/* Basic reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    margin: 0 auto;
    padding: 0 20px;
    max-width: 1240px;
    width: 100%;
}

/* Header styles */
header {
    background-color: #1a1a1a;
    color: #fff;
    padding: 1rem 0;
}

/* Navigation */
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

nav ul li a:hover {
    text-decoration: underline;
}

/* Main content */
main {
    max-width: 1240px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Footer */
footer {
    background-color: #1a1a1a;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Utility classes */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Responsive design */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul li {
        margin: 0.5rem 0;
    }
}