:root{
  --navy:#0a2540; --blue:#0b6bff; --blue-d:#0849b8; --sky:#eef4ff;
  --ink:#1b2a3d; --grey:#5b6b7d; --line:#e3e9f1; --bg:#f7f9fc; --white:#fff;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;color:var(--ink);background:var(--white)}
a{color:var(--blue);text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
/* draft banner */
.draft-note{background:#fff8e6;border-bottom:1px solid #f0dfa8;color:#7a5c00;font-size:13px;text-align:center;padding:8px 12px}
/* top bar */
.topbar{background:var(--navy);color:#bcd0e8;font-size:13px;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between}
.topbar a{color:#dcebff;margin-left:18px}
/* header */
header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{font-size:26px;font-weight:800;color:var(--navy);letter-spacing:1px}
.logo b{color:var(--blue)}
.menu{display:flex;gap:26px;font-size:15px;font-weight:600}
.menu a{color:var(--ink)}
.menu a:hover{color:var(--blue)}
.cta{background:var(--blue);color:#fff !important;padding:10px 22px;border-radius:6px;font-weight:700}
.cta:hover{background:var(--blue-d)}
/* hero */
.hero{background:linear-gradient(rgba(7,27,48,.82),rgba(10,37,64,.78)),url("assets/hero-main.webp") center/cover no-repeat #0a2540;color:#fff;padding:88px 0 96px;position:relative;overflow:hidden}
.hero h1{font-size:44px;line-height:1.2;max-width:720px}
.hero h1 span{color:#7db4ff}
.hero p{margin:22px 0 34px;font-size:18px;color:#c9d9ef;max-width:640px;line-height:1.7}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{padding:14px 30px;border-radius:8px;font-weight:700;font-size:16px;display:inline-block}
.btn-p{background:var(--blue);color:#fff}
.btn-p:hover{background:#2f86ff}
.btn-o{border:2px solid #5c8cd6;color:#e8f1ff}
.btn-o:hover{border-color:#fff;color:#fff}
/* stats */
.stats{background:var(--white);border:1px solid var(--line);border-radius:14px;margin-top:-46px;position:relative;z-index:5;display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 12px 34px rgba(10,37,64,.08)}
.stat{padding:26px 18px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{display:block;font-size:30px;color:var(--blue);font-weight:800}
.stat span{font-size:13.5px;color:var(--grey)}
/* sections */
section{padding:76px 0}
.sec-tag{color:var(--blue);font-weight:800;font-size:13px;letter-spacing:2px;text-transform:uppercase}
h2{font-size:32px;color:var(--navy);margin:10px 0 14px}
.sub{color:var(--grey);max-width:660px;line-height:1.7;margin-bottom:44px}
/* categories */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--white);transition:.2s}
.cat:hover{border-color:var(--blue);box-shadow:0 8px 24px rgba(11,107,255,.12);transform:translateY(-3px)}
.cat .cimg{height:150px;background:var(--sky);overflow:hidden}
.cat .cimg img{width:100%;height:100%;object-fit:cover;transition:.3s}
.cat:hover .cimg img{transform:scale(1.05)}
.cat .cbody{padding:18px 20px 22px}
.cat h3{font-size:17px;color:var(--navy);margin-bottom:8px}
.cat p{font-size:13.5px;color:var(--grey);line-height:1.6;margin-bottom:14px}
.cat a{font-size:13.5px;font-weight:700}
.sizes-chart{margin-top:44px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#0b1026}
.sizes-chart img{width:100%;display:block}
.sizes-chart figcaption{font-size:13px;color:#aab8d4;text-align:center;padding:12px;background:#0b1026}
/* products */
.alt{background:var(--bg)}
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.prod{background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.2s}
.prod:hover{box-shadow:0 10px 28px rgba(10,37,64,.12)}
.prod .thumb{height:190px;background:#fff;overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center}
.prod .thumb img{width:100%;height:100%;object-fit:cover}
.prod .tag{position:absolute;top:12px;left:12px;background:var(--blue);color:#fff;font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:20px}
.prod .body{padding:18px}
.prod h3{font-size:15.5px;color:var(--navy);margin-bottom:8px;line-height:1.45}
.spec{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.spec i{font-style:normal;font-size:11.5px;background:var(--sky);color:var(--blue-d);padding:3px 9px;border-radius:4px;font-weight:600}
.prod .row{display:flex;justify-content:space-between;align-items:center}
.pn{font-family:Consolas,monospace;font-size:12.5px;color:var(--grey)}
.inq{font-size:13px;font-weight:700;color:var(--blue);border:1.5px solid var(--blue);padding:6px 14px;border-radius:6px}
.inq:hover{background:var(--blue);color:#fff}
/* apps strip */
.apps{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.app{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:16px 10px;text-align:center;font-size:13px;font-weight:600;color:var(--ink)}
.app em{display:block;font-style:normal;font-size:24px;margin-bottom:8px}
/* why */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.wcard{background:var(--white);border-left:4px solid var(--blue);border-radius:8px;padding:24px;box-shadow:0 4px 16px rgba(10,37,64,.06)}
.wcard h3{color:var(--navy);font-size:17px;margin-bottom:10px}
.wcard p{font-size:14px;color:var(--grey);line-height:1.7}
.factory-strip{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:34px}
.factory-strip img{width:100%;height:280px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.factory-strip .cap{position:relative}
.factory-strip .cap span{position:absolute;left:16px;bottom:14px;background:rgba(10,37,64,.85);color:#fff;font-size:13px;font-weight:600;padding:6px 14px;border-radius:6px}
/* inquiry */
.inquiry{background:var(--navy);color:#fff}
.inquiry .sec-tag{color:#7db4ff}
.inquiry h2{color:#fff}
.inquiry .sub{color:#a9bdd8}
.igrid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:30px}
.form h3{font-size:19px;margin-bottom:20px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border-radius:8px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.92);font-size:14px;color:var(--ink)}
.form textarea{height:110px;resize:vertical}
.form label{display:block;font-size:12.5px;margin-bottom:6px;color:#c4d5ec;font-weight:600}
.fsub{width:100%;background:var(--blue);color:#fff;border:none;padding:14px;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer}
.fsub:hover{background:#2f86ff}
.contact-list li{list-style:none;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14.5px;color:#c9d9ef;display:flex;gap:12px;align-items:center}
/* footer */
footer{background:#071b30;color:#8fa6c0;font-size:13.5px;padding:44px 0}
.fcols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
footer h4{color:#fff;font-size:14.5px;margin-bottom:14px}
footer li{list-style:none;margin-bottom:9px}
footer a{color:#8fa6c0}
footer a:hover{color:#fff}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;text-align:center;font-size:12.5px}
@media(max-width:900px){
  .cats,.prods{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .apps{grid-template-columns:repeat(3,1fr)}
  .why,.igrid,.fcols{grid-template-columns:1fr}
  .menu{display:none}
  .hero h1{font-size:32px}
}