/* Reset & base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #000;
  color: #fff;
}

header {
  padding: 1.5rem;
  text-align: center;
  border-bottom: 1px solid #333;
}

header h1 {
  font-size: 2rem;
  letter-spacing: 2px;
}

main {
  display: flex;
  align-items: center;
  justify-content: center;
  height: calc(100vh - 100px);
  text-align: center;
  padding: 1rem;
}

main p {
  font-size: 1.25rem;
  max-width: 600px;
  line-height: 1.6;
}

footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.875rem;
  color: #888;
  border-top: 1px solid #333;
}

@media (max-width: 600px) {
  header h1 {
    font-size: 1.5rem;
  }
  main p {
    font-size: 1rem;
  }
}

.image-banner {
  width: 100%;
  height: 20vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-banner img {
  height: 100%;
  display: block;
}