:root {
      --bg-main: #07090e;
      --bg-surface: #0f1523;
      --bg-card: #151d30;
      --bg-card-hover: #1b253b;
      --border: #232f48;
      --border-focus: #10b981;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --accent: #10b981;
      --accent-hover: #059669;
      --accent-blue: #3b82f6;
      --danger: #ef4444;
      --radius: 12px;
      --max-w: 1200px;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg-main); color: var(--text-main); line-height: 1.6; }
    body { overflow-x: hidden; }
    a { color: inherit; text-decoration: none; transition: 0.2s; }
    ul { list-style: none; }

    .container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

    /* Header */
    header { position: sticky; top: 0; z-index: 1000; background: rgba(7, 9, 14, 0.92); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
    .nav-bar { display: flex; align-items: center; justify-content: space-between; height: 76px; }
    .logo { display: flex; align-items: center; gap: 0.65rem; font-weight: 800; font-size: 1.3rem; letter-spacing: -0.02em; }
    .logo-badge { background: var(--accent); color: #042f1e; padding: 0.2rem 0.6rem; border-radius: 6px; font-weight: 900; font-size: 0.95rem; }
    .logo em { font-style: normal; color: var(--accent); }
    nav { display: flex; gap: 1.75rem; font-size: 0.95rem; font-weight: 500; color: var(--text-muted); }
    nav a:hover { color: var(--text-main); }
    
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.7rem 1.35rem; border-radius: 8px; font-weight: 600; font-size: 0.95rem; cursor: pointer; border: none; transition: 0.2s; }
    .btn-primary { background: var(--accent); color: #042f1e; box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25); }
    .btn-primary:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); }
    .btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-main); }
    .btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(16, 185, 129, 0.04); }

    /* Hero */
    .hero { padding: 5rem 0 4rem; border-bottom: 1px solid var(--border); background: radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 40%), radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.06) 0%, transparent 40%); }
    .hero-grid { display: grid; grid-template-columns: 1.25fr 0.95fr; gap: 3.5rem; align-items: center; }
    .tag { display: inline-block; background: rgba(16, 185, 129, 0.12); color: var(--accent); border: 1px solid rgba(16, 185, 129, 0.3); padding: 0.3rem 0.85rem; border-radius: 99px; font-size: 0.82rem; font-weight: 700; margin-bottom: 1.2rem; text-transform: uppercase; letter-spacing: 0.06em; }
    .hero h1 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); line-height: 1.12; margin-bottom: 1.25rem; font-weight: 800; letter-spacing: -0.03em; }
    .hero h1 span { color: var(--accent); }
    .hero p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2rem; max-width: 620px; }
    .hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
    .trust-row { display: flex; flex-wrap: wrap; gap: 1.5rem; font-size: 0.88rem; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: 1.5rem; }
    .trust-row b { color: var(--text-main); }

    .hero-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
    .mini-card { background: var(--bg-card); border: 1px solid var(--border); padding: 1.35rem; border-radius: var(--radius); transition: 0.2s; }
    .mini-card:hover { border-color: rgba(16, 185, 129, 0.4); transform: translateY(-2px); }
    .mini-card-icon { font-size: 1.7rem; margin-bottom: 0.5rem; }
    .mini-card-title { font-weight: 700; margin-bottom: 0.25rem; font-size: 1.02rem; }
    .mini-card-sub { font-size: 0.86rem; color: var(--text-muted); }

    /* Sections */
    section { padding: 5rem 0; border-bottom: 1px solid var(--border); }
    .section-head { margin-bottom: 3rem; max-width: 760px; }
    .section-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); margin-bottom: 0.75rem; letter-spacing: -0.02em; }
    .section-head p { color: var(--text-muted); font-size: 1.05rem; }

    /* Grid Cards */
    .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 1.75rem; }
    .card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.8rem; display: flex; flex-direction: column; justify-content: space-between; transition: 0.25s; position: relative; }
    .card:hover { background: var(--bg-card-hover); border-color: rgba(16, 185, 129, 0.4); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
    .card h3 { font-size: 1.3rem; margin-bottom: 0.6rem; display: flex; align-items: center; justify-content: space-between; font-weight: 700; }
    .card p { color: var(--text-muted); font-size: 0.94rem; margin-bottom: 1.2rem; }
    .spec-list { margin-bottom: 1.75rem; border-top: 1px solid var(--border); padding-top: 1rem; }
    .spec-list li { display: flex; justify-content: space-between; align-items: center; padding: 0.55rem 0; font-size: 0.92rem; border-bottom: 1px dashed rgba(255,255,255,0.06); gap: 0.75rem; }
    .spec-list li span:last-child { font-weight: 700; color: var(--accent); text-align: right; }
    .badge-custom { background: rgba(59, 130, 246, 0.15); color: #60a5fa !important; padding: 0.2rem 0.55rem; border-radius: 6px; font-size: 0.8rem; font-weight: 700; border: 1px solid rgba(59, 130, 246, 0.3); }

    /* HDD Special Banner */
    .hdd-banner { margin-top: 2.5rem; background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(59, 130, 246, 0.1)); border: 1px solid rgba(16, 185, 129, 0.35); border-radius: var(--radius); padding: 2rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.75rem; box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
    .hdd-banner h3 { font-size: 1.35rem; margin-bottom: 0.45rem; font-weight: 700; }
    .hdd-banner p { color: var(--text-muted); max-width: 740px; font-size: 0.98rem; }

    /* Steps */
    .steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
    .step-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem; position: relative; }
    .step-num { width: 38px; height: 38px; border-radius: 50%; background: var(--accent); color: #042f1e; font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 1.2rem; font-size: 1.05rem; }
    .step-box h3 { font-size: 1.15rem; margin-bottom: 0.5rem; font-weight: 700; }
    .step-box p { font-size: 0.92rem; color: var(--text-muted); }

    /* FAQ */
    .faq-list { display: grid; gap: 1rem; max-width: 900px; }
    details { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem 1.6rem; transition: 0.2s; }
    details[open] { border-color: rgba(16, 185, 129, 0.4); background: var(--bg-card-hover); }
    summary { font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 1.05rem; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; font-size: 1.4rem; color: var(--accent); font-weight: 800; transition: transform 0.2s; }
    details[open] summary::after { content: "−"; }
    details p { margin-top: 1rem; color: var(--text-muted); font-size: 0.96rem; border-top: 1px solid var(--border); padding-top: 1rem; }

    /* Contact Form */
    .contact-grid { display: grid; grid-template-columns: 1.35fr 0.85fr; gap: 3rem; align-items: start; }
    .form-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.25rem; box-shadow: 0 12px 32px rgba(0,0,0,0.3); }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-bottom: 1.2rem; }
    .form-group { margin-bottom: 1.25rem; }
    label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 0.45rem; color: var(--text-main); }
    input, select, textarea { width: 100%; padding: 0.8rem 1rem; background: var(--bg-main); border: 1px solid var(--border); border-radius: 8px; color: var(--text-main); font-size: 0.96rem; font-family: inherit; transition: 0.2s; }
    input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15); }
    .hp-field { display: none !important; visibility: hidden; }
    .checkbox-group { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.88rem; color: var(--text-muted); margin-bottom: 1.5rem; }
    .checkbox-group input { width: auto; margin-top: 0.25rem; accent-color: var(--accent); }
    .checkbox-group a { color: var(--accent); text-decoration: underline; }
    .form-status { margin-top: 1.2rem; padding: 1rem; border-radius: 8px; font-size: 0.94rem; display: none; }
    .form-status.success { display: block; background: rgba(16, 185, 129, 0.15); border: 1px solid var(--accent); color: #6ee7b7; }
    .form-status.error { display: block; background: rgba(239, 68, 68, 0.15); border: 1px solid var(--danger); color: #fca5a5; }

    .info-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.8rem; display: grid; gap: 1.25rem; box-shadow: 0 12px 32px rgba(0,0,0,0.3); }
    .info-item-label { font-size: 0.82rem; text-transform: uppercase; color: var(--text-muted); letter-spacing: 0.05em; font-weight: 700; }
    .info-item-val { font-weight: 700; font-size: 1.05rem; }

    footer { padding: 3rem 0; font-size: 0.92rem; color: var(--text-muted); border-top: 1px solid var(--border); background: var(--bg-surface); }
    .footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1.25rem; }
    .footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; font-weight: 500; }

    @media (max-width: 900px) {
      .hero-grid, .contact-grid, .form-row { grid-template-columns: 1fr; }
      nav { display: none; }
    }
  
/* ============ Kompatibilitäts-Block: alte Unterseiten (services/, blog/, legal) ============ */
.btn.alt { background: transparent; color: var(--fg); border: 1px solid var(--line); margin-left: 10px; }
.btn.alt { margin: 10px 0 0; }
.legal .box { max-width: 800px; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--fg); }
.brand .logo { width: 34px; height: 34px; border-radius: 9px;

  display: grid; place-items: center;

  background: linear-gradient(135deg, var(--accent), var(--accent-2));

  color: #0b0d12; font-weight: 900; }
.crumbs { font-size: .85rem; color: var(--muted); }
.cta-box { background: linear-gradient(135deg, rgba(53,224,161,.12), rgba(53,224,161,.03)); border: 1px solid rgba(53,224,161,.35); border-radius: var(--radius); padding: 30px 28px; margin: 40px 0; text-align: center; }
.sys-card .d { color: var(--muted); font-size: .85rem; margin-top: 4px; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; }
.foot-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.sys-card .ico { font-size: 2rem; margin-bottom: 10px; }
/* LEGAL */

.legal { background: var(--bg-2); }
.muted { color: var(--muted); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links { display: none; }
.note { font-size: .88rem; color: var(--muted); }
.price-table .preis { font-weight: 800; color: var(--accent); white-space: nowrap; }
.sys-card .preis { margin-top: 10px; font-weight: 700; color: var(--accent); }
.price-table { width: 100%; border-collapse: collapse; }
.sys-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; text-align: center; transition: border-color .2s, transform .12s; }
.sys-card .n { font-weight: 800; }
/* SYSTEMS */

.sys-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }

/* aktiver Nav-Punkt (Unterseiten) */
.nav-links a.active { color: var(--accent); }