:root {
  color-scheme: dark;
  --bg: #070a10;
  --bg-deep: #04060a;
  --panel: rgba(14, 20, 30, 0.78);
  --panel-solid: #0e141e;
  --line: rgba(148, 163, 184, 0.17);
  --line-strong: rgba(52, 211, 235, 0.32);
  --text: #e5edf6;
  --muted: #8d9aac;
  --cyan: #35d3eb;
  --cyan-soft: rgba(53, 211, 235, 0.12);
  --amber: #f7b955;
  --amber-soft: rgba(247, 185, 85, 0.12);
  --green: #70e1a1;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1220px;
  --radius: 16px;
  --pointer-x: 50vw;
  --pointer-y: 34vh;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(7, 10, 16, 0.93), rgba(7, 10, 16, 0.98)),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(148, 163, 184, 0.045) 80px),
    repeating-linear-gradient(0deg, transparent 0 79px, rgba(148, 163, 184, 0.045) 80px),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: radial-gradient(circle at 48% -20%, rgba(53, 211, 235, 0.12), transparent 38%);
  content: "";
  pointer-events: none;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: radial-gradient(520px circle at var(--pointer-x) var(--pointer-y), rgba(53, 211, 235, 0.055), transparent 64%);
  content: "";
  pointer-events: none;
}

.topology-canvas,
.noise-layer {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.topology-canvas {
  z-index: 0;
  opacity: 0.72;
}

.noise-layer {
  z-index: 1;
  opacity: 0.18;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.13) 0 0.5px, transparent 0.75px),
    radial-gradient(circle at 80% 65%, rgba(53, 211, 235, 0.1) 0 0.5px, transparent 0.75px);
  background-position: 0 0, 7px 11px;
  background-size: 13px 13px, 17px 17px;
  mix-blend-mode: soft-light;
}

.scroll-progress-track {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  height: 2px;
  background: rgba(148, 163, 184, 0.05);
  pointer-events: none;
}

#scroll-progress {
  display: block;
  width: calc(var(--scroll-progress, 0) * 100%);
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  box-shadow: 0 0 18px rgba(53, 211, 235, 0.72);
  transition: width 80ms linear;
}

a {
  color: inherit;
}

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

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

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: 8px;
  background: var(--amber);
  color: #17110a;
  font-family: var(--mono);
  font-weight: 700;
  transition: transform 160ms ease;
}

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

.ambient {
  position: fixed;
  z-index: 0;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.1;
  pointer-events: none;
  animation: ambient-drift 18s ease-in-out infinite alternate;
}

.ambient-one {
  top: 18%;
  right: -180px;
  background: var(--cyan);
}

.ambient-two {
  bottom: 6%;
  left: -210px;
  background: var(--amber);
  animation-delay: -9s;
  animation-duration: 22s;
}

@keyframes ambient-drift {
  0% { transform: translate3d(-2%, -3%, 0) scale(0.92); opacity: 0.07; }
  100% { transform: translate3d(5%, 6%, 0) scale(1.12); opacity: 0.13; }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(calc(100% - 36px), var(--max));
  margin: 18px auto 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(7, 10, 16, 0.72);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  transition: background 240ms ease, border-color 240ms ease, box-shadow 240ms ease, transform 240ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(53, 211, 235, 0.22);
  background: rgba(5, 8, 13, 0.88);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(53, 211, 235, 0.03);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 11px;
  text-decoration: none;
}

.brand-mark,
.footer-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  line-height: 1.1;
}

.brand-copy strong {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.site-header nav {
  display: flex;
  gap: 4px;
}

.site-header nav a,
.header-contact {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.site-header nav a:hover,
.header-contact:hover {
  background: rgba(148, 163, 184, 0.08);
  color: var(--text);
}

.site-header nav a[aria-current="location"] {
  background: var(--cyan-soft);
  color: var(--cyan);
}

.site-header nav a[aria-current="location"]::before {
  color: var(--amber);
  content: "[";
  margin-right: 2px;
}

.site-header nav a[aria-current="location"]::after {
  color: var(--amber);
  content: "]";
  margin-left: 2px;
}

.header-contact {
  justify-self: end;
  border: 1px solid var(--line);
  color: var(--cyan);
}

main,
footer {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 36px), var(--max));
  margin-inline: auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
  min-height: 740px;
  padding: 92px 0 70px;
}

.hero::before {
  position: absolute;
  top: 11%;
  left: -7%;
  z-index: -1;
  width: 56%;
  aspect-ratio: 1;
  border: 1px solid rgba(53, 211, 235, 0.055);
  border-radius: 50%;
  box-shadow: 0 0 0 54px rgba(53, 211, 235, 0.018), 0 0 0 108px rgba(53, 211, 235, 0.012);
  content: "";
  pointer-events: none;
}

.eyebrow,
.section-index {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-index::after {
  width: min(120px, 14vw);
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
  content: "";
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(112, 225, 161, 0.09), 0 0 20px rgba(112, 225, 161, 0.45);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  50% { opacity: 0.48; transform: scale(0.85); }
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3rem, 6vw, 6.1rem);
  font-weight: 720;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.hero-accent {
  background: linear-gradient(105deg, #f0f6fb 8%, var(--cyan) 44%, #89ebf6 58%, var(--amber) 92%);
  background-clip: text;
  -webkit-background-clip: text;
  background-size: 180% 100%;
  color: transparent;
  animation: accent-shift 8s ease-in-out infinite alternate;
}

@keyframes accent-shift {
  from { background-position: 0% 50%; }
  to { background-position: 100% 50%; }
}

.hero-lede {
  max-width: 670px;
  margin: 30px 0 0;
  color: #aab6c5;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button-primary::after {
  position: absolute;
  top: -50%;
  bottom: -50%;
  left: -55%;
  width: 34%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.34), transparent);
  content: "";
  transform: skewX(-18deg);
  transition: left 520ms var(--ease-out);
}

.button-primary:hover::after {
  left: 120%;
}

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

.button-primary {
  background: var(--cyan);
  box-shadow: 0 12px 32px rgba(53, 211, 235, 0.12);
  color: #031014;
}

.button-primary:hover {
  background: #70e4f5;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(148, 163, 184, 0.04);
  color: var(--text);
}

.button-secondary:hover {
  border-color: var(--line-strong);
  background: var(--cyan-soft);
}

.hero-facts {
  display: grid;
  gap: 10px;
  margin: 38px 0 0;
  padding: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  list-style: none;
}

.hero-facts span {
  margin-right: 12px;
  color: var(--amber);
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-top: 34px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.scroll-cue > span {
  position: relative;
  display: block;
  width: 38px;
  height: 1px;
  overflow: hidden;
  background: var(--line);
}

.scroll-cue > span::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  content: "";
  animation: trace-line 2.4s ease-in-out infinite;
}

@keyframes trace-line {
  from { transform: translateX(-110%); }
  to { transform: translateX(110%); }
}

.hero-console {
  position: relative;
  overflow: hidden;
  min-height: 480px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(18, 28, 40, 0.92), rgba(7, 10, 16, 0.96));
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.34), inset 0 0 60px rgba(53, 211, 235, 0.03);
}

.hero-console::after {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255, 255, 255, 0.015) 4px);
  content: "";
  pointer-events: none;
}

.console-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 44px;
  padding: 0 15px;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.18);
}

.console-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #435064;
}

.console-bar span:first-child { background: #ff806c; }
.console-bar span:nth-child(2) { background: var(--amber); }
.console-bar span:nth-child(3) { background: var(--green); }

.console-bar p {
  margin: 0 0 0 8px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.console-body {
  padding: 27px 28px;
  font-family: var(--mono);
  font-size: 0.75rem;
}

.console-body > p:first-child {
  margin: 0 0 23px;
  color: var(--text);
}

.console-prefix {
  margin-right: 8px;
  color: var(--cyan);
}

.console-body dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.console-body dl div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
}

.console-body dt { color: var(--amber); }
.console-body dd { margin: 0; color: #aebaca; }
.console-ok { margin: 20px 0 0; color: var(--green); }

.console-cursor {
  display: inline-block;
  width: 6px;
  height: 1em;
  margin-left: 6px;
  vertical-align: -0.16em;
  background: var(--green);
  animation: cursor-blink 1.05s steps(1, end) infinite;
}

@keyframes cursor-blink {
  50% { opacity: 0; }
}

.console-sweep {
  position: absolute;
  top: -24%;
  right: 0;
  left: 0;
  z-index: 1;
  height: 24%;
  background: linear-gradient(180deg, transparent, rgba(53, 211, 235, 0.045), transparent);
  pointer-events: none;
  animation: console-sweep 7s linear infinite;
}

@keyframes console-sweep {
  to { transform: translateY(610%); }
}

.boundary-diagram {
  position: absolute;
  right: 28px;
  bottom: 28px;
  left: 28px;
  height: 112px;
  border-top: 1px solid var(--line);
}

.diagram-node {
  position: absolute;
  top: 48px;
  display: grid;
  width: 62px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #0b121c;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.node-source { left: 0; }
.node-policy { left: 31%; color: var(--amber); border-color: rgba(247, 185, 85, 0.4); }
.node-state { left: 62%; }
.node-proof { right: 0; color: var(--green); border-color: rgba(112, 225, 161, 0.4); }

.diagram-line {
  position: absolute;
  top: 63px;
  height: 1px;
  background: var(--line-strong);
}

.line-one { left: 62px; width: calc(31% - 62px); }
.line-two { left: calc(31% + 62px); width: calc(31% - 62px); }
.line-three { left: calc(62% + 62px); right: 62px; }

.telemetry-rail {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  min-height: 52px;
  margin-bottom: 38px;
  padding: 0 18px;
  overflow: hidden;
  border: 1px solid rgba(53, 211, 235, 0.15);
  border-radius: 10px;
  background: rgba(7, 10, 16, 0.58);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  backdrop-filter: blur(12px);
}

.telemetry-rail::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(53, 211, 235, 0.055), transparent);
  content: "";
  transform: translateX(-100%);
  animation: rail-scan 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes rail-scan {
  45%, 100% { transform: translateX(100%); }
}

.telemetry-rail p {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: var(--cyan);
  font-weight: 700;
}

.telemetry-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(112, 225, 161, 0.7);
  animation: pulse 2.4s ease-in-out infinite;
}

.telemetry-flow {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: 9px;
  white-space: nowrap;
}

.telemetry-flow i {
  position: relative;
  display: block;
  width: clamp(10px, 3vw, 38px);
  height: 1px;
  overflow: hidden;
  background: var(--line);
}

.telemetry-flow i::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--cyan));
  content: "";
  animation: trace-line 2.8s linear infinite;
}

.telemetry-flow i:nth-of-type(2)::after { animation-delay: -0.8s; }
.telemetry-flow i:nth-of-type(3)::after { animation-delay: -1.6s; }
.telemetry-rail > strong { color: var(--amber); font-size: 0.57rem; }

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 120px;
  border-block: 1px solid var(--line);
}

.signal-strip div {
  display: grid;
  gap: 4px;
  min-height: 112px;
  align-content: center;
  padding: 20px 26px;
  border-right: 1px solid var(--line);
  transition: background 220ms ease;
}

.signal-strip div:hover {
  background: linear-gradient(180deg, rgba(53, 211, 235, 0.045), transparent);
}

.signal-strip div:last-child { border-right: 0; }
.signal-strip strong { color: var(--cyan); font-family: var(--mono); font-size: 1.45rem; }
.signal-strip span { color: var(--muted); font-size: 0.76rem; }

.section {
  padding: 110px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 1.1fr);
  column-gap: clamp(30px, 7vw, 100px);
  align-items: end;
  margin-bottom: 54px;
}

.section-heading .section-index {
  grid-column: 1 / -1;
}

.section-heading h2,
.identity-copy h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.5vw, 4.4rem);
  letter-spacing: -0.05em;
  line-height: 1.04;
}

.section-heading > p:last-child {
  max-width: 530px;
  margin: 0;
  color: var(--muted);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.research-card,
.project-card,
.identity-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(17, 24, 36, 0.8), rgba(9, 13, 20, 0.88));
}

[data-depth-card] {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  --glow-x: 50%;
  --glow-y: 50%;
  --card-lift: 0px;
  isolation: isolate;
  transform: perspective(1100px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(var(--card-lift));
  transform-style: preserve-3d;
  transition: transform 220ms var(--ease-out), border-color 220ms ease, box-shadow 220ms ease;
  will-change: transform;
}

[data-depth-card]::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--glow-x) var(--glow-y), rgba(53, 211, 235, 0.11), transparent 48%);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

[data-depth-card]:hover {
  --card-lift: -4px;
  border-color: var(--line-strong);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.22);
}

[data-depth-card]:hover::before {
  opacity: 1;
}

.research-card {
  min-height: 390px;
  padding: 25px;
}

.research-card::after,
.project-card::after {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: var(--cyan);
  content: "";
  filter: blur(80px);
  opacity: 0.04;
  transition: opacity 180ms ease;
}

.research-card:hover::after,
.project-card:hover::after { opacity: 0.12; }

.card-number,
.project-code {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
}

.card-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin: 42px 0 24px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-family: var(--mono);
  font-weight: 700;
}

.research-card h3,
.project-card h3 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.research-card p,
.project-card p {
  color: var(--muted);
  font-size: 0.84rem;
}

.research-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.research-card li,
.project-tags span {
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: #9eabbb;
  font-family: var(--mono);
  font-size: 0.58rem;
}

.upstream-section {
  border-top: 1px solid var(--line);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 24px;
}

.filter-button {
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(148, 163, 184, 0.03);
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.68rem;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.filter-button:hover,
.filter-button.active {
  border-color: var(--line-strong);
  background: var(--cyan-soft);
  color: var(--cyan);
}

.result-count {
  margin: 0 0 0 auto;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.result-count span { color: var(--amber); }

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.project-card {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  padding: 23px;
  transition: opacity 220ms ease, transform 220ms var(--ease-out), border-color 220ms ease, box-shadow 220ms ease;
}

.project-card[hidden] {
  display: none;
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 45px;
}

.project-status {
  padding: 4px 7px;
  border: 1px solid;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-status.merged {
  border-color: rgba(112, 225, 161, 0.34);
  background: rgba(112, 225, 161, 0.08);
  color: var(--green);
}

.project-status.review {
  border-color: rgba(247, 185, 85, 0.34);
  background: var(--amber-soft);
  color: var(--amber);
}

.project-status.review::before {
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-right: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 9px currentColor;
  content: "";
  vertical-align: 0.08em;
  animation: pulse 2.4s ease-in-out infinite;
}

.project-card > p {
  flex: 1;
  margin: 13px 0 20px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}

.project-card > a {
  position: relative;
  z-index: 2;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-decoration: none;
}

.project-card > a:hover { text-decoration: underline; text-underline-offset: 4px; }

.labs-section {
  border-top: 1px solid var(--line);
}

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

.lab-row {
  display: grid;
  grid-template-columns: 80px 1fr 160px 30px;
  gap: 18px;
  align-items: center;
  min-height: 116px;
  padding: 20px 10px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: padding 180ms ease, background 180ms ease;
}

.lab-row:hover {
  padding-inline: 18px;
  background: linear-gradient(90deg, var(--cyan-soft), transparent 65%);
}

.lab-index,
.lab-stack {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.lab-main {
  display: grid;
}

.lab-main strong { font-size: 1rem; }
.lab-main small { margin-top: 4px; color: var(--muted); font-size: 0.76rem; }
.lab-arrow { color: var(--cyan); font-family: var(--mono); }
.lab-row .lab-arrow { transition: transform 180ms var(--ease-out); }
.lab-row:hover .lab-arrow { transform: translateX(5px); }

.identity-section {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: clamp(40px, 8vw, 120px);
  align-items: center;
  border-top: 1px solid var(--line);
}

.identity-copy > p:not(.section-index) {
  max-width: 620px;
  color: var(--muted);
}

.identity-card {
  padding: 27px;
  border-color: rgba(247, 185, 85, 0.25);
  box-shadow: inset 0 0 60px rgba(247, 185, 85, 0.025);
}

.identity-card-head {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 32px;
}

.identity-card-head p {
  margin: 0;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
}

.key-shape {
  width: 12px;
  height: 12px;
  border: 2px solid var(--amber);
  border-radius: 50%;
  box-shadow: 9px 0 0 -4px var(--amber), 14px 0 0 -4px var(--amber);
}

.identity-card > strong {
  color: var(--text);
  font-family: var(--mono);
  font-size: 1.05rem;
}

.identity-card > p {
  margin: 13px 0 28px;
  color: var(--muted);
  font-size: 0.8rem;
}

.identity-line {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.identity-line span { color: var(--muted); }
.identity-line a { overflow-wrap: anywhere; color: var(--cyan); text-decoration: none; }
.identity-line b { color: var(--text); font-weight: 600; }

.contact-section {
  position: relative;
  overflow: hidden;
  margin: 80px 0 120px;
  padding: clamp(48px, 8vw, 94px);
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(53, 211, 235, 0.09), rgba(7, 10, 16, 0.9) 54%, rgba(247, 185, 85, 0.07));
}

.not-found-section {
  margin-top: 12vh;
}

.contact-section::after {
  position: absolute;
  right: -80px;
  bottom: -160px;
  width: 380px;
  height: 380px;
  border: 1px solid rgba(53, 211, 235, 0.1);
  border-radius: 50%;
  box-shadow: 0 0 0 45px rgba(53, 211, 235, 0.025), 0 0 0 90px rgba(53, 211, 235, 0.018);
  content: "";
}

.contact-section > * { position: relative; z-index: 2; }
.contact-section > p:not(.section-index) { max-width: 620px; margin: 24px 0 32px; color: var(--muted); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 28px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
}

footer p { display: flex; align-items: center; gap: 12px; margin: 0; }
.footer-mark { width: 30px; height: 30px; border-radius: 7px; font-size: 0.58rem; }

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

.motion-ready[data-motion-mode="full"] .reveal:not(.visible) {
  opacity: 0;
  filter: blur(7px);
  transform: translateY(26px) scale(0.992);
}

.motion-ready[data-motion-mode="ambient"] .reveal:not(.visible) {
  opacity: 0;
  transform: translateY(12px);
}

.motion-ready .reveal {
  transition:
    opacity 680ms var(--ease-out) var(--reveal-delay, 0ms),
    transform 680ms var(--ease-out) var(--reveal-delay, 0ms),
    filter 680ms var(--ease-out) var(--reveal-delay, 0ms);
}

.motion-ready .reveal.visible {
  opacity: 1;
  filter: none;
  transform: translateY(0);
}

[data-motion-mode="ambient"] [data-depth-card],
[data-motion-mode="static"] [data-depth-card] {
  transform: none;
  will-change: auto;
}

[data-motion-mode="ambient"] .topology-canvas {
  opacity: 0.42;
}

[data-motion-mode="static"] .topology-canvas {
  opacity: 0.26;
}

@media (max-width: 1050px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 100px; }
  .hero-copy { max-width: 850px; }
  .hero-console { width: min(100%, 680px); }
  .research-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .telemetry-flow span { font-size: 0; }
  .telemetry-flow span::after { color: var(--muted); font-size: 0.58rem; }
  .telemetry-flow span:first-of-type::after { content: "boundary"; }
  .telemetry-flow span:nth-of-type(2)::after { content: "identity"; }
  .telemetry-flow span:nth-of-type(3)::after { content: "state"; }
  .telemetry-flow span:nth-of-type(4)::after { content: "evidence"; }
}

@media (max-width: 760px) {
  .site-header { width: min(calc(100% - 22px), var(--max)); margin-top: 11px; }
  .brand-copy { display: none; }
  .header-contact { font-size: 0.66rem; }
  main, footer { width: min(calc(100% - 24px), var(--max)); }
  .hero { min-height: auto; gap: 54px; padding: 80px 0; }
  .hero::before { top: 4%; left: -28%; width: 94%; opacity: 0.6; }
  h1 { font-size: clamp(2.75rem, 14vw, 4.3rem); }
  .hero-console { min-height: 500px; }
  .console-body { padding-inline: 19px; }
  .boundary-diagram { right: 19px; left: 19px; }
  .diagram-node { width: 50px; font-size: 0.54rem; }
  .line-one { left: 50px; width: calc(31% - 50px); }
  .line-two { left: calc(31% + 50px); width: calc(31% - 50px); }
  .line-three { left: calc(62% + 50px); right: 50px; }
  .telemetry-rail { grid-template-columns: 1fr auto; gap: 16px; margin-bottom: 28px; }
  .telemetry-flow { display: none; }
  .signal-strip { grid-template-columns: repeat(2, 1fr); margin-bottom: 60px; }
  .signal-strip div:nth-child(2) { border-right: 0; }
  .signal-strip div:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .section { padding: 80px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .research-grid, .project-grid, .identity-section { grid-template-columns: 1fr; }
  .research-card { min-height: 330px; }
  .project-card { min-height: 300px; }
  .result-count { width: 100%; margin: 8px 0 0; }
  .lab-row { grid-template-columns: 54px 1fr 26px; }
  .lab-stack { display: none; }
  .identity-section { gap: 50px; }
  .contact-section { margin-bottom: 80px; padding: 46px 25px; }
  footer { flex-direction: column; }
  .topology-canvas { opacity: 0.4; }
  .noise-layer { opacity: 0.12; }
}

@media (max-width: 430px) {
  .hero-actions .button { width: 100%; }
  .console-body dl div { grid-template-columns: 74px 1fr; gap: 8px; }
  .signal-strip div { padding-inline: 16px; }
  .filter-button { flex: 1 1 calc(33.333% - 8px); }
  .identity-line { grid-template-columns: 1fr; gap: 4px; }
  .telemetry-rail { padding-inline: 13px; }
  .telemetry-rail > strong { font-size: 0.52rem; }
  .scroll-cue { margin-top: 28px; }
}

@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; }
  .reveal { opacity: 1; transform: none; }
  body::after { display: none; }
  [data-depth-card], [data-depth-card]:hover { --card-lift: 0px; transform: none; }
}

@media (hover: none), (pointer: coarse) {
  [data-depth-card], [data-depth-card]:hover {
    --card-lift: 0px;
    transform: none;
    will-change: auto;
  }
  [data-depth-card]::before { display: none; }
}