/* ==============================================
   NEXVERO — Professional Computing Marketplace
   Main Stylesheet
   ============================================== */

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

/* ---------- CSS Variables ---------- */
:root {
  --white:     #FFFFFF;
  --graphite:  #1F2937;
  --blue:      #2563EB;
  --blue-dark: #1D4ED8;
  --blue-light:#EFF6FF;
  --emerald:   #059669;
  --amber:     #D97706;
  --gray-50:   #F9FAFB;
  --gray-100:  #F3F4F6;
  --gray-200:  #E5E7EB;
  --gray-300:  #D1D5DB;
  --gray-400:  #9CA3AF;
  --gray-500:  #6B7280;
  --gray-600:  #4B5563;
  --gray-700:  #374151;
  --gray-800:  #1F2937;
  --gray-900:  #111827;
  --radius:    8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:    0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-md: 0 10px 15px rgba(0,0,0,.08), 0 4px 6px rgba(0,0,0,.05);
  --shadow-lg: 0 20px 25px rgba(0,0,0,.08), 0 10px 10px rgba(0,0,0,.04);
  --transition: 0.22s ease;
  --font-sans:  'Inter', sans-serif;
  --font-head:  'Manrope', sans-serif;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--graphite);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-dark); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-sans); }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-head); font-weight: 700; line-height: 1.25; color: var(--gray-900); }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p { line-height: 1.7; color: var(--gray-600); }

/* ---------- Layout Utilities ---------- */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-wide { width: 100%; max-width: 1440px; margin: 0 auto; padding: 0 32px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.grid { display: grid; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: var(--radius);
  font-size: 0.9375rem; font-weight: 600;
  transition: all var(--transition); cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue); color: #fff;
  box-shadow: 0 2px 8px rgba(37,99,235,.35);
}
.btn-primary:hover { background: var(--blue-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(37,99,235,.4); }
.btn-secondary {
  background: var(--white); color: var(--graphite);
  border: 1.5px solid var(--gray-200);
}
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }
.btn-emerald { background: var(--emerald); color: #fff; }
.btn-emerald:hover { background: #047857; color: #fff; }
.btn-outline-blue {
  background: transparent; color: var(--blue);
  border: 1.5px solid var(--blue);
}
.btn-outline-blue:hover { background: var(--blue); color: #fff; }
.btn-sm { padding: 7px 16px; font-size: 0.875rem; }
.btn-lg { padding: 14px 32px; font-size: 1.0625rem; }
.btn-icon { padding: 9px; border-radius: var(--radius); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Top Bar ---------- */
.topbar {
  background: var(--graphite); color: #fff;
  font-size: 0.8125rem; padding: 8px 0;
}
.topbar a { color: var(--gray-300); }
.topbar a:hover { color: #fff; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.topbar-links { display: flex; gap: 24px; }
.topbar-contact { display: flex; gap: 20px; }

/* ---------- Header ---------- */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex; align-items: center;
  gap: 24px; padding: 16px 0;
}
.logo {
  font-family: var(--font-head);
  font-size: 1.625rem; font-weight: 800;
  color: var(--graphite); flex-shrink: 0;
}
.logo span { color: var(--blue); }
.logo:hover { color: var(--graphite); }

.search-form {
  flex: 1; max-width: 560px;
  display: flex; position: relative;
}
.search-input {
  width: 100%; padding: 10px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius) 0 0 var(--radius);
  font-size: 0.9375rem; font-family: var(--font-sans);
  outline: none; transition: border-color var(--transition);
  color: var(--graphite);
}
.search-input:focus { border-color: var(--blue); }
.search-btn {
  padding: 10px 20px; background: var(--blue); color: #fff;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9375rem; font-weight: 500;
  transition: background var(--transition);
}
.search-btn:hover { background: var(--blue-dark); }

.header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.action-btn {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 8px 12px; border-radius: var(--radius);
  font-size: 0.75rem; font-weight: 500; color: var(--gray-600);
  transition: all var(--transition); position: relative;
}
.action-btn:hover { background: var(--gray-100); color: var(--blue); }
.action-btn svg { width: 22px; height: 22px; }
.cart-count {
  position: absolute; top: 4px; right: 8px;
  background: var(--blue); color: #fff;
  font-size: 0.625rem; font-weight: 700;
  min-width: 16px; height: 16px;
  border-radius: 8px; display: flex;
  align-items: center; justify-content: center;
  padding: 0 4px;
}

/* ---------- Main Navigation ---------- */
.main-nav { background: var(--gray-50); border-bottom: 1px solid var(--gray-200); }
.nav-inner { display: flex; align-items: stretch; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 14px 18px; font-size: 0.9rem; font-weight: 500;
  color: var(--gray-700); white-space: nowrap;
  transition: all var(--transition);
  border-bottom: 2px solid transparent;
}
.nav-link:hover, .nav-link.active {
  color: var(--blue); border-color: var(--blue);
  background: var(--blue-light);
}
.nav-link svg { width: 14px; height: 14px; }

/* Mega-menu / Dropdown */
.nav-dropdown {
  display: none; position: absolute; top: 100%; left: 0;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  box-shadow: var(--shadow-lg); min-width: 220px;
  z-index: 200; padding: 8px 0;
}
.nav-item:hover .nav-dropdown { display: block; }
.nav-dropdown a {
  display: block; padding: 9px 20px;
  font-size: 0.875rem; color: var(--gray-700);
  transition: all var(--transition);
}
.nav-dropdown a:hover { background: var(--blue-light); color: var(--blue); }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { padding: 12px 0; font-size: 0.8125rem; color: var(--gray-500); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.breadcrumbs li::after { content: '/'; margin-left: 6px; color: var(--gray-300); }
.breadcrumbs li:last-child::after { display: none; }
.breadcrumbs a { color: var(--blue); }
.breadcrumbs li:last-child { color: var(--gray-700); font-weight: 500; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--gray-900) 0%, #0f172a 60%, #1e3a5f 100%);
  padding: 80px 0; overflow: hidden; position: relative;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.hero-content { position: relative; z-index: 2; }
.hero-eyebrow {
  font-size: 0.875rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: #60a5fa; margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-head); font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 800; line-height: 1.15; color: #fff; margin-bottom: 24px;
}
.hero-title em { color: #60a5fa; font-style: normal; }
.hero-desc { font-size: 1.0625rem; color: #cbd5e1; line-height: 1.7; margin-bottom: 36px; max-width: 500px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-image { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero-image img { width: 100%; height: 440px; object-fit: cover; }
.hero-stats {
  display: flex; gap: 32px; margin-top: 48px;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stat-num { font-size: 1.875rem; font-weight: 800; color: #fff; font-family: var(--font-head); }
.hero-stat-lbl { font-size: 0.8125rem; color: #94a3b8; margin-top: 2px; }

/* ---------- Section Headers ---------- */
.section-header { margin-bottom: 40px; }
.section-eyebrow {
  font-size: 0.8125rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 8px;
}
.section-title { font-family: var(--font-head); margin-bottom: 12px; }
.section-desc { font-size: 1.0625rem; color: var(--gray-500); max-width: 600px; }

/* ---------- Category Cards ---------- */
.categories-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.category-card {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition); cursor: pointer;
}
.category-card:hover { border-color: var(--blue); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.category-card-img { height: 180px; overflow: hidden; background: var(--gray-100); }
.category-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.category-card:hover .category-card-img img { transform: scale(1.05); }
.category-card-body { padding: 16px; }
.category-card-title { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.category-card-count { font-size: 0.8125rem; color: var(--gray-400); }

/* ---------- Product Cards ---------- */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.products-grid-4 { grid-template-columns: repeat(4, 1fr); }
.product-card {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition); display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-lg); border-color: var(--gray-300); transform: translateY(-2px); }
.product-card-img {
  height: 220px; background: var(--gray-50);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.product-card-img img { width: 100%; height: 100%; object-fit: contain; padding: 16px; transition: transform 0.4s ease; }
.product-card:hover .product-card-img img { transform: scale(1.04); }
.product-card-actions {
  position: absolute; top: 12px; right: 12px;
  display: flex; flex-direction: column; gap: 6px;
  opacity: 0; transition: opacity var(--transition);
}
.product-card:hover .product-card-actions { opacity: 1; }
.product-card-actions button {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--white); box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-600); transition: all var(--transition);
}
.product-card-actions button:hover { background: var(--blue); color: #fff; }
.product-card-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.product-brand { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--blue); margin-bottom: 6px; }
.product-name { font-size: 0.9375rem; font-weight: 600; color: var(--gray-900); line-height: 1.4; margin-bottom: 8px; }
.product-specs { font-size: 0.8125rem; color: var(--gray-500); line-height: 1.6; margin-bottom: 12px; flex: 1; }
.product-rating { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; }
.stars { color: #f59e0b; font-size: 0.875rem; letter-spacing: 1px; }
.rating-count { font-size: 0.75rem; color: var(--gray-400); }
.product-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-top: 12px; border-top: 1px solid var(--gray-100); }
.product-price { display: flex; flex-direction: column; }
.price-main { font-size: 1.25rem; font-weight: 800; color: var(--graphite); font-family: var(--font-head); }
.price-old { font-size: 0.8125rem; color: var(--gray-400); text-decoration: line-through; }
.price-discount { font-size: 0.75rem; font-weight: 700; color: var(--emerald); }
.add-cart-btn {
  background: var(--blue); color: #fff;
  padding: 8px 14px; border-radius: var(--radius);
  font-size: 0.8125rem; font-weight: 600;
  transition: all var(--transition);
}
.add-cart-btn:hover { background: var(--blue-dark); }

/* ---------- Spec Tags ---------- */
.spec-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.spec-tag {
  background: var(--gray-100); color: var(--gray-600);
  font-size: 0.75rem; font-weight: 500; padding: 3px 10px;
  border-radius: 20px; border: 1px solid var(--gray-200);
}

/* ---------- Sidebar Layout ---------- */
.with-sidebar { display: grid; grid-template-columns: 260px 1fr; gap: 32px; align-items: start; }
.sidebar { position: sticky; top: 90px; }
.sidebar-block {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 20px; margin-bottom: 20px;
}
.sidebar-block-title {
  font-size: 0.9375rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-100);
}
.filter-group { margin-bottom: 18px; }
.filter-group-title { font-size: 0.8125rem; font-weight: 600; color: var(--gray-700); margin-bottom: 10px; text-transform: uppercase; letter-spacing: .05em; }
.filter-option { display: flex; align-items: center; gap: 10px; padding: 5px 0; cursor: pointer; }
.filter-option input[type="checkbox"] { accent-color: var(--blue); width: 15px; height: 15px; }
.filter-option label { font-size: 0.875rem; color: var(--gray-600); cursor: pointer; flex: 1; }
.filter-count { font-size: 0.75rem; color: var(--gray-400); }
.price-range-inputs { display: flex; gap: 10px; align-items: center; }
.price-range-inputs input {
  width: 100%; padding: 7px 10px; border: 1.5px solid var(--gray-200);
  border-radius: var(--radius); font-size: 0.875rem; color: var(--graphite);
  outline: none;
}
.price-range-inputs input:focus { border-color: var(--blue); }

/* ---------- Product Listing Toolbar ---------- */
.listing-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; padding: 14px 16px;
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius); margin-bottom: 24px;
}
.listing-count { font-size: 0.875rem; color: var(--gray-500); }
.listing-sort { display: flex; align-items: center; gap: 10px; }
.sort-select {
  padding: 8px 14px; border: 1.5px solid var(--gray-200);
  border-radius: var(--radius); font-size: 0.875rem;
  color: var(--graphite); background: var(--white); outline: none; cursor: pointer;
}
.sort-select:focus { border-color: var(--blue); }
.view-toggle { display: flex; gap: 4px; }
.view-btn {
  padding: 7px; border-radius: var(--radius);
  color: var(--gray-400); border: 1.5px solid var(--gray-200);
  background: var(--white); transition: all var(--transition);
}
.view-btn.active, .view-btn:hover { color: var(--blue); border-color: var(--blue); background: var(--blue-light); }

/* ---------- Comparison Table ---------- */
.comparison-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.comparison-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.comparison-table th {
  background: var(--graphite); color: #fff; padding: 14px 20px;
  text-align: left; font-weight: 600; font-size: 0.875rem;
  white-space: nowrap;
}
.comparison-table th:first-child { background: var(--gray-700); }
.comparison-table td { padding: 12px 20px; border-bottom: 1px solid var(--gray-100); vertical-align: middle; }
.comparison-table tr:nth-child(even) td { background: var(--gray-50); }
.comparison-table tr:hover td { background: var(--blue-light); }
.comparison-table td:first-child { font-weight: 600; color: var(--gray-700); background: var(--gray-50); white-space: nowrap; }
.spec-winner { color: var(--emerald); font-weight: 700; }
.spec-good { color: var(--graphite); }
.spec-badge { display: inline-flex; align-items: center; gap: 4px; font-size: 0.75rem; font-weight: 600; padding: 2px 8px; border-radius: 12px; }
.spec-badge.best { background: #d1fae5; color: var(--emerald); }
.spec-badge.mid { background: #fef3c7; color: var(--amber); }

/* ---------- Price History Chart ---------- */
.price-chart-wrap {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 24px; margin-top: 24px;
}
.chart-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.chart-title { font-size: 1rem; font-weight: 700; }
.chart-legend { display: flex; gap: 16px; font-size: 0.8125rem; }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }
.price-summary-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.price-stat-card {
  background: var(--gray-50); border-radius: var(--radius);
  padding: 16px; text-align: center;
}
.pstat-label { font-size: 0.75rem; color: var(--gray-500); margin-bottom: 6px; }
.pstat-value { font-size: 1.375rem; font-weight: 800; font-family: var(--font-head); color: var(--gray-900); }
.pstat-value.low { color: var(--emerald); }
.pstat-value.high { color: var(--amber); }

/* ---------- Brand Logos ---------- */
.brands-strip {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: center;
}
.brand-logo-card {
  display: flex; align-items: center; justify-content: center;
  padding: 16px 24px; background: var(--white);
  border: 1.5px solid var(--gray-200); border-radius: var(--radius-lg);
  min-width: 120px; transition: all var(--transition);
  font-weight: 700; font-size: 0.9375rem; color: var(--gray-500);
}
.brand-logo-card:hover { border-color: var(--blue); color: var(--blue); box-shadow: var(--shadow); }

/* ---------- Blog Cards ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition);
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.blog-card-img { height: 200px; overflow: hidden; background: var(--gray-100); }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.blog-card:hover .blog-card-img img { transform: scale(1.04); }
.blog-card-body { padding: 20px; }
.blog-meta { display: flex; gap: 12px; font-size: 0.75rem; color: var(--gray-400); margin-bottom: 10px; align-items: center; }
.blog-category-tag {
  display: inline-block; background: var(--blue-light); color: var(--blue);
  font-size: 0.75rem; font-weight: 600; padding: 2px 10px; border-radius: 20px;
}
.blog-card-title { font-size: 1rem; font-weight: 700; color: var(--gray-900); line-height: 1.4; margin-bottom: 8px; }
.blog-card-excerpt { font-size: 0.875rem; color: var(--gray-500); line-height: 1.6; margin-bottom: 14px; }
.blog-read-more { font-size: 0.875rem; font-weight: 600; color: var(--blue); display: flex; align-items: center; gap: 4px; }
.blog-read-more:hover { gap: 8px; }

/* ---------- Info Boxes ---------- */
.info-box {
  border-radius: var(--radius-lg); padding: 24px;
  display: flex; gap: 16px; align-items: flex-start;
}
.info-box.blue { background: var(--blue-light); border: 1px solid #bfdbfe; }
.info-box.green { background: #d1fae5; border: 1px solid #a7f3d0; }
.info-box.amber { background: #fef3c7; border: 1px solid #fde68a; }
.info-box-icon { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.info-box.blue .info-box-icon { background: #dbeafe; color: var(--blue); }
.info-box.green .info-box-icon { background: #a7f3d0; color: var(--emerald); }
.info-box.amber .info-box-icon { background: #fde68a; color: var(--amber); }
.info-box-text p { font-size: 0.875rem; color: var(--gray-600); margin-top: 4px; }

/* ---------- Compatibility Block ---------- */
.compat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.compat-card {
  background: var(--gray-50); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius); padding: 16px;
  display: flex; align-items: center; gap: 14px;
}
.compat-icon {
  width: 44px; height: 44px; border-radius: var(--radius);
  background: var(--blue-light); color: var(--blue);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.compat-title { font-size: 0.875rem; font-weight: 700; color: var(--gray-900); }
.compat-desc { font-size: 0.75rem; color: var(--gray-500); margin-top: 2px; }

/* ---------- Product Detail ---------- */
.product-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start;
}
.product-gallery { position: sticky; top: 90px; }
.product-main-img {
  background: var(--gray-50); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-xl); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  height: 420px;
}
.product-main-img img { max-height: 100%; max-width: 100%; object-fit: contain; padding: 24px; }
.product-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.product-thumb {
  width: 72px; height: 72px; border: 1.5px solid var(--gray-200);
  border-radius: var(--radius); background: var(--gray-50);
  cursor: pointer; overflow: hidden; transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.product-thumb.active, .product-thumb:hover { border-color: var(--blue); }
.product-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }
.product-info .product-brand-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.product-info h1 { font-size: clamp(1.4rem, 2.5vw, 2rem); margin-bottom: 16px; }
.product-info .product-rating { margin-bottom: 20px; }
.product-price-block {
  background: var(--gray-50); border-radius: var(--radius-lg);
  padding: 20px; margin-bottom: 20px;
}
.product-price-main { font-size: 2rem; font-weight: 800; font-family: var(--font-head); color: var(--graphite); }
.product-price-vat { font-size: 0.8125rem; color: var(--gray-400); margin-top: 4px; }
.product-availability { display: flex; align-items: center; gap: 6px; font-size: 0.875rem; font-weight: 600; color: var(--emerald); margin-top: 10px; }
.product-qty-row { display: flex; align-items: center; gap: 14px; margin-top: 16px; }
.qty-control {
  display: flex; align-items: center; border: 1.5px solid var(--gray-200);
  border-radius: var(--radius); overflow: hidden;
}
.qty-btn {
  width: 36px; height: 38px; background: var(--gray-100);
  font-size: 1.2rem; color: var(--gray-600); transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.qty-btn:hover { background: var(--gray-200); }
.qty-input {
  width: 48px; text-align: center; border: none; font-size: 0.9375rem;
  font-weight: 600; color: var(--graphite); outline: none; padding: 8px 0;
}
.product-spec-list { margin-top: 24px; }
.spec-row {
  display: flex; padding: 10px 0; border-bottom: 1px solid var(--gray-100);
  font-size: 0.875rem;
}
.spec-row:last-child { border-bottom: none; }
.spec-label { width: 40%; color: var(--gray-500); flex-shrink: 0; }
.spec-value { font-weight: 500; color: var(--gray-900); }

/* ---------- Tabs ---------- */
.tabs-nav { display: flex; border-bottom: 2px solid var(--gray-200); margin-bottom: 28px; overflow-x: auto; }
.tab-btn {
  padding: 12px 24px; font-size: 0.9375rem; font-weight: 600;
  color: var(--gray-500); border-bottom: 2px solid transparent;
  margin-bottom: -2px; white-space: nowrap; transition: all var(--transition);
}
.tab-btn:hover, .tab-btn.active { color: var(--blue); border-color: var(--blue); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ---------- Review Cards ---------- */
.review-card {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 20px; margin-bottom: 16px;
}
.review-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.reviewer-name { font-weight: 700; font-size: 0.9375rem; }
.review-date { font-size: 0.8125rem; color: var(--gray-400); }
.review-text { font-size: 0.875rem; color: var(--gray-600); line-height: 1.7; }
.verified-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.75rem; color: var(--emerald); font-weight: 600;
}

/* ---------- Newsletter ---------- */
.newsletter-section {
  background: var(--graphite); padding: 64px 0;
}
.newsletter-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap;
}
.newsletter-text h2 { color: #fff; font-family: var(--font-head); margin-bottom: 10px; }
.newsletter-text p { color: #94a3b8; }
.newsletter-form { display: flex; gap: 10px; flex: 1; max-width: 480px; }
.newsletter-input {
  flex: 1; padding: 12px 18px; border-radius: var(--radius);
  border: none; font-size: 0.9375rem; color: var(--graphite); outline: none;
}
.newsletter-success { display: none; color: #6ee7b7; font-weight: 600; font-size: 0.9375rem; }

/* ---------- Trust Badges ---------- */
.trust-bar {
  background: var(--gray-50); border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200); padding: 28px 0;
}
.trust-items {
  display: flex; align-items: center; justify-content: space-around;
  flex-wrap: wrap; gap: 20px;
}
.trust-item { display: flex; align-items: center; gap: 12px; }
.trust-icon {
  width: 44px; height: 44px; background: var(--blue-light);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--blue); flex-shrink: 0;
}
.trust-title { font-size: 0.9rem; font-weight: 700; color: var(--gray-900); }
.trust-desc { font-size: 0.75rem; color: var(--gray-400); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--gray-900); color: var(--gray-300);
  padding-top: 64px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 40px; padding-bottom: 48px;
  border-bottom: 1px solid var(--gray-700);
}
.footer-logo { font-family: var(--font-head); font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-logo span { color: #60a5fa; }
.footer-about { font-size: 0.875rem; line-height: 1.7; color: var(--gray-400); margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.social-link {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--gray-700); color: var(--gray-300);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.social-link:hover { background: var(--blue); color: #fff; }
.footer-col-title { font-size: 0.875rem; font-weight: 700; color: #fff; margin-bottom: 16px; text-transform: uppercase; letter-spacing: .06em; }
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a { font-size: 0.875rem; color: var(--gray-400); transition: color var(--transition); }
.footer-links a:hover { color: var(--white); }
.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-contact-item { display: flex; gap: 10px; align-items: flex-start; font-size: 0.875rem; color: var(--gray-400); }
.footer-contact-item svg { flex-shrink: 0; color: var(--blue); margin-top: 2px; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; padding: 20px 0;
  font-size: 0.8125rem; color: var(--gray-500);
}
.footer-bottom a { color: var(--gray-400); }
.footer-bottom a:hover { color: var(--white); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-payment { display: flex; gap: 8px; align-items: center; }
.payment-badge {
  background: var(--gray-700); color: var(--gray-300);
  padding: 4px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 700;
}

/* ---------- Cart Sidebar ---------- */
.cart-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  z-index: 900; display: none;
}
.cart-overlay.open { display: block; }
.cart-panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: 420px;
  background: var(--white); z-index: 901;
  transform: translateX(100%); transition: transform 0.3s ease;
  display: flex; flex-direction: column;
  box-shadow: -4px 0 24px rgba(0,0,0,.12);
}
.cart-panel.open { transform: translateX(0); }
.cart-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--gray-200);
}
.cart-panel-title { font-size: 1.0625rem; font-weight: 700; }
.cart-close { padding: 6px; color: var(--gray-500); }
.cart-items { flex: 1; overflow-y: auto; padding: 16px 24px; }
.cart-item {
  display: flex; gap: 14px; padding: 14px 0;
  border-bottom: 1px solid var(--gray-100);
}
.cart-item-img { width: 72px; height: 72px; background: var(--gray-100); border-radius: var(--radius); overflow: hidden; flex-shrink: 0; }
.cart-item-img img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }
.cart-item-name { font-size: 0.875rem; font-weight: 600; color: var(--gray-900); margin-bottom: 4px; }
.cart-item-price { font-size: 0.9375rem; font-weight: 700; color: var(--graphite); }
.cart-item-remove { font-size: 0.75rem; color: var(--gray-400); cursor: pointer; margin-top: 4px; }
.cart-item-remove:hover { color: #ef4444; }
.cart-footer { padding: 20px 24px; border-top: 1px solid var(--gray-200); }
.cart-total-row { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 0.875rem; }
.cart-total-main { font-size: 1.125rem; font-weight: 700; color: var(--gray-900); }
.cart-empty { text-align: center; padding: 48px 0; color: var(--gray-400); }
.cart-empty svg { width: 48px; height: 48px; margin: 0 auto 12px; opacity: .5; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--gray-700); margin-bottom: 8px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 11px 16px;
  border: 1.5px solid var(--gray-200); border-radius: var(--radius);
  font-size: 0.9375rem; font-family: var(--font-sans); color: var(--graphite);
  outline: none; transition: border-color var(--transition); background: var(--white);
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--blue); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-hint { font-size: 0.75rem; color: var(--gray-400); margin-top: 5px; }
.form-error { font-size: 0.75rem; color: #ef4444; margin-top: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-success {
  background: #d1fae5; border: 1px solid #6ee7b7;
  border-radius: var(--radius-lg); padding: 20px 24px;
  display: flex; align-items: center; gap: 14px;
  color: #065f46; font-size: 0.9375rem; font-weight: 600;
  display: none;
}
.form-success.visible { display: flex; }
.form-success svg { width: 28px; height: 28px; flex-shrink: 0; }

/* ---------- Pagination ---------- */
.pagination { display: flex; gap: 6px; align-items: center; justify-content: center; padding-top: 40px; }
.page-btn {
  width: 38px; height: 38px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.875rem; font-weight: 600; color: var(--gray-600);
  border: 1.5px solid var(--gray-200); background: var(--white);
  transition: all var(--transition);
}
.page-btn:hover, .page-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.page-ellipsis { padding: 0 6px; color: var(--gray-400); }

/* ---------- Alerts / Notifications ---------- */
.alert { border-radius: var(--radius); padding: 14px 18px; margin-bottom: 16px; font-size: 0.875rem; display: flex; gap: 10px; align-items: flex-start; }
.alert-info { background: var(--blue-light); border-left: 3px solid var(--blue); color: var(--graphite); }
.alert-success { background: #d1fae5; border-left: 3px solid var(--emerald); color: #065f46; }
.alert-warning { background: #fef3c7; border-left: 3px solid var(--amber); color: #92400e; }

/* ---------- Steps / Checkout ---------- */
.checkout-steps { display: flex; align-items: center; gap: 0; margin-bottom: 40px; }
.checkout-step {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; font-size: 0.875rem; font-weight: 600;
  color: var(--gray-400); position: relative;
}
.checkout-step.active { color: var(--blue); }
.checkout-step.done { color: var(--emerald); }
.step-num {
  width: 28px; height: 28px; border-radius: 50%; border: 2px solid currentColor;
  display: flex; align-items: center; justify-content: center; font-size: 0.8125rem;
  font-weight: 700; flex-shrink: 0;
}
.checkout-step.done .step-num { background: var(--emerald); border-color: var(--emerald); color: #fff; }
.checkout-step.active .step-num { background: var(--blue); border-color: var(--blue); color: #fff; }
.checkout-sep { flex: 1; height: 1px; background: var(--gray-200); min-width: 32px; }

/* ---------- Account ---------- */
.account-sidebar {
  width: 260px; flex-shrink: 0;
}
.account-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius);
  font-size: 0.9375rem; color: var(--gray-600); font-weight: 500;
  transition: all var(--transition); margin-bottom: 2px;
}
.account-nav a:hover, .account-nav a.active { background: var(--blue-light); color: var(--blue); }
.account-nav a svg { width: 18px; height: 18px; }

/* ---------- Policy Pages ---------- */
.policy-content { max-width: 820px; }
.policy-content h2 { font-size: 1.375rem; margin: 36px 0 14px; color: var(--gray-900); }
.policy-content h3 { font-size: 1.125rem; margin: 24px 0 10px; color: var(--gray-800); }
.policy-content p { margin-bottom: 14px; font-size: 0.9375rem; line-height: 1.8; }
.policy-content ul, .policy-content ol { padding-left: 24px; margin-bottom: 16px; }
.policy-content li { margin-bottom: 8px; font-size: 0.9375rem; line-height: 1.7; color: var(--gray-600); }
.policy-content ul { list-style: disc; }
.policy-content ol { list-style: decimal; }
.policy-toc {
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 20px 24px; margin-bottom: 36px;
}
.policy-toc-title { font-size: 0.875rem; font-weight: 700; margin-bottom: 10px; }
.policy-toc ol { padding-left: 18px; }
.policy-toc li { margin-bottom: 6px; }
.policy-toc a { font-size: 0.875rem; color: var(--blue); }
.policy-meta { font-size: 0.8125rem; color: var(--gray-400); margin-bottom: 32px; }

/* ---------- Map / Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-info-block { margin-bottom: 28px; }
.contact-icon-row { display: flex; align-items: center; gap: 14px; }
.contact-icon-box { width: 44px; height: 44px; border-radius: var(--radius); background: var(--blue-light); color: var(--blue); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-label { font-size: 0.8125rem; color: var(--gray-400); font-weight: 500; }
.contact-info-value { font-size: 1rem; font-weight: 600; color: var(--gray-900); margin-top: 2px; }
.map-placeholder {
  background: var(--gray-100); border-radius: var(--radius-xl);
  height: 320px; display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--gray-200); position: relative; overflow: hidden;
}
.map-placeholder iframe { width: 100%; height: 100%; border: none; }

/* ---------- About Page ---------- */
.about-hero { padding: 80px 0; background: linear-gradient(135deg, var(--gray-900) 0%, #0f172a 100%); color: #fff; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 24px; text-align: center;
  transition: all var(--transition);
}
.team-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.team-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  background: var(--blue-light); margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 800; color: var(--blue);
}
.team-name { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.team-role { font-size: 0.8125rem; color: var(--gray-500); }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 28px;
  transition: all var(--transition);
}
.value-card:hover { box-shadow: var(--shadow-md); border-color: var(--blue); }
.value-icon { width: 52px; height: 52px; border-radius: var(--radius-lg); background: var(--blue-light); color: var(--blue); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.value-title { font-size: 1.0625rem; font-weight: 700; margin-bottom: 8px; }
.value-desc { font-size: 0.875rem; color: var(--gray-500); line-height: 1.7; }

/* ---------- Guide Page ---------- */
.guide-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  padding: 72px 0; color: #fff;
}
.guide-meta { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.guide-tag { background: rgba(255,255,255,.15); padding: 4px 12px; border-radius: 20px; font-size: 0.8125rem; font-weight: 600; color: #93c5fd; }
.guide-content-wrap { display: grid; grid-template-columns: 1fr 280px; gap: 48px; align-items: start; }
.guide-toc {
  background: var(--white); border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 20px; position: sticky; top: 90px;
}
.guide-toc-title { font-size: 0.875rem; font-weight: 700; margin-bottom: 12px; }
.guide-toc a { display: block; font-size: 0.875rem; color: var(--gray-600); padding: 5px 0; border-left: 2px solid var(--gray-200); padding-left: 10px; transition: all var(--transition); }
.guide-toc a:hover { color: var(--blue); border-color: var(--blue); }
.article-body h2 { font-size: 1.5rem; margin: 40px 0 16px; color: var(--gray-900); }
.article-body h3 { font-size: 1.125rem; margin: 28px 0 12px; color: var(--gray-800); }
.article-body p { margin-bottom: 16px; font-size: 1rem; line-height: 1.8; color: var(--gray-700); }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 20px; }
.article-body li { margin-bottom: 8px; font-size: 1rem; line-height: 1.7; color: var(--gray-700); }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
.article-body table th { background: var(--gray-100); padding: 10px 14px; text-align: left; font-size: 0.875rem; font-weight: 700; border: 1px solid var(--gray-200); }
.article-body table td { padding: 10px 14px; font-size: 0.875rem; border: 1px solid var(--gray-200); }
.article-body table tr:nth-child(even) td { background: var(--gray-50); }

/* ---------- Utility ---------- */
.divider { height: 1px; background: var(--gray-200); margin: 32px 0; }
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; }
.badge-blue { background: var(--blue-light); color: var(--blue); }
.badge-emerald { background: #d1fae5; color: var(--emerald); }
.badge-amber { background: #fef3c7; color: var(--amber); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }
.text-blue { color: var(--blue); }
.text-emerald { color: var(--emerald); }
.text-amber { color: var(--amber); }
.text-muted { color: var(--gray-400); }
.fw-700 { font-weight: 700; }
.fw-600 { font-weight: 600; }
.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.bg-white { background: var(--white); }
.bg-gray { background: var(--gray-50); }
.border { border: 1.5px solid var(--gray-200); }
.card { background: var(--white); border: 1.5px solid var(--gray-200); border-radius: var(--radius-lg); padding: 24px; }
.highlight-box {
  background: var(--blue-light); border-left: 4px solid var(--blue);
  padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
}
.highlight-box p { color: var(--graphite); margin: 0; font-size: 0.9375rem; }

/* ---------- Mobile Menu ---------- */
.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.mobile-menu-btn span { display: block; width: 22px; height: 2px; background: var(--gray-700); transition: all var(--transition); }
.mobile-nav { display: none; background: var(--white); border-top: 1px solid var(--gray-200); padding: 12px 0; }
.mobile-nav.open { display: block; }
.mobile-nav a { display: block; padding: 11px 24px; font-size: 0.9375rem; color: var(--gray-700); font-weight: 500; border-bottom: 1px solid var(--gray-100); }
.mobile-nav a:hover { background: var(--blue-light); color: var(--blue); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { display: none; }
  .with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .topbar { display: none; }
  .search-form { display: none; }
  .mobile-menu-btn { display: flex; }
  .main-nav .nav-inner { display: none; }
  .header-inner { flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr; }
  .newsletter-inner { flex-direction: column; }
  .newsletter-form { flex-direction: column; }
  .trust-items { justify-content: flex-start; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .guide-content-wrap { grid-template-columns: 1fr; }
  .guide-toc { position: static; }
  .checkout-steps { flex-wrap: wrap; }
  .products-grid { grid-template-columns: 1fr; }
  .price-summary-cards { grid-template-columns: 1fr; }
  .footer-payment { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .hero { padding: 48px 0; }
  .hero-actions { flex-direction: column; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .categories-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .cart-panel { width: 100%; }
}