:root {
  --ink: #1c2430;
  --ink-soft: #4e5869;
  --ink-muted: #788191;
  --paper: #f3f4f6;
  --surface: #ffffff;
  --surface-alt: #e8ebef;
  --line: #d7dbe2;
  --accent: #3b4f86;
  --accent-deep: #283966;
  --accent-soft: #e8edf7;
  --success-soft: #edf3ef;
  --success-ink: #3d5946;
  --max-width: 1080px;
  --content-width: 760px;
  --shadow: 0 18px 40px rgba(25, 35, 52, 0.08);
  --shadow-soft: 0 12px 26px rgba(25, 35, 52, 0.05);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, "Times New Roman", serif;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(80, 95, 140, 0.08), transparent 24%),
    linear-gradient(180deg, #f7f8fa 0%, #eef1f4 100%);
  font-family: var(--sans);
  line-height: 1.7;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

::selection {
  background: rgba(59, 79, 134, 0.16);
}

.site-shell {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(243, 244, 246, 0.92);
  border-bottom: 1px solid rgba(215, 219, 226, 0.95);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.site-brand {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.16rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.site-brand:hover {
  text-decoration: none;
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 22px;
  height: 2px;
  margin: 4px 0;
  background: var(--ink);
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 8px 11px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

#progress {
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  height: 2px;
  border: 0;
  appearance: none;
  background: transparent;
  z-index: 99;
}

#progress::-webkit-progress-bar {
  background: transparent;
}

#progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--accent), #6377af);
}

main {
  padding: 52px 0 92px;
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 34px;
  align-items: start;
  margin-bottom: 54px;
}

.eyebrow {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.hero-title,
.page-title {
  margin: 0;
  color: #152338;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 5vw, 4.35rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.page-title {
  font-size: clamp(2.2rem, 4vw, 3.3rem);
}

.hero-summary,
.page-summary {
  max-width: 60ch;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.availability-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 18px;
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  max-width: fit-content;
  padding: 6px 12px;
  border: 1px solid rgba(196, 210, 201, 0.82);
  border-radius: 999px;
  background: rgba(238, 245, 239, 0.72);
  color: var(--success-ink);
  font-size: 0.78rem;
  font-weight: 580;
}

.availability::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #627e67;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.button {
  background: var(--accent-deep);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.button:hover {
  background: var(--accent);
  text-decoration: none;
}

.button-secondary {
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--line);
}

.button-secondary:hover {
  background: #fff;
  text-decoration: none;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: min(100%, 320px);
  justify-self: end;
}

.portrait-card {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(215, 219, 226, 0.95);
  background: linear-gradient(180deg, #e3e6eb 0%, #d7dbe1 100%);
  box-shadow: var(--shadow);
}

.portrait-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center 18%;
  transform: scale(1.06);
  filter: brightness(1.02) contrast(1.01) saturate(0.96);
}

.side-note {
  padding: 18px 18px 19px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.side-note p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.story-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 22px;
  margin-bottom: 48px;
}

.section-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.section-card h2,
.section-card h3,
.section-block h2,
.section-block h3 {
  margin: 0 0 12px;
  color: #152338;
  font-family: var(--serif);
  letter-spacing: -0.02em;
}

.section-card h2,
.section-block h2 {
  font-size: 1.8rem;
}

.section-card p,
.section-block p,
.lede {
  margin: 0;
  color: var(--ink-soft);
}

.trajectory-list,
.milestone-list,
.entry-list,
.writing-list,
.publication-list,
.project-stack,
.compact-list {
  display: grid;
  gap: 16px;
}

.timeline-entry {
  position: relative;
  padding-left: 22px;
}

.timeline-entry::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: -16px;
  width: 1px;
  background: var(--line);
}

.timeline-entry:last-child::before {
  display: none;
}

.timeline-entry::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(59, 79, 134, 0.08);
}

.timeline-date,
.entry-date,
.micro-label,
.meta-line {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.timeline-entry h3,
.entry-title,
.publication-title,
.project-name,
.writing-title {
  margin: 4px 0 6px;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.metrics-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.metric-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.84rem;
  font-weight: 700;
}

.metric-pill.muted {
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink-soft);
  border: 1px solid var(--line);
}

.section-block {
  margin-bottom: 54px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-heading p {
  max-width: 52ch;
  margin: 0;
}

.section-heading .eyebrow {
  margin-bottom: 6px;
}

.work-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.feature-work,
.support-work,
.entry-card,
.writing-card,
.publication-card,
.cv-panel,
.proof-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.feature-work,
.entry-card,
.publication-card,
.cv-panel,
.proof-card {
  padding: 26px;
}

.feature-work {
  display: flex;
  flex-direction: column;
}

.support-work {
  padding: 18px;
  display: grid;
  gap: 14px;
  height: 100%;
}

.work-kicker,
.entry-kicker {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.77rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feature-work .project-name {
  font-family: var(--serif);
  font-size: 1.72rem;
  font-weight: 700;
  color: #152338;
  letter-spacing: -0.02em;
}

.feature-work p,
.support-item p,
.entry-card p,
.writing-card p,
.publication-card p,
.cv-panel p,
.proof-card p {
  color: var(--ink-soft);
}

.entry-signals,
.post-link-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.entry-signal,
.post-link-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(232, 237, 247, 0.78);
  color: var(--accent-deep);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.feature-work .entry-callout {
  margin-top: 16px;
}

.support-item {
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(232, 237, 247, 0.58), rgba(255, 255, 255, 0.68));
  border: 1px solid rgba(215, 219, 226, 0.92);
  display: flex;
  flex-direction: column;
}

.support-item .project-name {
  font-size: 1.03rem;
}

.feature-work .button-row {
  margin-top: auto;
  padding-top: 18px;
}

.support-item .button-row {
  margin-top: auto;
  padding-top: 14px;
}

.support-item .metric-pill,
.feature-work .metric-pill {
  margin-top: 8px;
}

.timeline-band {
  display: grid;
  gap: 16px;
}

.milestone-item,
.entry-card,
.writing-card,
.publication-card {
  position: relative;
}

.milestone-item {
  padding: 0 0 0 18px;
}

.milestone-item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: -16px;
  width: 1px;
  background: var(--line);
}

.milestone-item:last-child::before {
  display: none;
}

.milestone-item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-deep);
}

.milestone-item h3 {
  margin: 4px 0 6px;
  font-size: 1rem;
}

.timeline-page {
  display: grid;
  gap: 26px;
}

.timeline-card {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 18px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.timeline-card:first-child {
  border-top: 0;
  padding-top: 0;
}

.timeline-card .timeline-date {
  padding-top: 6px;
}

.timeline-card h3 {
  margin: 0;
  font-size: 1.18rem;
}

.timeline-card .role-line {
  margin-top: 6px;
  color: var(--accent);
  font-weight: 700;
}

.timeline-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
}

.timeline-card li + li {
  margin-top: 6px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 600;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 28px;
}

.page-content {
  min-width: 0;
}

.page-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.side-panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.side-panel h3 {
  margin: 0 0 10px;
  font-size: 1.04rem;
}

.side-panel p,
.side-panel li {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.side-panel ul {
  margin: 0;
  padding-left: 18px;
}

.entry-card + .entry-card,
.writing-card + .writing-card,
.publication-card + .publication-card {
  margin-top: 16px;
}

.entry-topline {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
}

.entry-topline .entry-date {
  padding-top: 4px;
  white-space: nowrap;
}

.entry-callout,
.proof-ribbon {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.9rem;
  font-weight: 700;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.compact-proof-grid .proof-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
}

.proof-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.proof-card .proof-number {
  color: #152338;
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1;
}

.writing-card,
.publication-card {
  padding: 22px 24px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.topic-card {
  padding: 22px 24px;
}

.topic-card .entry-title {
  margin: 4px 0 0;
}

.topic-list {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.topic-item + .topic-item {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.topic-topline {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.topic-link {
  color: inherit;
  font-weight: 700;
}

.topic-link:hover {
  color: var(--accent);
  text-decoration: none;
}

.topic-item p {
  margin: 8px 0 0;
  color: var(--ink-soft);
}

.archive-list {
  gap: 0;
}

.archive-item h3 a {
  color: inherit;
}

.archive-item h3 a:hover {
  color: var(--accent);
  text-decoration: none;
}

.archive-item .role-line {
  margin-top: 4px;
  font-weight: 600;
  font-size: 0.92rem;
}

.writing-title a,
.publication-title a,
.project-name a {
  color: inherit;
}

.writing-title a:hover,
.publication-title a:hover,
.project-name a:hover {
  text-decoration: none;
  color: var(--accent);
}

.article-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 28px;
}

.article {
  min-width: 0;
}

.article-header {
  margin-bottom: 24px;
}

.article-meta {
  margin-top: 10px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.article h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.15rem, 4vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.article h2 {
  margin: 32px 0 10px;
  color: #152338;
  font-family: var(--serif);
  font-size: 1.44rem;
  letter-spacing: -0.02em;
}

.article p,
.article li {
  color: var(--ink-soft);
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.article ul,
.article ol {
  padding-left: 20px;
}

.article li + li {
  margin-top: 8px;
}

.article blockquote {
  margin: 22px 0;
  padding: 0 0 0 18px;
  border-left: 3px solid var(--accent);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.13rem;
  line-height: 1.6;
}

.article code {
  padding: 2px 6px;
  border-radius: 8px;
  background: var(--surface-alt);
  font-family: var(--mono);
  font-size: 0.92em;
}

.article pre {
  margin: 18px 0;
  padding: 18px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, #1f2b45 0%, #192236 100%);
  color: #edf2fb;
  box-shadow: 0 20px 38px rgba(20, 31, 61, 0.12);
}

.article pre code {
  display: block;
  padding: 0;
  background: transparent;
  border-radius: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: inherit;
}

.code-shell {
  margin: 18px 0;
  border: 1px solid rgba(42, 58, 94, 0.22);
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(180deg, #1f2b45 0%, #192236 100%);
  box-shadow: 0 20px 38px rgba(20, 31, 61, 0.12);
}

.code-shell pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(124, 141, 177, 0.18);
  background: rgba(11, 18, 31, 0.34);
}

.code-label {
  color: rgba(237, 242, 251, 0.92);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.code-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(124, 141, 177, 0.26);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(237, 242, 251, 0.92);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

.code-copy:hover {
  background: rgba(255, 255, 255, 0.12);
}

.code-copy.is-copied {
  border-color: rgba(176, 225, 195, 0.28);
  color: #b9e2c7;
}

.article .lead-note {
  margin: 14px 0 24px;
  padding: 14px 16px;
  border: 1px solid rgba(215, 219, 226, 0.92);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
  font-size: 0.96rem;
}

.article .figure-caption {
  margin: 10px 0 0;
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.artifact-table {
  width: 100%;
  margin: 18px 0 10px;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.84);
}

.artifact-table th,
.artifact-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.artifact-table th {
  color: #152338;
  background: rgba(232, 237, 247, 0.7);
  font-size: 0.9rem;
  font-weight: 700;
}

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

.mini-figure {
  margin: 18px 0 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.project-diagram img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(215, 219, 226, 0.9);
  background: #fff;
}

.github-summary {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.github-summary-item {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
}

.github-summary-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 0.88rem;
}

.github-summary-item span {
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.5;
}

.diagram-label {
  margin: 0 0 12px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.flow-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.flow-node {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(215, 219, 226, 0.92);
  background: linear-gradient(180deg, rgba(244, 246, 250, 0.96), rgba(255, 255, 255, 0.92));
}

.flow-node strong {
  color: #152338;
}

.flow-node span {
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.flow-node-accent {
  background: linear-gradient(180deg, rgba(229, 236, 247, 0.95), rgba(244, 247, 252, 0.94));
}

.article-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.article-panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.article-panel h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.article-panel p,
.article-panel li {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.article-panel ul {
  margin: 0;
  padding-left: 18px;
}

.article-panel li + li {
  margin-top: 6px;
}

.article-panel .button-row {
  margin-top: 14px;
}

.post-links {
  margin-top: 34px;
}

.post-links-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.post-link-card {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.post-link-card:hover {
  text-decoration: none;
  border-color: rgba(59, 79, 134, 0.26);
  transform: translateY(-1px);
}

.post-link-label {
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.post-link-title {
  color: #152338;
  font-family: var(--serif);
  font-size: 1.12rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.post-link-note {
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 18px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.back-link:hover {
  color: var(--ink);
  text-decoration: none;
}

.cv-grid {
  display: grid;
  gap: 18px;
}

.cv-panel h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.cv-list {
  display: grid;
  gap: 12px;
}

.cv-row {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.cv-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.cv-row .entry-date {
  white-space: nowrap;
}

.footer {
  padding: 20px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--ink-muted);
}

.footer a:hover {
  color: var(--ink);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 980px) {
  .page-hero,
  .story-grid,
  .work-grid,
  .topic-grid,
  .page-grid,
  .article-wrap {
    grid-template-columns: 1fr;
  }

  .page-hero .hero-side {
    order: -1;
    width: min(100%, 320px);
    justify-self: center;
  }

  .page-side,
  .article-aside {
    order: 2;
  }

  .flow-strip {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .site-shell {
    width: min(var(--max-width), calc(100% - 24px));
  }

  .site-nav {
    position: relative;
    min-height: 66px;
    flex-wrap: nowrap;
    align-items: center;
    padding: 10px 0 12px;
  }

  #progress {
    top: 66px;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.76);
    box-shadow: 0 12px 28px rgba(20, 31, 61, 0.08);
  }

  .site-nav nav {
    width: auto;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    z-index: 120;
    padding: 10px;
    border: 1px solid rgba(130, 144, 176, 0.22);
    border-radius: 22px;
    background: rgba(246, 247, 250, 0.96);
    box-shadow: 0 18px 48px rgba(20, 31, 61, 0.12);
    backdrop-filter: blur(12px);
    justify-content: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    justify-content: flex-start;
    padding: 11px 14px;
    white-space: normal;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.88);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  main {
    padding: 42px 0 76px;
  }

  .hero-title,
  .page-title {
    font-size: clamp(2.25rem, 11vw, 3.2rem);
  }

  .hero-summary,
  .page-summary {
    font-size: 0.98rem;
    margin-top: 14px;
  }

  .page-hero {
    gap: 22px;
    margin-bottom: 40px;
  }

  .section-card,
  .feature-work,
  .entry-card,
  .publication-card,
  .cv-panel,
  .proof-card,
  .writing-card {
    padding: 22px;
  }

  .support-work {
    padding: 14px;
  }

  .section-block {
    margin-bottom: 40px;
  }

  .section-heading {
    margin-bottom: 14px;
  }

  .timeline-card {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .entry-topline,
  .cv-row,
  .section-heading,
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .entry-topline .entry-date,
  .cv-row .entry-date {
    white-space: normal;
  }

  .article {
    min-width: 0;
  }

  .article h1 {
    font-size: clamp(1.95rem, 9vw, 2.6rem);
    line-height: 1.08;
  }

  .article h2 {
    font-size: 1.26rem;
    margin-top: 26px;
  }

  .article-meta {
    margin-top: 8px;
  }

  .article pre {
    padding: 14px;
    font-size: 0.84rem;
    border-radius: 16px;
  }

  .artifact-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    border-radius: 16px;
  }

  .artifact-table th,
  .artifact-table td {
    padding: 12px 12px;
    font-size: 0.88rem;
  }

  .mini-figure {
    padding: 14px;
    border-radius: 18px;
  }

  .code-toolbar {
    padding: 11px 12px;
  }

  .code-label,
  .code-copy {
    font-size: 0.7rem;
  }

  .post-links-grid {
    grid-template-columns: 1fr;
  }

  .flow-node {
    padding: 14px;
  }

  .metrics-strip,
  .tags {
    gap: 8px;
  }

  .metric-pill,
  .tag {
    max-width: 100%;
  }

  .proof-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .hero-actions,
  .button-row {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .button-secondary {
    width: 100%;
  }

  .site-brand {
    max-width: calc(100vw - 82px);
  }

  .site-shell {
    width: calc(100% - 20px);
  }

  .page-hero .hero-side {
    width: min(100%, 280px);
  }

  .portrait-card {
    border-radius: 20px;
  }

  .section-card,
  .feature-work,
  .entry-card,
  .publication-card,
  .cv-panel,
  .proof-card,
  .writing-card,
  .article-panel {
    border-radius: 18px;
  }

  .feature-work,
  .entry-card,
  .publication-card,
  .cv-panel,
  .proof-card,
  .writing-card,
  .article-panel {
    padding: 18px;
  }
}