:root {
  --font-sans: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Newsreader", Georgia, serif;
  --base-font-size: 17px;
  --paper: rgb(252, 250, 240);
  --paper-soft: rgb(252, 250, 240);
  --surface: rgba(255, 255, 255, 0.72);
  --ink: #171717;
  --ink-soft: #4f5257;
  --accent: #7d1f26;
  --accent-deep: #5e1319;
  --link: #0b4e96;
  --border: rgba(23, 23, 23, 0.12);
  --border-strong: rgba(23, 23, 23, 0.22);
  --shadow: 0 16px 36px rgba(23, 23, 23, 0.05);
  --content-width: 1480px;
  --layout-gap: 1.5rem;
  --masthead-clearance: 5.75rem;
  --radius: 0;
}

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

html {
  font-size: var(--base-font-size);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--masthead-clearance) + 1rem);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(125, 31, 38, 0.035), transparent 11rem),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-soft) 100%);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-frame {
  width: min(75vw, var(--content-width));
  margin: 0 auto;
  padding-bottom: 3rem;
}

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  padding-top: 1rem;
  background:
    linear-gradient(180deg, rgba(252, 250, 240, 0.98), rgba(252, 250, 240, 0.94));
  backdrop-filter: blur(8px);
}

.masthead-rule {
  height: 12px;
  background:
    linear-gradient(
      to right,
      var(--accent) 0 9%,
      transparent 9% 11%,
      var(--accent) 11% 100%
    );
}

.masthead-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 0.5rem;
  border-bottom: 1px solid var(--border);
}

.masthead-tools,
.text-controls {
  display: inline-flex;
  align-items: center;
}

.masthead-tools {
  gap: 0.85rem;
}

.text-controls {
  gap: 0.4rem;
}

.text-size-button {
  min-width: 2.55rem;
  min-height: 2.1rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

.text-size-button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.text-size-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.kicker,
.issue-meta,
.rail-label,
.section-kicker,
.chart-label,
.timeline-meta,
.experience-meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.kicker,
.section-kicker {
  color: var(--accent);
}

.top-tagline {
  max-width: 72rem;
  margin: 0;
  padding: 0.95rem 0 0.1rem;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink);
}

.layout {
  display: grid;
  grid-template-areas: "left content right";
  grid-template-columns:
    minmax(0, calc((100% - (2 * var(--layout-gap))) * 0.2))
    minmax(0, calc((100% - (2 * var(--layout-gap))) * 0.6))
    minmax(0, calc((100% - (2 * var(--layout-gap))) * 0.2));
  gap: var(--layout-gap);
  padding-top: 1.3rem;
  align-items: start;
}

.left-rail,
.experience-rail {
  min-width: 0;
  position: sticky;
  top: calc(var(--masthead-clearance) + 0.5rem);
  align-self: start;
  height: fit-content;
}

.left-rail {
  grid-area: left;
}

.content {
  grid-area: content;
  min-width: 0;
}

.left-rail-inner,
.experience-rail-inner {
  display: grid;
  gap: 1rem;
}

.employment-slot {
  display: none;
}

.employment-slot.is-active {
  display: block;
}

.left-rail,
.experience-rail {
  font-size: 0.88em;
}

.experience-rail {
  grid-area: right;
}

.experience-rail.is-empty {
  display: none;
}

.identity-card,
.nav-card,
.experience-card {
  padding: 1rem;
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.identity-header {
  display: grid;
  justify-items: center;
  gap: 0.8rem;
  align-items: start;
}

.portrait-compact {
  width: 86px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: #fff;
}

.portrait-compact img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.identity-copy {
  min-width: 0;
  display: grid;
  gap: 0.22rem;
  justify-items: center;
  text-align: center;
}

.identity-name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 1.55vw, 1.55rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.identity-credentials {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.identity-summary {
  margin: 0.1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.35;
}

.toc {
  display: grid;
  gap: 0;
  margin-top: 0.7rem;
}

.toc-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  padding: 0.56rem 0;
  border-top: 1px solid var(--border);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
}

.toc-link::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--border-strong);
  transition: width 160ms ease, background 160ms ease;
}

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

.toc-link:hover::before,
.toc-link.is-active::before {
  width: 28px;
  background: var(--accent);
}

.content {
  min-height: 100vh;
  font-size: 0.8em;
}

.section {
  padding: 1.75rem 0;
  border-top: 1px solid var(--border);
}

.section:first-child {
  padding-top: 0.35rem;
  border-top: 0;
}

.section-toggle {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 1rem;
  width: 100%;
  padding: 0.1rem 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.section-toggle-text {
  display: grid;
  gap: 0.28rem;
}

.section-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.95rem, 2.5vw, 2.7rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.section-toggle-icon {
  color: var(--accent);
  font-size: 1.65rem;
  line-height: 1;
  transform: translateY(0.2rem);
}

.section-body {
  padding-top: 1.15rem;
}

.section-body.is-collapsed {
  display: none;
}

.content .section-kicker,
.content .chart-label,
.content .timeline-meta {
  font-size: 0.624rem;
}

.content .section-title {
  font-size: clamp(1.3rem, 1.7vw, 1.8rem);
}

.content .section-toggle-icon {
  font-size: 1.32rem;
}

.content .hero-lede,
.content .section-intro {
  font-size: 0.816rem;
}

.content .hero-tags span {
  font-size: 0.736rem;
}

.content .button-link {
  font-size: 0.672rem;
}

.content .publication-bar-count,
.content .publication-bar-year {
  font-size: 0.672rem;
}

.content .citation-journal,
.content .contribution-venue {
  font-size: 0.76rem;
}

.content .meta-chip {
  font-size: 0.592rem;
}

.content .citation-title,
.content .contribution-title,
.content .education-card h3 {
  font-size: 1.24rem;
}

.content .citation-links a,
.content .contribution-links a {
  font-size: 0.736rem;
}

.hero-copy {
  width: 100%;
}

.hero-lede,
.section-intro {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.7;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.hero-tags span {
  padding: 0.34rem 0.58rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.15rem;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

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

.button-link-secondary {
  border-color: var(--border-strong);
  color: var(--ink);
}

.button-link-secondary:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.publication-chart-shell {
  margin-bottom: 1.5rem;
  padding: 1rem 0 1.15rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.publication-chart {
  display: grid;
  grid-template-columns: repeat(var(--publication-year-count, 1), minmax(0, 1fr));
  align-items: end;
  gap: clamp(0.18rem, 0.7vw, 0.45rem);
}

.publication-bar-group {
  appearance: none;
  border: 0;
  padding: 0;
  background: transparent;
  display: grid;
  gap: 0.45rem;
  justify-items: center;
  cursor: pointer;
  min-width: 0;
}

.publication-bar-track {
  display: flex;
  align-items: end;
  width: 100%;
  height: 220px;
  border-bottom: 1px solid var(--border);
}

.publication-bar {
  width: 100%;
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  transition: transform 160ms ease, filter 160ms ease;
}

.publication-bar-group:hover .publication-bar,
.publication-bar-group:focus-visible .publication-bar {
  transform: translateY(-0.2rem);
  filter: brightness(1.04);
}

.publication-bar-count,
.publication-bar-year {
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.publication-list,
.contribution-list {
  display: grid;
  gap: 1rem;
}

.citation-card,
.contribution-card {
  display: grid;
  gap: 0.55rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  transition: background 180ms ease, padding 180ms ease, margin 180ms ease;
}

.citation-card:first-child,
.contribution-card:first-child {
  border-top: 0;
}

.citation-card.is-targeted {
  margin-inline: -0.8rem;
  padding-inline: 0.8rem;
  background: rgba(125, 31, 38, 0.05);
}

.citation-meta,
.contribution-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  align-items: center;
}

.citation-meta p,
.contribution-meta p {
  margin: 0;
}

.citation-journal,
.contribution-venue {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.5;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0.16rem 0.5rem;
  border: 1px solid var(--border);
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.6);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.citation-title,
.contribution-title,
.education-card h3,
.experience-entry h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.015em;
}

.citation-title,
.contribution-title {
  font-size: 1.55rem;
}

.citation-authors,
.contribution-credit,
.contribution-description {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.62;
}

.citation-links,
.contribution-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.citation-links a,
.contribution-links a {
  font-size: 0.92rem;
  font-weight: 600;
}

.skills-bullets {
  margin: 0;
  padding-left: 1.15rem;
  columns: 2;
  column-gap: 2.5rem;
}

.skills-bullets li {
  margin-bottom: 0.4rem;
  break-inside: avoid;
  line-height: 1.6;
}

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

.education-item {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  counter-increment: education;
}

.education-item:first-child {
  border-top: 0;
}

.education-item::before {
  content: counter(education, decimal-leading-zero);
  color: var(--accent);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.education-card {
  display: grid;
  gap: 0.28rem;
}

.education-card h3 {
  font-size: 1.55rem;
}

.education-card p {
  margin: 0;
}

.education-duration,
.experience-duration {
  color: var(--ink-soft);
}

.experience-list {
  display: grid;
  gap: 0;
  margin-top: 0;
}

.experience-card-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0;
}

.experience-card-header .rail-label {
  margin: 0;
}

.experience-collapse-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  padding: 0;
  border: 0;
  appearance: none;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
}

.experience-collapse-icon {
  color: var(--accent);
  font-size: 1.4rem;
  line-height: 1;
}

.experience-panel-body {
  padding-top: 0.8rem;
}

.experience-panel-body.is-collapsed {
  display: none;
}

.experience-entry {
  display: grid;
  gap: 0.32rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--border);
}

.experience-entry:first-child {
  border-top: 0;
  padding-top: 0.15rem;
}

.experience-entry h3 {
  font-size: 1.08rem;
}

.experience-meta {
  color: var(--accent);
}

.experience-duration,
.experience-status {
  margin: 0;
}

.experience-duration {
  font-size: 0.88rem;
}

.experience-status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 1.7rem;
  padding: 0.1rem 0.45rem;
  background: rgba(125, 31, 38, 0.08);
  color: var(--accent);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-footer {
  display: flex;
  justify-content: flex-end;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 1600px) {
  .layout {
    grid-template-areas: "left content";
    grid-template-columns: minmax(240px, 28%) minmax(0, 1fr);
  }

  .experience-rail {
    position: static;
  }
}

@media (max-width: 1100px) {
  .layout {
    grid-template-areas:
      "left"
      "content";
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .left-rail,
  .nav-card {
    position: static;
  }

  .identity-card,
  .nav-card,
  .experience-card {
    box-shadow: none;
  }

  .nav-card {
    padding-bottom: 0.7rem;
  }

  .toc {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    gap: 1rem;
  }

  .toc-link {
    width: fit-content;
    border-top: 0;
    padding: 0.4rem 0 0.55rem;
    border-bottom: 1px solid transparent;
  }

  .toc-link:hover,
  .toc-link.is-active {
    border-bottom-color: var(--accent);
  }
}

@media (max-width: 760px) {
  .page-frame {
    width: 100%;
    padding: 0 0.75rem 3rem;
  }

  .masthead,
  .masthead-row,
  .masthead-tools,
  .layout,
  .left-rail,
  .left-rail-inner,
  .content,
  .identity-card,
  .nav-card,
  .experience-card,
  .section,
  .hero-copy,
  .publication-chart-shell {
    width: 100%;
    min-width: 0;
  }

  .masthead-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .masthead-tools {
    width: 100%;
    justify-content: space-between;
  }

  .toc {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    overflow-x: visible;
    gap: 0;
  }

  .toc-link {
    width: 100%;
    padding: 0.56rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 0;
  }

  .toc-link:hover,
  .toc-link.is-active {
    border-bottom-color: transparent;
  }

  .top-tagline {
    font-size: 0.96rem;
  }

  .identity-name {
    font-size: 1.7rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .citation-title,
  .contribution-title,
  .education-card h3 {
    font-size: 1.35rem;
  }

  .skills-bullets {
    columns: 1;
  }

  .education-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .publication-chart {
    gap: 0.18rem;
  }

  .publication-bar-group {
    gap: 0.3rem;
  }

  .publication-bar-track {
    height: 180px;
  }

  .publication-bar-count,
  .publication-bar-year {
    font-size: 0.64rem;
  }

  .page-footer {
    justify-content: flex-start;
  }
}

@media print {
  body {
    background: #fff;
  }

  .left-rail,
  .experience-rail,
  .hero-actions {
    display: none;
  }

  .section,
  .page-footer {
    break-inside: avoid;
  }
}