:root {
  --canvas: #0c1522;
  --panel: #2f5d8c;
  --panel-deep: #254e78;
  --ink: #f3f6fa;
  --muted: #9aabbd;
  --faint: rgba(243, 246, 250, 0.46);
  --line: rgba(243, 246, 250, 0.1);
  --gold: #f5c518;
  --sans: "Avenir Next", "Segoe UI", sans-serif;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --rail: 300px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 480px at 100% -10%, rgba(47, 93, 140, 0.45), transparent 60%),
    var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: rgba(245, 197, 24, 0.35); color: #fff; }

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  background: #fff;
  color: #111;
  padding: 8px 12px;
  z-index: 5;
}
.skip:focus { top: 16px; }

.shell {
  display: grid;
  grid-template-columns: var(--rail) 1fr;
  min-height: 100vh;
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  background: linear-gradient(180deg, #3870a4 0%, var(--panel) 38%, var(--panel-deep) 100%);
  padding: 36px 32px 28px;
  display: flex;
  flex-direction: column;
}
.rail a.mark {
  display: block;
  width: 168px;
  text-decoration: none;
}
.rail a.mark img { width: 100%; height: auto; }
.rail .product {
  margin: 10px 0 0;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.82);
}
.rail nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 48px;
}
.rail nav a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  padding: 8px 0 8px 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}
.rail nav a:hover { color: #fff; }
.rail nav a[aria-current="page"] {
  color: #fff;
  border-left-color: var(--gold);
}
.rail .legal {
  margin-top: auto;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.stage {
  padding: 72px 8vw 80px;
  max-width: 980px;
}
.stage.compose {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.stage.wide { max-width: 1080px; }

.eyebrow {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 450;
  font-size: clamp(46px, 5.4vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.035em;
}
.standfirst {
  margin: 28px 0 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.55;
}
.rule {
  width: 72px;
  height: 2px;
  margin: 36px 0 0;
  background: var(--gold);
  border: 0;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.split h2 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
.split p { margin: 0; color: var(--ink); font-size: 17px; }

.jump {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 48px;
}
.jump a {
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid rgba(245, 197, 24, 0.8);
  padding-bottom: 3px;
  font-size: 15px;
}
.jump a:hover { color: var(--gold); }

.entry {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}
.entry .n {
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.08em;
  padding-top: 8px;
}
.entry h2 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 450;
  letter-spacing: -0.03em;
}
.entry p { margin: 0 0 12px; color: var(--muted); font-size: 17px; }
.command {
  margin-top: 8px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.command span {
  display: block;
  margin-bottom: 8px;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.command code {
  font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.person { margin-top: 40px; }
.person h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 450;
  font-size: clamp(36px, 4vw, 52px);
  letter-spacing: -0.03em;
}
.mail {
  display: inline-block;
  margin-top: 14px;
  color: var(--ink);
  font-size: 20px;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}
.fine { margin-top: 18px; color: var(--faint); font-size: 13px; }

.prose { max-width: 40rem; }
.prose section { padding: 28px 0; border-top: 1px solid var(--line); }
.prose h2 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 450;
}
.prose p { margin: 0 0 12px; color: var(--muted); }
.prose a { color: var(--ink); }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .rail {
    position: relative;
    height: auto;
    padding: 24px 22px 18px;
  }
  .rail nav { flex-direction: row; flex-wrap: wrap; gap: 8px 18px; margin-top: 22px; }
  .rail nav a { border-left: 0; padding: 4px 0; }
  .rail nav a[aria-current="page"] { border-bottom: 1px solid var(--gold); }
  .rail .legal { margin-top: 18px; }
  .stage { padding: 40px 22px 64px; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .entry { grid-template-columns: 36px 1fr; }
}