@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=Playfair+Display:wght@600;700;800&display=swap');

:root {
  --primary-color: #6B46C1;
  --primary-light: #9F7AEA;
  --primary-dark: #553C9A;
  --secondary-color: #F59E0B;
  --secondary-light: #FBBF24;
  --secondary-dark: #D97706;
  --accent-color: #EC4899;
  --accent-light: #F472B6;
  --success-color: #10B981;
  --info-color: #3B82F6;
  --warning-color: #F59E0B;
  --danger-color: #EF4444;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-light: #9CA3AF;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-tertiary: #F3F4F6;
  --bg-gradient-start: #6B46C1;
  --bg-gradient-end: #EC4899;
  --border-color: #E5E7EB;
  --border-light: #F3F4F6;
  --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, 0.15), 0 4px 6px -2px rgba(107, 70, 193, 0.08);
  --shadow-xl: 0 20px 25px -5px rgba(107, 70, 193, 0.2), 0 10px 10px -5px rgba(107, 70, 193, 0.08);
  --shadow-2xl: 0 25px 50px -12px rgba(107, 70, 193, 0.25);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s 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;
  font-size: 16px;
}

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

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

h1 { font-size: 3.5rem; }
h2 { font-size: 2.75rem; }
h3 { font-size: 2.25rem; }
h4 { font-size: 1.875rem; }
h5 { font-size: 1.5rem; }
h6 { font-size: 1.25rem; }

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.75rem; }
  h4 { font-size: 1.5rem; }
  h5 { font-size: 1.25rem; }
  h6 { font-size: 1.125rem; }
}

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;
}

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

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

.header-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  transition: var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

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

.nav-menu li a {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-primary);
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition-base);
}

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

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

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

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

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

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

.mobile-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 3px;
  transition: var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

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

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

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-2xl);
    transition: var(--transition-base);
    overflow-y: auto;
  }

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

  .nav-menu li {
    width: 100%;
  }

  .nav-menu li a {
    display: block;
    padding: 0.75rem 0;
    font-size: 1.125rem;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--border-radius-lg);
  transition: var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.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;
  z-index: -1;
}

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

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

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.1);
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--primary-color);
  padding: 0.75rem 1.5rem;
}

.btn-ghost:hover {
  background: var(--bg-tertiary);
  color: var(--primary-dark);
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.0625rem;
}

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

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

.cookie-banner {
  position: fixed;
  bottom: -100%;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.98), rgba(159, 122, 234, 0.98));
  backdrop-filter: blur(12px);
  padding: 1.5rem;
  box-shadow: var(--shadow-2xl);
  z-index: 9999;
  transition: var(--transition-slow);
}

.cookie-banner.show {
  bottom: 0;
  animation: slideUpBounce 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes slideUpBounce {
  0% {
    transform: translateY(100%);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0);
  }
}

.cookie-content {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

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

.cookie-text p {
  color: white;
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
}

.cookie-text a {
  color: var(--secondary-light);
  text-decoration: underline;
  font-weight: 500;
}

.cookie-text a:hover {
  color: white;
}

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

.cookie-buttons .btn {
  background: white;
  color: var(--primary-color);
  border: none;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

.cookie-buttons .btn:hover {
  background: var(--secondary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cookie-buttons .btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.cookie-buttons .btn-outline:hover {
  background: white;
  color: var(--primary-color);
}

@media (max-width: 768px) {
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }

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

  .cookie-buttons .btn {
    flex: 1;
    min-width: 120px;
  }
}

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

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-label.required::after {
  content: '*';
  color: var(--danger-color);
  margin-left: 0.25rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-size: 0.9375rem;
  font-family: 'Poppins', sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-base);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(107, 70, 193, 0.1);
  background: white;
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--primary-light);
}

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

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

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

.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-error {
  display: block;
  color: var(--danger-color);
  font-size: 0.875rem;
  margin-top: 0.375rem;
  font-weight: 500;
}

.form-success {
  display: block;
  color: var(--success-color);
  font-size: 0.875rem;
  margin-top: 0.375rem;
  font-weight: 500;
}

.form-helper {
  display: block;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 0.375rem;
}

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

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-base);
  flex-shrink: 0;
}

.form-check-input:checked {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.form-check-input:focus {
  outline: none;
  box-shadow: 0 0 0 4px rgba(107, 70, 193, 0.1);
}

.form-check-label {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.form-check-label a {
  color: var(--primary-color);
  font-weight: 500;
}

.input-group {
  position: relative;
  display: flex;
  align-items: stretch;
}

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

.input-group .form-input {
  padding-left: 3.25rem;
}

.input-group-append {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  transition: var(--transition-base);
  border: 1px solid var(--border-light);
}

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

.card-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-light);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.card-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 400;
}

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

.card-footer {
  padding-top: 1rem;
  border-top: 2px solid var(--border-light);
}

.card-img-top {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  margin: -2rem -2rem 1.5rem;
}

.card-gradient {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
}

.card-gradient .card-title,
.card-gradient .card-subtitle {
  color: white;
}

.card-gradient .card-header {
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.card-gradient .card-footer {
  border-top-color: rgba(255, 255, 255, 0.2);
}

.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: 640px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(1, 1fr);
  }
}

.accordion {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 2px solid var(--border-light);
}

.accordion-item {
  border-bottom: 2px solid var(--border-light);
}

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

.accordion-header {
  background: var(--bg-secondary);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: var(--transition-base);
  user-select: none;
}

.accordion-header:hover {
  background: var(--bg-tertiary);
}

.accordion-header.active {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
}

.accordion-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.accordion-header.active .accordion-title {
  color: white;
}

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

.accordion-header.active .accordion-icon {
  color: white;
  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: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.8;
  background: var(--bg-primary);
}

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

.loading-spinner-lg {
  width: 80px;
  height: 80px;
  border-width: 6px;
}

.loading-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.loading-dots {
  display: flex;
  gap: 0.5rem;
}

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

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

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

@keyframes dotPulse {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

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

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 6px;
  border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

::-webkit-scrollbar-corner {
  background: var(--bg-secondary);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) var(--bg-secondary);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--border-radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
}

.badge-secondary {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
  color: white;
}

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

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

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

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

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

.hero-section {
  position: relative;
  padding: 8rem 0 6rem;
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.05), rgba(236, 72, 153, 0.05));
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(107, 70, 193, 0.15), transparent);
  border-radius: 50%;
  animation: float 20s infinite ease-in-out;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.15), transparent);
  border-radius: 50%;
  animation: float 15s infinite ease-in-out reverse;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(30px, 30px) scale(1.1);
  }
}

.section {
  padding: 5rem 0;
}

.section-sm {
  padding: 3rem 0;
}

.section-lg {
  padding: 7rem 0;
}

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

.section-subtitle {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.1), rgba(236, 72, 153, 0.1));
  border-radius: var(--border-radius-full);
}

.section-title {
  font-size: 2.75rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.section-bg-gradient {
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.03), rgba(236, 72, 153, 0.03));
}

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

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

.feature-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--border-radius-xl);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
}

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

.course-card {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  background: var(--bg-primary);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-2xl);
}

.course-card-image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
}

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

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

.course-card-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
}

.course-card-content {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-card-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.course-card-meta i {
  color: var(--primary-color);
  margin-right: 0.375rem;
}

.course-card-title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.course-card-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex: 1;
}

.course-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 2px solid var(--border-light);
}

.course-card-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
}

.course-card-price-old {
  font-size: 1.125rem;
  color: var(--text-light);
  text-decoration: line-through;
  margin-left: 0.5rem;
}

.testimonial-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  border: 2px solid var(--border-light);
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: -20px;
  left: 30px;
  font-size: 6rem;
  font-family: Georgia, serif;
  color: var(--primary-color);
  opacity: 0.15;
  line-height: 1;
}

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

.testimonial-content {
  position: relative;
  z-index: 1;
  margin-bottom: 2rem;
}

.testimonial-text {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-style: italic;
}

.testimonial-rating {
  display: flex;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

.testimonial-rating i {
  color: var(--secondary-color);
  font-size: 1.125rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.testimonial-avatar {
  width: 65px;
  height: 65px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--primary-color);
  box-shadow: var(--shadow-md);
}

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

.testimonial-info h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.testimonial-info p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.stats-card {
  text-align: center;
  padding: 2rem;
  background: var(--bg-primary);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  border: 2px solid transparent;
}

.stats-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.05), rgba(236, 72, 153, 0.05));
}

.stats-icon {
  font-size: 3rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.stats-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: 0.75rem;
}

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

.cta-section {
  position: relative;
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.4;
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  color: white;
}

.cta-content h2 {
  color: white;
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.cta-content p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  opacity: 0.95;
}

.footer {
  background: linear-gradient(135deg, #1F2937, #111827);
  color: white;
  padding: 4rem 0 2rem;
}

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

.footer-section h3 {
  color: white;
  font-size: 1.375rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-section h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary-color), transparent);
  border-radius: 2px;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

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

.footer-links li {
  margin-bottom: 0.875rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a::before {
  content: '\203A';
  font-size: 1.5rem;
  transition: var(--transition-base);
}

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

.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;
  color: white;
  font-size: 1.25rem;
  transition: var(--transition-base);
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0;
  list-style: none;
  font-size: 0.9375rem;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

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

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

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

.breadcrumb-item + .breadcrumb-item::before {
  content: '\203A';
  color: var(--text-light);
  font-size: 1.25rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  list-style: none;
  margin: 3rem 0;
}

.pagination-item a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  color: var(--text-primary);
  font-weight: 600;
  transition: var(--transition-base);
}

.pagination-item a:hover {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pagination-item.active a {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-color: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-md);
}

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

.tab-container {
  margin: 3rem 0;
}

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

.tab-link {
  padding: 1rem 2rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  bottom: -2px;
}

.tab-link:hover {
  color: var(--primary-color);
  background: var(--bg-tertiary);
}

.tab-link.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: linear-gradient(180deg, rgba(107, 70, 193, 0.05), transparent);
}

.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;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

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

.modal {
  background: var(--bg-primary);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-2xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: var(--transition-base);
  position: relative;
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

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

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

.modal-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-base);
}

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

.modal-body {
  padding: 2rem;
}

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

.alert {
  padding: 1.25rem 1.5rem;
  border-radius: var(--border-radius-lg);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border-left: 4px solid;
  position: relative;
}

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

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: 0.375rem;
  font-size: 1.0625rem;
}

.alert-message {
  font-size: 0.9375rem;
  line-height: 1.6;
}

.alert-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0.5;
  transition: var(--transition-base);
  padding: 0.25rem;
  line-height: 1;
}

.alert-close:hover {
  opacity: 1;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-left-color: var(--success-color);
  color: #065F46;
}

.alert-success .alert-icon {
  color: var(--success-color);
}

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

.alert-info .alert-icon {
  color: var(--info-color);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-left-color: var(--warning-color);
  color: #92400E;
}

.alert-warning .alert-icon {
  color: var(--warning-color);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border-left-color: var(--danger-color);
  color: #991B1B;
}

.alert-danger .alert-icon {
  color: var(--danger-color);
}

.progress-bar {
  width: 100%;
  height: 12px;
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: var(--border-radius-full);
  transition: width 0.6s ease;
  position: relative;
  overflow: hidden;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 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%);
  }
}

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

.tooltip-text {
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: white;
  padding: 0.625rem 1rem;
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
}

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

.tooltip:hover .tooltip-text {
  opacity: 1;
  visibility: visible;
  bottom: 130%;
}

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-fluid {
  max-width: 100%;
  padding: 0 1.5rem;
}

.container-sm {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-md {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-lg {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 1200px) {
  .container {
    max-width: 100%;
  }
}

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

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

.text-primary {
  color: var(--primary-color);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-muted {
  color: var(--text-light);
}

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

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

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.shadow-xl {
  box-shadow: var(--shadow-xl);
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.pt-1 { padding-top: 0.5rem; }
.pt-2 { padding-top: 1rem; }
.pt-3 { padding-top: 1.5rem; }
.pt-4 { padding-top: 2rem; }
.pt-5 { padding-top: 3rem; }

.pb-1 { padding-bottom: