/* Reset and base styles */
*,
*::before,
*::after
{
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html
{
  height: 100%;
}

body
{
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Container */
.container
{
  text-align: center;
  padding: 2rem;
  max-width: 600px;
}

/* Header */
header
{
  margin-bottom: 2rem;
}

h1
{
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  letter-spacing: -0.02em;
}

/* Main content */
main
{
  background: rgba(255, 255, 255, 0.95);
  padding: 3rem;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.tagline
{
  font-size: 1.5rem;
  font-weight: 600;
  color: #667eea;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.description
{
  font-size: 1.125rem;
  color: #666;
  line-height: 1.8;
}

/* Footer */
footer
{
  margin-top: 2rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 480px)
{
  h1
  {
    font-size: 2rem;
  }

  main
  {
    padding: 2rem;
  }

  .tagline
  {
    font-size: 1.25rem;
  }
}