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

body {
  font-family: system-ui, -apple-system, sans-serif;
  background-color: #000000;
  color: #ffffff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #ffffff;
  color: #000000;
}

header .logo {
  font-size: 1.5rem;
  font-weight: bold;
}

header .menu-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  padding: 0;
}

header .menu-btn span {
  width: 100%;
  height: 2px;
  background-color: #000000;
  border-radius: 2px;
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.hero p {
  color: #aaa;
  font-size: 1rem;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 1rem;
  text-align: center;
  background-color: #ffffff;
  color: #000000;
  font-size: 0.9rem;
}