:root {
  /* Samsung-inspired Colors */
  --primary-bg: #0d0d0d;
  --secondary-bg: #1a1a1a;
  --accent-blue: #00a8ff;
  --accent-blue-light: #40c9ff;
  --accent-blue-glow: rgba(0, 168, 255, 0.3);
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #666666;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --gradient-primary: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-light) 100%);
  --gradient-dark: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  --shadow-glow: 0 0 40px var(--accent-blue-glow);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* Light Mode Colors */
  --light-primary-bg: #f8f9fa;
  --light-secondary-bg: #ffffff;
  --light-text-primary: #212529;
  --light-text-secondary: #6c757d;
  --light-text-muted: #adb5bd;
  --light-glass-bg: rgba(255, 255, 255, 0.7);
  --light-glass-border: rgba(255, 255, 255, 0.3);
  --light-shadow-card: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Light mode theme */
[data-theme="light"] {
  --primary-bg: var(--light-primary-bg);
  --secondary-bg: var(--light-secondary-bg);
  --text-primary: var(--light-text-primary);
  --text-secondary: var(--light-text-secondary);
  --text-muted: var(--light-text-muted);
  --glass-bg: var(--light-glass-bg);
  --glass-border: var(--light-glass-border);
  --shadow-card: var(--light-shadow-card);
  --gradient-dark: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: all 0.3s ease;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(13, 13, 13, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(13, 13, 13, 0.95);
  box-shadow: var(--shadow-card);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.nav-logo i {
  color: var(--accent-blue);
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--accent-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

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

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

/* Theme Toggle */
.theme-toggle {
  position: relative;
  width: 60px;
  height: 30px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  transition: all 0.3s ease;
}

.toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 26px;
  height: 26px;
  background: var(--gradient-primary);
  border-radius: 50%;
  transition: transform 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 168, 255, 0.3);
}

[data-theme="light"] .toggle-slider {
  transform: translateX(30px);
}

.theme-toggle i {
  font-size: 0.75rem;
  z-index: 1;
  transition: opacity 0.3s ease;
}

.sun-icon {
  color: #ffd700;
  opacity: 0;
}

.moon-icon {
  color: #c0c0c0;
  opacity: 1;
}

[data-theme="light"] .sun-icon {
  opacity: 1;
}

[data-theme="light"] .moon-icon {
  opacity: 0;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-btn span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* Enhanced animated gradient overlay */
.gradient-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(0, 168, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(64, 201, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(0, 168, 255, 0.08) 0%, transparent 50%);
  animation: gradientShift 8s ease-in-out infinite;
  z-index: 1;
}

/* Floating geometric shapes */
.hero::before {
  content: '';
  position: absolute;
  top: 15%;
  right: 20%;
  width: 8px;
  height: 8px;
  background: rgba(0, 168, 255, 0.6);
  border-radius: 50%;
  box-shadow: 
    0 0 20px rgba(0, 168, 255, 0.3),
    30px 50px 0 rgba(64, 201, 255, 0.4),
    -40px 30px 0 rgba(0, 168, 255, 0.3),
    60px -20px 0 rgba(64, 201, 255, 0.5),
    -30px -40px 0 rgba(0, 168, 255, 0.4),
    80px 80px 0 rgba(64, 201, 255, 0.3);
  animation: pulse 3s ease-in-out infinite, twinkle 4s ease-in-out infinite;
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  z-index: 0;
}

/* Additional animated background elements */
.hero-content::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: conic-gradient(from 0deg, transparent, rgba(0, 168, 255, 0.05), transparent);
  border-radius: 50%;
  animation: spinSlow 25s linear infinite;
  z-index: -1;
}

.hero-content::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 350px;
  height: 350px;
  background: conic-gradient(from 180deg, transparent, rgba(64, 201, 255, 0.04), transparent);
  border-radius: 50%;
  animation: spinSlow 20s linear infinite reverse;
  z-index: -1;
}



/* Background Particles Canvas */
#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
  animation: particleGlow 6s ease-in-out infinite alternate;
}

/* Animated floating orbs */
.hero-background::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 168, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatOrb1 12s ease-in-out infinite;
  z-index: 1;
}

.hero-background::after {
  content: '';
  position: absolute;
  top: 60%;
  right: 15%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(64, 201, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: floatOrb2 10s ease-in-out infinite reverse;
  z-index: 1;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-image img.interactive-mode {
  transition: filter 0.3s ease !important;
  transform-origin: center center !important;
}

.hero-image img.interactive-mode:hover {
  transform: none !important;
}

.hero:hover .hero-image img.interactive-mode {
  transform: none !important;
  filter: none !important;
}

.hero-image img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
  filter: drop-shadow(0 0 30px var(--accent-blue-glow));
  animation: float 6s ease-in-out infinite;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  position: relative;
  z-index: 6;
  transform-origin: center center;
}

.hero-image img:hover {
  transform: scale(1.15) rotate(2deg);
  filter: drop-shadow(0 0 50px var(--accent-blue-glow)) 
          drop-shadow(0 0 80px rgba(0, 168, 255, 0.4))
          brightness(1.1) 
          contrast(1.1);
}

.hero:hover .hero-image img {
  transform: scale(1.4) translateY(-15px);
  filter: drop-shadow(0 0 100px var(--accent-blue-glow)) 
          drop-shadow(0 0 150px rgba(0, 168, 255, 0.7))
          brightness(1.3) 
          contrast(1.3)
          saturate(1.2);
  animation-play-state: paused;
  z-index: 15;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  25% {
    transform: translateY(-20px) rotate(1deg);
  }
  50% {
    transform: translateY(-15px) rotate(0deg);
  }
  75% {
    transform: translateY(-25px) rotate(-1deg);
  }
}

/* Hero background animations */
@keyframes gradientShift {
  0%, 100% {
    background: 
      radial-gradient(circle at 20% 80%, rgba(0, 168, 255, 0.15) 0%, transparent 50%),
      radial-gradient(circle at 80% 20%, rgba(64, 201, 255, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 40% 40%, rgba(0, 168, 255, 0.08) 0%, transparent 50%);
  }
  33% {
    background: 
      radial-gradient(circle at 80% 20%, rgba(0, 168, 255, 0.12) 0%, transparent 50%),
      radial-gradient(circle at 20% 80%, rgba(64, 201, 255, 0.15) 0%, transparent 50%),
      radial-gradient(circle at 60% 60%, rgba(0, 168, 255, 0.08) 0%, transparent 50%);
  }
  66% {
    background: 
      radial-gradient(circle at 40% 60%, rgba(0, 168, 255, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 60% 40%, rgba(64, 201, 255, 0.12) 0%, transparent 50%),
      radial-gradient(circle at 80% 80%, rgba(0, 168, 255, 0.08) 0%, transparent 50%);
  }
}

@keyframes gridMove {
  0% {
    background-position: 0 0, 0 0;
  }
  100% {
    background-position: 100px 100px, -100px -100px;
  }
}

@keyframes floatOrb1 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.3;
  }
  25% {
    transform: translate(30px, -20px) scale(1.1);
    opacity: 0.5;
  }
  50% {
    transform: translate(-20px, -40px) scale(0.9);
    opacity: 0.4;
  }
  75% {
    transform: translate(40px, -10px) scale(1.05);
    opacity: 0.6;
  }
}

@keyframes floatOrb2 {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.2;
  }
  33% {
    transform: translate(-25px, 30px) scale(1.2);
    opacity: 0.4;
  }
  66% {
    transform: translate(35px, -25px) scale(0.8);
    opacity: 0.3;
  }
}

@keyframes particleGlow {
  0% {
    opacity: 0.4;
    filter: brightness(1);
  }
  100% {
    opacity: 0.7;
    filter: brightness(1.2);
  }
}

@keyframes spinSlow {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.5);
    opacity: 1;
  }
}

@keyframes twinkle {
  0%, 100% {
    box-shadow: 
      0 0 20px rgba(0, 168, 255, 0.3),
      30px 50px 0 rgba(64, 201, 255, 0.4),
      -40px 30px 0 rgba(0, 168, 255, 0.3),
      60px -20px 0 rgba(64, 201, 255, 0.5),
      -30px -40px 0 rgba(0, 168, 255, 0.4),
      80px 80px 0 rgba(64, 201, 255, 0.3);
  }
  25% {
    box-shadow: 
      0 0 30px rgba(0, 168, 255, 0.6),
      30px 50px 0 rgba(64, 201, 255, 0.7),
      -40px 30px 0 rgba(0, 168, 255, 0.5),
      60px -20px 0 rgba(64, 201, 255, 0.8),
      -30px -40px 0 rgba(0, 168, 255, 0.6),
      80px 80px 0 rgba(64, 201, 255, 0.5);
  }
  50% {
    box-shadow: 
      0 0 25px rgba(0, 168, 255, 0.4),
      30px 50px 0 rgba(64, 201, 255, 0.6),
      -40px 30px 0 rgba(0, 168, 255, 0.7),
      60px -20px 0 rgba(64, 201, 255, 0.3),
      -30px -40px 0 rgba(0, 168, 255, 0.8),
      80px 80px 0 rgba(64, 201, 255, 0.4);
  }
  75% {
    box-shadow: 
      0 0 35px rgba(0, 168, 255, 0.5),
      30px 50px 0 rgba(64, 201, 255, 0.3),
      -40px 30px 0 rgba(0, 168, 255, 0.6),
      60px -20px 0 rgba(64, 201, 255, 0.7),
      -30px -40px 0 rgba(0, 168, 255, 0.3),
      80px 80px 0 rgba(64, 201, 255, 0.8);
  }
}

/* Responsive image sizing */
@media (max-width: 768px) {
  .hero-image img {
    max-width: 90%;
    max-height: 60%;
  }
  
  .hero-content {
    flex-direction: column;
    text-align: center;
    max-width: 600px;
  }
  
  .hero-text-left,
  .hero-text-right {
    text-align: center;
    padding: 0;
    margin-bottom: 1.5rem;
  }
  
  .hero-text-left {
    margin-bottom: 2rem;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero:hover .hero-text-left {
    transform: translateY(-30px) scale(0.95);
    opacity: 0.6;
  }
  
  .hero:hover .hero-text-right {
    transform: translateY(30px) scale(0.95);
    opacity: 0.6;
  }
  
  .hero:hover .hero-title {
    transform: translateY(-10px) translateX(-15px) scale(1.02);
  }
  
  .hero:hover .hero-tagline {
    transform: translateY(5px) translateX(-20px);
  }
  
  .hero:hover .hero-subtitle {
    transform: translateY(-10px) translateX(20px);
  }
  
  .hero:hover .hero-actions {
    transform: translateY(15px) translateX(25px) scale(0.9);
    opacity: 0.5;
  }
  
  .hero:hover .hero-image img {
    transform: scale(1.1) translateX(15px);
  }
}

@media (hover: none) and (pointer: coarse) {
  .hero:hover .hero-text-left,
  .hero:hover .hero-text-right,
  .hero:hover .hero-title,
  .hero:hover .hero-tagline,
  .hero:hover .hero-subtitle,
  .hero:hover .hero-actions,
  .hero:hover .hero-image img {
    transform: none;
    opacity: 1;
    filter: none;
  }
  
  .hero-image img:hover {
    transform: scale(1.05);
  }
}

.hero-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
  max-width: 1000px;
  width: 100%;
  padding: 0 2rem;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  pointer-events: none;
}

.hero-content * {
  pointer-events: auto;
}

/* Left side text container */
.hero-text-left {
  flex: 1;
  text-align: left;
  padding-right: 1rem;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-text-right {
  flex: 1;
  text-align: right;
  padding-left: 1rem;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero:hover .hero-text-left {
  transform: translateX(-250px) scale(0.9);
  opacity: 0.8;
  color: var(--text-primary);
}

.hero:hover .hero-text-right {
  transform: translateX(250px) scale(0.9);
  opacity: 0.8;
  color: var(--text-primary);
}

.hero-text-left:hover {
  transform: translateX(-150px) scale(0.95) !important;
  opacity: 0.9 !important;
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 10;
}

.hero-text-right:hover {
  transform: translateX(150px) scale(0.95) !important;
  opacity: 0.9 !important;
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 10;
}

.hero:hover .hero-title {
  transform: translateY(-10px) scale(0.9);
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
  opacity: 0.8;
  color: var(--text-primary);
}

.hero:hover .hero-tagline {
  transform: translateY(5px) scale(0.9);
  opacity: 0.8;
  color: var(--accent-blue);
}

.hero:hover .hero-subtitle {
  transform: translateY(-5px) scale(0.9);
  opacity: 0.8;
  color: var(--text-secondary);
}

.hero:hover .hero-actions {
  transform: translateY(10px) scale(0.95);
  opacity: 1;
}

.hero-title:hover {
  transform: translateY(-15px) scale(1.05) !important;
  opacity: 1 !important;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.5) !important;
  color: var(--text-primary) !important;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 15;
}

.hero-tagline:hover {
  transform: translateY(-10px) scale(1.1) !important;
  opacity: 1 !important;
  color: var(--accent-blue-light) !important;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 15;
}

.hero-subtitle:hover {
  transform: translateY(-8px) scale(1.03) !important;
  opacity: 1 !important;
  color: var(--text-primary) !important;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 15;
}

.hero-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.1;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.brand-text {
  display: block;
  color: var(--text-primary);
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
  transition: all 0.8s ease;
}

.product-text {
  display: block;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px var(--accent-blue-glow));
  transition: all 0.8s ease;
}

.hero-tagline {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 300;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.8;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cta-primary,
.cta-secondary {
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.cta-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

.cta-primary:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 0 50px var(--accent-blue-glow);
  opacity: 1 !important;
  z-index: 20;
}

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

.cta-secondary:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  transform: translateY(-2px) scale(1.05);
  opacity: 1 !important;
  z-index: 20;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  animation: bounce 2s infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Section Styles */
section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Features Section */
.features {
  background: var(--secondary-bg);
}

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

@media (max-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-card);
  border-color: var(--accent-blue);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  font-size: 2rem;
  color: white;
  box-shadow: var(--shadow-glow);
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Tech Specs Section */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.spec-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.spec-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
  border-color: var(--accent-blue-light);
}

.spec-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.spec-header i {
  font-size: 1.5rem;
  color: var(--accent-blue);
}

.spec-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.spec-content p {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.spec-content span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Demo Section */
.demo-section {
  background: var(--secondary-bg);
  text-align: center;
}

.demo-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.demo-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.demo-video-container {
  max-width: 800px;
  margin: 0 auto;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.video-placeholder {
  width: 100%;
  height: 400px;
  background: var(--gradient-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.video-placeholder:hover {
  transform: scale(1.02);
}

.play-button {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  box-shadow: var(--shadow-glow);
  transition: all 0.3s ease;
}

.play-button:hover {
  transform: scale(1.1);
}

/* Testimonials Section */
.testimonials-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2rem 0;
  height: 400px;
  perspective: 1000px;
}

.testimonial-card {
  position: absolute;
  width: 350px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  transform-style: preserve-3d;
}

/* Center card (active) */
.testimonial-card.active {
  transform: translateX(0) scale(1) rotateY(0deg);
  opacity: 1;
  z-index: 3;
  box-shadow: 
    var(--shadow-card),
    0 0 40px rgba(0, 168, 255, 0.2),
    0 20px 60px rgba(0, 0, 0, 0.4);
  border-color: var(--accent-blue);
}

/* Left side card */
.testimonial-card.prev {
  transform: translateX(-120%) scale(0.85) rotateY(15deg);
  opacity: 0.4;
  z-index: 1;
  filter: blur(1px) brightness(0.7);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Right side card */
.testimonial-card.next {
  transform: translateX(120%) scale(0.85) rotateY(-15deg);
  opacity: 0.4;
  z-index: 1;
  filter: blur(1px) brightness(0.7);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Far left card (hidden) */
.testimonial-card.far-prev {
  transform: translateX(-200%) scale(0.7) rotateY(25deg);
  opacity: 0.1;
  z-index: 0;
  filter: blur(2px) brightness(0.5);
}

/* Far right card (hidden) */
.testimonial-card.far-next {
  transform: translateX(200%) scale(0.7) rotateY(-25deg);
  opacity: 0.1;
  z-index: 0;
  filter: blur(2px) brightness(0.5);
}

/* Hover effects for side cards */
.testimonial-card.prev:hover,
.testimonial-card.next:hover {
  opacity: 0.7;
  transform: translateX(-110%) scale(0.9) rotateY(10deg);
  filter: blur(0.5px) brightness(0.85);
}

.testimonial-card.next:hover {
  transform: translateX(110%) scale(0.9) rotateY(-10deg);
}

/* Active card hover effect */
.testimonial-card.active:hover {
  transform: translateX(0) scale(1.02) rotateY(0deg);
  box-shadow: 
    var(--shadow-card),
    0 0 50px rgba(0, 168, 255, 0.3),
    0 25px 70px rgba(0, 0, 0, 0.5);
}

.stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.stars i {
  color: #ffd700;
  font-size: 1.1rem;
}

.testimonial-content p {
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--accent-blue);
}

.testimonial-author h4 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.testimonial-author span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.testimonials-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.nav-btn {
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--text-primary);
}

.nav-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  transform: scale(1.1);
}

/* Footer */
.footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--glass-border);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-logo i {
  color: var(--accent-blue);
  font-size: 2rem;
}

.footer-section p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icons a {
  width: 45px;
  height: 45px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-icons a:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.footer-section h4 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.signup-form {
  display: flex;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  overflow: hidden;
  margin-top: 1rem;
}

.signup-form input {
  flex: 1;
  background: none;
  border: none;
  padding: 1rem 1.5rem;
  color: var(--text-primary);
  outline: none;
}

.signup-form input::placeholder {
  color: var(--text-muted);
}

.signup-form button {
  background: var(--gradient-primary);
  border: none;
  padding: 1rem;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
}

.signup-form button:hover {
  transform: scale(1.1);
}

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

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

.footer-credits {
  text-align: right;
}

.footer-credits p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.credits a {
  color: var(--accent-blue);
  text-decoration: none;
}

.credits a:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    flex-direction: column;
    padding: 2rem 0;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 999;
  }
  
  .nav-menu.mobile-active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .specs-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-container {
    height: 350px;
    padding: 1rem;
  }
  
  .testimonial-card {
    width: 280px;
  }
  
  .testimonial-card.prev {
    transform: translateX(-90%) scale(0.8) rotateY(10deg);
  }
  
  .testimonial-card.next {
    transform: translateX(90%) scale(0.8) rotateY(-10deg);
  }
  
  .testimonial-card.far-prev,
  .testimonial-card.far-next {
    opacity: 0;
    pointer-events: none;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-credits {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 1rem;
  }
  
  .hero-content {
    padding: 0 1rem;
  }
  
  .container {
    padding: 0 15px;
  }
  
  .feature-card,
  .spec-card {
    padding: 1.5rem;
  }
  
  .testimonial-card {
    min-width: 250px;
    padding: 1.5rem;
  }
  
  .hero-title {
    font-size: 2.5rem !important;
  }
  
  .hero-tagline {
    font-size: 1rem !important;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 1rem;
  }
  
  .cta-primary,
  .cta-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* Enhanced button hover effects */
.cta-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.cta-primary:hover::before {
  left: 100%;
}

.scroll-indicator {
  cursor: pointer;
}

.scroll-indicator:hover .scroll-line {
  background: var(--accent-blue-light);
  box-shadow: 0 0 10px var(--accent-blue-glow);
}

/* Smooth Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  animation: slideInLeft 0.8s ease forwards;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  animation: slideInRight 0.8s ease forwards;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Enhanced Loading Animation - Toothpaste Tube */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    var(--primary-bg) 0%, 
    rgba(26, 26, 26, 0.95) 50%,
    var(--primary-bg) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
  overflow: hidden;
}

.loading-content {
  text-align: center;
  color: var(--text-primary);
  position: relative;
}

.loading-content p {
  margin-top: 3rem;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--accent-blue);
  letter-spacing: 1px;
  animation: fadeInOut 2s ease-in-out infinite;
}

/* Toothpaste Tube Animation Container */
.loading-spinner {
  width: 200px;
  height: 120px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Toothpaste Tube Body */
.toothpaste-tube {
  width: 120px;
  height: 80px;
  background: linear-gradient(145deg, 
    #ffffff 0%,
    #f0f0f0 30%,
    #e0e0e0 70%,
    #d0d0d0 100%);
  border-radius: 8px 40px 40px 8px;
  position: relative;
  box-shadow: 
    0 4px 15px rgba(0, 0, 0, 0.2),
    inset 0 2px 5px rgba(255, 255, 255, 0.5),
    inset 0 -2px 5px rgba(0, 0, 0, 0.1);
  animation: squeeze 2s ease-in-out infinite;
  transform-origin: left center;
}

/* Tube Cap */
.tube-cap {
  position: absolute;
  right: -15px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 20px;
  background: linear-gradient(145deg, 
    var(--accent-blue) 0%,
    var(--accent-blue-light) 50%,
    var(--accent-blue) 100%);
  border-radius: 0 8px 8px 0;
  box-shadow: 
    0 2px 8px rgba(0, 168, 255, 0.3),
    inset 0 1px 3px rgba(255, 255, 255, 0.3);
}

/* Tube Opening */
.tube-opening {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: #333;
  border-radius: 50%;
  z-index: 2;
}

/* Toothpaste Stream */
.toothpaste-stream {
  position: absolute;
  right: -25px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 6px;
  background: linear-gradient(90deg, 
    #ffffff 0%,
    #00a8ff 20%,
    #ffffff 40%,
    #40c9ff 60%,
    #ffffff 80%,
    #00a8ff 100%);
  border-radius: 3px;
  animation: streamFlow 2s ease-in-out infinite;
  z-index: 1;
  box-shadow: 
    0 0 10px rgba(0, 168, 255, 0.4),
    0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Brand Label on Tube */
.tube-label {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-blue);
  font-size: 0.7rem;
  font-weight: 600;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 1px;
}

/* Sparkle Effects */
.sparkle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-blue-light);
  border-radius: 50%;
  animation: sparkle 1.5s ease-in-out infinite;
}

.sparkle:nth-child(1) {
  top: 20%;
  right: 10%;
  animation-delay: 0s;
}

.sparkle:nth-child(2) {
  top: 60%;
  right: 20%;
  animation-delay: 0.5s;
}

.sparkle:nth-child(3) {
  top: 40%;
  right: 5%;
  animation-delay: 1s;
}

.sparkle:nth-child(4) {
  top: 80%;
  right: 15%;
  animation-delay: 1.5s;
}

/* Loading Progress Bar */
.loading-progress {
  width: 300px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-top: 2rem;
  overflow: hidden;
  position: center;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 2px;
  animation: progressFill 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--accent-blue-glow);
}

/* Keyframe Animations */
@keyframes squeeze {
  0%, 100% {
    transform: scaleX(1) scaleY(1);
  }
  50% {
    transform: scaleX(0.85) scaleY(1.1);
  }
}

@keyframes streamFlow {
  0% {
    width: 0;
    opacity: 0;
  }
  30% {
    width: 60px;
    opacity: 1;
  }
  70% {
    width: 80px;
    opacity: 1;
  }
  100% {
    width: 100px;
    opacity: 0.7;
  }
}

@keyframes sparkle {
  0%, 100% {
    opacity: 0;
    transform: scale(0) rotate(0deg);
  }
  50% {
    opacity: 1;
    transform: scale(1.5) rotate(180deg);
  }
}

@keyframes fadeInOut {
  0%, 100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

@keyframes progressFill {
  0% {
    width: 0%;
  }
  100% {
    width: 100%;
  }
}

/* Competitor Comparison Section */
.comparison {
  padding: 8rem 0;
  background: linear-gradient(135deg, 
    rgba(13, 13, 13, 0.95) 0%,
    rgba(23, 23, 23, 0.95) 100%);
  position: relative;
  overflow: hidden;
}

.comparison::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 30%, rgba(64, 201, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 70%, rgba(0, 168, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.comparison-table-container {
  overflow-x: auto;
  margin: 3rem 0;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(64, 201, 255, 0.2);
  padding: 1rem;
}

.comparison-table {
  min-width: 800px;
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table-header {
  display: grid;
  grid-template-columns: 2fr 2fr 1.5fr 1.5fr;
  gap: 0;
  background: rgba(0, 168, 255, 0.1);
  border-radius: 15px 15px 0 0;
  overflow: hidden;
}

.header-cell {
  padding: 1.5rem;
  text-align: center;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.1rem;
  position: relative;
}

.header-cell:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255, 255, 255, 0.2);
}

.feature-header {
  background: rgba(64, 201, 255, 0.2);
  font-size: 1.2rem;
}

.samsung-header {
  background: rgba(0, 168, 255, 0.3);
  position: relative;
}

.brand-highlight {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.brand-highlight i {
  color: var(--accent-blue-light);
  font-size: 1.2rem;
}

.table-row {
  display: grid;
  grid-template-columns: 2fr 2fr 1.5fr 1.5fr;
  gap: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.table-row:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(64, 201, 255, 0.15);
}

.table-row:last-child {
  border-bottom: none;
  border-radius: 0 0 15px 15px;
  overflow: hidden;
}

.table-cell {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.table-cell:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.feature-cell {
  background: rgba(255, 255, 255, 0.02);
  font-weight: 500;
  color: var(--text-primary);
  justify-content: flex-start;
  padding-left: 2rem;
}

.feature-cell i {
  color: var(--accent-blue-light);
  font-size: 1.1rem;
  margin-right: 0.5rem;
}

.samsung-cell {
  background: rgba(0, 168, 255, 0.1);
  color: var(--accent-blue-light);
  font-weight: 600;
  position: relative;
}

.samsung-cell i {
  color: #00ff88;
  font-size: 1.2rem;
}

.samsung-cell.exclusive {
  background: rgba(255, 215, 0, 0.1);
  color: #ffd700;
  animation: pulse-gold 2s infinite;
}

.samsung-cell.exclusive i {
  color: #ffd700;
  animation: rotate-crown 3s linear infinite;
}

.no-cell {
  color: #ff6b6b;
}

.no-cell i {
  color: #ff6b6b;
  font-size: 1.1rem;
}

.partial-cell {
  color: #ffa726;
}

.partial-cell i {
  color: #ffa726;
  font-size: 1.1rem;
}

.rare-cell {
  color: #ffab40;
}

.rare-cell i {
  color: #ffab40;
  font-size: 1.1rem;
}

.highlight-row {
  background: rgba(255, 215, 0, 0.05);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: 10px;
  margin: 0.5rem 0;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.1);
}

.highlight-row .table-cell {
  padding: 2rem 1.5rem;
}

.comparison-summary {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

.summary-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem;
  max-width: 600px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.summary-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 168, 255, 0.2);
}

.summary-card h3 {
  color: var(--text-primary);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.summary-card ul {
  list-style: none;
  text-align: left;
}

.summary-card li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  color: var(--text-secondary);
  font-size: 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.summary-card li:last-child {
  border-bottom: none;
}

.summary-card li i {
  color: var(--accent-blue-light);
  font-size: 1.2rem;
  min-width: 20px;
}

/* Animations */
@keyframes pulse-gold {
  0%, 100% {
    background: rgba(255, 215, 0, 0.1);
  }
  50% {
    background: rgba(255, 215, 0, 0.2);
  }
}

@keyframes rotate-crown {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Responsive Design for Comparison */
@media (max-width: 768px) {
  .comparison-table-container {
    margin: 2rem -1rem;
    padding: 0.5rem;
    border-radius: 10px;
  }
  
  .table-header,
  .table-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .table-cell {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    justify-content: flex-start;
    text-align: left;
  }
  
  .table-cell:not(:last-child)::after {
    display: none;
  }
  
  .feature-cell {
    background: rgba(0, 168, 255, 0.1);
    font-weight: 600;
    font-size: 1.1rem;
  }
  
  .samsung-cell {
    background: rgba(0, 168, 255, 0.2);
  }
  
  .summary-card {
    margin: 0 1rem;
    padding: 2rem;
  }
  
  .summary-card h3 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .comparison {
    padding: 4rem 0;
  }
  
  .header-cell,
  .table-cell {
    padding: 0.75rem;
    font-size: 0.9rem;
  }
  
  .brand-highlight {
    flex-direction: column;
    gap: 0.25rem;
  }
  
  .brand-highlight span {
    font-size: 0.8rem;
  }
}