:root {
  --navy-900: #101828;
  --navy-700: #344054;
  --blue-600: #2563EB;
  --blue-500: #3B82F6;
  --orange-500: #F97316;
  --warm-100: #FFF7ED;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E4E7EC;
  --gray-400: #98A2B3;
  --gray-600: #667085;
  --white: #FFFFFF;
  --success: #16A34A;
  --shadow-soft: 0 12px 30px rgba(16,24,40,0.08);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--navy-900);
  background: var(--gray-50);
  line-height: 1.6;
}
a, button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 2rem)); margin: 0 auto; }
.section { padding: 4.5rem 0; }
.section-title { font-size: clamp(2rem, 3vw, 3rem); line-height: 1.1; margin: 0 0 1rem; letter-spacing: -0.05em; }
.section-subtitle { color: var(--gray-600); max-width: 720px; margin: 0 auto 2rem; }
.eyebrow { font-size: .76rem; letter-spacing: .18em; text-transform: uppercase; color: var(--blue-600); font-weight: 700; }
.site-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.65rem; border-radius: 999px; border: 1px solid transparent; padding: 0.9rem 1.5rem; font-weight: 700; text-decoration: none; transition: all .2s ease; white-space: nowrap;
}
.site-btn.primary { background: var(--blue-600); color: var(--white); box-shadow: 0 10px 18px rgba(37,99,235,0.2); }
.site-btn.primary:hover { background: #1d4ed8; transform: translateY(-1px); }
.site-btn.secondary { background: transparent; border-color: var(--gray-200); color: var(--navy-900); }
.site-btn.secondary:hover { border-color: var(--blue-600); color: var(--blue-600); }
.site-btn.ghost { background: var(--white); color: var(--navy-900); border: 1px solid var(--gray-200); }
.site-btn.ghost:hover { border-color: var(--blue-600); color: var(--blue-600); }
.site-btn.orange { background: var(--orange-500); color: var(--white); }
.site-btn.orange:hover { background: #ea580c; }
.price { font-weight: 800; letter-spacing: -0.02em; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.header-announcement {
  background: var(--navy-900); color: rgba(255,255,255,0.9); font-size: 0.82rem; padding: 0.7rem 0; text-align: center; letter-spacing: .04em; text-transform: uppercase;
}
.site-header {
  position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.88); backdrop-filter: blur(14px); border-bottom: 1px solid var(--gray-200);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 0;
}
.brand { display: inline-flex; align-items: center; gap: 0.8rem; font-weight: 800; font-size: 1.4rem; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(145deg, var(--blue-600), #1d4ed8); display: grid; place-items: center; color: var(--white);
}
.main-nav { display: flex; align-items: center; gap: 2rem; font-weight: 600; color: var(--navy-700); }
.main-nav a { position: relative; }
.main-nav a::after {
  content: ''; position: absolute; left: 0; bottom: -0.5rem; width: 0; height: 2px; background: var(--blue-600); transition: width .2s ease;
}
.main-nav a:hover::after, .main-nav a.is-active::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 1rem; }
.search-wrap { position: relative; }
.search-wrap input {
  width: min(260px, 28vw); border: 1px solid var(--gray-200); background: var(--gray-50); border-radius: 999px; padding: 0.8rem 1rem 0.8rem 2.5rem; color: var(--navy-900); outline: none;
}
.search-wrap .search-icon { position: absolute; left: 0.9rem; top: 50%; transform: translateY(-50%); color: var(--gray-600); }
.icon-pill {
  position: relative; background: var(--white); border: 1px solid var(--gray-200); border-radius: 999px; width: 44px; height: 44px; display: grid; place-items: center; color: var(--navy-900); transition: .2s ease;
}
.icon-pill:hover { border-color: var(--blue-600); color: var(--blue-600); }
.badge {
  position: absolute; right: -6px; top: -6px; min-width: 20px; height: 20px; padding: 0 .45rem; border-radius: 999px; background: var(--orange-500); color: var(--white); font-size: .7rem; display: inline-flex; align-items: center; justify-content: center; font-weight: 700;
}
.nav-toggle { display: none; }
.mobile-menu { display: none; }

.hero { padding: 4rem 0 3rem; }
.hero-shell {
  display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 2rem; background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(248,250,252,0.9)); border: 1px solid var(--gray-200); border-radius: 32px; padding: 2rem; box-shadow: var(--shadow-soft);
}
.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 5rem); line-height: 1.02; letter-spacing: -0.06em; margin: 0; font-weight: 800; color: var(--navy-900);
}
.hero-copy p { font-size: 1.1rem; color: var(--gray-600); max-width: 620px; margin: 1.25rem 0 2rem; }
.hero-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.hero-visual {
  position: relative; background: linear-gradient(180deg, #F8FAFC, #EEF2FF); border-radius: 28px; border: 1px solid var(--gray-200); padding: 1.4rem; min-height: 480px; display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero-visual::before, .hero-visual::after {
  content: ''; position: absolute; border-radius: 50%; background: rgba(59,130,246,0.08); filter: blur(2px);
}
.hero-visual::before { width: 240px; height: 240px; left: -40px; top: 30px; }
.hero-visual::after { width: 280px; height: 280px; right: -60px; bottom: -10px; background: rgba(249,115,22,0.08); }
.hero-visual img { position: relative; z-index: 1; max-height: 410px; width: 100%; object-fit: contain; }

.trust-strip {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; background: var(--white); border: 1px solid var(--gray-200); border-radius: 22px; padding: 1.2rem;
}
.trust-item { display: flex; align-items: center; gap: .8rem; padding: .8rem; }
.trust-item .icon-box { width: 46px; height: 46px; border-radius: 12px; background: #E0F2FE; display: grid; place-items: center; color: var(--blue-600); }
.trust-item strong { display: block; }

.category-grid, .product-grid, .showcase-grid, .review-grid, .stats-grid { display: grid; gap: 1.5rem; }
.category-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.category-card {
  position: relative; overflow: hidden; background: var(--white); border: 1px solid var(--gray-200); border-radius: 22px; padding: 0; transition: transform .2s ease, border-color .2s ease; box-shadow: 0 12px 30px rgba(15,23,42,.04);
}
.category-card:hover { transform: translateY(-4px); border-color: var(--blue-600); }
.category-card img { width: 100%; height: 180px; object-fit: cover; }
.category-card-body { padding: 1.2rem; }
.category-card h3 { margin: 0; font-size: 1.2rem; }
.category-card p { margin: .5rem 0 .8rem; color: var(--gray-600); }
.category-card .link-arrow { color: var(--blue-600); font-weight: 700; }

.section-head { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 1.5rem; }
.section-links { color: var(--blue-600); font-weight: 700; }
.product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.product-card {
  background: var(--white); border: 1px solid var(--gray-200); border-radius: 22px; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.product-card:hover { transform: translateY(-5px); border-color: rgba(37,99,235,.35); box-shadow: var(--shadow-soft); }
.product-card img { width: 100%; height: 250px; object-fit: cover; background: var(--gray-100); }
.product-body { padding: 1rem; }
.product-tag { display: inline-block; padding: .4rem .7rem; background: #E0F2FE; color: var(--blue-600); border-radius: 999px; font-size: .72rem; font-weight: 700; }
.product-title { margin: .7rem 0 .3rem; font-size: 1.1rem; }
.product-spec { font-size: .9rem; color: var(--gray-600); min-height: 2.5rem; }
.rating-row { display: flex; align-items: center; gap: .5rem; color: #F59E0B; font-size: .9rem; }
.rating-row span { color: var(--gray-600); }
.product-price-row { display: flex; align-items: center; gap: .75rem; margin: .8rem 0 1rem; }
.old-price { color: var(--gray-400); text-decoration: line-through; font-weight: 600; }
.product-actions { display: flex; gap: .7rem; }
.product-actions button, .product-actions a { flex: 1; }
.icon-button {
  width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--gray-200); background: var(--white); display: grid; place-items: center; color: var(--navy-900);
}
.icon-button.active { color: var(--orange-500); border-color: rgba(249,115,22,0.25); background: #FFF7ED; }

.dark-banner {
  background: linear-gradient(135deg, var(--navy-900), #1F2937); color: var(--white); border-radius: 28px; overflow: hidden; padding: 2rem; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 2rem;
}
.dark-banner img { max-height: 420px; object-fit: contain; }

.showcase-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.showcase-item { background: var(--white); border: 1px solid var(--gray-200); border-radius: 22px; overflow: hidden; }
.showcase-item img { width: 100%; height: 260px; object-fit: cover; }
.showcase-body { padding: 1.2rem; }

.stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 20px; padding: 1.5rem; }
.stat-card .stat-number { font-size: 2rem; font-weight: 800; letter-spacing: -0.04em; }

.review-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.review-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 22px; padding: 1.4rem; }
.review-card .stars { color: #F59E0B; letter-spacing: .15em; }
.review-card footer { margin-top: 1.3rem; display: flex; align-items: center; justify-content: space-between; }
.review-avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, #DBEAFE, #FDE68A); display: grid; place-items: center; font-weight: 800; }

.newsletter {
  background: var(--navy-900); color: var(--white); border-radius: 28px; padding: 2rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
}
.newsletter-form { display: flex; gap: .75rem; flex-wrap: wrap; }
.newsletter-form input { min-width: 260px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.04); border-radius: 999px; padding: .95rem 1rem; color: var(--white); }
.newsletter-form input::placeholder { color: rgba(255,255,255,.7); }

.cta-banner { padding: 2rem 0 4rem; }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 2rem; border-radius: 24px; border: 1px solid var(--gray-200); background: var(--white); }

.breadcrumbs { display: flex; align-items: center; gap: .6rem; color: var(--gray-600); font-size: .9rem; margin: 1.2rem 0 0.5rem; }
.page-top { padding-top: 2.5rem; }
.page-top h1 { font-size: clamp(2.5rem, 4vw, 4rem); letter-spacing: -0.06em; margin: .3rem 0 1rem; }
.page-top p { color: var(--gray-600); max-width: 680px; }

.shop-layout { display: grid; grid-template-columns: 290px 1fr; gap: 2rem; }
.filters { background: var(--white); border: 1px solid var(--gray-200); border-radius: 22px; padding: 1.25rem; position: sticky; top: 104px; height: fit-content; }
.filter-group { margin-bottom: 1.5rem; }
.filter-group h3 { margin: 0 0 .75rem; }
.filter-list { display: grid; gap: .6rem; }
.filter-option { display: flex; align-items: center; gap: .6rem; color: var(--gray-700); }
.sortbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.sortbar select { border: 1px solid var(--gray-200); background: var(--white); border-radius: 12px; padding: .8rem 1rem; min-width: 220px; }
.mobile-filter-toggle { display: none; }
.filter-overlay { display: none; }

.product-detail-shell { display: grid; grid-template-columns: 1.05fr .95fr; gap: 2rem; }
.gallery-main img { width: 100%; min-height: 440px; object-fit: cover; background: var(--gray-100); border-radius: 22px; border: 1px solid var(--gray-200); }
.gallery-thumbs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; margin-top: .8rem; }
.gallery-thumbs img { border-radius: 14px; border: 1px solid var(--gray-200); cursor: pointer; background: var(--white); }
.product-detail h1 { font-size: clamp(2.1rem, 3vw, 3rem); margin: .5rem 0 1rem; letter-spacing: -0.04em; }
.meta-row { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; color: var(--gray-600); }
.price-block { display: flex; align-items: end; gap: .8rem; margin: 1.4rem 0; }
.price-block .current { font-size: 2.1rem; }
.price-box {
  background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: 16px; padding: 1rem 1.1rem; margin: 1rem 0 1.2rem;
}
.qty-wrap { display: inline-flex; align-items: center; gap: .6rem; border: 1px solid var(--gray-200); border-radius: 999px; padding: .3rem; }
.qty-wrap button {
  width: 36px; height: 36px; border-radius: 50%; border: 0; background: var(--white); font-size: 1.2rem; color: var(--navy-900);
}
.qty-value { width: 30px; text-align: center; }
.detail-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin: 1.2rem 0; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 1.5rem; }
.spec-table th, .spec-table td { text-align: left; padding: .85rem .5rem; border-bottom: 1px solid var(--gray-200); }
.spec-table th { width: 170px; color: var(--gray-600); font-weight: 600; }

.cart-layout { display: grid; grid-template-columns: 1.3fr .7fr; gap: 2rem; }
.cart-card, .summary-box, .order-box { background: var(--white); border: 1px solid var(--gray-200); border-radius: 22px; padding: 1.2rem; }
.cart-item { display: grid; grid-template-columns: 108px 1fr auto; gap: 1rem; align-items: center; border-bottom: 1px solid var(--gray-200); padding: 1rem 0; }
.cart-item img { width: 100%; height: 90px; object-fit: cover; border-radius: 12px; }
.cart-item-content h4 { margin: 0 0 .3rem; }
.qty-inline { display: inline-flex; align-items: center; border: 1px solid var(--gray-200); border-radius: 999px; padding: .25rem; }
.qty-inline button { width: 28px; height: 28px; border: 0; background: var(--white); border-radius: 50%; }
.summary-list { display: grid; gap: .7rem; }
.summary-row { display: flex; justify-content: space-between; color: var(--gray-600); }
.summary-row.total { font-size: 1.15rem; color: var(--navy-900); font-weight: 800; }

.checkout-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { display: block; margin-bottom: .4rem; font-weight: 600; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; border: 1px solid var(--gray-200); background: var(--white); border-radius: 12px; padding: .85rem 1rem; color: var(--navy-900);
}
.order-item { display: flex; justify-content: space-between; gap: 1rem; margin: 0.7rem 0; }
.order-item small { color: var(--gray-600); }

.auth-shell { max-width: 460px; margin: 4rem auto; background: var(--white); border: 1px solid var(--gray-200); border-radius: 28px; padding: 2rem; }
.auth-shell h1 { margin: 0 0 1.2rem; font-size: 2.2rem; }
.auth-shell .link-row { margin-top: 1rem; display: flex; justify-content: space-between; color: var(--gray-600); }
.form-note { color: var(--gray-600); font-size: .92rem; }

.account-shell { display: grid; grid-template-columns: 260px 1fr; gap: 2rem; }
.account-nav { background: var(--white); border: 1px solid var(--gray-200); border-radius: 22px; padding: 1rem; }
.account-nav a { display: block; padding: .8rem .9rem; border-radius: 12px; color: var(--gray-700); }
.account-nav a.active { background: #EFF6FF; color: var(--blue-600); font-weight: 700; }
.dashboard-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 22px; padding: 1.3rem; margin-bottom: 1rem; }
.profile-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.account-list { display: grid; gap: 1rem; }
.empty-state { background: var(--gray-50); border: 1px dashed var(--gray-200); border-radius: 18px; padding: 1.4rem; color: var(--gray-600); }

.footer {
  margin-top: 4rem; background: var(--navy-900); color: rgba(255,255,255,0.8); padding: 4rem 0 1.5rem;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 2rem; }
.footer h3, .footer h4 { color: var(--white); margin: 0 0 1rem; }
.footer a { color: rgba(255,255,255,0.8); display: block; margin: .45rem 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 2rem; padding-top: 1rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }

.text-center { text-align: center; }
.hidden { display: none !important; }
[data-scroll-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .45s ease, transform .45s ease; }
[data-scroll-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .showcase-grid { grid-template-columns: 1fr; }
  .shop-layout, .cart-layout, .checkout-layout, .account-shell, .product-detail-shell, .dark-banner, .hero-shell { grid-template-columns: 1fr; }
  .trust-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filters { position: static; }
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: block; }
  .search-wrap input { width: min(180px, 40vw); }
}

@media (max-width: 640px) {
  .section { padding: 3.5rem 0; }
  .header-inner { gap: .75rem; }
  .search-wrap { display: none; }
  .category-grid, .product-grid, .trust-strip, .review-grid, .stats-grid, .footer-grid, .form-grid { grid-template-columns: 1fr; }
  .hero-shell { padding: 1.2rem; }
  .hero-copy h1 { font-size: 2.6rem; }
  .site-btn { width: 100%; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .mobile-filter-toggle { display: inline-flex; }
  .filters { display: none; }
  .filter-overlay { display: block; position: fixed; inset: 0; background: rgba(15,23,42,0.5); opacity: 0; visibility: hidden; transition: .2s ease; z-index: 9; }
  .filter-overlay.open { opacity: 1; visibility: visible; }
  .filters.mobile-open { display: block; position: fixed; inset: auto 0 0 0; z-index: 10; border-radius: 18px 18px 0 0; height: 74vh; overflow-y: auto; }
}