/* =========================================================================
   Kulturnetzwerk Grimma — style.css
   Vanilla CSS, mobile-first. Keine externen Abhängigkeiten.
   ========================================================================= */

/* ---------- 1. Fonts (self-hosted, SIL OFL 1.1) ---------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/inter-regular.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/inter-semibold.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("assets/fonts/inter-bold.woff2") format("woff2");
}

/* ---------- 2. Design-Tokens ---------- */
:root {
  /* Brand */
  --c-blue:   #0072BC;
  --c-cyan:   #29ABE2;
  --c-purple: #7B2D8E;
  --c-pink:   #EC008C;
  --c-orange: #F7941D;
  --c-green:  #39B54A;

  /* AA-sichere Varianten (dunkler für weiße Schrift bzw. Text auf Weiß) */
  --c-pink-ink:   #C40A7F;  /* 5.68:1 auf weiß — AA */
  --c-green-btn:  #1A7A30;  /* 5.43:1 auf weiß — AA */
  --c-orange-btn: #C76B0A;
  --c-cyan-btn:   #0F7FAE;

  /* Neutrals */
  --c-bg-dark:   #1A0F2E;
  --c-bg-light:  #FAF8F4;
  --c-ink:       #1A1A1A;
  --c-ink-soft:  #4A4A4A;
  --c-hairline:  #E5E0D8;
  --c-white:     #FFFFFF;

  /* Layout */
  --radius-btn: 22px;
  --bar-width: 6px;       /* Signatur-Stripe */
  --card-bar: 22px;       /* Farbbalken links an Cards */
  --container: 1120px;
  --gutter: 1.25rem;

  /* Type */
  --ff-base: "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
             "Helvetica Neue", Arial, sans-serif;
  --ff-heading: "Inter", "Trebuchet MS", system-ui, sans-serif;
}

/* ---------- 3. Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--ff-base);
  font-size: 17px;
  line-height: 1.55;
  color: var(--c-ink);
  background: var(--c-bg-light);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a  { color: var(--c-blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover, a:focus-visible { color: var(--c-purple); }

/* Focus-Ring */
:focus-visible {
  outline: 3px solid var(--c-blue);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Screenreader-only Utility */
.sr-only {
  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 */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--c-ink);
  color: var(--c-white);
  padding: 0.75rem 1rem;
  z-index: 1000;
  text-decoration: none;
  font-weight: 700;
}
.skip-link:focus {
  top: 0;
  color: var(--c-white);
}

/* ---------- 4. Signatur-Gradient-Stripe ---------- */
.stripe {
  display: flex;
  height: var(--bar-width);
  width: 100%;
}
.stripe > span {
  flex: 1 1 0;
  display: block;
}
.stripe > span:nth-child(1) { background: var(--c-blue); }
.stripe > span:nth-child(2) { background: var(--c-cyan); }
.stripe > span:nth-child(3) { background: var(--c-purple); }
.stripe > span:nth-child(4) { background: var(--c-pink); }
.stripe > span:nth-child(5) { background: var(--c-orange); }

/* ---------- 5. Typografie ---------- */
h1, h2, h3 {
  font-family: var(--ff-heading);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.25rem, 7vw + 1rem, 4.5rem); }
h2 { font-size: clamp(1.75rem, 4vw + 0.5rem, 2.75rem); }
h3 { font-size: 1.35rem; }
p  { margin: 0 0 1rem; }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin: 0 0 1rem;
  color: var(--c-ink-soft);
}
.eyebrow--light { color: rgba(255,255,255,0.8); }

/* ---------- 6. Layout-Container ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
main > section {
  padding: 4rem 0;
}
section + section { border-top: 1px solid var(--c-hairline); }

/* ---------- 7. Header ---------- */
.site-header {
  position: relative;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-hairline);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
}
.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--c-ink);
}
.site-header__logo img {
  width: 40px;
  height: auto;
}
.site-header__logo span {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.5px;
}

/* ---------- 8. Hero ---------- */
.hero {
  position: relative;
  background: var(--c-bg-dark);
  color: var(--c-white);
  overflow: hidden;
  padding: 5rem 0 6rem;
}
.hero__inner { position: relative; z-index: 2; max-width: 780px; }
.hero h1 { color: var(--c-white); margin-bottom: 1.25rem; }
.hero__subline {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.88);
  margin-bottom: 2.25rem;
  max-width: 55ch;
}
.hero__accent {
  position: absolute;
  bottom: -30px;
  z-index: 1;
  pointer-events: none;
}
.hero__accent--purple {
  right: -40px;
  width: 280px;
  height: 140px;
  background: rgba(123, 45, 142, 0.5); /* Purple 50% */
}
.hero__accent--pink {
  right: 140px;
  bottom: 60px;
  width: 160px;
  height: 90px;
  background: rgba(236, 0, 140, 0.6);  /* Pink 60% */
}

/* ---------- 9. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  min-height: 48px;           /* Touch-Target ≥ 44px */
  padding: 0.85em 1.6em;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform 120ms ease, background-color 120ms ease,
              border-color 120ms ease;
}
.btn:hover   { transform: translateY(-2px); }
.btn:active  { transform: translateY(0); }
.btn--pink   { background: var(--c-pink-ink); color: var(--c-white); }
.btn--blue   { background: var(--c-blue);     color: var(--c-white); }
.btn--purple { background: var(--c-purple);   color: var(--c-white); }
.btn--green  { background: var(--c-green-btn); color: var(--c-white); }
.btn--ghost  {
  background: transparent; color: var(--c-ink);
  border-color: var(--c-ink);
}
.btn--ghost-light {
  background: transparent; color: var(--c-white);
  border-color: rgba(255,255,255,0.6);
}
.btn--ghost-light:hover { border-color: var(--c-white); background: rgba(255,255,255,0.08); }

/* External-Link-Indikator: inline per <span aria-hidden="true">↗</span> im HTML —
   kein ::after-Pseudo, damit nichts doppelt erscheint. */

/* ---------- 10. "Was wir tun" — Cards ---------- */
.cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
.card {
  position: relative;
  background: var(--c-white);
  border: 1px solid var(--c-hairline);
  padding: 2rem 1.75rem 2rem calc(var(--card-bar) + 1.75rem);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--card-bar);
  background: var(--c-blue);        /* default; wird per Modifier überschrieben */
}
.card--blue::before   { background: var(--c-blue); }
.card--purple::before { background: var(--c-purple); }
.card--pink::before   { background: var(--c-pink); }
.card__num {
  font-family: var(--ff-heading);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.card--blue   .card__num { color: var(--c-blue); }
.card--purple .card__num { color: var(--c-purple); }
.card--pink   .card__num { color: var(--c-pink); }
.card h3 { margin: 0 0 0.5rem; }
.card p  { color: var(--c-ink-soft); margin: 0; }

/* ---------- 11. Mitmachen — Tiles ---------- */
.tiles {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
.tile {
  position: relative;
  background: var(--c-white);
  border: 1px solid var(--c-hairline);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-decoration: none;
  color: var(--c-ink);
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}
.tile::before {
  content: "";
  position: absolute;
  left: 0; top: 0; right: 0;
  height: var(--card-bar);
}
.tile--pink::before   { background: var(--c-pink); }
.tile--green::before  { background: var(--c-green); }
.tile--purple::before { background: var(--c-purple); }
.tile:hover { transform: translateY(-2px); border-color: var(--c-ink); }
.tile__icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  margin-top: 0.75rem;
}
.tile__icon svg { width: 100%; height: 100%; }
.tile h3 { margin: 0; }
.tile p  { color: var(--c-ink-soft); margin: 0; flex: 1; }
.tile__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.tile--pink   .tile__cta { color: var(--c-pink-ink); }
.tile--green  .tile__cta { color: var(--c-green-btn); }
.tile--purple .tile__cta { color: var(--c-purple); }

/* ---------- 12. Über uns ---------- */
.about { background: var(--c-bg-light); }
.section--white { background: var(--c-white); border-top: 1px solid var(--c-hairline); }
.about__inner {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
.about__text p { font-size: 1.05rem; color: var(--c-ink-soft); max-width: 62ch; }
.about__meta {
  background: var(--c-white);
  border: 1px solid var(--c-hairline);
  padding: 1.5rem;
  border-left: var(--card-bar) solid var(--c-blue);
}
.about__meta dt { font-weight: 700; margin-top: 0.75rem; }
.about__meta dt:first-child { margin-top: 0; }
.about__meta dd { margin: 0 0 0.25rem; color: var(--c-ink-soft); }

/* ---------- 13. Footer ---------- */
.site-footer {
  background: var(--c-bg-dark);
  color: var(--c-white);
}
.site-footer__inner {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  padding: 3rem var(--gutter) 2rem;
  max-width: var(--container);
  margin: 0 auto;
}
.site-footer a { color: var(--c-white); text-decoration: underline; }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--c-cyan); }
.site-footer__brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  color: var(--c-white);
  text-decoration: none;
}
.site-footer__brand:hover span,
.site-footer__brand:focus-visible span { color: var(--c-cyan); }
.site-footer__brand img { width: 48px; height: auto; filter: brightness(0) invert(1); }
.site-footer__brand span { font-weight: 700; letter-spacing: 0.5px; }
.site-footer nav ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 1.5rem; flex-wrap: wrap;
}
.site-footer__copy {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  padding: 1rem var(--gutter);
  border-top: 1px solid rgba(255,255,255,0.15);
  max-width: var(--container);
  margin: 0 auto;
}

/* ---------- 14. Sections (textlastig: Impressum/Datenschutz) ---------- */
.prose {
  max-width: 75ch;
  margin: 0 auto;
}
.prose h2 { margin-top: 2.5rem; }
.prose h3 { margin-top: 1.75rem; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: 0.35rem; }
.prose a { color: var(--c-blue); }
.prose small { color: var(--c-ink-soft); font-size: 0.9rem; }
.prose__meta {
  background: var(--c-white);
  border: 1px solid var(--c-hairline);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-left: var(--card-bar) solid var(--c-blue);
}

/* ---------- 15. Cookie-Banner ---------- */
#cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--c-bg-dark);
  color: var(--c-white);
  padding: 1rem var(--gutter);
  z-index: 100;
  display: none;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
}
#cookie-banner.is-visible { display: block; }
#cookie-banner .inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
}
#cookie-banner p { margin: 0; font-size: 0.95rem; flex: 1 1 240px; }
#cookie-banner a { color: var(--c-cyan); }

/* ---------- 16. Breakpoints ---------- */
@media (min-width: 768px) {
  body { font-size: 18px; }
  main > section { padding: 5.5rem 0; }
  .cards  { grid-template-columns: repeat(3, 1fr); }
  .tiles  { grid-template-columns: repeat(3, 1fr); }
  .about__inner { grid-template-columns: 2fr 1fr; align-items: start; }
  .site-footer__inner { grid-template-columns: auto 1fr; align-items: center; }
  .site-footer nav ul { justify-content: flex-end; }
  .hero { padding: 7rem 0 8rem; }
  .hero__accent--purple { width: 360px; height: 180px; }
  .hero__accent--pink   { width: 220px; height: 120px; }
}
@media (min-width: 1024px) {
  .hero { padding: 9rem 0 10rem; }
}

/* ---------- 17. Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 18. Print ---------- */
@media print {
  .hero__accent, #cookie-banner, .site-footer { display: none; }
  body { color: #000; background: #fff; }
}