:root{--nacht:#061536;--nacht2:#0B2E66;--blau:#0062CC;--text:#1A2233;--grau:#5B6577;--flaeche:#F4F6FA}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;color:var(--text);background:#fff}
header{background:linear-gradient(160deg,var(--nacht2),var(--nacht));color:#fff;padding:48px 16px 40px}
header .w,main{max-width:760px;margin:0 auto}
header a{color:#CFE5FF;text-decoration:none;font-weight:600}
h1{font-size:2rem;line-height:1.2;margin:.4em 0 .2em}
header p{color:#CFE5FF;margin:0}
main{padding:32px 16px 64px}
h3{font-size:1.05rem;margin:1.4em 0 .3em}
h2{font-size:1.25rem;margin:2em 0 .5em;color:var(--nacht2)}
a{color:var(--blau)}
.box{background:var(--flaeche);border-radius:12px;padding:16px 20px;margin:16px 0}
.platzhalter{background:#FFF3C4;border-radius:4px;padding:0 4px}
footer{max-width:760px;margin:0 auto;padding:24px 16px;color:var(--grau);font-size:.9rem;border-top:1px solid #E3E7EF}
@media (prefers-color-scheme:dark){body{background:#0A1020;color:#E6EBF5}.box{background:#121B30}h2{color:#9CC7FF}a{color:#6FB1FF}footer{border-color:#24304A;color:#9AA6BC}.platzhalter{background:#5A4A10}}