:root {
  --bg: #080b12;
  --bg-soft: #0d111b;
  --surface: #111725;
  --surface-2: #151d2c;
  --text: #f2f5f8;
  --muted: #8993a6;
  --dim: #586274;
  --line: rgba(151, 166, 194, 0.16);
  --line-bright: rgba(151, 166, 194, 0.3);
  --lime: #b7f36b;
  --cyan: #8ee7ff;
  --violet: #9b8cff;
  --orange: #ffb86b;
  --focus: #f8d477;
  --content: 1160px;
  --radius: 16px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  background: var(--bg);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
body.site-locked {
  overflow: hidden;
}
body.site-locked [data-protected-content],
body.site-locked .skip-link {
  visibility: hidden;
}
.access-gate {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(
      circle at 70% 20%,
      rgba(155, 140, 255, 0.14),
      transparent 26rem
    ),
    var(--bg);
}
.access-gate[hidden] {
  display: none;
}
.access-card {
  width: min(430px, 100%);
  padding: 38px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: rgba(17, 23, 37, 0.92);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}
.access-card img {
  display: block;
  width: 118px;
  height: auto;
  margin-bottom: 34px;
}
.access-card h1 {
  display: block;
  margin: 0 0 14px;
  font-size: clamp(2rem, 8vw, 3rem);
}
.access-card > p {
  margin-bottom: 26px;
  color: var(--muted);
}
.access-card label {
  display: block;
  margin-bottom: 9px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
}
.access-controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}
.access-controls input,
.access-controls button {
  min-height: 48px;
  border-radius: 10px;
  font: inherit;
}
.access-controls input {
  min-width: 0;
  padding: 0 14px;
  border: 1px solid var(--line-bright);
  background: var(--bg);
  color: var(--text);
}
.access-controls input:focus {
  border-color: var(--lime);
}
.access-controls button {
  padding: 0 20px;
  border: 0;
  background: var(--lime);
  color: #10160d;
  cursor: pointer;
  font-weight: 800;
}
.access-controls button:disabled {
  cursor: wait;
  opacity: 0.65;
}
.access-error {
  min-height: 1.5em;
  margin: 12px 0 0 !important;
  color: #ff9c9c !important;
  font-size: 0.86rem;
}
@media (max-width: 480px) {
  .access-card {
    padding: 28px 22px;
  }
  .access-controls {
    grid-template-columns: 1fr;
  }
}
body:before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background: radial-gradient(
      circle at 78% 9%,
      rgba(91, 80, 217, 0.16),
      transparent 28rem
    ),
    radial-gradient(
      circle at 8% 32%,
      rgba(31, 147, 184, 0.09),
      transparent 24rem
    ),
    var(--bg);
}
body:after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.23;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
  pointer-events: none;
}
.noise {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E");
}
a {
  color: inherit;
}
a:hover {
  color: var(--lime);
}
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}
.container {
  width: min(var(--content), calc(100% - 64px));
  margin: 0 auto;
}
.skip-link {
  position: absolute;
  left: 18px;
  top: -48px;
  z-index: 20;
  padding: 8px 12px;
  background: var(--lime);
  color: #10160d;
}
.skip-link:focus {
  top: 14px;
}
.site-header {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 8;
  border-bottom: 1px solid transparent;
  background: linear-gradient(
    to bottom,
    rgba(8, 11, 18, 0.96),
    rgba(8, 11, 18, 0.6)
  );
  backdrop-filter: blur(18px);
}
.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font:
    700 1rem/1 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-bright);
  border-radius: 50%;
  color: var(--lime);
  font-size: 0.65rem;
}
.brand-dot {
  color: var(--lime);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-link {
  position: relative;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -9px;
  height: 1px;
  background: var(--lime);
  transition: right 0.25s;
}
.nav-link:hover,
.nav-link.is-active {
  color: var(--text);
}
.nav-link.is-active:after {
  right: 0;
}
.language-toggle,
.menu-toggle {
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
  font: 600 0.72rem/1 inherit;
  padding: 9px 13px;
}
.language-toggle:hover,
.menu-toggle:hover {
  border-color: var(--lime);
  color: var(--lime);
}
.menu-toggle {
  display: none;
  font-size: 1.2rem;
  padding: 6px 10px;
}
.hero {
  min-height: 780px;
  padding-top: 180px;
  padding-bottom: 58px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 50px;
  align-items: center;
}
.hero-copy-block {
  position: relative;
  z-index: 1;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  letter-spacing: -0.055em;
  line-height: 1.06;
}
h1 {
  max-width: 710px;
  margin: 24px 0;
  font-size: clamp(3.6rem, 8vw, 7.2rem);
  font-weight: 650;
}
h2 {
  margin: 12px 0 0;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 600;
}
h3 {
  font-size: 1.25rem;
  font-weight: 600;
}
.gradient-text {
  background: linear-gradient(
    100deg,
    var(--lime),
    var(--cyan) 45%,
    var(--violet)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy {
  max-width: 560px;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 0.2s,
    border-color 0.2s,
    background 0.2s;
}
.button:hover {
  transform: translateY(-2px);
}
.button-primary {
  background: var(--lime);
  color: #10160d;
}
.button-primary:hover {
  background: #d2ff9a;
  color: #10160d;
}
.button-secondary {
  border-color: var(--line-bright);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
}
.button-secondary:hover {
  border-color: var(--lime);
  color: var(--lime);
}
.text-link {
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}
.text-link span {
  margin-left: 8px;
  color: var(--lime);
}
.hero-visual {
  min-height: 450px;
  position: relative;
  display: grid;
  place-items: center;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
}
.orb-one {
  width: 300px;
  height: 300px;
  background: radial-gradient(
    circle at 35% 30%,
    rgba(183, 243, 107, 0.42),
    rgba(65, 105, 58, 0.08) 40%,
    transparent 70%
  );
  box-shadow: 0 0 100px rgba(117, 212, 119, 0.12);
}
.orb-two {
  width: 190px;
  height: 190px;
  background: radial-gradient(
    circle at 60% 30%,
    rgba(142, 231, 255, 0.35),
    transparent 68%
  );
  transform: translate(120px, 70px);
}
.signal-card {
  position: relative;
  z-index: 2;
  width: min(400px, 100%);
  padding: 20px;
  border: 1px solid rgba(183, 243, 107, 0.32);
  border-radius: 18px;
  background: linear-gradient(
    145deg,
    rgba(18, 29, 30, 0.88),
    rgba(12, 17, 27, 0.85)
  );
  box-shadow:
    0 25px 80px rgba(0, 0, 0, 0.3),
    inset 0 1px rgba(255, 255, 255, 0.08);
  transform: rotate(-4deg);
}
.signal-top,
.signal-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--dim);
  font:
    600 0.58rem ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  letter-spacing: 0.08em;
}
.signal-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: auto;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
}
.signal-bars {
  color: var(--lime);
  font-size: 0.75rem;
}
.signal-wave {
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin: 22px 0;
}
.signal-wave i {
  display: block;
  width: 7px;
  border-radius: 8px;
  background: linear-gradient(var(--lime), var(--cyan));
  opacity: 0.85;
  animation: wave 1.4s ease-in-out infinite alternate;
}
.signal-wave i:nth-child(1),
.signal-wave i:nth-child(15) {
  height: 30px;
}
.signal-wave i:nth-child(2),
.signal-wave i:nth-child(14) {
  height: 64px;
  animation-delay: 0.1s;
}
.signal-wave i:nth-child(3),
.signal-wave i:nth-child(13) {
  height: 110px;
  animation-delay: 0.18s;
}
.signal-wave i:nth-child(4),
.signal-wave i:nth-child(12) {
  height: 80px;
  animation-delay: 0.26s;
}
.signal-wave i:nth-child(5),
.signal-wave i:nth-child(11) {
  height: 150px;
  animation-delay: 0.33s;
}
.signal-wave i:nth-child(6),
.signal-wave i:nth-child(10) {
  height: 72px;
  animation-delay: 0.42s;
}
.signal-wave i:nth-child(7),
.signal-wave i:nth-child(9) {
  height: 125px;
  animation-delay: 0.5s;
}
.signal-wave i:nth-child(8) {
  height: 55px;
  animation-delay: 0.65s;
}
@keyframes wave {
  to {
    transform: scaleY(0.55);
    opacity: 0.42;
  }
}
.signal-bottom {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.signal-bottom strong {
  color: var(--lime);
  font-size: 0.86rem;
}
.signal-bottom small {
  color: var(--muted);
  font-size: 0.58rem;
}
.orbit {
  position: absolute;
  border: 1px solid rgba(142, 231, 255, 0.22);
  border-radius: 50%;
  transform: rotate(-28deg);
}
.orbit-a {
  width: 470px;
  height: 160px;
}
.orbit-b {
  width: 500px;
  height: 230px;
  border-color: rgba(183, 243, 107, 0.13);
  transform: rotate(32deg);
}
.visual-label {
  position: absolute;
  color: var(--dim);
  font:
    600 0.58rem ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  letter-spacing: 0.14em;
}
.label-a {
  top: 20%;
  right: 5%;
}
.label-b {
  bottom: 19%;
  left: 6%;
}
.section {
  padding: 120px 0;
  position: relative;
}
.section-dark {
  background: linear-gradient(
    135deg,
    rgba(17, 23, 37, 0.86),
    rgba(8, 11, 18, 0.96)
  );
  border-block: 1px solid var(--line);
}
.section-projects {
  background: linear-gradient(180deg, var(--bg), #0d101b);
}
.section-heading {
  margin-bottom: 48px;
}
.section-heading h2 em {
  font-family: Georgia, serif;
  font-weight: 400;
  color: var(--cyan);
}
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
}
.about-lede {
  font-size: clamp(1.5rem, 2.5vw, 2.3rem);
  line-height: 1.35;
  letter-spacing: -0.04em;
}
.about-details {
  max-width: 380px;
  color: var(--muted);
  font-size: 0.98rem;
}
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 64px;
  border: 1px solid var(--line);
  background: var(--line);
}
.metric {
  padding: 28px 24px;
  background: var(--bg);
}
.metric strong {
  display: block;
  font:
    600 clamp(2.3rem, 4vw, 4rem) / 1 ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  letter-spacing: -0.08em;
}
.metric strong span {
  font-size: 0.45em;
  color: var(--lime);
  letter-spacing: -0.03em;
}
.metric small {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.72rem;
}
.timeline {
  border-top: 1px solid var(--line);
}
.timeline-item {
  padding: 38px 0;
  border-bottom: 1px solid var(--line);
}
.timeline-date {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}
.role-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.role-row h3 {
  margin: 0;
  font-size: 1.45rem;
}
.role-title {
  margin: 8px 0 18px;
  color: var(--cyan);
  font-size: 0.86rem;
}
.timeline-content > p:not(.role-title) {
  max-width: 660px;
  color: var(--muted);
  font-size: 0.94rem;
}
.research-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 12px;
}
.research-card {
  position: relative;
  min-height: 310px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(
    150deg,
    rgba(17, 23, 37, 0.82),
    rgba(13, 17, 27, 0.55)
  );
  transition:
    transform 0.25s,
    border-color 0.25s;
}
.research-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-bright);
}
.research-card.featured {
  background: radial-gradient(
      circle at 80% 10%,
      rgba(183, 243, 107, 0.12),
      transparent 15rem
    ),
    linear-gradient(150deg, #17241c, #101721);
}
.research-icon {
  margin-top: 0;
  color: var(--lime);
  font-size: 3rem;
  font-weight: 200;
}
.research-card h3 {
  margin-top: 22px;
  max-width: 240px;
}
.research-card p {
  max-width: 290px;
  color: var(--muted);
  font-size: 0.82rem;
}
.research-arrow,
.project-arrow {
  position: absolute;
  right: 25px;
  bottom: 25px;
  color: var(--lime);
  font-size: 1.2rem;
}
.project-list {
  border-top: 1px solid var(--line);
}
.project-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 30px;
  align-items: center;
  gap: 22px;
  min-height: 126px;
  border-bottom: 1px solid var(--line);
  transition:
    padding 0.25s,
    background 0.25s;
}
.project-row:hover {
  padding: 0 18px;
  background: rgba(183, 243, 107, 0.035);
}
.project-main h3 {
  margin: 0;
  font-size: 1.25rem;
}
.project-main p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}
.project-arrow {
  position: static;
  text-align: right;
}
.contact-section {
  padding: 170px 0;
  background: radial-gradient(
      circle at 65% 30%,
      rgba(155, 140, 255, 0.14),
      transparent 28rem
    ),
    #0d101a;
  border-top: 1px solid var(--line);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: end;
}
.contact-inner h2 {
  font-size: clamp(3rem, 6vw, 5.7rem);
}
.contact-action {
  max-width: 360px;
  padding-bottom: 6px;
}
.contact-action p {
  color: var(--muted);
  font-size: 0.95rem;
}
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--lime);
  font:
    600 clamp(1rem, 2vw, 1.3rem) ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  text-decoration: none;
}
.site-footer {
  border-top: 1px solid var(--line);
  color: var(--dim);
  font:
    600 0.62rem ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  letter-spacing: 0.08em;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
}
.footer-inner a {
  color: var(--muted);
  text-decoration: none;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (max-width: 860px) {
  .container {
    width: min(var(--content), calc(100% - 40px));
  }
  .site-nav {
    gap: 14px;
  }
  .nav-link {
    font-size: 0.7rem;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: auto;
    padding-top: 150px;
  }
  .hero-visual {
    min-height: 370px;
  }
  .about-grid,
  .timeline {
    margin-left: 0;
  }
  .research-grid {
    grid-template-columns: 1fr 1fr;
  }
  .research-card.featured {
    grid-column: span 2;
  }
  .project-row {
    grid-template-columns: 1fr 24px;
  }
  .section {
    padding: 110px 0;
  }
}
@media (max-width: 680px) {
  .container {
    width: calc(100% - 28px);
  }
  .header-inner {
    height: 68px;
  }
  .menu-toggle {
    display: block;
  }
  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 18px;
    background: rgba(8, 11, 18, 0.98);
    border-bottom: 1px solid var(--line);
  }
  .site-nav.is-open {
    display: flex;
  }
  .nav-link,
  .language-toggle {
    padding: 11px 3px;
    text-align: left;
  }
  .language-toggle {
    width: max-content;
  }
  .nav-link:after {
    bottom: 3px;
  }
  .hero {
    padding-top: 125px;
  }
  .hero-visual {
    min-height: 300px;
    transform: scale(0.87);
    margin: -20px -20px;
  }
  .hero-actions {
    gap: 18px;
  }
  .section-heading {
    margin-bottom: 42px;
  }
  .section-heading h2 {
    font-size: 2.7rem;
  }
  .about-grid {
    display: block;
  }
  .about-details {
    margin-top: 30px;
  }
  .metric-grid {
    grid-template-columns: 1fr 1fr;
    margin-top: 55px;
  }
  .metric {
    padding: 20px 14px;
  }
  .metric strong {
    font-size: 2rem;
  }
  .timeline-item {
    padding: 28px 0;
  }
  .role-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .research-grid {
    grid-template-columns: 1fr;
  }
  .research-card.featured {
    grid-column: auto;
  }
  .research-card {
    min-height: 260px;
  }
  .project-row {
    grid-template-columns: 1fr 20px;
    gap: 10px;
    min-height: 126px;
  }
  .project-arrow {
    grid-column: 2;
    grid-row: 1;
    text-align: right;
  }
  .contact-inner {
    display: block;
  }
  .contact-action {
    margin-top: 35px;
  }
  .footer-inner {
    flex-wrap: wrap;
    gap: 12px;
    min-height: 100px;
  }
  .footer-inner span:last-of-type {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .signal-wave i {
    animation: none;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
[data-reveal] {
  opacity: 1;
  transform: none;
  transition: none;
}
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .js-ready [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
[data-reveal] {
  opacity: 1;
  transform: none;
  transition: none;
}
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .js-ready [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
.skill-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 38px;
}
.skill-cloud span {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}
[data-reveal] {
  opacity: 1;
  transform: none;
  transition: none;
}
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .js-ready [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
.hero-video-frame {
  position: relative;
  z-index: 2;
  width: min(520px, 100%);
  overflow: hidden;
  border: 1px solid rgba(183, 243, 107, 0.35);
  border-radius: 24px;
  background: #05080d;
  box-shadow:
    0 28px 90px rgba(0, 0, 0, 0.42),
    0 0 70px rgba(142, 231, 255, 0.1);
  transform: rotate(2deg);
}
.hero-video-frame:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    135deg,
    rgba(183, 243, 107, 0.08),
    transparent 38%,
    rgba(142, 231, 255, 0.08)
  );
}
.hero-video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.08);
}
.video-caption {
  position: absolute;
  left: 18px;
  bottom: 14px;
  z-index: 2;
  color: var(--lime);
  font:
    600 0.58rem ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
  letter-spacing: 0.12em;
}
.hero-video-frame:after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  top: 16px;
  height: 1px;
  background: linear-gradient(90deg, var(--lime), transparent);
  opacity: 0.55;
}
@media (max-width: 680px) {
  .hero-video-frame {
    transform: rotate(0);
    border-radius: 18px;
  }
}
[data-reveal].hero-visual {
  display: block;
  min-height: 450px;
  overflow: hidden;
  top: -38px;
}
.hero-visual .brain-video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 450px;
  min-height: 0;
  object-fit: cover;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  transform: none;
  filter: saturate(0.9) contrast(1.06);
  visibility: hidden;
  opacity: 0;
}
.hero-visual .brain-video.is-active {
  visibility: visible;
  opacity: 1;
}
@media (max-width: 860px) {
  [data-reveal].hero-visual {
    min-height: 370px;
    top: -24px;
  }
  .hero-visual .brain-video {
    height: 370px;
  }
}
@media (max-width: 680px) {
  [data-reveal].hero-visual {
    min-height: 300px;
    margin: -20px -14px;
    top: 0;
    transform: none;
  }
  .hero-visual .brain-video {
    height: 300px;
  }
}
.brand-logo {
  display: block;
  width: 122px;
  height: auto;
  max-height: 58px;
  object-fit: contain;
}
@media (max-width: 680px) {
  .brand-logo {
    width: 104px;
    max-height: 50px;
  }
}
.gradient-text {
  padding-right: 0.06em;
}

/* Content-rich portfolio extensions */
.site-nav {
  gap: 18px;
}
.timeline-content a,
.role-row a {
  text-decoration: none;
}
.timeline-content > p {
  max-width: 760px;
}
.experience-list {
  max-width: 780px;
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.9rem;
}
.experience-list li + li {
  margin-top: 10px;
}
.compact-list {
  margin-top: 22px;
}
.portfolio-link {
  color: inherit;
  text-decoration: none;
}
.portfolio-link:hover {
  color: inherit;
}
.field-section {
  background: radial-gradient(
      circle at 82% 18%,
      rgba(142, 231, 255, 0.09),
      transparent 26rem
    ),
    linear-gradient(180deg, #0b0f18, #0f1420);
  border-block: 1px solid var(--line);
}
.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.field-card {
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(
    150deg,
    rgba(17, 23, 37, 0.9),
    rgba(13, 17, 27, 0.65)
  );
  transition:
    transform 0.25s,
    border-color 0.25s;
}
.field-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-bright);
}
.field-card-wide {
  grid-column: 1/-1;
  min-height: 280px;
  background: radial-gradient(
      circle at 86% 14%,
      rgba(183, 243, 107, 0.1),
      transparent 18rem
    ),
    linear-gradient(150deg, rgba(19, 31, 25, 0.94), rgba(13, 17, 27, 0.72));
}
.field-card h3 {
  max-width: 560px;
  margin: 0 0 16px;
  font-size: 1.45rem;
}
.field-card p {
  max-width: 720px;
  color: var(--muted);
  font-size: 0.88rem;
}
.demo-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.demo-links a {
  color: var(--cyan);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
  transition:
    color 0.2s,
    border-color 0.2s,
    background 0.2s;
}
.demo-links a:hover {
  color: var(--lime);
}
.education-stack {
  border-top: 1px solid var(--line);
}
.education-card {
  padding: 38px 0;
  border-bottom: 1px solid var(--line);
}
.education-date {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}
.education-card h3 {
  margin: 0 0 18px;
  font-size: 1.45rem;
}
.detail-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.9rem;
}
.detail-list li + li {
  margin-top: 9px;
}
.publication-groups {
  border-top: 1px solid var(--line);
}
.publication-group {
  border-bottom: 1px solid var(--line);
}
.publication-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 4px;
  cursor: pointer;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  list-style: none;
}
.publication-group summary::-webkit-details-marker {
  display: none;
}
.publication-group summary:after {
  content: "+";
  margin-left: 18px;
  color: var(--lime);
  font:
    500 1.35rem ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
}
.publication-group[open] summary:after {
  content: "−";
}
.publication-group summary strong {
  margin-left: auto;
  color: var(--dim);
  font:
    600 0.68rem ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
}
.publication-list {
  margin: 0;
  padding: 4px 10px 34px 34px;
  color: var(--muted);
  font-size: 0.86rem;
}
.publication-list li {
  padding-left: 8px;
}
.publication-list li + li {
  margin-top: 14px;
}
.publication-list a {
  color: var(--text);
  text-decoration-color: rgba(183, 243, 107, 0.4);
  text-underline-offset: 3px;
}
.publication-list strong {
  color: var(--text);
}
.patent-list {
  columns: 2;
  column-gap: 50px;
}
.patent-list li {
  break-inside: avoid;
  margin-bottom: 12px;
}
.achievement-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.achievement-card {
  min-height: 240px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(
    150deg,
    rgba(17, 23, 37, 0.82),
    rgba(13, 17, 27, 0.55)
  );
}
.achievement-card h3 {
  margin: 0 0 14px;
}
.achievement-card p {
  color: var(--muted);
  font-size: 0.86rem;
}
.achievement-card a {
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}
.skills-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.skills-card {
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(
    150deg,
    rgba(17, 23, 37, 0.82),
    rgba(13, 17, 27, 0.55)
  );
}
.skills-card-wide {
  grid-column: 1/-1;
  min-height: auto;
}
.skills-card-title {
  margin: 0;
  font-size: 1.2rem;
}
.skills-card .skill-cloud {
  margin-top: 24px;
}
.ordered-cloud span:first-child {
  border-color: rgba(183, 243, 107, 0.45);
  color: var(--lime);
}
.language-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
}
.language-row:first-of-type {
  margin-top: 20px;
}
.language-row strong {
  color: var(--text);
  font-size: 0.78rem;
  text-align: right;
}
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 26px;
}
.contact-links a {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}
.contact-links a:hover {
  color: var(--lime);
}

@media (max-width: 1000px) {
  .site-nav {
    gap: 11px;
  }
  .nav-link {
    font-size: 0.7rem;
  }
}
@media (max-width: 860px) {
}
@media (max-width: 680px) {
  .field-grid,
  .achievement-grid,
  .skills-layout {
    grid-template-columns: 1fr;
  }
  .field-card-wide {
    grid-column: auto;
  }
  .field-card {
    min-height: auto;
  }
  .education-card {
    padding: 30px 0;
  }
  .patent-list {
    columns: 1;
  }
  .skills-card-wide {
    grid-column: auto;
  }
  .publication-list {
    padding-left: 24px;
  }
  .contact-links {
    display: grid;
    gap: 12px;
  }
}