/* ═══════════════════════════════════════════════════════════════
   NEXUSPC — Premium PC Hardware Store
   Master Stylesheet
   ═══════════════════════════════════════════════════════════════ */

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

/* ─── CSS Variables ─────────────────────────────────────────── */
:root {
  --accent: #00AAFF;
  --accent-2: #00FF88;
  --accent-glow: rgba(0, 170, 255, 0.35);
  --accent-glow-2: rgba(0, 255, 136, 0.25);

  --bg-0: #050709;
  --bg-1: #080C10;
  --bg-2: #0D1117;
  --bg-3: #111820;
  --bg-4: #161E28;
  --bg-card: rgba(13, 17, 23, 0.8);

  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(0, 170, 255, 0.25);
  --border-hover: rgba(0, 170, 255, 0.5);

  --text-1: #F0F4F8;
  --text-2: #8B99AB;
  --text-3: #5A6878;
  --text-accent: #00AAFF;

  --glass-bg: rgba(13, 17, 23, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(24px);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(0, 170, 255, 0.15);
  --shadow-glow-intense: 0 0 60px rgba(0, 170, 255, 0.35);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  --nav-height: 72px;
}

/* ─── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-1);
  color: var(--text-1);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: default;
}

@media (max-width: 768px) {
  body { cursor: auto; }
  .cursor-ring, .cursor-dot { display: none; }
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
input, select { font-family: inherit; }

/* ─── Custom Cursor (Disabled) ──────────────────────────────── */
.cursor-ring, .cursor-dot {
  display: none !important;
}
.cursor-ring {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transition: transform 0s, border-color var(--transition), background-color var(--transition), width var(--transition-spring), height var(--transition-spring);
  will-change: transform;
  mix-blend-mode: normal;
}

.cursor-ring.hover {
  width: 56px;
  height: 56px;
  margin: -8px;
  border-color: var(--accent-2);
  background: rgba(0, 255, 136, 0.06);
}

.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  will-change: transform;
  transition: background-color var(--transition);
}

/* ─── Page Transition ───────────────────────────────────────── */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-0);
  z-index: 99998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.page-transition-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ─── Scroll Reveal ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: linear-gradient(135deg, #fff 0%, var(--accent) 60%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-accent { color: var(--accent); }
.text-muted { color: var(--text-2); }

/* ─── Layout ────────────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

/* ─── Noise Texture Overlay ─────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ─── Navigation ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(8, 12, 16, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(5, 7, 9, 0.95);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 40px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #000;
}

.nav-logo span { color: var(--text-1); }
.nav-logo span em { color: var(--accent); font-style: normal; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active { color: var(--accent); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-cart {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  background: rgba(0, 170, 255, 0.1);
  border: 1px solid var(--border-accent);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  transition: all var(--transition);
  position: relative;
}

.nav-cart:hover {
  background: rgba(0, 170, 255, 0.18);
  border-color: var(--border-hover);
  box-shadow: 0 0 20px rgba(0, 170, 255, 0.15);
}

.nav-cart svg { width: 18px; height: 18px; }

#cart-badge {
  display: none;
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  background: var(--accent-2);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-1);
}

/* ─── Hamburger ─────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Mobile Menu ───────────────────────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(8, 12, 16, 0.98);
  backdrop-filter: blur(30px);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  z-index: 999;
  transform: translateY(-10px);
  opacity: 0;
  transition: all var(--transition);
  pointer-events: none;
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.mobile-menu .nav-link {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition);
}
.nav-overlay.active { opacity: 1; }

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: none;
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #0080CC 100%);
  color: #000;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0, 170, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 170, 255, 0.5);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-1);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  padding: 10px 20px;
}
.btn-ghost:hover {
  background: rgba(0, 170, 255, 0.08);
  border-color: var(--border-hover);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
}

.btn-danger {
  background: rgba(255, 60, 60, 0.1);
  color: #FF4444;
  border: 1px solid rgba(255, 60, 60, 0.2);
}
.btn-danger:hover {
  background: rgba(255, 60, 60, 0.18);
  border-color: rgba(255, 60, 60, 0.4);
}

/* ─── Product Cards ─────────────────────────────────────────── */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(10px);
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 170, 255, 0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 1;
  pointer-events: none;
}

.product-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  transform: translateY(-6px) scale(1.01);
}

.product-card:hover::before { opacity: 1; }

.product-card-image {
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--bg-3) 0%, var(--bg-2) 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-card-image img {
  transform: scale(1.08);
}

.product-img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 4rem;
  color: var(--text-3);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--accent), #0080CC);
  color: #000;
  z-index: 2;
  box-shadow: 0 2px 10px rgba(0, 170, 255, 0.4);
}

.out-of-stock-badge {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  z-index: 3;
}

.product-quick-add {
  position: absolute;
  bottom: 12px;
  right: 12px;
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition);
  z-index: 4;
}
.product-card:hover .product-quick-add {
  opacity: 1;
  transform: translateY(0);
}

.product-card-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  position: relative;
  z-index: 2;
}

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.product-category-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.8;
}

.product-brand {
  font-size: 0.75rem;
  color: var(--text-3);
  font-weight: 500;
}

.product-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stars {
  display: flex;
  gap: 2px;
}

.star {
  width: 13px;
  height: 13px;
  fill: transparent;
  stroke: var(--text-3);
  stroke-width: 1.5;
}

.star.filled {
  fill: #F59E0B;
  stroke: #F59E0B;
}

.star.half {
  stroke: #F59E0B;
}

.rating-count {
  font-size: 0.75rem;
  color: var(--text-3);
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: auto;
  padding-top: 4px;
}

.price-current {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-1);
}

.price-original {
  font-size: 0.9rem;
  color: var(--text-3);
  text-decoration: line-through;
}

.price-discount {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-2);
  background: rgba(0, 255, 136, 0.1);
  padding: 2px 7px;
  border-radius: 4px;
}

/* ─── Product Grid ──────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* ─── Section Headers ───────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-1);
}

/* ─── Glassmorphism Card ────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* ─── Category Cards ────────────────────────────────────────── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1.1;
  background: var(--bg-3);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 24px;
  text-align: center;
}

.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 20%, rgba(0,0,0,0.85) 100%);
  z-index: 1;
  transition: opacity var(--transition);
}

.category-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
}
.category-card:hover::after {
  border-color: var(--border-hover);
  box-shadow: 0 0 40px rgba(0, 170, 255, 0.2), inset 0 0 40px rgba(0, 170, 255, 0.03);
}

.category-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
  font-size: 3.5rem;
  opacity: 0.15;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 1;
}

.category-card:hover .category-icon {
  opacity: 0.25;
  transform: translate(-50%, -65%) scale(1.1);
}

.category-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
  z-index: 0;
}

.category-card:hover .category-bg {
  transform: scale(1.05);
}

.category-content {
  position: relative;
  z-index: 2;
}

.category-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.category-count {
  font-size: 0.78rem;
  color: var(--text-2);
}

.category-accent-line {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  margin: 8px auto 0;
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition);
}

.category-card:hover .category-accent-line {
  transform: scaleX(1);
}

/* ─── Tags/Filters ──────────────────────────────────────────── */
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 100px;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.filter-chip:hover {
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.filter-chip.active {
  color: var(--accent);
  background: rgba(0, 170, 255, 0.1);
  border-color: var(--border-accent);
  box-shadow: 0 0 15px rgba(0, 170, 255, 0.1);
}

/* ─── Cart Notification ─────────────────────────────────────── */
.cart-notification {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: var(--radius-md);
  color: var(--text-1);
  font-size: 0.875rem;
  z-index: 9999;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-spring);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 255, 136, 0.1);
  max-width: 340px;
}

.cart-notification svg {
  color: var(--accent-2);
  flex-shrink: 0;
}

.cart-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* ─── Divider ───────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
  margin: 60px 0;
}

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ─── Selection ─────────────────────────────────────────────── */
::selection {
  background: rgba(0, 170, 255, 0.25);
  color: var(--text-1);
}

/* ─── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--bg-0);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-3);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  transition: all var(--transition);
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: rgba(0, 170, 255, 0.08);
}

.social-link svg { width: 16px; height: 16px; }

/* ─── Empty State ───────────────────────────────────────────── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 24px;
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--text-1);
}

.empty-state p {
  color: var(--text-2);
  font-size: 0.9rem;
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .section { padding: 70px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; }
  .nav-overlay { display: block; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .category-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .products-grid { grid-template-columns: 1fr; }
}

/* ─── Header Search Styles ─── */
.nav-search-container {
  position: relative;
  width: 240px;
  margin-right: 8px;
  display: block;
}

@media (max-width: 960px) {
  .nav-search-container {
    display: none;
  }
}

.nav-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  transition: all var(--transition);
}

.nav-search-wrapper:hover, .nav-search-wrapper:focus-within {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 15px var(--accent-glow);
}

.nav-search-wrapper .search-icon {
  width: 16px;
  height: 16px;
  color: var(--text-2);
  margin-right: 8px;
  pointer-events: none;
}

.nav-search-wrapper input {
  background: transparent;
  border: none;
  color: var(--text-1);
  font-size: 0.85rem;
  width: 100%;
  outline: none;
}

.nav-search-wrapper input::placeholder {
  color: var(--text-3);
}

/* Search Dropdown Results */
.search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 1px rgba(255, 255, 255, 0.2);
  z-index: 1000;
  overflow: hidden;
  max-height: 400px;
  overflow-y: auto;
  animation: fadeIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-results-list {
  padding: 8px;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  cursor: pointer;
  text-decoration: none;
  text-align: left;
}

.search-result-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.search-result-img {
  width: 40px;
  height: 40px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.search-result-img svg {
  width: 85%;
  height: 85%;
}

.search-result-info {
  flex: 1;
  min-width: 0;
}

.search-result-name {
  color: var(--text-1);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-result-meta {
  font-size: 0.75rem;
  color: var(--text-3);
  display: block;
}

.search-result-price {
  color: var(--accent-2);
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.search-no-results {
  padding: 16px;
  text-align: center;
  color: var(--text-3);
  font-size: 0.85rem;
}

/* ─── Product Card Image Class ─── */
.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-spring);
}
.product-card:hover .product-card-img {
  transform: scale(1.05);
}

/* ─── Product Details Tabs & Reviews ─── */
.tab-container {
  margin-top: 60px;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

.tab-buttons {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 28px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-2);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.tab-btn:hover {
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--accent);
  background: rgba(0, 170, 255, 0.08);
}

.tab-panel {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-panel.active {
  display: block;
}

/* Reviews List Styles */
.reviews-summary {
  display: flex;
  gap: 40px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 32px;
}

@media (max-width: 600px) {
  .reviews-summary {
    flex-direction: column;
    gap: 20px;
  }
}

.reviews-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 120px;
}

.reviews-score-big {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-1);
  margin-bottom: 8px;
}

.reviews-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: transform var(--transition), border-color var(--transition);
  text-align: left;
}

.review-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-accent);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.review-author {
  font-weight: 600;
  color: var(--text-1);
}

.review-date {
  font-size: 0.8rem;
  color: var(--text-3);
}

.review-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 6px;
}

.review-content {
  font-size: 0.9rem;
  color: var(--text-2);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}