@font-face {
  font-family: "Space Grotesk Variable";
  src: url("./assets/space-grotesk-latin-wght-normal.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("./assets/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
:root {
  --color-brand-accent: #04d9ff;
  --color-brand-ink: light-dark(#00788c, #04d9ff);
  --color-accent-contrast: oklch(0.148 0.01 220);
  --color-neutral-50: light-dark(#132226, #fff);
  --color-neutral-300: light-dark(#34484d, oklch(0.87 0.01 220));
  --color-neutral-400: light-dark(#43585e, oklch(0.708 0.012 220));
  --color-neutral-500: light-dark(#536a70, oklch(0.556 0.014 220));
  --color-neutral-800: light-dark(#c9d8dc, oklch(0.269 0.014 220));
  --color-neutral-900: light-dark(#edf4f6, oklch(0.205 0.012 220));
  --color-neutral-950: light-dark(#f8fbfc, oklch(0.148 0.01 220));
  --font-sans:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-display: "Space Grotesk Variable", var(--font-sans);
  --font-mono:
    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas,
    "Liberation Mono", Menlo, monospace;
  color-scheme: light dark;
}
:root[data-theme="light"] {
  color-scheme: light;
}
:root[data-theme="dark"] {
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;
  border: 0;
  clip-path: inset(50%);
}
/* Every page carries both languages; lang.js sets data-lang before the first paint.
   Without JavaScript data-lang stays "pl", so exactly one language is ever visible. */
:root[data-lang="pl"] .t[lang="en"],
:root[data-lang="en"] .t[lang="pl"] {
  display: none;
}
body {
  margin: 0;
  font: 1rem / 1.7 var(--font-sans);
  color: var(--color-neutral-300);
  background: var(--color-neutral-950);
}
a {
  color: var(--color-brand-ink);
  text-underline-offset: 0.22em;
}
a:hover {
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 2px solid var(--color-brand-ink);
  outline-offset: 5px;
}
.wrap {
  max-width: 80rem;
  padding-inline: 2rem;
  margin-inline: auto;
}
html {
  scroll-padding-top: 7rem;
}
.skip-link {
  position: fixed;
  top: -6rem;
  left: 1rem;
  z-index: 50;
  padding: 0.75rem 1rem;
  background: var(--color-neutral-950);
}
.skip-link:focus {
  top: 1rem;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--color-neutral-950) 95%, transparent);
  border-bottom: 1px solid var(--color-neutral-800);
}
.header-inner {
  display: flex;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
}
.header-actions {
  display: flex;
  gap: 1.75rem;
  align-items: center;
  margin-left: auto;
}
.brand {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  width: 10rem;
  min-height: 44px;
}
.logo {
  display: block;
  width: 10rem;
  height: auto;
  margin-left: -0.5rem;
}
.logo-dark {
  display: none;
}
[data-theme="dark"] .logo-dark {
  display: block;
}
[data-theme="dark"] .logo-light {
  display: none;
}
@media (prefers-color-scheme: dark) {
  [data-theme="system"] .logo-dark {
    display: block;
  }
  [data-theme="system"] .logo-light {
    display: none;
  }
}
.version,
.release-date,
.asset-meta,
.asset-kind,
.theme-control {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 400;
}
.site-header nav a {
  font-size: 0.875rem;
  text-decoration: none;
}
.site-header nav a:hover {
  color: var(--color-neutral-50);
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--color-neutral-300);
}
.lang-toggle {
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.25rem;
  font: 0.75rem / 1.5 var(--font-mono);
  color: var(--color-neutral-400);
  cursor: pointer;
  background: transparent;
  border: 0;
  transition: color 150ms;
}
.lang-toggle:hover,
.lang-toggle:focus-visible {
  color: var(--color-neutral-50);
}
.lang-globe {
  flex-shrink: 0;
  width: 0.875rem;
  height: 0.875rem;
  color: var(--color-neutral-500);
}
.lang-toggle:hover .lang-globe,
.lang-toggle:focus-visible .lang-globe {
  color: inherit;
}
.theme-control {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
}
.theme-control select {
  min-height: 44px;
  padding: 0.5rem 1.25rem 0.5rem 0.25rem;
  font: 0.75rem / 1.5 var(--font-mono);
  color: var(--color-neutral-400);
  appearance: none;
  cursor: pointer;
  background: transparent;
  border: 0;
  border-radius: 0;
  transition: color 150ms;
}
.theme-control select:hover,
.theme-control select:focus-visible {
  color: var(--color-neutral-50);
}
.theme-control option {
  color: var(--color-neutral-50);
  background: var(--color-neutral-950);
}
.theme-chevron {
  position: absolute;
  right: 0;
  width: 0.75rem;
  height: 0.75rem;
  color: var(--color-neutral-500);
  pointer-events: none;
}
.hero {
  padding-top: 4rem;
  padding-bottom: 3rem;
}
.eyebrow {
  margin: 0 0 1.75rem;
  font: 400 0.75rem / 1.4 var(--font-mono);
  color: var(--color-brand-ink);
  text-transform: uppercase;
}
h1,
h2,
h3,
h4,
h5 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-neutral-50);
  text-wrap: balance;
}
h1 {
  max-width: 50rem;
  font-size: clamp(3rem, 6vw, 4.5rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
}
.intro {
  max-width: 40rem;
  margin: 2rem 0;
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: 1.65;
}
.hero-link {
  position: relative;
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.875rem 1.25rem;
  font-weight: 600;
  color: var(--color-accent-contrast);
  text-decoration: none;
  isolation: isolate;
}
.hero-link::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: var(--color-brand-accent);
  clip-path: polygon(
    0 0,
    calc(100% - 0.625rem) 0,
    100% 0.625rem,
    100% 100%,
    0 100%
  );
}
.hero-link:hover::before {
  background: #fff;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  margin: 0;
}
.hero-alt {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9375rem;
}
.hatch {
  height: 8px;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0 5px,
    color-mix(in srgb, var(--color-brand-ink) 35%, transparent) 5px 6px
  );
}
.pipeline {
  padding-top: 3.5rem;
  padding-bottom: 1rem;
}
.diagram {
  margin: 0;
}
/* The diagram is one drawing, not a layout that reflows, so on a narrow screen
   it scrolls sideways rather than shrinking its labels below reading size. The
   cards under it carry the same eleven stages in a single column. */
.diagram-scroll {
  overflow-x: auto;
  overscroll-behavior-x: contain;
}
/* Shown only where the drawing is wider than the column it sits in. */
.diagram-hint {
  display: none;
}
.diagram-svg {
  display: block;
  width: 100%;
  min-width: 52rem;
  height: auto;
}
.d-band {
  fill: color-mix(in srgb, var(--color-neutral-900) 65%, transparent);
  stroke: var(--color-neutral-800);
  stroke-width: 1;
}
.d-box {
  fill: var(--color-neutral-950);
  stroke: var(--color-neutral-800);
  stroke-width: 1;
}
.d-capsule {
  fill: none;
  stroke: var(--color-brand-ink);
  stroke-width: 1;
}
.d-capsule-text {
  font: 400 15px var(--font-sans);
  fill: var(--color-neutral-300);
}
.d-phase {
  font: 400 13px var(--font-mono);
  letter-spacing: 0.08em;
  fill: var(--color-brand-ink);
}
.d-phase-note,
.d-split {
  font: 400 13px var(--font-sans);
  fill: var(--color-neutral-400);
}
.d-num {
  font: 400 12px var(--font-mono);
  fill: var(--color-brand-ink);
}
.d-name {
  font: 600 16px var(--font-display);
  fill: var(--color-neutral-50);
}
.d-flow {
  fill: none;
  stroke: var(--color-neutral-400);
  stroke-width: 1.5;
}
.d-tip {
  fill: var(--color-neutral-400);
}
.diagram figcaption {
  max-width: 46rem;
  margin-top: 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-neutral-400);
}
.pipeline-back {
  margin-top: 2.5rem;
}
.phases,
.stages {
  padding: 0;
  margin: 0;
  list-style: none;
}
.phase {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 2rem;
}
.phase + .phase {
  padding-top: 2.5rem;
  margin-top: 2.5rem;
}
.phase-rail {
  padding-top: 1rem;
  border-top: 2px solid var(--color-brand-ink);
}
.phase-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-neutral-50);
}
.phase-note {
  margin: 0.5rem 0 0;
  font-size: 0.9375rem;
  color: var(--color-neutral-400);
}
/* One column per stage, each opening with a rule: the same shape the release
   rail and every track panel use, so the diagram reads as part of the page. */
.stages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11.5rem, 1fr));
  gap: 1.5rem;
}
.stage {
  min-width: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--color-neutral-800);
}
.stage-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-neutral-50);
  text-wrap: balance;
}
.stage-number {
  display: block;
  margin-bottom: 0.25rem;
  font: 400 0.875rem / 1 var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--color-brand-ink);
}
.stage-badge {
  margin: 0.5rem 0 0;
  font: 400 0.75rem / 1.4 var(--font-mono);
  color: var(--color-brand-ink);
}
.stage-io {
  margin: 0.875rem 0 0;
  font-size: 0.9375rem;
}
.stage-io dt {
  font: 400 0.6875rem / 1.4 var(--font-mono);
  color: var(--color-neutral-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.stage-io dd {
  margin: 0.125rem 0 0;
  line-height: 1.5;
}
.stage-io dd + dt {
  margin-top: 0.75rem;
}
.pipeline-note {
  max-width: 46rem;
  margin: 2.5rem 0 0;
}
.pipeline-note strong {
  color: var(--color-neutral-50);
}
.changelog {
  padding-top: 3.5rem;
  padding-bottom: 4rem;
}
.section-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}
h2 {
  font-size: 2.25rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
}
.section-heading p {
  margin: 0;
  color: var(--color-neutral-400);
}
.section-heading h2 + p {
  margin-top: 0.5rem;
}
.release-picker {
  position: relative;
  min-width: 13rem;
  margin: 0;
  background: var(--color-neutral-950);
  border: 1px solid var(--color-neutral-400);
  border-radius: 4px;
}
.release-picker summary {
  padding: 0.75rem 1rem;
  font-size: 1rem;
}
.release-picker strong {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-weight: 400;
}
.release-picker nav {
  position: absolute;
  top: 100%;
  right: -1px;
  left: -1px;
  z-index: 2;
  display: grid;
  gap: 0;
  padding: 0.5rem;
  background: var(--color-neutral-950);
  border: 1px solid var(--color-neutral-400);
}
.release-picker nav a {
  padding: 0.5rem;
  border-left: 3px solid transparent;
}
.release-picker nav a[aria-current="page"] {
  font-weight: 600;
  background: var(--color-neutral-900);
  border-left-color: var(--color-brand-ink);
}
.release-details {
  margin: 1.5rem 0;
}
.release-details summary {
  font-size: 1rem;
}
.source-document {
  padding: 1.25rem;
  margin: 1.5rem 0 2rem;
  background: var(--color-neutral-900);
}
.source-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: baseline;
  justify-content: space-between;
}
.source-heading a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.875rem;
}
.source-meta {
  margin: 0.25rem 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-neutral-400);
  overflow-wrap: anywhere;
}
.source-description {
  margin: 0 0 0.75rem;
}
.source-copy {
  margin: 1rem 0 0;
  font: 1rem / 1.75 var(--font-sans);
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.release {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 2rem;
  scroll-margin-top: 2rem;
}
.release + .release {
  padding-top: 3rem;
  margin-top: 4rem;
  border-top: 1px solid var(--color-neutral-800);
}
.release-rail {
  padding-top: 1rem;
  border-top: 2px solid var(--color-brand-ink);
}
.version {
  font-size: 1.25rem;
  color: var(--color-brand-ink);
  text-decoration: none;
}
.release-date {
  display: block;
  margin-top: 0.5rem;
  color: var(--color-neutral-400);
}
h3 {
  font-size: 1.875rem;
  line-height: 1.25;
  letter-spacing: -0.025em;
}
.release-intro {
  max-width: 43rem;
  margin-top: 1rem;
}
.release-changes {
  padding-left: 1.25rem;
  margin: 1.25rem 0 1.5rem;
}
.release-changes li {
  padding-left: 0.25rem;
  margin-top: 0.5rem;
}
.release-changes li::marker {
  color: var(--color-brand-ink);
}
.release-note {
  max-width: 48rem;
  margin: 0 0 2rem;
  font-size: 0.875rem;
  color: var(--color-neutral-400);
}
.track-gallery {
  min-width: 0;
  padding: 0;
  margin: 0;
  border: 0;
}
.track-gallery legend {
  margin-bottom: 0.5rem;
  font: 600 1.25rem / 1.35 var(--font-display);
  color: var(--color-neutral-50);
}
.gallery-note {
  max-width: 43rem;
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  color: var(--color-neutral-400);
}
.track-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.track-options label {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.625rem 0.875rem;
  font: 0.875rem / 1.5 var(--font-mono);
  color: var(--color-neutral-300);
  cursor: pointer;
  border: 1px solid var(--color-neutral-800);
  border-radius: 4px;
}
.track-options input:checked + label {
  color: var(--color-brand-ink);
  text-decoration: underline;
  text-underline-offset: 0.25em;
  background: var(--color-neutral-900);
  border-color: var(--color-brand-ink);
}
.track-options input:focus-visible + label {
  outline: 2px solid var(--color-brand-ink);
  outline-offset: 3px;
}
.tracks {
  display: block;
}
.track {
  min-width: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-neutral-800);
}
/* One track at a time. Browsers without :has() keep every panel as a readable list. */
.track-gallery:has(input:checked) .track {
  display: none;
}
.track-gallery:has(input[value="gpt-image"]:checked)
  .track[data-track="gpt-image"],
.track-gallery:has(input[value="seedream"]:checked)
  .track[data-track="seedream"] {
  display: block;
}
.asset-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.875rem;
}
h4 {
  font-size: 1.25rem;
  line-height: 1.35;
}
.asset-kind {
  color: var(--color-neutral-400);
}
.player {
  width: 100%;
  background: #000;
}
video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}
.asset-meta {
  font-variant-numeric: tabular-nums;
  color: var(--color-neutral-400);
}
.asset-download {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  align-items: center;
  margin-block: 0.75rem;
}
.asset-download > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.875rem;
}
.media-error {
  margin: 0.5rem 0;
  font-size: 0.875rem;
}
.stills {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 1.25rem;
  padding: 0;
  margin: 1rem 0;
  list-style: none;
}
.stills figure {
  margin: 0;
}
.stills img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--color-neutral-900);
}
.stills figcaption {
  margin-top: 0.5rem;
  font: 0.8125rem / 1.5 var(--font-mono);
  color: var(--color-neutral-400);
  overflow-wrap: anywhere;
}
.stills figcaption strong {
  font-weight: 400;
  color: var(--color-neutral-300);
}
.still-wide {
  grid-column: 1 / -1;
  max-width: 48rem;
}
.documents {
  margin-top: 2.5rem;
}
.documents > h4 {
  margin-bottom: 0.5rem;
}
.documents > p {
  max-width: 43rem;
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  color: var(--color-neutral-400);
}
.document-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: baseline;
  margin-bottom: 0.5rem;
}
h5 {
  font-size: 1rem;
  line-height: 1.4;
}
.document-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-neutral-400);
}
.document-description {
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
}
details {
  margin-top: 0.25rem;
  border-top: 1px solid var(--color-neutral-800);
}
summary {
  min-height: 44px;
  padding-block: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-neutral-50);
  cursor: pointer;
}
.document-copy {
  max-height: 34rem;
  padding: 1rem;
  margin: 0;
  overflow-y: auto;
  font: 0.9375rem / 1.7 var(--font-sans);
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  background: var(--color-neutral-900);
}
.site-footer {
  background: color-mix(
    in srgb,
    var(--color-neutral-900) 40%,
    var(--color-neutral-950)
  );
  border-top: 1px solid var(--color-neutral-800);
}
.footer-legal {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-block: 1.5rem 0;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--color-neutral-500);
}
.footer-legal p {
  margin: 0;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-contact a {
  position: relative;
  align-self: flex-start;
  color: inherit;
  text-decoration: none;
}
.footer-contact a::before {
  position: absolute;
  inset: -0.8125rem 0;
  content: "";
}
.footer-links {
  gap: 1.25rem;
  padding-block: 0.25rem 0.75rem;
}
.footer-links a {
  font-size: 0.75rem;
  color: var(--color-neutral-500);
  text-decoration: none;
}
.footer-contact a:hover,
.footer-links a:hover {
  color: var(--color-brand-ink);
}
@media (min-width: 40rem) {
  .footer-contact {
    flex-direction: row;
    gap: 1.25rem;
  }
}
@media (min-width: 64rem) {
  .footer-legal {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
@media (max-width: 56rem) {
  .diagram-hint {
    display: block;
    margin: 0 0 0.75rem;
    font: 400 0.8125rem / 1.5 var(--font-mono);
    color: var(--color-neutral-400);
  }
}
@media (max-width: 60rem) {
  .phase,
  .release {
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: 1.5rem;
  }
}
@media (max-width: 44rem) {
  .wrap {
    padding-inline: 1.25rem;
  }
  .hero {
    padding-top: 3rem;
  }
  .phase,
  .release {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .release-rail {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: baseline;
  }
  .release-date {
    margin: 0;
  }
  .section-heading {
    margin-bottom: 2rem;
  }
  .stills {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 39.999rem) {
  html {
    scroll-padding-top: 9rem;
  }
  .header-inner {
    flex-wrap: wrap;
    padding-block: 0.75rem;
  }
  .header-actions {
    gap: 0.5rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}