/* Personal portfolio. System fonts and local media; no stylesheet dependencies. */
:root {
  color-scheme: light;
  --paper: #fff;
  --ink: #171918;
  --muted: #5b605e;
  --line: #d8dcd8;
  --surface: #f4f5f2;
  --blue: #1746c7;
  --blue-dark: #0b3095;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Times New Roman", Times, serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
  --page: 1100px;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--paper);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 1.5rem; }
body { margin: 0; -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
::selection { color: #111; background: #f5db74; }
a { color: var(--blue); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { color: var(--blue-dark); text-decoration-thickness: 2px; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .5; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
img, video { display: block; max-width: 100%; height: auto; }
iframe { max-width: 100%; border: 0; }
figure { margin: 0; }
figcaption, .caption { margin: .65rem 0 0; color: var(--muted); font-size: .78rem; line-height: 1.55; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { text-wrap: balance; }
p { margin-bottom: 1.1em; }
hr, .section-divider { margin: 2.5rem 0; border: 0; border-top: 1px solid var(--line); }
svg { flex-shrink: 0; }
.shell { width: min(100% - 4rem, var(--page)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: -6rem; left: 1rem; z-index: 100; padding: .8rem 1rem; color: #fff; background: var(--blue); }
.skip-link:focus { top: 1rem; color: #fff; }

/* Identity and visible navigation. */
.site-header { background: var(--paper); }
.site-header > .shell { display: flex; justify-content: space-between; align-items: center; gap: 1rem 2rem; min-height: 88px; border-bottom: 1px solid var(--line); }
.wordmark { color: var(--ink); font-size: 1.03rem; font-weight: 650; letter-spacing: -.025em; line-height: 1.2; text-decoration: none; }
.wordmark:hover { color: var(--blue); }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0 2.1rem; min-height: 51px; }
.site-nav a { display: inline-flex; align-items: center; min-height: 50px; padding: .7rem 0; color: var(--ink); font-size: .85rem; font-weight: 500; letter-spacing: 0; text-decoration: none; border-bottom: 1px solid transparent; margin-bottom: -1px; }
.site-nav a:hover { color: var(--blue); }
.site-nav a[aria-current="page"] { color: var(--blue); border-bottom-color: var(--blue); }
.wordmark-dot { color: var(--blue); }
.rich-text div + div { margin-top: 1em; }
.about-content { max-width: 940px; }
.about-content .module-text { max-width: 70ch; }
.media-link { position: relative; }
.enlarge-hint { position: absolute; right: .65rem; bottom: .65rem; display: grid; place-items: center; width: 32px; height: 32px; color: var(--ink); background: rgba(255,255,255,.92); border: 1px solid var(--line); font-family: var(--sans); font-size: 1rem; opacity: 0; transition: opacity .15s; }
.media-link:hover .enlarge-hint, .media-link:focus-visible .enlarge-hint { opacity: 1; }
.media-download { margin: .65rem 0 0; font-size: .75rem; }
.gallery-caption { grid-column: 1 / -1; }
.lightbox-open { overflow: hidden; }
.lightbox-toolbar > div { display: flex; gap: 1rem; align-items: center; }
.lightbox-bottom { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .5rem .75rem; }
.lightbox-bottom button { min-height: 44px; padding: .5rem .75rem; flex-shrink: 0; border: 1px solid var(--line); background: var(--paper); color: var(--ink); font-size: .75rem; }
.lightbox-bottom .lightbox-caption { padding: .5rem; font-size: .75rem; }
@media (max-width: 480px) { .lightbox-bottom { flex-wrap: wrap; } .lightbox-bottom .lightbox-caption { order: 3; flex-basis: 100%; } .lightbox-toolbar { padding-inline: .5rem; } .lightbox-toolbar > div { gap: .5rem; } }
main { min-height: 50vh; padding-bottom: 5rem; }
.eyebrow { display: block; margin: 0 0 1.2rem; color: var(--muted); font-size: .68rem; font-weight: 700; letter-spacing: .14em; line-height: 1.4; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: .45rem; height: .45rem; margin-right: .6rem; background: var(--blue); vertical-align: .05em; }

/* A compact nameplate lets the projects lead. */
.portfolio-header { padding: clamp(2.5rem, 5vw, 4.5rem) 0 clamp(2rem, 4vw, 3.5rem); }
.portfolio-header h1 { margin: 0; font-size: clamp(2.8rem, 7vw, 5.75rem); font-weight: 600; letter-spacing: -.06em; line-height: 1.05; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.75rem; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: .6rem; min-height: 46px; max-width: 100%; padding: .75rem 1.1rem; border: 1px solid var(--ink); border-radius: 0; color: var(--ink); background: var(--paper); font-size: .78rem; font-weight: 700; line-height: 1.3; text-decoration: none; text-align: center; transition: color .15s ease, background-color .15s ease, border-color .15s ease; }
.button:hover { color: #fff; background: var(--ink); border-color: var(--ink); text-decoration: none; }
.button-primary { color: #fff; background: var(--blue); border-color: var(--blue); }
.button-primary:hover { color: #fff; background: var(--blue-dark); border-color: var(--blue-dark); }
.button-secondary:hover { color: var(--blue); border-color: var(--blue); background: #f4f7ff; }

/* Project index. */
.section-heading { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: .75rem 2rem; padding: 1.25rem 0; border-top: 1px solid var(--ink); }
.section-heading h2 { margin: 0; font-size: 1.15rem; font-weight: 750; letter-spacing: -.025em; }
.section-heading > span, .section-heading > p, .section-heading > a { margin: 0; color: var(--muted); font-size: .75rem; }
.section-heading > a { color: var(--blue); }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3rem 2rem; margin: 0; padding: 0; list-style: none; }
.project-card { min-width: 0; }
.project-card:hover h3 { color: var(--blue); }
.project-card > a { display: block; height: 100%; color: inherit; text-decoration: none; }
.card-image { display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 3; min-width: 0; overflow: hidden; background: var(--surface); }
.card-image img { width: 100%; height: 100%; object-fit: contain; }
.card-body { padding-top: .85rem; }
.card-body h3 { margin: 0; font-size: 1rem; font-weight: 500; letter-spacing: -.015em; line-height: 1.4; }

/* Project and document pages. */
.page-header { padding: 3.75rem 0 2.75rem; }
.page-title, .project-title { margin: 0 0 1.1rem; font-size: clamp(2.45rem, 5vw, 4.8rem); font-weight: 750; letter-spacing: -.055em; line-height: 1.04; overflow-wrap: break-word; }
.page-intro { max-width: 62ch; margin: 0; color: var(--muted); font-family: var(--serif); font-size: 1.12rem; line-height: 1.65; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1.7rem 0 0; color: var(--muted); font-size: .72rem; overflow-wrap: anywhere; }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 32px; }
.project-header { padding: 1.5rem 0 2.5rem; }
.project-title { max-width: 22ch; }
.project-meta { margin: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; color: var(--muted); font-size: .77rem; }
.project-body { min-width: 0; max-width: 940px; margin: 0 auto; }
.project-modules { min-width: 0; }
.module { min-width: 0; margin: 0 0 2rem; }
.module:last-child { margin-bottom: 0; }
.module-text { max-width: 72ch; }
.module-image, .module-images { margin-block: 2rem; }
.module-image img, .module-images img { width: auto; max-width: 100%; height: auto; margin-inline: auto; }
.module-images { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 1.2rem; }
.module-images > :only-child { grid-column: 1 / -1; }
.module-images figure { min-width: 0; }
.module-image figure, .module-images figure { margin: 0; }
.media-link { display: block; max-width: 100%; color: inherit; cursor: zoom-in; }
.media-link img { background: var(--surface); }
.module-embed { width: 100%; margin-block: 2rem; }
.module-embed iframe { display: block; width: 100%; aspect-ratio: 16 / 9; height: auto; min-height: 240px; background: var(--surface); border: 1px solid var(--line); }
.module-video { margin-block: 2rem; }
.module-video video { width: 100%; max-height: 80vh; background: #161616; object-fit: contain; }
.module-file { padding: 1rem 1.25rem; border: 1px solid var(--line); background: var(--surface); overflow-wrap: anywhere; }
.module-file a { display: inline-flex; align-items: center; min-height: 44px; font-size: .9rem; }
.module-divider { margin: 2.5rem 0; border: 0; border-top: 1px solid var(--line); }
.prose, .rich-text { font-family: var(--serif); font-size: 1.075rem; line-height: 1.7; overflow-wrap: break-word; }
.prose { max-width: 70ch; }
.prose h2, .rich-text h2 { margin: 2rem 0 .85rem; font-family: var(--sans); font-size: 1.4rem; font-weight: 750; letter-spacing: -.025em; line-height: 1.25; }
.prose h3, .rich-text h3 { margin: 1.75rem 0 .65rem; font-family: var(--sans); font-size: 1.05rem; font-weight: 750; line-height: 1.35; }
.prose h4, .rich-text h4 { font-family: var(--sans); font-size: .95rem; }
.prose > :first-child, .rich-text > :first-child { margin-top: 0; }
.prose > :last-child, .rich-text > :last-child { margin-bottom: 0; }
.prose ul, .prose ol, .rich-text ul, .rich-text ol { padding-left: 1.4rem; }
.prose li, .rich-text li { margin-bottom: .45rem; }
.prose blockquote, .rich-text blockquote { margin: 1.5rem 0; padding-left: 1.25rem; border-left: 2px solid var(--blue); }
.prose table, .rich-text table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; font-family: var(--sans); font-size: .85rem; }
.prose th, .prose td, .rich-text th, .rich-text td { padding: .7rem; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
.prose pre, .rich-text pre { overflow-x: auto; padding: 1rem; background: var(--surface); font-size: .8rem; }
.prose code, .rich-text code { font-family: var(--mono); font-size: .85em; }
.project-pagination { display: flex; justify-content: space-between; gap: 1.5rem; margin-top: 3.5rem; padding-top: 1.25rem; border-top: 1px solid var(--ink); }
.project-pagination a { display: inline-flex; flex-direction: column; align-items: flex-start; min-height: 44px; max-width: 45%; font-size: .85rem; }
.project-pagination a:last-child { margin-left: auto; align-items: flex-end; text-align: right; }
.back-link { display: inline-flex; align-items: center; min-height: 44px; margin: 1.2rem 0; font-size: .8rem; }

/* Biography, résumé, and contact. */
.about-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(240px, .7fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.about-portrait { min-width: 0; }
.about-portrait img { width: 100%; height: auto; border: 1px solid var(--line); }
.resume-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.resume-heading .page-title { margin-bottom: 0; }
.resume-pdf { display: inline-flex; align-items: center; min-height: 44px; font-size: .85rem; text-decoration: none; }
.resume-content { max-width: 1000px; font-size: .95rem; line-height: 1.65; }
.resume-intro { max-width: 76ch; margin-bottom: 2.5rem; }
.resume-role { font-size: 1.15rem; font-weight: 500; line-height: 1.45; }
.resume-contact { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; font-size: .8rem; }
.resume-contact a { padding-block: .35rem; }
.resume-section { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 2.5rem; padding: 2rem 0; border-top: 1px solid var(--line); }
.resume-section > h2 { margin: 0; font-size: .9rem; font-weight: 600; line-height: 1.5; }
.resume-entry + .resume-entry { margin-top: 1.75rem; }
.resume-entry h3 { margin: 0; font-size: 1rem; font-weight: 600; line-height: 1.45; }
.resume-location { margin: .3rem 0 .6rem; color: var(--muted); font-size: .8rem; }
.resume-entry ul { margin: .6rem 0 0; padding-left: 1.1rem; }
.resume-entry li + li { margin-top: .35rem; }
.resume-entry > p:last-child { margin-bottom: 0; }
.resume-skills { margin: 0; }
.resume-skills > div + div { margin-top: 1rem; }
.resume-skills dt { font-weight: 600; }
.resume-skills dd { margin: .15rem 0 0; }
.link-directory { margin: 1rem 0 2rem; border-bottom: 1px solid var(--line); }
.directory-item { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: .5rem 2rem; min-height: 65px; padding: 1rem 0; border-top: 1px solid var(--line); color: var(--ink); text-decoration: none; overflow-wrap: anywhere; }
.directory-item h2, .directory-item h3 { margin: 0; font-size: 1.05rem; letter-spacing: -.02em; }
.directory-item p { margin: .35rem 0 0; color: var(--muted); font-size: .85rem; }
.directory-item:hover { color: var(--blue); }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 3rem; max-width: 1000px; }
.contact-details { display: flex; flex-direction: column; align-items: flex-start; gap: .8rem; }
.contact-details a { display: inline-flex; align-items: center; min-height: 44px; font-size: .9rem; overflow-wrap: anywhere; }
#contact-form { min-width: 0; }
.contact-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
#contact-form label { display: block; margin: 0 0 .5rem; font-size: .8rem; font-weight: 500; }
#contact-form input, #contact-form textarea { display: block; width: 100%; min-height: 46px; padding: .75rem; color: var(--ink); background: var(--paper); border: 1px solid #a9aeab; border-radius: 0; }
#contact-form textarea { min-height: 180px; resize: vertical; }
#contact-form .contact-fields + label { margin-top: 1.5rem; }
.contact-submit { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; margin-top: 1.25rem; }
.contact-submit .button { font-weight: 500; }
#contact-note, #contact-status { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.5; }
#contact-status:not(:empty) { margin-top: 1rem; }

/* Footer is deliberately quiet so the work remains the focus. */
.site-footer { padding: 0 0 1.75rem; color: var(--muted); }
.site-footer .shell { border-top: 1px solid var(--ink); }
.footer-top { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 1rem 2rem; padding: 1.65rem 0 1.15rem; }
.footer-top h2 { margin: 0; color: var(--ink); font-size: 1.25rem; font-weight: 750; letter-spacing: -.035em; }
.footer-top p { margin: .35rem 0 0; font-family: var(--serif); font-size: .95rem; }
.footer-top a { display: inline-flex; align-items: center; min-height: 44px; font-size: .85rem; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .4rem 1.5rem; padding-top: 1rem; font-size: .75rem; }
.footer-bottom p { margin: 0; }
.footer-bottom a { display: inline-block; min-height: 44px; padding: .7rem 0; color: inherit; }
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 1.2rem; }

/* Native dialog enlarges the original media without cropping it. */
dialog.lightbox, .lightbox dialog { width: min(96vw, 1500px); max-width: 96vw; max-height: 94vh; margin: auto; padding: 0; border: 1px solid var(--line); color: var(--ink); background: var(--paper); }
dialog.lightbox::backdrop, .lightbox dialog::backdrop { background: rgba(10, 14, 18, .82); }
.lightbox-toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem 1rem; padding: .65rem 1rem; border-bottom: 1px solid var(--line); }
.lightbox-toolbar a { font-size: .78rem; }
.lightbox-toolbar button { min-width: 44px; min-height: 44px; padding: .5rem .85rem; border: 1px solid var(--line); border-radius: 0; color: var(--ink); background: var(--paper); font-size: .8rem; font-weight: 700; }
.lightbox-toolbar button:hover { border-color: var(--ink); background: var(--surface); }
.lightbox-content { display: flex; align-items: center; justify-content: center; min-width: 0; padding: 1rem; background: var(--surface); }
.lightbox-content img { width: auto; max-width: 100%; max-height: calc(94vh - 150px); height: auto; object-fit: contain; }
.lightbox-caption { margin: 0; padding: .8rem 1rem; font-size: .8rem; line-height: 1.5; }

@media (max-width: 1000px) {
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-layout { gap: 2.5rem; }
}

@media (max-width: 740px) {
  .shell { width: calc(100% - 2.5rem); }
  .site-header > .shell { flex-wrap: wrap; gap: .5rem; padding-top: 1.25rem; }
  .site-nav { flex-basis: 100%; }
  .site-nav { gap: 0 1.4rem; }
  .site-nav a { font-size: .8rem; }
  main { padding-bottom: 3rem; }
  .page-header { padding: 2.75rem 0 2rem; }
  .project-header { padding: 1.8rem 0 2rem; }
  .project-title { max-width: 23ch; }
  .about-layout { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .about-portrait { max-width: 420px; }
  .resume-section { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .contact-layout { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .contact-details { flex-direction: row; flex-wrap: wrap; gap: .3rem 1.5rem; }
}

@media (max-width: 600px) {
  .project-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 480px) {
  .shell { width: calc(100% - 2rem); }
  .site-header > .shell { padding-top: 1.25rem; }
  .wordmark { font-size: .96rem; }
  .contact-fields { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
  .site-nav { gap: 0 1.15rem; }
  .site-nav a { min-height: 46px; font-size: .8rem; letter-spacing: 0; }
  .hero-actions { gap: .5rem; }
  .hero-actions .button { min-width: 140px; }
  .project-grid { grid-template-columns: minmax(0, 1fr); gap: 2.25rem; }
  .section-heading { gap: .5rem; }
  .section-heading h2 { font-size: 1.05rem; }
  .page-title, .project-title { font-size: clamp(2rem, 9vw, 3rem); }
  .page-intro, .prose, .rich-text { font-size: 1.03rem; line-height: 1.65; }
  .module-images { grid-template-columns: minmax(0, 1fr); }
  .module-embed iframe { min-height: 190px; }
  .project-pagination { gap: 1rem; }
  .project-pagination a { font-size: .78rem; }
  .footer-top { align-items: flex-start; gap: .75rem; }
  .footer-bottom { align-items: flex-start; }
  .lightbox-content { padding: .4rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

@media (forced-colors: active) {
  .button, .project-card, .card-image { border-color: CanvasText; }
  .site-nav a[aria-current="page"] { border-bottom: 3px solid Highlight; }
  :focus-visible { outline-color: Highlight; }
}

@media print {
  :root { font-size: 11pt; }
  .shell { width: 100%; }
  .site-nav, .hero-actions, .site-footer, .project-pagination, .lightbox, .resume-pdf { display: none !important; }
  .portfolio-header, .page-header, .project-header { padding-block: 1.5rem; }
  .portfolio-header h1, .page-title, .project-title { font-size: 30pt; }
  .module, figure, .project-card { break-inside: avoid; }
  a { color: inherit; }
}