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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #c1d1d8, #41616b);
    color: #222;
    line-height: 1.6;
    min-height: 100vh;
    width: 100vw;
    overflow-x: hidden;
    padding: 2rem;
}

/* Header Styles */
header {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    height: 60vh;
}

header h1 {
    font-size: 2.2rem;
    color: #111;
    text-shadow: 3px 4px 6px rgba(0, 0, 0, 0.5);
    font-weight: bold;
}

/* Course Grid Layout */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 20px;
}

.course-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition: transform 0.3s ease;

    /* Fixed height and flex layout for consistent size */
    height: 450px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.course-card:hover {
    transform: translateY(-5px);
}

.course-badge img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.course-footer {
    margin-top: 15px;
}

button.learn-more {
    background: linear-gradient(45deg, #ff6a00, #ee0979);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

button.learn-more:hover {
    background: linear-gradient(45deg, #ee0979, #ff6a00);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }
    
    header {
        height: 50vh;
    }
    
    header h1 {
        font-size: 1.8rem;
    }

    .course-grid {
        grid-template-columns: 1fr;
    }
}