:root {
  color-scheme: light dark;
  --bg: #f7f5ef;
  --ink: #17181c;
  --muted: #63666f;
  --panel: rgba(255, 255, 255, 0.72);
  --line: rgba(23, 24, 28, 0.12);
  --accent: #0f766e;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(15, 118, 110, 0.16), transparent 30rem),
    radial-gradient(circle at 80% 74%, rgba(225, 112, 85, 0.16), transparent 28rem),
    var(--bg);
  color: var(--ink);
}

.shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 2rem;
}

.panel {
  width: min(100%, 42rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: clamp(2rem, 8vw, 4.5rem);
  box-shadow: 0 24px 70px rgba(23, 24, 28, 0.12);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 12vw, 6.5rem);
  line-height: 0.95;
}

.lede {
  max-width: 31rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111315;
    --ink: #f4f1e9;
    --muted: #b8b4aa;
    --panel: rgba(25, 27, 31, 0.78);
    --line: rgba(244, 241, 233, 0.14);
    --accent: #5eead4;
  }

  .panel {
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  }
}