body {
    background: #f8f9fa;
}

.hero-dropzone {
    border: 3px dashed #6c757d;
    padding: 100px 20px;
    text-align: center;
    background: #fff;
    border-radius: 12px;
    transition: background 0.3s ease;
    cursor: pointer;
}

.hero-dropzone.dragover {
    background: #e9ecef;
}

.preview-img {
    max-width: 100%;
    height: auto;
    margin-top: 20px;
    border-radius: 8px;
}

footer {
    background: #343a40;
    color: #fff;
    padding: 30px 0;
}

footer a {
    color: #adb5bd;
}