* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #fff;
  color: #183c36;
  font:
    17px/1.65 Arial,
    Helvetica,
    sans-serif;
}
header,
main,
footer {
  max-width: 920px;
  margin: auto;
  padding: 24px;
}
nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
}
a {
  color: #17685e;
  text-underline-offset: 4px;
}
nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
a:focus-visible {
  outline: 3px solid #17685e;
  outline-offset: 5px;
}
h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.12;
  max-width: 800px;
  margin: 16px 0 24px;
  letter-spacing: -0.025em;
}
h2 {
  font-size: 1.5rem;
  line-height: 1.25;
  margin-top: 40px;
}
h3 {
  font-size: 1.1rem;
}
p,
li {
  max-width: 760px;
}
li {
  margin: 12px 0;
}
.brand {
  font-weight: bold;
  text-decoration: none;
}
.eyebrow {
  color: #17685e;
  font-weight: bold;
}
.lead {
  font-size: 1.2rem;
}
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 22px;
  background: #17685e;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}
.cta:hover {
  background: #183c36;
}
figure {
  margin: 32px 0;
}
figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid #dce3e3;
  border-radius: 6px;
}
figcaption,
footer {
  font-size: 0.9rem;
}
figcaption {
  margin-top: 8px;
}
.example {
  padding: 20px;
  background: #edf5f2;
  border-left: 4px solid #17685e;
  font-variant-numeric: tabular-nums;
}
.example p {
  margin: 8px 0;
}
.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 32px;
}
.facts h3 {
  margin-bottom: 4px;
}
.facts p {
  margin-top: 0;
}
footer {
  border-top: 1px solid #dce3e3;
  margin-top: 24px;
}
section {
  scroll-margin-top: 20px;
}
@media (max-width: 600px) {
  header,
  main,
  footer {
    padding: 20px;
  }
  .facts {
    grid-template-columns: 1fr;
  }
  .lead {
    font-size: 1.1rem;
  }
}