body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg,#e8f5e9,#e0f7fa);
    overflow-x: hidden;
}

header {
    background: #2e7d32;
    color: white;
    padding: 15px;
    text-align: center;
}

.controls {
    margin-top: 10px;
}

select, button {
    padding: 8px;
    border-radius: 20px;
    border: none;
    margin: 5px;
    cursor: pointer;
}

/* 3D GALERİ */
.gallery-container {
    perspective: 1500px;
    height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.gallery {
    width: 400px;
    height: 400px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate 30s infinite linear;
}

@keyframes rotate {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}

.card {
    position: absolute;
    width: 250px;
    height: 320px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}

.card img, .card video {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card h3 {
    text-align: center;
    margin: 5px;
}

.card p {
    padding: 5px;
    font-size: 13px;
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 20px;
    width: 400px;
    border-radius: 15px;
}

.modal-content.large {
    width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal.active {
    display: flex;
}

input, textarea {
    width: 100%;
    margin: 5px 0;
    padding: 8px;
}