:root{
  color-scheme: dark;
  --bg:#121417; --surface:#1B1F24; --surface-2:#22272E; --line:#2A2F36; --line-2:#3A4048;
  --text:#ECEAE4; --soft:#B4B7BC; --muted:#9A9DA3; --faint:#5C626B;
  --accent:#F5C518; --accent-hover:#FFD84D; --on-accent:#121417; --on-accent-soft:#3A3200;
  --ok:#4ADE80; --err:#F87171;
  --display:'Unbounded','Arial Black',system-ui,sans-serif;
  --body:'Golos Text',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SFMono-Regular',Consolas,monospace;
  --gutter:80px; --max:1280px; --r:8px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.55}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
h1,h2,h3{font-family:var(--display);font-weight:500;line-height:1.12;margin:0;text-wrap:balance}
h1{font-weight:700;font-size:clamp(34px,5.2vw,72px)}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:20px}
p{margin:0}
.wrap{max-width:calc(var(--max) + var(--gutter)*2);margin:0 auto;padding-inline:var(--gutter)}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}
.soft{color:var(--soft)}
.eyebrow{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* кнопки */
.btn{display:inline-flex;white-space:nowrap;align-items:center;justify-content:center;gap:8px;border:0;border-radius:6px;font:600 16px/1 var(--body);padding:16px 24px;cursor:pointer;text-align:center}
.btn-accent{background:var(--accent);color:var(--on-accent)}
.btn-accent:hover{background:var(--accent-hover);color:var(--on-accent)}
.btn-dark{background:var(--bg);color:#fff}
.btn-dark:hover{background:#000;color:#fff}
.btn-ghost{border:1px solid var(--line-2);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--soft);color:var(--text)}

/* шапка */
.top{border-bottom:1px solid var(--line);position:sticky;top:env(safe-area-inset-top,0px);background:rgba(18,20,23,.94);backdrop-filter:blur(8px);z-index:10}
.top .wrap{display:flex;align-items:center;gap:40px;height:84px}
.logo{display:flex;align-items:center;gap:12px;color:var(--text);flex-shrink:0}
.logo:hover{color:var(--text)}
.logo b{font-family:var(--display);font-size:19px;font-weight:700;letter-spacing:.04em}
.nav{display:flex;gap:28px;flex-grow:1}
.nav a{color:var(--text);font-size:16px}
.nav a:hover,.nav a[aria-current]{color:var(--accent)}
.contact-mini{display:flex;flex-direction:column;align-items:flex-end;line-height:1.3}
.contact-mini a{color:var(--text);font-weight:600;white-space:nowrap}
.contact-mini span{font-size:13px;color:var(--muted)}
.menu-btn{display:none;background:none;border:1px solid var(--line-2);color:var(--text);border-radius:6px;width:44px;height:44px;cursor:pointer}

/* секции */
.sec{padding-block:88px}
.sec-alt{background:var(--surface)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:32px}
.crumbs{font-size:14px;color:var(--muted);padding-top:32px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--text)}
.crumbs span{color:var(--text)}

/* герой */
.hero{padding-block:88px 72px;display:flex;flex-direction:column;gap:40px}
.hero h1{max-width:1180px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-row{display:flex;gap:64px;align-items:flex-end;flex-wrap:wrap}
.search{display:flex;flex-direction:column;gap:12px;flex:1 1 560px;max-width:760px}
.search label{font-size:15px;color:var(--muted)}
.search-row{display:flex;gap:12px}
.field{background:var(--surface);border:1px solid var(--line-2);border-radius:6px;padding:18px 20px;font:18px var(--body);color:var(--text);width:100%;min-width:0}
.field::placeholder{color:var(--faint)}
.field.mono{font-family:var(--mono);font-size:17px}
.facts{display:flex;gap:40px}
.fact b{display:block;font-family:var(--display);font-weight:500;font-size:34px;line-height:1.1}
.fact span{font-size:15px;color:var(--muted)}

/* бренды */
.brand-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
.brand-tile{min-height:88px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;justify-content:center;gap:2px;padding:14px 20px;color:var(--text);position:relative;transition:border-color .15s}
.brand-tile:hover{border-color:var(--accent);color:var(--text)}
.brand-tile b{font-size:18px;font-weight:600}
.brand-tile span{font-size:13px;color:var(--muted)}
.brand-tile.ask{background:transparent;border:1px dashed var(--accent);color:var(--accent)}
.brand-tile.ask span{color:var(--accent)}

/* шаги */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{display:flex;flex-direction:column;gap:12px;counter-increment:s}
.steps li::before{content:counter(s);width:48px;height:48px;border-radius:50%;background:var(--accent);color:var(--on-accent);display:flex;align-items:center;justify-content:center;font:700 18px var(--display)}
.steps b{font-size:20px}
.steps span{color:var(--soft);font-size:16px}

/* карточки артикулов */
.part-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.part-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.part-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;color:var(--text);display:flex;flex-direction:column;transition:border-color .15s}
.part-card:hover{border-color:var(--accent);color:var(--text)}
.part-card .ph{aspect-ratio:4/3;background:var(--surface-2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.part-card .ph img{width:100%;height:100%;object-fit:cover}
.ph-sku{font-family:var(--mono);font-size:22px;color:var(--faint);padding:16px;text-align:center}
.part-card .body{padding:20px;display:flex;flex-direction:column;gap:6px}
.part-card .sku{font-family:var(--mono);font-size:16px}
.part-card .nm{font-size:17px;font-weight:500}
.part-card .meta{font-size:14px;color:var(--muted)}

/* таблица */
.table{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.trow{display:grid;grid-template-columns:2fr 3fr 1.2fr 1.4fr;gap:16px;padding:18px 28px;align-items:center;border-top:1px solid var(--line);color:var(--text)}
.trow:hover{background:var(--surface);color:var(--text)}
.thead{background:var(--surface);font-size:13px;letter-spacing:.06em;color:var(--muted);border-top:0;padding-block:14px}
.thead:hover{background:var(--surface)}
.trow .go{color:var(--accent);font-weight:600;font-size:15px}

/* категории */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.cat{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;font-size:18px;font-weight:500}

/* страница бренда/артикула */
.split{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:end}
.split > .main{grid-column:span 8;display:flex;flex-direction:column;gap:24px}
.split > .aside{grid-column:9 / span 4}
.photo{border-radius:12px;overflow:hidden;background:var(--surface);border:1px solid var(--line)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo-empty{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;color:var(--faint);font-family:var(--display);font-size:28px;text-align:center;padding:24px}
.part-top{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:start}
.gallery{grid-column:span 6;display:flex;flex-direction:column;gap:12px}
.gallery .big{aspect-ratio:3/4;max-height:620px;width:100%}
.thumbs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.thumbs button{padding:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface);cursor:pointer;aspect-ratio:1}
.thumbs button[aria-pressed="true"]{border:2px solid var(--accent)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.part-info{grid-column:8 / span 5;display:flex;flex-direction:column;gap:22px}
.part-info h1{font-family:var(--mono);font-weight:500;font-size:clamp(30px,3.2vw,44px);line-height:1.15}
.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px 20px;display:flex;flex-direction:column;gap:2px}
.tile span{font-size:13px;color:var(--muted)}
.tile b{font-size:18px;font-weight:600}
.specs{display:flex;flex-direction:column}
.specs div{display:flex;justify-content:space-between;gap:24px;padding:16px 0;border-bottom:1px solid var(--line)}
.specs dt{color:var(--muted)}
.specs dd{margin:0;text-align:right}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:64px}
.faq details{border-top:1px solid var(--line);padding:18px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{font-size:18px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--accent);font-family:var(--display)}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--soft);margin-top:10px;max-width:62ch}
.list-links a{display:flex;flex-direction:column;gap:4px;padding:20px 0;border-top:1px solid var(--line);color:var(--text)}
.list-links a:last-child{border-bottom:1px solid var(--line)}
.list-links a:hover b{color:var(--accent)}
.list-links small{font-size:13px;color:var(--muted)}
.list-links b{font-size:19px;font-weight:500}

/* форма */
.form{background:var(--accent);color:var(--on-accent);border-radius:12px;padding:40px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.form h2{grid-column:1/-1;font-weight:700;color:var(--on-accent)}
.form .lead{grid-column:1/-1;color:var(--on-accent-soft);margin-top:-6px}
.form .full{grid-column:1/-1}
.form label.f{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600}
.form input[type=text],.form input[type=tel],.form input[type=email],.form textarea{font:16px var(--body);padding:14px;border:0;border-radius:6px;background:#fff;color:#121417;width:100%}
.form textarea{resize:vertical;min-height:96px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{cursor:pointer}
.chips input{position:absolute;opacity:0;pointer-events:none}
.chips span{display:inline-block;padding:8px 12px;border-radius:999px;border:1px solid rgba(18,20,23,.35);font-size:14px;font-weight:500}
.chips input:checked + span{background:var(--on-accent);color:#fff;border-color:var(--on-accent)}
.chips input:focus-visible + span{outline:2px solid var(--on-accent);outline-offset:2px}
.file{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:15px}
.file input{font:14px var(--body);color:var(--on-accent)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--on-accent-soft)}
.consent a{color:var(--on-accent);text-decoration:underline}
.form .hp{position:absolute;left:-9999px}
.form-status{grid-column:1/-1;font-size:15px;font-weight:600;min-height:1em}
.form-status.err{color:#7A0B0B}
.form-contacts{display:flex;flex-direction:column;gap:18px}
.form-contacts .c b{display:block;font-size:20px}
.form-contacts .c span{font-size:14px;color:var(--muted)}
.form-contacts .c a{color:var(--text)}

/* статья */
.article{max-width:760px;display:flex;flex-direction:column;gap:20px;font-size:18px}
.article h2{margin-top:24px}
.article ul,.article ol{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:8px}
.article p,.article li{color:var(--soft)}
.article b{color:var(--text)}
.note{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px 24px;color:var(--soft)}

/* подвал */
.foot{border-top:1px solid var(--line);padding-block:48px;color:var(--muted);font-size:14px}
.foot .wrap{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px}
.foot b{display:block;color:var(--text);margin-bottom:10px;font-weight:600}
.foot a{color:var(--muted);display:block;margin-bottom:6px}
.foot a:hover{color:var(--text)}
.foot .legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* адаптив */
@media (max-width:1180px){
  :root{--gutter:40px}
  .brand-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .nav{gap:20px}
  .contact-mini{display:none}
}
@media (max-width:900px){
  .nav{display:none;position:absolute;top:84px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;padding:16px var(--gutter);gap:4px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;font-size:18px}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  .top .btn{display:none}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .part-grid,.part-grid.four,.cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split > .main,.split > .aside,.gallery,.part-info{grid-column:1/-1}
  .two{grid-template-columns:1fr;gap:48px}
  .foot .wrap{grid-template-columns:1fr 1fr}
  .trow{grid-template-columns:1.4fr 2fr;padding-inline:20px}
  .trow > :nth-child(3),.trow > :nth-child(4){display:none}
}
@media (max-width:600px){
  :root{--gutter:16px}
  body{font-size:16px}
  .top .wrap{height:68px;gap:12px}
  .nav{top:68px}
  .logo b{font-size:16px}
  .sec{padding-block:56px}
  .hero{padding-block:48px 40px;gap:28px}
  .hero h1{font-size:clamp(26px,7.6vw,40px)}
  .search-row{flex-direction:column}
  .brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps,.part-grid,.part-grid.four,.cat-grid,.tiles{grid-template-columns:1fr}
  .form{grid-template-columns:1fr;padding:24px}
  .fact b{font-size:26px}
  .foot .wrap{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}