/* ============ ProductKeyBD Theme ============ */
:root{
  --brand-green:#16a34a;--brand-green-dark:#0f7a37;
  --brand-red:#dc2626;--brand-red-dark:#a41a1a;
  --bg:#fafafa;--fg:#0a0a0a;--muted:#737373;--border:#e5e7eb;--card:#fff;
  --radius:.5rem;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.55}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:6px;font-weight:600;cursor:pointer;border:0;transition:all .15s;text-decoration:none}
.btn-green{background:var(--brand-green);color:#fff}.btn-green:hover{background:var(--brand-green-dark)}
.btn-red{background:var(--brand-red);color:#fff}.btn-red:hover{background:var(--brand-red-dark)}
.btn-white{background:#fff;color:var(--brand-green)}.btn-outline{background:transparent;border:1px solid var(--border)}

/* Top bar */
.topbar{background:var(--brand-red);color:#fff;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;gap:12px}
.topbar a{font-weight:600;display:inline-flex;align-items:center;gap:4px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.04);border-bottom:1px solid var(--border)}
.header-main{display:flex;align-items:center;gap:16px;padding:12px 16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{width:40px;height:40px;background:var(--brand-green);color:#fff;font-weight:800;font-size:20px;border-radius:8px;display:flex;align-items:center;justify-content:center}
.brand-name{font-weight:700;font-size:18px;color:var(--brand-green);line-height:1.1}
.brand-name span{color:var(--brand-red)}
.brand-sub{font-size:10px;color:var(--muted)}
.search-form{flex:1;max-width:480px;position:relative;display:flex}
.search-form input{width:100%;padding:9px 40px 9px 14px;border:1px solid var(--border);border-radius:6px;font-size:14px;outline:none}
.search-form input:focus{border-color:var(--brand-green)}
.search-form button{position:absolute;right:0;top:0;height:100%;padding:0 12px;background:transparent;border:0;color:var(--brand-green);cursor:pointer}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.cart-btn{position:relative;background:var(--brand-green);color:#fff;padding:8px 14px;border-radius:6px;display:inline-flex;align-items:center;gap:6px;font-size:14px}
.cart-count{position:absolute;top:-6px;right:-6px;background:var(--brand-red);color:#fff;font-size:11px;border-radius:999px;min-width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-weight:700;padding:0 4px}
.menu-toggle{display:none;background:transparent;border:0;cursor:pointer;padding:6px}
.main-nav{border-top:1px solid var(--border);background:#f9fafb}
.main-nav ul{margin:0;padding:8px 16px;list-style:none;display:flex;gap:24px;overflow-x:auto;font-size:14px;font-weight:500}
.main-nav a{white-space:nowrap}
.main-nav a:hover{color:var(--brand-green)}
@media(max-width:768px){
  .search-form{display:none}
  .menu-toggle{display:inline-flex}
  .main-nav{display:none}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:8px;padding:12px 16px}
  .mobile-search{padding:12px 16px;background:#f9fafb;border-top:1px solid var(--border)}
  .mobile-search .search-form{display:flex}
}

/* Hero */
.hero{background:linear-gradient(135deg,var(--brand-green),var(--brand-green-dark));color:#fff}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;padding:60px 16px}
@media(max-width:768px){.hero-inner{grid-template-columns:1fr;padding:36px 16px}}
.hero-badge{display:inline-block;background:var(--brand-red);padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;margin-bottom:16px}
.hero h1{font-size:44px;font-weight:800;line-height:1.15;margin:0 0 16px}
@media(max-width:768px){.hero h1{font-size:30px}}
.hero p{font-size:17px;opacity:.95;margin:0 0 24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-img{border-radius:12px;box-shadow:0 20px 40px rgba(0,0,0,.2)}

/* Slider */
.slider{position:relative;overflow:hidden}
.slides{display:flex;transition:transform .5s ease}
.slide{min-width:100%;position:relative}
.slide-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:40px;color:#fff;background:linear-gradient(90deg,rgba(0,0,0,.55),transparent)}
.slide-content h2{font-size:36px;margin:0 0 10px}
.slide-dots{position:absolute;bottom:12px;left:0;right:0;display:flex;justify-content:center;gap:6px}
.slide-dot{width:10px;height:10px;border-radius:999px;background:rgba(255,255,255,.5);border:0;cursor:pointer}
.slide-dot.active{background:#fff}

/* Trust bar */
.trust{background:#fff;border-bottom:1px solid var(--border)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:24px 16px}
@media(max-width:640px){.trust-grid{grid-template-columns:repeat(2,1fr)}}
.trust-item{display:flex;gap:12px;align-items:center}
.trust-icon{width:40px;height:40px;border-radius:999px;background:rgba(22,163,74,.12);color:var(--brand-green);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.trust-item strong{display:block;font-size:14px}.trust-item small{color:var(--muted);font-size:12px}

/* Sections */
.section{padding:40px 0}
.section h2{text-align:center;font-size:28px;margin:0 0 24px}
.section h2 .accent-green{color:var(--brand-green)}
.section h2 .accent-red{color:var(--brand-red)}
.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:16px}
.section-head h2{margin:0;font-size:22px;text-align:left}
.view-all{color:var(--brand-green);font-weight:600;font-size:14px}
.view-all:hover{text-decoration:underline}
.badge-popular{display:inline-block;background:var(--brand-red);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px;margin-left:8px;vertical-align:middle;font-weight:700}

/* Category cards */
.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
@media(max-width:768px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
.cat-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:20px;text-align:center;transition:all .15s}
.cat-card:hover{border-color:var(--brand-green);box-shadow:0 4px 12px rgba(0,0,0,.06)}
.cat-icon{width:48px;height:48px;margin:0 auto;border-radius:999px;background:rgba(22,163,74,.12);color:var(--brand-green);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px}
.cat-card-name{margin-top:10px;font-weight:600;font-size:14px}

/* Product cards */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:900px){.prod-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.prod-grid{grid-template-columns:repeat(2,1fr)}}
.prod-card{background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .15s}
.prod-card:hover{box-shadow:0 6px 16px rgba(0,0,0,.08)}
.prod-thumb{position:relative;aspect-ratio:1;background:#f5f5f5;overflow:hidden}
.prod-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.prod-card:hover .prod-thumb img{transform:scale(1.05)}
.pkg-badge{position:absolute;top:8px;left:8px;background:var(--brand-green);color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:4px}
.prod-body{padding:12px;display:flex;flex-direction:column;flex:1}
.prod-name{font-size:14px;font-weight:500;line-height:1.35;min-height:38px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prod-name:hover{color:var(--brand-green)}
.prod-price{margin-top:8px;display:flex;align-items:baseline;gap:6px}
.prod-price small{color:var(--muted);font-size:12px}
.prod-price strong{color:var(--brand-green);font-size:18px}
.prod-btn{margin-top:12px;display:block;text-align:center;background:var(--brand-green);color:#fff;padding:8px;border-radius:4px;font-size:13px;font-weight:600}
.prod-btn:hover{background:var(--brand-green-dark)}

/* Video */
.video-wrap{max-width:820px;margin:0 auto;aspect-ratio:16/9;border-radius:12px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.1);border:1px solid var(--border)}
.video-wrap iframe{width:100%;height:100%;border:0}

/* Reseller CTA */
.reseller{background:var(--brand-red);color:#fff;margin-top:40px}
.reseller-inner{text-align:center;padding:40px 16px}
.reseller h3{font-size:28px;margin:0 0 8px}

/* Footer */
.site-footer{margin-top:48px;background:#171717;color:#d4d4d4}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:48px 16px}
@media(max-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{color:#fff;font-size:15px;margin:0 0 12px}
.footer-grid ul{list-style:none;margin:0;padding:0;font-size:14px}
.footer-grid li{padding:4px 0;display:flex;align-items:center;gap:6px}
.footer-grid a:hover{color:var(--brand-green)}
.footer-brand-name{font-size:20px;color:#fff;font-weight:700;margin-bottom:8px}
.footer-brand-name span:first-child{color:var(--brand-red)}.footer-brand-name span:last-child{color:var(--brand-green)}
.footer-bottom{border-top:1px solid #262626;padding:16px;text-align:center;font-size:12px;color:#737373}

/* Product single */
.breadcrumb{padding:16px;font-size:13px;color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-green)}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:0 16px}
@media(max-width:768px){.product-detail{grid-template-columns:1fr}}
.product-gallery{background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px}
.product-gallery img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:6px}
.product-info h1{font-size:28px;margin:0 0 8px}
.price-big{display:flex;align-items:baseline;gap:12px;margin:16px 0}
.price-big .now{font-size:32px;font-weight:700;color:var(--brand-green)}
.price-big .old{font-size:18px;color:var(--muted);text-decoration:line-through}
.price-big .off{background:var(--brand-red);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:4px}
.pkg-select{margin-top:20px}
.pkg-select h4{margin:0 0 8px;font-size:15px}
.pkg-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-height:320px;overflow:auto;padding:2px}
@media(max-width:480px){.pkg-list{grid-template-columns:1fr}}
.pkg-item{border:1px solid var(--border);border-radius:8px;padding:10px 12px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;background:#fff;transition:all .15s;font-size:14px}
.pkg-item.active{border-color:var(--brand-green);background:rgba(22,163,74,.06);box-shadow:0 0 0 2px rgba(22,163,74,.25)}
.pkg-item strong{color:var(--brand-green)}
.features{list-style:none;padding:0;margin:16px 0}
.features li{padding:4px 0;font-size:14px;display:flex;align-items:center;gap:8px}
.features li::before{content:"✓";color:var(--brand-green);font-weight:700}
.qty-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;align-items:center}
.qty-box{display:flex;align-items:center;border:1px solid var(--border);border-radius:6px;overflow:hidden}
.qty-box button{background:transparent;border:0;padding:8px 14px;cursor:pointer;font-size:16px}
.qty-box span{padding:0 12px;font-weight:600;min-width:36px;text-align:center}
.contact-note{margin-top:20px;padding:14px;background:rgba(22,163,74,.06);border:1px solid rgba(22,163,74,.2);border-radius:8px;font-size:14px}
.contact-note a{color:var(--brand-green);font-weight:700}

/* Shop layout */
.shop-layout{display:grid;grid-template-columns:220px 1fr;gap:32px;padding:32px 16px}
@media(max-width:768px){.shop-layout{grid-template-columns:1fr}}
.cat-side h3{margin:0 0 8px;font-size:15px}
.cat-side a{display:block;padding:8px 12px;border-radius:4px;font-size:14px;color:inherit}
.cat-side a:hover{background:#f3f4f6}
.cat-side a.active{background:var(--brand-green);color:#fff}
.shop-head{background:#fff;border-bottom:1px solid var(--border);padding:20px 16px}
.shop-head h1{margin:0;font-size:26px}
.shop-head p{margin:4px 0 0;color:var(--muted);font-size:14px}

/* Checkout */
.checkout-layout{display:grid;grid-template-columns:1fr 400px;gap:32px;padding:32px 16px}
@media(max-width:900px){.checkout-layout{grid-template-columns:1fr}}
.panel{background:#fff;border:1px solid var(--border);border-radius:8px;padding:24px;margin-bottom:20px}
.panel h2{margin:0 0 16px;font-size:18px}
.field{display:block;margin-bottom:14px}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:4px}
.field input,.field textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit;outline:none}
.field input:focus,.field textarea:focus{border-color:var(--brand-green)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:600px){.field-row{grid-template-columns:1fr}}
.pay-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pay-opt{border:1px solid var(--border);border-radius:8px;padding:14px;text-align:center;cursor:pointer;transition:all .15s}
.pay-opt.active{border-color:var(--brand-green);background:rgba(22,163,74,.06)}
.pay-opt input{display:none}
.pay-opt strong{display:block}
.pay-opt small{color:var(--muted);font-size:12px}
.pay-instr{margin-top:16px;background:rgba(220,38,38,.06);border:1px solid rgba(220,38,38,.2);border-radius:6px;padding:12px;font-size:14px}
.pay-instr strong{color:var(--brand-red);display:block;margin-bottom:4px}
.pay-instr ol{margin:0;padding-left:20px}
.summary{position:sticky;top:100px;height:fit-content}
.summary-item{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--border)}
.summary-item img{width:52px;height:52px;object-fit:cover;border-radius:4px}
.summary-item .info{flex:1;min-width:0}
.summary-item .info b{font-size:13px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.summary-item .info small{color:var(--muted);font-size:12px}
.summary-total{padding-top:12px;font-size:14px}
.summary-total .row{display:flex;justify-content:space-between;margin:6px 0}
.summary-total .grand{border-top:1px solid var(--border);padding-top:10px;font-weight:700;font-size:18px}
.summary-total .grand span:last-child{color:var(--brand-green)}
.place-order{width:100%;margin-top:16px;background:var(--brand-red);color:#fff;padding:14px;border-radius:6px;font-weight:700;font-size:16px;border:0;cursor:pointer}
.place-order:hover{background:var(--brand-red-dark)}

/* Thank you */
.thank-wrap{max-width:640px;margin:40px auto;padding:0 16px}
.thank-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:40px 32px;text-align:center}
.thank-icon{width:80px;height:80px;margin:0 auto;border-radius:999px;background:rgba(22,163,74,.12);color:var(--brand-green);display:flex;align-items:center;justify-content:center;font-size:44px}
.thank-card h1{margin:16px 0 8px;font-size:26px}
.order-box{margin-top:24px;text-align:left;background:#fafafa;border:1px solid var(--border);border-radius:8px;padding:16px}
.order-box .row{display:flex;justify-content:space-between;font-size:14px;padding:4px 0}
.order-box .row span:first-child{color:var(--muted)}
.thank-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
@media(max-width:480px){.thank-actions{grid-template-columns:1fr}}

/* Contact */
.contact-wrap{max-width:800px;margin:40px auto;padding:0 16px}
.contact-wrap h1{text-align:center;font-size:30px;margin:0 0 6px}
.contact-wrap>p{text-align:center;color:var(--muted);margin:0 0 24px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:600px){.contact-grid{grid-template-columns:1fr}}
.contact-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:20px;display:flex;gap:14px;align-items:center;transition:border-color .15s}
.contact-card:hover{border-color:var(--brand-green)}
.contact-icn{width:48px;height:48px;border-radius:999px;background:rgba(22,163,74,.12);color:var(--brand-green);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.contact-card b{display:block}
.contact-card small{color:var(--muted);font-size:13px}

/* Mobile bottom menu */
.mobile-bottom{display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border);z-index:60;padding:6px 0 8px;box-shadow:0 -2px 8px rgba(0,0,0,.05)}
.mobile-bottom ul{list-style:none;margin:0;padding:0;display:flex;justify-content:space-around}
.mobile-bottom a{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--muted);padding:4px}
.mobile-bottom a .icn{font-size:20px}
.mobile-bottom a.active{color:var(--brand-green)}
@media(max-width:768px){
  .mobile-bottom{display:block}
  body{padding-bottom:64px}
}

/* Floating WhatsApp button */
.pkbd-wa-float{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(37,211,102,.5);z-index:9999;transition:transform .2s ease;text-decoration:none}
.pkbd-wa-float:hover{transform:scale(1.08)}
.pkbd-wa-float svg{position:relative;z-index:2}
.pkbd-wa-pulse{position:absolute;width:100%;height:100%;border-radius:50%;background:#25D366;opacity:.6;animation:pkbdWaPulse 1.8s ease-out infinite}
@keyframes pkbdWaPulse{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.8);opacity:0}}
@media(max-width:640px){.pkbd-wa-float{right:14px;bottom:74px;width:52px;height:52px}.pkbd-wa-float svg{width:30px;height:30px}}