@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=Poppins:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --primary-color: #7C3AED;
  --primary-dark: #5B21B6;
  --primary-light: #A78BFA;
  --secondary-color: #F59E0B;
  --secondary-dark: #D97706;
  --secondary-light: #FCD34D;
  --accent-color: #EC4899;
  --accent-dark: #DB2777;
  --accent-light: #F9A8D4;
  --background-color: #FAFBFC;
  --surface-color: #FFFFFF;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-light: #9CA3AF;
  --border-color: #E5E7EB;
  --success-color: #10B981;
  --error-color: #EF4444;
  --warning-color: #F59E0B;
  --info-color: #3B82F6;
  --gradient-primary: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
  --gradient-secondary: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
  --gradient-accent: linear-gradient(135deg, #3B82F6 0%, #7C3AED 100%);
  --shadow-sm: 0 1px 2px 0 rgba(124, 58, 237, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(124, 58, 237, 0.1), 0 2px 4px -1px rgba(124, 58, 237, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(124, 58, 237, 0.1), 0 4px 6px -2px rgba(124, 58, 237, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(124, 58, 237, 0.1), 0 10px 10px -5px rgba(124, 58, 237, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(124, 58, 237, 0.25);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-2xl: 1.5rem;
  --border-radius-full: 9999px;
}

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

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

body {
  font-family: 'Poppins', -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;
}

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

h1 {
  font-size: 3.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 2.75rem;
}

h3 {
  font-size: 2rem;
}

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

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  transition: all var(--transition-base);
}

header.scrolled {
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 0.98);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all var(--transition-base);
  letter-spacing: -0.5px;
}

.logo:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

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

nav ul li a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
  transition: all var(--transition-base);
}

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

nav ul li a:hover::after,
nav ul li a.active::after {
  width: 100%;
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--primary-color);
}

.mobile-menu-toggle {
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--primary-color);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

.mobile-menu-toggle:hover {
  background: var(--primary-light);
  color: var(--surface-color);
  transform: scale(1.05);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: var(--surface-color);
  box-shadow: var(--shadow-2xl);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 2000;
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

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

.mobile-menu nav ul {
  flex-direction: column;
  gap: 0;
  padding: 1.5rem;
}

.mobile-menu nav ul li {
  width: 100%;
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu nav ul li:last-child {
  border-bottom: none;
}

.mobile-menu nav ul li a {
  display: block;
  padding: 1rem 0;
  font-size: 1.1rem;
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 1500;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  position: relative;
  overflow: hidden;
  font-family: 'Poppins', sans-serif;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  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: var(--surface-color);
  box-shadow: var(--shadow-md);
}

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

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

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

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: none;
}

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

.btn-outline::before {
  background: rgba(124, 58, 237, 0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--primary-color);
  box-shadow: none;
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  background: var(--background-color);
  transform: translateX(5px);
}

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

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn:disabled:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

form {
  width: 100%;
  max-width: 600px;
}

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

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

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="url"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
  font-family: 'Poppins', sans-serif;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--surface-color);
  color: var(--text-primary);
  transition: all var(--transition-base);
  outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
input[type="date"]:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
  transform: translateY(-2px);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="password"]::placeholder,
input[type="tel"]::placeholder,
input[type="number"]::placeholder,
input[type="url"]::placeholder,
textarea::placeholder {
  color: var(--text-light);
}

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

input[type="checkbox"],
input[type="radio"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.75rem;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.checkbox-group,
.radio-group {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.checkbox-group label,
.radio-group label {
  margin-bottom: 0;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.form-error {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: none;
}

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

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

.form-success {
  color: var(--success-color);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.98) 0%, rgba(236, 72, 153, 0.98) 100%);
  color: var(--surface-color);
  padding: 1.5rem;
  box-shadow: var(--shadow-2xl);
  transform: translateY(100%);
  transition: transform var(--transition-base);
  z-index: 9999;
  backdrop-filter: blur(10px);
}

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

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

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

.cookie-banner-text h4 {
  color: var(--surface-color);
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.cookie-banner-text p {
  font-size: 0.95rem;
  opacity: 0.95;
  line-height: 1.5;
}

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

.cookie-banner .btn {
  white-space: nowrap;
}

.cookie-banner .btn-primary {
  background: var(--surface-color);
  color: var(--primary-color);
}

.cookie-banner .btn-primary:hover {
  background: var(--background-color);
}

.cookie-banner .btn-ghost {
  color: var(--surface-color);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-banner .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
}

.card {
  background: var(--surface-color);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  transition: all var(--transition-base);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

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

.card-header {
  margin-bottom: 1.5rem;
}

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

.card-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.card-body {
  margin-bottom: 1.5rem;
}

.card-footer {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

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

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

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

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

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

@media (max-width: 768px) {
  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 {
    grid-template-columns: repeat(1, 1fr);
  }
}

.accordion {
  background: var(--surface-color);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

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

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

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

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

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

.accordion-item.active .accordion-header {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
  color: var(--primary-color);
}

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

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

.accordion-item.active .accordion-content {
  max-height: 1000px;
}

.accordion-body {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-dots {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
}

.loading-dots span {
  width: 12px;
  height: 12px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) {
  animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes bounce {
  0%, 80%, 100% {
    transform: scale(0);
  }
  40% {
    transform: scale(1);
  }
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  border: 2px solid var(--background-color);
}

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--border-radius-full);
  line-height: 1;
}

.badge-primary {
  background: rgba(124, 58, 237, 0.1);
  color: var(--primary-color);
}

.badge-secondary {
  background: rgba(245, 158, 11, 0.1);
  color: var(--secondary-color);
}

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

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

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

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

.tooltip-text {
  visibility: hidden;
  background: var(--text-primary);
  color: var(--surface-color);
  text-align: center;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-md);
  position: absolute;
  z-index: 1000;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  white-space: nowrap;
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
}

.tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--text-primary);
}

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

.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-lg);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border-left: 4px solid;
  box-shadow: var(--shadow-sm);
}

.alert i {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-left-color: var(--success-color);
  color: #047857;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border-left-color: var(--error-color);
  color: #B91C1C;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-left-color: var(--warning-color);
  color: #B45309;
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border-left-color: var(--info-color);
  color: #1E40AF;
}

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

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  transition: width var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.modal {
  background: var(--surface-color);
  border-radius: var(--border-radius-2xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

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

.modal-header {
  padding: 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.5rem;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

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

.modal-body {
  padding: 2rem;
}

.modal-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

.tabs {
  width: 100%;
}

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

.tab-button {
  padding: 1rem 2rem;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-base);
  font-family: 'Poppins', sans-serif;
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

.tab-button::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.tab-button:hover {
  color: var(--primary-color);
  background: rgba(124, 58, 237, 0.05);
}

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

.tab-button.active::after {
  transform: scaleX(1);
}

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

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

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

.hero-section {
  padding: 8rem 0 6rem;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.03) 0%, rgba(236, 72, 153, 0.03) 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s infinite;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 15s infinite reverse;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-30px) translateX(30px);
  }
}

.feature-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius-xl);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--surface-color);
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-subtitle {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.75rem;
  margin-bottom: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

.stats-card {
  text-align: center;
  padding: 2.5rem 2rem;
}

.stats-number {
  font-size: 3.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.75rem;
  font-family: 'Space Grotesk', sans-serif;
}

.stats-label {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.testimonial-card {
  position: relative;
  padding: 2.5rem;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 5rem;
  color: var(--primary-light);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

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

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--surface-color);
  font-size: 1.5rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.testimonial-info h4 {
  color: var(--text-primary);
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.testimonial-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pricing-card {
  text-align: center;
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card.featured {
  transform: scale(1.05);
  box-shadow: var(--shadow-2xl);
}

.pricing-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-secondary);
  color: var(--surface-color);
  padding: 0.5rem 1.5rem;
  border-radius: var(--border-radius-full);
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
}

.pricing-plan {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.pricing-price {
  font-size: 3.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
  font-family: 'Space Grotesk', sans-serif;
}

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

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

.pricing-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li i {
  color: var(--success-color);
  font-size: 1.25rem;
  flex-shrink: 0;
}

footer {
  background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
  color: var(--surface-color);
  padding: 4rem 0 2rem;
  margin-top: 6rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

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

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

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

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

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

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

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-social a {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

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

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

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-2xl);
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.5rem;
  }

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

  .hero-section {
    padding: 5rem 0 4rem;
  }

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

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

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

  .cookie-banner-actions {
    width: 100%;
    flex-direction: column;
  }

  .cookie-banner .btn {
    width: 100%;
    justify-content: center;
  }

  nav ul {
    gap: 1.5rem;
  }

  .tab-list {
    overflow-x: auto;
  }

  .tab-button {
    flex-shrink: 0;
  }
}

@media (max-width: 1024px) {
  .desktop-nav {
    display: none;
  }
}

@media (min-width: 1025px) {
  .mobile-menu-toggle {
    display: none;
  }
}

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

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

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

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--border-radius-md);
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

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

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

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

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

.course-card {
  overflow: hidden;
}

.course-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.course-card:hover .course-image {
  transform: scale(1.1);
}

.course-meta {
  display: flex;
  gap: 1rem;
  margin: 1rem 0;
  flex-wrap: wrap;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.course-meta-item i {
  color: var(--primary-color);
}

.rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rating i {
  color: var(--secondary-color);
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding: 1rem 0;
}

.breadcrumb a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.breadcrumb i {
  color: var(--text-light);
  font-size: 0.75rem;
}

.breadcrumb span {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}