:root {
  --bg: #e9e1c9;
  --bg-alt: #efe8d4;
  --card: #f3eddb;
  --ink: #28302d;
  --body-color: #4b4b43;
  --muted: #777365;
  --navy: #173c4a;
  --navy-dark: #10303c;
  --accent: #d84a3f;
  --accent-soft: rgba(216, 74, 63, .1);
  --green: #256140;
  --green-soft: rgba(37, 97, 64, .12);
  --line: #d9d1ba;
  --line-strong: #c3ba9e;
  --content: 1120px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(40, 48, 45, .06);
  --shadow-md: 0 1px 2px rgba(40, 48, 45, .05), 0 12px 32px -12px rgba(40, 48, 45, .16);
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--body-color);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--accent); color: #fff; }
a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
button { color: inherit; font-family: inherit; }
h1, h2, h3 { color: var(--ink); letter-spacing: -0.015em; }
main > section { max-width: var(--content); margin-inline: auto; padding-inline: var(--gutter); }
.site-header, footer { padding-inline: max(var(--gutter), calc((100% - var(--content)) / 2 + var(--gutter))); }
.skip-link { position: fixed; top: -100px; left: 1rem; z-index: 200; background: var(--ink); color: #fff; padding: .7rem 1rem; border-radius: var(--radius-sm); }
.skip-link:focus { top: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(233, 225, 201, .88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.wordmark {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--navy);
  text-decoration: none;
}
.wordmark:hover { text-decoration: none; color: var(--accent); }
.wordmark span { color: var(--accent); }
nav { display: flex; gap: clamp(1rem, 2.5vw, 2rem); align-items: center; font-size: .9rem; font-weight: 500; }
nav a { color: var(--body-color); text-decoration: none; padding: .35rem 0; }
nav a:hover { color: var(--ink); text-decoration: none; }
.cv-link {
  background: var(--navy);
  color: #fff;
  border: 1px solid var(--navy);
  border-radius: var(--radius-sm);
  padding: .55rem 1.05rem;
  font: 500 .875rem var(--sans);
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease;
}
.cv-link:hover { background: var(--navy-dark); border-color: var(--navy-dark); }
.menu-toggle { display: none; }

/* ---------- Shared section scaffolding ---------- */
.section-grid { padding-block: clamp(3.5rem, 7vw, 5.5rem); }
.section-grid + .section-grid { border-top: 1px solid var(--line); }
.section-index {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin-bottom: 2.25rem;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .09em;
}
.section-index span { color: var(--accent); font-variant-numeric: tabular-nums; }
.section-index p { margin: 0; color: var(--ink); }
.section-index::after { content: ""; flex: 1; height: 1px; background: var(--line); align-self: center; }
.section-content { min-width: 0; }
.eyebrow {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--accent);
  margin: 0 0 .75rem;
}

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
}
.hero-name {
  margin: 0 0 .75rem;
  font-size: clamp(2.5rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.hero .eyebrow { margin-bottom: 1.25rem; }
.hero-about { max-width: 620px; margin: 0 0 1rem; font-size: 1.1rem; line-height: 1.7; }
.hero-about strong { color: var(--ink); font-weight: 600; }
.hero-about em { color: var(--accent); font-style: normal; font-weight: 600; }
.hero-about a { font-weight: 500; }
.intro { max-width: 620px; margin: 0; font-size: 1.1rem; line-height: 1.7; }
.intro strong { color: var(--ink); font-weight: 600; }
.social-links { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }
.social-links a {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--ink);
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: border-color .18s ease, background .18s ease;
}
.social-links a:hover { border-color: var(--navy); background: var(--bg-alt); text-decoration: none; }
.social-links svg { width: 16px; height: 16px; fill: var(--navy); }
.portrait-wrap { width: min(100%, 340px); justify-self: end; }
.portrait-frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.portrait-note {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1rem;
  padding: .4rem .85rem;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: .8rem;
  font-weight: 600;
}
.portrait-note span { width: 8px; height: 8px; background: var(--green); border-radius: 50%; }

/* ---------- Buttons ---------- */
.button {
  display: inline-block;
  padding: .65rem 1.25rem;
  border-radius: var(--radius-sm);
  font: 500 .9rem var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease;
}
.button.primary { background: var(--navy); color: #fff; border: 1px solid var(--navy); }
.button.primary:hover { background: var(--navy-dark); border-color: var(--navy-dark); }

/* ---------- Publications ---------- */
.publication {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.1rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, border-color .2s ease;
}
.publication:hover { box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.publication + .publication { margin-top: .6rem; }
.pub-year {
  font-size: .9rem;
  font-weight: 600;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
  padding-top: .15rem;
}
.pub-venue {
  margin: 0 0 .3rem;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--accent);
}
.publication h3 { font-size: 1.05rem; font-weight: 600; line-height: 1.35; margin: 0 0 .3rem; }
.publication p { margin: 0; font-size: .9rem; line-height: 1.5; color: var(--muted); }
.publication p strong { color: var(--ink); font-weight: 600; }
.pub-links { display: flex; gap: .5rem; margin-top: .7rem; }
.pub-links a {
  padding: .25rem .7rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--navy);
  transition: border-color .18s ease, background .18s ease;
}
.pub-links a:hover { text-decoration: none; border-color: var(--navy); background: var(--bg-alt); }
.all-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: 1rem 1.75rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  transition: border-color .18s ease, background .18s ease;
}
.all-link:hover { text-decoration: none; border-color: var(--navy); background: var(--bg-alt); }
.all-link span { color: var(--accent); font-weight: 600; white-space: nowrap; }

/* ---------- Timeline (experience & education) ---------- */
.timeline { position: relative; }
.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: .35rem 2.5rem;
  padding: 1.6rem 0 1.6rem 1.75rem;
  border-left: 2px solid var(--line);
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 2.15rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.timeline-item time {
  grid-column: 1;
  font-size: .82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  padding-top: .3rem;
  font-variant-numeric: tabular-nums;
}
.timeline-item > div, .timeline-item > p, .timeline-item > details { grid-column: 2; }
.timeline-item h3 { font-size: 1.15rem; font-weight: 600; margin: 0; }
.timeline-item p { margin: .25rem 0 0; font-size: .95rem; color: var(--muted); }
.timeline-item div a { color: var(--accent); font-weight: 500; }
.experience-details { margin-top: .85rem; }
.experience-details summary {
  width: fit-content;
  cursor: pointer;
  color: var(--accent);
  font-size: .85rem;
  font-weight: 600;
  list-style: none;
}
.experience-details summary:hover { text-decoration: underline; text-underline-offset: 3px; }
.experience-details summary::-webkit-details-marker { display: none; }
.experience-details summary::before { content: "+"; display: inline-block; margin-right: .5rem; }
.experience-details[open] summary::before { content: "−"; }
.experience-details-body { padding-top: .75rem; font-size: .95rem; line-height: 1.65; }
.experience-details-body > p { margin: 0; color: var(--body-color); }
.experience-details ul { margin: .75rem 0 0; padding-left: 1.2rem; color: var(--body-color); }
.experience-details li { margin-bottom: .4rem; }
.cv-bottom { margin-top: 2rem; margin-left: 1.75rem; }

/* ---------- Writing & projects (home) ---------- */
.writing-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.75rem; }
.writing-head h2 { font-size: 1.6rem; font-weight: 650; margin: 0; }
.writing-head a { font-size: .9rem; font-weight: 500; }
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.project-card-grid { grid-template-columns: minmax(0, 1fr); }
.post {
  display: flex;
  flex-direction: column;
  min-height: 240px;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
}
.post:hover { text-decoration: none; box-shadow: var(--shadow-md); border-color: var(--line-strong); transform: translateY(-2px); }
.post-number { font-size: .8rem; font-weight: 600; color: var(--accent); letter-spacing: .04em; margin-bottom: 1.1rem; }
.post-meta { font-size: .8rem; font-weight: 500; color: var(--muted); }
.post h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.35; margin: .5rem 0; }
.post p { margin: 0 0 1rem; font-size: .95rem; color: var(--muted); }
.read { margin-top: auto; font-size: .875rem; font-weight: 600; color: var(--accent); }

/* ---------- Subpages: blog & projects ---------- */
.subpage-nav { margin-left: auto; }
.blog-header, .projects-intro {
  max-width: var(--content);
  margin-inline: auto;
  padding: clamp(3.5rem, 7vw, 5.5rem) var(--gutter) clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line);
}
.blog-header h1, .projects-intro h1 {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: .25rem 0 1rem;
}
.blog-header h1 em, .projects-intro h1 em { color: var(--accent); font-style: normal; }
.blog-list { max-width: var(--content); margin-inline: auto; padding: 0 var(--gutter) 5rem; }
.blog-entry {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2.5rem;
  padding: 2.75rem 0;
  border-bottom: 1px solid var(--line);
}
.blog-entry time, .article-meta { font-size: .82rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.blog-entry time { padding-top: .35rem; }
.blog-entry h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 650; line-height: 1.25; margin: .5rem 0 .75rem; max-width: 800px; }
.blog-entry h2 a { color: inherit; }
.blog-entry h2 a:hover { color: var(--accent); text-decoration: none; }
.blog-entry p { max-width: 680px; margin: 0 0 1rem; font-size: 1rem; color: var(--body-color); }
.tag { font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--accent); }
.article-view { max-width: 780px; margin: 0 auto; padding: 3rem var(--gutter) 6rem; }
.article-back { font-size: .875rem; font-weight: 500; }
.article-view > header { margin: 2.5rem 0; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
.article-view h1 { font-size: clamp(2.1rem, 5vw, 3rem); line-height: 1.12; font-weight: 700; letter-spacing: -0.025em; margin: .75rem 0 1.25rem; }
.article-deck { max-width: 680px; font-size: 1.15rem; line-height: 1.6; color: var(--body-color); margin: 0 0 1.25rem; }
.article-body { font-size: 1.05rem; line-height: 1.75; }
.article-body h2 { font-size: 1.7rem; line-height: 1.25; font-weight: 650; margin: 2.75rem 0 1rem; }
.article-body h3 { font-size: 1.3rem; font-weight: 600; margin-top: 2.25rem; }
.article-body img { display: block; max-width: 100%; margin: 2rem auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.article-body blockquote {
  margin: 2rem 0;
  padding: .25rem 0 .25rem 1.35rem;
  border-left: 3px solid var(--accent);
  color: var(--ink);
  font-size: 1.15rem;
}
.article-body pre {
  overflow-x: auto;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-sm);
  background: var(--navy-dark);
  color: #e6eef2;
  font: 400 13px/1.6 var(--mono);
}
.article-body code { font-family: var(--mono); font-size: .88em; }
.article-body :not(pre) > code { background: var(--bg-alt); border: 1px solid var(--line); border-radius: 4px; padding: .1em .35em; }
.projects-intro .intro { max-width: 640px; }
.project-placeholder {
  max-width: var(--content);
  margin: clamp(2.5rem, 5vw, 4rem) auto 5rem;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}
.project-placeholder > span { display: none; }
.project-placeholder > div {
  padding: 2.5rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-alt);
}
.project-placeholder h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 650; line-height: 1.25; margin: .6rem 0; }
.project-placeholder p { max-width: 620px; margin: 0; color: var(--muted); }
.project-placeholder .tag { display: inline-block; }
.project-mark { display: none; }

/* ---------- Footer ---------- */
footer {
  background: var(--navy);
  color: #ffffff;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding-block: 2rem 1.25rem;
}
@media (min-width: 851px) {
  footer { grid-template-columns: 1fr 1fr; align-items: start; }
  .footer-contact { text-align: right; }
  .footer-links { justify-content: flex-end; }
}
.footer-name { font-size: 1.15rem; font-weight: 600; color: #f3eddb; margin: 0 0 .5rem; }
footer p { color: #b9b8a9; margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; font-size: .875rem; font-weight: 500; }
.footer-links a { color: #ddd8c4; }
.footer-links a:hover { color: #fff; }
.copyright { grid-column: 1 / -1; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(243, 237, 219, .15); font-size: .8rem; color: #9a988a; }

/* ---------- CV modal ---------- */
.cv-modal {
  width: min(1050px, 94vw);
  height: 92vh;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 64px rgba(15, 28, 38, .35);
}
.cv-modal::backdrop { background: rgba(14, 27, 36, .6); backdrop-filter: blur(4px); }
.modal-bar {
  height: 52px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.25rem;
  background: var(--navy-dark);
  color: #fff;
  font-size: .875rem;
  font-weight: 500;
}
.modal-bar div { display: flex; align-items: center; gap: 1.25rem; }
.modal-bar a { color: #cfdde5; font-size: .85rem; }
.modal-bar a:hover { color: #fff; }
.modal-bar button { color: #fff; border: 0; background: transparent; font-size: 24px; line-height: 1; cursor: pointer; padding: .25rem; }
.cv-modal iframe { width: 100%; height: calc(100% - 52px); border: 0; background: #fff; }

/* ---------- Reveal (progressive enhancement, JS only) ---------- */
html.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
html.js .reveal.visible { opacity: 1; transform: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- Responsive ---------- */
@media (max-width: 850px) {
  .site-header-inner { height: 60px; }
  .menu-toggle {
    display: block;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: transparent;
    padding: .45rem .9rem;
    font: 500 .85rem var(--sans);
    cursor: pointer;
  }
  nav {
    display: none;
    position: absolute;
    left: var(--gutter);
    right: var(--gutter);
    top: calc(60px + .5rem);
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: .75rem;
    flex-direction: column;
    align-items: stretch;
    gap: .1rem;
  }
  nav.open { display: flex; }
  nav a { padding: .6rem .75rem; border-radius: var(--radius-sm); }
  nav a:hover { background: var(--bg-alt); }
  nav .cv-link { margin-top: .5rem; text-align: center; }
  nav.subpage-nav { display: flex; position: static; flex-direction: row; padding: 0; border: 0; background: transparent; box-shadow: none; }
  .hero { grid-template-columns: 1fr; }
  .portrait-wrap { display: none; }
  .publication { grid-template-columns: 1fr; gap: .25rem; padding: 1rem 1.1rem; }
  .pub-year { padding-top: 0; }
  .timeline-item { grid-template-columns: 1fr; gap: .3rem; padding-left: 1.4rem; }
  .timeline-item time, .timeline-item > div, .timeline-item > p, .timeline-item > details { grid-column: 1; }
  .timeline-item time { padding-top: 0; }
  .cv-bottom { margin-left: 1.4rem; }
  .post-grid { grid-template-columns: 1fr; }
  .blog-entry { grid-template-columns: 1fr; gap: .75rem; padding-block: 2.25rem; }
  .blog-entry time { padding-top: 0; }
  footer { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hero { padding-block: 3rem; }
  .hero-about, .intro { font-size: 1.02rem; }
  .social-links a { flex: 1; justify-content: center; }
  .writing-head { flex-wrap: wrap; }
  .project-placeholder > div { padding: 1.75rem; }
  nav.subpage-nav { gap: 1rem; font-size: .85rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}