:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1c2430;
  --muted: #5b6676;
  --accent: #1f6feb;
  --accent-text: #ffffff;
  --border: #e2e6ec;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141a;
    --card: #171d25;
    --text: #e6ebf1;
    --muted: #9aa5b4;
    --accent: #4c8dff;
    --accent-text: #0f141a;
    --border: #262e39;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

.card {
  width: 100%;
  max-width: 480px;
  padding: 40px 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  text-align: center;
}

.logo { display: block; margin: 0 auto 16px; }

h1 { margin: 0 0 8px; font-size: 2rem; letter-spacing: -0.01em; }

.tagline { margin: 0 0 24px; color: var(--muted); font-size: 1.1rem; }

.services {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.services li {
  padding: 8px 0;
  border-top: 1px solid var(--border);
}

.services li:last-child { border-bottom: 1px solid var(--border); }

.button {
  display: inline-block;
  padding: 12px 24px;
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}

.button:hover, .button:focus-visible { filter: brightness(1.1); }

.email { margin: 12px 0 0; color: var(--muted); font-size: 0.9rem; word-break: break-all; }

footer { margin-top: 24px; color: var(--muted); font-size: 0.85rem; }