@font-face {
  font-family: 'Inter Tight';
  src: url('schrift/inter-tight.woff2') format('woff2-variations'), url('schrift/inter-tight.woff2') format('woff2');
  font-weight: 100 900;
  font-display: optional;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('schrift/geist-mono.woff2') format('woff2-variations'), url('schrift/geist-mono.woff2') format('woff2');
  font-weight: 100 900;
  font-display: optional;
}

:root {
  --paper: oklch(98% 0.004 90);
  --ink: oklch(18% 0.010 260);
  --leise: oklch(52% 0.008 90);
  --rule: oklch(91% 0.005 90);
  --accent: oklch(52% 0.185 28);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.85rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
  --text-3xl: clamp(2rem, 1.6rem + 2vw, 3.25rem);
  --text-display: clamp(3.5rem, 2rem + 8vw, 9.5rem);

  --sans: 'Inter Tight', 'Helvetica Neue', Helvetica, sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --feder: cubic-bezier(0.32, 0.72, 0, 1);
  --sanft: cubic-bezier(0.16, 1, 0.3, 1);

  scrollbar-color: var(--rule) var(--paper);
  scrollbar-width: thin;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: oklch(14% 0.008 260);
    --ink: oklch(94% 0.005 90);
    --leise: oklch(66% 0.008 90);
    --rule: oklch(25% 0.008 260);
    --accent: oklch(62% 0.18 28);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html {
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--text-base);
  line-height: 1.6;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  display: flex;
  flex-direction: column;
}
h1, h2 { text-wrap: balance; hyphens: none; }
p, li { text-wrap: pretty; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }
:focus:not(:focus-visible) { outline: none; }

.rahmen {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
  position: relative;
  z-index: 1;
}

/* Ein leises Licht in der Akzentfarbe hinter allem */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at 18% 22%, var(--accent) 0%, transparent 55%);
  opacity: 0.035;
  animation: drift 50s ease-in-out infinite alternate;
}
@keyframes drift { to { transform: translate(6vw, -4vh) scale(1.08); } }

/* Kopf */
.kopf {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--rule);
}
.marke {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.kopf-rechts { display: flex; gap: var(--space-md); align-items: baseline; font-size: var(--text-sm); color: var(--leise); }

/* Typografie */
.eyebrow {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 520;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--leise);
}
.riesig {
  margin: 0;
  font-size: var(--text-display);
  font-weight: 560;
  line-height: 0.92;
  letter-spacing: -0.045em;
}
.riesig .punkt { color: var(--accent); }
.unterzeile {
  margin: var(--space-md) 0 0;
  font-size: var(--text-lg);
  color: var(--leise);
}
.hinweis { margin: var(--space-sm) 0 0; min-height: 1.6em; font-size: var(--text-sm); color: var(--leise); }

/* Abschnitte */
main { flex: 1; }
.held { padding: var(--space-2xl) 0 var(--space-xl); }
.abschnitt { padding: var(--space-xl) 0 var(--space-xl); border-top: 1px solid var(--rule); }
.duo { display: grid; gap: var(--space-xl); }
@media (min-width: 900px) { .duo { grid-template-columns: 7fr 5fr; } }

/* Knöpfe: Pfeil im Kreis */
.knoepfe { display: flex; flex-wrap: wrap; gap: var(--space-md); align-items: center; margin-top: var(--space-lg); }
.cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.625rem 0.625rem 0.625rem 1.5rem;
  border: 0;
  border-radius: 9999px;
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-weight: 520;
  cursor: pointer;
  transition: background 400ms var(--sanft);
}
.cta.akzent { background: var(--accent); color: oklch(98% 0.004 90); }
.cta:disabled { opacity: 0.45; cursor: progress; }
.pfeil {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: color-mix(in oklab, currentColor 14%, transparent);
}
.pfeil svg { width: 0.875rem; height: 0.875rem; fill: none; stroke: currentColor; stroke-width: 1.8; transition: transform 400ms var(--feder); }
.cta:hover .pfeil svg { transform: translateX(3px) rotate(45deg); }
.link {
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 400ms var(--feder);
}
.link:hover { background-size: 100% 1px; }
.kopf-rechts .link { color: var(--leise); }

/* Kennzahlen */
.zahlen {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--rule);
}
@media (min-width: 900px) { .zahlen { grid-template-columns: repeat(4, 1fr); } }
.zahl {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-lg) var(--space-md) var(--space-lg) 0;
  border-bottom: 1px solid var(--rule);
}
.zahl + .zahl { padding-left: var(--space-md); border-left: 1px solid var(--rule); }
@media (max-width: 899px) { .zahl:nth-child(3) { padding-left: 0; border-left: 0; } }
.wert {
  font-size: var(--text-3xl);
  font-weight: 480;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.wert.akzent { color: var(--accent); }
.label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.18em; color: var(--leise); }

/* Diagramm */
.diagramm { margin: var(--space-md) 0 0; }
#diagramm { display: block; width: 100%; height: clamp(140px, 22vw, 240px); }
#diagramm .balken { fill: var(--accent); }
#diagramm .balken.leer { fill: var(--rule); }
#diagramm .grund { stroke: var(--ink); stroke-width: 1; vector-effect: non-scaling-stroke; }
.achse {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-xs);
  font-family: var(--mono);
  font-size: var(--text-xs);
  color: var(--leise);
  font-variant-numeric: tabular-nums;
}

/* Ereignisse */
.ereignisse { list-style: none; margin: 0; padding: 0; }
.ereignisse li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: var(--space-sm);
  padding-block: 0.625rem;
  border-bottom: 1px solid var(--rule);
  font-size: var(--text-sm);
}
.ereignisse time { font-family: var(--mono); color: var(--leise); font-variant-numeric: tabular-nums; }
.ereignisse .wichtig { color: var(--accent); }

/* Einzelheiten */
.details { margin: 0; display: grid; grid-template-columns: auto 1fr; }
.details dt, .details dd { margin: 0; padding-block: 0.625rem; border-bottom: 1px solid var(--rule); font-size: var(--text-sm); }
.details dt { color: var(--leise); padding-right: var(--space-md); }
.details dd { font-variant-numeric: tabular-nums; text-align: right; }

/* Anmeldung */
.befehl {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  margin-top: var(--space-lg);
  padding: var(--space-md) 0;
  border-block: 1px solid var(--rule);
}
.befehl code {
  font-family: var(--mono);
  font-size: clamp(1.25rem, 1rem + 1.6vw, 2.25rem);
  letter-spacing: -0.01em;
  flex: 1 1 auto;
  user-select: all;
}

.fuss {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--rule);
  font-size: var(--text-xs);
  color: var(--leise);
}

/* Sanftes Erscheinen */
.held > * { animation: auf 700ms var(--sanft) both; animation-delay: calc(var(--i, 0) * 70ms); }
@keyframes auf { from { opacity: 0; transform: translateY(10px); } }

@media (max-width: 600px) {
  .cta { width: 100%; justify-content: space-between; }
  .ambient { opacity: 0.02; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .ambient { animation: none; }
}