:root { --header-height: 64px; }
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; font-family: "Avenir Next", "Montserrat", "Helvetica Neue", sans-serif; color: #1f2937; background: #f6f7fb; padding-top: calc(var(--header-height) + 24px); display: flex; flex-direction: column; min-height: 100vh; }
a { color: inherit; text-decoration: none; }
main { flex: 1; }