:root {
  --hintergrund: #05080f;
  --flaeche: #0b111c;
  --karte: #0f1826;
  --akzent: #2f86f6;
  --akzent-hell: #6db3ff;
  --akzent-dunkel: #0b5bd3;
  --text: #eef3fa;
  --text-dempft: #9db0c6;
  --rand: #1c2b40;
  --breite: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--hintergrund);
  color: var(--text);
  line-height: 1.65;
}

img { max-width: 100%; display: block; }
a { color: var(--akzent-hell); }
h1, h2, h3 { line-height: 1.25; margin: 0; }

.huelle { max-width: var(--breite); margin: 0 auto; padding: 0 20px; }

/* ---------- Kopf ---------- */
header.kopf {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(5, 8, 15, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rand);
}

.kopf-zeile {
  max-width: var(--breite);
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.marke {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.5px;
}

.marke img { width: 40px; height: 40px; mix-blend-mode: screen; }
.marke small { display: block; font-size: 0.62rem; letter-spacing: 3px; color: var(--text-dempft); font-weight: 600; margin-top: -3px; }
.marke b { color: var(--akzent); }

nav { margin-left: auto; display: flex; gap: 22px; align-items: center; }
nav a { color: var(--text-dempft); text-decoration: none; font-size: 0.95rem; }
nav a:hover, nav a.aktiv { color: var(--akzent-hell); }
nav a.knopf-klein {
  color: #fff;
  background: var(--akzent-dunkel);
  padding: 7px 16px;
  border-radius: 999px;
  font-weight: 600;
}
nav a.knopf-klein:hover { background: var(--akzent); color: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 90px;
  background:
    radial-gradient(ellipse 70% 60% at 75% 20%, rgba(47, 134, 246, 0.22), transparent 70%),
    radial-gradient(ellipse 50% 50% at 0% 100%, rgba(11, 91, 211, 0.18), transparent 70%);
}

/* dezentes Fadenkreuz */
.hero::before {
  content: "";
  position: absolute;
  right: -160px;
  top: -120px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  border: 2px solid rgba(109, 179, 255, 0.12);
  box-shadow: 0 0 0 70px rgba(109, 179, 255, 0.04), 0 0 0 140px rgba(109, 179, 255, 0.025);
  pointer-events: none;
}

.hero-gitter {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  position: relative;
}

.vorspann {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--akzent-hell);
  border: 1px solid var(--rand);
  border-radius: 999px;
  padding: 5px 14px;
  background: rgba(15, 24, 38, 0.7);
}

.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 3.9rem);
  font-weight: 800;
  margin: 20px 0 18px;
  letter-spacing: -0.5px;
}

.hero h1 em { font-style: normal; color: var(--akzent); }

.hero p.lead { font-size: 1.15rem; color: var(--text-dempft); max-width: 560px; margin: 0 0 28px; }

.knoepfe { display: flex; flex-wrap: wrap; gap: 12px; }

.pilz {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  background: var(--akzent-dunkel);
  color: #fff;
  font-weight: 650;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s, transform 0.15s;
}
.pilz:hover { background: var(--akzent); transform: translateY(-1px); }
.pilz.leer { background: transparent; border-color: var(--akzent-dunkel); color: var(--akzent-hell); }
.pilz.leer:hover { background: rgba(47, 134, 246, 0.12); }

.hero-bild {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--rand);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 80px rgba(47, 134, 246, 0.18);
}
.hero-bild img { width: 100%; height: auto; }

/* ---------- Kennzahlen ---------- */
.band {
  border-top: 1px solid var(--rand);
  border-bottom: 1px solid var(--rand);
  background: var(--flaeche);
}
.band .huelle {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.band-eintrag { padding: 26px 18px; text-align: center; border-left: 1px solid var(--rand); }
.band-eintrag:first-child { border-left: 0; }
.band-eintrag strong { display: block; font-size: 1.5rem; color: var(--akzent-hell); letter-spacing: 3px; }
.band-eintrag span { font-size: 0.85rem; color: var(--text-dempft); }

/* ---------- Abschnitte ---------- */
section.abschnitt { padding: 84px 0; }
section.abschnitt.dunkel { background: var(--flaeche); border-top: 1px solid var(--rand); border-bottom: 1px solid var(--rand); }

.kopf-abschnitt { max-width: 720px; margin-bottom: 44px; }
.kopf-abschnitt .vorspann { margin-bottom: 14px; }
.kopf-abschnitt h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 14px; letter-spacing: -0.3px; }
.kopf-abschnitt p { color: var(--text-dempft); margin: 0; font-size: 1.05rem; }

.karten { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }

.karte {
  background: linear-gradient(160deg, var(--karte), #0a111b);
  border: 1px solid var(--rand);
  border-radius: 16px;
  padding: 26px;
  transition: border-color 0.2s, transform 0.2s;
}
.karte:hover { border-color: rgba(47, 134, 246, 0.6); transform: translateY(-3px); }
.karte h3 { font-size: 1.1rem; margin-bottom: 8px; }
.karte p { margin: 0; color: var(--text-dempft); font-size: 0.97rem; }

.symbol {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(47, 134, 246, 0.12);
  border: 1px solid rgba(47, 134, 246, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.symbol svg { width: 24px; height: 24px; stroke: var(--akzent-hell); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.symbol svg .f { fill: var(--akzent-hell); stroke: none; }

/* ---------- Zwei Spalten (Text + Bild) ---------- */
.zweispaltig { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.zweispaltig.umgekehrt .bild { order: 2; }
.zweispaltig .bild img { border-radius: 18px; border: 1px solid var(--rand); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55); width: 100%; }
.zweispaltig .bild.hoch { max-width: 440px; margin: 0 auto; }
.zweispaltig h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 12px 0 14px; }
.zweispaltig p { color: var(--text-dempft); }

.haken { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.haken li { position: relative; padding-left: 32px; color: var(--text); }
.haken li span { color: var(--text-dempft); }
.haken li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--akzent);
  background: radial-gradient(circle, var(--akzent) 0 3px, transparent 4px);
}

/* ---------- So funktioniert's ---------- */
.ablauf { counter-reset: schritt; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 18px; list-style: none; padding: 0; margin: 0; }
.ablauf li {
  counter-increment: schritt;
  position: relative;
  background: var(--karte);
  border: 1px solid var(--rand);
  border-radius: 16px;
  padding: 58px 22px 24px;
}
.ablauf li::before {
  content: counter(schritt);
  position: absolute;
  top: 18px;
  left: 22px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--akzent-dunkel);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ablauf b { display: block; margin-bottom: 6px; }
.ablauf span { color: var(--text-dempft); font-size: 0.95rem; }

/* ---------- Drei Wege ---------- */
.wege .karte .nummer { font-size: 0.78rem; letter-spacing: 3px; color: var(--akzent-hell); text-transform: uppercase; margin-bottom: 8px; display: block; }

/* ---------- Cloud ---------- */
.cloud-box {
  border: 1px solid rgba(47, 134, 246, 0.4);
  border-radius: 24px;
  padding: 48px;
  background: linear-gradient(120deg, rgba(47, 134, 246, 0.16), rgba(15, 24, 38, 0.9) 60%);
}

/* ---------- Firma ---------- */
.firma-logo { background: #fff; border-radius: 18px; padding: 18px; }
.firma-logo img { width: 100%; height: auto; }
.adresse { font-style: normal; background: var(--karte); border: 1px solid var(--rand); border-radius: 14px; padding: 18px 22px; display: inline-block; margin-top: 10px; color: var(--text); }
.adresse b { display: block; margin-bottom: 4px; }

/* ---------- Schluss ---------- */
.schluss { text-align: center; padding: 90px 0; background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(47, 134, 246, 0.22), transparent 70%); }
.schluss h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 14px; }
.schluss h2 em { font-style: normal; color: var(--akzent); }
.schluss p { color: var(--text-dempft); max-width: 560px; margin: 0 auto 28px; }
.schluss .knoepfe { justify-content: center; }

/* ---------- Fuß ---------- */
footer.fuss { border-top: 1px solid var(--rand); background: var(--flaeche); padding: 40px 0 30px; color: var(--text-dempft); font-size: 0.9rem; }
.fuss-gitter { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.fuss h4 { margin: 0 0 10px; color: var(--text); font-size: 0.85rem; letter-spacing: 2px; text-transform: uppercase; }
.fuss a { color: var(--text-dempft); text-decoration: none; display: block; padding: 2px 0; }
.fuss a:hover { color: var(--akzent-hell); }
.fuss .klein { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--rand); font-size: 0.8rem; }

/* ---------- Dokumentation / Textseiten ---------- */
main.text { max-width: 820px; margin: 0 auto; padding: 56px 20px 90px; }
main.text h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 14px; }
main.text h2 { margin-top: 52px; padding-bottom: 8px; border-bottom: 1px solid var(--rand); color: var(--akzent-hell); font-size: 1.5rem; }
main.text h3 { margin-top: 30px; font-size: 1.1rem; }
main.text p, main.text li { color: #cfd9e6; }

.schritte { counter-reset: schritt; list-style: none; padding: 0; }
.schritte li { counter-increment: schritt; position: relative; padding: 0 0 22px 52px; }
.schritte li::before {
  content: counter(schritt);
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--akzent-dunkel);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.schritte li:last-child { padding-bottom: 0; }
.schritte b { display: block; color: var(--text); }
.schritte span { color: var(--text-dempft); }

code { background: #0a111b; border: 1px solid var(--rand); border-radius: 6px; padding: 1px 6px; font-size: 0.9em; }

.hinweis { background: rgba(47, 134, 246, 0.1); border-left: 4px solid var(--akzent); border-radius: 0 10px 10px 0; padding: 12px 16px; margin: 20px 0; }
.hinweis.stark { background: rgba(224, 166, 63, 0.1); border-left-color: #e0a63f; }
mark { background: rgba(224, 166, 63, 0.22); color: #ffd98a; padding: 0 4px; border-radius: 4px; }

/* ---------- Mobil ---------- */
@media (max-width: 860px) {
  .hero { padding: 48px 0 56px; }
  .hero-gitter, .zweispaltig { grid-template-columns: 1fr; gap: 32px; }
  .zweispaltig.umgekehrt .bild { order: 0; }
  .band .huelle { grid-template-columns: repeat(2, 1fr); }
  .band-eintrag:nth-child(3) { border-left: 0; }
  .band-eintrag:nth-child(n+3) { border-top: 1px solid var(--rand); }
  .fuss-gitter { grid-template-columns: 1fr; }
  .cloud-box { padding: 28px 22px; }
  section.abschnitt { padding: 56px 0; }
  nav { gap: 14px; }
  nav .nav-optional { display: none; }
  .marke small { display: none; }
}

/* Korrekturen: Grid-Kinder dürfen schrumpfen, Hochformat-Foto begrenzen */
.hero-gitter > *, .zweispaltig > * { min-width: 0; }
.zweispaltig .bild.hoch { max-width: 400px; }
.zweispaltig .bild.hoch img { max-height: 620px; object-fit: cover; object-position: top; }
html, body { overflow-x: hidden; }

/* ---------- Projektanfrage ---------- */
.anfrage-box { max-width: 760px; margin: 0 auto; padding: 48px 20px 90px; }
.anfrage-box h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 10px; }
.anfrage-box .lead { color: var(--text-dempft); margin: 0 0 28px; }
.fortschritt { display: flex; gap: 8px; margin-bottom: 26px; }
.fortschritt span { flex: 1; height: 5px; border-radius: 3px; background: var(--rand); transition: background 0.2s; }
.fortschritt span.fertig { background: var(--akzent); }
.schritt-karte { background: linear-gradient(160deg, var(--karte), #0a111b); border: 1px solid var(--rand); border-radius: 18px; padding: 28px; }
.schritt-karte[hidden] { display: none; }
.schritt-karte h2 { font-size: 1.3rem; margin-bottom: 4px; }
.schritt-karte .unter { color: var(--text-dempft); font-size: 0.93rem; margin: 0 0 22px; }
.frage { margin-bottom: 24px; border: 0; padding: 0; min-width: 0; }
.frage legend, .frage > label { font-weight: 650; display: block; margin-bottom: 4px; padding: 0; }
.frage .hilfe { color: var(--text-dempft); font-size: 0.85rem; margin: 0 0 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { position: relative; }
.chips input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chips span {
  display: block; padding: 9px 18px; border-radius: 999px; border: 1px solid var(--rand);
  background: var(--flaeche); color: var(--text-dempft); font-size: 0.95rem; transition: all 0.15s;
}
.chips label:hover span { border-color: var(--akzent); color: var(--text); }
.chips input:checked + span { background: var(--akzent-dunkel); border-color: var(--akzent); color: #fff; font-weight: 600; }
.chips input:focus-visible + span { outline: 2px solid var(--akzent-hell); outline-offset: 2px; }
.feld { width: 100%; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--rand); background: var(--hintergrund); color: var(--text); font: inherit; }
.feld:focus { outline: 2px solid var(--akzent); border-color: transparent; }
.zeilen2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.nav-schritte { display: flex; justify-content: space-between; gap: 12px; margin-top: 8px; }
.pilz:disabled { opacity: 0.55; cursor: default; }
button.pilz { font: inherit; font-weight: 650; cursor: pointer; }
.einwilligung { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; color: var(--text-dempft); }
.einwilligung input { margin-top: 5px; }
.status { margin-top: 16px; padding: 12px 16px; border-radius: 10px; display: none; }
.status.ok { display: block; background: rgba(60, 180, 110, 0.12); border: 1px solid rgba(60, 180, 110, 0.5); }
.status.fehler { display: block; background: rgba(230, 80, 70, 0.12); border: 1px solid rgba(230, 80, 70, 0.5); }
.fehlertext { color: #ff9b94; font-size: 0.85rem; margin: 6px 0 0; display: none; }
@media (max-width: 600px) { .zeilen2 { grid-template-columns: 1fr; } .schritt-karte { padding: 20px; } }
.zweispaltig .bild img { height: auto; }
.zweispaltig .bild.hoch img { height: auto; }