{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

header {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    text-align: center;
    margin-bottom: 0.5rem;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav li {
    margin: 0 1rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background 0.3s;
}

nav a:hover {
    background: rgba(255,255,255,0.2);
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

section {
    background: white;
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

h2 {
    color: #4CAF50;
    margin-bottom: 1rem;
}

ul {
    list-style-position: inside;
}
ul li {
    margin-bottom: 0.5rem;
}

a {
    color: #4CAF50;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
}

form {
    display: flex;
    flex-direction: column;
    max-width: 500px;
}

label {
    margin-bottom: 0.25rem;
    font-weight: bold;
}

input, textarea {
    margin-bottom: 1rem;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

button {
    background: #4CAF50;
    color: white;
    padding: 0.75rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
}

button:hover {
    background: #45a049;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav li {
        margin: 0.25rem 0;
    }

    main {
        padding: 0 1rem;
    }
}