:root {
    --bg: #f4f5f7;
    --paper: #ffffff;
    --ink: #14213d;
    --ink-soft: #3a4661;
    --line: #e3e7ee;
    --blue-1: #0c2440;
    --blue-2: #1f3b6f;
    --blue-3: #2d5096;
    --gold: #b08d4f;
    --gold-soft: #c9a96b;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html, body {
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Inter", Helvetica, Arial, sans-serif;
    font-size: 16.5px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  /* Top header with geometric blue background ------------------ */
  .topnav-wrap {
    position: relative;
    background:
      linear-gradient(135deg, rgba(8, 22, 48, 0.85) 0%, rgba(20, 50, 100, 0.78) 60%, rgba(8, 22, 48, 0.92) 100%),
      var(--blue-1);
  }
  .topnav-wrap::before {
    /* simulated geometric pattern */
    content: "";
    position: absolute;
    inset: 0;
    background:
      linear-gradient(45deg, transparent 30%, rgba(80, 130, 200, 0.18) 30%, rgba(80, 130, 200, 0.18) 31%, transparent 31%) 0 0/240px 240px,
      linear-gradient(-45deg, transparent 60%, rgba(40, 80, 150, 0.18) 60%, rgba(40, 80, 150, 0.18) 61%, transparent 61%) 0 0/280px 280px,
      radial-gradient(ellipse at 80% 20%, rgba(0, 0, 0, 0.45) 0%, transparent 60%);
    pointer-events: none;
  }
  .topnav {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 32px 6vw 28px;
    color: #fff;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .brand-mark {
    width: 56px;
    height: 56px;
    border: 2px solid #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 22px;
    letter-spacing: -0.03em;
  }
  .brand-text {
    line-height: 1.15;
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 0.005em;
  }
  .brand-text .small {
    display: block;
    font-size: 14px;
    font-weight: 400;
    color: #cfd9e8;
    letter-spacing: 0.04em;
  }
  .nav-items {
    display: flex;
    gap: 28px;
    font-size: 15.5px;
  }
  .nav-items a {
    color: #fff;
    text-decoration: none;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s ease;
    white-space: nowrap;
  }
  .nav-items a:hover { border-bottom-color: var(--gold-soft); }
  .nav-items a.active { border-bottom-color: var(--gold-soft); }

  /* Burger toggle (responsive) ---------------------------------- */
  .nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    width: 44px;
    height: 36px;
    padding: 8px 6px;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
  }
  .nav-toggle span {
    display: block;
    height: 2px;
    background: #fff;
    width: 100%;
    transition: transform 0.2s ease, opacity 0.2s ease;
    transform-origin: center;
  }
  .nav-toggle.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

  @media (max-width: 1100px) {
    .nav-toggle { display: flex; }
    .nav-items {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      flex-direction: column;
      gap: 0;
      background: var(--blue-1);
      padding: 8px 6vw 16px;
      z-index: 50;
      box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    }
    .nav-items.open { display: flex; }
    .nav-items a {
      padding: 14px 0;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .nav-items a:last-child { border-bottom: 0; }
  }

  /* Hero Block -------------------------------------------------- */
  .hero {
    position: relative;
    padding: 8vh 6vw 0;
    color: #fff;
  }
  .hero-headline {
    display: inline-block;
    background: rgba(255, 255, 255, 0.96);
    color: var(--ink);
    padding: 14px 28px;
    font-size: clamp(28px, 3.6vw, 48px);
    font-weight: 500;
    line-height: 1.18;
    letter-spacing: -0.005em;
    margin-bottom: 6px;
  }
  .hero-headline + .hero-headline { display: block; max-width: 720px; }
  .hero-phone {
    text-align: right;
    color: #f0f4fb;
    font-size: 17px;
    margin: 28px 0 8px;
    letter-spacing: 0.01em;
  }

  /* Card with portrait and intro text -------------------------- */
  .intro-card-wrap {
    position: relative;
    margin-top: 64px;
    padding: 0 6vw 0;
    transform: translateY(80px);
  }
  .intro-card {
    background: var(--paper);
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 0;
    box-shadow: 0 24px 60px rgba(8, 22, 48, 0.18);
    overflow: hidden;
  }
  .intro-photo {
    background-image: url("assets/portrait-cv.jpg");
    background-size: cover;
    background-position: center 25%;
    background-color: #e8eef5;
    min-height: 460px;
  }
  .intro-text {
    padding: 56px 56px 56px 56px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .intro-text p {
    color: var(--ink-soft);
    font-size: 17px;
    line-height: 1.7;
  }
  .intro-text p + p { margin-top: 18px; }
  .intro-text strong { color: var(--blue-2); font-weight: 600; }
  .cta {
    margin-top: 32px;
    display: inline-block;
    background: var(--gold-soft);
    color: #fff;
    padding: 14px 26px;
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: background 0.2s;
    align-self: flex-start;
  }
  .cta:hover { background: var(--gold); }

  /* Spacer compensating for negative card offset --------------- */
  .spacer { height: 80px; background: var(--bg); }

  /* Sections ---------------------------------------------------- */
  section {
    padding: 110px 6vw;
    background: var(--bg);
  }
  section.dark {
    background: var(--blue-1);
    color: #f3f6fa;
  }
  section h2 {
    font-size: clamp(26px, 2.8vw, 38px);
    font-weight: 500;
    margin-bottom: 14px;
    letter-spacing: -0.005em;
  }
  .eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 12px;
    color: var(--gold);
    margin-bottom: 16px;
    display: block;
  }
  section.dark .eyebrow { color: var(--gold-soft); }

  /* Schwerpunkte ----------------------------------------------- */
  .schwerpunkte {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 48px;
  }
  .pillar {
    background: var(--paper);
    padding: 36px 30px;
    border-top: 3px solid var(--gold-soft);
  }
  .pillar h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--ink);
  }
  .pillar p {
    color: var(--ink-soft);
    font-size: 15.5px;
    line-height: 1.65;
  }

  /* Cases ------------------------------------------------------- */
  .cases {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 48px;
  }
  .case-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 32px 32px 36px;
    text-decoration: none;
    display: block;
    color: inherit;
  }
  .case-card-link {
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
    position: relative;
  }
  .case-card-link:hover {
    background: rgba(255,255,255,0.10);
    border-color: var(--gold-soft);
    transform: translateY(-2px);
  }
  .case-detail-link {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,0.12);
    color: var(--gold-soft);
    font-size: 13px;
    letter-spacing: 0.06em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: 100%;
  }
  .case-detail-link svg { stroke: var(--gold-soft); }
  .case-card-link:hover .case-detail-link { color: #fff; }
  .case-card-link:hover .case-detail-link svg { stroke: #fff; }
  .case-card h3 {
    color: #fff;
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: 0.005em;
  }
  .case-card .kpi {
    color: var(--gold-soft);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 18px;
  }
  .case-card p {
    color: #cfd9e8;
    font-size: 15.5px;
    line-height: 1.65;
  }

  /* Kompetenzen Liste ------------------------------------------ */
  .kompetenzen-list {
    columns: 2;
    column-gap: 56px;
    max-width: 1000px;
    margin-top: 32px;
  }
  .kompetenzen-list li {
    list-style: none;
    padding: 16px 0 16px 26px;
    border-bottom: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 16px;
    break-inside: avoid;
    position: relative;
  }
  .kompetenzen-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 22px;
    width: 14px;
    height: 14px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="none" stroke="%23b08d4f" stroke-width="2.4"><path stroke-linecap="round" stroke-linejoin="round" d="M8.25 4.5l7.5 7.5-7.5 7.5"/></svg>') center/contain no-repeat;
  }

  /* Kontakt ----------------------------------------------------- */
  .kontakt-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    max-width: 1100px;
    margin-top: 40px;
  }
  .kontakt-line {
    color: #cfd9e8;
    font-size: 16.5px;
    margin-bottom: 6px;
  }
  .kontakt-line strong { color: #fff; }

  /* Footer ------------------------------------------------------ */
  .bottombar {
    background: #07172e;
    color: #6a7a96;
    padding: 26px 6vw;
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
  }
  .bottombar .footer-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
  }
  .bottombar .footer-links a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s;
  }
  .bottombar .footer-links a:hover { color: var(--gold-soft); }

  /* Legal-Pages (Impressum, Datenschutz, AGB) — Markdown-Output */
  .legal-content { color: var(--ink-soft); line-height: 1.7; }
  .legal-content h2 {
    color: var(--ink);
    font-size: 22px;
    font-weight: 600;
    margin: 36px 0 14px;
    letter-spacing: -0.005em;
  }
  .legal-content h2:first-child { margin-top: 0; }
  .legal-content h3 {
    color: var(--ink);
    font-size: 17px;
    font-weight: 600;
    margin: 24px 0 10px;
  }
  .legal-content p { margin: 0 0 14px; }
  .legal-content ul, .legal-content ol { margin: 0 0 14px; padding-left: 22px; }
  .legal-content li { margin-bottom: 6px; }
  .legal-content a { color: var(--blue-2); border-bottom: 1px solid var(--gold-soft); text-decoration: none; }
  .legal-content a:hover { color: var(--gold); }
  .legal-content strong { color: var(--ink); }
  .legal-content em { color: var(--ink-soft); font-style: italic; }
  .legal-content blockquote {
    border-left: 3px solid var(--gold-soft);
    padding: 4px 18px;
    margin: 18px 0;
    color: var(--ink-soft);
    font-style: italic;
  }
  .legal-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0;
  }
  .legal-content th {
    text-align: left;
    padding: 10px 14px;
    background: #f3f6fa;
    color: var(--ink);
    font-weight: 600;
    border-bottom: 1px solid var(--blue-2);
  }
  .legal-content td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
  }

  /* Mobile ------------------------------------------------------ */
  @media (max-width: 880px) {
    .intro-card { grid-template-columns: 1fr; transform: none; }
    .intro-card-wrap { transform: none; margin-top: 32px; padding: 0 4vw; }
    .intro-photo { min-height: 320px; }
    .intro-text { padding: 36px 28px; }
    .intro-text p { font-size: 16px; }
    .schwerpunkte, .cases, .kontakt-grid { grid-template-columns: 1fr; gap: 18px; }
    .kompetenzen-list { columns: 1; }
    .spacer { display: none; }
    section { padding: 80px 6vw; }
    section h2 { font-size: 26px; }
    .topnav { padding: 22px 6vw 20px; }
    .brand-mark { width: 48px; height: 48px; font-size: 20px; }
    .brand-text { font-size: 17px; }
    .brand-text .small { font-size: 12.5px; }
    .hero { padding: 6vh 6vw 0; }
    .hero-headline { padding: 12px 22px; font-size: clamp(24px, 6vw, 36px); }
    .hero-phone { text-align: left; font-size: 15px; }
    .pillar { padding: 28px 24px; }
    .case-card { padding: 26px 24px 28px; }
    .bottombar { flex-direction: column; gap: 6px; padding: 22px 6vw; }
  }
  @media (max-width: 480px) {
    .topnav { padding: 18px 5vw 16px; }
    .brand-mark { width: 42px; height: 42px; font-size: 18px; }
    .brand-text { font-size: 15.5px; }
    .brand-text .small { font-size: 11.5px; }
    .intro-text { padding: 28px 22px; }
    .intro-text p { font-size: 15px; line-height: 1.65; }
    section { padding: 60px 5vw; }
    section h2 { font-size: 22px; }
    .pillar h3 { font-size: 18px; }
    .pillar p { font-size: 14.5px; }
    .case-card h3 { font-size: 17px; }
    .case-card .kpi { font-size: 12.5px; letter-spacing: 0.03em; }
    .kompetenzen-list li { padding: 14px 0 14px 24px; font-size: 15px; }
    .cta { padding: 12px 22px; font-size: 14.5px; }
  }