body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0b0e14;
  color: #e6e6eb;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  display: flex;
  justify-content: space-between;
  padding: 1rem 2rem;
}

.brand {
  font-weight: 700;
  letter-spacing: 2px;
}

.lang button {
  background: transparent;
  border: 1px solid #444;
  color: #e6e6eb;
  margin-left: 0.5rem;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}

main {
  flex: 1;
  text-align: center;
  padding: 4rem 1rem;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.card {
  margin: 2rem auto;
  padding: 1.5rem;
  max-width: 420px;
  border: 1px solid #2a2f3a;
  border-radius: 8px;
  background: #121826;
}

.contact {
  margin-top: 2rem;
}

footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  color: #999;
}