body {
    background-color: #5a8cc6;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
.classes-section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}
.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #02275c;
    margin: 50px 0 60px 0;
    letter-spacing: 1px;
    position: relative;
}
.section-title::after {
    content: "";
    display: block;
    width: 70px;
    height: 4px;
    background: linear-gradient(90deg, #4a90e2, #02275c);
    margin: 15px auto 0;
    border-radius: 3px;
}
.classes-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.class-card {
    display: flex;
    background-color: #02275c;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s, box-shadow 0.2s;
}
.class-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}
.image-wrapper {
    flex-shrink: 0;
    width: 400px;
    height: 100%;
}
.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.class-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #ffffff;
}
.class-content .category {
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 5px;
}
.class-content .field {
    font-size: 16px;
    color: #cce0ff;
    margin-bottom: 10px;
}
.class-content .dates {
    font-size: 14px;
    color: #e6f0ff;
}
.class-content .dates i {
    margin-right: 5px;
    color: #80b3ff;
}
.season-title {
    font-size: 28px;
    font-weight: 700;
    color: #02275c;
    margin: 50px 0 30px 0;
    letter-spacing: 1px;
    position: relative;
    text-align: left;
}
.season-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #4a90e2, #02275c);
    margin-top: 10px;
    border-radius: 3px;
}
.class-description {
    margin: 0 auto 40px auto;
    font-size: 16px;
    line-height: 1.8;
    color: #ffffff;
    background: #02275c;
    padding: 20px 25px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: left;
}
.back-button-wrapper{
    max-width:1200px;
    margin:0 auto 70px;
    padding:0 20px;
}
.btn-link{
    display:inline-block;
    padding:10px 20px;
    background-color:#02275c;
    color:#ffffff;
    text-decoration:none;
    border-radius:12px;
    font-weight:bold;
    transition:background-color .2s ease;
}
.btn-link:hover {
    transform:translateY(-5px);
    box-shadow:0 25px 50px rgba(0,0,0,0.7);
}
@media (max-width: 768px) {
    .class-card {
        flex-direction: column;
        height: auto;
    }
    .image-wrapper {
        width: 100%;
        height: 100%;
        margin: 0 auto;
        border-right: none;
    }
}