* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    line-height: 1.5;
    color: #111;
    background: #fff;
}

header {
    display: flex;
    justify-content: space-between;
    padding: 20px 30px;
    border-bottom: 1px solid #ddd;
}

nav {
    display: flex;
    gap: 20px;
}

a {
    color: inherit;
}

main {
    max-width: 1000px;
    margin: 80px auto;
    padding: 0 30px;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 6rem);
    line-height: 0.95;
}