/* ============================================================
   VOLTEX — ELECTRONICS & GADGET STORE TEMPLATE
   Dark tech aesthetic with blue electric accent
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: 'Space Grotesk', sans-serif; line-height: 1.15; }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.8rem); font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 700; }
p { color: var(--text-muted); line-height: 1.75; }
a { text-decoration: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* Scroll Progress */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 1000; width: 0%; transition: width .1s linear;
}

/* ANNOUNCEMENT BAR */
.announcement-bar {
  background: linear-gradient(90deg, rgba(59,130,246,0.15), rgba(6,182,212,0.15));
  border-bottom: 1px solid var(--border);
  padding: 9px 24px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 0.78rem; color: var(--text);
}
.announcement-bar a { color: var(--accent); font-weight: 600; }
.announcement-bar a:hover { text-decoration: underline; }

/* NAVBAR */
.navbar {
  position: sticky; top: 0; z-index: 500;
  background: rgba(8,12,20,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}
.navbar.scrolled { box-shadow: 0 4px 40px rgba(0,0,0,.5); }
.navbar-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  height: 68px;
  display: flex; align-items: center; gap: 32px;
}
.navbar-logo {
  display: flex; align-items: center; gap: 8px;
  color: var(--text); font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem; font-weight: 800; letter-spacing: 2px;
}
.navbar-links { display: flex; list-style: none; gap: 28px; margin: 0 auto; }
.navbar-links a { color: var(--text-muted); font-size: 0.83rem; font-weight: 500; transition: color .2s; }
.navbar-links a:hover { color: var(--text); }
.navbar-actions { display: flex; align-items: center; gap: 12px; }
.search-btn, .cart-btn {
  position: relative; display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 8px;
  background: var(--surface); border: 1px solid var(--border-subtle);
  color: var(--text-muted); cursor: pointer; transition: all .2s;
}
.search-btn:hover, .cart-btn:hover { color: var(--primary); border-color: var(--border); }
.cart-count {
  position: absolute; top: -4px; right: -4px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--primary); color: #fff;
  font-size: 0.6rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}

/* Search Bar */
.search-bar {
  background: var(--surface); border-bottom: 1px solid var(--border-subtle);
  padding: 12px 24px; display: none;
}
.search-bar.open { display: block; }
.search-inner {
  max-width: 700px; margin: 0 auto;
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 16px;
}
.search-inner input {
  flex: 1; background: none; border: none; color: var(--text);
  font-family: 'Inter', sans-serif; font-size: 0.9rem; outline: none;
}
.search-inner input::placeholder { color: var(--text-muted); }
#searchClose { background: none; border: none; color: var(--text-muted); cursor: pointer; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: 8px;
  font-size: 0.85rem; font-weight: 700;
  font-family: 'Inter', sans-serif;
  cursor: pointer; border: 1px solid transparent;
  transition: all .25s; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(59,130,246,0.3); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border-subtle); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost { background: rgba(255,255,255,0.06); color: var(--text); border-color: rgba(255,255,255,0.1); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-lg { padding: 14px 28px; font-size: 0.9rem; }

/* Eyebrow */
.eyebrow {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--primary); margin-bottom: 10px;
}

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: all .3s; }

/* Mobile Menu */
.mobile-menu {
  display: none; flex-direction: column; position: fixed;
  top: 0; right: -300px; width: 280px; height: 100vh;
  background: var(--surface); border-left: 1px solid var(--border-subtle);
  padding: 80px 28px 28px; gap: 4px; z-index: 400; transition: right .35s;
}
.mobile-menu.open { right: 0; }
.mobile-menu a { color: var(--text-muted); font-size: 1rem; font-weight: 500; padding: 12px 0; border-bottom: 1px solid var(--border-subtle); transition: color .2s; }
.mobile-menu a:hover { color: var(--primary); }
@media (max-width: 900px) { .hamburger { display: flex; } .mobile-menu { display: flex; } }
@media (max-width: 900px) { .navbar-links { display: none; } }

/* HERO */
.hero {
  position: relative; min-height: 92svh;
  display: flex; align-items: center; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg-img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(8,12,20,0.96) 40%, rgba(8,12,20,0.7) 70%, rgba(8,12,20,0.4) 100%);
}
.hero .container { position: relative; z-index: 2; padding-top: 80px; padding-bottom: 80px; display: flex; align-items: center; gap: 60px; }
.hero-content { flex: 1; }
.hero-badge-card { width: 240px; flex-shrink: 0; }
.eyebrow-badge {
  display: inline-block;
  background: rgba(59,130,246,0.15); border: 1px solid var(--border);
  color: var(--primary); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 6px 16px; border-radius: 100px; margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800; margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 50%, var(--primary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { font-size: 1rem; color: rgba(232,237,245,0.7); max-width: 520px; line-height: 1.8; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hbc-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--primary); margin-bottom: 8px; }
.hbc-product { font-family: 'Space Grotesk', sans-serif; font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.hbc-price { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 16px; }
.hbc-cta {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--primary); font-size: 0.8rem; font-weight: 700; transition: gap .2s;
}
.hbc-cta:hover { gap: 10px; }
.hero-badge-card {
  background: rgba(13,20,34,0.85); backdrop-filter: blur(20px);
  border: 1px solid var(--border); border-radius: 16px;
  padding: 24px 28px;
}

/* TRUST BAR */
.trust-bar {
  background: var(--surface); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle);
  display: flex; flex-wrap: wrap; overflow: hidden;
}
.trust-item {
  flex: 1; min-width: 160px;
  display: flex; align-items: center; gap: 8px;
  justify-content: center; padding: 16px 20px;
  font-size: 0.8rem; font-weight: 600;
  border-right: 1px solid var(--border-subtle);
}
.trust-item:last-child { border-right: none; }

/* SECTION */
.section { padding: clamp(72px, 10vw, 120px) 0; }
.section-alt { background: var(--surface); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { margin-top: 6px; }

/* FEATURED PRODUCT */
.featured-section { background: var(--bg-card); }
.featured-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.featured-img { position: relative; border-radius: 20px; overflow: hidden; background: var(--surface); padding: 40px; }
.featured-img img { width: 100%; border-radius: 12px; display: block; }
.featured-img-glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(59,130,246,0.08), transparent 70%);
}
.featured-eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.featured-label {
  background: var(--primary); color: #fff;
  font-size: 0.68rem; font-weight: 800; letter-spacing: 1px;
  padding: 4px 12px; border-radius: 100px; text-transform: uppercase;
}
.featured-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.feature-badge {
  background: var(--surface); border: 1px solid var(--border-subtle);
  color: var(--text-muted); font-size: 0.7rem; font-weight: 600;
  padding: 4px 12px; border-radius: 100px;
}
.featured-name { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 800; margin-bottom: 16px; }
.featured-desc { margin-bottom: 20px; }
.featured-rating { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 600; margin-bottom: 24px; }
.featured-specs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 28px; }
.featured-spec {
  background: var(--surface); border: 1px solid var(--border-subtle);
  border-radius: 10px; padding: 12px 14px;
}
.spec-label { font-size: 0.68rem; color: var(--text-muted); margin-bottom: 4px; font-weight: 600; letter-spacing: 0.5px; }
.spec-value { font-size: 0.82rem; font-weight: 700; }
.featured-price-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 24px; }
.featured-price { font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 800; color: var(--text); }
.featured-was { font-size: 1rem; color: var(--text-dim); text-decoration: line-through; }
.featured-savings { font-size: 0.82rem; font-weight: 700; color: var(--green); }
.featured-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* STATS */
.stats-strip {
  background: linear-gradient(135deg, rgba(59,130,246,0.05), rgba(6,182,212,0.05));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  display: flex; flex-wrap: wrap;
}
.stat-item { flex: 1; min-width: 140px; padding: 32px; text-align: center; border-right: 1px solid var(--border-subtle); }
.stat-item:last-child { border-right: none; }
.stat-value { font-family: 'Space Grotesk', sans-serif; font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 500; margin-top: 4px; }

/* CATEGORIES */
.categories-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.category-card {
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: transform .3s, border-color .3s;
  display: block;
}
.category-card:hover { transform: translateY(-4px); border-color: var(--border); }
.category-img { aspect-ratio: 16/7; overflow: hidden; position: relative; }
.category-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.category-card:hover .category-img img { transform: scale(1.05); }
.category-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(8,12,20,0.7) 100%); }
.category-body {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg-card); padding: 18px 20px;
}
.category-name { font-weight: 700; font-size: 0.95rem; }
.category-count { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }

/* FILTER BAR */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-btn {
  padding: 8px 20px; border-radius: 100px;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  color: var(--text-muted); font-size: 0.8rem; font-weight: 600;
  cursor: pointer; font-family: 'Inter', sans-serif; transition: all .2s;
}
.filter-btn.active, .filter-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* PRODUCTS GRID */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.product-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: 12px; overflow: hidden;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.product-card:hover { transform: translateY(-6px); border-color: var(--border); box-shadow: 0 16px 50px rgba(0,0,0,0.45); }
.product-card.hidden { display: none; }
.product-img { position: relative; aspect-ratio: 1; overflow: hidden; background: var(--surface); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.product-card:hover .product-img img { transform: scale(1.05); }
.product-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--primary); color: #fff;
  font-size: 0.65rem; font-weight: 800; letter-spacing: 0.5px;
  padding: 4px 12px; border-radius: 100px;
}
.badge-sale { background: var(--red); }
.product-actions {
  position: absolute; bottom: 12px; right: 12px;
  display: flex; flex-direction: column; gap: 6px;
  opacity: 0; transform: translateX(10px); transition: all .25s;
}
.product-card:hover .product-actions { opacity: 1; transform: translateX(0); }
.product-action-btn {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(8,12,20,0.9); border: 1px solid var(--border);
  color: var(--text); cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.product-action-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.product-body { padding: 18px 18px 20px; }
.product-brand { font-size: 0.7rem; font-weight: 700; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; }
.product-name { font-weight: 700; font-size: 0.95rem; margin-bottom: 8px; }
.product-rating { display: flex; align-items: center; gap: 5px; font-size: 0.78rem; font-weight: 600; margin-bottom: 14px; }
.product-footer { display: flex; align-items: flex-end; justify-content: space-between; }
.product-price-group { display: flex; align-items: baseline; gap: 8px; }
.product-price { font-family: 'Space Grotesk', sans-serif; font-size: 1.2rem; font-weight: 800; }
.product-was { font-size: 0.8rem; color: var(--text-dim); text-decoration: line-through; }
.product-stock { display: flex; align-items: center; gap: 4px; font-size: 0.72rem; font-weight: 700; }
.stock-in { color: var(--green); }
.stock-low { color: var(--yellow); }

/* BRANDS STRIP */
.brands-strip {
  background: var(--bg-card); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle);
  padding: 28px 0;
}
.brands-strip .container { display: flex; align-items: center; gap: 48px; flex-wrap: wrap; }
.brands-header { font-size: 0.7rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--text-dim); white-space: nowrap; }
.brands-list { display: flex; gap: 40px; flex-wrap: wrap; align-items: center; }
.brand-item { font-family: 'Space Grotesk', sans-serif; font-size: 0.9rem; font-weight: 700; letter-spacing: 1px; color: var(--text-muted); transition: color .2s; cursor: default; }
.brand-item:hover { color: var(--text); }

/* WHY US */
.why-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.why-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: 12px; padding: 28px 28px 32px;
  transition: border-color .3s, transform .3s;
}
.why-card:hover { border-color: var(--border); transform: translateY(-4px); }
.why-icon {
  width: 48px; height: 48px; border-radius: 10px;
  background: rgba(59,130,246,0.1); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.why-title { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.why-desc { font-size: 0.87rem; }

/* NEWSLETTER */
.newsletter-section { background: var(--bg-card); padding: clamp(72px, 10vw, 120px) 0; }
.newsletter-inner {
  position: relative; text-align: center;
  max-width: 640px; margin: 0 auto;
}
.newsletter-glow {
  position: absolute; top: -80px; left: 50%; transform: translateX(-50%);
  width: 500px; height: 300px;
  background: radial-gradient(circle, rgba(59,130,246,0.08), transparent 70%);
  pointer-events: none;
}
.newsletter-inner h2 { margin: 10px 0 14px; }
.newsletter-inner p { margin-bottom: 28px; }
.newsletter-form { display: flex; gap: 0; max-width: 480px; margin: 0 auto 12px; }
.newsletter-form input {
  flex: 1; background: var(--surface); border: 1px solid var(--border);
  border-right: none; border-radius: 8px 0 0 8px;
  padding: 13px 16px; color: var(--text); font-family: 'Inter', sans-serif;
  font-size: 0.88rem; outline: none;
}
.newsletter-form input:focus { border-color: var(--primary); }
.newsletter-form .btn { border-radius: 0 8px 8px 0; }
.newsletter-note { font-size: 0.74rem; color: var(--text-dim); }
.newsletter-note a { color: var(--primary); }

/* CART TOAST */
.cart-toast {
  position: fixed; bottom: 80px; right: 24px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 20px;
  display: flex; align-items: center; gap: 10px;
  font-size: 0.85rem; font-weight: 600;
  opacity: 0; transform: translateY(16px); transition: all .3s;
  z-index: 300;
}
.cart-toast.show { opacity: 1; transform: translateY(0); }

/* FOOTER */
.footer { background: var(--surface); border-top: 1px solid var(--border-subtle); }
.footer-top {
  max-width: 1280px; margin: 0 auto; padding: 64px 24px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}
.footer-logo {
  display: flex; align-items: center; gap: 8px;
  color: var(--text); font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem; font-weight: 800; letter-spacing: 2px;
  margin-bottom: 12px;
}
.footer-brand-desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 16px; }
.footer-contact { font-size: 0.82rem; color: var(--text-muted); display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); transition: all .2s;
}
.footer-social a:hover { color: var(--primary); border-color: var(--border); }
.footer-col-title { font-size: 0.7rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--text); margin-bottom: 18px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { color: var(--text-muted); font-size: 0.85rem; transition: color .2s; }
.footer-col ul a:hover { color: var(--primary); }
.footer-bottom {
  max-width: 1280px; margin: 0 auto;
  padding: 20px 24px; border-top: 1px solid var(--border-subtle);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.78rem; color: var(--text-dim); flex-wrap: wrap; gap: 12px;
}
.payment-icons { display: flex; gap: 8px; }
.payment-icon {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  color: var(--text-muted); font-size: 0.65rem; font-weight: 700;
  padding: 4px 10px; border-radius: 5px; letter-spacing: 0.5px;
}

/* BACK TO TOP */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(20px); transition: all .3s; z-index: 200;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-dark); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) { .featured-grid { grid-template-columns: 1fr; gap: 48px; } .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: 1fr; }
  .hero .container { flex-direction: column; }
  .hero-badge-card { width: 100%; }
  .trust-bar { justify-content: center; }
  .featured-specs-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; }
  .newsletter-form input { border-right: 1px solid var(--border); border-radius: 8px; }
  .newsletter-form .btn { border-radius: 8px; }
  .stat-item { min-width: 50%; }
}