/* Strange Matter Studio colors (Athena: Strange Matter Studio Design System, sm-* tokens). Dark is the default. */
@font-face {
  font-family: 'Arimo';
  src: url('/fonts/arimo-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Arimo';
  src: url('/fonts/arimo-700.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

:root {
  --sm-ground: #10131a;
  --sm-ground-glow: #1b2333;
  --sm-ink: #ffffff;
  --sm-ink-muted: #8b95a1;
  --sm-orbit-second: #9fd8ff;
  --rule: #263042;
  color-scheme: dark light;
}
@media (prefers-color-scheme: light) {
  :root {
    --sm-ground: #f4f6f8;
    --sm-ground-glow: #ffffff;
    --sm-ink: #10131a;
    --sm-ink-muted: #5d6670;
    --sm-orbit-second: #1d6fd6;
    --rule: #d8dde3;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: radial-gradient(ellipse at 50% -10%, var(--sm-ground-glow), var(--sm-ground) 60%) fixed, var(--sm-ground);
  color: var(--sm-ink);
  font: 16px/1.6 Arimo, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  justify-content: space-between;
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--sm-ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.32em;
  font-size: 13px;
}
.mark { width: 36px; height: 36px; flex: none; }
.mark .orbit { fill: none; stroke: var(--sm-ink); stroke-width: 3; }
.mark .orbit-second { fill: none; stroke: var(--sm-orbit-second); stroke-width: 2; opacity: 0.55; }
.mark .core { fill: var(--sm-ink); }
nav { display: flex; gap: 20px; }
nav a { color: var(--sm-ink-muted); text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--sm-ink); }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 8px 16px 48px;
  overflow-wrap: anywhere;
}
h1 { font-size: 30px; line-height: 1.25; margin: 24px 0 16px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--sm-ink); }
a { color: var(--sm-orbit-second); }
a:focus-visible { outline: 2px solid var(--sm-orbit-second); outline-offset: 2px; }
ul { padding-left: 1.25em; }
ul.links { list-style: none; padding: 0; }
ul.links li { margin: 8px 0; }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; margin: 16px 0; }
th, td { border: 1px solid var(--rule); padding: 8px 10px; text-align: left; vertical-align: top; }
th { color: var(--sm-ink-muted); font-weight: 700; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 32px 0; }

footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  border-top: 1px solid var(--rule);
  color: var(--sm-ink-muted);
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}
footer p { margin: 0; color: var(--sm-ink-muted); }
footer a { color: var(--sm-ink-muted); }