:root {
  color-scheme: dark;
  --ink: #f3f5f7;
  --muted: #a9b2bd;
  --accent: #79b8ff;
  --surface: #111821;
  --background: #080b10;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 75% 15%, rgba(64, 116, 173, 0.2), transparent 34rem),
    var(--background);
  font: 400 1rem/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(42rem, calc(100% - 3rem));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0 auto;
  padding: 4rem 0;
}

.eyebrow {
  margin: 0 0 1.25rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3.5rem, 13vw, 7rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.lede {
  max-width: 30rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
}

.rule {
  width: 5rem;
  height: 2px;
  margin: 3rem 0 1.25rem;
  background: var(--accent);
}

.note {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 36rem) {
  .shell {
    width: min(100% - 2rem, 42rem);
  }
}