* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  background-color: #000;
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
}

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

.banner {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 25px;
}

.banner-image {
  max-width: 100%;
  height: auto;
  display: block;
}

.menu {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 1rem 0;
  border-bottom: 1px solid #222;
}

.menu ul {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}

.menu ul li a {
  display: block;
  transition: opacity 0.2s ease;
}

.menu ul li a:hover {
  opacity: 0.6;
}

.menu ul li a img {
  display: block;
  height: 2rem;
  width: auto;
}

.main-image {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 2rem 1rem;
}

.main-image img {
  width: 100%;
  height: auto;
  display: block;
}

.footer {
  width: 100%;
  text-align: center;
  padding: 1.5rem 0;
  border-top: 1px solid #222;
  font-size: 0.85rem;
  color: #888;
}