/* Unterrichta – öffentliche Startseite */

:root {
  --papier:      #FBFAF7;
  --papier-tief: #F2F0EA;
  --weiss:       #FFFFFF;
  --tinte:       #23282C;
  --tinte-tief:  #12161A;
  --tinte-hell:  #666D74;
  --linie:       #E2DFD7;
  --linie-stark: #CDC8BC;
  --gelb:        #EFC534;
  --gelb-hell:   #FBEEBC;
  --gruen:       #2F7A5A;
  --rot:         #B23A2B;

  --serif: "Source Serif 4", Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;

  --rand: 1.25rem;
}

@media (min-width: 40rem) { :root { --rand: 2rem; } }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--papier);
  color: var(--tinte);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 0.55em; text-wrap: balance; overflow-wrap: break-word; hyphens: auto; }
h1 { font-size: clamp(1.85rem, 4.4vw, 3.25rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2rem); }
h3 { font-size: 1.08rem; letter-spacing: -0.005em; }

p { margin: 0 0 1em; text-wrap: pretty; }
a { color: var(--tinte); text-decoration-thickness: 1px; text-decoration-color: var(--linie-stark); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--gelb); color: var(--tinte-tief); }
:focus-visible { outline: 3px solid var(--tinte); outline-offset: 2px; border-radius: 2px; }
img, svg { max-width: 100%; }

.huelle { width: 100%; max-width: 66rem; margin-inline: auto; padding-inline: var(--rand); }
.nur-sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- Kopf ---------- */

.kopf { padding-block: 1.1rem; border-bottom: 1px solid var(--linie); background: var(--papier); }
.kopf-innen { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.marke { display: inline-flex; align-items: center; gap: 0.65rem; text-decoration: none; }
.marke img { display: block; width: 2.4rem; height: 2.4rem; flex: none; }
.marke-text { display: flex; flex-direction: column; line-height: 1.15; }
.marke-name { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; letter-spacing: -0.025em; }
.marke-zusatz { font-size: 0.75rem; color: var(--tinte-hell); }

.kopf-status {
  font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500;
  color: var(--tinte);
  padding: 0.32rem 0.7rem;
  border: 1px solid var(--linie-stark);
  border-radius: 999px;
  background: var(--weiss);
  white-space: nowrap;
}

/* ---------- Hero ---------- */

.hero { padding-block: clamp(2.25rem, 6vw, 4.5rem) clamp(2.5rem, 6vw, 4.5rem); }
.hero-innen { display: grid; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }
.hero-text { display: flex; flex-direction: column; }

@media (min-width: 58rem) {
  .hero-innen { grid-template-columns: minmax(0, 1fr) minmax(0, 24.5rem); align-items: stretch; }
  /* Schritte-Leiste an den unteren Rand: linke Spalte endet auf Höhe des Formulars */
  .schritte { margin-top: auto; }
}

.augenbraue {
  font-size: 0.76rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600;
  color: var(--tinte-hell); margin: 0 0 1.1rem;
  display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap;
}
.augenbraue::before { content: ""; width: 1.6rem; height: 2px; background: var(--gelb); flex: none; }

.hero h1 { margin-bottom: 0.4em; max-width: 18ch; }
.hero h1 .leise { display: block; color: var(--tinte-hell); }

.leitsatz { font-size: clamp(1.08rem, 1.6vw, 1.22rem); color: var(--tinte-hell); max-width: 42ch; margin-bottom: 1.6rem; }

.beleg { list-style: none; margin: 0 0 2.25rem; padding: 0; display: grid; gap: 0.6rem; font-size: 1rem; max-width: 44ch; }
.beleg li { padding-left: 1.65rem; position: relative; }
.beleg li::before {
  content: ""; position: absolute; left: 0; top: 0.5em;
  width: 0.8rem; height: 0.42rem;
  border-left: 2px solid var(--gruen); border-bottom: 2px solid var(--gruen);
  transform: rotate(-45deg);
}

.schritte {
  list-style: none; margin: 0; padding: 1.25rem 0 0;
  border-top: 1px solid var(--linie);
  display: grid; gap: 0.9rem;
  font-size: 0.95rem;
}

@media (min-width: 34rem) {
  .schritte { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
}

.schritte li { display: flex; gap: 0.65rem; align-items: flex-start; color: var(--tinte-hell); }
.schritte .nr {
  flex: none; width: 1.5rem; height: 1.5rem; border-radius: 999px;
  background: var(--gelb-hell); border: 1px solid var(--gelb);
  color: var(--tinte); font-size: 0.78rem; font-weight: 600;
  display: grid; place-items: center; margin-top: 0.1rem;
}

/* ---------- Formular ---------- */

.anmeldung {
  background: var(--weiss);
  border: 1px solid var(--linie-stark);
  border-top: 3px solid var(--gelb);
  border-radius: 6px;
  padding: 1.5rem 1.35rem 1.35rem;
  box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 18px 36px -24px rgba(20,16,8,.4);
}

.anmeldung h2 { font-size: 1.3rem; margin-bottom: 0.35rem; }
.anmeldung .vorspann { font-size: 0.92rem; color: var(--tinte-hell); margin-bottom: 1rem; }

.plaetze { margin: 0 0 1.15rem; }
.plaetze-balken { height: 6px; border-radius: 999px; background: var(--papier-tief); overflow: hidden; border: 1px solid var(--linie); }
.plaetze-balken span { display: block; height: 100%; background: var(--gelb); }
.plaetze p { margin: 0.5rem 0 0; font-size: 0.8rem; color: var(--tinte-hell); }

.feld { display: grid; gap: 0.3rem; margin-bottom: 0.85rem; }
.feld label { font-size: 0.86rem; font-weight: 600; }
.feld .freiwillig { font-weight: 400; color: var(--tinte-hell); }
.feld input {
  font: inherit; font-size: 1rem;
  min-height: 2.9rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--linie-stark);
  border-radius: 4px;
  background: var(--papier);
  color: var(--tinte);
  width: 100%;
}
.feld input::placeholder { color: #9AA0A6; }
.feld input:focus { background: var(--weiss); }

.zustimmung { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.84rem; color: var(--tinte-hell); margin-bottom: 1.15rem; line-height: 1.5; cursor: pointer; }
.zustimmung input { margin-top: 0.2rem; flex: none; width: 1.15rem; height: 1.15rem; accent-color: var(--tinte); }

.knopf {
  display: block; width: 100%;
  font: inherit; font-weight: 600; font-size: 1.02rem;
  min-height: 3rem;
  padding: 0.8rem 1.4rem;
  border: 1px solid var(--tinte);
  background: var(--tinte); color: var(--papier);
  border-radius: 4px; cursor: pointer; text-align: center; text-decoration: none;
  transition: background-color 160ms ease, transform 120ms ease;
}
.knopf:hover { background: var(--tinte-tief); }
.knopf:active { transform: translateY(1px); }

.kleingedruckt { font-size: 0.79rem; color: var(--tinte-hell); margin: 0.85rem 0 0; line-height: 1.5; }
.falle { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Meldungen ---------- */

.meldung {
  border: 1px solid var(--linie-stark);
  border-left: 3px solid var(--gruen);
  background: var(--weiss);
  padding: 0.9rem 1.1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}
.meldung.fehler { border-left-color: var(--rot); }
.meldung p { margin: 0; font-size: 0.93rem; }
.meldung strong { display: block; margin-bottom: 0.1rem; }

/* ---------- Abschnitte ---------- */

.abschnitt { padding-block: clamp(2.75rem, 6vw, 4.5rem); border-top: 1px solid var(--linie); }
.abschnitt-hell { background: var(--papier-tief); }
.abschnitt-kopf { max-width: 46ch; margin-bottom: clamp(2rem, 4vw, 2.75rem); }
.abschnitt-kopf p { color: var(--tinte-hell); margin-bottom: 0; }

/* ---------- Werkzeuggruppen ---------- */

.gruppen { display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr); }

@media (min-width: 40rem) {
  .gruppen { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
}

.gruppe {
  background: var(--weiss);
  border: 1px solid var(--linie);
  border-radius: 6px;
  padding: 1.25rem 1.35rem 1.35rem;
}
.gruppe h3 { margin-bottom: 0.85rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--linie); }
.gruppe ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; font-size: 0.95rem; color: var(--tinte-hell); }
.gruppe li { display: flex; gap: 0.5rem; align-items: baseline; }

.ki {
  flex: none;
  font-size: 0.64rem; font-weight: 600; letter-spacing: 0.07em;
  padding: 0.1rem 0.35rem;
  background: var(--gelb-hell);
  border: 1px solid var(--gelb);
  border-radius: 3px;
  color: var(--tinte);
}

.hinweis { margin-top: 1.75rem; font-size: 0.92rem; color: var(--tinte-hell); max-width: 58ch; }

/* ---------- Vorteile ---------- */

.vorteile { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }

@media (min-width: 44rem) {
  .vorteile { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem 2.5rem; }
}

.vorteile li { padding-left: 2rem; position: relative; }
.vorteile li::before {
  content: ""; position: absolute; left: 0; top: 0.42em;
  width: 1.05rem; height: 0.55rem;
  border-left: 2.5px solid var(--gruen); border-bottom: 2.5px solid var(--gruen);
  transform: rotate(-45deg);
}
.vorteile strong { display: block; margin-bottom: 0.15rem; }
.vorteile span { color: var(--tinte-hell); font-size: 0.95rem; }

.zurueck-zur-anmeldung { margin-top: clamp(2rem, 4vw, 2.75rem); margin-bottom: 0; }
.zurueck-zur-anmeldung a {
  display: inline-flex; align-items: center; gap: 0.5rem;
  min-height: 2.9rem; padding: 0.55rem 1.3rem;
  border: 1px solid var(--tinte); border-radius: 4px;
  background: var(--tinte); color: var(--papier);
  font-weight: 600; font-size: 1rem; text-decoration: none;
}
.zurueck-zur-anmeldung a:hover { background: var(--tinte-tief); color: var(--papier); }

/* ---------- Sanftes Einblenden ---------- */

.zeigen { opacity: 0; transform: translateY(12px); transition: opacity 600ms ease, transform 600ms ease; }
.zeigen.da { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .zeigen { opacity: 1; transform: none; }
}

/* ---------- Fuß ---------- */

.fuss { border-top: 1px solid var(--linie); background: var(--papier-tief); padding-block: 2rem; font-size: 0.88rem; }
.fuss-innen { display: flex; flex-wrap: wrap; gap: 0.75rem 2rem; justify-content: space-between; align-items: center; }
.fuss p { color: var(--tinte-hell); margin: 0; }
.fuss-nav { display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; }

/* ---------- Rechtstexte ---------- */

.rechtstext { padding-block: clamp(2rem, 5vw, 3.5rem); max-width: 46rem; }
.rechtstext h2 { font-size: 1.25rem; margin-top: 2.25rem; }
.rechtstext h2:first-of-type { margin-top: 1.25rem; }
.rechtstext ul { padding-left: 1.2rem; }
.rechtstext li { margin-bottom: 0.4rem; }
.luecke { background: var(--gelb-hell); padding: 0 0.25rem; border-radius: 2px; }

@media (max-width: 26rem) {
  .marke-zusatz { display: none; }
  .kopf-status { font-size: 0.65rem; padding: 0.28rem 0.55rem; letter-spacing: 0.08em; }
}