:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --ink: #e8eef4;
  --muted: #93a4b5;
  --accent: #3ecf8e;
  --accent-soft: rgba(62, 207, 142, 0.14);
  --line: #2a3644;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(62, 207, 142, 0.16), transparent 55%),
    radial-gradient(800px 400px at 100% 0%, rgba(96, 165, 250, 0.12), transparent 50%),
    var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
}

.shell {
  width: min(42rem, 100%);
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 40%), var(--panel);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
  padding: 2.25rem 2rem 2rem;
}

.kicker {
  margin: 0 0 0.75rem;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1.15;
}

.lede {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.marker {
  display: inline-block;
  margin: 0;
  padding: 0.7rem 0.95rem;
  border-radius: 0.7rem;
  background: var(--accent-soft);
  border: 1px solid rgba(62, 207, 142, 0.35);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92rem;
  color: var(--ink);
  word-break: break-all;
}

@media (max-width: 40rem) {
  .card {
    padding: 1.6rem 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}