:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --text-color: #343a40;
    --background-color: #f8f9fa;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
}

header {
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

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

nav ul li {
    display: inline;
}

nav ul li a {
    color: white;
    text-decoration: none;
    margin-right: 1rem;
}

main {
    padding: 2rem;
}

section {
    margin-bottom: 3rem;
}

#hero {
    width: 100%;
    height: 40vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
}

button {
    padding: 1rem 2rem;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    border-radius: 0.5rem;
    background-color: var(--primary-color);
    color: white;
}