:root {
    --paper: #F4F7F6;
    --ink: #1C2830;
    --slate: #52616B;
    --line: #D3DCDB;
    --sea: #1F6F66;
    --sea-soft: #E1EEEB;
    /* Buttons keep the deep teal in both modes so white text stays readable */
    --button: #1F6F66;
    --button-hover: #185A53;
    --serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
    --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  }
  @media (prefers-color-scheme: dark) {
    :root {
      --paper: #131A1F;
      --ink: #E4EBEE;
      --slate: #9AA8B0;
      --line: #2A363D;
      --sea: #6CC3B5;
      --sea-soft: #1A2A2B;
    }
  }
  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 17px/1.6 var(--sans);
  }
  a { color: var(--sea); text-underline-offset: 3px; }
  a:focus-visible, .button:focus-visible { outline: 3px solid var(--sea); outline-offset: 3px; }

  .wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

  header.site {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 28px; padding-bottom: 28px;
  }
  .wordmark {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--serif); font-size: 1.5rem; font-weight: 700;
    color: var(--ink); text-decoration: none; letter-spacing: -0.01em;
  }
  .wordmark img { height: 40px; width: auto; display: block; }
  header.site nav { display: flex; gap: 20px; align-items: baseline; flex-wrap: wrap; justify-content: flex-end; }
  header.site a.mail { font-size: 0.95rem; }
  header.site a.lang {
    font-size: 0.85rem; font-weight: 600; color: var(--slate); text-decoration: none;
    border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px;
  }
  header.site a.lang:hover { color: var(--sea); border-color: var(--sea); }

  .hero {
    display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px;
    align-items: start; padding-top: 48px; padding-bottom: 72px;
  }
  h1 {
    font-family: var(--serif); font-weight: 700;
    font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.08;
    letter-spacing: -0.02em; margin: 0 0 24px; max-width: 16ch;
  }
  .lede { font-size: 1.15rem; color: var(--slate); max-width: 34em; margin: 0 0 32px; }
  .button {
    display: inline-block; background: var(--button); color: #FFFFFF;
    border: 2px solid var(--button);
    padding: 12px 20px; border-radius: 6px; text-decoration: none; font-weight: 600;
  }
  .button:hover { background: var(--button-hover); border-color: var(--button-hover); }
  .note { font-size: 0.95rem; color: var(--slate); margin-top: 16px; }

  /* The one memorable thing: a sample of what an audit actually checks */
  .sheet {
    background: var(--sea-soft); border-left: 4px solid var(--sea);
    padding: 28px 28px 24px; border-radius: 0 10px 10px 0;
  }
  .sheet h2 { font-family: var(--serif); font-size: 1.2rem; margin: 0 0 4px; color: var(--sea); }
  .sheet p.sub { margin: 0 0 18px; color: var(--slate); font-size: 0.95rem; }
  .sheet ul { list-style: none; margin: 0; padding: 0; }
  .sheet li {
    display: grid; grid-template-columns: 22px 1fr; gap: 10px;
    padding: 10px 0; border-top: 1px solid var(--line); font-size: 0.98rem;
  }
  .sheet li:first-child { border-top: 0; }
  .sheet svg { margin-top: 4px; }

  section.what { border-top: 1px solid var(--line); padding-top: 56px; padding-bottom: 56px; }
  section.what h2, section.start h2, section.contact h2 {
    font-family: var(--serif); font-size: 1.75rem; margin: 0 0 28px; letter-spacing: -0.01em;
    color: var(--sea);
  }
  .services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
  .services h3 { font-size: 1.05rem; margin: 0 0 8px; }
  .services p { margin: 0; color: var(--slate); }
  .services .pay { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

  section.start { border-top: 1px solid var(--line); padding-top: 56px; padding-bottom: 56px; }
  ol.steps { margin: 0; padding: 0; list-style: none; counter-reset: s; max-width: 42em; }
  ol.steps li {
    counter-increment: s; display: grid; grid-template-columns: 44px 1fr;
    padding: 14px 0; border-top: 1px solid var(--line);
  }
  ol.steps li:first-child { border-top: 0; }
  ol.steps li::before {
    content: counter(s); font-family: var(--serif); font-size: 1.4rem;
    color: var(--sea); line-height: 1.2;
  }

  section.reviews { border-top: 1px solid var(--line); padding-top: 56px; padding-bottom: 56px; }
  section.reviews h2 { font-family: var(--serif); font-size: 1.75rem; margin: 0 0 20px; letter-spacing: -0.01em; color: var(--sea); }
  section.reviews > p { max-width: 38em; color: var(--slate); margin: 0 0 24px; }
  .quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin: 0 0 28px; }
  .quotes figure { margin: 0; background: var(--sea-soft); border-left: 4px solid var(--sea); border-radius: 0 10px 10px 0; padding: 22px 24px; }
  .quotes blockquote { margin: 0 0 12px; font-family: var(--serif); font-size: 1.05rem; }
  .quotes figcaption { font-size: 0.92rem; color: var(--slate); }
  .button.outline { background: transparent; color: var(--sea); border-color: var(--sea); }
  .button.outline:hover { background: var(--button-hover); border-color: var(--button-hover); color: #FFFFFF; }

  section.contact { border-top: 1px solid var(--line); padding-top: 56px; padding-bottom: 72px; }
  section.contact p { max-width: 36em; color: var(--slate); margin: 0 0 24px; }
  .address { font-family: var(--serif); font-size: clamp(1.4rem, 3.5vw, 2rem); }

  /* Terms and privacy pages */
  article.legal-doc { max-width: 42em; padding-top: 24px; padding-bottom: 72px; }
  article.legal-doc h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); max-width: none; margin-bottom: 12px; }
  article.legal-doc .updated { color: var(--slate); margin: 0 0 40px; }
  article.legal-doc h2 {
    font-family: var(--serif); font-size: 1.3rem; color: var(--sea);
    margin: 36px 0 10px; letter-spacing: -0.01em;
  }
  article.legal-doc p { margin: 0 0 14px; }
  article.legal-doc ul { margin: 0 0 14px; padding-left: 1.2em; }
  article.legal-doc li { margin-bottom: 6px; }

  footer.legal {
    border-top: 1px solid var(--line); padding-top: 24px; padding-bottom: 40px;
    font-size: 0.85rem; color: var(--slate);
  }
  footer.legal p { margin: 0 0 4px; }
  footer.legal nav { display: flex; gap: 16px; margin-top: 10px; }

  @media (max-width: 820px) {
    .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 24px; }
    .services { grid-template-columns: 1fr; gap: 28px; }
  }