:root {
  --ink: #111;
  --muted: #555;
  --accent: #c9a227;
  --bg: #ffffff;
  --bg-soft: #faf7f0;
  --border: #ece7d8;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

.page {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
}

.card {
  max-width: 640px;
  width: 100%;
  text-align: center;
  background: #fff;
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent);
  border-radius: 8px;
  padding: 3rem 2rem;
  box-shadow: 0 12px 40px rgba(20, 20, 20, 0.06);
}

.logo {
  width: min(380px, 80%);
  margin: 0 auto 2rem;
}

.card h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  margin: 0 0 1rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.lede {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 auto 1.25rem;
  max-width: 480px;
}

.signoff {
  font-weight: 600;
  color: var(--accent);
  margin: 0;
  letter-spacing: 0.02em;
}

.copyright {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: #888;
  text-align: center;
}

@media (max-width: 480px) {
  .card { padding: 2.25rem 1.25rem; }
}