/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden}
img,picture,video,svg{display:block;max-width:100%;height:auto}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}

/* ---------- 2. tokens ---------- */
:root{
  --wand:#FFFFFF;
  --wand-2:#F1F0EC;
  --tinte:#131316;
  --tinte-leise:#5A5A63;
  --tinte-invers:#F7F6F3;
  --saal1:#FF6A13;
  --saal2:#00B3A4;
  --saal3:#3D5AFE;
  --saal4:#C2185B;
  --linie:#131316;
  --linie-fein:rgba(19,19,22,.18);
  --t-riesig:clamp(2.5rem,6.6vw,5.5rem);
  --t-gross:clamp(1.75rem,3.2vw,2.8rem);
  --t-mittel:clamp(1.15rem,1.8vw,1.45rem);
  --t-lead:clamp(1.05rem,1.4vw,1.25rem);
  --t-text:1.0625rem;
  --t-mikro:.7rem;
  --abstand:clamp(64px,7vw,116px);
  --rand:clamp(20px,4vw,56px);
  --breit:1280px;
  --lesen:62ch;
  --kurve:cubic-bezier(.2,.7,.2,1);
}

/* ---------- 3. base ---------- */
body{
  background:var(--wand);
  color:var(--tinte);
  font-family:"Work Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:var(--t-text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Familjen Grotesk","Helvetica Neue",Arial,sans-serif;font-weight:700;line-height:1.05}
h1{font-size:var(--t-riesig);letter-spacing:-.025em}
h2{font-size:var(--t-gross);letter-spacing:-.015em}
h3{font-size:var(--t-mittel)}
p{max-width:var(--lesen)}
p + p{margin-top:.9em}

/* ---------- 4. layout: 12 колонок ---------- */
.sbz-bahn{width:100%;max-width:var(--breit);margin:0 auto;padding-left:var(--rand);padding-right:var(--rand)}
.sbz-abschnitt{padding-top:var(--abstand);padding-bottom:var(--abstand)}
.sbz-raster{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(20px,2.4vw,32px)}
.sbz-s12{grid-column:span 12}
.sbz-s6{grid-column:span 12}
.sbz-s5{grid-column:span 12}
.sbz-s7{grid-column:span 12}
.sbz-s4{grid-column:span 12}
.sbz-s8{grid-column:span 12}
@media (min-width:900px){
  .sbz-s6{grid-column:span 6}
  .sbz-s5{grid-column:span 5}
  .sbz-s7{grid-column:span 7}
  .sbz-s4{grid-column:span 4}
  .sbz-s8{grid-column:span 8}
  .sbz-haftend{position:sticky;top:92px}
}

/* ---------- 5. компоненты ---------- */
.sbz-sprung{position:absolute;left:-9999px}
.sbz-sprung:focus{left:var(--rand);top:12px;z-index:60;background:var(--wand);padding:10px 14px}
.sbz-kopf{background:var(--wand);border-bottom:2px solid var(--linie)}
.sbz-kopf-in{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;padding-top:16px;padding-bottom:16px}
.sbz-marke{font-family:"Familjen Grotesk",Arial,sans-serif;font-weight:700;font-size:1.2rem;letter-spacing:-.02em;text-decoration:none;margin-right:auto}
.sbz-kopf a{text-decoration:none;font-size:.93rem;font-weight:500}
.sbz-band{color:#fff;padding-top:clamp(28px,3.5vw,52px);padding-bottom:clamp(28px,3.5vw,52px)}
.sbz-band .sbz-raster{align-items:center}
.sbz-band-1{background:var(--saal1)}
.sbz-band-2{background:var(--saal2);color:var(--tinte)}
.sbz-band-3{background:var(--saal3)}
.sbz-band-4{background:var(--saal4)}
.sbz-marker-1{color:var(--saal1);border-color:var(--saal1)}
.sbz-marker-2{color:var(--saal2);border-color:var(--saal2)}
.sbz-marker-3{color:var(--saal3);border-color:var(--saal3)}
.sbz-marker-4{color:var(--saal4);border-color:var(--saal4)}
.sbz-balken-1{background:var(--saal1)}
.sbz-balken-2{background:var(--saal2)}
.sbz-balken-3{background:var(--saal3)}
.sbz-balken-4{background:var(--saal4)}
.sbz-mikro{font-size:var(--t-mikro);letter-spacing:.22em;text-transform:uppercase;font-weight:600}
.sbz-nummer{font-family:"Familjen Grotesk",Arial,sans-serif;font-weight:700;font-size:clamp(2rem,4.4vw,3.4rem);line-height:.9}
.sbz-lead{font-size:var(--t-lead);color:var(--tinte-leise);max-width:52ch}
.sbz-marke-pille{display:inline-block;border:2px solid;border-radius:0;padding:5px 12px;font-size:var(--t-mikro);letter-spacing:.16em;text-transform:uppercase;font-weight:700}
.sbz-verweis{display:inline-block;text-decoration:none;font-weight:600;border-bottom:2px solid currentColor;padding-bottom:2px}
.sbz-fein{height:1px;background:var(--linie-fein);border:0;margin:0}
.sbz-strich{height:2px;background:var(--linie);border:0;margin:0}
.sbz-passepartout{background:var(--wand);border:1px solid var(--linie);padding:clamp(14px,1.8vw,24px)}
.sbz-bild{overflow:hidden;background:var(--wand-2);aspect-ratio:4/3}
.sbz-bild img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--kurve)}
.sbz-bild-hoch{aspect-ratio:3/4}
.sbz-bild-breit{aspect-ratio:21/9}
.sbz-bild-quadrat{aspect-ratio:1/1}
.sbz-bildtext{font-size:var(--t-mikro);color:var(--tinte-leise);margin-top:10px;letter-spacing:.02em}
.sbz-schild{border-left:6px solid;padding-left:clamp(14px,1.6vw,22px)}
.sbz-exponat{border-top:2px solid var(--linie);padding-top:clamp(28px,3.4vw,48px);padding-bottom:clamp(40px,5vw,76px)}
.sbz-schalter{display:inline-flex;border:2px solid var(--linie)}
.sbz-schalter button{background:transparent;border:0;padding:8px 16px;cursor:pointer;font-size:var(--t-mikro);letter-spacing:.16em;text-transform:uppercase;font-weight:700}
.sbz-schalter button[aria-pressed="true"]{background:var(--linie);color:var(--wand)}
.sbz-rundgang{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;border-top:2px solid var(--linie);padding-top:20px}
.sbz-details{border-top:1px solid var(--linie-fein);padding:12px 0}
.sbz-details summary{cursor:pointer;list-style:none;font-weight:600}
.sbz-details summary::-webkit-details-marker{display:none}
.sbz-fuss{background:var(--tinte);color:var(--tinte-invers)}
.sbz-fuss a{text-decoration:none}
.sbz-fuss a:hover{text-decoration:underline;text-underline-offset:4px}
.ist-versteckt{display:none}
:focus-visible{outline:3px solid var(--tinte);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- 6. ergaenzungen ---------- */
.sbz-nav{display:none;flex-wrap:wrap;gap:10px 18px;align-items:center;width:100%}
.sbz-nav-offen{display:flex}
.sbz-menue{background:transparent;border:2px solid var(--linie);padding:6px 12px;cursor:pointer;font-size:var(--t-mikro);letter-spacing:.16em;text-transform:uppercase;font-weight:700}
.sbz-kopf a:hover{text-decoration:underline;text-underline-offset:5px}
.sbz-marke:hover{text-decoration:none}
@media (min-width:900px){
  .sbz-nav{display:flex;width:auto;justify-content:flex-end}
  .sbz-menue{display:none}
}

.sbz-platte{display:flex;align-items:flex-end;justify-content:flex-start;padding:clamp(14px,2vw,26px);height:100%;width:100%}
.sbz-platte-text{font-family:"Familjen Grotesk",Arial,sans-serif;font-weight:700;font-size:clamp(1rem,2.2vw,1.6rem);line-height:1.1;color:#fff;letter-spacing:-.01em;max-width:24ch}
.sbz-platte-dunkel .sbz-platte-text{color:var(--tinte)}

.sbz-abstand-klein{margin-top:clamp(14px,1.6vw,22px)}
.sbz-abstand-mittel{margin-top:clamp(24px,3vw,40px)}
.sbz-abstand-gross{margin-top:clamp(40px,5vw,72px)}
.sbz-eng{max-width:var(--lesen)}
.sbz-band .sbz-lead{color:inherit}
.sbz-band h1{margin-bottom:.2em}
.sbz-zaehler{font-family:"Familjen Grotesk",Arial,sans-serif;font-weight:700;font-size:clamp(1.6rem,3.4vw,2.6rem);line-height:1}

.sbz-planleiste{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:2px;border:2px solid var(--linie);padding:2px}
@media (min-width:640px){.sbz-planleiste{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:900px){.sbz-planleiste{grid-template-columns:repeat(4,minmax(0,1fr))}}
.sbz-planfeld{display:block;text-decoration:none;padding:14px 16px;border:1px solid var(--linie-fein)}
.sbz-planfeld-aktiv{color:#fff}
.sbz-planfeld-titel{font-family:"Familjen Grotesk",Arial,sans-serif;font-weight:700;font-size:1.05rem;line-height:1.15;margin-top:4px}

.sbz-saalstreifen{display:block;text-decoration:none;color:#fff;padding:clamp(22px,3vw,40px) 0}
.sbz-streifen-in{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(20px,2.4vw,32px);align-items:baseline}
.sbz-streifen-nr{grid-column:span 12;font-family:"Familjen Grotesk",Arial,sans-serif;font-weight:700;font-size:clamp(1.8rem,3.6vw,2.8rem);line-height:1}
.sbz-streifen-titel{grid-column:span 12}
.sbz-streifen-kriterium{grid-column:span 12;max-width:46ch}
@media (min-width:900px){
  .sbz-streifen-nr{grid-column:span 2}
  .sbz-streifen-titel{grid-column:span 4}
  .sbz-streifen-kriterium{grid-column:span 6}
}

.sbz-liste-fein li{border-top:1px solid var(--linie-fein);padding:12px 0}
.sbz-liste-fein a{text-decoration:none;font-weight:600}
.sbz-liste-fein a:hover{text-decoration:underline;text-underline-offset:4px}
.sbz-liste-punkte li{border-top:1px solid var(--linie-fein);padding:10px 0}

.sbz-hinweis{font-size:.95rem;color:var(--tinte-leise);max-width:var(--lesen)}
.sbz-notiz{border-top:2px solid var(--linie);padding-top:18px}
.sbz-notiz h3{margin-bottom:6px}
.sbz-notiz a{text-decoration:none}
.sbz-glossar-eintrag{border-top:1px solid var(--linie-fein);padding:16px 0}
.sbz-buchstaben{display:flex;flex-wrap:wrap;gap:6px 10px}
.sbz-buchstaben a{text-decoration:none;font-weight:700;border:2px solid var(--linie);padding:2px 9px}
.sbz-buchstaben span{font-weight:700;border:2px solid var(--linie-fein);padding:2px 9px;color:var(--tinte-leise)}

.sbz-feld{display:block;margin-top:16px;max-width:520px}
.sbz-feld span{display:block;font-size:var(--t-mikro);letter-spacing:.16em;text-transform:uppercase;font-weight:700;margin-bottom:6px}
.sbz-feld input,.sbz-feld select,.sbz-feld textarea{width:100%;border:2px solid var(--linie);background:var(--wand);padding:10px 12px}
.sbz-feld textarea{min-height:150px}
.sbz-knopf{background:var(--linie);color:var(--wand);border:2px solid var(--linie);padding:11px 22px;cursor:pointer;font-size:var(--t-mikro);letter-spacing:.16em;text-transform:uppercase;font-weight:700;margin-top:20px}
.sbz-zustimmung{display:flex;gap:10px;align-items:flex-start;margin-top:20px;max-width:var(--lesen)}
.sbz-zustimmung input{margin-top:5px}

.sbz-fuss-oben{padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(28px,3vw,44px)}
.sbz-fuss-gross{font-family:"Familjen Grotesk",Arial,sans-serif;font-weight:700;font-size:clamp(1.6rem,4vw,3rem);line-height:1.05;letter-spacing:-.02em;max-width:20ch}
.sbz-fuss-mitte{border-top:1px solid rgba(247,246,243,.22);padding-top:clamp(28px,3vw,44px);padding-bottom:clamp(28px,3vw,44px)}
.sbz-fuss-mitte li{padding:5px 0}
.sbz-fuss-unten{border-top:1px solid rgba(247,246,243,.22);padding-top:20px;padding-bottom:32px;display:flex;flex-wrap:wrap;gap:8px 28px;justify-content:space-between}
.sbz-fuss-unten p{font-size:.9rem;max-width:none}
.sbz-fuss h2,.sbz-fuss h3{margin-bottom:10px}

.sbz-plan-svg{width:100%;height:auto;border:2px solid var(--linie)}
.sbz-tafel{border:2px solid var(--linie);padding:clamp(16px,2vw,28px)}
.sbz-warnzeile{font-weight:700;border-top:2px solid var(--linie);border-bottom:2px solid var(--linie);padding:12px 0;max-width:var(--lesen)}
.sbz-rundgang a{text-decoration:none;font-weight:600}
.sbz-rundgang a:hover{text-decoration:underline;text-underline-offset:4px}
.sbz-details p{margin-top:8px}
.sbz-gutzuwissen{margin-top:18px;max-width:var(--lesen)}

/* ---------- 7. kontrast ---------- */
:root{
  --saal1-tief:#A8410B;
  --saal2-tief:#00655C;
  --saal3-tief:#2A3EB1;
  --saal4-tief:#A8144E;
}
.sbz-band-1{color:var(--tinte)}
.sbz-saalstreifen-hell{color:var(--tinte)}
.sbz-planfeld-aktiv-hell{color:var(--tinte)}
.sbz-schild p{color:var(--tinte)}
.sbz-nummer.sbz-marker-1{color:var(--saal1-tief)}
.sbz-nummer.sbz-marker-2{color:var(--saal2-tief)}
.sbz-nummer.sbz-marker-3{color:var(--saal3-tief)}
.sbz-nummer.sbz-marker-4{color:var(--saal4-tief)}