/* Body */
body {
    font-family: Arial, sans-serif;
    background: #fff;
    margin: 0;
}

/* Centered Header */
header {
    background: #fff;
    padding: 20px 0;
    text-align: center;
}

#header-center {
    display: inline-block;
}

#logo {
    height: 80px;
    display: block;
    margin: 0 auto;
}

#site-title {
    font-size: 36px;
    font-weight: bold;
    color: #000;
    margin: 10px 0 5px 0;
}

#contact {
    font-size: 20px;
    font-weight: 500;
    margin-top: 5px;
}

/* Gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 10px;
    padding: 20px;
}

.gallery-item {
    width: 100%;
    height: 250px;
    object-fit: cover; /* crop to square */
    cursor: pointer;
    transition: transform 0.2s;
}

.gallery-item:hover {
    transform: scale(1.05);
}

/* Viewer container */
#viewer-container {
    position: fixed;
    top:0; left:0;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: 999;
}

/* Navigation arrows */
#prev, #next {
    position: absolute;
    top: 50%;
    font-size: 50px;
    color: white;
    cursor: pointer;
    user-select: none;
    padding: 10px;
    background: rgba(0,0,0,0.3);
    border-radius: 5px;
    transform: translateY(-50%);
    z-index: 1001;
}

#prev { left: 20px; }
#next { right: 20px; }

/* Close button X */
#viewer-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 40px;
    color: white;
    cursor: pointer;
    user-select: none;
    background: rgba(0,0,0,0.3);
    padding: 5px 12px;
    border-radius: 5px;
    z-index: 1002;
}