body {
    background-color: #1a1a2e;
    color: #e0e0e0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 10px;
    background: #ff0033;
    color: white;
    padding: 10px;
    z-index: 100;
    text-decoration: none;
    border: 2px solid white;
}

.skip-link:focus {
    top: 10px;
}

header nav {
    background-color: #16213e;
    padding: 20px;
    border-bottom: 4px solid #ff0033;
    border-radius: 10px;
}

.nav-links {
    display: flex;
    justify-content: space-around;
    list-style: none;
    margin: 0;
    padding: 0;
}

header a {
    color: #00d2ff;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2rem;
}

header a:hover {
    color: #ff0033;
    text-shadow: 0 0 15px #ff0033;
    transition: all 0.4s ease-in-out;
}

.flex-hero {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 30px;
    margin-top: 30px;
}

.horizontal-gallery {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    gap: 20px;
    padding: 20px 0;
}

.grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 30px;
}

img {
    border: 5px solid #0f3460;
    padding: 8px;
    border-radius: 15px;
    max-width: 100%;
    height: auto;
}

.horizontal-gallery img {
    flex: 0 0 300px;
}

.horizontal-gallery img:nth-child(even) {
    border-color: #ff0033;
    border-radius: 80px 10px 80px 10px;
}