@font-face {
  font-family: Geist;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/Geist-Variable.woff2") format("woff2");
}

@font-face {
  font-family: "Geist Mono";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/GeistMono-Variable.woff2") format("woff2");
}

:root {
  --ink: #fafafa;
  --panel: #ffffff;
  --raised: #ffffff;
  --hairline: #e4e4e7;
  --copper: #0f766e;
  --amber: #14b8a6;
  --paper: #18181b;
  --muted: #71717a;
  --fail: #b91c1c;
  --radius: 8px;
  --font-sans: Geist, ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #09090b;
    --panel: #18181b;
    --raised: #18181b;
    --hairline: #27272a;
    --copper: #2dd4bf;
    --amber: #5eead4;
    --paper: #f4f4f5;
    --muted: #a1a1aa;
    --fail: #f87171;
  }
}

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

html {
  background: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  background: var(--ink);
}

button,
input,
select,
textarea {
  font: inherit;
  font-family: inherit;
  letter-spacing: inherit;
}

a {
  color: inherit;
}

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

::selection {
  background: var(--copper);
  color: #ffffff;
}

.page {
  display: flex;
  flex-direction: column;
  width: min(80rem, 100%);
  min-height: 100dvh;
  margin: 0 auto;
  padding: 0 1rem;
  overflow-x: clip;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--hairline);
}

.nav nav {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  border-radius: var(--radius);
  color: var(--paper);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  text-decoration: none;
  outline: none;
  transition: color 0.2s ease;
}

.brand:hover {
  color: var(--copper);
}

.mark {
  display: block;
  flex-shrink: 0;
  width: auto;
  height: 1.75rem;
  overflow: visible;
}

.mark-sm {
  height: 1.25rem;
}

.mark-lg {
  height: 3rem;
}

.icon {
  display: block;
  flex-shrink: 0;
  width: 15px;
  height: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  min-height: 2.5rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  outline: none;
  transition:
    transform 0.15s ease,
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

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

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  border-color: var(--copper);
  background: var(--copper);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.12em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.btn-primary:hover {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}

.copy-status {
  color: var(--copper);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.copy-status:empty {
  display: none;
}

.copy-status.is-fail {
  color: var(--fail);
}

[data-copy="clone"] .copy-status:not(:empty) {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  background: var(--ink);
}

.btn-primary[data-copy="clone"] .copy-status:not(:empty) {
  background: var(--copper);
  color: var(--ink);
}

.btn:focus-visible,
.brand:focus-visible,
.tape-track:focus-visible,
.footer a:focus-visible,
.guide-jump a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--ink), 0 0 0 4px var(--copper);
}

.os-tabs button:focus-visible,
.commands button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--panel), 0 0 0 4px var(--copper);
}

.hero {
  display: grid;
  gap: 2.5rem;
  min-width: 0;
  padding: 3rem 0;
}

.hero-copy {
  max-width: 32rem;
  min-width: 0;
}

.eyebrow {
  color: var(--copper);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin-top: 1rem;
  max-width: 9ch;
  color: var(--paper);
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.lede {
  margin-top: 1.25rem;
  max-width: 38ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.75rem;
}

.printout {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 28px 80px -54px color-mix(in oklab, var(--copper) 70%, transparent);
}

.printout-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--hairline);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tape-shell {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
  overflow-x: clip;
}

.tape-readout {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.5rem;
}

.tape-track {
  display: flex;
  min-height: 8rem;
  cursor: ew-resize;
  touch-action: pan-y;
  outline: none;
}

.tape-group {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
  overflow: hidden;
  padding: 0 0.375rem;
}

.tape-group:first-child {
  padding-left: 0;
}

.tape-group + .tape-group {
  border-left: 1px solid var(--hairline);
}

.tape-group p {
  min-height: 2rem;
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  line-height: 1.25;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.tape-bars {
  display: flex;
  align-items: flex-end;
  gap: 1px;
  height: 7rem;
}

.tape-bar {
  min-width: 0;
  flex: 1;
  transform-origin: bottom center;
  background: var(--copper);
}

.tape-bar.is-fail {
  background: color-mix(in oklab, var(--fail) 70%, transparent);
}

.tape-bar.is-empty {
  background: var(--hairline);
}

.tape-bar.is-selected {
  background: var(--amber);
}

.tape-bar.is-fail.is-selected {
  background: var(--fail);
}

.tape-axis {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media (prefers-reduced-motion: no-preference) {
  .tape-bar {
    animation: tape-rise 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
  }
}

@keyframes tape-rise {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

.setup,
.isp,
.system,
.sample-runs {
  padding: 3.5rem 0;
  border-top: 1px solid var(--hairline);
}

.setup {
  display: grid;
  gap: 2.5rem;
}

.setup-copy {
  max-width: 24rem;
}

h2 {
  max-width: 18ch;
  color: var(--paper);
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.setup-copy p,
.isp > p,
.sample-runs > p,
.close-panel p {
  margin-top: 0.75rem;
  max-width: 54ch;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5rem;
}

.setup-copy p {
  max-width: 36ch;
}

.setup-panel {
  min-width: 0;
  padding: 0 1.25rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--panel);
}

.os-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--hairline);
}

.os-tabs button {
  min-height: 2rem;
  padding: 0.375rem 0.75rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.os-tabs button:hover {
  color: var(--paper);
}

.os-tabs button[aria-selected="true"] {
  border-color: var(--copper);
  color: var(--copper);
}

.commands {
  list-style: none;
  padding: 0;
  margin: 0;
}

.commands li + li {
  border-top: 1px solid var(--hairline);
}

.commands button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  width: 100%;
  padding: 1.5rem 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  outline: none;
}

.commands button:hover,
.commands button:hover .name {
  color: var(--copper);
}

.commands button:active {
  transform: translateY(1px);
}

.commands .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
}

.commands .name {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--paper);
  font-size: 0.875rem;
  font-weight: 500;
}

.commands code {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.25rem;
}

.commands .status {
  flex-shrink: 0;
  color: var(--copper);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.commands .status.is-fail {
  color: var(--fail);
}

.commands .note {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.25rem;
}

.windows-note {
  padding: 1.25rem 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.25rem;
}

.nav-sticky {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--ink);
}

.guide-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
}

.guide-hero .guide-jump {
  margin-top: 1.5rem;
}

.guide-jump a {
  border-radius: var(--radius);
  padding: 0.375rem 0.5rem;
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  outline: none;
  transition: color 0.15s ease;
}

.guide-jump a:hover {
  color: var(--copper);
}

.guide-hero {
  max-width: 32rem;
  padding: 3rem 0 4rem;
}

.guide-hero h1 {
  margin-top: 0;
  max-width: 12ch;
}

.guide-section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--hairline);
  scroll-margin-top: 6rem;
}

.guide-section > p {
  margin-top: 0.75rem;
  max-width: 54ch;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5rem;
}

.guide-split {
  display: grid;
  gap: 2.5rem;
}

.guide-body,
.guide-commands,
.guide-items,
.guide-paths {
  margin-top: 2.5rem;
}

.guide-split + .guide-body {
  margin-top: 3rem;
}

.guide-items,
.guide-paths {
  display: grid;
  gap: 2rem;
}

.guide-items > div,
.guide-paths > div {
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
}

.guide-items dt,
.guide-paths dt {
  color: var(--paper);
  font-weight: 500;
}

.guide-items dd,
.guide-paths dd {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5rem;
}

.guide-paths dd {
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.25rem;
}

.footer a[aria-current="page"] {
  color: var(--paper);
}

.sample-cards {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
}

.run-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  padding: 1.5rem 1.25rem 1.5rem 1.75rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background:
    var(--panel)
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 12px,
      color-mix(in oklab, var(--copper) 8%, transparent) 12px,
      color-mix(in oklab, var(--copper) 8%, transparent) 13px
    );
}

.run-card-void {
  background-image: repeating-linear-gradient(
    -18deg,
    transparent,
    transparent 12px,
    color-mix(in oklab, var(--fail) 10%, transparent) 12px,
    color-mix(in oklab, var(--fail) 10%, transparent) 13px
  );
}

.run-card-top,
.run-card-rail {
  position: absolute;
  background: var(--copper);
}

.run-card-top {
  inset: 0 0 auto;
  height: 4px;
}

.run-card-rail {
  inset: 0 auto 0 0;
  width: 3px;
}

.run-card-void .run-card-top,
.run-card-void .run-card-rail {
  background: var(--fail);
}

.run-card header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.run-card header > p {
  color: var(--muted);
  font-size: 0.75rem;
}

.run-card header div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.run-id,
.run-chip {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
}

.run-id {
  color: var(--copper);
  font-family: var(--font-mono);
}

.run-chip {
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.run-chip-ok {
  border-color: color-mix(in oklab, var(--copper) 40%, transparent);
  color: var(--copper);
}

.run-chip-fail {
  border-color: color-mix(in oklab, var(--fail) 40%, transparent);
  color: var(--fail);
}

.run-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.run-metrics p:first-child {
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.run-metrics p:last-child {
  margin-top: 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.run-metric-accent {
  color: var(--copper);
}

.run-metrics span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
}

.run-details,
.run-error {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--hairline);
  font-size: 0.875rem;
  line-height: 1.5rem;
}

.run-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--muted);
}

.run-error {
  color: var(--fail);
}

.run-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
}

.run-tear {
  min-width: 0;
  flex: 1;
  height: 1px;
  background-image: repeating-linear-gradient(
    to right,
    var(--hairline) 0 5px,
    transparent 5px 9px
  );
}

.run-foot p {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.16em;
}

.steps {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
  padding: 0;
  list-style: none;
}

.steps li {
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
}

.steps h3 {
  color: var(--paper);
  font-size: 1rem;
  font-weight: 500;
}

.steps p {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5rem;
}

.system {
  display: grid;
  gap: 2rem;
}

.close-panel {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--panel);
}

.close-panel .mark {
  margin-bottom: 4rem;
}

.close-panel h2 {
  max-width: 18ch;
  font-size: 1.875rem;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.close-panel p {
  max-width: 50ch;
}

.facts {
  display: grid;
  align-content: start;
}

.facts > div {
  padding: 1.5rem 0;
  border-top: 1px solid var(--hairline);
}

.facts dt {
  color: var(--paper);
  font-weight: 500;
}

.facts dd {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5rem;
}

.footer {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2rem 0;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.25rem;
}

.footer-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.brand-foot {
  font-size: 0.875rem;
}

.footer nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer a {
  border-radius: var(--radius);
  text-decoration: none;
  outline: none;
  transition: color 0.15s ease;
}

.footer a:hover {
  color: var(--copper);
}

.sr-live,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.hero-actions .btn,
.commands button {
  position: relative;
}

@media (min-width: 640px) {
  .page {
    padding: 0 2rem;
  }

  .nav {
    max-height: 80px;
  }

  .nav nav {
    width: auto;
    flex-direction: row;
    align-items: center;
  }

  .btn {
    width: auto;
    padding-left: 1rem;
    padding-right: 1rem;
    font-size: 0.75rem;
  }

  h1 {
    font-size: 3.75rem;
  }

  .lede {
    font-size: 1.125rem;
  }

  .printout {
    padding: 1.5rem;
  }

  .tape-readout {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0 1rem;
    font-size: 1rem;
  }

  .tape-track {
    min-height: 10rem;
  }

  .tape-group {
    padding: 0 0.5rem;
  }

  .tape-bars {
    height: 11rem;
  }

  .setup-panel {
    padding: 0 1.5rem;
  }

  .commands code {
    font-size: 0.75rem;
    line-height: 1.5rem;
  }

  .close-panel {
    padding: 2rem;
  }

  .close-panel .mark {
    margin-bottom: 6rem;
  }

  .close-panel h2 {
    font-size: 2.25rem;
  }

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

  .sample-cards {
    grid-template-columns: 1fr 1fr;
  }

  .facts > div {
    min-height: 10rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }

  .footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: minmax(0, 0.76fr) minmax(0, 1.24fr);
    align-items: end;
    gap: 2.5rem;
    padding: 4rem 0;
  }

  .setup {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 3.5rem;
    padding: 5rem 0;
  }

  .guide-split {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 3.5rem;
  }

  .guide-section,
  .guide-hero {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .guide-hero {
    padding-top: 4rem;
  }

  .guide-items,
  .guide-paths {
    grid-template-columns: 1fr 1fr;
    column-gap: 2.5rem;
  }

  .isp,
  .system,
  .sample-runs {
    padding: 5rem 0;
  }

  h2,
  .setup h2,
  .isp h2,
  .sample-runs h2 {
    font-size: 2.25rem;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
    column-gap: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .page {
    padding: 0 2.5rem;
  }

  .hero {
    gap: 4rem;
  }

  h1 {
    font-size: 4.5rem;
  }

  .close-panel h2 {
    font-size: 3rem;
  }

  .system {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: 3.5rem;
  }

  .guide-body {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    display: grid;
    gap: 2.5rem;
  }

  .guide-body .guide-items,
  .guide-body .guide-paths {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}