:root {
  color-scheme: light dark;
  --page: #FFF8EA;
  --card: #F3E9D2;
  --ink: #0A1935;
  --secondary: #3F4A63;
  --link: #8A5A10;
  --rule: #E3D5B5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0A1935;
    --card: #132447;
    --ink: #FFF8EA;
    --secondary: #B8C2D6;
    --link: #FFB829;
    --rule: #28395E;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

header, main, footer {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  padding-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

header img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  flex: none;
}

.name {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tagline, .meta, footer {
  color: var(--secondary);
}

.tagline, .meta { margin: 0; }

h1 {
  margin: 2rem 0 0.5rem;
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h2 {
  margin: 2rem 0 0.4rem;
  font-size: 1.2rem;
}

p, li { font-size: 1.0625rem; }

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:focus-visible {
  outline: 3px solid var(--link);
  outline-offset: 2px;
}

.card {
  margin: 1.25rem 0;
  padding: 1rem 1.1rem;
  background: var(--card);
  border-radius: 16px;
}

.card h2, .card p:first-child { margin-top: 0; }

ul { padding-left: 1.2rem; }

.features {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.features li {
  padding: 0.9rem 1.1rem;
  background: var(--card);
  border-radius: 16px;
}

.features strong { display: block; }

footer {
  margin-top: 3rem;
  padding: 2rem 1rem 3rem;
  border-top: 1px solid var(--rule);
  font-size: 0.95rem;
}

footer nav a { margin-right: 1rem; }

@media (max-width: 420px) {
  h1 { font-size: 1.7rem; }
}