px}
.sec-head .sub{color:var(--gray);font-size:14px;margin-top:6px;max-width:640px}
.sec-head .line{width:56px;height:4px;background:var(--red);margin-top:12px;border-radius:2px}

/* категории */
.cat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.15s;box-shadow:var(--shadow)}
.cat-card:hover{transform:translateY(-3px);border-color:var(--blue)}
.cat-card .ph{height:170px;background:#f2f6f9;display:flex;align-items:center;justify-content:center;padding:14px}
.cat-card .ph img{max-height:100%;object-fit:contain}
.cat-card .tx{padding:16px 16px 18px;border-top:1px solid var(--line)}
.cat-card h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px;line-height:1.35}
.cat-card p{font-size:12.5px;color:var(--gray)}
.cat-card .go{margin-top:10px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}

/* товарные карточки */
.prod-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.prod-grid.cols4{grid-template-columns:repeat(4,minmax(0,1fr))}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;transition:.15s;box-shadow:var(--shadow)}
.p-card:hover{border-color:var(--blue);transform:translateY(-2px)}
.p-card .ph{height:190px;display:flex;align-items:center;justify-content:center;background:#f7fafc;border:1px solid #eef2f6;margin-bottom:12px}
.p-card .ph img{max-height:100%;object-fit:contain}
.p-card h3{font-size:13.5px;font-weight:600;line-height:1.4;margin-bottom:8px;min-height:38px}
.p-card h3 a{color:var(--blue)}
.p-card h3 a:hover{color:var(--blue-d)}
.badge{display:inline-block;background:var(--blue);color:#fff;font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:3px;margin-bottom:8px;align-self:flex-start}
.badge.gray{background:#8a97a5}
.p-card .price{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:12px}
.p-card .price small{font-size:12px;font-weight:600;color:var(--gray)}
.p-card .row{margin-top:auto;display:flex;gap:8px;align-items:stretch}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:var(--radius)}
.qty button{width:28px;border:none;background:#f2f5f8;font-size:15px;color:var(--navy);height:100%}
.qty button:hover{background:var(--blue-l)}
.qty input{width:34px;border:none;text-align:center;font-size:13px;font-family:var(--font);font-weight:700;background:#fff}
.p-card .row .btn{flex:1}

/* преимущества */
.adv-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.adv{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.adv .n{font-size:26px;font-weight:800;color:var(--blue);margin-bottom:6px}
.adv h3{font-size:15px;font-weight:700;margin-bottom:8px}
.adv p{font-size:13px;color:var(--gray)}

/* цифры */
.stats{background:var(--navy);color:#fff;padding:40px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;text-align:center}
.stats .v{font-size:34px;font-weight:800;color:#7fd0f7}
.stats .l{font-size:13px;color:#c6d4e2;margin-top:4px}

/* о компании мини */
.about-split{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.about-split .imgs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.about-split .imgs img{border-radius:var(--radius);height:190px;object-fit:cover;width:100%}
.about-split p{color:var(--gray);font-size:14px;margin-bottom:12px}
.about-split ul{list-style:none;margin:14px 0 20px}
.about-split li{padding:7px 0 7px 26px;position:relative;font-size:14px}
.about-split li::before{content:'✓';position:absolute;left:0;color:var(--red);font-weight:800}

/* статьи */
.art-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.a-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.a-card .ph{height:150px;background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 100%);display:flex;align-items:center;justify-content:center;color:#fff}
.a-card .ph svg{width:52px;height:52px;fill:rgba(255,255,255,.85)}
.a-card .tx{padding:18px}
.a-card h3{font-size:15px;font-weight:700;line-height:1.4;margin-bottom:8px}
.a-card h3 a{color:var(--ink)}
.a-card h3 a:hover{color:var(--blue)}
.a-card p{font-size:13px;color:var(--gray);margin-bottom:12px}
.a-card .more{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-top:auto}

/* CTA-полоса */
.cta-band{background:linear-gradient(90deg,var(--navy) 0%,var(--blue-d) 100%);color:#fff;padding:40px 0}
.cta-band .wrap{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.cta-band h2{font-size:24px;font-weight:800;flex:1;min-width:260px}
.cta-band p{color:#cfe3f2;font-size:14px;margin-top:6px}

/* ---------- каталог ---------- */
.cat-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;padding:30px 0 56px}
.toolbar{display:flex;align-items:center;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.toolbar select{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:9px 12px;font-family:var(--font);font-size:13px;color:var(--ink);outline:none}
.toolbar .views{margin-left:auto;display:flex;gap:6px}
.toolbar .views button{width:34px;height:34px;border:1px solid var(--line);background:#fff;border-radius:3px;color:var(--gray);font-size:14px}
.toolbar .views button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.toolbar .found{font-size:13px;color:var(--gray)}
aside.tree{align-self:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;position:sticky;top:16px}
aside.tree .th{background:var(--blue);color:#fff;font-weight:700;font-size:14px;padding:14px 16px;line-height:1.4}
aside.tree a.tc{display:block;padding:11px 16px;border-bottom:1px solid #eef2f6;font-size:13px;font-weight:600;color:var(--ink)}
aside.tree a.tc:hover{background:var(--blue-l);color:var(--blue-d)}
aside.tree a.tc.on{background:var(--navy);color:#fff}
aside.tree .ti{display:block;padding:8px 16px 8px 26px;font-size:12.5px;color:var(--gray);border-bottom:1px solid #f2f5f8;line-height:1.4}
aside.tree .ti:hover{color:var(--blue);background:#fafcfe}
/* список-вид */
.prod-list .p-card{flex-direction:row;gap:20px;align-items:center}
.prod-list .p-card .ph{width:220px;height:170px;margin:0;flex:none}
.prod-list .p-card .body{flex:1;display:flex;flex-direction:column}
.prod-list .p-card h3{min-height:0;font-size:16px}
.prod-list .p-card .desc{font-size:13px;color:var(--gray);margin:6px 0 12px}
.prod-list .p-card .row{margin-top:0}

/* ---------- карточка товара ---------- */
.pd-layout{display:grid;grid-template-columns:minmax(0,460px) minmax(0,1fr);gap:34px;padding:30px 0 40px}
.pd-gallery .main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);height:380px;display:flex;align-items:center;justify-content:center;padding:20px}
.pd-gallery .main img{max-height:100%;object-fit:contain}
.pd-gallery .note{font-size:12px;color:var(--gray);margin-top:10px;text-align:center}
.pd-info h1{font-size:26px;font-weight:800;line-height:1.3;margin-bottom:10px}
.pd-info .desc{color:var(--gray);font-size:14px;margin:12px 0 18px}
.pd-price{font-size:30px;font-weight:800;margin-bottom:4px}
.pd-price small{font-size:13px;color:var(--gray);font-weight:600}
.pd-note{font-size:12px;color:var(--gray);margin-bottom:18px}
.pd-buy{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:24px}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:13.5px}
.spec-table caption{text-align:left;font-weight:800;font-size:16px;padding-bottom:10px}
.spec-table td{border:1px solid var(--line);padding:9px 12px}
.spec-table td:first-child{background:#f4f7fa;color:var(--gray);width:45%}
.pd-tabs{margin:8px 0 40px}
.pd-tabs .th{display:flex;gap:0;border-bottom:2px solid var(--line)}
.pd-tabs .th button{background:transparent;border:none;padding:12px 22px;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.4px;color:var(--gray);border-bottom:3px solid transparent;margin-bottom:-2px}
.pd-tabs .th button.on{color:var(--blue);border-color:var(--blue)}
.pd-tabs .tb{background:#fff;border:1px solid var(--line);border-top:none;padding:22px;font-size:14px;color:var(--gray)}
.pd-tabs .tb h4{color:var(--ink);margin:12px 0 6px;font-size:14px}
.pd-tabs .tb ul{margin-left:18px}

/* ---------- статические страницы ---------- */
.page-body{padding:34px 0 56px}
.page-body h1{font-size:30px;font-weight:800;margin-bottom:18px}
.page-body h2{font-size:20px;font-weight:800;margin:26px 0 10px}
.page-body p{color:var(--gray);margin-bottom:12px;max-width:860px}
.page-body ul{margin:0 0 14px 20px;color:var(--gray)}
.page-body li{margin-bottom:6px}
.doc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:20px 0}
.doc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.doc-card h3{font-size:16px;font-weight:700;margin-bottom:10px;display:flex;gap:10px;align-items:center}
.doc-card h3 .ic{width:34px;height:34px;border-radius:50%;background:var(--blue-l);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:800;flex:none}
.doc-card p,.doc-card li{font-size:13.5px}
.photo-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:22px 0}
.photo-strip img{height:180px;width:100%;object-fit:cover;border-radius:var(--radius)}
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.contact-card .row{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid #eef2f6;font-size:14px}
.contact-card .row:last-child{border:none}
.contact-card .row .ic{width:34px;height:34px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;flex:none}
.contact-card .row .ic svg{width:16px;height:16px;fill:#fff}
.contact-card .row b{display:block;font-size:12px;color:var(--gray);text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}
.map-ph{height:300px;background:#dfe7ee url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40"><rect width="40" height="40" fill="%23dfe7ee"/><path d="M0 39h40M39 0v40" stroke="%23cdd8e2"/></svg>');display:flex;align-items:center;justify-content:center;color:var(--gray);font-size:13px;border:1px solid var(--line);border-radius:var(--radius);margin-top:22px;text-align:center;padding:10px}

/* ---------- формы ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:12px;font-weight:700;color:var(--navy);margin-bottom:5px;text-transform:uppercase;letter-spacing:.4px}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:var(--radius);padding:11px 12px;font-family:var(--font);font-size:14px;outline:none;background:#fff}
.field input:focus,.field textarea:focus{border-color:var(--blue)}
.field .err{color:var(--red);font-size:11.5px;margin-top:4px;display:none}
.field.bad input,.field.bad textarea{border-color:var(--red)}
.field.bad .err{display:block}
.consent{font-size:12px;color:var(--gray);display:flex;gap:8px;align-items:flex-start;margin-top:4px}
.consent input{width:16px;height:16px;margin-top:2px;flex:none}
.file-drop{border:2px dashed var(--line);border-radius:var(--radius);padding:18px;text-align:center;color:var(--gray);font-size:13px;background:#fafcfe;cursor:pointer}
.file-drop:hover{border-color:var(--blue);color:var(--blue)}
.file-list{font-size:12.5px;color:var(--gray);margin-top:8px}

/* модалки */
.modal{display:none;position:fixed;inset:0;background:rgba(20,30,42,.55);z-index:200;align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto}
.modal.open{display:flex}
.modal .box{background:#fff;border-radius:6px;max-width:520px;width:100%;padding:28px;position:relative;box-shadow:0 10px 40px rgba(0,0,0,.25)}
.modal .box h3{font-size:20px;font-weight:800;margin-bottom:6px}
.modal .box .sub{color:var(--gray);font-size:13px;margin-bottom:18px}
.modal .x{position:absolute;top:10px;right:12px;border:none;background:transparent;font-size:24px;color:var(--gray);line-height:1}
.modal .x:hover{color:var(--red)}
.modal .ok{text-align:center;padding:20px 0}
.modal .ok .ic{width:64px;height:64px;border-radius:50%;background:#e6f6ec;color:#2c8a4b;font-size:30px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}

/* ---------- корзина/КП ---------- */
.quote-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:13.5px;margin-bottom:22px}
.quote-table th{background:var(--navy);color:#fff;text-align:left;padding:10px 12px;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
.quote-table td{border-top:1px solid var(--line);padding:10px 12px;vertical-align:middle}
.quote-table td img{width:56px;height:56px;object-fit:contain;background:#f7fafc;border:1px solid var(--line)}
.quote-table .rm{border:none;background:transparent;color:var(--red);font-size:18px}
.quote-total{text-align:right;font-size:16px;font-weight:800;margin-bottom:24px}
.empty-cart{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px;text-align:center;color:var(--gray)}

/* ---------- подвал ---------- */
footer{background:var(--navy-d);color:#c6d4e2;margin-top:0}
footer .cols{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;gap:30px;padding:44px 0 30px}
footer h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.8px;margin-bottom:14px}
footer a{color:#c6d4e2;display:block;padding:4px 0;font-size:13px}
footer a:hover{color:#7fd0f7}
footer .flogo{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:12px}
footer .flogo .lt{font-size:19px;font-weight:800}
footer .flogo .lt span{color:#7fd0f7}
footer p{font-size:12.5px;line-height:1.6}
footer .bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:12px;display:flex;gap:16px;flex-wrap:wrap;justify-content:space-between}

/* ---------- адаптив ---------- */
@media (max-width:1100px){
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .prod-grid,.prod-grid.cols4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .adv-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-layout{grid-template-columns:minmax(0,1fr)}
  aside.tree{position:static}
  .stats .wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
  footer .cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .nav .wrap{flex-wrap:wrap}
  .burger{display:block}
  .nav .links{display:none;width:100%;flex-direction:column}
  .nav.open .links{display:flex}
  .nav a.nl{padding:13px 18px;border-top:1px solid rgba(255,255,255,.08)}
  .nav .sub{position:static;box-shadow:none;border:none;background:rgba(0,0,0,.15);display:none}
  .nav .has-sub.open .sub{display:block}
  .nav .search-toggle{margin-left:0}
  .pd-layout{grid-template-columns:minmax(0,1fr)}
  .about-split{grid-template-columns:minmax(0,1fr)}
  .contact-grid{grid-template-columns:minmax(0,1fr)}
  .doc-grid{grid-template-columns:minmax(0,1fr)}
  .photo-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero h1{font-size:28px}
}
@media (max-width:560px){
  .cat-grid,.prod-grid,.prod-grid.cols4,.adv-grid{grid-template-columns:minmax(0,1fr)}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .topbar .wrap{gap:12px}
  .top-contacts{margin-left:0;width:100%;justify-content:space-between}
  .hero .inner{padding:48px 0 64px}
  .hero h1{font-size:24px}
  .prod-list .p-card{flex-direction:column;align-items:stretch}
  .prod-list .p-card .ph{width:100%}
  footer .cols{grid-template-columns:minmax(0,1fr)}
  .stats .wrap{grid-template-columns:minmax(0,1fr)}
  .pd-tabs .th{flex-wrap:wrap}
  .pd-tabs .th button{padding:10px 12px;font-size:11.5px}
  .pd-buy .btn{flex:1}
}