@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');

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary-color: #ec4899;
  --secondary-dark: #db2777;
  --secondary-light: #f472b6;
  --accent-color: #8b5cf6;
  --accent-dark: #7c3aed;
  --accent-light: #a78bfa;
  --background-color: #0f172a;
  --surface-color: #1e293b;
  --surface-light: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-2: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
  --gradient-3: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  --shadow-sm: 0 2px 4px rgba(99, 102, 241, 0.1);
  --shadow-md: 0 4px 12px rgba(99, 102, 241, 0.15);
  --shadow-lg: 0 8px 24px rgba(99, 102, 241, 0.2);
  --shadow-xl: 0 12px 40px rgba(99, 102, 241, 0.25);
  --glow-sm: 0 0 10px rgba(99, 102, 241, 0.3);
  --glow-md: 0 0 20px rgba(99, 102, 241, 0.4);
  --glow-lg: 0 0 30px rgba(99, 102, 241, 0.5);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--surface-color);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-1);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-2);
}

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

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.header.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-lg);
}

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

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  transition: all 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
  filter: brightness(1.2);
}

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

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: width 0.3s ease;
}

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

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
  color: var(--primary-color);
  transform: scale(1.1);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background: var(--surface-color);
  padding: 2rem;
  transition: right 0.3s ease;
  z-index: 1001;
  box-shadow: var(--shadow-xl);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.mobile-menu-close:hover {
  color: var(--error-color);
  transform: rotate(90deg);
}

.mobile-menu nav {
  margin-top: 3rem;
}

.mobile-menu ul {
  list-style: none;
}

.mobile-menu ul li {
  margin-bottom: 1.5rem;
}

.mobile-menu ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.125rem;
  transition: all 0.3s ease;
  display: block;
  padding: 0.5rem;
  border-radius: 0.5rem;
}

.mobile-menu ul li a:hover {
  color: var(--primary-color);
  background: rgba(99, 102, 241, 0.1);
  transform: translateX(10px);
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.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 ease, height 0.6s ease;
}

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

.btn-primary {
  background: var(--gradient-1);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

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

.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(--shadow-md);
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--primary-color);
}

.btn-ghost:hover {
  background: rgba(99, 102, 241, 0.1);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

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

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--surface-color);
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: var(--glow-sm);
  background: var(--surface-light);
}

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

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2394a3b8'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 1.5rem;
  padding-right: 2.5rem;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 1.25rem;
  height: 1.25rem;
  cursor: pointer;
  accent-color: var(--primary-color);
}

.form-check label {
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.9375rem;
}

.form-error {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: block;
}

.form-success {
  color: var(--success-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: block;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface-color);
  border-top: 2px solid var(--border-color);
  padding: 1.5rem 2rem;
  z-index: 999;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-xl);
}

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

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

.cookie-text {
  flex: 1;
  min-width: 250px;
}

.cookie-text p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

.cookie-text a {
  color: var(--primary-color);
  text-decoration: underline;
  transition: color 0.3s ease;
}

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

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

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

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

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

.card-icon {
  font-size: 2.5rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

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

.card-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.grid-layout-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.grid-layout-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.accordion {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion:hover {
  border-color: var(--primary-color);
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  user-select: none;
  transition: all 0.3s ease;
}

.accordion-header:hover {
  background: rgba(99, 102, 241, 0.05);
}

.accordion-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.accordion-icon {
  font-size: 1.25rem;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion.active .accordion-content {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem;
}

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

.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid rgba(99, 102, 241, 0.1);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spinner 0.8s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.section {
  padding: 5rem 2rem;
  position: relative;
}

.section-bg {
  background: var(--gradient-3);
}

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

.section-subtitle {
  font-size: 1.125rem;
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
    opacity: 0.8;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.4s both;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
}

.badge-primary {
  background: rgba(99, 102, 241, 0.2);
  color: var(--primary-light);
}

.badge-secondary {
  background: rgba(236, 72, 153, 0.2);
  color: var(--secondary-light);
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success-color);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning-color);
}

.badge-error {
  background: rgba(239, 68, 68, 0.2);
  color: var(--error-color);
}

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

.stat-item {
  text-align: center;
  padding: 2rem;
  background: var(--surface-color);
  border-radius: 1rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.divider {
  height: 1px;
  background: var(--gradient-1);
  margin: 3rem 0;
  opacity: 0.2;
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-left: 4px solid;
}

.alert-info {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--primary-color);
  color: var(--primary-light);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--success-color);
  color: var(--success-color);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--warning-color);
  color: var(--warning-color);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--error-color);
  color: var(--error-color);
}

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

.tooltip-text {
  visibility: hidden;
  width: 200px;
  background: var(--surface-color);
  color: var(--text-primary);
  text-align: center;
  border-radius: 0.5rem;
  padding: 0.75rem;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -100px;
  opacity: 0;
  transition: opacity 0.3s ease;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
}

.tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--surface-color) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

.feature-list {
  list-style: none;
  margin: 2rem 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.feature-list li i {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-top: 0.25rem;
}

.feature-list li span {
  color: var(--text-secondary);
  line-height: 1.6;
}

.testimonial {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  position: relative;
}

.testimonial-quote {
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.7;
  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-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--text-primary);
}

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

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

.pricing-card {
  background: var(--surface-color);
  border: 2px solid var(--border-color);
  border-radius: 1rem;
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

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

.pricing-card.featured {
  border-color: var(--primary-color);
  background: linear-gradient(180deg, var(--surface-color) 0%, rgba(99, 102, 241, 0.05) 100%);
}

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

.pricing-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--gradient-1);
  color: var(--text-primary);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.pricing-period {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 2rem;
}

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

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

.pricing-features li i {
  color: var(--primary-color);
  font-size: 1.25rem;
}

.cta-section {
  background: var(--gradient-1);
  border-radius: 1.5rem;
  padding: 4rem 2rem;
  text-align: center;
  margin: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  animation: pulse 3s ease-in-out infinite;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 900;
  color: white;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  background: white;
  color: var(--primary-color);
  padding: 1rem 2.5rem;
  border-radius: 0.5rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.footer {
  background: var(--surface-color);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem 1.5rem;
  margin-top: 5rem;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.footer-section p,
.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: 0.75rem;
  transition: color 0.3s ease;
  font-size: 0.9375rem;
}

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

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

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-light);
  border-radius: 50%;
  color: var(--text-primary);
  transition: all 0.3s ease;
  font-size: 1.25rem;
}

.social-links a:hover {
  background: var(--gradient-1);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

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

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-1);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 998;
}

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

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

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

  .nav-menu {
    display: none;
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

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

  .section {
    padding: 3rem 1rem;
  }

  .grid-layout,
  .grid-layout-2,
  .grid-layout-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-actions {
    width: 100%;
  }

  .cookie-actions button {
    flex: 1;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

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

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

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

  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }

  .card {
    padding: 1.5rem;
  }

  .pricing-card {
    padding: 2rem 1.5rem;
  }

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