:root {
    --bg: #f6f8fb; --karte: #ffffff; --rand: #dfe5ee; --rand2: #c9d2df;
    --tinte: #0f172a; --text2: #475569; --text3: #7c8798;
    --blau: #2f6fed; --blau-dunkel: #1d4fd7; --blau-hell: #e8effe; --gruen: #1c8a4a; --gruen-hell: #e6f5ec; --gelb: #f0c75e; --rot: #c62828;
    --dunkel: #0b0f16; --dunkel2: #111722; --dunkel-rand: #243041; --hell-auf-dunkel: #e8edf3; --text2-dunkel: #aab5c2;
    --mono: ui-monospace, "Cascadia Code", Consolas, "JetBrains Mono", monospace;
  }
  * { box-sizing: border-box; }
  [hidden] { display: none !important; }
  html { scroll-behavior: smooth; }
  body { margin: 0; background: var(--bg); color: var(--tinte); font: 15.5px/1.6 "Segoe UI", system-ui, -apple-system, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
  a { color: var(--blau); }
  code, .mono { font-family: var(--mono); font-size: .93em; }
  label { display: block; }
  .w { max-width: 1140px; margin: 0 auto; padding: 0 22px; }
  h2 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.12; letter-spacing: -.8px; margin: 0 0 10px; font-weight: 800; }
  h3 { margin: 0 0 6px; font-size: 18px; letter-spacing: -.2px; }
  .ueber { font-family: var(--mono); font-size: 12.5px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--blau); margin: 0 0 10px; }
  .unter { color: var(--text2); font-size: 17px; max-width: 720px; margin: 0 0 28px; }
  section { padding: 64px 0; }
  section + section { border-top: 1px solid var(--rand); }

  /* Kopf */
  .kopf { background: var(--dunkel); color: var(--hell-auf-dunkel); border-bottom: 1px solid var(--dunkel-rand); position: sticky; top: 0; z-index: 20; }
  .kopf .w { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 14px; padding-bottom: 14px; }
  .marke { font-size: 20px; font-weight: 700; letter-spacing: -.3px; color: #fff; text-decoration: none; }
  .marke span { color: #5b8cff; }
  .marke em { display: block; font-style: normal; font-size: 11px; letter-spacing: .5px; font-weight: 400; font-family: var(--mono); color: #6f7d8d; }
  .marke em::before { content: "~$ "; color: #5b8cff; }
  .kopf nav { display: flex; gap: 18px; align-items: center; font-size: 14px; }
  .kopf nav a { color: var(--text2-dunkel); text-decoration: none; }
  .kopf nav a:hover { color: #fff; }
  .burger { display: none; width: 42px; height: 38px; border: 1px solid #2f3d52; border-radius: 9px; background: transparent; cursor: pointer; padding: 0 10px; flex-direction: column; justify-content: center; gap: 5px; }
  .burger span { display: block; height: 2px; border-radius: 2px; background: #e8edf3; transition: transform .18s, opacity .15s; }
  .kopf.offen .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .kopf.offen .burger span:nth-child(2) { opacity: 0; }
  .kopf.offen .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .knopf { display: inline-flex; align-items: center; gap: 8px; font: inherit; font-weight: 600; padding: 11px 18px; border-radius: 9px; border: 1px solid transparent; background: var(--blau); color: #fff; cursor: pointer; text-decoration: none; transition: transform .12s, background .12s; white-space: nowrap; }
  .knopf:hover { background: var(--blau-dunkel); transform: translateY(-1px); }
  .knopf:disabled { opacity: .6; cursor: wait; transform: none; }
  .knopf.zweit { background: transparent; border-color: var(--rand2); color: var(--tinte); }
  .knopf.zweit:hover { background: #fff; }
  .knopf.zweit.dunkel { border-color: #2f3d52; color: var(--hell-auf-dunkel); }
  .knopf.zweit.dunkel:hover { background: var(--dunkel2); }
  .knopf.klein { padding: 7px 13px; font-size: 13.5px; border-radius: 7px; }
  .knopf.gruen { background: var(--gruen); }
  .knopf.gruen:hover { background: #166d3b; }

  /* Hero */
  .hero { background: radial-gradient(900px 500px at 15% -10%, rgba(47,111,237,.35), transparent 60%), radial-gradient(700px 400px at 95% 10%, rgba(180,140,255,.16), transparent 60%), var(--dunkel); color: var(--hell-auf-dunkel); padding: 72px 0 56px; position: relative; overflow: hidden; }
  .hero::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 75%); pointer-events: none; }
  .hero .w { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
  .etikett { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12.5px; color: #9bbaff; background: rgba(47,111,237,.12); border: 1px solid rgba(47,111,237,.35); padding: 5px 11px; border-radius: 999px; margin-bottom: 18px; }
  .etikett i { width: 7px; height: 7px; border-radius: 50%; background: #3ddc84; font-style: normal; }
  h1 { font-size: clamp(34px, 5.4vw, 58px); line-height: 1.04; letter-spacing: -1.4px; margin: 0 0 18px; font-weight: 800; color: #fff; }
  h1 .grad { background: linear-gradient(90deg, #5b8cff, #b48cff); -webkit-background-clip: text; background-clip: text; color: transparent; }
  .hero .lead { font-size: 18px; color: var(--text2-dunkel); margin: 0 0 24px; max-width: 560px; }
  .hero .lead b { color: #fff; font-weight: 600; }
  .cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
  .cta .hinweis { font-size: 13px; color: #6f7d8d; width: 100%; margin-top: 2px; }
  .fakten { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .fakt { background: rgba(17,23,34,.85); border: 1px solid var(--dunkel-rand); border-radius: 14px; padding: 16px 18px; }
  .fakt b { display: block; font-size: 26px; letter-spacing: -.8px; color: #fff; line-height: 1.1; }
  .fakt b small { font-size: 13px; font-weight: 500; color: #6f7d8d; letter-spacing: 0; margin-left: 4px; }
  .fakt span { font-size: 13px; color: var(--text2-dunkel); }
  .fakt.gross { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; }
  .fakt.gross .mono { color: #3ddc84; font-size: 13px; }

  /* Mehrwerte */
  .raster { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 16px; }
  .karte { background: var(--karte); border: 1px solid var(--rand); border-radius: 16px; padding: 22px; transition: border-color .15s, transform .15s, box-shadow .15s; }
  .karte:hover { border-color: var(--rand2); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(15,23,42,.06); }
  .karte .ik { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; margin-bottom: 14px; background: var(--blau-hell); }
  .karte .ik svg { width: 20px; height: 20px; stroke: var(--blau); fill: none; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
  .karte p { margin: 0; color: var(--text2); font-size: 14.5px; }

  /* Leistungen */
  .kategorie { margin-top: 38px; }
  .kategorie > h3 { font-size: 14px; font-family: var(--mono); letter-spacing: 1px; text-transform: uppercase; color: var(--text3); margin: 0 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--rand); }
  .produkte { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 16px; }
  .produkt { background: var(--karte); border: 1px solid var(--rand); border-radius: 16px; padding: 22px; display: flex; flex-direction: column; gap: 10px; }
  .produkt .kopfz { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; }
  .produkt h4 { margin: 0; font-size: 17px; letter-spacing: -.2px; }
  .produkt .sub { color: var(--text2); font-size: 14px; margin: 2px 0 0; }
  .produkt .preis { text-align: right; white-space: nowrap; }
  .produkt .preis b { display: block; font-size: 22px; letter-spacing: -.6px; line-height: 1.05; }
  .produkt .preis b small { font-size: 12px; color: var(--text3); font-weight: 500; letter-spacing: 0; }
  .produkt .preis span { font-size: 12px; color: var(--text3); }
  .produkt .beschr { color: var(--text2); font-size: 14px; margin: 0; }
  .produkt ul { margin: 0; padding: 0 0 0 18px; color: var(--text2); font-size: 13.5px; display: grid; gap: 3px; }
  .produkt .varianten { display: grid; gap: 4px; font-size: 13.5px; border-top: 1px dashed var(--rand); padding-top: 8px; }
  .produkt .varianten div { display: flex; justify-content: space-between; gap: 10px; }
  .produkt .varianten div span:last-child { font-family: var(--mono); color: var(--tinte); }
  .produkt .varianten small { color: var(--text3); display: block; }
  .produkt .pfuss { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 10px; padding-top: 6px; }
  .produkt .pfuss small { color: var(--text3); font-size: 12.5px; }
  .produkt.add { border-color: var(--blau); box-shadow: 0 0 0 3px var(--blau-hell); }

  /* Beispiele */
  .beispiele { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
  .beispiel { background: var(--karte); border: 1px solid var(--rand); border-radius: 16px; padding: 22px; display: flex; flex-direction: column; gap: 12px; }
  .beispiel .wer { font-family: var(--mono); font-size: 12px; color: var(--blau); letter-spacing: .5px; }
  .beispiel h4 { margin: 0; font-size: 19px; letter-spacing: -.3px; }
  .beispiel p { margin: 0; color: var(--text2); font-size: 14px; }
  .beispiel table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
  .beispiel td { padding: 5px 0; border-bottom: 1px dashed var(--rand); vertical-align: top; }
  .beispiel td:last-child { text-align: right; font-family: var(--mono); white-space: nowrap; }
  .beispiel td small { color: var(--text3); display: block; }
  .beispiel .total { display: flex; justify-content: space-between; align-items: baseline; margin-top: 4px; }
  .beispiel .total b { font-size: 24px; letter-spacing: -.6px; }
  .beispiel .total b small { font-size: 12px; color: var(--text3); font-weight: 500; letter-spacing: 0; }
  .beispiel .total span { font-size: 12.5px; color: var(--text3); }

  /* Konfigurator */
  #konfigurator { background: #eef2f8; }
  .konf { display: grid; grid-template-columns: 1.35fr .85fr; gap: 22px; align-items: start; }
  .konf-links { display: grid; gap: 14px; }
  .hinzu { background: var(--karte); border: 1px solid var(--rand); border-radius: 16px; padding: 16px 18px; display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: end; }
  .feld { display: block; }
  .feld > span { display: block; font-size: 11.5px; color: var(--text3); margin-bottom: 5px; text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }
  .feld input, .feld select, .feld textarea { width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--rand2); border-radius: 8px; background: #fff; color: var(--tinte); }
  .feld input:focus, .feld select:focus, .feld textarea:focus { outline: 2px solid var(--blau); border-color: var(--blau); }
  .feld input:invalid:not(:placeholder-shown):not(:focus) { border-color: var(--rot); }
  .zeile2 { display: grid; grid-template-columns: 120px 1fr; gap: 12px; }
  .pos { background: var(--karte); border: 1px solid var(--rand); border-radius: 16px; padding: 16px 18px; display: grid; grid-template-columns: 1fr auto; gap: 12px 16px; animation: rein .25s ease-out; }
  @keyframes rein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
  .pos .titel b { font-size: 16px; }
  .pos .titel small { display: block; color: var(--text3); font-size: 12.5px; }
  .pos .summe { text-align: right; font-family: var(--mono); white-space: nowrap; }
  .pos .summe b { font-size: 17px; display: block; }
  .pos .summe span { font-size: 12px; color: var(--text3); }
  .pos .steuer { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .pos .steuer .breit { grid-column: 1 / -1; }
  .pos .namen { display: grid; gap: 6px; }
  .pos .namen div { display: flex; gap: 6px; }
  .pos .namen input { flex: 1; }
  .pos .namen button, .pos .weg { font: inherit; background: transparent; border: 1px solid var(--rand2); border-radius: 7px; padding: 6px 10px; cursor: pointer; color: var(--text2); font-size: 13px; }
  .pos .namen button:hover, .pos .weg:hover { border-color: var(--rot); color: var(--rot); }
  .pos .fussz { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 12.5px; color: var(--text3); }
  .leer { background: var(--karte); border: 1px dashed var(--rand2); border-radius: 16px; padding: 26px; color: var(--text2); text-align: center; }
  .zusammen { background: var(--dunkel); color: var(--hell-auf-dunkel); border-radius: 18px; padding: 22px; position: sticky; top: 78px; box-shadow: 0 24px 60px rgba(11,15,22,.25); }
  .zusammen h3 { color: #fff; margin: 0 0 14px; font-size: 16px; font-family: var(--mono); letter-spacing: 1px; text-transform: uppercase; }
  .zusammen .zl { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--dunkel-rand); font-size: 13.5px; color: var(--text2-dunkel); }
  .zusammen .zl span:last-child { font-family: var(--mono); color: #fff; white-space: nowrap; }
  .zusammen .total { margin-top: 14px; display: grid; gap: 8px; }
  .zusammen .total div { display: flex; justify-content: space-between; align-items: baseline; }
  .zusammen .total b { font-size: 30px; letter-spacing: -1px; color: #fff; font-family: var(--mono); }
  .zusammen .total b small { font-size: 12px; color: #6f7d8d; letter-spacing: 0; font-family: inherit; }
  .zusammen .total em { font-style: normal; font-size: 13px; color: var(--text2-dunkel); }
  .zusammen .kl { font-size: 12px; color: #6f7d8d; margin: 12px 0 0; line-height: 1.5; }
  .zusammen .knopf { width: 100%; justify-content: center; margin-top: 8px; }
  .zusammen .leasing { margin-top: 10px; font-size: 12.5px; color: var(--gelb); background: rgba(240,199,94,.1); border: 1px solid rgba(240,199,94,.3); border-radius: 8px; padding: 8px 10px; }

  /* Dialog */
  dialog { border: 0; border-radius: 18px; padding: 0; max-width: 640px; width: calc(100% - 32px); box-shadow: 0 30px 80px rgba(11,15,22,.4); }
  dialog::backdrop { background: rgba(11,15,22,.55); backdrop-filter: blur(2px); }
  .dlg { padding: 26px; }
  .dlg h3 { font-size: 22px; margin: 0 0 4px; }
  .dlg .unter2 { color: var(--text2); font-size: 14px; margin: 0 0 18px; }
  .dlg .felder { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .dlg .felder .breit { grid-column: 1 / -1; }
  .dlg .fehler { background: #fdecea; color: #7b241c; padding: 10px 12px; border-radius: 8px; margin: 12px 0 0; font-size: 14px; }
  .dlg .aktionen { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }
  .dlg .klein { font-size: 12.5px; color: var(--text3); margin: 12px 0 0; line-height: 1.5; }
  .dlg .zettel { border: 1px solid var(--rand); border-radius: 10px; background: var(--bg); font-size: 13.5px; margin: 0 0 16px; overflow: hidden; }
  .dlg .zettel div { display: flex; justify-content: space-between; gap: 12px; padding: 8px 12px; border-bottom: 1px solid var(--rand); }
  .dlg .zettel div:last-child { border-bottom: 0; background: var(--blau-hell); font-weight: 600; }
  .dlg .zettel span:last-child { font-family: var(--mono); white-space: nowrap; }
  .dlg .fertig { text-align: center; padding: 10px 0; }
  .dlg .fertig .ok { width: 64px; height: 64px; border-radius: 50%; background: var(--gruen-hell); display: grid; place-items: center; margin: 0 auto 14px; color: var(--gruen); font-size: 30px; }

  /* FAQ */
  .faq { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px 28px; }
  .faq details { border-top: 1px solid var(--rand); padding: 12px 0; }
  .faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 10px; }
  .faq summary::after { content: "+"; color: var(--blau); font-family: var(--mono); }
  .faq details[open] summary::after { content: "–"; }
  .faq p { margin: 8px 0 0; color: var(--text2); font-size: 14.5px; }

  .fuss { background: var(--dunkel); color: #6f7d8d; padding: 36px 0; font-size: 13px; }
  .fuss .w { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
  .fuss a { color: var(--text2-dunkel); }

  @media (max-width: 900px) {
    .burger { display: flex; }
    .kopf .w { flex-wrap: wrap; }
    .kopf nav { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 0; border-top: 1px solid var(--dunkel-rand); margin-top: 12px; padding-bottom: 6px; }
    .kopf.offen nav { display: flex; }
    .kopf nav a { padding: 13px 2px; font-size: 16px; border-bottom: 1px solid var(--dunkel-rand); }
    .kopf nav a.nurgross { display: block; }
    .kopf nav a.knopf { justify-content: center; margin-top: 12px; border-bottom: 0; padding: 13px 18px; font-size: 15px; }
    .hero .w { grid-template-columns: 1fr; gap: 30px; }
    .konf { grid-template-columns: 1fr; }
    .zusammen { position: static; }
    .hinzu { grid-template-columns: 1fr; }
    .dlg .felder { grid-template-columns: 1fr; }
  }
  @media (prefers-reduced-motion: reduce) { .pos { animation: none; } }