.course-curriculum-section {
    padding: 20px 0 80px 0;
    font-family: 'Inter', sans-serif;
    background: #ffffff;
}

.course-curriculum-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.curriculum-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    overflow: hidden;
}

.curriculum-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 40px 30px 40px;
    border-bottom: 1px solid #edf2f7;
}

.curriculum-title-area {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.curriculum-title-area .section-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 0;
}

.curriculum-title-area .section-title {
    color: #d32f2f;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0;
}

.curriculum-title-area .title-line {
    height: 2px;
    width: 40px;
    background: #d32f2f;
}

.curriculum-main-title {
    color: #1a2a3a;
    font-size: 32px;
    font-weight: 900;
    margin: 0;
}

.curriculum-badge {
    background: #f4f7fb;
    border: 1px solid #e2e8f0;
    padding: 10px 20px;
    border-radius: 8px;
    color: #1a2a3a;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.curriculum-badge i {
    color: #4a8ddf;
}

.curriculum-badge strong {
    color: #1a65c2;
    font-weight: 800;
    font-size: 18px;
}

.curriculum-content {
    display: flex;
    padding: 40px;
    gap: 60px;
}

.curriculum-module {
    flex: 1;
}

.module-title {
    color: #8fa0b3;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0 0 20px 0;
    padding-bottom: 15px;
    border-bottom: 1px solid #edf2f7;
}

.accordion-list {
    display: flex;
    flex-direction: column;
}

.accordion-item {
    border-bottom: 1px solid #edf2f7;
}

.accordion-header {
    display: flex;
    align-items: center;
    padding: 25px 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.accordion-header:hover {
    opacity: 0.8;
}

.accordion-num {
    color: #9cb2c9;
    font-size: 14px;
    font-weight: 800;
    width: 35px;
    flex-shrink: 0;
}

.accordion-title {
    color: #213547;
    font-size: 16px;
    font-weight: 800;
    margin: 0;
    flex-grow: 1;
    transition: color 0.3s ease;
}

.accordion-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #f4f7fb;
    color: #4a8ddf;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.accordion-body {
    display: none;
    padding: 0 0 25px 35px;
    color: #55606d;
    font-size: 15px;
    line-height: 1.6;
}

.accordion-body ul {
    margin: 0;
    padding-left: 20px;
    list-style-type: none;
}

.accordion-body li {
    position: relative;
    margin-bottom: 15px;
}

.accordion-body li:last-child {
    margin-bottom: 0;
}

.accordion-body li::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 8px;
    width: 6px;
    height: 6px;
    background-color: #4a8ddf;
    border-radius: 50%;
}

/* Open State */
.accordion-item.open .accordion-title {
    color: #1a65c2;
}

.accordion-item.open .accordion-icon {
    background: #1a65c2;
    color: #ffffff;
}

.accordion-item.open .accordion-body {
    display: block;
    animation: fadeInDown 0.3s ease-out forwards;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsiveness */
@media (max-width: 992px) {
    .curriculum-content {
        flex-direction: column;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .curriculum-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        padding: 30px;
    }
    
    .curriculum-content {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .curriculum-header,
    .curriculum-content {
        padding: 20px;
    }
    
    .accordion-body {
        padding-left: 0;
    }
    
    .curriculum-main-title {
        font-size: 26px;
    }
}