/* OSI-Agenten – Grundlagen: Reset, Typografie, Hilfsklassen. */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 600 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }
img, svg { max-width: 100%; }
a { color: var(--blue-ink); font-weight: 800; text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; font-weight: 900; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.12rem; color: var(--brand-ink); }
p { margin: 0 0 .8em; }
b, strong { font-weight: 900; }
ul, ol { padding-left: 1.3em; }
hr { border: 0; border-top: 2px solid var(--line); margin: 18px 0; }
code, .mono { font-family: var(--mono); }
code { background: var(--code-bg); color: var(--code-text); padding: 1px 6px; border-radius: 6px; font-size: .92em; font-weight: 600; }
summary { cursor: pointer; }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 6px; }

/* Hilfsklassen (auch von Inhalten genutzt) */
.hl { color: var(--brand-ink); font-weight: 900; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.hidden { display: none !important; }
.spacer { flex: 1; }
.mitte { text-align: center; justify-content: center; }
.links { text-align: left; }
.eyebrow { text-transform: uppercase; letter-spacing: .1em; font-size: .78rem; font-weight: 900; color: var(--muted); margin-bottom: 4px; }

/* Bewegung reduzieren: alles Wesentliche bleibt, nur ohne Animation */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; animation-delay: 0s !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}