.step-container {
    display: flex;
    align-items: flex-start;
    width: 100%;
}

.step-item {
    flex: 1;
    position: relative;
    text-align: center;
}

/* garis dasar */
.step-item:not(:last-child)::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 50%;
    width: 100%;
    height: 6px;
    background: #dcdcdc;
    z-index: 1;
}

/* garis penuh (1 ke 2) */
.step-item.full:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 28px;
    left: 50%;
    width: 100%;
    height: 6px;
    background: #4a7bd6;
    z-index: 2;
}

/* garis 50% (2 ke 3) */
.step-item.half:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 28px;
    left: 50%;
    width: 50%;
    height: 6px;
    background: #4a7bd6;
    z-index: 2;
}

.step-box {
    position: relative;
    z-index: 3;
    width: 60px;
    height: 60px;
    border-radius: 10px;
    background: #c7ccd6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    margin: auto;
}

.step-box.active {
    background: white;
    border: 4px solid #4a7bd6;
    color: #4a7bd6;
    font-weight: bold;
}

.step-text {
    margin-top: 10px;
    font-size: 14px;
    font-weight: 600;
    color: #444;
}

.upload-box {
                        border: 2px dashed #cfd6df;
                        border-radius: 12px;
                        padding: 30px;
                        text-align: center;
                        cursor: pointer;
                        background: #fafbfc;
                        transition: 0.3s;
                        min-height: 220px;
                        display: flex;
                        align-items: center;
                        justify-content: center;
                        flex-direction: column;
                    }

                    .upload-preview {
                        width: 100%;
                        display: flex;
                        justify-content: center;
                        align-items: center;
                    }

                    .preview-img {
                        max-width: 100%;
                        max-height: 320px;
                        border-radius: 8px;
                        object-fit: contain;
                    }

                    .file-preview {
                        display: flex;
                        justify-content: center;
                        align-items: center;
                        height: 200px;
                    }