/* bfsg.info – Barriere melden bei der MLBF */

/* Atkinson Hyperlegible – lokal gehostet (SIL Open Font License 1.1, siehe fonts/OFL.txt), kein Drittanbieter-Request */
@font-face {
  font-family: "Atkinson Hyperlegible";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/AtkinsonHyperlegible-Regular.woff2") format("woff2");
}
@font-face {
  font-family: "Atkinson Hyperlegible";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/AtkinsonHyperlegible-Bold.woff2") format("woff2");
}

:root {
  --ink: #15181e;
  --ink-soft: #4a525c;
  --bg: #ffffff;
  --panel: #eef0f3;
  --line: #d4d8de;
  --band: #15181e;
  --band-ink: #ffffff;
  --accent: #134a9e;
  --accent-strong: #0c3471;
  --accent-ink: #ffffff;
  --focus-a: #f5c518;
  --focus-b: #15181e;
  --warn-bg: #fbeef0;
  --warn-bar: #b4233a;
  --warn-tag: #93182d;
  --radius: 6px;
  --measure: 38rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f3f4f6;
    --ink-soft: #c2c9d1;
    --bg: #14171c;
    --panel: #1b2027;
    --line: #313842;
    --band: #0e1116;
    --band-ink: #f3f4f6;
    --accent: #7db4f0;
    --accent-strong: #a9cdf6;
    --accent-ink: #11151b;
    --focus-b: #f3f4f6;
    --warn-bg: #2a1519;
    --warn-bar: #e0667a;
    --warn-tag: #f3a3b0;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Atkinson Hyperlegible", system-ui, sans-serif;
  font-size: clamp(1.0625rem, 0.95rem + 0.6vw, 1.25rem);
  line-height: 1.65;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.75rem 1.25rem;
  text-decoration: none;
  font-weight: 700;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 0; }

a:focus-visible,
button:focus-visible {
  outline: 3px solid transparent;
  box-shadow: 0 0 0 3px var(--focus-a), 0 0 0 6px var(--focus-b);
  border-radius: 2px;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.11em;
  text-underline-offset: 0.18em;
}
a:hover { color: var(--accent-strong); }

.wrap {
  width: 100%;
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Masthead */
.site-header {
  background: var(--band);
  border-bottom: 4px solid var(--accent);
}
.site-header .wrap {
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}
.brand {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--band-ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.brand .dot { color: var(--focus-a); }

/* Hero */
.hero { padding: clamp(2.5rem, 6vw, 4.5rem) 0 2rem; }

h1, h2 {
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 {
  font-size: clamp(2.1rem, 1.3rem + 3.6vw, 3.4rem);
  line-height: 1.12;
  margin: 0 0 1rem;
  max-width: 18ch;
}
.lead {
  font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.45rem);
  color: var(--ink-soft);
  max-width: var(--measure);
  margin: 0 0 2rem;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 1rem; }
.button {
  display: inline-flex;
  align-items: center;
  gap: 0.6ch;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--accent);
  min-height: 44px;
}
.button:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: var(--accent-ink);
}

main { padding-bottom: 4rem; }
section { padding: 2.25rem 0; }
section + section { border-top: 1px solid var(--line); }

h2 {
  font-size: clamp(1.55rem, 1.2rem + 1.3vw, 2.1rem);
  line-height: 1.2;
  margin: 0 0 1rem;
  max-width: 24ch;
}
h3 {
  font-size: 1.2rem;
  margin: 1.75rem 0 0.5rem;
  font-weight: 700;
}
p { max-width: var(--measure); margin: 0 0 1rem; }

ul.plain, ol.steps {
  max-width: var(--measure);
  padding-left: 0;
  margin: 0 0 1rem;
  list-style: none;
}
ul.plain li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.9rem;
}
ul.plain li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 0.62rem;
  height: 0.62rem;
  background: var(--accent);
}

/* Wichtig-Kasten */
.callout {
  background: var(--warn-bg);
  border: 1px solid var(--warn-bar);
  border-left-width: 6px;
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
}
.callout h2 {
  display: flex;
  align-items: baseline;
  gap: 0.7ch;
  flex-wrap: wrap;
  margin-top: 0;
}
.callout .tag {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--warn-tag);
  border: 2px solid var(--warn-bar);
  border-radius: 3px;
  padding: 0.1rem 0.5rem;
}
.callout ul.plain li::before { background: var(--warn-bar); }
.callout p:last-child { margin-bottom: 0; }

/* Schritte */
ol.steps { counter-reset: step; }
ol.steps li {
  position: relative;
  padding: 0 0 1.5rem 3.5rem;
  min-height: 2.5rem;
}
ol.steps li:last-child { padding-bottom: 0; }
ol.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 1.15rem;
}
ol.steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.2rem;
  top: 2.6rem;
  bottom: 0.4rem;
  width: 2px;
  background: var(--line);
}

/* Kontakt-Fuss */
.site-footer {
  background: var(--panel);
  border-top: 1px solid var(--line);
  padding: 2.5rem 0;
}
.contact-card h2 { margin-top: 0; }
.contact-card address {
  font-style: normal;
  margin: 0 0 1.25rem;
  max-width: var(--measure);
}
.contact-card dl { margin: 0; display: grid; gap: 0.4rem; }
.contact-card .label { font-weight: 700; color: var(--ink-soft); }
.meta {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.project {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}