/* Ref4EP - gemeinsame Gestaltung.
 * Aus index.html herausgeloest, damit Startseite, Rechtsseiten und der
 * Bereich Software dieselbe Grundlage nutzen. Inhalt unveraendert;
 * Ergaenzungen stehen am Dateiende ab "Bereich Software".
 */

:root {
  --blue-950: #06213f;
  --blue-900: #082a4d;
  --blue-800: #0a3563;
  --blue-700: #00549f;
  --blue-500: #1376c8;
  --blue-100: #e8f2fb;
  --cyan-300: #9ed8ff;
  --green-500: #25a66a;
  --orange-500: #f59e0b;
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #10243b;
  --muted: #5d7188;
  --line: #d9e4ef;
  --shadow: 0 18px 45px rgba(6, 33, 63, .12);
  --radius: 22px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; }
.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  background: white;
  padding: .75rem 1rem;
  border-radius: 999px;
  z-index: 999;
}
.skip-link:focus { left: 1rem; }

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(217,228,239,.85);
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: .9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: .8rem;
  text-decoration: none;
  font-weight: 800;
  color: var(--blue-950);
  letter-spacing: .02em;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-950));
  box-shadow: 0 10px 25px rgba(0,84,159,.25);
}
nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  margin: 0;
  padding: 0;
  justify-content: flex-end;
}
nav a {
  text-decoration: none;
  color: var(--blue-900);
  padding: .55rem .8rem;
  border-radius: 999px;
  font-size: .94rem;
}
nav a:hover, nav a:focus-visible { background: var(--blue-100); outline: none; }

.hero {
  background:
    radial-gradient(circle at 12% 12%, rgba(158,216,255,.42), transparent 26rem),
    radial-gradient(circle at 82% 20%, rgba(37,166,106,.16), transparent 24rem),
    linear-gradient(135deg, var(--blue-950), var(--blue-800));
  color: white;
  overflow: hidden;
}
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 6rem 1.25rem 5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  gap: 3rem;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .35rem .75rem;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 999px;
  color: #d8ecff;
  background: rgba(255,255,255,.08);
  font-weight: 700;
  font-size: .9rem;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  line-height: 1.03;
  margin: 1.25rem 0 1rem;
  letter-spacing: -.05em;
}
.hero p {
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  color: #dceeff;
  margin: 0;
  max-width: 760px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2rem;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  text-decoration: none;
  font-weight: 800;
  border-radius: 999px;
  padding: .9rem 1.15rem;
  border: 1px solid transparent;
}
.button-primary { background: white; color: var(--blue-900); }
.button-secondary { border-color: rgba(255,255,255,.36); color: white; }
.hero-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: 0 20px 80px rgba(0,0,0,.18);
}
.hero-card strong {
  display: block;
  font-size: 2.25rem;
  line-height: 1;
  margin: .2rem 0 .4rem;
}
.hero-card .mini {
  color: #d8ecff;
  font-size: .92rem;
  margin: 0;
}
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .9rem;
  margin-top: 1rem;
}
.stat {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255,255,255,.12);
}
.stat span { color: #cfe8ff; font-size: .85rem; }

main section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4.25rem 1.25rem;
}
.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}
h2 {
  color: var(--blue-950);
  font-size: clamp(1.75rem, 3vw, 2.65rem);
  line-height: 1.15;
  margin: 0 0 .9rem;
  letter-spacing: -.035em;
}
.section-heading p { color: var(--muted); font-size: 1.08rem; margin: 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: 0 8px 25px rgba(6,33,63,.055);
}
.card h3 { margin: 0 0 .55rem; color: var(--blue-950); line-height: 1.25; }
.card p { margin: 0; color: var(--muted); }
.card .tag {
  display: inline-flex;
  margin-bottom: .85rem;
  border-radius: 999px;
  padding: .25rem .6rem;
  font-size: .78rem;
  font-weight: 800;
  color: var(--blue-900);
  background: var(--blue-100);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 1.25rem;
  align-items: stretch;
}
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}
.timeline {
  display: grid;
  gap: 1rem;
}
.timeline-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}
.timeline-date {
  font-weight: 900;
  color: var(--blue-700);
}

.partners {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .9rem;
}
.partner {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
  min-height: 148px;
}
.partner b {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  color: white;
  background: var(--blue-700);
  margin-bottom: .8rem;
}
.partner h3 { margin: 0 0 .35rem; font-size: 1rem; color: var(--blue-950); }
.partner p { margin: 0; color: var(--muted); font-size: .92rem; }

.workpackages {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.wp {
  border-left: 5px solid var(--blue-700);
  background: white;
  border-radius: 18px;
  padding: 1.1rem 1.25rem;
  box-shadow: 0 8px 20px rgba(6,33,63,.05);
}
.wp h3 { margin: 0 0 .35rem; color: var(--blue-950); }
.wp p { margin: 0; color: var(--muted); }

.callout {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
  color: white;
  border-radius: calc(var(--radius) + 8px);
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  box-shadow: var(--shadow);
}
.callout h2 { color: white; margin-bottom: .5rem; }
.callout p { color: #dceeff; margin: 0; max-width: 760px; }

footer {
  padding: 2rem 1.25rem 3rem;
  color: var(--muted);
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-inner, .split, .callout { grid-template-columns: 1fr; }
  .cards, .workpackages { grid-template-columns: 1fr; }
  .partners { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav { align-items: flex-start; flex-direction: column; }
  nav ul { justify-content: flex-start; }
}
@media (max-width: 560px) {
  .hero-inner { padding: 4rem 1rem 3rem; }
  main section { padding: 3rem 1rem; }
  .partners { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .callout { padding: 1.35rem; }
}

/* ===================================================================
 * Bereich Software
 *
 * Ergaenzt die bestehende Gestaltung um: Unterseiten-Kopf, Produkt-
 * Kacheln, Merkmalslisten, Bildstrecke mit Bildunterschriften und
 * Download-Block. Alle Klassen sind neu; nichts oben Stehendes wird
 * ueberschrieben.
 * =================================================================== */

/* Unterseiten nutzen denselben Kopf wie die Startseite, aber flacher. */
.subhero {
  background:
    radial-gradient(circle at 12% 18%, rgba(158, 216, 255, .34), transparent 24rem),
    linear-gradient(135deg, var(--blue-950), var(--blue-800));
  color: white;
}
.subhero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.5rem 1.25rem 3rem;
}
.subhero h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -.04em;
  margin: 1rem 0 .9rem;
}
.subhero p.lead {
  font-size: clamp(1.02rem, 1.6vw, 1.22rem);
  color: #dceeff;
  margin: 0;
  max-width: 70ch;
}

/* Brotkrumen-Pfad: zeigt, wo man ist, ohne eine zweite Navigation. */
.breadcrumb {
  font-size: .92rem;
  color: #bcd9f5;
  margin: 0;
}
.breadcrumb a { color: #dceeff; }
.breadcrumb span[aria-hidden] { padding: 0 .4rem; opacity: .6; }

/* Kennzeichnungen im Kopf (Plattform, Version, Stand). */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.4rem;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem .8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .26);
  background: rgba(255, 255, 255, .1);
  color: #eaf5ff;
  font-size: .88rem;
  font-weight: 700;
}

/* Produktkacheln im Software-Ueberblick. */
.software-grid {
  display: grid;
  /* auto-fit statt auto-fill: solange erst wenige Programme gelistet
   * sind, fuellen sie die Breite aus, statt eine leere Spalte offen zu
   * lassen. */
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.1rem;
}
.software-card {
  display: flex;
  flex-direction: column;
  gap: .9rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 8px 25px rgba(6, 33, 63, .055);
}
.software-card h3 {
  margin: 0;
  color: var(--blue-950);
  font-size: 1.35rem;
  line-height: 1.2;
}
.software-card p { margin: 0; color: var(--muted); }
.software-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .8rem;
  font-size: .9rem;
  color: var(--muted);
}
.software-card .actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: auto;
  padding-top: .4rem;
}

/* Kompakte Buttons ausserhalb des dunklen Kopfes. */
.button-solid {
  background: var(--blue-700);
  color: white;
  border-color: var(--blue-700);
}
.button-solid:hover { background: var(--blue-800); border-color: var(--blue-800); }
.button-outline {
  border-color: var(--line);
  color: var(--blue-900);
  background: white;
}
.button-outline:hover { border-color: var(--blue-700); color: var(--blue-700); }
.button-small { padding: .6rem .95rem; font-size: .94rem; }
.button[aria-disabled="true"] {
  opacity: .55;
  cursor: not-allowed;
  pointer-events: none;
}

/* Platzhalter fuer eine noch nicht veroeffentlichte Software. */
.software-card--soon {
  border-style: dashed;
  box-shadow: none;
  background: transparent;
}

/* Merkmalsliste: zwei Spalten, ohne Aufzaehlungspunkte. */
.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: .9rem 1.6rem;
}
.feature-list li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--muted);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .5rem;
  height: .5rem;
  border-radius: 2px;
  background: var(--blue-700);
}
.feature-list b { color: var(--text); font-weight: 700; }

/* Bildstrecke: Abbildung plus erklaerende Unterschrift. */
.figure-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}
.figure-grid--wide { grid-template-columns: 1fr; }
figure.shot {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(6, 33, 63, .055);
  display: flex;
  flex-direction: column;
}
figure.shot img {
  display: block;
  width: 100%;
  height: auto;
  background: #fbfdff;
  border-bottom: 1px solid var(--line);
}
figure.shot figcaption {
  padding: 1rem 1.15rem;
  font-size: .95rem;
  color: var(--muted);
}
figure.shot figcaption b {
  display: block;
  color: var(--blue-950);
  margin-bottom: .25rem;
}

/* Download-Block. */
.download {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}
.download h3 { margin: 0 0 .4rem; color: var(--blue-950); }
.download p { margin: 0; color: var(--muted); }
.download dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: .35rem 1rem;
  margin: 1rem 0 0;
  font-size: .95rem;
}
.download dt { color: var(--muted); }
.download dd { margin: 0; color: var(--text); }

/* Hinweisstreifen (z. B. Download noch nicht verfuegbar). */
.notice {
  /* Bewusst Block statt Flex: der Hinweis enthaelt Links und
   * Code-Schnipsel im Fliesstext; als Flex-Items wuerde jedes davon
   * eine eigene Spalte aufmachen und den Satz zerreissen. */
  display: block;
  padding: .9rem 1.1rem;
  border-radius: 16px;
  border: 1px solid #f0d8a8;
  background: #fdf6e7;
  color: #6b4d09;
  font-size: .96rem;
}
.notice b { color: #573f07; margin-right: .35rem; }

/* Rechtsseiten ohne eigene Sektionen (Impressum, Datenschutz). */
main.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}
main.page h1 { color: var(--blue-950); letter-spacing: -.035em; }
main.page h2 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); margin-top: 2rem; }
main.page h3 { color: var(--blue-900); margin-top: 1.5rem; }
main.page p, main.page li { color: var(--text); }

@media (max-width: 900px) {
  .download { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .subhero-inner { padding: 2.5rem 1rem 2.25rem; }
  .figure-grid { grid-template-columns: 1fr; }
}

/* Pruefsumme im Download-Block: umbrechbar, damit sie auf schmalen
 * Bildschirmen nicht die Seite verbreitert. */
.download dd.hash {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .82rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
  color: var(--muted);
}

.notice code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88em;
  background: rgba(0, 0, 0, .05);
  padding: .1rem .35rem;
  border-radius: 4px;
  overflow-wrap: anywhere;
}

/* Sachlicher Hinweis (blau) neben dem warnenden (bernstein). */
.notice--info {
  border-color: #bcd9f5;
  background: var(--blue-100);
  color: #123f6b;
}
.notice--info b { color: #0a3563; }
.notice--info a { color: #0a3563; }