:root {
  --bg: #0f1419;
  --bg-accent: #1a2330;
  --text: #e8edf2;
  --muted: #9aa7b4;
  --accent: #4a9eff;
  --border: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at 50% 0%, var(--bg-accent), var(--bg) 70%);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.card {
  max-width: 560px;
  width: 100%;
  text-align: center;
  padding: 48px 32px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.brand {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.tagline {
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 20px;
}

.message {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.contact a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.2s ease;
}

.contact a:hover {
  color: var(--accent);
}

.footer {
  margin-top: 40px;
  font-size: 0.8rem;
  color: var(--muted);
  opacity: 0.7;
}