@font-face {
  font-family: "Familjen Grotesk";
  src: url("public/fonts/familjen-400.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Familjen Grotesk";
  src: url("public/fonts/familjen-600.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Familjen Grotesk";
  src: url("public/fonts/familjen-700.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Besley";
  src: url("public/fonts/besley-400.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Besley";
  src: url("public/fonts/besley-600.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: oklch(16% 0.014 138);
  --ink-raised: oklch(20% 0.016 138);
  --ink-soft: oklch(27% 0.017 138);
  --paper: oklch(95% 0.018 98);
  --paper-deep: oklch(90% 0.022 98);
  --paper-high: oklch(98% 0.009 98);
  --signal: oklch(88% 0.18 110);
  --signal-dark: oklch(56% 0.14 112);
  --signal-soft: oklch(90% 0.09 110);
  --danger: oklch(61% 0.18 28);
  --text-on-dark: oklch(94% 0.014 98);
  --muted-on-dark: oklch(75% 0.015 110);
  --muted-on-paper: oklch(44% 0.018 138);
  --rule-dark: oklch(31% 0.02 138);
  --rule-paper: oklch(76% 0.026 98);
  --font-display: "Familjen Grotesk", "Trebuchet MS", sans-serif;
  --font-body: "Besley", Georgia, serif;
  --font-data: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --text-xs: 0.72rem;
  --text-sm: 0.88rem;
  --text-base: 1rem;
  --text-lg: clamp(1.18rem, 2vw, 1.42rem);
  --text-section: clamp(2.7rem, 7vw, 6.8rem);
  --text-hero: clamp(3.3rem, 8.8vw, 8.5rem);
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: clamp(4rem, 8vw, 8rem);
  --space-4xl: clamp(6rem, 12vw, 12rem);
  --wrap: min(88rem, calc(100vw - 2rem));
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-toggle: cubic-bezier(0.65, 0, 0.35, 1);
  --scroll: 0;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--ink);
  color-scheme: dark;
}

body {
  margin: 0;
  min-width: 20rem;
  background: var(--ink);
  color: var(--text-on-dark);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-kerning: normal;
  line-height: 1.65;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

::selection { background: var(--signal); color: var(--ink); }

a { color: inherit; text-underline-offset: 0.24em; }
a:hover { text-decoration-thickness: 2px; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
img, video, canvas { display: block; max-width: 100%; }

h1, h2, h3, p, figure, dl, dd { margin: 0; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.93;
}

h1 em, h2 em {
  color: var(--signal);
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: -0.065em;
}

.paper h2 em { color: var(--signal-dark); }

.wrap { width: var(--wrap); margin-inline: auto; }
.dark { background: var(--ink); color: var(--text-on-dark); }
.paper { background: var(--paper); color: var(--ink); color-scheme: light; }
section[id] { scroll-margin-top: 4.5rem; }
#cailara-film { scroll-margin-top: 6rem; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-display);
  transform: translateY(-150%);
  transition: transform 180ms var(--ease-out);
}

.skip-link:focus { transform: translateY(0); }

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

.paper :focus-visible { outline-color: var(--signal-dark); }

.site-header {
  position: fixed;
  z-index: 200;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 4.5rem;
  padding: max(0.8rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 0.8rem max(1rem, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid color-mix(in oklch, var(--text-on-dark) 18%, transparent);
  background: color-mix(in oklch, var(--ink) 92%, transparent);
  transition: background 220ms var(--ease-out), transform 300ms var(--ease-out);
}

@supports (backdrop-filter: blur(12px)) {
  .site-header { backdrop-filter: blur(12px); }
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-on-dark);
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: -0.025em;
  line-height: 1;
  text-decoration: none;
}

.wordmark b { font-weight: 400; color: var(--muted-on-dark); }

.wordmark__mark {
  position: relative;
  width: 1.65rem;
  aspect-ratio: 1;
  border: 1px solid var(--signal);
  border-radius: 50%;
}

.wordmark__mark::before,
.wordmark__mark::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  background: var(--signal);
  transform: translate(-50%, -50%);
}

.wordmark__mark::before { width: 0.35rem; height: 0.35rem; border-radius: 50%; }
.wordmark__mark::after { width: 140%; height: 1px; }

.wordmark__mark i {
  position: absolute;
  top: -20%;
  left: 50%;
  width: 1px;
  height: 140%;
  background: var(--signal);
}

.desktop-nav { display: none; }

.menu-toggle {
  min-width: 3.2rem;
  min-height: 2.75rem;
  padding: 0;
  display: grid;
  place-content: center;
  gap: 0.3rem;
  border: 0;
  background: transparent;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.menu-toggle i,
.menu-toggle i::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: currentColor;
  transition: transform 240ms var(--ease-toggle);
}

.menu-toggle i::before { display: block; transform: translateY(0.38rem); }
.menu-toggle[aria-expanded="true"] i { transform: rotate(45deg) translateY(0.15rem); }
.menu-toggle[aria-expanded="true"] i::before { transform: rotate(-90deg); }

.mobile-nav {
  position: fixed;
  z-index: 190;
  inset: 4.5rem 0 0;
  padding: 3rem 1rem max(2rem, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--ink);
  transform: translateX(100%);
  transition: transform 360ms var(--ease-out);
}

.mobile-nav.is-open { transform: translateX(0); }

.mobile-nav a {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule-dark);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 8vw, 3.2rem);
  line-height: 1;
  text-decoration: none;
}

.mobile-nav a::after { content: "↘"; color: var(--signal); }

.proof-rail { display: none; }

.eyebrow {
  font-family: var(--font-data);
  font-size: var(--text-xs);
  line-height: 1.3;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.synapse-zone {
  position: relative;
  isolation: isolate;
  overflow: clip;
  --synapse-grid: var(--rule-dark);
}

.synapse-zone--paper { --synapse-grid: var(--rule-paper); }

.synapse-zone::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  opacity: 0.2;
  background-image: linear-gradient(var(--synapse-grid) 1px, transparent 1px), linear-gradient(90deg, var(--synapse-grid) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: linear-gradient(to bottom, transparent, black 12%, black 88%, transparent);
  pointer-events: none;
}

.synapse-zone > :not(.synapse-field) { position: relative; z-index: 1; }

.synapse-field {
  position: absolute;
  z-index: 0;
  width: min(72rem, 82vw);
  height: min(52rem, 78%);
  opacity: 0.68;
  pointer-events: none;
  contain: strict;
  mask-image: radial-gradient(ellipse at center, black 28%, transparent 76%);
}

.synapse-field--hero { inset: 0; width: 100%; height: 100%; opacity: 0.88; mask-image: linear-gradient(to bottom, black 6%, black 82%, transparent); }
.synapse-field--north-east { top: 2%; right: -8%; }
.synapse-field--north-west { top: 0; left: -10%; }
.synapse-field--mid-east { top: 28%; right: -10%; }
.synapse-field--south-west { bottom: 2%; left: -10%; }
.synapse-field--full { inset: 0; width: 100%; height: 100%; opacity: 0.58; }

.hero {
  position: relative;
  min-height: 100svh;
  padding: 7.5rem 0 0;
  overflow: hidden;
  isolation: isolate;
}

.hero-grid {
  min-height: calc(100svh - 11rem);
  display: grid;
  align-items: end;
  gap: 3rem;
  padding-bottom: 4rem;
}

.hero-copy { display: grid; gap: 1.6rem; align-content: end; }
.hero .eyebrow { color: var(--signal); }

.hero h1 {
  max-width: 14ch;
  margin-left: -0.055em;
  font-size: var(--text-hero);
  font-weight: 600;
  text-wrap: balance;
}

.hero h1 em { white-space: nowrap; }

.hero-lede {
  max-width: 46rem;
  color: var(--muted-on-dark);
  font-size: var(--text-lg);
  line-height: 1.52;
}

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }

.button {
  min-height: 3.1rem;
  padding: 0.78rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border: 1px solid currentColor;
  border-radius: 0;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms var(--ease-out), background 180ms var(--ease-out), color 180ms var(--ease-out);
}

.button--signal { border-color: var(--signal); background: var(--signal); color: var(--ink); }
.button:active { transform: scale(0.975); }

.text-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

.text-link--light { color: var(--text-on-dark); }
.text-link span, .proof-item a span, .reel-chapter a span { color: var(--signal); }

.reel-stage__hud {
  min-height: 2.5rem;
  padding: 0.65rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule-dark);
  color: var(--muted-on-dark);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.hero-ticker {
  width: 100%;
  min-height: 4rem;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-top: 1px solid var(--rule-dark);
  border-bottom: 1px solid var(--rule-dark);
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-ticker div { min-width: max-content; margin-inline: auto; display: flex; align-items: center; gap: 1rem; padding-inline: 1rem; }
.hero-ticker i { width: 0.35rem; height: 0.35rem; border-radius: 50%; background: var(--signal); }

.hero-enter { opacity: 0; transform: translateY(1.5rem); animation: hero-in 760ms var(--ease-out) forwards; animation-delay: calc(90ms + var(--i) * 110ms); }

.section-intro { display: grid; gap: 1.5rem; }
.section-intro .eyebrow { color: var(--signal-dark); }
.section-intro h2, .reel-heading h2, .constellation h2, .discovery h2 { margin-left: -0.05em; font-size: var(--text-section); max-width: 12ch; }
.section-intro > p:last-child { max-width: 42rem; color: var(--muted-on-paper); font-size: var(--text-lg); line-height: 1.55; }

.practice { padding: var(--space-4xl) 0; }

.practice-list { margin-top: var(--space-3xl); border-top: 1px solid var(--ink); }

.practice-row {
  padding: 2rem 0;
  display: grid;
  gap: 1.4rem;
  border-bottom: 1px solid var(--rule-paper);
}

.practice-row__number { color: var(--signal-dark); font-family: var(--font-data); font-size: var(--text-xs); }
.practice-row__discipline { margin-bottom: 0.55rem; color: var(--muted-on-paper); font-family: var(--font-data); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; }
.practice-row h3 { max-width: 12ch; font-size: clamp(2.2rem, 5vw, 4.8rem); }
.practice-row > p { max-width: 38rem; color: var(--muted-on-paper); }
.project-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; align-content: start; }
.project-chips span { padding: 0.36rem 0.55rem; border: 1px solid var(--rule-paper); font-family: var(--font-data); font-size: 0.66rem; letter-spacing: 0.03em; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(2rem); transition: opacity 620ms var(--ease-out), transform 620ms var(--ease-out); }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

.evidence-reel { padding: var(--space-4xl) 0; }
.reel-heading { display: grid; gap: 1.5rem; }
.reel-heading .eyebrow { color: var(--signal); }
.reel-heading h2 { max-width: 13ch; }

.reel-layout { margin-top: var(--space-3xl); }
.reel-stage { position: sticky; z-index: 4; top: 5rem; padding-bottom: 0.5rem; background: var(--ink); }
.reel-stage__frame { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border: 1px solid var(--rule-dark); background: var(--ink-raised); }
.reel-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.025); transition: opacity 420ms var(--ease-out), transform 700ms var(--ease-out); }
.reel-video.is-active { opacity: 1; transform: scale(1); }
.reel-stage__hud { position: absolute; inset: auto 0 0; border-top: 1px solid var(--rule-dark); border-bottom: 0; background: var(--ink); }
.motion-toggle {
  min-height: 2rem;
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--rule-dark);
  background: transparent;
  color: var(--muted-on-dark);
  font: inherit;
  letter-spacing: inherit;
  text-transform: uppercase;
  cursor: pointer;
}
.motion-toggle:hover,
.motion-toggle:focus-visible { border-color: var(--signal); color: var(--signal); }
.reel-caption { padding-top: 0.8rem; color: var(--muted-on-dark); font-family: var(--font-data); font-size: 0.68rem; letter-spacing: 0.04em; }

.reel-chapters { margin-top: 3rem; display: grid; }
.reel-chapter { min-height: 65svh; padding: 2.2rem 0; display: grid; align-content: center; gap: 1.2rem; border-top: 1px solid var(--rule-dark); opacity: 0.38; transition: opacity 240ms var(--ease-out); }
.reel-chapter.is-active { opacity: 1; }
.reel-chapter > span { color: var(--signal); font-family: var(--font-data); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; }
.reel-chapter h3 { font-size: clamp(2.8rem, 7vw, 6rem); }
.reel-chapter p { max-width: 37rem; color: var(--muted-on-dark); font-size: var(--text-lg); line-height: 1.55; }
.reel-chapter a, .proof-item a { width: fit-content; min-height: 2.75rem; display: inline-flex; align-items: center; gap: 0.7rem; font-family: var(--font-display); font-weight: 600; }
.reel-chapter__actions { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }

.selected-work { padding: var(--space-4xl) 0; }
.section-intro--wide h2 { max-width: 15ch; }
.proof-index { margin-top: var(--space-3xl); border-top: 1px solid var(--ink); }

.proof-item {
  padding: 2rem 0;
  display: grid;
  gap: 1.25rem;
  border-bottom: 1px solid var(--rule-paper);
}

.proof-item__meta { display: grid; grid-template-columns: 2rem 1fr auto; gap: 0.75rem; color: var(--muted-on-paper); font-family: var(--font-data); font-size: 0.62rem; letter-spacing: 0.05em; text-transform: uppercase; }
.proof-item__meta span:first-child { color: var(--signal-dark); }
.proof-item h3 { font-size: clamp(2.35rem, 6vw, 5rem); }
.proof-item__thesis { max-width: 38rem; font-family: var(--font-body); font-size: var(--text-lg); font-weight: 600; line-height: 1.42; }
.proof-item__body { max-width: 42rem; color: var(--muted-on-paper); }
.proof-item__actions { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; }

.constellation { padding: var(--space-4xl) 0; overflow: hidden; }
.constellation-layout { display: grid; gap: 5rem; align-items: center; }
.constellation-copy { display: grid; gap: 1.5rem; }
.constellation-copy .eyebrow { color: var(--signal); }
.constellation-copy > p { max-width: 42rem; color: var(--muted-on-dark); font-size: var(--text-lg); }

.constellation-map {
  position: relative;
  min-height: 35rem;
  isolation: isolate;
}

.constellation-map::before,
.constellation-map::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 50% auto auto 50%;
  background: var(--rule-dark);
  transform: translate(-50%, -50%);
}
.constellation-map::before { width: 100%; height: 1px; }
.constellation-map::after { width: 1px; height: 100%; }

.constellation-core {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 50%;
  width: 8rem;
  aspect-ratio: 1;
  display: grid;
  place-content: center;
  border-radius: 50%;
  background: var(--signal);
  color: var(--ink);
  text-align: center;
  transform: translate(-50%, -50%);
}
.constellation-core span { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; line-height: 1; }
.constellation-core small { font-family: var(--font-data); font-size: 0.48rem; letter-spacing: 0.06em; text-transform: uppercase; }

.constellation-orbit { position: absolute; z-index: -1; top: 50%; left: 50%; border: 1px solid var(--rule-dark); border-radius: 50%; transform: translate(-50%, -50%); }
.constellation-orbit--a { width: min(70vw, 26rem); aspect-ratio: 1; }
.constellation-orbit--b { width: min(105vw, 38rem); aspect-ratio: 1; }

.satellite {
  position: absolute;
  z-index: 3;
  width: 6.5rem;
  min-height: 4.4rem;
  padding: 0.75rem;
  display: grid;
  place-content: center;
  border: 1px solid var(--rule-dark);
  background: var(--ink-raised);
  color: var(--text-on-dark);
  font-family: var(--font-display);
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  transition: transform 220ms var(--ease-out), border-color 220ms var(--ease-out), background 220ms var(--ease-out);
}
.satellite b { font-size: 0.75rem; letter-spacing: 0.04em; }
.satellite span { color: var(--muted-on-dark); font-family: var(--font-data); font-size: 0.5rem; }
.satellite--edu { top: 4%; left: 8%; }
.satellite--trust { top: 7%; right: 4%; }
.satellite--studio { top: 43%; right: 0; }
.satellite--fed { bottom: 3%; right: 11%; }
.satellite--med { bottom: 7%; left: 2%; }

.ideas { padding: var(--space-4xl) 0; }
.ideas-layout { display: grid; gap: 4rem; }
.ideas-heading h2 { max-width: 12ch; }
.essay-list { border-top: 1px solid var(--ink); }

.essay {
  min-height: 9rem;
  padding: 1.5rem 0;
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: 1rem;
  align-items: start;
  border-bottom: 1px solid var(--rule-paper);
  color: var(--ink);
  text-decoration: none;
}
.essay__number { color: var(--signal-dark); font-family: var(--font-data); font-size: var(--text-xs); }
.essay div { display: grid; gap: 0.45rem; }
.essay div > p { color: var(--muted-on-paper); font-family: var(--font-data); font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase; }
.essay h3 { font-size: clamp(1.8rem, 4vw, 3.6rem); line-height: 1; }
.essay div > span { max-width: 38rem; color: var(--muted-on-paper); font-size: var(--text-sm); }
.essay > b { color: var(--signal-dark); font-family: var(--font-display); }

.ideas-film { position: relative; min-height: 22rem; overflow: hidden; background: var(--paper-deep); }
.ideas-film::after { content: ""; position: absolute; inset: 0; border: 1px solid var(--rule-paper); pointer-events: none; }
.ideas-film video { width: 100%; height: 100%; min-height: 22rem; object-fit: cover; mix-blend-mode: multiply; }
.ideas-film__toggle { position: absolute; z-index: 2; top: 1rem; right: 1rem; background: var(--ink); }
.ideas-film figcaption { position: absolute; inset: auto 1rem 1rem; padding: 0.6rem 0.75rem; background: var(--paper); color: var(--ink); font-family: var(--font-data); font-size: 0.62rem; letter-spacing: 0.04em; }

.principal { padding: var(--space-3xl) 0; border-top: 1px solid var(--rule-paper); }
.principal-layout { display: grid; gap: 1.5rem; }
.principal .eyebrow { color: var(--signal-dark); }
.principal h2 { font-size: clamp(3.5rem, 10vw, 9rem); }
.principal-lede { max-width: 38rem; font-size: var(--text-lg); font-weight: 600; line-height: 1.45; }
.principal-body { display: grid; gap: 1rem; color: var(--muted-on-paper); }
.principal-body p { max-width: 44rem; }
.principal-links { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; font-family: var(--font-display); font-weight: 600; }
.principal-links a { min-height: 2.75rem; display: inline-flex; align-items: center; gap: 0.5rem; }
.principal-links span { color: var(--signal-dark); }

.discovery { padding: var(--space-4xl) 0; }
.discovery-grid { display: grid; gap: 4rem; }
.discovery-copy { display: grid; gap: 1.5rem; align-content: start; }
.discovery-copy .eyebrow { color: var(--signal); }
.discovery h2 { max-width: 13ch; }
.discovery-copy > p { max-width: 38rem; color: var(--muted-on-dark); font-size: var(--text-lg); }
.discovery-notes { margin-top: 1.5rem; border-top: 1px solid var(--rule-dark); }
.discovery-notes div { padding: 0.8rem 0; display: grid; grid-template-columns: 2rem 1fr; gap: 0.75rem; border-bottom: 1px solid var(--rule-dark); }
.discovery-notes dt { color: var(--signal); font-family: var(--font-data); font-size: 0.62rem; }
.discovery-notes dd { color: var(--muted-on-dark); font-family: var(--font-display); font-size: 0.82rem; }

[hidden] { display: none !important; }

.discovery-workbench {
  align-self: start;
  border-top: 1px solid var(--signal);
  border-bottom: 1px solid var(--rule-dark);
  background: color-mix(in oklch, var(--ink-raised) 72%, transparent);
  container-type: inline-size;
}

.agent-header {
  min-height: 4rem;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--rule-dark);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.agent-header > div { display: flex; align-items: center; gap: 0.75rem; }
.agent-state { color: var(--muted-on-dark); text-align: right; }
.agent-pulse { position: relative; width: 0.6rem; height: 0.6rem; border: 1px solid var(--signal); border-radius: 50%; }
.agent-pulse i { position: absolute; inset: 0.14rem; border-radius: inherit; background: var(--signal); }
.discovery-workbench.is-thinking .agent-pulse::after {
  content: "";
  position: absolute;
  inset: -0.35rem;
  border: 1px solid var(--signal);
  border-radius: inherit;
  animation: agent-ping 1.2s var(--ease-out) infinite;
}

.agent-steps {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
  border-bottom: 1px solid var(--rule-dark);
}

.agent-steps li {
  min-height: 3.1rem;
  padding: 0.65rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted-on-dark);
  font-family: var(--font-display);
  font-size: 0.7rem;
  transition: color 220ms var(--ease-out), background 220ms var(--ease-out);
}

.agent-steps li + li { border-left: 1px solid var(--rule-dark); }
.agent-steps span { color: color-mix(in oklch, var(--muted-on-dark) 62%, transparent); font-family: var(--font-data); font-size: 0.56rem; }
.agent-steps .is-current { background: var(--ink-soft); color: var(--text-on-dark); }
.agent-steps .is-current span, .agent-steps .is-complete span { color: var(--signal); }
.agent-steps .is-complete { color: var(--text-on-dark); }

.discovery-form { padding: clamp(1.25rem, 4vw, 2rem); display: grid; gap: 1.75rem; align-content: start; }
.form-identity { display: grid; gap: 1.5rem; }
.form-row { display: grid; gap: 0.45rem; }
.form-row label, .challenge-fieldset legend {
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  min-height: 3rem;
  padding: 0.65rem 0;
  border: 0;
  border-bottom: 1px solid var(--rule-dark);
  border-radius: 0;
  background: transparent;
  color: var(--text-on-dark);
  font-family: var(--font-body);
  font-size: 1.05rem;
  transition: border-color 180ms var(--ease-out), background-color 180ms var(--ease-out);
}

.form-row select { appearance: none; cursor: pointer; background-image: linear-gradient(45deg, transparent 50%, var(--signal) 50%), linear-gradient(135deg, var(--signal) 50%, transparent 50%); background-position: calc(100% - 0.8rem) 1.35rem, calc(100% - 0.48rem) 1.35rem; background-size: 0.34rem 0.34rem; background-repeat: no-repeat; }
.form-row select option { background: var(--ink-raised); color: var(--text-on-dark); }
.form-row textarea { min-height: 8rem; line-height: 1.5; }
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { border-bottom-color: var(--signal); outline: none; background-color: var(--ink-raised); }
.form-row input:focus-visible, .form-row textarea:focus-visible, .form-row select:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.form-row > p { color: var(--muted-on-dark); font-size: 0.78rem; line-height: 1.5; }
.form-row .field-error { min-height: 0; color: var(--danger); font-family: var(--font-display); font-size: 0.72rem; }
.form-row .field-error:empty { display: none; }
.form-row input.is-touched:invalid, .form-row textarea.is-touched:invalid { border-bottom-color: var(--danger); }

.challenge-fieldset { min-width: 0; margin: 0; padding: 0; border: 0; display: grid; gap: 0.75rem; }
.challenge-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--rule-dark); border-left: 1px solid var(--rule-dark); }
.challenge-options label { position: relative; min-width: 0; }
.challenge-options input { position: absolute; opacity: 0; pointer-events: none; }
.challenge-options span {
  min-height: 3rem;
  padding: 0.55rem 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--rule-dark);
  border-bottom: 1px solid var(--rule-dark);
  color: var(--muted-on-dark);
  font-family: var(--font-display);
  font-size: 0.72rem;
  text-align: center;
  cursor: pointer;
  transition: color 180ms var(--ease-out), background-color 180ms var(--ease-out);
}

.challenge-options input:checked + span { background: var(--signal); color: var(--ink); }
.challenge-options input:focus-visible + span { outline: 2px solid var(--signal); outline-offset: -4px; }

.agent-action { display: grid; gap: 0.7rem; }
.agent-shape-button {
  position: relative;
  min-height: 4rem;
  padding: 0.85rem 3.5rem 0.85rem 1rem;
  overflow: hidden;
  border: 1px solid var(--rule-dark);
  border-radius: 0;
  background: var(--ink-raised);
  color: var(--text-on-dark);
  font-family: var(--font-display);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: border-color 180ms var(--ease-out), background-color 180ms var(--ease-out), transform 120ms var(--ease-out);
}

.agent-shape-button i { position: absolute; top: 50%; right: 1rem; width: 1.6rem; height: 1px; background: var(--signal); transform: translateY(-50%); }
.agent-shape-button i::after { content: ""; position: absolute; top: -0.2rem; right: 0; width: 0.42rem; height: 0.42rem; border-radius: 50%; background: var(--signal); }
.agent-shape-button:active { transform: scale(0.985); }
.agent-shape-button:disabled { opacity: 0.64; cursor: wait; }
.agent-shape-button:focus-visible { outline-offset: 3px; }
.agent-action > p { max-width: 52ch; color: var(--muted-on-dark); font-size: 0.72rem; line-height: 1.55; }
.agent-shape-button.is-loading i { animation: agent-route 900ms var(--ease-toggle) infinite alternate; }

.agent-output {
  padding-block: 1.75rem;
  display: grid;
  gap: 1.5rem;
  border-top: 1px solid var(--signal);
  border-bottom: 1px solid var(--rule-dark);
  animation: agent-output-in 480ms var(--ease-out) both;
}

.agent-output.is-stale { opacity: 0.54; }
.agent-output.is-stale::before {
  content: "Context changed · reshape before sending";
  color: var(--signal);
  font-family: var(--font-data);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.agent-output header { display: grid; gap: 0.55rem; }
.agent-output .eyebrow { color: var(--signal); }
.agent-output h3 { max-width: 18ch; font-size: clamp(1.75rem, 6cqi, 2.8rem); line-height: 1; }
.agent-brief-block, .agent-findings > div, .agent-questions { display: grid; gap: 0.45rem; }
.agent-brief-block > span, .agent-findings span, .agent-questions > span { color: var(--signal); font-family: var(--font-data); font-size: 0.58rem; letter-spacing: 0.08em; text-transform: uppercase; }
.agent-brief-block > p { font-size: 1.04rem; line-height: 1.65; }
.agent-findings { display: grid; gap: 1.25rem; }
.agent-findings p { color: var(--muted-on-dark); font-size: 0.86rem; line-height: 1.6; }
.agent-questions ol { margin: 0; padding-left: 1.2rem; display: grid; gap: 0.55rem; color: var(--muted-on-dark); font-size: 0.84rem; }
.agent-include { position: relative; justify-self: start; }
.agent-include input { position: absolute; opacity: 0; }
.agent-include span { min-height: 2.75rem; display: inline-flex; align-items: center; gap: 0.65rem; color: var(--text-on-dark); font-family: var(--font-display); font-size: 0.76rem; cursor: pointer; }
.agent-include i { position: relative; width: 1.1rem; height: 1.1rem; border: 1px solid var(--muted-on-dark); }
.agent-include input:checked + span i { border-color: var(--signal); background: var(--signal); }
.agent-include input:checked + span i::after { content: ""; position: absolute; left: 0.28rem; top: 0.08rem; width: 0.28rem; height: 0.55rem; border: solid var(--ink); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.agent-include input:focus-visible + span { outline: 2px solid var(--signal); outline-offset: 3px; }
.agent-boundary { color: var(--muted-on-dark); font-family: var(--font-data); font-size: 0.58rem; letter-spacing: 0.035em; line-height: 1.6; }

.form-handoff { display: grid; gap: 0.75rem; }
.form-submit { width: 100%; }
.form-submit:disabled { opacity: 0.64; cursor: wait; }
.form-status { color: var(--muted-on-dark); font-size: 0.72rem; line-height: 1.5; }
.form-status a { color: var(--text-on-dark); }
.form-status.is-error { color: color-mix(in oklch, var(--danger) 72%, var(--text-on-dark)); }
.form-trap { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; }
.form-success { min-height: 28rem; padding: clamp(2rem, 6vw, 4rem) clamp(1.25rem, 4vw, 2rem); display: grid; align-content: center; gap: 1.25rem; }
.form-success .eyebrow { color: var(--signal); }
.form-success h3 { max-width: 15ch; font-size: clamp(2.3rem, 8cqi, 4rem); }
.form-success > p:not(.eyebrow) { max-width: 38ch; color: var(--muted-on-dark); }
.form-success button { justify-self: start; border: 0; background: transparent; cursor: pointer; }
.form-noscript { padding: 0 1.25rem 1.25rem; color: var(--muted-on-dark); font-size: 0.75rem; }

@container (min-width: 34rem) {
  .form-identity { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .agent-findings { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
}

@keyframes agent-ping { from { opacity: 0.72; transform: scale(0.55); } to { opacity: 0; transform: scale(1.45); } }
@keyframes agent-route { from { transform: translate(-0.7rem, -50%); } to { transform: translate(0, -50%); } }
@keyframes agent-output-in { from { opacity: 0; transform: translateY(0.75rem); } to { opacity: 1; transform: translateY(0); } }

.site-footer { padding: 3rem 0 max(3rem, env(safe-area-inset-bottom)); border-top: 1px solid var(--rule-dark); }
.footer-grid { display: grid; gap: 2rem; }
.footer-grid > p { color: var(--muted-on-dark); font-size: var(--text-sm); }
.footer-grid > div { display: flex; flex-wrap: wrap; gap: 0.8rem 1.2rem; font-family: var(--font-display); font-size: var(--text-sm); }
.footer-meta { font-family: var(--font-data); font-size: 0.62rem !important; letter-spacing: 0.04em; }

@keyframes hero-in { to { opacity: 1; transform: translateY(0); } }

@media (hover: hover) {
  .button:hover { transform: translateY(-2px); }
  .button--signal:hover { background: var(--text-on-dark); border-color: var(--text-on-dark); }
  .agent-shape-button:hover { border-color: var(--signal); background: var(--ink-soft); }
  .challenge-options label:hover span { color: var(--text-on-dark); background-color: var(--ink-soft); }
  .challenge-options label:hover input:checked + span { color: var(--ink); background-color: var(--signal); }
  .desktop-nav a:not(.nav-cta):hover { color: var(--signal); }
  .satellite:hover { z-index: 10; border-color: var(--signal); background: var(--ink-soft); transform: translateY(-3px); }
  .essay:hover h3 { color: var(--signal-dark); }
  .essay:hover > b { transform: translate(0.2rem, -0.2rem); }
  .essay > b { transition: transform 180ms var(--ease-out); }
}

@media (pointer: coarse) {
  .desktop-nav a, .principal-links a, .reel-chapter a, .proof-item a, .agent-shape-button { min-height: 3rem; }
}

@media (min-width: 48rem) {
  :root { --wrap: min(88rem, calc(100vw - 4rem)); }
  .site-header { padding-inline: 2rem; }
  .menu-toggle, .mobile-nav { display: none; }
  .desktop-nav { display: flex; align-items: center; gap: 1.6rem; font-family: var(--font-display); font-size: 0.76rem; }
  .desktop-nav a { min-height: 2.75rem; display: inline-flex; align-items: center; text-decoration: none; transition: color 180ms var(--ease-out), background 180ms var(--ease-out); }
  .desktop-nav .nav-cta { padding: 0 0.9rem; border: 1px solid var(--signal); color: var(--signal); }
  .desktop-nav .nav-cta:hover { background: var(--signal); color: var(--ink); }

  .hero-grid { align-items: end; }
  .hero-ticker div { gap: 2rem; }

  .section-intro { grid-template-columns: 1fr 2.1fr; column-gap: 2rem; }
  .section-intro h2 { grid-column: 1 / -1; }
  .section-intro > p:last-child { grid-column: 2; }

  .practice-row { grid-template-columns: 2.5rem minmax(14rem, 1.1fr) minmax(18rem, 1fr); column-gap: 2rem; align-items: start; }
  .practice-row > p { padding-top: 1.8rem; }
  .practice-row .project-chips { grid-column: 2 / -1; }

  .reel-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(20rem, 0.75fr); gap: clamp(3rem, 6vw, 7rem); align-items: start; }
  .reel-stage { position: sticky; top: 7.5rem; }
  .reel-chapters { margin-top: 0; }
  .reel-chapter { min-height: 75svh; }

  .proof-index { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-item { padding: 2rem; }
  .proof-item:nth-child(odd) { padding-left: 0; padding-right: 2rem; }
  .proof-item:nth-child(even) { padding-left: 2rem; padding-right: 0; border-left: 1px solid var(--rule-paper); }
  .proof-item--lead { grid-column: 1 / -1; min-height: 34rem; padding: clamp(2rem, 5vw, 5rem) 0 !important; grid-template-columns: 1fr 1.4fr; column-gap: 4rem; }
  .proof-item--lead .proof-item__meta { grid-column: 1 / -1; }
  .proof-item--lead h3 { grid-column: 1; font-size: clamp(4rem, 10vw, 9rem); align-self: end; }
  .proof-item--lead .proof-item__thesis { grid-column: 2; align-self: end; font-size: clamp(1.5rem, 3vw, 2.6rem); }
  .proof-item--lead .proof-item__body { grid-column: 2; }
  .proof-item--lead .proof-item__actions { grid-column: 2; }
  .proof-item--wide { grid-column: 1 / -1; padding-inline: 0 !important; grid-template-columns: minmax(18rem, 0.9fr) minmax(0, 1.1fr); column-gap: 4rem; }
  .proof-item--wide .proof-item__meta { grid-column: 1 / -1; }
  .proof-item--wide h3 { grid-column: 1; grid-row: 2 / span 3; align-self: start; }
  .proof-item--wide .proof-item__thesis { grid-column: 2; grid-row: 2; }
  .proof-item--wide .proof-item__body { grid-column: 2; grid-row: 3; }
  .proof-item--wide .proof-item__actions { grid-column: 2; grid-row: 4; }

  .constellation-map { min-height: 42rem; }
  .satellite { width: 7.5rem; min-height: 4.8rem; }
  .satellite--edu { top: 5%; left: 19%; }
  .satellite--trust { top: 8%; right: 15%; }
  .satellite--studio { top: 44%; right: 1%; }
  .satellite--fed { bottom: 4%; right: 18%; }
  .satellite--med { bottom: 9%; left: 12%; }

  .ideas-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(3rem, 8vw, 8rem); align-items: start; }
  .ideas-heading { position: sticky; top: 8rem; grid-template-columns: 1fr; }
  .ideas-heading h2, .ideas-heading > p:last-child { grid-column: 1; }
  .ideas-film { grid-column: 1; }
  .essay-list { grid-column: 2; grid-row: 1 / span 2; }

  .principal-layout { grid-template-columns: minmax(12rem, 0.7fr) minmax(0, 1.5fr); column-gap: 4rem; }
  .principal-layout .eyebrow { grid-column: 1; }
  .principal h2 { grid-column: 1 / -1; }
  .principal-lede { grid-column: 1; }
  .principal-body, .principal-links { grid-column: 2; }

  .discovery-grid { grid-template-columns: minmax(0, 1.15fr) minmax(24rem, 0.85fr); gap: clamp(4rem, 9vw, 10rem); }
  .discovery-copy { position: sticky; top: 8rem; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 0.8fr 0.8fr; align-items: start; }
  .footer-grid > div { flex-direction: column; }
}

@media (min-width: 70rem) {
  :root { --wrap: min(88rem, calc(100vw - 8rem)); }
  .site-header { padding-inline: 4rem; }

  .proof-rail {
    position: fixed;
    z-index: 180;
    top: 6rem;
    right: 1rem;
    bottom: 1.5rem;
    width: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
    pointer-events: none;
  }
  .proof-rail__label { color: var(--muted-on-dark); font-family: var(--font-data); font-size: 0.46rem; letter-spacing: 0.08em; writing-mode: vertical-rl; }
  .proof-rail__track { position: relative; flex: 1; width: 1px; background: var(--rule-dark); }
  .proof-rail__track i { position: absolute; top: 0; left: -0.21rem; width: 0.44rem; height: 0.44rem; border-radius: 50%; background: var(--signal); transform: translateY(calc(var(--scroll) * (100vh - 13rem))); box-shadow: 0 0 0 0.22rem var(--ink); }

  .practice-row { grid-template-columns: 2.5rem minmax(18rem, 1fr) minmax(22rem, 1fr) minmax(12rem, 0.55fr); }
  .practice-row .project-chips { grid-column: auto; padding-top: 1.8rem; }

  .constellation-layout { grid-template-columns: minmax(0, 0.8fr) minmax(35rem, 1.2fr); gap: 6rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .hero-enter, .reveal { opacity: 1; transform: none; }
  .synapse-field { display: none; }
  .reel-video { transform: none; }
  .motion-toggle { display: none; }
  .proof-rail__track i { transform: none; }
}

@media print {
  .site-header, .proof-rail, .synapse-field, .hero-ticker, .menu-toggle, .button { display: none !important; }
  .dark, .paper { background: white !important; color: black !important; }
  .hero { min-height: auto; padding-top: 2rem; }
  .hero-grid { min-height: auto; }
  .reveal, .hero-enter { opacity: 1 !important; transform: none !important; }
  .reel-video { position: relative; opacity: 1; }
  a { color: black !important; text-decoration: underline; }
}