:root {
    --bg: #f6f7fb;
    --surface: #ffffff;
    --text: #18202a;
    --muted: #5f6b7a;
    --border: #d9e0e8;
    --primary: #0f4c81;
    --primary-dark: #0b3b64;
    --max-width: 1040px;
    --narrow-width: 760px;
    --shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
  }

  * {
    box-sizing: border-box;
  }

  html {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica,
  Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
  }

  body {
    margin: 0;
    line-height: 1.6;
  }

  a {
    color: var(--primary);
    text-decoration: none;
  }

  a:hover {
    text-decoration: underline;
  }

  .container {
    width: min(calc(100% - 2rem), var(--max-width));
    margin: 0 auto;
  }

  .narrow {
    width: min(calc(100% - 2rem), var(--narrow-width));
  }

  .site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
  }

  .site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
  }

  .brand {
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.02em;
  }

  .nav {
    display: flex;
    gap: 1rem;
  }

  .hero {
    padding: 5rem 0 4rem;
    background: linear-gradient(180deg, #ffffff 0%, #eef3f8 100%);
    border-bottom: 1px solid var(--border);
  }

  .eyebrow {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.85rem;
  }

  h1, h2 {
    line-height: 1.2;
    margin: 0 0 1rem;
  }

  h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
  }

  h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
  }

  .lead {
    font-size: 1.15rem;
    color: var(--muted);
    max-width: 42rem;
  }

  .section {
    padding: 3rem 0;
  }

  .actions {
    display: flex;
    gap: 0.875rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
  }

  .button {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 0.8rem 1.1rem;
    border-radius: 0.6rem;
    font-weight: 600;
    box-shadow: var(--shadow);
  }

  .button:hover {
    background: var(--primary-dark);
    text-decoration: none;
  }

  .button-secondary {
    background: #fff;
    color: var(--primary);
    border: 1px solid var(--border);
    box-shadow: none;
  }

  .link-list {
    padding-left: 1.2rem;
  }

  .site-footer {
    border-top: 1px solid var(--border);
    background: var(--surface);
  }

  .site-footer .container {
    padding: 1.25rem 0;
    color: var(--muted);
    font-size: 0.95rem;
  }