  :root {
    --red: #D6001A;
    --red-dk: #A30014;
    --navy: #001C49;
    --navy-dk: #001235;
    --ink: #1F2433;
    --mute: #5A6272;
    --panel: #F3F4F7;
    --line: #D8DCE4;
    --white: #FFFFFF;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    background: var(--white);
    line-height: 1.62;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, .brand { font-family: Georgia, "Times New Roman", serif; font-weight: 400; color: var(--navy); }

  a { color: var(--red); text-decoration: none; }
  a:hover { text-decoration: underline; }
  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--red);
    outline-offset: 3px;
    border-radius: 2px;
  }

  .wrap { max-width: 980px; margin: 0 auto; padding: 0 24px; }

  /* ---------- Header ---------- */
  header {
    background: var(--white);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 10;
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: 980px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 12px;
  }
  .brand { display: flex; align-items: center; }
  .brand img { height: 66px; width: auto; display: block; }
  .coa { color: var(--red); }
  nav { display: flex; gap: 2px; flex-wrap: wrap; }
  nav a {
    display: inline-block;
    font-size: 15.5px;
    color: var(--mute);
    text-decoration: none;
    padding: 8px 13px;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease;
  }
  nav a:hover { color: var(--navy); text-decoration: none; }
  nav a.active { color: var(--navy); border-bottom-color: var(--red); }


  /* ---------- Hero ---------- */
  .hero {
    background: var(--navy-dk);
    color: var(--white);
    padding: 78px 0 0;
    overflow: hidden;
  }
  .hero h1 {
    color: var(--white);
    font-size: 44px;
    line-height: 1.18;
    max-width: 16ch;
    margin-bottom: 20px;
  }
  .hero p {
    color: #C3CCE0;
    font-size: 19px;
    max-width: 60ch;
    line-height: 1.6;
  }
  .ekg { display: block; width: 100%; height: 92px; margin-top: 46px; }
  .ekg path { fill: none; stroke: var(--red); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
  .ekg .flat { stroke: #33406B; stroke-width: 1.6; }
  @media (prefers-reduced-motion: no-preference) {
    .ekg .trace {
      stroke-dasharray: 1400;
      stroke-dashoffset: 1400;
      animation: draw 3.4s ease-out forwards;
    }
  }
  @keyframes draw { to { stroke-dashoffset: 0; } }

  /* ---------- Sections ---------- */
  section { padding: 64px 0; }
  section.tight { padding: 48px 0; }
  .band { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

  h2 { font-size: 34px; line-height: 1.2; margin-bottom: 14px; }
  h3 { font-size: 22px; margin-bottom: 10px; }
  .lede { font-size: 20px; color: var(--mute); max-width: 62ch; line-height: 1.55; }
  p + p { margin-top: 16px; }
  .body-copy p { max-width: 72ch; }

  .page-head { border-bottom: 1px solid var(--line); padding-bottom: 26px; margin-bottom: 34px; }

  /* three-up narrative */
  .three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
  .three h3 { font-size: 20px; }
  .three .rule { width: 40px; height: 3px; background: var(--red); margin-bottom: 16px; }
  .three p { font-size: 16px; color: var(--ink); }

  /* science callout */
  .callout {
    display: flex;
    gap: 18px;
    align-items: baseline;
    flex-wrap: wrap;
    font-size: 17px;
    color: var(--navy);
  }
  .callout .stripe { display: block; width: 3px; align-self: stretch; background: var(--red); }

  /* ---------- Prose blocks ---------- */
  .block { margin-bottom: 44px; }
  .block:last-child { margin-bottom: 0; }

  /* ---------- Team ---------- */
  .member {
    display: grid;
    grid-template-columns: 168px 1fr;
    gap: 30px;
    padding: 10px 0 32px;
    align-items: start;
  }
  .member + .member { border-top: 1px solid var(--line); padding-top: 32px; }
  .member img {
    width: 168px;
    height: 168px;
    object-fit: cover;
    object-position: center top;
    border-radius: 3px;
    display: block;
    background: var(--panel);
  }
  .member h3 { margin-bottom: 2px; }
  .member .role { color: var(--red); font-size: 15px; margin-bottom: 12px; }
  .member p { font-size: 16px; }

  /* ---------- Stats ---------- */
  .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 12px; }
  .stat { text-align: center; padding: 26px 16px; background: var(--white); border: 1px solid var(--line); border-radius: 4px; }
  .stat svg { width: 74px; height: 74px; display: block; margin: 0 auto 16px; }
  .stat .num { font-family: Georgia, serif; font-size: 34px; color: var(--navy); line-height: 1.1; }
  .stat .cap { font-size: 15px; color: var(--mute); margin-top: 8px; line-height: 1.45; }

  .logo-full { display: block; width: 210px; height: auto; margin: 0 0 40px; }

  /* ---------- Contact ---------- */
  .contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
  .contact-grid h3 { font-family: "Segoe UI", Arial, sans-serif; font-size: 15px; color: var(--mute); font-weight: 600; margin-bottom: 6px; }
  .contact-grid p { font-size: 17px; }

  /* ---------- Footer ---------- */
  footer {
    background: var(--navy-dk);
    color: #97A3C0;
    padding: 30px 0;
    font-size: 14.5px;
    margin-top: 20px;
  }
  .coa-light { color: #F05A6A; }
  .footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; max-width: 980px; margin: 0 auto; padding: 0 24px; }

  @media (max-width: 800px) {
    .three, .stats, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
    .member { grid-template-columns: 1fr; gap: 18px; }
    .hero h1 { font-size: 33px; }
    .hero { padding-top: 52px; }
    h2 { font-size: 28px; }
    .lede { font-size: 18px; }
    .header-inner { padding: 12px 18px; }
    .brand img { height: 44px; }
    nav a { padding: 7px 10px; font-size: 15px; }
  }
