:root {
  color-scheme: light;
  --ink: #17201f;
  --muted: #5c6865;
  --paper: #f5f2ea;
  --surface: #fffdf7;
  --line: #d8d4c8;
  --accent: #006b5e;
  --accent-soft: #dcece7;
  --warm: #a54b2a;
  --warm-soft: #f3e3d8;
  --code: #e9ece8;
  --measure: 74ch;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); }
a { color: var(--accent); text-underline-offset: 0.16em; }
a:hover { text-decoration-thickness: 0.14em; }
.page { width: min(100% - 2rem, 1080px); margin-inline: auto; padding: 3rem 0 6rem; }
.masthead { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: start; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 0.5rem; color: var(--accent); font-size: 0.76rem; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.16; text-wrap: balance; }
h1 { max-width: 16ch; margin: 0; font-family: Georgia, serif; font-size: clamp(2.35rem, 7vw, 5rem); font-weight: 500; letter-spacing: -0.045em; }
h2 { margin: 4rem 0 1rem; font-family: Georgia, serif; font-size: clamp(1.7rem, 3.5vw, 2.7rem); font-weight: 500; letter-spacing: -0.025em; }
h3 { margin: 0 0 0.5rem; font-size: 1rem; }
p, li { max-width: var(--measure); }
.lede { max-width: 59ch; margin: 1.25rem 0 0; color: var(--muted); font-size: 1.15rem; }
.meta { min-width: 9rem; color: var(--muted); font-size: 0.82rem; text-align: right; }
.meta strong { display: block; color: var(--ink); font-size: 1.35rem; }
.principle { max-width: 850px; margin: 2.5rem 0; padding: 1.4rem 1.5rem; border-left: 0.35rem solid var(--accent); background: var(--surface); font-family: Georgia, serif; font-size: 1.25rem; }
.axes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--line); background: var(--line); }
.axis { padding: 1.2rem; background: var(--surface); }
.axis b { display: block; margin-bottom: 0.35rem; color: var(--accent); font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; }
.axis p { margin: 0; font-size: 0.9rem; }
.spectrum { margin: 1.5rem 0; border-top: 1px solid var(--line); }
.pattern { display: grid; grid-template-columns: minmax(9rem, 0.8fr) minmax(0, 2.5fr) minmax(9rem, 1fr); gap: 1.25rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.pattern h3, .pattern p { margin: 0; }
.pattern .fit { color: var(--muted); font-size: 0.88rem; }
.tag { display: inline-block; margin-top: 0.35rem; padding: 0.1rem 0.42rem; border: 1px solid currentColor; border-radius: 999px; color: var(--warm); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.distinctions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.distinction { padding: 1.1rem 1.2rem; border: 1px solid var(--line); background: var(--surface); }
.distinction p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.drill { max-width: 850px; padding: 1.5rem; border: 1px solid var(--line); background: var(--surface); }
.scenario { margin: 0 0 1rem; font-size: 1.08rem; }
.choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; }
button { min-height: 2.8rem; padding: 0.65rem 0.85rem; border: 1px solid var(--accent); border-radius: 0.2rem; color: var(--accent); background: transparent; font: inherit; font-weight: 700; cursor: pointer; }
button:hover { background: var(--accent-soft); }
button:focus-visible { outline: 3px solid var(--warm); outline-offset: 3px; }
button[aria-pressed="true"] { color: white; background: var(--accent); }
.feedback { min-height: 5.5rem; margin: 1rem 0 0; padding: 1rem; background: var(--code); }
.feedback[data-state="correct"] { border-left: 0.3rem solid var(--accent); }
.feedback[data-state="try"] { border-left: 0.3rem solid var(--warm); }
.interview-answer { max-width: 850px; padding: 1.5rem; background: var(--ink); color: var(--surface); }
.interview-answer p { margin: 0 0 0.85rem; }
.interview-answer p:last-child { margin-bottom: 0; }
.sources { padding-left: 1.2rem; }
.sources li { margin: 0.65rem 0; }
.next { margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.next p { margin-bottom: 0.5rem; }
code { padding: 0.08rem 0.28rem; background: var(--code); font-size: 0.88em; }
.matrix { width: 100%; border-collapse: collapse; background: var(--surface); font-size: 0.88rem; }
.matrix th, .matrix td { padding: 0.8rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.matrix th { color: var(--accent); background: var(--accent-soft); }
@media (max-width: 760px) {
  .page { width: min(100% - 1.25rem, 1080px); padding-top: 1.5rem; }
  .masthead { grid-template-columns: 1fr; }
  .meta { text-align: left; }
  .axes, .distinctions { grid-template-columns: 1fr 1fr; }
  .pattern { grid-template-columns: 1fr; gap: 0.45rem; }
}
@media (max-width: 480px) {
  :root { font-size: 16px; }
  .axes, .distinctions, .choices { grid-template-columns: 1fr; }
}
@media print {
  :root { font-size: 10pt; }
  body { background: white; }
  .page { width: 100%; padding: 0; }
  .masthead { grid-template-columns: 1fr auto; }
  h1 { font-size: 32pt; }
  h2 { margin-top: 1.8rem; break-after: avoid; }
  .pattern, .distinction, .drill { break-inside: avoid; }
  button { display: none; }
  a { color: inherit; }
  .next { display: none; }
}