:root {
    --orange: #F47F15;
    --orange-hover: #D06D11;
    --orange-soft: rgba(244,127,21,0.08);
    --orange-border: rgba(244,127,21,0.3);
    --orange-border-active: rgba(244,127,21,0.45);
    --bg: #0a0f1a;
    --panel: #0d1421;
    --panel-2: #111827;
    --border: rgba(255,255,255,0.08);
    --text: #e9eef7;
    --text-muted: #c8c8cd;
    --text-dim: #9ca3af;
    --good: #06d6a0;
    --shadow: 0 8px 28px rgba(0,0,0,.35);
  }
  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif; line-height: 1.55; -webkit-font-smoothing: antialiased; }
  body {
    background:
      radial-gradient(1000px 520px at 50% -120px, rgba(244,127,21,.18), transparent 62%),
      radial-gradient(900px 650px at 82% 18%, rgba(244,127,21,.10), transparent 62%),
      radial-gradient(1000px 720px at 18% 40%, rgba(244,127,21,.08), transparent 64%),
      var(--bg);
    background-attachment: fixed, fixed, fixed, fixed;
    min-height: 100vh;
  }

  /* Header - gleiches Pattern wie redesign.mk-i.net */
  header.site { padding: 16px 28px; border-bottom: 1px solid var(--border); }
  .header-inner { max-width: 1320px; margin: 0 auto; display: flex; align-items: center; gap: 24px; }
  .logo-wrap { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
  .logo-wrap img { width: 64px; height: 64px; }
  .logo-text { display: flex; flex-direction: column; line-height: 1.2; }
  .logo-title { font-size: 1.05rem; font-weight: 700; }
  .logo-sub { font-size: 0.82rem; color: var(--text-dim); }
  .header-nav { display: flex; gap: 1.8rem; align-items: center; flex: 1; justify-content: center; }
  .header-nav a { color: var(--text-muted); font-size: 0.95rem; font-weight: 500; text-decoration: none; padding: 8px 12px; position: relative; isolation: isolate; transition: color .25s ease; }
  .header-nav a:hover { color: var(--text); }
  .header-nav a::after {
    content: ""; position: absolute; inset: -6px -8px;
    border-radius: 999px;
    background: radial-gradient(ellipse 85% 100% at center, rgba(244,127,21,.62) 0%, rgba(244,127,21,.28) 45%, transparent 75%);
    opacity: 0; transform: scale(.6); filter: blur(8px);
    transition: opacity .3s ease, transform .35s cubic-bezier(.34,1.56,.64,1);
    pointer-events: none; z-index: -1;
  }
  .header-nav a:hover::after { opacity: 1; transform: scale(1); }
  .header-mki { text-align: center; line-height: 1.3; }
  .header-mki-title { font-size: 1.05rem; font-weight: 600; color: var(--text); letter-spacing: 0.3px; margin: 0; }
  .header-mki-title span { color: var(--orange); font-weight: 700; }
  .header-mki-desc { font-size: 0.75rem; color: var(--text-muted); margin-top: 1px; }
  .header-mki-link { font-size: 0.72rem; color: var(--orange); text-decoration: none; font-weight: 600; transition: opacity .2s; }
  .header-mki-link:hover { opacity: 0.75; }
  @media (max-width: 900px) {
    .header-inner { flex-wrap: wrap; gap: 12px; }
    .header-nav { order: 3; flex-basis: 100%; justify-content: flex-start; }
    .header-mki { display: none; }
  }

  main { max-width: 880px; margin: 0 auto; padding: 56px 24px 80px; }

  .eyebrow { display: inline-block; font-size: 0.78rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--orange); font-weight: 600; margin-bottom: 1rem; }
  h1 { font-size: clamp(2rem, 5vw, 2.85rem); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 1rem; }
  h1 .accent { color: var(--orange); }
  .lead { font-size: 1.15rem; color: var(--text-muted); margin: 0 0 2.4rem; max-width: 620px; }

  .trust-row { display: flex; gap: 28px; flex-wrap: wrap; margin-bottom: 3rem; }
  .trust { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: var(--text-dim); }
  .trust-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 8px rgba(6,214,160,0.6); }

  .form-card { background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 16px; padding: 32px; box-shadow: var(--shadow); }
  .form-card h2 { font-size: 1.3rem; margin: 0 0 4px; }
  .form-card p.sub { font-size: 0.92rem; color: var(--text-dim); margin: 0 0 24px; }

  .field { margin-bottom: 20px; }
  .field label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 500; }
  .field input[type="url"], .field input[type="email"] {
    width: 100%;
    padding: 13px 16px;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.15s, background 0.15s;
  }
  .field input:focus { outline: none; border-color: var(--orange); background: rgba(0,0,0,0.45); }
  .field input::placeholder { color: #4a5260; }

  .checkbox-field { display: flex; gap: 12px; align-items: flex-start; padding: 14px; background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 24px; }
  .checkbox-field input[type="checkbox"] { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--orange); cursor: pointer; }
  .checkbox-field label { font-size: 0.85rem; color: var(--text-muted); line-height: 1.55; cursor: pointer; }
  .checkbox-field label a { color: var(--orange); text-decoration: none; }
  .checkbox-field label a:hover { text-decoration: underline; }

  button.submit {
    width: 100%;
    padding: 15px 24px;
    background: var(--orange);
    color: #0d1117;
    border: none;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s, transform 0.05s;
    font-family: inherit;
  }
  button.submit:hover:not(:disabled) { background: var(--orange-hover); }
  button.submit:active:not(:disabled) { transform: translateY(1px); }
  button.submit:disabled { opacity: .55; cursor: not-allowed; }

  .form-footer { text-align: center; margin-top: 14px; font-size: 0.82rem; color: var(--text-dim); }

  .feedback { margin-top: 18px; padding: 14px 16px; border-radius: 10px; font-size: 0.92rem; display: none; }
  .feedback.error { display: block; background: rgba(239,71,111,0.1); border: 1px solid rgba(239,71,111,0.4); color: #ff8aa3; }
  .feedback.success { display: block; background: rgba(6,214,160,0.1); border: 1px solid rgba(6,214,160,0.4); color: var(--good); }

  .how-it-works { margin-top: 56px; }
  .how-it-works h2 { font-size: 1.4rem; margin: 0 0 24px; letter-spacing: -.01em; }
  .steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  @media (max-width: 720px) { .steps { grid-template-columns: 1fr; } }

  /* Border-Beam Effekt: rotierender konischer Gradient an der Card-Border */
  @property --beam-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
  }
  .step {
    position: relative;
    background: rgba(255,255,255,0.02);
    border-radius: 14px;
    padding: 28px 26px;
    overflow: hidden;
    isolation: isolate;
    box-shadow: 0 0 0 0 rgba(244,127,21,0), 0 8px 24px rgba(244,127,21,0.06);
    transition: box-shadow 0.4s ease, transform 0.3s ease;
  }
  .step:hover {
    box-shadow: 0 8px 28px rgba(244,127,21,0.18), 0 0 0 1px rgba(244,127,21,0.08);
    transform: translateY(-2px);
  }
  .step::before {
    content: "";
    position: absolute;
    inset: 0;
    padding: 1.5px;
    border-radius: inherit;
    background:
      linear-gradient(rgba(255,255,255,0.08), rgba(255,255,255,0.08)),
      conic-gradient(from var(--beam-angle), transparent 0deg, transparent 280deg, var(--orange) 320deg, #ff9f3a 340deg, var(--orange) 360deg);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
    opacity: 0.55;
    transition: opacity 0.4s ease;
  }
  .step:hover::before {
    opacity: 1;
    animation: beam-spin 3.6s linear infinite;
  }
  @keyframes beam-spin {
    to { --beam-angle: 360deg; }
  }
  /* Fallback fuer Browser ohne @property-Support */
  @supports not (background: conic-gradient(from 0deg, red, blue)) {
    .step { border: 1px solid var(--border); transition: border-color 0.4s ease; }
    .step::before { display: none; }
    .step:hover { border-color: var(--orange-border-active); }
  }
  .step-num { display: inline-block; font-size: 0.78rem; color: var(--orange); font-weight: 700; letter-spacing: 0.12em; margin-bottom: 10px; }
  .step h3 { margin: 0 0 8px; font-size: 1.1rem; color: var(--text); }
  .step p { margin: 0; font-size: 0.95rem; color: var(--text-dim); line-height: 1.65; }

  /* Footer - Pattern wie redesign.mk-i.net */
  footer.site { margin-top: 80px; padding: 20px 24px; border-top: 1px solid var(--border); background: var(--bg); }
  .footer-inner { max-width: 1160px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
  .footer-inner p { margin: 0; font-size: 0.85rem; color: rgba(233,238,247,0.62); }
  .footer-links { display: flex; gap: 1rem; flex-wrap: wrap; }
  .footer-links a { color: rgba(233,238,247,0.62); text-decoration: none; font-size: 0.78rem; transition: color 0.15s; }
  .footer-links a:hover { color: var(--orange); }
  .footer-social { display: flex; gap: 0.65rem; align-items: center; }
  .footer-social a {
    display: inline-flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; border-radius: 8px;
    color: rgba(233,238,247,0.62);
    border: 1px solid var(--border);
    transition: color .15s, border-color .15s, background .15s, transform .15s;
    text-decoration: none;
  }
  .footer-social a:hover {
    color: var(--orange);
    border-color: var(--orange);
    background: rgba(244,127,21,0.08);
    transform: translateY(-1px);
  }
  .footer-social a svg { width: 16px; height: 16px; }

  @media (max-width: 720px) {
    header.site { padding: 16px 18px; }
    .header-nav { gap: 16px; }
    main { padding: 36px 18px 48px; }
    .form-card { padding: 24px 20px; }
    .trust-row { gap: 16px; }
    .trust { font-size: 0.85rem; }
    #toTopBtn { bottom: 20px !important; }
  }

  /* Success-Modal nach erfolgreichem Submit - Form wird ausgeblendet, Modal blockiert */
  .success-modal-bg {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 1100; align-items: center; justify-content: center;
    backdrop-filter: blur(6px);
    animation: smfade .25s ease-out;
  }
  .success-modal-bg.show { display: flex; }
  @keyframes smfade { from { opacity: 0 } to { opacity: 1 } }
  .success-modal {
    background: linear-gradient(180deg, var(--panel) 0%, var(--bg) 100%);
    border: 1px solid var(--orange-border);
    border-top: 3px solid var(--good);
    border-radius: 16px;
    max-width: 540px; width: 92%;
    padding: 0;
    box-shadow: 0 24px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(244,127,21,0.06);
    animation: smslide .35s cubic-bezier(.2,.8,.2,1);
    overflow: hidden;
  }
  @keyframes smslide { from { transform: translateY(30px) scale(0.96); opacity: 0 } to { transform: translateY(0) scale(1); opacity: 1 } }
  .success-modal-icon {
    width: 64px; height: 64px; margin: 32px auto 16px;
    border-radius: 50%;
    background: rgba(6,214,160,0.15);
    border: 2px solid rgba(6,214,160,0.4);
    display: flex; align-items: center; justify-content: center;
    color: var(--good);
    animation: smpulse 1.8s ease-in-out infinite;
  }
  @keyframes smpulse { 0%,100% { box-shadow: 0 0 0 0 rgba(6,214,160,0.35) } 50% { box-shadow: 0 0 0 14px rgba(6,214,160,0) } }
  .success-modal h2 {
    text-align: center; margin: 0 24px 14px;
    font-size: 1.45rem; line-height: 1.3; color: var(--text);
    letter-spacing: -.01em;
  }
  .success-modal p {
    text-align: center; margin: 0 32px 12px;
    color: var(--text-muted); font-size: 1rem; line-height: 1.6;
  }
  .success-modal .email-highlight {
    display: inline-block; margin-top: 4px;
    color: var(--orange); font-weight: 600;
    word-break: break-all;
  }
  .success-modal-actions {
    padding: 26px 32px 32px;
    display: flex; justify-content: center;
  }
  .success-modal-ok {
    min-width: 180px;
    padding: 13px 32px;
    background: var(--orange);
    color: #0d1117;
    border: none;
    border-radius: 10px;
    font-size: 1rem; font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s, transform 0.05s, box-shadow .2s;
    box-shadow: 0 4px 14px rgba(244,127,21,0.35);
  }
  .success-modal-ok:hover { background: var(--orange-hover); box-shadow: 0 6px 20px rgba(244,127,21,0.5); }
  .success-modal-ok:active { transform: translateY(1px); }
  .form-card.hidden { display: none; }

  /* Email-Validation Modal */
  .modal-bg {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.78);
    z-index: 1100; align-items: center; justify-content: center;
    backdrop-filter: blur(4px);
  }
  .modal-bg.show { display: flex; }
  .email-modal {
    background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
    max-width: 540px; width: 92%; padding: 28px 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  }
  .email-modal h3 {
    margin: 0 0 14px; font-size: 1.25rem; color: var(--orange);
  }
  .email-modal p { margin: 0 0 12px; color: var(--text-muted); font-size: 0.95rem; line-height: 1.55; }
  .email-modal p strong { color: var(--text); }
  .email-modal em { color: var(--orange); font-style: normal; font-weight: 600; }
  .email-modal .actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
  .email-modal button {
    padding: 10px 18px; border-radius: 8px; font-size: 0.95rem; font-weight: 600;
    cursor: pointer; font-family: inherit; border: 1px solid var(--border);
    background: rgba(255,255,255,0.04); color: var(--text-muted);
    transition: all .15s;
  }
  .email-modal button:hover { background: rgba(255,255,255,0.08); color: var(--text); }
  .email-modal button.primary {
    background: var(--orange); color: #0d1117; border-color: var(--orange);
  }
  .email-modal button.primary:hover { background: var(--orange-hover); border-color: var(--orange-hover); }

  /* TOP button - modern glassy with orange accent */
  #toTopBtn {
    position: fixed;
    right: 18px;
    bottom: 24px;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    border: 1px solid rgba(244,127,21,0.30);
    background: linear-gradient(180deg, rgba(20,24,32,0.78), rgba(15,18,24,0.62));
    -webkit-backdrop-filter: blur(14px) saturate(1.2);
    backdrop-filter: blur(14px) saturate(1.2);
    color: #F47F15;
    display: none;
    place-items: center;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(244,127,21,0.20), 0 12px 32px rgba(0,0,0,0.35), inset 0 0 0 1px rgba(255,255,255,0.04);
    z-index: 1001;
    transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s ease, border-color .25s ease, background .25s ease, color .2s ease;
  }
  #toTopBtn:hover {
    transform: translateY(-2px);
    border-color: rgba(244,127,21,0.55);
    background: linear-gradient(180deg, rgba(244,127,21,0.18), rgba(244,127,21,0.05));
    color: #ffb259;
    box-shadow: 0 12px 32px rgba(244,127,21,0.32), 0 14px 36px rgba(0,0,0,0.40);
  }
  #toTopBtn:active { transform: translateY(0); }
  #toTopBtn.show {
    display: grid;
    animation: toTopFadeIn .35s ease both;
  }
  @keyframes toTopFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
  }