:root {
  color-scheme: dark;
  --bg: #09090b;
  --panel: #111214;
  --panel-2: #16181b;
  --line: #222428;
  --line-strong: #2e3136;
  --text: #ededed;
  --muted: #8e939a;
  --dim: #5f646b;
  --pass: #4fd1a5;
  --fail: #ff7a66;
  --block: #f2c14e;
  --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", "SFMono-Regular", Consolas, monospace;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  font-family: var(--font-sans);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  overflow-x: clip;
}
a {
  color: inherit;
}
button,
code,
pre {
  font: inherit;
}
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}
.wrap {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
  position: relative;
}
.pass {
  color: var(--pass);
}
.fail {
  color: var(--fail);
}
.block {
  color: var(--block);
}
.muted,
.dim {
  color: var(--muted);
}

/* Faint grid behind the hero, fading out below it. */
.grid-bg {
  position: absolute;
  inset: 0 0 auto;
  height: 1100px;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  opacity: 0.55;
  pointer-events: none;
}

.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.mark {
  width: 32px;
  height: 32px;
  overflow: hidden;
  display: block;
  flex: none;
}
.mark img {
  width: 128px;
  height: 32px;
  max-width: none;
  display: block;
  image-rendering: pixelated;
  animation: grasp 2.8s infinite;
}
@keyframes grasp {
  0%,
  18% {
    transform: translateX(0);
  }
  18.01%,
  34% {
    transform: translateX(-25%);
  }
  34.01%,
  50% {
    transform: translateX(-50%);
  }
  50.01%,
  100% {
    transform: translateX(-75%);
  }
}
.mark-large {
  width: 64px;
  height: 64px;
}
.mark-large img {
  width: 256px;
  height: 64px;
}
nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.86rem;
}
nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 150ms var(--ease-out);
}
.pill-link {
  padding: 7px 14px;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}

.hero {
  padding-top: 96px;
  text-align: center;
}
h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.lede {
  max-width: 620px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.6;
  text-wrap: pretty;
}
.actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
}
.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 550;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 160ms var(--ease-out),
    background-color 160ms var(--ease-out);
}
.button:active {
  transform: scale(0.97);
}
.button.primary {
  color: #09090b;
  background: var(--text);
  border-color: var(--text);
}
.command span {
  color: var(--pass);
  font-family: var(--font-mono);
}
.command code {
  font-size: 0.86rem;
}
.command b {
  /* Wide enough for the longest label, "select it", so swapping labels never moves the layout. */
  min-width: 10.5ch;
  text-align: left;
  color: var(--dim);
  font: 600 0.7rem/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.small {
  margin: 16px 0 0;
  color: var(--dim);
  font-size: 0.82rem;
}

/* Floating result chips: real lines from real runs. */
.chips {
  list-style: none;
  margin: 0;
  padding: 0;
}
.chip {
  position: absolute;
  padding: 8px 12px;
  color: var(--muted);
  background: rgb(17 18 20 / 0.85);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font: 0.72rem/1.2 var(--font-mono);
  white-space: nowrap;
  backdrop-filter: blur(6px);
  /* Hovering or tapping a chip runs its check again (main.js). */
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  /* backwards, not both, so the hover transform below applies once the entrance ends. */
  animation:
    chip-in 700ms var(--ease-out) backwards,
    drift 9s ease-in-out infinite alternate;
  transition:
    transform 200ms var(--ease-out),
    border-color 200ms ease;
}
/*
 * Each chip arrives as a running check and then resolves to its result, the way a run does.
 * It plays once per visit, so it can afford a little delight; the drift afterwards is slow
 * and small enough to stay in the background.
 */
.chip .state {
  display: inline-grid;
  margin-right: 8px;
}
.chip .state b {
  grid-area: 1 / 1;
  margin: 0;
  font-weight: 600;
}
.chip .running {
  color: var(--dim);
  animation:
    pulse 900ms ease-in-out infinite alternate,
    settle-out 260ms var(--ease-out) forwards;
  animation-delay: 0s, var(--resolve);
}
.chip .state b:not(.running) {
  opacity: 0;
  animation: settle-in 320ms var(--ease-out) forwards;
  animation-delay: var(--resolve);
}
.chip.is-fail {
  --tint: var(--fail);
}
.chip.is-pass {
  --tint: var(--pass);
}
.chip.is-block {
  --tint: var(--block);
}
.chip.is-skip {
  --tint: var(--line-strong);
}
@media (hover: hover) and (pointer: fine) {
  .chip:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--tint) 60%, var(--line-strong));
  }
}
@keyframes pulse {
  to {
    opacity: 0.45;
  }
}
@keyframes settle-out {
  to {
    opacity: 0;
    filter: blur(3px);
    transform: translateY(-4px);
  }
}
@keyframes settle-in {
  from {
    opacity: 0;
    filter: blur(3px);
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    filter: none;
    transform: none;
  }
}
.chip b {
  margin-right: 8px;
  font-weight: 600;
}
.c1 {
  --resolve: 1.3s;
  top: 24px;
  left: 0;
  animation-delay: 0.1s, 0s;
}
.c2 {
  --resolve: 1.7s;
  top: 24px;
  right: 0;
  animation-delay: 0.25s, -3s;
}
/*
 * The lower chips sit beside the centred buttons. They are anchored to the centre, half the
 * button row (about 250px) plus a gap away, so they can never slide under the buttons.
 */
.c3 {
  --resolve: 2.1s;
  top: 470px;
  right: calc(50% + 298px);
  animation-delay: 0.4s, -5s;
  opacity: 0.8;
}
.c5 {
  --resolve: 2.5s;
  top: 470px;
  left: calc(50% + 298px);
  animation-delay: 0.7s, -7s;
  opacity: 0.75;
}
@keyframes chip-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.97);
  }
}
@keyframes drift {
  to {
    translate: 0 -10px;
  }
}

.shot {
  margin: 72px auto 0;
  max-width: 1040px;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  box-shadow:
    0 40px 120px -40px rgb(79 209 165 / 0.18),
    0 20px 60px rgb(0 0 0 / 0.6);
}
.shot img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1100 / 640;
  object-fit: cover;
  object-position: top;
}
.shot-bar,
.window-bar {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font: 0.72rem/1 var(--font-mono);
}
.shot-bar i,
.window-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line-strong);
}
.shot-bar span,
.window-bar span {
  margin-left: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.works {
  margin-top: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  color: var(--dim);
  font-size: 0.8rem;
}
.works ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}
.works li {
  color: var(--muted);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.states {
  padding-top: 140px;
}
.section-lede {
  max-width: 560px;
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.6;
}
.state-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 40px;
}
.state-grid article {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.state-grid h3 {
  margin: 16px 0 6px;
  font-size: 1rem;
  font-weight: 600;
}
.state-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}
.dot {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dim);
}
.dot.pass {
  background: var(--pass);
  box-shadow: 0 0 16px rgb(79 209 165 / 0.6);
}
.dot.fail {
  background: var(--fail);
  box-shadow: 0 0 16px rgb(255 122 102 / 0.55);
}
.dot.block {
  background: var(--block);
  box-shadow: 0 0 16px rgb(242 193 78 / 0.5);
}

.split {
  padding-top: 140px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.split > * {
  min-width: 0;
}
.split.flip .copy {
  order: 2;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--pass);
  font: 600 0.75rem/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.copy > p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.65;
}
.ticks {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 0.92rem;
}
.ticks li::before {
  content: "✓";
  margin-right: 10px;
  color: var(--pass);
}
.window {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
}
.window pre {
  margin: 0;
  padding: 20px;
  overflow-x: auto;
  color: #d4d7dc;
  font: 0.78rem/1.7 var(--font-mono);
}
.prompt {
  color: var(--pass);
}
.stack {
  display: grid;
  gap: 14px;
}

.video {
  padding-top: 140px;
}
.video-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 22px;
}
.video-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}
.speed {
  padding: 6px 12px;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font: 600 0.75rem/1 var(--font-mono);
  cursor: pointer;
}
.video video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: #000;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
}

.closing {
  padding: 160px 0 120px;
  text-align: center;
  display: grid;
  justify-items: center;
}
.closing h2 {
  margin-top: 28px;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
}
.closing p {
  max-width: 560px;
  margin: 20px 0 0;
  color: var(--muted);
  line-height: 1.6;
}
.footer {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--line);
}

@media (hover: hover) and (pointer: fine) {
  nav a:hover {
    color: var(--text);
  }
  .button:hover {
    background: var(--panel-2);
  }
  .button.primary:hover {
    background: #fff;
  }
  .speed:hover {
    color: var(--text);
  }
}
:focus-visible {
  outline: 2px solid var(--pass);
  outline-offset: 3px;
}

/* Below this width the anchored chips would run off the edge, so they are hidden. */
/*
 * Below this width the floating chips would run off the edge or into the buttons, so they
 * become a row above the headline instead, with the same run and replay.
 */
@media (max-width: 1280px) {
  .chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin: -48px auto 40px;
    max-width: 760px;
  }
  .chip {
    position: static;
    animation: chip-in 700ms var(--ease-out) backwards;
  }
  .chip:active {
    transform: scale(0.97);
  }
}
@media (max-width: 640px) {
  .chips {
    margin: -40px auto 28px;
    gap: 6px;
  }
  .chip {
    padding: 7px 10px;
  }
  .chip .detail {
    display: none;
  }
  .chip .state {
    margin-right: 0;
  }
}
@media (max-width: 1000px) {
  .state-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .split.flip .copy {
    order: 0;
  }
}
@media (max-width: 560px) {
  nav a:not(.pill-link) {
    display: none;
  }
  .hero {
    padding-top: 56px;
  }
  .state-grid {
    grid-template-columns: 1fr;
  }
  .split,
  .states,
  .video {
    padding-top: 96px;
  }
  .command code {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .mark img,
  .chip,
  .chip .state b {
    animation: none !important;
  }
  .chip .running {
    opacity: 0;
  }
  .chip .state b:not(.running) {
    opacity: 1;
  }
  .mark img {
    transform: translateX(-75%);
  }
}

.ways {
  padding-top: 140px;
}
.way-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 36px;
}
.way-grid article {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.way-grid > article > code {
  color: var(--pass);
  font-size: 0.8rem;
}
.way-grid h3 {
  margin: 14px 0 6px;
  font-size: 1rem;
  font-weight: 600;
}
.way-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}
@media (max-width: 1000px) {
  .way-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .way-grid {
    grid-template-columns: 1fr;
  }
  .ways {
    padding-top: 96px;
  }
}