:root {
  color-scheme: light dark;
  --page: #f4f6fa;
  --surface: #e9edf5;
  --surface-strong: #dde3ee;
  --ink: #171a22;
  --ink-soft: #505766;
  --ink-faint: #747d8d;
  --line: #cbd2df;
  --accent: #3154c8;
  --accent-ink: #f6f8ff;
  --focus: #3154c8;
  --media-shadow: 0 22px 70px rgb(39 55 92 / 0.16);
  --content: min(100% - 3rem, 88rem);
  --font-sans: "Avenir Next", Avenir, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-family: var(--font-sans);
  font-synthesis: none;
  color: var(--ink);
  background: var(--page);
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #101218;
    --surface: #191d27;
    --surface-strong: #242a37;
    --ink: #edf0f7;
    --ink-soft: #b5bdcb;
    --ink-faint: #8993a4;
    --line: #303747;
    --accent: #7895ff;
    --accent-ink: #111522;
    --focus: #91a9ff;
    --media-shadow: 0 24px 80px rgb(2 4 10 / 0.52);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 82% 3%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 28rem),
    var(--page);
}

body,
button,
a {
  font-family: inherit;
}

a {
  color: inherit;
}

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

h1,
h2,
h3,
p,
figure,
dl,
dd,
ol {
  margin: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

::selection {
  color: var(--accent-ink);
  background: var(--accent);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  color: var(--accent-ink);
  background: var(--accent);
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

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

.section-shell {
  width: var(--content);
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  width: var(--content);
  min-height: 4.5rem;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.brand-name {
  font-size: 0.96rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.4rem);
  font-size: 0.88rem;
  font-weight: 650;
}

.site-nav a {
  text-decoration: none;
}

.site-nav a:not(.nav-contact) {
  color: var(--ink-soft);
  transition: color 180ms ease;
}

.site-nav a:not(.nav-contact):hover {
  color: var(--ink);
}

.nav-contact {
  padding: 0.62rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.nav-contact:hover {
  color: var(--page);
  background: var(--ink);
  transform: translateY(-1px);
}

.nav-contact:active,
.button:active {
  transform: translateY(1px);
}

.hero {
  display: grid;
  min-height: calc(100dvh - 4.5rem);
  grid-template-columns: minmax(0, 0.92fr) minmax(24rem, 1.08fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 7rem);
  padding-block: clamp(3rem, 7vh, 5.5rem);
}

.hero-copy {
  align-self: center;
}

.kicker {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 10ch;
  margin-top: 1.2rem;
  font-size: clamp(3rem, 4.9vw, 5.4rem);
  font-weight: 690;
  letter-spacing: -0.078em;
  line-height: 0.97;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.hero-intro {
  max-width: 29rem;
  margin-top: 1.65rem;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 720;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

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

.button-primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, var(--ink));
}

.button-secondary {
  border-color: var(--line);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.button-secondary:hover {
  border-color: var(--ink-soft);
}

.hero-visual {
  position: relative;
  width: calc(100% - 2rem);
  justify-self: end;
  transform: rotate(1.6deg);
}

.hero-visual::before {
  position: absolute;
  inset: 8% 2rem -5% 7%;
  z-index: -1;
  border-radius: 24px;
  background: var(--surface-strong);
  content: "";
  transform: rotate(-2.8deg);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 24px;
  box-shadow: var(--media-shadow);
  object-fit: cover;
}

figcaption {
  margin-top: 0.75rem;
  color: var(--ink-faint);
  font-size: 0.72rem;
  line-height: 1.5;
}

.proof-strip {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: end;
  border-block: 1px solid var(--line);
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.proof-lead {
  max-width: 31rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.65;
}

.proof-facts {
  display: grid;
  grid-template-columns: 0.7fr 0.7fr 1.35fr;
  gap: 1.25rem;
}

.proof-facts p {
  min-height: 5rem;
  padding-left: 1rem;
  border-left: 1px solid var(--line);
}

.proof-facts strong,
.proof-facts span {
  display: block;
}

.proof-facts strong {
  font-size: clamp(1.45rem, 2.2vw, 2.2rem);
  letter-spacing: -0.05em;
}

.proof-facts span {
  margin-top: 0.55rem;
  color: var(--ink-faint);
  font-size: 0.74rem;
  line-height: 1.45;
}

.work,
.capabilities,
.career-path,
.lab,
.contact {
  padding-block: clamp(5.5rem, 10vw, 10rem);
}

.section-heading {
  max-width: 48rem;
}

.section-heading h2,
.capabilities-intro h2,
.path-summary h2,
.lab-copy h2,
.contact h2 {
  margin-top: 1rem;
  font-size: clamp(2.2rem, 4.7vw, 5rem);
  font-weight: 660;
  letter-spacing: -0.065em;
  line-height: 1.02;
}

.section-heading > p:last-child,
.capabilities-intro p,
.path-summary p,
.lab-copy > p,
.contact > p:not(.kicker) {
  max-width: 39rem;
  margin-top: 1.25rem;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.75;
}

.project {
  display: grid;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  margin-top: clamp(4rem, 8vw, 8rem);
}

.project-linkatlas {
  grid-template-columns: minmax(0, 1.42fr) minmax(20rem, 0.58fr);
}

.project-media {
  min-width: 0;
}

.project-media img,
.lab-media img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--media-shadow);
  object-fit: cover;
}

.project-media-wide img {
  aspect-ratio: 16 / 11;
  object-position: top center;
}

.project-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.project-title-row h3 {
  font-size: clamp(2rem, 3.5vw, 3.6rem);
  font-weight: 660;
  letter-spacing: -0.055em;
}

.project-title-row a,
.text-link {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 720;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  white-space: nowrap;
}

.project-role {
  margin-top: 0.7rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
}

.project-copy > p:not(.project-role) {
  margin-top: 1.35rem;
  color: var(--ink-soft);
  line-height: 1.75;
}

.project-details {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.project-details div {
  display: grid;
  grid-template-columns: 5.4rem 1fr;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.project-details dt {
  color: var(--ink-faint);
  font-size: 0.72rem;
  font-weight: 700;
}

.project-details dd {
  font-size: 0.82rem;
  line-height: 1.55;
}

.project-workflow {
  grid-template-columns: minmax(21rem, 0.74fr) minmax(0, 1.26fr);
}

.workflow-visual {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.65rem 0.45rem;
  padding: clamp(1.5rem, 4vw, 3.2rem);
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 11%, transparent), transparent 58%),
    var(--surface);
}

.workflow-visual p {
  padding: 0.85rem 1rem;
  border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--page) 82%, transparent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
}

.workflow-visual span {
  color: var(--accent);
  font-weight: 800;
}

.workflow-focus {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.8rem;
}

.workflow-focus span {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.capabilities {
  display: grid;
  grid-template-columns: minmax(18rem, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(3rem, 8vw, 9rem);
  border-top: 1px solid var(--line);
}

.capabilities-intro {
  align-self: start;
}

.capabilities-intro h2 {
  margin-top: 0;
}

.capability-list article {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1.2rem;
  padding-block: 2rem;
  border-top: 1px solid var(--line);
}

.capability-list article:last-child {
  border-bottom: 1px solid var(--line);
}

.capability-index {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 750;
}

.capability-list h3 {
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  letter-spacing: -0.035em;
}

.capability-list article div p {
  max-width: 36rem;
  margin-top: 0.65rem;
  color: var(--ink-soft);
  font-size: 0.93rem;
  line-height: 1.7;
}

.career-path {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(22rem, 1.18fr);
  gap: clamp(3rem, 8vw, 10rem);
  align-items: start;
}

.path-list {
  list-style: none;
  padding: 0;
}

.path-list li {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.path-list span {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.path-list strong {
  font-size: clamp(1.05rem, 1.9vw, 1.5rem);
  letter-spacing: -0.025em;
}

.lab {
  display: grid;
  grid-template-columns: minmax(18rem, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(3rem, 9vw, 10rem);
  align-items: center;
  border-top: 1px solid var(--line);
}

.lab-media {
  width: min(100%, 31rem);
  transform: rotate(-1.4deg);
}

.lab-media img {
  aspect-ratio: 3 / 4;
}

.lab-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-block: 2rem;
}

.lab-facts p {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.lab-facts strong,
.lab-facts span {
  display: block;
}

.lab-facts strong {
  font-size: clamp(1.15rem, 2vw, 1.7rem);
  letter-spacing: -0.04em;
}

.lab-facts span {
  margin-top: 0.55rem;
  color: var(--ink-faint);
  font-size: 0.7rem;
}

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

.contact h2 {
  max-width: 13ch;
}

.contact .button {
  margin-top: 2rem;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 2rem;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-block: 2rem 3rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy,
  .hero-visual {
    animation: enter 720ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .hero-visual {
    animation-name: enter-visual;
    animation-delay: 100ms;
  }

}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes enter-visual {
  from {
    opacity: 0;
    transform: translateY(18px) rotate(1.6deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotate(1.6deg);
  }
}

@media (max-width: 960px) {
  .hero,
  .project-linkatlas,
  .project-workflow,
  .capabilities,
  .career-path,
  .lab {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 3.5rem;
    padding-block: 4.5rem 5.5rem;
  }

  .hero-copy {
    max-width: 44rem;
  }

  .hero-visual {
    width: min(92%, 46rem);
    justify-self: end;
  }

  .project-linkatlas .project-copy {
    width: min(100%, 42rem);
    margin-left: auto;
  }

  .project-workflow .workflow-visual {
    order: 2;
  }

  .project-workflow .project-copy {
    width: min(100%, 46rem);
  }

  .capabilities-intro,
  .path-summary,
  .lab-copy {
    max-width: 46rem;
  }

  .capability-list,
  .path-list {
    width: min(100%, 48rem);
    margin-left: auto;
  }

  .lab-media {
    width: min(78%, 29rem);
  }
}

@media (max-width: 720px) {
  :root {
    --content: min(100% - 2rem, 88rem);
  }

  html {
    scroll-padding-top: 5rem;
  }

  .site-header {
    min-height: 4rem;
  }

  .brand-name,
  .site-nav a:not(.nav-contact) {
    display: none;
  }

  .nav-contact {
    padding: 0.58rem 0.85rem;
  }

  .hero {
    min-height: auto;
    padding-block: 4rem 5rem;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 12vw, 3.5rem);
  }

  .hero-visual {
    width: 96%;
    animation-name: enter;
    transform: none;
  }

  .hero-visual::before {
    inset: 5% 0 -3% 4%;
    transform: none;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }

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

  .proof-facts p:last-child {
    grid-column: 1 / -1;
  }

  .work,
  .capabilities,
  .career-path,
  .lab,
  .contact {
    padding-block: 5rem;
  }

  .project {
    margin-top: 4.5rem;
  }

  .project-title-row {
    align-items: flex-start;
  }

  .project-title-row a {
    padding-top: 0.45rem;
  }

  .workflow-visual {
    grid-template-columns: 1fr auto 1fr;
    padding: 1.1rem;
  }

  .workflow-visual p {
    padding: 0.72rem 0.5rem;
    font-size: 0.66rem;
  }

  .lab-media {
    width: 88%;
    transform: none;
  }

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

  .site-footer {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
}

@media (max-width: 430px) {
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .project-title-row {
    display: block;
  }

  .project-title-row a {
    display: inline-block;
    margin-top: 0.75rem;
  }

  .project-details div {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .workflow-visual {
    grid-template-columns: 1fr;
  }

  .workflow-visual span {
    transform: rotate(90deg);
    text-align: center;
  }
}

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

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