:root {
    color-scheme: light;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
    color: #1f2933;
    background: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

main {
    width: min(100% - 2rem, 1200px);
    margin-inline: auto;
    padding-block: 4rem;
}

h1 {
    margin-top: 0;
    line-height: 1.2;
}

header {
    border-bottom: 1px solid #e5e7eb;
    background: #ffffff;
}

nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    width: min(100% - 2rem, 1200px);
    margin-inline: auto;
    padding-block: 1rem;
}

nav a {
    color: inherit;
    font-weight: 600;
    text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
    text-decoration: underline;
}