/* ===== Boston Aluminium Single Post 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;
}

/* ===== READ PROGRESS ===== */
.read-progress{position:fixed;top:0;left:0;height:2px;background:#2e79ff;width:0%;z-index:300;transition:width .1s linear}

/* ===== 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-bar{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}
.breadcrumb-nav a{transition:color .2s;color:#999}
.breadcrumb-nav a:hover{color:#0d2344}
.bc-sep{color:#ddd}
.bc-current{color:#0d2344;font-weight:500}

/* ===== ARTICLE WRAP ===== */
.article-wrap{max-width:1140px;margin:0 auto;padding:48px 24px 76px}
.article-header,.article-tags,.article-share{max-width:760px}

/* ===== ARTICLE HEADER ===== */
.article-header{margin-bottom:36px}
.article-cat{display:inline-block;margin-bottom:14px;text-align:left}
.article-h1{
  font-size:clamp(28px,4.5vw,48px);
  font-weight:800;line-height:1.08;
  letter-spacing:-0.5px;margin-bottom:18px;
  color:#0a2d5a;
}
.article-h1 em{font-style:normal;color:#2e79ff}
.article-lede{
  font-size:17px;color:#666;font-weight:400;
  line-height:1.7;border-left:2px solid #2e79ff;
  padding-left:20px;margin-bottom:28px;
}
.article-byline{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:20px 0;
  border-top:1px solid rgba(0,0,0,.06);
  border-bottom:1px solid rgba(0,0,0,.06);
  margin-bottom:32px;
}
/* Verified author badge — canonical pattern */
.author-avatar{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,#0d2344,#2e79ff);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:10px;font-weight:700;position:relative;overflow:hidden;
}
.author-avatar::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at top left,rgba(255,255,255,0.28),transparent 55%)}
.author-name{font-size:12px;font-weight:500;color:#555;line-height:1;white-space:nowrap}
.verified-badge{
  display:inline-flex;align-items:center;gap:4px;
  background:linear-gradient(180deg,#ecfdf3,#dcfce7);
  color:#15803d;border:1px solid rgba(34,197,94,0.22);
  padding:2px 8px;border-radius:999px;font-size:10px;font-weight:700;
  white-space:nowrap;box-shadow:inset 0 1px 0 rgba(255,255,255,0.7),0 1px 3px rgba(34,197,94,0.08);
}
.verified-icon{width:12px;height:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.verified-icon svg{width:12px;height:12px;fill:#16a34a}
.byline-dot{color:#ccc;font-weight:400}
.byline-meta{font-size:11px;color:#999;white-space:nowrap}

/* ===== ARTICLE BODY ===== */
.article-body{margin-top:36px}
.article-content-grid{display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:start}
.article-body p{font-size:16px;line-height:1.85;color:#444;margin-bottom:24px}
.article-body a{color:#2e79ff;text-decoration:underline;text-underline-offset:3px;transition:color .3s}
.article-body a:hover{color:#1a5fee}
.article-body .product-card-btn{color:#fff;text-decoration:none}
.article-body .product-card-btn:hover{color:#fff}
.article-body h2{
  font-size:clamp(22px,2.5vw,28px);
  font-weight:800;line-height:1.1;
  margin:44px 0 18px;color:#0a2d5a;
}
.article-body h3{
  font-size:13px;font-weight:600;letter-spacing:1px;
  text-transform:uppercase;color:#2e79ff;
  margin:32px 0 14px;
}
.article-body ul{list-style:none;padding:0;margin-bottom:24px}
.article-body ul li{
  font-size:15px;line-height:1.75;color:#666;
  padding-left:20px;position:relative;margin-bottom:8px;
}
.article-body ul li::before{content:'—';position:absolute;left:0;color:#2e79ff;font-size:13px}
.article-body ol{counter-reset:article-ol;padding:0;margin-bottom:24px}
.article-body ol li{counter-increment:article-ol;font-size:15px;line-height:1.75;color:#666;padding-left:28px;position:relative;margin-bottom:8px;list-style:none}
.article-body ol li::before{content:counter(article-ol)'.';position:absolute;left:0;color:#2e79ff;font-size:13px;font-weight:600}
.article-body blockquote{
  font-size:clamp(18px,2vw,24px);
  font-style:italic;font-weight:500;line-height:1.35;
  color:#0d2344;border-left:2px solid #2e79ff;
  padding:8px 0 8px 28px;margin:36px 0;
}
.article-body .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -24px;padding:0 24px}
.article-body table{
  width:100%;border-collapse:collapse;
  margin:28px 0;font-size:14px;
}
.article-body thead th{
  background:#0d2344;color:#fff;
  padding:12px 16px;text-align:left;
  font-size:11px;font-weight:600;
  letter-spacing:.6px;text-transform:uppercase;
}
.article-body thead th:first-child{border-radius:4px 0 0 0}
.article-body thead th:last-child{border-radius:0 4px 0 0}
.article-body tbody td{
  padding:12px 16px;
  border-bottom:1px solid rgba(0,0,0,.06);
  color:#555;line-height:1.6;
}
.article-body tbody tr:nth-child(even) td{background:rgba(0,0,0,.015)}
.article-body tbody tr:hover td{background:rgba(46,121,255,.04)}
.article-body tbody td:first-child{font-weight:500;color:#0d2344}
.article-body tbody tr:last-child td:first-child{border-radius:0 0 0 4px}
.article-body tbody tr:last-child td:last-child{border-radius:0 0 4px 0}
.article-body .article-img{margin:36px 0;overflow:hidden;border-radius:4px}
.article-body .article-img img{width:100%;max-height:480px;object-fit:cover}
.article-body .review-img{display:block;width:100%;max-width:300px;height:auto;border-radius:4px;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.article-body .img-caption{font-size:11px;color:#999;text-align:center;margin-top:8px;font-style:italic}
.article-body .tip-box{
  background:#e9edf2;border-left:2px solid #2e79ff;
  padding:20px 24px;margin:32px 0;border-radius:0 4px 4px 0;
}

/* ===== TABLE OF CONTENTS ===== */
.toc-sidebar{position:sticky;top:100px;padding-left:20px;border-left:1px solid rgba(0,0,0,.08)}
.toc-title{font-size:11px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:#999;margin:0 0 16px}
.toc-nav a{display:block;font-size:13px;color:#888;padding:6px 0;line-height:1.4;transition:color .2s;text-decoration:none}
.toc-nav a:hover,.toc-nav a.active{color:#2e79ff}
.toc-nav a[data-level=h3]{font-size:12px;padding-left:14px;color:#aaa}
@media(max-width:1000px){.article-content-grid{grid-template-columns:1fr}.toc-sidebar{display:none}}

/* ===== PRODUCT CARD (in content) ===== */
.product-card{
  display:flex;gap:24px;align-items:stretch;
  border:1px solid rgba(0,0,0,.08);border-radius:4px;overflow:hidden;
  margin:36px 0;background:#fff;
}
.product-card-img{flex:0 0 42%;max-width:320px;min-height:200px;align-self:stretch;background:#e9edf2;position:relative;overflow:hidden}
.product-card-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.product-card-info{flex:1;padding:28px 28px 28px 0;display:flex;flex-direction:column}
.product-card-info h3{font-size:20px;font-weight:800;margin:0 0 10px;color:#0d2344;line-height:1.2;text-transform:none;letter-spacing:0}
.product-card-info p{font-size:14px;color:#666;line-height:1.7;margin:0 0 18px;flex:1}
.product-card-btn{
  display:inline-block;background:#2e79ff;color:#fff;
  padding:12px 28px;font-size:12px;font-weight:600;
  letter-spacing:.8px;text-transform:uppercase;
  border-radius:4px;transition:background .3s;align-self:flex-start;
}
.product-card-btn:hover{background:#1a5fee;color:#fff}
@media(max-width:600px){
  .product-card{flex-direction:column}
  .product-card-img{flex:none;width:100%;max-width:none;min-height:200px;aspect-ratio:auto}
  .product-card-info{padding:20px 24px 24px}
}

/* ===== TAGS ===== */
.article-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:44px;padding-top:28px;border-top:1px solid rgba(0,0,0,.06)}
.tag-label{font-size:11px;color:#999;margin-right:4px;font-weight:500}
.article-tag{padding:5px 12px;border:1px solid #ddd;font-size:11px;color:#888;transition:all .3s;border-radius:3px}
.article-tag:hover{border-color:#0d2344;color:#0d2344}

/* ===== SHARE ===== */
.article-share{display:flex;align-items:center;gap:14px;margin-top:28px;flex-wrap:wrap}
.share-label{font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:#999}
.share-btn{
  padding:9px 18px;border:1px solid #ddd;
  font-size:11px;color:#888;display:inline-flex;align-items:center;
  gap:6px;transition:all .3s;min-height:38px;font-family:'Inter',sans-serif;border-radius:3px;
}
.share-btn:hover{border-color:#0d2344;color:#0d2344}
.share-btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2}

/* ===== RELATED SECTION ===== */
.related-section{background:#e9edf2;padding:56px 0}
.related-inner{max-width:760px;margin:0 auto;padding:0 24px}
.related-heading{
  font-size:clamp(22px,2.5vw,28px);
  font-weight:800;margin:12px 0 32px;line-height:1;color:#0a2d5a;
}
.related-heading span{color:#2e79ff}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:640px){.related-grid{grid-template-columns:1fr}}
.related-card{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px;background:#fff;
  border:1px solid rgba(0,0,0,.06);border-radius:4px;transition:border-color .3s;
}
.related-card:hover{border-color:#0d2344}
.related-thumb{width:70px;height:70px;overflow:hidden;flex-shrink:0;background:#e9edf2;border-radius:3px}
.related-thumb img{width:70px;height:70px;object-fit:cover;transition:transform .5s}
.related-card:hover .related-thumb img{transform:scale(1.08)}
.related-card-cat{font-size:10px;color:#2e79ff;font-weight:600;letter-spacing:.5px;text-transform:uppercase;margin-bottom:4px}
.related-card-title{font-size:14px;line-height:1.2;font-weight:700;color:#0d2344}

/* ===== 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: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}
  .article-wrap{padding:32px 16px 56px}
  .related-section{padding:40px 0}
}
@media(max-width:480px){
  .header-inner{padding:14px 16px}
}