/* ===== Boston Aluminium Single Product Styles v1 ===== */
/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Roboto Condensed","Arial Narrow",Arial,sans-serif;
  color:#111;background:#fff;line-height:1.5;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{cursor:pointer;font-family:inherit;background:none;border:none}
:focus-visible{outline:2px solid #2e79ff;outline-offset:3px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4{font-family:"Barlow Condensed","Arial Narrow",Arial,sans-serif;font-weight:800}
.label{font-size:11px;font-weight:600;letter-spacing:2.5px;text-transform:uppercase;color:#2e79ff;margin-bottom:10px;text-align:center}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.12s}

/* ===== HEADER ===== */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid #e8eaef}
.site-header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px;padding:0 40px;max-width:1200px;margin:0 auto}
.brand{width:180px;flex-shrink:0}
.brand img{width:100%;height:auto}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:15px;font-weight:800;color:#071d3f;font-family:"Barlow Condensed","Arial Narrow",Arial,sans-serif;text-transform:uppercase;white-space:nowrap;transition:color .18s}
.nav-links a:hover{color:#2073df}
.nav-icons{display:flex;align-items:center;gap:16px}
.nav-icon-btn{background:none;border:none;cursor:pointer;padding:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;line-height:0}
.nav-icons svg{width:20px;height:20px;color:#0d2344;transition:color .2s}
.nav-icons svg:hover{color:#2e79ff}
.nav-icons .cart-wrap{position:relative;display:flex;align-items:center;justify-content:center;width:20px;height:20px}
.cart-count{position:absolute;top:-6px;right:-6px;width:16px;height:16px;border-radius:50%;background:#2e79ff;color:#fff;font-size:9px;font-weight:600;display:flex;align-items:center;justify-content:center}
.hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer;background:none;border:none;padding:4px}
.hamburger span{width:22px;height:2px;background:#071d3f;display:block;transition:.3s}
.mobile-menu{display:none;position:fixed;inset:0;z-index:200;background:rgba(255,255,255,.98);flex-direction:column;align-items:center;justify-content:center;gap:24px;opacity:0;transform:translateY(-16px);transition:opacity .35s,transform .35s}
.mobile-menu.open{display:flex;opacity:1;transform:translateY(0)}
.mobile-menu a{font-size:22px;font-weight:700;color:#071d3f;font-family:"Barlow Condensed","Arial Narrow",Arial,sans-serif;text-transform:uppercase}
.mobile-menu a:hover{color:#2073df}
.mobile-close{position:absolute;top:20px;right:24px;background:none;border:none;font-size:36px;cursor:pointer;color:#071d3f}

/* ===== BREADCRUMB ===== */
.breadcrumb{padding:14px 0;border-bottom:1px solid #eee;background:#fff}
.breadcrumb nav{display:flex;align-items:center;gap:8px;font-size:12px;color:#999;flex-wrap:wrap;max-width:1200px;margin:0 auto;padding:0 24px}
.breadcrumb a{transition:color .2s;color:#999}
.breadcrumb a:hover{color:#0d2344}
.breadcrumb-sep{color:#ddd}
.breadcrumb-current{color:#0d2344;font-weight:500}

/* ===== PRODUCT SECTION ===== */
.product-section{padding:48px 0}

/* ===== PRODUCT GRID ===== */
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}

/* ===== GALLERY ===== */
.gallery{position:sticky;top:90px}
.gallery-main{
  aspect-ratio:1;border-radius:6px;overflow:hidden;
  background:#e9edf2;position:relative;margin-bottom:14px;
  border:1px solid #eee;
}
.gallery-main img,.gallery-main video{width:100%;height:100%;object-fit:cover}
.gallery-zoom-hint{
  position:absolute;bottom:12px;right:12px;
  background:rgba(13,35,68,.75);color:#fff;
  font-size:10px;padding:4px 10px;border-radius:3px;
  pointer-events:none;font-weight:500;
}
.gallery-thumbs{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px}
.gallery-thumb{
  width:72px;height:72px;border-radius:4px;overflow:hidden;
  cursor:pointer;border:2px solid transparent;flex-shrink:0;
  transition:border-color .2s;position:relative;background:#e9edf2;
}
.gallery-thumb.active{border-color:#2e79ff}
.gallery-thumb:hover{border-color:#0d2344}
.gallery-thumb img{width:100%;height:100%;object-fit:cover}
.gallery-video-badge{
  position:absolute;inset:0;display:flex;align-items:center;
  justify-content:center;background:rgba(0,0,0,.3);color:#fff;font-size:18px;
}
.gallery-thumb[data-type="video"] .gallery-video-badge{display:flex}

/* ===== PRODUCT INFO ===== */
.product-tags{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.product-tag{
  font-size:10px;font-weight:600;letter-spacing:.8px;
  text-transform:uppercase;padding:4px 12px;
  background:#e9edf2;color:#2e79ff;border-radius:3px;
}
.product-name{
  font-size:clamp(24px,3.5vw,34px);font-weight:800;
  color:#0a2d5a;line-height:1.15;margin-bottom:8px;
}
.product-tagline{font-size:15px;color:#888;margin-bottom:16px;line-height:1.5}

.product-stars{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.stars-row{display:flex;gap:2px}
.star-svg{width:16px;height:16px;fill:#f0a83b}
.star-count{font-size:12px;color:#999}

.product-price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}
.price-current{font-size:26px;font-weight:800;color:#0d2344}
.price-original{font-size:16px;color:#bbb;text-decoration:line-through}
.price-note{font-size:12px;color:#999;margin-bottom:20px}

.divider{height:1px;background:#eee;margin:20px 0}

.option-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.option-label{font-size:12px;font-weight:600;color:#0d2344;text-transform:uppercase;letter-spacing:.5px}
.option-selected{font-size:12px;color:#2e79ff;font-weight:500}

.gauge-options{display:flex;gap:8px;margin-bottom:22px;flex-wrap:wrap}
.gauge-btn{
  padding:9px 18px;border:1px solid #ddd;border-radius:4px;
  font-size:12px;font-weight:600;color:#555;transition:all .2s;
}
.gauge-btn:hover{border-color:#0d2344;color:#0d2344}
.gauge-btn.active{background:#0d2344;color:#fff;border-color:#0d2344}

.quantity-row{display:flex;align-items:center;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.qty-control{
  display:flex;align-items:center;border:1px solid #ddd;border-radius:4px;overflow:hidden;
}
.qty-btn{
  width:36px;height:36px;display:flex;align-items:center;justify-content:center;
  font-size:16px;color:#555;transition:background .2s;
}
.qty-btn:hover{background:#f0f2f5}
.qty-display{width:40px;text-align:center;font-size:14px;font-weight:600;color:#0d2344}
.qty-note{font-size:12px;color:#999}

.stock-row{display:flex;align-items:center;gap:8px;margin-bottom:24px}
.stock-dot{width:8px;height:8px;border-radius:50%;background:#22c55e}
.stock-text{font-size:12px;color:#666}

.cta-stack{display:flex;gap:12px;margin-bottom:24px}
.btn-atc{
  flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;background:#0d2344;color:#fff;
  border:none;border-radius:4px;font-size:14px;font-weight:600;
  transition:background .2s;font-family:'Inter',sans-serif;
}
.btn-atc:hover{background:#2e79ff}
.btn-atc svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2}
.btn-buy{
  flex:1;display:flex;align-items:center;justify-content:center;
  padding:14px 24px;background:#2e79ff;color:#fff;
  border:none;border-radius:4px;font-size:14px;font-weight:600;
  transition:background .2s;font-family:'Inter',sans-serif;
}
.btn-buy:hover{background:#1a5fee}

.trust-row{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:24px;padding:16px;background:#f8f9fb;border-radius:4px}
.trust-item{
  display:flex;align-items:center;gap:6px;
  font-size:11px;font-weight:500;color:#666;
}
.trust-item svg{width:16px;height:16px;fill:none;stroke:#2e79ff;stroke-width:2;flex-shrink:0}

.action-row{display:flex;gap:12px;margin-bottom:28px}
.action-btn{
  display:flex;align-items:center;gap:6px;
  padding:8px 16px;border:1px solid #ddd;border-radius:4px;
  font-size:11px;font-weight:500;color:#888;transition:all .2s;
}
.action-btn:hover{border-color:#0d2344;color:#0d2344}
.action-btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2}
.wish-toggle.wished{color:#e74c3c;border-color:#e74c3c}
.wish-toggle.wished svg{stroke:#e74c3c}

/* ===== ACCORDION ===== */
.accordion{border-top:1px solid #eee}
.accordion-item{border-bottom:1px solid #eee}
.accordion-trigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;font-size:14px;font-weight:700;color:#0d2344;
  transition:color .2s;text-align:left;
}
.accordion-trigger:hover{color:#2e79ff}
.accordion-icon{position:relative;width:14px;height:14px}
.accordion-icon::before,.accordion-icon::after{
  content:'';position:absolute;background:#0d2344;transition:transform .3s;
}
.accordion-icon::before{top:6px;left:0;width:14px;height:2px}
.accordion-icon::after{top:0;left:6px;width:2px;height:14px}
.accordion-item.open .accordion-icon::after{transform:rotate(90deg)}
.accordion-body{max-height:0;overflow:hidden;transition:max-height .35s ease}
.accordion-body-inner{padding:0 0 20px;font-size:14px;color:#666;line-height:1.7}
.accordion-body-inner p{margin-bottom:12px}
.accordion-body-inner ul{margin-bottom:12px;padding-left:18px}
.accordion-body-inner ul li{list-style:disc;margin-bottom:6px;font-size:13px}

.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.spec-item{padding:5px 0}
.spec-key{font-size:11px;color:#999;text-transform:uppercase;letter-spacing:.5px}
.spec-val{font-size:13px;font-weight:600;color:#0d2344}

/* ===== SECRET CONTENT ===== */
.secret-content-section{margin-top:28px;padding-top:28px;border-top:2px dashed rgba(0,0,0,.06)}
.secret-label{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:#2e79ff;margin-bottom:20px}
.secret-body{
  background:linear-gradient(135deg,rgba(46,121,255,.04),rgba(46,121,255,.02));
  border:1px solid rgba(0,0,0,.06);padding:28px;position:relative;border-radius:4px;
}
.secret-body.locked::after{
  content:'';position:absolute;inset:0;
  background:rgba(255,255,255,.85);backdrop-filter:blur(6px);border-radius:4px;
}
.secret-lock-overlay{
  position:absolute;inset:0;
  background:rgba(255,255,255,.88);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;z-index:5;border-radius:4px;
}
.secret-lock-inner{text-align:center}
.secret-lock-inner p{font-size:12px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:#888;margin-bottom:14px}
.secret-lock-inner a{font-size:12px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:#0d2344;border-bottom:1px solid #0d2344;padding-bottom:2px}

/* ===== RELATED PRODUCTS ===== */
.related-products{padding:56px 0;background:#e9edf2}
.related-title{
  font-size:clamp(24px,3vw,34px);font-weight:800;
  text-align:center;margin-bottom:36px;color:#0a2d5a;
}
.related-title span{color:#2e79ff}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rp-card{
  background:#fff;border:1px solid #eee;border-radius:6px;
  overflow:hidden;transition:transform .3s,box-shadow .3s;
}
.rp-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.06)}
.rp-img-wrap{aspect-ratio:1;overflow:hidden;background:#e9edf2}
.rp-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.rp-card:hover .rp-img-wrap img{transform:scale(1.06)}
.rp-sub{font-size:10px;color:#2e79ff;text-transform:uppercase;letter-spacing:.5px;font-weight:600;padding:12px 12px 0}
.rp-name{font-size:14px;font-weight:700;color:#0d2344;padding:4px 12px 0;line-height:1.3}
.rp-price{font-size:14px;font-weight:700;color:#0d2344;padding:4px 12px 12px}

/* ===== FOOTER ===== */
.footer-wrap{background:#061f45}
.footer{position:relative;display:grid;grid-template-columns:31.6% 34.8% 1fr;min-height:96px;color:#fff;gap:0;max-width:1200px;margin:0 auto}
.footer-logo-panel{display:flex;align-items:center;padding-left:40px;background:#fff;clip-path:polygon(0 0,86% 0,100% 100%,0 100%)}
.footer-logo-panel img{width:180px;height:auto}
.footer-touch{display:flex;align-items:center;gap:18px;padding-left:80px;margin-left:-70px;background:linear-gradient(125deg,#145ab7 0%,#1269cc 52%,#0c3474 100%);clip-path:polygon(0 0,84% 0,100% 100%,14% 100%)}
.footer-icon{flex:0 0 auto;width:36px;height:36px;color:#fff}
.footer-icon svg{width:100%;height:100%;stroke:currentColor;stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.footer-touch h2{margin:0 0 6px;font-family:"Barlow Condensed","Arial Narrow",Arial,sans-serif;font-size:19px;font-weight:800;line-height:1;text-transform:uppercase}
.footer-touch p{margin:0;color:rgba(255,255,255,.94);font-size:14px;line-height:1.3}
.footer-contact{display:grid;align-content:center;gap:14px;padding-left:60px;background:#071f45}
.contact-item{display:flex;align-items:center;gap:14px;color:#fff;font-size:15px;font-weight:700;line-height:1}
.contact-item svg{width:24px;height:24px;flex-shrink:0;stroke:currentColor;stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* ===== BACK TO TOP ===== */
.btt{
  position:fixed;bottom:28px;right:28px;
  width:42px;height:42px;border-radius:50%;
  background:#0d2344;color:#fff;border:none;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:17px;opacity:0;transform:translateY(16px);
  transition:all .3s;z-index:50;box-shadow:0 4px 16px rgba(0,0,0,.15);
}
.btt.visible{opacity:1;transform:translateY(0)}
.btt:hover{background:#2e79ff}

/* ===== CART TOAST ===== */
.cart-toast{
  position:fixed;bottom:80px;right:28px;
  background:#0d2344;color:#fff;padding:12px 20px;
  border-radius:4px;font-size:13px;font-weight:500;
  box-shadow:0 6px 24px rgba(0,0,0,.2);
  opacity:0;transform:translateY(10px);
  transition:all .3s;z-index:60;pointer-events:none;
}
.cart-toast.show{opacity:1;transform:translateY(0)}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .product-grid{grid-template-columns:1fr;gap:32px}
  .gallery{position:static}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .footer{grid-template-columns:1fr}
  .footer-logo-panel,.footer-touch,.footer-contact{clip-path:none;padding:28px 24px;justify-content:center;text-align:center}
  .footer-touch{padding-left:24px;margin-left:0}
  .footer-contact{padding-left:24px;justify-items:center}
}
@media(max-width:768px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .cta-stack{flex-direction:column}
  .trust-row{flex-direction:column;gap:8px}
  .spec-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .header-inner{padding:14px 16px}
  .related-grid{grid-template-columns:1fr}
  .gauge-options{flex-direction:column}
}