:root {
  --max: 980px;
  font-family: system-ui, sans-serif;
}

body {
  margin: 0;
  padding: 0;
  line-height: 1.6;
  font-family: var(--font, system-ui, sans-serif);
  background-color: #1e1e2f;
  color: white;
  min-height: 100vh;
  padding-bottom: 60px;
}

header, main {
  max-width: var(--max);
  margin: 2rem auto;
  padding: 0 1rem;
  text-align: center;
}

.btn-modern {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: #2563eb;
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin-top: 1rem;
}

.btn-modern:hover {
  background-color: #1d4ed8;
}

footer {
  background-color: #111827;
  color: #ffffff;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 100;
}