:root {
  color-scheme: dark;
  --ink: #151618;
  --surface: #1d1f21;
  --paper: #f3f0e7;
  --light: #f7f5ee;
  --muted: #bdbab0;
  --lime: #d7f779;
  --violet: #c5b4ff;
  --edge: #3d3d38;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--light);
  font: 1rem/1.6 system-ui, -apple-system, sans-serif;
}
a { color: inherit; }
a:focus-visible, summary:focus-visible {
  outline: 2px solid #8261d5;
  outline-offset: 5px;
}
img, svg { display: block; max-width: 100%; }
.wrap { width: min(1120px, calc(100% - 80px)); margin-inline: auto; }
.skip-link {
  position: absolute;
  left: 1rem;
  top: -8rem;
  padding: .65rem 1rem;
  background: var(--lime);
  color: var(--ink);
  z-index: 2;
}
.skip-link:focus { top: 1rem; }
.topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  min-height: 75px;
  border-bottom: 1px solid var(--edge);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--light);
  font-size: 1.25rem;
  font-weight: 760;
  letter-spacing: -.045em;
  text-decoration: none;
}
.brand img { width: 30px; height: 30px; }
nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1.65rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
nav a { color: var(--muted); font-size: .9rem; text-decoration: none; }
nav a:hover { color: var(--lime); }
.hero {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5.5rem);
  padding-block: clamp(3rem, 7vw, 6rem);
}
.kicker {
  margin: 0 0 1.1rem;
  color: var(--lime);
  font: 600 .77rem/1.4 var(--mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.06; }
h1 {
  margin-bottom: 1.45rem;
  font-size: clamp(3.25rem, 6.3vw, 6.35rem);
  font-weight: 760;
  letter-spacing: -.077em;
}
h1 span { display: block; color: var(--lime); }
.intro { max-width: 34ch; margin-bottom: 1.8rem; color: var(--muted); font-size: 1.06rem; }
.jump {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: .65rem 1rem;
  border-radius: 2px;
  background: var(--lime);
  color: #191b13;
  font-size: .9rem;
  font-weight: 730;
  text-decoration: none;
}
.jump:hover { background: #e8ffa5; }
.hero-art { min-width: 0; margin: 0; }
.hero-art svg { width: 100%; height: auto; }
.hero-art figcaption {
  display: flex;
  justify-content: space-between;
  gap: .6rem 1rem;
  margin-top: .7rem;
  color: var(--muted);
  font: .69rem/1.4 var(--mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}

.example {
  background: var(--paper);
  color: #25251f;
  padding-block: clamp(3rem, 6vw, 5.5rem);
}
.example .kicker { color: #54468a; }
h2 {
  max-width: 17ch;
  margin-bottom: 1rem;
  font-size: clamp(2.25rem, 5.1vw, 4.15rem);
  letter-spacing: -.065em;
}
.section-lead { max-width: 62ch; margin-bottom: 2rem; color: #545249; }
.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.chart {
  margin: 0;
  padding: clamp(1rem, 3vw, 1.65rem);
  border: 1px solid #d5d0c0;
  background: #faf8f1;
}
.chart figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .25rem 1rem;
  margin-bottom: .6rem;
}
.chart figcaption strong { font-size: 1rem; }
.chart figcaption small { color: #5b5546; font: .73rem/1.4 var(--mono); }
.chart svg { width: 100%; height: auto; }
.chart text { fill: #4d473c; font: 12px var(--mono); }
.chart .value { fill: #262335; font-size: 14px; font-weight: 700; }
.chart-gridline { stroke: #d5d0c0; stroke-width: 1; }
.chart-axis { stroke: #615b4c; stroke-width: 1.1; }
.bar-a { fill: #b9a8f5; }
.bar-b { fill: #c8e56f; }
.example-note {
  max-width: 68ch;
  margin: 1.35rem 0 0;
  padding-inline-start: .9rem;
  border-inline-start: 3px solid #8d73de;
  color: #49463d;
}

.notes { padding-block: clamp(3rem, 6vw, 5.5rem); }
.notes-layout {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr);
  gap: 2rem 4rem;
}
.notes-list { margin: 0; padding: 0; list-style: none; }
.notes-list li {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: .8rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--edge);
}
.notes-list li:last-child { border-bottom: 1px solid var(--edge); }
.notes-list .n { color: var(--violet); font: .84rem/1.5 var(--mono); }
.notes-list h3 { margin: 0 0 .45rem; font-size: 1.12rem; }
.notes-list p { margin: 0; color: var(--muted); font-size: .93rem; }
.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1rem;
  padding-block: 1.2rem;
  border-top: 1px solid var(--edge);
  color: var(--muted);
  font: .8rem/1.5 var(--mono);
}
.footer a { text-underline-offset: 3px; }
.footer a:hover { color: var(--lime); }

@media (max-width: 850px) {
  .wrap { width: min(100% - 48px, 680px); }
  .hero, .notes-layout { grid-template-columns: 1fr; }
  .hero { gap: 2rem; }
  .hero-art { max-width: 540px; }
  .notes-layout { gap: 1rem; }
}
@media (max-width: 560px) {
  .wrap { width: calc(100% - 32px); }
  .topline { align-items: flex-start; flex-direction: column; gap: .6rem; padding-block: .85rem; }
  nav ul { gap: .35rem 1.15rem; }
  .chart-grid { grid-template-columns: 1fr; }
  .notes-list li { grid-template-columns: 2.25rem minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}