@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;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --primary-color: #6366F1;
  --primary-dark: #4F46E5;
  --primary-light: #818CF8;
  --secondary-color: #EC4899;
  --secondary-dark: #DB2777;
  --secondary-light: #F472B6;
  --accent-color: #F59E0B;
  --accent-dark: #D97706;
  --accent-light: #FBBF24;
  --dark-bg: #0F172A;
  --dark-surface: #1E293B;
  --dark-elevated: #334155;
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-tertiary: #94A3B8;
  --success-color: #10B981;
  --warning-color: #F59E0B;
  --error-color: #EF4444;
  --gradient-primary: linear-gradient(135deg, #6366F1 0%, #EC4899 100%);
  --gradient-secondary: linear-gradient(135deg, #EC4899 0%, #F59E0B 100%);
  --gradient-dark: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  --shadow-sm: 0 2px 8px rgba(99, 102, 241, 0.1);
  --shadow-md: 0 4px 16px rgba(99, 102, 241, 0.15);
  --shadow-lg: 0 8px 32px rgba(99, 102, 241, 0.2);
  --shadow-xl: 0 16px 48px rgba(99, 102, 241, 0.25);
  --shadow-glow: 0 0 32px rgba(99, 102, 241, 0.4);
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
}

* {
  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;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
  transition: var(--transition-base);
}

.header.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-lg);
  border-bottom-color: rgba(99, 102, 241, 0.2);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.logo::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--gradient-primary);
  border-radius: 50%;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.6);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

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

.nav-menu a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition-base);
}

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

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

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

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

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  transition: var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

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

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

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.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;
}

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

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

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

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

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

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

.btn-outline:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

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

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

.cookie-banner {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dark-surface);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem 2rem;
  max-width: 600px;
  width: 90%;
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  animation: slideUp 0.5s ease;
  backdrop-filter: blur(16px);
}

@keyframes slideUp {
  from {
    transform: translateX(-50%) translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

.cookie-banner-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cookie-banner-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.cookie-banner-text a {
  color: var(--primary-color);
  text-decoration: underline;
}

.cookie-banner-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-banner-buttons .btn {
  flex: 1;
  min-width: 120px;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
}

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

.form-label {
  display: block;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--dark-surface);
  border: 2px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
  background: var(--dark-elevated);
}

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

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--primary-color);
  cursor: pointer;
  margin-top: 2px;
}

.form-checkbox label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  line-height: 1.5;
}

.form-error {
  color: var(--error-color);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-success {
  color: var(--success-color);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.card {
  background: var(--dark-surface);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(99, 102, 241, 0.3);
}

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

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

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

.card-text {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

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

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

.accordion {
  background: var(--dark-surface);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  margin-bottom: 1rem;
}

.accordion-header {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-base);
  font-weight: 600;
  color: var(--text-primary);
  background: var(--dark-surface);
}

.accordion-header:hover {
  background: var(--dark-elevated);
}

.accordion-header.active {
  background: var(--dark-elevated);
  color: var(--primary-color);
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.accordion-icon {
  font-size: 1.25rem;
  transition: var(--transition-base);
  color: var(--primary-color);
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.accordion-content-inner {
  padding: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(99, 102, 241, 0.2);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.section {
  padding: 5rem 2rem;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.section-subtitle {
  color: var(--primary-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 1.5rem;
}

.section-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

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

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

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 50px;
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-accent {
  background: rgba(236, 72, 153, 0.1);
  border-color: rgba(236, 72, 153, 0.3);
  color: var(--secondary-light);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.3), transparent);
  margin: 3rem 0;
}

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
  opacity: 0.3;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  animation: fadeInUp 1s ease;
}

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

.hero-title {
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.6s both;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: rgba(99, 102, 241, 0.05);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-base);
}

.stat-card:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-5px);
}

.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;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: 0.75rem 0;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li i {
  color: var(--primary-color);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.testimonial-card {
  background: var(--dark-surface);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 6rem;
  color: rgba(99, 102, 241, 0.1);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.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;
}

.testimonial-info h4 {
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.testimonial-info p {
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.pricing-card {
  background: var(--dark-surface);
  border: 2px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--border-radius-xl);
  padding: 2.5rem;
  text-align: center;
  transition: var(--transition-base);
  position: relative;
}

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

.pricing-card.featured::before {
  content: 'POPULAR';
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
}

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

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-8px);
}

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

.pricing-title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  padding: 0;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

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

.cta-section {
  background: var(--gradient-primary);
  border-radius: var(--border-radius-xl);
  padding: 4rem 2rem;
  text-align: center;
  margin: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.cta-section h2 {
  color: white;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.cta-section .btn {
  background: white;
  color: var(--primary-dark);
  position: relative;
  z-index: 1;
}

.cta-section .btn:hover {
  background: var(--text-primary);
  transform: translateY(-2px) scale(1.05);
}

.footer {
  background: var(--dark-surface);
  border-top: 1px solid rgba(99, 102, 241, 0.1);
  padding: 4rem 2rem 2rem;
  margin-top: 5rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

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

.footer-section p,
.footer-section a {
  color: var(--text-secondary);
  line-height: 2;
  display: block;
}

.footer-section a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark-elevated);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--border-radius-md);
  transition: var(--transition-base);
  padding: 0;
}

.footer-social a:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-3px);
  padding-left: 0;
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(99, 102, 241, 0.1);
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

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

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

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

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

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(16px);
    padding: 2rem;
    gap: 1rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-xl);
  }

  .nav-menu a {
    padding: 0.75rem 0;
    width: 100%;
    text-align: center;
  }

  .header-content {
    padding: 1rem;
  }

  .section {
    padding: 3rem 1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .cookie-banner {
    bottom: 1rem;
    width: 95%;
    padding: 1.25rem 1.5rem;
  }

  .cookie-banner-buttons {
    flex-direction: column;
  }

  .cookie-banner-buttons .btn {
    width: 100%;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

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

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-in-left {
  animation: slideInLeft 0.8s ease;
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.slide-in-right {
  animation: slideInRight 0.8s ease;
}

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

.scale-in {
  animation: scaleIn 0.6s ease;
}

@keyframes scaleIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.glow-effect {
  position: relative;
}

.glow-effect::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: inherit;
  filter: blur(20px);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.glow-effect:hover::after {
  opacity: 0.5;
}

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

.text-gradient-secondary {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
}

.image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-slow);
}

.image-wrapper:hover img {
  transform: scale(1.05);
}

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

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

.timeline-item {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  position: relative;
}

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

.timeline-content {
  flex: 1;
  background: var(--dark-surface);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.1);
}

.timeline-marker {
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 4px solid var(--dark-bg);
  border-radius: 50%;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    flex-direction: column;
    padding-left: 3rem;
  }

  .timeline-item:nth-child(even) {
    flex-direction: column;
  }

  .timeline-marker {
    left: 20px;
  }
}