:root{--bg:#eef0ee;--ink:#14232b;--muted:#4d5f68;--line:#c5cec9;--accent:#0d6a6a;--mark:#e3a900;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#10191e;--ink:#e6ecea;--muted:#9fb1b8;--line:#2b3b43;--accent:#5fc4bc;--mark:#e3b62e}}
html[lang="en"] [lang="de"],html[lang="de"] [lang="en"]{display:none}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:1.05rem/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent);text-underline-offset:.2em}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--mark);outline-offset:3px}
.layout{max-width:70rem;margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:18rem 1fr;gap:4rem}
.side{position:sticky;top:0;align-self:start;height:100vh;padding:3rem 0;display:flex;flex-direction:column}
h1{font:600 3.6rem/1 Iowan Old Style,Palatino,Georgia,serif;margin:2.5rem 0 1rem;letter-spacing:-.02em;border-left:.4rem solid var(--mark);padding-left:1rem}
.role{color:var(--muted);margin:0;padding-left:1.4rem}
nav{margin-top:auto;display:flex;flex-direction:column;gap:.35rem;padding-left:1.4rem}
nav a{color:var(--ink);text-decoration:none;width:fit-content;border-bottom:1px solid transparent}
nav a:hover{border-color:var(--mark)}
.lang{display:inline-flex;border:1px solid var(--line);width:fit-content}
.lang button{font:inherit;font-size:.9rem;padding:.3rem .8rem;background:none;color:var(--muted);border:0;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
main{padding:3rem 0 6rem;max-width:42rem}
section{margin-bottom:4rem;scroll-margin-top:2rem}
h2{font:600 1.7rem/1.2 Iowan Old Style,Palatino,Georgia,serif;margin:0 0 1rem}
h3{font-size:1.25rem;margin:0 0 .2rem}
.project{border-top:2px solid var(--ink);padding:1.2rem 0 1.5rem}
.project.soon{border-top-style:dashed;color:var(--muted)}
.status{margin:0 0 .8rem;font-size:.9rem;color:var(--accent);font-weight:600}
.soon .status{color:var(--mark)}
.tags{font-size:.9rem;color:var(--muted)}
ul{padding-left:1.2rem}li{margin-bottom:.5rem}
details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:.6rem 0;margin:1rem 0}
summary{cursor:pointer;font-weight:600}
dt{font-weight:600;margin-top:1.1rem}dd{margin:0;color:var(--muted)}
@media (max-width:52rem){
  .layout{display:block}
  .side{position:static;height:auto;padding:1.5rem 0 0}
  h1{font-size:2.8rem;margin-top:1.5rem}
  nav{flex-direction:row;flex-wrap:wrap;gap:.3rem 1rem;margin-top:1.5rem}
  main{padding-top:2rem}
}