:root{--ihk-blue:#005ca9;--ihk-blue-dark:#003b6f;--ihk-text:#17212b;--ihk-surface:#fff;--ihk-muted:#eaf2f8;--ihk-focus:#ffbf00;color:var(--ihk-text);background:var(--ihk-surface);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}a,button,textarea{font:inherit}a,button{color:var(--ihk-blue-dark)}button{cursor:pointer}:focus-visible{outline:3px solid var(--ihk-focus);outline-offset:3px}.skip-link{background:var(--ihk-blue-dark);color:#fff;z-index:2;padding:.75rem;position:absolute;top:-4rem;left:1rem}.skip-link:focus{top:1rem}.upper-navigation{background:var(--ihk-muted);align-items:center;gap:1rem;padding:.75rem max(1rem,4vw);display:flex}.brand img{width:10rem;height:auto;display:block}.upper-navigation nav{flex:1;gap:1rem;display:flex}.workspace{grid-template-columns:minmax(10rem,16rem) minmax(0,1fr);min-height:calc(100vh - 5rem);display:grid}.project-navigation{background:var(--ihk-blue-dark);align-content:start;gap:.75rem;padding:1.25rem;display:grid}.project-navigation a{color:#fff}main{min-width:0;padding:clamp(1rem,4vw,3rem)}section{max-width:70rem;margin-bottom:2rem}textarea{width:min(100%,42rem);min-height:6rem;margin:.5rem 0;display:block}@media (width<=48rem){.upper-navigation{flex-wrap:wrap}.upper-navigation nav{order:3;width:100%}.workspace{grid-template-columns:1fr}.project-navigation{grid-template-columns:repeat(3,1fr)}}