:root {
  color-scheme: dark;
  --bg-top: #1d2734;
  --bg-bottom: #11161d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at top, rgba(120, 153, 196, 0.16), transparent 45%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

.hero {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 24px 24px 12px;
}

img {
  display: block;
  width: min(78vw, 640px);
  height: auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.4));
}

.copyright {
  width: min(calc(100% - 32px), 420px);
  margin: 0 auto 24px;
  padding: 0 8px;
  color: rgba(255, 255, 255, 0.58);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  line-height: 1.4;
  text-align: center;
  text-wrap: balance;
}

@media (max-width: 480px) {
  .hero {
    padding: 20px 16px 8px;
  }

  .copyright {
    width: calc(100% - 24px);
    margin-bottom: 20px;
    font-size: 0.7rem;
    letter-spacing: 0;
  }
}