:root {
  --ink: #0a0d0c;
  --ink-2: #111816;
  --paper: #eef1e9;
  --muted: #9ca8a1;
  --line: rgba(238, 241, 233, 0.18);
  --line-strong: rgba(238, 241, 233, 0.42);
  --signal: #69f5bd;
  --warning: #ff7047;
  --selection: #c7a6ff;
  --display: Georgia, "Times New Roman", serif;
  --sans: Arial, Helvetica, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:root[data-theme="light"] {
  --ink: #edf0e8;
  --ink-2: #dfe5dc;
  --paper: #111613;
  --muted: #58635c;
  --line: rgba(17, 22, 19, 0.15);
  --line-strong: rgba(17, 22, 19, 0.4);
  --signal: #007b57;
  --warning: #c74725;
  --selection: #684ca1;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
}
a { color: inherit; }
button { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; background: var(--signal); color: var(--ink); padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 76px;
  display: grid;
  grid-template-columns: minmax(230px, 1fr) auto minmax(110px, 1fr);
  align-items: center;
  gap: 2rem;
  padding: .7rem clamp(1rem, 3vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--ink) 92%, transparent);
  backdrop-filter: blur(16px);
}
.identity { display: inline-flex; align-items: center; gap: .8rem; width: max-content; text-decoration: none; }
.identity-mark { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--signal); color: var(--signal); font: 700 .76rem var(--mono); }
.identity strong, .identity small { display: block; }
.identity strong { font-size: .94rem; letter-spacing: .01em; }
.identity small { color: var(--muted); font: .68rem var(--mono); letter-spacing: .06em; }
nav { display: flex; gap: clamp(1rem, 3vw, 2.6rem); }
nav a { position: relative; text-decoration: none; color: var(--muted); font: .72rem var(--mono); text-transform: uppercase; letter-spacing: .12em; }
nav a:hover, nav a:focus-visible, nav a.is-active { color: var(--paper); }
nav a.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -.55rem; height: 2px; background: var(--signal); }
.theme-toggle { justify-self: end; display: flex; gap: .5rem; align-items: center; border: 1px solid var(--line); background: transparent; color: var(--muted); padding: .55rem .7rem; cursor: pointer; font: .72rem var(--mono); }
.theme-toggle:hover, .theme-toggle:focus-visible { border-color: var(--signal); color: var(--signal); }
.field { min-height: calc(100svh - 76px); display: grid; grid-template-columns: minmax(0, .92fr) minmax(480px, 1.08fr); grid-template-rows: 1fr auto; }
.field-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(3rem, 7vw, 7.5rem) clamp(1.25rem, 5vw, 6rem); border-right: 1px solid var(--line); }
.eyebrow { margin: 0 0 2.25rem; color: var(--muted); font: .72rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.live-dot { display: inline-block; width: 7px; height: 7px; margin-right: .65rem; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 5px rgba(105,245,189,.08); }
h1 { max-width: 10ch; margin: 0; font: 400 clamp(3.4rem, 7vw, 7.8rem)/.91 var(--display); letter-spacing: -.06em; }
h1 em { display: block; color: var(--signal); font-weight: 400; }
.lede { max-width: 65ch; margin: 2.4rem 0 0; color: var(--muted); font-size: clamp(1rem, 1.25vw, 1.2rem); }
.field-actions { display: flex; flex-wrap: wrap; gap: 1.4rem; align-items: center; margin-top: 2.4rem; }
.primary-link { display: inline-flex; justify-content: space-between; gap: 2rem; min-width: 250px; padding: .9rem 1rem; background: var(--signal); color: var(--ink); text-decoration: none; font: 700 .78rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.primary-link:hover, .primary-link:focus-visible { background: var(--paper); }
.text-link { color: var(--muted); text-underline-offset: .25rem; font: .78rem var(--mono); }
.text-link:hover, .text-link:focus-visible { color: var(--paper); }
.atlas { position: relative; display: grid; grid-template-rows: auto 1fr auto; min-height: 640px; overflow: hidden; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 46px 46px; }
.atlas-heading, .atlas-readout { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 1.2rem; background: var(--ink); border-bottom: 1px solid var(--line); font: .7rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.atlas-coordinates { color: var(--muted); }
.domain-map { position: relative; min-height: 480px; }
.map-lines { position: absolute; inset: 7% 7%; width: 86%; height: 86%; overflow: visible; }
.map-lines path, .map-lines circle { fill: none; stroke: var(--line-strong); stroke-width: 1; stroke-dasharray: 4 5; vector-effect: non-scaling-stroke; }
.map-core { position: absolute; left: 50%; top: 50%; width: 112px; height: 112px; translate: -50% -50%; display: grid; place-content: center; text-align: center; background: var(--ink-2); border: 1px solid var(--signal); outline: 10px solid rgba(105,245,189,.045); }
.map-core span, .map-core strong { display: block; }
.map-core span { color: var(--muted); font: .65rem var(--mono); text-transform: uppercase; }
.map-core strong { color: var(--signal); font: 400 1rem var(--display); font-style: italic; }
.domain-node { position: absolute; width: min(210px, 35%); padding: .8rem; text-align: left; border: 1px solid var(--line-strong); background: var(--ink); color: var(--paper); cursor: pointer; box-shadow: 7px 7px 0 rgba(10,13,12,.68); }
.domain-node > span, .domain-node > strong, .domain-node > small { display: block; }
.domain-node > span { color: var(--signal); font: .63rem var(--mono); }
.domain-node > strong { margin-top: .12rem; font-size: .9rem; }
.domain-node > small { color: var(--muted); font: .64rem var(--mono); }
.domain-node:hover, .domain-node:focus-visible, .domain-node.is-active { border-color: var(--signal); outline: none; }
.domain-node.is-active { background: var(--signal); color: var(--ink); }
.domain-node.is-active > span, .domain-node.is-active > small { color: var(--ink); }
.node-data { left: 5%; top: 7%; }
.node-infra { right: 5%; top: 7%; }
.node-agents { left: 5%; bottom: 7%; }
.node-writing { right: 5%; bottom: 7%; }
.atlas-readout { align-items: start; border-top: 1px solid var(--line); border-bottom: 0; text-transform: none; }
.readout-index { flex: 0 0 96px; color: var(--signal); text-transform: uppercase; }
.readout-copy { max-width: 60ch; margin: 0; color: var(--muted); font-family: var(--sans); letter-spacing: 0; }
.scale-strip { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.scale-strip > div { display: flex; align-items: baseline; gap: .7rem; padding: .85rem clamp(1rem, 2vw, 2rem); border-right: 1px solid var(--line); }
.scale-strip > div:last-child { border-right: 0; }
.scale-strip strong { color: var(--warning); font: 400 1.45rem var(--display); }
.scale-strip span { color: var(--muted); font: .65rem var(--mono); text-transform: uppercase; }

.section-shell {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  border-top: 1px solid var(--line);
}
.section-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem .5rem;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font: .64rem var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.section-rail > span { color: var(--signal); }
.section-rail > i { width: 1px; min-height: 68px; flex: 1; background: var(--line); }
.section-rail > small { writing-mode: vertical-rl; transform: rotate(180deg); font: inherit; }
.section-content { min-width: 0; padding: clamp(4.5rem, 8vw, 8rem) clamp(1rem, 5vw, 6rem); }
.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .55fr);
  align-items: end;
  gap: clamp(2rem, 6vw, 7rem);
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}
.section-kicker { margin: 0 0 1.25rem; color: var(--signal); font: .68rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.section-header h2 { margin: 0; font: 400 clamp(3rem, 6.2vw, 6.8rem)/.9 var(--display); letter-spacing: -.055em; }
.section-header h2 em { color: var(--signal); font-weight: 400; }
.section-header > p { max-width: 56ch; margin: 0; color: var(--muted); font-size: 1.02rem; }
.filter-bar { display: flex; align-items: center; gap: .65rem; padding: .75rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow-x: auto; }
.filter-bar > span { margin-right: .45rem; color: var(--muted); font: .63rem var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.filter-button { flex: 0 0 auto; padding: .5rem .72rem; border: 1px solid transparent; background: transparent; color: var(--muted); cursor: pointer; font: .7rem var(--mono); }
.filter-button:hover, .filter-button:focus-visible { color: var(--paper); border-color: var(--line-strong); }
.filter-button.is-active { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.system-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-left: 1px solid var(--line); }
.system-card {
  --card-accent: var(--signal);
  --card-pad: clamp(1.3rem, 3vw, 2.6rem);
  position: relative;
  min-height: 580px;
  display: flex;
  flex-direction: column;
  padding: var(--card-pad);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  transition: background-color .2s ease, color .2s ease;
}
.system-card::before { content: ""; position: absolute; left: 0; top: 0; width: 0; height: 3px; background: var(--card-accent); transition: width .3s ease; }
.system-card:hover::before, .system-card:focus-within::before { width: 100%; }
.card-appservice { --card-accent: var(--warning); }
.card-household { --card-accent: var(--selection); }
.card-kotona { --card-accent: var(--paper); }
.system-card.is-filtered { display: none; }
.card-topline { display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font: .63rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.status { display: inline-flex; align-items: center; gap: .45rem; }
.status i { width: 6px; height: 6px; border-radius: 50%; background: var(--card-accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--card-accent) 10%, transparent); }
.card-domain { margin: 4rem 0 .65rem; color: var(--card-accent); font: .68rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.system-card h3 { margin: 0; max-width: 13ch; font: 400 clamp(2.5rem, 4vw, 4.5rem)/.95 var(--display); letter-spacing: -.04em; }
.card-summary { max-width: 62ch; margin: 1.5rem 0 2rem; color: var(--muted); }
.boundary-list { display: grid; gap: .65rem; margin: auto 0 1.4rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.boundary-list > div { display: grid; grid-template-columns: 72px 1fr; gap: 1rem; }
.boundary-list dt { color: var(--card-accent); font: .62rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.boundary-list dd { margin: 0; color: var(--muted); font-size: .9rem; }
.system-card details { border-top: 1px solid var(--line); }
.system-card summary { display: flex; justify-content: space-between; align-items: center; padding: .8rem 0; color: var(--muted); cursor: pointer; list-style: none; font: .67rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.system-card summary::-webkit-details-marker { display: none; }
.system-card summary span { color: var(--card-accent); font-size: 1rem; transition: rotate .2s ease; }
.system-card details[open] summary span { rotate: 45deg; }
.system-card details p { margin: 0 0 1rem; color: var(--muted); font-size: .88rem; }
.card-link { display: flex; justify-content: space-between; align-items: center; margin: 0 calc(0px - var(--card-pad)) calc(0px - var(--card-pad)); padding: 1rem var(--card-pad); border-top: 1px solid var(--line); color: var(--paper); text-decoration: none; font: .7rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.card-link:hover, .card-link:focus-visible { background: var(--card-accent); color: var(--ink); }

.method { background: var(--ink-2); }
.method-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(320px, .65fr); gap: clamp(2rem, 5vw, 6rem); align-items: start; }
.method-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.method-list li { display: grid; grid-template-columns: 50px minmax(0, 1fr) 180px; gap: clamp(1rem, 3vw, 3rem); align-items: start; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.method-number { color: var(--signal); font: .68rem var(--mono); }
.method-list h3 { margin: -.25rem 0 .35rem; font: 400 1.55rem var(--display); }
.method-list p { max-width: 65ch; margin: 0; color: var(--muted); }
.method-list small { color: var(--muted); text-align: right; font: .62rem var(--mono); text-transform: uppercase; letter-spacing: .07em; }
.anti-patterns { position: sticky; top: 110px; border: 1px solid var(--warning); background: var(--ink); }
.anti-topline { display: flex; justify-content: space-between; padding: .8rem 1rem; border-bottom: 1px solid color-mix(in srgb, var(--warning) 45%, transparent); color: var(--warning); font: .62rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.anti-patterns h3 { margin: 0; padding: 1.5rem 1rem 2rem; font: 400 2.15rem/1 var(--display); }
.anti-patterns ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.anti-patterns li { display: grid; grid-template-columns: 32px 1fr; gap: .75rem; padding: 1rem; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .86rem; }
.anti-patterns li span { color: var(--warning); font: .62rem var(--mono); }
.anti-patterns s { text-decoration-color: var(--warning); text-decoration-thickness: 1px; }
.margin-note { margin: 0; padding: 1rem; color: var(--paper); font: italic 1rem var(--display); }

.evidence-ledger { border-top: 1px solid var(--line-strong); }
.evidence-ledger article { display: grid; grid-template-columns: minmax(160px, .38fr) minmax(0, 1fr) 170px; gap: clamp(1rem, 4vw, 5rem); padding: 2rem 0; border-bottom: 1px solid var(--line); align-items: start; }
.evidence-mark strong, .evidence-mark span { display: block; }
.evidence-mark strong { color: var(--warning); font: 400 clamp(2.2rem, 4vw, 4rem)/1 var(--display); letter-spacing: -.04em; }
.evidence-mark span, .evidence-ledger article > small { margin-top: .35rem; color: var(--muted); font: .62rem var(--mono); text-transform: uppercase; letter-spacing: .07em; }
.evidence-label { margin: 0 0 .5rem; color: var(--signal); font: .63rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.evidence-ledger h3 { margin: 0 0 .6rem; font: 400 1.65rem var(--display); }
.evidence-ledger article div:nth-child(2) > p:last-child { max-width: 72ch; margin: 0; color: var(--muted); }
.evidence-ledger article > small { justify-self: end; text-align: right; }
.role-statement { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 6rem); margin-top: clamp(4rem, 8vw, 8rem); padding: clamp(2rem, 5vw, 5rem); background: var(--signal); color: var(--ink); }
.role-statement > p { margin: .25rem 0 0; font: .65rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.role-statement h3 { max-width: 24ch; margin: 0; font: 400 clamp(2.2rem, 4.5vw, 4.8rem)/.98 var(--display); letter-spacing: -.035em; }
.role-tags { grid-column: 2; display: flex; flex-wrap: wrap; gap: .5rem; padding-top: 1.4rem; border-top: 1px solid color-mix(in srgb, var(--ink) 35%, transparent); }
.role-tags span { padding: .45rem .65rem; border: 1px solid color-mix(in srgb, var(--ink) 45%, transparent); font: .65rem var(--mono); text-transform: uppercase; }

.now { background: var(--paper); color: var(--ink); }
.now .section-rail { border-color: color-mix(in srgb, var(--ink) 18%, transparent); }
.now .section-rail > i { background: color-mix(in srgb, var(--ink) 18%, transparent); }
.now .section-header > p { color: color-mix(in srgb, var(--ink) 63%, transparent); }
.question-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid color-mix(in srgb, var(--ink) 35%, transparent); border-left: 1px solid color-mix(in srgb, var(--ink) 35%, transparent); }
.question-grid article { min-height: 330px; padding: clamp(1.4rem, 3vw, 2.5rem); border-right: 1px solid color-mix(in srgb, var(--ink) 35%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--ink) 35%, transparent); }
.question-grid article > span { color: var(--warning); font: .65rem var(--mono); }
.question-grid h3 { max-width: 12ch; margin: 4rem 0 1rem; font: 400 clamp(2rem, 3.5vw, 3.6rem)/.98 var(--display); letter-spacing: -.035em; }
.question-grid p { max-width: 46ch; margin: 0; color: color-mix(in srgb, var(--ink) 64%, transparent); }
.personal-band { display: grid; grid-template-columns: minmax(190px, .45fr) minmax(300px, 1fr) minmax(260px, .65fr); gap: clamp(1.5rem, 5vw, 5rem); align-items: end; margin-top: clamp(4rem, 8vw, 8rem); padding-top: 2rem; border-top: 1px solid color-mix(in srgb, var(--ink) 35%, transparent); }
.personal-band h3 { margin: 0; font: 400 2.3rem var(--display); }
.personal-band > p { margin: 0; color: color-mix(in srgb, var(--ink) 64%, transparent); }
.personal-band > a { justify-self: end; color: var(--ink); text-underline-offset: .3rem; font: .68rem var(--mono); text-transform: uppercase; }

.site-footer { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 3rem; padding: clamp(3rem, 7vw, 7rem) clamp(1rem, 5vw, 6rem) 2rem; border-top: 1px solid var(--line); background: var(--ink); color: var(--paper); }
.footer-statement > span { color: var(--signal); font: .65rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.footer-statement p { max-width: 15ch; margin: 1rem 0 0; font: 400 clamp(3rem, 6.7vw, 7rem)/.9 var(--display); letter-spacing: -.055em; }
.footer-statement em { color: var(--signal); font-weight: 400; }
.footer-links { display: flex; flex-direction: column; align-items: flex-end; gap: .8rem; padding-top: 2rem; }
.footer-links a { color: var(--muted); text-underline-offset: .3rem; font: .72rem var(--mono); text-transform: uppercase; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--signal); }
.footer-fineprint { grid-column: 1 / -1; margin: 5rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font: .62rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }

:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }
::selection { background: var(--selection); color: var(--ink); }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; gap: .55rem 1rem; }
  nav { grid-column: 1 / -1; grid-row: 2; justify-content: space-between; padding-top: .2rem; }
  .field { grid-template-columns: 1fr; }
  .field-copy { border-right: 0; border-bottom: 1px solid var(--line); }
  h1 { max-width: 12ch; }
  .scale-strip { grid-template-columns: repeat(2, 1fr); }
  .scale-strip > div:nth-child(2) { border-right: 0; }
  .scale-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section-header { grid-template-columns: 1fr; align-items: start; }
  .system-grid { grid-template-columns: 1fr; }
  .method-layout { grid-template-columns: 1fr; }
  .anti-patterns { position: static; }
  .question-grid { grid-template-columns: 1fr; }
  .question-grid article { min-height: 250px; }
  .personal-band { grid-template-columns: 1fr; align-items: start; }
  .personal-band > a { justify-self: start; }
}

@media (max-width: 620px) {
  .site-header { min-height: 64px; padding: .6rem 1rem; }
  .identity small, .toggle-label { display: none; }
  nav { gap: 1rem; overflow-x: auto; padding: .25rem 0 .1rem; }
  nav a { flex: 0 0 auto; font-size: .63rem; }
  .field { min-height: calc(100svh - 92px); }
  .field-copy { padding: 3.5rem 1rem 3rem; }
  h1 { font-size: clamp(3.05rem, 16vw, 5rem); }
  .atlas { min-height: 590px; }
  .domain-map { min-height: 450px; }
  .domain-node { width: 42%; }
  .map-core { width: 92px; height: 92px; }
  .atlas-readout { display: block; }
  .readout-copy { margin-top: .4rem; }
  .scale-strip > div { display: block; }
  .scale-strip strong, .scale-strip span { display: block; }
  .section-shell { grid-template-columns: 1fr; }
  .section-rail { display: none; }
  .section-content { padding: 4.5rem 1rem; }
  .section-header h2 { font-size: clamp(2.85rem, 15vw, 4.6rem); }
  .filter-bar > span { display: none; }
  .system-card { --card-pad: 1.2rem; min-height: 560px; }
  .method-list li { grid-template-columns: 34px minmax(0, 1fr); }
  .method-list small { grid-column: 2; text-align: left; }
  .evidence-ledger article { grid-template-columns: 1fr; gap: 1.2rem; }
  .evidence-ledger article > small { justify-self: start; text-align: left; }
  .role-statement { grid-template-columns: 1fr; padding: 2rem 1.2rem; }
  .role-tags { grid-column: 1; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-links { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}