* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: #111;
  color: #ffffff;
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

header {
  text-align: center;
  padding: 16px 16px 12px;
}

.logo {
  width: 300px;
  max-width: 70%;
  height: auto;
}

h1 {
  font-size: 1.4rem;
  margin: 12px 0 8px;
}

h2,
h3 {
  margin: 0 0 12px;
}

nav {
  margin-top: 8px;
}

nav a {
  display: block;
  padding: 10px 16px;
  margin: 4px 0;
  color: #ffffff;
  text-decoration: none;
  font-weight: bold;
  border-radius: 999px;
  background: #222222;
}

nav a:hover,
nav a:focus-visible {
  background: #333333;
}

.hero,
section {
  padding: 24px 16px 32px;
  text-align: center;
}

.hero {
  background: #222222;
}

.prices {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 1rem;
}

.prices li {
  margin: 12px 0;
}

a {
  color: #ffd27f;
}

a:hover,
a:focus-visible {
  color: #ffe3aa;
}

.btn {
  display: block;
  background: #444444;
  padding: 10px 16px;
  margin: 6px 0;
  color: #ffffff;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
}

.btn:hover,
.btn:focus-visible {
  background: #555555;
}

section a {
  word-break: break-word;
}

@media (min-width: 600px) {
  header {
    padding: 24px 32px 16px;
  }

  nav {
    display: flex;
    justify-content: center;
    gap: 16px;
  }

  nav a {
    display: inline-block;
    margin: 0;
    border-radius: 999px;
  }

  .hero,
  section {
    max-width: 800px;
    margin: 0 auto 32px;
    border-radius: 8px;
  }

  .hero {
    margin-top: 16px;
  }

  .btn {
    display: inline-block;
    margin: 6px 8px;
  }
}

@media (min-width: 900px) {
  h1 {
    font-size: 1.8rem;
  }

  .hero,
  section {
    max-width: 960px;
  }
}