:root {
  --void: #07080a;
  --ink: #0b0d11;
  --graphite: #14171c;
  --steel: #c9ced6;
  --mist: #8a919c;
  --paper: #e7e2d6;
  --ice: #8eafbf;
  --ice-deep: #3d6574;
  --foundry: #c45a28;
  --foundry-deep: #6d2c12;
  --signal: #b7c9b0;
  --line: rgba(201, 206, 214, 0.16);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --slash: 8.5vw;
  --nav: 4.5rem;
}

@property --split {
  syntax: "<percentage>";
  inherits: true;
  initial-value: 50%;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--void);
  color: var(--paper);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.5;
}

body {
  cursor: none;
}

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

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

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

button {
  cursor: none;
}

h1,
h2,
h3 {
  font-family: Sora, "Avenir Next", sans-serif;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0;
}

.hud {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0;
}

.wrap {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.lede {
  max-width: 42rem;
  color: var(--steel);
  font-size: 1.15rem;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  opacity: 0.09;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cursor {
  pointer-events: none;
  position: fixed;
  z-index: 90;
  top: 50%;
  left: 50%;
  width: 36px;
  height: 36px;
  margin: -18px 0 0 -18px;
  mix-blend-mode: difference;
  transition: transform 0.18s var(--ease);
  will-change: left, top, transform;
}

.cursor.is-down {
  transform: scale(0.72);
}

.cursor.is-link .cursor__ring {
  transform: scale(1.55);
  border-color: var(--paper);
}

.cursor__ring,
.cursor__dot {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.cursor__ring {
  border: 1px solid rgba(231, 226, 214, 0.7);
  transition: transform 0.25s var(--ease), border-color 0.25s;
}

.cursor__dot {
  inset: 16px;
  background: var(--paper);
}

.nav {
  position: fixed;
  z-index: 40;
  inset: 0 0 auto;
  height: var(--nav);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 1.25rem;
  background: linear-gradient(to bottom, rgba(7, 8, 10, 0.78), transparent);
  backdrop-filter: blur(8px);
}

.nav__mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: Sora, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.nav__mark svg {
  color: var(--ice);
  transition: transform 0.5s var(--ease), color 0.4s;
}

.nav__mark:hover svg {
  transform: rotate(18deg);
  color: var(--foundry);
}

.nav__mark em {
  font-style: normal;
  color: var(--foundry);
}

.nav__ticker {
  display: flex;
  gap: 1.25rem;
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.nav__cta {
  justify-self: end;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--steel);
  padding-bottom: 0.15rem;
  transition: letter-spacing 0.35s var(--ease), color 0.3s, border-color 0.3s;
}

.nav__cta:hover {
  letter-spacing: 0.22em;
  color: var(--ice);
  border-color: var(--ice);
}

.fork {
  --split: 50%;
  position: relative;
  height: 100svh;
  min-height: 640px;
  overflow: hidden;
  background: var(--void);
  transition: --split 0.85s var(--ease);
}

.fork.is-left {
  --split: 72%;
}

.fork.is-right {
  --split: 28%;
}

.fork.is-left .fork__hint,
.fork.is-right .fork__hint {
  opacity: 0;
  transform: translate(-50%, -46%) scale(0.96);
}

.fork__hint {
  position: absolute;
  z-index: 8;
  top: 48%;
  left: 50%;
  width: min(28rem, 72vw);
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  transition: opacity 0.45s var(--ease), transform 0.55s var(--ease);
}

.fork__hint h1 {
  font-size: clamp(3rem, 8vw, 6.4rem);
  text-transform: uppercase;
  margin: 0.35rem 0 0.7rem;
  text-shadow: 0 8px 40px rgba(0, 0, 0, 0.55);
}

.fork__lede {
  margin: 0;
  color: var(--steel);
}

.fork__lede span {
  display: block;
  color: var(--paper);
}

.fork__keys {
  margin-top: 1.4rem;
  opacity: 0.8;
}

.pane {
  appearance: none;
  border: 0;
  padding: 0;
  background: none;
  position: absolute;
  inset: 0;
  overflow: hidden;
  text-align: left;
  color: inherit;
  cursor: none;
}

.pane--left {
  clip-path: polygon(
    0 0,
    calc(var(--split) + var(--slash)) 0,
    calc(var(--split) - var(--slash)) 100%,
    0 100%
  );
}

.pane--right {
  clip-path: polygon(
    calc(var(--split) + var(--slash)) 0,
    100% 0,
    100% 100%,
    calc(var(--split) - var(--slash)) 100%
  );
}

.pane:focus-visible {
  outline: none;
}

.pane:focus-visible .pane__label h2 {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.pane__media {
  position: absolute;
  inset: -6%;
  transition: transform 1.1s var(--ease);
}

.pane__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.06);
  transform: scale(1.04);
  transition: transform 1.4s var(--ease), filter 0.8s;
}

.fork.is-left .pane--left .pane__media img,
.fork.is-right .pane--right .pane__media img {
  transform: scale(1.1);
  filter: saturate(1) contrast(1.08);
}

.pane__wash {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.pane__wash--ice {
  background:
    linear-gradient(90deg, rgba(7, 8, 10, 0.55), rgba(7, 8, 10, 0.18) 55%, rgba(61, 101, 116, 0.22)),
    linear-gradient(to top, rgba(7, 8, 10, 0.72), transparent 42%);
}

.pane__wash--foundry {
  background:
    linear-gradient(270deg, rgba(7, 8, 10, 0.55), rgba(7, 8, 10, 0.18) 55%, rgba(109, 44, 18, 0.24)),
    linear-gradient(to top, rgba(7, 8, 10, 0.72), transparent 42%);
}

.pane__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 3px,
    rgba(255, 255, 255, 0.018) 3px 4px
  );
  opacity: 0;
  transition: opacity 0.5s;
}

.pane__scan::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 18%;
  background: linear-gradient(to bottom, transparent, rgba(142, 175, 191, 0.12), transparent);
  animation: scan 4.8s linear infinite;
  opacity: 0;
}

.fork.is-left .pane--left .pane__scan,
.fork.is-right .pane--right .pane__scan,
.fork.is-left .pane--left .pane__scan::after,
.fork.is-right .pane--right .pane__scan::after {
  opacity: 1;
}

@keyframes scan {
  from {
    transform: translateY(-120%);
  }
  to {
    transform: translateY(620%);
  }
}

.pane__label {
  position: absolute;
  bottom: 6.5rem;
  width: min(26rem, 40vw);
  transition: opacity 0.35s, transform 0.55s var(--ease);
}

.pane--left .pane__label {
  left: 2rem;
}

.pane--right .pane__label {
  right: 2rem;
  text-align: right;
}

.pane__label h2 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  text-transform: uppercase;
  margin: 0.3rem 0 0.45rem;
  transition: letter-spacing 0.5s var(--ease);
}

.fork.is-left .pane--left .pane__label h2,
.fork.is-right .pane--right .pane__label h2 {
  letter-spacing: 0.04em;
}

.pane__label p:last-child {
  margin: 0;
  color: var(--steel);
}

.fork.is-left .pane__label,
.fork.is-right .pane__label {
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
}

.pane__detail {
  position: absolute;
  bottom: 5.5rem;
  width: min(28rem, 38vw);
  opacity: 0;
  transform: translateY(28px);
  pointer-events: none;
  transition: opacity 0.22s, transform 0.28s var(--ease);
}

.pane--left .pane__detail {
  left: 2rem;
}

.pane--right .pane__detail {
  right: 2rem;
  text-align: right;
}

.pane__detail h3 {
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  margin: 0.35rem 0 0.7rem;
}

.pane__detail p {
  color: var(--steel);
  margin: 0 0 1rem;
}

.pane__detail ul {
  list-style: none;
  margin: 0 0 1.3rem;
  padding: 0;
}

.pane__detail li {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  margin: 0.35rem 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(10px);
}

.pane--right .pane__detail li {
  flex-direction: row-reverse;
}

.pane__detail li span {
  color: var(--ice);
}

.pane--right .pane__detail li span {
  color: var(--foundry);
}

.fork.is-left .pane--left .pane__detail,
.fork.is-right .pane--right .pane__detail {
  opacity: 1;
  transform: none;
  pointer-events: auto;
  transition: opacity 0.45s 0.16s, transform 0.7s 0.12s var(--ease);
}

.fork.is-left .pane--left .pane__detail li,
.fork.is-right .pane--right .pane__detail li {
  opacity: 1;
  transform: none;
}

.fork.is-left .pane--left .pane__detail li:nth-child(1),
.fork.is-right .pane--right .pane__detail li:nth-child(1) {
  transition: opacity 0.4s 0.18s, transform 0.45s 0.18s var(--ease);
}
.fork.is-left .pane--left .pane__detail li:nth-child(2),
.fork.is-right .pane--right .pane__detail li:nth-child(2) {
  transition: opacity 0.4s 0.26s, transform 0.45s 0.26s var(--ease);
}
.fork.is-left .pane--left .pane__detail li:nth-child(3),
.fork.is-right .pane--right .pane__detail li:nth-child(3) {
  transition: opacity 0.4s 0.34s, transform 0.45s 0.34s var(--ease);
}
.fork.is-left .pane--left .pane__detail li:nth-child(4),
.fork.is-right .pane--right .pane__detail li:nth-child(4) {
  transition: opacity 0.4s 0.42s, transform 0.45s 0.42s var(--ease);
}

.fork__slash {
  pointer-events: none;
  position: absolute;
  z-index: 6;
  inset: 0;
}

.fork__edge {
  position: absolute;
  top: -8%;
  bottom: -8%;
  left: var(--split);
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--paper), transparent);
  transform: translateX(-50%) rotate(18deg);
  transform-origin: center;
  box-shadow: 0 0 18px rgba(231, 226, 214, 0.35);
  transition: left 0.85s var(--ease), box-shadow 0.4s;
}

.fork.is-left .fork__edge {
  box-shadow: 0 0 22px rgba(142, 175, 191, 0.45);
}

.fork.is-right .fork__edge {
  box-shadow: 0 0 22px rgba(196, 90, 40, 0.45);
}

.fork__ticks {
  position: absolute;
  top: -8%;
  bottom: -8%;
  left: var(--split);
  width: 14px;
  transform: translateX(-50%) rotate(18deg);
  background: repeating-linear-gradient(
    to bottom,
    var(--paper) 0 2px,
    transparent 2px 18px
  );
  opacity: 0.35;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
  transition: left 0.85s var(--ease);
}

.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  overflow: hidden;
  border: 1px solid currentColor;
  padding: 0.85rem 1.15rem;
  background: transparent;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.3s, transform 0.3s var(--ease);
}

.btn i {
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: translateX(-102%) skewX(-18deg);
  transition: transform 0.45s var(--ease);
}

.btn--ice {
  color: var(--ice);
}

.btn--ice i {
  background: var(--ice);
}

.btn--foundry {
  color: var(--foundry);
}

.btn--foundry i {
  background: var(--foundry);
}

.btn:hover {
  color: var(--void);
}

.btn:hover i {
  transform: translateX(0) skewX(-18deg);
}

.thesis,
.hardware,
.steps,
.intake {
  position: relative;
  z-index: 2;
  padding: 7.5rem 0;
  border-top: 1px solid var(--line);
}

.thesis h2,
.hardware h2,
.steps h2,
.intake h2 {
  font-size: clamp(2.1rem, 4.4vw, 3.6rem);
  text-transform: uppercase;
  margin: 0.4rem 0 1rem;
  color: var(--paper);
}

.thesis__grid,
.mosaic,
.steps__list,
.form__grid {
  display: grid;
  gap: 1.25rem;
}

.thesis__grid {
  grid-template-columns: 1fr 1fr;
  margin-top: 2.5rem;
}

.card {
  background: var(--graphite);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.45s var(--ease), border-color 0.3s;
}

.card img {
  width: 100%;
  height: 16rem;
  object-fit: cover;
  filter: brightness(1.12) contrast(1.05) saturate(0.95);
  transition: transform 0.8s var(--ease), filter 0.5s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(201, 206, 214, 0.32);
}

.card:hover img {
  transform: scale(1.04);
  filter: saturate(1);
}

.card .hud,
.card h3,
.card p {
  padding-inline: 1.2rem;
}

.card .hud {
  margin-top: 1.1rem;
}

.card h3 {
  margin: 0.4rem 1.2rem 0.6rem;
  font-size: 1.35rem;
}

.card p {
  padding-bottom: 1.3rem;
  color: var(--steel);
}

.hardware__head {
  max-width: 40rem;
  margin-bottom: 2rem;
}

.mosaic {
  grid-template-columns: 1.4fr 1fr;
}

.mosaic figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--graphite);
  border: 1px solid var(--line);
}

.mosaic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 18rem;
  filter: brightness(1.12) contrast(1.05) saturate(0.95);
  transition: transform 1s var(--ease), filter 0.5s;
}

.mosaic figure:hover img {
  transform: scale(1.05);
}

.mosaic__wide {
  grid-row: span 2;
}

.mosaic__wide img {
  min-height: 38rem;
}

.mosaic figcaption {
  position: absolute;
  inset: auto 0 0;
  padding: 1rem 1.1rem;
  background: linear-gradient(to top, rgba(7, 8, 10, 0.8), transparent);
  font-size: 0.95rem;
}

.mosaic figcaption .hud {
  display: block;
  margin-bottom: 0.2rem;
}

.steps__list {
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
  margin: 2.2rem 0 0;
  padding: 0;
}

.steps__list li {
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
  transition: border-color 0.3s;
}

.steps__list li:hover {
  border-top-color: var(--ice);
}

.steps__list h3 {
  margin: 0.5rem 0 0.6rem;
  font-size: 1.4rem;
}

.steps__list p {
  margin: 0;
  color: var(--steel);
}

.intake__switch {
  display: inline-flex;
  margin: 1.8rem 0 1.4rem;
  border: 1px solid var(--line);
}

.intake__switch button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0.7rem 1rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  transition: background 0.3s, color 0.3s;
}

.intake__switch button[aria-selected="true"] {
  background: var(--paper);
  color: var(--void);
}

.form {
  display: none;
}

.form.is-active {
  display: block;
}

.form__grid {
  grid-template-columns: 1fr 1fr;
  margin-bottom: 1.2rem;
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.form__wide,
.check {
  grid-column: 1 / -1;
}

.form input,
.form select,
.form textarea {
  appearance: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  padding: 0.7rem 0;
  font-family: "Source Sans 3", sans-serif;
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--paper);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-bottom-color: var(--ice);
  box-shadow: 0 1px 0 var(--ice);
}

.form .check {
  flex-direction: row;
  align-items: center;
  gap: 0.7rem;
  text-transform: none;
  letter-spacing: 0;
  font-family: "Source Sans 3", sans-serif;
  font-size: 1rem;
  color: var(--steel);
}

.form .check input {
  width: 1rem;
  height: 1rem;
  margin: 0;
  padding: 0;
  border: 0;
  box-shadow: none;
  accent-color: var(--ice);
}

.form__status {
  min-height: 1.4rem;
  margin: 0.8rem 0 0;
  color: var(--signal);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
}

.form.is-error .form__status {
  color: var(--foundry);
}

.foot {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.foot .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (hover: none), (pointer: coarse) {
  body,
  button {
    cursor: auto;
  }

  .cursor {
    display: none;
  }
}

@media (max-width: 860px) {
  :root {
    --slash: 0px;
    --nav: 3.6rem;
  }

  body {
    cursor: auto;
  }

  .cursor,
  .nav__ticker {
    display: none;
  }

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

  .fork {
    height: auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }

  .fork,
  .fork.is-left,
  .fork.is-right {
    --split: 50%;
  }

  .fork__hint {
    position: relative;
    top: auto;
    left: auto;
    width: auto;
    transform: none;
    padding: calc(var(--nav) + 1.4rem) 1.2rem 1.6rem;
    pointer-events: auto;
    opacity: 1 !important;
  }

  .fork__hint h1 {
    font-size: 2.6rem;
  }

  .pane,
  .pane--left,
  .pane--right {
    position: relative;
    clip-path: none;
    min-height: 78vh;
  }

  .pane__label,
  .pane__detail {
    left: 1.2rem !important;
    right: 1.2rem !important;
    width: auto;
    text-align: left !important;
  }

  .pane--right .pane__detail li {
    flex-direction: row;
  }

  .pane__label {
    bottom: 2rem;
    opacity: 1;
  }

  .fork.is-left .pane--left .pane__label,
  .fork.is-right .pane--right .pane__label {
    opacity: 0;
  }

  .pane__detail {
    bottom: 1.6rem;
  }

  .fork__slash {
    display: none;
  }

  .thesis__grid,
  .mosaic,
  .steps__list,
  .form__grid {
    grid-template-columns: 1fr;
  }

  .mosaic__wide {
    grid-row: auto;
  }

  .mosaic__wide img {
    min-height: 16rem;
  }

  .foot .wrap {
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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

  .pane__scan::after {
    display: none;
  }
}