@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Syne:wght@600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white: #FFFFFF;
  --navy: #1D4ED8;
  --navy-dark: #1538a8;
  --navy-light: #3B6EF8;
  --cyan: #06B6D4;
  --cyan-light: #22D3EE;
  --graphite: #374151;
  --graphite-light: #4B5563;
  --silver: #CBD5E1;
  --light-gray: #F8FAFC;
  --mid-gray: #E2E8F0;
  --text-muted: #6B7280;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.10), 0 4px 10px rgba(0,0,0,.06);
  --radius: 10px;
  --radius-lg: 16px;
  --transition: .22s ease;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--graphite); background: var(--white); line-height: 1.6; font-size: 15px; }

a { color: var(--navy); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--navy-light); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ==================== TYPOGRAPHY ==================== */
h1,h2,h3,h4,h5,h6 { font-family: 'Syne', sans-serif; color: var(--graphite); line-height: 1.2; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { color: var(--graphite-light); line-height: 1.7; }

.text-navy { color: var(--navy); }
.text-cyan { color: var(--cyan); }
.text-muted { color: var(--text-muted); }
.font-heading { font-family: 'Syne', sans-serif; }

/* ==================== LAYOUT ==================== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1440px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 96px 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }

/* ==================== TOPBAR ==================== */
.topbar { background: var(--graphite); color: var(--silver); font-size: 12.5px; padding: 8px 0; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar a { color: var(--silver); }
.topbar a:hover { color: var(--cyan); }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 20px; }
.topbar-icon { margin-right: 5px; }

/* ==================== HEADER ==================== */
.site-header { background: var(--white); border-bottom: 1px solid var(--mid-gray); position: sticky; top: 0; z-index: 1000; box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; gap: 24px; max-width: 1280px; margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { width: 38px; height: 38px; background: var(--navy); border-radius: 9px; display: flex; align-items: center; justify-content: center; }
.logo-mark svg { width: 22px; height: 22px; fill: white; }
.logo-text { font-family: 'Syne', sans-serif; font-size: 1.35rem; font-weight: 800; color: var(--graphite); }
.logo-text span { color: var(--navy); }

.header-search { flex: 1; max-width: 520px; position: relative; }
.header-search input { width: 100%; padding: 10px 44px 10px 16px; border: 1.5px solid var(--mid-gray); border-radius: var(--radius); font-size: 14px; background: var(--light-gray); transition: border-color var(--transition), box-shadow var(--transition); }
.header-search input:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(29,78,216,.1); background: var(--white); }
.header-search button { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; color: var(--text-muted); }
.header-search button:hover { color: var(--navy); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.action-btn { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 6px 10px; border-radius: var(--radius); background: none; border: none; cursor: pointer; color: var(--graphite); font-size: 11px; font-weight: 500; transition: background var(--transition), color var(--transition); text-decoration: none; }
.action-btn:hover { background: var(--light-gray); color: var(--navy); }
.action-btn svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.action-btn.cart-btn { background: var(--navy); color: white; position: relative; }
.action-btn.cart-btn:hover { background: var(--navy-dark); color: white; }
.cart-count { position: absolute; top: 2px; right: 2px; background: var(--cyan); color: white; width: 18px; height: 18px; border-radius: 50%; font-size: 10px; font-weight: 700; display: flex; align-items: center; justify-content: center; }

/* ==================== NAV ==================== */
.main-nav { background: var(--light-gray); border-bottom: 1px solid var(--mid-gray); }
.nav-inner { display: flex; align-items: center; gap: 2px; max-width: 1280px; margin: 0 auto; padding: 0 24px; overflow-x: auto; scrollbar-width: none; }
.nav-inner::-webkit-scrollbar { display: none; }
.nav-link { display: flex; align-items: center; gap: 6px; padding: 13px 14px; font-size: 13.5px; font-weight: 500; color: var(--graphite); white-space: nowrap; border-bottom: 2.5px solid transparent; transition: color var(--transition), border-color var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--navy); border-bottom-color: var(--navy); }
.nav-link svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ==================== BREADCRUMB ==================== */
.breadcrumb { padding: 14px 0; border-bottom: 1px solid var(--mid-gray); background: var(--white); }
.breadcrumb-list { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.breadcrumb-list li { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.breadcrumb-list li a { color: var(--text-muted); }
.breadcrumb-list li a:hover { color: var(--navy); }
.breadcrumb-list li:last-child { color: var(--graphite); font-weight: 500; }
.breadcrumb-sep { color: var(--silver); }

/* ==================== BUTTONS ==================== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 24px; border-radius: var(--radius); font-size: 14px; font-weight: 600; cursor: pointer; transition: all var(--transition); border: 2px solid transparent; white-space: nowrap; text-decoration: none; }
.btn-primary { background: var(--navy); color: white; border-color: var(--navy); }
.btn-primary:hover { background: var(--navy-dark); border-color: var(--navy-dark); color: white; }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: white; }
.btn-cyan { background: var(--cyan); color: white; border-color: var(--cyan); }
.btn-cyan:hover { background: #0597ae; border-color: #0597ae; color: white; }
.btn-ghost { background: var(--light-gray); color: var(--graphite); border-color: var(--mid-gray); }
.btn-ghost:hover { background: var(--mid-gray); }
.btn-sm { padding: 7px 16px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ==================== HERO ==================== */
.hero { position: relative; min-height: 580px; display: flex; align-items: center; overflow: hidden; background: var(--graphite); }
.hero-image { position: absolute; inset: 0; }
.hero-image img { width: 100%; height: 100%; object-fit: cover; opacity: .38; }
.hero-content { position: relative; z-index: 2; max-width: 680px; padding: 80px 0; }
.hero-content h1 { color: white; margin-bottom: 22px; }
.hero-content p { color: rgba(255,255,255,.80); font-size: 1.08rem; margin-bottom: 36px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat strong { display: block; font-family: 'Syne', sans-serif; font-size: 1.8rem; font-weight: 800; color: white; }
.hero-stat span { font-size: 12px; color: rgba(255,255,255,.65); text-transform: uppercase; letter-spacing: .06em; }

/* ==================== SECTION HEADERS ==================== */
.section-header { margin-bottom: 44px; }
.section-header.center { text-align: center; }
.section-label { display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); margin-bottom: 10px; }
.section-header h2 { margin-bottom: 14px; }
.section-header p { max-width: 560px; font-size: 1rem; }
.section-header.center p { margin: 0 auto; }

/* ==================== CARDS ==================== */
.card { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--mid-gray); overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card-image { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .card-image img { transform: scale(1.04); }
.card-body { padding: 20px; }
.card-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--cyan); margin-bottom: 8px; }
.card-body h3 { margin-bottom: 8px; font-size: 1.05rem; }
.card-body p { font-size: 13.5px; line-height: 1.6; margin-bottom: 14px; }
.card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--text-muted); }

/* ==================== PRODUCT CARD ==================== */
.product-card { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--mid-gray); overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--navy); }
.product-card-image { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--light-gray); }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.product-card:hover .product-card-image img { transform: scale(1.05); }
.product-card-actions { position: absolute; top: 10px; right: 10px; display: flex; flex-direction: column; gap: 6px; opacity: 0; transition: opacity var(--transition); }
.product-card:hover .product-card-actions { opacity: 1; }
.product-action-btn { width: 34px; height: 34px; background: white; border: 1px solid var(--mid-gray); border-radius: 8px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: background var(--transition); }
.product-action-btn:hover { background: var(--navy); border-color: var(--navy); }
.product-action-btn:hover svg { stroke: white; }
.product-action-btn svg { width: 16px; height: 16px; stroke: var(--graphite); fill: none; stroke-width: 2; }
.product-card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.product-brand { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--cyan); margin-bottom: 5px; }
.product-card-body h4 { font-size: 14px; line-height: 1.4; color: var(--graphite); margin-bottom: 8px; flex: 1; }
.product-specs-mini { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.spec-chip { font-size: 11px; background: var(--light-gray); border: 1px solid var(--mid-gray); color: var(--graphite-light); padding: 3px 9px; border-radius: 20px; }
.product-price-row { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.product-price { font-family: 'Syne', sans-serif; font-size: 1.2rem; font-weight: 700; color: var(--navy); }
.product-price-old { font-size: 12px; color: var(--text-muted); text-decoration: line-through; margin-left: 6px; }
.add-to-cart { padding: 8px 14px; background: var(--navy); color: white; border: none; border-radius: 8px; font-size: 12px; font-weight: 600; cursor: pointer; transition: background var(--transition); }
.add-to-cart:hover { background: var(--navy-dark); }

/* ==================== SIDEBAR LAYOUT ==================== */
.page-with-sidebar { display: grid; grid-template-columns: 260px 1fr; gap: 32px; align-items: start; }
.sidebar { position: sticky; top: 90px; }
.sidebar-widget { background: var(--white); border: 1px solid var(--mid-gray); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 20px; }
.sidebar-widget h4 { font-size: 13.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--graphite); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--mid-gray); }
.filter-group { margin-bottom: 14px; }
.filter-group label { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--graphite-light); cursor: pointer; padding: 4px 0; }
.filter-group label input[type=checkbox] { accent-color: var(--navy); width: 15px; height: 15px; }
.filter-range input[type=range] { width: 100%; accent-color: var(--navy); }
.filter-range-labels { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); margin-top: 5px; }
.sidebar-cat-link { display: flex; align-items: center; justify-content: space-between; padding: 9px 12px; border-radius: 8px; font-size: 13.5px; color: var(--graphite); transition: background var(--transition), color var(--transition); }
.sidebar-cat-link:hover, .sidebar-cat-link.active { background: var(--navy); color: white; }
.sidebar-cat-link span.count { background: var(--mid-gray); color: var(--text-muted); font-size: 11px; padding: 2px 7px; border-radius: 10px; }
.sidebar-cat-link:hover span.count, .sidebar-cat-link.active span.count { background: rgba(255,255,255,.25); color: white; }

/* ==================== SPEC TABLE ==================== */
.spec-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.spec-table th { background: var(--navy); color: white; padding: 11px 16px; text-align: left; font-weight: 600; font-size: 12.5px; }
.spec-table td { padding: 10px 16px; border-bottom: 1px solid var(--mid-gray); vertical-align: top; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:nth-child(even) td { background: var(--light-gray); }
.spec-table td:first-child { font-weight: 600; color: var(--graphite); width: 38%; }
.spec-table td:not(:first-child) { color: var(--graphite-light); }
.spec-label { display: inline-flex; align-items: center; justify-content: center; font-size: 10.5px; font-weight: 700; padding: 2px 8px; border-radius: 4px; }
.spec-label.best { background: #d1fae5; color: #065f46; }
.spec-label.good { background: #dbeafe; color: #1e40af; }

/* ==================== COMPARISON TABLE ==================== */
.compare-table { width: 100%; border-collapse: collapse; font-size: 13.5px; overflow-x: auto; display: block; }
.compare-table th, .compare-table td { padding: 12px 18px; border: 1px solid var(--mid-gray); text-align: left; }
.compare-table thead th { background: var(--navy); color: white; font-weight: 600; }
.compare-table tbody tr:nth-child(odd) { background: var(--light-gray); }
.compare-table tbody tr:hover { background: #eff6ff; }

/* ==================== INFO BOXES ==================== */
.info-box { border-radius: var(--radius); padding: 20px 24px; border-left: 4px solid var(--navy); background: #eff6ff; margin: 20px 0; }
.info-box.cyan { border-left-color: var(--cyan); background: #ecfeff; }
.info-box.warning { border-left-color: #f59e0b; background: #fffbeb; }
.info-box h4 { font-size: 14px; margin-bottom: 6px; color: var(--graphite); }
.info-box p { font-size: 13.5px; margin: 0; }

/* ==================== STATS STRIP ==================== */
.stats-strip { background: var(--navy); padding: 52px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-item strong { display: block; font-family: 'Syne', sans-serif; font-size: 2.4rem; font-weight: 800; color: white; }
.stat-item span { font-size: 13px; color: rgba(255,255,255,.70); text-transform: uppercase; letter-spacing: .07em; }

/* ==================== TESTIMONIALS ==================== */
.testimonial-card { background: var(--white); border: 1px solid var(--mid-gray); border-radius: var(--radius-lg); padding: 28px; }
.testimonial-stars { display: flex; gap: 3px; margin-bottom: 14px; }
.testimonial-stars svg { width: 16px; height: 16px; fill: #f59e0b; stroke: none; }
.testimonial-card blockquote { font-size: 14.5px; color: var(--graphite-light); line-height: 1.7; font-style: italic; margin-bottom: 18px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-author-img { width: 44px; height: 44px; border-radius: 50%; background: var(--mid-gray); overflow: hidden; }
.testimonial-author-info strong { font-size: 13.5px; display: block; color: var(--graphite); }
.testimonial-author-info span { font-size: 12px; color: var(--text-muted); }

/* ==================== GUIDE / BLOG ARTICLE ==================== */
.article-hero { position: relative; height: 420px; overflow: hidden; border-radius: var(--radius-lg); margin-bottom: 36px; }
.article-hero img { width: 100%; height: 100%; object-fit: cover; }
.article-body h2 { font-size: 1.5rem; margin: 32px 0 14px; }
.article-body h3 { font-size: 1.15rem; margin: 24px 0 10px; }
.article-body p { font-size: 15px; margin-bottom: 18px; line-height: 1.75; color: var(--graphite-light); }
.article-body ul, .article-body ol { margin: 0 0 18px 20px; }
.article-body li { font-size: 15px; margin-bottom: 8px; color: var(--graphite-light); line-height: 1.65; }
.article-body ul li { list-style: disc; }
.article-body ol li { list-style: decimal; }

/* ==================== FORMS ==================== */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; color: var(--graphite); margin-bottom: 7px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 11px 15px; border: 1.5px solid var(--mid-gray); border-radius: var(--radius); font-size: 14px; font-family: 'Inter', sans-serif; color: var(--graphite); background: var(--white); transition: border-color var(--transition), box-shadow var(--transition); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(29,78,216,.1); }
.form-group textarea { min-height: 130px; resize: vertical; }
.form-success { background: #d1fae5; border: 1px solid #6ee7b7; color: #065f46; padding: 16px 20px; border-radius: var(--radius); font-size: 14px; font-weight: 600; display: none; margin-top: 16px; }
.form-success.show { display: block; }

/* ==================== CATEGORY HERO ==================== */
.cat-hero { background: var(--graphite); position: relative; padding: 52px 0; overflow: hidden; }
.cat-hero-image { position: absolute; inset: 0; }
.cat-hero-image img { width: 100%; height: 100%; object-fit: cover; opacity: .28; }
.cat-hero-inner { position: relative; z-index: 2; }
.cat-hero h1 { color: white; margin-bottom: 12px; }
.cat-hero p { color: rgba(255,255,255,.75); max-width: 580px; font-size: 1rem; }

/* ==================== POLICY PAGES ==================== */
.policy-content { max-width: 860px; margin: 0 auto; padding: 60px 24px; }
.policy-content h1 { margin-bottom: 8px; }
.policy-content .policy-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--mid-gray); }
.policy-content h2 { font-size: 1.25rem; margin: 36px 0 12px; }
.policy-content h3 { font-size: 1.05rem; margin: 24px 0 8px; }
.policy-content p { font-size: 14.5px; margin-bottom: 16px; line-height: 1.75; }
.policy-content ul, .policy-content ol { margin: 0 0 18px 22px; }
.policy-content li { font-size: 14.5px; margin-bottom: 7px; line-height: 1.65; color: var(--graphite-light); }
.policy-content ul li { list-style: disc; }
.policy-content ol li { list-style: decimal; }
.policy-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 20px 0; }
.policy-table th { background: var(--navy); color: white; padding: 10px 14px; text-align: left; font-size: 12.5px; }
.policy-table td { padding: 9px 14px; border-bottom: 1px solid var(--mid-gray); vertical-align: top; }
.policy-table tr:nth-child(even) td { background: var(--light-gray); }

/* ==================== FOOTER ==================== */
.site-footer { background: var(--graphite); color: rgba(255,255,255,.75); padding: 64px 0 0; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { font-size: 13.5px; color: rgba(255,255,255,.6); margin: 14px 0 22px; line-height: 1.7; }
.footer-logo .logo-text { color: white; }
.footer-logo .logo-mark { background: var(--navy); }
.footer-col h4 { font-family: 'Syne', sans-serif; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: white; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 13.5px; color: rgba(255,255,255,.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--cyan); }
.footer-contact li { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 9px; display: flex; align-items: flex-start; gap: 9px; }
.footer-contact li svg { width: 16px; height: 16px; stroke: var(--cyan); fill: none; stroke-width: 2; flex-shrink: 0; margin-top: 2px; }
.footer-contact li a { color: rgba(255,255,255,.6); }
.footer-contact li a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom p { font-size: 12.5px; color: rgba(255,255,255,.5); margin: 0; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 12.5px; color: rgba(255,255,255,.5); }
.footer-bottom-links a:hover { color: var(--cyan); }
.footer-cert { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.cert-badge { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); padding: 5px 12px; border-radius: 6px; font-size: 11.5px; color: rgba(255,255,255,.6); }

/* ==================== PAGINATION ==================== */
.pagination { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 48px; }
.page-btn { width: 38px; height: 38px; border: 1.5px solid var(--mid-gray); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 13.5px; font-weight: 600; color: var(--graphite); cursor: pointer; text-decoration: none; transition: all var(--transition); }
.page-btn:hover, .page-btn.active { background: var(--navy); color: white; border-color: var(--navy); }

/* ==================== TABS ==================== */
.tabs { border-bottom: 2px solid var(--mid-gray); display: flex; gap: 4px; margin-bottom: 32px; }
.tab-btn { padding: 11px 22px; font-size: 14px; font-weight: 600; color: var(--text-muted); background: none; border: none; border-bottom: 2.5px solid transparent; cursor: pointer; margin-bottom: -2px; transition: color var(--transition), border-color var(--transition); }
.tab-btn:hover { color: var(--navy); }
.tab-btn.active { color: var(--navy); border-bottom-color: var(--navy); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ==================== BADGES / TAGS ==================== */
.badge { display: inline-flex; align-items: center; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px; }
.badge-navy { background: var(--navy); color: white; }
.badge-cyan { background: var(--cyan); color: white; }
.badge-gray { background: var(--mid-gray); color: var(--graphite); }
.badge-green { background: #d1fae5; color: #065f46; }

/* ==================== ACCORDION ==================== */
.accordion-item { border-bottom: 1px solid var(--mid-gray); }
.accordion-trigger { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 16px 0; background: none; border: none; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--graphite); text-align: left; }
.accordion-trigger svg { width: 20px; height: 20px; stroke: var(--navy); fill: none; stroke-width: 2.5; transition: transform .25s; flex-shrink: 0; }
.accordion-trigger.open svg { transform: rotate(180deg); }
.accordion-body { overflow: hidden; max-height: 0; transition: max-height .35s ease; }
.accordion-body-inner { padding: 0 0 18px; font-size: 14.5px; color: var(--graphite-light); line-height: 1.75; }

/* ==================== RECENTLY VIEWED / WISHLIST ==================== */
.wishlist-empty, .compare-empty { text-align: center; padding: 64px 24px; color: var(--text-muted); }
.wishlist-empty svg, .compare-empty svg { width: 56px; height: 56px; stroke: var(--silver); fill: none; stroke-width: 1.5; margin: 0 auto 16px; }

/* ==================== CART ==================== */
.cart-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.cart-table th { padding: 12px 16px; border-bottom: 2px solid var(--mid-gray); text-align: left; font-size: 12.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-muted); }
.cart-table td { padding: 16px; border-bottom: 1px solid var(--mid-gray); vertical-align: middle; }
.cart-product-img { width: 70px; height: 60px; object-fit: cover; border-radius: 8px; border: 1px solid var(--mid-gray); }
.qty-input { width: 60px; padding: 6px 10px; border: 1.5px solid var(--mid-gray); border-radius: 7px; text-align: center; font-size: 14px; }
.cart-summary { background: var(--light-gray); border: 1px solid var(--mid-gray); border-radius: var(--radius-lg); padding: 28px; }
.cart-summary-row { display: flex; justify-content: space-between; font-size: 14px; padding: 8px 0; border-bottom: 1px solid var(--mid-gray); color: var(--graphite-light); }
.cart-summary-row:last-child { border: none; font-weight: 700; font-size: 1rem; color: var(--graphite); }

/* ==================== MOBILE MENU ==================== */
.mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.mobile-menu-btn svg { width: 24px; height: 24px; stroke: var(--graphite); fill: none; stroke-width: 2; }
.mobile-nav { display: none; background: var(--white); border-top: 1px solid var(--mid-gray); padding: 16px 0; }
.mobile-nav.open { display: block; }
.mobile-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 24px; font-size: 14.5px; color: var(--graphite); border-bottom: 1px solid var(--light-gray); }
.mobile-nav a:hover { background: var(--light-gray); color: var(--navy); }

/* ==================== UTILITIES ==================== */
.bg-light { background: var(--light-gray); }
.bg-navy { background: var(--navy); }
.mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; } .mt-8 { margin-top: 32px; } .mt-10 { margin-top: 40px; }
.mb-4 { margin-bottom: 16px; } .mb-6 { margin-bottom: 24px; } .mb-8 { margin-bottom: 32px; }
.pt-8 { padding-top: 32px; } .pb-8 { padding-bottom: 32px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.divider { height: 1px; background: var(--mid-gray); margin: 32px 0; }
.tag { display: inline-block; font-size: 11.5px; font-weight: 600; color: var(--navy); background: #eff6ff; padding: 4px 12px; border-radius: 20px; border: 1px solid #bfdbfe; }
.star { color: #f59e0b; font-size: 14px; }
.highlight { background: linear-gradient(120deg, rgba(6,182,212,.15) 0%, rgba(6,182,212,.08) 100%); border-radius: 4px; padding: 1px 5px; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .page-with-sidebar { grid-template-columns: 220px 1fr; }
}
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .page-with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .hero { min-height: 420px; }
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .header-search { display: none; }
  .mobile-menu-btn { display: block; }
  .nav-inner { display: none; }
  .grid-2 { grid-template-columns: 1fr; }
  .topbar-left span:not(:first-child) { display: none; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
}