/* ==========================================================================
   VIBRANT KICKS VAULT - STYLESHEET
   Neon Streetwear & Sneaker E-Commerce Experience
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-primary: #07080c;
  --bg-secondary: #0e111a;
  --bg-card: rgba(18, 22, 34, 0.75);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);

  --neon-volt: #d4ff00;
  --neon-cyan: #00f0ff;
  --neon-pink: #ff007a;
  --neon-purple: #9d4edd;
  --neon-orange: #ff5500;

  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-glass: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(0, 240, 255, 0.3);

  --shadow-neon-cyan: 0 0 25px rgba(0, 240, 255, 0.35);
  --shadow-neon-pink: 0 0 25px rgba(255, 0, 122, 0.35);
  --shadow-neon-volt: 0 0 25px rgba(212, 255, 0, 0.35);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(157, 78, 221, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(0, 240, 255, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(255, 0, 122, 0.1) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #252d42;
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--neon-cyan);
}

/* Utility Classes */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #00f0ff, #7000ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-volt {
  background: linear-gradient(135deg, #d4ff00, #00f0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-pink {
  background: linear-gradient(135deg, #ff007a, #ff9900);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Announcement Marquee Bar */
.announcement-bar {
  background: linear-gradient(90deg, #ff007a, #9d4edd, #00f0ff, #d4ff00, #ff007a);
  background-size: 300% 100%;
  animation: gradientFlow 10s ease infinite;
  color: #000;
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  overflow: hidden;
  padding: 0.45rem 0;
  display: flex;
  white-space: nowrap;
}

.announcement-track {
  display: flex;
  animation: marquee 25s linear infinite;
  gap: 3rem;
}

.announcement-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Header & Navigation */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 8, 12, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: all var(--transition-fast);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 900;
  font-size: 1.45rem;
  letter-spacing: -0.5px;
}

.brand-badge-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
  transform: rotate(-6deg);
  transition: transform var(--transition-spring);
}

.brand-logo:hover .brand-badge-icon {
  transform: rotate(6deg) scale(1.1);
}

.brand-text span {
  color: var(--neon-volt);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan);
  transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.icon-btn {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: var(--bg-glass-hover);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
  transform: translateY(-2px);
}

.badge-count {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--neon-pink);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 10px rgba(255, 0, 122, 0.6);
  animation: badgePop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes badgePop {
  0% { transform: scale(0); }
  70% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 4.5rem 0 5rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(212, 255, 0, 0.1);
  border: 1px solid rgba(212, 255, 0, 0.3);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  color: var(--neon-volt);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(212, 255, 0, 0.15);
  animation: pulsePill 2s infinite ease-in-out;
}

@keyframes pulsePill {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.02); }
}

.hero-title {
  font-size: clamp(2.6rem, 5.2vw, 4.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 1.5rem;
}

.hero-title span.glow-word {
  color: var(--neon-cyan);
  text-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2.2rem;
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.95rem 1.9rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-cyan), #00a6ff);
  color: #050811;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.65);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-glass-hover);
  border-color: var(--neon-volt);
  color: var(--neon-volt);
  box-shadow: 0 0 20px rgba(212, 255, 0, 0.25);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 1.8rem;
}

.stat-item h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Hero Showcase Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-glow-backdrop {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.25) 0%, rgba(255, 0, 122, 0.2) 45%, transparent 70%);
  filter: blur(50px);
  z-index: 1;
  animation: pulseAura 5s ease-in-out infinite alternate;
}

@keyframes pulseAura {
  0% { transform: scale(0.9); opacity: 0.6; }
  100% { transform: scale(1.15); opacity: 0.95; }
}

.hero-image-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 540px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 240, 255, 0.3);
  border: 1px solid rgba(0, 240, 255, 0.3);
  animation: floatSneaker 5s ease-in-out infinite;
  transition: transform 0.2s ease-out;
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-image-wrapper:hover img {
  transform: scale(1.05);
}

@keyframes floatSneaker {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(-1.5deg); }
}

/* Floating Badges */
.floating-chip {
  position: absolute;
  z-index: 3;
  background: rgba(14, 17, 26, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  padding: 0.75rem 1.2rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  pointer-events: none;
}

.chip-top-right {
  top: 10%;
  right: -10px;
  border-color: rgba(212, 255, 0, 0.4);
  box-shadow: 0 10px 25px rgba(212, 255, 0, 0.2);
  animation: chipFloat1 4s ease-in-out infinite;
}

.chip-bottom-left {
  bottom: 8%;
  left: -20px;
  border-color: rgba(255, 0, 122, 0.4);
  box-shadow: 0 10px 25px rgba(255, 0, 122, 0.2);
  animation: chipFloat2 4.5s ease-in-out infinite 0.5s;
}

.chip-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.chip-icon.volt {
  background: rgba(212, 255, 0, 0.2);
  color: var(--neon-volt);
}

.chip-icon.pink {
  background: rgba(255, 0, 122, 0.2);
  color: var(--neon-pink);
}

.chip-text h4 {
  font-size: 0.9rem;
  font-weight: 800;
  color: #fff;
}

.chip-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

@keyframes chipFloat1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes chipFloat2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(12px); }
}

/* Brand Ticker / Logos */
.brand-strip {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: 1.8rem 0;
  overflow: hidden;
}

.brand-strip-inner {
  display: flex;
  gap: 4rem;
  animation: brandMarquee 20s linear infinite;
  white-space: nowrap;
}

.brand-item {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.brand-item:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

@keyframes brandMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Product Section */
.products-section {
  padding: 6rem 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2.8rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.section-tag {
  color: var(--neon-cyan);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.5px;
}

/* Filter, Search & Controls */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.category-tabs {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.cat-btn {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cat-btn:hover {
  background: var(--bg-glass-hover);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.cat-btn.active {
  background: var(--neon-cyan);
  color: #060911;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.filter-inputs {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box input {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  padding: 0.65rem 1.2rem 0.65rem 2.6rem;
  color: #fff;
  font-size: 0.9rem;
  width: 220px;
  outline: none;
  transition: all var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--neon-cyan);
  width: 270px;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
}

.search-icon {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  pointer-events: none;
}

.sort-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  padding: 0.65rem 1.4rem;
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.sort-select:focus {
  border-color: var(--neon-cyan);
}

/* Product Grid & Cards */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 2rem;
}

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

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 240, 255, 0.2);
}

.product-badge-flag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 5;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.badge-limited {
  background: rgba(255, 0, 122, 0.2);
  color: var(--neon-pink);
  border: 1px solid rgba(255, 0, 122, 0.4);
  box-shadow: 0 0 12px rgba(255, 0, 122, 0.3);
}

.badge-hot {
  background: rgba(212, 255, 0, 0.2);
  color: var(--neon-volt);
  border: 1px solid rgba(212, 255, 0, 0.4);
  box-shadow: 0 0 12px rgba(212, 255, 0, 0.3);
}

.badge-trending {
  background: rgba(0, 240, 255, 0.2);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.4);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
}

.card-favorite-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 5;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(14, 17, 26, 0.7);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.card-favorite-btn:hover, .card-favorite-btn.active {
  color: var(--neon-pink);
  border-color: var(--neon-pink);
  background: rgba(255, 0, 122, 0.15);
  box-shadow: 0 0 12px rgba(255, 0, 122, 0.35);
  transform: scale(1.1);
}

.card-image-wrap {
  position: relative;
  height: 250px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow: hidden;
}

.card-image-wrap img {
  width: 88%;
  height: auto;
  max-height: 200px;
  object-fit: contain;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.3s ease;
  filter: drop-shadow(0 15px 15px rgba(0, 0, 0, 0.7));
}

.product-card:hover .card-image-wrap img {
  transform: scale(1.1) rotate(-4deg);
  filter: drop-shadow(0 20px 25px rgba(0, 240, 255, 0.25));
}

.quick-view-overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 8, 12, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.product-card:hover .quick-view-overlay {
  opacity: 1;
  pointer-events: auto;
}

.btn-quick-view {
  background: rgba(255, 255, 255, 0.9);
  color: #000;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(0,0,0,0.5);
  transform: translateY(10px);
  transition: all var(--transition-fast);
}

.product-card:hover .btn-quick-view {
  transform: translateY(0);
}

.btn-quick-view:hover {
  background: var(--neon-cyan);
  box-shadow: 0 0 15px var(--neon-cyan);
}

.card-body {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  background: rgba(14, 17, 26, 0.5);
}

.card-cat {
  font-size: 0.76rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--neon-cyan);
  letter-spacing: 0.5px;
  margin-bottom: 0.4rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: #ffffff;
  transition: color var(--transition-fast);
}

.product-card:hover .card-title {
  color: var(--neon-cyan);
}

.card-rating {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: #ffc107;
  margin-bottom: 1rem;
}

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

.color-swatches {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1.2rem;
}

.swatch {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.swatch:hover, .swatch.active {
  transform: scale(1.25);
  border-color: #fff;
  box-shadow: 0 0 8px currentColor;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-glass);
}

.price-box {
  display: flex;
  flex-direction: column;
}

.price-original {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.price-current {
  font-size: 1.35rem;
  font-weight: 900;
  color: #fff;
}

.btn-add-cart {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: #fff;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-add-cart:hover {
  background: var(--neon-volt);
  color: #000;
  border-color: var(--neon-volt);
  box-shadow: 0 0 15px rgba(212, 255, 0, 0.4);
  transform: scale(1.05);
}

.btn-add-cart:active {
  transform: scale(0.95);
}

/* Interactive Sneaker Anatomy Spotlight */
.tech-spotlight-section {
  padding: 6rem 0;
  position: relative;
  background: linear-gradient(180deg, transparent 0%, rgba(14, 17, 26, 0.8) 50%, transparent 100%);
}

.spotlight-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.spotlight-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 35px rgba(212, 255, 0, 0.2);
  border: 1px solid rgba(212, 255, 0, 0.3);
}

.spotlight-visual img {
  width: 100%;
  height: auto;
  display: block;
}

/* Hotspot Markers */
.hotspot {
  position: absolute;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: rgba(212, 255, 0, 0.3);
  border: 2px solid var(--neon-volt);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: all var(--transition-spring);
  z-index: 10;
}

.hotspot::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  border: 2px solid var(--neon-volt);
  animation: radarPing 1.8s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.hotspot-dot {
  width: 10px;
  height: 10px;
  background: var(--neon-volt);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px var(--neon-volt);
}

.hotspot:hover, .hotspot.active {
  transform: translate(-50%, -50%) scale(1.3);
  background: rgba(212, 255, 0, 0.6);
}

@keyframes radarPing {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2.6); opacity: 0; }
}

.tech-cards-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 1.4rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.tech-card.active {
  border-color: var(--neon-volt);
  background: rgba(212, 255, 0, 0.05);
  box-shadow: 0 0 20px rgba(212, 255, 0, 0.15);
  transform: translateX(10px);
}

.tech-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: transparent;
  transition: background var(--transition-fast);
}

.tech-card.active::before {
  background: var(--neon-volt);
  box-shadow: 0 0 10px var(--neon-volt);
}

.tech-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.4rem;
}

.tech-icon {
  font-size: 1.3rem;
}

.tech-card h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
}

.tech-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Customer Reviews / Community Section */
.reviews-section {
  padding: 5rem 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.8rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 2rem;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.review-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 0, 122, 0.35);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(255, 0, 122, 0.15);
}

.review-stars {
  color: #ffb703;
  margin-bottom: 1rem;
  display: flex;
  gap: 0.2rem;
  font-size: 1.1rem;
}

.review-text {
  font-size: 0.96rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: #000;
}

.author-info h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
}

.author-info span {
  font-size: 0.78rem;
  color: var(--neon-volt);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* VIP Drop Alert Newsletter */
.vip-section {
  padding: 5rem 0;
}

.vip-card {
  background: linear-gradient(135deg, rgba(157, 78, 221, 0.2), rgba(0, 240, 255, 0.15));
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 3.5rem 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 240, 255, 0.2);
}

.vip-card h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 1rem;
}

.vip-card p {
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

.vip-form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  max-width: 500px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.vip-form input {
  flex: 1;
  min-width: 250px;
  background: rgba(14, 17, 26, 0.8);
  border: 1px solid var(--border-glass);
  padding: 0.95rem 1.4rem;
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.vip-form input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

/* Footer */
.main-footer {
  background: #040508;
  border-top: 1px solid var(--border-glass);
  padding: 4.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 1rem 0 1.5rem;
}

.footer-socials {
  display: flex;
  gap: 0.8rem;
}

.social-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-icon:hover {
  background: var(--neon-cyan);
  color: #000;
  box-shadow: 0 0 12px var(--neon-cyan);
  transform: translateY(-3px);
}

.footer-col h4 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 1.3rem;
  color: #fff;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--neon-cyan);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   INTERACTIVE MODALS & DRAWERS
   ========================================================================== */

/* Cart Drawer Backdrop */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

/* Cart Drawer Panel */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 440px;
  background: rgba(14, 17, 26, 0.95);
  backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-glass);
  box-shadow: -15px 0 40px rgba(0, 0, 0, 0.7);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
}

.cart-drawer.open {
  transform: translateX(0);
}

.cart-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-header h3 {
  font-size: 1.3rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-close-drawer {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.4rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn-close-drawer:hover {
  color: var(--neon-pink);
}

/* Free Shipping Meter */
.shipping-meter-wrap {
  padding: 1rem 1.5rem;
  background: rgba(0, 240, 255, 0.05);
  border-bottom: 1px solid var(--border-glass);
}

.shipping-label {
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.shipping-progress-bg {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.shipping-progress-fill {
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-volt));
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
  box-shadow: 0 0 10px var(--neon-cyan);
}

/* Cart Items List */
.cart-items-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.empty-cart-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--text-muted);
}

.empty-cart-view .empty-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.cart-item {
  display: flex;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  padding: 0.9rem;
  border-radius: var(--radius-md);
  position: relative;
  transition: all var(--transition-fast);
}

.cart-item:hover {
  border-color: rgba(0, 240, 255, 0.3);
}

.cart-item-img {
  width: 75px;
  height: 75px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.cart-item-img img {
  width: 90%;
  height: auto;
  object-fit: contain;
}

.cart-item-info {
  flex-grow: 1;
}

.cart-item-title {
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 0.2rem;
  color: #fff;
}

.cart-item-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.cart-item-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.qty-control {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.qty-btn {
  background: transparent;
  border: none;
  color: #fff;
  width: 26px;
  height: 26px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: background var(--transition-fast);
}

.qty-btn:hover {
  background: var(--bg-glass-hover);
  color: var(--neon-cyan);
}

.qty-num {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0 0.5rem;
}

.cart-item-price {
  font-size: 1rem;
  font-weight: 800;
  color: var(--neon-volt);
}

.btn-remove-item {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  transition: color var(--transition-fast);
}

.btn-remove-item:hover {
  color: var(--neon-pink);
}

/* Cart Footer */
.cart-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-glass);
  background: rgba(10, 12, 18, 0.8);
}

.coupon-box {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.coupon-box input {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.9rem;
  color: #fff;
  font-size: 0.85rem;
  outline: none;
  text-transform: uppercase;
}

.coupon-box input:focus {
  border-color: var(--neon-cyan);
}

.btn-apply-coupon {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: #fff;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-apply-coupon:hover {
  background: var(--neon-cyan);
  color: #000;
}

.cart-totals {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
}

.total-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}

.total-row.grand-total {
  font-size: 1.25rem;
  font-weight: 900;
  color: #fff;
  border-top: 1px solid var(--border-glass);
  padding-top: 0.8rem;
  margin-top: 0.4rem;
}

.total-row.grand-total span:last-child {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.btn-checkout {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--neon-volt), #00f0ff);
  color: #000;
  font-weight: 900;
  font-size: 1rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  box-shadow: 0 0 25px rgba(212, 255, 0, 0.4);
  transition: all var(--transition-fast);
}

.btn-checkout:hover {
  transform: scale(1.02);
  box-shadow: 0 0 35px rgba(212, 255, 0, 0.6);
}

/* Quick View Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  max-width: 860px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 30px rgba(0, 240, 255, 0.2);
  transform: scale(0.95);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.open .modal-card {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--neon-pink);
  box-shadow: 0 0 12px var(--neon-pink);
}

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  padding: 2.5rem;
}

.modal-gallery {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-main-img-box {
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-main-img-box img {
  max-width: 90%;
  max-height: 260px;
  object-fit: contain;
  filter: drop-shadow(0 15px 20px rgba(0, 0, 0, 0.6));
  transition: transform 0.4s ease;
}

.modal-main-img-box img:hover {
  transform: scale(1.08) rotate(-3deg);
}

.modal-details h2 {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.modal-price-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0;
}

.modal-price {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--neon-cyan);
}

.size-selector {
  margin: 1.5rem 0;
}

.size-selector-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
  display: flex;
  justify-content: space-between;
}

.size-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.5rem;
}

.size-btn {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: #fff;
  padding: 0.6rem 0;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.size-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.size-btn.active {
  background: var(--neon-cyan);
  color: #000;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  pointer-events: none;
}

.toast {
  background: rgba(14, 17, 26, 0.95);
  backdrop-filter: blur(14px);
  border: 1px solid var(--neon-cyan);
  color: #fff;
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.9rem;
  font-weight: 700;
  animation: toastSlideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-desc {
    margin: 0 auto 2.2rem;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .spotlight-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .modal-grid {
    grid-template-columns: 1fr;
    padding: 1.8rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .controls-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-box input {
    width: 100%;
  }
  .search-box input:focus {
    width: 100%;
  }
  .filter-inputs {
    flex-direction: column;
    width: 100%;
  }
  .sort-select {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}
