:root {
  --plum: #4e1f6e;
  --indigo: #3e3e75;
  --teal: #45a9a9;
  --mint: #98e8de;
  --page: #160c23;
  --surface: #292653;
  --surface-deep: #20153c;
  --text: #f7fffe;
  --muted: #c8ddda;
  color: var(--text);
  background: var(--page);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  line-height: 1.7;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 82% -8rem, rgba(152, 232, 222, 0.16), transparent 36rem),
    radial-gradient(circle at 5% 32rem, rgba(69, 169, 169, 0.12), transparent 26rem),
    linear-gradient(180deg, var(--page), #1d102e 55%, var(--page));
}
a { color: var(--mint); text-underline-offset: 0.18em; }
a:hover { color: var(--text); }
a:focus-visible { outline: 3px solid var(--mint); outline-offset: 4px; }
.skip-link { position: absolute; left: -999rem; top: 0; padding: .65rem 1rem; background: var(--mint); color: var(--plum); z-index: 100; }
.skip-link:focus { left: 1rem; top: 1rem; }
.page-header, .page-footer, .reading-shell { width: min(74rem, calc(100% - 2rem)); margin-inline: auto; }
.page-header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.15rem 0; }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--text); text-decoration: none; white-space: nowrap; }
.brand span { display: grid; place-items: center; width: 2.4rem; height: 2.4rem; border: 1px solid var(--teal); border-radius: .55rem; color: var(--mint); background: var(--plum); box-shadow: 4px 4px 0 rgba(69, 169, 169, .28); font-weight: 800; }
.primary-nav { display: flex; flex-wrap: wrap; gap: .2rem; justify-content: flex-end; }
.primary-nav a { padding: .4rem .65rem; border-radius: 999px; color: var(--muted); text-decoration: none; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--mint); background: var(--indigo); }
.reading-shell { padding: clamp(1rem, 4vw, 3rem) 0 4rem; }
.breadcrumb { display: flex; gap: .5rem; margin-bottom: 1.2rem; color: #aebfca; font-size: .92rem; }
.article { max-width: 52rem; margin-inline: auto; }
.article-header { margin-bottom: 2.8rem; padding: clamp(1.2rem, 4vw, 2.25rem); border: 1px solid rgba(152, 232, 222, .25); border-radius: 1rem; background: linear-gradient(135deg, rgba(78, 31, 110, .92), rgba(62, 62, 117, .78)); box-shadow: 8px 8px 0 rgba(69, 169, 169, .14); }
.eyebrow { margin: 0 0 .6rem; color: var(--mint); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { color: var(--text); line-height: 1.18; text-wrap: balance; }
h1 { max-width: 19ch; margin: 0 0 1rem; font-size: clamp(2.3rem, 7vw, 4.4rem); letter-spacing: -.045em; }
h2 { margin: 3.25rem 0 1rem; padding-top: .35rem; color: var(--mint); font-size: clamp(1.55rem, 4vw, 2.15rem); }
h3 { margin: 2rem 0 .55rem; font-size: 1.2rem; }
p, li, dd { color: var(--muted); }
.dek { max-width: 45rem; margin: 0; color: #d8e9e6; font-size: clamp(1.08rem, 2vw, 1.25rem); }
.review-note { margin: 1rem 0 0; color: #bed5d1; font-size: .92rem; }
.review-line { padding: .8rem 1rem; border: 1px solid rgba(152, 232, 222, .22); border-radius: .65rem; background: rgba(62, 62, 117, .36); }
.callout { margin: 1.5rem 0; padding: 1rem 1.15rem; border-left: 3px solid var(--teal); border-radius: 0 .6rem .6rem 0; background: var(--surface-deep); }
.callout.warning { border-left-color: #e9bc64; }
.callout.success { border-left-color: var(--mint); }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1.35rem 0; }
.link-card { display: block; padding: 1.15rem; border: 1px solid rgba(152, 232, 222, .24); border-radius: .8rem; color: inherit; text-decoration: none; background: rgba(62, 62, 117, .48); }
.link-card:hover { border-color: var(--mint); background: var(--indigo); transform: translateY(-2px); }
.link-card strong { display: block; margin-bottom: .35rem; color: var(--text); font-size: 1.05rem; }
.link-card span { color: var(--muted); }
pre { max-width: 100%; overflow-x: auto; padding: 1rem; border: 1px solid var(--indigo); border-radius: .7rem; color: #d9e5ed; background: #11091d; }
code { color: #f1c97d; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
pre code { color: inherit; }
.table-scroll { width: 100%; overflow-x: auto; margin: 1.4rem 0; }
table { width: 100%; min-width: 42rem; border-collapse: collapse; }
caption { margin-bottom: .7rem; color: #aebfca; text-align: left; }
th, td { padding: .72rem; border: 1px solid rgba(152, 232, 222, .24); text-align: left; vertical-align: top; }
th { color: var(--mint); background: var(--indigo); }
td { color: var(--muted); background: rgba(41, 38, 83, .42); }
.steps { counter-reset: steps; padding: 0; list-style: none; }
.steps li { position: relative; padding: 0 0 1.25rem 3rem; }
.steps li::before { counter-increment: steps; content: counter(steps); position: absolute; left: 0; display: grid; place-items: center; width: 2rem; height: 2rem; border: 1px solid var(--teal); border-radius: .35rem; color: var(--plum); background: var(--mint); font-weight: 800; }
.mini-diagram { padding: 1rem; border: 1px solid var(--indigo); border-radius: .7rem; background: var(--surface-deep); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; }
.sample-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.sample-gallery-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sample-card { display: grid; align-content: start; margin: 0; overflow: hidden; border: 1px solid rgba(152, 232, 222, .28); border-radius: .8rem; background: rgba(41, 38, 83, .55); }
.sample-card img { display: block; width: 100%; height: 12rem; padding: 1.25rem; object-fit: contain; image-rendering: pixelated; background: repeating-conic-gradient(rgba(152, 232, 222, .08) 0 25%, rgba(78, 31, 110, .16) 0 50%) 50% / 1rem 1rem; }
.sample-card figcaption { display: grid; gap: .25rem; padding: .85rem 1rem 1rem; color: var(--muted); }
.sample-card figcaption strong { color: var(--text); }
.sample-card figcaption span { font-size: .9rem; }
.sample-card figcaption a { margin-top: .35rem; }
.evidence-details { margin: 1.25rem 0; padding: 1rem; border: 1px solid rgba(152, 232, 222, .24); border-radius: .7rem; background: var(--surface-deep); }
.evidence-details summary { cursor: pointer; color: var(--mint); font-weight: 700; }
.page-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.5rem 0 2.5rem; border-top: 1px solid var(--indigo); color: #aebfca; }
.page-footer p { margin: 0; }
.page-footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
@media (max-width: 50rem) {
  .page-header, .page-footer { align-items: flex-start; flex-direction: column; }
  .primary-nav { justify-content: flex-start; }
  .card-grid { grid-template-columns: 1fr; }
  .sample-gallery, .sample-gallery-two { grid-template-columns: 1fr; }
}
@media (max-width: 34rem) {
  .page-header, .page-footer, .reading-shell { width: min(100% - 1.2rem, 74rem); }
  .primary-nav a { padding-inline: .45rem; }
  h1 { font-size: 2.35rem; }
}