:root {
  --ink: #163044;
  --mute: #4d6274;
  --paper: #e7eef2;
  --card: #f7fbfd;
  --rule: #c5d3de;
  --instrument: #2f5f86;
  --dry: #8a7346;
  --alert: #8d3b32;
}
* { box-sizing: border-box; }
body.skyr {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(47, 95, 134, 0.08) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--paper);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.58;
}
a { color: var(--instrument); }
.skyr-skip { position: absolute; left: -999px; }
.skyr-skip:focus { left: 0.6rem; top: 0.6rem; background: #fff; padding: 0.3rem 0.5rem; }
.skyr-log {
  max-width: 980px;
  margin: 1.2rem auto 2rem;
  background: var(--card);
  border: 1px solid var(--rule);
}
.skyr-mast {
  display: grid;
  grid-template-columns: 7.5rem 1fr auto;
  gap: 1rem;
  align-items: end;
  padding: 1rem 1.2rem 0.8rem;
  border-bottom: 2px solid var(--ink);
}
.skyr-obs {
  font-family: "Courier New", Courier, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dry);
}
.skyr-mast a.skyr-name {
  color: inherit;
  text-decoration: none;
  font-family: Georgia, "Iowan Old Style", Palatino, serif;
  font-size: 1.7rem;
  letter-spacing: -0.03em;
  line-height: 1;
}
.skyr-who { font-size: 0.78rem; color: var(--mute); text-align: right; max-width: 16rem; }
.skyr-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1rem;
  padding: 0.55rem 1.2rem;
  border-bottom: 1px solid var(--rule);
  background: #f0f6fa;
}
.skyr-tabs a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.92rem;
}
.skyr-tabs a[aria-current="page"] { color: var(--alert); box-shadow: inset 0 -2px 0 var(--alert); }
.skyr-disc {
  margin: 0;
  padding: 0.45rem 1.2rem;
  background: #e3edf4;
  font-size: 0.82rem;
}
.skyr-body { padding: 1.3rem 1.2rem 1.6rem; }
.skyr-body h1 {
  font-family: Georgia, Palatino, serif;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.12;
  margin: 0 0 0.5rem;
  letter-spacing: -0.03em;
}
.skyr-lead { color: var(--mute); font-size: 1.08rem; max-width: 40rem; }
.skyr-cols { display: grid; grid-template-columns: 1.5fr 0.7fr; gap: 1.2rem; }
.skyr-side {
  border-top: 4px solid var(--instrument);
  background: #f3f8fb;
  padding: 0.8rem;
  font-size: 0.95rem;
}
.skyr-side h2 { margin: 0 0 0.35rem; font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; }
.skyr-fig { margin: 1rem 0; }
.skyr-fig img { width: 100%; height: auto; display: block; }
.skyr-fig figcaption { font-size: 0.75rem; color: var(--mute); margin-top: 0.3rem; }
.skyr-rows { display: grid; gap: 0.7rem; }
.skyr-row { display: grid; grid-template-columns: 8.5rem 1fr; gap: 0.8rem; padding-top: 0.7rem; border-top: 1px solid var(--rule); }
.skyr-row h2 { margin: 0; font-size: 1rem; }
.skyr-row p { margin: 0; }
.skyr-shields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; margin: 0.8rem 0 1.2rem; }
.skyr-shield { border: 1px solid var(--ink); padding: 0.75rem; background: #fff; }
.skyr-shield b { display: block; font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--instrument); }
.skyr-shield strong { display: block; font-size: 1.4rem; margin: 0.15rem 0; }
.skyr-foot { border-top: 2px solid var(--ink); padding: 0.8rem 1.2rem 1rem; font-size: 0.82rem; color: var(--mute); }
.skyr-foot nav { display: flex; flex-wrap: wrap; gap: 0.35rem 0.8rem; margin-bottom: 0.4rem; }
.skyr-foot a { color: var(--mute); }
@media (max-width: 760px) {
  .skyr-mast, .skyr-cols, .skyr-row, .skyr-shields { grid-template-columns: 1fr; }
  .skyr-who { text-align: left; }
}