/* Wellele static site — light, fast, B2B industrial */
:root{
  --blue:#0b3d6b; --blue-2:#0f4f8a; --ink:#1f2733; --muted:#5b6675;
  --line:#e2e8f0; --bg:#ffffff; --bg-2:#f5f8fc; --accent:#f08a24; --accent-2:#e07a16;
  --ok:#1a7f54; --radius:10px; --maxw:1180px;
  --shadow:0 1px 3px rgba(16,32,56,.08),0 6px 18px rgba(16,32,56,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
a{color:var(--blue-2);text-decoration:none}
a:hover{color:var(--accent-2)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{line-height:1.25;color:var(--blue);margin:1.4em 0 .5em;font-weight:700}
h1{font-size:clamp(26px,3.4vw,38px);margin-top:.2em}
h2{font-size:clamp(20px,2.4vw,26px);border-left:4px solid var(--accent);padding-left:12px}
h3{font-size:19px}
p{margin:.6em 0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 18px}
.lead{font-size:18px;color:var(--muted);max-width:62ch}
.small{font-size:14px;color:var(--muted)}

/* Header / nav */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--blue);font-size:19px;letter-spacing:.3px}
.brand .mark{width:30px;height:30px;border-radius:7px;background:linear-gradient(135deg,var(--blue),var(--accent));display:inline-block}
.nav-links{display:flex;gap:4px;align-items:center;list-style:none;margin:0;padding:0}
.nav-links li{position:relative}
.nav-links a{padding:9px 13px;border-radius:8px;font-weight:600;color:var(--ink);font-size:15px}
.nav-links a:hover{background:var(--bg-2)}
.nav-links .has-sub>a::after{content:"▾";font-size:10px;margin-left:5px;color:var(--muted)}
.submenu{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:var(--shadow);padding:8px;display:none}
.nav-links li:hover .submenu{display:block}
.submenu a{display:block;padding:9px 12px;border-radius:8px;font-weight:500}
.cta-btn{background:var(--accent);color:#fff!important;padding:9px 16px;border-radius:8px;font-weight:700}
.cta-btn:hover{background:var(--accent-2)}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--blue)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;padding:54px 0}
.hero h1{color:#fff}
.hero .lead{color:#dce8f5}
.hero .badges{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.badge{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:6px 12px;border-radius:999px;font-size:13px}

/* Breadcrumb */
.crumbs{font-size:13px;color:var(--muted);padding:14px 0 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--blue-2)}

/* Grids / cards */
.grid{display:grid;gap:18px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:.15s}
.card:hover{transform:translateY(-3px);border-color:#cfe0f2}
.card h3{margin-top:0;font-size:17px}
.card h3 a{color:var(--blue)}
.card .meta{font-size:13px;color:var(--muted);margin-top:6px}
.card .tags{margin-top:10px;display:flex;gap:6px;flex-wrap:wrap}
.tag{background:var(--bg-2);border:1px solid var(--line);color:var(--muted);font-size:12px;padding:3px 9px;border-radius:999px}

/* Product layout */
.prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;margin-top:8px}
.prod-media{position:sticky;top:80px}
.prod-media img{border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.prod-body{max-width:760px}
table.spec{width:100%;border-collapse:collapse;margin:10px 0 18px;font-size:15px}
table.spec th,table.spec td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
table.spec th{background:var(--bg-2);width:38%;color:var(--ink);font-weight:600}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:10px 0}
.faq-item h4{margin:0 0 4px;font-size:16px;color:var(--ink)}
.faq-item p{margin:0;color:var(--muted)}

/* CTA band */
.cta-band{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:26px 0;display:flex;gap:18px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.cta-band h3{margin:0}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:700;padding:11px 20px;border-radius:9px}
.btn:hover{background:var(--accent-2);color:#fff}
.btn.ghost{background:#fff;color:var(--blue);border:1px solid var(--line)}

/* Footer */
.site-footer{background:var(--blue);color:#dce8f5;margin-top:54px;padding:40px 0 26px;font-size:14px}
.site-footer a{color:#cfe0f2}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:26px}
.foot-grid h4{color:#fff;margin-top:0;font-size:15px}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-grid li{margin:7px 0}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:24px;padding-top:16px;color:#a9c2dd;font-size:13px}

/* Mobile */
@media (max-width:900px){
  .burger{display:block}
  .nav-links{position:fixed;inset:62px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;
    padding:10px;border-bottom:1px solid var(--line);display:none;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .submenu{position:static;box-shadow:none;border:0;padding:4px 0 4px 14px;display:none}
  .nav-links li:hover .submenu{display:block}
  .grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:1fr}
  .prod-media{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}

/* Language switcher (injected by inject_lang_switcher.py) */
.nav-links .lang-item{margin-left:8px;display:flex;align-items:center}
.nav-links .lang-item .lang-switcher{display:flex;gap:3px;align-items:center;padding-left:10px;border-left:1px solid var(--line)}
.nav-links .lang-item .lang-link{width:25px;height:25px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:var(--ink);background:var(--bg-2);text-decoration:none;line-height:1;
  border:1px solid var(--line);padding:0;box-sizing:border-box}
.nav-links .lang-item .lang-link:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.nav-links .lang-item .lang-link.active{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 0 0 2px rgba(37,99,235,.22)}
@media (max-width:900px){
  .nav-links .lang-item{margin-left:0;border-top:1px solid var(--line);margin-top:6px;padding-top:8px;display:block}
  .nav-links .lang-item .lang-switcher{border-left:0;padding-left:0;flex-wrap:wrap;gap:6px;padding:2px 4px}
  .nav-links .lang-item .lang-link{width:30px;height:30px;font-size:11px}
}

/* Homepage — B2B manufacturer (not catalog) */
.home-main{padding-top:0}
.hero.hero-split{padding:56px 0 48px}
.hero-split-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:42px;align-items:center}
.hero-kicker{display:inline-block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#f3c48a;font-weight:700;margin-bottom:10px}
.hero.hero-split h1{margin:.1em 0 .4em;max-width:18ch}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.hero-media{position:relative}
.hero-media img{width:100%;height:370px;object-fit:cover;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:#092844}
.hero-caption{position:absolute;left:12px;bottom:12px;background:rgba(11,61,107,.88);color:#fff;font-size:12px;padding:7px 11px;border-radius:8px}
/* Hero factory video — responsive 16:9 YouTube embed */
.video-embed{position:relative;width:100%;height:0;padding-bottom:56.25%;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.2);background:#092844}
.video-embed iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}
.trust-bar{background:#fff;border-bottom:1px solid var(--line)}
.trust-bar .container{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:18px 18px}
.trust-item{text-align:center;padding:8px 6px}
.trust-item strong{display:block;color:var(--blue);font-size:15px}
.trust-item span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
.section{padding:46px 0 8px}
.section.alt{background:var(--bg-2);margin:36px 0 0;padding:46px 0 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:68ch;margin-bottom:22px}
.section-head p{color:var(--muted)}
.factory-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:22px;align-items:stretch}
.factory-card img{width:100%;height:220px;object-fit:cover;border-radius:10px;border:1px solid var(--line);margin-bottom:12px;background:#eef3f8}
.proof-card{display:flex;gap:14px;align-items:flex-start}
.proof-card img{width:72px;height:72px;object-fit:contain;border:1px solid var(--line);border-radius:10px;background:#fff;padding:6px;flex-shrink:0}
.media-card{padding:0;overflow:hidden}
.media-card img{width:100%;height:168px;object-fit:cover;background:#f3f6fa}
.media-card .pad{padding:16px 16px 18px}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:step}
.process .card{position:relative;padding-top:20px}
.process .card::before{counter-increment:step;content:counter(step);position:absolute;top:-12px;left:16px;background:var(--accent);color:#fff;width:26px;height:26px;border-radius:50%;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center}
.cert-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.cert-row img{width:72px;height:72px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px}
.quote-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.quote-box ul{margin:8px 0 0;padding-left:18px}
.quote-box li{margin:6px 0;color:var(--muted)}
.home-faq details{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:10px 0;background:#fff}
.home-faq summary{cursor:pointer;font-weight:700;color:var(--blue)}
.home-faq details p{margin:8px 0 0;color:var(--muted)}
.btn.whatsapp{background:#1a7f54}
.btn.whatsapp:hover{background:#166846;color:#fff}
@media (max-width:900px){
  .hero-split-grid,.factory-grid{grid-template-columns:1fr}
  .hero-media img{height:240px}
  .trust-bar .container{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .trust-bar .container,.process{grid-template-columns:1fr}
}