:root {
  color-scheme: dark;
  --color-background: #010100;
  --color-text: #b8ddd7;
  --color-caption: #97b5b0;
  --color-muted: #758985;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --transition-speed: 160ms;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--color-background);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: var(--space-md);
  background: var(--color-background);
  color: var(--color-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

main {
  width: 100%;
  text-align: center;
  transform: translateY(-3vh);
}

.logo-frame {
  width: min(540px, 92vw);
  aspect-ratio: 25 / 18;
  margin: 0 auto 1.2rem;
  overflow: hidden;
}

.logo {
  display: block;
  width: 100%;
  height: auto;
  transform: translateY(-14%);
}

h1 {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 300;
  letter-spacing: 0.21em;
  color: var(--color-caption);
}

p {
  margin: 0.35rem auto 1.15rem;
  color: var(--color-muted);
  font-size: clamp(0.875rem, 2.5vw, 1rem);
}

.github-link {
  display: inline-block;
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

.github-link:hover {
  color: var(--color-text);
}

.github-link:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
  .github-link {
    transition: none;
  }
}