:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172c39;
  background: #f3f6f5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(1.25rem, 5vw, 4rem);
  background: radial-gradient(ellipse at 20% 15%, #dceee5 0%, transparent 55%), #f3f6f5;
}

main {
  width: min(100%, 42rem);
  padding: clamp(2rem, 7vw, 5rem);
  border: 1px solid #dce5e0;
  border-radius: 1.5rem;
  background: #ffffff;
  box-shadow: 0 1.5rem 5rem #1838290a;
}

.mark {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  color: #ffffff;
  background: #24634b;
  font-weight: 750;
  font-size: 2rem;
  margin-bottom: 3rem;
}

.eyebrow {
  color: #39664f;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 700;
}

h1 {
  margin: 1rem 0;
  font-size: clamp(2.25rem, 7vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  font-weight: 650;
}

.intro { color: #53616b; font-size: 1.125rem; line-height: 1.6; }
.divider { width: 3rem; height: 2px; background: #aecbbb; margin: 2.5rem 0 1.5rem; }
.note { margin: 0; color: #62716b; font-size: 0.875rem; line-height: 1.6; }