:root {
  color-scheme: light;
  --color-bg: #fff; --color-surface: #f7f8f8; --color-surface-alt: #edf0f1;
  --color-text: #101820; --color-secondary: #34434c; --color-muted: #46545d;
  --color-accent: #8a4b08; --color-accent-hover: #6e3904; --color-border: #d8dee1;
  --color-control-border: #667780; --color-success: #176344;
  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', monospace;
  --container: 75rem; --reading-width: 42rem; --gutter: 1.25rem; --section: 4rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font: 1.125rem/1.65 var(--font-body); }
button, input { font: inherit; }
a { color: var(--color-accent); text-decoration-thickness: 1px; text-underline-offset: .22em; }
a:hover { color: var(--color-accent-hover); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
img, svg { max-width: 100%; height: auto; }
img { display: block; }
button { cursor: pointer; }
[hidden] { display: none !important; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl { margin: 0; }
h1, h2 { font-family: var(--font-display); font-weight: 400; }
h1 { font-size: clamp(2.5rem, 1.5rem + 4vw, 5rem); line-height: 1.08; letter-spacing: -.02em; }
h2 { font-size: clamp(2rem, 1.5rem + 1.5vw, 3rem); line-height: 1.16; letter-spacing: -.01em; }
h3 { font-size: 1.5rem; line-height: 1.3; font-weight: 600; }
p + p { margin-top: 1rem; }
.container { width: 100%; max-width: var(--container); padding-inline: var(--gutter); margin-inline: auto; }
.section { padding-block: var(--section); border-top: 1px solid var(--color-border); }
.eyebrow { display: block; color: var(--color-muted); font: .875rem/1.5 var(--font-mono); margin-bottom: 1.5rem; }
.eyebrow .index { color: var(--color-accent); margin-right: .75rem; }
.muted { color: var(--color-muted); }
.skip-link { position: absolute; top: .5rem; left: 1rem; z-index: 10; padding: .75rem 1rem; background: white; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--color-border); }
.header-inner { min-height: 5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--color-text); min-height: 2.75rem; font-size: 1rem; font-weight: 600; }
.brand-mark { border: 1px solid var(--color-control-border); border-radius: 4px; width: 2.25rem; height: 2.25rem; display: grid; place-items: center; font: 1.125rem var(--font-display); }
.nav-links { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.nav-links a { min-height: 2.75rem; display: inline-flex; align-items: center; color: var(--color-secondary); font-size: 1rem; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current] { text-decoration: underline; text-underline-offset: .4em; }
.menu-toggle { background: white; border: 1px solid var(--color-control-border); border-radius: 4px; color: var(--color-text); padding: .5rem .8rem; min-height: 2.75rem; font-size: 1rem; }
.menu-toggle .menu-close, .menu-toggle[aria-expanded=true] .menu-open { display: none; }
.menu-toggle[aria-expanded=true] .menu-close { display: inline; }
.hero { padding-top: 3.5rem; padding-bottom: 3.5rem; display: grid; gap: 3rem; }
.hero .eyebrow { font-family: var(--font-body); font-size: .9375rem; }
.hero h1 { max-width: 16ch; }
.hero h1 em { font-weight: 400; color: var(--color-accent); }
.hero-description { color: var(--color-secondary); margin-top: 1.75rem; max-width: 49ch; }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1rem; min-height: 2.75rem; padding: .75rem 1.25rem; border: 1px solid var(--color-accent); border-radius: 4px; background: var(--color-accent); color: white; font-size: 1rem; font-weight: 600; line-height: 1.5; text-decoration: none; transition: background-color 120ms ease, color 120ms ease; }
.button:hover { color: white; background: var(--color-accent-hover); }
.button.secondary { color: var(--color-text); background: white; border-color: var(--color-control-border); }
.button.secondary:hover { background: var(--color-surface-alt); }
.portrait { max-width: 22.5rem; align-self: center; }
.portrait img { border-radius: 12px; width: 100%; aspect-ratio: 1; object-fit: cover; }
.portrait figcaption { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1rem; font: .875rem/1.5 var(--font-mono); color: var(--color-muted); }
.discipline-line { display: flex; flex-wrap: wrap; gap: .75rem 2rem; padding-block: 1.5rem; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: .875rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.section-heading p { max-width: 37ch; color: var(--color-secondary); font-size: 1rem; }
.project-grid { display: grid; gap: 2rem; }
.project { border: 1px solid var(--color-border); border-radius: 8px; overflow: clip; }
.project-content { padding: 1.5rem; }
.project-meta { display: flex; justify-content: space-between; gap: 1rem; font: .875rem/1.5 var(--font-mono); color: var(--color-muted); margin-bottom: 1.25rem; }
.project-title { font-size: 1.75rem; letter-spacing: -.02em; margin-bottom: .75rem; }
.project-title a { color: var(--color-text); text-decoration: none; }
.project-title a:hover { text-decoration: underline; }
.project p { font-size: 1rem; color: var(--color-secondary); }
.project .contribution { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.contribution strong { display: block; font-size: .875rem; color: var(--color-text); margin-bottom: .25rem; }
.tags { display: flex; flex-wrap: wrap; list-style: none; padding: 0; gap: .5rem; margin-top: 1.5rem; }
.tags li { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 4px; padding: .25rem .5rem; font-size: .875rem; line-height: 1.5; }
.project-link { display: inline-flex; align-items: center; gap: .75rem; min-height: 2.75rem; margin-top: 1rem; font-size: 1rem; font-weight: 600; }
.project-visual { padding: 1.5rem; background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
.project-visual .diagram-flow { margin: 0; }
.diagram-flow { display: flex; align-items: stretch; list-style: none; padding: 0; gap: 1.5rem; }
.diagram-flow li { position: relative; flex: 1; border: 1px solid var(--color-control-border); border-radius: 8px; background: white; padding: 1rem; font-size: 1rem; text-align: center; }
.diagram-flow li:not(:last-child)::after { content: '→'; position: absolute; right: -1.25rem; top: 50%; transform: translateY(-50%); color: var(--color-secondary); font-size: 1rem; }
.diagram-flow span { display: block; font: .875rem/1.5 var(--font-mono); color: var(--color-muted); margin-top: .25rem; }
.project-visual .diagram-flow li { padding: .75rem .25rem; font-size: .875rem; }
.visual-caption { font: .875rem/1.5 var(--font-mono); color: var(--color-muted); margin-top: 1rem; }
.project.streaming { display: flex; flex-direction: column; }
.streaming-art { padding: 1.5rem; background: var(--color-surface); border-bottom: 1px solid var(--color-border); min-height: 10.5rem; display: flex; align-items: center; justify-content: center; }
.streaming-art svg { width: 18rem; height: 7rem; }
.expertise-grid { display: grid; gap: 0 2rem; }
.expertise-item { padding-block: 2rem; border-top: 1px solid var(--color-border); }
.expertise-item .index { font: .875rem var(--font-mono); color: var(--color-accent); margin-bottom: 1rem; display: block; }
.expertise-item h3 { font-size: 1.25rem; margin-bottom: .75rem; }
.expertise-item p { color: var(--color-secondary); font-size: 1rem; }
.expertise-item a { display: inline-flex; align-items: center; min-height: 2.75rem; margin-top: .75rem; font-size: .9375rem; }
.about-layout { display: grid; gap: 2.5rem; }
.about-copy { max-width: 65ch; }
.about-copy p { color: var(--color-secondary); }
.about-note { margin-top: 2rem; border-left: 2px solid var(--color-accent); padding-left: 1.5rem; color: var(--color-text); font-size: 1.25rem; }
.experience-list { list-style: none; padding: 0; margin-top: 2rem; }
.experience-list li { display: grid; grid-template-columns: 1fr auto; gap: .75rem; padding: .875rem 0; border-top: 1px solid var(--color-border); font-size: 1rem; }
.experience-list span { color: var(--color-muted); }
.contact-layout { display: grid; gap: 2rem; }
.contact-copy { max-width: 52ch; color: var(--color-secondary); }
.contact-links { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 1.5rem; }
.contact-links a { min-height: 2.75rem; display: inline-flex; align-items: center; gap: 1rem; font-size: 1rem; }
.footer-inner { border-top: 1px solid var(--color-border); padding-block: 2rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: .875rem; color: var(--color-muted); }
.footer-inner a { min-height: 2.75rem; display: inline-flex; align-items: center; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; font-size: .875rem; margin-top: 2rem; }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 2.75rem; }
.breadcrumb span { display: inline-flex; align-items: center; }
.case-header { padding-block: 2.5rem 3.5rem; max-width: 60rem; }
.case-header h1 { font-size: clamp(2.25rem, 1.5rem + 3vw, 4rem); line-height: 1.12; max-width: 22ch; }
.case-lead { font-size: clamp(1.125rem, 1rem + .5vw, 1.375rem); line-height: 1.55; color: var(--color-secondary); max-width: 52ch; margin-top: 1.5rem; }
.case-meta { display: grid; gap: 1.5rem; margin-top: 2rem; }
.case-meta dt { color: var(--color-muted); font-size: .875rem; margin-bottom: .25rem; }
.case-meta dd { margin: 0; font-size: 1rem; }
.case-meta .status { color: var(--color-success); }
.case-body { max-width: var(--reading-width); margin-inline: auto; padding-block: 2rem 4rem; }
.contents { border-block: 1px solid var(--color-border); padding-block: 1.5rem; margin-bottom: 3rem; }
.contents h2 { font: 600 1rem var(--font-body); letter-spacing: 0; }
.contents ul { display: flex; flex-wrap: wrap; gap: .25rem 1.5rem; list-style: none; padding: 0; margin-top: .75rem; }
.contents a { font-size: .9375rem; min-height: 2.75rem; display: inline-flex; align-items: center; }
.case-section { margin-top: 3rem; }
.case-section h2 { font-size: 2rem; margin-bottom: 1.5rem; }
.case-section h3 { font-size: 1.25rem; margin-block: 1.5rem .75rem; }
.case-section p, .case-section li { color: var(--color-secondary); }
.case-section ul, .case-section ol { padding-left: 1.5rem; }
.case-section li + li { margin-top: .75rem; }
.architecture { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; padding: 1.5rem; margin-block: 2rem; }
.architecture figcaption { margin-top: 1.25rem; font-size: .875rem; color: var(--color-muted); }
.decision { border-left: 2px solid var(--color-accent); padding-left: 1.5rem; margin-block: 1.5rem; }
.outcome { background: var(--color-surface); padding: 1.5rem; border-radius: 8px; }
.case-next { display: flex; gap: 1.5rem; flex-wrap: wrap; border-top: 1px solid var(--color-border); padding-top: 2rem; margin-top: 3rem; }
.case-next a { min-height: 2.75rem; display: inline-flex; align-items: center; }
.not-found { padding-block: 6rem; max-width: 50rem; }
.not-found p { margin-top: 1.5rem; }
@media (max-width: 47.999rem) {
  .nav-links { width: 100%; gap: .25rem; flex-direction: column; }
  .nav-links[data-enhanced=true][data-open=false] { display: none; }
  .portrait { width: min(100%, 17.5rem); }
  .hero-description { font-size: 1rem; }
  .section-heading { gap: 1.25rem; }
  .project-visual { padding: 1.25rem; }
  .diagram-flow { flex-direction: column; }
  .diagram-flow li:not(:last-child)::after { content: '↓'; right: 50%; top: auto; bottom: -1.55rem; transform: translateX(50%); }
  .experience-list li { grid-template-columns: 1fr; gap: .125rem; }
}
@media (min-width: 48rem) {
  :root { --gutter: 2rem; --section: 5rem; }
  .menu-toggle { display: none; }
  .hero { grid-template-columns: 1.55fr 1fr; align-items: center; padding-block: 4rem; }
  .project-grid, .expertise-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .case-meta { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .contact-layout { grid-template-columns: 1fr 1.2fr; }
}
@media (min-width: 64rem) {
  :root { --gutter: 3rem; --section: 6rem; }
  .hero { grid-template-columns: 7fr 4fr; gap: 5rem; padding-block: 4.5rem; }
  .hero .portrait { justify-self: end; }
  .expertise-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .about-layout { grid-template-columns: 1fr 1.6fr; gap: 5rem; }
  .project-content { padding: 2rem; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }
@media (forced-colors: active) { .button, .brand-mark, .project, .tags li, .diagram-flow li { border: 1px solid ButtonText; } :focus-visible { outline-color: Highlight; } }
.expertise-item .expertise-tools { margin-top: 1rem; font-size: .875rem; color: var(--color-muted); }
.about-copy .approach-detail { margin-top: 1.5rem; font-size: 1rem; }

h1, h2, h3, p, a, dd { overflow-wrap: anywhere; }