/* Klugscheißerwissen – CI Beinhauer IT (Archivo, Nachtblau, CI-Grün, Papier, scharfe Kanten),
   Karteikarten mit grünem Heftrand und Textmarker in CI-Grün als Augenzwinkern */
@font-face { font-family: "Archivo"; src: url("fonts/archivo-var.woff2") format("woff2"); font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; }

:root {
  --papier: #f4f1ea;
  --papier-2: #ebe6db;
  --karte: #fbfaf6;
  --tinte: #0d1c28;
  --nacht: #071b2a;
  --leise: #4f5c66;
  --linie: #cfc8b9;
  --gruen: #88bd24;        /* CI-Grün, nur Fläche */
  --gruen-schrift: #13220a;
  --gruen-text: #3f6a07;   /* Grün als Text auf hell */
  --gruen-hell: #e9f0d8;
  --blau: #0a3c5f;
  --rotstift: #b3261e;     /* nur für den Irrtum-Stempel */
  --breite: 1100px;
  --rand: 16px;
}
* { box-sizing: border-box; }
html { font-size: 112.5%; }
body { margin: 0; color: var(--tinte); background: var(--papier); font: 400 1rem/1.6 "Archivo", "Helvetica Neue", Arial, sans-serif; }
h1, h2, h3 { font-family: "Archivo", sans-serif; font-weight: 800; font-stretch: 118%; letter-spacing: -.025em; line-height: 1.08; color: var(--nacht); margin: 0 0 .4em; }
h1 { font-size: clamp(2.2rem, 1.4rem + 3.4vw, 3.8rem); }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); }
h3 { font-size: 1.2rem; letter-spacing: -.015em; }
p { margin: 0 0 1em; }
a { color: var(--blau); text-underline-offset: .15em; }
:focus-visible { outline: 3px solid var(--gruen); outline-offset: 3px; }
.wrap { max-width: var(--breite); margin: 0 auto; padding: 0 var(--rand); }
.marker { background: linear-gradient(transparent 58%, var(--gruen) 58% 92%, transparent 92%); padding: 0 .08em; }
.unsichtbar { position: absolute; left: -9999px; }

/* Kopf */
.kopf { background: #fff; border-bottom: 1px solid var(--linie); }
.kopf .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: .75rem; }
.logo { display: flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--nacht); font: 800 1.3rem/1 "Archivo", sans-serif; font-stretch: 118%; letter-spacing: -.025em; }
.logo svg { width: 2.2rem; height: 2.2rem; flex: none; transition: transform .2s ease; transform-origin: 50% 90%; }
.logo:hover svg { transform: rotate(-8deg); }
.logo em { font-style: normal; font-weight: 400; color: var(--gruen-text); }
.nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.nav a { color: var(--nacht); font-weight: 700; text-decoration: none; padding-block: .2rem; border-bottom: 3px solid transparent; }
.nav a:hover, .nav a[aria-current] { border-bottom-color: var(--gruen); }

/* Knöpfe */
.knopf { display: inline-flex; align-items: center; gap: .5rem; min-height: 50px; padding: .55rem 1.3rem; font: 700 1rem/1.2 "Archivo", sans-serif; color: var(--gruen-schrift); background: var(--gruen); border: 2px solid var(--gruen); border-radius: 0; cursor: pointer; text-decoration: none; transition: background .12s ease, transform .1s ease; }
.knopf:hover { background: #a3d43f; border-color: #a3d43f; }
.knopf:active { transform: translateY(1px); }
.knopf-leise { background: transparent; color: var(--nacht); border-color: var(--nacht); }
.knopf-leise:hover { background: var(--papier-2); border-color: var(--nacht); }

/* Einstieg mit Wissen des Tages */
.einstieg { padding: clamp(2rem, 5vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem); }
.einstieg .wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.einstieg .lead { font-size: 1.15rem; color: var(--leise); max-width: 30em; }
.tages-titel { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--gruen-text); margin-bottom: .6rem; }

/* Karteikarte */
.karte {
  position: relative; background: var(--karte); border: 1px solid var(--linie); border-top: 4px solid var(--nacht);
  padding: 1.3rem 1.5rem 1.1rem 2.3rem;
  background-image: linear-gradient(to right, transparent 1.3rem, var(--gruen) 1.3rem calc(1.3rem + 3px), transparent calc(1.3rem + 3px));
}
.karte-kopf { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--leise); margin-bottom: .6rem; }
.karte-kopf a { color: inherit; text-decoration: none; }
.karte-kopf a:hover { color: var(--blau); text-decoration: underline; }
.karte h3 { font-size: 1.3rem; }
.karte p { margin-bottom: .8rem; }
.karte .quelle { font-size: .8rem; color: var(--leise); margin: 0; line-height: 1.5; }
.karte-gross { background-color: #fff; border-top-width: 6px; padding: 1.6rem 1.8rem 1.4rem 2.6rem; }
.karte-gross h3 { font-size: clamp(1.45rem, 1.2rem + 1.1vw, 2rem); }
.karte-gross p { font-size: 1.12rem; }
.karte.wechsel { animation: umblaettern .3s ease; }
@keyframes umblaettern { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.karte-knoepfe { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }
.stempel { position: absolute; top: -.85rem; right: 1rem; transform: rotate(5deg); font: 800 .8rem/1 "Archivo", sans-serif; font-stretch: 118%; letter-spacing: .1em; text-transform: uppercase; color: var(--rotstift); border: 2px solid var(--rotstift); padding: .3rem .55rem; background: #fff; }

/* Abschnitte */
section { padding: clamp(2rem, 5vw, 3.5rem) 0; }
.band { background: var(--papier-2); }
.abschnitt-kopf { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.4rem; }

.kategorien { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1rem; list-style: none; padding: 0; margin: 0; }
.kategorien a { display: block; height: 100%; background: var(--karte); border: 1px solid var(--linie); padding: 1rem 1.1rem; text-decoration: none; color: var(--tinte); transition: border-color .12s ease, transform .12s ease; }
.kategorien a:hover { border-color: var(--nacht); transform: translateY(-2px); }
.kategorien strong { display: block; font: 800 1.1rem/1.2 "Archivo", sans-serif; font-stretch: 112%; color: var(--nacht); margin-bottom: .2rem; }
.kategorien span { color: var(--leise); font-size: .9rem; }
.kategorien .farbe { display: block; height: 5px; margin: -1rem -1.1rem .9rem; }

.stapel { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.2rem; list-style: none; padding: 0; margin: 0; }
.stapel .karte { height: 100%; scroll-margin-top: 1rem; }
.stapel .karte:target { outline: 4px solid var(--gruen); outline-offset: 3px; }

.kat-kopf { padding: clamp(2rem, 5vw, 3.5rem) 0 0; }
.kat-kopf p { color: var(--leise); max-width: 36em; font-size: 1.1rem; }

/* Text- und Formularseiten */
.text { padding: clamp(2rem, 5vw, 3.5rem) 0; }
.text .blatt { background: #fff; border: 1px solid var(--linie); border-top: 6px solid var(--nacht); padding: clamp(1.2rem, 4vw, 2.5rem); max-width: 46rem; }
.text h2 { font-size: 1.25rem; margin-top: 1.6em; }
.formular { display: grid; gap: 1.1rem; }
.formular label { display: block; font-weight: 700; margin-bottom: .3rem; }
.formular .hilfe { font-weight: 400; font-size: .85rem; color: var(--leise); }
.formular input, .formular textarea, .formular select { width: 100%; font: inherit; padding: .65rem .8rem; border: 2px solid #857c6c; border-radius: 0; background: #fff; color: var(--tinte); min-height: 50px; }
.formular textarea { min-height: 8rem; }
.formular .haken { display: flex; gap: .7rem; align-items: flex-start; font-weight: 400; }
.formular .haken input { width: 1.3rem; min-height: 1.3rem; height: 1.3rem; flex: none; margin-top: .2rem; }
.meldung { padding: .9rem 1.1rem; border-left: 6px solid var(--gruen); background: var(--gruen-hell); }
.meldung.fehler { border-left-color: var(--rotstift); background: #fbe4e2; }
.knopf[disabled] { opacity: .6; cursor: wait; }

/* Fuß */
.fuss { background: var(--nacht); color: #c5d0d8; padding: 2rem 0; font-size: .9rem; margin-top: 2rem; }
.fuss a { color: #fff; }
.fuss .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
.fuss p { margin: 0 0 .3em; }

@media (max-width: 800px) {
  .einstieg .wrap { grid-template-columns: 1fr; }
  .karte, .karte-gross { padding-left: 2.1rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}