:root {
  --bg: #fbfcfe;
  --ink: #0b1e3f;
  --ink-soft: #253659;
  --muted: #6b7a94;
  --line: #dce3ee;
  --line-soft: #edf1f8;
  --blue: #1d4ed8;
  --blue-soft: #eef3fd;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; border-bottom: 1px solid rgba(29,78,216,0.25); }
a:hover { border-bottom-color: var(--blue); }

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 88px 40px 60px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 64px;
}

/* Left metadata rail */
.meta {
  position: sticky;
  top: 88px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-top: 6px;
}
.meta-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}
.meta-block .k {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.meta-block .v {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  line-height: 1.4;
}
.meta-block .v.sub { color: var(--muted); font-size: 12px; }

/* Content column */
.content { min-width: 0; }

/* Hero */
.hero { margin-bottom: 80px; }
.hero-row {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 32px;
  align-items: start;
}
.hero-text { min-width: 0; }

.tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px;
  color: var(--muted); margin-bottom: 28px; letter-spacing: 0.02em;
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(29,78,216,0.15);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(29,78,216,0.15); }
  50% { box-shadow: 0 0 0 6px rgba(29,78,216,0.05); }
}

h1 {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800; letter-spacing: -0.025em;
  line-height: 1.05; margin: 0 0 28px;
}
h1 em { font-style: italic; color: var(--blue); }

.lede { font-size: 17px; line-height: 1.65; color: var(--ink-soft); margin: 0; }
.lede em { font-style: italic; color: var(--ink); }

/* Orbit SVG */
.orbit { width: 140px; height: 140px; display: block; }
.orbit .ring {
  fill: none;
  stroke: var(--line);
  stroke-width: 0.6;
  stroke-dasharray: 2 3;
}
.orbit .ring.r1 { stroke: var(--line-soft); }
.orbit .core {
  fill: var(--blue);
  filter: drop-shadow(0 0 6px rgba(29,78,216,0.5));
}
.orbit .p { fill: var(--blue); opacity: 0.9; }
.orbit g { transform-origin: 80px 80px; }
.orbit .o1 { animation: spin 38s linear infinite; }
.orbit .o2 { animation: spin 22s linear infinite reverse; }
.orbit .o3 { animation: spin 14s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Sections */
section { margin-bottom: 64px; }

h2 {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 24px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.idx {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--blue);
  letter-spacing: 0.1em;
}

.work ul { list-style: none; padding: 0; margin: 0; }
.work li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  transition: background 0.2s ease;
}
.work li:hover { background: var(--blue-soft); }
.work li:hover .when { color: var(--blue); }
.work li:last-child { border-bottom: 1px solid var(--line); }

.when {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  padding-top: 2px;
  transition: color 0.2s ease;
}
.work strong { font-weight: 600; font-size: 15px; color: var(--ink); }
.work p { margin: 4px 0 0; font-size: 14px; color: var(--muted); line-height: 1.55; }

.now p { font-size: 16px; color: var(--ink-soft); margin: 0; }

footer { margin-top: 80px; }
.links {
  display: flex; gap: 22px; flex-wrap: wrap;
  margin-bottom: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.links a {
  font-family: var(--mono); font-size: 13px;
  color: var(--ink); border-bottom-color: var(--line);
}
.links a:hover { color: var(--blue); border-bottom-color: var(--blue); }

.colophon { font-size: 13px; color: var(--muted); line-height: 1.6; margin: 0; }
.mono {
  font-family: var(--mono); font-size: 12.5px;
  color: var(--blue); background: var(--blue-soft);
  padding: 1px 5px; border-radius: 3px;
}

/* Responsive */
@media (max-width: 780px) {
  main {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 48px 24px 40px;
  }
  .meta {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px 28px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
  }
  .meta-block { border-left: none; padding-left: 0; }
  .hero-row { grid-template-columns: 1fr; }
  .orbit { width: 100px; height: 100px; }
  .work li { grid-template-columns: 1fr; gap: 4px; }
  .when { padding-top: 0; }
}