:root {
  --ink: #07110f;
  --ink-deep: #030806;
  --ink-raised: #0d1b17;
  --ink-panel: #11231d;
  --paper: #f2f0e7;
  --paper-soft: #d3d7cc;
  --muted: #96a69d;
  --line: rgba(220, 240, 228, 0.14);
  --line-strong: rgba(220, 240, 228, 0.28);
  --mint: #8cf8c8;
  --mint-hot: #c9ffe8;
  --acid: #d8ff77;
  --amber: #ffc86d;
  --cyan: #7ce7ff;
  --violet: #c6a6ff;
  --rose: #ff9fc5;
  --grey: #b7c1bb;
  --max: 1280px;
  --pad: clamp(1.1rem, 4vw, 4.5rem);
  --display: "Arial Narrow", "Aptos Display", "Segoe UI Variable Display", "Helvetica Neue", sans-serif;
  --body: "Segoe UI Variable Text", "Aptos", "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(.2, .75, .25, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
body::selection { color: var(--ink-deep); background: var(--mint); }
a { color: inherit; text-underline-offset: .18em; }
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 3px solid var(--acid);
  outline-offset: 4px;
}
[hidden] { display: none !important; }

.ambient-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: .52;
  background:
    radial-gradient(circle at 78% 8%, rgba(140, 248, 200, .09), transparent 30rem),
    linear-gradient(rgba(220, 240, 228, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220, 240, 228, .025) 1px, transparent 1px);
  background-size: auto, 38px 38px, 38px 38px;
  mask-image: linear-gradient(to bottom, #000 0, transparent 88%);
}

.skip-link {
  position: fixed;
  z-index: 100;
  left: 1rem;
  top: -5rem;
  padding: .7rem 1rem;
  color: var(--ink);
  background: var(--acid);
  font-weight: 800;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 3rem);
  width: min(100%, calc(var(--max) + var(--pad) * 2));
  margin: 0 auto;
  padding: 1.25rem var(--pad);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  min-height: 44px;
  text-decoration: none;
}
.brand img { filter: drop-shadow(0 0 10px rgba(140, 248, 200, .2)); }
.brand span { display: grid; line-height: 1.02; }
.brand strong {
  font-family: var(--display);
  font-size: 1.02rem;
  letter-spacing: .035em;
  text-transform: uppercase;
}
.brand small {
  margin-top: .26rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(.5rem, 1.5vw, 1.35rem);
}
.site-nav a, .signal-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--paper-soft);
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: .42rem;
  height: 1px;
  background: var(--mint);
  transition: right .2s var(--ease);
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--mint-hot); }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { right: 0; }
.signal-link {
  gap: .5rem;
  padding: 0 .9rem;
  color: var(--mint-hot);
  border: 1px solid rgba(140, 248, 200, .4);
}
.signal-link span {
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(140, 248, 200, .06), 0 0 18px var(--mint);
  animation: signalPulse 2.4s ease-in-out infinite;
}
.menu-toggle { display: none; }

main { overflow: clip; }
.section-shell, .content-shell {
  width: min(100%, calc(var(--max) + var(--pad) * 2));
  margin-inline: auto;
  padding-inline: var(--pad);
}
.content-shell { max-width: calc(1120px + var(--pad) * 2); }
.eyebrow, .section-number, .signal-kicker, .definition-id {
  margin: 0 0 .8rem;
  color: var(--mint);
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
h1, h2, h3, p { text-wrap: pretty; }
h1, h2, h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 780;
  line-height: .98;
  letter-spacing: -.035em;
}
h1 { font-size: clamp(3.25rem, 8vw, 8.2rem); }
h2 { font-size: clamp(2.25rem, 5vw, 5.3rem); }
h3 { font-size: clamp(1.25rem, 2.4vw, 2rem); }
.lede { max-width: 55rem; color: var(--paper-soft); font-size: clamp(1.05rem, 2vw, 1.34rem); }
.lede-secondary { color: var(--paper-soft); font-size: clamp(1.2rem, 2.2vw, 1.7rem); line-height: 1.5; }
.prose { max-width: 49rem; color: var(--paper-soft); }
.prose p, .hero-prose p { margin: 0 0 1rem; }
.large-prose { font-size: clamp(1.08rem, 1.8vw, 1.36rem); line-height: 1.6; }
.section-intro > p, .section-intro .prose { color: var(--paper-soft); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  min-height: 48px;
  padding: .7rem 1.05rem;
  color: var(--ink-deep);
  background: var(--mint);
  border: 1px solid var(--mint);
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .07em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .2s, background .2s, transform .2s;
}
.button:hover { background: var(--mint-hot); transform: translateY(-2px); }
.button-secondary { color: var(--paper); background: transparent; border-color: var(--line-strong); }
.button-secondary:hover { color: var(--mint-hot); background: rgba(140, 248, 200, .06); border-color: var(--mint); }
.text-link, .external-link {
  color: var(--mint-hot);
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
}
.text-link span { display: inline-block; transition: transform .2s; }
.text-link:hover span { transform: translateX(.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }

/* Home */
.home-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .55fr);
  gap: clamp(2rem, 5vw, 5rem);
  min-height: min(860px, calc(100svh - 84px));
  width: min(100%, calc(var(--max) + var(--pad) * 2));
  margin-inline: auto;
  padding: clamp(4rem, 9vw, 8rem) var(--pad) 5rem;
  align-items: center;
}
.home-hero::before {
  content: "";
  position: absolute;
  width: min(70vw, 850px);
  aspect-ratio: 1;
  left: -32%;
  top: -22%;
  z-index: -1;
  border: 1px solid rgba(140, 248, 200, .08);
  border-radius: 50%;
  box-shadow: inset 0 0 120px rgba(140, 248, 200, .025);
}
.home-hero h1 { max-width: 13ch; }
.home-hero h1::after {
  content: "";
  display: inline-block;
  width: .2em;
  height: .2em;
  margin-left: .06em;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 24px rgba(216, 255, 119, .65);
}
.hero-prose { max-width: 54rem; margin-top: 2rem; color: var(--paper-soft); font-size: clamp(1.06rem, 1.6vw, 1.3rem); }
.agent-action {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  min-height: 48px;
  padding-inline: .5rem;
  color: var(--mint-hot);
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-decoration: none;
  text-transform: uppercase;
}
.agent-action span { width: .52rem; height: .52rem; border-radius: 50%; background: var(--acid); box-shadow: 0 0 16px var(--acid); }
.porch-light {
  position: relative;
  align-self: center;
  padding: 2rem;
  background: linear-gradient(145deg, rgba(18, 40, 32, .8), rgba(5, 13, 11, .9));
  border: 1px solid var(--line-strong);
  box-shadow: 0 32px 80px rgba(0, 0, 0, .32), inset 0 0 80px rgba(140, 248, 200, .025);
}
.porch-light::before, .porch-light::after {
  content: "";
  position: absolute;
  width: 1.35rem;
  height: 1.35rem;
  border-color: var(--mint);
}
.porch-light::before { left: -.15rem; top: -.15rem; border-left: 2px solid; border-top: 2px solid; }
.porch-light::after { right: -.15rem; bottom: -.15rem; border-right: 2px solid; border-bottom: 2px solid; }
.porch-light h2 { margin: 4.7rem 0 1rem; font-size: clamp(2.2rem, 4vw, 3.9rem); }
.porch-light > p:not(.signal-kicker) { color: var(--paper-soft); }
.porch-light dl { display: grid; margin: 1.7rem 0 0; border-top: 1px solid var(--line); }
.porch-light dl div { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding: .65rem 0; border-bottom: 1px solid var(--line); }
.porch-light dt { color: var(--muted); font-family: var(--mono); font-size: .68rem; text-transform: uppercase; }
.porch-light dd { margin: 0; text-align: right; font-family: var(--mono); font-size: .7rem; }
.porch-light dd a { color: var(--mint-hot); }
.beacon { position: absolute; right: 2rem; top: 2rem; width: 4rem; height: 4rem; border: 1px solid rgba(140, 248, 200, .32); border-radius: 50%; }
.beacon::before, .beacon::after { content: ""; position: absolute; inset: .55rem; border: 1px solid rgba(140, 248, 200, .2); border-radius: 50%; animation: beaconRing 3s infinite; }
.beacon::after { inset: -.8rem; animation-delay: 1.1s; }
.beacon i { position: absolute; inset: 1.55rem; border-radius: 50%; background: var(--mint-hot); box-shadow: 0 0 24px var(--mint), 0 0 70px rgba(140, 248, 200, .6); }

.spine-section, .method-section, .active-section, .index-section { padding-block: clamp(5rem, 10vw, 9rem); border-top: 1px solid var(--line); }
.spine-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(3rem, 6vw, 7rem); align-items: center; }
.spine-section h2, .method-section h2 { max-width: 9ch; }
.research-map { position: relative; min-height: 610px; }
.research-map svg { position: absolute; inset: 4% 0; width: 100%; height: 92%; overflow: visible; }
.research-map svg path, .research-map svg circle { fill: none; stroke: rgba(140, 248, 200, .19); stroke-width: 1; stroke-dasharray: 3 6; }
.research-map svg circle:last-child { stroke: rgba(216, 255, 119, .11); }
.map-core {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  place-content: center;
  width: 220px;
  height: 220px;
  transform: translate(-50%, -50%);
  text-align: center;
  border: 1px solid rgba(140, 248, 200, .4);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(140, 248, 200, .1), rgba(7, 17, 15, .94) 70%);
  box-shadow: 0 0 100px rgba(140, 248, 200, .08);
}
.map-core span { color: var(--mint); font-family: var(--mono); font-size: .65rem; letter-spacing: .14em; }
.map-core strong { font-family: var(--display); font-size: 1.65rem; line-height: 1; text-transform: uppercase; }
.map-node {
  position: absolute;
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  align-items: center;
  width: 210px;
  min-height: 68px;
  padding: .7rem;
  color: var(--paper-soft);
  background: rgba(7, 17, 15, .86);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 700;
  line-height: 1.35;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .2s, border-color .2s, transform .2s, background .2s;
}
.map-node span { color: var(--mint); }
.map-node:hover { color: var(--mint-hot); background: var(--ink-panel); border-color: var(--mint); transform: translateY(-3px); }
.map-node-1 { left: 0; top: 5%; }
.map-node-2 { left: 50%; top: 0; transform: translateX(-50%); }
.map-node-2:hover { transform: translate(-50%, -3px); }
.map-node-3 { right: 0; top: 5%; }
.map-node-4 { left: 0; bottom: 5%; }
.map-node-5 { left: 50%; bottom: 0; transform: translateX(-50%); }
.map-node-5:hover { transform: translate(-50%, -3px); }
.map-node-6 { right: 0; bottom: 5%; }

.method-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(3rem, 6vw, 7rem); }
.method-quote { align-self: start; padding: 2rem; border: 1px solid var(--line-strong); background: rgba(140, 248, 200, .03); }
.method-quote span { display: block; color: var(--acid); font-family: var(--display); font-size: 5rem; line-height: .7; }
.method-quote p { margin: 1.4rem 0 0; font-family: var(--display); font-size: clamp(1.8rem, 3vw, 3rem); font-weight: 760; line-height: 1.06; }
.principle-strip { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(5, 1fr); padding: 0; margin: 4rem 0 0; list-style: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principle-strip li { min-height: 130px; padding: 1.2rem; border-right: 1px solid var(--line); font-family: var(--display); font-size: clamp(1.05rem, 1.5vw, 1.35rem); font-weight: 720; line-height: 1.1; }
.principle-strip li:last-child { border-right: 0; }
.principle-strip span { display: block; margin-bottom: 2rem; color: var(--mint); font-family: var(--mono); font-size: .66rem; }
.split-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: end; }
.split-heading > p, .split-heading > div > p, .split-heading > div > div { max-width: 42rem; }
.empty-state {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding: 1.4rem;
  color: var(--paper-soft);
  background: rgba(255, 255, 255, .018);
  border: 1px dashed var(--line-strong);
}
.empty-state > span { color: var(--muted); font-family: var(--display); font-size: 2.2rem; }
.empty-state p { flex: 1; margin: 0; }
.empty-state.large { min-height: 250px; justify-content: center; flex-direction: column; text-align: center; }
.featured-grid, .research-grid, .project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 3rem; }
.agent-invitation {
  display: grid;
  grid-template-columns: minmax(220px, .55fr) 1.45fr;
  gap: clamp(2rem, 6vw, 7rem);
  align-items: center;
  margin-top: 3rem;
  padding-block: clamp(4rem, 8vw, 7rem);
  background: linear-gradient(135deg, rgba(140, 248, 200, .08), rgba(7, 17, 15, .2));
  border: 1px solid var(--line-strong);
}
.agent-invitation h2 { max-width: 12ch; }
.agent-invitation > div:last-child > p:not(.section-number) { max-width: 48rem; color: var(--paper-soft); font-size: 1.2rem; }
.agent-beacon { position: relative; width: min(280px, 70vw); aspect-ratio: 1; margin: auto; border: 1px solid var(--line-strong); border-radius: 50%; }
.agent-beacon::before, .agent-beacon::after, .agent-beacon span, .agent-beacon i { content: ""; position: absolute; border: 1px solid rgba(140, 248, 200, .2); border-radius: 50%; }
.agent-beacon::before { inset: 13%; }
.agent-beacon::after { inset: 29%; }
.agent-beacon span { inset: 44%; background: var(--mint-hot); border: 0; box-shadow: 0 0 25px var(--mint), 0 0 90px rgba(140, 248, 200, .7); }
.agent-beacon i { inset: -8%; border-style: dashed; animation: slowSpin 18s linear infinite; }
.human-note { display: flex; justify-content: space-between; gap: 2rem; padding-block: 3rem 5rem; color: var(--paper-soft); }
.human-note p { max-width: 62rem; margin: 0; }
.human-note a { flex: 0 0 auto; color: var(--rose); font-family: var(--mono); font-size: .75rem; font-weight: 800; text-decoration: none; text-transform: uppercase; }

/* Shared inner pages */
.page-hero { width: min(100%, calc(var(--max) + var(--pad) * 2)); margin-inline: auto; padding: clamp(5rem, 11vw, 10rem) var(--pad); border-bottom: 1px solid var(--line); }
.page-hero-compact { padding-bottom: clamp(3.5rem, 7vw, 6rem); }
.page-hero h1 { max-width: 13ch; font-size: clamp(3.4rem, 8vw, 7.4rem); }
.page-hero .lede { margin-top: 1.7rem; }
.narrow-flow { max-width: calc(920px + var(--pad) * 2); padding-block: 4rem 7rem; }
.current-date { margin: 2rem 0; color: var(--mint); font-family: var(--mono); font-size: .75rem; text-transform: uppercase; }
.boundary-note { padding: 1.1rem 1.25rem; color: var(--paper-soft); background: rgba(255, 200, 109, .045); border-left: 2px solid var(--amber); }

/* Research browser and cards */
.research-browser { padding-block: 4rem 7rem; }
.research-browser-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 3rem; color: var(--paper-soft); }
.research-controls { position: sticky; top: .6rem; z-index: 10; display: grid; grid-template-columns: auto minmax(260px, 1fr) auto; align-items: center; gap: .9rem; padding: 1rem; background: rgba(7, 17, 15, .94); border: 1px solid var(--line-strong); backdrop-filter: blur(14px); }
.research-controls label { font-family: var(--mono); font-size: .68rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.research-controls input { min-height: 46px; padding: .65rem .8rem; color: var(--paper); background: var(--ink-deep); border: 1px solid var(--line-strong); }
.research-controls input::placeholder { color: var(--muted); }
.filter-group { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .45rem; }
.filter-group button { min-height: 44px; padding: .45rem .75rem; color: var(--paper-soft); background: transparent; border: 1px solid var(--line); font-family: var(--mono); font-size: .63rem; font-weight: 800; text-transform: uppercase; cursor: pointer; }
.filter-group button:hover, .filter-group button[aria-pressed="true"] { color: var(--ink); background: var(--mint); border-color: var(--mint); }
.result-count { margin: 0; color: var(--muted); font-family: var(--mono); font-size: .68rem; text-align: right; text-transform: uppercase; }
.research-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.research-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 430px;
  padding: 1.35rem;
  background: linear-gradient(150deg, rgba(18, 38, 31, .75), rgba(7, 17, 15, .76));
  border: 1px solid var(--line);
  transition: transform .22s var(--ease), border-color .22s, background .22s;
}
.research-card::after { content: ""; position: absolute; left: -1px; top: -1px; width: 1.4rem; height: 1.4rem; border-left: 2px solid var(--status-color, var(--mint)); border-top: 2px solid var(--status-color, var(--mint)); }
.research-card[data-class="active-work"] { --status-color: var(--mint); }
.research-card[data-class="completed-experiment"] { --status-color: var(--amber); }
.research-card[data-class="prototype"] { --status-color: var(--cyan); }
.research-card[data-class="research-question"] { --status-color: var(--violet); }
.research-card[data-class="speculative-idea"] { --status-color: var(--rose); }
.research-card[data-class="historical-work"] { --status-color: var(--grey); }
.research-card:hover { transform: translateY(-4px); background: var(--ink-panel); border-color: var(--line-strong); }
.research-card h2 { margin: 2rem 0 1rem; font-size: clamp(1.65rem, 2.4vw, 2.35rem); line-height: 1.03; }
.research-card h2 a { text-decoration: none; }
.research-card > p { color: var(--paper-soft); }
.card-topline { display: flex; justify-content: space-between; gap: .5rem; align-items: center; color: var(--muted); font-family: var(--mono); font-size: .6rem; text-transform: uppercase; }
.status { --status-color: var(--mint); display: inline-flex; align-items: center; gap: .45rem; color: var(--status-color); font-family: var(--mono); font-size: .6rem; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.status i { width: .44rem; height: .44rem; border-radius: 50%; background: var(--status-color); box-shadow: 0 0 10px color-mix(in srgb, var(--status-color), transparent 25%); }
.status-active-work, .status-active-work + * { --status-color: var(--mint); }
.status-completed-experiment { --status-color: var(--amber); }
.status-prototype { --status-color: var(--cyan); }
.status-research-question { --status-color: var(--violet); }
.status-speculative-idea { --status-color: var(--rose); }
.status-historical-work { --status-color: var(--grey); }
.card-meta { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; padding-top: 1rem; margin: auto 0 1rem; border-top: 1px solid var(--line); }
.card-meta div { min-width: 0; }
.card-meta dt { color: var(--muted); font-family: var(--mono); font-size: .56rem; text-transform: uppercase; }
.card-meta dd { margin: .25rem 0 0; font-family: var(--mono); font-size: .67rem; line-height: 1.3; text-transform: capitalize; }
.topic-list { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.2rem; }
.topic-list span { padding: .28rem .48rem; color: var(--muted); background: rgba(255, 255, 255, .026); border: 1px solid var(--line); font-family: var(--mono); font-size: .55rem; line-height: 1.25; text-transform: uppercase; }
.research-card .text-link { margin-top: .4rem; }
.no-matches { margin: 3rem 0; padding: 2rem; color: var(--paper-soft); border: 1px dashed var(--line-strong); text-align: center; }

/* Research record */
.record-hero { padding-block: clamp(4rem, 8vw, 8rem); }
.back-link { display: inline-block; margin-bottom: 3rem; color: var(--muted); font-family: var(--mono); font-size: .7rem; font-weight: 800; text-decoration: none; text-transform: uppercase; }
.back-link:hover { color: var(--mint-hot); }
.record-class { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.2rem; }
.record-class > span:last-child { padding-left: 1rem; color: var(--muted); border-left: 1px solid var(--line-strong); font-family: var(--mono); font-size: .66rem; text-transform: uppercase; }
.record-hero h1 { max-width: 14ch; font-size: clamp(3.25rem, 7.5vw, 7.2rem); }
.record-summary { max-width: 56rem; margin: 1.8rem 0 2.4rem; color: var(--paper-soft); font-size: clamp(1.2rem, 2.1vw, 1.65rem); }
.record-meta { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.record-meta div { padding: 1rem; border-right: 1px solid var(--line); }
.record-meta div:last-child { border-right: 0; }
.record-meta dt { color: var(--muted); font-family: var(--mono); font-size: .58rem; text-transform: uppercase; }
.record-meta dd { margin: .35rem 0 0; font-family: var(--mono); font-size: .72rem; text-transform: capitalize; }
.record-flow { max-width: calc(980px + var(--pad) * 2); padding-block: 4rem 7rem; }
.record-flow section { display: grid; grid-template-columns: 180px 1fr; gap: 2rem 3rem; padding: 2.3rem 0; border-bottom: 1px solid var(--line); }
.record-flow section .section-number { grid-row: 1 / span 2; }
.record-flow section h2 { font-size: clamp(1.8rem, 3vw, 3.1rem); }
.record-flow section > p:last-child { margin: 0; color: var(--paper-soft); font-size: 1.12rem; }
.record-topics { margin-top: 2.5rem; }

/* Projects */
.project-index { padding-block: 4rem 7rem; }
.project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.project-card { min-height: 420px; padding: 2rem; background: rgba(140, 248, 200, .035); border: 1px solid var(--line-strong); }
.project-card h2 { margin: 3rem 0 1.2rem; }
.current-work-card { max-width: 880px; margin-top: 2.5rem; }
.current-work-card h2, .current-work-card h3 { margin: 2.4rem 0 1.2rem; }
.current-work-card .button { margin-top: 1.4rem; }
.project-card > p:not(.section-number) { max-width: 38rem; color: var(--paper-soft); font-size: 1.12rem; }
.project-actions { display: flex; justify-content: space-between; gap: 1rem; align-items: center; margin-top: 3rem; }
.external-link { color: var(--muted); }
.project-detail { padding-block: 4rem 7rem; }
.project-note { max-width: 52rem; margin: 3rem 0; padding: 2rem; background: rgba(198, 166, 255, .045); border: 1px solid rgba(198, 166, 255, .25); }
.project-note > p:last-child { margin: 0; font-family: var(--display); font-size: 1.5rem; font-weight: 700; line-height: 1.2; }
.project-detail .boundary-note { max-width: 52rem; margin: 2rem 0; }
.idea-grid { margin-block: 4rem 7rem; }

/* About, music, agent, contact, claims */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; padding-block: 4rem 7rem; }
.about-grid > section { min-height: 420px; padding: 2.4rem; border: 1px solid var(--line); margin: -1px 0 0 -1px; }
.about-grid h2 { margin-bottom: 2rem; font-size: clamp(2rem, 4vw, 4rem); }
.loop-line { padding: 1.2rem; color: var(--acid); background: var(--ink-deep); border-left: 2px solid var(--acid); font-family: var(--mono); font-size: .82rem; line-height: 1.8; }
.value-list { display: grid; gap: .7rem; padding: 0; list-style: none; }
.value-list li { padding: .75rem 0 .75rem 1.4rem; color: var(--paper-soft); border-bottom: 1px solid var(--line); }
.value-list li::before { content: "◆"; display: inline-block; width: 1.4rem; margin-left: -1.4rem; color: var(--mint); font-size: .5rem; vertical-align: .25em; }
.music-layout { position: relative; padding-block: 4rem 7rem; }
.music-layout .large-prose { position: relative; z-index: 2; }
.wave-field { display: flex; align-items: center; gap: 5px; height: 190px; margin-bottom: 3rem; overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.wave-field i { flex: 1; max-width: 24px; height: 40%; background: linear-gradient(var(--rose), var(--violet), var(--cyan)); transform-origin: center; opacity: .75; animation: wave 3.2s ease-in-out infinite alternate; }
.wave-field .wave-1 { height: 28%; animation-delay: -.2s; }.wave-field .wave-2 { height: 72%; animation-delay: -.7s; }.wave-field .wave-3 { height: 46%; animation-delay: -1.1s; }.wave-field .wave-4 { height: 90%; animation-delay: -1.5s; }.wave-field .wave-5 { height: 58%; animation-delay: -1.9s; }.wave-field .wave-6 { height: 34%; animation-delay: -2.3s; }.wave-field .wave-7 { height: 78%; animation-delay: -2.7s; }
.agent-policy { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; padding-block: 4rem 7rem; }
.agent-policy > section, .agent-policy > aside { padding: 2.4rem; background: var(--ink); border: 1px solid var(--line); margin: -1px 0 0 -1px; }
.agent-policy > section h2 { margin-bottom: 1.5rem; font-size: clamp(2rem, 3.8vw, 3.7rem); }
.agent-policy > section p:not(.section-number), .agent-policy > section li { color: var(--paper-soft); }
.agent-policy-signal { grid-column: 1 / -1; position: relative; height: 220px; overflow: hidden; border: 1px solid var(--line-strong); background: radial-gradient(circle, rgba(140, 248, 200, .12), transparent 38%); }
.agent-policy-signal::before, .agent-policy-signal::after, .agent-policy-signal span, .agent-policy-signal i, .agent-policy-signal b { content: ""; position: absolute; left: 50%; top: 50%; border: 1px solid rgba(140, 248, 200, .22); border-radius: 50%; transform: translate(-50%, -50%); }
.agent-policy-signal::before { width: 580px; height: 580px; }.agent-policy-signal::after { width: 410px; height: 410px; }.agent-policy-signal span { width: 250px; height: 250px; }.agent-policy-signal i { width: 95px; height: 95px; }.agent-policy-signal b { width: 16px; height: 16px; background: var(--mint-hot); box-shadow: 0 0 30px var(--mint), 0 0 90px var(--mint); border: 0; }
.request-list { padding-left: 1.2rem; }
.request-list li { margin-bottom: .55rem; padding-left: .4rem; }
.safety-boundary { grid-column: 1 / -1; color: var(--paper-soft); background: rgba(255, 200, 109, .04) !important; border-color: rgba(255, 200, 109, .3) !important; }
.agent-contact-block { grid-column: 1 / -1; text-align: center; }
.agent-contact-block h2 a { color: var(--mint-hot); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding-block: 4rem 7rem; }
.contact-card, .message-structure, .contact-grid .safety-boundary { padding: 2rem; background: rgba(255, 255, 255, .018); border: 1px solid var(--line); }
.primary-contact { grid-column: 1 / -1; }
.contact-card h2 { margin: 2.5rem 0 1rem; font-size: clamp(1.6rem, 3vw, 3rem); }
.contact-card h2 a { color: var(--mint-hot); text-decoration: none; }
.contact-card > p:not(.section-number) { color: var(--paper-soft); }
.agent-contact { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2rem; }
.message-structure { grid-column: 1 / -1; }
.message-structure ol { display: grid; grid-template-columns: repeat(5, 1fr); padding: 0; list-style-position: inside; }
.message-structure li { min-height: 120px; padding: 1rem; border-right: 1px solid var(--line); font-family: var(--display); font-size: 1.2rem; font-weight: 700; line-height: 1.2; }
.message-structure li::marker { color: var(--mint); font-family: var(--mono); font-size: .7rem; }
.claims-page-content { padding-block: 4rem 7rem; }
.claims-page-content > section { margin-bottom: 5rem; }
.definition-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 1.5rem; background: var(--line); border: 1px solid var(--line); }
.definition-grid article { min-height: 190px; padding: 1.4rem; background: var(--ink); }
.definition-grid article p:last-child { color: var(--paper-soft); }
.corrections { padding: 2rem; background: rgba(140, 248, 200, .04); border: 1px solid var(--line-strong); }
.privacy-content { max-width: calc(920px + var(--pad) * 2); padding-block: 4rem 7rem; }
.not-found { min-height: 70svh; display: grid; align-content: center; padding-block: 7rem; }
.not-found h1 { max-width: 10ch; }
.not-found > p:not(.eyebrow) { color: var(--paper-soft); font-size: 1.3rem; }

/* Footer */
.site-footer {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 2rem;
  width: min(100%, calc(var(--max) + var(--pad) * 2));
  margin-inline: auto;
  padding: 3.5rem var(--pad);
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: .85rem;
}
.footer-mark { display: flex; gap: 1rem; }
.footer-mark p { margin: 0; }
.footer-mark strong { color: var(--paper); }
.site-footer > p { margin: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; align-content: start; gap: .5rem 1rem; }
.site-footer nav a, .footer-machine a { color: var(--paper-soft); font-family: var(--mono); font-size: .65rem; text-decoration: none; text-transform: uppercase; }
.footer-machine { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid var(--line); }

@keyframes signalPulse { 50% { opacity: .45; transform: scale(.82); } }
@keyframes beaconRing { 0% { opacity: 0; transform: scale(.72); } 35% { opacity: .8; } 100% { opacity: 0; transform: scale(1.32); } }
@keyframes slowSpin { to { transform: rotate(360deg); } }
@keyframes wave { to { transform: scaleY(.35); opacity: .35; } }

@media (max-width: 1120px) {
  .site-header { grid-template-columns: auto auto 1fr; }
  .signal-link { display: none; }
  .site-nav { justify-content: flex-end; gap: .75rem; }
  .site-nav a { font-size: .62rem; }
  .home-hero { grid-template-columns: 1fr; }
  .porch-light { max-width: 620px; }
  .spine-section { grid-template-columns: 1fr; }
  .research-map { width: min(100%, 850px); margin-inline: auto; }
  .featured-grid, .research-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .record-meta { grid-template-columns: repeat(3, 1fr); }
  .record-meta div:nth-child(3) { border-right: 0; }
  .record-meta div:nth-child(n + 4) { border-top: 1px solid var(--line); }
  .principle-strip { grid-template-columns: repeat(3, 1fr); }
  .principle-strip li:nth-child(3) { border-right: 0; }
  .principle-strip li:nth-child(n + 4) { border-top: 1px solid var(--line); }
  .message-structure ol { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: flex-start; gap: .2rem 1rem; }
  .has-js .menu-toggle { display: inline-flex; align-items: center; gap: .65rem; min-height: 44px; padding: .5rem .7rem; color: var(--paper); background: transparent; border: 1px solid var(--line-strong); font-family: var(--mono); font-size: .68rem; font-weight: 800; text-transform: uppercase; }
  .menu-toggle i, .menu-toggle i::before, .menu-toggle i::after { display: block; width: 1rem; height: 1px; background: var(--mint); transition: transform .2s; }
  .menu-toggle i { position: relative; }
  .menu-toggle i::before, .menu-toggle i::after { content: ""; position: absolute; left: 0; }
  .menu-toggle i::before { top: -.3rem; }.menu-toggle i::after { top: .3rem; }
  .menu-toggle[aria-expanded="true"] i { background: transparent; }
  .menu-toggle[aria-expanded="true"] i::before { top: 0; transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] i::after { top: 0; transform: rotate(-45deg); }
  .has-js .site-nav { position: absolute; left: var(--pad); right: var(--pad); top: calc(100% + 1px); display: none; flex-direction: column; align-items: stretch; gap: 0; padding: .7rem; background: rgba(3, 8, 6, .98); border: 1px solid var(--line-strong); box-shadow: 0 25px 60px rgba(0, 0, 0, .45); }
  .has-js .site-nav[data-open="true"] { display: flex; }
  .has-js .site-nav a { justify-content: space-between; padding: .4rem .7rem; border-bottom: 1px solid var(--line); }
  .has-js .site-nav a:last-child { border-bottom: 0; }
  .has-js .site-nav a::after { display: none; }
  .home-hero { padding-top: 4rem; }
  .home-hero h1 { font-size: clamp(3.1rem, 12vw, 6rem); }
  .method-section { grid-template-columns: 1fr; }
  .principle-strip { grid-column: auto; }
  .split-heading, .research-browser-intro, .agent-invitation { grid-template-columns: 1fr; }
  .agent-beacon { width: 200px; }
  .human-note { flex-direction: column; }
  .research-controls { position: relative; top: auto; grid-template-columns: 1fr; }
  .research-controls label, .research-controls input, .research-controls .result-count { grid-column: 1; }
  .result-count { text-align: left; }
  .record-flow section { grid-template-columns: 1fr; }
  .record-flow section .section-number { grid-row: auto; }
  .about-grid, .agent-policy, .contact-grid { grid-template-columns: 1fr; }
  .agent-policy-signal, .safety-boundary, .agent-contact-block, .agent-contact, .message-structure { grid-column: 1; }
  .definition-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer nav { justify-content: flex-start; }
  .footer-machine { grid-column: 1; }
}

@media (max-width: 680px) {
  :root { --pad: 1rem; }
  .brand strong { font-size: .9rem; }
  .home-hero { min-height: auto; padding-bottom: 3.5rem; }
  .home-hero h1, .page-hero h1, .record-hero h1 { font-size: clamp(2.75rem, 13vw, 4.7rem); }
  .porch-light { padding: 1.3rem; }
  .porch-light h2 { margin-top: 4.2rem; }
  .beacon { right: 1.3rem; top: 1.3rem; }
  .research-map { display: grid; gap: .7rem; min-height: 0; }
  .research-map svg, .map-core { display: none; }
  .map-node, .map-node-1, .map-node-2, .map-node-3, .map-node-4, .map-node-5, .map-node-6 { position: static; width: 100%; min-height: 60px; transform: none; }
  .map-node-2:hover, .map-node-5:hover { transform: translateY(-3px); }
  .principle-strip, .featured-grid, .research-grid, .project-grid, .record-meta, .definition-grid { grid-template-columns: 1fr; }
  .principle-strip li, .principle-strip li:nth-child(3) { border-right: 0; border-top: 1px solid var(--line); }
  .principle-strip li:first-child { border-top: 0; }
  .empty-state { align-items: flex-start; flex-direction: column; }
  .empty-state .button { width: 100%; }
  .agent-invitation { margin-inline: 1rem; }
  .research-card { min-height: 380px; }
  .record-meta div, .record-meta div:nth-child(3), .record-meta div:nth-child(n + 4) { border-right: 0; border-top: 1px solid var(--line); }
  .record-meta div:first-child { border-top: 0; }
  .project-actions { flex-direction: column; align-items: flex-start; }
  .about-grid > section { min-height: 0; padding: 1.4rem; }
  .agent-policy > section, .agent-policy > aside { padding: 1.4rem; }
  .message-structure ol { grid-template-columns: 1fr; }
  .message-structure li { min-height: 80px; border-right: 0; border-bottom: 1px solid var(--line); }
  .agent-contact { display: block; }
  .agent-contact .button { margin-top: 1rem; }
  .site-footer { padding-block: 2.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  :root { color-scheme: light; }
  body { color: #111; background: #fff; }
  .ambient-grid, .site-header, .site-footer, .hero-actions, .research-controls, .agent-beacon, .agent-policy-signal, .wave-field { display: none !important; }
  .page-hero, .content-shell, .record-hero, .record-flow { width: 100%; max-width: none; padding: 1rem 0; }
  .research-card, .project-card, .about-grid > section, .agent-policy > section { color: #111; background: #fff; border-color: #aaa; break-inside: avoid; }
  p, .prose, .record-summary { color: #222 !important; }
}