/* Developer site of Spectrum Workshop: plain pages, no scripts, no
   third-party resources. */
:root {
  color-scheme: dark;
  --night: #0b1217;
  --panel: #16222a;
  --rim: rgba(255, 255, 255, 0.14);
  --ink: #f2ece1;
  --muted: #a9b8bd;
  --amber: #ffb547;
  --brass: #d9ae63;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(120% 80% at 30% -10%, #2a2a22 0%, var(--night) 60%);
  background-attachment: fixed;
  color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;
}

main,
header,
footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

header {
  padding-top: 2.5rem;
}

header a {
  color: var(--brass);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h1 {
  font-size: 2.1rem;
  line-height: 1.2;
  margin: 0.6rem 0 0.4rem;
}

h2 {
  font-size: 1.2rem;
  margin: 2.2rem 0 0.4rem;
  color: var(--amber);
}

h3 {
  font-size: 1rem;
  margin: 1.4rem 0 0.2rem;
}

p,
li {
  color: var(--muted);
}

p strong,
li strong {
  color: var(--ink);
}

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

.lead {
  font-size: 1.15rem;
  color: var(--ink);
}

.updated {
  font-size: 0.9rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--rim);
  border-radius: 1rem;
  padding: 0.4rem 1.25rem;
  margin: 1.5rem 0;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
}

footer {
  margin-top: 3rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--rim);
  font-size: 0.9rem;
}