:root {
  color-scheme: light;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #182b33;
  background: #f5f7f6;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  min-height: 100svh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 2rem;
}

main {
  width: min(100%, 36rem);
  padding: clamp(2rem, 7vw, 4rem);
  border: 1px solid #e0e7e3;
  border-radius: 1.25rem;
  background: #ffffff;
  box-shadow: 0 1rem 4rem #183b2a08;
}

.brand {
  margin: 0 0 2.5rem;
  color: #276650;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.5rem, 8vw, 3.5rem);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -0.045em;
}

p { line-height: 1.6; }
.message { margin: 0 0 0.5rem; font-size: 1.15rem; }
.detail { margin: 0; color: #64746c; font-size: 0.95rem; }