:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --dark-color: #5a5c69;
    --light-bg: #f8f9fc;
}

body {
    background-color: var(--light-bg);
    font-family: 'Prompt', sans-serif; /* Thai Friendly Font */
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1; 
}
::-webkit-scrollbar-thumb {
    background: #888; 
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #555; 
}

.card-hover:hover {
    transform: translateY(-5px);
    transition: all 0.3s ease;
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important;
}

.hero-section {
    background: linear-gradient(135deg, #4e54c8 0%, #8f94fb 100%);
    color: white;
    padding: 100px 0;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}

.btn-primary-custom {
    background-color: var(--primary-color);
    border: none;
    border-radius: 20px;
    padding: 10px 25px;
    transition: all 0.3s;
}

.btn-primary-custom:hover {
    background-color: #2e59d9;
    transform: scale(1.05);
}

.course-card img {
    height: 200px;
    object-fit: cover;
}

.news-card img {
    height: 180px;
    object-fit: cover;
}