:root {
  color-scheme: light;
  --paper: #f6f7f2;
  --paper-strong: #fff;
  --ink: #0b151c;
  --ink-soft: #34444d;
  --muted: #5d696f;
  --line: #d9e0dc;
  --line-dark: #2a3941;
  --lime: #c8ff4d;
  --lime-dark: #8fca00;
  --blue: #2457e6;
  --blue-dark: #173bab;
  --red: #ff6b4a;
  --shell: min(1240px, calc(100vw - 64px));
  --reading: 720px;
  --section-space: clamp(100px, 12vw, 160px);
  /* Intentional system stacks keep typography private and immediately available. */
  --display: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.site-view {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.site-view a { color: inherit; }

button,
a,
summary { -webkit-tap-highlight-color: transparent; }

button,
input { font: inherit; }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 200;
  transform: translateY(-160%);
  background: var(--lime);
  padding: 10px 14px;
  font-weight: 800;
}

.skip-link:focus { transform: translateY(0); }

.site-shell {
  width: var(--shell);
  margin-inline: auto;
}

.brand-cluster {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.v2-header {
  position: sticky;
  top: 0;
  z-index: 80;
  min-height: 76px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 26px;
  width: 100%;
  padding: 0 max(32px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 96%, transparent);
  backdrop-filter: blur(12px);
}

.v2-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -.02em;
  text-decoration: none;
}

.v2-brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  font-family: var(--mono);
  font-size: 14px;
}

.global-menu { position: relative; }

.global-menu summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  padding: 7px 10px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  list-style: none;
  cursor: pointer;
}

.global-menu summary::-webkit-details-marker { display: none; }

.global-menu summary span {
  font-family: var(--mono);
  transition: transform 260ms var(--ease);
}

.global-menu[open] summary span { transform: rotate(45deg); }

.menu-panel {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  z-index: 100;
  width: min(470px, calc(100vw - 32px));
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: var(--ink);
  box-shadow: 16px 18px 42px rgb(11 21 28 / 18%);
  color: var(--paper);
  padding: 12px 20px;
  transform-origin: top left;
  animation: menu-open 280ms var(--ease) both;
}

.menu-panel a {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 18px;
  align-items: baseline;
  border-bottom: 1px solid var(--line-dark);
  padding: 18px 0;
  color: inherit;
  text-decoration: none;
}

.menu-panel a:last-child { border-bottom: 0; }

.menu-panel a::after {
  color: var(--lime);
  content: "↗";
  font-family: var(--mono);
}

.menu-panel a span { font-size: 20px; font-weight: 800; }
.menu-panel a small { color: #b9c6c8; font-size: 12px; }
.menu-panel a:hover span { color: var(--lime); }

.header-context {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.header-course-link {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.header-course-link:hover { text-decoration: underline; text-underline-offset: 5px; }

.section-label,
.mono-label,
.item-meta,
.article-kicker,
.article-progress-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
}

.section-label,
.article-kicker { color: var(--blue); }

.home-hero {
  min-height: calc(100svh - 76px);
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(520px, 1.28fr);
  gap: clamp(50px, 7vw, 110px);
  align-items: center;
  padding-block: clamp(60px, 9vh, 112px);
}

.portrait-frame {
  position: relative;
  align-self: stretch;
  min-height: 520px;
  display: grid;
  place-items: end center;
  overflow: hidden;
  background: var(--lime);
}

.portrait-frame::before {
  position: absolute;
  inset: 24px;
  border: 1px solid rgb(11 21 28 / 30%);
  content: "";
}

.portrait-frame img {
  position: relative;
  z-index: 1;
  display: block;
  width: min(160%, 560px);
  max-width: none;
  height: auto;
  filter: saturate(.9) contrast(1.03);
}

.home-intro { align-self: center; }

.home-intro h1 {
  max-width: 850px;
  margin: 22px 0 26px;
  font-size: clamp(58px, 7.2vw, 96px);
  line-height: .98;
  letter-spacing: -.04em;
}

.home-intro .intro-lead {
  max-width: 680px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(20px, 2vw, 28px);
  line-height: 1.42;
}

.identity-lines {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 54px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.identity-lines p {
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin: 0;
  border-right: 1px solid var(--line);
  padding: 16px 18px;
  font-weight: 750;
}

.identity-lines p:last-child { border-right: 0; }
.identity-lines span { color: var(--muted); font-family: var(--mono); font-size: 10px; }

.signal-strip {
  background: var(--ink);
  color: var(--paper);
}

.signal-strip-inner {
  min-height: 72px;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 28px;
  align-items: center;
}

.signal-strip p { margin: 0; }
.signal-title { color: var(--lime); font-family: var(--mono); font-size: 11px; }
.signal-message {
  min-height: 1.5em;
  overflow: clip;
  font-weight: 750;
  will-change: transform, opacity, filter, clip-path;
}
.signal-message.is-exiting { animation: signal-message-exit 220ms cubic-bezier(.55, 0, 1, .45) forwards; }
.signal-message.is-entering { animation: signal-message-enter 460ms cubic-bezier(.16, 1, .3, 1); }
.signal-state { color: #b9c6c8; font-family: var(--mono); font-size: 11px; }

.home-chapter {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: clamp(52px, 8vw, 132px);
  padding-block: var(--section-space);
}

.chapter-heading { align-self: stretch; }

.chapter-heading-inner {
  position: sticky;
  top: 116px;
}

.chapter-heading h2 {
  margin: 14px 0 18px;
  font-size: clamp(40px, 4.5vw, 62px);
  line-height: 1.02;
  letter-spacing: -.035em;
}

.chapter-heading p:last-child { color: var(--muted); }

.chapter-copy {
  max-width: 790px;
  font-size: clamp(18px, 1.55vw, 22px);
}

.chapter-copy p { margin: 0 0 28px; }
.chapter-copy strong { color: var(--blue); font-weight: 750; }

.work-chapter {
  background: var(--ink);
  color: var(--paper);
}

.home-chapter--work { grid-template-columns: minmax(0, 1fr) 300px; }
.home-chapter--work .chapter-heading { order: 2; }
.home-chapter--work .chapter-copy { color: #dce4e2; }
.home-chapter--work .section-label,
.home-chapter--work .chapter-copy strong { color: var(--lime); }
.home-chapter--work .chapter-heading p:last-child { color: #b9c6c8; }
.home-chapter--work .chapter-copy a {
  color: var(--paper);
  font-weight: 750;
  text-decoration-color: var(--lime);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.work-ledger {
  margin-top: 56px;
  border-top: 1px solid var(--ink);
}

.work-line {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 28px;
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}

.work-line span { color: var(--blue); font-family: var(--mono); font-size: 11px; }
.work-line p { margin: 0; font-size: 16px; font-weight: 700; }

.featured-section {
  padding-block: var(--section-space);
}

.featured-heading {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: end;
  margin-bottom: 34px;
}

.featured-heading h2,
.listing-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(48px, 6vw, 82px);
  line-height: 1;
  letter-spacing: -.04em;
}

.featured-heading a { color: var(--blue); font-weight: 800; text-decoration: none; }

.feature-ledger { border-top: 1px solid var(--ink); }

.feature-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) 220px;
  gap: 36px;
  align-items: center;
  border-bottom: 1px solid var(--ink);
  padding: 38px 0;
  text-decoration: none;
}

.feature-row .feature-type {
  align-self: start;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
}

.feature-row h3 {
  max-width: 830px;
  margin: 0 0 12px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.12;
  letter-spacing: -.03em;
}

.feature-row p { max-width: 710px; margin: 0; color: var(--muted); }

.feature-visual {
  min-height: 126px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  transition: transform 320ms var(--ease);
}

.feature-visual .pass { color: var(--lime); font-size: 28px; }
.feature-topics {
  gap: 7px;
  align-content: center;
  justify-items: start;
  padding: 24px 28px;
}

.feature-topics span {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feature-topics span::before { color: var(--lime); content: "→ "; }
.feature-row:hover .feature-visual { transform: translateX(-8px); }

.listing-hero {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 470px);
  gap: 80px;
  align-items: end;
  padding: clamp(90px, 11vw, 148px) 0 74px;
}

.listing-hero .listing-intro {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 18px;
}

.index-toolbar {
  min-height: 58px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.index-toolbar strong { color: var(--ink); }

.content-index { padding-bottom: 130px; }

.index-row {
  display: grid;
  grid-template-columns: 82px 125px minmax(0, 1fr) 68px;
  gap: 28px;
  align-items: start;
  border-bottom: 1px solid var(--line);
  padding: 36px 0;
  color: inherit;
  text-decoration: none;
}

.index-row:first-child { border-top: 1px solid var(--ink); }
.index-row.featured { background: var(--paper-strong); }
.index-row.featured .index-number { width: fit-content; background: var(--lime); padding: 4px 6px; }
.index-number,
.index-date,
.index-arrow { font-family: var(--mono); font-size: 11px; }
.index-date { color: var(--muted); }
.index-arrow { justify-self: end; color: var(--blue); font-size: 18px; }

.index-copy h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.12;
  letter-spacing: -.03em;
}

.index-copy p { max-width: 820px; margin: 0; color: var(--muted); }
.index-tags { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 20px; color: var(--blue); font-family: var(--mono); font-size: 10px; }
.index-row:hover h2 { color: var(--blue); }

.course-index-row {
  position: relative;
  z-index: 1;
  grid-template-columns: 110px minmax(0, 1fr) 220px;
  align-items: center;
  border: 1px solid var(--ink);
  background: var(--paper-strong);
  box-shadow: 7px 7px 0 var(--lime), 14px 14px 0 var(--ink);
  padding: 36px 38px 38px;
  transition: box-shadow 260ms var(--ease), transform 260ms var(--ease);
}

.course-index {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: 64px;
  padding: 52px 18px 130px 62px;
}

.course-index::before {
  position: absolute;
  top: 46px;
  bottom: 124px;
  left: 20px;
  z-index: 0;
  width: 2px;
  background: var(--blue);
  content: "";
}

.course-index-row::before {
  position: absolute;
  top: 50%;
  left: -42px;
  z-index: -1;
  width: 42px;
  height: 2px;
  background: var(--blue);
  content: "";
}

.course-index-row::after {
  position: absolute;
  top: 50%;
  left: -49px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--ink);
  background: var(--lime);
  box-shadow: 3px 3px 0 var(--blue);
  content: "";
  transform: translateY(-50%);
}

.course-index-row:hover { box-shadow: 10px 10px 0 var(--lime), 18px 18px 0 var(--ink); transform: translate(-4px, -4px); }
.course-index-row:hover::after { background: var(--blue); box-shadow: 3px 3px 0 var(--lime); }
.course-index-row.featured { background: var(--paper-strong); }

.course-index-row .course-facts {
  min-height: 100%;
  display: grid;
  gap: 8px;
  align-content: center;
  justify-items: end;
  border-left: 1px solid var(--line);
  padding: 4px 10px 4px 28px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.course-index-row .course-facts strong {
  margin-bottom: 4px;
  border-bottom: 2px solid var(--blue);
  color: var(--blue);
  padding-bottom: 4px;
  font-size: 12px;
}

.reading-progress {
  position: fixed;
  top: 75px;
  left: 0;
  z-index: 90;
  width: 100%;
  height: 3px;
  background: transparent;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--lime-dark);
  transform-origin: left;
}

.article-hero {
  border-bottom: 1px solid var(--ink);
  padding: 90px 0 78px;
}

.article-heading {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.article-heading h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(50px, 6.4vw, 88px);
  line-height: .98;
  letter-spacing: -.04em;
}

.article-meta {
  display: grid;
  gap: 22px;
  border-top: 1px solid var(--ink);
  padding-top: 18px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.article-meta strong { display: block; margin-top: 3px; color: var(--ink); font-family: var(--display); font-size: 14px; }

.article-lead {
  max-width: 900px;
  margin: 46px 0 0 322px;
  color: var(--ink-soft);
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.45;
}

.article-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, var(--reading));
  gap: 72px;
  align-items: start;
  padding: 100px 0 150px;
}

.article-toc {
  position: sticky;
  top: 118px;
  max-height: calc(100svh - 150px);
  overflow: auto;
  scrollbar-width: thin;
}

.article-toc p { margin: 0 0 18px; color: var(--blue); font-family: var(--mono); font-size: 10px; }

.article-toc nav { display: grid; }

.article-toc a {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding: 10px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  text-decoration: none;
}

.article-toc a span { color: var(--blue); font-family: var(--mono); font-size: 9px; }
.article-toc a.is-active { color: var(--ink); font-weight: 800; }
.article-toc a.is-active span { background: var(--lime); color: var(--ink); }

.article-body { min-width: 0; }

.article-section {
  scroll-margin-top: 110px;
  padding: 0 0 80px;
}

.article-section + .article-section {
  border-top: 1px solid var(--ink);
  padding-top: 78px;
}

.article-section h2 {
  margin: 0 0 30px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.article-section h3 {
  margin: 54px 0 16px;
  font-size: 26px;
  line-height: 1.2;
}

.article-section p,
.article-section li {
  font-size: 18px;
  line-height: 1.78;
}

.article-section p { margin: 0 0 24px; }
.article-section ul,
.article-section ol { margin: 26px 0 32px; padding-left: 26px; }
.article-section li { margin-bottom: 10px; padding-left: 7px; }
.article-section a { color: var(--blue); text-underline-offset: 4px; }
.article-section code { border-radius: 4px; background: #e8ece7; padding: 2px 5px; font-family: var(--mono); font-size: .88em; }

.video-block { margin: 38px 0; }

.markdown-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: var(--ink);
}

.external-video-placeholder {
  display: grid;
  min-height: 300px;
  align-content: center;
  justify-items: start;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(28px, 6vw, 54px);
}

.article-section .external-video-placeholder p { max-width: 600px; margin: 0 0 12px; color: #b9c6c8; font-size: 15px; line-height: 1.6; }
.article-section .external-video-placeholder p:first-child { color: var(--lime); font-family: var(--mono); font-size: 12px; text-transform: uppercase; }
.article-section .external-video-placeholder a { color: var(--paper); }

.external-video-load {
  min-height: 48px;
  margin-top: 12px;
  border: 1px solid var(--lime);
  border-radius: 8px;
  background: var(--lime);
  color: var(--ink);
  padding: 0 18px;
  font: 800 14px/1 var(--display);
  cursor: pointer;
}

.external-video-load:hover { background: transparent; color: var(--lime); }
.external-video-load:focus-visible { outline: 3px solid var(--paper); outline-offset: 3px; }

.article-callout {
  margin: 42px 0;
  border-radius: 12px;
  background: var(--ink);
  color: var(--paper);
  padding: 34px;
}

.article-callout p { margin: 0; color: var(--lime); font-size: clamp(24px, 3vw, 36px); font-weight: 800; line-height: 1.3; }

.practice-list {
  border-top: 1px solid var(--ink);
  margin: 36px 0;
  padding: 0;
  list-style: none;
}

.practice-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  margin: 0;
  padding: 18px 0;
}

.practice-list span { color: var(--blue); font-family: var(--mono); font-size: 11px; }

.article-course-cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  margin: 30px 0;
  background: var(--lime);
  padding: 30px;
}

.article-course-cta p { margin: 0; font-size: 22px; font-weight: 800; line-height: 1.3; }
.article-section .article-course-cta > a { min-height: 48px; display: inline-flex; align-items: center; border-radius: 8px; background: var(--blue); color: #fff; padding: 0 18px; font-weight: 800; text-decoration: none; }

.v2-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 84px 0 34px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr minmax(360px, 520px);
  gap: 90px;
}

.footer-grid h2 { max-width: 500px; margin: 0; font-size: clamp(42px, 5vw, 68px); line-height: 1.02; letter-spacing: -.035em; }
.footer-grid h2 span { color: var(--lime); }
.footer-grid p { color: #b9c6c8; }

.v2-subscribe label { display: block; margin-bottom: 12px; font-weight: 800; }
.v2-subscribe-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.v2-subscribe input { min-height: 52px; min-width: 0; border: 1px solid var(--line-dark); border-radius: 8px; background: #14232b; color: #fff; padding: 0 14px; }
.v2-subscribe button { min-height: 52px; border: 0; border-radius: 8px; background: var(--lime); color: var(--ink); padding: 0 18px; font-weight: 800; cursor: pointer; }
.v2-subscribe-status { min-height: 24px; margin: 10px 0 0; font-family: var(--mono); font-size: 10px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
  margin-top: 70px;
  border-top: 1px solid var(--line-dark);
  padding-top: 26px;
}

.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: var(--paper); text-underline-offset: 5px; }
.footer-bottom p { margin: 0; font-family: var(--mono); font-size: 10px; }

@keyframes menu-open {
  from { opacity: 0; transform: translateY(-8px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes signal-message-exit {
  from {
    opacity: 1;
    filter: blur(0);
    clip-path: inset(0 0 0 0);
    transform: translateX(0);
  }
  to {
    opacity: 0;
    filter: blur(6px);
    clip-path: inset(0 100% 0 0);
    transform: translateX(-28px);
  }
}

@keyframes signal-message-enter {
  from {
    opacity: 0;
    filter: blur(8px);
    clip-path: inset(0 0 0 100%);
    color: var(--lime);
    transform: translateX(28px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    clip-path: inset(0 0 0 0);
    color: var(--paper);
    transform: translateX(0);
  }
}

@media (max-width: 980px) {
  .home-hero { grid-template-columns: 310px 1fr; gap: 48px; }
  .portrait-frame { min-height: 450px; }
  .portrait-frame img { width: min(140%, 500px); }
  .identity-lines { grid-template-columns: 1fr; }
  .identity-lines p { min-height: 62px; border-right: 0; border-bottom: 1px solid var(--line); }
  .identity-lines p:last-child { border-bottom: 0; }
  .home-chapter { grid-template-columns: 230px 1fr; gap: 60px; }
  .home-chapter--work { grid-template-columns: 1fr 230px; }
  .feature-row { grid-template-columns: 100px 1fr; }
  .feature-visual { display: none; }
  .article-heading,
  .article-layout { grid-template-columns: 220px minmax(0, 1fr); gap: 50px; }
  .article-lead { margin-left: 270px; }
}

@media (max-width: 720px) {
  :root { --shell: calc(100vw - 32px); }
  .v2-header { min-height: 66px; grid-template-columns: 1fr auto; gap: 12px; padding: 0 16px; }
  .v2-header .brand-cluster { gap: 10px; }
  .header-context { display: none; }
  .header-course-link { display: none; }
  .global-menu summary { min-height: 34px; padding: 6px 8px; }
  .menu-panel { position: fixed; top: 66px; right: 16px; left: 16px; width: auto; transform-origin: top center; }
  .menu-panel a { grid-template-columns: 84px 1fr auto; gap: 10px; }
  .menu-panel a span { font-size: 18px; }
  .home-hero { min-height: auto; grid-template-columns: 1fr; gap: 30px; padding-block: 38px 64px; }
  .portrait-frame { min-height: 460px; order: 2; }
  .portrait-frame img { width: min(116%, 430px); }
  .home-intro { order: 1; }
  .home-intro h1 { margin-top: 18px; font-size: clamp(52px, 15vw, 72px); }
  .home-intro .intro-lead { font-size: 19px; }
  .identity-lines { margin-top: 38px; }
  .signal-strip-inner { min-height: 84px; grid-template-columns: 1fr auto; gap: 6px 16px; padding-block: 14px; }
  .signal-message { grid-column: 1 / -1; grid-row: 2; font-size: 14px; }
  .home-chapter { grid-template-columns: 1fr; gap: 42px; }
  .home-chapter--work { grid-template-columns: 1fr; }
  .home-chapter--work .chapter-heading { order: initial; }
  .chapter-heading-inner { position: static; }
  .chapter-heading h2 { font-size: 46px; }
  .chapter-copy { font-size: 18px; }
  .work-line { grid-template-columns: 78px 1fr; gap: 16px; }
  .featured-heading { display: grid; }
  .feature-row { grid-template-columns: 1fr; gap: 14px; padding: 30px 0; }
  .feature-row .feature-type { color: var(--blue); }
  .listing-hero { grid-template-columns: 1fr; gap: 30px; padding: 72px 0 48px; }
  .listing-hero h1 { font-size: 54px; }
  .index-toolbar { min-height: 66px; }
  .index-row { grid-template-columns: 52px 1fr 28px; gap: 12px; padding: 28px 0; }
  .index-date { grid-column: 2; grid-row: 1; }
  .index-copy { grid-column: 2 / -1; }
  .index-arrow { grid-column: 3; grid-row: 1; }
  .course-index { gap: 44px; padding: 36px 12px 130px 36px; }
  .course-index::before { top: 30px; bottom: 124px; left: 7px; }
  .course-index-row {
    grid-template-columns: 1fr;
    gap: 20px;
    box-shadow: 5px 5px 0 var(--lime), 10px 10px 0 var(--ink);
    padding: 24px;
  }
  .course-index-row::before { left: -29px; width: 29px; }
  .course-index-row::after { left: -36px; }
  .course-index-row:hover { box-shadow: 7px 7px 0 var(--lime), 13px 13px 0 var(--ink); transform: translate(-3px, -3px); }
  .course-index-row .index-copy { grid-column: 1; }
  .course-index-row .course-facts {
    min-height: 0;
    grid-column: 1;
    justify-items: start;
    border-top: 1px solid var(--line);
    border-left: 0;
    padding: 18px 0 0;
  }
  .reading-progress { top: 65px; }
  .article-hero { padding: 66px 0 58px; }
  .article-heading { grid-template-columns: 1fr; gap: 34px; }
  .article-heading h1 { font-size: clamp(48px, 14vw, 68px); }
  .article-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; order: 2; }
  .article-meta p { min-width: 0; overflow-wrap: anywhere; }
  .article-meta p:last-child { grid-column: 1 / -1; }
  .article-lead { margin: 34px 0 0; font-size: 20px; }
  .article-layout { grid-template-columns: 1fr; gap: 46px; padding: 70px 0 100px; }
  .article-toc { position: static; max-height: none; }
  .article-toc nav { grid-template-columns: 1fr 1fr; column-gap: 18px; }
  .article-section { padding-bottom: 58px; }
  .article-section + .article-section { padding-top: 56px; }
  .article-section h2 { font-size: 36px; }
  .article-section p,
  .article-section li { font-size: 17px; }
  .article-callout { padding: 26px; }
  .article-course-cta { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 56px; }
  .v2-subscribe-row { grid-template-columns: 1fr; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}