/* ============================================================
   Schriften (lokal eingebunden, keine Verbindung zu Google)
   ============================================================ */
@font-face { font-family: 'Inter'; src: url('fonts/inter-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('fonts/inter-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Permanent Marker'; src: url('fonts/marker.woff2') format('woff2'); font-display: swap; }
@font-face { font-family: 'Caveat'; src: url('fonts/caveat.woff2') format('woff2'); font-weight: 400 700; font-display: swap; }
@font-face { font-family: 'Special Elite'; src: url('fonts/typewriter.woff2') format('woff2'); font-display: swap; }

:root {
  --bg: #e9e9e7;
  --ink: #1b1b1a;
  --muted: #6b6b68;
  --paper: #fbfbf9;
  --accent: #1a3fbf;
  --line: #dcdcd8;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: 'Inter', system-ui, sans-serif; color: var(--ink); background: var(--bg); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ============================================================
   Startseite: die Mauer
   Querformat: Mauer so breit wie der Bildschirm, oben/unten beschnitten, kein Scrollen.
   Hochformat: Mauer so hoch wie der Bildschirm, seitlich wischen.
   ============================================================ */
body.wall-page { overflow: hidden; height: 100vh; height: 100dvh; }

.viewport {
  position: fixed; inset: 0;
  overflow: auto;
  overscroll-behavior: none;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.viewport::-webkit-scrollbar { display: none; }

.stage {
  /* --r = Seitenverhältnis der Mauer (von der Seite gesetzt).
     Überall gilt: Mauerhöhe = Bildschirmhöhe. Ist die Mauer breiter als der Bildschirm,
     scrollt man seitlich; ist sie schmaler (sehr breite Monitore), steht sie mittig. */
  --r: 1;
  --h: 100vh;
  --h: 100dvh;
  --w: calc(var(--h) * var(--r));
  position: absolute;
  left: max(0px, calc(50% - var(--w) / 2));
  top: 0;
  width: var(--w);
  height: var(--h);
  container-type: size;
  overflow: hidden;
  background: var(--bg);
  user-select: none;
  -webkit-user-select: none;
}
/* Mit der Maus lässt sich die Mauer greifen und verschieben */
@media (hover: hover) and (pointer: fine) {
  .viewport { cursor: grab; }
  .viewport.is-panning, .viewport.is-panning * { cursor: grabbing !important; }
}
.viewport a { -webkit-user-drag: none; }
.stage__bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
  -webkit-user-drag: none;
}

/* ---------- Objekte auf der Mauer ---------- */
.obj {
  position: absolute;
  transform: rotate(var(--rot, 0deg));
  transform-origin: 50% 50%;
}
.obj__in {
  position: relative;
  display: block;
  width: 100%; height: 100%;
  color: inherit;
  text-decoration: none;
  transition: transform .28s cubic-bezier(.3, 1.6, .5, 1), filter .28s ease;
  -webkit-tap-highlight-color: transparent;
}
.obj img, .obj video {
  display: block;
  width: 100%; height: 100%;
  object-fit: contain;
  -webkit-user-drag: none;
}
.obj iframe { display: block; width: 100%; height: 100%; border: 0; background: transparent; }
.obj__cover { position: absolute; inset: 0; z-index: 2; }
.obj__text { line-height: 1.12; overflow-wrap: normal; word-break: normal; hyphens: manual; }
.obj__text strong { font-weight: 700; }

.has-shadow .obj__in { filter: drop-shadow(0 .3cqw .45cqw rgba(0, 0, 0, .28)); }
.obj--text.has-shadow .obj__in { filter: drop-shadow(0 .2cqw .3cqw rgba(0, 0, 0, .22)); }

a.obj__in:focus-visible, .obj__cover:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

@media (hover: hover) {
  .hover-lift a.obj__in:hover, .hover-lift .obj__in:has(.obj__cover:hover) { transform: translateY(-.6cqw); }
  .hover-lift.has-shadow a.obj__in:hover { filter: drop-shadow(0 1.1cqw 1cqw rgba(0, 0, 0, .25)); }
  .hover-grow a.obj__in:hover, .hover-grow .obj__in:has(.obj__cover:hover) { transform: scale(1.07); }
  .hover-wiggle a.obj__in:hover, .hover-wiggle .obj__in:has(.obj__cover:hover) { animation: wiggle .55s ease-in-out; }
}
.hover-lift a.obj__in:focus-visible { transform: translateY(-.6cqw); }
.hover-grow a.obj__in:focus-visible { transform: scale(1.07); }
.hover-swing .obj__in { transform-origin: 50% 0; animation: swing 3.2s ease-in-out infinite; }

@keyframes wiggle {
  0%, 100% { transform: rotate(0); }
  20% { transform: rotate(-5deg); }
  40% { transform: rotate(4deg); }
  60% { transform: rotate(-3deg); }
  80% { transform: rotate(2deg); }
}
@keyframes swing {
  0%, 100% { transform: rotate(-2.5deg); }
  50% { transform: rotate(2.5deg); }
}

/* Deko-Objekte, durch die man hindurchklicken kann (z. B. ein transparentes Bild über allem) */
.obj.is-passthrough, .obj.is-passthrough * { pointer-events: none !important; }

/* ---------- Klickflächen im Foto ---------- */
.obj--area .obj__in { cursor: pointer; }
.obj__area { position: absolute; inset: 0; border-radius: inherit; opacity: 0; transition: opacity .25s ease; pointer-events: none; }
.shape-ellipse .obj__in, .shape-ellipse .obj__area { border-radius: 50%; }
.hover-glow .obj__area { background: radial-gradient(closest-side, rgba(255, 255, 255, .6), rgba(255, 255, 255, .25) 70%, rgba(255, 255, 255, 0)); mix-blend-mode: screen; }
.hover-outline .obj__area { box-shadow: 0 0 0 .22cqw rgba(255, 255, 255, .95), 0 0 1.2cqw .2cqw rgba(0, 0, 0, .28); }
.hover-shade .obj__area { background: rgba(0, 0, 0, .12); box-shadow: 0 0 1.5cqw .6cqw rgba(0, 0, 0, .12); border-radius: .6cqw; }
.shape-ellipse.hover-shade .obj__area { border-radius: 50%; }
@media (hover: hover) { .obj--area a.obj__in:hover .obj__area { opacity: 1; } }
.obj--area a.obj__in:focus-visible .obj__area { opacity: 1; }

/* ---------- Pfeile links/rechts (nur wenn es seitlich weitergeht) ---------- */
.wall-nav {
  position: fixed; top: 50%; z-index: 50;
  width: 44px; height: 44px;
  margin-top: -22px;
  display: grid; place-items: center;
  padding: 0;
  border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .82);
  color: #1b1b1a;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .18);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
  opacity: 0; visibility: hidden;
  transition: opacity .3s ease, visibility .3s, transform .15s ease;
  -webkit-tap-highlight-color: transparent;
}
.wall-nav svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.wall-nav--prev { left: 10px; }
.wall-nav--next { right: 10px; }
.wall-nav--up, .wall-nav--down { top: auto; left: 50%; margin: 0 0 0 -22px; }
.wall-nav--up { top: 10px; }
.wall-nav--down { bottom: 10px; }
.wall-nav.is-visible { opacity: 1; visibility: visible; }
.wall-nav:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
/* Solange noch nicht erkundet wurde, stupsen die Pfeile leicht in ihre Richtung */
body:not(.has-explored) .wall-nav--prev.is-visible svg { animation: nudge-l 1.6s ease-in-out 1s infinite; }
body:not(.has-explored) .wall-nav--next.is-visible svg { animation: nudge-r 1.6s ease-in-out 1s infinite; }
body:not(.has-explored) .wall-nav--up.is-visible svg { animation: nudge-u 1.6s ease-in-out 1s infinite; }
body:not(.has-explored) .wall-nav--down.is-visible svg { animation: nudge-d 1.6s ease-in-out 1s infinite; }
@keyframes nudge-u { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-4px); } }
@keyframes nudge-d { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(4px); } }
@keyframes nudge-l { 0%, 60%, 100% { transform: translateX(0); } 30% { transform: translateX(-4px); } }
@keyframes nudge-r { 0%, 60%, 100% { transform: translateX(0); } 30% { transform: translateX(4px); } }

.wall-footer {
  position: fixed; right: 14px; bottom: 10px;
  z-index: 40;
  font-size: 12px;
  color: var(--footer, #555);
}
.wall-footer a { color: inherit; text-decoration: none; padding: 6px 4px; }
.wall-footer a:hover { text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  .obj__in, .hover-swing .obj__in, .wall-nav svg { transition: none; animation: none !important; }
}

/* ============================================================
   Unterseiten
   ============================================================ */
body.sub-page { background: var(--paper); }
.sub-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px;
}
.back-link:hover { color: var(--accent); }
.back-link svg { width: 18px; height: 18px; }
.sub-header__site { font-size: 13px; color: var(--muted); }

.sub-main { max-width: 760px; margin: 0 auto; padding: 48px 20px 80px; }
.sub-main h1 {
  font-family: 'Permanent Marker', 'Inter', sans-serif;
  font-weight: 400;
  font-size: clamp(34px, 7vw, 60px);
  line-height: 1.05;
  margin: 0 0 32px;
  letter-spacing: .01em;
}
.b-text { font-size: 18px; line-height: 1.65; }
.b-text p { margin: 0 0 1em; }
.b-text h2 { font-size: 24px; line-height: 1.25; margin: 1.6em 0 .6em; }
.b-text a, .b-media figcaption a { color: var(--accent); }
.b-media { margin: 32px 0; }
.b-media img, .b-media video { display: block; width: 100%; height: auto; border-radius: 4px; }
.b-media figcaption { margin-top: 10px; font-size: 14px; color: var(--muted); line-height: 1.5; }
.b-media.size-medium { max-width: 520px; margin-left: auto; margin-right: auto; }
.b-media.size-small { max-width: 300px; margin-left: auto; margin-right: auto; }
.b-media.size-wide { width: min(1100px, calc(100vw - 40px)); margin-left: 50%; transform: translateX(-50%); }
.b-embed .ratio { position: relative; aspect-ratio: 16 / 9; }
.b-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; border-radius: 4px; }
.b-html { margin: 32px 0; }
.b-html img { max-width: 100%; height: auto; }

.sub-footer {
  border-top: 1px solid var(--line);
  padding: 24px 20px 32px;
  text-align: center;
  font-size: 13px; color: var(--muted);
}
.sub-footer a { color: inherit; }

.notfound { text-align: center; padding-top: 12vh; }
.notfound p { font-size: 18px; color: var(--muted); }