/* ---------- System ---------- */
:root {
  --bg: #0a0c0b;
  --surface: #111411;
  --surface-2: #171b17;
  --ink: #f2f0e8;
  --ink-soft: #a7ada5;
  --ink-faint: #8e958d;
  --signal: #b7ff3c;
  --signal-deep: #81c51b;
  --blue: #7aa7ff;
  --risk: #ff7868;
  --rule: rgba(242, 240, 232, 0.16);
  --rule-strong: rgba(242, 240, 232, 0.34);
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Menlo, monospace;
  --gutter: clamp(1.25rem, 4vw, 4.5rem);
  --max: 1540px;
  --header-height: 74px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

a {
  color: inherit;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  color: var(--bg);
  background: var(--signal);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-180%);
}

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

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

.noise {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

.eyebrow,
.micro-label {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  padding: 0.8rem 1rem;
  border: 1px solid transparent;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--bg);
  background: var(--signal);
}

.button-primary:hover {
  background: var(--ink);
}

.button-secondary {
  border-color: var(--rule-strong);
  background: rgba(242, 240, 232, 0.04);
}

.button-secondary:hover {
  color: var(--bg);
  border-color: var(--signal);
  background: var(--signal);
}

.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-underline-offset: 0.35rem;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.text-link:hover {
  color: var(--signal);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  height: var(--header-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 var(--gutter);
  border-bottom: 1px solid transparent;
  background: linear-gradient(to bottom, rgba(10, 12, 11, 0.94), rgba(10, 12, 11, 0.72));
  backdrop-filter: blur(14px);
  transition: border-color 180ms ease;
}

.site-header.scrolled {
  border-bottom-color: var(--rule);
}

.brand {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rule-strong);
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: -0.06em;
}

.brand-name,
.header-contact,
.header-projects,
.site-nav a {
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: clamp(1.1rem, 2.5vw, 2.8rem);
}

.site-nav a,
.header-contact,
.header-projects {
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 180ms ease;
}

.site-nav a:hover,
.header-contact:hover,
.header-projects:hover {
  color: var(--signal);
}

.header-projects {
  display: none;
}

.header-contact {
  justify-self: end;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-height) + 3.5rem) var(--gutter) 2rem;
  border-bottom: 1px solid var(--rule);
  position: relative;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: calc((100vw - (2 * var(--gutter))) / 12) 100%, calc((100vw - (2 * var(--gutter))) / 12) 100%;
  opacity: 0.18;
  mask-image: linear-gradient(to bottom, transparent, black 22%, black 76%, transparent);
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: clamp(2rem, 4vw, 4rem);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(183, 255, 60, 0.1);
}

.hero-grid {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(340px, 5fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 7rem);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-copy > .eyebrow {
  color: var(--signal);
  margin-bottom: 1.35rem;
}

.hero h1 {
  max-width: 960px;
  margin: 0;
  font-size: clamp(3.6rem, 7.7vw, 8.9rem);
  font-weight: 540;
  letter-spacing: -0.072em;
  line-height: 0.82;
  text-wrap: balance;
}

.hero-line {
  display: block;
}

.hero-line-accent {
  color: transparent;
  -webkit-text-stroke: 1px var(--signal);
  text-shadow: 0 0 40px rgba(183, 255, 60, 0.09);
}

.hero-intro {
  max-width: 600px;
  margin: clamp(2rem, 4vw, 3.4rem) 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.5vw, 1.38rem);
  line-height: 1.5;
  text-wrap: balance;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.7rem;
  margin-top: 2rem;
}

.system-map {
  position: relative;
  width: min(100%, 620px);
  justify-self: end;
  opacity: 0.9;
}

.system-map svg {
  width: 100%;
  overflow: visible;
}

.map-orbit,
.map-path {
  fill: none;
  stroke: var(--rule-strong);
  vector-effect: non-scaling-stroke;
}

.map-orbit {
  stroke-dasharray: 2 8;
}

.orbit-b {
  opacity: 0.5;
}

.map-path {
  stroke: var(--blue);
  stroke-width: 1;
  stroke-dasharray: 6 8;
  opacity: 0.62;
}

.map-node rect {
  fill: var(--surface);
  stroke: var(--rule-strong);
}

.map-node text,
.map-core text {
  fill: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.map-core circle {
  fill: var(--signal);
  filter: url("#glow");
}

.map-core text {
  fill: var(--bg);
  font-size: 17px;
}

.map-core .map-core-small {
  font-size: 7px;
  letter-spacing: 0.14em;
}

.map-signal {
  fill: var(--signal);
  filter: url("#glow");
}

.map-caption {
  position: absolute;
  right: 3%;
  bottom: 4%;
  display: flex;
  gap: 1rem;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-proof {
  width: 100%;
  max-width: var(--max);
  margin: clamp(3rem, 6vw, 5.5rem) auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule);
}

.hero-proof span {
  padding: 0.85rem 0.8rem 0 0;
  border-right: 1px solid var(--rule);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-proof span + span {
  padding-left: 0.8rem;
}

.hero-proof span:last-child {
  border-right: 0;
}

/* ---------- Shared section headings ---------- */
.section-heading {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 3fr 6fr 3fr;
  gap: 2rem;
  align-items: end;
  padding: clamp(6rem, 11vw, 11rem) var(--gutter) clamp(5rem, 9vw, 9rem);
}

.section-heading h2,
.approach h2,
.about h2 {
  margin: 0;
  font-size: clamp(3rem, 6.4vw, 7.6rem);
  font-weight: 520;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.section-heading > p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* ---------- Projects ---------- */
.projects {
  scroll-margin-top: var(--header-height);
}

.project {
  min-height: 118vh;
  display: grid;
  grid-template-columns: minmax(300px, 4fr) minmax(560px, 8fr);
  gap: clamp(2.5rem, 6vw, 8rem);
  align-items: start;
  padding: clamp(5rem, 9vw, 9rem) var(--gutter);
  border-top: 1px solid var(--rule);
  scroll-margin-top: var(--header-height);
  position: relative;
}

.project > * {
  min-width: 0;
}

.project::before {
  content: attr(data-project);
  position: absolute;
  top: 0;
  right: var(--gutter);
  z-index: 0;
  color: rgba(242, 240, 232, 0.025);
  font-size: clamp(15rem, 29vw, 34rem);
  font-weight: 700;
  letter-spacing: -0.12em;
  line-height: 0.8;
  pointer-events: none;
}

.project-copy {
  position: sticky;
  top: calc(var(--header-height) + 3rem);
  z-index: 2;
  max-width: 560px;
}

.project-index {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--rule-strong);
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-index span:last-child {
  color: var(--ink-faint);
}

.project-copy h3 {
  margin: clamp(2rem, 3.5vw, 3.5rem) 0 1.5rem;
  font-size: clamp(2.8rem, 5.3vw, 6.6rem);
  font-weight: 520;
  letter-spacing: -0.065em;
  line-height: 0.9;
  text-wrap: balance;
}

.project-copy > p {
  max-width: 510px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.25vw, 1.18rem);
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.tech-list li,
.role-tags span {
  padding: 0.42rem 0.66rem;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.59rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.project-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-top: 2rem;
}

.project-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 650px;
  margin-top: clamp(2rem, 9vw, 10rem);
  border: 1px solid var(--rule-strong);
  background: var(--surface);
  box-shadow: 0 50px 120px rgba(0, 0, 0, 0.32);
}

.window-bar {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.window-id {
  color: var(--ink-soft);
}

.demo-label {
  color: var(--signal);
}

.warning-label {
  color: var(--risk);
}

.stage-hint {
  margin: 0;
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
}

/* ---------- Equity preview ---------- */
.equity-stage {
  align-self: start;
}

.research-shell {
  min-height: 565px;
  display: grid;
  grid-template-columns: 72px 1fr;
}

.research-sidebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 0;
  border-right: 1px solid var(--rule);
  background: #0c0f0d;
}

.sidebar-logo {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  color: var(--bg);
  background: var(--signal);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 900;
}

.sidebar-item {
  width: 26px;
  height: 3px;
  display: block;
  background: var(--rule-strong);
}

.sidebar-item.short {
  width: 16px;
}

.sidebar-item.active {
  background: var(--signal);
}

.research-main {
  padding: clamp(1.3rem, 3vw, 3rem);
}

.query-row {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 1rem;
  align-items: start;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}

.query-prefix {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: var(--bg);
  background: var(--blue);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 900;
}

.query-row p {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.05rem, 1.6vw, 1.38rem);
  font-weight: 600;
  line-height: 1.3;
}

.answer-block {
  padding: 1.6rem 0 0;
}

.answer-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.confidence {
  color: var(--blue);
}

.answer-block p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: clamp(0.92rem, 1.1vw, 1.08rem);
}

.citation-marker {
  min-width: 36px;
  min-height: 36px;
  display: none;
  margin: -0.4rem 0.05rem;
  padding: 0.35rem;
  border: 0;
  color: var(--signal);
  background: transparent;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  cursor: pointer;
  vertical-align: baseline;
}

.js-enabled .citation-marker {
  display: inline-block;
}

.citation-marker:hover,
.citation-marker[aria-expanded="true"] {
  color: var(--bg);
  background: var(--signal);
}

.citation-drawer {
  margin: 1.3rem 0;
  padding: 1rem;
  border: 1px solid rgba(183, 255, 60, 0.35);
  background: rgba(183, 255, 60, 0.045);
}

.citation-drawer > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.59rem;
  letter-spacing: 0.06em;
}

.citation-drawer strong {
  color: var(--signal);
  text-align: right;
}

.citation-drawer dl {
  display: grid;
  grid-template-columns: 2fr 0.7fr 0.7fr;
  gap: 0.5rem;
  margin: 1rem 0;
}

.citation-drawer dl div {
  padding-top: 0.6rem;
  border-top: 1px solid var(--rule);
}

.citation-drawer dt {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.citation-drawer dd {
  margin: 0.25rem 0 0;
  font-size: 0.72rem;
}

.citation-drawer blockquote {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.55;
}

.limitation {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
}

.limitation span {
  color: var(--risk);
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.limitation p {
  margin: 0;
  color: var(--ink-faint);
  font-size: 0.72rem;
}

/* ---------- Risk preview ---------- */
.project-risk {
  background: #0d100e;
}

.risk-controls {
  display: none;
  padding: 1.2rem clamp(1.2rem, 2.8vw, 2.4rem) 0;
}

.js-enabled .risk-controls {
  display: flex;
}

.segmented {
  min-height: 44px;
  padding: 0.65rem 1.15rem;
  border: 1px solid var(--rule-strong);
  color: var(--ink-soft);
  background: transparent;
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

.segmented + .segmented {
  margin-left: -1px;
}

.segmented:hover,
.segmented.active {
  color: var(--bg);
  background: var(--signal);
  border-color: var(--signal);
}

.risk-dashboard {
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.risk-score-wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.2rem, 3vw, 2.6rem);
  align-items: center;
  padding-bottom: 1.8rem;
  border-bottom: 1px solid var(--rule);
}

.risk-score-ring {
  --score: 68;
  width: 134px;
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: auto auto;
  place-content: center;
  align-items: end;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--surface) 62%, transparent 63%), conic-gradient(var(--signal) calc(var(--score) * 1%), var(--rule) 0);
}

.risk-score {
  font-size: 2.5rem;
  font-weight: 650;
  letter-spacing: -0.07em;
  line-height: 1;
}

.risk-score-ring > span:last-child {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.risk-score-wrap p {
  max-width: 360px;
  margin: 0.45rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.risk-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 1.6rem;
  border: 1px solid var(--rule);
}

.risk-metrics > div {
  min-width: 0;
  padding: 1rem;
  border-right: 1px solid var(--rule);
}

.risk-metrics > div:last-child {
  border-right: 0;
}

.risk-metrics span,
.exposure-head {
  display: block;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.risk-metrics strong {
  display: block;
  margin-top: 0.4rem;
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  font-weight: 600;
}

.exposure-block {
  margin-top: 1.6rem;
}

.exposure-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.exposure-bars {
  margin-top: 0.9rem;
}

.exposure-bars > div {
  display: grid;
  grid-template-columns: 155px 1fr 42px;
  gap: 0.8rem;
  align-items: center;
  margin-top: 0.65rem;
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.exposure-bars i {
  height: 5px;
  display: block;
  background: var(--rule);
  overflow: hidden;
}

.exposure-bars i::before {
  content: "";
  width: var(--value);
  height: 100%;
  display: block;
  background: var(--blue);
}

.exposure-bars b {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.65rem;
  text-align: right;
}

.risk-callout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.2rem;
  margin-top: 1.7rem;
  padding: 1rem;
  border-left: 2px solid var(--risk);
  background: rgba(255, 120, 104, 0.05);
}

.risk-callout span {
  color: var(--risk);
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.risk-callout p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

/* ---------- Regime preview ---------- */
.project-regime {
  background: linear-gradient(180deg, #0a0c0b, #0b1014);
}

.regime-stage {
  overflow: hidden;
  background: #0b1115;
}

.regime-stage::after {
  content: "";
  position: absolute;
  right: -20%;
  top: 10%;
  width: 60%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(122, 167, 255, 0.08);
  filter: blur(80px);
  pointer-events: none;
}

.regime-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
  padding: clamp(2rem, 4vw, 4rem) clamp(1.5rem, 3vw, 3rem);
  border-bottom: 1px solid var(--rule);
}

.regime-hero h4 {
  margin: 0.7rem 0 0;
  color: var(--blue);
  font-size: clamp(3rem, 6vw, 6.4rem);
  font-weight: 520;
  letter-spacing: -0.07em;
  line-height: 0.82;
}

.confidence-block {
  min-width: 140px;
  padding: 1rem;
  border: 1px solid var(--rule);
  font-family: var(--mono);
}

.confidence-block span {
  display: block;
  color: var(--ink-faint);
  font-size: 0.53rem;
  letter-spacing: 0.08em;
}

.confidence-block strong {
  display: block;
  margin-top: 0.45rem;
  color: var(--blue);
  font-size: 0.72rem;
}

.confidence-block i {
  height: 3px;
  display: block;
  margin-top: 1rem;
  background: linear-gradient(90deg, var(--blue) 67%, var(--rule) 67%);
}

.score-tracks {
  padding: 1.8rem clamp(1.5rem, 3vw, 3rem);
  border-bottom: 1px solid var(--rule);
}

.score-tracks > div {
  display: grid;
  grid-template-columns: 120px 1fr 34px;
  gap: 1rem;
  align-items: center;
  margin-top: 0.75rem;
  font-family: var(--mono);
  font-size: 0.64rem;
}

.score-tracks > div:first-child {
  margin-top: 0;
}

.score-tracks > div > span {
  color: var(--ink-soft);
}

.score-tracks i {
  height: 7px;
  background: var(--rule);
  overflow: hidden;
}

.score-tracks b {
  width: var(--value);
  height: 100%;
  display: block;
  background: var(--blue);
  transform-origin: left;
}

.score-tracks strong {
  color: var(--ink);
  text-align: right;
}

.signal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 1.8rem clamp(1.5rem, 3vw, 3rem);
}

.signal-column {
  padding-right: 1.5rem;
}

.signal-column + .signal-column {
  padding-right: 0;
  padding-left: 1.5rem;
  border-left: 1px solid var(--rule);
}

.signal-column > span {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.signal-column.positive > span {
  color: var(--signal);
}

.signal-column.negative > span {
  color: var(--risk);
}

.signal-column p {
  margin: 0.7rem 0 0;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.signal-column p::before {
  content: "+";
  margin-right: 0.55rem;
  color: var(--signal);
  font-family: var(--mono);
}

.signal-column.negative p::before {
  content: "−";
  color: var(--risk);
}

.provenance-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 0 clamp(1.5rem, 3vw, 3rem) 1.5rem;
  padding: 0.85rem;
  border: 1px solid var(--rule);
}

.provenance-row .status-dot {
  background: var(--risk);
  box-shadow: none;
}

.provenance-row p {
  margin: 0;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.56rem;
}

/* ---------- Terminal preview ---------- */
.project-labs {
  background: #0a0d0b;
}

.terminal-stage {
  min-height: 590px;
  min-width: 0;
  overflow: hidden;
  background: #080a09;
  box-shadow: 0 50px 120px rgba(0, 0, 0, 0.6), inset 0 0 80px rgba(183, 255, 60, 0.025);
}

.terminal-top {
  min-height: 46px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 1rem;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.56rem;
}

.terminal-top > span:last-child {
  justify-self: end;
}

.terminal-dots {
  display: flex;
  gap: 0.35rem;
}

.terminal-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rule-strong);
}

.terminal-tabs {
  display: none;
  overflow-x: auto;
  border-bottom: 1px solid var(--rule);
  scrollbar-width: none;
}

.js-enabled .terminal-tabs {
  display: flex;
}

.terminal-tabs button {
  min-height: 46px;
  flex: 1 0 auto;
  padding: 0.7rem 1rem;
  border: 0;
  border-right: 1px solid var(--rule);
  color: var(--ink-faint);
  background: transparent;
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
}

.terminal-tabs button:hover,
.terminal-tabs button[aria-selected="true"] {
  color: var(--signal);
  background: rgba(183, 255, 60, 0.05);
}

.terminal-output {
  min-height: 495px;
  max-width: 100%;
  padding: clamp(1.3rem, 3vw, 2.6rem);
  overflow-x: auto;
}

.terminal-command {
  margin: 0 0 2rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: clamp(0.65rem, 1vw, 0.82rem);
  white-space: nowrap;
}

.terminal-command span {
  color: var(--signal);
}

.terminal-output pre {
  margin: 0;
  color: #c9d4c6;
  font-family: var(--mono);
  font-size: clamp(0.7rem, 1.1vw, 0.88rem);
  line-height: 1.72;
}

.terminal-output b,
.term-heading {
  color: var(--ink);
  font-weight: 700;
}

.terminal-output em {
  color: var(--risk);
  font-style: normal;
}

.term-heading {
  font-size: 1.15em;
}

.term-muted {
  color: var(--ink-faint);
}

.term-success {
  color: var(--signal);
}

/* ---------- Other work ---------- */
.other-work {
  border-top: 1px solid var(--rule);
}

.section-heading.compact {
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.work-index {
  padding: 0 var(--gutter) clamp(7rem, 12vw, 12rem);
}

.work-row {
  min-height: 118px;
  display: grid;
  grid-template-columns: 0.5fr 2fr 3fr 1fr auto;
  gap: 1.5rem;
  align-items: center;
  border-top: 1px solid var(--rule);
  text-decoration: none;
  transition: background-color 180ms ease, padding 180ms ease;
}

.work-row:last-child {
  border-bottom: 1px solid var(--rule);
}

.work-row:hover {
  padding: 0 1rem;
  background: rgba(183, 255, 60, 0.045);
}

.work-number,
.work-status {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.work-name {
  font-size: clamp(1.15rem, 2vw, 1.75rem);
  font-weight: 580;
  letter-spacing: -0.03em;
}

.work-description {
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.work-status i {
  width: 6px;
  height: 6px;
  display: inline-block;
  margin-right: 0.4rem;
  border-radius: 50%;
  background: var(--signal);
}

.work-arrow {
  color: var(--signal);
  font-size: 1.2rem;
}

/* ---------- Approach ---------- */
.approach {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(3rem, 8vw, 10rem);
  padding: clamp(7rem, 12vw, 13rem) var(--gutter);
  border-top: 1px solid var(--rule);
  background: var(--signal);
  color: var(--bg);
  scroll-margin-top: var(--header-height);
}

.approach .eyebrow {
  color: rgba(10, 12, 11, 0.63);
}

.approach h2 {
  margin-top: 2rem;
}

.approach-intro > p:last-child {
  max-width: 520px;
  margin: 2rem 0 0;
  color: rgba(10, 12, 11, 0.7);
  font-size: 1.04rem;
}

.principles {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(10, 12, 11, 0.3);
}

.principles li {
  display: grid;
  grid-template-columns: 0.9fr 2fr 1.6fr;
  gap: 1.4rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(10, 12, 11, 0.3);
}

.principles span {
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.07em;
}

.principles h3,
.principles p {
  margin: 0;
}

.principles h3 {
  font-size: clamp(1.25rem, 2vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.principles p {
  color: rgba(10, 12, 11, 0.68);
  font-size: 0.82rem;
}

/* ---------- About ---------- */
.about {
  min-height: 90vh;
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: clamp(3rem, 8vw, 10rem);
  align-items: center;
  padding: clamp(7rem, 12vw, 13rem) var(--gutter);
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: var(--header-height);
}

.about-marker {
  width: min(100%, 460px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  position: relative;
  border: 1px solid var(--rule);
  background: radial-gradient(circle at 40% 35%, rgba(122, 167, 255, 0.2), transparent 38%), radial-gradient(circle at 65% 65%, rgba(183, 255, 60, 0.13), transparent 42%), var(--surface);
  overflow: hidden;
}

.about-marker::before,
.about-marker::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px dashed var(--rule-strong);
  border-radius: 50%;
}

.about-marker::after {
  inset: 28%;
  border-style: solid;
}

.about-marker span {
  position: relative;
  z-index: 2;
  color: var(--signal);
  font-family: var(--mono);
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 800;
  letter-spacing: -0.13em;
  transform: translateX(-0.05em);
}

.about-copy {
  max-width: 850px;
}

.about h2 {
  margin-top: 2rem;
}

.about-copy > p:not(.eyebrow) {
  max-width: 690px;
  margin: 2rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
}

.role-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

.contact-block {
  margin-top: clamp(3.5rem, 7vw, 6rem);
  padding-top: 1rem;
  border-top: 1px solid var(--rule-strong);
}

.contact-block p {
  margin: 0;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-block a {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem 0;
  color: var(--signal);
  font-size: clamp(1.2rem, 3vw, 2.8rem);
  font-weight: 550;
  letter-spacing: -0.04em;
  text-decoration: none;
  transition: color 180ms ease;
}

.contact-block a:hover {
  color: var(--ink);
}

/* ---------- Footer ---------- */
.site-footer {
  min-height: 230px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: end;
  padding: 4rem var(--gutter) 2rem;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer > div {
  display: flex;
  gap: 1rem;
}

.site-footer > div:nth-child(2) {
  justify-self: center;
}

.site-footer > div:last-child {
  justify-self: end;
}

.site-footer a {
  color: var(--ink-soft);
  text-underline-offset: 0.3rem;
}

.site-footer a:hover {
  color: var(--signal);
}

.footer-brand {
  color: var(--ink);
}

.section-indicator {
  position: fixed;
  right: 1.25rem;
  top: 50%;
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 0.55rem;
  mix-blend-mode: difference;
  transform: translateY(-50%);
}

.section-indicator i {
  width: 1px;
  height: 60px;
  display: block;
  background: currentColor;
}

/* ---------- Motion ---------- */
.reveal {
  opacity: 1;
  transform: none;
}

.motion-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(0.2, 0.75, 0.2, 1), transform 700ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

.motion-ready .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.hero-line:nth-child(2) {
  transition-delay: 80ms;
}

.hero-line:nth-child(3) {
  transition-delay: 160ms;
}

.map-signal {
  animation: signal-pulse 2.4s ease-in-out infinite;
}

.signal-b {
  animation-delay: 0.8s;
}

.signal-c {
  animation-delay: 1.6s;
}

.map-path {
  animation: path-flow 18s linear infinite;
}

.orbit-a {
  transform-origin: center;
  animation: orbit-turn 60s linear infinite;
}

.score-tracks b,
.exposure-bars i::before {
  transition: transform 700ms cubic-bezier(0.2, 0.75, 0.2, 1), width 450ms ease;
}

.motion-ready .regime-stage:not(.is-visible) .score-tracks b,
.motion-ready .risk-stage:not(.is-visible) .exposure-bars i::before {
  transform: scaleX(0);
}

@keyframes signal-pulse {
  50% { opacity: 0.35; transform: scale(1.8); }
}

@keyframes path-flow {
  to { stroke-dashoffset: -140; }
}

@keyframes orbit-turn {
  to { transform: rotate(360deg); }
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(300px, 5fr);
    gap: 2rem;
  }

  .hero h1 {
    font-size: clamp(3.4rem, 8vw, 7rem);
  }

  .project {
    grid-template-columns: minmax(280px, 4fr) minmax(460px, 7fr);
    gap: 3rem;
  }

  .risk-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .risk-metrics > div:nth-child(2) {
    border-right: 0;
  }

  .risk-metrics > div:nth-child(n + 3) {
    border-top: 1px solid var(--rule);
  }

  .principles li {
    grid-template-columns: 0.75fr 1.5fr 1.2fr;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 66px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav,
  .header-contact {
    display: none;
  }

  .header-projects {
    min-height: 44px;
    display: inline-flex;
    justify-self: end;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 5rem);
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(3.5rem, 13.5vw, 7.3rem);
  }

  .system-map {
    width: min(75vw, 580px);
    margin-top: -3rem;
    justify-self: end;
    opacity: 0.65;
  }

  .hero-proof {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-proof span:nth-child(2) {
    border-right: 0;
  }

  .hero-proof span:nth-child(n + 3) {
    padding-top: 0.8rem;
  }

  .section-heading {
    grid-template-columns: 1fr 2fr;
  }

  .section-heading > p:last-child {
    grid-column: 2;
  }

  .project {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
    gap: 3rem;
  }

  .project-copy {
    position: static;
    max-width: 760px;
  }

  .project-copy h3 {
    max-width: 720px;
  }

  .project-stage {
    max-width: 820px;
    min-height: 0;
    margin: 0 auto;
  }

  .work-row {
    grid-template-columns: 0.4fr 2fr 0.8fr auto;
    padding: 1.4rem 0;
  }

  .work-description {
    grid-column: 2 / 4;
    grid-row: 2;
  }

  .approach {
    grid-template-columns: 1fr;
  }

  .about {
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
  }

  .about-marker {
    align-self: start;
  }

  .section-indicator {
    display: none;
  }
}

@media (max-width: 680px) {
  .brand-name {
    display: none;
  }

  .header-projects {
    font-size: 0.68rem;
  }

  .hero-status {
    margin-bottom: 3rem;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 11vw, 4.8rem);
    line-height: 0.88;
  }

  .hero-intro {
    font-size: 1rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 0.6rem;
  }

  .hero-actions .button {
    width: 100%;
  }

  .system-map {
    width: 100%;
    margin-top: 0;
  }

  .hero-proof {
    grid-template-columns: 1fr;
  }

  .hero-proof span,
  .hero-proof span + span,
  .hero-proof span:nth-child(n + 3) {
    padding: 0.65rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .section-heading > p:last-child {
    grid-column: auto;
    max-width: 420px;
  }

  .section-heading h2,
  .approach h2,
  .about h2 {
    font-size: clamp(2.7rem, 14vw, 4.8rem);
  }

  .project {
    padding-top: 5rem;
    padding-bottom: 6rem;
  }

  .project::before {
    font-size: 48vw;
  }

  .project-copy h3 {
    font-size: clamp(2.65rem, 13vw, 4.5rem);
  }

  .project-links {
    align-items: stretch;
    flex-direction: column;
    gap: 0.5rem;
  }

  .project-links .button {
    width: 100%;
  }

  .window-bar {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.2rem;
  }

  .research-shell {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .research-sidebar {
    display: none;
  }

  .citation-drawer dl {
    grid-template-columns: 1fr 0.5fr 0.5fr;
  }

  .risk-score-wrap {
    grid-template-columns: 1fr;
  }

  .risk-score-ring {
    width: 115px;
  }

  .risk-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .risk-metrics > div {
    padding: 0.8rem;
  }

  .exposure-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .exposure-bars > div {
    grid-template-columns: 110px 1fr 38px;
    gap: 0.5rem;
  }

  .risk-callout {
    grid-template-columns: 1fr;
  }

  .regime-hero {
    grid-template-columns: 1fr;
  }

  .regime-hero h4 {
    font-size: clamp(3rem, 16vw, 5rem);
  }

  .score-tracks > div {
    grid-template-columns: 92px 1fr 28px;
  }

  .signal-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .signal-column + .signal-column {
    padding: 1.5rem 0 0;
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  .terminal-top {
    grid-template-columns: 1fr auto;
  }

  .terminal-top > span:nth-child(2) {
    display: none;
  }

  .terminal-output {
    min-height: 440px;
  }

  .terminal-output pre {
    min-width: 440px;
  }

  .work-row {
    min-height: 0;
    grid-template-columns: auto 1fr auto;
    gap: 0.8rem 1rem;
    padding: 1.4rem 0;
  }

  .work-number {
    grid-row: 1;
  }

  .work-name {
    grid-row: 1;
  }

  .work-arrow {
    grid-column: 3;
    grid-row: 1;
  }

  .work-description {
    grid-column: 2 / 4;
    grid-row: 2;
  }

  .work-status {
    grid-column: 2 / 4;
    grid-row: 3;
  }

  .principles li {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .about {
    grid-template-columns: 1fr;
  }

  .about-marker {
    width: min(78vw, 360px);
  }

  .contact-block a {
    word-break: break-word;
  }

  .site-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .site-footer > div,
  .site-footer > div:nth-child(2),
  .site-footer > div:last-child {
    justify-self: start;
    flex-wrap: wrap;
  }
}

@media (max-width: 380px) {
  .hero h1 {
    font-size: 2.55rem;
  }

  .risk-metrics {
    grid-template-columns: 1fr;
  }

  .risk-metrics > div,
  .risk-metrics > div:nth-child(2) {
    border-right: 0;
    border-top: 1px solid var(--rule);
  }

  .risk-metrics > div:first-child {
    border-top: 0;
  }

  .citation-drawer dl {
    grid-template-columns: 1fr;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .score-tracks b,
  .exposure-bars i::before {
    transform: none !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --ink-soft: #d3d6cf;
    --ink-faint: #afb5ac;
    --rule: rgba(242, 240, 232, 0.34);
    --rule-strong: rgba(242, 240, 232, 0.7);
  }

  .button-secondary,
  .tech-list li,
  .role-tags span {
    border-color: var(--ink);
  }
}