body {
  margin: 0;
  font-family: Avenir, "Avenir Next", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  color: #111;
  background: #fff;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.site-header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-bottom: 2rem;
}

.site-title {
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

nav {
  display: flex;
  gap: 0.5rem;
  font-size: 0.95rem;
}

a {
  color: #1b63d1;
  text-decoration-color: rgba(27, 99, 209, 0.32);
  text-underline-offset: 0.22em;
}

a:hover {
  color: #144ca4;
  text-decoration-color: rgba(20, 76, 164, 0.5);
}

nav a {
  color: rgba(17, 17, 17, 0.62);
  text-decoration: none;
}

nav a:hover {
  color: #111;
  text-decoration: underline;
  text-decoration-color: rgba(17, 17, 17, 0.32);
}

nav a[aria-current="page"] {
  color: #111;
  text-decoration: underline;
  text-decoration-color: rgba(17, 17, 17, 0.45);
  text-decoration-thickness: 0.08em;
}

@media (prefers-color-scheme: dark) {
  body {
    color: #f2f2f2;
    background: #111;
  }

  a {
    color: #87b4ff;
    text-decoration-color: rgba(135, 180, 255, 0.4);
  }

  a:hover {
    color: #a6c8ff;
    text-decoration-color: rgba(166, 200, 255, 0.6);
  }

  nav a {
    color: rgba(242, 242, 242, 0.68);
  }

  nav a:hover {
    color: #f2f2f2;
    text-decoration-color: rgba(242, 242, 242, 0.38);
  }

  nav a[aria-current="page"] {
    color: #f2f2f2;
    text-decoration-color: rgba(242, 242, 242, 0.58);
  }
}