* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f4f4f9;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

nav ul {
    display: flex;
    justify-content: center;
    background-color: #333;
    list-style: none;
    padding: 10px 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    padding: 8px 12px;
    transition: background 0.3s;
}

nav ul li a:hover {
    background-color: #555;
    border-radius: 4px;
}

.section {
    display: none;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.section.active {
    display: block;
}

h2 {
    color: #444;
    margin-bottom: 15px;
}

.services li {
    margin-bottom: 15px;
}

.gallery img {
    width: 100%;
    max-width: 200px;
    margin: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}