@font-face {
  font-family:'Instrument Serif';
  src:url('assets/fonts/InstrumentSerif-Regular.ttf') format('truetype');
  font-weight:400;
  font-style:normal;
  font-display:swap;
}

@font-face {
  font-family:'Instrument Serif';
  src:url('assets/fonts/InstrumentSerif-Italic.ttf') format('truetype');
  font-weight:400;
  font-style:italic;
  font-display:swap;
}

@font-face {
  font-family:Inter;
  src:url('assets/fonts/Inter-Variable.ttf') format('truetype');
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}

* {
  box-sizing:border-box;
}

html {
  scroll-behavior:smooth;
  scroll-padding-top:var(--blog-anchor-offset);
}

body {
  margin:0;
  background:var(--blog-canvas);
  color:var(--blog-text);
  font-family:var(--blog-font-reading);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

button,input,select {
  font:inherit;
}

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

button,select,summary {
  cursor:pointer;
}

a {
  color:inherit;
  text-underline-offset:4px;
}

a:hover {
  text-decoration-thickness:2px;
}

button {
  color:inherit;
}

button,a,input,select,summary {
  transition:background-color var(--blog-duration-fast),color var(--blog-duration-fast),border-color var(--blog-duration-fast),transform var(--blog-duration-fast);
}

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

::selection {
  background:var(--blog-selection);
  color:var(--blog-on-selection);
}

[hidden] {
  display:none!important;
}

h1,h2,h3,p {
  margin-top:0;
}

h1,h2,.rail-name,.pattern-title,.closing-note>p,.journal-title,.post-title,.article-title,.serif-sentence {
  font-family:var(--blog-font-display);
  font-weight:400;
}

h1 {
  font-size:clamp(60px,6.1vw,88px);
  line-height:1.03;
  letter-spacing:-2px;
  margin-bottom:24px;
}

h1 em,.pattern-title em,.closing-note em,.journal-title em {
  color:var(--blog-accent);
}

h2 {
  font-size:44px;
  line-height:1.13;
  letter-spacing:-.8px;
  margin:11px 0 0;
}

h3 {
  line-height:1.4;
}

code,pre {
  font-family:var(--blog-font-code);
}

.shell {
  max-width:1344px;
  padding:0 48px;
  margin:0 auto;
}

.site-header {
  height:72px;
  position:sticky;
  top:0;
  z-index:20;
  background:var(--blog-canvas);
  border-bottom:1px solid var(--blog-rule);
}

.header-inner {
  height:100%;
  max-width:1440px;
  margin:auto;
  padding:0 48px;
  display:flex;
  align-items:center;
  gap:32px;
}

.wordmark {
  font-weight:600;
  text-decoration:none;
  font-size:18px;
  letter-spacing:-.5px;
  white-space:nowrap;
}

.wordmark-divider {
  margin:0 12px;
  font-weight:400;
  color:var(--blog-control-edge);
}

.wordmark-sub {
  font-weight:400;
  font-family:var(--blog-font-display);
  font-size:23px;
}

.top-nav {
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
  font-size:13px;
}

.top-nav a {
  min-height:44px;
  display:flex;
  align-items:center;
  text-decoration:none;
  color:var(--blog-secondary);
}

.top-nav a:hover,.top-nav a[aria-current] {
  color:var(--blog-accent);
}

.top-nav a[aria-current] {
  text-decoration:underline;
  text-underline-offset:8px;
}

.theme-control {
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  border-left:1px solid var(--blog-rule);
  padding-left:26px;
}

.theme-toggle {
  display:grid;
  place-items:center;
  width:var(--blog-target-min);
  height:var(--blog-target-min);
  padding:0;
  color:var(--blog-text);
  background:transparent;
  border:1px solid transparent;
  border-radius:var(--blog-radius-pill);
}

.theme-toggle:hover {
  background:var(--blog-surface);
  border-color:var(--blog-rule);
}

.theme-toggle:active {
  background:var(--blog-raised);
}

.theme-toggle svg {
  width:20px;
  height:20px;
}

.progress-track {
  position:absolute;
  bottom:-1px;
  width:100%;
  height:2px;
  pointer-events:none;
}

#reading-progress {
  height:2px;
  width:100%;
  background:var(--blog-accent);
  transform:scaleX(0);
  transform-origin:left;
}

.system-layout {
  display:grid;
  grid-template-columns:184px minmax(0,1fr);
  gap:64px;
}

.contents-rail {
  position:sticky;
  top:72px;
  align-self:start;
  height:calc(100dvh - 72px);
  padding-top:56px;
  display:flex;
  flex-direction:column;
}

.rail-intro {
  display:flex;
  flex-direction:column;
}

.eyebrow,.tiny-label {
  text-transform:uppercase;
  letter-spacing:1.5px;
  font-size:10px;
  font-weight:500;
  color:var(--blog-secondary);
}

.eyebrow {
  font-size:10px;
  letter-spacing:1.7px;
}

.rail-name {
  font-size:32px;
  line-height:1.25;
  margin:8px 0 2px;
}

.meta {
  font-size:12px;
  line-height:1.6;
  color:var(--blog-muted);
}

.desktop-contents {
  margin-top:36px;
  overflow-y:auto;
}

.desktop-contents a,[data-toc] a {
  display:flex;
  gap:16px;
  align-items:center;
  min-height:44px;
  font-size:12px;
  text-decoration:none;
  color:var(--blog-muted);
  border-left:2px solid transparent;
  padding-left:13px;
}

.desktop-contents a span,[data-toc] a span {
  font-family:var(--blog-font-code);
  font-size:10px;
  color:var(--blog-muted);
}

[data-toc] a:hover {
  color:var(--blog-accent);
  background:var(--blog-surface);
}

[data-toc] a[aria-current] {
  color:var(--blog-accent);
  border-left-color:var(--blog-accent);
}

.rail-footer {
  margin-top:auto;
  display:flex;
  flex-direction:column;
  gap:13px;
  padding:32px 0;
}

.version {
  font-size:10px;
  width:max-content;
  letter-spacing:.4px;
  padding:3px 9px;
  border:1px solid var(--blog-rule);
  border-radius:4px;
}

.text-link {
  font-size:12px;
  text-decoration:underline;
  text-underline-offset:5px;
  background:none;
  border:0;
  padding:0;
  color:var(--blog-text);
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-height:44px;
  width:max-content;
  max-width:100%;
}

.text-link:hover {
  color:var(--blog-accent);
}

.text-link:active {
  color:var(--blog-accent-pressed);
}

.rail-footer .text-link {
  font-size:11px;
}

.system-main {
  min-width:0;
}

.overview {
  padding:58px 0 0;
}

.section-kicker {
  display:flex;
  justify-content:space-between;
  gap:16px;
  margin-bottom:34px;
}

.edition {
  font-size:10px;
  color:var(--blog-muted);
  font-family:var(--blog-font-code);
}

.hero-deck {
  font-size:16px;
  line-height:1.8;
  color:var(--blog-secondary);
  margin-bottom:25px;
}

.hero-actions {
  display:flex;
  align-items:center;
  gap:28px;
}

.button {
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap:20px;
  min-height:46px;
  padding:10px 19px;
  border:1px solid var(--blog-control-edge);
  border-radius:var(--blog-radius-control);
  font-size:12px;
  font-weight:500;
  text-decoration:none;
  background:var(--blog-surface);
  color:var(--blog-text);
  line-height:1.4;
}

.button:hover {
  background:var(--blog-raised);
}

.button:active {
  transform:translateY(1px);
}

.button.primary {
  background:var(--blog-primary);
  border-color:var(--blog-primary);
  color:var(--blog-on-primary);
}

.button.primary:hover {
  background:var(--blog-primary-hover);
}

.button.primary:active {
  background:var(--blog-primary-pressed);
}

.button:disabled {
  cursor:not-allowed;
  color:var(--blog-muted);
  background:var(--blog-raised);
  border-color:var(--blog-control-edge);
  transform:none;
}

.button[aria-busy=true] {
  cursor:wait;
}

.button span {
  font-size:17px;
  font-weight:400;
}

.principles {
  margin-top:55px;
  border-top:1px solid var(--blog-rule);
  border-bottom:1px solid var(--blog-rule);
  padding:26px 0;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}

.principles h3 {
  font-weight:500;
  font-size:13px;
  margin:9px 0 6px;
}

.principles p {
  font-size:11px;
  line-height:1.7;
  color:var(--blog-muted);
  margin:0;
}

.tiny-label {
  font-size:9px;
  letter-spacing:1px;
}

.system-section {
  padding-top:66px;
  padding-bottom:0;
  scroll-margin-top:0;
}

.section-heading {
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:flex-end;
  margin-bottom:18px;
}

.section-heading>.meta {
  padding-bottom:4px;
  font-size:10px;
  text-align:right;
}

.section-description {
  color:var(--blog-secondary);
  font-size:13px;
  line-height:1.85;
  max-width:620px;
  margin-bottom:26px;
}

.palette {
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:12px;
}

.swatch {
  padding:0;
  background:none;
  border:0;
  text-align:left;
  min-width:0;
  border-radius:7px;
}

.swatch:hover .swatch-color {
  transform:translateY(-3px);
}

.swatch-color {
  display:block;
  height:112px;
  border-radius:7px;
  border:1px solid var(--blog-rule);
  transition:transform var(--blog-duration-fast);
}

.swatch-color.canvas {
  background:var(--blog-canvas);
}

.swatch-color.surface {
  background:var(--blog-surface);
}

.swatch-color.raised {
  background:var(--blog-raised);
}

.swatch-color.ink {
  background:var(--blog-text);
  border-color:var(--blog-text);
}

.swatch-color.accent {
  background:var(--blog-accent);
  border-color:var(--blog-accent);
}

.swatch-info {
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:4px;
  margin:12px 0 2px;
}

.swatch-info strong {
  font-size:11px;
  font-weight:500;
}

.swatch-info code {
  font-size:9px;
  color:var(--blog-muted);
}

.swatch-role {
  font-size:10px;
  color:var(--blog-muted);
}

.palette-note {
  display:flex;
  justify-content:space-between;
  gap:20px;
  align-items:center;
  margin-top:15px;
  font-size:10px;
  color:var(--blog-muted);
}

.palette-note .text-link {
  font-size:10px;
}

.palette-note>span {
  display:flex;
  align-items:center;
  gap:8px;
}

.small-dot {
  display:inline-block;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--blog-success-text);
}

.semantic-row {
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  margin-top:14px;
  padding-top:20px;
  border-top:1px solid var(--blog-rule);
}

.status {
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:10px;
  padding:5px 10px;
  border-radius:4px;
}

.success {
  color:var(--blog-success-text);
  background:var(--blog-success-bg);
}

.warning {
  color:var(--blog-warning-text);
  background:var(--blog-warning-bg);
}

.error {
  color:var(--blog-error-text);
  background:var(--blog-error-bg);
}

.info {
  color:var(--blog-info-text);
  background:var(--blog-info-bg);
}

.semantic-row>.meta {
  font-size:10px;
  margin-left:auto;
}

.type-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  border:1px solid var(--blog-rule);
  border-radius:12px;
  overflow:hidden;
  margin-top:27px;
}

.type-specimen {
  padding:28px;
  background:var(--blog-surface);
}

.sans-specimen {
  border-left:1px solid var(--blog-rule);
  background:transparent;
}

.serif-alphabet {
  font-family:var(--blog-font-display);
  font-size:82px;
  line-height:1.3;
  letter-spacing:-2px;
  margin:18px 0;
}

.serif-alphabet em {
  color:var(--blog-accent);
}

.sans-alphabet {
  font-size:61px;
  letter-spacing:-4px;
  line-height:1.75;
  margin:18px 0;
}

.serif-sentence {
  font-size:32px;
  line-height:1.15;
  letter-spacing:-.5px;
  margin:0 0 25px;
}

.sans-sentence {
  font-size:25px;
  line-height:1.45;
  font-weight:400;
  letter-spacing:-.7px;
  margin:0 0 20px;
}

.type-specimen>.meta {
  font-size:9px;
}

.type-scale {
  margin-top:30px;
}

.type-scale>div {
  padding:25px 0;
  display:grid;
  grid-template-columns:160px minmax(0,1fr);
  align-items:baseline;
  gap:24px;
  border-bottom:1px solid var(--blog-rule);
}

.type-scale p,.type-scale h3 {
  margin:0;
}

.display-example {
  font-family:var(--blog-font-display);
  font-size:46px;
  line-height:1.15;
  letter-spacing:-1px;
}

.heading-example {
  font-size:27px;
  font-weight:600;
  line-height:1.25;
  letter-spacing:-.6px;
}

.body-example {
  font-size:20px;
  line-height:1.7;
  max-width:688px;
}

.spacing-scale {
  display:flex;
  align-items:flex-end;
  gap:18px;
  padding:24px 24px 18px;
  background:var(--blog-surface);
  border:1px solid var(--blog-rule);
  border-radius:12px;
  margin:26px 0;
}

.spacing-scale>div {
  display:flex;
  flex:1;
  flex-direction:column;
  gap:15px;
  min-width:0;
  align-items:center;
}

.spacing-scale>div>span {
  display:block;
  width:100%;
  background:var(--blog-selected);
  border-top:2px solid var(--blog-accent);
  border-radius:2px 2px 0 0;
}

.spacing-scale code {
  font-size:10px;
  color:var(--blog-muted);
}

.shape-row {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:25px;
  padding:15px 0;
}

.shape-row>div {
  display:flex;
  flex-direction:column;
}

.shape-row strong {
  font-family:var(--blog-font-display);
  font-size:48px;
  font-weight:400;
  line-height:1.2;
  margin:15px 0 8px;
}

.shape-row strong span {
  font-family:Inter,sans-serif;
  font-size:12px;
  margin-left:4px;
  color:var(--blog-muted);
}

.shape-row p {
  font-size:11px;
  color:var(--blog-muted);
  margin:0;
}

.component-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:16px;
}

.component-panel {
  padding:24px;
  border:1px solid var(--blog-rule);
  border-radius:12px;
  min-width:0;
  background:var(--blog-surface);
}

.panel-label {
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  margin-bottom:25px;
}

.panel-label>.meta {
  font-size:9px;
}

.button-examples {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
}

.button-examples+.meta {
  font-size:10px;
  margin:20px 0 0;
}

.field-label {
  display:block;
  font-size:12px;
  font-weight:500;
  margin-bottom:8px;
}

.input-action {
  display:flex;
  gap:8px;
}

input {
  border:1px solid var(--blog-control-edge);
  border-radius:12px;
  background:var(--blog-canvas);
  min-height:48px;
  padding:10px 13px;
  min-width:0;
  width:100%;
  color:var(--blog-text);
  font-size:13px;
}

input::placeholder {
  color:var(--blog-muted);
}

input[aria-invalid=true] {
  border:2px solid var(--blog-error-text);
}

.field-help {
  font-size:11px;
  line-height:1.7;
  color:var(--blog-muted);
  margin:10px 0 0;
  min-height:38px;
}

.field-help[data-state=error] {
  color:var(--blog-error-text);
}

.field-help[data-state=success] {
  color:var(--blog-success-text);
}

.filter-row {
  display:flex;
  gap:4px;
  flex-wrap:wrap;
}

.filter {
  border:1px solid transparent;
  border-radius:6px;
  background:none;
  min-height:44px;
  padding:8px 11px;
  font-size:11px;
  color:var(--blog-secondary);
}

.filter:hover {
  background:var(--blog-raised);
}

.filter[aria-pressed=true] {
  background:var(--blog-selected);
  color:var(--blog-accent);
  border-color:var(--blog-accent);
}

.mini-posts {
  margin-top:16px;
}

.mini-posts a {
  display:flex;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  min-height:48px;
  text-decoration:none;
  border-bottom:1px solid var(--blog-rule);
  font-size:12px;
}

.mini-posts a:hover {
  color:var(--blog-accent);
}

.component-panel>[data-empty-demo] {
  font-size:10px;
  margin-top:8px;
}

.empty-state {
  padding:20px 0;
  font-size:13px;
}

.empty-state p {
  margin-bottom:0;
}

.disclosure {
  border-bottom:1px solid var(--blog-rule);
  font-size:12px;
}

.disclosure summary {
  padding:0 0 16px;
  min-height:44px;
}

.disclosure p {
  color:var(--blog-secondary);
  line-height:1.8;
}

.callout {
  padding:18px 20px;
  background:var(--blog-raised);
  border-left:2px solid var(--blog-accent);
  margin-top:22px;
  font-size:12px;
}

.callout strong {
  font-weight:500;
}

.callout p {
  margin:6px 0 0;
  color:var(--blog-secondary);
  line-height:1.8;
}

.code-panel {
  border:1px solid var(--blog-rule);
  border-radius:12px;
  background:var(--blog-raised);
  margin-top:20px;
  overflow:hidden;
}

.code-toolbar {
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-bottom:1px solid var(--blog-rule);
  padding:0 22px;
  min-height:52px;
  font-family:var(--blog-font-code);
  font-size:10px;
  color:var(--blog-secondary);
}

.code-toolbar button {
  font-family:Inter,sans-serif;
  font-size:10px;
}

pre {
  padding:22px;
  margin:0;
  overflow-x:auto;
  font-size:13px;
  line-height:1.9;
  tab-size:2;
}

pre:focus-visible {
  outline-offset:-4px;
}

.pattern-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}

.pattern-card {
  display:flex;
  flex-direction:column;
  text-decoration:none;
  padding:30px;
  border:1px solid var(--blog-rule);
  border-radius:12px;
  background:var(--blog-surface);
}

.pattern-card:hover {
  border-color:var(--blog-control-edge);
  background:var(--blog-raised);
}

.pattern-title {
  font-size:45px;
  line-height:1.07;
  letter-spacing:-.7px;
  margin:35px 0 20px;
}

.pattern-excerpt {
  font-size:12px;
  line-height:1.8;
  color:var(--blog-secondary);
  margin-bottom:24px;
}

.pattern-link {
  display:flex;
  justify-content:space-between;
  align-items:center;
  min-height:44px;
  border-top:1px solid var(--blog-rule);
  padding-top:14px;
  font-size:11px;
}

.pattern-card:hover .pattern-link {
  text-decoration:underline;
}

.pattern-caption {
  display:flex;
  justify-content:space-between;
  gap:16px;
  margin-top:13px;
}

.pattern-caption .meta {
  font-size:10px;
}

.motion-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:30px;
  padding-top:12px;
}

.motion-grid>div {
  display:flex;
  flex-direction:column;
}

.motion-number {
  font-family:var(--blog-font-display);
  font-size:65px;
  line-height:1.2;
  letter-spacing:-2px;
}

.motion-number span {
  font-size:20px;
  letter-spacing:0;
  color:var(--blog-muted);
  margin-left:4px;
}

.motion-grid strong {
  font-size:12px;
  font-weight:500;
  margin:14px 0 8px;
}

.motion-grid p {
  font-size:12px;
  line-height:1.8;
  color:var(--blog-secondary);
}

.closing-note {
  margin-top:60px;
  text-align:center;
  border-top:1px solid var(--blog-rule);
  padding:64px 24px;
  background:var(--blog-surface);
  border-radius:0 0 12px 12px;
}

.closing-note>p {
  font-size:56px;
  line-height:1.06;
  letter-spacing:-1px;
  margin:24px 0 30px;
}

.closing-links {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:26px;
  margin-bottom:22px;
}

.closing-note>.meta {
  font-size:10px;
}

.system-footer {
  margin-top:56px;
  padding:24px 0 32px;
  border-top:1px solid var(--blog-rule);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:20px;
  font-size:10px;
  color:var(--blog-muted);
}

.system-footer a {
  min-height:44px;
  display:flex;
  align-items:center;
  gap:8px;
}

.system-footer>span {
  padding-top:14px;
}

.toast {
  position:fixed;
  bottom:24px;
  left:50%;
  transform:translateX(-50%);
  z-index:50;
  padding:13px 22px;
  border-radius:10px;
  background:var(--blog-text);
  color:var(--blog-canvas);
  font-size:13px;
  box-shadow:var(--blog-popover-shadow);
  max-width:calc(100% - 40px);
  text-align:center;
}

.skip-link {
  position:fixed;
  left:20px;
  top:-80px;
  z-index:100;
  background:var(--blog-surface);
  padding:12px 24px;
  border:1px solid var(--blog-control-edge);
  border-radius:8px;
}

.skip-link:focus {
  top:12px;
}

.mobile-contents {
  display:none;
}

/* Reading patterns use the same foundations without the specimen framing. */
.publication-shell {
  max-width:1280px;
  padding:0 var(--blog-gutter);
  margin:0 auto;
}

.journal-opening {
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  align-items:center;
  gap:var(--blog-space-7);
  padding:var(--blog-space-5) 0;
  border-bottom:1px solid var(--blog-rule);
}

.journal-hero {
  min-width:0;
}

.journal-title {
  font-size:var(--blog-journal-title-size);
  line-height:1;
  letter-spacing:-2px;
  margin:24px 0;
}

.journal-hero>p {
  font-size:18px;
  color:var(--blog-secondary);
  max-width:520px;
  margin-bottom:var(--blog-space-6);
}

.journal-hero .button {
  font-size:var(--blog-meta-size);
  gap:var(--blog-space-4);
}

.journal-toolbar {
  padding:var(--blog-space-4) 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.featured-post {
  display:block;
  border:1px solid var(--blog-rule);
  border-radius:16px;
  overflow:hidden;
  text-decoration:none;
  min-width:0;
  background:var(--blog-surface);
}

.featured-copy {
  position:relative;
  margin:calc(-1 * var(--blog-space-7)) var(--blog-space-4) var(--blog-space-4);
  padding:var(--blog-space-5);
  background:var(--blog-surface);
  border:1px solid var(--blog-rule);
  border-radius:var(--blog-radius-input);
}

.featured-copy .post-title {
  font-size:32px;
  line-height:1.08;
  letter-spacing:-.8px;
  margin:0 0 var(--blog-space-3);
}

.featured-meta {
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:var(--blog-space-4);
}

.featured-meta .text-link {
  font-size:var(--blog-meta-size);
  gap:var(--blog-space-2);
}

.featured-post:hover .post-title {
  text-decoration:underline;
  text-decoration-thickness:1px;
}

.post-list {
  margin-bottom:70px;
}

.post-row {
  display:grid;
  grid-template-columns:140px minmax(0,1fr) 44px;
  gap:24px;
  align-items:center;
  padding:28px 0;
  border-top:1px solid var(--blog-rule);
  text-decoration:none;
}

.post-row:hover h2 {
  color:var(--blog-accent);
  text-decoration:underline;
  text-decoration-thickness:1px;
}

.post-row h2 {
  font-family:var(--blog-font-display);
  font-size:32px;
  margin:0 0 8px;
}

.post-row p {
  color:var(--blog-secondary);
  font-size:13px;
  margin:0 0 10px;
}

.post-row>span:last-child {
  text-align:right;
}

.page-footer {
  border-top:1px solid var(--blog-rule);
  padding:30px 0 50px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  font-size:12px;
  color:var(--blog-muted);
}

.article-hero {
  max-width:900px;
  margin:0 auto;
  padding:38px 0 64px;
  text-align:center;
}

.article-back {
  display:flex;
  margin:0 0 40px;
}

.article-title {
  font-size:var(--blog-title-size);
  line-height:var(--blog-title-leading);
  letter-spacing:-1.5px;
  margin:24px auto;
  max-width:780px;
}

.article-deck {
  font-size:var(--blog-deck-size);
  line-height:1.5;
  color:var(--blog-secondary);
  max-width:688px;
  margin:0 auto 28px;
}

.article-byline {
  font-size:12px;
  color:var(--blog-secondary);
}

.article-layout {
  display:grid;
  grid-template-columns:184px minmax(0,1fr);
  gap:48px;
  border-top:1px solid var(--blog-rule);
  padding-top:48px;
}

.article-layout>.contents-rail {
  padding-top:0;
  top:110px;
  height:auto;
  max-height:calc(100dvh - 140px);
}

.article-layout .desktop-contents {
  margin-top:20px;
}

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

.prose {
  max-width:688px;
  margin:0 auto;
}

.prose h2 {
  font-family:Inter,sans-serif;
  font-size:var(--blog-h2-size);
  font-weight:600;
  line-height:1.25;
  letter-spacing:-.8px;
  margin:64px 0 24px;
}

.prose h2:first-child {
  margin-top:0;
}

.prose p,.prose li {
  font-size:var(--blog-body-size);
  line-height:var(--blog-body-leading);
  margin-bottom:24px;
}

.prose ul {
  padding-left:24px;
}

.prose .callout {
  margin:32px 0;
  padding:24px;
}

.prose .callout p {
  font-size:16px;
  margin:8px 0 0;
}

.prose blockquote {
  font-family:var(--blog-font-display);
  font-size:38px;
  line-height:1.2;
  margin:40px 0;
  padding-left:24px;
  border-left:2px solid var(--blog-accent);
}

.prose .code-panel {
  margin:32px 0;
}

.prose .meta {
  font-size:12px;
  line-height:1.7;
}

.prose .code-panel pre {
  font-size:14px;
}

.interactive-figure {
  background:var(--blog-surface);
  border:1px solid var(--blog-rule);
  padding:24px;
  border-radius:16px;
  margin:36px 0;
}

.figure-controls {
  display:flex;
  justify-content:space-between;
  gap:20px;
  align-items:center;
  margin-bottom:24px;
}

.figure-controls label {
  font-size:13px;
  font-weight:500;
}

.figure-controls select {
  background:var(--blog-canvas);
  color:var(--blog-text);
  border:1px solid var(--blog-control-edge);
  border-radius:8px;
  min-height:44px;
  padding:0 10px;
}

.evidence-result {
  padding:24px;
  background:var(--blog-canvas);
  border-radius:10px;
  border:1px solid var(--blog-rule);
}

.evidence-result strong {
  font-family:var(--blog-font-display);
  font-size:36px;
  font-weight:400;
  line-height:1.2;
}

.evidence-result p {
  font-size:15px;
  line-height:1.7;
  margin:14px 0;
}

.figure-actions {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-top:12px;
}

.figure-actions .text-link {
  font-size:11px;
}

.interactive-figure figcaption {
  font-size:12px;
  color:var(--blog-muted);
  margin-top:16px;
}

.comparison-table {
  overflow:auto;
  border:1px solid var(--blog-rule);
  border-radius:12px;
  margin:32px 0;
}

.comparison-table:focus-visible {
  outline-offset:3px;
}

table {
  border-collapse:collapse;
  width:100%;
  font-size:14px;
  min-width:480px;
  text-align:left;
}

th,td {
  padding:16px 20px;
  border-bottom:1px solid var(--blog-rule);
}

th {
  background:var(--blog-surface);
  font-weight:500;
}

tr:last-child td {
  border-bottom:0;
}

.article-end {
  padding:50px 0 30px;
  margin-top:64px;
  border-top:1px solid var(--blog-rule);
}

.article-end h2 {
  font-size:32px;
  margin-bottom:24px;
}

.article-end .post-row {
  grid-template-columns:1fr 44px;
}

.article-end .post-row h2 {
  font-size:26px;
}

.icon {
  flex-shrink:0;
}

.featured-image {
  display:block;
  width:100%;
  height:auto;
  object-fit:contain;
  background:var(--blog-surface);
}

.featured-copy {
  min-width:0;
}

.journal-posts .post-row {
  grid-template-columns:var(--blog-index-width) minmax(0,1fr) 24px;
  gap:var(--blog-space-6);
  padding:var(--blog-space-6) 0;
}

.journal-story-copy {
  min-width:0;
}

.journal-posts .post-row h2 {
  font-size:var(--blog-h2-size);
  line-height:var(--blog-h2-leading);
  margin:0 0 var(--blog-space-2);
}

.journal-posts .post-row p {
  font-size:1rem;
  line-height:1.6;
  max-width:62ch;
  margin:0 0 var(--blog-space-3);
}

.journal-posts .post-row .meta {
  display:block;
  line-height:var(--blog-meta-leading);
}

.journal-story-copy>.meta:first-child {
  margin-bottom:var(--blog-space-2);
}

.post-thumbnail {
  display:block;
  width:100%;
  height:auto;
  border-radius:var(--blog-radius-small);
}

.article-cover {
  max-width:var(--blog-page-width);
  margin:0 auto var(--blog-space-7);
}

.article-cover img {
  display:block;
  width:100%;
  height:auto;
  border-radius:var(--blog-radius-panel);
}

[data-page="post"] .article-byline,
[data-page="writing"] .meta {
  font-size:var(--blog-meta-size);
  line-height:var(--blog-meta-leading);
}

[data-page="post"] .prose section {
  margin-top:var(--blog-section-gap);
}

[data-page="post"] .mobile-contents summary {
  display:list-item;
  list-style:revert;
  align-content:center;
}

[data-page="post"] .mobile-contents summary::after {
  content:none;
}

[data-page="post"] .mobile-contents summary::-webkit-details-marker {
  display:revert;
}

@media(max-width:767px) {
  .top-nav .journal-nav-system {
    display:none;
  }
  .journal-posts .post-row {
    grid-template-columns:minmax(0,1fr) 24px;
    gap:var(--blog-space-5);
    padding:var(--blog-space-6) 0;
  }
  .post-thumbnail {
    grid-column:1/-1;
  }
}

@media(max-width:1023px) {
  .journal-opening {
    grid-template-columns:1fr;
    gap:var(--blog-space-6);
    padding:var(--blog-space-6) 0;
  }
  .journal-hero {
    max-width:var(--blog-prose-width);
  }
}

.prose section {
  scroll-margin-top:0;
}

.article-layout .rail-intro .meta {
  font-size:11px;
}

dialog {
  color:var(--blog-text);
  background:var(--blog-canvas);
  border:1px solid var(--blog-control-edge);
  border-radius:16px;
  padding:28px;
  max-width:min(760px,calc(100% - 32px));
  max-height:85dvh;
  overflow:auto;
  box-shadow:var(--blog-popover-shadow);
}

dialog::backdrop {
  background:rgb(15 12 10 / .65);
}

.dialog-heading {
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:center;
  margin-bottom:25px;
}

.dialog-heading h2 {
  font-size:32px;
  margin:0;
}

.dialog-body p {
  font-size:20px;
  line-height:1.7;
}

.dialog-body p.meta {
  font-size:12px;
  line-height:1.7;
  margin-top:20px;
}

.dialog-body strong {
  font-family:var(--blog-font-display);
  font-size:44px;
  font-weight:400;
}

@media(min-width:1280px) {
  .system-section {
    scroll-margin-top:15px;
  }
}

@media(max-width:1279px) {
  .shell {
    padding:0 32px;
  }
  .system-layout {
    display:block;
  }
  .contents-rail {
    position:sticky;
    top:72px;
    height:auto;
    z-index:15;
    background:var(--blog-canvas);
    padding:0;
    border-bottom:1px solid var(--blog-rule);
  }
  .system-layout>.contents-rail {
    margin:0 -32px;
    padding:0 32px;
  }
  .rail-intro,.rail-footer,.desktop-contents {
    display:none;
  }
  .mobile-contents {
    display:block;
    position:relative;
  }
  .mobile-contents summary {
    display:flex;
    justify-content:space-between;
    align-items:center;
    min-height:48px;
    font-size:12px;
    list-style:none;
  }
  .mobile-contents summary:after {
    content:'+';
    margin-left:16px;
    font-size:18px;
  }
  .mobile-contents[open] summary:after {
    content:'−';
  }
  .mobile-contents summary::-webkit-details-marker {
    display:none;
  }
  .current-section {
    margin-left:auto;
    color:var(--blog-muted);
    font-size:11px;
  }
  .mobile-contents nav {
    position:absolute;
    left:0;
    right:0;
    background:var(--blog-surface);
    border:1px solid var(--blog-control-edge);
    border-radius:0 0 10px 10px;
    padding:10px;
    box-shadow:var(--blog-popover-shadow);
    max-height:50dvh;
    overflow:auto;
  }
  .overview {
    padding-top:48px;
  }
  .system-main {
    max-width:960px;
    margin:auto;
  }
  .system-section {
    padding-top:56px;
  }
  h1 {
    font-size:80px;
  }
  .article-layout {
    display:block;
    padding-top:0;
  }
  .article-layout>.contents-rail {
    top:72px;
    max-height:none;
    margin-bottom:40px;
  }
  .article-layout .rail-intro {
    display:none;
  }
  .article-hero {
    padding-bottom:50px;
  }
  .prose h2 {
    scroll-margin-top:0;
  }
}

@media(max-width:767px) {
  .site-header {
    height:64px;
  }
  .header-inner {
    padding:0 20px;
    gap:12px;
  }
  .wordmark {
    font-size:16px;
  }
  .wordmark-sub {
    font-size:21px;
  }
  .wordmark-divider {
    margin:0 8px;
  }
  .top-nav {
    gap:12px;
    font-size:11px;
  }
  .top-nav a[href="article.html"] {
    display:none;
  }
  .theme-control {
    padding-left:0;
    border-left:0;
  }
  .shell {
    padding:0 20px;
  }
  .system-layout>.contents-rail {
    margin:0 -20px;
    padding:0 20px;
  }
  .contents-rail {
    top:64px;
  }
  .overview {
    padding-top:34px;
  }
  .section-kicker {
    margin-bottom:28px;
  }
  .edition {
    font-size:8px;
  }
  .eyebrow {
    font-size:9px;
  }
  .tiny-label {
    font-size:8px;
  }
  .hero-deck {
    font-size:15px;
    line-height:1.8;
  }
  .desktop-break {
    display:none;
  }
  h1 {
    font-size:clamp(48px,11.5vw,72px);
    letter-spacing:-1.3px;
    line-height:1.04;
  }
  h2 {
    font-size:36px;
    letter-spacing:-.6px;
  }
  .hero-actions {
    gap:18px;
    flex-wrap:wrap;
  }
  .hero-actions .text-link {
    font-size:11px;
  }
  .principles {
    margin-top:35px;
    gap:15px;
    padding:22px 0;
  }
  .principles h3 {
    font-size:12px;
  }
  .principles p {
    font-size:10px;
  }
  .section-heading {
    align-items:start;
    display:block;
  }
  .section-heading>.meta {
    display:block;
    text-align:left;
    margin-top:12px;
  }
  .section-description {
    font-size:12px;
  }
  .palette {
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:20px 12px;
  }
  .swatch-color {
    height:100px;
  }
  .swatch-info {
    display:block;
  }
  .swatch-info strong,.swatch-info code {
    display:block;
  }
  .swatch-info strong {
    font-size:11px;
  }
  .swatch-info code {
    font-size:9px;
  }
  .swatch-role {
    font-size:9px;
  }
  .palette-note {
    align-items:flex-start;
    flex-direction:column;
    gap:0;
    font-size:10px;
  }
  .semantic-row {
    gap:8px;
  }
  .semantic-row>.meta {
    width:100%;
    margin-left:0;
    margin-top:5px;
  }
  .type-grid {
    grid-template-columns:1fr;
  }
  .sans-specimen {
    border-left:0;
    border-top:1px solid var(--blog-rule);
  }
  .type-specimen {
    padding:24px;
  }
  .serif-alphabet {
    font-size:80px;
    margin:12px 0;
  }
  .sans-alphabet {
    font-size:58px;
    line-height:1.4;
  }
  .type-scale>div {
    display:block;
    padding:22px 0;
  }
  .type-scale .tiny-label {
    display:block;
    margin-bottom:12px;
  }
  .display-example {
    font-size:38px;
  }
  .heading-example {
    font-size:26px;
  }
  .body-example {
    font-size:18px;
    line-height:1.7;
  }
  .spacing-scale {
    gap:10px;
    padding:20px 14px 16px;
  }
  .spacing-scale code {
    font-size:8px;
  }
  .shape-row {
    grid-template-columns:1fr 1fr;
    gap:28px 24px;
  }
  .shape-row strong {
    font-size:44px;
  }
  .component-grid {
    grid-template-columns:1fr;
  }
  .component-panel {
    padding:20px;
  }
  .pattern-grid {
    grid-template-columns:1fr;
  }
  .pattern-card {
    padding:26px;
  }
  .pattern-title {
    font-size:44px;
    margin-top:28px;
  }
  .pattern-caption {
    flex-direction:column;
    gap:4px;
  }
  .motion-grid {
    grid-template-columns:1fr;
    gap:20px;
  }
  .motion-grid>div {
    display:grid;
    grid-template-columns:110px 1fr;
    column-gap:20px;
  }
  .motion-number {
    grid-row:1/3;
    font-size:54px;
  }
  .motion-grid strong {
    margin:6px 0;
  }
  .motion-grid p {
    margin-bottom:0;
  }
  .closing-note {
    padding:46px 18px;
  }
  .closing-note>p {
    font-size:43px;
  }
  .closing-links {
    flex-wrap:wrap;
    gap:12px;
  }
  .system-footer {
    margin-top:40px;
    gap:4px 20px;
  }
  .system-footer>span {
    padding-top:0;
  }
  .system-footer>a {
    width:100%;
    margin-top:10px;
  }
  .system-section {
    padding-top:48px;
  }
  .journal-hero {
    padding:0;
  }
  .journal-hero>p {
    font-size:16px;
  }
  .journal-toolbar {
    flex-wrap:wrap;
  }
  .featured-copy {
    margin:calc(-1 * var(--blog-space-5)) var(--blog-space-3) var(--blog-space-3);
    padding:var(--blog-space-4);
  }
  .featured-copy .post-title {
    font-size:28px;
  }
  .post-row {
    grid-template-columns:1fr 30px;
    gap:10px 15px;
  }
  .post-row h2 {
    font-size:29px;
  }
  .page-footer {
    flex-wrap:wrap;
    font-size:11px;
  }
  .article-hero {
    padding-top:22px;
    text-align:left;
  }
  .article-back {
    margin-bottom:30px;
  }
  .article-title {
    letter-spacing:-.7px;
  }
  .article-deck {
    font-size:20px;
  }
  .article-layout>.contents-rail {
    top:64px;
    margin-left:-20px;
    margin-right:-20px;
    padding:0 20px;
  }
  .prose p,.prose li {
    font-size:18px;
    line-height:1.7;
  }
  .prose blockquote {
    font-size:32px;
    padding-left:18px;
  }
  .prose h2 {
    font-size:26px;
    margin-top:48px;
  }
  .interactive-figure {
    padding:18px;
  }
  .figure-controls {
    flex-wrap:wrap;
    gap:10px;
  }
  .evidence-result {
    padding:18px;
  }
  .evidence-result strong {
    font-size:32px;
  }
  .evidence-result p {
    font-size:14px;
  }
  .figure-actions {
    flex-wrap:wrap;
  }
  .dialog-heading {
    align-items:start;
  }
  .dialog-heading h2 {
    font-size:26px;
  }
  .article-end .post-row h2 {
    font-size:26px;
  }
}

@media(max-width:374px) {
  .wordmark-sub,.wordmark-divider {
    display:none;
  }
  .top-nav {
    gap:10px;
  }
  .principles {
    grid-template-columns:1fr;
  }
  .principles p {
    font-size:11px;
  }
  .edition {
    display:none;
  }
  .input-action {
    flex-wrap:wrap;
  }
  .palette {
    grid-template-columns:1fr 1fr;
  }
  .shape-row {
    gap:25px 16px;
  }
}

@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
  *,*::before,*::after {
    animation:none!important;
    transition:none!important;
  }
  .swatch:hover .swatch-color,.button:active {
    transform:none;
  }
}

@media(forced-colors:active) {
  .button,.filter,.swatch-color,.status,.component-panel {
    border:1px solid ButtonText;
  }
  .small-dot {
    background:CanvasText;
  }
  [data-toc] a[aria-current] {
    border-left-color:LinkText;
    text-decoration:underline;
  }
}

@media print {
  html {
    color-scheme:light;
  }
  .blog-theme {
    --blog-canvas:#f4f3ed;
    --blog-surface:#faf9f4;
    --blog-text:#121821;
    --blog-secondary:#4d5968;
    --blog-muted:#4d5968;
    --blog-accent:#245ac2;
    --blog-rule:#737f90;
  }
  .site-header,.contents-rail,.toast,.skip-link,.hero-actions,.closing-links,.article-back,.figure-actions,dialog {
    display:none!important;
  }
  body {
    background:#f4f3ed;
    color:#121821;
  }
  .system-layout,.article-layout {
    display:block;
  }
  .shell,.publication-shell {
    padding:0;
  }
  .system-main {
    max-width:none;
  }
  .system-section,.overview,.journal-hero {
    padding-top:24px;
  }
  .prose {
    max-width:none;
  }
  .component-panel,.pattern-card,pre {
    break-inside:avoid;
  }
  .mobile-contents {
    display:none;
  }
  a {
    text-decoration:underline;
  }
  h1 {
    font-size:54px;
  }
  .featured-post {
    break-inside:avoid;
  }
}