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

body {
    font-family: Arial, sans-serif;
    font-size: 16px;
    background-color: #f0f0f0;
    color: #333333;
}

header {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 20px 10px;
}

header h1 {
    font-size: 30px;
    margin-bottom: 5px;
}

header p {
    font-size: 14px;
    color: #cccccc;
}

nav {
    background-color: #002244;
    padding: 10px 0;
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 12px;
    font-size: 15px;
}

nav a:hover {
    color: #ffcc00;
    text-decoration: underline;
}

.container {
    width: 85%;
    margin: 25px auto;
}

h2 {
    font-size: 22px;
    color: #003366;
    margin-bottom: 10px;
    border-bottom: 2px solid #cccccc;
    padding-bottom: 5px;
}

h3 {
    font-size: 18px;
    color: #003366;
    margin-bottom: 8px;
}

p {
    line-height: 1.7;
    margin-bottom: 15px;
    color: #444444;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 10px 0;
    border: 1px solid #cccccc;
}

.box {
    background-color: white;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid #dddddd;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.gallery img {
    width: calc(33% - 7px);
    height: 200px;
    object-fit: cover;
    margin: 0;
}

form {
    background-color: white;
    padding: 20px;
    border: 1px solid #dddddd;
    max-width: 480px;
}

.form-field {
    margin-bottom: 15px;
}

.form-field label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #333333;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #aaaaaa;
    font-family: Arial, sans-serif;
    font-size: 14px;
}

.form-field textarea {
    height: 100px;
    resize: vertical;
}

input[type="submit"] {
    background-color: #003366;
    color: white;
    border: none;
    padding: 10px 25px;
    font-size: 15px;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #002244;
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 15px;
    font-size: 14px;
    margin-top: 30px;
}

@media (max-width: 768px) {
    .container {
        width: 95%;
    }

    nav a {
        display: inline-block;
        margin: 4px 8px;
    }

    .gallery img {
        width: 100%;
        height: auto;
    }

    header h1 {
        font-size: 22px;
    }
}