/* ==========================================================================
   Basis: Reset, Typografie, Layout-Grundlagen
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--c-night);
  color: var(--c-fog);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: var(--leading);
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
img, video { height: auto; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

p { margin: 0 0 1em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

a {
  color: inherit;
  text-decoration-color: color-mix(in srgb, var(--c-gold) 60%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--dur-fast), text-decoration-color var(--dur-fast);
}
a:hover { color: var(--c-gold); text-decoration-color: var(--c-gold); }

::selection { background: var(--c-gold); color: var(--c-night); }

:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}

button, input, textarea, select { font: inherit; color: inherit; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed;
  left: var(--gutter); top: -4rem;
  z-index: 100;
  padding: var(--space-xs) var(--space-m);
  background: var(--c-gold); color: var(--c-night);
  font-weight: 600; text-decoration: none;
  border-radius: var(--radius-s);
  transition: top var(--dur-fast);
}
.skip-link:focus { top: var(--space-s); color: var(--c-night); }

/* Layout */
.wrap {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--space-2xl); }
.section + .section { padding-top: 0; }

.section__head { margin-bottom: var(--space-xl); max-width: 40rem; }
.section__title { font-size: var(--step-4); font-stretch: 112%; }
.section__intro { margin-top: var(--space-m); color: var(--c-fog-soft); font-size: var(--step-1); line-height: 1.5; }

.prose { max-width: var(--measure); }
.prose p { color: var(--c-fog-soft); }
.prose strong { color: var(--c-fog); font-weight: 600; }

.lead {
  font-size: var(--step-2);
  line-height: 1.38;
  color: var(--c-fog);
  max-width: 30ch;
  letter-spacing: -0.01em;
}

/* Seitenübergänge zwischen Unterseiten (View Transitions API) */
@view-transition { navigation: auto; }

::view-transition-old(root),
::view-transition-new(root) { animation-duration: 380ms; animation-timing-function: var(--ease-in-out); }

/* Wer weniger Bewegung wünscht, bekommt sie. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  @view-transition { navigation: none; }
}