/* ==========================================================================
   KoliverPin — общий стиль (Светлый профессиональный)
   Светлый фон + фирменный красный акцент. Шрифты: Oswald + Inter.
   ========================================================================== */

:root{
  --bg:#ffffff; --surface:#fafafb; --surface2:#f4f4f6;
  --line:#ececef; --line2:#e0e0e4;
  --red:#e1132a; --red-dark:#c20f23;
  --txt:#16181d; --mut:#5b5d66; --mut2:#9a9ba2;
  --ink:#16181d;       /* тёмная подложка (подвал/контраст) */
  --maxw:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:'Inter',system-ui,Arial,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6,.kh{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.5px;font-weight:600;line-height:1.1;color:var(--txt)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:2px;color:var(--red);font-weight:600;font-size:13px}

/* --- Кнопки --- */
.btn{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.5px;font-weight:600;font-size:14px;padding:14px 26px;display:inline-block;cursor:pointer;transition:.18s;border:1px solid transparent;border-radius:6px}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark)}
.btn-ghost{border-color:var(--line2);color:var(--txt);background:#fff}
.btn-ghost:hover{border-color:var(--red);color:var(--red)}

/* --- Верхняя строка --- */
.topbar{background:#f1f1f3;border-bottom:1px solid var(--line);font-size:12px;color:var(--mut)}
.topbar .wrap{display:flex;align-items:center;gap:24px;height:38px;flex-wrap:wrap}
.topbar .right{margin-left:auto;display:flex;gap:22px}

/* --- Шапка --- */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;height:70px}
.logo{font-family:'Oswald',sans-serif;font-weight:700;font-size:24px;letter-spacing:1px;color:var(--txt)}
.logo span{color:var(--red)}
nav.main{margin-left:40px;display:flex;gap:24px;font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:14px;font-weight:500;color:#44464d}
nav.main a:hover,nav.main a.active{color:var(--red)}
.phone{margin-left:auto;display:flex;align-items:center;gap:9px;font-weight:700;font-size:18px;white-space:nowrap;color:var(--txt)}
.phone .dot{color:var(--red);font-size:20px}

/* --- Секции --- */
.section{border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;margin-bottom:28px}
.head-row .eyebrow{font-size:15px}
.arrows{margin-left:auto;display:flex;gap:8px}
.arrows span{width:38px;height:38px;border:1px solid var(--line2);background:#fff;display:flex;align-items:center;justify-content:center;color:var(--mut);cursor:pointer;transition:.18s;font-size:18px;border-radius:6px}
.arrows span:hover{border-color:var(--red);color:var(--red)}

/* --- Hero --- */
.hero{padding:60px 0;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:54px;font-weight:700;margin:16px 0}
.hero h1 .r{color:var(--red)}
.hero p.lead{color:var(--mut);font-size:17px;max-width:440px;margin-bottom:28px}
.brands{display:flex;align-items:center;gap:10px;margin-top:30px;flex-wrap:wrap}
.brands .lbl{font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:11px;letter-spacing:1px;color:var(--mut2);font-weight:600}
.brand-chip{font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:13px;letter-spacing:.5px;color:#44464d;background:var(--surface2);padding:8px 16px;border-radius:5px;font-weight:600}
.hero-visual{background:var(--surface2);border-radius:12px;height:380px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-visual img{width:100%;height:100%;object-fit:cover}

/* --- Карточки товаров --- */
.products{padding:60px 0}
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;transition:.18s;display:flex;flex-direction:column;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(20,22,30,.10);border-color:var(--line2)}
.card .img{height:200px;background:var(--surface2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.card .img img{max-width:88%;max-height:88%;object-fit:contain}
.card .body{padding:18px;display:flex;flex-direction:column;flex:1}
.card .brand{font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:11px;letter-spacing:1px;color:var(--red);margin-bottom:5px;font-weight:600}
.card h3{font-size:17px;color:var(--txt);margin-bottom:10px}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.tag{font-size:11px;color:var(--mut);border:1px solid var(--line2);padding:3px 8px;border-radius:3px}
.card p{font-size:13px;color:var(--mut);line-height:1.5;flex:1}
.grits{display:flex;gap:5px;flex-wrap:wrap;margin-top:12px}
.grit{font-size:11px;color:#44464d;background:var(--surface2);padding:3px 9px;border-radius:3px}
.card .more{display:flex;align-items:center;gap:6px;color:var(--red);font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:12px;letter-spacing:1px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-weight:600}

/* --- Цифры --- */
.stats{background:var(--surface2);padding:50px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats .num{font-family:'Oswald',sans-serif;font-weight:700;font-size:56px;line-height:1;color:var(--txt)}
.stats .num span{color:var(--red)}
.stats .lbl{color:var(--mut);font-size:14px;margin-top:8px}

/* --- Преимущества --- */
.adv{padding:60px 0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.adv-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px;display:flex;gap:18px;transition:.18s}
.adv-item:hover{box-shadow:0 10px 24px rgba(20,22,30,.08)}
.adv-item .ic{font-size:28px;color:var(--red);flex-shrink:0;line-height:1}
.adv-item h3{font-size:18px;margin-bottom:6px}
.adv-item p{color:var(--mut);font-size:14px}

/* --- Отзывы --- */
.reviews{padding:60px 0;background:var(--surface);border-top:1px solid var(--line)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px}
.stars{color:var(--red);font-size:16px;letter-spacing:3px;margin-bottom:14px}
.review .quote{font-style:italic;color:#44464d;font-size:14px;line-height:1.6;margin-bottom:18px}
.who{display:flex;align-items:center;gap:11px}
.ava{width:38px;height:38px;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Oswald',sans-serif;font-weight:600;font-size:13px;border-radius:6px}
.who .nm{font-size:14px;font-weight:500;color:var(--txt)}
.who .ds{font-size:12px;color:var(--mut2)}

/* --- CTA --- */
.cta{background:var(--ink);padding:46px 0}
.cta .wrap{display:flex;align-items:center;gap:30px;flex-wrap:wrap}
.cta h2{font-size:30px;color:#fff}
.cta p{color:#b9bbc4;margin-top:8px}
.cta .btn{margin-left:auto;white-space:nowrap}

/* --- Контакты --- */
.contacts{padding:60px 0}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ct{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px}
.ct .ic{font-size:22px;color:var(--red)}
.ct .lbl{font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:12px;letter-spacing:1px;color:var(--mut2);margin:12px 0 6px}
.ct .val{font-size:14px;color:var(--txt);line-height:1.7}

/* --- Подвал (тёмный для контраста) --- */
footer.site{background:var(--ink);border-top:3px solid var(--red);padding:46px 0 24px}
footer.site .logo{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:30px}
.foot-grid .desc{color:#9a9ba2;font-size:13px;margin-top:12px;max-width:280px}
.foot-col h4{font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:12px;letter-spacing:1px;color:#787a82;margin-bottom:12px}
.foot-col a,.foot-col div{display:block;color:#c4c5cc;font-size:13px;line-height:2}
.foot-col a:hover{color:var(--red)}
.copy{border-top:1px solid rgba(255,255,255,.10);margin-top:30px;padding-top:18px;font-size:12px;color:#787a82;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* --- Категория / каталог --- */
.cat-hero{text-align:center;padding:48px 0 32px;border-bottom:1px solid var(--line);background:var(--surface)}
.cat-hero h1{font-size:42px;font-weight:700;margin:12px 0}
.cat-hero p{color:var(--mut);max-width:680px;margin:0 auto;font-size:15px}
.cat-meta{margin-top:18px;font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:13px;letter-spacing:1px;color:var(--mut2)}
.cat-meta b{color:var(--txt)}
.filter{display:flex;align-items:center;gap:8px;padding:22px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.filter .lbl{font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:12px;letter-spacing:1px;color:var(--mut2);margin-right:4px}
.chip{font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:12px;letter-spacing:.5px;padding:8px 16px;border:1px solid var(--line2);background:#fff;color:#44464d;cursor:pointer;transition:.15s;border-radius:5px}
.chip:hover{border-color:var(--red);color:var(--red)}
.chip.active{background:var(--red);border-color:var(--red);color:#fff}

/* --- Гамбургер --- */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;margin-left:12px;color:var(--txt);font-size:22px;line-height:1;flex-shrink:0}
.nav-toggle:hover{color:var(--red)}
.nav-close{display:none;position:absolute;top:18px;right:18px;background:none;border:none;cursor:pointer;font-size:24px;color:var(--txt);padding:8px;line-height:1}
.nav-close:hover{color:var(--red)}

/* --- Адаптив --- */
@media(max-width:1080px){
  .hero h1{font-size:42px}
  .grid-cards,.grid-4{grid-template-columns:repeat(2,1fr)}
  nav.main{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#fff;z-index:200;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:72px 28px 40px;gap:0;overflow-y:auto}
  nav.main.open{display:flex}
  nav.main a{font-size:20px;padding:16px 0;border-bottom:1px solid var(--line);width:100%;display:block;letter-spacing:.5px}
  .nav-toggle{display:flex;align-items:center}
  .nav-close{display:block}
}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}.hero-visual{height:300px}
  .grid-3,.stats .wrap{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .hero h1{font-size:34px}
  .grid-cards,.grid-2,.grid-3,.grid-4,.stats .wrap,.foot-grid{grid-template-columns:1fr}
  .cta .wrap{flex-direction:column;align-items:flex-start}.cta .btn{margin-left:0}
  .topbar{display:none}
}
@media(max-width:480px){
  .phone{font-size:0;gap:0}
  .phone i{font-size:20px}
}

/* --- Подбор абразива --- */
.selector{padding:50px 0;background:var(--surface);border-bottom:1px solid var(--line)}
.selector-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap}
.sel-field{display:flex;flex-direction:column;gap:6px;flex:1;min-width:170px}
.sel-field label{font-size:12px;color:var(--mut);font-weight:500}
.sel-field select{padding:12px;border:1px solid var(--line2);border-radius:6px;background:#fff;color:var(--txt);font-size:14px;font-family:inherit;cursor:pointer}
.sel-field select:focus{outline:none;border-color:var(--red)}
.sel-result{margin-top:18px;padding:16px 18px;border-left:3px solid var(--red);background:var(--surface2);border-radius:0 6px 6px 0;font-size:14px;color:var(--txt);line-height:1.6;display:none}
.sel-result.show{display:block}
.sel-result b{color:var(--red)}

/* --- Бренды --- */
.brands-sec{padding:60px 0}
.grid-brands{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.brand-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px;text-align:center;transition:.18s}
.brand-card:hover{box-shadow:0 10px 24px rgba(20,22,30,.08);border-color:var(--line2)}
.brand-card .bname{font-family:'Oswald',sans-serif;font-weight:700;font-size:22px;letter-spacing:1px;color:var(--txt)}
.brand-card p{font-size:13px;color:var(--mut);margin-top:8px;line-height:1.5}

/* --- Отрасли --- */
.industries{padding:60px 0;background:var(--surface);border-top:1px solid var(--line)}
.grid-ind{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:760px;margin:0 auto}
.ind{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px 12px;text-align:center;transition:.18s}
.ind:hover{box-shadow:0 8px 20px rgba(20,22,30,.07)}
.ind i{font-size:26px;color:var(--red)}
.ind div{font-size:12px;color:var(--txt);margin-top:10px;font-weight:500;line-height:1.3}

/* --- Плавающие кнопки связи --- */
.fab{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:60}
.fab a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;box-shadow:0 6px 18px rgba(0,0,0,.22);transition:.15s}
.fab a:hover{transform:scale(1.08)}
.fab .wa{background:#25d366}.fab .vb{background:#7360f2}.fab .tg{background:#2aabee}.fab .ph{background:var(--red)}

@media(max-width:1080px){.grid-brands{grid-template-columns:repeat(2,1fr)}.grid-ind{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.grid-brands{grid-template-columns:1fr}.grid-ind{grid-template-columns:repeat(2,1fr)}.fab a{width:46px;height:46px;font-size:21px}}

/* --- Статья / справочник --- */
.article{padding:50px 0}
.article .body{max-width:880px;margin:0 auto}
.article h2{font-size:24px;margin:34px 0 14px}
.article p{color:var(--mut);margin-bottom:14px;font-size:15px}
.note-tip{background:var(--surface2);border-left:3px solid var(--red);padding:14px 18px;border-radius:0 6px 6px 0;font-size:14px;color:var(--txt);margin:20px 0;line-height:1.6}
.note-tip b{color:var(--red)}
.table-wrap{overflow-x:auto;margin:20px 0}
table.ref{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
table.ref th{background:var(--surface2);text-align:left;padding:13px 16px;font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:12px;letter-spacing:.5px;color:var(--txt);border-bottom:1px solid var(--line);white-space:nowrap}
table.ref td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--mut);vertical-align:top}
table.ref tr:last-child td{border-bottom:none}
table.ref tr:hover td{background:var(--surface)}
table.ref td:first-child{color:var(--txt);font-weight:600;font-family:'Oswald',sans-serif;letter-spacing:.3px;white-space:nowrap}
.breadcrumbs{font-size:13px;color:var(--mut2);padding:18px 0}
.breadcrumbs a:hover{color:var(--red)}
.breadcrumbs span{color:var(--mut2)}

/* --- Страница товара --- */
.product{padding:36px 0 10px}
.product-top{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.gallery .main{background:var(--surface2);border-radius:12px;height:420px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.gallery .main img{max-width:82%;max-height:82%;object-fit:contain}
.gallery .thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.gallery .thumbs img{width:68px;height:68px;object-fit:contain;background:var(--surface2);border:1px solid var(--line);border-radius:8px;padding:6px;cursor:pointer;transition:.15s}
.gallery .thumbs img:hover,.gallery .thumbs img.active{border-color:var(--red)}
.pinfo .pbrand{font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:12px;letter-spacing:1px;color:var(--red);font-weight:600}
.pinfo h1{font-size:30px;margin:8px 0 4px}
.pinfo .art{font-size:13px;color:var(--mut2);margin-bottom:16px}
.ptags{display:flex;gap:6px;flex-wrap:wrap;margin:14px 0}
.ptags .tag{font-size:12px;color:var(--mut);border:1px solid var(--line2);padding:4px 10px;border-radius:4px}
.pkey{margin:18px 0;border-top:1px solid var(--line)}
.pkey .row{display:flex;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.pkey .row .k{color:var(--mut);min-width:180px}
.pkey .row .v{color:var(--txt);font-weight:500}
.pbuy{margin-top:22px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}
.pbuy .note{font-size:13px;color:var(--mut);margin-bottom:14px}
.pbuy .row2{display:flex;gap:10px;flex-wrap:wrap}
.pdesc{padding:24px 0 50px}
.pdesc .body{max-width:880px}
.pdesc h2{font-size:22px;margin:30px 0 12px}
.pdesc p{color:var(--mut);font-size:15px;margin-bottom:14px}
@media(max-width:900px){.product-top{grid-template-columns:1fr;gap:24px}.gallery .main{height:340px}}