/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Variables for Dark Mode Theme */
:root {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2a2a2a;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #888888;
  --accent-primary: #4f46e5;
  --accent-secondary: #7c3aed;
  --accent-hover: #3730a3;
  --card-bg: #242424;
  --card-border: #333333;
  --shadow-light: rgba(255, 255, 255, 0.05);
  --shadow-dark: rgba(0, 0, 0, 0.5);
  --navbar-bg: rgba(26, 26, 26, 0.95);
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
}

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

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  overflow-x: hidden;
  background: var(--bg-primary);
  transition: all 0.3s ease;
  font-size: 1rem;
  letter-spacing: 0.01em;
}

/* Typography Enhancement */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-primary);
}

h1 {
  font-size: 3rem;
  font-weight: 700;
}

h2 {
  font-size: 2.5rem;
  font-weight: 600;
}

h3 {
  font-size: 1.875rem;
  font-weight: 600;
}

h4 {
  font-size: 1.5rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-large {
  font-size: 1.125rem;
}

.text-small {
  font-size: 0.875rem;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.fw-light { font-weight: 300; }
.fw-normal { font-weight: 400; }
.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Professional Background */
#particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  overflow: hidden;
  transition: all 0.5s ease;
}

/* Subtle animated background pattern */
#particles-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(79, 70, 229, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(79, 70, 229, 0.03) 0%, transparent 50%);
  animation: subtleMove 30s ease-in-out infinite;
}

@keyframes subtleMove {
  0%, 100% {
    transform: translateX(0%) translateY(0%);
  }
  50% {
    transform: translateX(2%) translateY(1%);
  }
}

/* Morphing Shapes */
.morphing-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.morph-shape {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 70%
  );
  animation: morphTransform 20s ease-in-out infinite;
}

.shape-1 {
  width: 300px;
  height: 300px;
  top: 10%;
  left: 5%;
  animation-delay: 0s;
}

.shape-2 {
  width: 200px;
  height: 200px;
  top: 60%;
  right: 10%;
  animation-delay: 4s;
}

.shape-3 {
  width: 150px;
  height: 150px;
  top: 30%;
  left: 70%;
  animation-delay: 8s;
}

.shape-4 {
  width: 250px;
  height: 250px;
  bottom: 20%;
  left: 20%;
  animation-delay: 12s;
}

.shape-5 {
  width: 180px;
  height: 180px;
  top: 80%;
  right: 30%;
  animation-delay: 16s;
}

@keyframes morphTransform {
  0%,
  100% {
    transform: translateY(0px) scale(1) rotate(0deg);
    border-radius: 50%;
    opacity: 0.3;
  }
  25% {
    transform: translateY(-50px) scale(1.2) rotate(90deg);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    opacity: 0.6;
  }
  50% {
    transform: translateY(-30px) scale(0.8) rotate(180deg);
    border-radius: 63% 37% 54% 46% / 55% 48% 52% 45%;
    opacity: 0.4;
  }
  75% {
    transform: translateY(-70px) scale(1.1) rotate(270deg);
    border-radius: 70% 30% 30% 70% / 60% 40% 60% 40%;
    opacity: 0.5;
  }
}

/* Energy Waves */
.energy-waves {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.wave {
  position: absolute;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: waveExpand 4s ease-out infinite;
}

.wave-1 {
  width: 100px;
  height: 100px;
  top: -50px;
  left: -50px;
  animation-delay: 0s;
}

.wave-2 {
  width: 200px;
  height: 200px;
  top: -100px;
  left: -100px;
  animation-delay: 1.3s;
}

.wave-3 {
  width: 300px;
  height: 300px;
  top: -150px;
  left: -150px;
  animation-delay: 2.6s;
}

@keyframes waveExpand {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

/* Floating Orbs */
.floating-orbs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.orb {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(255, 255, 255, 0.8),
    rgba(255, 255, 255, 0.2),
    transparent
  );
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
  animation: orbFloat 15s ease-in-out infinite;
}

.orb-1 {
  width: 20px;
  height: 20px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 15px;
  height: 15px;
  top: 70%;
  left: 80%;
  animation-delay: 2s;
}

.orb-3 {
  width: 25px;
  height: 25px;
  top: 50%;
  left: 20%;
  animation-delay: 4s;
}

.orb-4 {
  width: 18px;
  height: 18px;
  top: 30%;
  right: 15%;
  animation-delay: 6s;
}

.orb-5 {
  width: 22px;
  height: 22px;
  bottom: 30%;
  left: 60%;
  animation-delay: 8s;
}

.orb-6 {
  width: 16px;
  height: 16px;
  top: 80%;
  right: 40%;
  animation-delay: 10s;
}

@keyframes orbFloat {
  0%,
  100% {
    transform: translateY(0px) translateX(0px) scale(1);
    opacity: 0.6;
  }
  25% {
    transform: translateY(-40px) translateX(20px) scale(1.2);
    opacity: 0.9;
  }
  50% {
    transform: translateY(-20px) translateX(-15px) scale(0.8);
    opacity: 0.7;
  }
  75% {
    transform: translateY(-60px) translateX(10px) scale(1.1);
    opacity: 0.8;
  }
}
#particles-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(120, 119, 198, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 119, 198, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 80%,
      rgba(120, 219, 255, 0.3) 0%,
      transparent 50%
    );
  animation: particleMove 20s ease-in-out infinite;
}

@keyframes particleMove {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  33% {
    transform: translateY(-30px) rotate(120deg);
  }
  66% {
    transform: translateY(-60px) rotate(240deg);
  }
}

/* Professional Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--navbar-bg);
  backdrop-filter: blur(20px);
  z-index: 1000;
  transition: all 0.3s ease;
  border-bottom: 1px solid var(--card-border);
  padding: var(--spacing-sm) 0;
}

.navbar.scrolled {
  background: var(--navbar-bg);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Professional Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.3s ease;
}

.nav-logo:hover {
  color: var(--accent-primary);
}

.logo-icon {
  font-size: 1.75rem;
  color: var(--accent-primary);
  transition: all 0.3s ease;
}

.nav-logo:hover .logo-icon {
  transform: scale(1.1);
}

.logo-text {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-text {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: logoTextShift 4s ease-in-out infinite;
}

@keyframes logoSpin {
  0%,
  100% {
    transform: rotateY(0deg) scale(1);
  }
  50% {
    transform: rotateY(180deg) scale(1.1);
  }
}

@keyframes logoGlow {
  0% {
    opacity: 0.3;
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(1.5);
  }
}

@keyframes logoTextShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}
@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  position: relative;
  padding: var(--spacing-xs) 0;
}

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

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

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: white;
  transition: all 0.3s ease;
}

/* Professional Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-content {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--spacing-xl);
}

.hero-text {
  z-index: 2;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Advanced 4D Title Animation */
.title-container {
  position: relative;
  margin-bottom: 20px;
}

.glitch-4d {
  position: relative;
  font-size: 4rem;
  font-weight: 800;
  display: inline-block;
}

.glitch-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
  background-size: 400% 400%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: glitch4D 6s ease-in-out infinite;
}

.layer-1 {
  animation-delay: 0s;
  z-index: 3;
}

.layer-2 {
  animation-delay: 0.1s;
  z-index: 2;
  background: linear-gradient(45deg, #4ecdc4, #45b7d1, #ff6b6b, #96ceb4);
}

.layer-3 {
  animation-delay: 0.2s;
  z-index: 1;
  background: linear-gradient(45deg, #45b7d1, #96ceb4, #4ecdc4, #ff6b6b);
}

@keyframes glitch4D {
  0%,
  100% {
    transform: translateX(0) translateY(0) rotateX(0deg) rotateY(0deg);
    background-position: 0% 50%;
    opacity: 1;
  }
  2% {
    transform: translateX(-2px) translateY(1px) rotateX(1deg) rotateY(-1deg);
    background-position: 25% 50%;
  }
  4% {
    transform: translateX(-1px) translateY(-1px) rotateX(-1deg) rotateY(1deg);
    background-position: 50% 50%;
  }
  6% {
    transform: translateX(1px) translateY(2px) rotateX(1deg) rotateY(1deg);
    background-position: 75% 50%;
  }
  8% {
    transform: translateX(-1px) translateY(-2px) rotateX(-1deg) rotateY(-1deg);
    background-position: 100% 50%;
  }
  10% {
    transform: translateX(0) translateY(0) rotateX(0deg) rotateY(0deg);
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Title Effects */
.title-effects {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.sparkle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 1) 0%,
    transparent 70%
  );
  border-radius: 50%;
  animation: sparkleAnim 3s ease-in-out infinite;
}

.sparkle-1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.sparkle-2 {
  top: 70%;
  right: 20%;
  animation-delay: 0.5s;
}

.sparkle-3 {
  top: 40%;
  left: 80%;
  animation-delay: 1s;
}

.sparkle-4 {
  bottom: 30%;
  left: 30%;
  animation-delay: 1.5s;
}

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

/* Morphing Text */
.morphing-text {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
  line-height: 1.6;
  animation: textMorph 8s ease-in-out infinite;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

@keyframes textMorph {
  0%,
  100% {
    transform: translateY(0px);
    opacity: 0.8;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
  }
  25% {
    transform: translateY(-5px);
    opacity: 1;
    text-shadow: 0 0 30px rgba(78, 205, 196, 0.5);
  }
  50% {
    transform: translateY(2px);
    opacity: 0.9;
    text-shadow: 0 0 25px rgba(255, 107, 107, 0.4);
  }
  75% {
    transform: translateY(-3px);
    opacity: 1;
    text-shadow: 0 0 35px rgba(69, 183, 209, 0.6);
  }
}

.glitch {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
  background-size: 400% 400%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 3s ease-in-out infinite;
  position: relative;
}

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

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
  max-width: 90%;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.stat {
  text-align: left;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* Professional CTA Button */
.cta-button {
  background: var(--accent-primary);
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  border: 2px solid transparent;
}

.cta-button:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.cta-button:active {
  transform: translateY(0);
}

.button-text {
  position: relative;
  z-index: 2;
}

.button-icon {
  font-size: 1rem;
  transition: transform 0.3s ease;
}

.cta-button:hover .button-icon {
  transform: translateX(4px);
}

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

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  max-width: 400px;
}

.feature-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all 0.3s ease;
  text-align: center;
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--shadow-dark);
  border-color: var(--accent-primary);
}

.feature-item i {
  font-size: 2rem;
  color: var(--accent-primary);
  margin-bottom: var(--spacing-xs);
}

.feature-item span {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}

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

.particle:nth-child(2) {
  top: 60%;
  left: 80%;
  animation-delay: 0.6s;
}

.particle:nth-child(3) {
  top: 80%;
  left: 30%;
  animation-delay: 1.2s;
}

.particle:nth-child(4) {
  top: 30%;
  right: 20%;
  animation-delay: 1.8s;
}

.particle:nth-child(5) {
  bottom: 20%;
  left: 60%;
  animation-delay: 2.4s;
}

.button-icon {
  position: relative;
  z-index: 3;
  transition: all 0.3s ease;
  animation: iconFloat 2s ease-in-out infinite;
}

@keyframes buttonPulse {
  0%,
  100% {
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 15px 40px rgba(78, 205, 196, 0.4);
    transform: scale(1.02);
  }
}

@keyframes particleMove {
  0% {
    opacity: 0;
    transform: translateY(0px) scale(0);
  }
  50% {
    opacity: 1;
    transform: translateY(-20px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-40px) scale(0);
  }
}

@keyframes iconFloat {
  0%,
  100% {
    transform: translateY(0px) rotateZ(0deg);
  }
  50% {
    transform: translateY(-3px) rotateZ(5deg);
  }
}

.morphing-button:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 20px 50px rgba(255, 107, 107, 0.5);
  border-radius: 25px;
}

.morphing-button:hover .button-bg {
  opacity: 1;
}

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

.morphing-button:hover .button-icon {
  transform: translateY(-3px) rotateZ(15deg) scale(1.2);
}

.cta-button {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  border: none;
  padding: 18px 40px;
  border-radius: 50px;
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 15px;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
  position: relative;
  overflow: hidden;
}

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

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

/* Floating Elements */
.floating-elements-left,
.floating-elements-right {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  pointer-events: none;
}

.floating-elements-left {
  left: 0;
}

.floating-elements-right {
  right: 0;
}

.floating-card {
  position: absolute;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  border-radius: 15px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 600;
  animation: float 6s ease-in-out infinite;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px var(--shadow-dark);
}

.floating-card i {
  font-size: 1.5rem;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.floating-card:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 20px 40px var(--shadow-dark);
}

/* Left side cards */
.floating-elements-left .card-3 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-elements-left .card-4 {
  top: 60%;
  left: 5%;
  animation-delay: 1s;
}

/* Right side cards (GitHub and Spotify) */
.floating-elements-right .card-1 {
  top: 30%;
  right: 10%;
  animation-delay: 2s;
}

.floating-elements-right .card-2 {
  top: 70%;
  right: 15%;
  animation-delay: 3s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

/* Advanced Realistic 3D Cube */
.cube-container {
  perspective: 2000px;
  perspective-origin: 50% 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  height: 400px;
  overflow: visible;
}

/* 3D Lighting System */
.cube-lighting {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.light-source {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.8) 0%,
    transparent 70%
  );
  filter: blur(10px);
  animation: lightMove 8s ease-in-out infinite;
}

.light-1 {
  top: 20%;
  left: 30%;
  background: radial-gradient(
    circle,
    rgba(255, 107, 107, 0.6) 0%,
    transparent 70%
  );
  animation-delay: 0s;
}

.light-2 {
  top: 60%;
  right: 20%;
  background: radial-gradient(
    circle,
    rgba(78, 205, 196, 0.6) 0%,
    transparent 70%
  );
  animation-delay: 2.6s;
}

.light-3 {
  bottom: 30%;
  left: 50%;
  background: radial-gradient(
    circle,
    rgba(102, 126, 234, 0.6) 0%,
    transparent 70%
  );
  animation-delay: 5.2s;
}

/* Realistic Ground Shadow */
.cube-shadow {
  position: absolute;
  bottom: -50px;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 150px;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(20px);
  animation: shadowMove 25s infinite linear;
  z-index: -2;
}

/* 3D Depth Lines for Perspective */
.cube-depth-lines {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  pointer-events: none;
  z-index: -1;
}

.depth-line {
  position: absolute;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), transparent);
  animation: depthLineMove 15s linear infinite;
}

.line-1 {
  top: 0;
  left: 0;
  width: 2px;
  height: 250px;
  transform-origin: bottom;
  animation-delay: 0s;
}

.line-2 {
  top: 0;
  right: 0;
  width: 2px;
  height: 250px;
  transform-origin: bottom;
  animation-delay: 3.75s;
}

.line-3 {
  bottom: 0;
  left: 0;
  width: 2px;
  height: 250px;
  transform-origin: top;
  animation-delay: 7.5s;
}

.line-4 {
  bottom: 0;
  right: 0;
  width: 2px;
  height: 250px;
  transform-origin: top;
  animation-delay: 11.25s;
}

.cube-4d {
  position: relative;
  width: 200px;
  height: 200px;
  transform-style: preserve-3d;
  animation: rotateCube4D 25s infinite linear;
  filter: drop-shadow(0 0 30px rgba(255, 107, 107, 0.3))
    drop-shadow(20px 20px 40px rgba(0, 0, 0, 0.4))
    drop-shadow(-10px -10px 20px rgba(255, 255, 255, 0.1));
  z-index: 2;
}

.inner-cube {
  position: relative;
  width: 200px;
  height: 200px;
  transform-style: preserve-3d;
  animation: innerCubeRotate 15s infinite linear reverse;
}

.cube-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 250px;
  height: 250px;
  background: radial-gradient(
    circle,
    rgba(255, 107, 107, 0.2) 0%,
    rgba(78, 205, 196, 0.2) 50%,
    transparent 70%
  );
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
  z-index: -1;
}

.cube-rings {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
}

.ring {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  animation: ringRotate 10s linear infinite;
}

.ring-1 {
  width: 280px;
  height: 280px;
  top: -140px;
  left: -140px;
  animation-delay: 0s;
}

.ring-2 {
  width: 320px;
  height: 320px;
  top: -160px;
  left: -160px;
  animation-delay: 3.3s;
  animation-direction: reverse;
}

.ring-3 {
  width: 360px;
  height: 360px;
  top: -180px;
  left: -180px;
  animation-delay: 6.6s;
}

.face {
  position: absolute;
  width: 200px;
  height: 200px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.15) 0%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(0, 0, 0, 0.1) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(15px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  overflow: hidden;
  box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.1),
    inset 0 0 50px rgba(0, 0, 0, 0.2), 0 0 20px rgba(255, 107, 107, 0.2);
}

/* Face Reflections for Realistic Look */
.face-reflection {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.3) 0%,
    transparent 30%,
    transparent 70%,
    rgba(255, 255, 255, 0.1) 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* Face Highlights for 3D Effect */
.face-highlight {
  position: absolute;
  top: 10%;
  left: 10%;
  width: 80%;
  height: 80%;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(255, 255, 255, 0.2) 0%,
    transparent 50%
  );
  border-radius: 10px;
  pointer-events: none;
  z-index: 1;
  animation: highlightShimmer 4s ease-in-out infinite;
}

.face-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  font-size: 1.2rem;
  font-weight: 600;
  color: white;
  position: relative;
  z-index: 3;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.face-content i {
  font-size: 3rem;
  margin-bottom: 10px;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: iconPulse 3s ease-in-out infinite;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.3));
}

.face-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.face-particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  animation: faceParticleMove 4s linear infinite;
  box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

.face-particle:nth-child(1) {
  top: 20%;
  left: 20%;
  animation-delay: 0s;
}

.face-particle:nth-child(2) {
  top: 70%;
  right: 20%;
  animation-delay: 1.3s;
}

.face-particle:nth-child(3) {
  bottom: 30%;
  left: 60%;
  animation-delay: 2.6s;
}

.face:hover {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(0, 0, 0, 0.1) 100%
  );
  transform: scale(1.05) translateZ(30px);
  box-shadow: inset 0 0 40px rgba(255, 255, 255, 0.2),
    inset 0 0 60px rgba(0, 0, 0, 0.1), 0 0 40px rgba(255, 107, 107, 0.4),
    0 0 60px rgba(78, 205, 196, 0.3);
}

.face:hover .face-content i {
  transform: scale(1.2) rotateY(360deg);
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.6));
}

.face:hover .face-highlight {
  opacity: 1;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(255, 255, 255, 0.4) 0%,
    transparent 50%
  );
}

.front {
  transform: rotateY(0deg) translateZ(100px);
}
.back {
  transform: rotateY(180deg) translateZ(100px);
}
.right {
  transform: rotateY(90deg) translateZ(100px);
}
.left {
  transform: rotateY(-90deg) translateZ(100px);
}
.top {
  transform: rotateX(90deg) translateZ(100px);
}
.bottom {
  transform: rotateX(-90deg) translateZ(100px);
}

/* Enhanced Realistic Animations */
@keyframes lightMove {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.6;
  }
  25% {
    transform: translate(20px, -10px) scale(1.2);
    opacity: 0.8;
  }
  50% {
    transform: translate(-15px, 15px) scale(0.8);
    opacity: 0.7;
  }
  75% {
    transform: translate(10px, -20px) scale(1.1);
    opacity: 0.9;
  }
}

@keyframes shadowMove {
  0% {
    transform: translateX(-50%) skewX(0deg);
    opacity: 0.3;
  }
  25% {
    transform: translateX(-45%) skewX(5deg);
    opacity: 0.4;
  }
  50% {
    transform: translateX(-55%) skewX(-3deg);
    opacity: 0.35;
  }
  75% {
    transform: translateX(-50%) skewX(2deg);
    opacity: 0.45;
  }
  100% {
    transform: translateX(-50%) skewX(0deg);
    opacity: 0.3;
  }
}

@keyframes depthLineMove {
  0% {
    transform: rotateZ(0deg) scaleY(1);
    opacity: 0.1;
  }
  25% {
    transform: rotateZ(90deg) scaleY(1.2);
    opacity: 0.2;
  }
  50% {
    transform: rotateZ(180deg) scaleY(0.8);
    opacity: 0.15;
  }
  75% {
    transform: rotateZ(270deg) scaleY(1.1);
    opacity: 0.25;
  }
  100% {
    transform: rotateZ(360deg) scaleY(1);
    opacity: 0.1;
  }
}

@keyframes highlightShimmer {
  0%,
  100% {
    opacity: 0.3;
    transform: translateX(-5px);
  }
  50% {
    opacity: 0.6;
    transform: translateX(5px);
  }
}

@keyframes rippleEffect {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

@keyframes rotateCube4D {
  0% {
    transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg);
  }
  25% {
    transform: rotateX(90deg) rotateY(90deg) rotateZ(0deg);
  }
  50% {
    transform: rotateX(180deg) rotateY(180deg) rotateZ(90deg);
  }
  75% {
    transform: rotateX(270deg) rotateY(270deg) rotateZ(180deg);
  }
  100% {
    transform: rotateX(360deg) rotateY(360deg) rotateZ(270deg);
  }
}

@keyframes innerCubeRotate {
  0% {
    transform: rotateX(0deg) rotateY(0deg);
  }
  100% {
    transform: rotateX(360deg) rotateY(360deg);
  }
}

@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.3;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 0.7;
    transform: translate(-50%, -50%) scale(1.2);
  }
}

@keyframes ringRotate {
  0% {
    transform: rotateZ(0deg);
  }
  100% {
    transform: rotateZ(360deg);
  }
}

@keyframes iconPulse {
  0%,
  100% {
    transform: scale(1) rotateY(0deg);
  }
  50% {
    transform: scale(1.1) rotateY(180deg);
  }
}

@keyframes faceParticleMove {
  0% {
    opacity: 0;
    transform: translateY(0px) scale(0);
  }
  50% {
    opacity: 1;
    transform: translateY(-30px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-60px) scale(0);
  }
}

@keyframes rotateCube4D {
  0% {
    transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg);
  }
  25% {
    transform: rotateX(90deg) rotateY(90deg) rotateZ(0deg);
  }
  50% {
    transform: rotateX(180deg) rotateY(180deg) rotateZ(90deg);
  }
  75% {
    transform: rotateX(270deg) rotateY(270deg) rotateZ(180deg);
  }
  100% {
    transform: rotateX(360deg) rotateY(360deg) rotateZ(270deg);
  }
}

@keyframes innerCubeRotate {
  0% {
    transform: rotateX(0deg) rotateY(0deg);
  }
  100% {
    transform: rotateX(360deg) rotateY(360deg);
  }
}

@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.3;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 0.7;
    transform: translate(-50%, -50%) scale(1.2);
  }
}

@keyframes ringRotate {
  0% {
    transform: rotateZ(0deg);
  }
  100% {
    transform: rotateZ(360deg);
  }
}

@keyframes iconPulse {
  0%,
  100% {
    transform: scale(1) rotateY(0deg);
  }
  50% {
    transform: scale(1.1) rotateY(180deg);
  }
}

@keyframes faceParticleMove {
  0% {
    opacity: 0;
    transform: translateY(0px) scale(0);
  }
  50% {
    opacity: 1;
    transform: translateY(-30px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-60px) scale(0);
  }
}

/* Professional Sections */
.categories {
  padding: var(--spacing-xl) 0;
  background: var(--bg-secondary);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.section-title .highlight {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.category-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 6px var(--shadow-light);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--shadow-dark);
  border-color: var(--accent-primary);
}

.card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  position: relative;
  transition: all 0.3s ease;
}

.category-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 15px;
  position: relative;
  z-index: 2;
}

.category-card p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

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

.category-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.card-count {
  background: var(--accent-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.875rem;
  display: inline-block;
}

/* Professional Benefits Section */
.benefits {
  padding: var(--spacing-xl) 0;
}

.filter-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: 0.875rem;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.benefit-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 30px;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    45deg,
    rgba(255, 107, 107, 0.05),
    rgba(78, 205, 196, 0.05)
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.benefit-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

.benefit-logo {
  width: 50px;
  height: 50px;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.benefit-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
}

.benefit-description {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

.benefit-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

.benefit-tag {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

.benefit-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  position: relative;
  z-index: 2;
}

.benefit-value {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: 700;
  text-align: center;
}

.benefit-link-btn {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.benefit-link-btn:hover {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
}

.load-more-container {
  text-align: center;
}

.load-more-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 15px 30px;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.load-more-btn:hover {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255, 107, 107, 0.3);
}

/* Stats Section */
.stats-section {
  padding: 80px 0;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.stat-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

.stat-info .stat-number {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  color: #4ecdc4;
  margin-bottom: 10px;
}

.stat-info .stat-label {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* About Section */
.about {
  padding: 100px 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 30px;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about-text p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 40px;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 15px;
  color: white;
  font-weight: 500;
}

.feature-item i {
  color: #4ecdc4;
  font-size: 1.2rem;
}

.about-visual {
  position: relative;
  height: 400px;
}

.floating-icons {
  position: relative;
  width: 100%;
  height: 100%;
}

.floating-icon {
  position: absolute;
  font-size: 3rem;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: floatIcon 4s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
  top: 10%;
  left: 20%;
  animation-delay: 0s;
}
.floating-icon:nth-child(2) {
  top: 60%;
  left: 10%;
  animation-delay: 0.5s;
}
.floating-icon:nth-child(3) {
  top: 30%;
  right: 20%;
  animation-delay: 1s;
}
.floating-icon:nth-child(4) {
  top: 70%;
  right: 10%;
  animation-delay: 1.5s;
}
.floating-icon:nth-child(5) {
  top: 20%;
  left: 50%;
  animation-delay: 2s;
}
.floating-icon:nth-child(6) {
  bottom: 20%;
  right: 30%;
  animation-delay: 2.5s;
}

@keyframes floatIcon {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-15px) rotate(180deg);
  }
}

/* Footer */
.footer {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  color: white;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
}

.footer-logo i {
  font-size: 2rem;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  transform: translateY(-3px);
}

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

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #4ecdc4;
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.7);
}

.contact-info i {
  color: #4ecdc4;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-content {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  margin: 5% auto;
  padding: 0;
  width: 90%;
  max-width: 600px;
  position: relative;
  animation: modalSlideIn 0.3s ease;
}

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

.close {
  position: absolute;
  right: 20px;
  top: 20px;
  color: white;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  z-index: 1;
}

.close:hover {
  color: #ff6b6b;
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header img {
  width: 60px;
  height: 60px;
  border-radius: 10px;
}

.modal-header h2 {
  color: white;
  font-size: 1.8rem;
  font-weight: 700;
}

.modal-body {
  padding: 30px;
}

.modal-body p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 20px;
}

.modal-benefits h4 {
  color: white;
  margin-bottom: 15px;
  font-weight: 600;
}

.modal-benefits ul {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
  padding-left: 20px;
}

.modal-benefits li {
  margin-bottom: 8px;
}

.modal-actions {
  text-align: center;
}

.modal-btn {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  color: white;
  padding: 15px 30px;
  border-radius: 25px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.modal-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255, 107, 107, 0.3);
}

/* Professional Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-controls {
    gap: var(--spacing-sm);
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--card-border);
  }

  .nav-menu.active {
    left: 0;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-subtitle {
    font-size: 1.125rem;
    max-width: 100%;
  }

  .hero-stats {
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
  }

  .categories-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .benefits-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .section-title {
    font-size: 2rem;
  }

  .filter-buttons {
    gap: var(--spacing-xs);
  }

  .filter-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: clamp(1.75rem, 10vw, 2.5rem);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .stat {
    text-align: center;
  }

  .cta-button {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
  }

  .category-card {
    padding: var(--spacing-md);
  }

  .card-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

/* Professional Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-hover);
}

/* Focus States for Accessibility */
.cta-button:focus,
.filter-btn:focus,
.nav-link:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Professional Loading Animation */
.loading {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.loading.loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Hidden class for filtering */
.hidden {
  display: none !important;
}