/*
Theme Name: BJB Lean
Description: Lightweight replica of bjbaojietong.com - pure PHP templates + CSS, no page builder, no Astra/Elementor.
Version: 1.1
Author: WorkBuddy
*/

:root{
  --gold:#ffc03d;      /* ast-global-color-0 */
  --gold2:#f8b526;     /* ast-global-color-1 hover */
  --blue:#212d45;      /* ast-global-color-2 headings */
  --blue2:#141c2d;
  --text:#4b4f58;      /* ast-global-color-3 body */
  --muted:#777;
  --line:#ececec;
  --bg-soft:#F2F5F7;   /* ast-global-color-6 */
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
a{color:var(--blue);}
h1,h2,h3,h4,h5{color:var(--blue);font-weight:700;}

/* ---------- Header (transparent over hero) ---------- */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 40px;color:#fff;
}
.site-header .logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:1px;color:#fff;text-decoration:none;}
.site-header .logo img{height:34px;width:auto;}
.site-nav{display:flex;gap:28px;}
.site-nav a{color:#fff;text-decoration:none;font-size:15px;opacity:.92;}
.site-nav a:hover{opacity:1;color:var(--gold);}
.site-nav a.active{font-weight:700;color:var(--gold);}

/* ---------- Hero (shared) ---------- */
.bjb-hero{
  position:relative;background-size:cover;background-position:center;background-repeat:no-repeat;
  min-height:560px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;
  padding:140px 20px 80px;margin:0;
}
.bjb-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(33,45,69,.52), rgba(20,28,45,.8));}
.bjb-hero-inner{position:relative;z-index:1;max-width:900px;}
.bjb-hero-title{margin:0;font-size:46px;font-weight:700;letter-spacing:.5px;color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.4);line-height:1.25;}
.bjb-hero-sub{margin:14px 0 0;font-size:16px;opacity:.92;letter-spacing:2px;}
.bjb-hero-eyebrow{font-size:16px;font-weight:600;letter-spacing:3px;color:var(--gold);margin:0 0 12px;text-transform:uppercase;}
.bjb-hero-desc{font-size:16px;line-height:1.8;margin:18px auto 28px;max-width:760px;opacity:.95;}

/* ---------- Buttons ---------- */
.bjb-btn{display:inline-block;padding:13px 32px;border-radius:3px;font-size:14px;font-weight:700;letter-spacing:.5px;text-decoration:none;margin:6px;transition:.2s;text-transform:uppercase;}
.bjb-btn.primary{background:var(--gold);color:var(--blue);}
.bjb-btn.primary:hover{background:var(--gold2);}
.bjb-btn.ghost{background:transparent;border:2px solid #fff;color:#fff;}
.bjb-btn.ghost:hover{background:rgba(255,255,255,.15);}

/* ---------- Generic section ---------- */
.section{max-width:1200px;margin:0 auto;padding:72px 20px;}
.section h2{font-size:34px;text-align:center;margin:0 0 10px;color:var(--blue);}
.section h2.light{color:#fff;}
.section .lead{text-align:center;color:var(--muted);margin:0 auto 40px;font-size:16px;max-width:720px;}
.section .lead.light{color:rgba(255,255,255,.85);}
.eyebrow{text-align:center;font-size:14px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--gold2);margin:0 0 6px;}
.eyebrow.light{color:var(--gold);}

/* ---------- Home stats ---------- */
.home-stats{padding-bottom:56px;}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;margin:34px 0 20px;}
.stat .num{font-size:44px;font-weight:800;color:var(--blue);line-height:1.1;}
.stat .label{color:var(--muted);font-size:14px;margin-top:6px;}

/* ---------- Category cards ---------- */
.cat-wrap{background:var(--bg-soft);}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:38px;}
.cat-card{display:flex;flex-direction:column;background:#fff;border-radius:10px;overflow:hidden;text-decoration:none;color:var(--text);box-shadow:0 3px 14px rgba(33,45,69,.06);transition:box-shadow .25s,transform .25s;}
.cat-card:hover{box-shadow:0 14px 32px rgba(33,45,69,.16);transform:translateY(-5px);}
.cat-img{aspect-ratio:16/10;overflow:hidden;background:#f3f3f3;}
.cat-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s;}
.cat-card:hover .cat-img img{transform:scale(1.05);}
.cat-body{padding:20px 22px 24px;}
.cat-body h3{margin:0 0 8px;font-size:19px;color:var(--blue);}
.cat-body p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.65;}

/* ---------- Quality / sustainability ---------- */
.quality{position:relative;background-size:cover;background-position:center;padding:88px 20px;}
.quality::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg, rgba(20,28,45,.88), rgba(33,45,69,.66));}
.quality-inner{position:relative;z-index:1;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center;}
.quality-text .eyebrow{text-align:left;}
.quality-text h2{color:#fff;font-size:32px;margin:0 0 16px;}
.quality-text .q-desc{color:rgba(255,255,255,.88);font-size:16px;line-height:1.8;margin:0 0 26px;}
.quality-card{background:rgba(255,255,255,.97);border-radius:10px;padding:32px 34px;}
.quality-card h3{margin:0 0 16px;font-size:21px;}
.q-list{list-style:none;margin:0;padding:0;}
.q-list li{padding:9px 0 9px 30px;position:relative;color:var(--text);border-bottom:1px dashed var(--line);}
.q-list li:last-child{border-bottom:none;}
.q-list li::before{content:"\2713";position:absolute;left:0;color:var(--gold2);font-weight:700;}

/* ---------- Markets ---------- */
.markets{position:relative;background-size:cover;background-position:center;}
.markets::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(33,45,69,.9), rgba(20,28,45,.85));}
.markets .section{position:relative;z-index:1;}
.market-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:38px;}
.market-card{position:relative;border-radius:10px;overflow:hidden;background-size:cover;background-position:center;min-height:300px;display:flex;align-items:flex-end;}
.market-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(20,28,45,0) 30%, rgba(20,28,45,.9));}
.market-body{position:relative;z-index:1;padding:24px;color:#fff;}
.market-body h3{color:#fff;margin:0 0 6px;font-size:20px;}
.market-body p{margin:0;font-size:14px;color:rgba(255,255,255,.85);}

/* ---------- Products grid (reused from shortcode) ---------- */
.bjb-products-grid{display:grid;grid-template-columns:repeat(var(--bjb-cols,3),1fr);gap:24px;max-width:1200px;margin:36px auto 30px;padding:0 16px;}
.bjb-product-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;color:#222;transition:box-shadow .2s ease,transform .2s ease;}
.bjb-product-card:hover{box-shadow:0 10px 28px rgba(0,0,0,.12);transform:translateY(-4px);}
.bjb-pc-img{aspect-ratio:4/3;background:#f5f5f5;overflow:hidden;}
.bjb-pc-img img{width:100%;height:100%;object-fit:cover;display:block;}
.bjb-pc-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#bbb;font-weight:600;padding:12px;text-align:center;}
.bjb-pc-title{margin:14px 16px 6px;font-size:17px;color:#1a1a1a;line-height:1.4;}
.bjb-pc-ex{margin:0 16px 12px;color:#666;font-size:13px;line-height:1.6;}
.bjb-pc-more{margin:auto 16px 16px;color:var(--gold2);font-size:13px;font-weight:600;}
.bjb-products-empty{text-align:center;color:#999;padding:48px 0;}

/* ---------- Testimonials ---------- */
.testi-wrap{background:var(--bg-soft);}
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:38px;}
.testi-card{background:#fff;border-radius:10px;padding:28px 30px;box-shadow:0 3px 14px rgba(33,45,69,.06);}
.t-quote{margin:0 0 20px;font-size:15.5px;line-height:1.8;color:var(--text);font-style:italic;}
.t-person{display:flex;align-items:center;gap:14px;}
.t-person img{width:52px;height:52px;border-radius:50%;object-fit:cover;}
.t-person strong{display:block;color:var(--blue);font-size:15px;}
.t-person span{font-size:13px;color:var(--muted);}

/* ---------- Quote CTA ---------- */
.quote-cta{position:relative;background-size:cover;background-position:center;padding:96px 20px;text-align:center;}
.quote-cta::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(33,45,69,.82), rgba(20,28,45,.9));}
.quote-inner{position:relative;z-index:1;max-width:760px;margin:0 auto;color:#fff;}
.quote-inner h2{color:#fff;font-size:34px;margin:0 0 14px;}
.quote-inner p{font-size:16px;color:rgba(255,255,255,.88);margin:0 0 28px;}

/* ---------- FAQ ---------- */
.faq .eyebrow{margin-bottom:0;}
.faq-list{max-width:820px;margin:36px auto 0;}
.faq-list details{border:1px solid var(--line);border-radius:8px;margin-bottom:14px;background:#fff;overflow:hidden;}
.faq-list summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--blue);font-size:16px;list-style:none;position:relative;}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--gold2);font-weight:400;}
.faq-list details[open] summary::after{content:"\2212";}
.faq-list details p{margin:0;padding:0 22px 18px;color:var(--muted);font-size:15px;line-height:1.75;}

/* ---------- Services grid ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:box-shadow .2s,transform .2s;}
.svc-card:hover{box-shadow:0 10px 28px rgba(0,0,0,.10);transform:translateY(-4px);}
.svc-card .svc-img{aspect-ratio:16/10;background:#f3f3f3;overflow:hidden;}
.svc-card .svc-img img{width:100%;height:100%;object-fit:cover;display:block;}
.svc-card .body{padding:18px 20px 22px;}
.svc-card h3{margin:0 0 8px;font-size:18px;color:var(--blue);}
.svc-card p{color:#666;font-size:14px;line-height:1.6;margin:0 0 12px;}
.svc-card a{color:var(--gold2);font-weight:600;font-size:13px;text-decoration:none;}

/* ---------- Clients strip ---------- */
.clients{background:#f7f8fa;padding:44px 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.clients .clients-track{display:flex;gap:48px;justify-content:center;align-items:center;flex-wrap:wrap;max-width:1100px;margin:0 auto;}
.clients img{height:42px;width:auto;opacity:.65;transition:.2s;}
.clients img:hover{opacity:1;}

/* ---------- About page ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.mini-card{background:#fafbfc;border:1px solid var(--line);border-radius:10px;padding:26px 24px;}
.mini-card h3{margin:0 0 10px;color:var(--blue);font-size:19px;}
.mini-card p{margin:0;color:#555;font-size:14px;line-height:1.7;}
.principles{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:14px 32px;max-width:760px;}
.principles li{padding-left:26px;position:relative;color:#444;}
.principles li::before{content:"\2713";position:absolute;left:0;color:var(--gold2);font-weight:700;}
.about-intro{display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:center;}
.about-intro img{width:100%;border-radius:12px;}

/* ---------- Contact page ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.contact-detail h3{margin:0 0 6px;color:var(--blue);}
.contact-detail p{margin:0 0 22px;font-size:17px;color:#333;}
.contact-detail .label{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:4px;}
.cform label{display:block;font-size:14px;margin:0 0 6px;color:#333;}
.cform input,.cform textarea{width:100%;padding:11px 12px;border:1px solid #d6d6d6;border-radius:6px;font-size:14px;margin-bottom:16px;font-family:inherit;}
.cform textarea{min-height:120px;resize:vertical;}
.cform .note{font-size:13px;color:var(--muted);margin-top:8px;}

/* ---------- Footer (3-column dark, like the old site) ---------- */
.site-footer{background:var(--blue2);color:#ccc;padding:56px 20px 0;margin-top:0;font-size:14px;}
.f-cols{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-bottom:40px;}
.f-col h4{color:#fff;font-size:17px;margin:0 0 16px;}
.f-col p{margin:0 0 14px;color:#bbb;line-height:1.7;}
.f-col .wa-btn{display:inline-block;background:var(--gold);color:var(--blue);font-weight:700;padding:11px 26px;border-radius:3px;text-decoration:none;font-size:13px;letter-spacing:.5px;}
.f-col .wa-btn:hover{background:var(--gold2);}
.f-hours li{list-style:none;padding:4px 0;color:#bbb;}
.f-hours{margin:0;padding:0;}
.f-contact a,.f-contact span{color:#ccc;text-decoration:none;display:block;padding:4px 0;}
.f-contact a:hover{color:var(--gold);}
.f-bottom{border-top:1px solid rgba(255,255,255,.08);text-align:center;padding:20px;color:#888;font-size:13px;max-width:1200px;margin:0 auto;}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .svc-grid,.cards-3,.cat-grid,.market-grid{grid-template-columns:repeat(2,1fr);}
  .about-intro,.contact-grid,.quality-inner,.testi-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .f-cols{grid-template-columns:1fr;}
}
@media(max-width:600px){
  .site-header{flex-direction:column;gap:10px;padding:14px 16px;}
  .site-nav{gap:16px;flex-wrap:wrap;justify-content:center;}
  .bjb-hero{min-height:420px;padding:130px 16px 52px;}
  .bjb-hero-title{font-size:28px;}
  .bjb-products-grid{grid-template-columns:repeat(2,1fr);}
  .svc-grid,.cards-3,.cat-grid,.market-grid{grid-template-columns:1fr;}
  .section{padding:52px 16px;}
  .quality{padding:64px 16px;}
}
@media(max-width:420px){
  .bjb-products-grid{grid-template-columns:1fr;}
}