/* Behrens Modell 228. Seitenstil. Die Engine-Klassen (.sc-*, [data-sc-*])
   bleiben unangetastet; hier stehen Marke, Bühnen, Zeichnung und Zettel. */
:root {
  --sc-canvas:     #0E0E10;
  --sc-surface:    #17171A;
  --sc-ink:        #F3EEE3;
  --sc-ink-soft:   #B9B3A6;
  --sc-accent:     #D9472B;
  --sc-accent-ink: #0E0E10;
  --sc-font-display: "Bodoni Moda", "Didot", Georgia, serif;
  --sc-font-text:    "Albert Sans", system-ui, sans-serif;
  --sc-font-mono:    "Albert Sans", system-ui, sans-serif;
  --sc-shadow-color: 240 8% 3%;
  --papier: #F3EEE3;
  --papier-tinte: #1A1816;
  --papier-leise: #5C564D;
  --kopf-h: 64px;
  color-scheme: dark;
}
html { background: var(--sc-canvas); }
@supports (scrollbar-color: auto) {
  html { scrollbar-color: #3B3934 var(--sc-canvas); }
}
body { font-family: var(--sc-font-text); background: var(--sc-canvas); color: var(--sc-ink); }
::selection { background: var(--sc-ink); color: var(--sc-canvas); }
:root { caret-color: var(--sc-ink); accent-color: var(--sc-ink); }
:focus-visible { outline: 2px solid var(--sc-ink); outline-offset: 3px; border-radius: 3px; }

/* ---------- Schrift ----------
   Bodoni Moda: der Didone-Schnitt der Notenstich-Titelseiten. Nur groß gesetzt,
   damit die Haarstriche auf Schwarz nicht wegbrechen. */
.anzeige {
  font-family: var(--sc-font-display);
  font-optical-sizing: auto;
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.02;
  text-wrap: balance;
  margin: 0;
}
.anzeige--xl { font-size: clamp(3rem, 1.6rem + 5.4vw, 7rem); line-height: .98; }
.anzeige--lg { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.6rem); }
.fliess {
  color: var(--sc-ink-soft); font-size: clamp(1.06rem, 1rem + .3vw, 1.25rem);
  line-height: 1.62; letter-spacing: .006em; max-width: 42ch; margin: 0; text-wrap: pretty;
}
.vorzeile {
  font: 600 .8125rem/1.2 var(--sc-font-text); letter-spacing: .16em; text-transform: uppercase;
  color: var(--sc-ink-soft); margin: 0 0 var(--sc-4);
}
@media (max-width: 700px) {
  .anzeige--xl { font-size: clamp(2.6rem, 1.6rem + 6vw, 3.6rem); }
  .anzeige--lg { font-size: clamp(1.75rem, 1.2rem + 3vw, 2.3rem); }
}

/* ---------- Kopf mit Notenband ---------- */
.kopf {
  position: fixed; inset: 0 0 auto 0; z-index: var(--sc-z-chrome);
  height: var(--kopf-h);
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: clamp(14px, 2vw, 28px);
  padding: 0 var(--sc-gutter);
  background: color-mix(in oklab, var(--sc-canvas) 92%, transparent);
  border-bottom: 1px solid var(--sc-hairline);
}
.wortmarke {
  font: 500 1.6rem/1 var(--sc-font-display); font-style: italic; letter-spacing: .01em;
  color: var(--sc-ink); text-decoration: none;
}
.band { min-width: 0; position: relative; height: 46px; }
.band__flaeche { position: absolute; inset: 0 0 16px 0; cursor: pointer; border-radius: 2px; }
.band__flaeche canvas { width: 100%; height: 100%; }
.band__akte {
  position: absolute; inset: auto 0 0 0; height: 16px; margin: 0; padding: 0; list-style: none;
}
.band__akte li { position: absolute; top: 0; white-space: nowrap; }
.band__akte a {
  display: block; font: 500 .75rem/16px var(--sc-font-text); letter-spacing: .02em;
  color: var(--sc-ink-soft); text-decoration: none; padding: 0 2px;
  transition: color 160ms var(--sc-ease-out);
}
.band__akte a.ist-hier { color: var(--sc-ink); text-decoration: underline; text-underline-offset: 3px; }
@media (hover: hover) and (pointer: fine) { .band__akte a:hover { color: var(--sc-ink); } }

/* ---------- Ton-Knopf: der einzige Zinnober neben der klingenden Note ---------- */
.ton {
  display: inline-flex; align-items: center; gap: 10px; white-space: nowrap;
  border: 0; border-radius: 999px; cursor: pointer;
  background: var(--sc-accent); color: var(--sc-accent-ink);
  font: 700 1.1875rem/1 var(--sc-font-text); letter-spacing: .005em;
  transition: transform 120ms var(--sc-ease-out), background-color 160ms var(--sc-ease-out);
  position: relative; overflow: hidden; isolation: isolate;
}
.ton::before { /* feines Mosaik, über das alle paar Sekunden ein Lichtstreif läuft */
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(105deg, transparent 35%, rgb(255 255 255 / .3) 50%, transparent 65%) -200% 0 / 200% 100% no-repeat,
    repeating-linear-gradient(90deg, rgb(0 0 0 / .06) 0 1px, transparent 1px 6px),
    repeating-linear-gradient(0deg, rgb(0 0 0 / .06) 0 1px, transparent 1px 6px);
  animation: streif 4.8s var(--sc-ease-in-out) infinite;
}
@keyframes streif { 0%, 60% { background-position: -200% 0, 0 0, 0 0; } 100% { background-position: 200% 0, 0 0, 0 0; } }
.ton:active { transform: translateY(1px); }
@media (hover: hover) and (pointer: fine) { .ton:hover { background: #E2553A; } }
.ton--klein { min-height: 44px; padding: 0 18px 0 14px; }
.ton--gross { min-height: 58px; padding: 0 28px 0 22px; font-size: 1.25rem; }
/* Das Zeichen: ein Lautsprecher, durchgestrichen solange stumm. */
.ton__zeichen {
  width: 18px; height: 18px; flex: none;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M11 5 6 9H2v6h4l5 4V5z'/%3E%3Cpath d='m22 9-6 6M16 9l6 6'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M11 5 6 9H2v6h4l5 4V5z'/%3E%3Cpath d='m22 9-6 6M16 9l6 6'/%3E%3C/svg%3E") center / contain no-repeat;
}
.ton[aria-pressed="true"] .ton__zeichen {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M11 5 6 9H2v6h4l5 4V5z'/%3E%3Cpath d='M15.5 8.5a5 5 0 0 1 0 7M19 5a10 10 0 0 1 0 14'/%3E%3C/svg%3E");
          mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M11 5 6 9H2v6h4l5 4V5z'/%3E%3Cpath d='M15.5 8.5a5 5 0 0 1 0 7M19 5a10 10 0 0 1 0 14'/%3E%3C/svg%3E");
}
.ton[aria-pressed="true"] { background: var(--sc-ink); color: var(--sc-canvas); }
.ton[aria-pressed="true"]::before { animation: none; background: none; }

.textlink {
  color: var(--sc-ink); font-weight: 600; text-decoration: underline;
  text-underline-offset: 6px; text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in oklab, var(--sc-ink) 50%, transparent);
  transition: text-decoration-color 160ms var(--sc-ease-out);
}
@media (hover: hover) and (pointer: fine) { .textlink:hover { text-decoration-color: var(--sc-ink); } }

/* ---------- Saal (Hero) ---------- */
.saal { position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: clip; }
.saal__bild { position: absolute; inset: -8% 0 -8% 0; }
.saal__bild picture { display: block; height: 100%; }
.saal__bild img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; max-width: none; }
.saal__schleier { /* Spalten-Scrim nur unter dem Text, als Geschwister der Kopie */
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgb(14 14 16 / .92) 0%, rgb(14 14 16 / .7) 30%, rgb(14 14 16 / 0) 56%);
}
.saal__text {
  position: absolute; z-index: 2; left: var(--sc-gutter); bottom: clamp(3rem, 11vh, 8rem);
  width: min(44rem, calc(100% - 2 * var(--sc-gutter)));
}
.saal__text h1 { max-width: 9.5ch; }
.saal__sub { margin-top: var(--sc-5); max-width: 34ch; color: #CFC9BC; }
.saal__knoepfe { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; margin-top: var(--sc-6); }
.saal__fuss { margin: var(--sc-5) 0 0; font-size: .9375rem; color: var(--sc-ink-soft); max-width: 40ch; }
@media (max-aspect-ratio: 4/5) {
  .saal__bild img { object-position: 50% 100%; }
  .saal__schleier { background: linear-gradient(180deg, rgb(14 14 16 / .2) 0%, rgb(14 14 16 / .86) 30%, rgb(14 14 16 / .5) 52%, rgb(14 14 16 / 0) 66%); }
  .saal__text { top: calc(var(--kopf-h) + 4vh); bottom: auto; }
  .saal__fuss { display: none; }
}

/* ---------- Bühnen ---------- */
.buehne { background: var(--sc-canvas); }
.buehne--anschlag::before { /* Notenpapier-Linien, nach unten ausgeblendet */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(0deg, transparent 0 13px, rgb(243 238 227 / .035) 13px 14px);
  mask-image: radial-gradient(90% 70% at 70% 40%, #000, transparent 75%);
}
.anschlag__text, .deckel__text { position: absolute; z-index: var(--sc-z-copy); display: grid; }
.anschlag__text > *, .deckel__text > * { grid-area: 1 / 1; }
.anschlag__text .fliess, .deckel__text .fliess { margin-top: var(--sc-4); }
.anschlag__text {
  left: var(--sc-gutter); top: calc(var(--kopf-h) + clamp(2rem, 9vh, 6rem));
  width: min(27rem, 34vw);
}

/* Die Mechanik-Zeichnung: Strich in Elfenbein auf Lack. */
.mechanik {
  position: absolute; margin: 0;
  right: var(--sc-gutter); top: calc(var(--kopf-h) + clamp(1rem, 5vh, 3rem));
  width: min(60vw, 940px); color: var(--sc-ink);
}
.mechanik svg { width: 100%; height: auto; overflow: visible; }
.mechanik path, .mechanik rect, .mechanik circle { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.m-fest path { stroke-width: 1.2; }
.m-saite { stroke-width: 1.4; }
.m-kopf { fill: var(--papier) !important; fill-opacity: .14 !important; }
.m-kopf.ist-an { fill: var(--sc-accent) !important; fill-opacity: 1 !important; stroke: var(--sc-accent) !important; }
.m-nuss, .m-lager { fill: var(--sc-canvas) !important; }
.m-belag { fill: var(--papier) !important; fill-opacity: .9 !important; }
.m-filz { stroke-width: 4 !important; opacity: .6; }
.m-waage { fill: url(#schraffur) !important; }
.m-boden { opacity: .3; }
.m-zunge { stroke-width: 2.4 !important; }
.m-schild path { stroke-width: 1 !important; opacity: .5; }
.m-schild text { fill: var(--sc-ink-soft); font: 500 15px var(--sc-font-text); letter-spacing: .02em; }
[data-taste], [data-hammer], [data-hebel], [data-daempfer] { transform-box: view-box; }

/* Die Klaviatur: alle 88 Tasten über die ganze Breite. */
.klaviatur {
  position: absolute; left: 0; right: 0; bottom: 0; height: clamp(84px, 17vh, 168px);
  padding: 0 clamp(8px, 1.4vw, 20px) clamp(8px, 1.6vh, 16px);
  background: linear-gradient(#0B0B0D, #070708);
  border-top: 1px solid var(--sc-hairline);
}
.klaviatur svg { width: 100%; height: 100%; }
.k-w { fill: #E9E3D6; stroke: #0B0B0D; stroke-width: 1; transition: fill 220ms var(--sc-ease-out); }
.k-s { fill: #141416; stroke: #000; stroke-width: .8; transition: fill 220ms var(--sc-ease-out); }
.k-w.ist-unten { fill: #BFB8AA; }
.k-s.ist-unten { fill: #3A3A40; }
.k-w.ist-jetzt, .k-s.ist-jetzt { fill: var(--sc-accent); }
.k-taste { transition: transform 90ms var(--sc-ease-out); }
.k-taste.ist-unten { transform: translateY(3px); }

@media (max-width: 860px) {
  .anschlag__text { width: auto; right: var(--sc-gutter); top: calc(var(--kopf-h) + 34px); }
  .mechanik { left: var(--sc-gutter); right: var(--sc-gutter); width: auto; top: auto; bottom: calc(clamp(84px, 17vh, 168px) + 3vh); }
  .m-schild text { font-size: 27px; }
}
@media (max-width: 860px) and (max-height: 700px) {
  .anschlag__text .fliess { font-size: 1rem; }
  .mechanik { bottom: calc(clamp(84px, 17vh, 168px) + 1vh); }
}

/* ---------- Holz und Filz ---------- */
.holz { padding-top: clamp(4rem, 9vw, 8rem); }
.holz__raster {
  display: grid; gap: clamp(2rem, 5vw, 6rem);
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: start;
}
.holz__bild { margin: 0; position: sticky; top: calc(var(--kopf-h) + 4vh); }
.holz__bild img { width: 100%; height: auto; border-radius: 2px; }
.holz__bild figcaption { margin-top: var(--sc-3); color: var(--sc-ink-soft); font-size: .9375rem; line-height: 1.55; max-width: 40ch; }
.holz__text { padding-top: clamp(1rem, 6vh, 5rem); }
.holz__text h2 { max-width: 12ch; }
.daten { margin: var(--sc-7) 0 0; border-top: 1px solid var(--sc-hairline-strong); }
.daten > div { display: grid; grid-template-columns: 10rem 1fr; gap: var(--sc-4); padding: 15px 0; border-bottom: 1px solid var(--sc-hairline); }
.daten dt { color: var(--sc-ink-soft); font-size: .9375rem; }
.daten dd { margin: 0; font-weight: 500; font-variant-numeric: tabular-nums; }
@media (max-width: 860px) {
  .holz__raster { grid-template-columns: 1fr; }
  .holz__bild { position: static; max-width: 30rem; }
  .holz__text { padding-top: 0; order: -1; }
  .daten > div { grid-template-columns: 7.5rem 1fr; }
}

/* ---------- Deckel (Höhepunkt) ---------- */
.buehne--deckel { background: #0B0B0D; }
.innen { position: absolute; inset: 0; width: 100%; height: 100%; }
.deckel__text {
  right: var(--sc-gutter); bottom: clamp(2rem, 8vh, 6rem);
  width: min(25rem, 30vw);
}
.deckel__text h2, .deckel__text .fliess { text-shadow: 0 1px 16px rgb(11 11 13 / .95); }
@media (max-aspect-ratio: 1/1) {
  .deckel__text { left: var(--sc-gutter); width: auto; bottom: clamp(1rem, 3vh, 2rem); }
  .deckel__text .fliess { font-size: 1rem; line-height: 1.5; }
}

/* ---------- Programmzettel ---------- */
.programm { padding-top: clamp(4rem, 8vw, 7rem); }
.zettel {
  position: relative; max-width: 60rem; margin: 0 auto;
  background: var(--papier); color: var(--papier-tinte);
  padding: clamp(1.75rem, 5vw, 4.5rem) clamp(1.25rem, 5vw, 4.5rem);
  border-radius: 2px;
  box-shadow: 0 2px 0 rgb(255 255 255 / .5) inset, 0 30px 60px -20px rgb(0 0 0 / .7), 0 8px 18px -6px rgb(0 0 0 / .5);
  rotate: -.6deg;
}
.zettel::before { /* Papierfaser: ein feines Punktraster, zur Mitte ausgeblendet */
  content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background-image: radial-gradient(rgb(26 24 22 / .06) .8px, transparent 1px);
  background-size: 5px 5px;
  mask-image: radial-gradient(120% 90% at 50% 40%, transparent 30%, #000 100%);
}
.zettel__kopf { text-align: center; border-bottom: 1px solid rgb(26 24 22 / .25); padding-bottom: var(--sc-6); }
.zettel__ort { margin: 0; font: 600 .8125rem/1 var(--sc-font-text); letter-spacing: .3em; text-transform: uppercase; color: var(--papier-leise); }
.zettel__titel { margin: var(--sc-4) 0 0; font: 500 clamp(2.2rem, 1.4rem + 3.4vw, 4.2rem)/1.02 var(--sc-font-display); letter-spacing: -.012em; text-wrap: balance; }
.zettel__werk { margin: var(--sc-4) 0 0; font: italic 400 clamp(1.15rem, 1rem + .6vw, 1.5rem)/1.35 var(--sc-font-display); }
.zettel__werk span { font-style: normal; font-weight: 600; }
.zettel__wer { margin: var(--sc-3) 0 0; color: var(--papier-leise); font-size: .9375rem; }
.kurve { margin: var(--sc-6) 0 0; }
.kurve canvas { width: 100%; height: auto; display: block; }
.kurve__text { margin-top: var(--sc-4); font-size: 1.0625rem; line-height: 1.55; font-variant-numeric: tabular-nums; text-wrap: pretty; }
.kurve__text b { font-weight: 700; }
.zettel__hinweis { margin: var(--sc-3) 0 0; color: var(--papier-leise); font-size: .9375rem; line-height: 1.55; max-width: 62ch; }

.anfrage { margin-top: var(--sc-7); padding-top: var(--sc-6); border-top: 1px solid rgb(26 24 22 / .25); }
.anfrage__satz { margin: 0 0 var(--sc-4); font: italic 400 1.25rem/1.4 var(--sc-font-display); }
.anfrage__zeile { display: grid; grid-template-columns: 1fr 1.3fr auto; gap: 14px; align-items: end; }
.feld { display: grid; gap: 6px; }
.feld label { font-size: .875rem; font-weight: 600; color: var(--papier-tinte); }
.feld input {
  min-height: 50px; padding: 0 14px; border-radius: 2px;
  border: 1px solid rgb(26 24 22 / .45); background: #FBF8F1; color: var(--papier-tinte);
  caret-color: var(--papier-tinte);
}
.feld input:focus-visible { outline: 2px solid var(--papier-tinte); outline-offset: 1px; }
.feld input[aria-invalid="true"] { border-color: #9E2A16; }
.feld__fehler[hidden] { display: none; }
.feld__fehler { display: block; margin-top: 8px; color: #9E2A16; font-size: .875rem; }
.knopf {
  min-height: 50px; padding: 0 24px; border: 0; border-radius: 2px; cursor: pointer; white-space: nowrap;
  background: var(--papier-tinte); color: var(--papier); font: 700 1rem/1 var(--sc-font-text);
  transition: transform 120ms var(--sc-ease-out), background-color 160ms var(--sc-ease-out);
}
.knopf:active { transform: translateY(1px); }
.knopf:focus-visible { outline-color: var(--papier-tinte); }
@media (hover: hover) and (pointer: fine) { .knopf:hover { background: #33302B; } }
.anfrage__hinweis { margin: var(--sc-4) 0 0; font-size: .875rem; color: var(--papier-leise); }
@media (max-width: 700px) {
  .zettel { rotate: 0deg; }
  .anfrage__zeile { grid-template-columns: 1fr; }
}

.fuss {
  display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: baseline; justify-content: space-between;
  max-width: 60rem; margin: clamp(3rem, 7vw, 5rem) auto 0; padding-top: var(--sc-5);
  border-top: 1px solid var(--sc-hairline); color: var(--sc-ink-soft); font-size: .875rem; line-height: 1.55;
}
.fuss span:last-child { max-width: 62ch; }
.fuss__marke { font: italic 500 1.4rem/1 var(--sc-font-display); color: var(--sc-ink); }

/* ---------- Handy-Kopf: Band in eigener Zeile ---------- */
@media (max-width: 700px) {
  :root { --kopf-h: 104px; }
  .kopf { grid-template-columns: 1fr auto; grid-template-rows: 52px 46px; align-content: start; row-gap: 0; padding-top: 4px; }
  .band { grid-column: 1 / -1; grid-row: 2; }
  .ton--klein { padding: 0 14px 0 12px; min-height: 42px; }
}

/* ---------- Reduced Motion: ruhiger Zustand ---------- */
@media (prefers-reduced-motion: reduce) {
  .ton::before { animation: none; }
  .k-taste.ist-unten { transform: none; }
  .zettel { rotate: 0deg; }
}