:root{--bg:#f6f7f9;--card:#fff;--ink:#16202a;--muted:#5b6672;--line:#e3e7ec;--accent:#1f5fbf;--accent-ink:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#0f1419;--card:#171e26;--ink:#e6ebf0;--muted:#9aa6b2;--line:#273340;--accent:#6aa3ff;--accent-ink:#0f1419}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent)}
.wrap{max-width:860px;margin:0 auto;padding:32px 16px 64px}
/* Landing */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:16px}
.hero h1{font-size:clamp(2rem,6vw,3.2rem);margin:0 0 .3em;letter-spacing:-.02em}
.hero p{color:var(--muted);margin:0 0 2em;font-size:1.1rem}
.btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 22px;border-radius:10px;text-decoration:none;font-weight:600;border:1px solid var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.ghost{color:var(--accent);background:transparent}
.foot{margin-top:3em;font-size:.9rem;color:var(--muted)}
/* CV */
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}
.top a.back{text-decoration:none;color:var(--muted)}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang button{background:var(--card);color:var(--ink);border:0;padding:6px 14px;font:inherit;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:32px}
header.cv h1{margin:0;font-size:2rem;letter-spacing:-.01em}
header.cv .role{color:var(--muted);margin:.2em 0 .6em}
section{margin-top:28px}
h2{font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);border-bottom:1px solid var(--line);padding-bottom:6px;margin:0 0 14px}
.item{margin-bottom:18px}
.item .when{color:var(--muted);font-size:.9rem}
.item h3{margin:2px 0 4px;font-size:1.05rem}
.item ul{margin:4px 0 0;padding-left:20px}
.tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:0}
.tags li{border:1px solid var(--line);border-radius:999px;padding:2px 10px;font-size:.9rem}
.langs{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px}
.langs div{border:1px solid var(--line);border-radius:10px;padding:8px 12px}
.langs b{float:right}
[data-l]{display:none}
html[lang="de"] [data-l="de"],html[lang="en"] [data-l="en"]{display:revert}
@media (max-width:560px){.card{padding:20px}}
@media print{.top,.foot{display:none}body{background:#fff}.card{border:0;padding:0}}