:root {
  --ink: #11110f;
  --paper: #f2f0e9;
  --line: rgb(17 17 15 / 22%);
  --soft-line: rgb(17 17 15 / 10%);
  --muted: rgb(17 17 15 / 64%);
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --page-x: clamp(1.5rem, 4vw, 4rem);
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 20rem;
  background: var(--paper);
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

.site-shell {
  width: min(100%, 100rem);
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 var(--page-x);
  overflow: hidden;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 0.9rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.75rem;
  transform: translateY(-200%);
  transition: transform 160ms var(--ease-out);
}

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

.topbar {
  min-height: 5.375rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}

.topbar > * {
  animation: topbar-enter 440ms var(--ease-out) both;
}

.topbar-meta {
  animation-delay: 50ms;
}

.brand {
  font-size: 1.5rem;
  font-weight: 680;
  letter-spacing: -0.045em;
  transition: transform 150ms var(--ease-out);
}

.topbar-meta,
.topbar-meta nav {
  display: flex;
  align-items: center;
}

.topbar-meta {
  gap: clamp(1.5rem, 3vw, 3.25rem);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-meta nav {
  gap: 1.5rem;
}

.location {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
}

.location::before {
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.text-link {
  position: relative;
  display: inline-block;
  padding-block: 0.25rem;
  transition: transform 150ms var(--ease-out);
}

.link-arrow {
  display: inline-block;
  transition: transform 180ms var(--ease-out);
}

.text-link::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms var(--ease-out);
}

.brand:focus-visible,
.text-link:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 0.35rem;
}

.brand:active,
.text-link:active {
  transform: scale(0.97);
}

.hero {
  position: relative;
  min-height: clamp(36rem, 70vh, 44rem);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-content: center;
  column-gap: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.hero::before,
.hero::after {
  position: absolute;
  background: var(--soft-line);
  content: "";
  pointer-events: none;
}

.hero::before {
  top: 1.375rem;
  right: 5.25rem;
  width: 1px;
  height: 7.75rem;
  transform-origin: top;
  animation: guide-line-y 680ms var(--ease-out) 100ms both;
}

.hero::after {
  top: 5.1875rem;
  right: 0;
  width: min(30vw, 26.25rem);
  height: 1px;
  transform-origin: right;
  animation: guide-line-x 720ms var(--ease-out) 130ms both;
}

.coordinate {
  position: absolute;
  top: 2.25rem;
  right: 0;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  animation: hero-copy-enter 480ms var(--ease-out) 180ms both;
}

.hero-content {
  position: relative;
  z-index: 1;
  grid-column: 1 / span 12;
  padding: 6rem 0 5rem;
}

.eyebrow,
.section-label,
.capability-number,
.discipline > span {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 2rem;
  animation: hero-copy-enter 520ms var(--ease-out) 110ms both;
}

.eyebrow::before {
  width: 2.125rem;
  height: 1px;
  background: currentColor;
  content: "";
  transform-origin: left;
  animation: eyebrow-line 620ms var(--ease-out) 180ms both;
}

h1 {
  max-width: 81rem;
  margin: 0;
  font-size: clamp(3.8rem, 7.2vw, 7.2rem);
  font-weight: 540;
  line-height: 0.92;
  letter-spacing: -0.068em;
  text-wrap: balance;
  animation: hero-headline-enter 760ms var(--ease-out) 160ms both;
}

.hero-intro {
  max-width: 43rem;
  margin: 3rem 0 0 auto;
  font-size: clamp(1.125rem, 1.55vw, 1.5rem);
  line-height: 1.42;
  letter-spacing: -0.028em;
  animation: hero-copy-enter 620ms var(--ease-out) 250ms both;
}

@keyframes topbar-enter {
  from {
    opacity: 0;
    transform: translateY(-0.375rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-copy-enter {
  from {
    opacity: 0;
    transform: translateY(0.625rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-headline-enter {
  from {
    opacity: 0;
    clip-path: inset(0 0 16% 0);
    transform: translateY(1.25rem);
  }

  to {
    opacity: 1;
    clip-path: inset(0 0 0 0);
    transform: translateY(0);
  }
}

@keyframes eyebrow-line {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

@keyframes guide-line-x {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

@keyframes guide-line-y {
  from {
    transform: scaleY(0);
  }

  to {
    transform: scaleY(1);
  }
}

.motion-item {
  --motion-delay: 0ms;
}

.motion-delay-1 {
  --motion-delay: 50ms;
}

.motion-delay-2 {
  --motion-delay: 100ms;
}

.motion-delay-3 {
  --motion-delay: 150ms;
}

.reveal-ready .motion-item {
  opacity: 0;
  transform: translateY(0.75rem);
  transition:
    opacity 560ms var(--ease-out) var(--motion-delay),
    transform 560ms var(--ease-out) var(--motion-delay),
    clip-path 620ms var(--ease-out) var(--motion-delay);
}

.reveal-ready .motion-clip {
  clip-path: inset(0 0 14% 0);
  transform: translateY(1rem);
}

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

.reveal-ready.is-visible .motion-clip {
  clip-path: inset(0 0 0 0);
}

.capabilities .motion-item:nth-child(2),
.principle-grid .motion-item:nth-child(2),
.discipline-list .motion-item:nth-child(2) {
  --motion-delay: 50ms;
}

.capabilities .motion-item:nth-child(3),
.principle-grid .motion-item:nth-child(3),
.discipline-list .motion-item:nth-child(3) {
  --motion-delay: 100ms;
}

.discipline-list .motion-item:nth-child(4) {
  --motion-delay: 150ms;
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.capability {
  min-height: 18rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 3rem;
  padding: 1.75rem 2rem 2rem 0;
}

.capability + .capability {
  padding-left: 2rem;
  border-left: 1px solid var(--line);
}

.capability-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.capability-arrow {
  font-family: var(--mono);
  font-size: 1rem;
  opacity: 0;
  transform: translate(-0.25rem, 0.25rem);
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.capability h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2vw, 2rem);
  font-weight: 540;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.capability p {
  max-width: 27rem;
  margin: 1.125rem 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.principles {
  min-height: 23rem;
  display: grid;
  grid-template-columns: 2fr 10fr;
  align-items: start;
  gap: 1.25rem;
  margin-inline: calc(var(--page-x) * -1);
  padding: clamp(3.5rem, 6vw, 6rem) var(--page-x);
  background: var(--ink);
  color: var(--paper);
}

.principles-content {
  display: grid;
  gap: clamp(3rem, 5vw, 5rem);
}

.section-label {
  margin: 0;
  color: inherit;
  opacity: 0.62;
}

.principles-text {
  margin: 0;
  font-size: clamp(1.75rem, 3.2vw, 3rem);
  font-weight: 480;
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgb(242 240 233 / 24%);
}

.working-principle {
  padding: 1.25rem 1.5rem 0 0;
}

.working-principle + .working-principle {
  padding-left: 1.5rem;
  border-left: 1px solid rgb(242 240 233 / 24%);
}

.working-principle > span {
  display: block;
  margin-bottom: 3rem;
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  opacity: 0.58;
}

.working-principle h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 520;
  letter-spacing: -0.025em;
}

.working-principle p {
  max-width: 24rem;
  margin: 0.75rem 0 0;
  font-size: 0.875rem;
  line-height: 1.55;
  opacity: 0.66;
}

.about {
  display: grid;
  grid-template-columns: 3fr 9fr;
  gap: 1.25rem;
  padding: clamp(5rem, 10vw, 9rem) 0;
  border-bottom: 1px solid var(--line);
}

.about .section-label {
  color: var(--muted);
}

.about-copy {
  max-width: 62rem;
}

.about-copy h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 520;
  line-height: 0.98;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

.about-body {
  max-width: 42rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
  margin: 3rem 0 0 auto;
}

.about-body p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.25vw, 1.1875rem);
  line-height: 1.52;
  letter-spacing: -0.02em;
}

.discipline-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.discipline {
  min-height: 16rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 1.5rem 1.5rem 0;
}

.discipline + .discipline {
  padding-left: 1.5rem;
  border-left: 1px solid var(--line);
}

.discipline-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.discipline-heading > span:first-child {
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.discipline-arrow {
  opacity: 0;
  transform: translate(-0.25rem, 0.25rem);
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.discipline h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 540;
  letter-spacing: -0.025em;
}

.discipline p {
  max-width: 19rem;
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.footer {
  min-height: 6rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer p {
  margin: 0;
}

.back-to-top {
  width: max-content;
}

.footer-contact {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 1.25rem;
}

@media (hover: hover) and (pointer: fine) {
  .brand:hover {
    transform: translateY(-1px);
  }

  .text-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .text-link:hover .link-arrow {
    transform: translate(0.125rem, -0.125rem);
  }

  .capability:hover .capability-arrow {
    opacity: 1;
    transform: translateX(0);
  }

  .discipline:hover .discipline-arrow {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (max-width: 56rem) {
  .location {
    display: none;
  }

  .hero {
    min-height: 38rem;
  }

  .hero-content {
    padding-block: 7rem 4rem;
  }

  h1 {
    font-size: clamp(3.4rem, 10.7vw, 6.2rem);
  }

  .capabilities,
  .discipline-list {
    grid-template-columns: 1fr;
  }

  .capability {
    min-height: 14rem;
  }

  .capability + .capability,
  .discipline + .discipline {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .discipline {
    min-height: 12rem;
  }

  .principles,
  .about {
    grid-template-columns: 1fr;
  }

  .principles {
    gap: 2rem;
    padding-block: 3.5rem;
  }

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

  .working-principle {
    padding: 1.25rem 0;
  }

  .working-principle + .working-principle {
    padding-left: 0;
    border-top: 1px solid rgb(242 240 233 / 24%);
    border-left: 0;
  }

  .working-principle > span {
    margin-bottom: 1.5rem;
  }

  .about {
    gap: 3rem;
  }

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

  .footer p:first-child {
    display: none;
  }
}

@media (max-width: 35rem) {
  :root {
    --page-x: 1.25rem;
  }

  .topbar {
    min-height: 4.5rem;
  }

  .topbar-meta nav {
    gap: 1rem;
  }

  .hero {
    min-height: 35rem;
  }

  .hero::before {
    right: 3.25rem;
  }

  .hero::after {
    width: 12rem;
  }

  .hero-content {
    padding-block: 7rem 3.75rem;
  }

  .eyebrow {
    max-width: 14rem;
    align-items: flex-start;
    line-height: 1.45;
  }

  h1 {
    font-size: clamp(3.25rem, 15.2vw, 5rem);
  }

  .hero-intro {
    margin-top: 2.5rem;
  }

  .capability {
    min-height: 13rem;
    padding: 1.5rem 0;
  }

  .capability + .capability {
    padding-left: 0;
  }

  .principles-text {
    font-size: 2rem;
  }

  .about-copy h2 {
    font-size: clamp(2.75rem, 13vw, 4rem);
  }

  .about-body {
    grid-template-columns: 1fr;
    margin-top: 2rem;
  }

  .footer {
    min-height: 7rem;
    grid-template-columns: 1fr;
    align-content: center;
    gap: 0.5rem;
  }

  .footer .back-to-top {
    display: none;
  }

  .footer-contact {
    justify-self: start;
  }
}

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

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

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

  .reveal-ready .motion-item {
    opacity: 1;
    clip-path: none;
    transform: none;
  }
}