:root {
      --bg: #ffffff;
      --bg-alt: #f7f7f8;
      --text: #19191a;
      --muted: #666870;
      --primary: #111827;
      --accent: #0ea5e9;
      --border: #e4e4e7;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
    }

    /* Sleek minimalist logo & header */
    header {
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(14px);
      background: rgba(255,255,255,0.9);
    }
    .header-inner {
      max-width: 1120px;
      margin: 0 auto;
      padding: 14px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .logo-mark {
      width: 32px;
      height: 32px;
      border-radius: 999px;
      background: radial-gradient(circle at 30% 20%, #38bdf8, #0f172a);
      position: relative;
      overflow: hidden;
    }
    .logo-mark::after {
      content: "";
      position: absolute;
      left: 18%;
      top: 46%;
      width: 72%;
      height: 2px;
      background: rgba(248,250,252,0.9);
      transform: skewX(-18deg);
      box-shadow: 0 0 0 1px rgba(15,23,42,0.08);
    }
    .logo-text-main {
      font-weight: 700;
      letter-spacing: 0.16em;
      font-size: 0.9rem;
      text-transform: uppercase;
    }
    .logo-text-sub {
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.22em;
      color: var(--muted);
    }
    nav a {
      font-size: 0.9rem;
      color: var(--muted);
      text-decoration: none;
      margin-left: 18px;
    }
    nav a:hover { color: var(--text); }

    .btn-primary {
      display: inline-block;
      padding: 9px 16px;
      border-radius: 999px;
      background: var(--accent);
      color: #0b1120;
      text-decoration: none;
      text-align: center;
      font-size: 0.9rem;
      border: none;
      cursor: pointer;
    }
    .btn-primary:hover { background: #38bdf8; }

    .btn-ghost {
      display: inline-block;
      padding: 8px 14px;
      border-radius: 999px;
      border: 1px solid var(--border);
      text-decoration: none;
      font-size: 0.85rem;
      color: var(--muted);
    }
    .btn-ghost:hover { border-color: var(--text); color: var(--text); }

    main { max-width: 1120px; margin: 0 auto; padding: 26px 20px 40px; }

    /* Hero */
    .hero {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
      gap: 26px;
      align-items: center;
      padding: 10px 0 28px;
    }
    .hero h1 {
      font-size: 2.1rem;
      line-height: 1.15;
      margin-bottom: 10px;
    }
    .hero p {
      color: var(--muted);
      margin-bottom: 14px;
      max-width: 540px;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 16px;
    }
    .hero-tag {
      font-size: 0.75rem;
      border-radius: 999px;
      border: 1px solid var(--border);
      padding: 4px 10px;
      color: var(--muted);
    }
    .hero-cta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      margin-bottom: 8px;
    }
    .hero-note { font-size: 0.8rem; color: var(--muted); }

    .hero-panel {
      border-radius: 14px;
      border: 1px solid var(--border);
      padding: 16px 16px 14px;
      background: linear-gradient(145deg, #f9fafb, #f4f4f5);
    }
    .hero-panel h2 { font-size: 1.05rem; margin-bottom: 6px; }
    .hero-panel p { font-size: 0.85rem; color: var(--muted); margin-bottom: 14px; }
    .hero-metrics {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 0.8rem;
    }
    .hero-metric strong { font-size: 1rem; display: block; }

    section { padding: 22px 0; }
    section h2 { font-size: 1.4rem; margin-bottom: 6px; }
    section > p { color: var(--muted); font-size: 0.9rem; margin-bottom: 14px; }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
      gap: 14px;
    }
    .card {
      border-radius: 10px;
      border: 1px solid var(--border);
      padding: 12px 12px 10px;
      background: #ffffff;
    }
    .card h3 { font-size: 1rem; margin-bottom: 4px; }
    .card p { font-size: 0.88rem; color: var(--muted); }

    .band {
      margin-top: 10px;
      border-radius: 12px;
      padding: 12px 14px;
      border: 1px dashed var(--border);
      background: var(--bg-alt);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 10px;
      font-size: 0.88rem;
    }

    /* Contact */
    #contact { padding-top: 28px; }
    .contact-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
      gap: 20px;
      align-items: flex-start;
    }
    .contact-box {
      border-radius: 12px;
      border: 1px solid var(--border);
      padding: 14px 14px 12px;
      background: #ffffff;
    }
    .contact-box h3 { font-size: 1rem; margin-bottom: 8px; }
    .contact-box p { font-size: 0.9rem; color: var(--muted); margin-bottom: 6px; }
    .contact-box strong { color: var(--text); }

    form label {
      display: block;
      font-size: 0.82rem;
      margin-bottom: 3px;
      color: var(--muted);
    }
    form input, form textarea, form select {
      width: 100%;
      padding: 7px 9px;
      border-radius: 9px;
      border: 1px solid var(--border);
      font-size: 0.9rem;
      margin-bottom: 9px;
      background: #f9fafb;
    }
    form input:focus, form textarea:focus, form select:focus {
      outline: none;
      border-color: var(--accent);
      background: #ffffff;
    }
    form textarea { resize: vertical; min-height: 90px; }
    .form-note {
      font-size: 0.75rem;
      color: var(--muted);
      margin-bottom: 8px;
    }

    footer {
      border-top: 1px solid var(--border);
      padding: 16px 20px 22px;
      font-size: 0.8rem;
      color: var(--muted);
      background: #fafafa;
    }
    .footer-inner {
      max-width: 1120px;
      margin: 0 auto;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 10px;
      align-items: center;
    }
    footer a { color: var(--muted); text-decoration: none; }
    footer a:hover { text-decoration: underline; }

    @media (max-width: 840px) {
      .hero { grid-template-columns: 1fr; }
      .contact-layout { grid-template-columns: 1fr; }
      nav { display: none; } /* super minimal op mobiel */
    }