:root {
  --navy: #0B1F3A;
  --navy-light: #142c52;
  --orange: #F97316;
  --gold: #D4AF37;
  --bg: #F8FAFC;
  --text: #111827;
  --muted: #6B7280;
  --border: #E5E7EB;
  --success: #15803d;
  --warning: #b45309;
  --danger: #b91c1c;
  --info: #0369a1;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  font-family: 'Inter', 'Roboto', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  margin: 0;
}

h1, h2, h3, h4, h5, .heading-font {
  font-family: 'Poppins', 'Montserrat', sans-serif;
  font-weight: 600;
  color: var(--navy);
}

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--orange); }

img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------------- Header ---------------- */
.top-bar {
  background: var(--navy);
  color: #cbd5e1;
  font-size: 13px;
  padding: 6px 0;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar a { color: #cbd5e1; margin-left: 16px; }
.top-bar a:hover { color: var(--gold); }

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 20px;
  flex-wrap: wrap;
}
.brand {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--navy);
  white-space: nowrap;
}
.brand span { color: var(--orange); }

.main-nav { display: flex; gap: 22px; flex: 1; flex-wrap: wrap; }
.main-nav a { font-weight: 500; font-size: 15px; color: var(--navy); }
.main-nav a.active { color: var(--orange); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.search-form { display: flex; }
.search-form input {
  border: 1px solid var(--border);
  border-radius: 6px 0 0 6px;
  padding: 8px 12px;
  font-size: 14px;
  width: 180px;
}
.search-form button {
  border: none;
  background: var(--navy);
  color: #fff;
  padding: 0 14px;
  border-radius: 0 6px 6px 0;
  cursor: pointer;
}
.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--navy);
  border: 1px solid var(--border);
}
.icon-btn:hover { background: var(--navy); color: #fff; }
.cart-badge {
  position: absolute; top: -6px; right: -6px;
  background: var(--orange); color: #fff;
  font-size: 11px; font-weight: 700;
  border-radius: 50%; width: 19px; height: 19px;
  display: flex; align-items: center; justify-content: center;
}
.btn-whatsapp {
  background: #25D366; color: #fff; padding: 8px 16px;
  border-radius: 6px; font-weight: 600; font-size: 14px;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-whatsapp:hover { background: #1ebe5a; color: #fff; }
.btn-call {
  background: var(--navy); color: #fff; padding: 8px 16px;
  border-radius: 6px; font-weight: 600; font-size: 14px;
}
.btn-call:hover { background: var(--navy-light); color: #fff; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.15s ease;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: #ea660c; color: #fff; }
.btn-outline { background: transparent; border-color: #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--navy); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-light); color: #fff; }
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: #c29d2c; color: var(--navy); }
.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; text-align: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------------- Hero ---------------- */
.hero {
  background: linear-gradient(120deg, var(--navy) 55%, var(--navy-light) 100%);
  color: #fff;
  padding: 70px 0;
}
.hero .container { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.hero-content { flex: 1; min-width: 280px; }
.hero-content h1 { color: #fff; font-size: 38px; line-height: 1.25; margin-bottom: 14px; }
.hero-content p { color: #cbd5e1; font-size: 16px; margin-bottom: 26px; max-width: 460px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-image { flex: 1; min-width: 280px; text-align: center; }
.hero-image img { border-radius: var(--radius); max-height: 320px; margin: 0 auto; }

/* ---------------- Sections ---------------- */
.section { padding: 56px 0; }
.section-title { text-align: center; margin-bottom: 8px; font-size: 28px; }
.section-subtitle { text-align: center; color: var(--muted); margin-bottom: 36px; }

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 18px;
}
.category-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: transform 0.15s, box-shadow 0.15s;
}
.category-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(11,31,58,0.12); }
.category-card .icon { font-size: 34px; margin-bottom: 10px; }
.category-card h3 { font-size: 15px; margin: 0; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px;
}
.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s, transform 0.15s;
}
.product-card:hover { box-shadow: 0 12px 28px rgba(11,31,58,0.12); transform: translateY(-3px); }
.product-card .thumb {
  height: 180px;
  background: #f1f5f9;
  overflow: hidden;
}
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-card .body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card .cat-tag { font-size: 11px; text-transform: uppercase; color: var(--orange); font-weight: 700; }
.product-card h3 { font-size: 15px; margin: 0; line-height: 1.3; }
.product-card .spec { font-size: 13px; color: var(--muted); }
.price-row { display: flex; align-items: baseline; gap: 8px; }
.price-current { font-weight: 700; color: var(--navy); font-size: 17px; }
.price-old { text-decoration: line-through; color: var(--muted); font-size: 13px; }
.card-actions { margin-top: auto; display: flex; gap: 8px; }
.card-actions .btn { flex: 1; padding: 9px 8px; font-size: 12px; text-align: center; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; }
.badge-success { background: #dcfce7; color: var(--success); }
.badge-warning { background: #fef3c7; color: var(--warning); }
.badge-danger  { background: #fee2e2; color: var(--danger); }
.badge-info    { background: #e0f2fe; color: var(--info); }
.badge-secondary { background: #e5e7eb; color: var(--muted); }

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 22px;
}
.why-us-item { text-align: center; padding: 20px; }
.why-us-item .icon { font-size: 30px; margin-bottom: 10px; }
.why-us-item h4 { margin: 0 0 6px; font-size: 15px; }
.why-us-item p { color: var(--muted); font-size: 13px; margin: 0; }

.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.testimonial-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.testimonial-card .stars { color: var(--gold); margin-bottom: 8px; }
.testimonial-card p { color: var(--text); font-size: 14px; }
.testimonial-card .author { color: var(--muted); font-size: 13px; margin-top: 10px; font-weight: 600; }

/* ---------------- Footer ---------------- */
.site-footer { background: var(--navy); color: #cbd5e1; padding: 50px 0 20px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; margin-bottom: 30px; }
.footer-grid h4 { color: #fff; margin-bottom: 14px; font-size: 15px; }
.footer-grid a { color: #cbd5e1; display: block; margin-bottom: 8px; font-size: 14px; }
.footer-grid a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid #26355c; padding-top: 16px; text-align: center; font-size: 13px; color: #94a3b8; }

/* ---------------- Sticky mobile bar ---------------- */
.sticky-mobile-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  background: #fff; border-top: 1px solid var(--border);
  z-index: 200; padding: 10px 14px;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
}
.sticky-mobile-bar .row { display: flex; gap: 10px; }
.sticky-mobile-bar .btn { flex: 1; text-align: center; padding: 12px 8px; font-size: 13px; }

/* ---------------- Breadcrumb ---------------- */
.breadcrumb { font-size: 13px; color: var(--muted); padding: 16px 0; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--orange); }

/* ---------------- Filters / Listing ---------------- */
.listing-layout { display: grid; grid-template-columns: 240px 1fr; gap: 28px; align-items: start; }
.filter-box { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.filter-box h4 { font-size: 14px; margin-bottom: 10px; }
.filter-box label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); margin-bottom: 6px; cursor: pointer; }
.listing-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; flex-wrap: wrap; gap: 10px; }
.listing-toolbar select, .listing-toolbar input { padding: 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }

/* ---------------- Product Detail ---------------- */
.pdp-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.pdp-gallery-main { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 12px; }
.pdp-gallery-main img { width: 100%; height: 380px; object-fit: cover; }
.pdp-thumbs { display: flex; gap: 10px; }
.pdp-thumbs img { width: 70px; height: 70px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); cursor: pointer; }
.pdp-info h1 { font-size: 26px; margin-bottom: 6px; }
.pdp-meta { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.pdp-price { font-size: 28px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.pdp-price .old { font-size: 16px; color: var(--muted); text-decoration: line-through; margin-left: 10px; }
.pdp-actions { display: flex; gap: 12px; margin: 20px 0; flex-wrap: wrap; }
.qty-selector { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.qty-selector button { border: none; background: var(--bg); width: 36px; height: 40px; cursor: pointer; font-size: 16px; }
.qty-selector input { width: 46px; text-align: center; border: none; border-left: 1px solid var(--border); border-right: 1px solid var(--border); height: 40px; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.spec-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
.spec-table td:first-child { color: var(--muted); width: 40%; }
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin: 30px 0 20px; }
.tab-btn { padding: 10px 18px; cursor: pointer; font-weight: 600; font-size: 14px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tab-btn.active { color: var(--navy); border-color: var(--orange); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------------- Cart / Checkout ---------------- */
.cart-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; }
.cart-table th, .cart-table td { padding: 14px; border-bottom: 1px solid var(--border); text-align: left; font-size: 14px; }
.cart-table th { background: var(--bg); font-family: 'Poppins', sans-serif; font-size: 12px; text-transform: uppercase; color: var(--muted); }
.cart-product { display: flex; align-items: center; gap: 12px; }
.cart-product img { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; }
.cart-summary { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.cart-summary .row { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 14px; }
.cart-summary .total-row { font-weight: 700; font-size: 17px; border-top: 1px solid var(--border); padding-top: 12px; margin-top: 8px; }
.checkout-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 30px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: inherit;
}
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; }
.radio-option { border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; cursor: pointer; }
.radio-option input { width: auto; }
.radio-option.checked { border-color: var(--orange); background: #fff7ed; }

.alert { padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; }
.alert-success { background: #dcfce7; color: var(--success); }
.alert-danger { background: #fee2e2; color: var(--danger); }
.alert-info { background: #e0f2fe; color: var(--info); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state .icon { font-size: 50px; margin-bottom: 16px; }

.page-title-bar { background: #fff; border-bottom: 1px solid var(--border); padding: 30px 0; margin-bottom: 30px; }
.page-title-bar h1 { margin: 0; font-size: 26px; }

.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 10px; overflow: hidden; }
.faq-question { padding: 16px 18px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-answer { padding: 0 18px; max-height: 0; overflow: hidden; transition: max-height 0.2s ease; color: var(--muted); font-size: 14px; }
.faq-item.open .faq-answer { padding: 0 18px 16px; max-height: 300px; }

@media (max-width: 900px) {
  .pdp-layout, .checkout-layout, .listing-layout { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .sticky-mobile-bar { display: block; }
  body { padding-bottom: 66px; }
}