/* Global Styles */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

header {
    background: #2d6a4f;
    color: white;
    padding: 15px;
    text-align: center;
}

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

    nav ul li {
        display: inline-block;
        margin: 0 15px;
    }

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

            nav ul li a:hover {
                color: #95d5b2;
            }

/* Hero Section */
.hero {
    background: #40916c;
    color: white;
    text-align: center;
    padding: 50px 20px;
}

/* Columns */
.columns {
    display: flex;
    padding: 20px;
    gap: 20px;
}

    .columns div {
        flex: 1;
    }

/* Gallery */
.gallery {
    text-align: center;
    padding: 20px;
}

    .gallery img {
        width: 30%;
        margin: 10px;
        border-radius: 8px;
    }

/* Table */
table {
    width: 80%;
    margin: 20px auto;
    border-collapse: collapse;
}

table, th, td {
    border: 1px solid #333;
}

th, td {
    padding: 10px;
    text-align: center;
}

/* Form */
form {
    width: 80%;
    max-width: 500px;
    margin: auto;
    display: flex;
    flex-direction: column;
}

    form input, form select, form textarea {
        margin-bottom: 15px;
        padding: 8px;
    }

/* Footer */
footer {
    background: #2d6a4f;
    color: white;
    text-align: center;
    padding: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .columns {
        flex-direction: column;
    }

    .gallery img {
        width: 80%;
    }

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