:root {
  --color-bg: #ffffff;
  --color-surface: #f7f8fa;
  --color-text: #1c1f2a;
  --color-text-muted: #5b6472;
  --color-border: #e6e8ec;
  --color-accent: #4f46e5;
  --color-accent-dark: #4338ca;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  border-bottom: 1px solid var(--color-border);
}

.site-header .wrap {
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

.logo {
  display: inline-block;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo:hover {
  color: var(--color-accent);
  text-decoration: none;
}

main {
  padding: 3rem 0 4rem;
}

h1 {
  font-size: 2rem;
  line-height: 1.25;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 1.3rem;
  line-height: 1.3;
  margin: 2.5rem 0 0.75rem;
}

p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
}

ul {
  margin: 0 0 1.25rem;
  padding-left: 1.35rem;
}

li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.updated {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
}

.tagline {
  font-size: 1.15rem;
  color: var(--color-text-muted);
}

.cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0;
}

.cta-links a {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--color-accent);
  border-radius: 6px;
  color: var(--color-accent);
  font-weight: 600;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.cta-links a:hover {
  background-color: var(--color-accent);
  color: #fff;
  text-decoration: none;
}

.contact {
  color: var(--color-text-muted);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-footer .wrap {
  padding: 2rem 1.5rem;
}

.site-footer p {
  margin: 0.25rem 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.site-footer a {
  color: var(--color-text-muted);
}

.site-footer a:hover {
  color: var(--color-accent);
}

.footer-links a + a {
  margin-left: 0.75rem;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.6rem;
  }

  h2 {
    font-size: 1.15rem;
  }

  main {
    padding: 2rem 0 3rem;
  }
}