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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
    color: #333;
    min-height: 100vh;
    margin: 0; /* Remove default margin */
    display: flex;
    flex-direction: column;
}

/* Logo in the upper left corner */
header {
    padding: 1rem;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    background-color: black;
    width: 100vw;
    display: flex;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); /* Adds subtle shadow */
}

header h1 {
    font-family: 'Helvetica Neue', 'Arial', sans-serif;
    font-size: 2rem;
    font-weight: bold;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Masonry Grid */
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1px; /* 1px border */
    padding-top: 100px;
    width: 100vw;
    padding: 0;
    grid-auto-flow: dense; /* Ensures tighter packing */
}

/* Grid Items */
.grid-item {
    position: relative;
    background-color: #000;
    padding-top: 100%; /* 1:1 aspect ratio */
}

.grid-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Grid Sizes (All maintain 1:1 ratio) */
.large {
    grid-column: span 3;
    grid-row: span 3;
}

.medium {
    grid-column: span 2;
    grid-row: span 2;
}

.small {
    grid-column: span 1;
    grid-row: span 1;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .masonry-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .masonry-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}