:root {
  color-scheme: dark;
  --ink-950: #0a0b0d;
  --ink-925: #0d0e11;
  --ink-900: #101114;
  --ink-875: #15161a;
  --ink-850: #1a1b20;
  --paper: #e8e9ed;
  --text: #a3a7b4;
  --text-dim: #858a99;
  --line: rgba(232, 233, 237, 0.09);
  --line-strong: rgba(232, 233, 237, 0.18);
  --electric: #4a9eff;
  --electric-hi: #80bdff;
  --electric-wash: rgba(74, 158, 255, 0.09);
  --electric-line: rgba(74, 158, 255, 0.34);
  --green: #34d399;
  --green-hi: #6ee7b7;
  --green-wash: rgba(52, 211, 153, 0.08);
  --amber: #fbbf24;
  --amber-wash: rgba(251, 191, 36, 0.08);
  --violet: #a78bfa;
  --violet-hi: #c4b5fd;
  --rose: #f472b6;
  --cyan: #22d3ee;
  --danger: #ff8e8e;
  --header-height: 96px;
  --page-max: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  background: var(--ink-950);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% 5%, rgba(68, 112, 196, 0.13), transparent 31rem),
    var(--ink-950);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.dialog-open {
  overflow: hidden;
}

::selection {
  background: var(--electric);
  color: var(--ink-950);
}

a {
  color: inherit;
}

button,
textarea,
input {
  font: inherit;
}

button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

p,
h1,
h2,
h3,
blockquote,
figure {
  margin-top: 0;
}

:where(a, button, summary, textarea, input):focus-visible {
  outline: 2px solid var(--electric-hi);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 300;
  padding: 0.7rem 1rem;
  transform: translateY(-160%);
  border: 1px solid var(--electric);
  border-radius: 3px;
  background: var(--ink-950);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-decoration: none;
  transition: transform 160ms ease;
}

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

.scroll-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 250;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--electric);
  pointer-events: none;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 12, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-shell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  width: min(100%, calc(var(--page-max) + (var(--gutter) * 2)));
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  min-width: max-content;
  color: var(--paper);
  text-decoration: none;
}

.brand-logo {
  width: 148px;
  height: auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: linear-gradient(135deg, var(--electric-wash), transparent 65%);
  color: var(--electric-hi);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.05;
}

.brand-name {
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-label {
  margin-top: 0.3rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.25rem, 0.5vw, 0.45rem);
}

/* Section links are outlined pills. Each carries its accent via --pill,
   sequenced left-to-right so no pill shares a color with its neighbor:
   blue, rose, cyan, violet, amber, green, then the two solid action pills
   (violet AI Chat, blue CTA). */
.nav-link {
  --pill: var(--electric);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.5rem clamp(0.72rem, 0.95vw, 1.05rem);
  border: 1px solid color-mix(in srgb, var(--pill) 38%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--pill) 10%, transparent);
  color: var(--pill);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease;
}

.nav-link[data-section='work'] { --pill: var(--rose); }
.nav-link[data-section='evidence'] { --pill: var(--cyan); }
.nav-link[data-section='record'] { --pill: var(--violet); }
.nav-link--philosophy { --pill: var(--amber); }
.nav-link--quant { --pill: var(--green); }

.nav-link:hover {
  border-color: color-mix(in srgb, var(--pill) 62%, transparent);
  background: color-mix(in srgb, var(--pill) 19%, transparent);
}

.nav-link.is-active {
  border-color: var(--pill);
  background: var(--pill);
  color: var(--ink-950);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 0.8vw, 0.6rem);
}

/* The two actions are solid pills, one step larger than the section links. */
.nav-button,
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.6rem clamp(1rem, 1.3vw, 1.35rem);
  border: 1px solid var(--violet);
  border-radius: 999px;
  background: var(--violet);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.nav-button:hover {
  transform: translateY(-1px);
  border-color: var(--violet-hi);
  background: var(--violet-hi);
}

.nav-cta {
  border-color: var(--electric);
  background: var(--electric);
}

.nav-cta:hover {
  transform: translateY(-1px);
  border-color: var(--electric-hi);
  background: var(--electric-hi);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle-lines,
.menu-toggle-lines::before,
.menu-toggle-lines::after {
  display: block;
  width: 18px;
  height: 1px;
  margin: auto;
  background: var(--paper);
  transition: transform 160ms ease, opacity 160ms ease;
}

.menu-toggle-lines {
  position: relative;
}

.menu-toggle-lines::before,
.menu-toggle-lines::after {
  content: '';
  position: absolute;
  left: 0;
}

.menu-toggle-lines::before { top: -6px; }
.menu-toggle-lines::after { top: 6px; }

.menu-toggle[aria-expanded='true'] .menu-toggle-lines {
  background: transparent;
}

.menu-toggle[aria-expanded='true'] .menu-toggle-lines::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded='true'] .menu-toggle-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-panel {
  display: none;
}

main {
  position: relative;
}

.page-grid {
  width: min(100%, calc(var(--page-max) + (var(--gutter) * 2)));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.hero-ledger {
  position: relative;
  isolation: isolate;
  min-height: 0;
  padding: calc(var(--header-height) + clamp(2.25rem, 4.5vw, 3.5rem)) 0 0;
  border-bottom: 1px solid var(--line);
  overflow: clip;
}

.hero-ledger::before {
  content: '';
  position: absolute;
  z-index: -2;
  inset: 0;
  background-image:
    linear-gradient(to right, transparent calc(100% - 1px), var(--line) 1px),
    linear-gradient(to bottom, transparent calc(100% - 1px), rgba(243, 241, 236, 0.035) 1px);
  background-size: calc(100% / 12) 100%, 100% 6.5rem;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.7), rgba(0,0,0,.05) 85%, transparent);
}

.hero-ledger::after {
  content: '';
  position: absolute;
  z-index: -1;
  top: 4%;
  right: -12rem;
  width: 46rem;
  height: 46rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(118, 167, 255, 0.13), transparent 66%);
  pointer-events: none;
}

.hero-layout {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.hero-copy {
  grid-column: span 7;
  padding-bottom: clamp(4rem, 9vw, 7rem);
}

.eyebrow,
.section-kicker,
.mono-label {
  color: var(--electric-hi);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.eyebrow::before {
  content: '';
  width: 2.4rem;
  height: 1px;
  background: var(--electric);
}

.hero-name {
  max-width: 8ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(4.35rem, 8.2vw, 7.6rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.84;
}

.hero-name em {
  color: var(--electric-hi);
  font-weight: 400;
}

.hero-thesis {
  max-width: 18ch;
  margin: clamp(2rem, 4vw, 3.2rem) 0 1.5rem;
  font-size: clamp(1.55rem, 3vw, 2.9rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.06;
}

.hero-deck {
  max-width: 62ch;
  margin-bottom: 2.15rem;
  color: var(--text);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.68;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.76rem 1.15rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 500;
  letter-spacing: 0.035em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease, color 150ms ease, background 150ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: var(--electric);
  color: var(--electric-hi);
}

.button--primary {
  border-color: var(--electric);
  background: var(--electric);
  color: var(--ink-950);
}

.button--primary:hover {
  background: var(--electric-hi);
  color: var(--ink-950);
}

.button svg {
  width: 15px;
  height: 15px;
}

.proof-ledger {
  grid-column: 9 / -1;
  border: 1px solid var(--line-strong);
  background: rgba(13, 17, 23, 0.5);
}

.proof-ledger-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 2vw, 1.4rem);
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.proof-cell {
  position: relative;
  padding: clamp(1.5rem, 2.8vw, 2.15rem) clamp(1rem, 2vw, 1.4rem);
  border-bottom: 1px solid var(--line);
}

.proof-cell:last-child {
  border-bottom: 0;
}

.proof-cell::before {
  content: '';
  position: absolute;
  inset: -1px 0 auto;
  width: 0;
  height: 1px;
  background: var(--electric);
  transition: width 170ms ease;
}

.proof-cell:hover::before,
.proof-cell:focus-within::before {
  width: 100%;
}

.proof-value {
  display: block;
  color: var(--green);
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 3.6vw, 3.55rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.proof-value--text {
  color: var(--electric-hi);
  font-family: var(--font-body);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.proof-label {
  display: block;
  max-width: 34ch;
  margin-top: 0.9rem;
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.55;
}

.proof-label a {
  color: var(--electric-hi);
  font-weight: 600;
  text-decoration-color: var(--electric-line);
  text-underline-offset: 3px;
}

.proof-label a:hover,
.proof-label a:focus-visible {
  text-decoration-color: currentColor;
}

.hero-footnote {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 0 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: calc(0.7rem + 1pt);
  letter-spacing: 0.04em;
}

.hero-footnote a {
  color: var(--text);
  text-decoration-color: var(--line-strong);
  text-underline-offset: 4px;
}

.section {
  position: relative;
  padding: clamp(5.5rem, 10vw, 9rem) 0;
  border-bottom: 1px solid var(--line);
}

#references {
  padding-top: clamp(3.75rem, 6vw, 5.5rem);
}

.section--shift {
  background: var(--ink-925);
}

.section--deep {
  background: var(--ink-900);
}

.section-trace {
  display: grid;
  grid-template-columns: auto minmax(2rem, 1fr);
  align-items: center;
  gap: 0.9rem;
  margin-bottom: clamp(2.3rem, 5vw, 4rem);
}

.section-index {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.section-trace-line {
  height: 1px;
  background: var(--line);
}

.section-head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: end;
  margin-bottom: clamp(2.75rem, 6vw, 5rem);
}

.section-title-block {
  grid-column: span 7;
}

.section-kicker {
  display: block;
  margin-bottom: 1rem;
}

.section-heading {
  max-width: 12ch;
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.6vw, 5.15rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.96;
}

.section-intro {
  grid-column: 8 / -1;
  max-width: 58ch;
  margin-bottom: 0.2rem;
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.72;
}

.taxonomy-shell {
  position: relative;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  min-height: 30rem;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(to right, transparent calc(100% - 1px), var(--line) 1px),
    linear-gradient(to bottom, transparent calc(100% - 1px), rgba(243,241,236,.045) 1px),
    var(--ink-900);
  background-size: calc(100% / 6) 100%, 100% 5rem, auto;
  overflow: hidden;
}

.taxonomy-shell::after {
  content: '';
  position: absolute;
  top: -12rem;
  right: -9rem;
  width: 32rem;
  height: 32rem;
  border: 1px solid var(--electric-line);
  border-radius: 50%;
  opacity: 0.22;
  pointer-events: none;
}

.taxonomy-core {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.75rem, 4vw, 3.5rem);
  border-right: 1px solid var(--line-strong);
}

.taxonomy-core-copy {
  max-width: 31rem;
}

.taxonomy-core h3 {
  margin: 1rem 0 1.2rem;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.taxonomy-core p {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
}

.taxonomy-core-metric {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.taxonomy-core-metric strong {
  display: block;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.taxonomy-core-metric span {
  display: block;
  margin-top: 0.35rem;
  color: var(--text-dim);
  font-size: 0.76rem;
}

.taxonomy-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.taxonomy-node {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 10rem;
  padding: 1.45rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease;
}

.taxonomy-node:nth-child(2n) { border-right: 0; }
.taxonomy-node:nth-last-child(-n + 2) { border-bottom: 0; }

.taxonomy-node::before {
  content: '';
  position: absolute;
  inset: -1px auto auto -1px;
  width: 0;
  height: 2px;
  background: var(--electric);
  transition: width 170ms ease;
}

.taxonomy-node:hover,
.taxonomy-node:focus-visible,
.taxonomy-node.is-active {
  background: var(--electric-wash);
}

.taxonomy-node:hover::before,
.taxonomy-node:focus-visible::before,
.taxonomy-node.is-active::before {
  width: calc(100% + 1px);
}

.taxonomy-node-id {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
}

.taxonomy-node strong {
  margin: 0.9rem 0 0.6rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.taxonomy-node span:last-child {
  color: var(--text-dim);
  font-size: 0.77rem;
  line-height: 1.5;
}

.flagship-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.flagship-card {
  position: relative;
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  min-height: 31rem;
  padding: clamp(1.5rem, 3.5vw, 3rem);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--ink-900);
  overflow: hidden;
  transition: background 160ms ease;
}

.flagship-card:nth-child(1),
.flagship-card:nth-child(4) {
  grid-column: span 7;
}

.flagship-card:nth-child(2),
.flagship-card:nth-child(3) {
  grid-column: span 5;
}

.flagship-card::before {
  content: '';
  position: absolute;
  inset: 0 auto auto 0;
  width: 0;
  height: 2px;
  background: var(--electric);
  transition: width 180ms ease;
}

.flagship-card:hover,
.flagship-card:focus-within {
  background: var(--ink-850);
}

.flagship-card:hover::before,
.flagship-card:focus-within::before {
  width: 100%;
}

.flagship-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: auto;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.flagship-metric {
  display: block;
  margin: clamp(3.6rem, 7vw, 6.5rem) 0 1.2rem;
  color: var(--green);
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.4vw, 6.4rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.055em;
  line-height: 0.82;
}

.flagship-card:nth-child(2) .flagship-metric,
.flagship-card:nth-child(3) .flagship-metric {
  font-size: clamp(2.7rem, 5vw, 4.8rem);
}

.flagship-card h3 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.flagship-card p {
  max-width: 57ch;
  margin-bottom: 1.5rem;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.67;
}

.flagship-context {
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.55;
}

.trace-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: fit-content;
  color: var(--electric-hi);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}

.trace-link::after {
  content: '↗';
  transition: transform 150ms ease;
}

.trace-link::before {
  content: '';
  position: absolute;
  right: 1.1rem;
  bottom: -0.25rem;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--electric);
  transition: transform 160ms ease;
}

.trace-link:hover::before,
.trace-link:focus-visible::before {
  transform: scaleX(1);
}

.trace-link:hover::after,
.trace-link:focus-visible::after {
  transform: translate(2px, -2px);
}

.quote-band {
  position: relative;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(2rem, 6vw, 6rem);
  padding: clamp(2.5rem, 6vw, 5.2rem);
  border: 1px solid var(--electric-line);
  background: linear-gradient(115deg, var(--electric-wash), rgba(13,17,23,.4) 55%);
}

.quote-band-label {
  color: var(--electric-hi);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quote-band blockquote {
  margin-bottom: 1.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3vw, 3rem);
  letter-spacing: -0.035em;
  line-height: 1.14;
}

.quote-band cite,
.reference-card cite {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: calc(0.72rem + 1pt);
  font-style: normal;
  line-height: 1.6;
}

.quote-band-note {
  margin-top: 1.3rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 0.86rem;
}

.case-list {
  border-top: 1px solid var(--line-strong);
}

.case-study {
  border-bottom: 1px solid var(--line-strong);
}

.case-study summary {
  list-style: none;
  cursor: pointer;
}

.case-study summary::-webkit-details-marker {
  display: none;
}

.case-summary-grid {
  display: grid;
  grid-template-columns: minmax(8rem, 0.8fr) minmax(0, 2.3fr) minmax(9rem, 1fr) 44px;
  gap: clamp(1rem, 3vw, 2.4rem);
  align-items: center;
  min-height: 9.5rem;
  padding: 1.6rem 0;
}

.case-summary-main,
.case-title,
.case-client,
.case-outcome {
  display: block;
}

.case-type {
  color: var(--electric-hi);
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.06em;
  line-height: 1.5;
  text-transform: uppercase;
}

.case-title {
  margin-bottom: 0.55rem;
  font-size: clamp(1.12rem, 2vw, 1.55rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.case-client {
  color: var(--text-dim);
  font-size: 0.82rem;
}

.case-outcome {
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.5;
}

.case-outcome strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-variant-numeric: tabular-nums;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
}

.case-outcome strong,
.case-stat strong {
  color: var(--green);
}

.case-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.case-toggle::before,
.case-toggle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 13px;
  height: 1px;
  transform: translate(-50%, -50%);
  background: var(--electric-hi);
  transition: transform 150ms ease;
}

.case-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.case-study[open] .case-toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.case-study[open] .case-summary-grid {
  background: linear-gradient(to right, var(--electric-wash), transparent 60%);
}

.case-body {
  padding: 0 0 clamp(2.4rem, 5vw, 4.2rem);
}

.case-body-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: clamp(2rem, 6vw, 6rem);
  padding: clamp(1.8rem, 4vw, 3.2rem);
  border: 1px solid var(--line);
  background: var(--ink-900);
}

.case-body h3 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.case-body p {
  max-width: 69ch;
  margin-bottom: 0;
  color: var(--text);
  line-height: 1.75;
}

.case-stats {
  display: grid;
  gap: 1rem;
}

.case-stat {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.case-stat:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.case-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-variant-numeric: tabular-nums;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
}

.case-stat span {
  display: block;
  margin-top: 0.45rem;
  color: var(--text-dim);
  font-size: 0.77rem;
  line-height: 1.5;
}

.atlas-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.4rem;
}

.atlas-count {
  color: var(--paper);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1;
}

.atlas-count small {
  display: block;
  margin-top: 0.55rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

.status-key {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem 1.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.status-key li {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.status-dot--live { background: var(--green); color: var(--green); }
.status-dot--gated { background: transparent; color: var(--electric-hi); }
.status-dot--deploy { border-radius: 0; color: var(--amber); }

.atlas-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.atlas-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 21rem;
  padding: 1.45rem;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--ink-900);
  transition: background 160ms ease;
}

.atlas-card::before {
  content: '';
  position: absolute;
  inset: 0 auto auto 0;
  width: 0;
  height: 2px;
  background: var(--electric);
  transition: width 170ms ease;
}

.atlas-card:hover,
.atlas-card:focus-within,
.atlas-card.is-taxonomy-active {
  background: var(--ink-850);
}

.atlas-card:hover::before,
.atlas-card:focus-within::before,
.atlas-card.is-taxonomy-active::before {
  width: 100%;
}

.atlas-card.is-taxonomy-muted {
  opacity: 0.66;
}

.atlas-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.atlas-card h3 {
  margin-bottom: 0.4rem;
  font-size: 1.13rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.atlas-oneliner {
  margin-bottom: 1.1rem;
  color: var(--text-dim);
  font-size: 0.8rem;
  line-height: 1.45;
}

.atlas-card p {
  margin-bottom: 1.2rem;
  color: var(--text);
  font-size: 0.87rem;
  line-height: 1.63;
}

.atlas-metric {
  margin-top: auto;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--green-hi);
  font-size: 0.83rem;
  line-height: 1.5;
}

.atlas-meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 1rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  line-height: 1.45;
}

.atlas-meta a {
  flex: 0 0 auto;
}

.atlas-note {
  margin-top: 1.2rem;
  color: var(--text-dim);
  font-size: 0.79rem;
  line-height: 1.6;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.principle {
  min-height: 20rem;
  padding: clamp(1.6rem, 4vw, 3.2rem);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.principle-number {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.principle h3 {
  max-width: 15ch;
  margin: clamp(2.5rem, 5vw, 4.8rem) 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.principle p {
  max-width: 56ch;
  margin-bottom: 0;
  color: var(--text);
  font-size: 0.93rem;
  line-height: 1.7;
}

.publication-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.publication-card {
  display: flex;
  flex-direction: column;
  min-height: 31rem;
  padding: clamp(1.6rem, 4vw, 3.2rem);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--ink-900);
}

.publication-status {
  width: fit-content;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--electric-line);
  border-radius: 2px;
  color: var(--electric-hi);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.publication-card h3 {
  margin: 2.2rem 0 1.2rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3.35rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.publication-cite {
  margin-bottom: 1.2rem;
  color: var(--paper);
  font-size: 0.88rem;
  line-height: 1.65;
}

.publication-card p {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.7;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.publication-card h3 a {
  color: inherit;
  text-decoration-color: var(--electric-line);
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.publication-card h3 a:hover,
.publication-card h3 a:focus-visible {
  color: var(--electric-hi);
  text-decoration-color: currentColor;
}

.research-note {
  margin-top: 1.2rem;
  padding: 1.2rem 1.4rem;
  border-left: 2px solid var(--electric);
  background: var(--electric-wash);
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.65;
}

.career-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(20rem, 0.65fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.career-arc {
  position: relative;
}

.career-arc::before {
  content: '';
  position: absolute;
  top: 0.45rem;
  bottom: 1rem;
  left: 0.32rem;
  width: 1px;
  background: var(--line-strong);
}

.career-step {
  position: relative;
  padding: 0 0 clamp(3rem, 6vw, 5rem) 2.4rem;
}

.career-step:last-child {
  padding-bottom: 0;
}

.career-step::before {
  content: '';
  position: absolute;
  top: 0.45rem;
  left: 0;
  width: 0.7rem;
  height: 0.7rem;
  border: 1px solid var(--electric);
  border-radius: 50%;
  background: var(--ink-925);
}

.career-year {
  color: var(--electric-hi);
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.06em;
}

.career-step h3 {
  margin: 0.8rem 0 0.75rem;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.career-step p {
  max-width: 67ch;
  margin-bottom: 0;
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.72;
}

.credential-panel {
  align-self: start;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border: 1px solid var(--line-strong);
  background: var(--ink-900);
}

.credential-group {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.credential-group:first-of-type { padding-top: 1.8rem; }
.credential-group:last-child { padding-bottom: 0; border-bottom: 0; }

.credential-group dt {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.credential-group dd {
  margin: 0.5rem 0 0;
  color: var(--paper);
  font-size: 0.88rem;
  line-height: 1.62;
}

.reference-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.reference-card {
  display: flex;
  flex-direction: column;
  min-height: 23rem;
  padding: clamp(1.6rem, 4vw, 3.1rem);
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--ink-900);
}

.reference-card blockquote {
  position: relative;
  margin-bottom: 2rem;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.4vw, 2.2rem);
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.reference-card blockquote::before {
  content: '“';
  color: var(--electric);
}

.reference-card cite {
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.contact-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
  padding: clamp(2rem, 6vw, 5rem);
  border: 1px solid var(--electric-line);
  background: linear-gradient(120deg, rgba(118,167,255,.13), rgba(13,17,23,.72) 52%, var(--ink-900));
  overflow: hidden;
}

.contact-panel::after {
  content: '';
  position: absolute;
  right: -9rem;
  bottom: -15rem;
  width: 33rem;
  height: 33rem;
  border: 1px solid var(--electric-line);
  border-radius: 50%;
  opacity: 0.35;
  pointer-events: none;
}

.contact-panel h2 {
  max-width: 10ch;
  margin: 0.8rem 0 1.4rem;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6.5vw, 6.5rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.9;
}

.contact-panel p {
  max-width: 60ch;
  margin-bottom: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
}

.contact-aside {
  position: relative;
  z-index: 1;
}

.contact-direct {
  display: block;
  margin-bottom: 1.3rem;
  color: var(--electric-hi);
  font-family: var(--font-mono);
  font-size: clamp(0.78rem, 1.5vw, 1rem);
  text-decoration-color: var(--electric-line);
  text-underline-offset: 5px;
}

.site-footer {
  padding: 2rem 0 2.5rem;
  background: var(--ink-950);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1.2rem;
}

.footer-links a,
.footer-center {
  color: var(--text);
  text-decoration: none;
}

.footer-links a:hover,
.footer-center:hover {
  color: var(--electric-hi);
}

.chat-fab {
  position: fixed;
  z-index: 180;
  right: clamp(1rem, 2.5vw, 2rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 46px;
  padding: 0.65rem 0.85rem;
  transform: translateY(140%);
  border: 1px solid var(--electric-line);
  border-radius: 3px;
  background: rgba(13, 17, 23, 0.94);
  color: var(--paper);
  box-shadow: 0 12px 35px rgba(0,0,0,.28);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0;
  transition: transform 180ms ease, opacity 180ms ease, border-color 150ms ease;
}

.chat-fab.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.chat-fab:hover {
  border-color: var(--electric);
}

.chat-fab-dot {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--electric-line);
  border-radius: 2px;
  background: var(--electric-wash);
  color: var(--electric-hi);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0;
}

.chat-dialog {
  width: min(980px, calc(100vw - 2rem));
  max-width: none;
  height: min(760px, calc(100dvh - 2rem));
  max-height: none;
  margin: auto;
  padding: 0;
  border: 1px solid var(--electric-line);
  border-radius: 5px;
  background: var(--ink-900);
  color: var(--paper);
  box-shadow: 0 30px 90px rgba(0,0,0,.65);
  overflow: hidden;
}

.chat-dialog[open] {
  animation: dialog-in 180ms ease-out both;
}

.chat-dialog::backdrop {
  background: rgba(2, 4, 7, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: backdrop-in 180ms ease-out both;
}

@keyframes dialog-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.chat-shell,
.ai-chat-container {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 0;
  border-radius: 0;
  background: var(--ink-900);
  overflow: hidden;
}

.ai-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
  padding: 0.7rem 0.9rem 0.7rem 1rem;
  border-bottom: 1px solid var(--line-strong);
  background: var(--ink-950);
}

.ai-chat-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.ai-chat-title-dot {
  width: 8px;
  height: 8px;
  border: 1px solid var(--electric);
  border-radius: 50%;
  background: var(--electric);
}

.ai-chat-title-copy strong {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.2;
}

.ai-chat-title-copy span {
  display: block;
  margin-top: 0.28rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
}

.ai-chat-header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.ai-chat-tabs {
  display: flex;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: var(--ink-900);
}

.chat-tab {
  min-height: 34px;
  padding: 0.35rem 0.65rem;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.03em;
  cursor: pointer;
}

.chat-tab.active {
  background: var(--electric-wash);
  color: var(--electric-hi);
}


#tabSonnet.active {
  background: var(--amber-wash);
  color: var(--amber);
}

#tabOpus.active {
  background: var(--electric-wash);
  color: var(--electric-hi);
}

.ai-chat-close {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: border-color 150ms ease, color 150ms ease;
}

.ai-chat-close:hover {
  border-color: var(--electric);
  color: var(--paper);
}

.ai-chat-body {
  min-height: 0;
  max-height: none;
  padding: clamp(1.2rem, 3vw, 2.3rem);
  background: var(--ink-900);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--line-strong) transparent;
}

.chat-welcome {
  max-width: 620px;
  margin: 0 auto;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--line);
  background: var(--ink-875);
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.65;
}

.chat-welcome strong {
  color: var(--paper);
  font-weight: 500;
}

.chat-suggestions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  max-width: 700px;
  margin: 1rem auto 0;
}

.chat-suggestion {
  min-height: 52px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--text);
  font-size: 0.75rem;
  text-align: left;
  line-height: 1.4;
  cursor: pointer;
  transition: border-color 150ms ease, color 150ms ease;
}

.chat-suggestion:hover {
  border-color: var(--electric-line);
  color: var(--paper);
}

.chat-msg {
  display: flex;
  flex-direction: column;
  max-width: 78%;
  margin-bottom: 1.2rem;
}

.chat-msg.user {
  margin-left: auto;
  align-items: flex-end;
}

.chat-msg.assistant {
  margin-right: auto;
  align-items: flex-start;
}

.chat-msg-label {
  margin-bottom: 0.35rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.chat-msg-bubble {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ink-875);
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.65;
  white-space: pre-wrap;
}

.chat-msg.user .chat-msg-bubble {
  border-color: var(--electric-line);
  background: var(--electric-wash);
  color: var(--paper);
}

.chat-typing {
  display: none;
  width: fit-content;
  padding: 0.8rem 1rem;
}

.chat-typing-dots {
  display: flex;
  gap: 0.3rem;
}

.chat-typing-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--electric);
  animation: chat-dot 900ms ease-in-out infinite alternate;
}

.chat-typing-dots span:nth-child(2) { animation-delay: 150ms; }
.chat-typing-dots span:nth-child(3) { animation-delay: 300ms; }

@keyframes chat-dot {
  from { opacity: 0.25; transform: translateY(0); }
  to { opacity: 1; transform: translateY(-3px); }
}

.ai-chat-file-indicator {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem clamp(1rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
  background: var(--electric-wash);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.ai-chat-file-indicator.visible {
  display: flex;
}

.ai-chat-file-remove {
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 1.15rem;
  cursor: pointer;
}

.ai-chat-input-area {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: end;
  padding: 0.9rem clamp(0.9rem, 2vw, 1.4rem);
  border-top: 1px solid var(--line-strong);
  background: var(--ink-950);
}

.ai-chat-input-field {
  width: 100%;
  min-height: 44px;
  max-height: 150px;
  padding: 0.72rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: var(--ink-900);
  color: var(--paper);
  font-size: 0.95rem;
  line-height: 1.45;
  resize: none;
}

.ai-chat-input-field::placeholder { color: var(--text-dim); }
.ai-chat-input-field:focus { border-color: var(--electric); outline: 0; }

.ai-chat-attach,
.ai-chat-send {
  display: grid;
  place-items: center;
  min-width: 44px;
  height: 44px;
  padding: 0 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: border-color 150ms ease, color 150ms ease, background 150ms ease;
}

.ai-chat-attach { padding: 0; }

.ai-chat-attach:hover {
  border-color: var(--electric);
  color: var(--paper);
}

.ai-chat-send {
  background: var(--electric);
  border-color: var(--electric);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
}

.ai-chat-send:hover { background: var(--electric-hi); }
.ai-chat-send:disabled { opacity: 0.45; cursor: not-allowed; }

.chat-image-status {
  margin-top: 0.7rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

.chat-download-btn {
  display: inline-flex;
  margin-top: 0.7rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--electric-line);
  border-radius: 2px;
  color: var(--electric-hi);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-decoration: none;
}

.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 390ms ease, transform 390ms ease;
}

.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js-ready [data-reveal-delay='1'] { transition-delay: 60ms; }
.js-ready [data-reveal-delay='2'] { transition-delay: 120ms; }

@media (max-width: 1200px) {
  .nav-primary { display: none; }
  .nav-shell { grid-template-columns: auto 1fr auto; gap: 1rem; }
  .nav-actions { justify-self: end; }
  .menu-toggle { display: block; }

  .mobile-panel {
    position: fixed;
    z-index: 190;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.55rem;
    padding: 1rem var(--gutter) 1.25rem;
    transform: translateY(-120%);
    border-bottom: 1px solid var(--line-strong);
    background: rgba(7, 9, 12, 0.98);
    pointer-events: none;
    opacity: 0;
    transition: transform 170ms ease, opacity 170ms ease;
  }

  .mobile-panel.is-open {
    transform: translateY(0);
    pointer-events: auto;
    opacity: 1;
  }

  .mobile-panel a,
  .mobile-panel button {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0.7rem 1.1rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--ink-900);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-decoration: none;
    text-transform: uppercase;
  }

  .hero-copy { grid-column: span 7; }
  .proof-ledger { grid-column: 8 / -1; }
  .hero-name { font-size: clamp(4rem, 8.5vw, 6rem); }

  .taxonomy-shell { grid-template-columns: 1fr; }
  .taxonomy-core { min-height: 23rem; border-right: 0; border-bottom: 1px solid var(--line-strong); }

  .atlas-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reference-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  :root { --header-height: 64px; }

  .nav-shell { gap: 0.6rem; }
  .brand-label { display: none; }
  .brand-logo { width: 86px; }
  .nav-actions .nav-button,
  .nav-actions .nav-cta { display: none; }

  .hero-ledger {
    min-height: 0;
    padding-top: calc(var(--header-height) + 2.5rem);
  }

  .hero-layout { display: block; }
  .hero-copy { padding-bottom: 3.3rem; }
  .hero-name { font-size: clamp(4.2rem, 16vw, 7rem); }
  .hero-thesis { max-width: 20ch; }

  .proof-ledger {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-left: 1px solid var(--line);
  }

  .proof-ledger-head {
    grid-column: 1 / -1;
    padding-inline: 1rem;
  }

  .proof-cell {
    min-height: 10.5rem;
    padding: 1.2rem 1rem;
    border-right: 1px solid var(--line);
  }

  .proof-cell:nth-child(odd) { border-right: 0; }
  .proof-value { font-size: clamp(2rem, 8vw, 3.2rem); }
  .proof-value--text { font-size: clamp(1.05rem, 4vw, 1.45rem); }

  .hero-footnote {
    flex-direction: column;
    align-items: flex-start;
    margin-top: 2.5rem;
  }

  .section-head { display: block; }
  .section-heading { max-width: 13ch; }
  .section-intro { margin-top: 1.6rem; }

  .flagship-card,
  .flagship-card:nth-child(1),
  .flagship-card:nth-child(2),
  .flagship-card:nth-child(3),
  .flagship-card:nth-child(4) {
    grid-column: 1 / -1;
    min-height: 27rem;
  }

  .quote-band { grid-template-columns: 1fr; }

  .case-summary-grid {
    grid-template-columns: 1fr auto;
    min-height: 0;
    padding: 1.4rem 0;
  }

  .case-type { grid-column: 1; }
  .case-summary-main { grid-column: 1; }
  .case-outcome { grid-column: 1; }
  .case-toggle { grid-column: 2; grid-row: 1 / 4; align-self: center; }
  .case-body-grid { grid-template-columns: 1fr; }

  .principles-grid,
  .publication-grid,
  .reference-grid {
    grid-template-columns: 1fr;
  }

  .career-layout { grid-template-columns: 1fr; }
  .contact-panel { grid-template-columns: 1fr; align-items: start; }
  .contact-aside { margin-top: 1rem; }

  .footer-grid { grid-template-columns: 1fr; text-align: left; }
  .footer-links { justify-content: flex-start; }
  .footer-center { order: -1; }

  .chat-dialog {
    width: 100vw;
    height: 100dvh;
    max-width: none;
    max-height: none;
    border: 0;
    border-radius: 0;
  }

  .ai-chat-title-copy span { display: none; }
  .chat-suggestions { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .brand-copy { display: none; }
  .mobile-panel { grid-template-columns: 1fr; max-height: calc(100dvh - var(--header-height)); overflow-y: auto; }

  .hero-ledger::before { background-size: calc(100% / 4) 100%, 100% 5rem; }
  .hero-name { font-size: clamp(4rem, 19vw, 6rem); }
  .hero-thesis { font-size: clamp(1.55rem, 7.2vw, 2.25rem); }
  .hero-deck { font-size: 1rem; }
  .hero-actions .button { width: 100%; }

  .proof-ledger { grid-template-columns: 1fr; }
  .proof-cell { min-height: 0; border-right: 0; }

  .taxonomy-grid { grid-template-columns: 1fr; }
  .taxonomy-node,
  .taxonomy-node:nth-child(2n),
  .taxonomy-node:nth-last-child(-n + 2) {
    min-height: 8.5rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .taxonomy-node:last-child { border-bottom: 0; }

  .atlas-toolbar { align-items: flex-start; flex-direction: column; }
  .status-key { justify-content: flex-start; }
  .atlas-grid { grid-template-columns: 1fr; }
  .atlas-card { min-height: 19rem; }

  .principle,
  .publication-card,
  .reference-card { min-height: 0; }

  .contact-panel { padding: 1.6rem; }
  .contact-actions .button { width: 100%; }

  .chat-fab { right: 0.8rem; bottom: 0.8rem; }
  .chat-fab-label { display: none; }
  .chat-fab { width: 46px; padding: 0; justify-content: center; border-radius: 50%; }
  .chat-fab-dot { width: auto; height: auto; border: 0; background: transparent; }

  .ai-chat-header { align-items: flex-start; }
  .ai-chat-header-actions { gap: 0.4rem; }
  .chat-tab { padding-inline: 0.45rem; font-size: 0.58rem; }
  .chat-msg { max-width: 92%; }
  .ai-chat-input-area { grid-template-columns: 44px minmax(0, 1fr); }
  .ai-chat-send { grid-column: 1 / -1; width: 100%; }
}

@media (prefers-contrast: more) {
  :root {
    --text: #d2d7df;
    --text-dim: #adb6c3;
    --line: rgba(243, 241, 236, 0.2);
    --line-strong: rgba(243, 241, 236, 0.4);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media print {
  :root { color-scheme: light; }

  body {
    background: white !important;
    color: #111 !important;
  }

  .site-header,
  .scroll-progress,
  .chat-fab,
  .chat-dialog,
  .hero-actions,
  .contact-actions,
  .taxonomy-shell,
  .site-footer {
    display: none !important;
  }

  .hero-ledger,
  .section,
  .section--shift,
  .section--deep,
  .flagship-card,
  .atlas-card,
  .publication-card,
  .reference-card,
  .credential-panel,
  .principle,
  .case-body-grid,
  .contact-panel {
    background: white !important;
    color: #111 !important;
    border-color: #bbb !important;
  }

  :where(p, span, small, cite, dt, dd, .section-intro, .hero-deck, .proof-label) {
    color: #333 !important;
  }

  details:not([open]) > *:not(summary) {
    display: block !important;
  }

  a { color: #111 !important; text-decoration: underline; }
}