/* ============================================================
   Reicht Holding — Base
   Reset · Typografie · responsives Raster · Utilities · Motion
   ============================================================ */

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}
html.nav-open { overflow: hidden; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--anthrazit);
  background: var(--reicht-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; padding: 0; }
address { font-style: normal; }

/* ---- Typografie ---- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;                 /* Jost Medium per CI */
  line-height: 1.12;
  letter-spacing: -0.022em;
  color: var(--anthrazit);
  text-wrap: balance;
}
h1 { font-size: var(--fs-hero); line-height: 1.04; letter-spacing: -0.03em; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.2; letter-spacing: -0.015em; }

p { max-width: 64ch; }

strong { font-weight: 600; }

.lead {
  font-family: var(--font-body);
  font-size: var(--fs-lead);
  line-height: 1.55;
  font-weight: 400;
}

/* Eyebrow · JetBrains Mono · 0.18em Tracking · Versalien (CI) */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--reicht-blue);
  display: inline-block;
}

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

.section {
  padding-block: var(--section-y);
  scroll-margin-top: var(--header-h);
}

/* ---- Responsives Raster ---- */
.grid { display: grid; gap: var(--gutter); }
.grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---- Scroll-Reveal (nur aktiv, wenn JS läuft) ---- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--dur) var(--ease),
    transform var(--dur) var(--ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---- Accessibility ---- */
.skip-link {
  position: absolute;
  left: var(--space-md);
  top: -100px;
  z-index: 999;
  padding: 0.6rem 1rem;
  background: var(--reicht-blue);
  color: var(--white);
  border-radius: var(--radius);
  font-size: var(--fs-small);
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: var(--space-md); }

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

:focus-visible {
  outline: 2px solid var(--reicht-sand);
  outline-offset: 3px;
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}