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

:root {
  /* Colors */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-bg: #0a0a0a;
  --darker-bg: #050505;
  --card-bg: #111111;
  --border-color: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --accent-color: #667eea;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'Space Grotesk', sans-serif;
  
  /* Spacing */
  --section-padding: 5rem 0;
  --container-padding: 0 2rem;
  
  /* Shadows */
  --shadow-light: 0 4px 20px rgba(102, 126, 234, 0.1);
  --shadow-medium: 0 8px 40px rgba(102, 126, 234, 0.15);
  --shadow-heavy: 0 20px 60px rgba(102, 126, 234, 0.2);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
}

html {
  scroll-behavior: smooth;
}

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

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

/* Gradient Text */
.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.98);
  box-shadow: var(--shadow-medium);
}

.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-family: var(--font-secondary);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.nav-logo i {
  color: var(--accent-color);
  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.active {
  color: var(--text-primary);
}

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

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

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

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: 0.3s;
}

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

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(245, 87, 108, 0.1) 0%, transparent 50%);
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.1), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(102, 126, 234, 0.2), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(245, 87, 108, 0.2), transparent);
  background-repeat: repeat;
  background-size: 150px 150px;
  animation: particles 20s linear infinite;
}

@keyframes particles {
  0% { transform: translateY(0); }
  100% { transform: translateY(-150px); }
}

.hero-content {
  text-align: center;
  max-width: 800px;
  z-index: 2;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(102, 126, 234, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.2);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.hero-badge i {
  color: var(--accent-color);
}

.hero h1 {
  font-family: var(--font-secondary);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.7;
}

.scroll-arrow {
  width: 2px;
  height: 30px;
  background: var(--accent-gradient);
  position: relative;
  animation: scroll-bounce 2s infinite;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -3px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--accent-color);
  border-bottom: 2px solid var(--accent-color);
  transform: rotate(45deg);
}

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

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-family: var(--font-secondary);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Services Section */
.services {
  padding: var(--section-padding);
  background: var(--darker-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--card-bg);
  padding: 3rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(102, 126, 234, 0.3);
}

.service-card.featured {
  border-color: var(--accent-color);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(10, 10, 10, 1) 100%);
}

.featured-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent-gradient);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}

.service-icon i {
  font-size: 2rem;
  color: white;
}

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

.service-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.service-features {
  list-style: none;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.service-features i {
  color: var(--success-color);
  font-size: 0.875rem;
}

/* Pricing Section */
.pricing {
  padding: var(--section-padding);
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.toggle-label {
  font-weight: 500;
  color: var(--text-secondary);
}

.toggle-switch {
  position: relative;
  width: 60px;
  height: 30px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch label {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--border-color);
  border-radius: 15px;
  transition: 0.3s;
}

.toggle-switch label:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 4px;
  background: white;
  border-radius: 50%;
  transition: 0.3s;
}

.toggle-switch input:checked + label {
  background: var(--accent-gradient);
}

.toggle-switch input:checked + label:before {
  transform: translateX(30px);
}

.discount-badge {
  background: var(--warning-color);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 0.5rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
  border-color: rgba(102, 126, 234, 0.5);
}

.pricing-card.featured {
  border-color: var(--accent-color);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, var(--card-bg) 100%);
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.pricing-header h3 {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 1rem;
}

.currency {
  font-size: 1.5rem;
  color: var(--text-secondary);
}

.amount {
  font-family: var(--font-secondary);
  font-size: 3rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.amount.yearly {
  display: none;
}

.period {
  color: var(--text-secondary);
  margin-left: 0.5rem;
}

.pricing-header p {
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.pricing-features i {
  color: var(--success-color);
}

.pricing-btn {
  display: block;
  width: 100%;
  padding: 1rem;
  background: var(--primary-gradient);
  color: white;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all 0.3s ease;
}

.pricing-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* Testimonials */
.testimonials {
  padding: var(--section-padding);
  background: var(--darker-bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.testimonial-content {
  margin-bottom: 2rem;
}

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

.stars i {
  color: var(--warning-color);
}

.testimonial-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
}

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

.author-avatar {
  width: 50px;
  height: 50px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-avatar i {
  color: white;
  font-size: 1.25rem;
}

.author-avatar-image {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent-color);
}

.author-avatar-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.author-info span {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Contact Section */
.contact {
  padding: var(--section-padding);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, transparent 100%);
}

.contact-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-content h2 {
  font-family: var(--font-secondary);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-content p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.contact-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: var(--darker-bg);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  margin-bottom: 2rem;
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

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

.footer-brand p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 3rem;
}

.footer-column h4 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.footer-column ul li {
  margin-bottom: 0.5rem;
}

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

.footer-column ul li a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: rgba(10, 10, 10, 0.98);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-medium);
    padding: 2rem 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .services-grid,
  .pricing-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 2rem;
  }
  
  .contact-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 0 1rem;
    --section-padding: 3rem 0;
  }
  
  .service-card,
  .pricing-card,
  .testimonial-card {
    padding: 2rem 1.5rem;
  }
  
  .nav-container {
    padding: 1rem;
  }
}

/* Pricing Toggle Animation */
body.yearly-active .amount.monthly {
  display: none;
}

body.yearly-active .amount.yearly {
  display: inline;
}

/* Smooth scrolling for all links */
a[href^="#"] {
  scroll-behavior: smooth;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #5a6fd8 0%, #6b52ae 100%);
}

/* Additional utility classes */
.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}

.mt-0 {
  margin-top: 0;
}

/* Performance optimizations */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
}

/* Focus styles for accessibility */
button:focus,
a:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}