/*
 * Esotech Field Notes
 * A technical periodical built from the parent-site blueprint language.
 * Dark drafting surfaces introduce and sequence the archive; pale ruled paper
 * handles finding and reading 100+ long-form entries.
 */

.blog-blueprint {
  --blog-paper: oklch(94% 0.015 232);
  --blog-paper-deep: oklch(89% 0.021 235);
  --blog-paper-ink: oklch(18% 0.03 254);
  --blog-paper-soft: oklch(42% 0.035 248);
  --blog-paper-rule: oklch(75.908% 0.0404 238.83 / 0.25);
  --blog-paper-signal: oklch(51% 0.17 242);
  --blog-grid: color-mix(in oklch, var(--brand-blue) 11%, transparent);
  background: var(--surface-deep);
}

.blog-blueprint main {
  display: block;
}

.blog-blueprint :where(h1, h2, h3, p, figure) {
  margin-top: 0;
}

.blog-blueprint :where(h1, h2, h3) {
  text-wrap: balance;
}

.blog-blueprint :where(p, li) {
  text-wrap: pretty;
}

.blog-blueprint .text-action {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  width: fit-content;
  color: var(--ink-strong);
  text-decoration: none;
}

.blog-blueprint .text-action span {
  color: var(--brand-blue-bright);
  transition: transform 180ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .blog-blueprint .text-action:hover span {
    transform: translate(0.16rem, -0.16rem);
  }
}

/* Dark field headers ----------------------------------------------------- */

.blog-hero,
.post-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
  background:
    linear-gradient(var(--blog-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--blog-grid) 1px, transparent 1px),
    var(--surface-deep);
  background-size: clamp(3.25rem, 5vw, 5rem) clamp(3.25rem, 5vw, 5rem);
}

.blog-hero::before,
.post-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(90deg, var(--surface-deep) 0 44%, color-mix(in oklch, var(--surface-deep) 76%, transparent) 62%, transparent 100%);
  pointer-events: none;
}

.blog-hero__meta,
.post-hero__meta,
.blog-hero__scale,
.post-hero__scale {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 3rem;
  padding-inline: max(1.5rem, env(safe-area-inset-left), calc((100vw - 90rem) / 2));
  color: var(--brand-blue-bright);
  font-family: var(--font-data);
  font-size: 0.67rem;
  letter-spacing: 0.17em;
  line-height: 1.35;
  text-transform: uppercase;
}

.blog-hero__meta,
.post-hero__meta {
  margin-top: 5rem;
  border-bottom: 1px solid var(--rule-soft);
}

.blog-hero__scale,
.post-hero__scale {
  min-height: 3.5rem;
  border-top: 1px solid var(--rule-soft);
  color: var(--ink-muted);
}

.blog-hero__scale span:nth-child(2),
.post-hero__scale span:nth-child(2) {
  color: var(--brand-blue-bright);
}

/* Archive hero ---------------------------------------------------------- */

.blog-hero {
  min-height: 46rem;
}

.blog-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(21rem, 5fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
  min-height: clamp(38rem, calc(100svh - 8.5rem), 52rem);
  padding-block: clamp(4rem, 8vw, 7.5rem);
}

.blog-hero__copy {
  position: relative;
  z-index: 1;
  min-width: 0;
  max-width: 100%;
}

.blog-kicker,
.post-kicker {
  margin-bottom: var(--space-5);
  color: var(--brand-blue-bright);
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1.5;
  text-transform: uppercase;
}

.blog-hero h1 {
  max-width: 9.3ch;
  margin-bottom: var(--space-6);
  color: var(--ink-strong);
  font-family: var(--font-heading);
  font-size: clamp(4rem, 8.2vw, 8rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.81;
}

.blog-hero h1 span {
  display: block;
}

.blog-hero h1 em {
  color: var(--brand-blue-bright);
  font-style: normal;
}

.blog-hero__copy > p:not(.blog-kicker) {
  max-width: 47ch;
  margin-bottom: var(--space-6);
  color: var(--ink-soft);
  font-size: clamp(1.04rem, 1.35vw, 1.22rem);
  line-height: 1.62;
}

.blog-hero__route {
  padding-bottom: 0.42rem;
  border-bottom: 1px solid var(--rule);
}

.blog-hero__plate {
  position: relative;
  display: grid;
  align-content: end;
  aspect-ratio: 4 / 5;
  min-height: 32rem;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--surface-raised);
  color: var(--ink-strong);
  text-decoration: none;
  animation: blog-plate-resolve 720ms var(--ease-out) 120ms both;
}

.blog-hero__plate::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid color-mix(in oklch, var(--ink-strong) 8%, transparent);
  background: linear-gradient(
    180deg,
    transparent 38%,
    var(--surface-deep) 62%,
    var(--surface-deep) 100%
  );
  pointer-events: none;
}

.blog-hero__plate img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 100% center;
  transition: transform 560ms var(--ease-out), filter 560ms var(--ease-out);
}

.blog-hero__plate > span,
.blog-hero__plate > strong {
  position: relative;
  z-index: 1;
  margin-inline: clamp(1.25rem, 3vw, 2rem);
}

.blog-hero__plate > span {
  margin-bottom: 0.7rem;
  color: var(--brand-blue-bright);
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.blog-hero__plate > strong {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.6vw, 2.55rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.02;
}

@media (hover: hover) and (pointer: fine) {
  .blog-hero__plate:hover img {
    transform: scale(1.025);
    filter: brightness(1.09);
  }
}

@keyframes blog-plate-resolve {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Latest notes: a feature ledger, not a card grid ----------------------- */

.blog-latest {
  position: relative;
  padding-block: clamp(5rem, 9vw, 9rem);
  border-bottom: 1px solid var(--rule);
  background: var(--surface-raised);
}

.blog-latest::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, transparent calc(50% - 1px), var(--rule-soft) 50%, transparent calc(50% + 1px));
  opacity: 0.38;
  pointer-events: none;
}

.blog-latest > .shell {
  position: relative;
}

.blog-section-head {
  display: grid;
  grid-template-columns: minmax(9rem, 2fr) minmax(0, 7fr) minmax(14rem, 3fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--rule);
}

.blog-section-head > p,
.directory-head > p,
.related-notes header p {
  margin-bottom: 0;
  color: var(--brand-blue-bright);
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.blog-section-head h2,
.directory-head h2,
.related-notes h2 {
  margin-bottom: 0;
  font-family: var(--font-heading);
  font-size: clamp(2.35rem, 5vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.9;
}

.blog-section-head > span {
  color: var(--ink-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.blog-latest__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(21rem, 5fr);
  gap: clamp(2rem, 5vw, 5rem);
}

.latest-note {
  min-width: 0;
}

.latest-note__image {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--surface-deep);
}

.latest-note__image::after {
  content: "OPEN / FIELD NOTE";
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 0.48rem 0.65rem;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  background: color-mix(in oklch, var(--surface-deep) 92%, transparent);
  color: var(--ink-soft);
  font-family: var(--font-data);
  font-size: 0.55rem;
  letter-spacing: 0.13em;
}

.latest-note__image img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 460ms var(--ease-out), filter 460ms var(--ease-out);
}

.latest-note__copy {
  padding-top: var(--space-5);
}

.latest-note__copy > p:first-child,
.archive-row__copy > p:first-child {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  margin-bottom: var(--space-3);
  color: var(--ink-muted);
  font-family: var(--font-data);
  font-size: 0.63rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.latest-note__copy > p:first-child span,
.archive-row__copy > p:first-child span {
  color: var(--brand-blue-bright);
}

.latest-note__copy h3 {
  margin-bottom: var(--space-4);
  font-family: var(--font-heading);
  font-size: clamp(1.65rem, 2.8vw, 3.15rem);
  font-weight: 500;
  letter-spacing: -0.032em;
  line-height: 0.98;
}

.latest-note__copy h3 a {
  text-decoration: none;
}

.latest-note__copy > p:not(:first-child) {
  max-width: 60ch;
  margin-bottom: var(--space-5);
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.65;
}

.latest-note--lead .latest-note__copy h3 {
  max-width: 18ch;
}

.blog-latest__secondary {
  display: grid;
  border-top: 1px solid var(--rule);
}

.blog-latest__secondary .latest-note {
  display: grid;
  grid-template-columns: minmax(7rem, 0.85fr) minmax(0, 1.15fr);
  gap: var(--space-5);
  align-items: start;
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--rule);
}

.blog-latest__secondary .latest-note__copy {
  padding-top: 0;
}

.blog-latest__secondary .latest-note__copy > p:first-child {
  display: grid;
  justify-content: start;
}

.blog-latest__secondary .latest-note__copy h3 {
  margin-bottom: var(--space-3);
  font-size: clamp(1.35rem, 2.1vw, 2rem);
}

.blog-latest__secondary .latest-note__copy > p:not(:first-child) {
  display: -webkit-box;
  margin-bottom: var(--space-4);
  overflow: hidden;
  font-size: 0.86rem;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.blog-latest__secondary .latest-note__copy .text-action {
  font-size: 0.78rem;
}

@media (hover: hover) and (pointer: fine) {
  .latest-note__image:hover img {
    transform: scale(1.02);
    filter: brightness(1.08);
  }

  .latest-note__copy h3 a:hover {
    color: var(--brand-blue-bright);
  }
}

/* Complete archive ------------------------------------------------------ */
.blog-blueprint .shell {
  padding: 70px 50px;
  position: relative;
  z-index: 2;
}
.blog-directory {
  color-scheme: light;
  padding: 0;
  background:
    linear-gradient(var(--blog-paper-rule) 1px, transparent 1px),
    var(--blog-paper);
  background-size: 100% 2.15rem;
  color: var(--blog-paper-ink);
  position: relative;
}

.blog-directory::before {
  content: ' ';
  border-right: 1px solid #ff5757;
  padding-right: 40px;
  position: absolute;
  width: 60px;
  height: 100%;
  z-index: 2;
}

.blog-directory::after {
  content: ' ';
  background-color: #E2EDF3;
  height: 130px;
  width: 100%;
  position: absolute;
  top: 0;
  z-index: 1;
}
.directory-head {
  padding-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.directory-head > p {
  margin-bottom: var(--space-4);
  color: var(--blog-paper-signal);
}

.directory-head h2 {
  color: var(--blog-paper-ink);
}

.directory-controls {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  margin-bottom: clamp(2.5rem, 5vw, 2rem);
}

.directory-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(0.65rem, 1.5vw, 0.9rem);
  width: 100%;
  padding: 0.9rem clamp(1.1rem, 2.5vw, 1.5rem);
  background: #ffffff60;
  cursor: text;
}

.directory-search > span {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.directory-search__icon {
  flex: none;
  width: 1.2rem;
  height: 1.2rem;
  color: var(--blog-paper-ink);
}

.directory-search__icon circle,
.directory-search__icon line {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.directory-search input {
  flex: 1;
  min-width: 0;
  padding: 0.1rem 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--blog-paper-ink);
  font-family: var(--font-body);
  font-size: clamp(0.94rem, 1.1vw, 1.02rem);
  outline: 0;
}

.directory-search input::placeholder {
  color: color-mix(in oklch, var(--blog-paper-soft) 72%, transparent);
  opacity: 1;
}

.directory-search:focus-within {
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--blog-paper-signal) 16%, transparent);
}

.directory-search kbd {
  flex: none;
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--blog-paper-rule);
  border-radius: 0.3rem;
  color: var(--blog-paper-soft);
  font-family: var(--font-data);
  font-size: 0.62rem;
}

.directory-meta-row {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.directory-filters {
  background: #ffffff60;
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.directory-filters__label {
  margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--blog-paper-signal);
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.directory-filters__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  row-gap: clamp(1.5rem, 3vw, 2rem);
}

.directory-filters__grid button {
  display: grid;
  justify-items: start;
  gap: 0.6rem;
  padding: 0 clamp(1rem, 2vw, 1.5rem);
  border: 0;
  border-left: 1px solid var(--blog-paper-rule);
  border-radius: 0;
  background: transparent;
  color: var(--blog-paper-ink);
  text-align: left;
  cursor: pointer;
}

.directory-filters__grid button:first-child {
  padding-left: 0;
  border-left: 0;
}

.directory-filters__grid button:last-child {
  padding-right: 0;
}

.directory-filters__icon {
  width: 1.7rem;
  height: 1.7rem;
  color: var(--blog-paper-ink);
}

.directory-filters__icon * {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.directory-filters__grid button span {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--blog-paper-ink);
}

.directory-filters__grid button small {
  color: var(--blog-paper-soft);
  font-size: 0.78rem;
  line-height: 1.42;
}

.directory-filters__grid button[aria-pressed="true"] .directory-filters__icon,
.directory-filters__grid button[aria-pressed="true"] span {
  color: var(--blog-paper-signal);
}

.directory-result {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.75rem;
  padding-inline: 0.15rem;
}

.directory-result > span {
  color: var(--blog-paper-ink);
  font-family: var(--font-data);
  font-size: 0.78rem;
  font-weight: 600;
}

.directory-result > small {
  color: var(--blog-paper-soft);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.directory-result > button {
  margin-left: auto;
  padding: 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
  background: transparent;
  color: var(--blog-paper-signal);
  font-size: 0.72rem;
  cursor: pointer;
}

@media (hover: hover) and (pointer: fine) {
  .directory-filters__grid button:hover .directory-filters__icon,
  .directory-filters__grid button:hover span {
    color: var(--blog-paper-signal);
  }
}

.archive-layout {
  padding-top: clamp(1rem, 6vw, 1rem);
}

.archive-timeline {
  background: #ffffff60;
  padding: clamp(1.25rem, 3vw, 1.75rem) clamp(1.5rem, 3vw, 2rem) clamp(1.75rem, 3.5vw, 2.25rem);
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.archive-timeline__label {
  margin-bottom: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--blog-paper-signal);
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.archive-timeline__track {
  display: flex;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: thin;
}

.archive-timeline__year {
  position: relative;
  flex: 1 1 3rem;
  min-width: 3rem;
  display: grid;
  justify-items: center;
  gap: 0.55rem;
  padding-top: 0.75rem;
  color: var(--blog-paper-signal);
  font-family: var(--font-data);
  font-size: 0.72rem;
  text-align: center;
  text-decoration: none;
}

.archive-timeline__year:not(:first-child)::before {
  content: "";
  position: absolute;
  top: 1.05rem;
  right: 50%;
  z-index: 0;
  width: 100%;
  height: 2px;
  background: var(--blog-paper-signal);
}

.archive-timeline__dot {
  position: relative;
  z-index: 1;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--blog-paper-signal);
}

.archive-timeline__year--current .archive-timeline__dot {
  box-shadow: 0 0 0 3px var(--blog-paper), 0 0 0 4.5px var(--blog-paper-signal);
}

.archive-timeline__year--current span {
  color: var(--blog-paper-ink);
  font-weight: 600;
}

.archive-timeline__year small {
  display: block;
  margin-top: -0.2rem;
  color: var(--blog-paper-signal);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.archive-timeline__year[hidden] {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  .archive-timeline__year:hover span {
    color: var(--blog-paper-ink);
  }

  .archive-timeline__year:hover .archive-timeline__dot {
    background: var(--blog-paper-ink);
  }
}

.archive-see-latest {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
  padding: 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
  background: transparent;
  color: var(--blog-paper-signal);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.archive-see-latest[hidden] {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  .archive-see-latest:hover {
    color: var(--blog-paper-ink);
  }
}

.archive-latest {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.archive-latest[hidden] {
  display: none;
}

.archive-latest__label {
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--blog-paper-ink);
  color: var(--blog-paper-signal);
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.archive-latest__list .archive-row:last-child {
  border-bottom: 0;
}

.archive-summary {
  display: grid;
  grid-template-columns: minmax(12rem, 1.4fr) minmax(16rem, 1.7fr) minmax(14rem, 1.3fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  padding: clamp(1.75rem, 3.5vw, 2.5rem);
  background: #ffffff60;
}

.archive-summary[hidden] {
  display: none;
}

.archive-summary__label,
.archive-summary__years-label,
.archive-summary__quote-label {
  margin-bottom: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--blog-paper-signal);
  font-family: var(--font-data);
  font-size: 1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.archive-summary__count {
  margin-bottom: 0.2rem;
  color: var(--blog-paper-ink);
  font-family: var(--font-display);
  font-size: clamp(3.25rem, 6.5vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.85;
}

.archive-summary__count-label {
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
  color: var(--blog-paper-soft);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.archive-summary__browse-all {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  padding: 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
  background: transparent;
  color: var(--blog-paper-signal);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

@media (hover: hover) and (pointer: fine) {
  .archive-summary__browse-all:hover {
    color: var(--blog-paper-ink);
  }
}

.archive-summary__years-track {
  display: flex;
  flex-direction: column;
  max-height: 22rem;
  overflow-y: auto;
  scrollbar-width: thin;
  padding: 0 10px;
}

.archive-summary__year {
  position: relative;
  display: grid;
  grid-template-columns: 1.5rem 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0;
  border: 0;
  background: transparent;
  color: var(--blog-paper-ink);
  font-family: var(--font-data);
  font-size: 0.85rem;
  text-align: left;
  cursor: pointer;
}

.archive-summary__year:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 0.25rem;
  top: 1.95rem;
  bottom: -0.55rem;
  width: 2px;
  background: var(--blog-paper-signal);
  opacity: 0.35;
}

.archive-summary__year-dot {
  position: relative;
  z-index: 1;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--blog-paper-signal);
}

.archive-summary__year--current .archive-summary__year-dot {
  box-shadow: 0 0 0 3px var(--blog-paper), 0 0 0 4.5px var(--blog-paper-signal);
}

.archive-summary__year span {
  color: var(--blog-paper-ink);
  font-weight: 600;
}

.archive-summary__year b {
  color: var(--blog-paper-signal);
  font-weight: 600;
}

.archive-summary__year[aria-pressed="true"] span,
.archive-summary__year[aria-pressed="true"] b {
  color: var(--blog-paper-signal);
}

.archive-summary__year[aria-pressed="true"] .archive-summary__year-dot {
  box-shadow: 0 0 0 3px var(--blog-paper), 0 0 0 4.5px var(--blog-paper-signal);
}

@media (hover: hover) and (pointer: fine) {
  .archive-summary__year:hover span {
    color: var(--blog-paper-signal);
  }
}

.archive-summary__quote {
  margin: 0;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border: 1px solid var(--blog-paper-signal);
}

.archive-summary__quote p:last-child {
  margin: 0;
  color: var(--blog-paper-signal);
  font-size: 0.95rem;
  line-height: 1.55;
}

@media (max-width: 64rem) {
  .archive-summary {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3rem);
  }
}

.archive-list {
  min-width: 0;
}

.archive-list[hidden] {
  display: none;
}

.archive-year {
  margin-bottom: clamp(4rem, 7vw, 7rem);
}

.archive-year:last-of-type {
  margin-bottom: 0;
}

.archive-year__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--blog-paper-ink);
}

.archive-year__head > span {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 0.76;
}

.archive-year__head > p {
  margin-bottom: 0;
  color: var(--blog-paper-soft);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.archive-row {
  background: #ffffff60;
  display: grid;
  grid-template-columns: 2.8rem minmax(7.5rem, 1.6fr) minmax(0, 6.4fr) minmax(7rem, 2fr);
  gap: clamp(1rem, 2.3vw, 2rem);
  align-items: center;
  min-height: 10.5rem;
  padding: var(--space-5) 1rem;
  border-bottom: 1px solid var(--blog-paper-rule);
}

.archive-row__number {
  align-self: start;
  padding-top: 0.15rem;
  color: var(--blog-paper-signal);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.archive-row__image {
  position: relative;
  display: block;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--blog-paper-rule);
  background: var(--blog-paper-deep);
}

.archive-row__image img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
  transition: transform 300ms var(--ease-out), filter 300ms var(--ease-out);
}

.archive-row__copy {
  min-width: 0;
}

.archive-row__copy > p:first-child {
  justify-content: flex-start;
  color: var(--blog-paper-soft);
}

.archive-row__copy > p:first-child span {
  color: var(--blog-paper-signal);
}

.archive-row__copy h3 {
  max-width: 27ch;
  margin-bottom: var(--space-3);
  color: var(--blog-paper-ink);
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.02;
}

.archive-row__copy h3 a {
  text-decoration: none;
}

.archive-row__copy > p:last-child {
  display: -webkit-box;
  max-width: 62ch;
  margin-bottom: 0;
  overflow: hidden;
  color: var(--blog-paper-soft);
  font-size: 0.87rem;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.archive-row__meta {
  align-self: stretch;
  display: grid;
  align-content: start;
  gap: 0.45rem;
  padding-left: var(--space-4);
  border-left: 1px solid var(--blog-paper-rule);
  color: var(--blog-paper-soft);
  font-family: var(--font-data);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
  text-transform: uppercase;
}

.archive-row__meta a {
  width: fit-content;
  margin-top: auto;
  padding-top: var(--space-5);
  color: var(--blog-paper-signal);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
  text-decoration: none;
  text-transform: none;
}

@media (hover: hover) and (pointer: fine) {
  .archive-row:has(h3 a:hover) .archive-row__image img,
  .archive-row:has(.archive-row__meta a:hover) .archive-row__image img,
  .archive-row__image:hover img {
    transform: scale(1.035);
    filter: saturate(1) contrast(1.05);
  }

  .archive-row__copy h3 a:hover,
  .archive-row__meta a:hover {
    color: var(--blog-paper-signal);
  }
}

.archive-empty {
  margin: 0;
  padding: clamp(3rem, 8vw, 7rem) 0;
  border-top: 2px solid var(--blog-paper-ink);
  border-bottom: 1px solid var(--blog-paper-rule);
  color: var(--blog-paper-soft);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
}

/* Individual field note hero ------------------------------------------- */

.post-progress {
  position: fixed;
  z-index: 310;
  inset: 0 0 auto;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

.post-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--brand-blue-bright);
  will-change: transform;
}

.post-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(21rem, 5fr);
  gap: clamp(3rem, 6vw, 7rem);
  align-items: center;
  min-height: clamp(38rem, calc(100svh - 8.5rem), 53rem);
  padding-block: clamp(4rem, 7vw, 7rem);
}

.post-hero__copy {
  min-width: 0;
  max-width: 100%;
}

.post-back {
  display: inline-flex;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.84rem;
  text-decoration: none;
}

.post-back:hover {
  color: var(--ink-strong);
}

.post-hero__copy h1 {
  max-width: 14ch;
  margin-bottom: var(--space-5);
  overflow-wrap: anywhere;
  color: var(--ink-strong);
  font-family: var(--font-heading);
  font-size: clamp(3.1rem, 6.5vw, 6.6rem);
  font-weight: 500;
  letter-spacing: -0.052em;
  line-height: 0.88;
}

.post-deck {
  max-width: 57ch;
  margin-bottom: var(--space-6);
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.3vw, 1.16rem);
  line-height: 1.65;
}

.post-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--rule);
  color: var(--ink-muted);
  font-family: var(--font-data);
  font-size: 0.63rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.post-byline span {
  display: inline-flex;
  align-items: center;
}

.post-byline span:not(:last-child)::after {
  content: "/";
  margin-inline: 0.65rem;
  color: var(--rule);
}

.post-hero__cover {
  min-width: 0;
  margin: 0;
}

.post-hero__cover img {
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--surface-raised);
  box-shadow: 1.25rem 1.25rem 0 color-mix(in oklch, var(--brand-blue) 8%, transparent);
  animation: blog-plate-resolve 720ms var(--ease-out) 120ms both;
}

.post-hero__cover figcaption {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--rule-soft);
  color: var(--ink-muted);
  font-family: var(--font-data);
  font-size: 0.59rem;
  letter-spacing: 0.09em;
  line-height: 1.5;
  text-transform: uppercase;
}

/* Reading sheet --------------------------------------------------------- */

.post-reading {
  color-scheme: light;
  position: relative;
  background:
    linear-gradient(90deg, transparent calc(50% - 1px), color-mix(in oklch, var(--blog-paper-rule) 48%, transparent) 50%, transparent calc(50% + 1px)),
    var(--blog-paper);
  color: var(--blog-paper-ink);
}

.post-reading__grid {
  display: grid;
  grid-template-columns: minmax(11rem, 3fr) minmax(0, 9fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: start;
  padding-block: clamp(4rem, 8vw, 8rem);
}

.post-toc {
  position: sticky;
  top: 6.5rem;
  display: grid;
  align-self: start;
  max-height: calc(100svh - 8rem);
  overflow-y: auto;
  border-top: 2px solid var(--blog-paper-ink);
  scrollbar-width: thin;
  scrollbar-color: var(--blog-paper-rule) transparent;
}

.post-toc > a {
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--blog-paper-rule);
  color: var(--blog-paper-signal);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
}

.post-toc > p:not(.post-toc__empty) {
  margin-bottom: 0;
  padding: var(--space-5) 0 var(--space-3);
  color: var(--blog-paper-soft);
  font-family: var(--font-data);
  font-size: 0.61rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.post-toc ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-toc li {
  border-bottom: 1px solid var(--blog-paper-rule);
}

.post-toc li a {
  display: block;
  padding-block: 0.7rem;
  color: var(--blog-paper-soft);
  font-size: 0.76rem;
  line-height: 1.35;
  text-decoration: none;
}

.post-toc__level-3 a,
.post-toc__level-4 a,
.post-toc__level-5 a,
.post-toc__level-6 a {
  padding-left: var(--space-4);
  font-size: 0.7rem !important;
}

.post-toc li a:hover,
.post-toc li a[aria-current="location"] {
  color: var(--blog-paper-signal);
}

.post-toc__empty {
  margin-bottom: 0;
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--blog-paper-rule);
  color: var(--blog-paper-soft);
  font-size: 0.76rem;
  line-height: 1.5;
}

.post-toc__meta {
  display: grid;
  gap: 0.4rem;
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--blog-paper-rule);
  color: var(--blog-paper-soft);
  font-family: var(--font-data);
  font-size: 0.57rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
  text-transform: uppercase;
}

.post-reading__main {
  min-width: 0;
}

.archive-notice {
  display: grid;
  grid-template-columns: minmax(9rem, 2fr) minmax(0, 8fr);
  gap: var(--space-6);
  align-items: start;
  max-width: 68rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
  padding: var(--space-5) 0;
  border-top: 2px solid var(--blog-paper-ink);
  border-bottom: 1px solid var(--blog-paper-rule);
}

.archive-notice span {
  color: var(--blog-paper-signal);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
}

.archive-notice p {
  max-width: 58ch;
  margin-bottom: 0;
  color: var(--blog-paper-soft);
  font-size: 0.9rem;
  line-height: 1.55;
}

.post-body {
  max-width: 68rem;
  color: var(--blog-paper-ink);
  font-size: clamp(1rem, 1.12vw, 1.08rem);
  line-height: 1.78;
  overflow-wrap: anywhere;
}

.post-body > :first-child {
  margin-top: 0 !important;
}

.post-body > :last-child {
  margin-bottom: 0 !important;
}

.post-body :where(p, ul, ol, dl, blockquote, pre, table, figure, iframe, video, .archive-media, .table-scroll) {
  max-width: 46rem;
  margin-top: 0;
  margin-bottom: 1.7rem;
}

.post-body :where(ul, ol) {
  padding-left: 1.4rem;
}

.post-body li + li {
  margin-top: 0.5rem;
}

.post-body :where(h2, h3, h4, h5, h6) {
  max-width: 28ch;
  margin: clamp(3.5rem, 7vw, 6rem) 0 1.25rem;
  scroll-margin-top: 7rem;
  color: var(--blog-paper-ink);
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.post-body h2 {
  padding-top: var(--space-5);
  border-top: 2px solid var(--blog-paper-ink);
  font-size: clamp(2.2rem, 4.4vw, 4.4rem);
}

.post-body h3 {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
}

.post-body h4 {
  font-size: clamp(1.35rem, 2vw, 1.85rem);
}

.post-body :where(h5, h6) {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.post-body a {
  color: var(--blog-paper-signal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  overflow-wrap: anywhere;
}

.post-body a:hover {
  color: var(--blog-paper-ink);
}

.post-body strong {
  color: var(--blog-paper-ink);
  font-weight: 600;
}

.post-body blockquote {
  margin-left: 0;
  padding: var(--space-5) clamp(1.25rem, 3vw, 2rem);
  border-left: 3px solid var(--blog-paper-signal);
  background: color-mix(in oklch, var(--blog-paper-deep) 64%, transparent);
  color: var(--blog-paper-soft);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.1vw, 1.75rem);
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.post-body blockquote > :last-child {
  margin-bottom: 0;
}

.post-body :where(code, kbd, samp) {
  font-family: var(--font-data);
  font-size: 0.86em;
}

.post-body :not(pre) > code {
  padding: 0.12em 0.34em;
  border: 1px solid var(--blog-paper-rule);
  background: var(--blog-paper-deep);
  color: var(--blog-paper-ink);
  overflow-wrap: anywhere;
}

.post-body pre {
  max-width: 100%;
  overflow: auto;
  padding: clamp(1.1rem, 2.5vw, 1.75rem);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--brand-blue);
  background: var(--surface-deep);
  color: var(--ink-strong);
  font-family: var(--font-data);
  font-size: clamp(0.72rem, 1vw, 0.86rem);
  line-height: 1.65;
  tab-size: 2;
  white-space: pre;
  -webkit-overflow-scrolling: touch;
}

.post-body pre code {
  color: inherit;
  font-size: inherit;
}

.post-body hr {
  max-width: 46rem;
  margin: clamp(3rem, 6vw, 5rem) 0;
  border: 0;
  border-top: 2px solid var(--blog-paper-ink);
}

.post-body :where(img, video) {
  height: auto;
  border: 1px solid var(--blog-paper-rule);
}

.post-body figure,
.post-body .wp-caption {
  width: auto !important;
  max-width: min(100%, 58rem);
}

.post-body figure img,
.post-body .wp-caption img {
  width: auto;
  max-width: 100%;
}

.post-body :where(figcaption, .wp-caption-text) {
  max-width: 70ch;
  margin: 0;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--blog-paper-rule);
  color: var(--blog-paper-soft);
  font-family: var(--font-data);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.post-body iframe {
  width: 100%;
  min-height: min(32rem, 56vw);
  border: 1px solid var(--blog-paper-rule);
  background: var(--blog-paper-deep);
}

.post-body .aligncenter {
  margin-right: auto;
  margin-left: auto;
}

.post-body .alignleft {
  float: left;
  margin: 0.4rem var(--space-6) var(--space-4) 0;
}

.post-body .alignright {
  float: right;
  margin: 0.4rem 0 var(--space-4) var(--space-6);
}

.post-body::after {
  content: "";
  display: table;
  clear: both;
}

.table-scroll {
  max-width: 100% !important;
  overflow-x: auto;
  border-top: 2px solid var(--blog-paper-ink);
  -webkit-overflow-scrolling: touch;
}

.post-body table {
  width: 100%;
  max-width: none;
  margin-bottom: 0;
  border-collapse: collapse;
  font-size: 0.86rem;
  line-height: 1.45;
}

.post-body :where(th, td) {
  min-width: 8rem;
  padding: 0.8rem;
  border-right: 1px solid var(--blog-paper-rule);
  border-bottom: 1px solid var(--blog-paper-rule);
  text-align: left;
  vertical-align: top;
}

.post-body th {
  background: var(--blog-paper-ink);
  color: var(--blog-paper);
  font-family: var(--font-data);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.post-body .archive-media {
  display: grid;
  gap: 0.55rem;
  min-height: 10rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--blog-paper-rule);
  background:
    linear-gradient(var(--blog-paper-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--blog-paper-rule) 1px, transparent 1px),
    var(--blog-paper-deep);
  background-size: 2rem 2rem;
}

.post-body .archive-media > span {
  color: var(--blog-paper-signal);
  font-family: var(--font-data);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
}

.post-body .archive-media > strong {
  align-self: end;
  max-width: 28ch;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2.2rem);
  font-weight: 500;
  line-height: 1;
}

.post-body .archive-media > small {
  max-width: 58ch;
  color: var(--blog-paper-soft);
  line-height: 1.5;
}

.post-body .archive-media--embed a {
  align-self: end;
  width: fit-content;
  font-size: 0.82rem;
}

.post-end {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  max-width: 68rem;
  margin-top: clamp(4rem, 8vw, 8rem);
  padding-block: var(--space-5);
  border-top: 2px solid var(--blog-paper-ink);
  border-bottom: 1px solid var(--blog-paper-rule);
  color: var(--blog-paper-soft);
  font-family: var(--font-data);
  font-size: 0.61rem;
  letter-spacing: 0.1em;
}

.post-end a {
  color: var(--blog-paper-signal);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0;
  text-decoration: none;
}

/* Adjacent and related notes ------------------------------------------- */

.post-sequence {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 90rem;
  margin-inline: auto;
  border-right: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  background: var(--surface-deep);
}

.post-sequence > a {
  position: relative;
  display: grid;
  min-height: 13rem;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  border-right: 1px solid var(--rule);
  color: var(--ink-strong);
  text-decoration: none;
}

.post-sequence > a:last-child {
  border-right: 0;
}

.post-sequence > a span {
  margin-bottom: var(--space-5);
  color: var(--brand-blue-bright);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.post-sequence > a strong {
  align-self: end;
  max-width: 25ch;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.03;
}

.post-sequence > a b {
  position: absolute;
  right: clamp(1.5rem, 4vw, 3.5rem);
  bottom: clamp(1.5rem, 4vw, 3.5rem);
  color: var(--brand-blue-bright);
  font-weight: 500;
  transition: transform 180ms var(--ease-out);
}

.post-sequence > a:first-child b {
  right: auto;
  left: clamp(1.5rem, 4vw, 3.5rem);
}

.post-sequence > a:first-child strong {
  padding-left: 2rem;
}

.post-sequence > a:last-child strong {
  padding-right: 2rem;
}

@media (hover: hover) and (pointer: fine) {
  .post-sequence > a:hover {
    background: var(--surface-raised);
  }

  .post-sequence > a:first-child:hover b {
    transform: translateX(-0.2rem);
  }

  .post-sequence > a:last-child:hover b {
    transform: translateX(0.2rem);
  }
}

.related-notes {
  padding-block: clamp(5rem, 8vw, 8rem);
  border-top: 1px solid var(--rule);
  background: var(--surface-raised);
}

.related-notes header {
  display: grid;
  grid-template-columns: minmax(9rem, 3fr) minmax(0, 9fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  margin-bottom: clamp(3rem, 5vw, 5rem);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--rule);
}

.related-notes h2 {
  color: var(--ink-strong);
}

.related-notes > .shell > div {
  display: grid;
  border-top: 1px solid var(--rule);
}

.related-notes > .shell > div > a {
  display: grid;
  grid-template-columns: minmax(7rem, 2fr) minmax(0, 9fr) 1fr;
  gap: var(--space-5);
  align-items: center;
  min-height: 7rem;
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--rule);
  color: var(--ink-strong);
  text-decoration: none;
}

.related-notes > .shell > div > a span {
  color: var(--ink-muted);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.related-notes > .shell > div > a strong {
  max-width: 33ch;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
}

.related-notes > .shell > div > a b {
  justify-self: end;
  color: var(--brand-blue-bright);
  font-weight: 500;
  transition: transform 180ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .related-notes > .shell > div > a:hover strong {
    color: var(--brand-blue-bright);
  }

  .related-notes > .shell > div > a:hover b {
    transform: translate(0.16rem, -0.16rem);
  }
}

/* Responsive composition ------------------------------------------------ */

@media (max-width: 64rem) {
  .blog-hero__grid,
  .post-hero__grid,
  .blog-latest__grid {
    grid-template-columns: minmax(0, 6.5fr) minmax(19rem, 5.5fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .blog-hero h1 {
    font-size: clamp(4rem, 8vw, 6rem);
  }

  .blog-section-head {
    grid-template-columns: minmax(8rem, 2fr) minmax(0, 7fr);
  }

  .blog-section-head > span {
    grid-column: 2;
  }

  .directory-filters__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .directory-filters__grid button:nth-child(3n + 1) {
    padding-left: 0;
    border-left: 0;
  }

  .directory-filters__grid button:nth-child(n + 4) {
    padding-top: clamp(1rem, 2vw, 1.4rem);
    border-top: 1px solid var(--blog-paper-rule);
  }

  .archive-row {
    grid-template-columns: 2.3rem minmax(0, 7.5fr) minmax(6.5rem, 2.5fr);
  }

  .archive-row__image {
    display: none;
  }

  .post-reading__grid {
    grid-template-columns: minmax(10rem, 2.5fr) minmax(0, 9.5fr);
    gap: clamp(2.5rem, 5vw, 5rem);
  }
}

@media (max-width: 48rem) {
  .blog-hero__meta,
  .post-hero__meta,
  .blog-hero__scale,
  .post-hero__scale {
    padding-inline: 1rem;
  }

  .blog-hero__meta,
  .post-hero__meta {
    margin-top: 4.5rem;
  }

  .blog-hero__meta span:last-child,
  .post-hero__meta span:last-child,
  .blog-hero__scale span:nth-child(2),
  .post-hero__scale span:nth-child(2) {
    display: none;
  }

  .blog-hero__grid,
  .post-hero__grid,
  .blog-latest__grid,
  .post-reading__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-hero__grid,
  .post-hero__grid {
    min-height: 0;
    padding-block: clamp(4rem, 13vw, 6rem);
  }

  .blog-hero h1 {
    max-width: 8.7ch;
    font-size: clamp(3.2rem, 13vw, 5rem);
  }

  .blog-hero__plate {
    aspect-ratio: 16 / 10;
    min-height: 0;
  }

  .blog-hero__plate img {
    object-fit: contain;
    object-position: center;
  }

  .blog-hero__plate::after,
  .blog-hero__plate > span,
  .blog-hero__plate > strong {
    display: none;
  }

  .blog-section-head {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .blog-section-head > span {
    grid-column: auto;
    max-width: 38ch;
  }

  .blog-latest__secondary .latest-note {
    grid-template-columns: minmax(7.5rem, 0.8fr) minmax(0, 1.2fr);
  }

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

  .directory-filters__grid button:nth-child(2n + 1) {
    padding-left: 0;
    border-left: 0;
  }

  .directory-filters__grid button:nth-child(2n) {
    padding-left: clamp(1rem, 2vw, 1.5rem);
    border-left: 1px solid var(--blog-paper-rule);
  }

  .directory-filters__grid button:nth-child(n + 3) {
    padding-top: clamp(1rem, 2vw, 1.4rem);
    border-top: 1px solid var(--blog-paper-rule);
  }

  .archive-row {
    grid-template-columns: 2.2rem minmax(0, 1fr);
    align-items: start;
  }

  .archive-row__meta {
    grid-column: 2;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem 0.85rem;
    padding: var(--space-3) 0 0;
    border-top: 1px solid var(--blog-paper-rule);
    border-left: 0;
  }

  .archive-row__meta a {
    margin: 0 0 0 auto;
    padding-top: 0;
  }

  .post-back {
    margin-bottom: var(--space-7);
  }

  .post-hero__copy h1 {
    max-width: 100%;
    font-size: clamp(2.8rem, 11vw, 4.7rem);
  }

  .post-hero__cover {
    width: min(100%, 38rem);
  }

  .post-hero__cover img {
    box-shadow: 0.75rem 0.75rem 0 color-mix(in oklch, var(--brand-blue) 8%, transparent);
  }

  .post-reading {
    background: var(--blog-paper);
  }

  .post-toc {
    position: static;
    max-height: none;
  }

  .post-toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-5);
  }

  .post-toc__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
  }

  .post-sequence {
    margin-inline: 1rem;
  }

  .related-notes header {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 36rem) {
  .blog-hero__scale span:last-child,
  .post-hero__scale span:last-child {
    display: none;
  }

  .blog-latest__secondary .latest-note {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-latest__secondary .latest-note__image {
    width: min(100%, 22rem);
  }

  .blog-latest__secondary .latest-note__copy > p:first-child {
    display: flex;
  }

  .archive-row__copy > p:last-child {
    -webkit-line-clamp: 3;
  }

  .archive-notice {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }

  .post-toc ol {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-body :where(img, video) {
    max-width: 100%;
  }

  .post-body .alignleft,
  .post-body .alignright {
    float: none;
    margin: 0 0 1.7rem;
  }

  .post-end {
    align-items: flex-start;
    flex-direction: column;
  }

  .post-sequence {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-sequence > a {
    min-height: 10rem;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .post-sequence > span:empty {
    display: none;
  }

  .related-notes > .shell > div > a {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .related-notes > .shell > div > a span {
    grid-column: 1 / -1;
  }
}

@media (max-width: 24rem) {
  .blog-blueprint {
    --shell: calc(100% - 2rem);
  }

  .blog-hero__meta,
  .post-hero__meta,
  .blog-hero__scale,
  .post-hero__scale {
    font-size: 0.58rem;
  }

  .blog-hero h1 {
    font-size: clamp(3.2rem, 16vw, 4.4rem);
  }

  .blog-hero__plate > strong {
    font-size: 1.35rem;
  }

  .directory-search kbd {
    display: none;
  }

  .directory-search input {
    padding-right: 0;
  }

  .directory-filters__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .directory-filters__grid button:nth-child(n + 1) {
    padding-left: 0;
    border-left: 0;
  }

  .directory-filters__grid button:not(:first-child) {
    padding-top: clamp(1rem, 2vw, 1.4rem);
    border-top: 1px solid var(--blog-paper-rule);
  }

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

  .archive-row__number {
    padding-top: 0;
  }

  .archive-row__meta {
    grid-column: 1;
  }

  .post-hero__copy h1 {
    font-size: clamp(2.65rem, 13.5vw, 3.6rem);
  }

  .post-byline {
    display: grid;
  }

  .post-byline span:not(:last-child)::after {
    display: none;
  }

  .related-notes > .shell > div > a strong {
    font-size: 1.25rem;
  }
}

/* Accessibility, motion, forced color, and print ----------------------- */

.blog-directory :focus-visible,
.post-reading :focus-visible {
  outline-color: var(--blog-paper-signal);
}

.directory-search input:focus-visible {
  outline: 0;
}

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

  .blog-hero__plate,
  .post-hero__cover img {
    opacity: 1;
    transform: none;
  }
}

@media (forced-colors: active) {
  .blog-hero__plate,
  .latest-note__image,
  .archive-row__image,
  .post-hero__cover img,
  .directory-search,
  .directory-filters,
  .archive-row,
  .post-sequence > a {
    border-color: CanvasText;
  }

  .directory-filters__grid button[aria-pressed="true"] {
    outline: 2px solid Highlight;
    outline-offset: -2px;
  }
}

@media print {
  @page {
    margin: 18mm;
  }

  .blog-blueprint {
    min-width: 0;
    background: white !important;
    color: black !important;
    font-size: 10.5pt;
  }

  .blog-blueprint .edge-nav,
  .blog-blueprint .mast-footer,
  .blog-blueprint .post-progress,
  .blog-blueprint .post-hero,
  .blog-blueprint .post-toc,
  .blog-blueprint .post-sequence,
  .blog-blueprint .related-notes,
  .blog-blueprint .skip-link {
    display: none !important;
  }

  .blog-blueprint .post-reading,
  .blog-blueprint .post-reading__grid,
  .blog-blueprint .post-reading__main,
  .blog-blueprint .post-body {
    display: block;
    max-width: none;
    padding: 0;
    background: white !important;
    color: black !important;
  }

  .blog-blueprint .post-reading::before {
    display: block;
    margin-bottom: 12mm;
    padding-bottom: 5mm;
    border-bottom: 1px solid black;
    content: "ESOTECH / FIELD NOTES";
    font-family: var(--font-data);
    font-size: 8pt;
    letter-spacing: 0.12em;
  }

  .post-body :where(p, ul, ol, dl, blockquote, pre, table, figure, .table-scroll) {
    max-width: none;
  }

  .post-body :where(h2, h3, h4, h5, h6) {
    color: black !important;
    break-after: avoid;
  }

  .post-body :where(pre, blockquote, table, figure, img, .archive-media) {
    break-inside: avoid;
  }

  .post-body pre {
    border: 1px solid black;
    background: white !important;
    color: black !important;
    white-space: pre-wrap;
  }

  .post-body a {
    color: black !important;
  }

  .post-body a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-family: var(--font-data);
    font-size: 8pt;
    overflow-wrap: anywhere;
  }

  .post-end {
    color: black;
  }

  .blog-index .blog-hero,
  .blog-index .blog-latest {
    display: none;
  }

  .blog-index .blog-directory {
    padding: 0;
    background: white;
    color: black;
  }

  .blog-index .directory-controls,
  .blog-index .archive-timeline,
  .blog-index .archive-see-latest,
  .blog-index .archive-latest,
  .blog-index .archive-summary,
  .blog-index .archive-row__image,
  .blog-index .archive-row__copy > p:last-child {
    display: none;
  }

  .blog-index .archive-layout,
  .blog-index .archive-row {
    display: block;
  }

  .blog-index .archive-list[hidden],
  .blog-index .archive-year[hidden] {
    display: block;
  }

  .blog-index .archive-year,
  .blog-index .archive-row {
    break-inside: avoid;
  }

  .blog-index .archive-row {
    min-height: 0;
    padding: 4mm 0;
  }

  .blog-index .archive-row__number,
  .blog-index .archive-row__meta {
    display: inline;
    margin-right: 4mm;
    padding: 0;
    border: 0;
    color: black;
  }
}