:root {
    --primary-color: #24c20c; /* Orange/Rust tone from your image */
    --secondary-color: #1e293b;
}

body {
    font-family: 'Arial';
    background-color: #f1f5f9;
}

.navbar { background-color: #fff; border-bottom: 3px solid var(--primary-color); }
.text-primary { color: var(--primary-color) !important; }
.btn-primary { background-color: var(--primary-color); border-color: var(--primary-color); }
.btn-primary:hover { background-color: #9a3412; }

.hero-section {
    background: linear-gradient(135deg, #095bdd 0%, #0f172a 100%);
    color: white;
    padding: 60px 0;
    margin-bottom: 40px;
}

/* Category Header */
.category-header {
    border-left: 5px solid var(--primary-color);
    padding-left: 15px;
    margin-top: 40px;
    margin-bottom: 20px;
    text-transform: uppercase;
    color: #333;
    font-weight: 800;
}

/* Modern Card Design */
.course-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
    background: white;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.course-card:hover { transform: translateY(-5px); }
.card-img-top { height: 180px; object-fit: cover; border-radius: 10px 10px 0 0; }

.meta-badge {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
    color: #64748b;
}

.price-box {
    background-color: #f8fafc;
    border-radius: 8px;
    padding: 10px;
    margin-top: auto;
}
.price-label { font-size: 0.8rem; color: #64748b; }
.price-val { font-weight: bold; color: #333; }