:root {
  --navy: #0a1f44;
  --navy-light: #14336b;
  --orange: #f7941d;
  --orange-dark: #dd7f0d;
  --bg: #f7f8fa;
  --white: #ffffff;
  --gray-100: #f1f2f4;
  --gray-300: #d8dce1;
  --gray-500: #8a92a0;
  --gray-700: #4d5561;
  --text: #1c2430;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(10, 31, 68, 0.08);
  --shadow-lg: 0 12px 32px rgba(10, 31, 68, 0.14);
  --max-width: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Top utility bar ---------- */
.utility-bar {
  background: var(--navy);
  color: #cfd8ea;
  font-size: 13px;
  padding: 6px 0;
}
.utility-bar .container { display: flex; justify-content: space-between; align-items: center; }
.utility-bar a { color: #cfd8ea; }
.utility-bar a:hover { color: var(--orange); }

/* ---------- Header ---------- */
header.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-300);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; color: var(--navy); }
.logo-mark-img { height: 42px; width: auto; }
.logo span.x { color: var(--orange); }

nav.main-nav { display: flex; gap: 26px; }
nav.main-nav a {
  font-weight: 600; font-size: 15px; color: var(--navy);
  padding: 6px 0; border-bottom: 2px solid transparent;
}
nav.main-nav a:hover, nav.main-nav a.active { border-bottom-color: var(--orange); color: var(--orange-dark); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.search-box { position: relative; }
.search-box input {
  border: 1px solid var(--gray-300); border-radius: 30px;
  padding: 9px 16px 9px 38px; width: 220px; font-size: 14px; background: var(--gray-100);
}
.search-box svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; opacity: .5; }

.cart-link { position: relative; display: flex; align-items: center; gap: 6px; font-weight: 700; color: var(--navy); }
.cart-count {
  background: var(--orange); color: #fff; font-size: 11px; font-weight: 800;
  border-radius: 50%; width: 19px; height: 19px; display: flex; align-items: center; justify-content: center;
  position: absolute; top: -8px; right: -10px;
}
.mobile-nav-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--navy); }

@media (max-width: 900px) {
  nav.main-nav { display: none; }
  .search-box { display: none; }
  .mobile-nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff; padding: 64px 0; text-align: left;
}
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 42px; line-height: 1.15; margin: 0 0 16px; }
.hero p { font-size: 17px; color: #cfd8ea; max-width: 480px; margin: 0 0 26px; }
.hero .badges { display: flex; gap: 22px; margin-top: 28px; flex-wrap: wrap; }
.hero .badges div { font-size: 13px; color: #cfd8ea; display: flex; align-items: center; gap: 8px; }
.hero-art {
  background: rgba(255,255,255,.06); border-radius: 16px; padding: 30px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.hero-art img { border-radius: 10px; height: 130px; width: 100%; object-fit: cover; }
@media (max-width: 800px) { .hero-inner { grid-template-columns: 1fr; } .hero h1 { font-size: 30px; } }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--orange); color: #fff; font-weight: 700; font-size: 15px;
  padding: 13px 26px; border-radius: 8px; border: none; transition: background .15s;
}
.btn:hover { background: var(--orange-dark); }
.btn.btn-outline { background: transparent; border: 2px solid #fff; color: #fff; }
.btn.btn-outline:hover { background: rgba(255,255,255,.1); }
.btn.btn-navy { background: var(--navy); }
.btn.btn-navy:hover { background: var(--navy-light); }
.btn.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------- Section headings ---------- */
.section { padding: 56px 0; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 28px; }
.section-head h2 { font-size: 28px; margin: 0 0 6px; color: var(--navy); }
.section-head p { margin: 0; color: var(--gray-700); }
.section-head a { font-weight: 700; color: var(--orange-dark); }

/* ---------- Product grid & cards ---------- */
.product-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
@media (max-width: 1100px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .product-grid { grid-template-columns: 1fr; } }

.product-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card .thumb { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--gray-100); }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.badge-sale {
  position: absolute; top: 10px; left: 10px; background: var(--orange); color: #fff;
  font-size: 11px; font-weight: 800; padding: 4px 9px; border-radius: 20px;
}
.product-card .body { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.product-card .cat { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--orange-dark); font-weight: 700; }
.product-card h3 { font-size: 15px; margin: 0; line-height: 1.35; }
.product-card h3 a:hover { color: var(--orange-dark); }
.stars { color: #f5a623; font-size: 13px; }
.stars .count { color: var(--gray-500); font-weight: 400; margin-left: 4px; }
.price-row { display: flex; align-items: baseline; gap: 8px; margin-top: 4px; }
.price { font-size: 18px; font-weight: 800; color: var(--navy); }
.price-compare { font-size: 13px; color: var(--gray-500); text-decoration: line-through; }
.add-btn {
  margin-top: 10px; background: var(--navy); color: #fff; border: none; border-radius: 7px;
  padding: 10px; font-weight: 700; font-size: 14px; width: 100%;
}
.add-btn:hover { background: var(--orange); }

/* ---------- Trust strip ---------- */
.trust-strip { background: #fff; border-top: 1px solid var(--gray-300); border-bottom: 1px solid var(--gray-300); }
.trust-strip .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 26px 20px; }
.trust-item { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: var(--gray-700); }
.trust-item strong { display: block; color: var(--navy); font-size: 14.5px; }
.trust-icon { font-size: 22px; }
@media (max-width: 800px) { .trust-strip .container { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Category chips ---------- */
.chip-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.chip {
  background: #fff; border: 1px solid var(--gray-300); border-radius: 30px;
  padding: 8px 18px; font-size: 14px; font-weight: 600; color: var(--navy);
}
.chip.active, .chip:hover { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 13px; color: var(--gray-500); margin: 18px 0; }
.breadcrumb a:hover { color: var(--orange-dark); }

/* ---------- Product detail ---------- */
.pdp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .pdp-grid { grid-template-columns: 1fr; } }
.pdp-image { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.pdp-image img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.pdp-info h1 { font-size: 28px; margin: 6px 0 10px; color: var(--navy); }
.pdp-meta { font-size: 13px; color: var(--gray-500); margin-bottom: 10px; }
.pdp-price-row { display: flex; align-items: baseline; gap: 12px; margin: 14px 0; }
.pdp-price { font-size: 32px; font-weight: 800; color: var(--navy); }
.pdp-short { color: var(--gray-700); margin-bottom: 18px; }
.stock-ok { color: #1a7f37; font-weight: 700; font-size: 14px; }
.qty-row { display: flex; align-items: center; gap: 16px; margin: 18px 0; }
.qty-selector { display: flex; align-items: center; border: 1px solid var(--gray-300); border-radius: 8px; overflow: hidden; }
.qty-selector button { background: var(--gray-100); border: none; width: 38px; height: 38px; font-size: 18px; font-weight: 700; }
.qty-selector input { width: 48px; text-align: center; border: none; font-size: 15px; font-weight: 700; }
.pdp-actions { display: flex; gap: 12px; margin-top: 10px; }
.pdp-tabs { margin-top: 42px; }
.tab-buttons { display: flex; gap: 8px; border-bottom: 1px solid var(--gray-300); margin-bottom: 22px; }
.tab-btn { padding: 12px 18px; font-weight: 700; color: var(--gray-500); border-bottom: 3px solid transparent; background: none; border-top: none; border-left: none; border-right: none; }
.tab-btn.active { color: var(--navy); border-bottom-color: var(--orange); }
.tab-panel { display: none; color: var(--gray-700); }
.tab-panel.active { display: block; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table td { padding: 10px 14px; border-bottom: 1px solid var(--gray-300); font-size: 14px; }
.spec-table td:first-child { font-weight: 700; color: var(--navy); width: 220px; }
.feature-list { padding-left: 20px; }
.feature-list li { margin-bottom: 8px; }

/* ---------- Cart ---------- */
.cart-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 860px) { .cart-layout { grid-template-columns: 1fr; } }
.cart-table { width: 100%; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border-collapse: collapse; }
.cart-table th { text-align: left; font-size: 12px; text-transform: uppercase; color: var(--gray-500); padding: 14px 16px; border-bottom: 1px solid var(--gray-300); }
.cart-table td { padding: 16px; border-bottom: 1px solid var(--gray-100); vertical-align: middle; }
.cart-item-info { display: flex; gap: 14px; align-items: center; }
.cart-item-info img { width: 70px; height: 70px; object-fit: cover; border-radius: 8px; background: var(--gray-100); }
.cart-item-info .name { font-weight: 700; font-size: 14.5px; }
.cart-item-info .sku { font-size: 12px; color: var(--gray-500); }
.remove-link { color: #c0392b; font-size: 13px; font-weight: 600; }
.summary-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.summary-card h3 { margin-top: 0; color: var(--navy); }
.summary-row { display: flex; justify-content: space-between; font-size: 14.5px; margin-bottom: 10px; color: var(--gray-700); }
.summary-row.total { font-size: 18px; font-weight: 800; color: var(--navy); border-top: 1px solid var(--gray-300); padding-top: 14px; margin-top: 14px; }
.empty-cart { text-align: center; padding: 70px 20px; background: #fff; border-radius: var(--radius); }
.empty-cart .icon { font-size: 52px; margin-bottom: 14px; }

/* ---------- Checkout ---------- */
.checkout-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 860px) { .checkout-grid { grid-template-columns: 1fr; } }
.checkout-steps { display: flex; gap: 18px; margin-bottom: 30px; font-size: 13px; color: var(--gray-500); font-weight: 700; }
.checkout-steps .step.active { color: var(--orange-dark); }
.form-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px; margin-bottom: 20px; }
.form-card h3 { margin-top: 0; color: var(--navy); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-row.full { grid-template-columns: 1fr; }
.form-row label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; color: var(--navy); }
.form-row input, .form-row select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--gray-300); border-radius: 7px; font-size: 14.5px;
}
.pay-methods { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.pay-method {
  border: 2px solid var(--gray-300); border-radius: 8px; padding: 12px 16px; font-weight: 700; font-size: 14px;
  display: flex; align-items: center; gap: 8px;
}
.pay-method.selected { border-color: var(--orange); background: #fff7ec; }
.notice-box { background: #fff7ec; border: 1px solid #ffdca6; border-radius: 8px; padding: 14px 16px; font-size: 13.5px; color: #7a4a00; margin-bottom: 16px; }

/* ---------- Footer ---------- */
footer.site-footer { background: var(--navy); color: #cfd8ea; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding: 50px 0 30px; }
.footer-grid h4 { color: #fff; font-size: 15px; margin: 0 0 16px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 13.5px; }
.footer-grid a:hover { color: var(--orange); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; font-size: 12.5px;
  color: #93a0b8; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- Legal pages ---------- */
.legal-page { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px; max-width: 880px; margin: 30px auto; }
.legal-page h1 { color: var(--navy); }
.legal-page h2 { color: var(--navy); font-size: 19px; margin-top: 32px; }
.legal-page p, .legal-page li { color: var(--gray-700); font-size: 15px; }
.legal-page .updated { color: var(--gray-500); font-size: 13px; margin-bottom: 24px; }

/* ---------- Misc pages ---------- */
.page-header { background: var(--navy); color: #fff; padding: 40px 0; }
.page-header h1 { margin: 0; font-size: 30px; }
.page-header p { color: #cfd8ea; margin: 8px 0 0; }
.alert-success { background: #e8f6ec; border: 1px solid #b7e4c7; color: #1a7f37; padding: 16px 20px; border-radius: 8px; margin-bottom: 20px; }
.alert-error { background: #fdeeee; border: 1px solid #f3c2c2; color: #c0392b; padding: 16px 20px; border-radius: 8px; margin-bottom: 20px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }
.info-block { display: flex; gap: 14px; margin-bottom: 22px; }
.info-block .icon { font-size: 22px; }