/* ==========================================================================
   jordanweb.de v2 — Base
   Reset, Typografie, Layout-Primitives, Motion-Grundregeln.
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  background: var(--color-bg);
  color: var(--color-ink);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
ul[role="list"], ol[role="list"] { list-style: none; }

::selection { background: var(--cyan-400); color: var(--blue-950); }

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--r-sm);
}

/* ---- Typografie ---------------------------------------------------------- */

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: var(--lh-tight);
  text-wrap: balance;
  color: var(--blue-900);
}

h1 { font-size: var(--fs-display); letter-spacing: var(--ls-display); }
h2 { font-size: var(--fs-3xl); letter-spacing: -0.02em; }
h3 { font-size: var(--fs-lg); font-weight: 600; line-height: 1.3; }
h4 { font-family: var(--font-sans); font-weight: 400; font-size: var(--fs-md); }

p { max-width: var(--measure); text-wrap: pretty; }

.lead { font-size: var(--fs-md); color: var(--ink-700); }
.meta { font-size: var(--fs-sm); color: var(--ink-500); }

em { font-style: italic; }
strong { font-weight: 600; font-family: var(--font-serif); font-size: 0.98em; }

/* Auf dunklem Grund: hellere Typo, etwas mehr Zeilenhoehe */
.on-dark {
  background: var(--blue-950);
  color: var(--on-dark);
  line-height: calc(var(--lh-base) + 0.08);
}
.on-dark :is(h1, h2, h3) { color: var(--on-dark); }
.on-dark .lead, .on-dark .meta { color: var(--on-dark-muted); }
.on-dark ::selection { background: var(--cyan-400); color: var(--blue-950); }

/* ---- Layout --------------------------------------------------------------- */

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.container--narrow { max-width: 46rem; }

.section { padding-block: var(--sp-section); }
.section--sm { padding-block: var(--sp-section-sm); }

.stack > * + * { margin-block-start: var(--sp-4); }
.stack--lg > * + * { margin-block-start: var(--sp-6); }

/* ---- Prose (Blog, Case Studies, Rechtstexte) -------------------------------- */

.prose { max-width: var(--measure); }
.prose > * + * { margin-block-start: var(--sp-4); }
.prose h2 { font-size: var(--fs-xl); margin-block-start: var(--sp-7); }
.prose h3 { margin-block-start: var(--sp-6); }
.prose ul, .prose ol { padding-inline-start: 1.25rem; }
.prose li + li { margin-block-start: var(--sp-2); }
.prose blockquote {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--fs-md);
  border-block: 1px solid var(--line);
  padding-block: var(--sp-5);
  color: var(--blue-900);
}
.prose blockquote cite {
  display: block;
  margin-block-start: var(--sp-3);
  font-family: var(--font-sans);
  font-weight: 400;
  font-style: normal;
  font-size: var(--fs-sm);
  color: var(--ink-500);
}
.prose code {
  font-family: ui-monospace, monospace;
  font-size: 0.9em;
  background: var(--blue-100);
  padding: 0.1em 0.35em;
  border-radius: var(--r-sm);
}

/* ---- Hilfsklassen ------------------------------------------------------------ */

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  inset-inline-start: var(--sp-4);
  inset-block-start: -3rem;
  z-index: var(--z-toast);
  background: var(--blue-900);
  color: var(--on-dark);
  padding: var(--sp-2) var(--sp-4);
  border-radius: 0 0 var(--r-md) var(--r-md);
  transition: inset-block-start var(--dur-1) var(--ease-out);
}
.skip-link:focus-visible { inset-block-start: 0; }

/* Honeypot: fuer Menschen unsichtbar, muss leer bleiben */
.hp-field {
  position: absolute;
  inset-inline-start: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* ---- Scroll-Reveal (Enhancement, nie Sichtbarkeits-Gate) -----------------------
   Ohne JS ist alles sichtbar. Erst html.js versetzt .fade-up in den
   Ausgangszustand; IntersectionObserver setzt .in. */

html.js .fade-up {
  opacity: 0;
  translate: 0 18px;
  transition:
    opacity var(--dur-3) var(--ease-out),
    translate var(--dur-3) var(--ease-out);
}
html.js .fade-up.in { opacity: 1; translate: 0 0; }
html.js .fade-up.d1 { transition-delay: 90ms; }
html.js .fade-up.d2 { transition-delay: 180ms; }
html.js .fade-up.d3 { transition-delay: 270ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .fade-up { opacity: 1; translate: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}