:root {
  --text: #222;
  --muted: #555;
  --bg: #fff;
  --accent: #1f1f1f;
  --accent-text: #fff;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.page {
  flex: 1;
  width: 100%;
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 1.25rem;
  text-align: center;
}

.logo {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: 0 auto 2rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  line-height: 1.2;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
}

.button {
  display: inline-block;
  min-height: 44px;
  margin-top: 1rem;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  text-decoration: none;
}

.button:hover { background: #444; }

.button:focus-visible,
a:focus-visible {
  outline: 3px solid #1a73e8;
  outline-offset: 3px;
}

.footer {
  padding: 1.5rem 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted);
}

.footer p { margin: 0; }