/* E-Learning Management Styles */

:root {
  --primary-color: #c71585;
  --secondary-color: #e84393;
  --accent-color: #fd79a8;
  --text-color: #333;
  --light-text: #666;
  --white-color: #ffffff;
  --light-bg: #f8f9fa;
  --border-color: #e9ecef;
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 5px 20px rgba(0, 0, 0, 0.15);
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

/* Hero Section */
#hero {
  background: linear-gradient(135deg, #c71585 0%, #e84393 50%, #fd79a8 100%);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white-color);
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

#hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

#hero h2 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 2rem;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.btn-about {
  background: var(--white-color);
  color: var(--primary-color);
  padding: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  z-index: 1;
  border: 2px solid transparent;
}

.btn-about:hover {
  background: transparent;
  color: var(--white-color);
  border-color: var(--white-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

/* Courses Section */
.courses {
  padding: 80px 0;
  background: var(--light-bg);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  color: var(--text-color);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.section-title p {
  color: var(--light-text);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Course Cards */
.course-card {
  background: var(--white-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  border: 1px solid var(--border-color);
}

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

.course-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  padding: 2rem;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.course-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.course-icon i {
  font-size: 1.8rem;
  color: var(--white-color);
}

.course-badge {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-color);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.course-badge:not(.active) {
  background: #ffc107;
  color: #333;
}

.course-content {
  padding: 2rem;
}

.course-content h3 {
  color: var(--text-color);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.course-content > p {
  color: var(--light-text);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.course-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--light-bg);
  border-radius: 8px;
}

.course-stats span {
  display: flex;
  align-items: center;
  color: var(--light-text);
  font-size: 0.9rem;
}

.course-stats i {
  margin-right: 0.5rem;
  color: var(--primary-color);
}

/* Course Materials */
.course-materials {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.course-materials h4 {
  color: var(--text-color);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.course-materials ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.course-materials li {
  margin-bottom: 0.5rem;
}

.course-materials a {
  display: block;
  padding: 0.75rem 1rem;
  background: var(--light-bg);
  color: var(--text-color);
  text-decoration: none;
  border-radius: 6px;
  transition: var(--transition);
  border-left: 3px solid transparent;
  font-size: 0.9rem;
}

.course-materials a:hover {
  background: var(--primary-color);
  color: var(--white-color);
  border-left-color: var(--secondary-color);
  transform: translateX(5px);
}

.course-materials a.disabled {
  color: var(--light-text);
  cursor: not-allowed;
  opacity: 0.6;
}

.course-materials a.disabled:hover {
  background: var(--light-bg);
  color: var(--light-text);
  transform: none;
  border-left-color: transparent;
}

/* Features Section */
.features {
  padding: 80px 0;
  background: var(--white-color);
}

.feature-card {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  height: 100%;
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  transition: var(--transition);
}

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

.feature-icon i {
  font-size: 2rem;
  color: var(--white-color);
}

.feature-card h4 {
  color: var(--text-color);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--light-text);
  line-height: 1.6;
  margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  #hero h1 {
    font-size: 2.5rem;
  }
  
  #hero h2 {
    font-size: 1.2rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .course-header {
    padding: 1.5rem;
  }
  
  .course-content {
    padding: 1.5rem;
  }
  
  .course-stats {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  #hero h1 {
    font-size: 2rem;
  }
  
  .course-card {
    margin-bottom: 2rem;
  }
  
  .feature-card {
    margin-bottom: 2rem;
  }
}

/* Material Content Styles */
.material-content {
    padding: 80px 0;
    background: #f8f9fa;
    min-height: 80vh;
}

.material-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 3rem;
    margin-bottom: 2rem;
}

.material-header {
    border-bottom: 2px solid #c71585;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.material-title {
    color: #c71585;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.material-subtitle {
    color: #666;
    font-size: 1.1rem;
}

.material-section {
    margin-bottom: 2rem;
}

.material-section h3 {
    color: #333;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 4px solid #c71585;
}

.material-section p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.material-section ul {
    color: #666;
    line-height: 1.8;
    padding-left: 2rem;
}

.material-section li {
    margin-bottom: 0.5rem;
}

.back-btn {
    background: #c71585;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.back-btn:hover {
    background: #e84393;
    color: white;
    transform: translateY(-2px);
}

.back-btn i {
    margin-right: 0.5rem;
}

/* Animation Classes */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
}

[data-aos].aos-animate {
  opacity: 1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}