:root {
  color-scheme: light;
  --night: #061638;
  --night-deep: #020b20;
  --night-raised: #0d2856;
  --paper: #fffaf0;
  --paper-deep: #f3ead9;
  --paper-bright: #fffdf8;
  --ink: #11182a;
  --ink-soft: #354057;
  --gold: #ffc45a;
  --gold-dark: #765000;
  --line: #cfc3ad;
  --line-dark: rgb(230 239 250 / 30%);
  --serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-family: var(--sans);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.5;
}

img,
picture {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 0.085em;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.13em;
}

a:focus-visible,
button:focus-visible {
  border-radius: 0.15rem;
  outline: 3px solid var(--gold-dark);
  outline-offset: 0.25rem;
}

.site-header--overlay a:focus-visible,
.site-header--ink a:focus-visible,
.home-hero a:focus-visible,
.section--ink a:focus-visible,
.section--method a:focus-visible,
.essay-next a:focus-visible,
.index-method a:focus-visible,
.source-section a:focus-visible,
.site-footer--dark a:focus-visible {
  outline-color: var(--gold);
}

::selection {
  color: var(--night-deep);
  background: var(--gold);
}

.shell {
  width: min(100% - 3rem, 80rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--night-deep);
  background: var(--gold);
  font-size: 0.85rem;
  font-weight: 800;
  transform: translateY(-160%);
}

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

.site-header {
  position: relative;
  z-index: 10;
}

.site-header--overlay {
  position: absolute;
  inset: 0 0 auto;
  color: var(--paper);
}

.site-header--paper {
  color: var(--ink);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.site-header--ink {
  color: var(--paper);
  background: var(--night);
  border-bottom: 1px solid var(--line-dark);
}

.header-inner {
  display: flex;
  min-height: 5.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.wordmark {
  flex: none;
  color: inherit;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 1.1rem + 0.35vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  flex: none;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.25rem);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.site-nav a {
  padding-block: 0.4rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: var(--gold-dark);
  text-decoration-thickness: 0.16em;
  text-underline-offset: 0.45em;
}

.site-header--overlay .site-nav a:hover,
.site-header--overlay .site-nav a[aria-current="page"],
.site-header--ink .site-nav a:hover,
.site-header--ink .site-nav a[aria-current="page"] {
  text-decoration-color: var(--gold);
}

.eyebrow,
.rail-label,
.card-kicker {
  margin: 0 0 1rem;
  color: var(--gold-dark);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow--gold {
  color: var(--gold);
}

.home-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: clamp(42rem, 76svh, 54rem);
  overflow: hidden;
  align-items: center;
  color: var(--paper);
  background: var(--night);
}

.home-hero__media,
.home-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.home-hero__media {
  background: var(--night);
}

.home-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 78% 50%;
}

.home-hero__veil {
  z-index: -1;
  background:
    linear-gradient(90deg, rgb(2 11 32 / 58%) 0%, rgb(2 11 32 / 12%) 64%, rgb(2 11 32 / 26%) 100%),
    linear-gradient(180deg, rgb(2 11 32 / 43%) 0%, transparent 25%, transparent 73%, rgb(2 11 32 / 63%) 100%);
  box-shadow: inset 0 0 14rem rgb(0 5 23 / 32%);
}

.home-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 64%) 1fr;
  padding-top: clamp(8.75rem, 16vh, 11rem);
  padding-bottom: clamp(5rem, 10vh, 7.5rem);
}

.home-hero__copy {
  max-width: 54rem;
  text-align: center;
  text-wrap: balance;
}

.display-title {
  max-width: 11ch;
  margin: 0 auto;
  font-family: var(--serif);
  font-size: clamp(4rem, 2.2rem + 5vw, 7.25rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.88;
}

.display-title span,
.display-title em {
  display: block;
}

.display-title em,
.page-hero h1 em {
  color: var(--gold);
  font-weight: 500;
}

.home-hero__dek {
  max-width: 40rem;
  margin: clamp(1.8rem, 4vh, 2.7rem) auto 0;
  color: #e1e9f4;
  font-size: clamp(1.05rem, 0.93rem + 0.45vw, 1.32rem);
  line-height: 1.58;
}

.home-hero a,
.section--ink a,
.section--method a,
.essay-next a,
.index-method a,
.source-section a,
.site-footer--dark a {
  text-decoration-color: rgb(255 196 90 / 80%);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: clamp(2rem, 4.5vh, 3rem);
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: 0.82rem 1.15rem 0.78rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
}

.button--gold {
  border-color: var(--gold);
  color: var(--night-deep);
  background: var(--gold);
}

.button--ghost {
  border-color: rgb(255 255 255 / 42%);
  color: var(--paper);
  background: rgb(5 21 55 / 46%);
}

.coverage-line {
  margin: 1.35rem 0 0;
  color: #d5e0ee;
  font-size: 0.76rem;
  letter-spacing: 0.025em;
}

.section {
  padding-block: clamp(5rem, 10vw, 9rem);
}

.section--paper,
.framework-section,
.principle-index,
.principle-reading {
  color: var(--ink);
  background: var(--paper);
}

.section--ink {
  color: var(--paper);
  background: var(--night);
}

.section-heading {
  margin-bottom: clamp(3rem, 7vw, 5.5rem);
}

.section-heading--split {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  gap: clamp(2rem, 8vw, 7rem);
  align-items: end;
}

.section-heading h2,
.method-grid h2,
.essay-next h2,
.index-method h2,
.source-layout > header h2 {
  max-width: 15ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.5rem, 1.8rem + 2.2vw, 4.4rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.98;
  text-wrap: balance;
}

.section-heading > p,
.section-heading > div + p {
  max-width: 35rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.03rem;
  line-height: 1.72;
}

.section-heading--inverse > p,
.section-heading--inverse > div + p {
  color: #dce6f2;
}

.essential-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(2.5rem, 5vw, 4.5rem) clamp(1.5rem, 4vw, 3.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: essentials;
}

.essential-grid li {
  position: relative;
  padding-top: 1.35rem;
  border-top: 2px solid var(--ink);
}

.essential-grid li:last-child {
  grid-column: 2 / 3;
}

.essential-number {
  display: block;
  margin-bottom: clamp(1.8rem, 4vw, 3.5rem);
  color: var(--gold-dark);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.essential-grid h3 {
  max-width: 17ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 1.25rem + 0.6vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

.essential-grid p {
  margin: 1rem 0 0;
  color: var(--ink-soft);
  line-height: 1.68;
}

.text-link {
  display: inline-block;
  margin-top: 1rem;
  color: #143b78;
  font-size: 0.82rem;
  font-weight: 750;
}

.section-action {
  margin: clamp(3.5rem, 7vw, 6rem) 0 0;
  text-align: right;
}

.section-action--inverse {
  padding-top: 2rem;
  border-top: 1px solid var(--line-dark);
}

.arrow-link {
  font-size: 0.86rem;
  font-weight: 850;
  letter-spacing: 0.035em;
}

.arrow-link span {
  padding-left: 0.35rem;
}

.chapter-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(3.5rem, 7vw, 6rem) clamp(2rem, 7vw, 6rem);
}

.chapter-map__chapter {
  padding-top: 1.25rem;
  border-top: 2px solid var(--chapter-accent-on-dark, var(--gold));
}

.chapter-map__chapter > header {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1.25rem;
}

.chapter-number {
  color: var(--chapter-accent, var(--gold-dark));
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.chapter-map .chapter-number {
  color: var(--chapter-accent-on-dark, var(--gold));
}

.chapter-map h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 1.35rem + 0.7vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

.chapter-map header p {
  margin: 0.85rem 0 0;
  color: #dce6f2;
  line-height: 1.65;
}

.chapter-map ol {
  margin: 2rem 0 0 3.5rem;
  padding: 0;
  list-style: none;
}

.chapter-map li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  padding-block: 0.72rem;
  border-top: 1px solid rgb(226 237 249 / 19%);
  color: #f7f4ed;
  line-height: 1.42;
}

.chapter-map li > span:first-child {
  color: #b8c7dc;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.chapter-map__planned {
  color: #ced9e8;
}

.chapter-accent--daily-practice {
  --chapter-accent: #9a6200;
  --chapter-accent-on-dark: #ffc45a;
}

.chapter-accent--learning-the-pattern {
  --chapter-accent: #006f77;
  --chapter-accent-on-dark: #64dce0;
}

.chapter-accent--self-control-and-attachment {
  --chapter-accent: #a83f57;
  --chapter-accent-on-dark: #ff91a3;
}

.chapter-accent--mindset-and-action {
  --chapter-accent: #6447a8;
  --chapter-accent-on-dark: #b7a2ff;
}

.chapter-accent--long-term-practice-and-purpose {
  --chapter-accent: #23714c;
  --chapter-accent-on-dark: #77d5a6;
}

.chapter-accent--evidence-and-scope {
  --chapter-accent: #4b5d76;
  --chapter-accent-on-dark: #b9c9dd;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.feature-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-bright);
  box-shadow: 0 1rem 2.4rem rgb(62 45 17 / 7%);
}

.feature-card__picture {
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--night);
}

.feature-card__picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: clamp(1.35rem, 3vw, 2rem);
  border-top: 3px solid var(--chapter-accent, var(--gold-dark));
}

.card-kicker {
  color: var(--ink-soft);
  letter-spacing: 0.09em;
}

.card-kicker span {
  margin-right: 0.5rem;
  color: var(--chapter-accent, var(--gold-dark));
}

.feature-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 1.25rem + 0.55vw, 1.95rem);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

.feature-card h3 a {
  text-decoration-color: var(--chapter-accent, var(--gold-dark));
}

.feature-card__body > p:not(.card-kicker) {
  margin: 1rem 0 1.5rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

.card-cta {
  margin-top: auto;
  color: #153c77;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section--method {
  padding-block: clamp(4.5rem, 9vw, 8rem);
  color: var(--paper);
  background: var(--night-deep);
}

.method-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(17rem, 0.8fr) minmax(18rem, 0.8fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.coverage-stats {
  display: grid;
  gap: 1.25rem;
}

.coverage-stats p {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1rem;
  align-items: center;
  margin: 0;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-dark);
}

.coverage-stats strong {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 2.25rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}

.coverage-stats span {
  color: #dce6f2;
  font-size: 0.8rem;
}

.method-copy {
  color: #e5edf6;
  line-height: 1.72;
}

.method-copy p {
  margin: 0 0 1.2rem;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(5rem, 10vw, 9rem);
  color: var(--ink);
  background: var(--paper-deep);
  border-bottom: 1px solid var(--line);
}

.page-hero::after {
  position: absolute;
  right: -8rem;
  bottom: -13rem;
  width: min(48vw, 44rem);
  height: min(48vw, 44rem);
  border: 1px solid rgb(6 22 56 / 16%);
  border-radius: 50%;
  box-shadow:
    0 0 0 3rem rgb(6 22 56 / 3%),
    0 0 0 7rem rgb(6 22 56 / 2%);
  content: "";
  pointer-events: none;
}

.page-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(19rem, 0.85fr);
  gap: clamp(3rem, 9vw, 8rem);
  align-items: end;
}

.page-hero h1 {
  max-width: 13ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.25rem, 2rem + 4vw, 6.5rem);
  font-weight: 450;
  letter-spacing: -0.057em;
  line-height: 0.93;
  text-wrap: balance;
}

.page-hero h1 em {
  color: var(--gold-dark);
}

.page-hero__dek {
  max-width: 35rem;
  padding-bottom: 0.3rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 0.95rem + 0.3vw, 1.2rem);
  line-height: 1.72;
}

.page-hero__dek p {
  margin: 0 0 1.35rem;
}

.framework-section,
.principle-reading {
  padding-block: clamp(4rem, 9vw, 8rem);
}

.framework-layout,
.principle-reading__grid {
  display: grid;
  grid-template-columns: minmax(12rem, 15rem) minmax(0, 46rem);
  gap: clamp(3rem, 8vw, 7rem);
  justify-content: center;
  align-items: start;
}

.framework-rail,
.article-rail {
  position: sticky;
  top: 2rem;
  padding-top: 1rem;
  border-top: 2px solid var(--ink);
}

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

.framework-rail li {
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  gap: 0.6rem;
  padding-block: 0.72rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  line-height: 1.4;
}

.framework-rail li > span {
  color: var(--gold-dark);
  font-size: 0.67rem;
  font-weight: 850;
}

.rail-note {
  margin: 1.5rem 0 0;
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.55;
}

.prose {
  min-width: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.12rem, 1.06rem + 0.16vw, 1.22rem);
  line-height: 1.72;
}

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

.prose > p:first-child {
  font-size: clamp(1.35rem, 1.15rem + 0.5vw, 1.6rem);
  letter-spacing: -0.018em;
  line-height: 1.55;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote {
  margin-block: 0 1.45em;
}

.prose h2 {
  margin: 3.3em 0 0.9em;
  padding-top: 1.25em;
  border-top: 1px solid var(--line);
  font-family: var(--serif);
  font-size: clamp(2rem, 1.55rem + 1.2vw, 2.75rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.06;
  scroll-margin-top: 2rem;
  text-wrap: balance;
}

.prose h3 {
  margin: 2.5em 0 0.7em;
  font-size: 1.35em;
  line-height: 1.15;
}

.prose a {
  color: #123e7e;
  text-decoration-color: #6c83a7;
}

.prose strong {
  color: #101626;
  font-weight: 700;
}

.prose blockquote {
  padding: 0.2rem 0 0.2rem 1.5rem;
  border-left: 3px solid var(--gold-dark);
  color: var(--ink-soft);
}

.framework-chapter__art {
  overflow: hidden;
  aspect-ratio: 16 / 7;
  margin: -0.15rem 0 1.75em;
  border: 1px solid rgb(17 24 42 / 18%);
  border-bottom: 3px solid var(--chapter-accent, var(--gold-dark));
  background: var(--night);
  box-shadow: 0 1.25rem 3rem rgb(55 38 13 / 13%);
}

.framework-chapter__art img,
.principle-chapter__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}

.essay-next {
  padding-block: clamp(5rem, 9vw, 8rem);
  color: var(--paper);
  background: var(--night);
}

.essay-next__inner {
  display: grid;
  justify-items: start;
}

.essay-next h2 {
  max-width: 20ch;
  margin-bottom: 2.5rem;
}

.index-key {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 750;
}

.status-dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
}

.status-dot--live {
  background: #087356;
  box-shadow: 0 0 0 2px rgb(8 115 86 / 15%);
}

.status-dot--planned {
  border: 1px solid #596273;
  background: transparent;
}

.principle-index {
  padding-block: clamp(4rem, 8vw, 8rem);
}

.principle-chapter {
  display: grid;
  grid-template-columns: minmax(16rem, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(2.5rem, 8vw, 7rem);
  padding-block: clamp(3.5rem, 7vw, 6rem);
  border-top: 3px solid var(--chapter-accent, var(--gold-dark));
  scroll-margin-top: 1rem;
}

.principle-chapter:first-child {
  padding-top: 0;
  border-top: 0;
}

.principle-chapter__header {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 1rem;
  align-content: start;
}

.principle-chapter__intro {
  min-width: 0;
}

.principle-chapter__art {
  overflow: hidden;
  aspect-ratio: 3 / 2;
  margin-top: 1.75rem;
  border: 1px solid rgb(17 24 42 / 18%);
  border-bottom: 3px solid var(--chapter-accent, var(--gold-dark));
  background: var(--night);
  box-shadow: 0 0.85rem 2.2rem rgb(55 38 13 / 11%);
}

.principle-chapter__header h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 1.5rem + 1.2vw, 2.8rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.principle-chapter__header p {
  margin: 1rem 0 0;
  color: var(--ink-soft);
  line-height: 1.67;
}

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

.principle-list > li + li {
  margin-top: 0.8rem;
}

.principle-row {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) 7rem;
  gap: 1rem;
  align-items: start;
  min-width: 0;
  padding: clamp(1.2rem, 2.5vw, 1.75rem);
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--paper-bright);
}

.principle-row--published {
  border-left: 3px solid var(--chapter-accent, var(--gold-dark));
  box-shadow: 0 0.75rem 2rem rgb(62 45 17 / 6%);
  text-decoration: none;
}

.principle-row--published .principle-row__copy strong {
  text-decoration: underline;
  text-decoration-color: var(--chapter-accent, var(--gold-dark));
  text-decoration-thickness: 0.075em;
  text-underline-offset: 0.13em;
}

.principle-row--planned {
  background: transparent;
  border-style: dashed;
}

.principle-row__number {
  color: var(--chapter-accent, var(--gold-dark));
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.principle-row__copy {
  display: grid;
  gap: 0.55rem;
}

.principle-row__copy strong {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.05rem + 0.35vw, 1.5rem);
  letter-spacing: -0.018em;
  line-height: 1.13;
}

.principle-row__copy > span {
  color: var(--ink-soft);
  font-size: 0.89rem;
  line-height: 1.58;
}

.principle-row__status {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  color: var(--ink-soft);
  font-size: 0.65rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-align: right;
  text-transform: uppercase;
}

.index-method {
  padding-block: clamp(5rem, 9vw, 8rem);
  color: var(--paper);
  background: var(--night);
}

.index-method__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(19rem, 0.9fr);
  gap: clamp(3rem, 9vw, 8rem);
  align-items: end;
}

.index-method h2 {
  max-width: 16ch;
}

.index-method__grid > div:last-child {
  color: #dce6f2;
  line-height: 1.72;
}

.index-method__grid > div:last-child p {
  margin: 0 0 1.5rem;
}

.principle-hero {
  overflow: hidden;
  padding-block: clamp(2rem, 5vw, 4rem) clamp(4rem, 8vw, 7rem);
  color: var(--ink);
  background: var(--paper-deep);
  border-bottom: 1px solid var(--line);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  color: var(--ink-soft);
  font-size: 0.74rem;
  font-weight: 750;
}

.principle-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(22rem, 0.95fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: center;
}

.principle-hero__copy {
  max-width: 43rem;
}

.principle-hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 2rem + 3.2vw, 5.5rem);
  font-weight: 520;
  letter-spacing: -0.055em;
  line-height: 0.96;
  text-wrap: balance;
}

.principle-hero__dek {
  max-width: 38rem;
  margin: 1.6rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1rem + 0.25vw, 1.23rem);
  line-height: 1.65;
}

.principle-hero__art {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid rgb(17 24 42 / 18%);
  background: var(--night);
  box-shadow: 0 1.5rem 4rem rgb(55 38 13 / 17%);
}

.principle-hero__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-rail {
  color: var(--ink-soft);
  font-size: 0.8rem;
  line-height: 1.55;
}

.article-rail p {
  margin: 0 0 1rem;
}

.article-rail a {
  color: #153f80;
  font-weight: 750;
}

.source-section {
  padding-block: clamp(5rem, 9vw, 8rem);
  color: var(--paper);
  background: var(--night);
  scroll-margin-top: 1rem;
}

.source-layout {
  display: grid;
  grid-template-columns: minmax(17rem, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: start;
}

.source-layout > header {
  position: sticky;
  top: 2rem;
}

.source-layout > header > p:last-child {
  max-width: 30rem;
  color: #dce6f2;
  line-height: 1.7;
}

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

.source-list > li {
  counter-increment: source;
}

.source-list article {
  position: relative;
  padding: clamp(1.4rem, 3vw, 2.1rem);
  border: 1px solid var(--line-dark);
  background: var(--night-raised);
}

.source-list article::before {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: #aebfd5;
  content: counter(source, decimal-leading-zero);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.source-date {
  display: flex;
  gap: 0.5rem;
  margin: 0 3rem 0.8rem 0;
  color: #cbd8e8;
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.source-list h3 {
  max-width: 32ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 1.1rem + 0.5vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.14;
}

.source-list h3 a {
  text-decoration-color: var(--gold);
}

.source-list article > p:not(.source-date) {
  margin: 1rem 0 1.35rem;
  color: #e1e9f3;
  line-height: 1.65;
}

.source-note-link {
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.principle-pagination {
  color: var(--ink);
  background: var(--paper-deep);
  border-bottom: 1px solid var(--line);
}

.principle-pagination__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.principle-pagination__item {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
  padding: clamp(2rem, 5vw, 4rem) 0;
  text-decoration: none;
}

.principle-pagination__item + .principle-pagination__item {
  padding-left: clamp(2rem, 6vw, 5rem);
  border-left: 1px solid var(--line);
}

.principle-pagination__item--previous {
  padding-right: clamp(2rem, 6vw, 5rem);
}

.principle-pagination__item--next {
  text-align: right;
}

.principle-pagination__item--next:only-child {
  grid-column: 2;
  padding-left: clamp(2rem, 6vw, 5rem);
  border-left: 1px solid var(--line);
}

.principle-pagination__item > span {
  color: var(--ink-soft);
  font-size: 0.69rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.principle-pagination__item strong {
  display: flex;
  gap: 1rem;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.05rem + 0.4vw, 1.55rem);
  line-height: 1.2;
  text-decoration: underline;
  text-decoration-color: var(--gold-dark);
}

.principle-pagination__item--previous strong {
  justify-content: flex-start;
}

.principle-pagination__item--next strong {
  justify-content: flex-end;
}

.principle-pagination__item b {
  color: var(--gold-dark);
  font-family: var(--sans);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.site-footer {
  padding-block: 2.5rem;
}

.site-footer--dark {
  color: var(--paper);
  background: var(--night-deep);
  border-top: 1px solid var(--line-dark);
}

.site-footer--paper {
  color: var(--ink);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 12rem minmax(0, 42rem);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.footer-inner p {
  margin: 0;
  color: inherit;
  font-size: 0.76rem;
  line-height: 1.6;
  opacity: 0.88;
}

.library-hero {
  padding-block: clamp(5rem, 9vw, 8.5rem);
  color: var(--paper);
  background:
    radial-gradient(circle at 78% 34%, rgb(50 112 197 / 22%), transparent 30rem),
    linear-gradient(135deg, var(--night-deep), var(--night));
}

.library-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.55fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: end;
}

.library-hero h1 {
  max-width: 14ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.8rem, 7.5vw, 7.8rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.88;
}

.library-hero h1 span {
  color: var(--paper);
}

.library-hero h1 em {
  color: var(--gold);
  font-weight: 500;
}

.library-hero__dek {
  padding-bottom: 0.45rem;
  color: #edf4ff;
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
}

.library-hero__dek p {
  margin: 0;
}

.library-hero__dek .coverage-line {
  margin-top: 1.5rem;
  color: var(--gold);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.date-range {
  white-space: nowrap;
}

.library-section {
  padding-block: clamp(4.5rem, 8vw, 8rem);
}

.library-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.55fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
}

.library-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.library-heading > p {
  max-width: 36rem;
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 1.05rem;
}

.library-tools {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 3.5rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  background: var(--paper-deep);
  border-top: 4px solid var(--gold-dark);
}

.library-field {
  grid-column: span 2;
}

.library-field--search,
.library-field--principle {
  grid-column: span 4;
}

.library-field label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--ink);
  font-size: 0.67rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.library-field input,
.library-field select {
  width: 100%;
  min-height: 3rem;
  padding: 0.65rem 0.75rem;
  color: var(--ink);
  background: var(--paper-bright);
  border: 1px solid #9b8e77;
  border-radius: 0;
  font: 600 1rem/1.25 var(--sans);
}

.library-field input:focus-visible,
.library-field select:focus-visible,
.library-submit:focus-visible,
.library-reset:focus-visible {
  outline: 3px solid var(--gold-dark);
  outline-offset: 0.15rem;
}

.library-submit,
.library-reset {
  grid-column: span 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  align-self: end;
  padding: 0.65rem 0.9rem;
  border-radius: 0;
  font: 800 0.72rem/1.2 var(--sans);
  letter-spacing: 0.07em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}

.library-submit {
  color: var(--night-deep);
  background: var(--gold);
  border: 1px solid var(--gold-dark);
}

.library-reset {
  color: var(--paper);
  background: var(--night);
  border: 1px solid var(--night);
}

.library-submit:hover,
.library-reset:hover {
  color: var(--night-deep);
  background: var(--gold);
}

.library-submit:hover {
  background: #f3d68a;
}

.library-summary {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-bottom: 1rem;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  scroll-margin-top: 1.5rem;
}

.library-summary p {
  margin: 0;
}

.library-summary strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.library-results {
  margin: 0;
  padding: 0;
  list-style: none;
}

.library-card {
  display: grid;
  grid-template-columns: minmax(9rem, 0.25fr) minmax(0, 0.75fr);
  grid-template-areas:
    "meta title"
    "meta blurb"
    "meta footer";
  column-gap: clamp(2rem, 7vw, 7rem);
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 1.5rem;
}

.library-card--illustrated {
  grid-template-columns: minmax(8rem, 0.18fr) minmax(13rem, 17rem) minmax(0, 1fr);
  grid-template-areas:
    "meta art title"
    "meta art blurb"
    "meta art footer";
  column-gap: clamp(1.5rem, 3vw, 3.5rem);
}

.library-card > * {
  min-width: 0;
}

.library-card__meta {
  grid-area: meta;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.library-card__meta span {
  color: var(--gold-dark);
}

.library-card__art {
  grid-area: art;
  align-self: start;
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--paper-deep);
  border: 1px solid #b8aa92;
  box-shadow: 0 0.75rem 1.75rem rgb(6 22 56 / 10%);
}

.library-card__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.library-card h3 {
  grid-area: title;
  max-width: 30ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3vw, 2.65rem);
  font-weight: 550;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.library-card h3 a {
  text-decoration-color: transparent;
}

.library-card h3 a:hover {
  text-decoration-color: var(--gold-dark);
}

.library-card__blurb {
  grid-area: blurb;
  max-width: 50rem;
  margin: 1.25rem 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  line-height: 1.68;
}

.library-card__footer {
  grid-area: footer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: end;
  margin-top: 1.75rem;
}

.library-card__principles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.library-card__principles a {
  display: inline-flex;
  gap: 0.45rem;
  align-items: baseline;
  padding: 0.45rem 0.65rem;
  color: var(--ink);
  background: var(--paper-deep);
  border: 1px solid #b8aa92;
  font-size: 0.7rem;
  font-weight: 750;
  line-height: 1.25;
  text-decoration: none;
}

.library-card__principles a:hover {
  background: #eadcc3;
  border-color: var(--gold-dark);
}

.library-card__principles span {
  color: var(--gold-dark);
  font-weight: 900;
}

.library-card__detail {
  color: var(--gold-dark);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

@media (max-width: 1040px) {
  .library-card--illustrated {
    grid-template-columns: minmax(8rem, 0.25fr) minmax(0, 0.75fr);
    grid-template-areas:
      "meta art"
      "meta title"
      "meta blurb"
      "meta footer";
    column-gap: clamp(2rem, 7vw, 7rem);
  }

  .library-card__art {
    max-width: 32rem;
    margin-bottom: 0.5rem;
  }
}

.library-empty {
  margin: 3rem 0 0;
  padding: 2rem;
  color: var(--paper);
  background: var(--night);
  font-family: var(--serif);
  font-size: 1.15rem;
}

.library-empty a {
  color: var(--gold);
}

.library-pagination {
  display: grid;
  grid-template-columns: minmax(7rem, 1fr) auto minmax(7rem, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 1.5rem;
  border-top: 4px solid var(--gold-dark);
}

.library-pagination ol {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.library-pagination ol a,
.library-pagination ol span {
  display: inline-flex;
  width: 2.6rem;
  min-height: 2.6rem;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  border: 1px solid #9b8e77;
  font-size: 0.78rem;
  font-weight: 850;
  text-decoration: none;
}

.library-pagination ol a:hover {
  background: #eadcc3;
  border-color: var(--gold-dark);
}

.library-pagination ol span[aria-current="page"] {
  color: var(--paper);
  background: var(--night);
  border-color: var(--night);
}

.library-pagination__direction {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--gold-dark);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.library-pagination__direction:last-child {
  justify-self: end;
}

.library-pagination__direction[aria-disabled="true"] {
  color: var(--ink-soft);
  opacity: 0.5;
}

/* Source notes enlarge the library card's visual grammar without turning the
   original artwork into a text background or imitating a video player. */
.video-hero {
  overflow: hidden;
  padding-block: clamp(2rem, 5vw, 4rem) clamp(4.5rem, 8vw, 7.5rem);
  color: var(--ink);
  background:
    radial-gradient(circle at 48% 42%, rgb(255 255 255 / 58%), transparent 32rem),
    var(--paper-deep);
  border-bottom: 1px solid var(--line);
}

.video-hero__grid {
  display: grid;
  grid-template-columns: minmax(7.5rem, 0.2fr) minmax(22rem, 0.9fr) minmax(0, 1.1fr);
  grid-template-areas: "meta art copy";
  gap: clamp(2rem, 4.5vw, 4.5rem);
  align-items: start;
}

.video-hero__grid > * {
  min-width: 0;
}

.video-meta {
  grid-area: meta;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  padding-top: 0.15rem;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.video-meta span {
  color: var(--gold-dark);
}

.video-art {
  grid-area: art;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--night);
  border: 1px solid #a99b84;
  box-shadow: 0 1.5rem 4rem rgb(55 38 13 / 17%);
}

.video-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-copy {
  grid-area: copy;
  max-width: 43rem;
}

.video-copy > .eyebrow {
  margin: 0 0 1rem;
  color: var(--gold-dark);
}

.video-copy h1 {
  max-width: 18ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.55rem, 2rem + 2.2vw, 4.4rem);
  font-weight: 520;
  letter-spacing: -0.05em;
  line-height: 0.99;
  overflow-wrap: break-word;
  text-wrap: balance;
}

.video-copy__blurb {
  max-width: 42rem;
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.08rem, 0.98rem + 0.35vw, 1.3rem);
  line-height: 1.68;
}

.video-principles {
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
}

.video-principles h2 {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.video-principles__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.video-principles__links a {
  display: inline-flex;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.55rem 0.7rem;
  color: var(--ink);
  background: var(--paper-bright);
  border: 1px solid #aa9c84;
  font-size: 0.72rem;
  font-weight: 750;
  line-height: 1.3;
  text-decoration: none;
}

.video-principles__links a:hover {
  background: #eadcc3;
  border-color: var(--gold-dark);
}

.video-principles__links span {
  color: var(--gold-dark);
  font-weight: 900;
}

.video-watch {
  gap: 0.6rem;
  margin-top: clamp(2rem, 4vw, 2.75rem);
  color: var(--paper);
  background: var(--night);
  border-color: var(--night);
}

.video-watch:hover {
  color: var(--night-deep);
  background: var(--gold);
  border-color: var(--gold-dark);
}

.video-attribution {
  max-width: 39rem;
  margin: 1.35rem 0 0;
  color: var(--ink-soft);
  font-size: 0.76rem;
  line-height: 1.65;
}

.video-detail {
  padding-block: clamp(4.5rem, 9vw, 8rem);
  color: var(--ink);
  background: var(--paper-bright);
  border-top: 4px solid var(--gold-dark);
  border-bottom: 1px solid var(--line);
}

.video-detail__grid {
  display: grid;
  grid-template-columns: minmax(10rem, 0.32fr) minmax(0, 0.68fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.video-detail__intro {
  max-width: 14rem;
  color: var(--ink-soft);
  font-size: 0.79rem;
  line-height: 1.65;
}

.video-detail__intro .eyebrow {
  margin: 0 0 1rem;
  color: var(--gold-dark);
}

.video-detail__intro p:last-child {
  margin: 0;
}

.video-detail__prose {
  width: min(100%, 45rem);
}

.video-detail__prose > h2:first-child {
  max-width: 20ch;
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.video-detail__prose > h2:first-child + p {
  font-size: clamp(1.28rem, 1.13rem + 0.4vw, 1.52rem);
  letter-spacing: -0.015em;
  line-height: 1.58;
}

.video-pagination {
  color: var(--ink);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.video-pagination__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  grid-template-areas: "newer back older";
  align-items: stretch;
}

.video-pagination__back {
  grid-area: back;
  display: inline-flex;
  min-height: 100%;
  align-items: center;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3rem);
  color: var(--gold-dark);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.075em;
  text-align: center;
  text-transform: uppercase;
}

.video-pagination__item {
  display: grid;
  align-content: center;
  gap: 0.55rem;
  min-width: 0;
  padding-block: clamp(2rem, 5vw, 4rem);
  text-decoration: none;
}

.video-pagination__item--newer {
  grid-area: newer;
  padding-right: clamp(1.5rem, 4vw, 3rem);
}

.video-pagination__item--older {
  grid-area: older;
  padding-left: clamp(1.5rem, 4vw, 3rem);
  text-align: right;
}

.video-pagination__item > span,
.video-pagination__item time {
  color: var(--ink-soft);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.video-pagination__item strong {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1rem + 0.35vw, 1.45rem);
  font-weight: 650;
  line-height: 1.18;
  text-decoration: underline;
  text-decoration-color: var(--gold-dark);
  text-decoration-thickness: 0.075em;
  text-underline-offset: 0.14em;
}

@media (max-width: 1040px) {
  .video-hero__grid {
    grid-template-columns: minmax(7.5rem, 0.22fr) minmax(0, 0.78fr);
    grid-template-areas:
      "meta art"
      "meta copy";
    column-gap: clamp(2rem, 7vw, 6rem);
  }

  .video-art {
    width: min(100%, 42rem);
    margin-bottom: 0.75rem;
  }

  .essential-grid,
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .essential-grid li:last-child {
    grid-column: auto;
  }

  .feature-card:last-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 1.2fr);
  }

  .feature-card:last-child .feature-card__picture {
    height: 100%;
  }

  .feature-card:last-child .feature-card__body {
    border-top: 0;
    border-left: 3px solid var(--chapter-accent, var(--gold-dark));
  }

  .method-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .method-copy {
    grid-column: 1 / -1;
    max-width: 45rem;
  }

  .principle-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.8fr);
    gap: 3rem;
  }

  .library-tools {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .library-field {
    grid-column: span 2;
  }

  .library-field--search,
  .library-field--principle {
    grid-column: span 3;
  }

  .library-submit,
  .library-reset {
    grid-column: span 2;
  }
}

@media (max-width: 820px) {
  .shell {
    width: min(100% - 2.25rem, 80rem);
  }

  .home-hero__media img {
    object-position: 70% 50%;
  }

  .video-hero__grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "meta"
      "art"
      "copy";
    gap: 1.5rem;
  }

  .video-meta {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.55rem 1rem;
  }

  .video-art,
  .video-copy {
    width: min(100%, 42rem);
  }

  .video-copy {
    margin-top: 0.5rem;
  }

  .video-pagination__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "back back"
      "newer older";
  }

  .video-pagination__back {
    min-height: auto;
    padding-block: 1.5rem;
    border-bottom: 1px solid var(--line);
  }

  .video-detail__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .video-detail__intro {
    max-width: 34rem;
  }

  .home-hero__veil {
    background:
      linear-gradient(180deg, rgb(2 11 32 / 54%) 0%, rgb(2 11 32 / 20%) 22%, rgb(2 11 32 / 27%) 70%, rgb(2 11 32 / 76%) 100%),
      linear-gradient(90deg, rgb(2 11 32 / 36%), transparent 50%, rgb(2 11 32 / 36%));
  }

  .home-hero__inner {
    grid-template-columns: 1fr;
  }

  .home-hero__copy {
    max-width: 40rem;
    margin-inline: auto;
  }

  .section-heading--split,
  .page-hero__grid,
  .index-method__grid,
  .source-layout,
  .principle-chapter,
  .library-hero__grid,
  .library-heading {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .library-hero__dek,
  .library-heading > p {
    max-width: 42rem;
  }

  .chapter-map {
    grid-template-columns: 1fr;
  }

  .framework-layout,
  .principle-reading__grid {
    grid-template-columns: 1fr;
  }

  .framework-chapter__art {
    aspect-ratio: 3 / 2;
  }

  .framework-rail,
  .article-rail,
  .source-layout > header {
    position: static;
  }

  .framework-rail ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.25rem;
  }

  .principle-chapter__header {
    max-width: 38rem;
  }

  .principle-chapter__intro {
    width: min(100%, 42rem);
  }

  .source-layout > header {
    max-width: 36rem;
  }

  .principle-hero__grid {
    grid-template-columns: 1fr;
  }

  .principle-hero__art {
    width: min(100%, 42rem);
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(100% - 2rem, 80rem);
  }

  .header-inner {
    min-height: 4.5rem;
    gap: 1rem;
  }

  .site-nav {
    gap: 0.85rem;
    font-size: 0.67rem;
    letter-spacing: 0.055em;
  }

  .video-hero {
    padding-block: 1.5rem 4.5rem;
  }

  .video-detail {
    padding-block: 4rem;
  }

  .video-copy h1 {
    font-size: clamp(2.55rem, 12vw, 3.9rem);
  }

  .video-watch {
    width: 100%;
    min-height: 3.25rem;
  }

  .video-pagination__inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "back"
      "newer"
      "older";
  }

  .video-pagination__item {
    padding: 2rem 0;
  }

  .video-pagination__item--newer {
    padding-right: 0;
  }

  .video-pagination__item--older {
    padding-left: 0;
    border-top: 1px solid var(--line);
    text-align: left;
  }

  .library-tools {
    grid-template-columns: 1fr;
  }

  .library-field,
  .library-field--search,
  .library-field--principle,
  .library-submit,
  .library-reset {
    grid-column: 1;
  }

  .library-summary {
    display: grid;
    gap: 0.5rem;
  }

  .library-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "meta"
      "title"
      "blurb"
      "footer";
    gap: 1.25rem;
  }

  .library-card--illustrated {
    grid-template-columns: 1fr;
    grid-template-areas:
      "meta"
      "art"
      "title"
      "blurb"
      "footer";
  }

  .library-card__meta {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.55rem 1rem;
  }

  .library-card__footer {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .library-card__detail {
    justify-self: start;
  }

  .library-pagination {
    grid-template-columns: 1fr 1fr;
  }

  .library-pagination ol {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .home-hero {
    min-height: 43rem;
  }

  .home-hero__inner {
    padding-top: 8.5rem;
    padding-bottom: 4.5rem;
  }

  .display-title {
    max-width: 9ch;
    font-size: clamp(3.2rem, 16vw, 4.6rem);
    line-height: 0.91;
  }

  .library-hero h1 {
    font-size: 2.8rem;
  }

  .home-hero__dek {
    font-size: 1rem;
  }

  .button-row {
    display: grid;
    width: min(100%, 20rem);
    margin-inline: auto;
  }

  .section {
    padding-block: 4.5rem;
  }

  .essential-grid,
  .feature-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .feature-card:last-child {
    grid-column: auto;
    display: flex;
  }

  .feature-card:last-child .feature-card__picture {
    height: auto;
  }

  .feature-card:last-child .feature-card__body {
    border-top: 3px solid var(--chapter-accent, var(--gold-dark));
    border-left: 0;
  }

  .method-copy {
    grid-column: auto;
  }

  .chapter-map__chapter > header {
    grid-template-columns: 1.8rem 1fr;
    gap: 0.8rem;
  }

  .chapter-map ol {
    margin-left: 2.6rem;
  }

  .page-hero {
    padding-block: 4.5rem;
  }

  .page-hero h1 {
    font-size: clamp(3rem, 14vw, 4.2rem);
  }

  .framework-rail ol {
    grid-template-columns: 1fr;
  }

  .principle-row {
    grid-template-columns: 2rem minmax(0, 1fr);
  }

  .principle-row__status {
    grid-column: 2;
    justify-content: flex-start;
    text-align: left;
  }

  .principle-hero {
    padding-top: 1.5rem;
  }

  .principle-hero h1 {
    font-size: clamp(2.8rem, 13vw, 4.2rem);
  }

  .principle-pagination__inner {
    grid-template-columns: 1fr;
  }

  .principle-pagination__item + .principle-pagination__item {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .principle-pagination__item--previous {
    padding-right: 0;
  }

  .principle-pagination__item--next {
    text-align: left;
  }

  .principle-pagination__item--next:only-child {
    grid-column: 1;
    padding-left: 0;
    border-left: 0;
  }

  .principle-pagination__item--next strong {
    flex-direction: row-reverse;
    justify-content: flex-end;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .shell {
    width: min(100% - 1.5rem, 80rem);
  }

  .wordmark {
    font-size: 1.1rem;
  }

  .header-inner {
    min-height: 5.75rem;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.6rem;
  }

  .site-nav {
    gap: 1rem;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
  }

  .home-hero__inner {
    padding-top: 7.5rem;
  }

  .display-title {
    font-size: 2.7rem;
  }

  .home-hero__dek {
    font-size: 0.9rem;
  }

  .chapter-map ol {
    margin-left: 0;
  }

  .principle-chapter__header {
    grid-template-columns: 1.5rem 1fr;
  }

  .principle-row {
    padding-inline: 0.9rem;
  }

  .source-list article::before {
    top: 1rem;
    right: 1rem;
  }
}

@media (max-width: 340px) {
  .site-nav {
    gap: 0.65rem;
    font-size: 0.64rem;
    letter-spacing: 0.04em;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .status-dot--live,
  .button,
  .principle-row--published,
  .feature-card__body,
  .chapter-map__chapter,
  .principle-chapter {
    forced-color-adjust: auto;
  }
}

/* Aphorisms page */
.aphorism-section {
  padding-block: 3.5rem 4.5rem;
}

.aphorism-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 46rem;
  display: grid;
  gap: 2.75rem;
}

.aphorism__phrase {
  margin: 0;
}

.aphorism__phrase p {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.6rem;
  line-height: 1.25;
  color: var(--ink);
}

.aphorism__gloss {
  margin: 0.6rem 0 0;
  max-width: 42rem;
  color: var(--ink-soft);
}

.aphorism__meta {
  margin: 0.55rem 0 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.aphorism__count {
  font-weight: 600;
  color: var(--gold-dark);
}

.aphorism__unreviewed {
  font-style: italic;
}

.aphorism__variants {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.aphorism-note {
  margin: 3rem 0 0;
  max-width: 42rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* Section hero bands */
.page-hero--art {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: var(--paper);
  background: linear-gradient(135deg, var(--night-deep), var(--night));
  border-bottom: 1px solid var(--line-dark);
}

.page-hero--art .page-hero__media,
.page-hero--art .page-hero__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-hero--art .page-hero__media {
  z-index: -2;
}

.page-hero--art .page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero--art .page-hero__veil {
  z-index: -1;
  background:
    linear-gradient(180deg, rgb(2 11 32 / 74%), rgb(2 11 32 / 42%) 46%, rgb(2 11 32 / 78%));
}

.page-hero--art > .shell {
  position: relative;
  z-index: 1;
}

.page-hero--art h1,
.page-hero--art h1 em {
  color: var(--paper-bright);
}

.page-hero--art .eyebrow {
  color: var(--gold);
}

.page-hero--art .page-hero__dek,
.page-hero--art .library-hero__dek {
  color: rgb(255 250 240 / 82%);
}

.page-hero--art .page-hero__dek a,
.page-hero--art .library-hero__dek a,
.page-hero--art .arrow-link {
  color: var(--gold);
}

.page-hero--art .coverage-line {
  color: rgb(255 250 240 / 64%);
}

/* Site stats */
.footer-stats {
  grid-column: 1;
  justify-self: start;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-dark);
  padding-bottom: 0.1rem;
}

.footer-stats:hover {
  color: var(--gold-dark);
}

.site-footer--dark .footer-stats {
  color: var(--paper-bright);
  border-bottom-color: var(--gold);
}

.site-footer--dark .footer-stats:hover {
  color: var(--gold);
}

.stats-section {
  padding-block: 3rem 1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem 2.5rem;
  max-width: 52rem;
}

@media (max-width: 700px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.stats-cell strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.15;
}

.stats-cell strong a {
  color: var(--gold-dark);
  text-decoration: none;
}

.stats-cell strong a:hover {
  text-decoration: underline;
}

.stats-cell span {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.stats-note {
  margin: 2rem 0 0;
  max-width: 42rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.stats-log {
  padding-block: 2.5rem 4.5rem;
}

.stats-log__heading {
  max-width: 52rem;
  margin-bottom: 1.75rem;
}

.stats-log__heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 1.4rem + 2vw, 3.25rem);
  font-weight: 450;
  color: var(--ink);
}

.stats-log__note {
  margin: 0.6rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.stats-log__list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 52rem;
}

.stats-log__list li {
  border-bottom: 1px solid var(--line);
}

.stats-log__list li > a {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: baseline;
  padding: 0.6rem 0.75rem;
  margin: 0 -0.75rem;
  border-radius: 4px;
  text-decoration: none;
}

.stats-log__list li > a:hover,
.stats-log__list li > a:focus-visible {
  background: rgb(255 196 90 / 16%);
}

.stats-log__list time {
  font-size: 0.8rem;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.stats-log__subject {
  color: var(--ink);
  font-size: 0.95rem;
}

.stats-log__list li > a:hover .stats-log__subject {
  color: var(--gold-dark);
}

.stats-log__list code {
  font-size: 0.78rem;
  color: var(--gold-dark);
}

.stats-log__pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 52rem;
  margin-top: 1.5rem;
  font-size: 0.85rem;
}

.stats-log__pagination a {
  color: var(--gold-dark);
  font-weight: 700;
}

.stats-technical {
  max-width: 52rem;
  margin: 2.25rem 0 0;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.stats-technical a {
  color: var(--gold-dark);
}

.stats-commit-hero .stats-commit-hero__title {
  max-width: 24ch;
  font-size: clamp(1.9rem, 1.3rem + 2.2vw, 3.4rem);
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.stats-commit__meta {
  margin: 0 0 0.5rem;
  font-size: 0.82rem;
  color: rgb(255 250 240 / 78%);
}

.stats-commit__meta code {
  color: var(--gold);
  font-size: 0.78rem;
  overflow-wrap: break-word;
  word-break: break-all;
  letter-spacing: 0.02em;
}

.stats-commit {
  padding-block: 3rem 4.5rem;
}

.stats-commit__message {
  max-width: 46rem;
  padding: 1.4rem 1.6rem;
  background: var(--paper-bright);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink);
  white-space: pre-wrap;
  overflow-wrap: break-word;
}