/* Palette taken from the Vienna photo: dusk sky, pale stone, golden shop light, ribbon red. */
:root {
  --dusk: #1d2733;
  --dusk-raised: #273444;
  --dusk-line: #364558;
  --text: #f2ede4;
  --muted: #b4bfcc;
  --stone: #e6dfd3;
  --stone-shadow: #c9bfae;
  --red: #c4121f;
  --gold: #e8bd6a;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--dusk);
  color: var(--text);
  font: 16px/1.5 'Instrument Sans', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: max(28px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right))
    max(32px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

header { text-align: center; margin-bottom: 8px; }

h1 {
  font-family: Gloock, Georgia, serif;
  font-weight: 400;
  font-size: clamp(44px, 13vw, 68px);
  line-height: 1;
  margin: 0 0 14px;
  color: var(--text);
}

h2 {
  font-family: Gloock, Georgia, serif;
  font-weight: 400;
  font-size: 26px;
  margin: 0 0 12px;
}

.lede { margin: 0 auto; max-width: 32ch; color: var(--muted); font-size: 18px; }

.stage { margin: 20px 0 32px; }

/* Light stone stage so the red bow reads like it does on the façade. */
model-viewer {
  width: 100%;
  height: min(62vh, 480px);
  background: radial-gradient(ellipse at 50% 35%, #f6f2ea 0%, var(--stone) 55%, var(--stone-shadow) 100%);
  border-radius: 24px;
  --poster-color: transparent;
}

.ar-btn {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  border: 0;
  border-radius: 999px;
  padding: 16px 24px;
  background: var(--dusk);
  color: var(--text);
  font: 600 16px/1 'Instrument Sans', system-ui, sans-serif;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18), 0 6px 16px rgba(0, 0, 0, 0.12);
  cursor: pointer;
}
.ar-btn:active { transform: translateX(-50%) scale(0.97); }

.variants {
  display: flex;
  gap: 4px;
  margin: 16px auto 10px;
  padding: 4px;
  background: var(--dusk-raised);
  border: 1px solid var(--dusk-line);
  border-radius: 999px;
  width: fit-content;
}
.variants button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 600 15px/1 'Instrument Sans', system-ui, sans-serif;
  padding: 12px 18px;
  border-radius: 999px;
  cursor: pointer;
}
.variants button[aria-checked='true'] {
  background: var(--text);
  color: var(--dusk);
}

.variant-hint { text-align: center; color: var(--muted); font-size: 15px; margin: 0 auto; max-width: 36ch; min-height: 3em; }
.variant-hint strong { color: var(--text); }

.desktop-only, .howto {
  background: var(--dusk-raised);
  border: 1px solid var(--dusk-line);
  border-radius: 20px;
  padding: 24px;
  margin-bottom: 16px;
}
.desktop-only { text-align: center; }
.desktop-only p { color: var(--muted); margin: 0 0 16px; }
.qr { display: inline-block; padding: 12px; background: #fff; border-radius: 12px; }
.qr img, .qr canvas { display: block; }

.howto ol { margin: 0; padding-left: 20px; }
.howto li { margin-bottom: 8px; color: var(--muted); }
.howto li strong { color: var(--text); }
.howto li::marker { color: var(--gold); font-weight: 600; }

footer { text-align: center; color: var(--muted); font-size: 14px; padding: 8px 16px; }

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 18px 28px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font: 600 18px/1 'Instrument Sans', system-ui, sans-serif;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18), 0 6px 16px rgba(0, 0, 0, 0.12);
}
.cta:active { transform: scale(0.97); }

.howto .aside { margin: 16px 0 0; color: var(--muted); font-size: 15px; }

/* Text pages: privacy, 404 */
.page h1 { font-size: clamp(40px, 11vw, 56px); margin-top: 8px; }
.page h2 { font-size: 22px; margin: 28px 0 8px; }
.page p, .page li { color: var(--muted); }
.page li strong { color: var(--text); }
.page a { color: var(--text); }
.page .lede-left { font-size: 18px; margin: 0; }
.page .back-link { text-decoration: none; color: var(--muted); }
.page-center { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.page-center .cta { color: #fff; }
footer a { color: var(--muted); }
.page .imprint { color: var(--text); }
.page .small { font-size: 14px; }