@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: dark;
  --bg: #080b14;
  --bg-soft: #0d1220;
  --surface: rgba(17, 23, 40, 0.72);
  --surface-solid: #111728;
  --surface-2: #161e33;
  --text: #f5f7ff;
  --muted: #99a3b8;
  --dim: #6d7890;
  --line: rgba(161, 178, 218, 0.16);
  --line-strong: rgba(161, 178, 218, 0.28);
  --violet: #9b87f5;
  --blue: #5e7cff;
  --cyan: #36e4da;
  --green: #75f0ac;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
  --radius: 24px;
  --max: 1200px;
}

html[data-theme='light'] {
  color-scheme: light;
  --bg: #f3f5fb;
  --bg-soft: #e8ecf5;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #ffffff;
  --surface-2: #eef1f8;
  --text: #111528;
  --muted: #58637a;
  --dim: #7b8497;
  --line: rgba(33, 43, 75, 0.12);
  --line-strong: rgba(33, 43, 75, 0.22);
  --violet: #7258e7;
  --blue: #3658e8;
  --cyan: #078f91;
  --green: #128951;
  --shadow: 0 30px 70px rgba(55, 65, 105, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  --pointer-x: 50vw;
  --pointer-y: 30vh;
  background:
    radial-gradient(circle at 80% 8%, color-mix(in srgb, var(--violet) 13%, transparent), transparent 28rem),
    radial-gradient(circle at 8% 26%, color-mix(in srgb, var(--cyan) 8%, transparent), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 76%);
  opacity: .2;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(520px circle at var(--pointer-x) var(--pointer-y), color-mix(in srgb, var(--cyan) 7%, transparent), transparent 68%);
  opacity: .9;
}
main { position: relative; z-index: 1; }
.neural-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: .3;
}
.ambient-orb {
  position: fixed;
  z-index: 0;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(120px);
  opacity: .07;
  will-change: transform;
}
.ambient-orb-a { top: -13rem; right: -9rem; background: var(--violet); animation: ambientDriftA 18s ease-in-out infinite alternate; }
.ambient-orb-b { bottom: -18rem; left: -12rem; background: var(--cyan); animation: ambientDriftB 22s ease-in-out infinite alternate; }
.scroll-progress {
  position: fixed;
  z-index: 80;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  pointer-events: none;
  background: transparent;
}
.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  box-shadow: 0 0 12px color-mix(in srgb, var(--cyan) 65%, transparent);
  transform-origin: left;
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
[id] { scroll-margin-top: 92px; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -100px;
  z-index: 99;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
}
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  width: min(calc(100% - 36px), var(--max));
  height: 74px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.wordmark { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; letter-spacing: -.02em; }
.mark {
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--blue));
  box-shadow: 0 10px 24px color-mix(in srgb, var(--violet) 28%, transparent);
  font: 500 12px/1 'DM Mono', monospace;
}
.mark::after {
  content: '';
  position: absolute;
  inset: -80%;
  background: conic-gradient(from 0deg, transparent, rgba(255,255,255,.55), transparent 28%);
  animation: markSweep 5s linear infinite;
}
.mark { isolation: isolate; }
.mark::after { z-index: 0; mix-blend-mode: soft-light; }
.nav-links { display: flex; align-items: center; justify-content: center; gap: 18px; }
.nav-links a { color: var(--muted); font-size: 12px; font-weight: 700; transition: color .2s ease; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--text); }
.nav-links a { position: relative; }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 50%;
  right: 50%;
  bottom: -8px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  transition: left .25s ease, right .25s ease;
}
.nav-links a:hover::after, .nav-links a.is-active::after { left: 0; right: 0; }
.nav-links a.is-active { color: var(--text); }
.menu-toggle { display: none; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.nav-cv {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  color: var(--text);
  background: var(--surface);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}
.nav-cv:hover { border-color: color-mix(in srgb, var(--violet) 50%, var(--line)); }
.theme-toggle {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}
.theme-toggle svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.theme-toggle .sun, html[data-theme='light'] .theme-toggle .moon { display: none; }
html[data-theme='light'] .theme-toggle .sun { display: block; }

.section-shell { width: min(calc(100% - 36px), var(--max)); margin-inline: auto; }
.hero {
  min-height: calc(100svh - 74px);
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: clamp(48px, 7vw, 96px);
  padding-block: 72px 92px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  font-size: 12px;
  font-weight: 600;
}
.status-dot, .live-badge i, .project-status.live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--green) 13%, transparent), 0 0 16px var(--green);
}
.kicker, .micro-label {
  color: var(--violet);
  font: 500 12px/1.4 'DM Mono', monospace;
  letter-spacing: .12em;
}
.hero .kicker { margin: 34px 0 16px; }
.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(48px, 6vw, 82px);
  line-height: .99;
  letter-spacing: -.065em;
}
.gradient-text {
  display: block;
  padding-bottom: .08em;
  color: transparent;
  background: linear-gradient(100deg, var(--violet), var(--cyan) 82%);
  -webkit-background-clip: text;
  background-clip: text;
  background-size: 180% auto;
  animation: gradientFlow 8s ease-in-out infinite alternate;
}
.hero-lede { max-width: 620px; margin: 28px 0 0; color: var(--muted); font-size: clamp(16px, 1.4vw, 19px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.text-link {
  min-height: 49px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.text-link:hover { color: var(--cyan); }
.button {
  position: relative;
  overflow: hidden;
  min-height: 49px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button-primary::before {
  content: '';
  position: absolute;
  inset: -2px auto -2px -45%;
  width: 28%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.34), transparent);
  transform: skewX(-18deg);
  transition: left .65s ease;
}
.button-primary:hover::before { left: 118%; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.button-primary { color: #fff; background: linear-gradient(135deg, var(--violet), var(--blue)); box-shadow: 0 14px 30px color-mix(in srgb, var(--violet) 24%, transparent); }
.button-primary:hover { box-shadow: 0 18px 36px color-mix(in srgb, var(--violet) 32%, transparent); }
.button-secondary { border-color: var(--line-strong); color: var(--text); background: var(--surface); }
.button-secondary:hover { background: var(--surface-2); }
.stack-line { display: flex; flex-wrap: wrap; gap: 7px 18px; margin-top: 34px; color: var(--dim); font: 500 11px/1.5 'DM Mono', monospace; text-transform: uppercase; letter-spacing: .05em; }
.stack-line span + span::before { content: '·'; margin-right: 18px; color: var(--line-strong); }

.system-card {
  position: relative;
  overflow: hidden;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  background: linear-gradient(155deg, color-mix(in srgb, var(--surface-solid) 91%, var(--violet)), var(--surface));
  box-shadow: var(--shadow);
}
.system-card::before {
  content: '';
  position: absolute;
  width: 240px;
  height: 240px;
  right: -90px;
  top: -100px;
  border-radius: 50%;
  background: var(--violet);
  filter: blur(90px);
  opacity: .12;
}
.system-card::after, .project-card::after, .research-card::before, .timeline-panel::before, .about-card::before, .skills-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  border-radius: inherit;
  background: radial-gradient(340px circle at var(--spot-x, 50%) var(--spot-y, 50%), color-mix(in srgb, var(--cyan) 10%, transparent), transparent 64%);
  opacity: 0;
  transition: opacity .3s ease;
}
[data-spotlight]:hover::after, .research-card:hover::before, .timeline-panel:hover::before, .about-card:hover::before, .skills-panel:hover::before { opacity: 1; }
.system-topline, .system-footer { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 24px; }
.system-topline { border-bottom: 1px solid var(--line); }
.system-topline h2 { margin: 5px 0 0; font-size: 28px; letter-spacing: -.04em; }
.live-badge { display: inline-flex; align-items: center; gap: 8px; color: var(--green); font: 500 11px/1 'DM Mono', monospace; text-transform: uppercase; letter-spacing: .06em; }
.live-badge i { width: 6px; height: 6px; }
.orbit-map { position: relative; min-height: 290px; overflow: hidden; }
.orbit-map::before { content: ''; position: absolute; inset: 10% 22%; background: radial-gradient(circle, color-mix(in srgb, var(--cyan) 13%, transparent), transparent 63%); }
.orbit-map::after {
  content: '';
  position: absolute;
  z-index: 0;
  left: 0;
  right: 0;
  top: -24%;
  height: 22%;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--cyan) 9%, transparent), transparent);
  animation: systemScan 5.5s linear infinite;
}
.orbit-map svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.connections path { fill: none; stroke: url(#lineGradient); stroke-width: 1.25; stroke-dasharray: 5 7; animation: dataFlow 9s linear infinite; }
.node circle { fill: var(--surface-2); stroke: var(--line-strong); stroke-width: 1; }
.node text { fill: var(--muted); font: 500 10px 'DM Mono', monospace; text-anchor: middle; }
.node { transition: filter .3s ease; }
.node circle { transition: fill .3s ease, stroke .3s ease; }
.node.is-active { filter: drop-shadow(0 0 9px color-mix(in srgb, var(--cyan) 75%, transparent)); }
.node.is-active circle { fill: color-mix(in srgb, var(--cyan) 20%, var(--surface-2)); stroke: var(--cyan); }
.node.is-active text { fill: var(--text); }
.core-halo { fill: none; stroke: color-mix(in srgb, var(--cyan) 14%, transparent); stroke-width: 1; animation: halo 2.8s ease-in-out infinite; }
.core-ring { fill: none; stroke: color-mix(in srgb, var(--violet) 65%, transparent); stroke-width: 1.4; stroke-dasharray: 4 5; transform-origin: center; animation: rotate 12s linear infinite; }
.core { fill: var(--cyan); filter: drop-shadow(0 0 12px color-mix(in srgb, var(--cyan) 80%, transparent)); }
.node-label {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  padding: 5px;
  border: 0;
  color: var(--text);
  background: transparent;
  text-align: left;
  cursor: pointer;
  opacity: .62;
  transition: opacity .25s ease, transform .25s ease, color .25s ease;
}
.node-label:hover, .node-label.is-active { opacity: 1; color: var(--cyan); transform: translateY(-2px); }
.node-label b { font-size: 11px; }
.node-label span { color: var(--dim); font: 400 9px/1.5 'DM Mono', monospace; }
.label-1 { left: 11%; top: 8%; }.label-2 { right: 8%; top: 8%; }.label-3 { left: 11%; bottom: 8%; }.label-4 { right: 12%; bottom: 8%; }
.system-activity {
  position: relative;
  z-index: 1;
  min-height: 40px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-2) 48%, transparent);
  font: 400 9px/1.4 'DM Mono', monospace;
}
.activity-label { display: inline-flex; align-items: center; gap: 7px; color: var(--violet); letter-spacing: .08em; }
.activity-label i { width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); animation: activityPulse 1.5s ease-in-out infinite; }
.activity-copy { overflow: hidden; color: var(--muted); white-space: nowrap; text-overflow: ellipsis; }
.activity-count { color: var(--cyan); }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.metric-grid div { padding: 17px 20px; }
.metric-grid div + div { border-left: 1px solid var(--line); }
.metric-grid strong { display: block; color: var(--cyan); font-size: 18px; }
.metric-grid span { color: var(--dim); font: 400 9px/1.4 'DM Mono', monospace; text-transform: uppercase; letter-spacing: .05em; }
.system-footer { color: var(--dim); font: 400 10px/1.5 'DM Mono', monospace; }
.system-footer a { color: var(--text); font-family: 'Manrope', sans-serif; font-weight: 700; transition: color .2s ease; white-space: nowrap; }
.system-footer a:hover { color: var(--cyan); }
.engineering-signals {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line);
}
.engineering-signals div {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 12px;
  padding: 16px 18px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
}
.engineering-signals div::after {
  content: '';
  position: absolute;
  inset: auto 100% 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: signalTrace 6s linear infinite;
}
.engineering-signals div:nth-child(2)::after { animation-delay: 1.6s; }
.engineering-signals div:nth-child(3)::after { animation-delay: 3.2s; }
.engineering-signals span { grid-row: 1 / 3; color: var(--violet); font: 500 10px 'DM Mono', monospace; }
.engineering-signals b { font-size: 12px; }
.engineering-signals small { color: var(--dim); font: 400 9px/1.5 'DM Mono', monospace; }

.work { padding-block: 110px; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(300px, 470px); gap: 48px; align-items: end; }
.section-heading .kicker { margin: 0 0 14px; }
.section-heading h2, .proof-copy > h2 { margin: 0; font-size: clamp(38px, 5vw, 62px); line-height: 1.05; letter-spacing: -.055em; }
.section-heading > p { margin: 0 0 5px; color: var(--muted); }
.project-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 44px 0 22px; }
.filters { display: inline-flex; gap: 6px; padding: 5px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); }
.filter { border: 0; padding: 8px 14px; border-radius: 9px; color: var(--muted); background: transparent; font-size: 13px; font-weight: 700; cursor: pointer; }
.filter.is-active { color: var(--text); background: var(--surface-2); box-shadow: 0 6px 14px rgba(0,0,0,.12); }
.result-count { color: var(--dim); font: 400 11px 'DM Mono', monospace; text-transform: uppercase; }
.project-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.project-card {
  grid-column: span 3;
  min-width: 0;
  min-height: 388px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  position: relative;
  overflow: hidden;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  backdrop-filter: blur(12px);
  isolation: isolate;
  transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .28s ease, background .28s ease, box-shadow .28s ease, opacity .2s ease;
}
.project-card:hover {
  transform: translateY(-7px);
  border-color: color-mix(in srgb, var(--cyan) 38%, var(--line));
  background: color-mix(in srgb, var(--surface-solid) 88%, var(--violet));
  box-shadow: 0 25px 70px rgba(0,0,0,.2), 0 0 0 1px color-mix(in srgb, var(--cyan) 8%, transparent);
}
.project-card.is-hidden { display: none; }
.project-featured { background: linear-gradient(145deg, color-mix(in srgb, var(--surface-solid) 85%, var(--violet)), var(--surface)); }
.project-wide { grid-column: span 6; min-height: 440px; }
.compact-project { grid-column: span 2; min-height: 350px; }
.project-index { position: absolute; right: 20px; top: 12px; color: color-mix(in srgb, var(--text) 6%, transparent); font-size: 74px; font-weight: 800; letter-spacing: -.08em; transition: color .3s ease, transform .35s ease; }
.project-card:hover .project-index { color: color-mix(in srgb, var(--cyan) 11%, transparent); transform: translate3d(-4px, 4px, 0); }
.project-status { width: fit-content; min-height: 27px; display: inline-flex; align-items: center; gap: 8px; padding: 0 10px; border-radius: 999px; font: 500 10px/1 'DM Mono', monospace; text-transform: uppercase; letter-spacing: .05em; }
.project-status.live { color: var(--green); border: 1px solid color-mix(in srgb, var(--green) 25%, transparent); background: color-mix(in srgb, var(--green) 8%, transparent); }
.project-status.demo { color: var(--violet); border: 1px solid color-mix(in srgb, var(--violet) 25%, transparent); background: color-mix(in srgb, var(--violet) 8%, transparent); }
.project-status.live i { width: 5px; height: 5px; }
.project-body { align-self: end; position: relative; margin-top: 54px; }
.project-body h3 { margin: 9px 0 10px; font-size: 28px; line-height: 1.1; letter-spacing: -.04em; }
.project-body > p:not(.micro-label) { max-width: 610px; margin: 0; color: var(--muted); font-size: 14px; }
.project-proof { display: flex; gap: 20px; margin-top: 17px; color: var(--dim); font: 400 10px 'DM Mono', monospace; }
.project-proof b { color: var(--cyan); font-size: 14px; }
.architecture-ribbon {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  gap: 9px;
  max-width: 790px;
  margin-top: 20px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-2) 54%, transparent);
}
.architecture-ribbon span { color: var(--muted); font: 500 9px 'DM Mono', monospace; text-transform: uppercase; letter-spacing: .04em; }
.architecture-ribbon i { position: relative; height: 1px; overflow: hidden; background: var(--line-strong); }
.architecture-ribbon i::after { content: ''; position: absolute; inset: 0 100% 0 0; background: var(--cyan); animation: ribbonFlow 3s ease-in-out infinite; }
.architecture-ribbon i:nth-of-type(2)::after { animation-delay: .45s; }
.architecture-ribbon i:nth-of-type(3)::after { animation-delay: .9s; }
.architecture-ribbon i:nth-of-type(4)::after { animation-delay: 1.35s; }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 7px; margin: 19px 0 0; padding: 0; }
.tags li { padding: 5px 8px; border: 1px solid var(--line); border-radius: 7px; color: var(--dim); font: 400 9px 'DM Mono', monospace; }
.project-card:hover .tags li { border-color: color-mix(in srgb, var(--violet) 26%, var(--line)); color: var(--muted); }
.project-links { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 26px; padding-top: 17px; border-top: 1px solid var(--line); }
.project-links a { color: var(--text); font-size: 12px; font-weight: 700; }
.project-links a span { color: var(--cyan); margin-left: 3px; }
.project-links a:hover { color: var(--cyan); }
.case-study { margin-top: 20px; border-top: 1px solid var(--line); }
.case-study summary {
  width: fit-content;
  padding-top: 15px;
  color: var(--cyan);
  font: 500 10px/1.5 'DM Mono', monospace;
  text-transform: uppercase;
  letter-spacing: .06em;
  cursor: pointer;
}
.case-study summary::marker { color: var(--violet); }
.case-study-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 15px;
}
.case-study-grid div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-2) 62%, transparent);
}
.case-study-grid b { font-size: 11px; }
.case-study-grid p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; }

.proof { padding-block: 110px 30px; }
.proof-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(42px, 7vw, 92px); align-items: center; }
.proof-copy > .kicker { margin: 0 0 16px; }
.proof-copy > p:not(.kicker) { max-width: 600px; margin: 24px 0 0; color: var(--muted); }
.research-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
}
.research-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.capability-list { margin-top: 42px; border-top: 1px solid var(--line); }
.capability-list article { display: grid; grid-template-columns: 48px 1fr; gap: 10px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.capability-list article > span { color: var(--violet); font: 500 11px 'DM Mono', monospace; }
.capability-list h3 { margin: 0; font-size: 16px; }
.capability-list p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.research-card { position: relative; overflow: hidden; padding: 28px; border: 1px solid var(--line-strong); border-radius: 28px; background: linear-gradient(145deg, color-mix(in srgb, var(--surface-solid) 87%, var(--blue)), var(--surface)); box-shadow: var(--shadow); }
.research-card::after { content: ''; position: absolute; inset: auto -50px -80px auto; width: 210px; height: 210px; border-radius: 50%; background: var(--cyan); filter: blur(100px); opacity: .12; }
.research-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.research-head a { color: var(--cyan); font: 500 11px 'DM Mono', monospace; }
.research-card h3 { margin: 42px 0 15px; font-size: clamp(25px, 3vw, 37px); line-height: 1.16; letter-spacing: -.045em; }
.research-card > p { color: var(--muted); font-size: 14px; }
.research-metrics { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 50px; padding-top: 22px; border-top: 1px solid var(--line); }
.research-metrics div + div { padding-left: 15px; border-left: 1px solid var(--line); }
.research-metrics strong { display: block; color: var(--cyan); font-size: 20px; text-shadow: 0 0 18px color-mix(in srgb, var(--cyan) 20%, transparent); }
.research-metrics span { display: block; margin-top: 3px; color: var(--dim); font: 400 9px/1.4 'DM Mono', monospace; text-transform: uppercase; }
.career-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 16px;
  margin-top: 100px;
}
.timeline-panel, .about-card, .skills-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  transition: border-color .3s ease, transform .3s ease;
}
.timeline-panel:hover, .about-card:hover, .skills-panel:hover { border-color: color-mix(in srgb, var(--violet) 34%, var(--line)); }
.timeline-panel { padding: 32px; }
.timeline-panel > h2, .about-card h2, .skills-panel h2 {
  margin: 9px 0 30px;
  font-size: clamp(27px, 3.3vw, 42px);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.timeline-item {
  position: relative;
  margin-left: 7px;
  padding: 6px 0 28px 27px;
  border-left: 1px solid var(--line-strong);
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -1px;
  top: 0;
  width: 1px;
  height: 0;
  background: linear-gradient(var(--cyan), var(--violet));
  transition: height 1.1s cubic-bezier(.2,.7,.2,1);
}
.timeline-panel.is-visible .timeline-item::before { height: 100%; }
.timeline-item:last-child { padding-bottom: 3px; }
.timeline-marker {
  position: absolute;
  left: -5px;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--cyan) 10%, transparent);
}
.timeline-meta { display: flex; justify-content: space-between; gap: 18px; color: var(--dim); font: 400 10px 'DM Mono', monospace; text-transform: uppercase; }
.timeline-item h3 { margin: 13px 0 1px; font-size: 20px; letter-spacing: -.025em; }
.timeline-place { margin: 0 0 13px; color: var(--violet); font-size: 12px; font-weight: 700; }
.timeline-item ul { margin: 0; padding-left: 17px; color: var(--muted); font-size: 12px; }
.timeline-item li + li { margin-top: 5px; }
.education-item { margin-top: 6px; }
.about-card { padding: 32px; }
.about-head { display: flex; align-items: center; gap: 18px; margin-bottom: 28px; }
.about-head img { width: 82px; height: 82px; border: 1px solid var(--line-strong); border-radius: 22px; object-fit: cover; }
.about-card h2 { margin: 6px 0 0; }
.about-card > p { color: var(--muted); font-size: 14px; }
.credential-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 26px; }
.credential-row span { padding: 7px 9px; border: 1px solid var(--line); border-radius: 8px; color: var(--dim); font: 400 9px 'DM Mono', monospace; }
.skills-panel {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 48px;
  margin-top: 16px;
  padding: 32px;
}
.skills-heading h2 { margin-bottom: 0; }
.skills-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.skills-grid div { padding: 17px; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--surface-2) 58%, transparent); transition: border-color .25s ease, transform .25s ease, background .25s ease; }
.skills-grid div:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--cyan) 32%, var(--line)); background: color-mix(in srgb, var(--surface-2) 72%, var(--cyan)); }
.skills-grid div:last-child { grid-column: 1 / -1; }
.skills-grid h3 { margin: 0; font-size: 12px; }
.skills-grid p { margin: 7px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.contact-panel { display: flex; align-items: center; justify-content: space-between; gap: 44px; margin-top: 110px; padding: 34px; border: 1px solid var(--line-strong); border-radius: 28px; background: var(--surface); }
.contact-person { display: flex; align-items: center; gap: 22px; }
.contact-person img { width: 76px; height: 76px; border-radius: 21px; object-fit: cover; border: 1px solid var(--line-strong); }
.contact-person h2 { margin: 7px 0 4px; font-size: clamp(24px, 3vw, 37px); line-height: 1.1; letter-spacing: -.04em; }
.contact-person p:last-child { margin: 0; color: var(--muted); font-size: 13px; }
.contact-actions { display: flex; flex: 0 1 560px; flex-wrap: wrap; justify-content: flex-end; gap: 9px; }
.copy-button { min-height: 49px; display: inline-flex; align-items: center; gap: 9px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: 14px; color: var(--text); background: transparent; cursor: pointer; }
.copy-button svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.copy-button:hover { background: var(--surface-2); }
footer { min-height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--dim); font: 400 10px/1.6 'DM Mono', monospace; }
footer div { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
footer a:hover { color: var(--text); }

.reveal { opacity: 0; filter: blur(7px); transform: translateY(28px) scale(.99); transition: opacity .8s cubic-bezier(.2,.65,.25,1), transform .8s cubic-bezier(.2,.65,.25,1), filter .8s ease; }
.reveal.is-visible { opacity: 1; filter: blur(0); transform: translateY(0) scale(1); }

@keyframes dataFlow { to { stroke-dashoffset: -48; } }
@keyframes halo { 0%,100% { transform: scale(.92); opacity: .35; } 50% { transform: scale(1.08); opacity: .8; } }
@keyframes rotate { to { transform: rotate(360deg); } }
@keyframes gradientFlow { from { background-position: 0% 50%; } to { background-position: 100% 50%; } }
@keyframes markSweep { to { transform: rotate(360deg); } }
@keyframes systemScan { from { top: -24%; } to { top: 110%; } }
@keyframes activityPulse { 0%,100% { opacity: .45; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.25); } }
@keyframes signalTrace { 0% { inset-inline: 0 100%; } 40%,100% { inset-inline: 100% 0; } }
@keyframes ribbonFlow { 0% { inset-inline: 0 100%; } 55%,100% { inset-inline: 100% 0; } }
@keyframes ambientDriftA { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(-10vw, 18vh, 0) scale(1.18); } }
@keyframes ambientDriftB { from { transform: translate3d(0,0,0) scale(1); } to { transform: translate3d(12vw, -12vh, 0) scale(.86); } }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto auto; }
  .menu-toggle {
    width: 40px;
    height: 40px;
    display: grid;
    align-content: center;
    gap: 6px;
    padding: 0 10px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    cursor: pointer;
  }
  .menu-toggle span { display: block; width: 100%; height: 1px; background: var(--text); transition: transform .2s ease; }
  .menu-toggle[aria-expanded='true'] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded='true'] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .nav-links {
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    display: none;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--line-strong);
    border-radius: 17px;
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
  }
  .nav-links.is-open { display: grid; }
  .nav-links a { padding: 10px; border-radius: 9px; text-align: center; }
  .nav-links a:hover { background: var(--surface-2); }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 82px; }
  .hero-copy { max-width: 760px; }
  .system-card { width: min(100%, 700px); }
  .project-grid { grid-template-columns: 1fr; }
  .project-card, .project-wide, .compact-project { grid-column: auto; }
  .proof-layout { grid-template-columns: 1fr; }
  .research-section, .career-grid, .skills-panel { grid-template-columns: 1fr; }
  .skills-panel { gap: 20px; }
  .research-card { max-width: 700px; }
  .contact-panel { align-items: flex-start; flex-direction: column; }
  .contact-actions { flex: 0 1 auto; justify-content: flex-start; }
  .engineering-signals { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .site-header { width: min(calc(100% - 24px), var(--max)); grid-template-columns: 1fr auto auto; gap: 7px; }
  .nav-links { grid-template-columns: 1fr 1fr; }
  .nav-links.is-open { display: grid; }
  .nav-cv { display: none; }
  .wordmark { font-size: 14px; }
  .section-shell { width: min(calc(100% - 24px), var(--max)); }
  .hero { gap: 48px; padding-block: 52px 74px; }
  .hero h1 { font-size: clamp(43px, 13vw, 66px); }
  .hero-actions, .hero-actions .button, .hero-actions .text-link { width: 100%; }
  .hero-actions .text-link { justify-content: center; }
  .stack-line { row-gap: 9px; }
  .system-topline, .system-footer { align-items: flex-start; padding: 18px; }
  .system-footer { flex-direction: column; }
  .orbit-map { min-height: 250px; }
  .node-label { display: none; }
  .system-activity { grid-template-columns: auto 1fr auto; padding-inline: 14px; gap: 9px; }
  .activity-label { font-size: 8px; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric-grid div { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 18px; }
  .metric-grid div + div { border-left: 0; border-top: 1px solid var(--line); }
  .work, .proof { padding-block: 76px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .project-toolbar { align-items: flex-start; flex-direction: column; }
  .filters { width: 100%; }
  .filter { flex: 1; }
  .project-card { min-height: 400px; padding: 20px; }
  .compact-project { min-height: 360px; }
  .project-index { font-size: 62px; }
  .project-proof { align-items: flex-start; flex-direction: column; gap: 5px; }
  .architecture-ribbon {
    display: flex;
    overflow-x: auto;
    gap: 9px;
    scrollbar-width: none;
  }
  .architecture-ribbon::-webkit-scrollbar { display: none; }
  .architecture-ribbon span { flex: 0 0 auto; }
  .architecture-ribbon i { flex: 0 0 24px; }
  .case-study-grid { grid-template-columns: 1fr; }
  .research-card { padding: 22px; }
  .research-actions, .research-actions .button { width: 100%; }
  .research-metrics { grid-template-columns: 1fr; gap: 14px; margin-top: 36px; }
  .research-metrics div + div { padding: 14px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .career-grid { margin-top: 76px; }
  .timeline-panel, .about-card, .skills-panel { padding: 24px; }
  .timeline-meta { align-items: flex-start; flex-direction: column; gap: 4px; }
  .about-head { align-items: flex-start; flex-direction: column; }
  .skills-grid { grid-template-columns: 1fr; }
  .skills-grid div:last-child { grid-column: auto; }
  .contact-panel { margin-top: 76px; padding: 24px; }
  .contact-person { align-items: flex-start; flex-direction: column; }
  .contact-actions { width: 100%; flex-direction: column; }
  .contact-actions > * { width: 100%; justify-content: center; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 25px; }
}

@media (hover: none), (pointer: coarse) {
  body::after { display: none; }
  .project-card:hover, .skills-grid div:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; filter: none; transform: none; }
  .ambient-orb, body::after { display: none; }
}