html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html, body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
}

main {
  flex: 1;
}

.hero-section {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  min-height: 420px;
  padding: 80px 0;
}

.hero-section .lead {
  font-size: 1.5rem;
  opacity: 0.85;
}

.footer {
  margin-top: auto;
}