:root {
  --paper: #fbfaf7;
  --ink: #252a2d;
  --muted: #687078;
  --line: #d9dedf;
  --accent: #8e3329;
  --jade: #55756c;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
  --shell: min(100% - 3rem, 980px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-color: var(--accent) var(--paper); }
body.home-page { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 15px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
body.home-page a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: .18em; }
body.home-page a:hover, body.home-page a:focus-visible { color: #5f211b; }
::selection { color: var(--paper); background: var(--accent); }

.skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 20; padding: .45rem .7rem; color: var(--paper) !important; background: var(--ink); font-size: .78rem; transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.scroll-progress { position: fixed; inset: 0 0 auto; z-index: 30; height: 2px; pointer-events: none; }
.scroll-progress span { display: block; width: 0; height: 100%; background: var(--accent); }

.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(251,250,247,.94); backdrop-filter: blur(8px); }
.site-header.is-compact { box-shadow: 0 4px 18px rgba(37,42,45,.04); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; width: var(--shell); min-height: 4.2rem; margin: auto; }
.site-name { display: inline-flex; align-items: center; color: var(--ink) !important; font-family: var(--serif); font-size: 1.12rem; font-weight: 600; letter-spacing: -.01em; text-decoration: none !important; }
.site-name::before { width: .52rem; height: .52rem; margin-right: .58rem; background: var(--accent); content: ""; }
.site-menu { display: flex; align-items: center; gap: 1.25rem; }
.site-menu a { color: var(--muted) !important; font-family: var(--mono); font-size: .64rem; letter-spacing: .04em; text-decoration: none !important; text-transform: uppercase; }
.site-menu a:hover, .site-menu a:focus-visible { color: var(--accent) !important; }
.menu-toggle { display: none; border: 0; color: var(--muted); background: none; cursor: pointer; font-family: var(--mono); font-size: .66rem; letter-spacing: .05em; text-transform: uppercase; }
.menu-toggle i { display: inline-block; position: relative; width: 1rem; height: 1px; margin-left: .45rem; background: currentColor; vertical-align: .2em; }
.menu-toggle i::after { position: absolute; top: .3rem; left: 0; width: 100%; height: 1px; background: currentColor; content: ""; }

.site-main { width: var(--shell); margin: auto; }
.profile { display: grid; grid-template-columns: minmax(0, 1fr) 145px; gap: clamp(2rem, 8vw, 5.5rem); align-items: start; padding: 4.75rem 0 4rem; }
.profile__copy { max-width: 42rem; }
.eyebrow { margin: 0 0 1.15rem; color: var(--jade); font-family: var(--mono); font-size: .64rem; letter-spacing: .06em; text-transform: uppercase; }
.profile h1 { margin: 0; color: var(--ink); font-family: var(--serif); font-size: clamp(3rem, 7vw, 5.1rem); font-weight: 500; letter-spacing: -.055em; line-height: 1; }
.profile__lead { max-width: 37rem; margin: 1.5rem 0 1.2rem; color: var(--ink); font-family: var(--serif); font-size: clamp(1.15rem, 2vw, 1.42rem); line-height: 1.45; }
.profile__copy > p:not(.eyebrow):not(.profile__lead) { max-width: 40rem; margin: 0 0 1.05rem; color: var(--muted); }
.profile__links { display: flex; flex-wrap: wrap; gap: .25rem 1.1rem; margin-top: 1.7rem !important; font-family: var(--mono); font-size: .67rem; }
.profile__links a { color: var(--accent); }
.profile__links a:not(:last-child)::after { margin-left: 1.1rem; color: var(--line); content: "/"; }
.profile__photo { width: 145px; margin: .25rem 0 0; }
.profile__photo img { display: block; width: 100%; height: auto; aspect-ratio: auto; border: 1px solid var(--line); background: #f2efe8; object-fit: contain; filter: saturate(.96); }
.profile__photo figcaption { margin-top: .55rem; color: var(--muted); font-family: var(--mono); font-size: .61rem; letter-spacing: .04em; text-align: center; text-transform: uppercase; }

.content-section { padding: 2.85rem 0 3.25rem; border-top: 1px solid var(--line); scroll-margin-top: 5rem; }
.content-section h2 { margin: 0 0 1.15rem; color: var(--ink); font-family: var(--serif); font-size: 1.62rem; font-weight: 500; letter-spacing: -.025em; line-height: 1.2; }
.content-section > p { max-width: 44rem; margin: 0 0 1.2rem; color: var(--muted); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1.5rem; }
.section-heading > a { font-family: var(--mono); font-size: .65rem; }

.focus-list { display: grid; gap: 0; margin: 1.6rem 0 0; padding: 0; list-style: none; }
.focus-list li { display: grid; grid-template-columns: minmax(11rem, 16rem) 1fr; gap: 1.5rem; padding: .9rem 0; border-top: 1px solid var(--line); }
.focus-list li:last-child { border-bottom: 1px solid var(--line); }
.focus-list strong { color: var(--ink); font-family: var(--serif); font-size: 1.05rem; font-weight: 500; }
.focus-list span { color: var(--muted); font-size: .9rem; line-height: 1.65; }

.education-list { max-width: 45rem; }
.education-row { display: grid; grid-template-columns: 6.8rem 1fr; gap: 1.2rem; padding: .78rem 0; border-top: 1px solid var(--line); }
.education-row:last-child { border-bottom: 1px solid var(--line); }
.education-row > span, .publication-list > li > span { color: var(--jade); font-family: var(--mono); font-size: .65rem; letter-spacing: .02em; }
.education-row p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.55; }
.education-row strong { color: var(--ink); font-weight: 600; }

.publication-list { display: grid; gap: 0; max-width: 52rem; margin: .35rem 0 0; padding: 0; list-style: none; }
.publication-list > li { display: grid; grid-template-columns: 7.4rem 1fr; gap: 1rem; padding: .86rem 0; border-top: 1px solid var(--line); }
.publication-list > li:last-child { border-bottom: 1px solid var(--line); }
.publication-list p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.6; }
.publication-list strong { color: var(--ink); font-weight: 600; }
.publication-list a { white-space: nowrap; }

.notes-section > p { max-width: 42rem; }
.notes-callout { display: grid; grid-template-columns: 10rem 1fr auto; gap: 1rem 1.5rem; align-items: baseline; max-width: 52rem; margin-top: 1.6rem; padding: 1rem 1.15rem; border-left: 3px solid var(--accent); background: #f3efe7; }
.notes-callout strong { font-family: var(--serif); font-size: 1.05rem; font-weight: 500; }
.notes-callout span { color: var(--muted); font-size: .84rem; }
.notes-callout a { font-family: var(--mono); font-size: .64rem; white-space: nowrap; }

.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; max-width: 46rem; }
.service-grid h3 { margin: 0 0 .5rem; color: var(--ink); font-family: var(--serif); font-size: 1.05rem; font-weight: 500; }
.service-grid p { margin: 0 0 .85rem; color: var(--muted); font-size: .87rem; line-height: 1.65; }
.service-grid .muted { color: var(--muted); font-size: .8rem; }

.contact-section { padding-bottom: 4.2rem; }
.contact-email { display: inline-block; margin: .55rem 0 2.1rem; color: var(--accent); font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.1rem); text-decoration: none; }
.visit-counter { display: flex; gap: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.visit-counter > div { display: flex; align-items: baseline; gap: .55rem; }
.visit-counter strong { color: var(--ink); font-family: var(--mono); font-size: .92rem; font-weight: 500; }
.visit-counter span { color: var(--muted); font-family: var(--mono); font-size: .61rem; letter-spacing: .03em; text-transform: uppercase; }

.site-footer { display: flex; justify-content: space-between; width: var(--shell); margin: auto; padding: 1.4rem 0 2.4rem; border-top: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: .61rem; letter-spacing: .03em; }
.site-footer > div { display: flex; flex-wrap: wrap; gap: 1.3rem; }

@media (max-width: 700px) {
  :root { --shell: min(100% - 2rem, 980px); }
  .site-header__inner { min-height: 3.8rem; }
  .menu-toggle { display: inline-block; }
  .site-menu { position: absolute; top: 100%; right: 0; left: 0; display: grid; gap: 0; padding: .35rem 1rem .7rem; border-bottom: 1px solid var(--line); background: var(--paper); opacity: 0; pointer-events: none; transform: translateY(-.35rem); transition: opacity .18s ease, transform .18s ease; }
  .site-menu.is-open { opacity: 1; pointer-events: auto; transform: none; }
  .site-menu a { padding: .62rem 0; border-bottom: 1px solid var(--line); font-size: .68rem; }
  .site-menu a:last-child { border-bottom: 0; }
  .profile { grid-template-columns: 1fr; gap: 1.8rem; padding: 3.6rem 0 3.2rem; }
  .profile__photo { grid-row: 1; width: 120px; margin: 0; }
  .profile__copy { grid-row: 2; }
  .profile h1 { font-size: clamp(3rem, 14vw, 4.6rem); }
  .focus-list li, .education-row, .publication-list > li { grid-template-columns: 1fr; gap: .28rem; }
  .section-heading { display: block; }
  .section-heading > a { display: inline-block; margin: -.45rem 0 1rem; }
  .notes-callout { grid-template-columns: 1fr; gap: .35rem; }
  .notes-callout a { margin-top: .25rem; }
  .service-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .site-footer { display: block; padding-bottom: 1.8rem; }
  .site-footer > div + div { margin-top: .55rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}