* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #f7f7f7;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 10px;
}

.pin-container {
    column-count: 5;
    column-gap: 15px;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.card {
    background-color: #fff;
    margin-bottom: 15px;
    break-inside: avoid;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.card img, .card video {
    width: 100%;
    display: block;
    cursor: pointer;
}

.card-info {
    padding: 12px;
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

/* Modal Style */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.9);
    justify-content: center;
    align-items: center;
}

.modal-content {
    max-width: 90%;
    max-height: 85%;
    border-radius: 8px;
}

.close-btn {
    position: absolute;
    top: 20px; right: 35px;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 1100px) { .pin-container { column-count: 4; } }
@media (max-width: 800px) { .pin-container { column-count: 3; } }
@media (max-width: 600px) { 
    .pin-container { 
        column-count: 2; 
        column-gap: 10px;
    } 
}