* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at top, #302765, #090a13 55%);
  color: white;
  font-family: system-ui, sans-serif;
}

main {
  width: min(850px, 92%);
  text-align: center;
}

.logo {
  margin: auto;
  width: 65px;
  height: 65px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: linear-gradient(135deg, #8876ff, #4bd6ff);
  font-size: 32px;
  font-weight: 900;
  box-shadow: 0 0 40px #7967ff66;
}

h1 {
  font-size: 48px;
  margin: 20px 0 8px;
}

main > p {
  color: #9ca3c2;
}

.keys {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 35px;
}

.key {
  padding: 30px;
  border-radius: 22px;
  background: #15182b;
  border: 1px solid #ffffff15;
  box-shadow: 0 20px 60px #0007;
}

.key.premium {
  border-color: #8978ff55;
}

.key h2 {
  margin-top: 0;
}

code {
  display: block;
  padding: 14px;
  margin: 20px 0;
  border-radius: 10px;
  background: #080a12;
  color: #8ee7ff;
  font-size: 18px;
  letter-spacing: 2px;
}

button {
  width: 100%;
  padding: 14px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(90deg, #7967ff, #46ccef);
  color: white;
  font-weight: 800;
  cursor: pointer;
}

button:hover {
  transform: translateY(-2px);
}

.note {
  margin-top: 30px;
}

@media (max-width: 650px) {
  .keys {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 36px;
  }
}