/* ==========================================================================
   Basis: Schriften, Reset, Grundtypografie, Container, Hilfsklassen
   ========================================================================== */

/* Schriften (lokal gehostet, OFL-lizenziert) ------------------------------ */
@font-face {
  font-family: "Hanken Grotesk";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/hanken-grotesk-latin-wght-normal.woff2") format("woff2");
}

@font-face {
  font-family: "Instrument Serif";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/instrument-serif-latin-400-italic.woff2") format("woff2");
}

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

* {
  margin: 0;
}

html {
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

main {
  overflow-x: clip;
}

[hidden] {
  display: none !important;
}

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

img,
video {
  height: auto;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

/* :where() hält die Spezifität bei 0, damit Komponenten eigene Abstände setzen können */
:where(ul[role="list"], ol[role="list"]) {
  list-style: none;
  padding: 0;
}

h1,
h2,
h3,
h4 {
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

strong {
  font-weight: 600;
}

:focus-visible {
  outline: 3px solid var(--c-green-400);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: var(--c-mint-100);
  color: var(--c-ink);
}

/* Layout -------------------------------------------------------------------- */
.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - 2 * var(--gutter), var(--container-narrow));
  margin-inline: auto;
}

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

.section--surface {
  background: var(--c-surface);
}

/* Kopfbereich einer Sektion: Eyebrow, H2, Einleitung */
.section-head {
  display: grid;
  justify-items: start;
  gap: var(--space-4);
  max-width: 48rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-head--center {
  justify-items: center;
  margin-inline: auto;
  text-align: center;
}

.section-head h2 {
  font-size: var(--fs-h2);
}

.section-head > p:not(.eyebrow) {
  max-width: 40rem;
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--c-text-muted);
}

/* Kursive Serifen-Akzentwörter in Überschriften */
.accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.08em;
  letter-spacing: -0.005em;
  color: var(--c-green-600);
}

/* Hilfsklassen ---------------------------------------------------------------- */
.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: absolute;
  top: -100px;
  left: var(--gutter);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--r-sm);
  background: var(--c-ink);
  color: var(--c-white);
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-4);
}

.text-link {
  color: var(--c-green-700);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur-fast);
}

.text-link:hover {
  color: var(--c-ink);
}

/* Einblenden beim Scrollen (nur mit JavaScript aktiv) -------------------------- */
/* Fade-in-up; die Hover-Übergänge der Karten (translate, box-shadow, border-color) bleiben erhalten */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--dur-reveal) var(--ease-reveal) var(--delay, 0ms),
    transform var(--dur-reveal) var(--ease-reveal) var(--delay, 0ms),
    translate 350ms var(--ease-out),
    box-shadow 350ms var(--ease-out),
    border-color 250ms;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Sicherheitsnetz: Startet main.js nicht, wird nach 2,5 s trotzdem alles sichtbar */
.js:not(.js-ready) [data-reveal] {
  animation: reveal-fallback 0s 2.5s forwards;
}

@keyframes reveal-fallback {
  to {
    opacity: 1;
    transform: none;
  }
}

/* Reduzierte Bewegung: alle Animationen aus ------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  /* statt Bewegung nur ein sanftes Einblenden */
  .js [data-reveal] {
    transform: none;
    transition: opacity 500ms ease-out !important;
  }
}