*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --bg:        #FFFFAA;
    --bg2:       #FFFFC0;
    --bg3:       #FFFF88;
    --text:      #000000;
    --text-dim:  #333333;
    --accent:    #000099;
    --border:    #cccc88;
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: Verdana, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.65;
    overflow-x: hidden;
  }

  a { color: #000000; text-decoration: none; }
  a:visited { color: #000000; }
  a:hover { color: var(--accent); }
  
  .punkt { color: var(--accent); font-weight: bold;}

  /* ==========================================── HEADER ──========================================== */
  header {
    background: var(--bg);
    border-bottom: 3px solid var(--accent);
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .logo-wrap { display: flex; align-items: baseline; gap: 0.75rem; }

  .site-title {
    font-family: Verdana, Arial, sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text);
    text-transform: uppercase;
  }

  .site-title .dot { color: var(--accent); }

  .site-sub {
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .header-nav { display: flex; gap: 2rem; }

  .header-nav a {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text);
    font-weight: 600;
  }

  .header-nav a:hover { color: var(--accent); }

  /* ==========================================── HERO ──========================================== */
  .hero {
    padding: 6rem 4rem 5rem;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 5rem;
    align-items: center;
    border-bottom: 1px solid var(--border);
  }
  .hero-ds {
	padding: 6rem 4rem 5rem;
	display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 5rem;
    align-items: upper;
    border-bottom: 1px solid var(--border);
  }
  
  .hero-headline {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }

  .hero-headline .highlight { color: var(--accent); }

  .hero-desc {
    font-size: 0.95rem;
    color: var(--text-dim);
    line-height: 1.85;
    margin-bottom: 2.5rem;
  }

  .cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--accent);
    color: #ffffff !important;
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 0.85rem 1.75rem;
    transition: opacity 0.2s;
  }

  .cta-btn:hover { opacity: 0.85; }
  .cta-btn::after { content: ' →'; }

  /* ==========================================── SECTIONS ──========================================== */
  .section {
    padding: 5rem 4rem;
    border-bottom: 1px solid var(--border);
  }

  .section-label {
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
  }

  /* ==========================================── PROCESS CARDS (accordion) ──========================================== */
  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    align-items: start;
  }

  .process-item {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-top: 3px solid var(--accent);
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
  }

  .process-item:hover { background: var(--bg3); }
  .process-item.open   { background: var(--bg3); border-color: var(--accent); }

  .process-header {
    padding: 2rem 1.75rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
  }

  .process-num {
    font-size: 0.62rem;
    color: var(--accent);
    letter-spacing: 0.18em;
    font-weight: 700;
  }

  .process-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
  }

  .process-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.3;
  }

  .process-arrow {
    color: var(--accent);
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
    transition: transform 0.3s ease;
    line-height: 1;
  }

  .process-item.open .process-arrow {
    transform: rotate(180deg);
  }

  /* ========================================== Accordion body ========================================== */
  .process-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
  }

  .process-item.open .process-body {
    grid-template-rows: 1fr;
  }

  .process-body-inner {
    overflow: hidden;
  }

  .process-body-content {
    padding: 0 1.75rem 1.75rem;
    font-size: 0.88rem;
    color: var(--text-dim);
    line-height: 1.8;
    border-top: 1px solid var(--border);
    padding-top: 1.25rem;
  }

  .process-body-content p { margin-bottom: 0.75rem; }
  .process-body-content p:last-child { margin-bottom: 0; }

  /* ========================================== workflow list ========================================== */
  .workflow-list {
    list-style: none;
    margin-top: 0.5rem;
  }

  .workflow-list li {
    padding: 0.3rem 0;
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    color: var(--text);
    font-weight: 600;
  }

  .workflow-list li::before {
    content: '▸';
    color: var(--accent);
    font-size: 0.65rem;
    flex-shrink: 0;
  }

  /* ==========================================── PRODUKTE ──========================================== */
  .products-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 5rem;
    align-items: start;
  }

  .products-headline {
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.35;
    color: var(--text);
  }

  .products-headline span { color: var(--accent); }

  .products-list { list-style: none; }

  .products-list li {
    font-size: 0.95rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.85rem;
    transition: color 0.2s, padding-left 0.2s;
  }

  .products-list li:first-child { border-top: 1px solid var(--border); }

  .products-list li::before {
    content: '▸';
    color: var(--accent);
    font-size: 0.7rem;
    flex-shrink: 0;
  }

  .products-list li:hover { color: var(--accent); padding-left: 0.4rem; }

  /* ==========================================── LEISTUNGEN ──========================================== */
  .leistungen-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .leistung-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    padding: 2.5rem 2rem;
    transition: background 0.2s, border-color 0.2s;
  }

  .leistung-card:hover { background: var(--bg3); border-color: var(--accent); }

  .leistung-icon {
    font-size: 0.62rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-weight: 700;
  }

  .leistung-title {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text);
    line-height: 1.5;
  }

 /* ==========================================── TOP-LEISTUNGEN für Startseite ──========================================== */
  .topleistungen-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .topleistung-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    padding: 2.5rem 2rem;
    transition: background 0.2s, border-color 0.2s;
  }

  .topleistung-card:hover { background: var(--bg3); border-color: var(--accent); }

  .topleistung-icon {
    font-size: 0.62rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-weight: 700;
  }

  .topleistung-title {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text);
    line-height: 1.5;
  }

  /* ==========================================── KONTAKT ──========================================== */
  .kontakt-section {
    padding: 6rem 4rem;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 5rem;
    align-items: center;
  }

  .kontakt-big {
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.2;
    color: var(--text);
  }

  .kontakt-big span { color: var(--accent); }

  .kontakt-desc {
    font-size: 0.95rem;
    color: var(--text-dim);
    line-height: 1.85;
    margin-bottom: 2rem;
  }

  .mail-link {
    font-size: 0.88rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding-bottom: 0.2rem;
    border-bottom: 1.5px solid #000000;
    transition: color 0.2s, border-color 0.2s;
  }

  .mail-link:hover { border-color: var(--accent); }

  /* ==========================================── FOOTER ──========================================== */
  footer {
    background: var(--bg3);
    border-top: 3px solid var(--accent);
    padding: 2rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .footer-brand {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-dim);
  }

  .footer-links { display: flex; gap: 2rem; }

  .footer-links a {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 600;
  }

  /* ============================── ANIMATIONS ──========================================== */
  .fade-up {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .fade-up.visible { opacity: 1; transform: translateY(0); }

  /* ============================── RESPONSIVE ──========================================== */
  @media (max-width: 900px) {
    header { padding: 1.25rem 1.5rem; flex-wrap: wrap; gap: 1rem; }
    .header-nav { display: none; }
    .hero { padding: 3.5rem 1.5rem; grid-template-columns: 1fr; gap: 2rem; }
    .section { padding: 3rem 1.5rem; }
    .process-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .products-layout { grid-template-columns: 1fr; gap: 2rem; }
    .leistungen-grid { grid-template-columns: 1fr; }
    .kontakt-section { grid-template-columns: 1fr; padding: 3rem 1.5rem; gap: 2rem; }
    footer { flex-direction: column; gap: 1rem; padding: 1.5rem; }
  }

  @media (max-width: 600px) {
    .process-grid { grid-template-columns: 1fr; }