style.css

:root {
  color-scheme: light dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f8fb;
  color: #172033;
}

body {
  margin: 0;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 64px 24px;
}

.hero {
  padding: 48px 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: #28666e;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1;
  letter-spacing: 0;
}

.lede {
  max-width: 680px;
  margin: 24px 0 32px;
  font-size: 20px;
  line-height: 1.55;
  color: #475569;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  background: #28666e;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.panel {
  border-top: 1px solid #d8dee9;
  padding-top: 32px;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 24px;
}

.panel p {
  max-width: 720px;
  margin: 0;
  color: #475569;
  font-size: 17px;
  line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
  :root {
    background: #0f172a;
    color: #e5e7eb;
  }

  .lede,
  .panel p {
    color: #cbd5e1;
  }

  .panel {
    border-color: #334155;
  }

  .button {
    background: #2dd4bf;
    color: #082f49;
  }
}