:root {
  --ink: #1a1730;
  --muted: #5c5878;
  --accent: #6b4de6;
  --bg: #fbfaff;
  --card: #ffffff;
  --line: #e8e4f5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  /* Generous line height: this page is read by parents and educators, some of
     whom are dyslexic themselves. */
  line-height: 1.65;
  font-size: 17px;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  background: linear-gradient(160deg, #6b4de6 0%, #4a7ee6 100%);
  color: #fff;
  padding: 64px 0 56px;
  text-align: center;
}

.hero .emoji {
  font-size: 56px;
  line-height: 1;
}

.hero h1 {
  margin: 12px 0 8px;
  font-size: 44px;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0 auto;
  max-width: 30ch;
  font-size: 19px;
  opacity: 0.95;
}

.tags {
  margin-top: 22px;
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.tag {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 14px;
}

main section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px 28px;
  margin: 24px 0;
}

h2 {
  margin: 0 0 12px;
  font-size: 22px;
  color: var(--accent);
}

p {
  margin: 0 0 14px;
}

.features {
  margin: 0;
  padding-left: 20px;
}

.features li {
  margin-bottom: 10px;
}

code {
  background: #f0edfb;
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.92em;
}

a {
  color: var(--accent);
}

footer {
  color: var(--muted);
  font-size: 15px;
  padding: 8px 24px 56px;
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}