.training-section {
    position: relative;
    height: 700px;
    overflow: hidden;
}

.bg-training {
    width: 100%;
    height: 700px;
    object-fit: cover;
    position: absolute;
    z-index: 0;
    opacity: 1;
}

.training-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 700px;
    background-color: black;
    opacity: 0.6;
    z-index: 1;
}

.overlay-form {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 75%;
    z-index: 2;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 2rem;
}

.title-content {
    font-size: 48px;
    text-align: center;
}

.icons {
    width: 50px;
    height: 40px;
    margin-right: 8px;
    vertical-align: middle;
}

/* Card Training Section */
#card-training {
    padding: 20px 0;
    background-color: #f4f4f4;
}

.card-scroll-container {
    padding: 10px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px; /* Jarak antar card */
}

.card-scroll-container .flex-shrink-0 {
    flex: 0 0 calc(25% - 15px); /* 4 card per baris, dikurangi gap */
    max-width: calc(25% - 15px);
}

.card-scroll-container .flex-shrink-0 img {
    width: 100%;
    height: auto;
}

/* Footer */
footer {
    width: 100%;
    background-color: #333;
    color: white;
    padding: 20px 0;
    position: relative;
    bottom: 0;
}

/* MOBILE */
@media (max-width: 768px) {
    #card-training {
        margin-top: 15%;
        margin-bottom: 10%;
    }

    .card-scroll-container {
        flex-direction: row;
        align-items: center;
        justify-content: center;
    }

    .card-scroll-container .flex-shrink-0 {
        flex: 0 0 calc(50% - 10px); /* 2 card per baris, dikurangi setengah gap */
        max-width: calc(50% - 10px);
    }

    .overlay-form {
        width: 90%;
        padding: 1.5rem;
        top: 55%;
        transform: translate(-50%, -50%);
    }

    .overlay-form h1 {
        font-size: 1.8rem; 
    }

    .overlay-form .lead {
        font-size: 1rem;
    }

    .form-label {
        font-size: 0.9rem;
    }

    .btn-info {
        font-size: 0.9rem;
    }

    .bg-training {
        height: 700px;
    }

    .section {
        padding: 15px;
    }

    #upcoming-training {
        margin: 20px 0;
        font-size: 24px;
    }

    .title-content {
        font-size: 36px;
        padding-bottom: 24px;
    }

    .accordion-content {
        display: none;
    }

    .accordion-item.active .accordion-content {
        display: block;
    }

    .accordion-header {
        cursor: pointer;
        font-size: medium;
        font-weight: bold;
        border-bottom: 1px solid #ccc;
        position: relative;
    }

    .accordion-header::after {
        content: "▼";
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        transition: transform 0.3s;
    }
    
    .accordion-item.active .accordion-header::after {
        transform: translateY(-50%) rotate(180deg);
    }
}