/* ProDahua v2 — лёгкая, воздушная, премиальная дизайн-система
   Референсы: Apple.com (воздух, центрированная графика, pill-CTA),
   Cudy (холодная off-white палитра), Keenetic (технический санс, трекинг) */
:root{
  /* поверхности — прохладные, воздушные */
  --bg:#F6F9FC; --surface:#FFFFFF; --surface-soft:#EEF3F8; --surface-2:#F2F6FA; --surface-deep:#0B1B2B;
  /* текст — глубокий сланец */
  --ink:#0B1B2B; --ink-2:#33455A; --ink-3:#6E7E90; --ink-4:#9AAAB8;
  --line:#E3E9F0; --line-2:#EEF2F7;
  /* акцент — фирменный Dahua красный, используется точечно */
  --brand:#C8102E; --brand-2:#A50C26; --brand-soft:#FBE9EC; --brand-ink:#7A0C1E;
  --accent:#C8102E; --accent-2:#A50C26;
  --ok:#1B7A4A; --ok-soft:#E7F4EC; --warn:#9A6200; --warn-soft:#FBF0DC;
  /* радиусы — мягче, крупнее */
  --r-sm:8px; --r:12px; --r-lg:18px; --r-xl:26px;
  /* тени — мягкие, воздушные */
  --sh-1:0 1px 2px rgba(11,27,43,.04),0 1px 3px rgba(11,27,43,.03);
  --sh-2:0 8px 30px rgba(11,27,43,.08);
  --sh-3:0 28px 70px rgba(11,27,43,.16);
  --wrap:1280px; --header-h:64px;
  --f-head:'Cabinet Grotesk','Satoshi',system-ui,sans-serif;
  --f-body:'Satoshi',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--f-body);font-size:15.5px;line-height:1.65;color:var(--ink);background:var(--bg);overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:var(--brand-2);text-decoration:none;transition:color .15s}
a:hover{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-head);font-weight:700;line-height:1.12;color:var(--ink);margin:0 0 .5em;letter-spacing:.005em;text-transform:uppercase}
h1{font-size:clamp(30px,4.2vw,46px);font-weight:800;letter-spacing:0}
h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:.01em}
h3{font-size:19px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin:.3em 0}
small{font-size:13px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:860px}
.muted{color:var(--ink-3)}
.nowrap{white-space:nowrap}
.mono{font-variant-numeric:tabular-nums}

/* ---------- topbar / header ---------- */
.topbar{background:var(--surface-2);color:var(--ink-2);font-size:11.5px;border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.topbar .wrap{display:flex;gap:18px;align-items:center;min-height:34px;flex-wrap:wrap}
.topbar a{color:var(--ink-2)}
.topbar a:hover{color:var(--brand)}
.topbar .sep{flex:1}
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;gap:12px;min-height:var(--header-h)}
.logo{display:flex;align-items:center;gap:11px;color:var(--ink);font-family:var(--f-head);font-weight:700;font-size:15px;letter-spacing:-.01em;flex:none}
.logo:hover{text-decoration:none}
.logo-dahua{height:32px;width:auto;display:block;flex:none}
.logo-sep{width:1px;height:28px;background:var(--line);flex:none}
.logo-txt{display:block;line-height:1.15}
.logo-txt small{display:block;font-family:var(--f-body);font-weight:500;font-size:10.5px;color:var(--ink-3);letter-spacing:.01em;margin-top:2px}
.logo-dahua-f{height:42px;width:auto;display:block;margin-bottom:16px}
@media (max-width:1500px){.nav a:nth-child(6),.nav a:nth-child(7){display:none}}
@media (max-width:1240px){.logo-sep,.logo-txt{display:none}}
@media (max-width:900px){.logo-dahua{height:28px}}
.nav{display:flex;gap:14px;align-items:center;font-size:11.5px;font-weight:600;white-space:nowrap;text-transform:uppercase;letter-spacing:.04em}
.nav a{color:var(--ink-2)}
.nav a:hover{color:var(--brand)}
.search{flex:1;min-width:130px;position:relative}
.search input{width:100%;height:42px;padding:0 42px 0 16px;border:1px solid var(--line);border-radius:999px;font:inherit;background:var(--surface);color:var(--ink);transition:.15s}
.search input::placeholder{color:var(--ink-4)}
.search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft);background:#fff}
.search button{position:absolute;right:5px;top:5px;width:32px;height:32px;border:0;border-radius:50%;background:transparent;color:var(--ink-3);cursor:pointer;display:flex;align-items:center;justify-content:center}
.search button:hover{background:var(--surface-soft);color:var(--brand)}
.hdr-actions{display:flex;align-items:center;gap:10px;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;font:600 14px/1 var(--f-body);cursor:pointer;transition:.16s ease;text-align:center;letter-spacing:-.005em}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary,.btn-accent{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(200,16,46,.22)}
.btn-primary:hover,.btn-accent:hover{background:var(--brand-2);color:#fff;box-shadow:0 10px 24px rgba(200,16,46,.3)}
.btn-brand{background:var(--ink);color:#fff}
.btn-brand:hover{background:#1a2e44;color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink-3);color:var(--ink);background:var(--surface)}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn-lg{height:52px;padding:0 30px;font-size:15.5px}
.btn-block{width:100%}
.icon-btn{display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 13px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font:600 12px/1 var(--f-body);cursor:pointer;transition:.15s;text-transform:uppercase;letter-spacing:.04em}
.icon-btn:hover{border-color:var(--ink-3);color:var(--brand);text-decoration:none}
.badge-count{min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--brand);color:#fff;font:700 12px/20px var(--f-body);text-align:center}

/* ---------- suggest ---------- */
#suggest{position:absolute;left:0;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-3);z-index:80;overflow:hidden}
#suggest a{display:block;padding:11px 15px;border-bottom:1px solid var(--line-2);color:var(--ink)}
#suggest a:last-child{border-bottom:0}
#suggest a:hover{background:var(--surface-soft);text-decoration:none}
#suggest b{display:block;font-family:var(--f-head);font-size:14px}
#suggest small{display:block;color:var(--ink-3);font-size:12px}

/* ---------- mega menu ---------- */
.mega-wrap{position:relative}
.mega{position:absolute;left:0;right:0;top:100%;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 var(--r-lg) var(--r-lg);box-shadow:var(--sh-3);z-index:70}
.mega .wrap{display:block;padding:26px 24px 32px}
.mega-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:24px}
.mega-col h4{font-size:12px;margin:0 0 10px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);font-weight:600}
.mega-col ul{list-style:none;margin:0;padding:0;font-size:14px}
.mega-col li{margin:6px 0}
.mega-col a{color:var(--ink-2)}
.mega-col a:hover{color:var(--brand)}
.mega-col .cnt{color:var(--ink-4);font-size:12px}

/* ---------- breadcrumbs ---------- */
.crumbs{font-size:11.5px;color:var(--ink-3);padding:18px 0 2px;text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumbs li::after{content:'/';margin-left:8px;color:var(--ink-4)}
.crumbs li:last-child::after{content:''}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--brand)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--surface);color:var(--ink);overflow:hidden}
.hero{background-image:url('/assets/hero-bg.png');background-size:cover;background-position:center right}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,249,252,.96) 0%,rgba(246,249,252,.92) 42%,rgba(246,249,252,.55) 68%,rgba(246,249,252,.15) 100%)}
.hero .wrap{position:relative;z-index:1;display:flex;flex-direction:column;justify-content:center;min-height:560px;padding-top:72px;padding-bottom:72px;max-width:760px}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:22px}
.hero h1{color:var(--ink);font-size:clamp(34px,5vw,54px);line-height:1.06;margin-bottom:18px}
.hero p{color:var(--ink-2);font-size:clamp(16px,1.5vw,19px);line-height:1.6;max-width:54ch;margin-bottom:30px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px 40px;margin:42px 0 0;list-style:none;padding:0}
.hero-facts li{margin:0}
.hero-facts b{display:block;font-family:var(--f-head);font-weight:800;font-size:clamp(22px,2.4vw,28px);color:var(--ink);line-height:1.1}
.hero-facts span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:3px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.hero-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh-2)}
.hero-side h3{font-size:18px;margin-bottom:6px}
.hero-side .muted{font-size:13.5px;margin-bottom:16px}

/* ---------- sections ---------- */
section{padding:72px 0}
section.tight{padding:44px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-head h2{margin:0}
.sec-head p{margin:8px 0 0;color:var(--ink-3);max-width:62ch;font-size:14.5px}
.soft{background:var(--surface-soft)}
.tinted{background:linear-gradient(180deg,#fff,var(--surface-soft))}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-auto{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.cat-card{display:block;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;background:#fff;transition:.18s ease;overflow:hidden;position:relative}
.cat-card::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 100% 0%,var(--brand-soft),transparent 60%);opacity:0;transition:.18s ease}
.cat-card:hover{border-color:transparent;box-shadow:var(--sh-2);text-decoration:none;transform:translateY(-3px)}
.cat-card:hover::after{opacity:1}
.cat-card h3{position:relative;z-index:1;margin:0 0 6px;font-size:17px}
.cat-card p{position:relative;z-index:1;margin:0;color:var(--ink-3);font-size:13.5px}
.cat-card .cnt{position:relative;z-index:1;display:inline-block;margin-top:12px;font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:4px 12px}

.card{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;display:flex;flex-direction:column;overflow:hidden;transition:.18s ease;position:relative;box-shadow:var(--sh-1)}
.card:hover{box-shadow:var(--sh-2);border-color:#d3dde8;transform:translateY(-3px)}
.card .ph{position:relative;aspect-ratio:1/1;background:linear-gradient(180deg,#fff,var(--surface-soft));display:flex;align-items:center;justify-content:center;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:contain;padding:22px;transition:transform .3s ease}
.card:hover .ph img{transform:scale(1.05)}
.card .body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1;gap:9px}
.card .sku{font-size:11px;color:var(--ink-4);letter-spacing:.04em;text-transform:uppercase;font-weight:600}
.card .name{font-family:var(--f-head);font-weight:700;font-size:14.5px;line-height:1.35;margin:0}
.card .name a{color:var(--ink)}
.card .name a:hover{color:var(--brand)}
.card .specs{list-style:none;margin:0;padding:0;font-size:12px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:5px 6px}
.card .specs li{background:var(--surface-soft);border-radius:var(--r-sm);padding:3px 8px;margin:0}
.card .foot{margin-top:auto;padding-top:6px;display:flex;align-items:flex-end;justify-content:space-between;gap:10px;flex-wrap:wrap}
.price{font-family:var(--f-head);font-weight:800;font-size:19px;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
.price small{display:block;font-family:var(--f-body);font-weight:500;font-size:11px;color:var(--ink-3);margin-top:1px}
.tags{position:absolute;top:12px;left:12px;display:flex;flex-direction:column;gap:6px;z-index:2}
.tag{font-size:10.5px;font-weight:700;padding:4px 9px;border-radius:999px;background:var(--brand);color:#fff;letter-spacing:.02em;text-transform:uppercase}
.tag.hit{background:var(--accent)}
.tag.new{background:var(--ok)}
.stock{font-size:12px;font-weight:600;color:var(--ok);display:flex;align-items:center;gap:6px}
.stock::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--ok)}
.stock.order{color:var(--warn)}
.stock.order::before{background:var(--warn)}

/* ---------- filter rail ---------- */
.cat-layout{display:grid;grid-template-columns:268px 1fr;gap:30px;align-items:start}
.rail{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;position:sticky;top:calc(var(--header-h) + 14px);overflow:hidden;box-shadow:var(--sh-1)}
.rail-block{padding:16px 18px;border-bottom:1px solid var(--line-2)}
.rail-block:last-child{border-bottom:0}
.rail-block h4{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);margin:0 0 12px;font-weight:600}
.rail-block ul{list-style:none;margin:0;padding:0;font-size:14px}
.rail-block li{margin:5px 0;display:flex;justify-content:space-between;gap:8px}
.rail-block a{color:var(--ink-2)}
.rail-block a:hover{color:var(--brand)}
.rail-block a.on{color:var(--brand);font-weight:700}
.rail-block .cnt{color:var(--ink-4);font-size:12px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;padding:0;list-style:none}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:500;color:var(--ink-2);background:#fff;transition:.15s}
.chip:hover{border-color:var(--ink-3);color:var(--brand);text-decoration:none}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:20px;padding:14px 18px;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--sh-1)}
.toolbar label{font-size:13px;color:var(--ink-3);font-weight:600}
.toolbar select{height:38px;border:1px solid var(--line);border-radius:999px;background:#fff;font:inherit;font-size:13.5px;padding:0 16px;color:var(--ink)}
.pager{display:flex;gap:7px;flex-wrap:wrap;justify-content:center;margin:36px 0 0;list-style:none;padding:0}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-2);background:#fff;transition:.15s}
.pager .on{background:var(--ink);border-color:var(--ink);color:#fff}
.pager a:hover{border-color:var(--ink-3);text-decoration:none}

/* ---------- content prose ---------- */
.prose{max-width:76ch}
.prose h2{margin-top:1.8em}
.prose h3{margin-top:1.5em}
.prose ul{padding-left:1.1em}
.seo-text{border-top:1px solid var(--line);margin-top:44px;padding-top:34px}
.seo-text .cols{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.note{border-left:3px solid var(--brand);background:var(--surface-soft);padding:16px 18px;border-radius:0 var(--r) var(--r) 0;margin:0 0 20px}
.note p:last-child{margin:0}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--sh-1)}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line-2);vertical-align:top}
th{font-family:var(--f-head);font-weight:700;font-size:13px;color:var(--ink-2);background:var(--surface-soft);white-space:nowrap}
tr:last-child td{border-bottom:0}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.specs-table td:first-child{color:var(--ink-3);width:44%}

/* ---------- product page ---------- */
.pdp{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr) 308px;gap:32px;align-items:start;margin-top:10px}
.gallery{border:1px solid var(--line);border-radius:var(--r-xl);background:#fff;overflow:hidden;box-shadow:var(--sh-1)}
.gallery .main{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#fff,var(--surface-soft))}
.gallery .main img{width:100%;height:100%;object-fit:contain;padding:30px}
.thumbs{display:flex;gap:9px;padding:12px;border-top:1px solid var(--line-2);flex-wrap:wrap;background:#fff}
.thumbs button{width:62px;height:62px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;padding:3px;cursor:pointer;transition:.15s}
.thumbs button:hover{border-color:var(--ink-3)}
.thumbs button.on{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.thumbs img{width:100%;height:100%;object-fit:contain}
.pdp-main h1{margin-bottom:10px}
.pdp-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.key-specs{list-style:none;margin:0 0 22px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:9px 18px;font-size:13.5px}
.key-specs li{display:flex;justify-content:space-between;gap:10px;border-bottom:1px dashed var(--line);padding-bottom:6px;margin:0}
.key-specs b{font-weight:700;text-align:right}
.buybox{border:1px solid var(--line);border-radius:var(--r-xl);padding:20px;background:#fff;box-shadow:var(--sh-2);position:sticky;top:calc(var(--header-h) + 14px)}
.buybox .price{font-size:30px;margin-bottom:4px}
.buybox .stock{margin:12px 0 16px}
.buybox .btn{margin-bottom:8px}
.buybox ul{list-style:none;margin:16px 0 0;padding:0;font-size:13px;color:var(--ink-2)}
.buybox ul li{padding:7px 0;border-top:1px solid var(--line-2);display:flex;gap:8px;margin:0}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:40px 0 26px;flex-wrap:wrap}
.tabs a{padding:12px 18px;font-weight:600;font-size:14px;color:var(--ink-3);border-bottom:2px solid transparent;transition:.15s}
.tabs a:hover{color:var(--brand);text-decoration:none}
.tabs a.on{color:var(--ink);border-color:var(--brand)}
.bullets{list-style:none;margin:0 0 22px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:11px 22px}
.bullets li{display:flex;gap:10px;font-size:14.5px;margin:0}
.bullets li::before{content:'';flex:none;width:18px;height:18px;margin-top:2px;border-radius:50%;background:var(--ok-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231B7A4A' stroke-width='3'%3E%3Cpath d='M4 12l5 5L20 6'/%3E%3C/svg%3E") center/12px no-repeat}
.faq-item{border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px;background:#fff;overflow:hidden}
.faq-item summary{padding:16px 18px;font-family:var(--f-head);font-weight:600;font-size:15px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq-item summary::after{content:'+';color:var(--brand);font-weight:700}
.faq-item[open] summary::after{content:'–'}
.faq-item .ans{padding:0 18px 18px;color:var(--ink-2);font-size:14.5px}

/* ---------- compare ---------- */
.cmp-table th:first-child,.cmp-table td:first-child{position:sticky;left:0;background:#fff;z-index:1}
.cmp-table th{text-align:center}
.cmp-table td{text-align:center}
.cmp-table tbody th{text-align:left;background:var(--surface-soft)}
.cmp-best{color:var(--ok);font-weight:700}

/* ---------- forms ---------- */
.form{display:grid;gap:15px;max-width:520px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r);font:inherit;background:#fff;transition:.15s;color:var(--ink)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.field .err{color:var(--brand-2);font-size:12.5px;margin-top:4px}
.file-drop{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px dashed var(--line-2,var(--line));border-radius:var(--r);background:var(--surface-soft,#fff);cursor:pointer;transition:.15s;flex-wrap:wrap}
.file-drop:hover{border-color:var(--brand);background:#fff}
.file-drop input[type=file]{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}
.file-drop:has(input:focus-visible){outline:2px solid var(--brand);outline-offset:2px}
.file-drop-btn{flex:none;display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:12px;font-weight:600;color:var(--ink-2);text-transform:uppercase;letter-spacing:.04em}
.file-drop:hover .file-drop-btn{border-color:var(--brand);color:var(--brand)}
.file-drop-name{font-size:12.5px;color:var(--ink-3);line-height:1.4;min-width:0;word-break:break-word}
.file-drop.has-file{border-style:solid;border-color:var(--ok,#1B7A4A);background:#fff}
.file-drop.has-file .file-drop-name{color:var(--ink);font-weight:500}
.file-drop.has-file .file-drop-btn{border-color:var(--ok,#1B7A4A);color:var(--ok,#1B7A4A)}
.form-note{font-size:12.5px;color:var(--ink-3)}
.toast{position:fixed;right:24px;bottom:24px;z-index:200;background:var(--ink);color:#fff;border-radius:var(--r);padding:16px 20px;font-size:14px;box-shadow:var(--sh-3);max-width:360px}

/* ---------- footer ---------- */
.footer{background:var(--surface-deep);color:#9fb3c5;padding:56px 0 30px;margin-top:64px;font-size:14px}
.footer h4{color:#fff;font-size:12px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 14px;font-weight:600}
.footer a{color:#c4d5e4}
.footer a:hover{color:#fff}
.footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin:7px 0}
.footer .bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12.5px;color:#7f9bb2}
.link-cloud{display:flex;flex-wrap:wrap;gap:8px 14px;list-style:none;padding:0;margin:0;font-size:13px}
.link-cloud a{color:#9fb3c5}

/* ---------- misc ---------- */
.usp{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.usp div{border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;background:#fff;transition:.18s}
.usp div:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.usp h3{font-size:15px;margin-bottom:6px}
.usp p{margin:0;font-size:13.5px;color:var(--ink-3)}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.steps li{counter-increment:s;border-top:2px solid var(--brand);padding-top:16px;font-size:14px;color:var(--ink-2);margin:0}
.steps li::before{content:counter(s);display:block;font-family:var(--f-head);font-weight:800;font-size:24px;color:var(--brand);margin-bottom:4px}
.steps b{display:block;color:var(--ink);font-family:var(--f-head)}
.rel-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:9px 22px;font-size:14px}
.rel-list li{border-bottom:1px solid var(--line-2);padding:8px 0;margin:0}
.glossary-group{margin-bottom:34px}
.pdp-cols{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:34px;align-items:start}
@media (max-width:900px){.pdp-cols{grid-template-columns:1fr}}
.glossary-group h2{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line-2)}
.glossary-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:0 26px}
.glossary-list li{border-bottom:1px solid var(--line-2);padding:10px 0;margin:0}
.glossary-list li:last-child{border-bottom:0}
.glossary-list a{font-weight:600;font-size:15px}
.glossary-list li span{display:block;font-size:13px;color:var(--ink-3);margin-top:3px;line-height:1.45}
.article-card{border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;background:#fff;transition:.18s}
.article-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.article-card h3{font-size:16px;margin-bottom:6px}
.article-card p{font-size:13.5px;color:var(--ink-3);margin:0 0 12px}
.lead{font-size:17px;color:var(--ink-2)}
.toc{border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;background:var(--surface-soft);margin-bottom:28px}
.toc ol{margin:0;padding-left:1.2em;font-size:14px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:10px;top:10px;z-index:300;background:#fff;padding:10px}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .hero .wrap{min-height:460px}
  .pdp{grid-template-columns:minmax(0,1fr) 308px}
  .pdp .pdp-main{grid-column:1/-1}
  .g-4{grid-template-columns:repeat(3,1fr)}
  .usp,.steps{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1fr 1fr}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero .wrap{max-width:none}
}
@media (max-width:900px){
  :root{--header-h:58px}
  .nav{display:none}
  .topbar a:not([href^="tel"]){display:none}
  .topbar .sep{display:none}
  .topbar .wrap{justify-content:center;min-height:30px}
  .hero{background-position:center}
  .hero .wrap{min-height:420px;padding-top:48px;padding-bottom:48px}
  .pdp{grid-template-columns:1fr;gap:24px}
  .g-3,.g-4{grid-template-columns:repeat(2,1fr)}
  .usp{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .cat-layout{grid-template-columns:1fr;gap:20px}
  .rail{position:static}
  .bullets,.key-specs,.seo-text .cols{grid-template-columns:1fr}
  .hero-facts{gap:18px 24px}
  .btn-lg{height:48px;padding:0 24px;font-size:14.5px}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .header .wrap{flex-wrap:wrap;row-gap:10px;padding-bottom:10px}
  .search{order:9;flex-basis:100%;min-width:0}
  .search input{height:38px;padding:0 40px 0 14px}
  .search input::placeholder{font-size:13.5px}
  .buybox{position:static}
  .g-auto{grid-template-columns:1fr}
  .hero .wrap{min-height:380px}
  .hero h1{font-size:30px}
  .icon-btn .lbl{display:none}
  .g-2{grid-template-columns:1fr}
}

/* ---------- map cards (kontakty) ---------- */
.map-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px;margin:18px 0 10px}
.map-card{display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface);text-decoration:none;transition:border-color .2s,transform .2s,box-shadow .2s}
.map-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.09)}
.map-card img{display:block;width:100%;height:auto;aspect-ratio:640/400;object-fit:cover}
.map-card-body{padding:12px 16px;display:flex;flex-direction:column;gap:3px}
.map-card-body b{font-size:15px;color:var(--ink)}
.map-card-body span{font-size:13.5px;color:var(--ink-3);line-height:1.45}