/* PEGAVIDA WEBSITE V2 FINAL · shared production stylesheet */
:root{
  --red:#ef0018;--red-dark:#ca0014;--navy:#0d3f76;--ink:#22252a;
  --muted:#6f747b;--line:#e9eaec;--soft:#f7f7f5;--green:#1fa463;--white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}
button,input{font:inherit}
img{max-width:100%}

/* Header / navigation */
.topbar{display:none}
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #efefef;box-shadow:0 2px 18px rgba(13,63,118,.06)}
.header-in{max-width:1240px;margin:auto;height:88px;padding:0 20px;display:flex;align-items:center;gap:24px}
.brandmark img{height:52px;max-width:225px;object-fit:contain;display:block}
.nav{margin-left:auto;display:flex;align-items:center;gap:30px;font-size:14px;font-weight:700;color:var(--navy)}
.nav a:hover{color:var(--red)}
.lang{display:flex;border:1px solid #e4e4e4;border-radius:999px;overflow:hidden;margin-left:8px}
.lang a{padding:8px 11px;font-size:12px}
.lang a.active{background:var(--red);color:#fff}

/* Shared sections */
section{padding:78px 20px}
.wrap{max-width:1200px;margin:auto}
.eyebrow{color:var(--red);font-size:12px;letter-spacing:1.5px;font-weight:900;text-transform:uppercase}
.sec-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
.sec-head h2{font-size:39px;margin:6px 0 0;letter-spacing:-1px}
.sec-head p{max-width:560px;color:var(--muted);line-height:1.65;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border-radius:999px;font-weight:800;border:1px solid transparent;cursor:pointer}
.btn-red{background:var(--red);color:#fff}
.btn-light{background:#fff;border-color:#d7d7d7}

/* Categories / catalog */
.categories{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat{min-height:230px;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:24px;padding:26px;position:relative;overflow:hidden;background:#fff;transition:.2s}
.cat:nth-child(even){border-top-color:var(--navy)}
.cat:hover{transform:translateY(-3px);box-shadow:0 14px 35px rgba(0,0,0,.05)}
.cat strong{font-size:23px}
.cat ul{padding-left:18px;line-height:1.9;color:var(--muted);font-size:14px}
.cat:after{content:"";position:absolute;width:140px;height:140px;border-radius:50%;right:-45px;bottom:-55px;background:rgba(238,0,24,.05)}
.products-section{background:#fafafa}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.search{flex:1;min-width:240px;border:1px solid #ddd;background:#fff;border-radius:999px;padding:13px 17px}
.chip{border:1px solid #ddd;background:#fff;padding:10px 13px;border-radius:999px;cursor:pointer;font-size:13px}
.chip.active{background:var(--red);color:#fff;border-color:var(--red)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid #eee;border-top:3px solid transparent;border-radius:22px;overflow:hidden;transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.07);border-top-color:var(--red)}
.card-media{height:340px;background:#fff;display:flex;align-items:center;justify-content:center;padding:18px}
.card-media img{width:100%;height:100%;object-fit:contain}
.card-body{padding:17px}
.code{font-size:12px;color:var(--red);font-weight:900}
.card h3{margin:6px 0;font-size:21px}
.sub{font-size:12px;color:var(--navy);font-weight:800}
.card p{color:var(--muted);font-size:14px;line-height:1.5}

/* Product detail pages */
.product-hero{background:var(--soft);padding:48px 20px}
.product-top{max-width:1200px;margin:auto;display:grid;grid-template-columns:1.05fr .95fr;gap:45px;align-items:start}
.gallery-main{background:#fff;border:1px solid var(--line);border-radius:26px;height:560px;padding:28px;display:flex;align-items:center;justify-content:center}
.gallery-main img{max-width:100%;max-height:100%;object-fit:contain}
.thumbs{display:flex;gap:10px;margin-top:12px;overflow:auto}
.thumb{width:92px;height:92px;border:1px solid var(--line);border-radius:14px;background:#fff;padding:7px;cursor:pointer;flex:0 0 auto}
.thumb img{width:100%;height:100%;object-fit:contain}
.thumb.active{border:2px solid var(--red)}
.spec h1{font-size:43px;line-height:1.05;margin:8px 0 11px}
.tagline{font-size:17px;color:var(--muted);line-height:1.6}
.spec-table{margin:25px 0;border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:145px 1fr;gap:15px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
.row b{color:var(--muted)}
.inquiry{display:flex;gap:10px;flex-wrap:wrap}
.btn-wa{background:var(--green);color:#fff}
.btn-mail{background:#fff;border-color:#ccc}
.section-title{max-width:900px;margin:0 auto 24px;font-size:34px}
.download-box{max-width:900px;margin:0 auto 40px;padding:22px;border:1px solid var(--line);border-radius:22px;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:20px}
.detail-wrap{max-width:900px;margin:auto}
.detail-wrap img{display:block;width:100%;height:auto}
.related{background:var(--soft)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}

/* CTA / footer */
.b2b{background:linear-gradient(110deg,var(--red) 0%,var(--red-dark) 78%,var(--navy) 140%);color:#fff}
.b2b .wrap{display:flex;align-items:center;justify-content:space-between;gap:25px}
.b2b h2{font-size:38px;margin:0 0 8px}
.b2b p{margin:0;opacity:.92}
.footer{background:#111;color:#bbb;padding:38px 20px;border-top:5px solid var(--red)}
.footer-in{max-width:1200px;margin:auto;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer b{color:#fff}
.float-mail{position:fixed;right:16px;bottom:18px;z-index:45;background:var(--red);color:#fff;border-radius:999px;padding:13px 17px;font-weight:900;box-shadow:0 8px 24px rgba(0,0,0,.2)}

/* Responsive */
@media(max-width:900px){
  .header-in{height:74px}.brandmark img{height:42px}.nav{display:none}
  .categories{grid-template-columns:1fr 1fr}.grid{grid-template-columns:1fr 1fr}
  .product-top{grid-template-columns:1fr}.gallery-main{height:470px}.related-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .header-in{height:66px}.brandmark img{height:36px}
  section{padding:56px 15px}.sec-head{display:block}.sec-head h2{font-size:31px;margin-bottom:8px}
  .categories{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr;gap:10px}
  .card-media{height:220px;padding:10px}.card-body{padding:12px}.card h3{font-size:16px}
  .gallery-main{height:390px;padding:16px}.spec h1{font-size:34px}.row{grid-template-columns:110px 1fr}
  .related-grid{grid-template-columns:1fr 1fr}.download-box{display:block}.download-box .btn{margin-top:14px}
  .b2b .wrap{display:block}.b2b .btn{margin-top:18px}
}