/* --- Global Styles --- */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #e8f4f4; /* Very light blue background */
    color: #1b5e20; /* Dark green text */
    line-height: 1.6;
}

/* --- Header --- */
header {
    background-color: #2e7d32; /* Dark green header */
    color: white;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin: 0 0 10px 0;
    font-size: 2em;
}

/* --- Navigation --- */
nav a {
    color: #c8e6c9; /* Light green links */
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
    transition: color 0.3s;
}

nav a:hover {
    color: #a5d6a7;
}

/* --- Main Content --- */
main {
    padding: 30px;
    max-width: 1000px;
    margin: 20px auto;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h2 {
    color: #388e3c; /* Heading color */
    border-bottom: 3px solid #a5d6a7;
    padding-bottom: 5px;
    margin-bottom: 20px;
}

h3 {
    color: #2e7d32;
    margin-top: 25px;
    margin-bottom: 15px;
}

/* --- Images --- */
.main-image {
    max-width: 100%;
    height: auto;
    width: 250px; /* Standardize size */
    border: 3px solid #ccc;
    border-radius: 8px;
    margin: 10px;
    display: inline-block;
    transition: transform 0.3s, box-shadow 0.3s;
}

.main-image:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* --- Footer --- */
footer {
    background-color: #1b5e20; /* Footer color */
    color: white;
    padding: 15px 0;
    text-align: center;
    margin-top: 30px;
    font-size: 0.9em;
}

/* --- Responsive for small screens --- */
@media (max-width: 600px) {
    nav a {
        display: block;
        margin: 5px 0;
    }

    .main-image {
        width: 100%;
        max-width: 300px;
    }
}