:root{
    --background-color: #d5f8c7;
    --text-color: black;
    --header-background-color: #2f6a36;
    --header-text-color: white;
    --nav-background-color: #3f8a46;
    --nav-button-color: #52a45a;
    --nav-text-color: white;

}
body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    font-size: 125%;
    line-height: 1.75;
}

header,footer {
    background-color: var(--header-background-color);
    color: var(--header-text-color);
    padding: 20px;
    text-align: center;
}

.navigation {
    background-color: var(--nav-background-color);
    padding: 15px;
    text-align: center;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
}

.nav-button {
    display: inline-block;
    background-color: var(--nav-button-color);
    color: var(--nav-text-color);
    padding: 10px 20px;
    margin: 0 10px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.nav-button:visited {
    color: var(--nav-text-color);
}

.nav-button:hover {
    background-color: var(--header-background-color);
}

.nav-button.active {
    background-color: #3498db;
}

@media (max-width: 768px) {
    .navigation {
        padding: 15px 10px;
        text-align: center;
        white-space: normal;
    }

    .nav-button {
        margin: 5px 10px;
    }

}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
}

a,a:visited,a:hover {
    color: #2b7cb2;
    text-decoration: underline;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 20px;
}

@media (max-width: 768px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

img {
    max-width: 100%;
    display: block;
    margin: 0 auto;
    border-radius: 5px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    border-radius: 6px;
    overflow: hidden; /* Keeps rounded corners clean */
}

/* Enable horizontal scrolling on small screens without breaking desktop layout */
@media (max-width: 768px) {
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Cell padding & text layout */
table th,
table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 2px solid #2f6a36;
}

/* Header styles */
table th {
    background-color: #2f6a36;
    color: #ffffff;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.pagination {
    text-align: center;
}

.pagination a {
    padding: 20px;
}

blockquote {
    border: 3px solid #2f6a36;
    background-color: #2f6a36;
    border-radius: 5px;
    color: white;
    margin: 0 0;
    padding: 2px 20px;
}

.highlight {
    padding: 10px;
    border-radius: 5px;
    border: 1px solid gray;
    overflow-x: auto;
}