:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #092426;
  color: #ecf6f1;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; line-height: 1.65; font-size: 1.05rem; }
a { color: #a5ead0; text-underline-offset: .2em; }
a:hover { color: #d0f6e8; }
a:focus-visible { outline: 3px solid #a5ead0; outline-offset: 4px; border-radius: 2px; }
.skip-link { position: absolute; left: -9999px; top: 1rem; z-index: 1; background: #ecf6f1; color: #092426; padding: .5rem 1rem; }
.skip-link:focus { left: 1rem; }
header { border-bottom: 1px solid #2c5554; background: #103234; }
.header-inner { max-width: 54rem; margin: auto; padding: 1rem 1.25rem; display: flex; gap: 1.5rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.brand { font-weight: 750; font-size: 1.2rem; letter-spacing: .02em; text-decoration: none; }
nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
main { max-width: 46rem; margin: auto; padding: clamp(2rem, 6vw, 4rem) 1.25rem; }
.eyebrow { color: #a5ead0; text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; }
h1 { font-size: clamp(2.5rem, 9vw, 4.2rem); line-height: 1.08; margin: .5rem 0 1rem; }
h2 { font-size: 1.45rem; line-height: 1.25; margin: 2.25rem 0 .5rem; }
p { margin: .75rem 0 1rem; }
.intro { color: #c8e6dd; font-size: 1.15rem; }
.callout { margin: 2rem 0; border: 1px solid #4a8079; background: #153b3b; padding: 1rem 1.25rem; border-radius: .8rem; }
footer { border-top: 1px solid #2c5554; color: #bbd2cb; font-size: .9rem; }
.footer-inner { max-width: 54rem; margin: auto; padding: 1.5rem 1.25rem; display: flex; gap: 1rem; justify-content: space-between; flex-wrap: wrap; }
@media (max-width: 35rem) {
  .header-inner { align-items: flex-start; flex-direction: column; gap: .4rem; }
  nav { gap: 1rem; }
}