:root {
  color-scheme: dark;
  --nacht: #0f0c0b;
  --fels: #1b1614;
  --linie: #3a302b;
  --knochen: #f1e8da;
  --asche: #b8ac9c;
  --glut: #ef7a45;
  --schrift: "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--nacht);
  color: var(--knochen);
  font-family: var(--schrift);
  font-size: 1.0625rem;
  line-height: 1.6;
}

a { color: var(--knochen); text-underline-offset: .2em; }
a:hover { color: var(--glut); }
a:focus-visible { outline: 2px solid var(--glut); outline-offset: 3px; }

.buehne {
  width: 100%;
  max-width: 54rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 8vh, 5rem) 1rem 1.5rem;
  text-align: center;
}

.dachzeile,
.start h2,
.einheit {
  letter-spacing: .18em;
  text-transform: uppercase;
}

.dachzeile {
  margin: 0 0 .75rem;
  color: var(--glut);
  font-size: .875rem;
}

h1 {
  margin: 0;
  font-size: clamp(1.7rem, 8.2vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.einleitung {
  max-width: 34rem;
  margin: 1.25rem auto 0;
  font-size: clamp(1.125rem, 2.6vw, 1.375rem);
}

.start { margin-top: clamp(2.25rem, 6vh, 3.5rem); }

.start h2 {
  margin: 0 0 1.25rem;
  color: var(--asche);
  font-size: .875rem;
  font-weight: 400;
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(.375rem, 2vw, 1rem);
  max-width: 40rem;
  margin: 0 auto;
}

.countdown[hidden] { display: none; }

.zelle {
  padding: clamp(.75rem, 2.5vw, 1.25rem) .25rem;
  background: var(--fels);
  border: 1px solid var(--linie);
  border-top: 2px solid var(--glut);
}

.zahl {
  display: block;
  font-size: clamp(2rem, 8.5vw, 4.25rem);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: lining-nums tabular-nums;
}

.einheit {
  display: block;
  margin-top: .5rem;
  color: var(--asche);
  font-size: clamp(.6875rem, 2.1vw, .8125rem);
  letter-spacing: .08em;
}

/* "Sekunden" muss auch auf sehr schmalen Telefonen in die Zelle passen */
@media (max-width: 359px) {
  .zelle { padding-inline: 0; }
  .einheit { font-size: .625rem; letter-spacing: 0; }
}

.termin {
  margin: 1.25rem 0 0;
  color: var(--asche);
}

.termin time { color: var(--knochen); }

.ruf {
  max-width: 34rem;
  margin: clamp(2rem, 5vh, 3rem) auto 0;
  color: var(--asche);
}

.knopf {
  display: inline-block;
  min-height: 44px;
  margin-top: 1.25rem;
  padding: .625rem 1.75rem;
  background: var(--glut);
  color: var(--nacht);
  font-weight: 700;
  text-decoration: none;
  transition: background-color .2s;
}

.knopf:hover { background: var(--knochen); color: var(--nacht); }

.szene {
  flex: 1 0 auto;
  display: flex;
  align-items: flex-end;
  min-height: clamp(9rem, 26vh, 21rem);
  overflow: hidden;
}

.szene svg {
  display: block;
  width: 100%;
  height: clamp(9rem, 26vh, 21rem);
}

.huegel { fill: #171210; }
.boden { fill: #0a0807; }
.stein-hinten { fill: #2c2320; }
.stein-vorn { fill: #050403; }
.flamme { fill: #e8702f; }
.flamme-kern { fill: #f9c27a; }

.schein,
.flamme,
.flamme-kern {
  transform-origin: 600px 262px;
  animation: flackern 3.2s ease-in-out infinite alternate;
}

@keyframes flackern {
  from { opacity: .78; }
  to { opacity: 1; }
}

.fuss {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  justify-content: space-between;
  padding: 1rem;
  background: #0a0807;
  color: var(--asche);
  font-size: .8125rem;
}

.fuss p { margin: 0; max-width: 40rem; }

.fuss nav { display: flex; gap: 1.25rem; }

.fuss a {
  display: inline-block;
  padding: .25rem 0;
  color: var(--asche);
}

.fuss a:hover { color: var(--knochen); }

/* Textseiten: Impressum, Datenschutz, 404 */
.text {
  width: 100%;
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1rem;
  flex: 1 0 auto;
}

.text h1 {
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  letter-spacing: .02em;
  text-transform: none;
}

.text h2 {
  margin: 2rem 0 .5rem;
  font-size: 1.25rem;
}

.zurueck { margin: 0 0 2rem; }

@media (prefers-reduced-motion: reduce) {
  .schein, .flamme, .flamme-kern { animation: none; }
  .knopf { transition: none; }
}