/* Course Details Page Styles */
.course-details-section {
    padding: 100px 0 60px;
    background-color: #f8fafc;
}

/* Page Header / Hero Area */
.course-single-header {
    background: #0f172a;
    padding: 60px 0;
    color: white;
    margin-bottom: 40px;
}

.course-single-header .category-badge {
    background: #bfdbfe;
    color: #1e40af;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
    display: inline-block;
}

.course-single-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.header-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
}

.header-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    color: #94a3b8;
}

.header-meta span i {
    color: #fbbf24;
}

/* Main Content Area */
.course-main-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    margin-bottom: 35px;
    overflow: hidden;
}

.course-main-img img {
    width: 100%;
    height: auto;
    display: block;
}

.course-description {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    line-height: 1.8;
    color: #334155;
}

.course-description h2 {
    font-size: 24px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.course-description h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: #2563eb;
}

/* Sidebar & Enquiry Form */
.sticky-top {
    top: 100px;
    z-index: 10; /* Lower than header's 1000 */
}

.course-sidebar-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.price-container {
    padding-bottom: 25px;
    margin-bottom: 25px;
    border-bottom: 1px solid #f1f5f9;
    text-align: center;
}

.price-container .sale-price {
    font-size: 36px;
    font-weight: 800;
    color: #2563eb;
    display: block;
}

.price-container .mrp-price {
    font-size: 18px;
    color: #94a3b8;
    text-decoration: line-through;
    font-weight: 500;
}

.discount-tag {
    background: #fef3c7;
    color: #92400e;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
    margin-top: 10px;
    display: inline-block;
}

/* Enquiry Form Styling */
.enquiry-form h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #0f172a;
    text-align: center;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    margin-bottom: 6px;
    display: block;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
    outline: none;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-submit:hover {
    background: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px rgba(37,99,235,0.2);
}

/* Responsive Adjustments */
@media (max-width: 991px) {
    .course-details-section {
        padding-top: 60px;
    }
    
    .course-single-header {
        padding: 40px 20px;
    }
    
    .sticky-top {
        position: static !important;
        margin-top: 40px;
    }
}

@media (max-width: 576px) {
    .course-description {
        padding: 25px;
    }
    
    .header-meta {
        gap: 15px;
    }
}