/* ============================================================
   pvc-membrana.ru — дизайн-система
   Палитра: графит / бумага / бордо (из темы прежнего сайта)
   ============================================================ */

:root{
  --ink:#1A2230;
  --ink-2:#242E3E;
  --ink-3:#33404F;
  --paper:#F5F4EF;
  --paper-2:#ECE9E2;
  --tint:#E2DFD5;
  --line:#D6D3C9;
  --line-soft:rgba(26,34,48,.10);
  --muted:#68707A;
  --accent:#C0273A;
  --accent-d:#9C1C2C;
  --accent-l:#DC3545;
  --steel:#46505C;
  --memb:#C8D0D6;
  --ok:#2E6B52;
  --warn:#8A5A12;
  --r:2px;
  --shadow:0 1px 0 rgba(26,34,48,.04), 0 12px 28px -18px rgba(26,34,48,.35);
  --wrap:1280px;
  --pad:28px;
  --ff:"Golos Text",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--ff); font-size:16px; line-height:1.55;
  font-feature-settings:"tnum" 1;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block; max-width:100%}
a{color:inherit; text-decoration:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit; font-size:16px}
h1,h2,h3,h4{margin:0; font-weight:600; letter-spacing:-.022em; line-height:1.12}
p{margin:0}
ul,ol{margin:0; padding:0; list-style:none}
::selection{background:var(--accent); color:#fff}

.wrap{max-width:var(--wrap); margin:0 auto; padding:0 var(--pad)}
.wrap--narrow{max-width:920px}
.wrap--wide{max-width:1440px}

/* ── типографика ─────────────────────────────────────────── */
.eyebrow{
  font-size:11px; font-weight:600; letter-spacing:.16em; text-transform:uppercase;
  color:var(--muted); display:flex; align-items:center; gap:10px;
}
.eyebrow::before{content:""; width:22px; height:1px; background:var(--accent)}
.eyebrow--bare::before{display:none}
.h1{font-size:clamp(30px,4.2vw,54px); font-weight:700; letter-spacing:-.03em; line-height:1.03}
.h2{font-size:clamp(24px,2.6vw,36px); font-weight:650; letter-spacing:-.025em}
.h3{font-size:clamp(18px,1.5vw,22px); font-weight:600}
.lead{font-size:clamp(16px,1.25vw,19px); line-height:1.6; color:var(--ink-3)}
.small{font-size:13.5px; color:var(--muted)}
.mono{font-variant-numeric:tabular-nums}
.accent{color:var(--accent)}

/* ── кнопки ──────────────────────────────────────────────── */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  height:46px; padding:0 20px; border-radius:var(--r); border:1px solid transparent;
  font-size:14.5px; font-weight:600; letter-spacing:-.01em; cursor:pointer;
  background:var(--ink); color:#fff; transition:background .15s, color .15s, border-color .15s, transform .15s;
  white-space:nowrap;
}
.btn:hover{background:var(--ink-3)}
.btn:active{transform:translateY(1px)}
.btn--accent{background:var(--accent)}
.btn--accent:hover{background:var(--accent-d)}
.btn--ghost{background:transparent; color:var(--ink); border-color:var(--line)}
.btn--ghost:hover{background:var(--paper-2); border-color:var(--ink-3)}
.btn--onink{background:#fff; color:var(--ink)}
.btn--onink:hover{background:var(--paper-2)}
.btn--sm{height:38px; padding:0 15px; font-size:13.5px}
.btn--lg{height:52px; padding:0 26px; font-size:15.5px}
.btn--full{width:100%}
.btn.is-on{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.is-on:hover{background:var(--accent-d)}
.btn__arrow{transition:transform .15s}
.btn:hover .btn__arrow{transform:translateX(3px)}

.link-arrow{
  display:inline-flex; align-items:center; gap:7px; font-weight:600; font-size:14.5px;
  border-bottom:1px solid rgba(26,34,48,.25); padding-bottom:2px;
}
.link-arrow:hover{border-color:var(--accent); color:var(--accent)}

/* ── верхняя полоса и шапка ──────────────────────────────── */
.topbar{background:var(--ink); color:rgba(255,255,255,.72); font-size:12.5px}
.topbar__in{display:flex; align-items:center; justify-content:space-between; height:34px; gap:20px}
.topbar__l{display:flex; align-items:center; gap:18px; min-width:0}
.topbar__l span{white-space:nowrap}
.topbar__dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35)}
.topbar__r{display:flex; align-items:center; gap:18px}
.topbar a{color:rgba(255,255,255,.82)}
.topbar a:hover{color:#fff}

.hdr{position:sticky; top:0; z-index:60; background:rgba(245,243,238,.94); backdrop-filter:blur(10px); border-bottom:1px solid var(--line)}
.hdr.is-stuck{box-shadow:0 10px 24px -20px rgba(26,34,48,.55)}
.hdr__in{display:flex; align-items:center; gap:26px; height:70px}

.logo{display:flex; align-items:center; gap:11px; flex:0 0 auto}
.logo__mark{width:34px; height:34px; flex:0 0 auto}
.logo__txt{display:flex; flex-direction:column; line-height:1.05}
.logo__name{font-weight:800; font-size:15.5px; letter-spacing:.02em; text-transform:uppercase}
.logo__sub{font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin-top:3px}

.nav{display:flex; align-items:center; gap:2px; margin-left:6px}
.nav__item{position:relative}
.nav__link{
  display:flex; align-items:center; gap:6px; height:70px; padding:0 12px;
  font-size:14px; font-weight:550; color:var(--ink-3); letter-spacing:-.005em;
  border-bottom:2px solid transparent; transition:color .15s, border-color .15s;
}
.nav__link:hover{color:var(--ink)}
.nav__item.is-current > .nav__link{color:var(--ink); border-bottom-color:var(--accent)}
.nav__caret{width:8px;height:8px;border-right:1.4px solid currentColor;border-bottom:1.4px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.5}

.hdr__r{margin-left:auto; display:flex; align-items:center; gap:12px}
.hdr__phone{display:flex; flex-direction:column; line-height:1.15; text-align:right}
.hdr__phone b{font-size:15.5px; font-weight:650; letter-spacing:-.01em; white-space:nowrap}
.hdr__phone small{font-size:10.5px; color:var(--muted); letter-spacing:.04em}
.icon-btn{
  width:38px; height:38px; display:grid; place-items:center; border:1px solid var(--line);
  border-radius:var(--r); background:transparent; cursor:pointer; color:var(--ink-3);
}
.icon-btn:hover{border-color:var(--ink-3); color:var(--ink)}

.basket{
  display:inline-flex; align-items:center; gap:8px; height:38px; padding:0 13px;
  border:1px solid var(--line); border-radius:var(--r); font-size:13.5px; font-weight:600;
}
.basket:hover{border-color:var(--accent); color:var(--accent)}
.basket__n{
  min-width:19px; height:19px; padding:0 5px; border-radius:10px; background:var(--accent);
  color:#fff; font-size:11px; font-weight:700; display:grid; place-items:center;
}
.basket__n[data-empty="1"]{background:var(--tint); color:var(--muted)}

/* мега-меню */
.mega{
  position:absolute; top:100%; left:50%; transform:translateX(-50%) translateY(-6px);
  width:min(880px,calc(100vw - 56px)); background:#fff; border:1px solid var(--line);
  border-radius:var(--r); box-shadow:0 24px 60px -28px rgba(26,34,48,.4);
  padding:24px 26px; opacity:0; visibility:hidden; transition:opacity .16s, transform .16s, visibility .16s;
  display:grid; grid-template-columns:1.3fr 1fr auto; gap:26px; z-index:70;
}
.nav__item:hover .mega, .nav__item:focus-within .mega{opacity:1; visibility:visible; transform:translateX(-50%) translateY(0)}
.mega__col h4{font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); margin-bottom:10px; font-weight:600}
.mega__list{display:flex; flex-direction:column; gap:1px}
.mega__list a{display:flex; align-items:baseline; justify-content:space-between; gap:12px; padding:5px 8px; margin-left:-8px; border-radius:var(--r); font-size:14px}
.mega__list a:hover{background:var(--paper); color:var(--accent)}
.mega__list em{font-style:normal; font-size:11.5px; color:var(--muted); font-variant-numeric:tabular-nums}
.mega__promo{background:var(--paper); border:1px solid var(--line); padding:16px; width:230px; display:flex; flex-direction:column; justify-content:space-between}
.mega__promo b{font-size:14px; font-weight:650; line-height:1.3}
.mega__promo p{font-size:12.5px; color:var(--muted); margin-top:8px}

/* мобильная навигация */
.burger{display:none; width:40px; height:40px; border:1px solid var(--line); border-radius:var(--r); background:none; cursor:pointer; place-items:center}
.burger span{display:block; width:17px; height:1.6px; background:var(--ink); position:relative}
.burger span::before,.burger span::after{content:""; position:absolute; left:0; width:17px; height:1.6px; background:var(--ink)}
.burger span::before{top:-5.5px} .burger span::after{top:5.5px}

.mnav{position:fixed; inset:0; z-index:100; background:var(--paper); transform:translateX(-100%); transition:transform .22s ease; display:flex; flex-direction:column}
.mnav.is-open{transform:none}
.mnav__top{display:flex; align-items:center; justify-content:space-between; height:64px; padding:0 var(--pad); border-bottom:1px solid var(--line)}
.mnav__body{overflow:auto; padding:10px var(--pad) 40px}
.mnav__link{display:flex; align-items:center; justify-content:space-between; padding:15px 0; border-bottom:1px solid var(--line-soft); font-size:17px; font-weight:550}
.mnav__sub{display:flex; flex-direction:column; gap:2px; padding:10px 0 16px 0; border-bottom:1px solid var(--line-soft)}
.mnav__sub a{font-size:13.5px; color:var(--ink-3); padding:4px 0}
.mnav__foot{display:flex; flex-direction:column; gap:10px; margin-top:22px}
.mnav__close{width:40px;height:40px;border:1px solid var(--line); border-radius:var(--r); background:none; font-size:20px; cursor:pointer}

/* ── секции ──────────────────────────────────────────────── */
.sec{padding:clamp(52px,6vw,88px) 0}
.sec--tight{padding:clamp(34px,4vw,56px) 0}
.sec--paper2{background:var(--paper-2)}
.sec--ink{background:var(--ink); color:#fff}
.sec--ink .eyebrow{color:rgba(255,255,255,.5)}
.sec--ink .lead{color:rgba(255,255,255,.72)}
.sec--ink .muted{color:rgba(255,255,255,.5)}
.sec--line{border-top:1px solid var(--line)}
.sec-h{display:flex; align-items:flex-end; justify-content:space-between; gap:32px; margin-bottom:clamp(24px,3vw,40px)}
.sec-h__l{max-width:760px}
.sec-h h2{margin-top:12px}
.sec-h__r{flex:0 0 auto; padding-bottom:4px}

/* ── герой ───────────────────────────────────────────────── */
.hero{position:relative; overflow:hidden; border-bottom:1px solid var(--line)}
.hero__in{display:grid; grid-template-columns:1.02fr .98fr; gap:clamp(24px,3.6vw,56px); align-items:center; padding-block:clamp(38px,4.6vw,66px) clamp(34px,4vw,54px)}
.hero__l{max-width:620px}
.hero h1{margin:16px 0 0}
.hero .lead{margin-top:20px; max-width:540px}
.hero__cta{display:flex; flex-wrap:wrap; gap:12px; margin-top:28px}
.hero__chips{display:flex; flex-wrap:wrap; gap:8px; margin-top:26px}
.chip{
  display:inline-flex; align-items:center; gap:7px; height:30px; padding:0 11px;
  border:1px solid var(--line); border-radius:var(--r); font-size:12.5px; color:var(--ink-3);
  background:rgba(255,255,255,.5);
}
.chip b{font-weight:650; color:var(--ink)}
.chip--accent{border-color:var(--accent); color:var(--accent)}
.chip--accent b{color:var(--accent)}

.hero__fig{position:relative}
.plate{
  border:1px solid var(--line); background:#fff; padding:14px;
  box-shadow:var(--shadow);
}
.plate__head{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:0 4px 10px; border-bottom:1px solid var(--line-soft); margin-bottom:12px}
.plate__head b{font-size:11px; letter-spacing:.13em; text-transform:uppercase; font-weight:600; color:var(--muted)}
.plate__body{background:var(--paper); border:1px solid var(--line-soft)}
.plate__foot{display:flex; justify-content:space-between; gap:12px; padding-top:10px; font-size:11.5px; color:var(--muted)}
.plate svg{width:100%; height:auto}

/* полоса цифр */
.stats{display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); background:var(--paper)}
.stats__i{padding:20px 24px; border-right:1px solid var(--line)}
.stats__i:last-child{border-right:0}
.stats__n{font-size:clamp(22px,2.2vw,30px); font-weight:700; letter-spacing:-.02em; line-height:1}
.stats__t{font-size:12.5px; color:var(--muted); margin-top:7px}

/* ── узел / тайлы ────────────────────────────────────────── */
.tiles{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line)}
.tile{background:var(--paper); padding:22px; display:flex; flex-direction:column; gap:9px; min-height:170px; transition:background .15s}
.tile:hover{background:#fff}
.tile__n{font-size:11px; font-weight:600; letter-spacing:.14em; color:var(--accent); text-transform:uppercase}
.tile b{font-size:16.5px; font-weight:600; letter-spacing:-.015em; line-height:1.25}
.tile p{font-size:13.5px; color:var(--muted); line-height:1.5}
.tile__go{margin-top:auto; font-size:12.5px; color:var(--ink-3); display:flex; align-items:center; gap:6px}
.tile:hover .tile__go{color:var(--accent)}

/* ── карточки каталога ───────────────────────────────────── */
.cats{display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line)}
.cat{
  background:var(--paper); padding:26px 26px 22px; display:flex; flex-direction:column; gap:12px;
  position:relative; transition:background .15s;
}
.cat:hover{background:#fff}
.cat__link{position:absolute; inset:0; z-index:1}
.subcats{margin-bottom:20px; border-bottom:1px solid var(--line-soft); padding-bottom:14px}
.subcats .rail__h{margin-bottom:9px}
.cat__subs{position:relative; z-index:2}
.cat__top{display:flex; align-items:flex-start; justify-content:space-between; gap:16px}
.cat__t{font-size:19px; font-weight:600; letter-spacing:-.02em}
.cat__n{font-size:12px; color:var(--muted); font-variant-numeric:tabular-nums; white-space:nowrap; padding-top:3px}
.cat p{font-size:13.5px; color:var(--muted); line-height:1.5; max-width:46ch}
.cat__subs{display:flex; flex-wrap:wrap; gap:6px; margin-top:auto; padding-top:6px}
.cat__subs a{font-size:12px; color:var(--ink-3); border:1px solid var(--line); padding:3px 9px; border-radius:var(--r); background:rgba(255,255,255,.6)}
.cat__subs a:hover{border-color:var(--accent); color:var(--accent)}
.cat__arrow{position:absolute; right:24px; bottom:22px; font-size:15px; color:var(--muted); transition:transform .15s,color .15s}
.cat:hover .cat__arrow{color:var(--accent); transform:translateX(3px)}

/* ── таблица брендов ─────────────────────────────────────── */
.brands{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line)}
.brand{background:var(--paper); padding:18px 20px; display:flex; flex-direction:column; gap:4px; transition:background .15s}
.brand:hover{background:#fff}
.brand b{font-size:15px; font-weight:650}
.brand span{font-size:12px; color:var(--muted)}
.brand i{font-style:normal; font-size:11.5px; color:var(--accent); margin-top:6px; font-variant-numeric:tabular-nums}

/* ── товары ──────────────────────────────────────────────── */
.pgrid{display:grid; grid-template-columns:repeat(auto-fill,minmax(248px,1fr)); gap:1px; background:var(--line); border:1px solid var(--line)}
.pcard{background:var(--paper); display:flex; flex-direction:column; transition:background .15s}
.pcard:hover{background:#fff}
.pcard__img{position:relative; aspect-ratio:4/3; border-bottom:1px solid var(--line-soft); background:var(--paper-2); display:grid; place-items:center; overflow:hidden}
.pcard__img svg{width:100%; height:100%}
.pcard__badge{position:absolute; top:9px; left:9px; font-size:10.5px; letter-spacing:.06em; text-transform:uppercase; background:var(--ink); color:#fff; padding:3px 7px; border-radius:var(--r)}
.pcard__badge--accent{background:var(--accent)}
.pcard__body{padding:13px 14px 14px; display:flex; flex-direction:column; gap:7px; flex:1}
.pcard__brand{font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted)}
.pcard__name{font-size:14px; font-weight:550; line-height:1.35; letter-spacing:-.008em}
.pcard__meta{font-size:12px; color:var(--muted)}
.pcard__foot{margin-top:auto; display:flex; align-items:center; justify-content:space-between; gap:10px; padding-top:9px; border-top:1px solid var(--line-soft)}
.pcard__price{font-size:12.5px; color:var(--ink-3); font-weight:600}
.pcard__add{
  width:30px; height:30px; border:1px solid var(--line); background:#fff; border-radius:var(--r);
  display:grid; place-items:center; cursor:pointer; font-size:16px; line-height:1; color:var(--ink-3);
}
.pcard__add:hover{border-color:var(--accent); color:var(--accent)}
.pcard__add.is-on{background:var(--accent); border-color:var(--accent); color:#fff}

/* список */
.plist{border:1px solid var(--line); background:var(--line); display:flex; flex-direction:column; gap:1px}
.prow{background:var(--paper); display:grid; grid-template-columns:76px 1fr auto; gap:16px; align-items:center; padding:11px 14px}
.prow:hover{background:#fff}
.prow__img{width:76px; aspect-ratio:4/3; border:1px solid var(--line-soft); background:var(--paper-2); display:grid; place-items:center}
.prow__name{font-size:14.5px; font-weight:550; line-height:1.3}
.prow__meta{font-size:12px; color:var(--muted); margin-top:3px}
.prow__r{display:flex; align-items:center; gap:14px}
.prow__price{font-size:13px; color:var(--ink-3); white-space:nowrap; font-weight:600}

/* ── витрина/акценты ─────────────────────────────────────── */
.split{display:grid; grid-template-columns:1fr 1fr; gap:clamp(24px,4vw,64px); align-items:center}
.prose{max-width:70ch}
.prose p{margin:0 0 14px; color:var(--ink-3)}
.prose p:last-child{margin-bottom:0}
.prose h2{font-size:clamp(20px,1.9vw,26px); font-weight:650; letter-spacing:-.022em; margin:36px 0 12px}
.prose h2:first-child{margin-top:0}
.prose h3{margin:26px 0 10px}
.prose table{margin:18px 0}
.prose ul{display:flex; flex-direction:column; gap:8px; margin:14px 0}
.prose li{position:relative; padding-left:20px; color:var(--ink-3); font-size:15px; line-height:1.55}
.prose li::before{content:""; position:absolute; left:0; top:9px; width:6px; height:6px; background:var(--accent)}
.prose a{border-bottom:1px solid rgba(192,39,58,.35); color:var(--accent)}
.prose strong{font-weight:600; color:var(--ink)}

.note{border-left:2px solid var(--accent); padding:2px 0 2px 16px; font-size:14px; color:var(--ink-3)}
.note b{font-weight:650}

/* ── калькуляторы ────────────────────────────────────────── */
.calcs{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.14)}
.calc-card{background:var(--ink); padding:22px; display:flex; flex-direction:column; gap:8px; transition:background .15s}
.calc-card:hover{background:var(--ink-2)}
.calc-card__i{font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:rgba(255,255,255,.42)}
.calc-card b{font-size:16px; font-weight:600; color:#fff; letter-spacing:-.015em; line-height:1.25}
.calc-card p{font-size:13px; color:rgba(255,255,255,.55); line-height:1.45}
.calc-card__go{margin-top:auto; padding-top:10px; font-size:12.5px; color:var(--accent-l); display:flex; align-items:center; gap:6px}

.form-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:14px 16px}
.field{display:flex; flex-direction:column; gap:6px}
.field--full{grid-column:1/-1}
.field label{font-size:12.5px; font-weight:550; color:var(--ink-3)}
.field .hint{font-size:11.5px; color:var(--muted)}
.input,select.input,textarea.input{
  height:44px; border:1px solid var(--line); background:#fff; border-radius:var(--r);
  padding:0 12px; font-size:15px; color:var(--ink); width:100%;
}
select.input{appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236A7378' stroke-width='1.4' fill='none'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; padding-right:32px}
.input:focus,textarea.input:focus{outline:none; border-color:var(--ink-3); box-shadow:0 0 0 3px rgba(26,34,48,.06)}
.calc-out{border:1px solid var(--line); background:#fff; padding:20px}
.calc-out__row{display:flex; align-items:baseline; justify-content:space-between; gap:14px; padding:9px 0; border-bottom:1px dashed var(--line)}
.calc-out__row:last-child{border-bottom:0}
.calc-out__k{font-size:13.5px; color:var(--muted)}
.calc-out__v{font-size:19px; font-weight:650; letter-spacing:-.02em; font-variant-numeric:tabular-nums}
.calc-out__v small{font-size:12px; font-weight:500; color:var(--muted); margin-left:4px}

/* ── карточка товара ─────────────────────────────────────── */
.pdp{display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(24px,3.4vw,48px); align-items:start}
.pdp__fig{border:1px solid var(--line); background:#fff; padding:16px}
.pdp__fig svg{width:100%; height:auto}
.pdp__thumbs{display:flex; gap:8px; margin-top:10px}
.pdp__thumbs button{width:64px; aspect-ratio:4/3; border:1px solid var(--line); background:var(--paper); cursor:pointer; padding:4px}
.pdp__thumbs button.is-on{border-color:var(--accent)}
.pdp h1{font-size:clamp(24px,2.3vw,32px); font-weight:650; letter-spacing:-.028em; line-height:1.14; margin:10px 0 0}
.pdp__brand{display:flex; align-items:center; gap:10px; margin-top:14px; font-size:12.5px; color:var(--muted)}
.pdp__brand b{color:var(--ink); font-weight:600}
.pdp__price{display:flex; align-items:baseline; gap:12px; margin-top:20px; padding:14px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.pdp__price b{font-size:22px; font-weight:650; letter-spacing:-.02em}
.pdp__price span{font-size:12.5px; color:var(--muted)}
.pdp__cta{display:flex; gap:10px; margin-top:16px; flex-wrap:wrap}
.pdp__note{font-size:12.5px; color:var(--muted); margin-top:12px; line-height:1.5}

.specs{width:100%; border-collapse:collapse}
.specs tr{border-bottom:1px solid var(--line-soft)}
.specs th{text-align:left; font-size:13px; font-weight:500; color:var(--muted); padding:10px 0; width:44%}
.specs td{font-size:13.5px; padding:10px 0; font-weight:550}

.tabs{display:flex; gap:2px; border-bottom:1px solid var(--line); margin-bottom:22px; overflow:auto}
.tab{padding:11px 14px; font-size:14px; font-weight:550; color:var(--muted); border-bottom:2px solid transparent; background:none; border-top:0; border-left:0; border-right:0; cursor:pointer; white-space:nowrap}
.tab.is-on{color:var(--ink); border-bottom-color:var(--accent)}

/* ── таблицы ─────────────────────────────────────────────── */
.tbl{width:100%; border-collapse:collapse; font-size:13.5px}
.tbl th{text-align:left; font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); font-weight:600; padding:0 14px 9px 0; border-bottom:1px solid var(--line)}
.tbl td{padding:11px 14px 11px 0; border-bottom:1px solid var(--line-soft); vertical-align:top}
.tbl tr:hover td{background:rgba(255,255,255,.5)}
.tbl a{border-bottom:1px solid var(--line)}
.tbl a:hover{color:var(--accent); border-color:var(--accent)}

/* ── фильтры каталога ────────────────────────────────────── */
.catpage{display:grid; grid-template-columns:250px 1fr; gap:clamp(20px,2.4vw,38px); align-items:start}
.rail{position:sticky; top:88px; display:flex; flex-direction:column; gap:18px}
.rail__b{border-top:1px solid var(--line); padding-top:12px}
.rail__b:first-child{border-top:0; padding-top:0}
.rail__h{font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); font-weight:600; margin-bottom:8px}
.rail__l{display:flex; flex-direction:column; gap:1px; max-height:230px; overflow:auto}
.rail__l a, .rail__l label{display:flex; align-items:center; gap:8px; font-size:13px; padding:4px 6px; margin-left:-6px; border-radius:var(--r); color:var(--ink-3); cursor:pointer}
.rail__l a:hover{background:#fff}
.rail__l em{font-style:normal; margin-left:auto; font-size:11px; color:var(--muted); font-variant-numeric:tabular-nums}
.rail__l a.is-on{color:var(--accent); font-weight:600}
.toolbar{display:flex; align-items:center; justify-content:space-between; gap:16px; padding-bottom:14px; border-bottom:1px solid var(--line); margin-bottom:18px; flex-wrap:wrap}
.toolbar__l{font-size:13px; color:var(--muted)}
.toolbar__r{display:flex; align-items:center; gap:8px}
.seg{display:inline-flex; border:1px solid var(--line); border-radius:var(--r); overflow:hidden}
.seg button{height:34px; padding:0 11px; background:#fff; border:0; border-right:1px solid var(--line); font-size:12.5px; cursor:pointer; color:var(--muted)}
.seg button:last-child{border-right:0}
.seg button.is-on{background:var(--ink); color:#fff}

/* ── хлебные крошки, заголовок страницы ──────────────────── */
.crumbs{display:flex; align-items:center; gap:7px; flex-wrap:wrap; font-size:12px; color:var(--muted); padding:14px 0}
.crumbs a:hover{color:var(--accent)}
.crumbs i{font-style:normal; opacity:.45}
.phead{border-bottom:1px solid var(--line); background:var(--paper)}
.phead__in{padding-block:6px clamp(26px,3vw,40px)}
.phead h1{margin:10px 0 0; font-size:clamp(26px,3.4vw,42px); font-weight:700; letter-spacing:-.032em; line-height:1.08}
.phead .lead{margin-top:14px; max-width:74ch}
.phead__meta{display:flex; flex-wrap:wrap; gap:8px; margin-top:18px}

/* ── FAQ ─────────────────────────────────────────────────── */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex; align-items:center; justify-content:space-between; gap:18px; padding:17px 0; cursor:pointer; font-size:15.5px; font-weight:550; list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+"; font-size:19px; font-weight:300; color:var(--muted); flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{color:var(--accent)}
.faq__a{padding:0 0 18px; font-size:14px; color:var(--ink-3); line-height:1.6; max-width:78ch}

/* ── футер ───────────────────────────────────────────────── */
.ftr{background:var(--ink); color:rgba(255,255,255,.68); padding:clamp(38px,4vw,56px) 0 0; margin-top:0}
.ftr__grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:34px; padding-bottom:36px}
.ftr h4{font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:rgba(255,255,255,.4); font-weight:600; margin-bottom:12px}
.ftr a{color:rgba(255,255,255,.72); font-size:13.5px}
.ftr a:hover{color:#fff}
.ftr__l{display:flex; flex-direction:column; gap:7px}
.ftr__brand .logo__name{color:#fff}
.ftr__brand .logo__sub{color:rgba(255,255,255,.42)}
.ftr__about{font-size:13px; line-height:1.55; margin-top:14px; max-width:34ch; color:rgba(255,255,255,.55)}
.ftr__contacts{display:flex; flex-direction:column; gap:6px; margin-top:16px; font-size:13px}
.ftr__contacts b{color:#fff; font-size:16px; font-weight:650}
.ftr__bar{border-top:1px solid rgba(255,255,255,.12); display:flex; align-items:center; justify-content:space-between; gap:20px; padding:16px 0 22px; font-size:11.5px; color:rgba(255,255,255,.4); flex-wrap:wrap}
.ftr__bar a{font-size:11.5px}

/* ── полоса запроса ──────────────────────────────────────── */
.req{background:var(--accent); color:#fff}
.req__in{display:flex; align-items:center; justify-content:space-between; gap:28px; padding-block:clamp(28px,3vw,42px); flex-wrap:wrap}
.req__l h3{font-size:clamp(20px,2vw,26px); font-weight:650; letter-spacing:-.02em}
.req__l p{font-size:14px; color:rgba(255,255,255,.82); margin-top:7px; max-width:62ch}

/* ── утилиты ─────────────────────────────────────────────── */
.mt-0{margin-top:0}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}
.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-40{margin-top:40px}
.mb-0{margin-bottom:0}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}
.muted{color:var(--muted)}
.center{text-align:center}
.hr{height:1px; background:var(--line); border:0; margin:clamp(28px,3vw,44px) 0}
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:clamp(20px,2.6vw,36px)}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(16px,2vw,28px)}
.grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(14px,1.8vw,24px)}
.stack{display:flex; flex-direction:column; gap:10px}
.row{display:flex; align-items:center; gap:10px}
.card{border:1px solid var(--line); background:#fff; padding:22px}
.card--flat{background:var(--paper)}
.card--ink{background:var(--ink); color:#fff; border-color:var(--ink)}
.kicker{font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--accent); font-weight:600}

/* ── пагинация и поиск ───────────────────────────────────── */
.pager{display:flex; justify-content:center; gap:6px; margin-top:30px; flex-wrap:wrap}
.pager a,.pager span{min-width:36px; height:36px; display:grid; place-items:center; border:1px solid var(--line); border-radius:var(--r); font-size:13.5px; padding:0 10px}
.pager a:hover{border-color:var(--accent); color:var(--accent)}
.pager .is-on{background:var(--ink); color:#fff; border-color:var(--ink)}

.searchbox{display:flex; align-items:center; gap:10px; border:1px solid var(--line); background:#fff; border-radius:var(--r); padding:0 14px; height:52px}
.searchbox input{border:0; outline:0; flex:1; font-size:16px; background:none}
.searchbox svg{flex:0 0 auto; color:var(--muted)}

/* ── адаптив ─────────────────────────────────────────────── */
@media (max-width:1240px){
  .hero__in{grid-template-columns:1fr; gap:34px}
  .hero__l{max-width:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats__i:nth-child(2){border-right:0}
  .stats__i:nth-child(1),.stats__i:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:1080px){
  .nav{display:none}
  .burger{display:grid}
  .hdr__phone{display:none}
  .mega{display:none}
  .pdp{grid-template-columns:1fr}
  .catpage{grid-template-columns:1fr}
  .rail{position:static; display:grid; grid-template-columns:1fr 1fr; gap:16px 22px; border:1px solid var(--line); padding:16px; background:#fff}
  .calcs{grid-template-columns:repeat(2,1fr)}
  .ftr__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  :root{--pad:18px}
  .cats{grid-template-columns:1fr}
  .tiles{grid-template-columns:1fr 1fr}
  .brands{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr; gap:26px}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .pgrid{grid-template-columns:1fr 1fr}
  .prow{grid-template-columns:58px 1fr; gap:12px}
  .prow__r{grid-column:2; justify-content:space-between}
  .prow__img{width:58px}
  .topbar__l span:nth-child(2){display:none}
  .topbar__l span:nth-child(3){display:none}
  .topbar__r a:first-child{display:none}
  .hdr__in{height:62px; gap:12px}
  .logo__sub{display:none}
  .basket > span:first-child{display:none}
  .req__in{flex-direction:column; align-items:flex-start}
  .sec-h{flex-direction:column; align-items:flex-start; gap:14px}
}
@media (max-width:560px){
  .tiles,.brands,.grid-3,.grid-4,.pgrid,.calcs{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .hero__cta .btn{width:100%}
  .form-grid{grid-template-columns:1fr}
  .rail{grid-template-columns:1fr}
  .ftr__grid{grid-template-columns:1fr}
  .topbar__r{display:none}
  .hdr__r .btn--accent{display:none}
  .ftr__bar{font-size:11px}
}
@media print{
  .hdr,.topbar,.ftr,.req,.mnav,.burger{display:none!important}
  body{background:#fff}
}