:root {
  color-scheme: dark;
  --bg: #071012;
  --bg-deep: #040a0c;
  --surface: #0d191c;
  --surface-raised: #122327;
  --surface-soft: #162b2f;
  --line: rgba(169, 219, 211, 0.16);
  --line-strong: rgba(169, 219, 211, 0.3);
  --text: #edf5f3;
  --muted: #92a8a8;
  --teal: #a9dbd3;
  --teal-dark: #2d3c40;
  --sage: #8aa899;
  --red: #c72026;
  --orange: #f15523;
  --gold: #fbab19;
  --content: 1180px;
  --nav-height: 80px;
  --radius: 18px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 78% -10%, rgba(45, 60, 64, 0.6), transparent 32rem),
    linear-gradient(180deg, var(--bg-deep), var(--bg) 28rem);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(169, 219, 211, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 219, 211, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  content: "";
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

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

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

::selection {
  background: rgba(241, 85, 35, 0.8);
  color: white;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-150%);
}

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

.shell {
  width: min(calc(100% - 40px), var(--content));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  border-bottom: 1px solid transparent;
  background: rgba(4, 10, 12, 0.74);
  backdrop-filter: blur(20px) saturate(150%);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(4, 10, 12, 0.92);
}

.nav {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  text-decoration: none;
}

.brand img {
  width: 178px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  position: relative;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 160ms ease;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--gold));
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-contact {
  padding: 10px 16px;
  border: 1px solid rgba(241, 85, 35, 0.62);
  border-radius: 999px;
  color: var(--text) !important;
}

.nav-contact::after {
  display: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin-block: 5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px;
  color: var(--teal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 38px;
  height: 1px;
  background: linear-gradient(90deg, var(--orange), var(--gold));
  content: "";
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: -0.035em;
  line-height: 1.08;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(3rem, 6vw, 6.25rem);
  font-weight: 740;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2.15rem, 4vw, 3.8rem);
  font-weight: 700;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
  font-weight: 700;
}

.gradient-text {
  background: linear-gradient(100deg, var(--orange) 5%, var(--gold) 90%);
  background-clip: text;
  color: transparent;
}

.lede {
  max-width: 720px;
  color: #b7c7c6;
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  line-height: 1.75;
}

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

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button-primary {
  background: linear-gradient(110deg, var(--red), var(--orange));
  box-shadow: 0 14px 40px rgba(199, 32, 38, 0.24);
  color: white;
}

.button-primary:hover {
  box-shadow: 0 18px 48px rgba(241, 85, 35, 0.32);
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(169, 219, 211, 0.04);
  color: var(--text);
}

.button-secondary:hover {
  border-color: var(--teal);
  background: rgba(169, 219, 211, 0.08);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-size: 0.86rem;
  font-weight: 720;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.text-link::after {
  content: "↗";
  transition: transform 160ms ease;
}

.text-link:hover::after {
  transform: translate(2px, -2px);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - var(--nav-height));
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.98fr);
  align-items: center;
  gap: clamp(28px, 5vw, 80px);
  padding-block: 72px 96px;
  overflow: hidden;
}

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

.hero h1 {
  max-width: 760px;
  font-size: clamp(3.25rem, 6.6vw, 6.75rem);
}

.hero-visual {
  position: relative;
  min-height: 600px;
  isolation: isolate;
}

.hero-visual::before,
.hero-visual::after {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(46vw, 620px);
  aspect-ratio: 1.55;
  border: 1px solid rgba(169, 219, 211, 0.22);
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%) rotate(-17deg);
}

.hero-visual::after {
  width: min(34vw, 460px);
  border-color: rgba(241, 85, 35, 0.35);
  box-shadow: 0 0 80px rgba(199, 32, 38, 0.18), inset 0 0 60px rgba(169, 219, 211, 0.06);
  transform: translate(-50%, -50%) rotate(14deg);
}

.hero-visual img {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: min(58vw, 770px);
  max-width: none;
  opacity: 0.82;
  filter: drop-shadow(0 36px 70px rgba(0, 0, 0, 0.58));
  transform: translate(-50%, -50%) rotate(-2deg);
}

.data-readout {
  position: absolute;
  right: 0;
  bottom: 9%;
  z-index: 3;
  width: min(300px, 78%);
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(7, 16, 18, 0.74);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.data-readout strong {
  display: block;
  margin-bottom: 8px;
  color: var(--teal);
  font-weight: 700;
  text-transform: uppercase;
}

.data-readout span {
  color: var(--gold);
}

.section {
  padding-block: clamp(76px, 10vw, 132px);
}

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

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(300px, 0.55fr);
  justify-content: space-between;
  align-items: end;
  gap: 48px;
  margin-bottom: 52px;
}

.section-heading p:last-child {
  margin-bottom: 0;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric {
  padding: 30px clamp(20px, 3vw, 38px);
  border-right: 1px solid var(--line);
}

.metric:first-child {
  padding-left: 0;
}

.metric:last-child {
  border-right: 0;
}

.metric strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.metric span {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  position: relative;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(18, 35, 39, 0.8), rgba(9, 20, 22, 0.88));
  overflow: hidden;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  content: "";
  opacity: 0.35;
}

.card:hover {
  border-color: var(--line-strong);
  background: linear-gradient(145deg, rgba(22, 43, 47, 0.9), rgba(9, 20, 22, 0.94));
  transform: translateY(-4px);
}

.card-number {
  display: block;
  margin-bottom: 48px;
  color: var(--orange);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li,
.tag {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--teal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.92fr);
  gap: 22px;
}

.feature-card {
  position: relative;
  min-height: 500px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.feature-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease, filter 500ms ease;
}

.feature-card:hover img {
  transform: scale(1.025);
}

.feature-overlay {
  position: absolute;
  inset: auto 0 0;
  padding: 80px 30px 28px;
  background: linear-gradient(transparent, rgba(4, 10, 12, 0.94) 60%);
}

.feature-overlay p {
  max-width: 620px;
  margin-bottom: 0;
  color: #b3c4c3;
}

.feature-stack {
  display: grid;
  gap: 22px;
}

.feature-stack .feature-card {
  min-height: 239px;
}

.feature-stack .feature-card img {
  filter: saturate(0.82) brightness(0.74);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(42px, 8vw, 112px);
  align-items: start;
}

.profile-panel {
  position: sticky;
  top: calc(var(--nav-height) + 34px);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.profile-mark {
  width: 88px;
  margin-bottom: 24px;
  border-radius: 50%;
}

.profile-links {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.profile-links a {
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 700;
}

.credential-list {
  display: grid;
  gap: 16px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.credential-list li {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.credential-list strong {
  color: var(--orange);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.timeline {
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 26px;
  padding: 0 0 34px 24px;
  border-left: 1px solid var(--line-strong);
}

.timeline li::before {
  position: absolute;
  top: 4px;
  left: -5px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--bg);
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 1px var(--orange);
  content: "";
}

.timeline time {
  color: var(--teal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

.timeline h3 {
  margin-bottom: 6px;
}

.timeline p {
  margin-bottom: 0;
  color: var(--muted);
}

.cta-band {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 40px;
  padding: clamp(36px, 6vw, 68px);
  border: 1px solid rgba(241, 85, 35, 0.36);
  border-radius: calc(var(--radius) + 6px);
  background:
    radial-gradient(circle at 95% 0%, rgba(241, 85, 35, 0.24), transparent 24rem),
    linear-gradient(140deg, rgba(18, 35, 39, 0.96), rgba(9, 18, 20, 0.96));
  overflow: hidden;
}

.cta-band::after {
  position: absolute;
  top: -65%;
  right: -8%;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(251, 171, 25, 0.28);
  border-radius: 50%;
  content: "";
}

.cta-band h2 {
  max-width: 700px;
  margin-bottom: 0;
}

.page-hero {
  position: relative;
  padding-block: clamp(90px, 13vw, 168px) clamp(70px, 9vw, 112px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-hero::after {
  position: absolute;
  top: 8%;
  right: -8%;
  width: min(46vw, 620px);
  aspect-ratio: 1.5;
  border: 1px solid rgba(169, 219, 211, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 100px rgba(45, 60, 64, 0.45);
  content: "";
  transform: rotate(-16deg);
}

.page-hero h1 {
  max-width: 960px;
}

.page-hero .lede {
  max-width: 780px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.service-card {
  min-height: 330px;
  padding: clamp(28px, 4vw, 46px);
}

.service-card .card-number {
  margin-bottom: 70px;
}

.service-card h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  overflow: hidden;
}

.process-step {
  min-height: 260px;
  padding: 28px;
  background: var(--surface);
}

.process-step span {
  display: block;
  margin-bottom: 74px;
  color: var(--orange);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.7rem;
}

.tool-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--line);
  overflow: hidden;
}

.tool-strip span {
  flex: 1 1 150px;
  padding: 18px 20px;
  background: var(--surface);
  color: var(--teal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.72rem;
  text-align: center;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.research-project {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.research-project-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}

.research-project-wide {
  grid-column: 1 / -1;
}

.research-video {
  border-bottom: 1px solid var(--line);
  background: #090a12;
  overflow: hidden;
}

.research-video video {
  display: block;
  width: 100%;
  aspect-ratio: 1794 / 620;
  background: #090a12;
  color-scheme: dark;
  object-fit: contain;
}

.research-figure {
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}

.research-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.research-project-wide .research-body {
  max-width: 1040px;
}

.research-image {
  min-height: 360px;
  background: #dfe7e5;
  overflow: hidden;
}

.research-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.research-project:hover .research-image img {
  transform: scale(1.025);
}

.research-body {
  padding: clamp(28px, 4vw, 44px);
}

.research-body .eyebrow {
  margin-bottom: 30px;
}

.figure-note {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
}

.interest-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 40px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.interest-list li {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.interest-list strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
}

.interest-list span {
  color: var(--muted);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 38px;
}

.filter-button {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.filter-button:hover,
.filter-button.is-active {
  border-color: var(--orange);
  background: rgba(241, 85, 35, 0.08);
  color: var(--text);
}

.publication-group {
  margin-bottom: 70px;
}

.publication-group > h2 {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.publication-count {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.publication-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.publication-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.publication-item[hidden],
.publication-group[hidden] {
  display: none;
}

.publication-year {
  color: var(--orange);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 700;
}

.publication-title {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 680;
  line-height: 1.45;
}

.publication-meta {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.publication-link {
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 720;
  white-space: nowrap;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1.22fr);
  gap: clamp(46px, 8vw, 112px);
}

.contact-methods {
  display: grid;
  gap: 14px;
  margin-top: 36px;
}

.contact-method {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(169, 219, 211, 0.025);
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease;
}

.contact-method:hover {
  border-color: var(--line-strong);
  background: rgba(169, 219, 211, 0.06);
}

.contact-method span {
  display: block;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-method strong {
  color: var(--teal);
  font-size: 0.92rem;
}

.contact-form {
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(18, 35, 39, 0.86), rgba(8, 17, 19, 0.96));
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field-wide {
  grid-column: 1 / -1;
}

.form-field-trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-field label {
  color: var(--teal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  background: rgba(4, 10, 12, 0.68);
  color: var(--text);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.form-field input,
.form-field select {
  height: 52px;
  padding: 0 15px;
}

.form-field textarea {
  min-height: 170px;
  padding: 14px 15px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(169, 219, 211, 0.08);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
}

.form-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.form-actions .button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.site-footer {
  margin-top: clamp(80px, 10vw, 140px);
  border-top: 1px solid var(--line);
  background: rgba(4, 10, 12, 0.7);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 56px;
  padding-block: 58px 42px;
}

.footer-brand img {
  width: 150px;
  margin-bottom: 18px;
  opacity: 0.85;
}

.footer-brand p {
  max-width: 480px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(110px, 1fr));
  gap: 12px 36px;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--teal);
}

.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 20px 28px;
  border-top: 1px solid var(--line);
  color: #6f8586;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.64rem;
  letter-spacing: 0.04em;
}

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  :root {
    --nav-height: 70px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: var(--nav-height);
    right: 20px;
    left: 20px;
    display: none;
    align-items: stretch;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(7, 16, 18, 0.98);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: grid;
  }

  .nav-links a {
    padding: 10px 4px;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 90px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    min-height: 500px;
  }

  .hero-visual img {
    width: min(92vw, 720px);
  }

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

  .section-heading {
    gap: 12px;
  }

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

  .metric:nth-child(2) {
    border-right: 0;
  }

  .metric:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .metric:nth-child(3) {
    padding-left: 0;
  }

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

  .card-grid .card:last-child {
    grid-column: 1 / -1;
  }

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

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

  .profile-panel {
    position: static;
  }

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

  .research-project-featured {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    gap: 56px;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(calc(100% - 28px), var(--content));
  }

  .brand img {
    width: 150px;
  }

  h1,
  .hero h1 {
    font-size: clamp(2.75rem, 14vw, 4.6rem);
  }

  .hero {
    padding-block: 72px 60px;
  }

  .hero-visual {
    min-height: 390px;
  }

  .data-readout {
    right: 0;
    bottom: 0;
  }

  .metrics,
  .card-grid,
  .feature-stack,
  .service-grid,
  .process-grid,
  .research-grid,
  .interest-list,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .metric,
  .metric:first-child,
  .metric:nth-child(3) {
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric:last-child {
    border-bottom: 0;
  }

  .card-grid .card:last-child,
  .research-project-featured,
  .research-project-wide {
    grid-column: auto;
  }

  .feature-card,
  .feature-stack .feature-card {
    min-height: 390px;
  }

  .cta-band {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .credential-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .publication-item {
    grid-template-columns: 52px 1fr;
    gap: 14px;
  }

  .publication-link {
    grid-column: 2;
  }

  .form-field-wide {
    grid-column: auto;
  }

  .form-actions,
  .footer-main,
  .footer-legal {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-main {
    display: grid;
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

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