html, body {
    overscroll-behavior: none;
  }
  body {
    margin: 0; padding: 0;
    width: 100vw; height: 100vh;
    background-color: #000000;
    overflow: hidden;
    perspective: 1200px;
    display: flex; justify-content: center; align-items: center;
  }

  .isometric-grid {
    position: relative;
    width: 200vw; height: 200vh;
    transform: rotateX(60deg) rotateZ(-45deg);
    transform-style: preserve-3d;
    background-color: #000000;
    background-position: center;
    box-shadow: inset 0 0 200px rgba(0, 0, 0, 0.85);
  }

  .isometric-grid::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center,
                rgba(0, 150, 255, 0.15) 0%,
                transparent 60%);
    pointer-events: none;
  }

  .module {
    position: absolute;
    top: 0; left: 0;
    background: #0a1220;
    border: 1px solid;
    border-radius: 6px;
    box-shadow: 0 0 25px currentColor, inset 0 0 15px rgba(255, 255, 255, 0.08);
    overflow: hidden;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    animation: pulse 4s infinite alternate;
    transform-origin: 0 0;
    box-sizing: border-box;
    will-change: transform;
    z-index: 6;
  }

  .cyan    { color: #00ffff; border-color: #00ffff; }
  .orange  { color: #ff4400; border-color: #ff4400; }
  .magenta { color: #ff00ff; border-color: #ff00ff; }

  .ui-line { height: 3px; background: currentColor; opacity: 0.8; border-radius: 2px; width: 80%; }
  .ui-line.short { width: 40%; }
  .ui-line.full  { width: 100%; }
  .ui-block {
    height: 30px;
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid currentColor;
    border-radius: 4px;
    flex-grow: 1;
  }

  @keyframes pulse {
    0%   { filter: brightness(1); }
    100% { filter: brightness(1.3); }
  }

  .hero-text {
    position: absolute;
    top: 20%; left: 10%;
    z-index: 10;
    color: white;
    pointer-events: none;
    transform: translateZ(100px);
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  }
  .hero-text h1 {
    margin: 0 0 18px;margin-top: -100px;
    font-size: clamp(2.3rem, 5.6vw, 5.2rem);
    line-height: .98; letter-spacing: -.025em; font-weight: 900;
    background: linear-gradient(90deg, #00ffff, #ff00ff);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-text p {
    margin: 0;
    font-size: clamp(.75rem, 1.05vw, 1rem);
    letter-spacing: .28em; text-transform: uppercase;
    color: rgba(190, 230, 255, .58); font-weight: 600;
  }

  #robot-canvas {
    position: fixed;
    inset: 0;
    width: 100vw; height: 100vh;
    pointer-events: none;
    z-index: 5;
  }

  /* ============================================================
     KI-PITCH — oben rechts, max. 2 gleichzeitig sichtbar
     ============================================================ */
  .ki-pitch {
    position: fixed;
    top: 8%; right: 6%;
    z-index: 11;
    width: 30vw;
    min-width: 260px;
    max-width: 420px;
    height: 220px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    overflow: hidden;
    pointer-events: none;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    text-align: right;
    mask-image: linear-gradient(180deg, #000 0%, #000 60%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 60%, transparent 100%);
  }

  .ki-item {
    position: relative;
    padding-right: 16px;
    flex: none;
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .8s cubic-bezier(.22,1,.36,1),
                transform .8s cubic-bezier(.22,1,.36,1);
  }
  .ki-item.show { opacity: 1; transform: translateY(0); }
  .ki-item.fade { opacity: 0; transform: translateY(-8px); }

  .ki-item::after {
    content: '';
    position: absolute;
    right: 0; top: 4px; bottom: 4px;
    width: 2px; border-radius: 2px;
    background: linear-gradient(180deg, #00ffff, #ff00ff);
    box-shadow: 0 0 12px rgba(0, 200, 255, .6);
  }

  .ki-tag {
    display: block;
    margin-bottom: 5px;
    font-size: clamp(.58rem, .72vw, .7rem);
    font-weight: 700;
    letter-spacing: .24em;
    text-transform: uppercase;
    background: linear-gradient(90deg, #ff00ff, #00ffff);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .ki-line {
    display: block;
    font-size: clamp(.82rem, 1.1vw, 1.02rem);
    line-height: 1.38;
    font-weight: 500;
    letter-spacing: -0.005em;
    color: rgba(220, 240, 255, .92);
    text-shadow: 0 0 24px rgba(0, 180, 255, .25);
  }

  /* ============================================================
     CARD DECK  (zentriert, richtungsabhängig vom Roboter)
     ============================================================ */
  .card-deck {
    position: fixed;
    inset: 0;
    z-index: 8;
    pointer-events: none;
    overflow: hidden;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  }

  .card {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(1000px, 46vw);
    height: min(500px, 46vw);
    padding: 34px 36px 30px;
    box-sizing: border-box;
    border-radius: 28px;
    visibility: hidden;
    opacity: 0;
    color: #e8f6ff;
    display: flex;
    flex-direction: column;
    pointer-events: auto;

    background:
      linear-gradient(150deg,
        rgba(255, 255, 255, 0.17) 0%,
        rgba(255, 255, 255, 0.05) 42%,
        rgba(0, 170, 255, 0.08) 100%);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border: 1px solid rgba(160, 225, 255, 0.26);
    box-shadow:
      0 30px 80px rgba(0, 0, 0, 0.65),
      0 0 50px rgba(0, 190, 255, 0.14),
      inset 0 1px 0 rgba(255, 255, 255, 0.28),
      inset 0 -40px 70px rgba(0, 110, 255, 0.09);
    will-change: transform, opacity;
  }

  .card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg,
      rgba(255, 255, 255, 0.24) 0%,
      transparent 22%);
    opacity: 0.6;
    pointer-events: none;
  }

  .card-top {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
  }
  .card-num {
    font: 700 0.72rem/1 ui-monospace, "SFMono-Regular", Menlo, monospace;
    letter-spacing: 0.22em;
    color: #7fe9ff;
    text-shadow: 0 0 14px rgba(0, 220, 255, 0.75);
  }
  .card-tag {
    font: 600 0.62rem/1 system-ui, sans-serif;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: rgba(230, 245, 255, 0.6);
    padding: 6px 12px;
    border: 1px solid rgba(140, 220, 255, 0.26);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
  }

  .card h2 {
    position: relative;
    margin: 0 0 16px;
    font-size: clamp(1.55rem, 2.5vw, 2.2rem);
    line-height: 1.14;
    font-weight: 800;
    letter-spacing: -0.015em;
    background: linear-gradient(100deg, #ffffff 8%, #9fe8ff 55%, #ff7ae0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .card p {
    position: relative;
    margin: 0;
    font-size: 0.97rem;
    line-height: 1.68;
    color: rgba(219, 238, 255, 0.78);
  }

  .card-stats {
    position: relative;
    display: flex;
    gap: 36px;
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid rgba(160, 220, 255, 0.16);
  }
  .card-stats div { display: flex; flex-direction: column; gap: 6px; }
  .card-stats strong {
    font-size: 1.35rem;
    font-weight: 800;
    line-height: 1;
    color: #b9f0ff;
    text-shadow: 0 0 18px rgba(0, 210, 255, 0.45);
  }
  .card-stats span {
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(200, 225, 255, 0.5);
  }

  .deck-dots {
    position: fixed;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 9;
    pointer-events: auto;
  }
  .deck-dot {
    width: 30px;
    height: 3px;
    padding: 0;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    background: rgba(160, 210, 255, 0.22);
    transition: background 0.35s ease, box-shadow 0.35s ease, width 0.35s ease;
  }
  .deck-dot:hover { background: rgba(160, 210, 255, 0.45); }
  .deck-dot.active {
    width: 54px;
    background: linear-gradient(90deg, #00ffff, #ff00ff);
    box-shadow: 0 0 16px rgba(0, 210, 255, 0.7);
  }

  .packages {
    position: relative;
    display: flex;
    gap: 18px;
    margin-top: 6px;
  }
  .pkg {
    flex: 1;
    padding: 16px 18px 14px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(160, 220, 255, 0.22);
  }
  .pkg.featured {
    background: linear-gradient(160deg, rgba(0, 220, 255, 0.16), rgba(255, 0, 255, 0.10));
    border-color: rgba(0, 230, 255, 0.5);
    box-shadow: 0 0 26px rgba(0, 200, 255, 0.25);
  }
  .pkg h3 {
    margin: 0 0 2px;
    font-size: 1.05rem;
    font-weight: 800;
    color: #eaf8ff;
  }
  .pkg .price {
    font-size: 1.85rem;
    font-weight: 800;
    line-height: 1;
    color: #aef0ff;
    text-shadow: 0 0 18px rgba(0, 210, 255, 0.5);
    margin-bottom: 10px;
  }
  .pkg .price span {
    display: block;
    font-size: 0.58rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(200, 225, 255, 0.55);
    font-weight: 600;
    margin-top: 5px;
  }
  .pkg ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .pkg li {
    position: relative;
    padding-left: 16px;
    font-size: 0.8rem;
    line-height: 1.35;
    color: rgba(219, 238, 255, 0.82);
  }
  .pkg li::before {
    content: '';
    position: absolute;
    left: 0; top: 6px;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00ffff, #ff00ff);
    box-shadow: 0 0 8px rgba(0, 220, 255, 0.7);
  }

  .feature-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 11px;
    margin-top: 8px;
  }
  .feat {
    padding: 11px 13px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(160, 220, 255, 0.22);
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .feat strong { font-size: 0.92rem; color: #eaf8ff; font-weight: 700; }
  .feat span { font-size: 0.72rem; color: rgba(200, 225, 255, 0.62); }

  .slideshow {
    position: relative;
    margin-top: 6px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
  }
  .slides {
    position: relative;
    flex: 1;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(160, 220, 255, 0.22);
    min-height: 150px;
  }
  .slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 14px;
    box-sizing: border-box;
  }
  .slide.active { opacity: 1; }
  .slide-visual { position: absolute; inset: 0; z-index: 0; }
  .slide-emoji {
    position: absolute;
    top: 12px; left: 14px;
    font-size: 1.6rem;
    z-index: 1;
    filter: drop-shadow(0 0 10px rgba(0,220,255,0.6));
  }
  .slide-body {
    position: relative;
    z-index: 1;
    background: rgba(2, 10, 24, 0.6);
    backdrop-filter: blur(8px);
    padding: 11px 14px;
    border-radius: 12px;
    border: 1px solid rgba(160, 220, 255, 0.2);
  }
  .slide-body h3 { margin: 0 0 3px; font-size: 1rem; color: #eaf8ff; font-weight: 700; }
  .slide-body span { font-size: 0.7rem; color: #7fe9ff; letter-spacing: 0.12em; text-transform: uppercase; }
  .slide-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 10px;
  }
  .slide-nav button {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(160, 220, 255, 0.3);
    background: rgba(255,255,255,0.06);
    color: #eaf8ff;
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    pointer-events: auto;
    transition: background 0.2s;
  }
  .slide-nav button:hover { background: rgba(0,220,255,0.18); }
  .slide-dots { display: flex; gap: 6px; }
  .slide-dots .sdot {
    width: 7px; height: 7px; border-radius: 50%;
    background: rgba(160,210,255,0.3);
    cursor: pointer;
    pointer-events: auto;
    transition: background 0.2s;
  }
  .slide-dots .sdot.active {
    background: linear-gradient(135deg,#00ffff,#ff00ff);
    box-shadow: 0 0 8px rgba(0,220,255,0.7);
  }

  .contact-form {
    position: relative;
    margin-top: 6px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: auto;
  }
  .contact-form .row { display: flex; gap: 8px; }
  .contact-form .row > * { flex: 1; }
  .contact-form input,
  .contact-form textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 9px 12px;
    border-radius: 10px;
    border: 1px solid rgba(160, 220, 255, 0.22);
    background: rgba(2, 10, 24, 0.5);
    color: #eaf8ff;
    font-family: inherit;
    font-size: 0.82rem;
    outline: none;
    transition: border 0.2s, box-shadow 0.2s;
  }
  .contact-form input::placeholder,
  .contact-form textarea::placeholder { color: rgba(200,225,255,0.4); }
  .contact-form input:focus,
  .contact-form textarea:focus {
    border-color: rgba(0, 230, 255, 0.6);
    box-shadow: 0 0 14px rgba(0, 200, 255, 0.3);
  }
  .contact-form textarea { resize: none; }
  .contact-form button {
    align-self: flex-start;
    padding: 9px 22px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.82rem;
    color: #02121f;
    background: linear-gradient(90deg, #00ffff, #ff00ff);
    box-shadow: 0 0 22px rgba(0, 200, 255, 0.4);
    transition: transform 0.15s, box-shadow 0.2s;
  }
  .contact-form button:hover { transform: translateY(-1px); box-shadow: 0 0 30px rgba(0, 200, 255, 0.6); }
  .contact-form .form-note {
    font-size: 0.72rem;
    color: rgba(200,225,255,0.55);
    margin-top: 2px;
  }
  .contact-form .form-note.ok { color: #7fe9ff; }

  @media (max-width: 900px) {
    /* Mobile: flex:none verhindert das Schrumpfen des 200vw-Grids
       (sonst ist der bläuliche Hintergrund zu schmal). Desktop
       behält absichtlich das Flex-Shrinking, das dort passend ist. */
    .isometric-grid { flex: none; }
    .hero-text { top: 4%; left: 6%; transform: translateZ(0); }
    .hero-text h1 { margin-top: 0; font-size: clamp(1.8rem, 8vw, 2.6rem); }
    .card {
      width: min(430px, 84vw);
      padding: 26px 24px 22px;
      border-radius: 22px;
    }
    .card-stats { gap: 22px; }
    .deck-dots { bottom: 14px; }
    .packages { flex-direction: column; }
    .feature-grid { grid-template-columns: 1fr; }
    /* KI-Pitch nach unten (Headline oben, Animation Mitte, Argumente unten) */
    .ki-pitch {
      top: auto; bottom: 16px; right: 5%; left: 5%;
      width: auto; max-width: none; height: 210px; gap: 8px;
      text-align: left;
    }
    .ki-item { padding-right: 16px; }
    .ki-line { font-size: .86rem; line-height: 1.32; }
  }