:root { color-scheme: light; font-family: system-ui, sans-serif; color: #23382d; background: #f4f6f2; line-height: 1.7; }
* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { width: min(100% - 2.5rem, 48rem); margin-inline: auto; }
header { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .5rem 1rem; padding-block: 1.5rem; border-bottom: 1px solid #d4ddd2; }
header span, footer { color: #526553; font-size: .9rem; }
a { color: #23583c; text-underline-offset: .2em; }
a:hover { color: #123923; }
a:focus-visible { outline: 3px solid #52845f; outline-offset: 4px; }
.marke { font-size: 1.1rem; font-weight: 750; text-decoration: none; }
main { padding-block: 2.5rem 1.5rem; }
.rubrik { margin-top: 0; color: #526553; font-size: .9rem; }
h1 { max-width: 18ch; margin-block: .5rem 1.5rem; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; letter-spacing: -.025em; }
h2 { margin-block: 0 .7rem; font-size: 1.2rem; line-height: 1.35; }
p { margin-block: .7rem; }
.einleitung { font-size: 1.15rem; }
section { margin-top: 2rem; padding: 1.5rem; border: 1px solid #d4ddd2; border-radius: .7rem; background: #fff; }
code { overflow-wrap: anywhere; font-size: .9em; }
nav { display: flex; flex-wrap: wrap; gap: .6rem 1.5rem; padding-block: 1.8rem .8rem; }
footer { padding-block: 1.2rem 2rem; border-top: 1px solid #d4ddd2; }
@media (max-width: 32rem) { section { padding: 1.1rem; } main { padding-top: 1.8rem; } }