:root {
  --ink: #102533;
  --ink-soft: #4e606b;
  --navy: #0b2436;
  --navy-light: #12374e;
  --paper: #f2f0e9;
  --paper-bright: #faf9f5;
  --line: #c9d0d1;
  --line-dark: rgba(255, 255, 255, 0.18);
  --orange: #e7622a;
  --blue: #1d698b;
  --blue-pale: #d9e9ee;
  --max-width: 1240px;
  --sans: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  --mono: Consolas, "SFMono-Regular", "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: white;
  background: var(--navy);
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 78px;
  padding: 0 clamp(22px, 4vw, 64px);
  border-bottom: 1px solid rgba(16, 37, 51, 0.18);
  background: rgba(242, 240, 233, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: white;
  background: var(--navy);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.06em;
}

.brand-text {
  display: grid;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 15px;
}

.brand-text small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.14em;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(20px, 3vw, 44px);
  font-size: 13px;
  font-weight: 600;
}

.site-nav a {
  position: relative;
  padding: 27px 0 24px;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
}

.header-contact {
  padding: 10px 16px;
  border: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition:
    color 180ms ease,
    background 180ms ease;
}

.header-contact:hover {
  color: white;
  background: var(--ink);
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  gap: clamp(40px, 6vw, 100px);
  min-height: calc(100vh - 78px);
  padding: clamp(74px, 9vw, 128px) max(24px, calc((100vw - var(--max-width)) / 2));
  overflow: hidden;
  background: var(--paper-bright);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.36;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(29, 105, 139, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29, 105, 139, 0.11) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to right, black 0%, transparent 72%);
}

.hero-copy,
.hero-visual,
.hero-stats {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 0 0 28px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow span {
  color: var(--orange);
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 4.6vw, 66px);
  font-weight: 900;
  letter-spacing: -0.065em;
  line-height: 1.08;
}

.hero h1 span {
  display: block;
  color: var(--blue);
}

.hero-lead {
  max-width: 660px;
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy);
  font-size: 13px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

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

.button-primary {
  color: white;
  background: var(--navy);
  box-shadow: 5px 5px 0 var(--orange);
}

.button-primary:hover {
  box-shadow: 7px 7px 0 var(--orange);
}

.button-ghost:hover {
  background: var(--blue-pale);
}

.hero-visual {
  display: flex;
  align-items: center;
}

.hero-person {
  display: flex;
  width: fit-content;
  margin-bottom: 26px;
  align-items: center;
}

.hero-person img {
  width: 120px;
  height: 150px;
  padding: 5px;
  border: 1px solid var(--ink);
  background: var(--paper-bright);
  object-fit: cover;
  object-position: center 22%;
  filter: saturate(0.88) contrast(1.03);
  box-shadow: 7px 7px 0 var(--orange);
}

.hero-person div {
  display: grid;
  padding-left: 24px;
}

.hero-person strong {
  font-size: 26px;
  letter-spacing: -0.02em;
}

.hero-person span {
  margin-top: 3px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.hero-person small {
  margin-top: 13px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 11px;
}

.drawing-card {
  position: relative;
  width: 100%;
  padding: 22px;
  border: 1px solid rgba(16, 37, 51, 0.26);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 18px 18px 0 rgba(29, 105, 139, 0.11);
}

.drawing-card::before,
.drawing-card::after {
  position: absolute;
  width: 20px;
  height: 20px;
  content: "";
  border-color: var(--orange);
}

.drawing-card::before {
  top: -1px;
  left: -1px;
  border-top: 3px solid var(--orange);
  border-left: 3px solid var(--orange);
}

.drawing-card::after {
  right: -1px;
  bottom: -1px;
  border-right: 3px solid var(--orange);
  border-bottom: 3px solid var(--orange);
}

.drawing-meta,
.drawing-caption {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.drawing-meta {
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.drawing-card img {
  width: 100%;
  aspect-ratio: 1.45;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.drawing-caption {
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.drawing-index {
  position: absolute;
  top: -24px;
  right: 0;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
}

.hero-stats {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, 1fr);
  align-self: end;
  margin-top: 20px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.stat {
  display: grid;
  min-height: 106px;
  padding: 20px clamp(14px, 2vw, 28px);
  align-content: center;
  border-right: 1px solid var(--line);
}

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

.stat strong {
  font-family: var(--mono);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1;
}

.stat span {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 12px;
}

.stat-text strong {
  color: var(--blue);
  font-size: clamp(18px, 2vw, 28px);
  letter-spacing: -0.05em;
}

.signal-bar {
  display: flex;
  min-height: 54px;
  padding: 12px 24px;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 3vw, 42px);
  color: white;
  background: var(--navy);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.signal-bar i {
  width: 4px;
  height: 4px;
  background: var(--orange);
  transform: rotate(45deg);
}

.profile {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: clamp(60px, 9vw, 130px);
  align-items: center;
  justify-content: center;
  background: #e7e9e5;
}

.profile-portrait {
  position: relative;
}

.portrait-frame {
  position: relative;
  padding: 14px;
  border: 1px solid rgba(16, 37, 51, 0.34);
  background: var(--paper-bright);
  box-shadow: 16px 16px 0 rgba(29, 105, 139, 0.14);
}

.portrait-frame::before,
.portrait-frame::after {
  position: absolute;
  z-index: 1;
  width: 24px;
  height: 24px;
  content: "";
  border-color: var(--orange);
}

.portrait-frame::before {
  top: -1px;
  left: -1px;
  border-top: 3px solid var(--orange);
  border-left: 3px solid var(--orange);
}

.portrait-frame::after {
  right: -1px;
  bottom: -1px;
  border-right: 3px solid var(--orange);
  border-bottom: 3px solid var(--orange);
}

.portrait-frame img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  object-position: center 24%;
  filter: saturate(0.9) contrast(1.03);
}

.portrait-code {
  position: absolute;
  right: 26px;
  bottom: 24px;
  padding: 5px 8px;
  color: white;
  background: rgba(11, 36, 54, 0.82);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.portrait-caption {
  display: flex;
  margin-top: 26px;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
}

.portrait-caption span:last-child {
  color: var(--blue);
}

.profile-content {
  max-width: 690px;
}

.profile-content h2 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(36px, 4.2vw, 58px);
  letter-spacing: -0.055em;
  line-height: 1.22;
}

.profile-lead {
  margin: 32px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2;
}

.profile-content blockquote {
  margin: 34px 0;
  padding: 18px 0 18px 24px;
  border-left: 3px solid var(--orange);
  color: var(--blue);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.8;
}

.profile-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  border-top: 1px solid var(--ink);
}

.profile-facts > div {
  padding: 18px 16px 18px 0;
  border-bottom: 1px solid var(--line);
}

.profile-facts dt {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.profile-facts dd {
  margin: 5px 0 0;
  font-size: 13px;
  font-weight: 600;
}

.section {
  padding: clamp(88px, 10vw, 150px) max(24px, calc((100vw - var(--max-width)) / 2));
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.46fr);
  gap: 60px;
  margin-bottom: clamp(48px, 6vw, 84px);
  align-items: end;
}

.section-heading .eyebrow {
  margin-bottom: 16px;
}

.section-heading h2,
.patent-summary h2,
.contact h2 {
  margin: 0;
  font-size: clamp(34px, 4.5vw, 62px);
  letter-spacing: -0.055em;
  line-height: 1.16;
}

.section-heading > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.9;
}

.projects {
  background: var(--paper);
}

.project {
  border: 1px solid var(--line);
  background: var(--paper-bright);
}

.project-featured {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
}

.project-visual {
  position: relative;
  display: grid;
  min-height: 390px;
  padding: clamp(28px, 4vw, 58px);
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    var(--navy);
  background-size: 28px 28px;
}

.project-visual img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  filter: saturate(0.86) contrast(1.06);
  transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

.project-number {
  position: absolute;
  top: 18px;
  right: 20px;
  color: rgba(255, 255, 255, 0.48);
  font-family: var(--mono);
  font-size: 11px;
}

.project-content {
  padding: clamp(30px, 5vw, 68px);
}

.project-topline {
  display: flex;
  margin-bottom: 20px;
  justify-content: space-between;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.project h3 {
  margin: 0;
  font-size: clamp(24px, 2.5vw, 38px);
  letter-spacing: -0.04em;
  line-height: 1.3;
}

.project-subtitle {
  margin: 8px 0 24px;
  color: var(--blue);
  font-weight: 600;
}

.project-content > p:not(.project-subtitle) {
  color: var(--ink-soft);
  font-size: 14px;
}

.project-points {
  margin: 24px 0;
  padding: 18px 0 18px 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 28px;
}

.tags span {
  padding: 5px 9px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.03em;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.project-card .project-visual {
  min-height: 300px;
}

.project-card .project-content {
  padding: 30px;
}

.project-card h3 {
  font-size: 26px;
}

.project-visual-light img {
  padding: 10px;
  background: white;
}

.capabilities {
  color: white;
  background: var(--navy);
}

.section-heading-inverse > p {
  color: rgba(255, 255, 255, 0.66);
}

.section-heading-inverse .eyebrow {
  color: #74b0c9;
}

.capability-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.capability-step {
  position: relative;
  min-height: 220px;
  padding: 26px 22px;
  border-right: 1px solid var(--line-dark);
  transition:
    background 200ms ease,
    transform 200ms ease;
}

.capability-step:last-child {
  border-right: 0;
}

.capability-step:hover {
  z-index: 1;
  background: var(--navy-light);
  transform: translateY(-8px);
}

.capability-step > span {
  display: block;
  margin-bottom: 54px;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 11px;
}

.capability-step h3 {
  margin: 0;
  font-size: 18px;
}

.capability-step p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  line-height: 1.7;
}

.capability-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 34px;
}

.capability-notes p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.8;
}

.capability-notes span {
  display: block;
  margin-bottom: 6px;
  color: white;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
}

.experience {
  background: var(--paper-bright);
}

.timeline {
  position: relative;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 183px;
  width: 1px;
  content: "";
  background: var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 160px 46px 1fr;
  min-height: 156px;
}

.timeline-date {
  padding-top: 5px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
}

.timeline-marker {
  position: relative;
}

.timeline-marker::before {
  position: absolute;
  z-index: 1;
  top: 6px;
  left: 18px;
  width: 11px;
  height: 11px;
  content: "";
  border: 3px solid var(--paper-bright);
  background: var(--orange);
  box-shadow: 0 0 0 1px var(--orange);
}

.timeline-content {
  max-width: 720px;
  padding: 0 0 48px 28px;
  border-bottom: 1px solid var(--line);
}

.timeline-item:last-child .timeline-content {
  border-bottom: 0;
}

.timeline-content h3 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.timeline-content .role {
  margin: 4px 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}

.timeline-content > p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.credentials {
  background: var(--paper);
}

.credential-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(360px, 0.74fr) minmax(0, 1fr);
  border: 1px solid var(--ink);
  background: var(--paper-bright);
  box-shadow: 14px 14px 0 rgba(29, 105, 139, 0.12);
}

.credential-card::before,
.credential-card::after {
  position: absolute;
  z-index: 1;
  width: 26px;
  height: 26px;
  content: "";
  border-color: var(--orange);
}

.credential-card::before {
  top: -1px;
  left: -1px;
  border-top: 4px solid var(--orange);
  border-left: 4px solid var(--orange);
}

.credential-card::after {
  right: -1px;
  bottom: -1px;
  border-right: 4px solid var(--orange);
  border-bottom: 4px solid var(--orange);
}

.credential-document {
  display: grid;
  margin: 0;
  padding: clamp(28px, 4vw, 48px);
  place-items: center;
  border-right: 1px solid var(--line);
  color: white;
  background: var(--navy);
}

.credential-document a {
  display: block;
  width: min(100%, 390px);
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: white;
  box-shadow: 12px 12px 0 rgba(255, 255, 255, 0.08);
  transition: transform 200ms ease;
}

.credential-document a:hover {
  transform: translateY(-5px);
}

.credential-document img {
  width: 100%;
  height: auto;
}

.credential-document figcaption {
  width: min(100%, 390px);
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 10px;
  line-height: 1.8;
}

.credential-document figcaption span {
  display: block;
  margin-bottom: 4px;
  color: white;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.credential-content {
  display: flex;
  padding: clamp(38px, 6vw, 76px);
  flex-direction: column;
  justify-content: center;
}

.credential-kicker {
  margin: 0 0 8px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.credential-content h3 {
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  letter-spacing: -0.05em;
  line-height: 1.2;
}

.credential-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 28px;
  margin: 34px 0 0;
  border-top: 1px solid var(--ink);
}

.credential-facts > div {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.credential-facts dt {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.credential-facts dd {
  margin: 5px 0 0;
  font-size: 13px;
  font-weight: 700;
}

.credential-verify {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  margin-top: 42px;
  padding: 26px;
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(217, 233, 238, 0.54);
}

.verify-status {
  display: flex;
  gap: 9px;
  align-items: center;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}

.verify-status i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #30a456;
  box-shadow: 0 0 0 5px rgba(48, 164, 86, 0.12);
}

.credential-verify p {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.8;
}

.patents {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(440px, 1fr);
  gap: clamp(60px, 9vw, 130px);
  background: #e4e7e4;
}

.patent-summary {
  position: sticky;
  top: 130px;
  align-self: start;
}

.patent-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 54px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.patent-numbers > div {
  display: grid;
  padding: 22px 12px;
  border-right: 1px solid var(--line);
}

.patent-numbers > div:last-child {
  border-right: 0;
}

.patent-numbers strong {
  font-family: var(--mono);
  font-size: 28px;
}

.patent-numbers span {
  color: var(--ink-soft);
  font-size: 10px;
}

.patent-list {
  border-top: 1px solid var(--ink);
}

.result-group + .result-group {
  margin-top: 58px;
}

.result-group-heading {
  display: flex;
  min-height: 92px;
  padding: 20px 0;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ink);
}

.result-group-heading > div {
  display: flex;
  gap: 14px;
  align-items: baseline;
}

.result-group-heading span {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 10px;
}

.result-group-heading h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.result-group-heading small {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
}

.patent-list article {
  position: relative;
  padding: 28px 42px 28px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 180ms ease;
}

.patent-list article a {
  display: block;
}

.result-group:not(.publications) article::after {
  position: absolute;
  top: 50%;
  right: 4px;
  content: "↗";
  color: var(--orange);
  transform: translateY(-50%);
}

.result-group:not(.publications) article:hover {
  padding-left: 12px;
}

.result-topline {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.result-topline span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
}

.result-topline em {
  padding: 3px 7px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 8px;
  font-style: normal;
  letter-spacing: 0.04em;
}

.patent-list h3 {
  margin: 8px 0 3px;
  font-size: 17px;
  line-height: 1.55;
}

.patent-list p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.publications article {
  padding-right: 0;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(350px, 0.55fr);
  gap: 70px;
  padding: clamp(88px, 10vw, 145px) max(24px, calc((100vw - var(--max-width)) / 2));
  color: white;
  background: var(--blue);
}

.contact .eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.contact-copy > p:last-child {
  max-width: 630px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.contact-panel {
  display: grid;
  min-height: 260px;
  padding: 34px;
  align-content: center;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: rgba(8, 39, 55, 0.16);
}

.contact-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.contact-panel strong {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: clamp(18px, 2vw, 28px);
}

.contact-panel p {
  margin: 8px 0 30px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
}

.contact-status {
  display: flex;
  gap: 9px;
  align-items: center;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.contact-status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #75e08d;
  box-shadow: 0 0 0 5px rgba(117, 224, 141, 0.12);
}

footer {
  display: flex;
  min-height: 74px;
  padding: 0 max(24px, calc((100vw - var(--max-width)) / 2));
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.58);
  background: var(--navy);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

@media (max-width: 1000px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .site-nav,
  .header-contact {
    display: none;
  }

  .nav-toggle {
    display: grid;
    width: 42px;
    height: 42px;
    padding: 0;
    place-content: center;
    gap: 6px;
    border: 1px solid var(--ink);
    background: transparent;
  }

  .nav-toggle span {
    display: block;
    width: 18px;
    height: 1px;
    background: var(--ink);
    transition: transform 180ms ease;
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .site-nav.is-open {
    position: fixed;
    inset: 78px 0 0;
    display: grid;
    padding: 50px 28px;
    align-content: start;
    gap: 0;
    background: var(--paper-bright);
  }

  .site-nav.is-open a {
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
    font-size: 20px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

  .hero-visual {
    max-width: 700px;
  }

  .profile {
    grid-template-columns: minmax(280px, 340px) 1fr;
    gap: 54px;
  }

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

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

  .capability-step {
    border-bottom: 1px solid var(--line-dark);
  }

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

  .credential-card {
    grid-template-columns: minmax(320px, 0.7fr) minmax(0, 1fr);
  }

  .credential-verify {
    grid-template-columns: 1fr;
  }

  .patent-summary {
    position: static;
  }
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: 72px;
  }

  .site-header {
    min-height: 70px;
    padding: 0 18px;
  }

  .brand-text small {
    display: none;
  }

  .site-nav.is-open {
    inset: 70px 0 0;
  }

  .hero {
    gap: 52px;
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .hero h1 {
    font-size: clamp(38px, 11.5vw, 54px);
  }

  .hero-lead {
    font-size: 15px;
  }

  .drawing-card {
    padding: 14px;
    box-shadow: 10px 10px 0 rgba(29, 105, 139, 0.11);
  }

  .drawing-caption {
    flex-wrap: wrap;
  }

  .hero-person {
    margin-bottom: 22px;
  }

  .hero-person img {
    width: 92px;
    height: 115px;
    padding: 4px;
    box-shadow: 5px 5px 0 var(--orange);
  }

  .hero-person div {
    padding-left: 19px;
  }

  .hero-person strong {
    font-size: 20px;
  }

  .hero-person span {
    font-size: 8px;
  }

  .hero-person small {
    margin-top: 9px;
    padding-top: 7px;
    font-size: 9px;
  }

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

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

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

  .signal-bar {
    justify-content: flex-start;
    overflow-x: auto;
    white-space: nowrap;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

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

  .profile-portrait {
    width: 100%;
    max-width: 390px;
  }

  .portrait-frame img {
    height: 320px;
    object-position: center 24%;
  }

  .profile-facts {
    grid-template-columns: 1fr;
  }

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

  .project-visual,
  .project-card .project-visual {
    min-height: 250px;
  }

  .project-content,
  .project-card .project-content {
    padding: 28px 22px;
  }

  .capability-flow {
    grid-template-columns: 1fr;
  }

  .capability-step {
    min-height: 0;
    border-right: 0;
  }

  .capability-step > span {
    margin-bottom: 26px;
  }

  .capability-notes {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 9px;
  }

  .timeline-item {
    grid-template-columns: 28px 1fr;
  }

  .timeline-date {
    grid-column: 2;
    margin-bottom: 8px;
  }

  .timeline-marker {
    grid-row: 1 / span 2;
    grid-column: 1;
  }

  .timeline-marker::before {
    left: 4px;
  }

  .timeline-content {
    grid-column: 2;
    padding: 0 0 42px;
  }

  .credential-card {
    grid-template-columns: 1fr;
    box-shadow: 9px 9px 0 rgba(29, 105, 139, 0.12);
  }

  .credential-document {
    padding: 30px 24px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .credential-document a,
  .credential-document figcaption {
    width: min(100%, 340px);
  }

  .credential-content {
    padding: 32px 24px;
  }

  .credential-facts {
    grid-template-columns: 1fr;
  }

  .credential-verify {
    grid-template-columns: 1fr;
    margin-top: 30px;
    padding: 24px 20px;
  }

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

  .patent-numbers {
    grid-template-columns: 1fr;
  }

  .patent-numbers > div {
    grid-template-columns: auto 1fr;
    gap: 14px;
    align-items: baseline;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .patent-numbers > div:last-child {
    border-bottom: 0;
  }

  .contact {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  footer {
    display: grid;
    padding-top: 20px;
    padding-bottom: 20px;
    gap: 6px;
  }
}

@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;
  }
}