:root {
  --paper: #f3efe4;
  --paper-strong: #e9e1d2;
  --ink: #192531;
  --accent: #b94635;
  --muted: #59626a;
  --rule: #bdb5a6;
  --serif: Georgia, "Times New Roman", "Noto Serif CJK SC", serif;
  --sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Mono", Consolas, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); }
body { margin: 0; font-family: var(--sans); line-height: 1.6; }
a { color: inherit; }
.skip-link { position: absolute; left: 1rem; top: -4rem; }
.skip-link:focus { top: 1rem; z-index: 20; background: var(--ink); color: var(--paper); padding: .75rem 1rem; }
.site-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 5vw; border-bottom: 1px solid var(--ink); }
.site-header nav { display: flex; gap: 1.25rem; }
.brand { font-family: var(--serif); font-size: 1.4rem; text-decoration: none; }
.hero { min-height: 68vh; padding: 12vh 7vw 8vh; }
.hero h1 { margin: 1rem 0 1.6rem; font: 500 clamp(2.8rem, 6vw, 6rem)/1.15 var(--serif); letter-spacing: -.04em; }
.hero h1 span { display: block; }
.hero > p:not(.eyebrow) { max-width: 47rem; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.75rem; margin-top: 2rem; }
.hero-actions a { display: inline-flex; align-items: center; gap: 1.5rem; min-height: 48px; padding: .7rem 0; text-underline-offset: .3em; }
.hero-actions .primary-link { background: var(--ink); color: var(--paper); padding: .8rem 1.2rem; text-decoration: none; }
.hero .hero-note { margin-top: 1.5rem; font-size: .82rem; }
.method-link { display: inline-block; margin-top: 1rem; padding: .6rem 0; text-underline-offset: .3em; }
.summer-list { display: grid; gap: 1.5rem; padding-left: 1.5rem; }
.summer-list li { padding-left: .5rem; }
.summer-list strong { display: block; margin-bottom: .3rem; }
.summer-list p { margin: 0; max-width: 48rem; color: var(--muted); }
.hero > p:last-child { max-width: 44rem; color: var(--muted); }
.eyebrow { color: var(--accent); font: .75rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.section-heading { padding: 4rem 5vw 2rem; border-block: 1px solid var(--ink); }
.section-heading h2 { max-width: 24ch; margin: .75rem 0 0; font: 500 clamp(2rem, 4vw, 4rem)/1.2 var(--serif); text-wrap: balance; }
.selected-work { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.section-heading { grid-column: 1 / -1; }
.featured-case { position: relative; display: grid; grid-template-rows: auto auto auto minmax(0, 1fr) auto; gap: .9rem; min-width: 0; min-height: 32rem; padding: 1.4rem; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); opacity: 1; transform: none; transition: background 160ms ease, color 160ms ease; }
.motion-ready .featured-case { opacity: .72; transform: translateY(.75rem); transition: opacity 220ms ease, transform 220ms ease, background 160ms ease; }
.featured-case:nth-of-type(even) { border-right: 0; }
.featured-case.is-visible { opacity: 1; transform: none; }
.featured-case:hover, .featured-case:focus-within { background: var(--ink); color: var(--paper); }
.featured-case:focus-within { outline: 3px solid var(--accent); outline-offset: -4px; box-shadow: inset 0 0 0 5px var(--paper); }
.featured-case:hover > span, .featured-case:hover > strong, .featured-case:hover > p,
.featured-case:focus-within > span, .featured-case:focus-within > strong, .featured-case:focus-within > p { color: var(--paper); }
.featured-case > span, .featured-case > strong { font: .68rem var(--mono); color: var(--accent); text-transform: uppercase; }
.featured-case .live-progress { position: absolute; top: 1.4rem; right: 1.4rem; max-width: min(55%, 22rem); color: var(--muted); font: .65rem/1.4 var(--mono); text-align: right; }
.featured-case:hover .live-progress, .featured-case:focus-within .live-progress { color: var(--paper); }
.featured-case h3 { margin: 0; font: 500 1.55rem var(--serif); }
.featured-case h3 span { display: inline-block; transition: transform 160ms ease; }
.featured-case:hover h3 span, .featured-case:focus-within h3 span { transform: translateX(.35rem); }
.featured-case h3 a::after { content: ""; position: absolute; inset: 0; z-index: 3; }
.featured-case p { margin: 0; color: var(--muted); }
.featured-case a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.archive-invite { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--ink); }
.archive-invite > div { padding: 4rem 5vw; }
.archive-invite > div:first-child { border-right: 1px solid var(--ink); }
.archive-invite strong { color: var(--accent); font: 500 5rem/1 var(--serif); }
.method-band { padding: 5rem 7vw; background: var(--ink); color: var(--paper); }
footer { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; padding: 2rem 5vw; background: var(--ink); color: var(--paper); overflow-wrap: anywhere; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.page-intro { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(14rem, .65fr); gap: 2rem; padding: 10vh 7vw 6vh; border-bottom: 1px solid var(--ink); }
.page-intro h1 { margin: .75rem 0; font: 500 clamp(2.6rem, 6vw, 5.8rem)/1 var(--serif); letter-spacing: -.045em; }
.about-section { max-width: 76rem; margin: 0 auto; padding: clamp(4rem, 8vw, 7rem) clamp(1.5rem, 7vw, 6rem); border-bottom: 1px solid var(--rule); }
.about-section h2 { max-width: 22ch; margin: .75rem 0 1.5rem; font: 500 clamp(2rem, 4vw, 4rem)/1.05 var(--serif); letter-spacing: -.035em; }
.about-section > p:last-child { max-width: 46rem; margin: 0; color: var(--muted); }
.method-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin: 3rem 0 0; padding: 1px; list-style: none; background: var(--rule); }
.method-list li { display: grid; gap: .5rem; min-width: 0; padding: 1.5rem; background: var(--paper); }
.method-list strong { font: 500 1.35rem var(--serif); }
.method-list span { max-width: 32rem; color: var(--muted); }
.editorial-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); }
.badge { display: inline-flex; align-items: center; min-height: 1.75rem; padding: .25rem .5rem; border: 1px solid currentColor; font: .68rem var(--mono); text-transform: uppercase; }
.contact-band { display: flex; justify-content: space-between; gap: 2rem; align-items: center; padding: 3rem 5vw; background: var(--accent); color: #fff8ef; }
.notice { margin: 2rem 5vw; padding: 1rem; border: 1px solid var(--accent); }
.not-found { min-height: 70vh; display: grid; align-content: center; justify-items: start; padding: 8vw; }
.not-found h1 { margin: 1rem 0; font: 500 clamp(3rem, 8vw, 7rem)/1 var(--serif); }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; padding: 1rem 5vw; border-bottom: 1px solid var(--rule); }
.filters button { min-height: 2.75rem; padding: .5rem .85rem; border: 1px solid var(--rule); background: transparent; color: var(--ink); font: .72rem var(--mono); }
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.archive-status { padding: 1rem 5vw; margin: 0; color: var(--muted); }
.archive-row { display: grid; grid-template-columns: 4rem minmax(0, 1fr) 8rem; gap: 1.5rem; align-items: center; padding: 1.5rem 5vw; border-top: 1px solid var(--rule); }
.archive-row h2 { margin: 0; font: 500 1.35rem var(--serif); }
.archive-row p { margin: .35rem 0 0; color: var(--muted); }
.archive-row small { display: block; margin-top: .45rem; color: var(--muted); font: .68rem var(--mono); }
.case-hero .live-progress { display: block; margin-top: 1.25rem; color: var(--accent); font: .72rem var(--mono); }
.archive-id { color: var(--accent); font: .72rem var(--mono); }
.case-hero { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(18rem, .7fr); border-bottom: 1px solid var(--ink); }
.case-hero > * { padding: 8vh 6vw; }
.case-hero > * + * { border-left: 1px solid var(--ink); }
.case-hero > .case-hero__visual { grid-column: 1 / -1; min-width: 0; padding: 1.5rem 6vw; border-top: 1px solid var(--ink); border-left: 0; }
.case-hero__visual .evidence-scene { width: 100%; }
.case-hero h1 { margin: .75rem 0; font: 500 clamp(3rem, 7vw, 7rem)/.95 var(--serif); letter-spacing: -.05em; }
.case-hero dl { margin: 0; }
.case-hero dl div { padding: 1rem 0; border-top: 1px solid var(--rule); }
.case-hero dt { color: var(--accent); font: .68rem var(--mono); text-transform: uppercase; }
.case-hero dd { margin: .35rem 0 0; }
.case-snapshot, .case-chapter, .case-boundary { padding: 4rem max(6vw, calc((100vw - 70rem) / 2)); border-bottom: 1px solid var(--rule); }
.case-snapshot ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 1px; padding: 0; list-style: none; background: var(--rule); }
.case-snapshot li { padding: 1.25rem; background: var(--paper); }
.case-chapter h2, .case-boundary h2 { max-width: 22ch; font: 500 clamp(2rem, 4vw, 4rem)/1 var(--serif); }
.case-chapter > p:last-child, .case-boundary > p { max-width: 48rem; color: var(--muted); }
.case-boundary { background: var(--ink); color: var(--paper); }
.case-links { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.case-links a, .case-related a { display: inline-block; padding: .75rem 1rem; border: 1px solid currentColor; }
.case-related { margin-top: 1rem; }
.private-note { max-width: 48rem; margin: 0; padding: 3rem 6vw; }
.case-missing { min-height: 70vh; padding: 10vw; }
@media (max-width: 760px) {
  .hero h1 { font-size: clamp(1.65rem, 7.5vw, 3.5rem); }
  .site-header { align-items: flex-start; }
  .site-header nav { flex-wrap: wrap; justify-content: flex-end; gap: .65rem 1rem; }
  .selected-work { grid-template-columns: 1fr; }
  .featured-case { border-right: 0; }
  .page-intro { grid-template-columns: 1fr; }
  .method-list { grid-template-columns: 1fr; }
  .contact-band { align-items: flex-start; flex-direction: column; }
  .case-hero { grid-template-columns: 1fr; }
  .case-hero > * + * { border-left: 0; border-top: 1px solid var(--ink); }
}
@media (max-width: 620px) {
  .archive-invite { grid-template-columns: 1fr; }
  .archive-invite > div:first-child { border-right: 0; border-bottom: 1px solid var(--ink); }
  .archive-row { grid-template-columns: 2.75rem minmax(0, 1fr); }
  .archive-row .badge { grid-column: 2; justify-self: start; }
}
@media (prefers-reduced-motion: reduce) {
  .featured-case, .motion-ready .featured-case { opacity: 1; transform: none; transition: none; }
  .featured-case h3 span,
  .featured-case:hover h3 span,
  .featured-case:focus-within h3 span { transition: none; transform: none; }
}