body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #111;
  color: #eee;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #222;
  padding: 10px 20px;
}

nav img {
  height: 50px;
}

.menu {
  display: flex;
  gap: 20px;
}

.menu a {
  color: #7cfb7c;
  text-decoration: none;
  font-weight: bold;
}

.menu a:hover {
  color: #fff;
}

header {
  text-align: center;
  padding: 20px;
}

header h1 {
  font-size: 2.5rem;
  color: #7cfb7c;
}

main {
  display: grid;
  gap: 20px;
  padding: 20px;
  grid-template-columns: 1fr;
}

section {
  background-color: #1c1c1c;
  border-radius: 10px;
  padding: 15px;
}

section h2 {
  color: #7cfb7c;
}

img.responsive {
  width: 100%;
  height: auto;
  border-radius: 10px;
}


@media (min-width: 600px) {
  main {
    grid-template-columns: 1fr 1fr;
  }
  header h1 {
    font-size: 3rem;
  }
  .menu a {
    font-size: 1.1rem;
  }
  nav img {
    height: 60px;
  }
}


@media (min-width: 1200px) {
  main {
    grid-template-columns: repeat(2, 1fr);
    max-width: 1100px;
    margin: 0 auto;
  }
  header h1 {
    font-size: 3.5rem;
  }
  .menu a {
    font-size: 1.2rem;
  }
  img.responsive {
    width: 80%;
  }
}


@media (max-width: 599px) {
  .menu {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
  img.responsive:nth-of-type(2) {
    display: none;
  }
  header h1 {
    font-size: 2rem;
  }
}