:root {
  --bg: #0e1116;
  --fg: #e8eaed;
  --muted: #9aa0a6;
  --accent: #ffcc33;
  --card: #161a22;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.hero {
  text-align: center;
  padding: 2rem 1rem 2.5rem;
}

.hero .emoji {
  font-size: 4rem;
  line-height: 1;
}

.hero h1 {
  font-size: 2.25rem;
  margin: 0.5rem 0 0.75rem;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 36ch;
  margin: 0 auto;
}

.tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.tags span {
  background: var(--card);
  color: var(--accent);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.how {
  background: var(--card);
  padding: 1.5rem 1.5rem 1.75rem;
  border-radius: 14px;
  margin-top: 1rem;
}

.how h2 {
  margin-top: 0;
  font-size: 1.15rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.how ol {
  margin: 0;
  padding-left: 1.25rem;
}

.how li {
  margin: 0.4rem 0;
}

footer {
  text-align: center;
  margin-top: 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover { text-decoration: underline; }