/* Gemeinsame Gestaltung der Themenseiten. Eine Datei - damit alle drei
   Seiten gleich aussehen und sich an einer Stelle ändern lassen. */
@font-face{font-family:'Fraunces';font-weight:400;font-display:swap;src:url(fonts/Fraunces-400-latin.woff2) format('woff2')}
@font-face{font-family:'Fraunces';font-weight:600;font-display:swap;src:url(fonts/Fraunces-600-latin.woff2) format('woff2')}
@font-face{font-family:'Inter';font-weight:400;font-display:swap;src:url(fonts/Inter-400-latin.woff2) format('woff2')}
@font-face{font-family:'Inter';font-weight:500;font-display:swap;src:url(fonts/Inter-500-latin.woff2) format('woff2')}
@font-face{font-family:'Inter';font-weight:600;font-display:swap;src:url(fonts/Inter-600-latin.woff2) format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-weight:400;font-display:swap;src:url(fonts/IBMPlexMono-400-latin.woff2) format('woff2')}

:root{--pap:#F4F1EA;--pap2:#FBF9F5;--ink:#1F1D1A;--mut:#78726A;--akz:#8A5A2B;
  --akz2:#B08146;--lin:rgba(31,29,26,.14)}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--pap);color:var(--ink);font-family:'Inter',system-ui,sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;font-weight:400;line-height:1.1;letter-spacing:-.015em}
.wrap{max-width:860px;margin:0 auto;padding:0 26px}

/* Kopfzeile */
.top{background:var(--pap);border-bottom:1px solid var(--lin)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:104px;max-width:1120px;gap:24px}
.marke img{height:60px;width:auto;display:block}
.hnav{display:flex;gap:30px;font-size:15.5px}
.hnav a{color:var(--mut);padding:6px 0;border-bottom:1.5px solid transparent;transition:color .15s,border-color .15s}
.hnav a:hover{color:var(--ink);border-bottom-color:var(--akz)}
.hnav a.an{color:var(--ink);border-bottom-color:var(--akz)}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--ink);color:var(--pap2);
  padding:14px 24px;border-radius:999px;font-size:15.5px;font-weight:600;transition:background .15s}
.btn:hover{background:#000}
.btn i{font-style:normal;transition:transform .15s}
.btn:hover i{transform:translateX(3px)}
.btn-hell{background:var(--pap2);color:var(--ink)}
.btn-hell:hover{background:#fff}
.burger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:6px}
.burger span{display:block;width:22px;height:1.5px;background:var(--ink);transition:transform .2s}
.burger.auf span:first-child{transform:translateY(3.75px) rotate(45deg)}
.burger.auf span:last-child{transform:translateY(-3.75px) rotate(-45deg)}
.menue{position:fixed;inset:80px 0 0;background:var(--pap);z-index:40;display:flex;
  flex-direction:column;gap:4px;padding:26px 24px}
.menue a{font-family:'Fraunces',serif;font-size:27px;padding:13px 0;border-bottom:1px solid var(--lin)}
.menue .btn{margin-top:22px;justify-content:center;font-family:'Inter',sans-serif;font-size:16px;border-bottom:0}
.menue[hidden]{display:none}

/* Seitenkopf */
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--akz);margin-bottom:22px}
.kopf{padding:64px 0 44px}
.kopf h1{font-size:clamp(34px,5.4vw,56px)}
.kopf h1 em{font-style:italic;color:var(--akz)}
.lead{font-size:19px;color:var(--mut);max-width:48ch;margin:22px 0 32px}

/* Punkte */
.punkte{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--lin);
  border-bottom:1px solid var(--lin)}
.punkt{padding:30px 28px 32px;border-right:1px solid var(--lin)}
.punkt:last-child{border-right:0}
.punkte.sechs{grid-template-columns:repeat(3,1fr)}
.punkte.sechs .punkt:nth-child(3n){border-right:0}
.punkte.sechs .punkt:nth-child(-n+3){border-bottom:1px solid var(--lin)}
.pn{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--akz)}
.punkt h3{font-size:21px;margin:12px 0 10px}
.punkt p{color:var(--mut);font-size:15.5px}

/* Rechner */
.rechner{background:var(--pap2);border:1px solid var(--lin);border-radius:4px;padding:34px 32px;margin:46px 0}
.rechner h2{font-size:28px;margin-bottom:6px}
.rechner .rsub{color:var(--mut);font-size:15.5px;margin-bottom:26px}
.rfelder{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:26px}
.rfeld label{display:block;font-size:14.5px;font-weight:500;margin-bottom:7px}
.rfeld input[type=range]{width:100%;accent-color:var(--akz);margin-top:4px}
.rwert{font-family:'Fraunces',serif;font-size:27px}
.rwert span{font-family:'Inter',sans-serif;font-size:14px;color:var(--mut);font-weight:400}
.rerg{border-top:1px solid var(--lin);padding-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.rerg .gross{font-family:'Fraunces',serif;font-size:clamp(30px,4.6vw,44px);color:var(--akz);line-height:1.05}
.rerg .klein{font-family:'Fraunces',serif;font-size:27px}
.rlabel{font-size:14px;color:var(--mut);margin-top:6px}
.rhinweis{font-size:13.5px;color:var(--mut);margin-top:22px;line-height:1.55}

/* Textblöcke */
.block{padding:14px 0 10px}
.block h2{font-size:clamp(26px,3.6vw,36px);margin-bottom:16px}
.block h2 em{font-style:italic;color:var(--akz)}
.block p{color:var(--mut);max-width:58ch;margin-bottom:14px}
.hinweis{background:var(--pap2);border:1px solid var(--lin);border-left:2px solid var(--akz2);
  border-radius:0 4px 4px 0;padding:22px 24px;margin:26px 0;font-size:16px;color:var(--mut)}
.hinweis b{color:var(--ink)}
.weiter{display:inline-flex;align-items:center;gap:9px;font-weight:500;color:var(--akz);
  border-bottom:1px solid var(--akz);padding-bottom:3px;margin-top:6px}

/* Gebäudearten zum Antippen */
.arten{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0 0}
.art{text-align:left;background:var(--pap2);border:1px solid var(--lin);border-radius:4px;
  padding:22px 22px 24px;cursor:pointer;font-family:inherit;transition:border-color .15s,background .15s}
.art:hover{border-color:var(--akz2)}
.art.an{border-color:var(--akz);background:#fff}
.an-nr{display:block;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--akz)}
.at{display:block;font-size:18px;font-weight:600;margin:12px 0 6px;color:var(--ink)}
.ab{display:block;font-size:14.5px;color:var(--mut);line-height:1.45}
.artbox{background:var(--pap2);border:1px solid var(--lin);border-top:0;border-radius:0 0 4px 4px;
  padding:30px 30px 32px}
.artbox[hidden]{display:none}
.artbox h3{font-size:24px;margin-bottom:18px}
.artbox ul{margin:0 0 26px;padding-left:20px}
.artbox li{color:var(--mut);font-size:16px;margin-bottom:12px;line-height:1.55}
.artbox li b{color:var(--ink);font-weight:600}
@media(max-width:780px){
  .arten{grid-template-columns:1fr;gap:10px}
  .artbox{border-top:1px solid var(--lin);border-radius:4px;margin-top:10px;padding:24px 22px 26px}
  .artbox .btn{width:100%;justify-content:center}
}

/* Abschluss */
.schluss{background:var(--ink);color:var(--pap2);padding:86px 0;text-align:center;margin-top:60px}
.schluss h2{font-size:clamp(30px,4.2vw,46px);color:var(--pap2)}
.schluss p{color:rgba(244,241,234,.66);margin:18px auto 32px;max-width:42ch}
.fuss{background:var(--ink);color:rgba(244,241,234,.6);padding:0 0 50px;font-size:14px}
.fspalten{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;
  border-top:1px solid rgba(244,241,234,.14);padding-top:40px}
.fuss .marke img{height:104px}
.fuss p{max-width:36ch;line-height:1.6;margin-top:18px}
.fuss nav{display:flex;flex-direction:column;gap:11px}
.fuss nav a{color:rgba(244,241,234,.6)}
.fuss nav a:hover{color:var(--pap2)}

.zweilinks{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:22px}
.zweilinks .weiter{margin-top:0}
@media(max-width:560px){
  .zweilinks{flex-direction:column;align-items:flex-start;gap:18px}
  .zweilinks .btn{width:100%;justify-content:center}
}

@media(max-width:900px){
  .punkte{grid-template-columns:1fr}
  .punkt{border-right:0;border-bottom:1px solid var(--lin)}
  .punkt:last-child{border-bottom:0}
  .fspalten{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:680px){
  body{font-size:16.5px}
  .top .wrap{height:80px}
  .marke img{height:48px}
  .hnav,.top .btn-k{display:none}
  .burger{display:flex}
  .kopf{padding:40px 0 32px}
  .kopf h1{font-size:clamp(31px,8.4vw,40px)}
  .lead{font-size:17px}
  .rechner{padding:26px 22px;margin:34px 0}
  .rfelder{grid-template-columns:1fr;gap:22px}
  .rerg{grid-template-columns:1fr;gap:18px}
  .schluss{padding:64px 0;margin-top:44px}
  .schluss .btn{width:100%;justify-content:center}
  .fspalten{grid-template-columns:1fr;gap:28px;padding-top:32px}
  .fuss .marke img{height:84px}
  .fuss nav{flex-direction:row;flex-wrap:wrap;gap:12px 20px}
}