:root {
  color-scheme: dark;
  --bg: #111313;
  --surface: #191c1b;
  --ink: #e7eae6;
  --body: #b1b9b4;
  --muted: #8a958e;
  --line: #2b312d;
  --accent: #b1d6a0;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

:root[data-theme='light'] {
  color-scheme: light;
  --bg: #f8f8f4;
  --surface: #edede6;
  --ink: #202720;
  --body: #475348;
  --muted: #626e63;
  --line: #d9ddd3;
  --accent: #38632d;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 32px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
::selection { color: var(--bg); background: var(--accent); }
a { color: inherit; text-decoration: none; text-underline-offset: 5px; }
a:hover { color: var(--accent); }
button { font: inherit; color: inherit; cursor: pointer; }
a, button, summary { -webkit-tap-highlight-color: transparent; }
:where(a, button, summary):focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
button[hidden] { display: none; }
h1, h2, h3, h4, p { margin: 0; }
h2, h3, h4 { font-weight: 550; }
strong { color: var(--ink); font-weight: 500; }
.page-shell { width: min(100% - 96px, 1080px); margin: 0 auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 10; padding: 10px 18px; color: var(--bg); background: var(--accent); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; gap: 26px; min-height: 100px; border-bottom: 1px solid var(--line); font: 12px/1.5 var(--mono); }
.identity { margin-right: auto; white-space: nowrap; font-size: 14px; }
.prompt { color: var(--accent); margin-right: 9px; font-weight: 700; }
.path { color: var(--muted); }
.site-header nav { display: flex; align-items: center; gap: 26px; }
.site-header nav a { padding: 10px 0; color: var(--body); }
.site-header nav a:hover { color: var(--accent); }
.site-header nav a[aria-current] { color: var(--accent); text-decoration: underline; }
.site-header nav a span { color: var(--muted); }
.theme-toggle { display: grid; place-items: center; width: 36px; height: 36px; padding: 8px; border: 1px solid var(--line); border-radius: 4px; background: transparent; color: var(--muted); }
.theme-toggle:hover { color: var(--accent); border-color: var(--muted); }
.theme-toggle svg { width: 18px; height: 18px; }
.moon-icon, [data-theme='light'] .sun-icon { display: none; }
[data-theme='light'] .moon-icon { display: block; }
.section-grid { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 36px; padding: 60px 0; border-bottom: 1px solid var(--line); }
.section-label { padding-top: 5px; color: var(--muted); font: 11px/1.7 var(--mono); }
.section-number { color: var(--accent); margin-right: 8px; }
.hero { padding-top: 77px; padding-bottom: 64px; }
.hero-label { padding-top: 3px; }
.file-icon { color: var(--accent); margin-right: 7px; }
.location { display: flex; align-items: center; gap: 8px; color: var(--muted); font: 11px/1.6 var(--mono); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-right: 3px; flex-shrink: 0; }
.location-divider { margin: 0 5px; color: var(--muted); }
h1 { font-size: clamp(46px, 5.7vw, 70px); line-height: 1.13; font-weight: 600; letter-spacing: -.055em; margin-top: 26px; }
.name-period { color: var(--accent); }
.hero-role { margin-top: 14px; color: var(--accent); font: 21px/1.5 var(--mono); letter-spacing: -.045em; }
.hero-intro { margin-top: 28px; max-width: 640px; color: var(--body); font-size: 19px; line-height: 1.65; letter-spacing: -.015em; }
.hero-perspective { margin-top: 17px; max-width: 625px; font-size: 15px; color: var(--body); }
.hero-links { display: flex; align-items: center; flex-wrap: wrap; gap: 29px; margin-top: 29px; font: 12px/1.7 var(--mono); }
.hero-links a { padding: 6px 0; }
.hero-links a span { margin-left: 6px; }
.hero-links .primary-link { color: var(--accent); border-bottom: 1px solid var(--accent); }
.hero-links .primary-link:hover { color: var(--ink); border-color: var(--ink); }
.focus-line { display: flex; gap: 14px; margin-top: 38px; padding: 19px 0 0; border-top: 1px dashed var(--line); color: var(--muted); font: 11px/1.9 var(--mono); }
.comment-mark { color: var(--accent); }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; }
h2 { font-size: 23px; line-height: 1.35; letter-spacing: -.035em; }
.section-note { color: var(--muted); font: 10px/1.6 var(--mono); white-space: nowrap; }
.section-intro { color: var(--muted); margin-top: 12px; font-size: 14px; }
.experience-list { margin-top: 32px; }
.experience-row { padding: 26px 0; border-bottom: 1px solid var(--line); }
.experience-row:first-child { padding-top: 0; }
.experience-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.experience-heading h3 { font-size: 17px; line-height: 1.5; }
.experience-heading h3 a { display: inline-block; }
.experience-heading h3 a span { color: var(--muted); font-size: 13px; margin-left: 7px; }
.period { color: var(--muted); font: 11px/1.6 var(--mono); white-space: nowrap; }
.experience-role { color: var(--muted); font: 11px/1.7 var(--mono); margin-top: 3px; }
.experience-row > p:not(.experience-role) { color: var(--body); font-size: 14px; line-height: 1.8; margin-top: 13px; max-width: 720px; }
.tech-list { display: flex; flex-wrap: wrap; gap: 5px 0; padding: 0; margin: 14px 0 0; list-style: none; color: var(--muted); font: 10px/1.7 var(--mono); }
.tech-list li + li::before { content: '·'; margin: 0 10px; color: var(--muted); }
.inline-link { font: 11px/1.8 var(--mono); color: var(--accent); }
.inline-link span { margin-left: 8px; }
.resume-link { display: inline-block; margin-top: 21px; }
.resume-link:hover { text-decoration: underline; }
.projects-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; margin: 47px 0 4px; }
.projects-heading h3 { font-size: 18px; letter-spacing: -.025em; }
.project { padding: 25px 0; border-bottom: 1px solid var(--line); }
.project:last-child { border-bottom: 0; padding-bottom: 0; }
.project-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.project-heading h4 { font: 13px/1.7 var(--mono); }
.repo-icon { color: var(--muted); margin-right: 8px; font-size: 16px; }
.project-heading h4 a > span:last-child { margin-left: 6px; color: var(--muted); font-size: 11px; }
.project-kind { font: 9px/1.5 var(--mono); color: var(--muted); white-space: nowrap; }
.project > p { margin-top: 11px; font-size: 14px; color: var(--body); line-height: 1.8; max-width: 640px; }
.project-notes { margin-top: 12px; }
.project-notes summary { display: flex; align-items: center; gap: 8px; width: fit-content; padding: 3px 0; color: var(--accent); cursor: pointer; font: 10px/1.8 var(--mono); list-style: none; }
.project-notes summary::-webkit-details-marker { display: none; }
.project-notes summary span { font-size: 14px; line-height: 1; }
.project-notes[open] summary span { transform: rotate(45deg); }
.project-notes-body { margin-top: 13px; padding: 16px 20px; border-left: 2px solid var(--accent); background: var(--surface); color: var(--body); font-size: 13px; line-height: 1.8; }
.connection-diagram { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 17px; color: var(--ink); font: 10px/1.7 var(--mono); }
.connection-diagram > span:not(.connection) { padding: 5px 9px; border: 1px solid var(--line); }
.connection { color: var(--accent); }
.workflow { list-style: none; margin: 32px 0 0; padding: 0; }
.workflow li { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 20px; padding: 21px 0; border-top: 1px solid var(--line); }
.step-label { display: flex; align-items: baseline; gap: 14px; }
.step-number { color: var(--muted); font: 10px/1.8 var(--mono); }
.workflow h3 { font: 12px/1.8 var(--mono); letter-spacing: -.025em; }
.code-punctuation { color: var(--accent); margin-left: 2px; }
.workflow li > p { font-size: 13px; line-height: 1.8; color: var(--body); }
.approach-note { padding-top: 18px; border-top: 1px solid var(--line); font: 11px/1.9 var(--mono); color: var(--accent); }
.approach-note > span { margin-right: 8px; }
.about-copy { color: var(--body); font-size: 15px; max-width: 700px; margin-top: 22px; }
.about-copy p + p { margin-top: 17px; }
.toolbox { margin: 28px 0 0; padding: 21px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.toolbox > div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 20px; margin-bottom: 13px; }
.toolbox > div:last-child { margin: 0; }
.toolbox dt { font: 10px/1.9 var(--mono); color: var(--muted); }
.toolbox dd { margin: 0; font: 11px/1.9 var(--mono); color: var(--body); }
.aside-note { margin-top: 23px; color: var(--muted); font-size: 12px; }
.aside-note a { text-decoration: underline; text-decoration-color: var(--line); }
.aside-note a:hover { text-decoration-color: var(--accent); }
.contact-section { padding-top: 51px; padding-bottom: 55px; }
.contact-section h2 { font-size: 22px; }
.contact-section p { margin-top: 11px; color: var(--body); font-size: 14px; }
.contact-email { display: inline-block; margin-top: 21px; font: 17px/1.6 var(--mono); letter-spacing: -.04em; color: var(--accent); }
.contact-email:hover { text-decoration: underline; }
.contact-email span { margin-left: 12px; }
.contact-links { display: flex; flex-wrap: wrap; gap: 25px; margin-top: 19px; color: var(--body); font: 11px/1.8 var(--mono); }
.contact-links span { color: var(--muted); margin-left: 5px; }
.site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding: 27px 0 35px; color: var(--muted); font: 10px/1.8 var(--mono); }
.site-footer a span { margin-left: 6px; }
.utility-page { min-height: calc(100svh - 193px); align-content: center; }
.utility-page h1 { font-size: clamp(38px, 4.8vw, 60px); }
.utility-status { color: var(--accent); font: 12px/1.8 var(--mono); }
.writing-entry { padding: 27px 0; border-bottom: 1px solid var(--line); }
.writing-entry:last-child { padding-bottom: 0; border-bottom: 0; }
.writing-meta { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); font: 10px/1.8 var(--mono); }
.writing-entry h2, .writing-entry h3 { max-width: 680px; margin-top: 12px; font-size: 23px; line-height: 1.4; letter-spacing: -.025em; }
.writing-entry h2 span, .writing-entry h3 span { color: var(--accent); font-size: 16px; white-space: nowrap; }
.writing-description { max-width: 660px; margin-top: 13px; font-size: 14px; line-height: 1.8; color: var(--body); }
.writing-read { display: inline-block; margin-top: 18px; }
.writing-section .section-heading { flex-wrap: wrap; gap: 10px 20px; }

@media (min-width: 1500px) {
  .page-shell { max-width: 1120px; }
  .section-grid { grid-template-columns: 190px minmax(0, 1fr); }
}

@media (max-width: 1000px) {
  .page-shell { width: calc(100% - 64px); }
  .section-grid { grid-template-columns: 120px minmax(0, 1fr); gap: 24px; }
  .section-heading { align-items: flex-start; }
  .section-heading .section-note { display: none; }
  .workflow li { grid-template-columns: 1fr; gap: 8px; }
  .workflow li > p { padding-left: 27px; }
  .hero-role { font-size: 19px; }
}

@media (max-width: 700px) {
  .page-shell { width: calc(100% - 40px); }
  .site-header { min-height: 0; padding: 20px 0 14px; gap: 16px; flex-wrap: wrap; }
  .identity { font-size: 13px; }
  .site-header nav { order: 3; width: 100%; flex-wrap: wrap; gap: 8px 18px; font-size: 11px; }
  .site-header nav a { padding: 5px 0; }
  .theme-toggle { width: 32px; height: 32px; padding: 6px; }
  .section-grid { grid-template-columns: 1fr; gap: 23px; padding: 39px 0; }
  .section-label { font-size: 10px; padding-top: 0; }
  .hero { padding-top: 34px; gap: 23px; padding-bottom: 38px; }
  .location { font-size: 9px; gap: 6px; flex-wrap: wrap; }
  .location-divider { margin: 0 2px; }
  h1 { font-size: clamp(42px, 10vw, 60px); margin-top: 21px; }
  .hero-role { font-size: clamp(14px, 4.15vw, 20px); margin-top: 10px; letter-spacing: -.045em; }
  .hero-intro { font-size: 17px; margin-top: 24px; }
  .hero-perspective { font-size: 14px; margin-top: 15px; }
  .hero-links { font-size: 11px; gap: 18px; margin-top: 24px; }
  .hero-links a span { margin-left: 3px; }
  .focus-line { font-size: 10px; margin-top: 28px; gap: 10px; }
  .desktop-break { display: none; }
  h2 { font-size: 21px; }
  .section-intro { font-size: 13px; }
  .writing-entry h2, .writing-entry h3 { font-size: 20px; }
  .writing-description { font-size: 13px; }
  .experience-list { margin-top: 27px; }
  .experience-heading h3 { font-size: 16px; }
  .experience-role { font-size: 10px; }
  .experience-row > p:not(.experience-role) { font-size: 13px; }
  .experience-row { padding: 23px 0; }
  .projects-heading { margin-top: 35px; }
  .projects-heading h3 { font-size: 17px; }
  .projects-heading .section-note { font-size: 9px; }
  .project-heading { flex-wrap: wrap; gap: 5px 12px; }
  .project-heading h4 { font-size: 12px; }
  .project-kind { font-size: 9px; }
  .project > p { font-size: 13px; }
  .project-notes-body { padding: 13px 14px; }
  .workflow { margin-top: 25px; }
  .workflow li { padding: 18px 0; }
  .workflow li > p { font-size: 13px; }
  .approach-note { font-size: 10px; }
  .about-copy { font-size: 14px; }
  .toolbox > div { grid-template-columns: 85px minmax(0, 1fr); gap: 14px; }
  .toolbox dd { font-size: 10px; }
  .contact-section h2 { font-size: 21px; }
  .contact-section p { font-size: 13px; }
  .contact-email { font-size: clamp(13px, 3.9vw, 18px); }
  .contact-email span { margin-left: 5px; }
  .site-footer { display: grid; grid-template-columns: 1fr auto; gap: 8px 14px; padding: 23px 0; font-size: 9px; }
  .site-footer > span:nth-child(2) { order: 3; grid-column: 1 / -1; }
}

@media print {
  :root[data-theme] { color-scheme: light; --bg: #fff; --surface: #f4f4f4; --ink: #111; --body: #333; --muted: #555; --line: #ddd; --accent: #244d20; }
  body { font-size: 11pt; }
  .page-shell { width: 100%; }
  .site-header, .hero-links, .theme-toggle, .site-footer { display: none; }
  .section-grid { grid-template-columns: 100px minmax(0, 1fr); gap: 20px; padding: 25px 0; }
  .hero { padding-top: 0; }
  .hero h1 { font-size: 32pt; }
  .experience-row, .project, .workflow li { break-inside: avoid; }
}