/*
  Phase Two editorial layer
  Inter carries the identity and interface. Newsreader appears only where a
  sustained reading rhythm is useful: article decks and article prose.
*/

@font-face {
  font-family: "Inter Variable";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter-latin-variable.woff2") format("woff2");
}

@font-face {
  font-family: "Newsreader Variable";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("/assets/fonts/newsreader-latin-variable.woff2") format("woff2");
}

@font-face {
  font-family: "Newsreader Variable";
  font-style: italic;
  font-weight: 200 800;
  font-display: swap;
  src: url("/assets/fonts/newsreader-latin-italic-variable.woff2") format("woff2");
}

:root {
  --font-sans: "Inter Variable", Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: "Inter Variable", Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-reading: "Newsreader Variable", Newsreader, Georgia, "Times New Roman", serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --content-width: 46rem;
  --type-page-title: clamp(3rem, 7.2vw, 7.1rem);
  --type-section-title: clamp(2.35rem, 5vw, 4.8rem);
  --type-reading: clamp(1.15rem, 1.15vw + 0.85rem, 1.34rem);
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

body {
  font-optical-sizing: auto;
  font-variation-settings: "opsz" 14;
}

html {
  scrollbar-color: var(--color-line-strong) transparent;
}

/* Keep the homepage typographically singular. */
.hero-word,
.hero-title,
.hero-intro,
.section-heading h2,
.project h3,
.journal-empty h3,
.interest-field,
.distance-note > p:last-child,
.about-statement,
.error-content h1 {
  font-family: var(--font-sans);
}

.nav-list a[aria-current="page"],
.nav-list a[aria-current="location"] {
  color: var(--color-text);
}

.nav-list a[aria-current="page"]::after,
.nav-list a[aria-current="location"]::after {
  transform: scaleX(1);
}

.text-link,
.external-link {
  text-decoration-color: var(--color-line-strong);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.text-link:hover,
.external-link:hover {
  color: var(--color-accent);
  text-decoration-color: currentColor;
}

.external-link::after {
  content: " ↗";
  font-family: var(--font-sans);
  font-size: 0.68em;
  font-style: normal;
  vertical-align: 0.22em;
}

.section-heading .section-link {
  display: inline-flex;
  margin-top: 1.4rem;
  color: var(--color-text);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Shared interior-page structure */
.page-hero {
  min-height: min(44rem, 74vh);
  padding-top: clamp(10.5rem, 19vh, 13rem);
  padding-bottom: clamp(4.5rem, 8vw, 7.5rem);
  border-bottom: 1px solid var(--color-line);
}

.page-kicker,
.record-meta {
  margin-bottom: clamp(1.6rem, 4vw, 3rem);
  color: var(--color-accent);
  font-size: 0.68rem;
  font-weight: 780;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-hero h1,
.article-header h1 {
  max-width: 12ch;
  margin-bottom: clamp(2rem, 4vw, 3.2rem);
  font-size: var(--type-page-title);
  font-weight: 570;
  letter-spacing: -0.072em;
  line-height: 0.91;
}

.page-dek,
.article-dek {
  max-width: 39rem;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: clamp(1.06rem, 1.6vw, 1.3rem);
  line-height: 1.62;
}

.page-section {
  padding-top: clamp(4rem, 8vw, 7rem);
  padding-bottom: var(--section-space);
}

.empty-state {
  max-width: 46rem;
  padding: clamp(2.2rem, 5vw, 4.5rem);
  border: 1px solid var(--color-line);
  background: var(--color-hover);
}

.empty-state h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 580;
  letter-spacing: -0.055em;
  line-height: 1;
}

.empty-state > p:last-child {
  max-width: 35rem;
  margin-bottom: 0;
  color: var(--color-muted);
}

/* Writing index and generated homepage list */
.writing-year + .writing-year {
  margin-top: clamp(5rem, 9vw, 8rem);
}

.writing-year > h2 {
  margin-bottom: 1.6rem;
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.14em;
}

.writing-list,
.home-writing-list {
  border-top: 1px solid var(--color-line-strong);
}

.writing-row {
  display: grid;
  grid-template-columns: minmax(8.5rem, 0.7fr) minmax(14rem, 1.5fr) minmax(13rem, 1fr);
  gap: clamp(1.25rem, 3vw, 3.5rem);
  align-items: start;
  padding-block: clamp(1.8rem, 3.5vw, 3.2rem);
  border-bottom: 1px solid var(--color-line);
  transition: background-color 180ms ease;
}

.writing-row:hover {
  background: linear-gradient(90deg, transparent, var(--color-hover), transparent);
}

.writing-row-meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  color: var(--color-muted);
  font-size: 0.69rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  line-height: 1.5;
  text-transform: uppercase;
}

.writing-row h2 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 2.3vw, 2.05rem);
  font-weight: 590;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.writing-row h2 a {
  transition: color 180ms ease;
}

.writing-row h2 a:hover {
  color: var(--color-accent);
}

.writing-row > p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.68;
}

.home-writing-empty {
  max-width: 56rem;
}

/* Phase Three indexes: editorial lists with strong hierarchy and very little chrome. */
.featured-writing {
  margin-bottom: clamp(4rem, 8vw, 7rem);
  padding: clamp(2rem, 4vw, 3.75rem);
  border: 1px solid var(--color-line-strong);
  background: var(--color-surface);
}

.featured-writing > .eyebrow {
  margin-bottom: clamp(2rem, 5vw, 4rem);
  color: var(--color-accent);
}

.featured-writing-inner {
  display: grid;
  grid-template-columns: minmax(16rem, 1.15fr) minmax(15rem, 0.85fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
}

.featured-writing h2 {
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 4rem);
  font-weight: 580;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.featured-writing h2 a,
.work-index-row h2 a {
  transition: color 180ms ease;
}

.featured-writing h2 a:hover,
.work-index-row h2 a:hover {
  color: var(--color-accent);
}

.featured-writing-inner > div:last-child > p {
  color: var(--color-muted);
}

.writing-topics-section {
  margin-top: clamp(4rem, 8vw, 7rem);
  padding-top: clamp(2rem, 4vw, 3.5rem);
  border-top: 1px solid var(--color-line-strong);
}

.writing-topics {
  display: flex;
  margin-top: 1.5rem;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.writing-topics a {
  display: inline-flex;
  min-height: 2.75rem;
  padding-inline: 0.9rem;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 180ms ease, color 180ms ease;
}

.writing-topics a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.latest-writing > .eyebrow {
  margin-bottom: 1.5rem;
  color: var(--color-accent);
}

.work-index-list {
  border-top: 1px solid var(--color-line-strong);
}

.work-index-row {
  display: grid;
  grid-template-columns: 3rem minmax(15rem, 1.25fr) minmax(13rem, 0.75fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--color-line);
}

.work-index-number {
  margin: 0;
  color: var(--color-accent);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.work-index-row .record-meta {
  margin-bottom: 1rem;
  color: var(--color-muted);
}

.work-index-row h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 580;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.work-index-row > div:nth-child(2) > p:last-child,
.work-index-aside > p {
  color: var(--color-muted);
}

.work-index-aside {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: space-between;
}

.work-index-aside > p {
  font-size: 0.78rem;
  line-height: 1.7;
}

.editorial-page-copy {
  width: min(100%, 50rem);
  font-size: clamp(1.1rem, 1.3vw, 1.28rem);
  line-height: 1.75;
}

.editorial-page-copy p {
  margin-bottom: 1.6em;
}

.editorial-page-copy p:first-child {
  color: var(--color-text);
  font-size: clamp(1.4rem, 2.6vw, 2.15rem);
  letter-spacing: -0.035em;
  line-height: 1.45;
}

.editorial-page-copy p:last-child {
  margin-bottom: 0;
  color: var(--color-muted);
}

.project-context {
  margin-top: 2rem;
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Long-form reading */
.article-page,
.project-page {
  padding-top: var(--header-height);
}

.article-header {
  padding-top: clamp(5rem, 10vw, 9rem);
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

.article-header h1 {
  max-width: 15ch;
}

.article-dek {
  max-width: 43rem;
}

.article-route .article-dek {
  font-family: var(--font-reading);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-optical-sizing: auto;
  font-variation-settings: "opsz" 36;
  line-height: 1.5;
}

.topic-chips,
.technology-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.topic-chips a,
.topic-chips span,
.technology-list li {
  padding: 0.42rem 0.72rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.topic-chips a {
  transition: border-color 180ms ease, color 180ms ease;
}

.topic-chips a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.article-dates {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.5rem;
  margin-top: 2rem;
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.article-lead-image {
  width: min(calc(100% - (2 * var(--gutter))), var(--shell-width));
  margin: 0 auto clamp(4rem, 8vw, 7rem);
}

.article-lead-image img {
  display: block;
  width: 100%;
  max-height: 75vh;
  object-fit: cover;
}

.article-prose,
.project-prose {
  width: min(100%, var(--content-width));
  padding-bottom: clamp(4.5rem, 8vw, 7rem);
}

.article-prose {
  font-family: var(--font-reading);
  font-size: var(--type-reading);
  font-optical-sizing: auto;
  font-variation-settings: "opsz" 30;
  line-height: 1.78;
}

.article-prose p,
.article-prose ul,
.article-prose ol,
.article-prose blockquote,
.project-prose p,
.project-prose ul,
.project-prose ol {
  margin-block: 0 1.55em;
}

.article-prose h2,
.article-prose h3,
.article-prose h4,
.project-prose h2,
.project-prose h3,
.project-prose h4 {
  margin-block: 2.3em 0.72em;
  font-family: var(--font-sans);
  font-weight: 620;
  letter-spacing: -0.038em;
  line-height: 1.16;
}

.article-prose h2,
.project-prose h2 {
  font-size: clamp(1.8rem, 4vw, 2.65rem);
}

.article-prose h3,
.project-prose h3 {
  font-size: clamp(1.45rem, 3vw, 1.9rem);
}

.article-prose ul,
.article-prose ol,
.project-prose ul,
.project-prose ol {
  padding-left: 1.4em;
}

.article-prose li + li,
.project-prose li + li {
  margin-top: 0.5em;
}

.article-prose blockquote {
  margin-inline: 0;
  padding: 0.4rem 0 0.4rem clamp(1.2rem, 4vw, 2.2rem);
  border-left: 2px solid var(--color-accent);
  color: var(--color-muted);
  font-size: 1.13em;
  font-style: italic;
}

.article-prose blockquote p {
  margin-bottom: 0;
}

.article-prose hr,
.project-prose hr {
  width: 4rem;
  margin-block: 3.7rem;
  border: 0;
  border-top: 1px solid var(--color-line-strong);
}

.article-prose img,
.project-prose img {
  display: block;
  max-width: 100%;
  height: auto;
}

.article-prose figure,
.project-prose figure {
  margin: 2.5rem 0;
}

.article-prose figcaption,
.project-prose figcaption {
  margin-top: 0.7rem;
  color: var(--color-muted);
  font-family: var(--font-sans);
  font-size: 0.73rem;
  line-height: 1.5;
}

.article-prose code,
.project-prose code {
  padding: 0.14em 0.35em;
  border-radius: 0.22rem;
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 0.78em;
}

.article-prose pre,
.project-prose pre {
  max-width: 100%;
  margin-block: 2.2rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  overflow-x: auto;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  line-height: 1.58;
  tab-size: 2;
}

.article-prose pre code,
.project-prose pre code {
  padding: 0;
  background: transparent;
  font-size: 0.78rem;
}

.article-prose a:visited {
  color: color-mix(in srgb, var(--color-accent) 63%, var(--color-muted));
}

.article-after {
  padding-bottom: var(--section-space);
}

.related-writing {
  margin-bottom: 3rem;
  padding-top: clamp(3rem, 7vw, 5rem);
  border-top: 1px solid var(--color-line-strong);
}

.related-writing > h2,
.module-writing > h2 {
  margin-bottom: 2.5rem;
  font-size: var(--type-section-title);
  font-weight: 570;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

/* Explore is an editorial map, not a grid of empty product cards. */
.explore-list {
  border-top: 1px solid var(--color-line-strong);
}

.explore-row {
  display: grid;
  grid-template-columns: minmax(12rem, 0.9fr) minmax(15rem, 1.45fr) minmax(9rem, 0.6fr);
  scroll-margin-top: calc(var(--header-height) + 1rem);
  gap: clamp(1.3rem, 4vw, 4rem);
  align-items: start;
  padding-block: clamp(2rem, 4vw, 3.6rem);
  border-bottom: 1px solid var(--color-line);
}

.explore-name {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.65rem;
  align-items: baseline;
}

.explore-name > span {
  color: var(--color-accent);
  font-size: 0.65rem;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.explore-name h2 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 2.4vw, 2.15rem);
  font-weight: 590;
  letter-spacing: -0.05em;
  line-height: 1;
}

.explore-row > p,
.record-row p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.91rem;
}

.explore-action {
  justify-self: end;
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-align: right;
  text-transform: uppercase;
}

.explore-action a {
  transition: color 180ms ease;
}

.explore-action a:hover {
  color: var(--color-accent);
}

.module-empty {
  color: var(--color-muted);
}

.module-records {
  border-top: 1px solid var(--color-line-strong);
}

.record-row {
  display: grid;
  grid-template-columns: minmax(13rem, 0.9fr) minmax(15rem, 1.1fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  padding-block: clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--color-line);
}

.record-meta {
  margin-bottom: 0.5rem;
}

.record-row h2 {
  margin-bottom: 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 590;
  letter-spacing: -0.045em;
}

.record-row .text-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.73rem;
}

.module-writing {
  margin-top: clamp(5rem, 10vw, 9rem);
}

.now-page .now-grid {
  opacity: 1;
  transform: none;
}

.project-route .article-dek,
.project-prose {
  font-family: var(--font-sans);
}

.technology-list {
  margin-top: 2rem;
}

/* The shared 404 also opts into the local interface font. */
.error-page .error-content {
  padding-top: clamp(7rem, 18vh, 12rem);
}

@media (max-width: 58rem) {
  .writing-row {
    grid-template-columns: minmax(8rem, 0.55fr) minmax(15rem, 1.45fr);
  }

  .writing-row > p {
    grid-column: 2;
  }

  .explore-row {
    grid-template-columns: minmax(11rem, 0.7fr) minmax(15rem, 1.3fr);
  }

  .featured-writing-inner,
  .work-index-row {
    grid-template-columns: 1fr;
  }

  .work-index-aside {
    gap: 1.5rem;
  }

  .explore-action {
    grid-column: 2;
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 44rem) {
  :root {
    --type-page-title: clamp(2.75rem, 14vw, 5rem);
    --type-reading: clamp(1.11rem, 4.6vw, 1.24rem);
  }

  .page-hero {
    min-height: auto;
    padding-top: 9.5rem;
  }

  .page-hero h1,
  .article-header h1 {
    max-width: 100%;
    letter-spacing: -0.06em;
  }

  .writing-row,
  .explore-row,
  .record-row {
    grid-template-columns: 1fr;
  }

  .featured-writing-inner {
    gap: 1.5rem;
  }

  .writing-row {
    gap: 0.8rem;
  }

  .writing-row > p,
  .explore-action {
    grid-column: auto;
  }

  .writing-row-meta {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.3rem 0.9rem;
  }

  .writing-row h2 {
    margin-top: 0.4rem;
  }

  .explore-row {
    gap: 1rem;
  }

  .article-header {
    padding-top: 4rem;
  }

  .article-dates {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-prose,
  .project-prose {
    line-height: 1.72;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

@media (forced-colors: active) {
  .brand-dot,
  .scroll-progress {
    background: CanvasText;
  }

  .topic-chips a,
  .topic-chips span,
  .technology-list li {
    border-color: CanvasText;
  }
}

@media (prefers-reduced-motion: reduce) {
  .writing-row,
  .writing-row h2 a,
  .explore-action a,
  .topic-chips a,
  .text-link,
  .external-link {
    transition: none;
  }
}