@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --primary-color: #00D9FF;
  --primary-dark: #00B8DB;
  --primary-light: #33E0FF;
  --secondary-color: #FF3D71;
  --secondary-dark: #E6154F;
  --secondary-light: #FF6B94;
  --accent-color: #FFB800;
  --accent-dark: #E6A500;
  --dark-bg: #0A0E27;
  --darker-bg: #060920;
  --light-bg: #131835;
  --lighter-bg: #1C2340;
  --text-primary: #FFFFFF;
  --text-secondary: #B8C5D6;
  --text-muted: #7A8BA3;
  --border-color: #2A3350;
  --border-light: #3A4560;
  --success-color: #00E676;
  --warning-color: #FFB800;
  --error-color: #FF3D71;
  --gradient-primary: linear-gradient(135deg, #00D9FF 0%, #7B2FF7 100%);
  --gradient-secondary: linear-gradient(135deg, #FF3D71 0%, #FFB800 100%);
  --gradient-dark: linear-gradient(135deg, #1C2340 0%, #0A0E27 100%);
  --shadow-sm: 0 2px 8px rgba(0, 217, 255, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 217, 255, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 217, 255, 0.2);
  --shadow-xl: 0 16px 48px rgba(0, 217, 255, 0.25);
  --glow-primary: 0 0 20px rgba(0, 217, 255, 0.4);
  --glow-secondary: 0 0 20px rgba(255, 61, 113, 0.4);
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(255, 61, 113, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

header.scrolled {
  background: rgba(10, 14, 39, 0.95);
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--primary-color);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo::before {
  content: '⚡';
  font-size: 1.5rem;
  filter: drop-shadow(var(--glow-primary));
  animation: pulse-glow 2s ease-in-out infinite;
}

.logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(var(--glow-primary));
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

nav a:hover {
  color: var(--primary-color);
}

nav a:hover::after {
  width: 100%;
}

nav a.active {
  color: var(--primary-color);
}

nav a.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
  transition: all var(--transition-base);
}

.menu-toggle span {
  width: 28px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  transition: all var(--transition-base);
  box-shadow: var(--glow-primary);
}

.menu-toggle:hover span {
  background: var(--primary-light);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.hero-section {
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 61, 113, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 15s ease-in-out infinite reverse;
}

.section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

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

.card:hover::before {
  opacity: 0.05;
}

.card-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 12px;
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
  box-shadow: var(--glow-primary);
  transition: all var(--transition-base);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.6);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.card-text {
  color: var(--text-secondary);
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 12px;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-family: inherit;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--glow-primary);
}

.btn-accent {
  background: var(--gradient-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--glow-secondary);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

.btn-small {
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
}

form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: var(--light-bg);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: var(--glow-primary);
  background: var(--lighter-bg);
}

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

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

.form-checkbox,
.form-radio {
  width: 20px;
  height: 20px;
  margin-right: 0.5rem;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.form-error {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.form-group.error .form-error {
  display: block;
}

.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select {
  border-color: var(--error-color);
}

.accordion {
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  background: var(--light-bg);
}

.accordion-item {
  border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  transition: all var(--transition-base);
  font-family: inherit;
}

.accordion-header:hover {
  background: var(--lighter-bg);
  color: var(--primary-color);
}

.accordion-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: transform var(--transition-base);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
}

.accordion-item.active .accordion-content {
  max-height: 1000px;
  padding: 0 1.5rem 1.5rem;
}

.accordion-text {
  color: var(--text-secondary);
  line-height: 1.7;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(19, 24, 53, 0.98);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
  z-index: 9999;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.5);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cookie-text a {
  color: var(--primary-color);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.cookie-text a:hover {
  border-bottom-color: var(--primary-color);
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

.loading-spinner {
  display: inline-block;
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  box-shadow: var(--glow-primary);
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 39, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(10px);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-base);
}

.tech-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.tech-icon {
  font-size: 2.5rem;
  filter: drop-shadow(var(--glow-primary));
}

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

.feature-card {
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transition: transform var(--transition-base);
}

.feature-card:hover::before {
  transform: scaleY(1);
}

.feature-card:hover {
  transform: translateX(8px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.feature-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  opacity: 0.3;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stat-card:hover {
  transform: scale(1.05);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.stat-card:hover::before {
  opacity: 0.1;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  position: relative;
  z-index: 1;
}

.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-content {
  flex: 1;
  padding: 2rem;
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  margin: 0 2rem;
  transition: all var(--transition-base);
}

.timeline-content:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
  transform: scale(1.02);
}

.timeline-marker {
  position: absolute;
  left: 50%;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 4px solid var(--dark-bg);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: var(--glow-primary);
  z-index: 2;
}

.pricing-card {
  background: var(--light-bg);
  border: 2px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.pricing-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-xl);
}

.pricing-card:hover::before {
  opacity: 0.05;
}

.pricing-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--gradient-primary);
  color: var(--text-primary);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.pricing-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.pricing-period {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  text-align: left;
  position: relative;
  z-index: 1;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.25rem;
}

.testimonial-card {
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 5rem;
  color: var(--primary-color);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

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

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: var(--glow-primary);
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.testimonial-role {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.cta-section {
  padding: 80px 0;
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: pulse-glow 3s ease-in-out infinite;
}

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-text {
  color: var(--text-secondary);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

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

footer {
  background: var(--darker-bg);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  position: relative;
}

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

.footer-column h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--primary-color);
  font-size: 1.25rem;
  text-decoration: none;
  transition: all var(--transition-base);
}

.social-icon:hover {
  background: var(--primary-color);
  color: var(--text-primary);
  transform: translateY(-3px);
  box-shadow: var(--glow-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--text-primary);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
  box-shadow: var(--shadow-lg);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl), var(--glow-primary);
}

::-webkit-scrollbar {
  width: 12px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 6px;
  border: 2px solid var(--darker-bg);
}

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

::selection {
  background: var(--primary-color);
  color: var(--text-primary);
}

.badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  color: var(--primary-color);
}

.badge-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  border: none;
  box-shadow: var(--glow-primary);
}

.badge-secondary {
  background: var(--gradient-secondary);
  color: var(--text-primary);
  border: none;
}

.alert {
  padding: 1rem 1.5rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-left: 4px solid;
}

.alert-success {
  background: rgba(0, 230, 118, 0.1);
  border-color: var(--success-color);
  color: var(--success-color);
}

.alert-warning {
  background: rgba(255, 184, 0, 0.1);
  border-color: var(--warning-color);
  color: var(--warning-color);
}

.alert-error {
  background: rgba(255, 61, 113, 0.1);
  border-color: var(--error-color);
  color: var(--error-color);
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

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

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-primary);
  transform: rotate(90deg);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--light-bg);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 10px;
  transition: width var(--transition-slow);
  box-shadow: var(--glow-primary);
}

.tab-container {
  margin: 2rem 0;
}

.tab-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.tab-button {
  padding: 1rem 2rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  border-bottom: 3px solid transparent;
  font-family: inherit;
  font-size: 1rem;
  position: relative;
}

.tab-button:hover {
  color: var(--primary-color);
}

.tab-button.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  display: none;
  animation: fadeIn var(--transition-base);
}

.tab-content.active {
  display: block;
}

.tooltip {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 0.5rem 1rem;
  background: var(--darker-bg);
  color: var(--text-primary);
  border: 1px solid var(--primary-color);
  border-radius: 8px;
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  pointer-events: none;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

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

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

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

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.animate-slide-in-up {
  animation: slideInUp 0.6s ease-out;
}

@media (max-width: 1024px) {
  .section-title {
    font-size: 2rem;
  }

  .section {
    padding: 60px 0;
  }

  .hero-section {
    padding: 100px 0 60px;
  }

  .cta-title {
    font-size: 2.25rem;
  }

  .timeline::before {
    left: 0;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: row;
  }

  .timeline-marker {
    left: 0;
    transform: translateX(-50%);
  }

  .timeline-content {
    margin-left: 2rem;
    margin-right: 0;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(20px);
    padding: 6rem 2rem 2rem;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 999;
  }

  nav.active {
    transform: translateX(0);
  }

  nav ul {
    flex-direction: column;
    gap: 0;
    align-items: stretch;
  }

  nav li {
    border-bottom: 1px solid var(--border-color);
  }

  nav a {
    display: block;
    padding: 1.5rem 1rem;
    font-size: 1.125rem;
  }

  nav a::after {
    display: none;
  }

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

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

  .hero-section {
    padding: 80px 0 40px;
  }

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

  .cta-text {
    font-size: 1rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cookie-content {
    flex-direction: column;
    text-align: center;
  }

  .cookie-buttons {
    width: 100%;
  }

  .cookie-buttons .btn {
    flex: 1;
  }

  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
    font-size: 1.25rem;
  }

  .pricing-card.featured {
    transform: scale(1);
  }

  .tab-button {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .modal-content {
    padding: 2rem;
  }

  .header-container {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .hero-section {
    padding: 60px 0 30px;
  }

  .card,
  .feature-card,
  .testimonial-card {
    padding: 1.5rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }

  .btn-large {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }

  .cta-title {
    font-size: 1.5rem;
  }

  .pricing-price {
    font-size: 2.5rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .logo {
    font-size: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  header,
  footer,
  .cookie-banner,
  .back-to-top,
  .menu-toggle,
  .btn {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .card,
  .feature-card {
    page-break-inside: avoid;
    border: 1px solid #ddd;
  }
}