:root {
  color-scheme: dark;
  --paper: #090909;
  --ink: #f4f4f4;
  --muted: #b5b5b5;
  --signal: #ff2a2a;
  --sans: "Manrope", "Segoe UI", sans-serif;
  --display: "Fraunces", "Times New Roman", serif;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(520px 280px at 50% 0%, rgba(255, 42, 42, 0.28), transparent 70%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

.screen {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 1.5rem;
}

.sheet {
  width: min(100%, 420px);
  text-align: center;
}

.kicker {
  margin: 0;
  color: var(--signal);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  margin: 0.7rem 0 0;
  font-family: var(--display);
  font-size: clamp(2rem, 8vw, 2.6rem);
  font-weight: 560;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.lead {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

.go {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  margin-top: 1.4rem;
  border-radius: 16px;
  background: var(--signal);
  color: #fff;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.go:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.go:active {
  transform: translateY(1px);
}