:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --background-color: #f9f9f9;
    --card-bg: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    margin: 0;
    padding: 0;
}

header {
    background-color: var(--secondary-color);
    color: white;
    padding: 1.5rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    margin: 0;
    text-align: center;
    font-size: 2.5rem;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav ul li a:hover {
    background-color: rgba(255,255,255,0.2);
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Common Section Styles */
.intro-section, .bio-section, .contact-section {
    margin-bottom: 3rem;
}

.intro-section p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Cards */
.highlight-card, .report-card, .course-card, .contact-card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.highlight-card {
    border-left: 4px solid var(--primary-color);
    background-color: rgba(52, 152, 219, 0.05);
}

.highlight-card h3 {
    color: var(--primary-color);
    margin-top: 0;
}

/* Reports Page */
.reports-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.report-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.report-date {
    color: #666;
    font-size: 0.9rem;
}

/* Courses Page */
.courses-section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.course-card {
    display: block;
    text-decoration: none;
    color: var(--text-color);
    border: 1px solid #e0e0e0;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.course-card h3 {
    color: var(--primary-color);
    margin-top: 0;
}

/* Contact Page */
.contact-card {
    max-width: 600px;
    margin: 0 auto;
}

.contact-method {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-icon {
    font-size: 2rem;
    margin-right: 1.5rem;
    color: var(--primary-color);
}

.contact-details h3 {
    margin: 0 0 0.5rem 0;
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--dark-color);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--secondary-color);
    color: white;
    margin-top: 3rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .report-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .report-date {
        margin-top: 0.5rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
}

/* For Font Awesome icons */
.contact-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* For SVG icons */
.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

/* Adjust the contact icon container */
.contact-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    background-color: rgba(52, 152, 219, 0.1);
    border-radius: 50%;
}

.project-image {
    height: 180px;
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}