:root {
  color-scheme: dark;
  --bg: #08090b;
  --surface: #101215;
  --raised: #171a1e;
  --fg: #eeeff1;
  --muted: #a8adb5;
  --quiet: #858d98;
  --border: #2a2e35;
  --guide: #343941;
  --accent: #e3b56a;
  --ink: #16110a;
  --sans: 'Space Grotesk', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --page-width: 740px;
  font: 14px/1.7 var(--sans);
  color: var(--fg);
  background: var(--bg);
  scroll-behavior: auto;
  scroll-padding-top: 28px;
  -webkit-font-smoothing: antialiased;
}
:root[data-theme='light'] {
  color-scheme: light;
  --bg: #faf9f6;
  --surface: #f0efeb;
  --raised: #e7e6e1;
  --fg: #23262a;
  --muted: #565e68;
  --quiet: #69717c;
  --border: #d5d5ce;
  --guide: #c2c4bd;
  --accent: #835516;
  --ink: #fffaf0;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; overflow-wrap: break-word; overflow-x: clip; }
body::before { content: ''; position: absolute; left: 50%; transform: translateX(-50%); top: 0; width: min(var(--page-width), 100%); height: 100%; border-inline: 1px dotted var(--guide); pointer-events: none; z-index: -1; }
body { position: relative; isolation: isolate; }
a { color: inherit; text-decoration: none; }
a, button { -webkit-tap-highlight-color: transparent; }
button, input { font: inherit; }
button { cursor: pointer; color: inherit; }
button, a, input, summary { touch-action: manipulation; }
button { border: 0; }
svg { display: block; }
a svg, button svg, .search-wrap svg { width: 16px; height: 16px; stroke: currentColor; stroke-width: 1.5; flex-shrink: 0; }
h1,h2,h3,p { margin: 0; }
h1,h2,h3 { font-weight: 600; line-height: 1.35; }
::selection { background: var(--fg); color: var(--bg); }
:focus-visible { outline: 1px dashed var(--accent); outline-offset: 5px; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }
[hidden] { display: none !important; }
.container { width: min(var(--page-width), 100%); padding-inline: 28px; margin-inline: auto; }
.eyebrow, .section-label > span { font: 9px/1.6 var(--mono); letter-spacing: 1.4px; text-transform: uppercase; color: var(--quiet); }
.accent { color: var(--accent); }
.skip-link { position: fixed; top: -100px; left: 20px; padding: 10px 20px; background: var(--accent); color: var(--ink); z-index: 100; }
.skip-link:focus { top: 12px; }
/* A small photographic masthead, with immediate access to the portfolio. */
.cinematic-intro { width: min(var(--page-width), 100%); height: 230px; margin-inline: auto; position: relative; }
.intro-stage { position: relative; height: 100%; overflow: hidden; isolation: isolate; background: #0a2137; color: #fff; }
.intro-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 48%; z-index: -3; }
.intro-wash { position: absolute; inset: 0; background: linear-gradient(0deg, #030a12c9, #030a1220 70%); z-index: -2; }
.intro-brand { position: absolute; right: 24px; bottom: 34px; font: 56px/1 var(--mono); opacity: .13; letter-spacing: -5px; pointer-events: none; }
.intro-topline, .intro-bottomline { position: absolute; left: 26px; right: 26px; display: flex; justify-content: space-between; gap: 20px; font: 8px/1.5 var(--mono); letter-spacing: 1px; }
.intro-topline { top: 18px; align-items: center; }
.intro-skip { display: flex; gap: 9px; align-items: center; padding: 5px 8px; border: 1px solid #ffffff60; background: #08121a70; }
.intro-skip:hover { background: #fff; color: #08090b; }
.intro-greeting { position: absolute; bottom: 47px; left: 28px; }
.intro-greeting > p:first-child { font-size: 14px; margin-bottom: 4px; color: #e1e5e9; }
.intro-name { font-size: clamp(28px,4vw,38px); line-height: 1.1; letter-spacing: -1.5px; font-weight: 500; }
.intro-bottomline { bottom: 15px; font-size: 7px; letter-spacing: .8px; }
.intro-bottomline > span:last-child { padding-right: 102px; }
.intro-progress { position: absolute; bottom: 0; inset-inline: 0; height: 1px; background: #ffffff25; }
.banner-clock { position: absolute; right: 26px; bottom: 14px; color: #d6dde2; font: 8px/1.5 var(--mono); }
/* Framed identity and a quiet blueprint index. */
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 112px; position: relative; border-bottom: 1px dotted var(--guide); }
.wordmark { display: flex; align-items: center; gap: 17px; font-size: 25px; letter-spacing: -1px; font-weight: 600; }
.brand-mark { display: block; width: 72px; height: 72px; border: 1px solid var(--border); border-radius: 8px; padding: 4px; flex-shrink: 0; overflow: hidden; background: var(--surface); }
.brand-mark img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 61%; transform: scale(1.4); filter: saturate(.65); }
.wordmark:hover { color: var(--accent); }
.profile-tools { display: flex; align-items: center; gap: 10px; }
.utility-button { min-width: 34px; min-height: 34px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--border); border-radius: 5px; background: var(--surface); color: var(--muted); font: 10px/1 var(--mono); padding: 8px; }
.utility-button:hover { color: var(--fg); background: var(--raised); border-color: var(--quiet); }
.command-trigger { padding-inline: 11px; box-shadow: 0 0 0 3px var(--surface); }
/* The introduction uses the same scale as the content below it. */
.hero { padding-block: 27px 0; display: grid; grid-template-columns: minmax(0,1fr) 106px; gap: 20px; }
.hero .eyebrow { display: flex; align-items: center; gap: 8px; font-size: 8px; letter-spacing: .9px; }
.status-dot { height: 5px; width: 5px; background: var(--accent); }
.hero h1 { margin-top: 16px; font-size: 19px; letter-spacing: -.5px; }
.hero h1 br { display: none; }
.hero-title { margin-top: 7px; font-size: 19px; line-height: 1.45; letter-spacing: -.4px; color: var(--fg); }
.hero-description { margin-top: 13px; font-size: 13px; line-height: 1.85; color: var(--muted); max-width: 510px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 21px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid var(--border); background: var(--surface); border-radius: 5px; padding: 8px 12px; font-size: 11px; font-weight: 500; box-shadow: 0 0 0 3px var(--surface); }
.button.primary { background: var(--fg); color: var(--bg); border-color: var(--fg); box-shadow: 0 0 0 3px var(--raised); }
.button:hover { background: var(--accent); color: var(--ink); border-color: var(--accent); }
.hero-art { align-self: center; }
.hero-chip { width: 106px; height: 106px; }
.chip-trace { stroke: var(--quiet); stroke-width: 1; }
.chip-secondary { stroke: var(--border); stroke-width: 1; }
.chip-frame { fill: var(--surface); stroke: var(--accent); }
.chip-inner { fill: var(--bg); stroke: var(--border); }
.chip-pins { stroke: var(--quiet); stroke-width: 5; }
.chip-symbol { stroke: var(--accent); stroke-width: 3; }
.chip-label { font: 10px var(--mono); letter-spacing: 3px; fill: var(--muted); }
.chip-caption { font: 8px var(--mono); letter-spacing: 1.5px; fill: var(--quiet); }
.chip-cross { stroke: var(--quiet); }
.chip-points { fill: var(--accent); }
.art-label { display: flex; flex-direction: column; gap: 6px; text-align: center; font: 6px/1.5 var(--mono); color: var(--quiet); letter-spacing: .4px; }
.hero-foot { grid-column: 1/-1; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-block: 19px 23px; color: var(--quiet); font: 7px/1.7 var(--mono); letter-spacing: .3px; }
.hero-foot a:hover { color: var(--accent); }
/* Repeated micro rules connect sections without floating panels. */
.section { padding-block: 32px; position: relative; }
.section::before, .contact::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: calc(100vw - 16px); border-top: 1px dotted var(--guide); z-index: -1; }
.section-heading, .section-label { display: flex; justify-content: space-between; align-items: end; gap: 22px; margin-bottom: 24px; }
.section-heading h2, .section-label h2, .about-copy h2 { font-size: 21px; letter-spacing: -.6px; }
.section-heading h2 { margin-top: 5px; }
.section-heading h2 br { display: none; }
.section-heading > p { font-size: 10px; color: var(--quiet); line-height: 1.6; text-align: right; }
.section-label { flex-direction: row-reverse; align-items: center; }
.section-label > span { font-size: 8px; letter-spacing: .6px; }
.skill-groups { display: grid; grid-template-columns: 1fr; gap: 20px; }
.skill-group { display: grid; grid-template-columns: 140px 1fr; gap: 20px; }
.skill-group h3 { font: 8px/1.7 var(--mono); letter-spacing: .8px; color: var(--quiet); text-transform: uppercase; padding-top: 7px; }
.skills-list { display: flex; flex-wrap: wrap; gap: 7px; }
.skills-list span { font: 10px/1.5 var(--mono); color: var(--muted); border: 1px solid var(--border); border-radius: 4px; padding: 5px 8px; background: var(--surface); }
.skills-list span:hover { color: var(--fg); border-color: var(--quiet); }
.about { display: flex; flex-direction: column-reverse; gap: 25px; }
.about-copy h2 { margin-top: 5px; margin-bottom: 18px; }
.about-copy > p:not(.eyebrow) { font-size: 13px; color: var(--muted); line-height: 1.9; margin-top: 12px; }
.about-copy > .about-note { color: var(--fg) !important; }
.about-visual { border: 1px dotted var(--border); padding: 14px 18px; display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 20px; align-items: center; background-image: radial-gradient(var(--border) .7px, transparent .7px); background-size: 10px 10px; }
.schematic-label, .schematic-bottom { font: 7px/1.8 var(--mono); letter-spacing: .5px; color: var(--quiet); }
.schematic-bottom { text-align: right; display: flex; flex-direction: column; }
.system-nodes { display: flex; align-items: center; gap: 7px; font: 6px/1.4 var(--mono); }
.system-nodes i { height: 1px; background: var(--border); flex: 1; }
.system-nodes strong { font: 14px var(--mono); color: var(--accent); padding: 6px; border: 1px solid var(--border); background: var(--bg); }
/* Preview-led project tiles, all descriptions and links stay in the document. */
.project-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 30px 22px; }
.project-card { display: flex; flex-direction: column; min-width: 0; }
.project-visual { position: relative; aspect-ratio: 1.75; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; display: grid; place-items: center; }
.project-card:hover .project-visual { border-color: var(--quiet); }
.project-diagram { width: 87%; height: 88%; margin-top: 8px; }
.project-diagram text { font: 11px var(--mono); fill: var(--muted); text-anchor: middle; }
.project-diagram .diagram-note { font-size: 8px; letter-spacing: 1.2px; fill: var(--quiet); }
.project-diagram .ascii-render { font-size: 16px; letter-spacing: 3px; }
.diagram-grid { stroke: var(--border); stroke-width: .6; }
.trace { stroke: var(--accent); stroke-width: 1.5; }
.node { fill: var(--bg); stroke: var(--quiet); stroke-width: 1; }
.signal-fill { fill: var(--accent); }
.project-diagram .ink { fill: var(--ink); stroke: none; }
.project-diagram path.ink { stroke: var(--ink); stroke-width: 2; }
.project-diagram .signal-text { fill: var(--accent); }
.axis { stroke: var(--quiet); }
.projection { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 4 6; }
.rf-ring { stroke: var(--quiet); stroke-width: 1; }
.route-track { stroke: var(--border); stroke-width: 20; }
.visual-caption, .visual-corner { position: absolute; font: 6px var(--mono); letter-spacing: .3px; color: var(--quiet); }
.visual-caption { top: 10px; left: 12px; }
.visual-corner { right: 12px; bottom: 9px; }
.project-copy { padding: 15px 2px 0; display: flex; flex-direction: column; flex: 1; }
.project-meta { display: flex; justify-content: space-between; gap: 8px; font: 7px/1.5 var(--mono); color: var(--quiet); letter-spacing: .4px; }
.project-copy h3 { margin-top: 7px; font-size: 16px; letter-spacing: -.3px; }
.project-description { margin-top: 10px; font-size: 12px; color: var(--muted); line-height: 1.85; }
.project-stack { margin-top: 15px; font: 9px/1.8 var(--mono); color: var(--quiet); }
.project-bottom { margin-top: auto; padding-top: 17px; }
.project-state { font: 8px/1.7 var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: .3px; }
.project-links { display: flex; flex-wrap: wrap; gap: 6px 13px; margin-top: 10px; }
.project-links a { font: 9px/1.6 var(--mono); border-bottom: 1px solid var(--border); padding-block: 4px; }
.project-links a:hover { color: var(--accent); border-color: var(--accent); }
.project-links .muted { font: 9px/1.7 var(--mono); color: var(--quiet); }
/* Native disclosure: keyboard accessible, searchable and no animation runtime. */
.research-row, .timeline-item { border-top: 1px dotted var(--guide); }
.research-row:last-child, .timeline-item:last-child { border-bottom: 1px dotted var(--guide); }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.research-row summary, .timeline-item summary { display: grid; grid-template-columns: 91px minmax(0,1fr) 16px; align-items: start; gap: 18px; padding: 22px 0; }
summary:hover .research-record-title, summary:hover .timeline-title { color: var(--accent); }
.research-meta { display: flex; flex-direction: column; gap: 6px; font: 8px/1.7 var(--mono); color: var(--quiet); }
.research-meta > span:first-child { color: var(--accent); }
.research-record-title, .timeline-title { font-size: 14px; font-weight: 500; line-height: 1.65; }
.disclosure-symbol { font: 17px/1.3 var(--mono); color: var(--quiet); }
details[open] > summary .disclosure-symbol { font-size: 0; }
details[open] > summary .disclosure-symbol::before { content: '−'; font-size: 17px; }
.record-body { margin-left: 109px; padding: 0 28px 25px 0; color: var(--muted); font-size: 12px; line-height: 1.95; }
.record-body p + p { margin-top: 12px; }
.record-body strong { font-weight: 500; color: var(--fg); }
.record-link { display: inline-flex; gap: 8px; color: var(--fg); border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.record-link:hover { color: var(--accent); }
.timeline-date { position: relative; font: 8px/1.8 var(--mono); color: var(--quiet); padding-left: 13px; }
.timeline-dot { position: absolute; width: 4px; height: 4px; background: var(--accent); left: 0; top: 5px; }
.timeline-heading { display: flex; flex-direction: column; gap: 9px; }
.role-progression { font: 8px/1.9 var(--mono); color: var(--quiet); }
.role-progression span { color: var(--accent); margin-inline: 3px; }
/* Contact is another part of the sheet, not an oversized landing-page footer. */
.contact { width: min(var(--page-width),100%); margin-inline: auto; padding-block: 35px 30px; position: relative; }
.contact .container { width: 100%; }
.contact-heading { display: flex; justify-content: space-between; align-items: center; margin-top: 7px; }
.contact-heading h2 { font-size: 29px; letter-spacing: -1px; }
.contact-arrow { display: grid; place-items: center; width: 35px; height: 35px; border: 1px solid var(--border); border-radius: 5px; color: var(--accent); background: var(--surface); }
.contact-arrow:hover { border-color: var(--accent); }
.email-link { display: inline-flex; align-items: center; gap: 18px; margin-top: 16px; font-size: 15px; letter-spacing: -.3px; padding-bottom: 5px; border-bottom: 1px solid var(--border); }
.email-link:hover { color: var(--accent); border-color: var(--accent); }
.contact-bottom { display: flex; align-items: start; justify-content: space-between; gap: 20px; margin-top: 29px; }
.contact-bottom > p { color: var(--quiet); font-size: 10px; }
.social-links { display: flex; flex-wrap: wrap; gap: 12px; }
.social-links a { display: inline-flex; align-items: center; gap: 6px; font-size: 10px; color: var(--muted); }
.social-links a:hover { color: var(--accent); }
.social-links a svg { width: 12px; height: 12px; }
.social-links a > svg:last-child { width: 10px; height: 10px; }
.site-footer { position: relative; padding-block: 20px 110px; display: flex; justify-content: space-between; gap: 15px; border-top: 1px dotted var(--guide); font: 8px/1.8 var(--mono); color: var(--quiet); }
.site-footer a:hover { color: var(--accent); }
.site-footer::after { content: ''; position: absolute; inset: 51px 0 0; z-index: -1; background-image: radial-gradient(var(--guide) .7px, transparent .7px); background-size: 12px 12px; mask-image: linear-gradient(#0009,transparent); }
/* Searchable command menu, powered by the platform dialog element. */
#command-menu { width: min(480px,calc(100% - 32px)); max-height: calc(100svh - 50px); padding: 0; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--fg); box-shadow: 0 20px 100px #0005; overflow-y: auto; }
#command-menu::backdrop { background: #0009; backdrop-filter: blur(5px); }
.command-header { padding: 22px 22px 18px; display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.command-header h2 { font-size: 20px; letter-spacing: -.5px; margin-top: 5px; }
.command-header .eyebrow { font-size: 8px; }
.search-wrap { display: flex; align-items: center; gap: 12px; padding: 15px 22px; border-block: 1px solid var(--border); color: var(--quiet); }
#command-search { width: 100%; border: 0; outline: none; background: transparent; color: var(--fg); font-size: 13px; }
#command-search::placeholder { color: var(--quiet); }
.command-list { padding: 9px; }
.command-item { display: flex; align-items: center; justify-content: space-between; gap: 15px; width: 100%; border: 0; border-radius: 4px; padding: 11px 13px; font-size: 12px; background: transparent; color: var(--muted); text-align: left; }
.command-item:hover, .command-item:focus { background: var(--surface); color: var(--fg); outline-offset: -2px; }
kbd { font: 9px var(--mono); color: var(--quiet); }
#command-status { padding-inline: 22px; font-size: 11px; color: var(--accent); }
#command-status:not(:empty) { padding-block: 10px; }
.command-footer { display: flex; justify-content: space-between; gap: 15px; padding: 12px 22px; border-top: 1px solid var(--border); font: 8px/1.6 var(--mono); color: var(--quiet); }
@media (max-width: 1120px) {
}
@media (max-width: 600px) {
  :root { font-size: 13px; }
  .container { padding-inline: 20px; }
  .cinematic-intro { height: 200px; }
  .intro-topline,.intro-bottomline { left: 20px; right: 20px; }
  .intro-greeting { left: 20px; bottom: 47px; }
  .intro-name { font-size: 29px; letter-spacing: -1.1px; }
  .intro-brand { right: 20px; font-size: 44px; }
  .intro-bottomline { font-size: 6px; letter-spacing: .2px; }
  .intro-bottomline > span:last-child { padding-right: 0; }
  .banner-clock { bottom: auto; top: 61px; right: 20px; }
  .site-header { min-height: 100px; }
  .brand-mark { width: 62px; height: 62px; }
  .wordmark { gap: 13px; font-size: 22px; }
  .profile-tools { gap: 7px; }
  .utility-button { min-height: 33px; min-width: 33px; }
  .hero { grid-template-columns: minmax(0,1fr); padding-top: 22px; gap: 12px; }
  .hero-title { font-size: 19px; }
  .hero-art { display: flex; align-items: center; gap: 14px; margin-top: 4px; }
  .hero-chip { width: 54px; height: 54px; }
  .art-label { text-align: left; font-size: 7px; }
  .hero-foot { padding-block: 10px 21px; gap: 9px 15px; font-size: 6px; }
  .hero-foot > span:last-child { width: 100%; }
  .section { padding-block: 28px; }
  .section-heading { align-items: start; gap: 15px; margin-bottom: 22px; }
  .section-heading > p { max-width: 140px; font-size: 8px; padding-top: 6px; }
  .section-heading h2,.section-label h2,.about-copy h2 { font-size: 19px; }
  .section-label > span { font-size: 7px; }
  .skill-group { grid-template-columns: 1fr; gap: 9px; }
  .skill-group h3 { font-size: 8px; padding-top: 0; }
  .skills-list span { font-size: 9px; }
  .about-visual { padding: 12px; grid-template-columns: 1fr 2.2fr; gap: 12px; }
  .schematic-bottom { grid-column: 1/-1; flex-direction: row; justify-content: space-between; }
  .system-nodes { font-size: 6px; }
  .project-grid { grid-template-columns: minmax(0,1fr); gap: 30px; }
  .project-visual { aspect-ratio: 1.85; }
  .project-copy h3 { font-size: 18px; }
  .project-description { font-size: 13px; }
  .project-stack { font-size: 10px; }
  .project-state,.project-links a { font-size: 9px; }
  .project-meta,.visual-caption,.visual-corner { font-size: 7px; }
  .research-row summary,.timeline-item summary { grid-template-columns: 66px minmax(0,1fr) 12px; gap: 12px; padding-block: 20px; }
  .research-meta,.timeline-date { font-size: 7px; }
  .research-record-title,.timeline-title { font-size: 13px; }
  .record-body { margin-left: 78px; padding-right: 0; font-size: 12px; }
  .role-progression { font-size: 7px; }
  .contact-heading h2 { font-size: 27px; }
  .email-link { font-size: 14px; gap: 12px; }
  .contact-bottom { flex-direction: column; gap: 14px; margin-top: 24px; }
  .site-footer { font-size: 7px; flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { :root { scroll-behavior: auto; } }
@media print {
  .index-nav,.profile-tools,.intro-skip,#command-menu { display: none; }
  :root { --bg: #fff; --fg: #111; --muted: #333; --quiet: #555; }
  .container,.cinematic-intro,.contact { width: 100%; }
  details:not([open]) .record-body { display: block; }
  .project-card,details { break-inside: avoid; }
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .project-diagram { transition: transform 180ms ease; }
  .project-card:hover .project-diagram { transform: translateY(2px) scale(.97); }
}