body {
    background: linear-gradient(to right, #1e3c72, #2a5298);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #f5f5f5;
    margin: 0;
    padding: 0;
}

header {
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
    text-align: center;
    font-size: 2em;
    color: #fdd835;
    letter-spacing: 2px;
    text-shadow: 1px 1px 5px #000;
}

nav ul {
    display: flex;
    justify-content: center;
    padding: 0;
    list-style: none;
    background: rgba(0, 0, 0, 0.4);
    margin: 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
    padding: 15px 20px;
    display: block;
}

nav ul li a:hover {
    background: #fdd835;
    color: #000;
    border-radius: 8px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    padding: 30px;
    margin: 0 auto;
    max-width: 1000px;
}

.gallery li {
    list-style: none;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
}

.gallery li:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.2);
}

.gallery li a {
    text-decoration: none;
    color: #fdd835;
    font-weight: bold;
    font-size: 1.2em;
}

img {
    border-radius: 12px;
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

input[type="text"] {
    padding: 10px;
    border-radius: 10px;
    border: none;
    width: 60%;
    margin-right: 10px;
}

input[type="submit"] {
    background-color: #fdd835;
    border: none;
    padding: 10px 15px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: bold;
}

input[type="submit"]:hover {
    background-color: #ffee58;
}

footer {
    background-color: rgba(0, 0, 0, 0.6);
    text-align: center;
    padding: 20px;
    color: #eee;
    margin-top: 40px;
}