:root {
  color-scheme: dark;
  --bg: #0a0a0c;
  --surface: #111116;
  --surface-2: #15151c;
  --text: #f0f0f0;
  --muted: #888888;
  --muted-2: #b6b6bd;
  --border: #222222;
  --blue: #4f8ef7;
  --amber: #e8a838;
  --shadow-blue: rgba(79, 142, 247, 0.28);
  --shadow-amber: rgba(232, 168, 56, 0.2);
  --max: 1180px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    var(--bg);
  background-size: 72px 72px, 72px 72px, auto;
  color: var(--text);
  font-family: "Space Grotesk", Inter, system-ui, sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 1px solid rgba(79, 142, 247, 0.92);
  outline-offset: 4px;
}

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

em {
  color: var(--amber);
  font-family: "Instrument Serif", Georgia, serif;
  font-style: italic;
  font-weight: 400;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: var(--header-height);
  padding: 0 34px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
  background: rgba(10, 10, 12, 0.58);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.98rem;
  font-weight: 600;
  white-space: nowrap;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border: 1px solid var(--blue);
  background: linear-gradient(135deg, rgba(79, 142, 247, 0.9), rgba(232, 168, 56, 0.78));
  box-shadow: 0 0 18px var(--shadow-blue);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.site-nav a {
  color: rgba(240, 240, 240, 0.64);
  transition: color 180ms ease, text-shadow 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="true"] {
  color: var(--text);
  text-shadow: 0 0 16px rgba(79, 142, 247, 0.5);
}

.section {
  position: relative;
  scroll-margin-top: var(--header-height);
}

.section-shell {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}

#chip-canvas {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  opacity: 1;
  filter: drop-shadow(0 0 38px rgba(79, 142, 247, 0.35));
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(10, 10, 12, 0.46), rgba(10, 10, 12, 0) 34%, rgba(10, 10, 12, 0.7)),
    linear-gradient(90deg, rgba(10, 10, 12, 0.78), rgba(10, 10, 12, 0.01) 45%, rgba(10, 10, 12, 0.74));
  pointer-events: none;
}

.hero-noise {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(180deg, transparent, black 18%, black 74%, transparent);
}

.hero-copy {
  width: min(1080px, calc(100% - 40px));
  margin-top: 24px;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: 5.55rem;
  line-height: 0.96;
  font-weight: 500;
  text-wrap: balance;
  text-shadow: 0 18px 44px rgba(0, 0, 0, 0.8);
}

.hero h1 em {
  display: block;
  margin-top: 8px;
  font-size: 0.72em;
  line-height: 1;
}

.scroll-cue {
  position: absolute;
  bottom: 74px;
  left: 50%;
  width: 22px;
  height: 46px;
  transform: translateX(-50%);
  border: 1px solid rgba(240, 240, 240, 0.3);
}

.scroll-cue span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 2px;
  height: 10px;
  background: var(--blue);
  transform: translateX(-50%);
  animation: cue 1.8s ease-in-out infinite;
}

.hero-marquee {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 46px;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 10, 12, 0.75);
  backdrop-filter: blur(16px);
}

.marquee-track {
  display: flex;
  width: max-content;
  height: 100%;
  align-items: center;
  animation: marquee 46s linear infinite;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: rgba(240, 240, 240, 0.68);
  white-space: nowrap;
}

.marquee-set {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 34px;
  padding-right: 34px;
}

.marquee-set span::after {
  content: "·";
  margin-left: 34px;
  color: var(--amber);
}

.about-section,
.resume-section,
.projects-section,
.krx-section,
.contact-section {
  padding: 118px 0;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 42px;
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  max-width: none;
}

.section-index,
.mono-label {
  margin: 0 0 14px;
  color: var(--blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
}

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

h2 {
  margin-bottom: 0;
  font-size: 3.5rem;
  line-height: 0.98;
  font-weight: 500;
  text-wrap: balance;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.25rem;
  line-height: 1.18;
  font-weight: 600;
}

p {
  color: var(--muted-2);
  font-size: 1rem;
  line-height: 1.65;
}

.muted {
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 72px;
  align-items: start;
}

.about-copy > p {
  font-size: 1.18rem;
}

.signal-panel {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  border: 1px solid var(--border);
  background: var(--border);
}

.signal-panel > div {
  padding: 18px;
  background: rgba(17, 17, 22, 0.78);
}

.signal-panel strong {
  display: block;
  font-size: 0.98rem;
  line-height: 1.45;
  font-weight: 500;
}

.text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(79, 142, 247, 0.5);
  background: rgba(79, 142, 247, 0.06);
  color: var(--text);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.text-button:hover,
.text-button:focus-visible {
  border-color: var(--blue);
  background: rgba(79, 142, 247, 0.14);
  transform: translateY(-1px);
}

.text-button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.beta-form-button {
  flex-basis: 100%;
  width: fit-content;
  max-width: 100%;
  min-height: 52px;
  padding: 0 20px;
  border-color: rgba(232, 168, 56, 0.58);
  background: linear-gradient(135deg, rgba(232, 168, 56, 0.14), rgba(79, 142, 247, 0.08));
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 600;
}

.beta-form-button:hover,
.beta-form-button:focus-visible {
  border-color: var(--amber);
  background: linear-gradient(135deg, rgba(232, 168, 56, 0.2), rgba(79, 142, 247, 0.13));
}

.resume-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: 22px;
  align-items: start;
}

.resume-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}

.resume-column {
  display: grid;
  gap: 22px;
}

.resume-block,
.project-card,
.krx-product,
.contact-ledger {
  border: 1px solid var(--border);
  background: rgba(17, 17, 22, 0.68);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.24);
}

.resume-block {
  padding: 22px;
}

.resume-pdf-panel {
  position: sticky;
  top: calc(var(--header-height) + 22px);
  min-height: 720px;
  border: 1px solid var(--border);
  background: rgba(17, 17, 22, 0.72);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.24);
  overflow: hidden;
}

.pdf-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
}

.pdf-toolbar .mono-label {
  margin: 0;
}

.pdf-toolbar a {
  color: var(--muted-2);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
}

.pdf-toolbar a:hover,
.pdf-toolbar a:focus-visible {
  color: var(--blue);
}

.resume-pdf-panel iframe {
  display: block;
  width: 100%;
  height: 668px;
  border: 0;
  background: #1a1a1d;
}

.block-heading {
  display: flex;
  justify-content: space-between;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.resume-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: start;
}

.resume-row p {
  margin-bottom: 6px;
}

.row-meta {
  max-width: 220px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.74rem;
  line-height: 1.45;
  text-align: right;
}

.skill-group + .skill-group,
.experience-item + .experience-item {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.tag-cloud,
.honors-list,
.project-signal,
.krx-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud span,
.honors-list span,
.project-signal span,
.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid rgba(79, 142, 247, 0.22);
  background: rgba(79, 142, 247, 0.055);
  color: rgba(240, 240, 240, 0.78);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
}

.honors-list span {
  border-color: rgba(232, 168, 56, 0.22);
  background: rgba(232, 168, 56, 0.055);
}

ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

li {
  margin: 9px 0;
  color: var(--muted-2);
  line-height: 1.55;
}

.project-list {
  display: grid;
  gap: 20px;
}

.project-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.72fr);
  grid-template-areas:
    "main diagram"
    "signal diagram"
    "actions diagram";
  gap: 22px 34px;
  min-height: 250px;
  padding: 26px;
  overflow: hidden;
}

.project-card-system {
  grid-template-columns: minmax(0, 0.78fr) minmax(520px, 1.02fr);
  gap: 20px 38px;
  min-height: 318px;
  padding: 30px;
  background:
    linear-gradient(100deg, rgba(17, 17, 22, 0.95), rgba(17, 17, 22, 0.72) 58%, rgba(18, 15, 12, 0.72)),
    repeating-linear-gradient(90deg, rgba(79, 142, 247, 0.055) 0 1px, transparent 1px 46px);
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(79, 142, 247, 0.11), transparent 34%),
    linear-gradient(270deg, rgba(232, 168, 56, 0.08), transparent 38%);
  opacity: 0;
  transition: opacity 180ms ease;
  pointer-events: none;
}

.project-card:hover::before {
  opacity: 1;
}

.project-card-feature {
  min-height: 340px;
  grid-template-columns: minmax(0, 0.94fr) minmax(340px, 0.78fr);
  background:
    linear-gradient(115deg, rgba(17, 17, 22, 0.94), rgba(17, 17, 22, 0.58)),
    repeating-linear-gradient(90deg, rgba(79, 142, 247, 0.08) 0 1px, transparent 1px 42px);
}

.project-card-feature .project-signal {
  align-self: start;
  justify-self: start;
  max-width: 430px;
}

.project-card-system .project-signal {
  max-width: 680px;
}

.project-main {
  position: relative;
  z-index: 1;
  grid-area: main;
}

.project-main h3 {
  max-width: 640px;
  margin-bottom: 12px;
  font-size: 2rem;
  font-weight: 500;
}

.project-main p {
  max-width: 760px;
}

.project-main .tag-cloud {
  margin-top: 18px;
}

.tag-cloud span,
.project-signal span {
  max-width: 100%;
  overflow-wrap: anywhere;
}

.project-actions {
  position: relative;
  z-index: 1;
  grid-area: actions;
  display: flex;
  align-items: end;
  justify-content: flex-start;
  gap: 12px;
  align-self: end;
  flex-wrap: wrap;
}

.project-signal {
  position: relative;
  z-index: 1;
  grid-area: signal;
  align-self: start;
}

.project-link,
.action-muted {
  min-height: 34px;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(79, 142, 247, 0.58);
  color: var(--text);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.76rem;
}

.project-link:hover,
.project-link:focus-visible {
  color: var(--blue);
}

.action-muted {
  border-color: rgba(136, 136, 136, 0.24);
  color: var(--muted);
}

.project-diagram {
  position: relative;
  z-index: 1;
  grid-area: diagram;
  align-self: stretch;
  min-height: 190px;
  border: 1px solid rgba(79, 142, 247, 0.24);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    rgba(10, 10, 12, 0.42);
  background-size: 34px 34px, 34px 34px, auto;
  overflow: hidden;
}

.project-card-system .project-diagram {
  min-height: 258px;
  border-color: rgba(79, 142, 247, 0.34);
  background:
    linear-gradient(90deg, rgba(79, 142, 247, 0.1) 1px, transparent 1px),
    linear-gradient(0deg, rgba(79, 142, 247, 0.065) 1px, transparent 1px),
    linear-gradient(135deg, rgba(79, 142, 247, 0.045), rgba(232, 168, 56, 0.025)),
    rgba(8, 9, 12, 0.7);
  background-size: 34px 34px, 34px 34px, auto, auto;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.015), inset 0 0 38px rgba(79, 142, 247, 0.035);
}

.diagram-flow {
  position: absolute;
  inset: auto 22px 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  color: var(--muted-2);
}

.diagram-flow span {
  border: 1px solid rgba(79, 142, 247, 0.34);
  background: rgba(79, 142, 247, 0.08);
  box-shadow: 0 0 18px rgba(79, 142, 247, 0.08);
}

.diagram-flow span {
  padding: 7px 8px;
}

.diagram-flow b {
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--blue), var(--amber));
}

.diagram-wave {
  position: absolute;
  left: 28px;
  right: 28px;
  top: 30px;
  height: 128px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(79, 142, 247, 0.22);
}

.diagram-wave i {
  width: 9px;
  height: var(--h);
  border: 1px solid rgba(79, 142, 247, 0.58);
  background: linear-gradient(180deg, rgba(79, 142, 247, 0.7), rgba(232, 168, 56, 0.28));
  box-shadow: 0 0 16px rgba(79, 142, 247, 0.22);
  animation: spectral 4.5s ease-in-out infinite;
  animation-delay: var(--delay);
}

.diagram-shell {
  position: absolute;
  inset: 14px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
}

.diagram-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 28px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(79, 142, 247, 0.18);
  color: var(--blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem;
  line-height: 1.2;
  text-transform: uppercase;
}

.diagram-head b {
  color: rgba(232, 168, 56, 0.78);
  font-weight: 500;
  text-align: right;
}

.diagram-svg {
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: visible;
}

.svg-node,
.scope-screen,
.playfield {
  fill: rgba(79, 142, 247, 0.075);
  stroke: rgba(79, 142, 247, 0.52);
  stroke-width: 1.8;
  vector-effect: non-scaling-stroke;
}

.svg-node-amber {
  fill: rgba(232, 168, 56, 0.08);
  stroke: rgba(232, 168, 56, 0.58);
}

.svg-node-wide {
  fill: rgba(13, 16, 21, 0.82);
}

.svg-line,
.graph-tree,
.monitor-mark {
  fill: none;
  stroke: rgba(79, 142, 247, 0.78);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.svg-control,
.motion-arc {
  fill: none;
  stroke: rgba(232, 168, 56, 0.8);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 7 6;
  vector-effect: non-scaling-stroke;
}

.svg-arrow-blue {
  fill: rgba(79, 142, 247, 0.9);
}

.svg-arrow-amber {
  fill: rgba(232, 168, 56, 0.9);
}

.svg-text,
.svg-small,
.svg-tiny,
.svg-caption {
  fill: rgba(240, 240, 240, 0.84);
  font-family: "JetBrains Mono", monospace;
  text-anchor: middle;
  dominant-baseline: middle;
  letter-spacing: 0;
}

.svg-text {
  font-size: 26px;
  font-weight: 600;
}

.transition-label {
  font-size: 20px;
}

.svg-small {
  font-size: 20px;
  font-weight: 500;
}

.svg-tiny {
  font-size: 14px;
  fill: rgba(240, 240, 240, 0.64);
}

.svg-caption {
  font-size: 15px;
  fill: rgba(240, 240, 240, 0.62);
}

.cpu-svg .svg-text {
  font-size: 20px;
}

.cpu-svg .svg-small {
  font-size: 14px;
}

.cpu-svg .svg-tiny,
.cpu-svg .svg-caption {
  font-size: 12px;
}

.asteroids-svg .svg-text {
  font-size: 22px;
}

.scope-svg .svg-text {
  font-size: 18px;
}

.scope-svg .scope-device-label {
  font-size: 16px;
}

.asteroids-svg .svg-small {
  font-size: 15px;
}

.growing-svg .svg-text,
.java-svg .svg-text {
  font-size: 18px;
}

.growing-svg .svg-small,
.java-svg .svg-small {
  font-size: 13px;
}

.growing-svg .transition-label {
  font-size: 15px;
}

.svg-left {
  text-anchor: start;
}

.svg-amber-text,
.svg-caption-amber {
  fill: rgba(232, 168, 56, 0.86);
}

.scope-screen,
.playfield {
  fill: rgba(5, 7, 11, 0.42);
  stroke: rgba(79, 142, 247, 0.36);
}

.scope-grid path {
  fill: none;
  stroke: rgba(79, 142, 247, 0.22);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.scope-trace-blue,
.scope-trace-amber,
.scope-awg {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.scope-trace-blue {
  stroke: rgba(79, 142, 247, 0.96);
  filter: drop-shadow(0 0 8px rgba(79, 142, 247, 0.42));
}

.scope-trace-amber,
.scope-awg {
  stroke: rgba(232, 168, 56, 0.95);
  filter: drop-shadow(0 0 8px rgba(232, 168, 56, 0.3));
}

.scope-sample,
.shot-mark {
  fill: rgba(79, 142, 247, 0.96);
}

.scope-sample-amber,
.shot-mark {
  fill: rgba(232, 168, 56, 0.95);
}

.ship-mark {
  fill: rgba(79, 142, 247, 0.92);
  stroke: rgba(240, 240, 240, 0.72);
  stroke-width: 1.3;
  filter: drop-shadow(0 0 10px rgba(79, 142, 247, 0.5));
}

.laser-mark {
  fill: none;
  stroke: rgba(232, 168, 56, 0.94);
  stroke-width: 3;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.asteroid-mark {
  fill: rgba(232, 168, 56, 0.07);
  stroke: rgba(232, 168, 56, 0.78);
  stroke-width: 1.8;
  vector-effect: non-scaling-stroke;
}

.asteroid-small {
  opacity: 0.92;
}

.asteroid-ghost {
  stroke: rgba(240, 240, 240, 0.46);
  opacity: 0.72;
}

.star-streak,
.engine-icon path,
.engine-icon circle {
  fill: none;
  stroke: rgba(240, 240, 240, 0.58);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.engine-icon text {
  fill: rgba(79, 142, 247, 0.92);
}

.krx-section {
  padding: 92px 0;
  background:
    linear-gradient(180deg, rgba(10, 10, 12, 0), rgba(79, 142, 247, 0.035) 40%, rgba(10, 10, 12, 0));
}

.krx-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1.22fr);
  gap: 54px;
  align-items: start;
}

.krx-copy h2 {
  font-size: 4.85rem;
  margin-bottom: 14px;
}

.krx-tagline {
  color: var(--text);
  font-size: 1.38rem;
  line-height: 1.28;
}

.krx-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.status-chip {
  min-height: 42px;
  border-color: rgba(232, 168, 56, 0.36);
  background: rgba(232, 168, 56, 0.08);
  color: var(--amber);
}

.krx-product {
  position: relative;
  min-height: 640px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(79, 142, 247, 0.035), rgba(10, 10, 12, 0) 36%),
    rgba(17, 17, 22, 0.68);
}

#krx-process-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
}

.krx-stage {
  position: absolute;
  left: 22px;
  top: 22px;
  z-index: 2;
  max-width: 360px;
  padding: 18px;
  border: 1px solid rgba(79, 142, 247, 0.22);
  background: rgba(10, 10, 12, 0.7);
  backdrop-filter: blur(12px);
}

.krx-stage .mono-label {
  display: block;
  margin-bottom: 10px;
}

.krx-stage strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.2;
}

.krx-stage p {
  margin-bottom: 0;
  color: var(--muted-2);
  font-size: 0.84rem;
  line-height: 1.45;
}

.recommendation-card {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 260ms ease, transform 260ms ease, visibility 0s linear 260ms;
}

.krx-process[data-overlay="recommendation"] .recommendation-card {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0s;
}

.recommendation-card {
  right: 28px;
  top: 94px;
  width: 214px;
  padding: 14px;
  border: 1px solid rgba(79, 142, 247, 0.28);
  background: rgba(17, 17, 22, 0.88);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

.recommendation-card .mono-label {
  display: block;
  margin-bottom: 12px;
}

.album-art {
  width: min(100%, 148px);
  aspect-ratio: 1;
  margin-inline: auto;
  margin-bottom: 12px;
  border: 1px solid rgba(232, 168, 56, 0.28);
  background:
    radial-gradient(circle at 35% 34%, rgba(232, 168, 56, 0.92), transparent 22%),
    radial-gradient(circle at 68% 42%, rgba(79, 142, 247, 0.9), transparent 26%),
    radial-gradient(circle at 45% 75%, rgba(216, 42, 92, 0.82), transparent 28%),
    #15151c;
}

.recommendation-card strong {
  display: block;
  font-size: 1rem;
}

.recommendation-card p {
  margin: 4px 0 10px;
  font-size: 0.82rem;
}

.recommendation-card span:last-child {
  display: block;
  color: var(--muted-2);
  font-size: 0.78rem;
  line-height: 1.35;
}

.process-stepper {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 138px;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}

.process-stepper span {
  min-height: 32px;
  display: grid;
  place-items: center;
  background: rgba(10, 10, 12, 0.86);
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.58rem;
  text-transform: uppercase;
}

.process-stepper span[aria-current="true"] {
  color: var(--text);
  background: rgba(79, 142, 247, 0.16);
}

.krx-metrics {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}

.krx-metrics > div {
  min-height: 92px;
  padding: 16px;
  background: rgba(10, 10, 12, 0.86);
}

.krx-metrics strong {
  display: block;
  font-size: 1rem;
  line-height: 1.22;
}

.krx-pipeline {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  margin-top: 28px;
  border: 1px solid var(--border);
  background: var(--border);
}

.krx-pipeline > div {
  min-height: 132px;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(79, 142, 247, 0.065), rgba(232, 168, 56, 0.035)),
    rgba(17, 17, 22, 0.82);
}

.krx-pipeline .mono-label {
  display: block;
  margin-bottom: 16px;
}

.krx-pipeline strong {
  display: block;
  color: rgba(240, 240, 240, 0.86);
  font-size: 1rem;
  line-height: 1.34;
  font-weight: 500;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: 70px;
  align-items: start;
}

.contact-layout h2 {
  font-size: 4.8rem;
}

.contact-ledger {
  display: grid;
}

.contact-ledger a {
  display: grid;
  gap: 6px;
  min-height: 94px;
  padding: 20px;
  border-bottom: 1px solid var(--border);
  transition: background 180ms ease, color 180ms ease;
}

.contact-ledger a:last-child {
  border-bottom: 0;
}

.contact-ledger a:hover,
.contact-ledger a:focus-visible {
  background: rgba(79, 142, 247, 0.08);
  color: var(--blue);
}

.contact-ledger strong {
  font-size: 1.25rem;
  line-height: 1.2;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 34px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
}

.site-footer nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--text);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes cue {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.4; }
  50% { transform: translate(-50%, 14px); opacity: 1; }
}

@keyframes spectral {
  0%, 100% { transform: scaleY(0.72); opacity: 0.5; }
  50% { transform: scaleY(1); opacity: 0.95; }
}

@keyframes neuralPulse {
  0%, 100% { transform: scale(0.9); opacity: 0.58; }
  50% { transform: scale(1.12); opacity: 1; }
}

@media (max-width: 1100px) {
  .hero h1 {
    font-size: 4.65rem;
  }

  .about-grid,
  .krx-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .resume-layout,
  .resume-content {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-card-feature {
    grid-template-columns: 1fr;
    grid-template-areas:
      "main"
      "diagram"
      "signal"
      "actions";
  }

  .project-card-system {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .project-card-feature .project-signal {
    justify-self: start;
  }

  .project-diagram {
    min-height: 240px;
  }

  .project-card-system .project-diagram {
    min-height: 286px;
  }

  .resume-pdf-panel {
    position: relative;
    top: auto;
    min-height: 620px;
  }

  .resume-pdf-panel iframe {
    height: 568px;
    pointer-events: none;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 106px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    padding: 14px 20px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 2px;
    font-size: 0.68rem;
  }

  .hero-copy {
    margin-top: 68px;
  }

  .hero h1 {
    font-size: 3.35rem;
    line-height: 1;
  }

  .section-shell {
    width: min(var(--max), calc(100% - 32px));
  }

  .about-section,
  .resume-section,
  .projects-section,
  .krx-section,
  .contact-section {
    padding: 86px 0;
  }

  .section-heading-row {
    align-items: start;
    flex-direction: column;
  }

  h2,
  .contact-layout h2 {
    font-size: 2.55rem;
  }

  .krx-copy h2 {
    font-size: 4rem;
  }

  .resume-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .row-meta {
    max-width: none;
    text-align: left;
  }

  .project-main h3 {
    font-size: 1.55rem;
  }

  .krx-product {
    min-height: 860px;
  }

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

  .krx-pipeline {
    grid-template-columns: 1fr;
  }

  .process-stepper {
    grid-template-columns: repeat(3, 1fr);
    bottom: 226px;
  }

  .krx-stage {
    max-width: calc(100% - 32px);
    left: 16px;
    right: 16px;
  }

  .recommendation-card {
    top: 198px;
    right: 24px;
    width: 214px;
  }

  .site-footer {
    flex-direction: column;
    padding: 24px 18px;
  }
}

@media (max-width: 620px) {
  .krx-process[data-overlay="recommendation"] .recommendation-card {
    display: none;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: 2.58rem;
  }

  .hero h1 em {
    font-size: 0.78em;
  }

  .scroll-cue {
    bottom: 68px;
  }

  .about-copy > p,
  .krx-tagline {
    font-size: 1.08rem;
  }

  .resume-block,
  .project-card {
    padding: 18px;
  }

  .resume-pdf-panel {
    min-height: 500px;
  }

  .resume-pdf-panel iframe {
    height: 448px;
  }

  .project-diagram {
    min-height: 210px;
  }

  .project-card-system .project-diagram {
    min-height: 224px;
  }

  .diagram-shell {
    inset: 10px;
    gap: 7px;
  }

  .diagram-head {
    gap: 10px;
    min-height: 24px;
    font-size: 0.52rem;
  }

  .diagram-head b {
    display: none;
  }

  .svg-text {
    font-size: 28px;
  }

  .svg-small {
    font-size: 22px;
  }

  .cpu-svg .svg-text {
    font-size: 22px;
  }

  .cpu-svg .svg-small {
    font-size: 16px;
  }

  .scope-svg .svg-text,
  .asteroids-svg .svg-text {
    font-size: 21px;
  }

  .asteroids-svg .svg-small {
    font-size: 15px;
  }

  .scope-svg .scope-device-label {
    font-size: 16px;
  }

  .java-svg .svg-small,
  .growing-svg .svg-small {
    display: none;
  }

  .java-svg .svg-text,
  .growing-svg .svg-text {
    font-size: 24px;
  }

  .growing-svg .transition-label {
    font-size: 20px;
  }

  .svg-tiny,
  .svg-caption {
    display: none;
  }

  .beta-form-button {
    width: 100%;
    justify-content: space-between;
    padding: 0 14px;
  }

  .diagram-flow {
    flex-wrap: wrap;
    align-content: end;
  }

  .krx-product {
    min-height: 1040px;
  }

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

  .process-stepper {
    bottom: 430px;
  }

  .krx-metrics {
    bottom: 20px;
  }

  .contact-ledger strong {
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .hero-marquee {
    overflow-x: auto;
  }

  .marquee-track {
    animation: none;
  }

  .marquee-set[aria-hidden="true"] {
    display: none;
  }
}