@font-face {
  font-family: "Lora";
  font-style: normal;
  font-weight: normal;
  src: local("Lora Regular"), local("Lora-Regular"),
    url("../fonts/lora-v24-latin-ext_latin-regular.woff2") format("woff2");
  font-display: optional;
}

@font-face {
  font-family: "Fira Sans";
  font-style: normal;
  font-weight: 500;
  src: local("Fira Sans Medium"), local("FiraSans-Medium"),
    url("../fonts/Fira_Sans_500.woff2") format("woff2");
  font-display: optional;
}

:root {
  --color-text: #303030;
  --color-body: #333332;
  --color-muted: #66696f;
  --color-soft: #f6f6f6;
  --color-line: #eeeeee;
  --color-nav: #fbfbfb;
  --color-link: #b30600;
  --color-link-hover: #303030;
  --font-content: "Lora", "Helvetica", serif;
  --font-heading: "Fira Sans", "Helvetica Neue", "Helvetica", sans-serif;
  --font-code: Menlo, Monaco, "DejaVu Sans Mono", Consolas, monospace;
  --main-width: 800px;
  --wide-width: 1120px;
  --page-gutter: 42px;
}

* {
  box-sizing: border-box;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

html {
  background: #ffffff;
  color: var(--color-text);
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: #ffffff;
  color: var(--color-body);
  font-family: var(--font-content);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--color-link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 5px;
  transition: color 0.2s ease-out;
}

a:hover,
a:focus,
a:active {
  color: var(--color-link-hover);
}

p,
li {
  font-size: 1.1875rem;
  line-height: 1.65;
}

p {
  margin: 0 0 1rem;
}

ul,
ol {
  margin: 0 0 2rem;
  padding-left: 1.4rem;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: 0;
}

strong,
b {
  font-weight: 600;
}

em {
  font-style: italic;
}

.site-header {
  background: var(--color-nav);
}

.main-navigation {
  display: flex;
  align-items: center;
  gap: 25px;
  flex-wrap: wrap;
  width: min(var(--wide-width), calc(100% - var(--page-gutter)));
  min-height: 80px;
  margin: 0 auto;
  padding: 1rem 0;
  font-family: var(--font-heading);
}

.main-navigation a {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1;
  text-decoration: none;
}

.main-navigation a.active,
.main-navigation a:hover,
.main-navigation a:focus {
  color: var(--color-link);
}

.nav-home {
  color: var(--color-link);
  font-size: 1.25rem;
}

.nav-divider {
  color: #cfcfcf;
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1;
}

.nav-search {
  appearance: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1;
}

.nav-search:hover,
.nav-search:focus {
  color: var(--color-link);
}

.search-is-open {
  overflow: hidden;
}

.search-overlay[hidden] {
  display: none;
}

.search-overlay {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: start center;
  overflow: auto;
  padding: min(11vh, 7rem) var(--page-gutter) 2rem;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(8px);
}

.search-dialog {
  width: min(720px, 100%);
  max-height: min(76vh, 760px);
  overflow: auto;
  padding: 1.25rem;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: #ffffff;
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.18);
}

.search-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.search-header h2 {
  color: var(--color-link);
  font-size: 1rem;
  line-height: 1.3;
  text-transform: uppercase;
}

.search-close {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--color-line);
  background: #ffffff;
  color: var(--color-muted);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1;
}

.search-close:hover,
.search-close:focus {
  border-color: var(--color-link);
  color: var(--color-link);
}

.search-input {
  width: 100%;
  min-height: 3.5rem;
  padding: 0.75rem 0;
  border: 0;
  border-bottom: 2px solid var(--color-text);
  border-radius: 0;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1.2;
  outline: 0;
}

.search-input:focus {
  border-color: var(--color-link);
}

.search-input::placeholder {
  color: #a5a5a5;
  opacity: 1;
}

.search-status {
  margin: 1rem 0 0.5rem;
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  line-height: 1.5;
}

.search-results {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.search-results li {
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 1rem;
  line-height: 1.5;
}

.search-results li:last-child {
  border-bottom: 0;
}

.search-results a {
  display: block;
  padding: 0.85rem 0;
  color: var(--color-text);
  text-decoration: none;
}

.search-results a:hover,
.search-results a:focus {
  color: var(--color-link);
}

.search-result-title,
.search-result-description,
.search-result-date {
  display: block;
}

.search-result-title {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  line-height: 1.35;
}

.search-result-description {
  margin-top: 0.3rem;
  color: var(--color-muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.search-result-date {
  margin-top: 0.35rem;
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  line-height: 1.3;
}

.page {
  display: grid;
  grid-template-columns: 240px minmax(0, var(--main-width));
  gap: 40px;
  width: min(var(--wide-width), calc(100% - var(--page-gutter)));
  margin: 0 auto;
  padding: 67px 0 80px;
}

.home-page {
  display: block;
  width: min(var(--main-width), calc(100% - var(--page-gutter)));
  padding-top: 36px;
}

.home-page .hero {
  padding-bottom: 1.6rem;
}

.home-page .eyebrow {
  margin-bottom: 0.65rem;
  font-size: 0.9rem;
}

.home-page h1 {
  font-size: 10rem;
  line-height: 0.9;
}

.home-page .subtitle {
  max-width: none;
  margin: 0.85rem 0 0;
  font-size: 1.0625rem;
  line-height: 1.6;
}

.home-page .meta {
  gap: 0.45rem 0.85rem;
  margin-top: 1.05rem;
}

.home-page .meta li {
  font-size: 0.875rem;
}

.hero {
  grid-column: 1 / -1;
  padding-bottom: 2.75rem;
  border-bottom: 1px solid var(--color-line);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--color-link);
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1.5;
  text-transform: uppercase;
}

h1 {
  max-width: 960px;
  font-size: 3.5rem;
  line-height: 1.12;
  overflow-wrap: break-word;
  text-wrap: balance;
}

.subtitle {
  max-width: var(--main-width);
  margin-top: 1.15rem;
  color: var(--color-muted);
  font-size: 1.25rem;
  line-height: 1.55;
}

.lead {
  max-width: var(--main-width);
  margin-top: 1.5rem;
  margin-bottom: 2rem;
  font-size: 1.4rem;
  line-height: 1.5;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.meta li {
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  line-height: 1.4;
}

.meta li + li::before {
  color: #cfcfcf;
  content: "/";
  margin-right: 1rem;
}

.meta a {
  color: var(--color-link);
}

.article-date {
  font-variant-numeric: tabular-nums;
}

.article {
  min-width: 0;
}

.article a,
.page-footer a {
  overflow-wrap: anywhere;
}

.home-index {
  margin-top: 2.4rem;
}

.article > section + section {
  margin-top: 3.5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--color-line);
}

.article h2 {
  margin-bottom: 1rem;
  font-size: 2.45rem;
  line-height: 1.16;
  overflow-wrap: break-word;
  text-wrap: balance;
}

.article-flow h2 {
  margin-top: 3rem;
}

.article-flow h2:first-of-type {
  margin-top: 1rem;
}

.article h3 {
  margin: 2rem 0 0.65rem;
  font-size: 1.5rem;
  line-height: 1.25;
}

.article h4 {
  margin: 1.5rem 0 0.55rem;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.35;
  text-wrap: balance;
}

.article p {
  color: var(--color-body);
}

.article ul,
.article ol {
  color: var(--color-body);
}

.article table {
  width: 100%;
  max-width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 1rem;
  line-height: 1.5;
}

.article th,
.article td {
  padding: 0.75rem;
  border: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.article th {
  background: #f9f9f9;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 500;
}

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

.article code {
  padding: 0.08rem 0.25rem;
  background: #f6f6f6;
  font-size: 0.9em;
}

.formula,
.formula-block {
  font-family: var(--font-code);
}

.formula {
  padding: 0.08rem 0.25rem;
  background: #f6f6f6;
  font-size: 0.9em;
}

.formula-block {
  overflow-x: auto;
  margin: 1.5rem 0;
  padding: 1rem;
  border: 1px solid var(--color-line);
  background: #ffffff;
  font-size: 0.95rem;
  line-height: 1.55;
  white-space: nowrap;
}

.article pre {
  overflow-x: auto;
  margin: 1.5rem 0;
  padding: 1rem;
  background: #2f2f2f;
  color: #f7f7f7;
  font-size: 0.95rem;
  line-height: 1.55;
  -webkit-overflow-scrolling: touch;
}

.article pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

.toc {
  position: sticky;
  top: 24px;
  align-self: start;
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 0 0 0 1rem;
  border-left: 4px solid var(--color-line);
}

.toc h2 {
  margin-bottom: 0.75rem;
  color: var(--color-link);
  font-size: 1rem;
  line-height: 1.5;
  text-transform: uppercase;
}

.toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc li {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.35;
}

.toc a {
  display: block;
  padding: 0.35rem 0;
  color: var(--color-muted);
  text-decoration: none;
}

.toc a:hover,
.toc a:focus,
.toc a.is-active {
  color: var(--color-link);
}

.toc.is-enhanced a.is-active {
  font-weight: 600;
}

.attachment-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  margin: 0 0 2.5rem;
  padding: 1.5rem;
  border: 1px solid var(--color-line);
  border-top: 5px solid var(--color-link);
  background: linear-gradient(135deg, #ffffff 0%, #f8f8f8 100%);
}

.attachment-card__eyebrow {
  margin-bottom: 0.4rem;
  color: var(--color-link);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.attachment-card__title {
  margin-bottom: 0.55rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 500;
  line-height: 1.25;
  text-wrap: balance;
}

.attachment-card__description {
  margin-bottom: 0.65rem;
  font-size: 1rem;
  line-height: 1.55;
}

.attachment-card__meta {
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  line-height: 1.5;
}

.attachment-card__actions {
  display: flex;
  min-width: 9.5rem;
  flex-direction: column;
  gap: 0.65rem;
}

.attachment-button {
  display: inline-flex;
  justify-content: center;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--color-text);
  background: #ffffff;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 0.88rem;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
}

.attachment-button:hover,
.attachment-button:focus {
  border-color: var(--color-link);
  color: var(--color-link);
}

.attachment-button--primary {
  border-color: var(--color-link);
  background: var(--color-link);
  color: #ffffff;
}

.attachment-button--primary:hover,
.attachment-button--primary:focus {
  background: var(--color-text);
  color: #ffffff;
}

.llm-disclaimer,
.source-note,
.note,
.callout,
.verdict,
.summary-box,
.argument-box,
.reading-guide,
.quote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 9px solid var(--color-link);
  background: #f9f9f9;
}

.llm-disclaimer {
  max-width: var(--main-width);
}

.llm-disclaimer strong,
.source-note strong,
.note strong,
.callout strong,
.verdict strong,
.summary-box strong,
.argument-box strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 1rem;
}

.summary-box h3,
.argument-box h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.source-note {
  border-color: #7a7a7a;
}

.callout {
  border-color: var(--color-link);
}

.callout.ok {
  border-color: #6f8f78;
  background: #f6faf7;
}

.callout.ok strong {
  color: #4d7358;
}

.callout.warning {
  border-color: #9a7b3f;
  background: #fbf8ef;
}

.callout.warning strong {
  color: #7c5e24;
}

.callout.bad {
  border-color: var(--color-link);
  background: #fbf5f5;
}

.callout.bad strong {
  color: var(--color-link);
}

.verdict {
  border-color: var(--color-link);
}

.summary-box,
.argument-box {
  border-color: var(--color-link);
}

.editorial-note {
  border-color: #7a7a7a;
}

.article blockquote {
  margin: 1.5rem 0;
  padding: 0.35rem 0 0.35rem 1.25rem;
  border-left: 4px solid var(--color-link);
  color: var(--color-body);
  font-size: 1.25rem;
  line-height: 1.6;
}

.method-panel {
  margin: 1.75rem 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-line);
  background: #f9f9f9;
}

.method-panel summary {
  color: var(--color-text);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
}

.method-panel[open] summary {
  margin-bottom: 1rem;
}

.method-panel p {
  font-size: 1rem;
  line-height: 1.6;
}

.method-panel p:last-child {
  margin-bottom: 0;
}

.article caption {
  caption-side: top;
  margin-bottom: 0.5rem;
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  line-height: 1.45;
  text-align: left;
}

.quote {
  border-color: #7a7a7a;
  font-family: var(--font-code);
  font-size: 1rem;
  line-height: 1.75;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--color-line);
  border-radius: 3px;
  background: #ffffff;
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  line-height: 1.3;
}

.grid,
.concept-map,
.sep-grid,
.course-columns,
.distortion-grid,
.example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.card,
.concept-item,
.sep-card,
.course-card,
.distortion-card,
.example-card {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--color-line);
  border-radius: 3px;
  background: #ffffff;
}

.card strong,
.concept-item strong,
.sep-card strong,
.course-card strong,
.distortion-card strong,
.example-card strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1.4;
}

.card p,
.concept-item p,
.sep-card p,
.course-card p,
.distortion-card p,
.example-card p {
  font-size: 1rem;
  line-height: 1.6;
}

.card h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.flow {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.flow-step {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: 3px;
  background: #ffffff;
}

.flow-step strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1.35;
}

.flow-step span:not(.num) {
  display: block;
  color: var(--color-body);
  font-size: 1rem;
  line-height: 1.55;
}

.num {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  background: var(--color-link);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  line-height: 1;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--color-line);
  border-radius: 3px;
  background: #ffffff;
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  line-height: 1.3;
}

.capsule-row,
.verdict-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.capsule {
  padding: 1rem;
  border: 1px solid var(--color-line);
  background: #ffffff;
}

.capsule .label,
.capsule .sub {
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  line-height: 1.4;
}

.capsule .label {
  text-transform: uppercase;
}

.capsule .value {
  margin: 0.25rem 0;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 1.45rem;
  line-height: 1.15;
}

.verdict-grid .verdict {
  margin: 0;
}

.verdict-grid .verdict h3 {
  margin-top: 0;
}

.figure {
  overflow-x: auto;
  margin: 1.75rem 0;
  padding: 0.75rem;
  border: 1px solid var(--color-line);
  background: #ffffff;
  -webkit-overflow-scrolling: touch;
}

.figure img {
  display: block;
  width: 100%;
  height: auto;
}

.figure svg {
  display: block;
  width: 100%;
  height: auto;
}

.caption {
  margin-top: 0.75rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  text-align: center;
}

.checklist {
  padding-left: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding-left: 1.45rem;
}

.checklist li::before {
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 0.65rem;
  height: 0.65rem;
  border: 1px solid var(--color-link);
  content: "";
}

.small {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.refs a {
  overflow-wrap: anywhere;
}

.example,
.mini-caption,
.axis-kicker,
.label {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.sep-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
}

.comparison-stack {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0;
}

.axis-card {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) minmax(0, 1fr);
  border: 1px solid var(--color-line);
  border-radius: 3px;
  background: #ffffff;
}

.axis-card > div {
  min-width: 0;
  padding: 1rem;
  border-left: 1px solid var(--color-line);
}

.axis-card > div:first-child {
  border-left: 0;
}

.axis-label {
  color: var(--color-link);
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1.4;
}

.source-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.source-list li {
  padding: 0 0 0.75rem;
  border-bottom: 1px solid var(--color-line);
  font-size: 1rem;
  line-height: 1.5;
}

.source-list li:last-child {
  border-bottom: 0;
}

.source-list span {
  display: block;
  margin-top: 0.25rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.home-index .source-list a {
  display: block;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 1.55rem;
  line-height: 1.24;
  overflow-wrap: anywhere;
}

.home-index .source-list a:hover {
  color: var(--color-link);
}

.home-index .topic-heading {
  display: block;
}

.home-index .source-list .thread-date {
  display: inline-block;
  margin-left: 0.45rem;
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  line-height: 1.2;
  white-space: nowrap;
}

.home-index .source-list {
  gap: 1.45rem;
  margin-top: 0;
}

.home-index .source-list li {
  padding-bottom: 1.45rem;
}

.home-index .source-list span {
  max-width: 42rem;
  margin-top: 0.75rem;
  font-size: 1rem;
  line-height: 1.6;
}

sup a {
  color: var(--color-link);
  font-family: var(--font-heading);
  font-size: 0.75em;
  text-decoration: none;
}

.cite {
  color: var(--color-link);
  font-family: var(--font-heading);
  font-size: 0.75em;
  text-decoration: none;
  vertical-align: super;
}

.sources {
  padding-bottom: 1rem;
}

.article-flow .sources {
  margin-top: 3.5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-line);
}

.article-flow .sources h2 {
  margin-top: 0;
}

.article-flow .sources a {
  overflow-wrap: anywhere;
}

.sources .tag {
  margin-right: 0.6rem;
}

.backtop {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
}

.page-footer {
  width: min(var(--main-width), calc(100% - var(--page-gutter)));
  margin: 0 auto;
  padding: 0 0 80px;
  color: var(--color-muted);
  text-align: center;
}

.page-footer::before {
  display: block;
  width: 100%;
  height: 1px;
  margin-bottom: 2rem;
  background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.12), transparent);
  content: "";
}

.page-footer p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.page-footer strong {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 500;
}

.page-footer p + p {
  margin-top: 0.75rem;
}

.home-link {
  font-family: var(--font-heading);
}

@media (max-width: 1000px) {
  .main-navigation {
    width: min(var(--main-width), calc(100% - var(--page-gutter)));
    min-height: 64px;
  }

  .page {
    grid-template-columns: 1fr;
    gap: 32px;
    width: min(var(--main-width), calc(100% - var(--page-gutter)));
    padding-top: 48px;
  }

  .toc {
    position: static;
    max-height: none;
    order: 2;
    margin-top: -1.5rem;
    margin-bottom: 1.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--color-line);
    border-bottom: 1px solid var(--color-line);
    border-left: 0;
  }

  .toc ol {
    columns: 2;
    column-gap: 2rem;
  }

  .search-overlay {
    padding-top: 4.5rem;
  }

  .article {
    order: 3;
  }

  .axis-card {
    grid-template-columns: 1fr;
  }

  .axis-card > div {
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

  .axis-card > div:first-child {
    border-top: 0;
  }
}

@media (max-width: 700px) {
  :root {
    --page-gutter: 21%;
  }

  p,
  li {
    font-size: 1.0625rem;
    line-height: 1.7;
  }

  ul,
  ol {
    padding-left: 1.15rem;
  }

  .main-navigation {
    gap: 0.45rem 1rem;
    min-height: 0;
    padding: 0.8rem 0;
  }

  .main-navigation a {
    font-size: 0.95rem;
    line-height: 1.35;
  }

  .nav-home {
    font-size: 1.05rem;
  }

  .nav-search {
    font-size: 0.95rem;
    line-height: 1.35;
  }

  .search-dialog {
    max-height: calc(100vh - 5rem);
    padding: 1rem;
  }

  .search-input {
    min-height: 3rem;
    font-size: 1.35rem;
  }

  .page {
    gap: 24px;
    padding: 34px 0 56px;
  }

  .home-page {
    padding-top: 24px;
  }

  .hero {
    padding-bottom: 1.8rem;
  }

  .home-page .hero {
    padding-bottom: 1.25rem;
  }

  .eyebrow {
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .home-page h1 {
    font-size: 5.6rem;
    line-height: 0.92;
  }

  h1 {
    font-size: 2.35rem;
    line-height: 1.14;
  }

  .subtitle,
  .home-page .subtitle {
    margin-top: 0.85rem;
    font-size: 1.0625rem;
    line-height: 1.6;
  }

  .lead {
    margin-top: 1.1rem;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.6;
  }

  .meta {
    display: grid;
    gap: 0.35rem;
  }

  .meta li + li::before {
    content: none;
    margin: 0;
  }

  .home-index {
    margin-top: 1.8rem;
  }

  .article > section + section {
    margin-top: 2.4rem;
    padding-top: 2.4rem;
  }

  .article-flow h2 {
    margin-top: 2.35rem;
  }

  .article h2 {
    margin-bottom: 0.85rem;
    font-size: 1.8rem;
    line-height: 1.2;
  }

  .article h3 {
    margin-top: 1.55rem;
    font-size: 1.22rem;
    line-height: 1.3;
  }

  .grid,
  .concept-map,
  .sep-grid,
  .course-columns,
  .distortion-grid,
  .example-grid {
    grid-template-columns: 1fr;
  }

  .card,
  .concept-item,
  .sep-card,
  .course-card,
  .distortion-card,
  .example-card,
  .flow-step {
    padding: 0.85rem;
  }

  .card p,
  .concept-item p,
  .sep-card p,
  .course-card p,
  .distortion-card p,
  .example-card p,
  .flow-step span:not(.num),
  .source-list li,
  .source-list span {
    font-size: 0.96rem;
    line-height: 1.6;
  }

  .toc {
    max-height: none;
    margin-top: -0.75rem;
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .toc ol {
    display: flex;
    gap: 0.5rem;
    max-width: 100%;
    overflow-x: auto;
    padding-bottom: 0.35rem;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }

  .toc li {
    flex: 0 0 auto;
    max-width: 16rem;
    scroll-snap-align: start;
  }

  .toc a {
    padding: 0.45rem 0.65rem;
    border: 1px solid var(--color-line);
    background: #ffffff;
    line-height: 1.35;
  }

  .toc a:hover,
  .toc a:focus,
  .toc a.is-active {
    border-color: #d8d8d8;
  }

  .article table {
    display: block;
    overflow-x: auto;
    margin: 1.25rem 0;
    font-size: 0.92rem;
    line-height: 1.45;
    -webkit-overflow-scrolling: touch;
  }

  .article th,
  .article td {
    min-width: 8.5rem;
    padding: 0.6rem;
  }

  .llm-disclaimer,
  .source-note,
  .note,
  .callout,
  .verdict,
  .summary-box,
  .argument-box,
  .reading-guide,
  .quote {
    margin: 1.25rem 0;
    padding: 0.85rem 0.95rem;
    border-left-width: 5px;
  }

  .article blockquote {
    padding-left: 0.9rem;
    font-size: 1.0625rem;
    line-height: 1.65;
  }

  .formula-block,
  .article pre {
    margin: 1.25rem 0;
    padding: 0.85rem;
    font-size: 0.86rem;
  }

  .figure {
    padding: 0.55rem;
  }

  .attachment-card {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.1rem;
  }

  .attachment-card__actions {
    min-width: 0;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .attachment-button {
    flex: 1 1 9rem;
  }

  .figure svg {
    min-width: 560px;
  }

  .caption {
    text-align: left;
  }

  .axis-card > div {
    padding: 0.85rem;
  }

  .home-index .source-list {
    gap: 1.1rem;
  }

  .home-index .source-list li {
    padding-bottom: 1.1rem;
  }

  .home-index .source-list a {
    font-size: 1.25rem;
    line-height: 1.28;
  }

  .home-index .source-list span {
    margin-top: 0.55rem;
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .page-footer {
    padding-bottom: 56px;
    text-align: left;
  }

  .page-footer::before {
    margin-bottom: 1.4rem;
  }
}

@media (max-width: 430px) {
  .main-navigation {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.35rem 1rem;
  }

  .nav-home {
    grid-column: 1;
    grid-row: 1;
  }

  .main-navigation a:not(.nav-home) {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .nav-divider {
    display: none;
  }

  .nav-search {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .home-page h1 {
    font-size: 4.65rem;
  }

  h1 {
    font-size: 1.95rem;
  }

  .article h2 {
    font-size: 1.55rem;
  }

  .flow-step {
    grid-template-columns: 1.75rem minmax(0, 1fr);
    gap: 0.6rem;
  }

  .num {
    width: 1.75rem;
    height: 1.75rem;
  }
}

/* CPU architecture timeline */
.key-findings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.75rem 0;
}

.finding {
  padding: 1rem;
  border: 1px solid var(--color-line);
  background: #ffffff;
}

.finding .num {
  display: block;
  width: auto;
  height: auto;
  margin-bottom: 0.45rem;
  background: transparent;
  color: var(--color-link);
  font-family: var(--font-code);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.1;
}

.finding p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
}

.term-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 1.5rem 0;
  padding: 1px;
  background: var(--color-line);
}

.term-list div {
  padding: 1rem;
  background: #ffffff;
}

.term-list dt {
  margin-bottom: 0.35rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 700;
}

.term-list dd {
  margin: 0;
  color: var(--color-body);
  font-size: 0.95rem;
  line-height: 1.6;
}

.timeline {
  margin: 1.75rem 0;
  border-bottom: 1px solid var(--color-line);
}

.timeline .year {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--color-line);
}

.year-label {
  color: var(--color-link);
  font-family: var(--font-code);
  font-size: 1.05rem;
  font-weight: 700;
}

.lane {
  padding-left: 1rem;
  border-left: 1px solid var(--color-line);
}

.lane-label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--color-muted);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lane p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.6;
}

.data-table-wrap {
  max-width: 100%;
  margin: 1.5rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table-wrap table {
  min-width: 760px;
  margin: 0;
}

.hiring-study .data-table {
  font-variant-numeric: tabular-nums;
}

.hiring-study .data-table th:not(:first-child),
.hiring-study .data-table td:not(:first-child) {
  text-align: right;
}

.confidence {
  display: inline-block;
  padding: 0.15rem 0.35rem;
  border: 1px solid var(--color-line);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.35;
  text-transform: uppercase;
}

.confidence.confirmed {
  color: #4d7358;
}

.confidence.estimated {
  color: #7c5e24;
}

.confidence.unknown {
  color: var(--color-link);
}

.chart {
  margin: 1.5rem 0;
  padding: 1.1rem;
  border: 1px solid var(--color-line);
  background: #ffffff;
}

.chart-title {
  margin-bottom: 1rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
}

.bar-row + .bar-row {
  margin-top: 1rem;
}

.bar-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.94rem;
}

.bar-label span,
.bar-meta {
  font-family: var(--font-code);
}

.bar-track {
  height: 0.65rem;
  margin: 0.35rem 0;
  border: 1px solid var(--color-line);
  background: #f4f4f4;
}

.bar-fill {
  display: block;
  height: 100%;
  background: var(--color-link);
}

.bar-width-1000 { width: 100%; }
.bar-width-896 { width: 89.6%; }
.bar-width-889 { width: 88.9%; }
.bar-width-803 { width: 80.3%; }
.bar-width-757 { width: 75.7%; }
.bar-width-809 { width: 80.9%; }
.bar-width-772 { width: 77.2%; }
.bar-width-747 { width: 74.7%; }

.bar-meta,
.reading-note {
  color: var(--color-muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.aside {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-line);
  background: #f9f9f9;
}

.aside > strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-heading);
}

.citations {
  white-space: nowrap;
  font-size: 0.72em;
  line-height: 0;
}

@media (max-width: 760px) {
  .key-findings,
  .term-list {
    grid-template-columns: 1fr;
  }

  .timeline .year {
    grid-template-columns: 1fr;
  }

  .lane {
    padding-left: 0;
    border-left: 0;
  }
}

@media print {
  html,
  body {
    background: #ffffff;
    font-size: 12pt;
  }

  .site-header,
  .toc,
  .backtop,
  .page-footer,
  .search-overlay {
    display: none;
  }

  .page {
    display: block;
    width: 100%;
    padding: 0;
  }

  .hero,
  .article > section + section {
    border-color: #bbbbbb;
  }

  a {
    color: #111111;
  }
}