:root{
  --ink:#101a2b; --ink2:#2b3649; --muted:#5d6878; --line:#e5e2dc;
  --bg:#ffffff; --bg2:#f6f4f0; --card:#ffffff;
  --blue:#1383dc; --blue-d:#0b69b5; --blue-soft:#e8f3fc;
  --wa:#1fa855; --radius:14px;
  --shadow:0 1px 2px rgba(16,26,43,.05),0 6px 24px rgba(16,26,43,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 "Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.15;margin:0;letter-spacing:-.02em}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;font-size:15px;padding:13px 22px;border-radius:999px;border:0;cursor:pointer;transition:background .15s,transform .15s}
.btn:hover{background:var(--blue-d)}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-wa{background:var(--wa)}
.btn-wa:hover{background:#178a45}
.btn-block{width:100%}

/* nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none}
.logo-mark{background:var(--blue);color:#fff;font-weight:800;letter-spacing:.06em;font-size:15px;padding:5px 9px;border-radius:4px;font-family:Georgia,"Times New Roman",serif}
.logo-mark.sm{font-size:13px}
.logo-sub{font-weight:700;letter-spacing:.22em;font-size:12px;color:var(--ink2)}
.links{display:flex;gap:26px;margin-left:12px}
.links a{text-decoration:none;font-weight:600;font-size:15px;color:var(--ink2)}
.links a:hover{color:var(--blue)}
.nav-r{margin-left:auto;display:flex;align-items:center;gap:10px}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;background:none;border:1px solid var(--line);border-radius:999px;padding:7px 11px;font:600 13px inherit;font-family:inherit;color:var(--ink2);cursor:pointer;text-transform:uppercase}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);list-style:none;margin:0;padding:6px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);min-width:190px;display:none}
.lang-menu.open{display:block}
.lang-menu a{display:block;padding:8px 12px;border-radius:8px;text-decoration:none;font-size:14px}
.lang-menu a:hover,.lang-menu a[aria-current]{background:var(--blue-soft);color:var(--blue-d)}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;padding:0 9px}
.burger span{display:block;height:2px;background:var(--ink);border-radius:2px}

/* hero */
.hero{background:linear-gradient(180deg,#fff 0%,var(--bg2) 100%);border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding:64px 24px 72px}
.eyebrow{margin:0 0 14px;color:var(--blue-d);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.hero h1{font-size:clamp(32px,4.2vw,52px);font-weight:800}
.hero h1 em{font-style:normal;color:var(--blue)}
.lead{font-size:18px;color:var(--muted);margin:18px 0 0;max-width:36em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:40px 0 0;border-top:1px solid var(--line)}
.stats div{padding:16px 12px 0 0}
.stats dt{font-weight:800;font-size:22px;letter-spacing:-.02em}
.stats dd{margin:2px 0 0;font-size:13px;color:var(--muted);line-height:1.35}
.hero-art{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tile{background:#fff;border-radius:18px;box-shadow:var(--shadow);aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;padding:18px;overflow:hidden}
.tile img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.t2,.t4{transform:translateY(28px)}

/* sections */
.section{padding:84px 0}
.section.alt{background:var(--bg2)}
.head{max-width:680px;margin-bottom:36px}
.head h2,.about h2,.contact h2{font-size:clamp(28px,3.2vw,40px);font-weight:800}
.head p{color:var(--muted);margin:10px 0 0;font-size:17px}

/* categories */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat{position:relative;display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px 14px 14px;text-align:left;cursor:pointer;font:inherit;color:inherit;transition:border-color .15s,box-shadow .15s}
.cat:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.cat .ci{width:84px;height:84px;flex:none;border-radius:10px;background:var(--bg2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.cat .ci img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;padding:4px}
.cat b{display:block;font-size:16px;line-height:1.3}
.cat small{color:var(--muted);font-size:13px}

/* toolbar + grid */
.toolbar{display:flex;gap:16px;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;font:600 14px inherit;font-family:inherit;color:var(--ink2);cursor:pointer}
.chip[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:0 14px;color:var(--muted);min-width:220px}
.search input{border:0;outline:0;background:none;font:inherit;font-size:14px;padding:9px 0;width:100%;color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;text-align:left;padding:0;font:inherit;color:inherit;display:flex;flex-direction:column;transition:box-shadow .15s,transform .15s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card .pi{aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center;padding:14px;border-bottom:1px solid var(--line)}
.card .pi{overflow:hidden}
.card .pi img{width:100%;height:100%;object-fit:contain}
.card .pm,.card .pt,.card .ps{display:block}
.card .pb{padding:12px 14px 14px}
.card .pm{font-size:12px;font-weight:700;color:var(--blue-d);letter-spacing:.03em}
.card .pt{font-size:15px;font-weight:700;line-height:1.3;margin-top:2px}
.card .ps{font-size:13px;color:var(--muted);margin-top:4px}
.empty{text-align:center;color:var(--muted);padding:40px 0}

/* OEM */
.oem{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.oem-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff}
.oem-card .ic{display:inline-flex;width:44px;height:44px;border-radius:12px;background:var(--blue-soft);color:var(--blue-d);align-items:center;justify-content:center}
.oem-card .ic svg{width:22px;height:22px}
.oem-card h3{font-size:18px;margin:16px 0 6px}
.oem-card p{margin:0;color:var(--muted);font-size:15px}
.steps-h{font-size:22px;margin:56px 0 18px}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:s;border-top:2px solid var(--ink)}
.steps li{counter-increment:s;padding:18px 16px 0 0}
.steps li::before{content:"0" counter(s);display:block;font-weight:800;color:var(--blue);font-size:14px;margin-bottom:6px}
.steps b{display:block;font-size:16px}
.steps span{display:block;color:var(--muted);font-size:14px;margin-top:4px}

/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-img{display:grid;grid-template-columns:1fr;gap:14px}
.about-img img{border-radius:var(--radius);width:100%;object-fit:cover;aspect-ratio:16/8}
.about p{color:var(--ink2);font-size:17px;margin:16px 0 0}
.about b{color:var(--blue-d)}

/* contact */
.contact{background:var(--ink);color:#fff}
.contact .lead{color:#b9c3d1}
.contact-in{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:start}
.direct{list-style:none;padding:0;margin:32px 0 0}
.direct li{display:flex;flex-direction:column;padding:14px 0;border-top:1px solid rgba(255,255,255,.12)}
.direct span{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#8e9aac;font-weight:700}
.direct a,.direct em{font-style:normal;font-size:18px;font-weight:700;text-decoration:none;color:#fff;margin-top:2px}
.direct a:hover{color:#7cc0f4}
.form{background:#fff;color:var(--ink);border-radius:18px;padding:28px;display:grid;gap:14px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:700;color:var(--ink2)}
.form input,.form textarea{font:inherit;font-size:15px;font-weight:400;border:1px solid var(--line);border-radius:10px;padding:11px 12px;background:#fbfaf8;color:var(--ink);outline:0;width:100%}
.form input:focus,.form textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px var(--blue-soft)}
.form .bad{border-color:#d33}
.hp{position:absolute;left:-9999px}
.note{margin:0;font-size:13px;color:var(--muted);text-align:center}
.note.ok{color:var(--wa);font-weight:700}
.note.err{color:#c62828;font-weight:700}

/* footer */
.foot{background:#0b1320;color:#8e9aac;font-size:14px}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px 24px;flex-wrap:wrap}
.foot p{margin:6px 0 0}
.foot-in>p{margin:0}

.wa-float{position:fixed;right:20px;bottom:20px;z-index:50;width:56px;height:56px;border-radius:50%;background:var(--wa);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(31,168,85,.4)}

/* modal */
.modal{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.modal-bg{position:absolute;inset:0;background:rgba(11,19,32,.6)}
.modal-box{position:relative;background:#fff;border-radius:18px;max-width:980px;width:100%;max-height:calc(100vh - 40px);overflow:auto;display:grid;grid-template-columns:1.1fr 1fr}
.x{position:absolute;right:10px;top:8px;width:40px;height:40px;border:0;background:rgba(255,255,255,.9);border-radius:50%;font-size:28px;line-height:1;cursor:pointer;color:var(--ink);z-index:2}
.m-gal{padding:20px;border-right:1px solid var(--line)}
.m-main{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:#fff}
.m-main{overflow:hidden}
.m-main img{width:100%;height:100%;object-fit:contain}
.m-thumbs{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:12px}
.m-thumbs button{border:1px solid var(--line);border-radius:8px;background:#fff;padding:3px;aspect-ratio:1/1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.m-thumbs button[aria-current]{border-color:var(--blue);box-shadow:0 0 0 2px var(--blue-soft)}
.m-thumbs button{overflow:hidden}
.m-thumbs img{width:100%;height:100%;object-fit:contain}
.m-info{padding:28px}
.m-cat{margin:0;color:var(--blue-d);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.m-info h3{font-size:24px;margin:6px 0 16px}
.m-spec{margin:0;display:grid;gap:0;border-top:1px solid var(--line)}
.m-spec div{display:grid;grid-template-columns:110px 1fr;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.m-spec dt{color:var(--muted);font-weight:600}
.m-spec dd{margin:0;font-weight:600;word-break:break-word}
.m-fh{font-weight:700;margin:18px 0 6px;font-size:14px}
.m-feat{margin:0;padding:0;list-style:none;display:grid;gap:6px}
.m-feat li{position:relative;padding-left:22px;font-size:14px;color:var(--ink2)}
.m-feat li::before{content:"";position:absolute;left:3px;top:7px;width:9px;height:5px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}
.m-note{font-size:13px;color:var(--muted);margin:16px 0 0}
.m-cta{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}

@media (max-width:1024px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .oem{grid-template-columns:repeat(2,1fr)}
  .cats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;gap:0;margin:0;border-bottom:1px solid var(--line);padding:8px 16px}
  .links.open{display:flex}
  .links a{padding:12px 4px;border-bottom:1px solid var(--line)}
  .links a:last-child{border:0}
  .burger{display:flex}
  .nav-r .btn-sm{display:none}
  .hero-in{grid-template-columns:1fr;padding:40px 16px 56px;gap:36px}
  .hero-art{max-width:520px}
  .about,.contact-in{grid-template-columns:1fr;gap:32px}
  .modal-box{grid-template-columns:1fr}
  .m-gal{border-right:0;border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:1fr;border-top:0}
  .steps li{border-top:1px solid var(--line);padding:14px 0;display:grid;grid-template-columns:40px 1fr;column-gap:8px}
  .steps li::before{grid-row:span 2;margin:0}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .section{padding:60px 0}
  .grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .cats{grid-template-columns:1fr}
  .oem{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .form{padding:20px}
  .form .row{grid-template-columns:1fr}
  .search{min-width:0;width:100%}
  .card .pt{font-size:14px}
  .t2,.t4{transform:translateY(16px)}
  .lead{font-size:16px}
}