:root {
  --bg: #070707;
  --surface: #111111;
  --surface-2: #181818;
  --ink: #f5f2eb;
  --muted: #aaa79f;
  --line: #363636;
  --signal: #d7ff33;
  --signal-2: #50e6ff;
  --warning: #ff7657;
  --measure: 74rem;
  --reading: 48rem;
  --radius: 0.25rem;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 18rem;
  color: var(--ink);
  background:
    linear-gradient(rgba(255,255,255,.027) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.027) 1px, transparent 1px),
    var(--bg);
  background-size: 2rem 2rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .22em; }
a:hover { color: var(--signal); }
img, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }

:focus-visible {
  outline: .2rem solid var(--signal);
  outline-offset: .25rem;
}

:is(.skip-link,.sl) {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  padding: .65rem .9rem;
  color: #070707;
  background: var(--signal);
  transform: translateY(-180%);
  transition: transform .15s ease;
}

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(7,7,7,.94);
  backdrop-filter: blur(1rem);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  width: min(calc(100% - 2rem), var(--measure));
  min-height: 4.5rem;
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  gap: .8rem;
  align-items: center;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.025em;
}

.brand-mark {
  display: grid;
  width: 2.1rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--signal);
  color: var(--signal);
  font-size: .73rem;
  letter-spacing: .06em;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .08em;
  line-height: 1.1;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--surface);
}

.primary-nav { justify-self: end; }

.primary-nav ul {
  display: flex;
  gap: .15rem;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-nav a {
  display: block;
  padding: .5rem .65rem;
  color: var(--muted);
  font-size: .82rem;
  text-decoration: none;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] { color: var(--ink); background: var(--surface-2); }

.language-switch {
  display: flex;
  border: 1px solid var(--line);
}

.language-switch a {
  padding: .35rem .55rem;
  font-size: .75rem;
  text-decoration: none;
}

.language-switch a[aria-current="true"] { color: #070707; background: var(--signal); }

main { min-height: 70vh; }

:is(.shell,.sh) {
  width: min(calc(100% - 2rem), var(--measure));
  margin-inline: auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(17rem, .7fr);
  gap: clamp(2rem, 6vw, 7rem);
  min-height: min(80vh, 50rem);
  padding-block: clamp(4rem, 9vw, 8rem);
  border-bottom: 1px solid var(--line);
}

:is(.eyebrow,.eb),
.kicker {
  margin: 0 0 1rem;
  color: var(--signal);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin-top: 0;
  font-weight: 760;
  letter-spacing: -.045em;
  line-height: .98;
}

h1 { max-width: 11ch; margin-bottom: 1.5rem; font-size: clamp(3.2rem, 8.8vw, 8rem); }
h2 { margin-bottom: 1.25rem; font-size: clamp(2.1rem, 4vw, 4.2rem); }
h3 { margin-bottom: .75rem; font-size: clamp(1.35rem, 2vw, 2rem); line-height: 1.08; }

.lede {
  max-width: 48rem;
  margin: 0;
  color: #d8d5ce;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.45;
}

.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }

.button {
  display: inline-flex;
  min-height: 3rem;
  gap: .5rem;
  align-items: center;
  justify-content: center;
  padding: .7rem 1rem;
  border: 1px solid var(--signal);
  color: #070707;
  background: var(--signal);
  font-size: .82rem;
  font-weight: 750;
  letter-spacing: .04em;
  text-decoration: none;
  text-transform: uppercase;
}

.button.secondary { color: var(--ink); border-color: var(--line); background: transparent; }
.button:hover { color: #070707; background: var(--signal-2); border-color: var(--signal-2); }
.button.secondary:hover { color: var(--ink); background: var(--surface-2); border-color: var(--signal); }

.signal-field {
  position: relative;
  overflow: hidden;
  min-height: 24rem;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 25% 28%, transparent 0 12%, var(--signal) 12.3% 12.8%, transparent 13.1%),
    radial-gradient(circle at 72% 65%, transparent 0 22%, var(--signal-2) 22.3% 22.7%, transparent 23%),
    repeating-linear-gradient(128deg, transparent 0 1.35rem, rgba(255,255,255,.11) 1.4rem 1.45rem),
    #101010;
}

.signal-field::after {
  content: "CIAŁO / TECHNOLOGIA / SPRAWCZOŚĆ";
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  writing-mode: vertical-rl;
  color: var(--muted);
  font-size: .68rem;
  letter-spacing: .16em;
}

.signal-node {
  position: absolute;
  top: 43%;
  left: 42%;
  width: 5rem;
  aspect-ratio: 1;
  border: 1px solid var(--ink);
  border-radius: 50%;
  box-shadow: 0 0 0 1.5rem rgba(215,255,51,.04), 0 0 0 4.5rem rgba(80,230,255,.025);
}

.section { padding-block: clamp(4rem, 8vw, 8rem); border-bottom: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: .55fr 1.45fr; gap: 2rem; margin-bottom: 2.5rem; }
.section-head p { max-width: 42rem; margin: 0; color: var(--muted); font-size: 1.08rem; }

.work-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }

.work-card {
  position: relative;
  display: flex;
  min-height: 23rem;
  flex-direction: column;
  justify-content: space-between;
  grid-column: span 6;
  padding: 1.4rem;
  border: 1px solid var(--line);
  background: var(--surface);
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease;
}

.work-card:nth-child(3n) { grid-column: span 12; min-height: 20rem; }
.work-card:hover { color: var(--ink); border-color: var(--signal); transform: translateY(-.18rem); }
.work-card .index { color: var(--signal); font: 700 .72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.work-card .meta { margin: 0; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.work-card h3 { max-width: 16ch; margin-top: auto; }
.work-card p { max-width: 36rem; margin: .75rem 0 0; color: var(--muted); }
.work-card .arrow { position: absolute; top: 1.2rem; right: 1.3rem; color: var(--signal-2); font-size: 1.4rem; }

.work-card[data-accent="cyan"] { background: linear-gradient(145deg, rgba(80,230,255,.1), transparent 55%), var(--surface); }
.work-card[data-accent="lime"] { background: linear-gradient(145deg, rgba(215,255,51,.11), transparent 55%), var(--surface); }
.work-card[data-accent="warm"] { background: linear-gradient(145deg, rgba(255,118,87,.1), transparent 55%), var(--surface); }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 0; border: 1px solid var(--line); background: var(--line); }
.fact { padding: 1.2rem; background: var(--surface); }
.fact dt { color: var(--muted); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.fact dd { margin: .45rem 0 0; font-size: 1.05rem; line-height: 1.35; }

.page-hero { padding-block: clamp(4rem, 8vw, 7rem) 3.5rem; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 13ch; font-size: clamp(3rem, 7vw, 6.8rem); }
.page-hero .lede { max-width: 52rem; }

.content-grid { display: grid; grid-template-columns: minmax(13rem, .42fr) minmax(0, 1fr); gap: clamp(2rem, 7vw, 7rem); }
.sidebar { align-self: start; position: sticky; top: 6.5rem; }
.sidebar ul { margin: 0; padding: 0; list-style: none; }
.sidebar a { display: block; padding: .55rem 0; color: var(--muted); font-size: .85rem; text-decoration: none; }
.sidebar a:hover { color: var(--signal); }

.prose { max-width: var(--reading); }
.prose p, .prose li { color: #d1cec8; }
.prose > p:first-of-type { color: var(--ink); font-size: 1.22rem; }
.prose h2 { margin-top: 4rem; font-size: clamp(1.8rem, 3.5vw, 3rem); }
.prose h3 { margin-top: 2.5rem; }
.prose blockquote { margin: 2rem 0; padding: 1.25rem 1.5rem; border-left: .25rem solid var(--signal); background: var(--surface); }
.prose blockquote p { margin: 0; color: var(--ink); font-size: 1.1rem; }
.prose a { color: var(--signal-2); }
.prose strong { color: var(--ink); }

.timeline { margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 5rem 1fr; gap: 1rem; padding: 1.25rem 0; border-top: 1px solid var(--line); }
.timeline time { color: var(--signal); font: 700 .84rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.timeline p { margin: 0; }

.source-list { margin: 0; padding: 0; list-style: none; }
.source-list li { padding: 1rem 0; border-top: 1px solid var(--line); }
.source-list a { display: inline-block; color: var(--signal-2); }

.status {
  display: inline-flex;
  align-items: center;
  padding: .22rem .5rem;
  border: 1px solid var(--warning);
  color: var(--warning);
  font-size: .68rem;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.quote-panel { padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--line); background: var(--surface); }
.quote-panel p { margin: 0; font-size: clamp(1.3rem, 2.5vw, 2.2rem); line-height: 1.3; }

.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.contact-card { min-height: 12rem; padding: 1.5rem; border: 1px solid var(--line); background: var(--surface); }
.contact-card h3 { font-size: 1.35rem; }
.contact-card p { color: var(--muted); }
.contact-card a { color: var(--signal); }

.site-footer { padding-block: 2.5rem; background: #050505; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.footer-inner p { margin: 0; color: var(--muted); font-size: .82rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: flex-end; }
.footer-links a { color: var(--muted); font-size: .82rem; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 60rem) {
  .header-inner { grid-template-columns: auto auto 1fr; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .primary-nav { display: none; position: absolute; top: 4.5rem; right: 1rem; left: 1rem; padding: .75rem; border: 1px solid var(--line); background: #0b0b0b; }
  .primary-nav[data-open="true"] { display: block; }
  .primary-nav ul { display: grid; grid-template-columns: repeat(2, 1fr); }
  .primary-nav a { padding: .8rem; }
  .language-switch { justify-self: end; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .signal-field { min-height: 19rem; }
  .section-head { grid-template-columns: 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .content-grid { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

@media (max-width: 42rem) {
  .header-inner { width: min(calc(100% - 1.2rem), var(--measure)); gap: .55rem; }
  .brand > span:last-child { display: none; }
  :is(.shell,.sh) { width: min(calc(100% - 1.2rem), var(--measure)); }
  h1 { font-size: clamp(2.9rem, 17vw, 5.2rem); }
  .work-card, .work-card:nth-child(3n) { grid-column: span 12; min-height: 19rem; }
  .facts { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 1fr; gap: .35rem; }
  .contact-grid, .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  .site-header, .site-footer, .actions, .sidebar { display: none !important; }
  body { color: #111; background: #fff; }
  a { color: #111; }
  .section, .page-hero { padding-block: 1.5rem; border-color: #bbb; }
  .prose { max-width: none; }
  .timeline li { break-inside: avoid; border-color: #ccc; }
}