:root {
  --bg: #080b0e; --panel: #0d1216; --text: #eef3f1; --muted: #9aa8aa;
  --dim: #5d6b6e; --line: #263337; --accent: #b9e36a; --accent-dim: #617a39; --max: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.5; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: linear-gradient(120deg, rgba(185,227,106,.03), transparent 35%), radial-gradient(circle at 75% 10%, rgba(102,150,150,.08), transparent 28%); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip-link { position: absolute; left: 1rem; top: -5rem; z-index: 10; padding: .7rem 1rem; background: var(--accent); color: #0a1008; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; min-height: 76px; padding: 0 max(1.5rem, calc((100vw - var(--max)) / 2)); border-bottom: 1px solid var(--line); background: rgba(8,11,14,.9); backdrop-filter: blur(14px); }
.wordmark { font-weight: 800; letter-spacing: .12em; }
.wordmark span { color: var(--accent); font-weight: 400; }
.site-nav { display: flex; align-items: center; gap: 1.5rem; color: var(--muted); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.menu-toggle { display: none; padding: .55rem 0; border: 0; background: transparent; color: var(--text); cursor: pointer; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.site-nav a:hover, .site-nav a:focus-visible, .text-link:hover, .text-link:focus-visible { color: var(--accent); }
.nav-action { padding-left: 1.5rem; border: 0; border-left: 1px solid var(--line); background: transparent; color: var(--text); cursor: default; font: inherit; }
.section-shell { max-width: var(--max); margin: auto; padding-right: 1.5rem; padding-left: 1.5rem; }
.eyebrow, .hero-index, .section-number, .orbit-label, .detail-kicker, .card-index, .evidence-list span, .constraint-list span { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: .65rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px rgba(185,227,106,.12); }
.hero { display: grid; grid-template-columns: minmax(320px,.8fr) minmax(560px,1.2fr); align-items: center; gap: 3rem; min-height: calc(100vh - 76px); padding-top: 4rem; padding-bottom: 5rem; }
.hero-index { margin-top: 4rem; color: var(--accent); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: .8rem 0 1.5rem; font-size: clamp(3.1rem, 7.1vw, 6.9rem); line-height: .9; letter-spacing: -.08em; }
.hero-role { margin-bottom: 1rem; font-size: clamp(1.3rem, 2.2vw, 2rem); letter-spacing: -.035em; }
.hero-lede { max-width: 35rem; color: var(--muted); font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; gap: 1rem; padding: .85rem 1.1rem; border: 1px solid var(--line); font-size: .77rem; letter-spacing: .08em; text-transform: uppercase; transition: background .2s, border-color .2s; }
.button-primary { border-color: var(--accent); background: var(--accent); color: #10160b; font-weight: 700; }
.button-primary:hover, .button-primary:focus-visible { background: #d6f59a; }
.button-quiet { color: var(--muted); }
.button-quiet:hover, .button-quiet:focus-visible { border-color: var(--accent); color: var(--accent); }
.orbit-label { display: flex; justify-content: space-between; margin: 0 0 .75rem; color: var(--dim); }
.orbit-stage { position: relative; max-width: 640px; aspect-ratio: 1; margin: auto; }
.orbit-lines { width: 100%; height: 100%; overflow: visible; }
.orbit-lines circle, .orbit-lines path { fill: none; stroke-width: 1; }
.orbit-ring-outer { stroke: #33454a; stroke-dasharray: 1 7; opacity: .65; transform-box: fill-box; transform-origin: center; animation: orbit-drift 42s linear infinite; }
.orbit-ring-inner { stroke: var(--accent-dim); stroke-dasharray: 2 9; opacity: .8; }
.orbit-axis { stroke: var(--line); opacity: .75; }
.orbit-cross { stroke: #33454a; opacity: .55; }
.orbit-core-mark { fill: var(--accent) !important; stroke: none !important; }
.orbit-core { position: absolute; top: 50%; left: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; width: 150px; height: 150px; transform: translate(-50%,-50%); border: 1px solid var(--accent-dim); border-radius: 50%; background: rgba(14,22,19,.94); box-shadow: 0 0 0 16px rgba(185,227,106,.025), 0 0 50px rgba(185,227,106,.08); text-align: center; }
.orbit-core::before { content: ""; position: absolute; inset: -10px; border: 1px solid rgba(185,227,106,.14); border-radius: 50%; }
.orbit-core span, .orbit-core small { color: var(--muted); font-size: .55rem; letter-spacing: .12em; }
.orbit-core strong { font-size: 1rem; letter-spacing: .08em; }
.orbit-core small { margin-top: .4rem; color: var(--accent); }
.capability-node { position: absolute; width: max-content; max-width: 12rem; transform: translate(-50%,-50%); }
.node-1 { top: 2%; left: 50%; }.node-2 { top: 25%; left: 88%; }.node-3 { top: 75%; left: 88%; }.node-4 { top: 98%; left: 50%; }.node-5 { top: 75%; left: 12%; }.node-6 { top: 25%; left: 12%; }
.capability-node button { padding: .45rem; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: .76rem; line-height: 1.2; text-align: left; }
.capability-node button:hover, .capability-node button:focus-visible, .capability-node button[aria-pressed="true"] { color: var(--text); }
.capability-node button::after { display: block; width: 5px; height: 5px; margin-top: .45rem; border-radius: 50%; background: var(--accent); content: ""; }
.node-number { display: block; margin-bottom: .25rem; color: var(--accent); font-size: .6rem; letter-spacing: .12em; }
.capability-detail { max-width: 35rem; min-height: 7rem; margin: .5rem auto 0; padding-top: 1rem; border-top: 1px solid var(--line); }
.detail-kicker { margin-bottom: .4rem; color: var(--accent); }.detail-copy { margin-bottom: .3rem; }.detail-evidence { margin: 0; color: var(--muted); font-size: .85rem; }
.content-section, .architecture-section, .systems-section, .simple-section, .contact-section { padding-top: 8rem; padding-bottom: 8rem; border-top: 1px solid var(--line); }
.section-intro { max-width: 42rem; margin-bottom: 3rem; }.section-intro h2, .simple-section h2, .contact-section h2 { margin: .6rem 0 1.3rem; font-size: clamp(2.3rem,5vw,4.5rem); line-height: 1; letter-spacing: -.06em; }.section-intro > p:last-child { color: var(--muted); font-size: 1.08rem; }
.capability-field { display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 5rem; }
.capability-field article { display: grid; grid-template-columns: 3.4rem 1fr; gap: 1rem; min-height: 12rem; padding: 1.4rem 0; border-top: 1px solid var(--line); }
.capability-field article > span { color: var(--accent); font-size: 1.7rem; letter-spacing: -.08em; }.capability-field h3 { margin: .1rem 0 .65rem; font-size: 1.2rem; }.capability-field p { margin-bottom: 1rem; color: var(--muted); font-size: .9rem; }.capability-field small { color: var(--accent-dim); font-size: .7rem; }
.thesis { max-width: 30rem; color: var(--text) !important; font-size: clamp(1.5rem,3.2vw,2.8rem) !important; }.architecture-intro { max-width: 48rem; }
.architecture-map { position: relative; display: grid; grid-template-columns: minmax(260px,1fr) 7rem minmax(260px,1fr); grid-template-rows: auto 4.5rem auto; align-items: center; column-gap: 2rem; padding: 1.5rem 0; }
.arch-zone, .arch-trust { position: relative; padding: 1.5rem; border: 1px solid var(--line); background: rgba(13,18,22,.55); }.arch-zone h3, .arch-trust h3 { margin: 1.5rem 0 .7rem; font-size: 1.25rem; }.arch-zone p, .arch-trust p { margin: 0; color: var(--muted); font-size: .9rem; }.arch-probabilistic { grid-column: 1; grid-row: 1; }.arch-deterministic { grid-column: 1; grid-row: 3; border-color: var(--accent-dim); }.arch-human { grid-column: 3; grid-row: 3; }.arch-trust { grid-column: 3; grid-row: 1 / span 2; align-self: stretch; display: flex; flex-direction: column; justify-content: center; border-color: #394d3b; background: linear-gradient(90deg, rgba(97,122,57,.08), transparent); }.arch-boundary { grid-column: 1; grid-row: 2; display: flex; align-items: center; gap: .7rem; padding-left: 2rem; color: var(--accent); font-size: .62rem; letter-spacing: .12em; }.arch-boundary i { display: block; width: 1px; height: 3.3rem; background: var(--accent-dim); }.arch-boundary b { font-size: 1.3rem; font-weight: 400; }.arch-boundary-vertical { grid-column: 2; grid-row: 2 / span 2; display: flex; align-items: center; justify-content: center; gap: .7rem; height: 100%; color: var(--dim); font-size: .58rem; letter-spacing: .12em; writing-mode: vertical-rl; }.arch-boundary-vertical i { display: block; width: 1px; height: 4rem; background: var(--line); }
.split-intro { display: flex; align-items: end; justify-content: space-between; gap: 3rem; max-width: none; }.split-intro > p { max-width: 22rem; }.system-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }.system-card { display: flex; flex-direction: column; min-height: 27rem; padding: 1.5rem; border: 1px solid var(--line); transition: border-color .2s, transform .2s; }.system-card:hover, .system-card.highlighted { border-color: var(--accent-dim); transform: translateY(-3px); }.system-card h3 { max-width: 27rem; margin: 1.5rem 0 1rem; font-size: 1.35rem; line-height: 1.15; }.system-card > p { max-width: 34rem; color: var(--muted); }.signature { display: flex; align-items: center; flex-wrap: wrap; gap: .45rem; min-height: 3.7rem; margin: 0 0 1.1rem; padding: .75rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: .68rem; line-height: 1.15; }.signature span, .signature strong { padding: .35rem .45rem; border-left: 2px solid var(--line); font-weight: 500; }.signature strong { color: var(--accent); border-left-color: var(--accent-dim); }.signature i { color: var(--accent-dim); font-style: normal; }.tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: auto; margin-bottom: 1.5rem; }.tags span { padding: .28rem .45rem; border: 1px solid var(--line); color: var(--dim); font-size: .65rem; }.text-link { width: max-content; padding: 0; border: 0; background: none; color: var(--accent); cursor: pointer; font-size: .75rem; letter-spacing: .08em; text-align: left; text-transform: uppercase; }
.constraint-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }.constraint-list article { padding: 0 1.2rem; border-left: 2px solid var(--accent-dim); }.constraint-list p { margin: 1rem 0; color: var(--text); }.constraint-list strong { color: var(--muted); font-size: .9rem; font-weight: 500; }
.thesis-small { color: var(--text) !important; font-size: clamp(1.4rem,2.6vw,2.2rem) !important; }.evolution-trajectory { display: grid; grid-template-columns: minmax(150px,1fr) minmax(220px,2fr) minmax(180px,1fr); gap: 2rem; align-items: center; }.trajectory-label { display: flex; flex-direction: column; gap: .35rem; }.trajectory-label > span { color: var(--accent); font-size: 3.5rem; letter-spacing: -.08em; }.trajectory-label strong { font-size: 1.1rem; }.trajectory-label small, .evolution-notes p { color: var(--muted); font-size: .8rem; }.trajectory-line { position: relative; height: 3rem; }.trajectory-line i { position: absolute; top: 50%; right: 0; left: 0; height: 1px; background: var(--accent-dim); }.trajectory-line b { position: absolute; top: calc(50% - .8rem); right: -1px; color: var(--accent); font-size: 1.5rem; font-weight: 400; }.trajectory-line span { position: absolute; top: -.2rem; left: 50%; z-index: 1; padding: 0 .6rem; transform: translateX(-50%); background: var(--bg); color: var(--dim); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }.evolution-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--line); }.evolution-notes p { margin: 0; }
.evidence-list { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem 2rem; }.evidence-list article { display: flex; flex-direction: column; gap: .65rem; min-height: 7rem; padding-top: .8rem; border-top: 1px solid var(--line); }.evidence-list span { color: var(--accent); }.evidence-list strong { font-weight: 500; }.evidence-list small { color: var(--dim); font-size: .72rem; }.evidence-public { grid-column: span 2; min-height: 8rem !important; padding: 1.2rem !important; border: 1px solid var(--accent-dim) !important; }.evidence-list a { margin-top: auto; color: var(--accent); font-size: .8rem; }
.about, .contact-section { display: grid; grid-template-columns: .65fr 1.35fr; gap: 4rem; }.about h2 { margin-top: 0; }.about p { max-width: 48rem; color: var(--muted); font-size: 1.1rem; }.contact-section { background: linear-gradient(110deg, rgba(185,227,106,.04), transparent 55%); }.contact-section h2 { max-width: 38rem; }.contact-section p { max-width: 34rem; color: var(--muted); font-size: 1.05rem; }.pending-note { display: block; margin-top: 1rem; color: var(--dim); font-size: .7rem; }.site-footer { display: flex; justify-content: space-between; padding-top: 1.3rem; padding-bottom: 1.5rem; border-top: 1px solid var(--line); color: var(--dim); font-size: .65rem; letter-spacing: .12em; }
.capability-node button:focus-visible, .button:focus-visible, .menu-toggle:focus-visible, .site-nav a:focus-visible, .text-link:focus-visible, .evidence-list a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
@keyframes orbit-drift { to { transform: rotate(360deg); } }
@media (max-width: 950px) { .hero { grid-template-columns: 1fr; gap: 3rem; }.orbit-wrap { width: 100%; max-width: 680px; margin: auto; }.architecture-map { grid-template-columns: 1fr 5rem 1fr; }.capability-field { column-gap: 2.5rem; }.about, .contact-section { grid-template-columns: 1fr; gap: 1rem; } }
@media (max-width: 680px) {
  .site-header { position: sticky; min-height: 64px; padding: 1rem 1.2rem; align-items: center; }.menu-toggle { display: block; }.site-nav { position: absolute; top: 100%; right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: .6rem 1.2rem 1rem; border-bottom: 1px solid var(--line); background: rgba(8,11,14,.98); }.site-header.menu-open .site-nav { display: flex; }.site-nav a { padding: .85rem 0; border-bottom: 1px solid var(--line); font-size: .7rem; }.site-nav .nav-action { padding-left: 0; border-left: 0; border-bottom: 0; color: var(--text); }.section-shell { padding-right: 1.2rem; padding-left: 1.2rem; }.hero { min-height: auto; padding-top: 3rem; padding-bottom: 4rem; }.hero-index { margin-top: 3rem; }.hero-lede { font-size: 1rem; }
  .orbit-stage { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; aspect-ratio: auto; padding: 1rem 0; }.orbit-lines { display: none; }.orbit-core { position: relative; top: auto; left: auto; grid-column: 1 / -1; width: 110px; height: 110px; margin: 0 auto 1rem; transform: none; }.capability-node { position: static; max-width: none; transform: none; }.capability-node button { width: 100%; min-height: 4.5rem; padding: .8rem; border: 1px solid var(--line); }.capability-node button::after { display: none; }.node-number { margin-bottom: .4rem; }.capability-detail { min-height: 8rem; }
  .content-section, .architecture-section, .systems-section, .simple-section, .contact-section { padding-top: 5rem; padding-bottom: 5rem; }.capability-field, .system-grid, .constraint-list, .evidence-list { grid-template-columns: 1fr; }.capability-field { column-gap: 0; }.architecture-map { display: flex; flex-direction: column; gap: 1rem; }.arch-zone, .arch-trust { width: 100%; }.arch-probabilistic { order: 1; }.arch-boundary { order: 2; }.arch-deterministic { order: 3; }.arch-trust { order: 4; }.arch-human { order: 5; }.arch-boundary-vertical { order: 6; }.arch-boundary, .arch-boundary-vertical { width: 100%; height: auto; padding: 0; writing-mode: initial; }.arch-boundary { flex-direction: column; gap: .25rem; }.arch-boundary i { width: 1px; height: 1.5rem; }.arch-boundary-vertical { justify-content: flex-start; }.arch-boundary-vertical i { width: 100%; height: 1px; }.split-intro { display: block; }.system-card { min-height: 0; }.signature { align-items: flex-start; }.evolution-trajectory { grid-template-columns: 1fr; gap: 1rem; }.trajectory-line { height: 2.8rem; }.trajectory-line i { right: 0; left: 0; }.trajectory-line span { top: .7rem; }.evolution-notes { grid-template-columns: 1fr; gap: .4rem; }.evidence-public { grid-column: auto; }.site-footer { display: block; line-height: 2; }.site-footer span { display: block; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }.orbit-ring-outer { animation: none; }.system-card, .button { transition: none; } }

/* Reusable case-study shell */
.case-page { background: #080b0e; }
.case-main { overflow: hidden; }
.case-hero { padding-top: 4rem; padding-bottom: 6rem; }
.case-hero-meta { display: flex; justify-content: space-between; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
.case-back { color: var(--accent); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.case-hero-grid { display: grid; grid-template-columns: minmax(0,1fr) 18rem; gap: 5rem; align-items: end; padding-top: 4rem; }
.case-system-code { margin: 0 0 1rem; color: var(--accent); font-size: .7rem; letter-spacing: .14em; }
.case-hero h1 { max-width: 850px; margin: 0 0 1.5rem; font-size: clamp(3rem,7vw,6.5rem); line-height: .92; letter-spacing: -.08em; }
.case-positioning { max-width: 38rem; margin-bottom: 2rem; color: var(--muted); font-size: 1.15rem; }
.case-tags { display: flex; flex-wrap: wrap; gap: .5rem; }.case-tags span { padding: .35rem .55rem; border: 1px solid var(--line); color: var(--muted); font-size: .68rem; }
.case-status { padding: 1.25rem; border-left: 2px solid var(--accent-dim); background: rgba(185,227,106,.035); }.case-status span, .case-status strong { display: block; color: var(--accent); font-size: .65rem; letter-spacing: .12em; }.case-status strong { margin: 1.2rem 0 .5rem; color: var(--text); }.case-status small { color: var(--muted); font-size: .75rem; }
.case-section { display: grid; grid-template-columns: 8rem 1fr; gap: 3rem; padding-top: 6rem; padding-bottom: 6rem; border-top: 1px solid var(--line); }.case-section-label { padding-top: .25rem; color: var(--dim); }.case-section-label span { color: var(--accent); font-size: 1.4rem; letter-spacing: -.06em; }.case-section-label p { margin: .4rem 0 0; font-size: .62rem; letter-spacing: .14em; }.case-section h2 { margin: 0 0 1.2rem; font-size: clamp(2.2rem,4.5vw,4.2rem); line-height: 1; letter-spacing: -.06em; }.case-lead { max-width: 42rem; color: var(--muted); font-size: 1.08rem; }
.case-editorial-copy { max-width: 800px; }.case-editorial-copy .case-lead { font-size: clamp(1.3rem,2.5vw,2rem); color: var(--text); }.case-challenge { max-width: 520px; margin-top: 4rem; padding-top: 1rem; border-top: 1px solid var(--accent-dim); }.case-kicker, .case-challenge p:first-child { color: var(--accent); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; }.case-challenge p:last-child { color: var(--muted); }
.case-wide { min-width: 0; }.case-architecture { background: linear-gradient(100deg, rgba(185,227,106,.035), transparent 52%); }.case-architecture-map { display: grid; grid-template-columns: repeat(9,1fr); align-items: center; gap: .5rem; margin-top: 3rem; padding: 1.5rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.case-arch-node { min-height: 8rem; padding: 1rem; border-left: 2px solid var(--line); background: rgba(13,18,22,.62); }.case-arch-node span, .case-arch-node strong, .case-arch-node small { display: block; }.case-arch-node span { color: var(--accent); font-size: .65rem; }.case-arch-node strong { margin: 1.2rem 0 .5rem; font-size: .75rem; line-height: 1.1; }.case-arch-node small { color: var(--muted); font-size: .68rem; }.case-input { grid-column: 1 / span 2; }.case-model { grid-column: 3 / span 2; border-left-color: var(--accent-dim); }.case-control { grid-column: 5 / span 1; border-left-color: var(--accent); }.case-deterministic { grid-column: 6 / span 2; border-left-color: var(--accent-dim); }.case-output { grid-column: 8 / span 2; }.case-arch-line { color: var(--accent-dim); text-align: center; }.case-architecture-map > .case-arch-line:nth-of-type(1) { grid-column: 3; }.case-architecture-map > .case-arch-line:nth-of-type(2) { grid-column: 6; }.case-architecture-map > .case-arch-line:nth-of-type(3) { grid-column: 8; }.case-architecture-map > .case-arch-line:nth-of-type(4) { grid-column: 10; }
.case-two-col { display: grid; grid-template-columns: minmax(220px,.8fr) 1.2fr; gap: 4rem; }.responsibility-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }.responsibility-list li { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }.responsibility-list span { color: var(--accent); }.responsibility-list strong, .responsibility-list small { display: block; }.responsibility-list small { margin-top: .25rem; color: var(--muted); font-size: .8rem; }
.decision-list { border-top: 1px solid var(--line); }.decision-list article { display: grid; grid-template-columns: 8rem minmax(140px,.8fr) 1fr 1fr; gap: 1.5rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }.decision-list article > span, .decision-list b { color: var(--accent); font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; }.decision-list h3, .decision-list p { margin: 0; font-size: .9rem; }.decision-list p { color: var(--muted); }.decision-list b { display: block; margin-bottom: .4rem; }
.boundary-map { display: grid; grid-template-columns: 1fr 6rem 1fr; gap: 1rem 1.5rem; align-items: stretch; margin-top: 3rem; }.boundary-map article { padding: 1.4rem; border-top: 2px solid var(--line); }.boundary-map article span { color: var(--accent); font-size: .65rem; letter-spacing: .1em; }.boundary-map article p { margin: 1rem 0 0; color: var(--muted); font-size: .9rem; }.boundary-map article:nth-of-type(2) { border-top-color: var(--accent-dim); }.boundary-rule { display: flex; align-items: center; justify-content: center; gap: .5rem; grid-column: 1 / -1; color: var(--accent); font-size: .6rem; letter-spacing: .12em; }.boundary-rule i { display: block; flex: 1; height: 1px; background: var(--accent-dim); }.boundary-human { grid-column: 1; border-left: 2px solid var(--accent-dim); }.boundary-outside { grid-column: 3; border-left: 2px solid var(--line); }
.failure-pair { display: grid; grid-template-columns: 1fr 4rem 1fr; gap: 1rem; align-items: center; margin-top: 3rem; }.failure-pair article { min-height: 13rem; padding: 1.5rem; border: 1px solid var(--line); }.failure-pair article:last-child { border-color: var(--accent-dim); }.failure-pair article span { color: var(--accent); font-size: .65rem; letter-spacing: .1em; }.failure-pair h3 { margin: 2rem 0 .7rem; font-size: 1.1rem; }.failure-pair p { margin: 0; color: var(--muted); font-size: .9rem; }.failure-arrow { color: var(--accent); font-size: 1.8rem; text-align: center; }
.case-table-wrap { overflow-x: auto; margin-top: 2rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.case-table-wrap table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: .82rem; }.case-table-wrap th, .case-table-wrap td { padding: 1rem .8rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }.case-table-wrap th { color: var(--accent); font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; }.case-table-wrap td { color: var(--muted); }.case-table-wrap tr:last-child td { border-bottom: 0; }
.evidence-options { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-top: 2rem; }.evidence-options article { min-height: 10rem; padding: 1.2rem; border-top: 1px solid var(--line); }.evidence-options article:nth-child(-n+2) { border-top-color: var(--accent-dim); }.evidence-options span, .scope-grid span { display: block; color: var(--accent); font-size: .65rem; letter-spacing: .1em; }.evidence-options strong { display: block; margin: 1.5rem 0 .7rem; font-size: .9rem; font-weight: 500; }.evidence-options small { color: var(--dim); font-size: .72rem; }.scope-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }.scope-grid article { padding: 1.2rem; border-left: 2px solid var(--line); }.scope-grid article:first-child { border-left-color: var(--accent-dim); }.scope-grid p { color: var(--muted); font-size: .9rem; }.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 900px) { .case-hero-grid { grid-template-columns: 1fr; gap: 2rem; }.case-status { max-width: 24rem; }.case-section { grid-template-columns: 5rem 1fr; gap: 2rem; }.case-two-col { gap: 2rem; }.decision-list article { grid-template-columns: 7rem 1fr 1fr; }.decision-list article h3 { grid-column: 2 / -1; }.evidence-options { grid-template-columns: repeat(2,1fr); }.scope-grid { grid-template-columns: 1fr; } }
@media (max-width: 680px) { .case-hero { padding-top: 3rem; padding-bottom: 4rem; }.case-hero-meta { display: block; }.case-back { display: inline-block; margin-top: 1.2rem; }.case-hero-grid { padding-top: 3rem; }.case-section { display: block; padding-top: 4.5rem; padding-bottom: 4.5rem; }.case-section-label { display: flex; gap: .75rem; align-items: baseline; margin-bottom: 1.5rem; }.case-section-label p { margin: 0; }.case-architecture-map { display: flex; flex-direction: column; align-items: stretch; gap: .5rem; }.case-arch-node { min-height: 0; }.case-arch-line { transform: rotate(90deg); height: 1.5rem; }.case-two-col, .failure-pair { grid-template-columns: 1fr; }.decision-list article { display: block; }.decision-list article > span, .decision-list h3, .decision-list p { margin-bottom: .8rem; }.boundary-map { display: flex; flex-direction: column; }.boundary-rule { flex-direction: column; }.boundary-rule i { width: 100%; flex: none; }.boundary-human, .boundary-outside { border-left: 0; }.failure-arrow { transform: rotate(90deg); }.evidence-options { grid-template-columns: 1fr; }.case-status { max-width: none; } }
@media (max-width: 680px) { .case-responsibility .responsibility-list li { display: block; }.case-responsibility .responsibility-list span { display: block; margin-bottom: .35rem; }.case-responsibility .responsibility-list strong { font-size: 1rem; }.case-responsibility .responsibility-list small { max-width: none; line-height: 1.5; } }
@media (max-width: 680px) { .case-table-wrap { overflow: visible; }.case-table-wrap table { display: block; min-width: 0; width: 100%; }.case-table-wrap thead { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }.case-table-wrap tbody { display: block; }.case-table-wrap tr { display: block; padding: .7rem 0; border-bottom: 1px solid var(--line); }.case-table-wrap tr:last-child { border-bottom: 0; }.case-table-wrap td { display: grid; grid-template-columns: minmax(7.5rem, 35%) minmax(0,1fr); gap: .8rem; padding: .6rem 0; border-bottom: 0; overflow-wrap: anywhere; }.case-table-wrap td::before { content: attr(data-label); color: var(--accent); font-size: .63rem; letter-spacing: .08em; text-transform: uppercase; }.case-table-wrap td:first-child { color: var(--text); font-weight: 600; } }
 .s01-flow { display: flex; flex-direction: column; align-items: center; gap: .45rem; margin-top: 3rem; padding: 1.5rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(13,18,22,.35); }.s01-flow-node { width: min(100%, 35rem); padding: 1rem 1.2rem; border-left: 2px solid var(--line); background: rgba(13,18,22,.7); }.s01-flow-node:nth-of-type(1), .s01-flow-node:nth-of-type(3), .s01-flow-node:nth-of-type(5) { border-left-color: var(--accent-dim); }.s01-flow-node span, .s01-flow-node strong, .s01-flow-node small { display: block; }.s01-flow-node span { color: var(--accent); font-size: .65rem; }.s01-flow-node strong { margin: .45rem 0 .25rem; font-size: .78rem; }.s01-flow-node small { color: var(--muted); font-size: .75rem; }.s01-flow > i { color: var(--accent-dim); font-style: normal; }.s01-flow-branch { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; width: min(100%, 35rem); }.s01-flow-branch .s01-flow-node { width: 100%; }.s01-flow-final { border-left-color: var(--accent) !important; }.s01-authority-note { margin-top: 1rem; padding-left: 1rem; border-left: 2px solid var(--accent-dim); }.s01-authority-note span { color: var(--accent); font-size: .65rem; letter-spacing: .1em; }.s01-authority-note p { margin: .6rem 0 0; max-width: 45rem; color: var(--muted); font-size: .9rem; }.case-lesson { margin: 2rem 0 0; padding-top: 1rem; border-top: 1px solid var(--accent-dim); color: var(--text); font-size: 1.1rem; }
 @media (max-width: 680px) { .s01-flow { padding: 1rem 0; }.s01-flow-branch { grid-template-columns: 1fr; gap: .5rem; }.s01-flow-node { width: 100%; }.case-lesson { font-size: 1rem; } }
@media (min-width: 681px) { .case-architecture-map { grid-template-columns: repeat(13,1fr); }.case-input { grid-column: 1 / span 2; }.case-model { grid-column: 4 / span 2; }.case-control { grid-column: 7 / span 2; }.case-deterministic { grid-column: 10 / span 2; }.case-output { grid-column: 13; }.case-line-1 { grid-column: 3; }.case-line-2 { grid-column: 6; }.case-line-3 { grid-column: 9; }.case-line-4 { grid-column: 12; } }
@media (max-width: 680px) { .case-responsibility .responsibility-list small { display: block; max-width: none; line-height: 1.5; } }
@media (min-width: 681px) { .case-evidence .evidence-options { grid-template-columns: minmax(0, 36rem); } }
.case-boundaries .boundary-map > article:nth-of-type(2) { border-top: 0; }
@media (min-width: 681px) { .case-responsibility .case-two-col { grid-template-columns: minmax(180px,.35fr) minmax(0,1.65fr); grid-template-rows: auto 1fr; gap: 3rem; align-items: start; }.case-responsibility .responsibility-heading { grid-column: 1; grid-row: 1; }.case-responsibility .responsibility-intro { grid-column: 1; grid-row: 2; }.case-responsibility .responsibility-list { grid-column: 2; grid-row: 2; margin-top: 0; }.case-responsibility .responsibility-list li { grid-template-columns: 4rem minmax(10rem, auto) minmax(0, 1fr); } }
@media (min-width: 681px) { .responsibility-title-break { display: block; } }
@media (max-width: 680px) { .responsibility-title-break { display: inline; } }