:root {
  color-scheme: light;
  --canvas: #f0fdfa;
  --surface: #ffffff;
  --surface-soft: #e7f7f4;
  --ink: #12343b;
  --ink-strong: #0b2a30;
  --ink-muted: #47616a;
  --teal: #0f766e;
  --teal-deep: #115e59;
  --blue: #0369a1;
  --border: #c7e2df;
  --border-strong: #7dd3c9;
  --ring: #0f766e;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.6;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(circle at 88% 4%, #c8f2e9 0, transparent 28rem), var(--canvas); }
a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: var(--teal-deep); }
:focus-visible { outline: 3px solid var(--ring); outline-offset: 3px; }

.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 10; padding: 10px 14px; background: var(--surface); color: var(--ink-strong); border: 2px solid var(--ring); border-radius: 8px; font-weight: 700; }
.skip-link:focus { left: 12px; }
.site-header { background: #0b3b3d; color: #fff; border-bottom: 1px solid #146c69; }
.site-header-inner { max-width: 1180px; margin: 0 auto; padding: 24px; display: flex; gap: 24px; align-items: center; justify-content: space-between; }
.brand { color: #fff; font-weight: 750; letter-spacing: .015em; text-decoration: none; white-space: nowrap; }
.brand::before { content: ""; display: inline-block; width: 9px; height: 9px; margin: 0 10px 1px 0; border-radius: 50%; background: #5eead4; box-shadow: 0 0 0 5px #5eead426; }
.site-nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.site-nav a { color: #d9f8f3; text-decoration: none; transition: color 180ms ease; }
.site-nav a:hover { color: #fff; }
.page-shell { max-width: 1180px; margin: 0 auto; padding: 70px 24px 78px; }
.eyebrow { color: var(--teal); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: 11px; }
h1, h2, h3 { color: var(--ink-strong); font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; }
h1 { font-size: clamp(44px, 6.6vw, 72px); line-height: .99; letter-spacing: -.045em; max-width: 820px; margin: 14px 0 22px; }
h2 { margin: 52px 0 14px; font-size: clamp(30px, 4vw, 44px); line-height: 1.12; letter-spacing: -.02em; }
h3 { margin-top: 24px; line-height: 1.25; }
.lede { color: var(--ink-muted); font-size: clamp(18px, 2.1vw, 21px); max-width: 780px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: clamp(22px, 3vw, 34px); margin: 18px 0; box-shadow: 0 8px 24px #0b3b3d0d; }
.card p { color: var(--ink-muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.grid .card { margin: 0; }
.notice { border: 1px solid #a5d9d3; border-radius: 16px; background: linear-gradient(90deg, #e7f8f5, #f5fcfb); padding: 17px 20px; margin: 26px 0; }
table { width: 100%; border-collapse: separate; border-spacing: 0; margin: 20px 0; overflow: hidden; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; }
th, td { border-bottom: 1px solid var(--border); padding: 13px 14px; text-align: left; vertical-align: top; }
th { background: var(--surface-soft); color: var(--teal-deep); font-size: 13px; letter-spacing: .03em; }
tr:last-child td { border-bottom: 0; }
th + th, td + td { border-left: 1px solid var(--border); }
code { background: #e4f0ee; color: var(--teal-deep); border-radius: 5px; padding: 2px 5px; }
details { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; margin: 11px 0; box-shadow: 0 5px 16px #0b3b3d08; }
details[open] { border-color: var(--border-strong); }
summary { cursor: pointer; color: var(--ink-strong); font-weight: 750; }
summary::marker { color: var(--teal); }
.muted { color: var(--ink-muted); font-size: 14px; }
.site-footer { max-width: 1180px; margin: 0 auto; padding: 0 24px 58px; color: var(--ink-muted); font-size: 14px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 14px 18px; margin-bottom: 10px; }
.site-footer a { color: var(--ink-muted); }

@media (max-width: 760px) {
  .site-header-inner { align-items: flex-start; flex-direction: column; padding: 18px 20px; }
  .site-nav { gap: 12px 16px; }
  .page-shell { padding: 48px 20px 62px; }
  h1 { font-size: clamp(42px, 13vw, 58px); }
  h2 { margin-top: 42px; }
  .site-footer { padding: 0 20px 46px; }
  table { display: block; overflow-x: auto; white-space: normal; }
  th, td { min-width: 160px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}