:root {
  color-scheme: light;
  --paper: #ffffff;
  --ink: #282722;
  --muted: #8b877c;
  --accent: #d44b2b;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

main {
  width: 100%;
  max-width: 480px;
  padding: 72px 24px 48px;
}

header,
section {
  margin-bottom: 48px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 28px;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.035em;
}

h1 span {
  color: var(--accent);
  animation: blink 1s steps(1, end) infinite;
}

h2 {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.08em;
}

p {
  margin-bottom: 0;
}

.intro {
  max-width: 27rem;
}

footer {
  padding-top: 8px;
  color: var(--muted);
  font-size: 0.84rem;
}

a {
  color: inherit;
  text-decoration-color: rgba(139, 135, 124, 0.48);
  text-underline-offset: 0.22em;
}

a:hover,
a:focus-visible {
  color: var(--ink);
  text-decoration-color: var(--accent);
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@media (min-width: 760px) {
  main {
    padding-top: 12vh;
    padding-left: 10vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  h1 span {
    animation: none;
  }
}