:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --text: #1f2328;
  --muted: #6b7280;
  --accent: #f2b705;
  --dark: #1f2328;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #15171a; --card: #1f2227; --text: #e8e6e3; --muted: #9aa0a6; --dark: #0d0e10; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: grid;
  place-items: center;
  padding: 16px;
}
.card {
  background: var(--card);
  max-width: 560px;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
  padding: 0 32px 32px;
  text-align: center;
}
.stripes {
  height: 18px;
  margin: 0 -32px 32px;
  background: repeating-linear-gradient(-45deg, var(--accent) 0 20px, var(--dark) 20px 40px);
}
h1 { margin: 0 0 8px; font-size: clamp(1.8rem, 6vw, 2.6rem); letter-spacing: -.02em; }
.lead { font-size: 1.25rem; margin: 0 0 16px; }
.meta { color: var(--muted); font-size: .85rem; margin-top: 24px; }