@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700;800&display=swap');

/* --- LIGHT MODE THEME (DEFAULT) --- */
:root {
  --bg-page: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-subtle: #F1F5F9;
  
  --accent-blue: #2563EB;
  --accent-cyan: #0284C7;
  --accent-indigo: #4F46E5;
  --accent-hover: #1D4ED8;
  --accent-glow: rgba(37, 99, 235, 0.25);
  
  --card-border: #E2E8F0;
  --card-border-hover: rgba(37, 99, 235, 0.4);
  --card-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.08);
  --card-shadow-hover: 0 20px 40px -10px rgba(37, 99, 235, 0.18);

  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-light: #FFFFFF;
  
  --font-main: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- DARK MODE OVERRIDES --- */
[data-theme="dark"] {
  --bg-page: #0B0F19;
  --bg-card: rgba(17, 24, 39, 0.8);
  --bg-glass: rgba(15, 23, 42, 0.75);
  --bg-subtle: rgba(15, 23, 42, 0.6);
  
  --accent-blue: #3B82F6;
  --accent-cyan: #06B6D4;
  --accent-indigo: #6366F1;
  --accent-hover: #2563EB;
  --accent-glow: rgba(59, 130, 246, 0.4);
  
  --card-border: rgba(255, 255, 255, 0.1);
  --card-border-hover: rgba(59, 130, 246, 0.5);
  --card-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  --card-shadow-hover: 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 20px rgba(59, 130, 246, 0.25);

  --text-main: #FFFFFF;
  --text-muted: #94A3B8;
  --text-light: #FFFFFF;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Background Ambient Glow Mesh */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.ambient-glow-1 {
  position: absolute;
  top: -10%;
  left: 15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, rgba(248, 250, 252, 0) 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-2 {
  position: absolute;
  top: 35%;
  right: -5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(248, 250, 252, 0) 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* --- HEADER / NAVBAR --- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  transition: var(--transition);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--text-main);
  text-decoration: none;
}

.logo-badge {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-blue);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-blue);
  border-radius: 3px;
  box-shadow: 0 0 8px var(--accent-glow);
}

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

.theme-toggle-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.icon-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  font-size: 1.1rem;
}

.icon-btn:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: var(--card-shadow);
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-indigo) 100%);
  color: white;
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
  background: linear-gradient(135deg, var(--accent-hover) 0%, #3730A3 100%);
}

.btn-outline {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--card-border);
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: var(--card-shadow);
}

/* --- HERO SECTION --- */
.hero-section {
  padding: 4rem 0 5rem 0;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.25);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-blue);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-blue);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(37, 99, 235, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

.hero-text h1 {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
  color: var(--text-main);
}

.gradient-text {
  background: linear-gradient(135deg, #2563EB 0%, #4F46E5 50%, #0284C7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text p {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  max-width: 520px;
  line-height: 1.6;
}

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

.hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--card-border);
}

.stat-item h4 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* 3D Showcase Image Frame */
.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-backdrop {
  position: absolute;
  width: 90%;
  height: 90%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, rgba(99, 102, 241, 0.1) 50%, rgba(248, 250, 252, 0) 75%);
  border-radius: 50%;
  filter: blur(40px);
  z-index: 0;
}

.hero-image-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--card-border);
  background: #FFFFFF;
  transition: var(--transition);
  padding: 16px;
}

.hero-image-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--card-border-hover);
}

.hero-img {
  width: 100%;
  height: 420px;
  object-fit: contain;
  display: block;
}

/* Floating Info Badges */
.floating-badge {
  position: absolute;
  padding: 10px 18px;
  border-radius: 50px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--card-shadow);
  z-index: 2;
  animation: floatPill 4s ease-in-out infinite alternate;
}

.floating-badge-1 {
  top: 12%;
  left: -20px;
}

.floating-badge-2 {
  bottom: 12%;
  right: -15px;
  animation-delay: 2s;
}

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

/* --- FEATURES STRIP --- */
.features-section {
  padding: 2.5rem 0;
  margin-top: 1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1.2rem;
  transition: var(--transition);
  box-shadow: var(--card-shadow);
}

.feature-card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-blue);
  flex-shrink: 0;
}

.feature-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 2px;
}

.feature-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- SECTION HEADER --- */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 0.4rem;
}

/* Category Filters */
.category-filters {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 2rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
  box-shadow: 0 4px 15px var(--accent-glow);
}

/* --- PRODUCT GRID --- */
.products-section {
  padding: 4rem 0 6rem 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--card-border-hover);
  box-shadow: var(--card-shadow-hover);
}

.badge {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 5;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.badge-purple {
  background: linear-gradient(135deg, #8B5CF6, #EC4899);
}

.badge-cyan {
  background: linear-gradient(135deg, #0284C7, #2563EB);
}

.product-image-box {
  height: 240px;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 1.2rem;
  position: relative;
  background: #FFFFFF;
  border: 1px solid rgba(226, 232, 240, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-image-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* Quick Action Overlay */
.product-actions-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  opacity: 0;
  transition: var(--transition);
}

.product-card:hover .product-actions-overlay {
  opacity: 1;
}

.quick-view-btn {
  background: white;
  color: var(--text-main);
  border: none;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.quick-view-btn:hover {
  background: var(--accent-blue);
  color: white;
}

.product-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex-grow: 1;
}

.product-category {
  color: var(--accent-blue);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.product-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: #F59E0B;
}

.rating-count {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.product-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--card-border);
}

.price {
  color: var(--text-main);
  font-weight: 800;
  font-size: 1.3rem;
  font-family: var(--font-heading);
}

.add-to-cart-btn {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.add-to-cart-btn:hover {
  transform: scale(1.1) rotate(90deg);
  background: var(--accent-hover);
}

/* --- SOUND LAB INTERACTIVE EQUALIZER DEMO --- */
.sound-lab-section {
  padding: 5rem 0;
}

.sound-lab-box {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

.sound-lab-info h3 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.sound-lab-info p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.eq-controls {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.eq-preset-btn-group {
  display: flex;
  gap: 0.8rem;
}

.eq-preset-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.eq-preset-btn.active, .eq-preset-btn:hover {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
}

.visualizer-container {
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

canvas#eq-canvas {
  width: 100%;
  height: 180px;
  background: transparent;
  border-radius: 8px;
}

.sound-demo-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.sound-play-btn {
  background: var(--accent-blue);
  color: white;
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition);
}

.sound-play-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* --- QUICK VIEW & CART DRAWERS --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 90%;
  padding: 2.5rem;
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  box-shadow: 0 25px 60px rgba(15, 23, 42, 0.2);
  transform: scale(0.9);
  transition: var(--transition);
  color: var(--text-main);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.close-modal {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* Cart Drawer */
.cart-drawer {
  position: fixed;
  top: 0;
  right: -450px;
  width: 100%;
  max-width: 420px;
  height: 100vh;
  background: var(--bg-card);
  border-left: 1px solid var(--card-border);
  z-index: 300;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  color: var(--text-main);
}

.cart-drawer.active {
  right: 0;
}

.cart-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-items-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.cart-item {
  display: flex;
  gap: 1rem;
  align-items: center;
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  padding: 0.8rem;
  border-radius: var(--radius-md);
}

.cart-item-img {
  width: 70px;
  height: 70px;
  border-radius: 8px;
  object-fit: cover;
}

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

.cart-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.cart-item-price {
  color: var(--accent-blue);
  font-weight: 700;
  font-size: 0.9rem;
}

.cart-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--card-border);
  background: var(--bg-subtle);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--text-main);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--accent-blue);
  color: var(--text-main);
  padding: 12px 20px;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  animation: slideIn 0.3s ease forwards;
}

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

/* --- FOOTER --- */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--card-border);
  padding: 4rem 0 2rem 0;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.newsletter-form input {
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  padding: 0.8rem 1rem;
  border-radius: 30px;
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
  flex-grow: 1;
}

.newsletter-form input:focus {
  border-color: var(--accent-blue);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* RESPONSIVE DESIGN */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-text h1 { font-size: 3rem; }
  .hero-text p { margin: 0 auto 2rem auto; }
  .hero-cta-group { justify-content: center; }
  .hero-stats { justify-content: center; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .sound-lab-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .modal-card { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}