/* Persoenlicher Look: schwarz-weiss mit Neonblau. Keine externen Schriften,
   keine CDNs. Inter nur, wenn es lokal installiert ist, sonst system-ui. */

:root {
  --ink: #0B0D10;
  --anthra: #232A33;
  --blue: #00A3FF;
  --blue-soft: #E6F5FF;
  --blue-line: #B9E2FF;
  --surface: #F3F6F9;
  --line: #DEE5EC;
  --muted: #5A6673;
  --weiss: #fff;
  --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: Inter, "Inter Display", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--weiss);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: #0077BE; }
a:hover { color: var(--ink); }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 16px; z-index: 10;
}
.skip:focus { left: 0; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.schmal { max-width: 760px; }

/* ---------- Kopfband ---------- */

.band {
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 56px 0 44px;
}
.band::after {
  content: "";
  position: absolute; right: -120px; top: -160px;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,163,255,.30) 0%, rgba(0,163,255,0) 68%);
  pointer-events: none;
}
.band-kurz { padding: 40px 0 32px; }
.band-inner { position: relative; }

.eyebrow {
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  font-weight: 600; color: var(--blue); margin-bottom: 14px;
}
.band h1 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.1; font-weight: 700; letter-spacing: -.02em;
  max-width: 22ch;
}
.lede {
  margin-top: 16px; font-size: 17px; line-height: 1.5;
  color: #C4CDD8; max-width: 62ch;
}
.rule { height: 5px; background: var(--blue); }

/* ---------- Zweispalter ---------- */

.cols {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 40px;
  align-items: start;
  padding-top: 40px;
  padding-bottom: 56px;
}
.h-klein {
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); font-weight: 700; margin-bottom: 16px;
}

ul.checks { list-style: none; }
ul.checks li {
  position: relative; padding-left: 26px; margin-bottom: 14px;
  color: var(--anthra); font-size: 16.5px; line-height: 1.5;
}
ul.checks li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 10px; height: 10px; background: var(--blue); border-radius: 2px;
}

.vorschau {
  margin-top: 28px; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--surface); max-width: 400px;
}
.vorschau img { display: block; width: 100%; height: auto; }

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

.karte {
  border: 1px solid var(--blue-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--weiss);
  box-shadow: 0 10px 30px rgba(11, 13, 16, .07);
}
.karte-kopf {
  background: var(--blue-soft);
  border-bottom: 1px solid var(--blue-line);
  padding: 22px 24px 20px;
}
.karte-kopf h2 { font-size: 21px; font-weight: 700; letter-spacing: -.01em; }
.karte-sub { margin-top: 6px; font-size: 14.5px; color: var(--muted); }
.tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: #fff; background: var(--blue);
  padding: 4px 9px; border-radius: 4px; margin-bottom: 12px;
}
.karte-body { padding: 22px 24px 26px; }

.feld { margin-bottom: 18px; }
.feld label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.feld input[type="text"],
.feld input[type="email"] {
  width: 100%; font: inherit; font-size: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--weiss); color: var(--ink);
}
.feld input:focus-visible,
.check input:focus-visible,
.knopf:focus-visible {
  outline: 3px solid var(--blue); outline-offset: 2px;
}
.feld input[aria-invalid="true"] { border-color: #B3261E; }

.haken label { font-weight: 400; }
.check { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.check input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--blue); flex-shrink: 0; }
.check span { font-size: 14px; line-height: 1.45; color: var(--muted); }
.check span a { color: #0077BE; }

.fehler {
  display: none; margin-top: 6px; font-size: 13.5px; color: #B3261E; font-weight: 500;
}
.fehler.sichtbar { display: block; }
.fehler.global { margin-top: 0; margin-bottom: 14px; }

/* Bot-Falle: fuer Menschen unsichtbar, fuer einfache Bots ein ausfuellbares Feld.
   Bewusst kein type=hidden, sonst erkennen Bots die Falle sofort. */
.hp {
  position: absolute; left: -9999px; width: 1px; height: 1px;
  overflow: hidden; opacity: 0;
}

.knopf {
  display: inline-block; width: 100%; text-align: center;
  font: inherit; font-size: 16px; font-weight: 650;
  padding: 14px 20px; border: 0; border-radius: 8px; cursor: pointer;
  background: var(--ink); color: #fff; text-decoration: none;
  transition: background .15s ease;
}
.knopf:hover { background: var(--anthra); color: #fff; }
.knopf[disabled] { opacity: .6; cursor: progress; }

.mini { margin-top: 12px; font-size: 12.5px; color: var(--muted); line-height: 1.45; }

/* ---------- Danke-Seite ---------- */

.schmal .karte { margin-top: 40px; }
.karte-download .karte-body { padding: 36px 28px 32px; }
.mitte { text-align: center; }
.mitte h2 { font-size: 24px; font-weight: 700; margin-bottom: 10px; }
.mitte .text { color: var(--muted); margin-bottom: 22px; }
.mitte .knopf { max-width: 380px; }
.haken-gross {
  width: 56px; height: 56px; margin: 0 auto 18px;
  border-radius: 50%; background: var(--blue-soft); color: var(--blue);
  font-size: 28px; line-height: 56px; font-weight: 700;
}

.hinweis {
  margin: 28px 0 56px;
  padding: 20px 22px;
  background: var(--surface);
  border-left: 4px solid var(--anthra);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.hinweis h3 { font-size: 15px; margin-bottom: 8px; }
.hinweis p { font-size: 15px; color: var(--muted); }

/* ---------- Uebersicht ---------- */

.karten-gitter {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px; padding: 40px 0 56px; list-style: none;
}
.dok-karte {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px 24px; background: var(--weiss);
  display: flex; flex-direction: column; gap: 10px;
}
.dok-karte h2 { font-size: 19px; font-weight: 700; letter-spacing: -.01em; }
.dok-karte p { font-size: 15px; color: var(--muted); flex: 1; }
.dok-karte a.knopf { width: auto; align-self: flex-start; padding: 10px 18px; }
.leer { padding: 48px 0 64px; color: var(--muted); }

/* ---------- Textseiten ---------- */

.text-seite { padding: 40px 24px 64px; }
.text-seite h2 { font-size: 19px; font-weight: 700; margin: 30px 0 10px; letter-spacing: -.01em; }
.text-seite h2:first-of-type { margin-top: 8px; }
.text-seite p { margin-bottom: 12px; color: var(--anthra); }
.text-seite ul { margin: 0 0 14px 20px; color: var(--anthra); }
.text-seite li { margin-bottom: 7px; }
.todo {
  background: var(--blue-soft); border: 1px dashed var(--blue-line);
  border-radius: var(--radius); padding: 14px 18px; margin-bottom: 26px;
  font-size: 14.5px; color: var(--anthra);
}
.todo p { margin: 0; }

/* ---------- Fuss ---------- */

.fuss {
  margin-top: auto;
  background: var(--anthra); color: #8894A2;
  font-size: 13px; padding: 18px 0;
}
.fuss-inner { display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; align-items: center; }
.fuss-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.fuss a { color: #C4CDD8; text-decoration: none; }
.fuss a:hover { color: #fff; text-decoration: underline; }

/* ---------- Mobil ---------- */

@media (max-width: 880px) {
  .cols {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 28px;
  }
  /* Auf dem Handy zuerst das Formular, dann die Details. */
  .col-rechts { order: 1; }
  .col-links { order: 2; }
  .band { padding: 40px 0 32px; }
  .wrap { padding: 0 18px; }
  .vorschau { max-width: none; }
}

@media (max-width: 420px) {
  .wrap { padding: 0 15px; }
  .karte-kopf, .karte-body { padding-left: 18px; padding-right: 18px; }
  .band h1 { font-size: 26px; }
  .lede { font-size: 16px; }
}