/* Base styles for typography and body */
body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}
    
/* Header styles */
header {
    background-color: #333;
    color: #fff;
    padding: 1.5rem 1rem;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
}

header p {
    margin: 0.5rem 0 0;
    font-size: 1.2em;
}

/* Navigation */
nav ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

nav ul li a:hover {
    text-decoration: underline;
}

/* Main content area */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Flickr Gallery Grid */
.flickr-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.flickr-gallery a {
    display: block;
    overflow: hidden;
}

.flickr-gallery img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border: 2px solid #ddd;
    border-radius: 4px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.flickr-gallery img:hover {
    transform: scale(1.05);
    border-color: #333;
}

/* Footer */
footer {
    background-color: #333;
    color: #fff;
    padding: 1rem;
    text-align: center;
    margin-top: 2rem;
}