:root {
  --paper: #11161f; --ink: #e8edf5; --muted: #98a3b6; --line: #2e384a;
  --gain: #34d399; --card: #1a212d;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #11161f; --ink: #e8edf5; --muted: #98a3b6; --line: #2e384a; --gain: #34d399; --card: #1a212d; color-scheme: dark; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1rem/1.55 'IBM Plex Sans', system-ui, sans-serif; }

.top { max-width: 760px; margin: 0 auto; padding: 4rem 1.25rem 2rem; }
h1 { margin: 0; font: 800 clamp(3rem, 12vw, 6.5rem)/0.95 'Bricolage Grotesque', system-ui, sans-serif; letter-spacing: -0.04em; }
.sub { margin: 1rem 0 1.5rem; color: var(--muted); }
button { font: 500 0.9rem 'IBM Plex Sans', sans-serif; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 0.45rem 1rem; cursor: pointer; }
button:hover { border-color: var(--gain); }
button:focus-visible { outline: 3px solid var(--gain); outline-offset: 2px; }

main { max-width: 760px; margin: 0 auto; padding: 0 1.25rem 6rem; }
.year { position: relative; padding-top: 1rem; }
.year h2 {
  position: sticky; top: 0; z-index: 2; margin: 0; padding: 0.6rem 0;
  background: var(--paper); font: 800 1.9rem/1 'Bricolage Grotesque', system-ui, sans-serif; color: var(--gain);
}
ol { list-style: none; margin: 0; padding: 0.5rem 0 1.5rem 0; position: relative; }
ol::before { content: ''; position: absolute; left: 6.1rem; top: 0; bottom: 0; width: 2px; background: var(--line); }
li { display: grid; grid-template-columns: 5.2rem 1fr; gap: 1.8rem; padding: 0.55rem 0; position: relative; }
li::before {
  content: ''; position: absolute; left: 5.75rem; top: 1.15rem; width: 0.7rem; height: 0.7rem;
  border-radius: 50%; background: var(--paper); border: 2px solid var(--gain);
}
time { text-align: right; padding-top: 0.45rem; font-weight: 500; color: var(--muted); font-variant-numeric: tabular-nums; }
li p { margin: 0; padding: 0.7rem 1rem; background: var(--card); border: 1px solid var(--line); border-radius: 8px; max-width: 60ch; overflow-wrap: anywhere; }
li:hover::before { background: var(--gain); }

@media (max-width: 520px) {
  ol::before { left: 0.3rem; }
  li { grid-template-columns: 1fr; gap: 0.2rem; padding-left: 1.6rem; }
  li::before { left: 0; top: 0.9rem; }
  time { text-align: left; padding: 0; font-size: 0.85rem; }
}