body {
    font-family: Arial, sans-serif;
    background-color: #f5f1e8;
    background-image: linear-gradient(to right, rgba(0, 102, 204, 0.06) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(0, 102, 204, 0.06) 1px, transparent 1px);
    background-size: 40px 40px;
    color: #222;
    margin: 0;
    padding: 0;
}

header {
    background-color: #ffffff;
    padding: 20px;
    border-bottom: 4px solid #0066cc;
    text-align: center;
    box-shadow: 0 4px 0 #cfc7b8;
}

header h1 {
    margin: 0 0 10px 0;
    color: #003366;
    font-size: 2.2em;
    letter-spacing: 2px;
    text-transform: uppercase;
}

nav {
    margin-top: 10px;
}

nav a {
    display: inline-block;
    margin: 5px 8px;
    padding: 10px 16px;
    background-color: #e6f0ff;
    color: #0066cc;
    text-decoration: none;
    font-weight: bold;
    border: 2px solid #0066cc;
    border-radius: 6px;
    box-shadow: 3px 3px 0 #cfc7b8;
}

nav a:hover {
    background-color: #0066cc;
    color: white;
}

main {
    width: 80%;
    margin: 30px auto;
}

section {
    background-color: white;
    padding: 20px;
    margin-bottom: 25px;
    border-radius: 12px;
    border-left: 8px solid #0066cc;
    box-shadow: 6px 6px 0 #d8cfbf;
}

h1,
h2 {
    color: #003366;
}

h2 {
    margin-top: 0;
    border-bottom: 2px dashed #99bbdd;
    padding-bottom: 8px;
}

p {
    line-height: 1.6;
}

main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

footer {
    background-color: white;
    text-align: center;
    padding: 15px;
    border-top: 4px solid #0066cc;
    margin-top: 30px;
    box-shadow: 0 -3px 0 #cfc7b8;
}

@media (max-width: 700px) {

    header h1 {
        font-size: 1.8em;
    }

    nav a {
        display: block;
        margin: 6px auto;
    }

    main {
        width: 95%;
    }

}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    border: 3px solid #0066cc;
    box-shadow: 5px 5px 0 #d8cfbf;
}

.hero-image {
    text-align: center;
}

.hero-image img {
    width: 100%;
    max-width: 700px;
    border: 6px solid #0066cc;
    border-radius: 12px;
    padding: 6px;
    background-color: #e6f0ff;
    box-shadow: 6px 6px 0 #cfc7b8;
}

.photo-caption {
    margin-top: 8px;
    font-style: italic;
    color: #555;
}

.hero-image {
    padding: 20px;
    background: repeating-linear-gradient(
        135deg,
        #e6f0ff,
        #e6f0ff 10px,
        #f5f1e8 10px,
        #f5f1e8 20px
    );
}

iframe {
    width: 100%;
    max-width: 420px;
    height: 235px;
    display: block;
    margin-top: 10px;
    border: 6px solid #0066cc;
    border-radius: 10px;
}