:root {
    --navy: #0B2A4A;
    --teal: #007C7C;
    --teal-dark: #005f5f;
    --mist: #F4F8FA;
    --line: #C9D8E0;
    --white: #ffffff;
    --amber: #E8A33D;
    --amber-soft: #FFF3D6;
    --radius: 12px;
    --max: 68rem;
    --font: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  }
   
  *, *::before, *::after { box-sizing: border-box; }
   
  html { font-size: 112.5%; scroll-behavior: smooth; } /* 18px base */
   
  body {
    margin: 0;
    font-family: var(--font);
    line-height: 1.6;
    color: var(--navy);
    background: var(--white);
  }
   
  img, svg { max-width: 100%; height: auto; display: block; }
   
  h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.15rem; }
  p  { margin: 0 0 1em; max-width: 65ch; }
   
  a { color: var(--teal-dark); text-underline-offset: 3px; }
  a:hover { color: var(--navy); }
   
  :focus-visible { outline: 3px solid var(--teal-dark); outline-offset: 3px; }
  .site-header :focus-visible,
  .site-footer :focus-visible,
  .hero :focus-visible { outline-color: var(--white); }
   
  .skip-link {
    position: absolute;
    left: .5rem;
    top: -4rem;
    z-index: 100;
    padding: .6rem 1rem;
    background: var(--white);
    color: var(--navy);
    border: 2px solid var(--navy);
    border-radius: 0 0 var(--radius) var(--radius);
  }
  .skip-link:focus { top: 0; }
   
  .wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
  section { padding-block: 2.5rem; }
  .alt { background: var(--mist); }
   
  .site-header { background: var(--navy); color: var(--white); }
  .site-header .wrap {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    padding-block: .8rem;
  }
  .logo {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    color: var(--white);
    font-size: 1.3rem;
    font-weight: 700;
    text-decoration: none;
  }
  .logo:hover { color: var(--white); text-decoration: underline; }
  .logo img { width: 32px; height: 32px; }
   
  .main-nav ul { display: flex; flex-wrap: wrap; gap: .25rem; margin: 0; padding: 0; list-style: none; }
  .main-nav li { margin: 0; }
  .main-nav a {
    display: inline-block;
    min-height: 44px;
    padding: .55rem .9rem;
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
  }
  .main-nav a:hover { background: rgba(255, 255, 255, .15); color: var(--white); }
  .main-nav a[aria-current="page"] { background: var(--white); color: var(--navy); font-weight: 700; }
   
  .btn {
    display: inline-block;
    min-height: 48px;
    padding: .75rem 1.5rem;
    font: inherit;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    color: var(--white);
    background: var(--teal);
    border: 2px solid var(--teal);
    border-radius: 8px;
    cursor: pointer;
  }
  .btn:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: var(--white); }
  .btn-outline { background: transparent; border-color: var(--white); }
  .btn-outline:hover { background: var(--white); border-color: var(--white); color: var(--navy); }
  .btn-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }
   
  .hero { background: var(--navy); color: var(--white); padding-block: 0; }
  .hero .wrap { display: grid; gap: 1.5rem; align-items: center; padding-block: 2.5rem; }
  .hero p { font-size: 1.15rem; }
  .hero img { width: 100%; border-radius: var(--radius); }
   
  .page-title { padding-block: 2rem; background: var(--mist); border-bottom: 4px solid var(--teal); }
  .page-title p { margin-bottom: 0; font-size: 1.15rem; }
   
  .card-grid { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
  .card { padding: 1.4rem; background: var(--white); border: 2px solid var(--line); border-radius: var(--radius); }
  .card img { width: 48px; height: 48px; margin-bottom: .8rem; }
  .two-col { display: grid; gap: 1.5rem; align-items: start; }
   
  ul, ol { padding-left: 1.4rem; }
  li { margin-bottom: .5rem; }
   
  .check-list { padding: 0; list-style: none; }
  .check-list li {
    padding: .8rem 1rem .8rem 1.2rem;
    background: var(--mist);
    border-left: 6px solid var(--teal);
    border-radius: 0 8px 8px 0;
  }
  .alt .check-list li { background: var(--white); }
   
  .steps { margin: 0; padding-left: 2.2rem; border-left: 3px solid var(--line); }
  .steps li { padding: 0 0 1.4rem .6rem; margin: 0; }
  .steps li::marker { color: var(--teal-dark); font-weight: 700; font-size: 1.2rem; }
  .steps h3 { margin-bottom: .2em; }
  .steps p { margin-bottom: 0; }
   
  dl { margin: 0; }
  dt { margin-top: 1.2rem; font-weight: 700; }
  dd { margin: .2rem 0 0; }
   
  figure { margin: 0 0 1.2rem; }
  figure img { width: 100%; border-radius: var(--radius); }
  figcaption { margin-top: .4rem; font-size: .9rem; }
   
  aside.note {
    margin-block: 1.5rem;
    padding: 1rem 1.2rem;
    background: var(--amber-soft);
    border-left: 6px solid var(--amber);
    border-radius: 0 var(--radius) var(--radius) 0;
  }
  aside.note h3 { margin-bottom: .3em; }
  aside.note p:last-child { margin-bottom: 0; }
   
  .table-wrap { overflow-x: auto; border: 2px solid var(--line); border-radius: var(--radius); }
  table { width: 100%; min-width: 40rem; border-collapse: collapse; }
  caption { padding: .8rem 1rem; font-weight: 700; text-align: left; }
  th, td { padding: .8rem 1rem; text-align: left; vertical-align: top; border-top: 1px solid var(--line); }
  thead th { color: var(--white); background: var(--navy); border-top: 0; }
  tbody th { background: var(--mist); }
   
  .status {
    display: inline-block;
    padding: .1rem .7rem;
    font-size: .9rem;
    font-weight: 700;
    border: 2px solid;
    border-radius: 999px;
  }
  .status-approved { color: #00514f; background: #E3F4F1; border-color: #00514f; }
  .status-trial    { color: #6b4200; background: var(--amber-soft); border-color: #6b4200; }
   
  .video-wrap, .map-wrap { aspect-ratio: 16 / 9; overflow: hidden; background: var(--navy); border-radius: var(--radius); }
  .map-wrap { aspect-ratio: 4 / 3; }
  .video-wrap iframe, .map-wrap iframe { display: block; width: 100%; height: 100%; border: 0; }
   
  details { margin-bottom: .8rem; background: var(--white); border: 2px solid var(--line); border-radius: var(--radius); }
  summary { min-height: 48px; padding: 1rem 1.2rem; font-weight: 700; cursor: pointer; }
  details[open] summary { background: var(--mist); border-bottom: 1px solid var(--line); }
  details p { margin: 0; padding: 1rem 1.2rem; }
   
  form { display: grid; gap: 1.1rem; max-width: 34rem; }
  label, legend { font-weight: 700; }
  input[type="text"], input[type="email"], textarea {
    width: 100%;
    margin-top: .3rem;
    padding: .7rem .8rem;
    font: inherit;
    color: var(--navy);
    background: var(--white);
    border: 2px solid var(--navy);
    border-radius: 8px;
  }
  textarea { min-height: 9rem; resize: vertical; }
  fieldset { padding: .8rem 1rem 1rem; border: 2px solid var(--line); border-radius: var(--radius); }
  fieldset label, .consent { display: block; margin-top: .4rem; font-weight: 400; }
  input[type="radio"], input[type="checkbox"] { width: 1.2rem; height: 1.2rem; margin-right: .5rem; accent-color: var(--teal); }
  .hint { display: block; font-size: .9rem; font-weight: 400; }
   
  address { font-style: normal; }
  address p { margin-bottom: .5rem; }
   
  .site-footer { padding-block: 2rem; color: var(--white); background: var(--navy); }
  .site-footer .wrap { display: grid; gap: 1rem; }
  .site-footer a { color: var(--white); }
  .site-footer ul { display: flex; flex-wrap: wrap; gap: .3rem 1.2rem; margin: 0; padding: 0; list-style: none; }
  .site-footer p { max-width: none; margin: 0 0 .3rem; }
   
  @media (min-width: 600px) {
    h1 { font-size: 2.4rem; }
    .site-header .wrap { flex-direction: row; align-items: center; justify-content: space-between; }
    dl.spec { display: grid; grid-template-columns: 14rem 1fr; column-gap: 2rem; }
    dl.spec dt, dl.spec dd { margin: 0; padding: 1rem 0; border-top: 1px solid var(--line); }
  }
   
  @media (min-width: 900px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 1.8rem; }
    section { padding-block: 3.5rem; }
    .hero .wrap { grid-template-columns: 1.1fr .9fr; }
    .two-col { grid-template-columns: 1fr 1fr; gap: 3rem; }
    .site-footer .wrap { grid-template-columns: 1fr auto; align-items: center; }
  }
   
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { animation: none !important; transition: none !important; }
  }