@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: #6B46C1;
  --primary-dark: #553399;
  --primary-light: #8B5CF6;
  --secondary-color: #EC4899;
  --secondary-dark: #DB2777;
  --secondary-light: #F472B6;
  --accent-color: #F59E0B;
  --accent-dark: #D97706;
  --accent-light: #FBBF24;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-light: #9CA3AF;
  --background: #FFFFFF;
  --background-alt: #F9FAFB;
  --background-purple: #FAF5FF;
  --background-pink: #FDF2F8;
  --border-color: #E5E7EB;
  --shadow-sm: 0 1px 2px 0 rgba(107, 70, 193, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(107, 70, 193, 0.1), 0 2px 4px -1px rgba(107, 70, 193, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(107, 70, 193, 0.1), 0 4px 6px -2px rgba(107, 70, 193, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(107, 70, 193, 0.1), 0 10px 10px -5px rgba(107, 70, 193, 0.04);
  --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.4);
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --border-radius-xl: 32px;
}

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

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

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

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

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

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
  border-radius: 6px;
  border: 2px solid var(--background-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--primary-dark), var(--secondary-dark));
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  transition: all var(--transition-base);
}

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

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

nav a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  transition: color var(--transition-base);
  padding: 0.5rem 0;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

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

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

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

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

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background: linear-gradient(135deg, var(--background-purple), var(--background-pink));
  box-shadow: var(--shadow-xl);
  padding: 2rem;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

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

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 4rem;
}

.mobile-menu a {
  font-size: 1.25rem;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
}

.mobile-menu a:hover {
  background: rgba(107, 70, 193, 0.1);
  transform: translateX(8px);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  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, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--secondary-dark), var(--secondary-color));
}

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

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

.btn-accent {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn-ghost {
  background: rgba(107, 70, 193, 0.1);
  color: var(--primary-color);
}

.btn-ghost:hover {
  background: rgba(107, 70, 193, 0.2);
  transform: translateY(-2px);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: white;
  padding: 1.5rem;
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

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

.cookie-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-banner p {
  flex: 1;
  margin: 0;
  line-height: 1.6;
}

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

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

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

.cookie-banner .btn-primary:hover {
  background: var(--background-alt);
  transform: translateY(-2px);
}

.cookie-banner .btn-outline {
  border-color: white;
  color: white;
}

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

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

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

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(107, 70, 193, 0.1);
}

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

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

.form-error {
  color: #DC2626;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-success {
  color: #059669;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

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

.form-checkbox input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
  cursor: pointer;
  accent-color: var(--primary-color);
}

.card {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-gradient {
  background: linear-gradient(135deg, var(--background-purple), var(--background-pink));
  border: none;
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-glow);
}

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

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

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

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.accordion {
  background: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

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

.accordion-header {
  width: 100%;
  padding: 1.5rem 2rem;
  background: none;
  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);
}

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

.accordion-header.active {
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.1), rgba(236, 72, 153, 0.1));
  color: var(--primary-color);
}

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

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

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

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

.accordion-body {
  padding: 0 2rem 1.5rem 2rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
}

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

.badge-accent {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--background-alt);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-spinner-sm {
  width: 24px;
  height: 24px;
  border-width: 3px;
}

.loading-spinner-lg {
  width: 64px;
  height: 64px;
  border-width: 5px;
}

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

.gradient-text {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-bg {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.gradient-purple-pink {
  background: linear-gradient(135deg, var(--background-purple), var(--background-pink));
}

.pulse-animation {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}

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

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

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

.hero-section {
  background: linear-gradient(135deg, var(--background-purple), var(--background-pink));
  padding: 6rem 1rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.2), transparent);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.2), transparent);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite reverse;
}

.section-padding {
  padding: 5rem 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.feature-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1.5rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.feature-icon:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-glow);
}

.course-card {
  background: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--border-color);
}

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

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

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

.course-content {
  padding: 1.5rem;
}

.course-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.course-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.course-description {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

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

.course-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.testimonial-card {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 6rem;
  color: var(--primary-color);
  opacity: 0.1;
  font-family: Georgia, serif;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.testimonial-text {
  color: var(--text-secondary);
  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: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-color);
}

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

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

.stats-section {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 4rem 1rem;
  position: relative;
  overflow: hidden;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.stat-label {
  font-size: 1.125rem;
  opacity: 0.9;
}

.cta-section {
  background: linear-gradient(135deg, var(--background-purple), var(--background-pink));
  padding: 5rem 1rem;
  text-align: center;
  position: relative;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.cta-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

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

footer {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: white;
  padding: 3rem 1rem 1.5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto 2rem;
}

.footer-section h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

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

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

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-section a:hover {
  color: white;
  transform: translateX(4px);
}

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

.social-icon {
  width: 40px;
  height: 40px;
  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);
}

.social-icon:hover {
  background: white;
  color: var(--primary-color);
  transform: translateY(-4px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.newsletter-form .form-input {
  flex: 1;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.newsletter-form .form-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.newsletter-form .form-input:focus {
  border-color: white;
  background: rgba(255, 255, 255, 0.15);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

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

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

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 100px;
  transition: width var(--transition-slow);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  background: rgba(107, 70, 193, 0.1);
  color: var(--primary-color);
  transition: all var(--transition-base);
}

.tag:hover {
  background: rgba(107, 70, 193, 0.2);
  transform: scale(1.05);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 2rem 0;
}

.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.alert-success {
  background: #D1FAE5;
  color: #065F46;
  border-left: 4px solid #059669;
}

.alert-error {
  background: #FEE2E2;
  color: #991B1B;
  border-left: 4px solid #DC2626;
}

.alert-warning {
  background: #FEF3C7;
  color: #92400E;
  border-left: 4px solid #F59E0B;
}

.alert-info {
  background: #DBEAFE;
  color: #1E40AF;
  border-left: 4px solid #3B82F6;
}

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

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 0.5rem 0.75rem;
  background: var(--text-primary);
  color: white;
  font-size: 0.875rem;
  border-radius: var(--border-radius);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.tooltip:hover::after {
  opacity: 1;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }

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

  .hero-section {
    padding: 4rem 1rem;
  }

  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
  }

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

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

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }

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

  .newsletter-form {
    flex-direction: column;
  }

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

@media (max-width: 640px) {
  nav ul {
    gap: 1rem;
  }

  nav a {
    font-size: 0.875rem;
  }

  .card {
    padding: 1.5rem;
  }

  .accordion-header {
    padding: 1.25rem 1.5rem;
  }

  .accordion-body {
    padding: 0 1.5rem 1.25rem 1.5rem;
  }
}