/* General Styles */

body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

/* Header */

header {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 25px;
}

header h1 {
    margin: 0;
}

/* Navigation */

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline-block;
    margin: 10px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
}

nav ul li a:hover {
    color: yellow;
}

/* Sections */

section {
    padding: 25px;
    background-color: white;
    margin: 20px;
    border-radius: 10px;
}

/* Hero Section */

.hero {
    text-align: center;
}

.hero img {
    width: 80%;
    max-width: 800px;
    border-radius: 10px;
}

/* Gallery */

.gallery {
    text-align: center;
}

.gallery img {
    width: 300px;
    margin: 10px;
    border: 3px solid #003366;
    border-radius: 10px;
}

/* Table */

table {
    width: 100%;
    border-collapse: collapse;
}

table, th, td {
    border: 1px solid black;
}

th {
    background-color: #003366;
    color: white;
}

th, td {
    padding: 12px;
    text-align: center;
}

/* Form */

form {
    max-width: 600px;
    margin: auto;
}

label {
    font-weight: bold;
}

input,
textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    box-sizing: border-box;
}

input[type="submit"] {
    background-color: #003366;
    color: white;
    border: none;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #0055aa;
}

/* Footer */

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 20px;
}

/* Responsive Design */

@media screen and (max-width: 768px) {

    nav ul li {
        display: block;
        margin: 10px 0;
    }

    .gallery img {
        width: 90%;
    }

    .hero img {
        width: 95%;
    }
}