/* Design B · Paper Grid. Keine externen Schriften (DSGVO), nur System-Schriften. */
:root{
  --bg:#F6F7F9; --surface:#FFFFFF; --line:#D9DCE1; --fg:#0E1116; --muted:#4A5058; --accent:#2F4BFF; --on-accent:#FFFFFF;
  --f-d:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --f-m:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background-color:var(--bg);background-image:linear-gradient(#E9EBEF 1px,transparent 1px),linear-gradient(90deg,#E9EBEF 1px,transparent 1px);background-size:64px 64px;color:var(--fg);font-family:var(--f-d);font-size:16px;line-height:1.6;padding:0 max(16px,env(safe-area-inset-left,0px)) 0 max(16px,env(safe-area-inset-right,0px))}
a{color:var(--muted);text-decoration:none}
a:hover{color:var(--fg)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:1080px;margin:0 auto}
nav{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;padding:22px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.02em;color:var(--fg)}
.mark{width:20px;height:20px;background:var(--accent);border-radius:5px}
.links{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:15px;font-weight:500}
.hero{display:flex;flex-direction:column;gap:40px;padding:48px 0 48px}
.hero-text{display:flex;flex-direction:column;gap:20px;max-width:760px}
.eyebrow{font:500 13px var(--f-m);letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
h1{margin:0;font-size:clamp(36px,8vw,68px);line-height:1;letter-spacing:-.04em;font-weight:700;text-wrap:balance}
h2{margin:0 0 12px;font-size:26px;line-height:1.2;letter-spacing:-.02em;font-weight:600}
h3{margin:0 0 6px;font-size:19px;font-weight:600;letter-spacing:-.01em}
.lead{margin:0;font-size:19px;color:var(--muted);max-width:560px}
.facts{display:flex;flex-wrap:wrap;gap:8px 20px;font:400 13px var(--f-m);color:var(--muted)}
.facts span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:middle}
.calc{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:16px;box-shadow:0 1px 0 var(--line)}
.calc-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.calc-head b{font-size:20px;font-weight:600;letter-spacing:-.02em}
.calc-head span{font:400 12px var(--f-m);color:var(--muted)}
.slot{min-height:280px;border:1.5px dashed #B6BBC3;border-radius:12px;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:20px}
.slot .ph{font:500 13px var(--f-m);color:var(--accent)}
.slot p{margin:0;color:var(--muted);font-size:15px;max-width:34ch}
.embed{min-height:420px;border-radius:12px;overflow:hidden}
.embed iframe{max-width:100%;border:0}
.fine{margin:0;font-size:12px;line-height:1.5;color:var(--muted)}
section{padding:40px 0}
.label{font:500 13px var(--f-m);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 22px}
.prose{max-width:68ch}
.prose p{margin:0 0 14px;color:var(--muted)}
.prose ul{margin:0 0 14px;padding-left:20px;color:var(--muted)}
.prose li{margin-bottom:6px}
.prose strong{color:var(--fg)}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;min-width:0}
.card p{margin:0;color:var(--muted);font-size:15px}
.card small{display:block;font:500 12px var(--f-m);color:var(--accent);margin-bottom:8px;letter-spacing:.06em;text-transform:uppercase}
.guide{display:flex;flex-direction:column;gap:10px}
.guide a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;background:var(--surface);border:1px solid var(--line);border-radius:14px;color:var(--fg);font-size:18px;font-weight:500;min-height:44px}
.guide a:hover{border-color:var(--accent)}
.guide a span:last-child{font-family:var(--f-m);color:var(--accent)}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;color:var(--fg);min-height:24px}
.faq details p{margin:10px 0 0;color:var(--muted);max-width:68ch}
.crumbs{font:400 13px var(--f-m);color:var(--muted);padding-top:8px}
footer{padding:28px 0 40px;margin-top:24px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
footer .row{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}
footer .row div{display:flex;flex-wrap:wrap;gap:8px 22px}
footer .hint{margin:0 0 14px;font-size:13px;line-height:1.6;max-width:80ch}
.legal{padding:32px 0}
.legal h1{font-size:clamp(28px,5vw,40px);letter-spacing:-.03em;margin-bottom:24px}
.legal h2{margin-top:28px}