:root {
  --ink: #111516;
  --ink-soft: #202829;
  --paper: #f4f7f6;
  --white: #ffffff;
  --line: #cad2d0;
  --line-dark: #344140;
  --muted: #677270;
  --mint: #8ee8c5;
  --teal: #26a986;
  --blue: #4b8dff;
  --amber: #f3ba55;
  --coral: #ef735f;
  --header-height: 72px;
  --shell: 1240px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.dialog-open {
  overflow: hidden;
}

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

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

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

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

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

h1,
h2,
h3,
strong {
  font-weight: 620;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 10px;
  left: 10px;
  padding: 8px 12px;
  background: var(--white);
  color: var(--ink);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 42px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  transition:
    background-color 220ms ease,
    border-color 220ms ease,
    color 220ms ease;
}

.site-header.is-scrolled,
.site-header.menu-active {
  background: rgba(244, 247, 246, 0.96);
  color: var(--ink);
  border-color: var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  display: block;
  flex: 0 0 auto;
  box-sizing: border-box;
  width: 50px;
  height: auto;
  margin-right: 11px;
  padding: 2px 3px;
  background: #f8faf9;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

.brand-cn {
  margin-left: 12px;
  padding-left: 12px;
  color: currentColor;
  border-left: 1px solid currentColor;
  font-size: 12px;
  line-height: 16px;
  opacity: 0.66;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 36px;
  font-size: 14px;
}

.desktop-nav a {
  position: relative;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
}

.header-contact {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.header-contact span:last-child {
  color: var(--mint);
  font-size: 18px;
  transition: transform 180ms ease;
}

.site-header.is-scrolled .header-contact span:last-child,
.site-header.menu-active .header-contact span:last-child {
  color: var(--teal);
}

.header-contact:hover span:last-child {
  transform: translate(3px, -3px);
}

.menu-toggle,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 680px;
  height: 84svh;
  max-height: 920px;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.hero::after {
  position: absolute;
  right: 7%;
  bottom: 0;
  width: 1px;
  height: 34%;
  background: rgba(255, 255, 255, 0.22);
  content: "";
}

.hero-canvas,
.hero-noise {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-canvas {
  opacity: 0.95;
}

.hero-noise {
  pointer-events: none;
  border: 0 solid rgba(255, 255, 255, 0.06);
  border-left-width: 1px;
  left: 7%;
  width: 86%;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(var(--shell), calc(100% - 96px));
  height: 100%;
  margin: 0 auto;
  padding-top: 19vh;
}

.eyebrow {
  margin-bottom: 24px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-eyebrow {
  color: var(--mint);
}

.hero h1 {
  width: 760px;
  max-width: 76%;
  margin-bottom: 28px;
  font-size: 58px;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
  margin-bottom: 6px;
  color: var(--mint);
  font-size: 94px;
  font-weight: 720;
  line-height: 0.95;
}

.hero-lead {
  width: 600px;
  max-width: 66%;
  margin-bottom: 38px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 20px;
  line-height: 1.65;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 186px;
  height: 50px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 620;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

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

.button-primary {
  background: var(--mint);
  color: var(--ink);
}

.button-primary:hover {
  background: var(--white);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.button-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.button span {
  margin-left: 24px;
  font-size: 18px;
}

.hero-principles {
  position: absolute;
  z-index: 2;
  right: 7%;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(3, 150px);
  color: var(--white);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-principles div {
  min-height: 104px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-principles span {
  margin-bottom: 10px;
  color: var(--mint);
  font-size: 11px;
}

.hero-principles strong {
  font-size: 14px;
}

.section {
  padding: 120px 0;
}

.section-shell {
  width: min(var(--shell), calc(100% - 96px));
  margin: 0 auto;
}

.section-index {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.thesis {
  min-height: 590px;
  display: flex;
  align-items: center;
  background: var(--white);
}

.thesis-grid {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) 3.2fr;
  gap: 48px;
}

.thesis-copy {
  max-width: 900px;
}

.thesis-copy h2 {
  margin-bottom: 30px;
  font-size: 60px;
  line-height: 1.12;
  letter-spacing: 0;
}

.thesis-copy > p:last-child {
  width: 690px;
  max-width: 100%;
  margin: 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.9;
}

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

.section-heading {
  display: grid;
  grid-template-columns: 1.55fr 0.75fr;
  align-items: end;
  gap: 80px;
  margin-bottom: 76px;
}

.section-heading h2 {
  max-width: 760px;
  margin: 0;
  font-size: 48px;
  line-height: 1.2;
  letter-spacing: 0;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.technology-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 70px;
  align-items: start;
}

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

.principle {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.principle-number {
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
}

.principle h3 {
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.35;
}

.principle p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.architecture-figure {
  margin: 0;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.figure-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 11px;
}

.figure-label span:first-child {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.architecture-figure img {
  width: 100%;
  aspect-ratio: 1.95 / 1;
  object-fit: contain;
  background: #f8faf9;
}

.architecture-figure figcaption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.section-dark {
  background: var(--ink);
  color: var(--white);
}

.section-dark .eyebrow {
  color: var(--mint);
}

.evidence-heading > p {
  color: rgba(255, 255, 255, 0.62);
}

.evidence-stage {
  border-top: 1px solid var(--line-dark);
}

.evidence-tabs {
  display: flex;
  gap: 6px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-dark);
}

.evidence-tabs button {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  background: transparent;
  color: rgba(255, 255, 255, 0.62);
  cursor: pointer;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.evidence-tabs button span {
  margin-right: 16px;
  font-size: 10px;
}

.evidence-tabs button[aria-selected="true"] {
  border-color: var(--mint);
  background: var(--mint);
  color: var(--ink);
}

.evidence-panel {
  display: grid;
  grid-template-columns: 1.6fr 0.7fr;
  gap: 60px;
  align-items: center;
  min-height: 560px;
  padding: 56px 0 0;
}

.evidence-panel[hidden] {
  display: none;
}

.evidence-image {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: 6px;
  background: var(--white);
  cursor: zoom-in;
}

.evidence-image img {
  width: 100%;
  height: 480px;
  padding: 20px;
  object-fit: contain;
  transition: transform 240ms ease;
}

.evidence-image > span {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(17, 21, 22, 0.2);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 22px;
}

.evidence-image:hover img {
  transform: scale(1.015);
}

.evidence-copy {
  padding-right: 24px;
}

.evidence-kicker {
  margin-bottom: 18px;
  color: var(--amber);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.evidence-copy h3 {
  margin-bottom: 20px;
  font-size: 31px;
  line-height: 1.32;
}

.evidence-copy > p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 15px;
  line-height: 1.85;
}

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

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.capability {
  position: relative;
  min-height: 410px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.capability-explain {
  background: #e5f6ef;
}

.capability-predict {
  background: #eaf1ff;
}

.capability-design {
  background: #fff2df;
}

.capability-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 112px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.capability-top span:last-child {
  font-size: 18px;
}

.capability h3 {
  max-width: 310px;
  margin-bottom: 16px;
  font-size: 26px;
  line-height: 1.35;
}

.capability p {
  max-width: 330px;
  margin: 0;
  color: #4f5b59;
  font-size: 14px;
  line-height: 1.75;
}

.sequence-strip,
.signal-bars,
.design-matrix {
  position: absolute;
  pointer-events: none;
}

.sequence-strip {
  top: 84px;
  right: -20px;
  display: flex;
  gap: 7px;
  transform: rotate(-7deg);
}

.sequence-strip i {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(17, 21, 22, 0.18);
  background: rgba(255, 255, 255, 0.55);
  color: var(--teal);
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}

.signal-bars {
  top: 82px;
  right: 24px;
  left: 24px;
  height: 58px;
  display: flex;
  align-items: end;
  gap: 7px;
  border-bottom: 1px solid rgba(17, 21, 22, 0.16);
}

.signal-bars i {
  flex: 1;
  background: var(--blue);
  opacity: 0.72;
}

.signal-bars i:nth-child(1) {
  height: 20%;
}

.signal-bars i:nth-child(2) {
  height: 45%;
}

.signal-bars i:nth-child(3) {
  height: 32%;
}

.signal-bars i:nth-child(4) {
  height: 84%;
}

.signal-bars i:nth-child(5) {
  height: 58%;
}

.signal-bars i:nth-child(6) {
  height: 92%;
}

.signal-bars i:nth-child(7) {
  height: 43%;
}

.signal-bars i:nth-child(8) {
  height: 70%;
}

.signal-bars i:nth-child(9) {
  height: 28%;
}

.design-matrix {
  top: 74px;
  right: 28px;
  width: 154px;
  display: grid;
  grid-template-columns: repeat(6, 18px);
  gap: 8px;
}

.design-matrix i {
  width: 18px;
  height: 18px;
  background: var(--amber);
  border: 1px solid rgba(17, 21, 22, 0.12);
}

.design-matrix i:nth-child(2),
.design-matrix i:nth-child(5),
.design-matrix i:nth-child(8),
.design-matrix i:nth-child(12) {
  background: var(--coral);
}

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

.application-intro {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) 3.2fr;
  gap: 48px;
  margin-bottom: 72px;
}

.application-intro h2 {
  max-width: 760px;
  margin: 0;
  font-size: 48px;
  line-height: 1.2;
}

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

.application-item {
  display: grid;
  grid-template-columns: 60px 1.2fr 1.4fr 34px;
  gap: 30px;
  align-items: center;
  min-height: 176px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 180ms ease;
}

.application-item:hover {
  padding-right: 12px;
  padding-left: 12px;
}

.application-number {
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
}

.application-en {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.application-item h3 {
  margin: 0;
  font-size: 27px;
  line-height: 1.3;
}

.application-item > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.application-arrow {
  color: var(--teal);
  font-size: 22px;
}

.medical-note {
  max-width: 740px;
  margin: 26px 0 0 auto;
  color: var(--muted);
  font-size: 11px;
  text-align: right;
}

.workflow {
  background: #e9eeec;
}

.workflow-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 100px;
}

.workflow-heading {
  position: sticky;
  top: 120px;
  align-self: start;
}

.workflow-heading h2 {
  margin-bottom: 24px;
  font-size: 43px;
  line-height: 1.25;
}

.workflow-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.workflow-steps {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.workflow-steps li {
  display: grid;
  grid-template-columns: 54px 160px 1fr;
  gap: 24px;
  align-items: center;
  min-height: 116px;
  border-bottom: 1px solid #aeb8b5;
}

.workflow-steps li > span {
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
}

.workflow-steps strong {
  font-size: 18px;
}

.workflow-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.about {
  padding-bottom: 0;
}

.about-grid {
  margin-bottom: 0;
}

.about-copy h2 {
  max-width: 820px;
  margin-bottom: 34px;
  font-size: 49px;
  line-height: 1.22;
}

.about-description {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 16px;
  line-height: 1.9;
}

.research-links {
  max-width: 720px;
  margin-top: 34px;
  border-top: 1px solid var(--line-dark);
}

.research-links a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: padding 180ms ease;
}

.research-links a:hover {
  padding-right: 8px;
  padding-left: 8px;
}

.research-links span {
  grid-column: 1;
  color: rgba(255, 255, 255, 0.5);
  font-size: 11px;
}

.research-links strong {
  grid-column: 1;
  font-size: 17px;
}

.research-links i {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  color: var(--mint);
  font-size: 20px;
  font-style: normal;
}

.contact-band {
  padding: 72px 0 84px;
}

.contact-band > p {
  margin-bottom: 22px;
  color: var(--mint);
  font-size: 13px;
}

.contact-band h2 {
  width: 850px;
  max-width: 100%;
  margin-bottom: 52px;
  font-size: 53px;
  line-height: 1.2;
}

.contact-band > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  color: var(--mint);
  font-size: 20px;
}

.contact-band > a span:last-child {
  font-size: 28px;
  transition: transform 180ms ease;
}

.contact-band > a:hover span:last-child {
  transform: translate(4px, -4px);
}

.site-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  padding: 42px max(48px, calc((100% - var(--shell)) / 2));
  background: #090c0d;
  color: var(--white);
  border-top: 1px solid #293332;
}

.footer-brand {
  display: flex;
  align-items: center;
}

.footer-brand .brand-logo {
  width: 58px;
  margin-right: 14px;
}

.footer-brand > div {
  display: flex;
  flex-direction: column;
}

.footer-brand strong {
  font-size: 22px;
  line-height: 1.2;
}

.footer-brand span:last-child {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 11px;
}

.footer-meta {
  display: flex;
  gap: 30px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 11px;
}

.lightbox {
  width: min(1100px, calc(100% - 48px));
  max-width: none;
  padding: 54px 24px 24px;
  border: 1px solid var(--line-dark);
  border-radius: 6px;
  background: var(--ink-soft);
  color: var(--white);
}

.lightbox::backdrop {
  background: rgba(8, 11, 12, 0.84);
  backdrop-filter: blur(6px);
}

.lightbox button {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  background: transparent;
  color: var(--white);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.lightbox img {
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  background: var(--white);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 560ms ease,
    transform 560ms ease;
}

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

@media (max-width: 1100px) {
  :root {
    --shell: 940px;
  }

  .site-header {
    padding: 0 30px;
  }

  .desktop-nav {
    gap: 26px;
  }

  .hero-inner,
  .section-shell {
    width: calc(100% - 64px);
  }

  .hero h1 {
    font-size: 50px;
  }

  .hero h1 span {
    font-size: 82px;
  }

  .hero-principles {
    right: 32px;
    grid-template-columns: repeat(3, 132px);
  }

  .section-heading {
    gap: 48px;
  }

  .technology-layout {
    gap: 40px;
  }

  .evidence-panel {
    gap: 38px;
  }

  .evidence-image img {
    height: 410px;
  }

  .workflow-grid {
    gap: 64px;
  }

  .site-footer {
    padding-right: 32px;
    padding-left: 32px;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 64px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 22px;
  }

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

  .brand-cn {
    display: none;
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
    width: 42px;
    height: 42px;
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    color: currentColor;
    cursor: pointer;
  }

  .menu-toggle span {
    position: absolute;
    left: 10px;
    width: 22px;
    height: 1px;
    background: currentColor;
    transition:
      top 180ms ease,
      transform 180ms ease;
  }

  .menu-toggle span:first-child {
    top: 17px;
  }

  .menu-toggle span:last-child {
    top: 25px;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    top: 21px;
    transform: rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    top: 21px;
    transform: rotate(-45deg);
  }

  .mobile-nav {
    position: fixed;
    z-index: 1;
    inset: var(--header-height) 0 auto;
    display: grid;
    padding: 18px 22px 26px;
    background: var(--paper);
    color: var(--ink);
    border-bottom: 1px solid var(--line);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

  .mobile-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-nav a {
    display: flex;
    align-items: center;
    min-height: 50px;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
  }

  .mobile-nav a:last-child {
    color: var(--teal);
    border-bottom: 0;
  }

  .hero {
    min-height: 720px;
    height: 90svh;
    max-height: 860px;
  }

  .hero-inner,
  .section-shell {
    width: calc(100% - 44px);
  }

  .hero-inner {
    padding-top: 150px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: 39px;
  }

  .hero h1 span {
    font-size: 70px;
  }

  .hero-lead {
    width: 520px;
    max-width: 90%;
    font-size: 17px;
  }

  .hero-principles {
    right: 22px;
    left: 22px;
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-principles div {
    min-height: 88px;
    padding: 14px;
  }

  .section {
    padding: 88px 0;
  }

  .thesis {
    min-height: 520px;
  }

  .thesis-grid,
  .application-intro {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .thesis-grid > *,
  .section-heading > *,
  .technology-layout > *,
  .evidence-panel > *,
  .application-intro > *,
  .workflow-grid > * {
    min-width: 0;
  }

  .thesis-copy,
  .thesis-copy > p:last-child {
    width: 100%;
  }

  .thesis-copy h2 {
    font-size: 46px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 54px;
  }

  .section-heading h2,
  .application-intro h2 {
    font-size: 40px;
  }

  .section-heading > p {
    max-width: 600px;
  }

  .technology-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .architecture-figure {
    grid-row: 1;
  }

  .evidence-panel {
    grid-template-columns: 1fr;
    gap: 32px;
    min-height: 0;
    padding-top: 40px;
  }

  .evidence-image img {
    height: 430px;
  }

  .evidence-copy {
    max-width: 620px;
    padding: 0 0 48px;
  }

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

  .capability {
    min-height: 350px;
  }

  .capability-top {
    margin-bottom: 100px;
  }

  .application-intro {
    margin-bottom: 54px;
  }

  .application-item {
    grid-template-columns: 42px 1fr 28px;
    gap: 20px;
  }

  .application-item > p {
    grid-column: 2 / 3;
    padding-bottom: 10px;
  }

  .application-arrow {
    grid-column: 3;
    grid-row: 1;
  }

  .medical-note {
    max-width: 100%;
    text-align: left;
  }

  .workflow-grid {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .workflow-heading {
    position: static;
    max-width: 620px;
  }

  .about-copy h2 {
    font-size: 42px;
  }

  .contact-band h2 {
    font-size: 45px;
  }
}

@media (max-width: 560px) {
  .hero {
    min-height: 690px;
    height: 88svh;
    max-height: 790px;
  }

  .hero-inner {
    padding-top: 128px;
  }

  .hero h1 {
    margin-bottom: 22px;
    font-size: 34px;
    line-height: 1.15;
  }

  .hero h1 span {
    margin-bottom: 8px;
    font-size: 62px;
  }

  .hero-lead {
    max-width: 100%;
    margin-bottom: 30px;
    font-size: 16px;
    line-height: 1.7;
  }

  .hero-actions {
    max-width: 300px;
  }

  .button {
    width: 100%;
  }

  .button-ghost {
    display: none;
  }

  .hero-principles {
    right: 0;
    left: 0;
    border-left: 0;
  }

  .hero-principles div {
    min-height: 78px;
    padding: 10px 12px;
  }

  .hero-principles span {
    margin-bottom: 6px;
  }

  .hero-principles strong {
    font-size: 12px;
  }

  .section {
    padding: 72px 0;
  }

  .thesis {
    min-height: 470px;
  }

  .thesis-grid {
    gap: 34px;
  }

  .thesis-copy h2 {
    margin-bottom: 24px;
    font-size: 38px;
  }

  .thesis-copy > p:last-child {
    font-size: 16px;
    line-height: 1.85;
  }

  .eyebrow {
    margin-bottom: 18px;
  }

  .section-heading {
    margin-bottom: 44px;
  }

  .section-heading h2,
  .application-intro h2 {
    font-size: 34px;
  }

  .section-heading > p {
    font-size: 14px;
  }

  .principle {
    grid-template-columns: 38px 1fr;
    gap: 14px;
    padding: 26px 0;
  }

  .architecture-figure {
    padding: 10px;
  }

  .architecture-figure figcaption {
    padding: 0 4px;
  }

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

  .evidence-tabs button {
    min-width: 0;
    min-height: 60px;
    padding: 8px 10px;
    line-height: 1.25;
    overflow-wrap: anywhere;
    white-space: normal;
  }

  .evidence-tabs button span {
    margin-right: 8px;
  }

  .evidence-panel {
    padding-top: 30px;
  }

  .evidence-image img {
    height: 310px;
    padding: 10px;
  }

  .evidence-copy h3 {
    font-size: 27px;
  }

  .capability {
    min-height: 340px;
    padding: 24px;
  }

  .capability h3 {
    font-size: 24px;
  }

  .application-intro {
    gap: 34px;
    margin-bottom: 44px;
  }

  .application-item {
    grid-template-columns: 32px 1fr 24px;
    gap: 14px;
    min-height: 0;
    padding: 28px 0;
  }

  .application-item:hover {
    padding-right: 0;
    padding-left: 0;
  }

  .application-item h3 {
    font-size: 23px;
  }

  .application-en {
    overflow-wrap: anywhere;
  }

  .workflow-heading h2 {
    font-size: 34px;
  }

  .workflow-steps li {
    grid-template-columns: 34px 1fr;
    gap: 10px 14px;
    min-height: 120px;
    padding: 18px 0;
  }

  .workflow-steps p {
    grid-column: 2;
  }

  .about-copy h2 {
    font-size: 35px;
  }

  .about-description {
    font-size: 14px;
  }

  .contact-band {
    padding: 58px 0 66px;
  }

  .contact-band h2 {
    margin-bottom: 38px;
    font-size: 36px;
  }

  .contact-band > a {
    font-size: 16px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 34px 22px;
  }

  .footer-meta {
    flex-direction: column;
    gap: 6px;
  }

  .lightbox {
    width: calc(100% - 24px);
    padding: 50px 10px 10px;
  }
}

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

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

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