*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #0f1115;
  color: #e6e6e6;
  font-family: system-ui, sans-serif;
}

main {
  width: 100%;
  max-width: 700px;
  padding: 2rem;
  margin: 0 auto;
  line-height: 1.6;
}

/* Headings */
h1, h2 {
  font-weight: 600;
}

h1 {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.1rem;
  margin-top: 2rem;
}

/* Links */
a {
  color: #9bbcff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Homepage-specific */
form {
  margin-bottom: 1rem;
}

input[type="search"] {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1.1rem;
  background: #151922;
  color: inherit;
  border: 1px solid #2a2f3a;
  border-radius: 6px;
}

nav {
  margin-top: 1rem;
}

nav a {
  margin-right: 1rem;
}

@media (max-width: 600px) {
  main {
    padding: 1.5rem 1rem;
  }

  input[type="search"] {
    font-size: 1.2rem;
    padding: 0.9rem 1rem;
  }

  nav a {
    display: inline-block;
    margin-bottom: 0.5rem;
  }
}