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

:root {
  --primary-color: #6C5CE7;
  --primary-dark: #5443C9;
  --primary-light: #A29BFE;
  --secondary-color: #FF6B9D;
  --secondary-dark: #E85587;
  --secondary-light: #FFB3D1;
  --accent-color: #FD79A8;
  --accent-bright: #FDCB6E;
  --success-color: #00D2A0;
  --warning-color: #FF9F43;
  --danger-color: #EE5A6F;
  --dark-color: #2D3436;
  --gray-dark: #636E72;
  --gray-medium: #B2BEC3;
  --gray-light: #DFE6E9;
  --gray-ultralight: #F5F7FA;
  --white: #FFFFFF;
  --text-primary: #2D3436;
  --text-secondary: #636E72;
  --text-light: #B2BEC3;
  --border-color: #E8ECEF;
  --shadow-sm: 0 2px 8px rgba(108, 92, 231, 0.08);
  --shadow-md: 0 4px 16px rgba(108, 92, 231, 0.12);
  --shadow-lg: 0 8px 32px rgba(108, 92, 231, 0.16);
  --shadow-xl: 0 16px 48px rgba(108, 92, 231, 0.2);
  --gradient-primary: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 100%);
  --gradient-secondary: linear-gradient(135deg, #FF6B9D 0%, #FDCB6E 100%);
  --gradient-accent: linear-gradient(135deg, #FD79A8 0%, #FF9F43 100%);
  --gradient-success: linear-gradient(135deg, #00D2A0 0%, #00B894 100%);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text-primary);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark-color);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.015em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

h5 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

h6 {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.95);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: var(--transition-base);
}

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

.logo i {
  font-size: 2rem;
  -webkit-text-fill-color: var(--primary-color);
}

nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-base);
  position: relative;
  display: inline-block;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-links a:hover {
  color: var(--primary-color);
  background: var(--gray-ultralight);
}

.nav-links a.active {
  color: var(--primary-color);
  font-weight: 600;
}

.mobile-toggle {
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--primary-color);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-base);
  display: none;
}

.mobile-toggle:hover {
  background: var(--gray-ultralight);
  transform: scale(1.1);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--white);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-xl) var(--spacing-lg);
  transition: var(--transition-smooth);
  overflow-y: auto;
  z-index: 9999;
}

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

.mobile-menu-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--gray-ultralight);
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-base);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.mobile-nav-links {
  margin-top: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.mobile-nav-links a {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.mobile-nav-links a:hover {
  background: var(--gray-ultralight);
  color: var(--primary-color);
  transform: translateX(8px);
}

.mobile-nav-links a.active {
  background: var(--gradient-primary);
  color: var(--white);
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 9998;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  text-align: center;
  position: relative;
  overflow: hidden;
  font-family: 'Inter', sans-serif;
}

.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: var(--white);
  box-shadow: var(--shadow-sm);
}

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

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

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

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

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

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

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

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

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

.btn-ghost {
  background: transparent;
  color: var(--primary-color);
  border: none;
}

.btn-ghost:hover {
  background: var(--gray-ultralight);
}

.btn-light {
  background: var(--white);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

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

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

.btn-lg {
  padding: 1.125rem 2.25rem;
  font-size: 1.125rem;
}

.btn-block {
  width: 100%;
  display: flex;
}

.btn-rounded {
  border-radius: 50px;
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

form {
  width: 100%;
}

.form-group {
  margin-bottom: var(--spacing-md);
  position: relative;
}

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

.form-label.required::after {
  content: '*';
  color: var(--danger-color);
  margin-left: 4px;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--white);
  color: var(--text-primary);
  transition: var(--transition-base);
  font-family: 'Inter', sans-serif;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1);
}

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

.form-control:disabled {
  background: var(--gray-ultralight);
  cursor: not-allowed;
  opacity: 0.6;
}

.form-control.error {
  border-color: var(--danger-color);
}

.form-control.success {
  border-color: var(--success-color);
}

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

.form-icon {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 1.25rem;
  pointer-events: none;
}

.form-control-icon {
  padding-left: 3rem;
}

.form-text {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

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

.form-floating {
  position: relative;
}

.form-floating .form-control {
  padding: 1.5rem 1rem 0.5rem;
}

.form-floating .form-label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  transition: var(--transition-base);
  pointer-events: none;
  margin: 0;
}

.form-floating .form-control:focus ~ .form-label,
.form-floating .form-control:not(:placeholder-shown) ~ .form-label {
  top: 0.5rem;
  font-size: 0.75rem;
  color: var(--primary-color);
}

.checkbox-wrapper,
.radio-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  margin-bottom: var(--spacing-sm);
}

.checkbox-wrapper input[type="checkbox"],
.radio-wrapper input[type="radio"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--primary-color);
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: '\ea4e';
  font-family: 'remixicon';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
}

select.form-control {
  appearance: none;
  cursor: pointer;
  padding-right: 3rem;
}

.input-group {
  display: flex;
  gap: 0;
}

.input-group .form-control {
  flex: 1;
  border-radius: 0;
}

.input-group .form-control:first-child {
  border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
}

.input-group .form-control:last-child {
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.input-group .btn {
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: 0.875rem 1rem;
  background: var(--gray-ultralight);
  border: 2px solid var(--border-color);
  border-right: none;
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
}

.form-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.form-switch input[type="checkbox"] {
  width: 48px;
  height: 24px;
  appearance: none;
  background: var(--gray-light);
  border-radius: 50px;
  position: relative;
  cursor: pointer;
  transition: var(--transition-base);
}

.form-switch input[type="checkbox"]::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--white);
  top: 2px;
  left: 2px;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.form-switch input[type="checkbox"]:checked {
  background: var(--primary-color);
}

.form-switch input[type="checkbox"]:checked::before {
  left: 26px;
}

.form-range {
  width: 100%;
  height: 6px;
  appearance: none;
  background: var(--gray-light);
  border-radius: 50px;
  outline: none;
  cursor: pointer;
}

.form-range::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--shadow-md);
}

.form-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.form-range::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--shadow-md);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-lg);
  z-index: 10000;
  transform: translateY(100%);
  transition: var(--transition-smooth);
  border-top: 4px solid var(--primary-color);
}

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

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

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

.cookie-text h4 {
  margin-bottom: var(--spacing-xs);
  font-size: 1.25rem;
  color: var(--dark-color);
}

.cookie-text p {
  margin-bottom: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

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

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

.card-header {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--gray-ultralight);
  border-bottom: 1px solid var(--border-color);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--gray-ultralight);
  border-top: 1px solid var(--border-color);
}

.card-img-top {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--dark-color);
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.card-gradient {
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
}

.card-gradient .card-title,
.card-gradient .card-text {
  color: var(--white);
}

.card-horizontal {
  display: flex;
  flex-direction: row;
}

.card-horizontal .card-img-top {
  width: 40%;
  height: auto;
  min-height: 100%;
}

.card-horizontal .card-body {
  flex: 1;
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.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);
}

.accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: var(--white);
}

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

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

.accordion-header {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--white);
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-color);
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

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

.accordion-header.active {
  background: var(--gray-ultralight);
  color: var(--primary-color);
}

.accordion-icon {
  font-size: 1.5rem;
  transition: var(--transition-base);
  flex-shrink: 0;
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.tabs {
  width: 100%;
}

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

.tab-button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: transparent;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
}

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

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

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

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

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease-in-out;
}

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

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

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

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

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

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

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--gray-ultralight);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-primary);
  transition: var(--transition-base);
}

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

.modal-header {
  margin-bottom: var(--spacing-lg);
  padding-right: var(--spacing-xl);
}

.modal-title {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-xs);
}

.modal-body {
  margin-bottom: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  background: var(--gray-light);
  color: var(--text-primary);
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.badge-secondary {
  background: var(--secondary-light);
  color: var(--secondary-dark);
}

.badge-success {
  background: rgba(0, 210, 160, 0.2);
  color: var(--success-color);
}

.badge-warning {
  background: rgba(255, 159, 67, 0.2);
  color: var(--warning-color);
}

.badge-danger {
  background: rgba(238, 90, 111, 0.2);
  color: var(--danger-color);
}

.badge-gradient {
  background: var(--gradient-primary);
  color: var(--white);
}

.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  border-left: 4px solid;
}

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

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 1rem;
}

.alert-message {
  margin: 0;
  font-size: 0.95rem;
}

.alert-success {
  background: rgba(0, 210, 160, 0.1);
  border-color: var(--success-color);
  color: var(--success-color);
}

.alert-warning {
  background: rgba(255, 159, 67, 0.1);
  border-color: var(--warning-color);
  color: var(--warning-color);
}

.alert-danger {
  background: rgba(238, 90, 111, 0.1);
  border-color: var(--danger-color);
  color: var(--danger-color);
}

.alert-info {
  background: rgba(108, 92, 231, 0.1);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

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

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

.tooltip .tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--dark-color);
}

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

.progress {
  width: 100%;
  height: 12px;
  background: var(--gray-light);
  border-radius: 50px;
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 50px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--white);
}

.progress-bar-striped {
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.15) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.15) 75%,
    transparent 75%,
    transparent
  );
  background-size: 1rem 1rem;
}

.progress-bar-animated {
  animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
  0% {
    background-position: 1rem 0;
  }
  100% {
    background-position: 0 0;
  }
}

.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-light);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 5px;
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

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

.loading-content {
  text-align: center;
}

.loading-content .spinner {
  margin: 0 auto var(--spacing-md);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) 0;
  list-style: none;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.breadcrumb-item a {
  color: var(--primary-color);
  transition: var(--transition-base);
}

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

.breadcrumb-item.active {
  color: var(--text-primary);
  font-weight: 600;
}

.breadcrumb-item:not(:last-child)::after {
  content: '\ea6e';
  font-family: 'remixicon';
  margin-left: var(--spacing-xs);
  color: var(--text-light);
}

.pagination {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  padding: var(--spacing-lg) 0;
}

.pagination-item {
  min-width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  background: var(--white);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  padding: 0 var(--spacing-sm);
}

.pagination-item:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.pagination-item.active {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: transparent;
}

.pagination-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.divider {
  width: 100%;
  height: 1px;
  background: var(--border-color);
  margin: var(--spacing-lg) 0;
}

.divider-gradient {
  background: var(--gradient-primary);
  height: 2px;
}

.divider-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  color: var(--text-secondary);
  font-weight: 600;
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.25rem;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: 0.875rem;
}

.avatar-lg {
  width: 64px;
  height: 64px;
  font-size: 1.75rem;
}

.avatar-xl {
  width: 96px;
  height: 96px;
  font-size: 2.5rem;
}

.avatar-group {
  display: flex;
  align-items: center;
}

.avatar-group .avatar {
  margin-left: -12px;
  border: 3px solid var(--white);
  box-shadow: var(--shadow-sm);
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.feature-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(45deg);
  transition: var(--transition-smooth);
}

.feature-icon:hover::before {
  top: 100%;
  right: 100%;
}

.section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.section-sm {
  padding: var(--spacing-xl) 0;
}

.section-lg {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.section-header .badge {
  margin-bottom: var(--spacing-md);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.section-bg {
  background: var(--gray-ultralight);
}

.section-gradient {
  background: var(--gradient-primary);
  color: var(--white);
}

.section-gradient h2,
.section-gradient h3,
.section-gradient h4,
.section-gradient p {
  color: var(--white);
}

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

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: var(--spacing-lg);
  font-size: 6rem;
  color: var(--primary-light);
  font-family: Georgia, serif;
  line-height: 1;
  opacity: 0.3;
}

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

.testimonial-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial-author-info h5 {
  margin-bottom: 4px;
  color: var(--dark-color);
}

.testimonial-author-info p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-light);
}

.stats-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.stats-number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.stats-label {
  font-size: 1.125rem;
  color: var(--text-secondary);
  font-weight: 600;
}

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

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

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

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

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

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

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

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--dark-color);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: var(--spacing-md);
}

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

.pricing-amount {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
}

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

.pricing-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
}

.pricing-features li i {
  color: var(--success-color);
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-features li.unavailable {
  opacity: 0.5;
}

.pricing-features li.unavailable i {
  color: var(--text-light);
}

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

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

.course-image {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.course-badge {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  padding: 0.5rem 1rem;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 2;
}

.course-body {
  padding: var(--spacing-lg);
}

.course-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

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

.course-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--dark-color);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.course-instructor {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

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

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

.course-price-old {
  font-size: 1rem;
  color: var(--text-light);
  text-decoration: line-through;
  margin-left: var(--spacing-xs);
}

.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
  border-radius: 50px;
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -43px;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-color);
  border: 4px solid var(--white);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.timeline-content {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.timeline-content:hover {
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}

.timeline-date {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--dark-color);
}

.timeline-description {
  color: var(--text-secondary);
  margin: 0;
}

.category-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition-base);
  border: 2px solid transparent;
}

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

.category-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  border-