:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #15313a;
  background: #edf5f5;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 5%, rgba(68, 175, 183, .18), transparent 28rem),
    linear-gradient(160deg, #f7fbfa 0%, #e8f2f2 100%);
}

.shell { width: min(880px, calc(100% - 32px)); margin: 0 auto; padding: 32px 0; }
.brand { margin-bottom: 24px; font-weight: 750; font-size: 18px; }
.brand-link { display: inline-flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: #0d6173; color: white; font-size: 13px; letter-spacing: .04em; }
.card { background: rgba(255,255,255,.97); border: 1px solid #d8e5e5; border-radius: 24px; padding: clamp(24px, 6vw, 54px); box-shadow: 0 24px 70px rgba(13, 61, 70, .12); }
.eyebrow { color: #147989; font-size: 12px; font-weight: 800; letter-spacing: .14em; }
h1 { margin: 10px 0 14px; font-size: clamp(38px, 7vw, 58px); line-height: 1.04; letter-spacing: -.04em; }
h2 { margin: 0 0 12px; font-size: 25px; letter-spacing: -.015em; }
h3 { margin: 24px 0 8px; font-size: 17px; }
p, li { line-height: 1.72; }
.lede { max-width: 700px; color: #526a70; font-size: 18px; margin-bottom: 8px; }
.updated { color: #6a7f84; font-size: 13px; margin-bottom: 30px; }
section { padding-top: 34px; margin-top: 34px; border-top: 1px solid #dfe8e8; scroll-margin-top: 20px; }
ul { padding-left: 23px; }
li + li { margin-top: 8px; }
a { color: #126e7c; text-underline-offset: 3px; }
a:hover { color: #084e59; }
a:focus-visible { outline: 3px solid #75cbd3; outline-offset: 3px; border-radius: 3px; }
.contents { border: 1px solid #d5e6e5; background: #f3f9f8; border-radius: 16px; padding: 19px 21px; }
.contents-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 10px; }
.provider-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0; }
.provider { border: 1px solid #dce8e8; border-radius: 14px; padding: 18px; background: #fbfdfd; }
.provider h3 { margin-top: 0; }
.provider p { margin-bottom: 0; }
.action-link { display: inline-block; margin: 8px 0 5px; padding: 12px 17px; border-radius: 11px; background: #0d6173; color: white; font-weight: 750; text-decoration: none; }
.action-link:hover { color: white; background: #084e59; }
footer { display: flex; justify-content: space-between; color: #60777c; font-size: 13px; padding: 20px 4px; }

@media (max-width: 620px) {
  .shell { width: min(100% - 20px, 880px); padding-top: 18px; }
  .card { border-radius: 18px; }
  .provider-grid { grid-template-columns: 1fr; }
  .contents-links { flex-direction: column; gap: 8px; }
  footer { flex-direction: column; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}