/* Local OFL fonts: no external font requests at runtime. */
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("/biper/assets/fonts/atkinson-next-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02FF, U+1E00-1EFF, U+20A0-20CF, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("/biper/assets/fonts/atkinson-next-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215;
}
@font-face {
  font-family: "Atkinson Hyperlegible Mono";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("/biper/assets/fonts/atkinson-mono-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02FF, U+1E00-1EFF, U+20A0-20CF, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Atkinson Hyperlegible Mono";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("/biper/assets/fonts/atkinson-mono-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215;
}
@font-face {
  font-family: "Archivo Black";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/biper/assets/fonts/archivo-black-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02FF, U+1E00-1EFF, U+20A0-20CF, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Archivo Black";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/biper/assets/fonts/archivo-black-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215;
}

:root {
  color-scheme: light;
  --font-atkinson: "Atkinson Hyperlegible Next";
  --font-atkinson-mono: "Atkinson Hyperlegible Mono";
  --font-display: "Archivo Black";
  --bg: #f4e6c9;
  --surface: #fbf4e4;
  --surface-muted: #ecdcbb;
  --text: #171520;
  /* Atrament na plamach o STALYM kolorze (sygnal, limonka, zdjecia). Nie moze
     byc var(--text), bo ten odwraca sie w trybie ciemnym i tekst zniknalby
     z plyty, ktora sie nie odwraca. Jeden token zamiast dziewieciu literalow. */
  --ink-fixed: #171520;
  --muted: #4a4854;
  --border: #8d7b58;
  --border-strong: #5f5140;
  --primary: #4737d4;
  --primary-hover: #30249d;
  --primary-soft: #ddd8ff;
  --primary-contrast: #fffdf7;
  --signal: #ff5d3a;
  --signal-ink: #bd321a;
  --pulse: #c9ef63;
  --repeater: #d94425;
  --repeater-soft: #ffd8cb;
  --verified: #087357;
  --verified-soft: #ccebdd;
  --warning: #81540a;
  --warning-soft: #f2e0ae;
  --danger: #a22f33;
  --danger-soft: #f4d3d0;
  --map-bg: #d8dfd2;
  --map-aside: #1d1a2d;
  --map-aside-text: #f6f1e6;
  --content: 1240px;
  --page-pad: clamp(18px, 3.2vw, 48px);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #231b3e;
  --surface: #2d2450;
  --surface-muted: #372c60;
  --text: #f4efe5;
  --muted: #b5afbd;
  --border: #7a6cb8;
  --border-strong: #a99ade;
  --primary: #978cff;
  --primary-hover: #bdb6ff;
  --primary-soft: #2d2851;
  --primary-contrast: #15121e;
  --signal: #ff7354;
  --signal-ink: #ff7354;
  --pulse: #d5f875;
  --repeater: #ff7354;
  --repeater-soft: #4c2a28;
  --verified: #76d9b4;
  --verified-soft: #1c4035;
  --warning: #e7bc61;
  --warning-soft: #45371f;
  --danger: #ff9b9c;
  --danger-soft: #4d292d;
  --map-bg: #15151d;
  --map-aside: #06060a;
  --map-aside-text: #f6f1e6;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    color-scheme: dark;
    --bg: #231b3e;
    --surface: #2d2450;
    --surface-muted: #372c60;
    --text: #f4efe5;
    --muted: #b5afbd;
    --border: #7a6cb8;
    --border-strong: #a99ade;
    --primary: #978cff;
    --primary-hover: #bdb6ff;
    --primary-soft: #2d2851;
    --primary-contrast: #15121e;
    --signal: #ff7354;
    --signal-ink: #ff7354;
    --pulse: #d5f875;
    --repeater: #ff7354;
    --repeater-soft: #4c2a28;
    --verified: #76d9b4;
    --verified-soft: #1c4035;
    --warning: #e7bc61;
    --warning-soft: #45371f;
    --danger: #ff9b9c;
    --danger-soft: #4d292d;
    --map-bg: #15151d;
    --map-aside: #06060a;
    --map-aside-text: #f6f1e6;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-atkinson), sans-serif;
  font-size: 17px;
  line-height: 1.52;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
button:focus-visible, a:focus-visible, summary:focus-visible {
  /* --signal-ink, nie --signal: w light goly signal mial 2,47:1 do tla,
     a wymog dla obrysu UI to 3:1; w dark oba tokeny sa tozsame (Kimi C-06.3) */
  outline: 3px solid var(--signal-ink);
  outline-offset: 4px;
}
.site-shell { min-height: 100vh; overflow: clip; }
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 14px;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }
/* Brand and navigation */
.topbar {
  position: sticky;
  top: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  min-height: 82px;
  padding: 0 max(var(--page-pad), calc((100vw - var(--content)) / 2));
  border-bottom: 1px solid var(--border-strong);
  background: var(--bg);
}
.topbar-brand { display: flex; align-items: center; gap: 28px; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-height: 48px;
  color: var(--text);
  text-decoration: none;
}
.brand-mark {
  position: relative;
  display: block;
  width: 43px;
  height: 38px;
  color: var(--primary);
  flex: 0 0 auto;
}
.brand-mark i { position: absolute; display: block; }
.brand-seed {
  top: 15px;
  left: 1px;
  width: 9px;
  height: 9px;
  background: var(--signal);
  transform: rotate(45deg);
}
.brand-wave {
  border-right: 4px solid currentColor;
  border-radius: 0 100% 100% 0;
}
.brand-wave-one { top: 9px; left: 10px; width: 13px; height: 21px; }
.brand-wave-two { top: 2px; left: 16px; width: 22px; height: 35px; }
.brand-lockup { display: grid; line-height: 1; }
.brand-lockup strong {
  font-family: var(--font-display), sans-serif;
  font-size: 1.06rem;
  font-weight: 400;
  letter-spacing: .055em;
}
.brand-lockup small {
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--font-atkinson-mono), monospace;
  font-size: .47rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.on-air {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-family: var(--font-atkinson-mono), monospace;
  font-size: .58rem;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.on-air i { width: 7px; height: 7px; background: var(--pulse); border: 1px solid color-mix(in srgb, var(--text) 55%, transparent); }
.nav-drawer { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
.topbar nav { display: flex; justify-content: center; gap: clamp(17px, 2.2vw, 33px); }
.topbar nav a {
  position: relative;
  display: inline-flex;
  min-height: 82px;
  align-items: center;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 750;
  text-decoration: none;
}
.topbar nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 4px;
  background: var(--signal);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}
.topbar nav a:hover, .topbar nav a[aria-current="location"] { color: var(--text); }
.topbar nav a:hover::after, .topbar nav a[aria-current="location"]::after { transform: scaleX(1); transform-origin: left; }
.header-controls { display: flex; align-items: center; gap: 16px; }
.theme-switch, .lang-switch { display: inline-flex; align-items: center; gap: 3px; }
.theme-switch button, .lang-switch button, .lang-switch a {
  position: relative;
  min-height: 40px;
  padding: 6px 7px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-atkinson-mono), monospace;
  font-size: .62rem;
  font-weight: 700;
}
.theme-switch button::after, .lang-switch button::after, .lang-switch a::after {
  position: absolute;
  right: 7px;
  bottom: 5px;
  left: 7px;
  height: 2px;
  background: var(--signal);
  content: "";
  transform: scaleX(0);
}
.theme-switch button.active, .lang-switch button.active, .lang-switch a.active { color: var(--text); }
.theme-switch button.active::after, .lang-switch button.active::after, .lang-switch a.active::after { transform: scaleX(1); }
.lang-switch { padding-left: 12px; border-left: 1px solid var(--border); }
.lang-switch a { display: inline-flex; align-items: center; min-height: 36px; text-decoration: none; }
[data-portal-menu]:empty { display: none; }
.js-only[hidden] { display: none !important; }
.menu-toggle { display: none; }
/* Shared typography and actions */
.eyebrow, .mini-label, .status-label {
  margin: 0 0 13px;
  color: var(--primary);
  font-family: var(--font-atkinson-mono), monospace;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .095em;
  text-transform: uppercase;
}
.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 18px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-weight: 750;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  transition: transform 140ms ease, box-shadow 140ms ease, color 140ms ease, background 140ms ease;
}
.button:hover:not(:disabled) { border-color: var(--text); transform: translate(-2px, -2px); }
.button.primary {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--primary-contrast);
  box-shadow: 5px 5px 0 var(--signal);
}
.button.primary:hover:not(:disabled) { background: var(--primary-hover); box-shadow: 2px 2px 0 var(--signal); }
.button.secondary { background: var(--surface); }
.button.compact { min-height: 43px; padding: 8px 13px; font-size: .82rem; }
.button.full { width: 100%; }
.button:disabled { cursor: not-allowed; opacity: .48; transform: none; box-shadow: none; }
.text-link { color: var(--primary); font-weight: 750; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.mono { font-family: var(--font-atkinson-mono), monospace; }
/* Hero: signal spine, not a card layout */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(330px, .65fr);
  gap: clamp(52px, 8vw, 118px);
  align-items: start;
  max-width: var(--content);
  min-height: min(760px, calc(100vh - 82px));
  margin: 0 auto;
  padding: clamp(76px, 9vw, 132px) var(--page-pad) clamp(64px, 8vw, 108px);
}
.hero::before {
  position: absolute;
  top: 34px;
  right: var(--page-pad);
  color: color-mix(in srgb, var(--text) 5%, transparent);
  font-family: var(--font-display), sans-serif;
  font-size: clamp(8rem, 20vw, 17rem);
  line-height: .8;
  content: "868";
  pointer-events: none;
}
.hero-copy { position: relative; z-index: 1; }
.hero h1, .project-overview h1 {
  margin: 0;
  font-family: var(--font-display), sans-serif;
  font-weight: 400;
  letter-spacing: -.055em;
  line-height: .93;
  text-wrap: balance;
}
.hero h1 { max-width: 680px; font-size: clamp(2.6rem, 3.85vw, 4.1rem); }
.hero-lead {
  max-width: 680px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.7vw, 1.33rem);
  line-height: 1.5;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 34px; }
.fact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 34px 0 0;
  padding: 17px 0 0;
  border-top: 1px solid var(--border-strong);
  color: var(--muted);
  font-family: var(--font-atkinson-mono), monospace;
  font-size: .66rem;
  list-style: none;
}
.fact-list li { display: inline-flex; align-items: center; }
.fact-list li + li::before { margin: 0 12px; color: var(--signal); content: "/"; }
.fact-list li:first-child::before { margin-right: 8px; color: var(--verified); content: "●"; font-size: .55rem; }
.pwa-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px 24px;
  align-items: center;
  max-width: 760px;
  margin-top: 28px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pwa-copy .mini-label { margin-bottom: 5px; color: var(--signal-ink); }
.pwa-copy > strong { display: block; font-size: .98rem; }
.pwa-copy > p:last-child { max-width: 580px; margin: 4px 0 0; color: var(--muted); font-size: .76rem; }
.pwa-actions { display: grid; gap: 6px; justify-items: end; }
.pwa-network { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-family: var(--font-atkinson-mono), monospace; font-size: .61rem; }
.pwa-network i { width: 7px; height: 7px; background: var(--pulse); border: 1px solid color-mix(in srgb, var(--text) 50%, transparent); }
.pwa-network.is-offline { color: var(--warning); }
.pwa-network.is-offline i { background: var(--warning); }
.pwa-help { grid-column: 1 / -1; display: flex; gap: 18px; align-items: center; justify-content: space-between; padding-top: 13px; border-top: 1px solid var(--border); }
.pwa-help p { margin: 0; color: var(--muted); font-size: .76rem; }
.pwa-help button { padding: 5px 0; border: 0; background: transparent; color: var(--primary); cursor: pointer; font-size: .72rem; font-weight: 750; text-decoration: underline; text-underline-offset: 4px; }
.relay-story {
  position: relative;
  z-index: 1;
  margin-top: 8px;
  padding-left: clamp(24px, 3vw, 42px);
  border-left: 2px solid var(--text);
}
.relay-story::before {
  position: absolute;
  top: -7px;
  left: -7px;
  width: 12px;
  height: 12px;
  background: var(--pulse);
  border: 2px solid var(--text);
  content: "";
}
.relay-story-heading { display: flex; align-items: center; justify-content: space-between; }
.relay-story-heading .status-label { color: var(--signal-ink); }
.signal-pulse { display: inline-flex; align-items: end; gap: 3px; height: 22px; color: var(--signal); }
.signal-pulse i { width: 3px; background: currentColor; }
.signal-pulse i:nth-child(1) { height: 8px; }
.signal-pulse i:nth-child(2) { height: 15px; }
.signal-pulse i:nth-child(3) { height: 22px; }
.relay-story h2 { max-width: 430px; margin: 0 0 25px; font-family: var(--font-display), sans-serif; font-size: clamp(1.55rem, 2.2vw, 2.25rem); font-weight: 400; letter-spacing: -.04em; line-height: .98; }
.relay-route { border-top: 1px solid var(--border-strong); }
.relay-stop {
  display: grid;
  grid-template-columns: 52px 1fr;
  grid-template-rows: auto auto;
  gap: 1px 13px;
  align-items: center;
  min-height: 74px;
  border-bottom: 1px solid var(--border);
}
.relay-symbol {
  grid-row: 1 / 3;
  display: grid;
  width: 37px;
  height: 37px;
  place-items: center;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-family: var(--font-display), sans-serif;
  font-size: .84rem;
}
.relay-symbol-0, .relay-symbol-2 { font-size: 0; }
.relay-symbol-0::before { width: 10px; height: 19px; border: 2px solid currentColor; content: ""; }
.relay-symbol-1 { border-color: var(--text); background: var(--text); color: var(--bg); }
.relay-symbol-2 { border-color: var(--signal); color: var(--signal); transform: rotate(45deg); }
.relay-symbol-2::before { width: 6px; height: 6px; background: currentColor; box-shadow: -8px 8px 0 currentColor, 8px -8px 0 currentColor; content: ""; }
.relay-stop strong { align-self: end; font-size: .9rem; }
.relay-stop small { align-self: start; color: var(--muted); font-size: .72rem; }
.relay-outcome { display: grid; gap: 2px; margin-top: 20px; padding: 15px 17px; background: var(--pulse); color: #16151d; }
.relay-outcome span { font-family: var(--font-atkinson-mono), monospace; font-size: .62rem; text-transform: uppercase; }
.relay-outcome strong { font-size: .95rem; }
.relay-status { margin-top: 25px; padding-top: 18px; border-top: 3px solid var(--signal); }
.relay-status .status-label { color: var(--signal-ink); }
.relay-status p { margin: 8px 0 13px; color: var(--muted); font-size: .86rem; }
.relay-status a { font-size: .8rem; font-weight: 750; text-underline-offset: 4px; }
/* Shared section rhythm */
.section {
  position: relative;
  max-width: var(--content);
  margin: 0 auto;
  padding: clamp(70px, 8vw, 112px) var(--page-pad);
  border-top: 1px solid var(--border-strong);
}
.section::after {
  position: absolute;
  top: -4px;
  left: var(--page-pad);
  width: 54px;
  height: 7px;
  background: var(--signal);
  content: "";
}
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .52fr);
  gap: clamp(36px, 7vw, 88px);
  align-items: end;
  margin-bottom: 38px;
}
.section-heading h2, .community-section h2, .faq-section h2, .project-audit-head h2 {
  margin: 0;
  font-family: var(--font-display), sans-serif;
  font-size: clamp(1.85rem, 3.25vw, 3.15rem);
  font-weight: 400;
  letter-spacing: -.05em;
  line-height: .96;
  text-wrap: balance;
}
.section-heading > p { max-width: 500px; margin: 0; color: var(--muted); }
.compact-heading { grid-template-columns: 1fr; }
/* Real map and local node register */
.map-section { padding-top: clamp(70px, 8vw, 108px); }
.inline-alert { margin: 0 0 12px; padding: 11px 13px; border-left: 4px solid var(--danger); background: var(--danger-soft); color: var(--danger); font-size: .82rem; }
.inline-alert.data-alert { border-left-color: var(--warning); background: var(--warning-soft); color: var(--text); }
.filter-row button.active { border-color: var(--text); background: var(--text); color: var(--bg); }
/* Onboarding and device path */
.path-rail { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); list-style: none; }
.path-rail li { position: relative; min-height: 210px; padding: 22px 20px 26px 0; border-right: 1px solid var(--border); }
.path-rail li + li { padding-left: 20px; }
.path-rail li:last-child { border-right: 0; }
.path-rail li::after { position: absolute; top: -7px; left: 0; width: 12px; height: 12px; background: var(--signal); border: 2px solid var(--bg); content: ""; }
.path-rail span { color: var(--primary); font-family: var(--font-atkinson-mono), monospace; font-size: .62rem; font-weight: 750; text-transform: uppercase; }
.path-rail strong { display: block; max-width: 155px; margin-top: 47px; font-family: var(--font-display), sans-serif; font-size: 1.15rem; font-weight: 400; line-height: 1.03; }
.path-rail p { margin: 9px 0 0; color: var(--muted); font-size: .78rem; }
.walkthrough-heading { display: grid; grid-template-columns: minmax(0, .72fr) minmax(280px, .28fr); gap: 42px; align-items: end; margin: clamp(84px, 11vw, 142px) 0 38px; }
.walkthrough-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -22px; }
.walkthrough-heading h2 { max-width: 760px; margin: 0; font-family: var(--font-display), sans-serif; font-size: clamp(2.1rem, 3.65vw, 3.7rem); font-weight: 400; letter-spacing: -.052em; line-height: .94; }
.walkthrough-heading > p:last-child { max-width: 420px; margin: 0; color: var(--muted); }
.physical-walkthrough { border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); }
.unpacked-stage { display: grid; grid-template-columns: minmax(0, 1.16fr) minmax(350px, .84fr); min-height: 610px; }
.hardware-photo { position: relative; margin: 0; background: #fff; overflow: hidden; }
.hardware-photo img { display: block; width: 100%; height: 100%; object-fit: contain; }
.hardware-photo figcaption { position: absolute; top: 22px; left: 24px; padding-bottom: 6px; border-bottom: 3px solid #ff5d3a; color: var(--ink-fixed); font-family: var(--font-atkinson-mono), monospace; font-size: .62rem; font-weight: 750; letter-spacing: .08em; }
.photo-attribution { position: absolute; right: 14px; bottom: 12px; left: 14px; padding: 8px 10px; background: rgba(24, 23, 34, .9); color: rgba(255, 253, 247, .78); font-size: .56rem; line-height: 1.35; }
.photo-attribution a { color: #fffdf7; text-underline-offset: 3px; }
.part-ledger { display: flex; min-width: 0; flex-direction: column; padding: clamp(32px, 4vw, 54px); border-left: 1px solid var(--border-strong); background: var(--surface-muted); }
.part-ledger > div { display: grid; grid-template-columns: 48px 1fr; gap: 5px 15px; padding: 22px 0; border-top: 1px solid var(--border-strong); }
.part-ledger > div:first-child { border-top: 2px solid var(--text); }
.part-ledger span { grid-row: 1 / 3; color: var(--signal-ink); font-family: var(--font-atkinson-mono), monospace; font-size: .68rem; font-weight: 750; }
.part-ledger strong { font-family: var(--font-display), sans-serif; font-size: 1.22rem; font-weight: 400; line-height: 1.05; }
.part-ledger p { margin: 0; color: var(--muted); font-size: .78rem; }
.part-ledger > a { margin-top: auto; padding-top: 28px; color: var(--primary); font-size: .68rem; font-weight: 750; text-underline-offset: 4px; }
.assembly-stage { display: grid; grid-template-columns: minmax(390px, .86fr) minmax(0, 1.14fr); border-top: 2px solid var(--text); background: var(--pulse); color: var(--ink-fixed); }
.assembly-copy { padding: clamp(36px, 5vw, 66px); }
.assembly-copy .mini-label { color: #30249d; }
.assembly-copy h3, .message-route h3 { margin: 0; font-family: var(--font-display), sans-serif; font-size: clamp(1.75rem, 2.8vw, 2.9rem); font-weight: 400; letter-spacing: -.045em; line-height: .94; }
.assembly-copy ol { margin: 38px 0 0; padding: 0; border-top: 2px solid var(--ink-fixed); list-style: none; }
.assembly-copy li { display: grid; grid-template-columns: 38px 1fr; gap: 13px; padding: 16px 0; border-bottom: 1px solid rgba(24,23,34,.38); }
.assembly-copy li > span { font-family: var(--font-atkinson-mono), monospace; font-size: .66rem; font-weight: 750; }
.assembly-copy li strong { display: block; font-size: .85rem; }
.assembly-copy li p { margin: 3px 0 0; color: #45424c; font-size: .74rem; }
.power-routes { margin-top: 30px; border-top: 2px solid var(--ink-fixed); }
.power-routes > div { display: grid; grid-template-columns: 1fr auto; gap: 5px 14px; align-items: center; padding: 13px 0; border-bottom: 1px solid rgba(24,23,34,.38); }
.power-routes small { font-family: var(--font-atkinson-mono), monospace; font-size: .57rem; font-weight: 750; }
.power-routes strong { grid-column: 1 / -1; font-size: .78rem; }
.power-routes i { color: #a22f33; font-family: var(--font-atkinson-mono), monospace; font-size: .55rem; font-style: normal; font-weight: 750; text-transform: uppercase; }
.hardware-gate { margin: 24px 0 0; color: #49333a; font-size: .68rem; }
.hardware-photo-closeup { min-height: 620px; border-left: 2px solid var(--ink-fixed); }
.photo-callout { position: absolute; padding: 7px 9px; background: var(--ink-fixed); color: #fffdf7; font-family: var(--font-atkinson-mono), monospace; font-size: .58rem; font-weight: 750; letter-spacing: .05em; }
.photo-callout::after { position: absolute; height: 2px; background: #ff5d3a; content: ""; }
.callout-antenna { top: 18%; right: 5%; }
.callout-antenna::after { top: 50%; right: 100%; width: 58px; }
.callout-power { bottom: 18%; left: 5%; }
.callout-power::after { top: 50%; left: 100%; width: 68px; }
.app-copy .mini-label { color: var(--pulse); }
.app-copy > p:not(.mini-label) { max-width: 560px; color: rgba(246,241,230,.7); }
.app-step-switch button.active { color: var(--map-aside-text); }
.app-step-switch button.active::after { transform: scaleX(1); }
.message-route { display: grid; grid-template-columns: minmax(280px, .38fr) minmax(0, .62fr); gap: clamp(36px, 6vw, 82px); align-items: center; padding: clamp(44px, 6vw, 76px); border-top: 2px solid var(--text); background: var(--surface); }
.message-route h3 { font-size: clamp(1.65rem, 2.35vw, 2.5rem); }
.message-route-copy > p:last-child { max-width: 470px; color: var(--muted); }
.route-track { display: grid; grid-template-columns: 66px 35px 82px 42px minmax(94px, 1fr) 42px 82px 35px 66px; gap: 8px; align-items: center; }
.route-track > span { color: var(--primary); font-family: var(--font-atkinson-mono), monospace; font-size: .56rem; font-weight: 750; text-align: center; }
.route-track > span::before, .route-track > span::after { display: block; height: 1px; margin: 5px 0; background: var(--border-strong); content: ""; }
.route-endpoint { display: grid; gap: 9px; justify-items: center; text-align: center; }
.route-endpoint strong, .route-mesh strong { font-family: var(--font-atkinson-mono), monospace; font-size: .55rem; }
.route-phone i { display: block; width: 34px; height: 55px; border: 3px solid var(--primary); background: var(--primary-soft); }
.route-phone i::after { display: block; width: 12px; height: 2px; margin: 45px auto 0; background: var(--primary); content: ""; }
.route-cube img { width: 68px; height: 68px; border: 1px solid var(--border); background: #fff; object-fit: contain; }
.route-mesh { display: grid; grid-template-columns: repeat(3, 12px); gap: 7px; justify-content: center; align-items: center; }
.route-mesh i { width: 12px; height: 12px; background: var(--signal); transform: rotate(45deg); }
.route-mesh i:nth-child(2) { background: var(--pulse); }
.route-mesh i:nth-child(3) { background: var(--primary); }
.route-mesh strong { grid-column: 1 / -1; margin-top: 8px; text-align: center; }
.fleet-decision { margin: 0 0 clamp(54px, 7vw, 86px); }
.fleet-decision-head { display: grid; grid-template-columns: 150px minmax(260px, .72fr) minmax(280px, 1fr); gap: clamp(22px, 4vw, 60px); align-items: end; padding: 22px 0 26px; border-top: 6px solid var(--primary); }
.fleet-decision-head .mini-label { align-self: start; margin: 4px 0 0; color: var(--primary); }
.fleet-decision-head h3 { margin: 0; font-family: var(--font-display), sans-serif; font-size: clamp(1.65rem, 2.75vw, 2.75rem); font-weight: 400; letter-spacing: -.045em; line-height: .95; }
.fleet-decision-head > p:last-child { max-width: 570px; margin: 0; color: var(--muted); }
.candidate-visuals { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 26px; border: 2px solid var(--text); background: var(--surface); }
.candidate-visuals figure { position: relative; min-width: 0; margin: 0; aspect-ratio: 3 / 2; overflow: hidden; }
.candidate-visuals figure + figure { border-left: 2px solid var(--text); }
.candidate-visuals img { display: block; width: 100%; height: 100%; object-fit: cover; }
.candidate-visuals figure:first-child img { object-fit: contain; background: #fff; }
.candidate-visuals .candidate-c6l img { padding: 8px 8px 46px; background: #fff; object-fit: contain; }
.candidate-visuals figcaption { position: absolute; right: 12px; bottom: 12px; left: 12px; padding: 8px 10px; background: rgba(24, 23, 34, .9); color: #fffdf7; font: 750 .59rem/1.3 var(--font-atkinson-mono), monospace; text-transform: uppercase; }
.candidate-visuals figcaption a { color: inherit; text-decoration-color: var(--pulse); text-underline-offset: 3px; }
.partner-disclosure { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 12px; align-items: baseline; margin: -2px 0 28px; padding: 13px 16px; border-left: 5px solid var(--pulse); background: var(--surface-muted); color: var(--muted); font-size: .72rem; }
.partner-disclosure strong { color: var(--text); font: 800 .63rem/1.25 var(--font-atkinson-mono), monospace; letter-spacing: .035em; text-transform: uppercase; }
.fleet-rail { margin: 0; padding: 0; border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); list-style: none; }
.fleet-rail li { display: grid; grid-template-columns: 105px 185px minmax(0, 1fr); gap: clamp(18px, 3vw, 40px); align-items: start; min-height: 118px; padding: 22px 0; border-bottom: 1px solid var(--border); }
.fleet-rail li:last-child { border-bottom: 0; }
.fleet-rail > li > strong { color: var(--text); font: 800 .78rem/1.25 var(--font-atkinson-mono), monospace; }
.fleet-rail > li > span { width: max-content; max-width: 100%; padding-bottom: 6px; border-bottom: 3px solid var(--signal); color: var(--signal-ink); font: 750 .62rem/1.25 var(--font-atkinson-mono), monospace; }
.fleet-rail li:nth-child(2) > span { border-color: var(--pulse); color: var(--primary); }
.fleet-rail li:nth-child(3) > span { border-color: var(--primary); color: var(--primary); }
.fleet-rail li:nth-child(4) > span { border-color: var(--verified); color: var(--verified); }
.fleet-rail h4 { margin: 0 0 7px; font-family: var(--font-display), sans-serif; font-size: clamp(1.1rem, 1.65vw, 1.5rem); font-weight: 400; letter-spacing: -.025em; line-height: 1; }
.fleet-rail p { max-width: 780px; margin: 0; color: var(--muted); font-size: .8rem; }
.fleet-rule { display: flex; gap: 10px; align-items: flex-start; margin: 16px 0 0; color: var(--muted); font-size: .72rem; }
.fleet-rule span { color: var(--signal-ink); }
.start-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); }
.kit-panel, .installer-panel { min-width: 0; padding: clamp(28px, 4vw, 48px); }
.kit-panel { padding-left: 0; border-right: 1px solid var(--border-strong); }
.installer-panel { display: flex; flex-direction: column; padding-right: 0; }
.installer-panel .phone-note { margin-top: auto; padding-top: 18px; margin-bottom: 0; }
.kit-panel h3, .installer-panel h3, .solar-callout h3 { margin: 6px 0 11px; font-family: var(--font-display), sans-serif; font-size: clamp(1.35rem, 2.05vw, 2rem); font-weight: 400; letter-spacing: -.04em; line-height: 1; }
.kit-panel > p:not(.mini-label):not(.support-promise), .installer-panel > p { color: var(--muted); }
.hardware-id { display: inline-grid; grid-template-columns: auto 1fr; gap: 13px; align-items: center; margin-bottom: 34px; padding: 10px 13px 10px 0; border-bottom: 1px solid var(--border); }
.hardware-id > span { display: grid; width: 42px; height: 42px; place-items: center; background: var(--primary); color: var(--primary-contrast); font-family: var(--font-display), sans-serif; }
.hardware-id div { display: grid; }
.hardware-id small { color: var(--muted); font-family: var(--font-atkinson-mono), monospace; font-size: .58rem; }
.hardware-id strong { font-size: .78rem; }
.support-promise { margin: 22px 0; padding: 18px 0 18px 20px; border-left: 4px solid var(--signal); color: var(--text); }
.technical-details { border-top: 1px solid var(--border); }
.technical-details summary { padding: 14px 0; color: var(--primary); cursor: pointer; font-size: .76rem; font-weight: 750; }
.icon { width: .85em; height: .85em; display: inline-block; vertical-align: -.06em; }
.icon-rule { color: var(--pulse); }
.hero-glossary { margin: 4px 0 10px; }
.kit-panel figure { margin: 14px 0; }
.kit-panel figure img { width: 100%; height: auto; max-height: 380px; padding: 8px 8px 12px; background: #fff; object-fit: contain; }
.kit-panel figcaption { margin-top: 6px; color: var(--muted); font-size: .68rem; }
.kit-panel > .button { margin: 12px 0 6px; }
@media (min-width: 1041px) {
  .kit-panel { display: grid; grid-template-columns: 252px minmax(0, 1fr); column-gap: 30px; grid-template-areas: "id id" "label label" "fig h3" "fig btn" "fig disc" "det det"; grid-template-rows: auto auto auto auto 1fr auto; align-items: start; align-content: start; }
  .kit-panel .hardware-id { grid-area: id; justify-self: start; }
  .kit-panel .mini-label { grid-area: label; }
  .kit-panel h3 { grid-area: h3; margin-top: 0; }
  .kit-panel figure { grid-area: fig; margin: 0; }
  .kit-panel figure img { max-height: 300px; }
  .kit-panel > .button { grid-area: btn; justify-self: start; align-self: start; }
  .kit-panel .partner-disclosure { grid-area: disc; margin-bottom: 0; }
  .kit-panel .technical-details { grid-area: det; margin-top: 26px; }
}
.flasher-mount { display: grid; gap: 14px; min-height: 180px; padding: 22px; border: 2px solid var(--text); background: var(--surface-muted); }
.flasher-mount[data-state="unsupported"] { border-color: var(--danger); }
.model-choice { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.qr-apps { display: flex; flex-wrap: wrap; gap: 18px; margin: 22px 0 4px; }
.qr-apps a { display: grid; justify-items: center; gap: 8px; padding: 14px 16px 12px; border: 1px solid var(--border-strong); background: #fff; color: var(--ink-fixed); text-decoration: none; }
.qr-apps img { display: block; width: 164px; height: 164px; }
.qr-apps span { font-family: var(--font-atkinson-mono), monospace; font-size: .62rem; font-weight: 750; letter-spacing: .04em; }
.model-paths { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; margin: 22px 0 6px; }
.model-paths article { padding: 16px 18px; border: 1px solid var(--border-strong); border-left: 4px solid var(--pulse); background: var(--surface-muted); }
.model-paths h3 { margin: 0 0 6px; font-size: .82rem; }
.model-paths p { margin: 0; color: var(--muted); font-size: .8rem; }
.model-choice button { display: grid; gap: 8px; padding: 18px; border: 2px solid var(--border); background: var(--surface); color: var(--text); text-align: left; cursor: pointer; }
.model-choice button[aria-pressed="true"] { border-color: var(--primary); background: var(--surface-muted); }
.owner-photo { max-width: 560px; margin: 30px 0 0; border: 2px solid var(--text); background: var(--surface); }
.owner-photo img { display: block; width: 100%; height: auto; }
.owner-photo figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 10px 14px; border-top: 1px solid var(--border); color: var(--muted); font-size: .66rem; }
.owner-photo figcaption strong { color: var(--text); font-family: var(--font-atkinson-mono), monospace; font-size: .6rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
[data-model-detail] { display: none; }
[data-model-detail][data-active] { display: block; }
.flasher-status { margin: 0; font-size: .78rem; color: var(--muted); }
.flasher-mount[data-state="ready"] .flasher-status { color: var(--verified); }
.flasher-mount[data-state="blocked"] .flasher-status { color: var(--danger); }
.flasher-mount[data-state="idle"] .flasher-run, .flasher-mount[data-state="checking"] .flasher-run, .flasher-mount[data-state="blocked"] .flasher-run { display: none; }
.flasher-run { display: grid; gap: 14px; justify-items: start; }
.flash-progress { display: grid; width: 100%; grid-template-columns: minmax(0, 1fr) max-content; gap: 12px; align-items: center; }
.flash-bar { position: relative; height: 14px; width: 100%; border: 2px solid var(--text); background: var(--surface); }
.flash-bar i { position: absolute; inset: 0; width: 0; background: var(--pulse); transition: width .3s linear; }
.flash-percent { color: var(--text); font-size: .72rem; }
.flasher-mount[data-flash-phase="done"] .flash-bar i { background: var(--verified); }
.flasher-mount[data-flash-phase="error"] .flash-bar i { background: var(--danger); }
.evidence-list { margin: 0; border-top: 1px solid var(--border); }
.evidence-list div { display: grid; grid-template-columns: 120px 1fr; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.evidence-list dt { color: var(--muted); font-size: .7rem; }
.evidence-list dd { margin: 0; font-size: .74rem; }
.status-line { display: flex; align-items: center; gap: 9px; color: var(--warning); font-family: var(--font-atkinson-mono), monospace; font-size: .68rem; }
.status-dot { width: 9px; height: 9px; background: currentColor; }
.status-dot.warning { color: var(--warning); }
.installer-actions { display: grid; margin-top: 25px; }
.check-result { display: grid; gap: 6px; margin: 16px 0 0; padding: 15px; border-left: 4px solid var(--primary); background: var(--primary-soft); font-size: .78rem; }
.check-result span, .check-result small { color: var(--muted); }
.installer-gate { display: grid; grid-template-columns: 1fr auto; gap: 13px; align-items: center; margin-top: 14px; }
.installer-gate > span { color: var(--danger); font-family: var(--font-atkinson-mono), monospace; font-size: .6rem; text-transform: uppercase; }
.flasher-lock { margin: 14px 0 0; padding: 14px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: .73rem; }
.flasher-lock span { margin-right: 8px; color: var(--signal-ink); }
.repeater-ladder { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); }
.repeater-ladder article { min-height: 190px; padding: 22px 24px 24px 0; border-right: 1px solid var(--border); }
.repeater-ladder article + article { padding-left: 24px; }
.repeater-ladder article:last-child { border-right: 0; }
.ladder-step { color: var(--signal-ink); font-family: var(--font-atkinson-mono), monospace; font-size: .62rem; font-weight: 750; text-transform: uppercase; }
.repeater-ladder p { margin: 32px 0 3px; color: var(--muted); font-size: .7rem; }
.repeater-ladder h3 { margin: 0 0 6px; font-family: var(--font-display), sans-serif; font-size: 1.25rem; font-weight: 400; letter-spacing: -.03em; }
.repeater-ladder small { color: var(--muted); font-size: .74rem; }
.solar-callout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(270px, .55fr); gap: clamp(36px, 7vw, 86px); margin-top: 28px; padding: clamp(30px, 4.5vw, 56px); background: var(--signal); color: #17151d; }
.solar-callout .mini-label, .solar-callout .text-link { color: #241b4b; }
.solar-callout p { max-width: 780px; }
.product-source-link { display: inline-block; margin-top: 10px; }
.site-rules { padding-left: 32px; border-left: 2px solid rgba(23,21,29,.55); }
.site-rules h4 { margin: 0 0 14px; font-family: var(--font-display), sans-serif; font-size: 1.2rem; font-weight: 400; }
.site-rules ul { margin: 0; padding: 0; list-style: none; }
.site-rules li { padding: 11px 0; border-top: 1px solid rgba(23,21,29,.35); font-size: .78rem; }
.site-rules li::before { margin-right: 9px; color: #fff9d9; content: "●"; font-size: .55rem; }
/* Evidence, FAQ, community */
.gate-table { border-top: 2px solid var(--text); }
.gate-row { display: grid; grid-template-columns: minmax(180px, .28fr) minmax(150px, .2fr) 1fr; gap: 26px; align-items: center; min-height: 94px; border-bottom: 1px solid var(--border); }
.gate-row > strong { font-family: var(--font-display), sans-serif; font-size: 1rem; font-weight: 400; }
.gate-status, .project-state, .evidence-ledger span {
  width: max-content;
  padding: 4px 7px;
  border: 1px solid var(--border-strong);
  color: var(--muted);
  font-family: var(--font-atkinson-mono), monospace;
  font-size: .62rem;
  font-weight: 750;
}
.status-gotowe, .status-ready, .status-sprawdzone, .status-verified, .state-complete { border-color: var(--verified); background: var(--verified-soft); color: var(--verified); }
.status-czeka-na-sprz-t, .status-waiting-for-hardware, .status-nie-zmierzono, .status-not-measured, .state-waiting { border-color: var(--warning); background: var(--warning-soft); color: var(--warning); }
.status-zablokowane, .status-locked, .state-locked { border-color: var(--danger); background: var(--danger-soft); color: var(--danger); }
.gate-row p { margin: 0; color: var(--muted); font-size: .84rem; }
.day-plan { display: grid; grid-template-columns: .34fr .66fr; gap: 52px; margin-top: 48px; padding: 34px; background: var(--pulse); color: #17151d; }
.day-plan h3 { margin: 0; font-family: var(--font-display), sans-serif; font-size: 1.7rem; font-weight: 400; line-height: 1; }
.day-plan ol { margin: 0; padding: 0; list-style: none; }
.day-plan li { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 12px 0; border-top: 1px solid rgba(23,21,29,.3); }
.day-plan li strong { font-family: var(--font-atkinson-mono), monospace; font-size: .68rem; }
.day-plan li p { margin: 0; color: #4b4952; font-size: .8rem; }
.faq-section { display: grid; grid-template-columns: .36fr .64fr; gap: clamp(40px, 8vw, 100px); }
.faq-list { border-top: 2px solid var(--text); }
.faq-list details { border-bottom: 1px solid var(--border); }
.faq-list summary { position: relative; padding: 18px 42px 18px 0; cursor: pointer; font-weight: 750; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 14px; right: 4px; color: var(--signal); content: "+"; font-family: var(--font-display), sans-serif; font-size: 1.3rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -3px 0 20px; padding-right: 42px; color: var(--muted); font-size: .84rem; }
.community-section { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 36px; align-items: end; max-width: var(--content); margin: 0 auto 70px; padding: clamp(42px, 6vw, 76px) var(--page-pad); background: var(--primary); color: var(--primary-contrast); overflow: hidden; } /* token, nie literal: w dark --primary jest JASNY i bialy tekst dawal 2,75:1 (Kimi C-06.1) */
.community-section::before { position: absolute; top: 0; right: 0; width: 22%; height: 10px; background: var(--pulse); content: ""; }
.community-section h2 { max-width: 760px; font-size: clamp(2rem, 3.5vw, 3.5rem); }
.community-section p { max-width: 760px; margin: 15px 0 0; color: rgba(255,253,247,.78); }
.community-section .button { border-color: #fffdf7; background: #fffdf7; color: #17151d; }
footer { display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; padding: 34px max(var(--page-pad), calc((100vw - var(--content)) / 2)); border-top: 1px solid var(--border-strong); color: var(--muted); font-size: .72rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { text-underline-offset: 4px; }
/* Offline */
.offline-page { display: grid; min-height: 100vh; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .58fr); gap: 0; max-width: 1120px; margin: 0 auto; padding: clamp(38px, 7vw, 90px) var(--page-pad); }
.offline-card { padding: clamp(30px, 5vw, 58px); border: 2px solid var(--text); background: var(--surface); }
.offline-card + .offline-card { border-left: 0; }
.offline-card .brand { margin-bottom: 62px; }
.offline-card h1, .offline-card h2 { margin: 0; font-family: var(--font-display), sans-serif; font-weight: 400; letter-spacing: -.05em; line-height: .94; }
.offline-card h1 { font-size: clamp(2.3rem, 4.1vw, 4.1rem); }
.offline-card h2 { font-size: 1.75rem; }
.offline-lead, .offline-en > p:not(.eyebrow) { color: var(--muted); }
.offline-card ol { margin: 34px 0; padding: 0; border-top: 2px solid var(--text); list-style: none; }
.offline-card li { display: grid; gap: 3px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.offline-card li span { color: var(--muted); font-size: .8rem; }
.offline-stop { margin: 0 0 26px; padding: 16px 0 16px 18px; border-left: 4px solid var(--signal); background: transparent; font-size: .8rem; }
.offline-en { margin-top: 82px; background: var(--surface-muted); }
/* Launch legal copy supplied by CC. */
.legal-page { width: min(920px, calc(100% - 32px)); margin: 0 auto; padding: clamp(32px, 7vw, 88px) 0; }
.legal-head { display: grid; gap: 18px; padding-bottom: 38px; border-bottom: 2px solid var(--text); }
.legal-head .brand { width: max-content; margin-bottom: 28px; }
.legal-head h1 { max-width: 780px; margin: 0; font-family: var(--font-display), sans-serif; font-size: clamp(2.25rem, 5vw, 4.8rem); font-weight: 400; letter-spacing: -.055em; line-height: .94; }
.legal-head h1 span { display: block; }
.legal-head h1 span[lang="en"] { margin-top: .34em; color: var(--muted); font-size: .54em; letter-spacing: -.035em; line-height: 1.02; }
.legal-head > p:not(.eyebrow) { max-width: 720px; margin: 0; color: var(--muted); }
.legal-language-nav { display: flex; gap: 8px; }
.legal-language-nav a { display: grid; min-width: 46px; min-height: 44px; place-items: center; border: 1px solid var(--border-strong); color: var(--text); font-family: var(--font-atkinson-mono), monospace; font-size: .72rem; text-decoration: none; }
.legal-language-nav a:hover, .legal-language-nav a:focus-visible { border-color: var(--primary); background: var(--primary); color: var(--primary-contrast); }
.legal-page section { padding: 34px 0; border-bottom: 1px solid var(--border); }
.legal-page section h2 { margin: 0 0 12px; font-family: var(--font-display), sans-serif; font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: 400; letter-spacing: -.04em; }
.legal-page section h3 { max-width: 720px; margin: 28px 0 8px; font-size: 1rem; }
.legal-page section > p:not(.mini-label, .eyebrow) { max-width: 720px; }
.legal-page address { max-width: 720px; margin: 20px 0 0; padding: 18px 20px; border-left: 4px solid var(--primary); background: var(--surface-muted); font-style: normal; line-height: 1.65; }
.legal-page section ol, .legal-page section ul { max-width: 720px; margin: 14px 0; padding-left: 22px; }
.legal-page section li + li { margin-top: 8px; }
.legal-page code { padding: .08em .34em; background: var(--surface-muted); color: var(--text); font-family: var(--font-atkinson-mono), monospace; font-size: .84em; overflow-wrap: anywhere; }
.legal-actions { padding: 32px 0; }
.legal-en { margin-top: 34px; border-top: 2px solid var(--text); }
.legal-en-intro { color: var(--text); }
.legal-language-back { display: inline-block; margin-top: 8px; color: var(--primary); font-size: .78rem; text-underline-offset: 4px; }
/* Project route: a ledger, never a dashboard */
.project-main { min-height: 80vh; }
.project-overview { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(330px, .75fr); gap: clamp(48px, 8vw, 110px); align-items: end; max-width: var(--content); margin: 0 auto; padding: clamp(70px, 8vw, 112px) var(--page-pad) 70px; }
.project-overview h1 { max-width: 780px; font-size: clamp(2.5rem, 4.1vw, 4.4rem); }
.project-lead { max-width: 730px; margin: 25px 0 30px; color: var(--muted); font-size: 1.12rem; }
.project-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.project-summary { display: grid; grid-template-columns: 1fr 1fr; margin: 0; padding: 0; border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); }
.project-summary div { min-height: 105px; padding: 20px 18px 17px 0; border-bottom: 1px solid var(--border); }
.project-summary div:nth-child(odd) { border-right: 1px solid var(--border); }
.project-summary div:nth-child(even) { padding-left: 18px; }
.project-summary div:nth-last-child(-n+2) { border-bottom: 0; }
.project-summary dt { font-family: var(--font-display), sans-serif; font-size: 1.45rem; }
.project-summary dd { margin: 8px 0 0; color: var(--muted); font-size: .75rem; }
.project-audit-section { padding-top: clamp(70px, 8vw, 110px); }
.project-audit-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 42px; align-items: start; }
.project-audit-head h2 { max-width: 780px; }
.project-audit-head p:not(.eyebrow) { max-width: 760px; margin: 18px 0 0; color: var(--muted); }
.audit-verdict { padding: 10px 12px; border: 2px solid var(--primary); color: var(--primary); font-family: var(--font-atkinson-mono), monospace; font-size: .68rem; white-space: nowrap; }
.audit-metrics { display: grid; grid-template-columns: repeat(4, 1fr); margin: 42px 0 0; border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); }
.audit-metrics > div { min-width: 0; padding: 22px 18px 22px 0; border-right: 1px solid var(--border); }
.audit-metrics > div + div { padding-left: 18px; }
.audit-metrics > div:last-child { border-right: 0; }
.audit-metrics dt { font-family: var(--font-display), sans-serif; font-size: 1.45rem; }
.audit-metrics dd { display: grid; gap: 4px; margin: 7px 0 0; }
.audit-metrics dd strong { font-size: .76rem; }
.audit-metrics dd span { color: var(--muted); font-size: .68rem; }
.audit-detail-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 52px; margin-top: 38px; }
.audit-lanes { border-top: 1px solid var(--border-strong); }
.audit-lane { display: grid; grid-template-columns: 185px 1fr; gap: 20px; padding: 15px 0 15px 15px; border-bottom: 1px solid var(--border); border-left: 4px solid var(--verified); }
.audit-lane-1, .audit-lane-2 { border-left-color: var(--warning); }
.audit-lane-3 { border-left-color: var(--danger); }
.audit-lane strong, .audit-changes strong { font-family: var(--font-atkinson-mono), monospace; font-size: .65rem; }
.audit-lane-0 strong { color: var(--verified); }
.audit-lane-1 strong, .audit-lane-2 strong { color: var(--warning); }
.audit-lane-3 strong { color: var(--danger); }
.audit-lane p { margin: 0; color: var(--muted); font-size: .77rem; }
.audit-changes { padding: 25px; background: var(--surface-muted); }
.audit-changes h3 { margin: 0 0 12px; font-family: var(--font-display), sans-serif; font-size: 1.35rem; font-weight: 400; }
.audit-changes > div { padding: 12px 0; border-top: 1px solid var(--border); }
.audit-changes strong { color: var(--primary); }
.audit-changes p { margin: 5px 0 0; color: var(--muted); font-size: .75rem; }
.project-meter { display: grid; grid-template-columns: repeat(10, 1fr); gap: 4px; }
.project-meter span { display: block; height: 12px; border: 1px solid var(--border-strong); background: transparent; }
.project-meter .meter-complete { border-color: var(--verified); background: var(--verified); }
.project-meter .meter-current { border-color: var(--primary); background: var(--primary); }
.project-meter .meter-waiting { border-color: var(--warning); background: var(--warning-soft); }
.meter-caption { margin: 9px 0 29px; color: var(--muted); font-family: var(--font-atkinson-mono), monospace; font-size: .7rem; }
.project-gate-ledger { margin: 0; padding: 0; border-top: 2px solid var(--text); list-style: none; }
.project-gate-ledger li { display: grid; grid-template-columns: 68px minmax(0, 1fr) 190px; gap: 22px; align-items: center; min-height: 92px; padding: 15px 0; border-bottom: 1px solid var(--border); }
.project-gate-ledger li.gate-ledger-current { margin: 0; padding: 18px 14px; border: 0; border-bottom: 1px solid var(--border); border-left: 5px solid var(--signal); background: var(--primary-soft); }
.gate-code { color: var(--primary); font-family: var(--font-atkinson-mono), monospace; font-size: .82rem; }
.project-gate-ledger h3, .execution-ledger h3 { margin: 0 0 4px; font-size: 1rem; }
.project-gate-ledger p, .execution-ledger p { margin: 0; color: var(--muted); font-size: .8rem; }
.project-state { justify-self: end; text-align: center; }
.project-state.state-current { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.project-state.state-deferred { color: var(--muted); }
.evidence-block { display: grid; grid-template-columns: .36fr .64fr; gap: 56px; margin-top: 56px; padding-top: 30px; border-top: 2px solid var(--text); }
.evidence-block > div:first-child h3 { margin: 0; font-family: var(--font-display), sans-serif; font-size: 1.65rem; font-weight: 400; }
.evidence-block > div:first-child p { color: var(--muted); }
.evidence-ledger { border-top: 1px solid var(--border); }
.evidence-ledger > div { display: grid; grid-template-columns: 125px 140px 1fr; gap: 16px; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--border); }
.evidence-ledger strong { font-family: var(--font-atkinson-mono), monospace; font-size: .71rem; }
.evidence-ledger .tone-0, .evidence-ledger .tone-1 { border-color: var(--verified); color: var(--verified); }
.evidence-ledger .tone-2 { border-color: var(--primary); color: var(--primary); }
.evidence-ledger .tone-3, .evidence-ledger .tone-4 { border-color: var(--warning); color: var(--warning); }
.evidence-ledger .tone-5 { border-color: var(--danger); color: var(--danger); }
.evidence-ledger p { margin: 0; color: var(--muted); font-size: .74rem; }
.execution-ledger { margin: 0; padding: 0; border-top: 2px solid var(--text); list-style: none; }
.execution-ledger li { display: grid; grid-template-columns: 210px 1fr; gap: 28px; padding: 19px 0; border-bottom: 1px solid var(--border); }
.execution-ledger li > span { color: var(--signal-ink); font-family: var(--font-atkinson-mono), monospace; font-size: .67rem; font-weight: 750; }
.layer-toolbar { display: flex; gap: 22px; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.layer-verdict { display: block; color: var(--accent); font-family: var(--font-atkinson-mono), monospace; font-size: .7rem; letter-spacing: .035em; }
.layer-ledger { margin: 0; padding: 0; border-top: 2px solid var(--text); list-style: none; }
.layer-ledger li { display: grid; grid-template-columns: 150px minmax(0, 1fr) 150px; gap: 28px; align-items: center; min-height: 98px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.layer-ledger li > span, .layer-ledger li > strong { font-family: var(--font-atkinson-mono), monospace; font-size: .66rem; font-weight: 750; }
.layer-ledger li > span { color: var(--signal-ink); }
.layer-ledger li > strong { justify-self: end; color: var(--verified); text-align: right; }
.layer-ledger li:nth-last-child(-n+2) > strong { color: var(--warning); }
.layer-ledger h3 { margin: 0 0 5px; font-size: 1rem; }
.layer-ledger p { max-width: 780px; margin: 0; color: var(--muted); font-size: .8rem; }
.layer-stop { margin-top: 26px; }
/* Biper OS laboratory — a flat instrument panel, never a device-control screen. */
.lab-main { padding-bottom: clamp(70px, 9vw, 120px); }
.lab-hero { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 52px; align-items: end; max-width: var(--content); margin: 0 auto; padding: clamp(70px, 8vw, 112px) var(--page-pad) 48px; border-bottom: 2px solid var(--text); }
.lab-hero h1 { max-width: 760px; margin: 0; font-family: var(--font-display), sans-serif; font-size: clamp(2.5rem, 4.1vw, 4.4rem); font-weight: 400; letter-spacing: -.045em; line-height: .97; text-wrap: balance; }
.lab-hero p:not(.eyebrow) { max-width: 760px; margin: 20px 0 0; color: var(--muted); }
.lab-hero > strong { max-width: 250px; padding: 14px 0; border-top: 3px solid var(--warning); border-bottom: 1px solid var(--border-strong); color: var(--warning); font-family: var(--font-atkinson-mono), monospace; font-size: .69rem; }
.technical-ledger-note { max-width: 760px; margin: 18px 0 0; padding: 11px 0 11px 16px; border-left: 3px solid var(--signal); color: var(--text); font-family: var(--font-atkinson-mono), monospace; font-size: .72rem; line-height: 1.45; }
.lab-hero .technical-ledger-note { color: var(--text); }
.lab-grid { display: grid; grid-template-columns: minmax(300px, .7fr) minmax(0, 1.3fr); border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); }
.lab-controls { padding: 24px 30px 24px 0; border-right: 1px solid var(--border); }
.lab-controls label { display: grid; gap: 7px; padding: 13px 0; border-bottom: 1px solid var(--border); }
.lab-controls label:first-child { padding-top: 0; }
.lab-controls span { color: var(--muted); font-family: var(--font-atkinson-mono), monospace; font-size: .65rem; font-weight: 700; }
.lab-controls input { width: 100%; min-height: 44px; padding: 8px 10px; border: 1px solid var(--border-strong); border-radius: 0; background: var(--surface); color: var(--text); font: 700 .9rem/1 var(--font-atkinson-mono), monospace; }
.lab-controls input:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }
.lab-controls input[readonly] { border-color: transparent; padding-left: 0; background: transparent; }
.lab-result { display: grid; align-content: start; gap: 22px; min-width: 0; padding: 28px 0 28px 34px; }
.lab-result > strong { color: var(--verified); font-family: var(--font-display), sans-serif; font-size: 1.35rem; font-weight: 400; }
.lab-result.result-stop > strong { color: var(--danger); }
.lab-result dl { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; border-top: 1px solid var(--border-strong); border-bottom: 1px solid var(--border-strong); }
.lab-result dl div { min-width: 0; padding: 15px 12px 15px 0; border-right: 1px solid var(--border); }
.lab-result dl div + div { padding-left: 12px; }
.lab-result dl div:last-child { border-right: 0; }
.lab-result dt { color: var(--muted); font: 700 .62rem/1.2 var(--font-atkinson-mono), monospace; }
.lab-result dd { margin: 8px 0 0; overflow-wrap: anywhere; font: 750 .8rem/1.35 var(--font-atkinson-mono), monospace; }
.lab-result code { color: var(--danger); font-size: .72rem; }
.lab-result button { min-height: 46px; border: 1px solid var(--border-strong); background: transparent; color: var(--muted); font: 750 .69rem/1.2 var(--font-atkinson-mono), monospace; cursor: not-allowed; }
.scenario-switch { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 22px; }
.scenario-switch button { min-height: 42px; padding: 9px 13px; border: 1px solid var(--border-strong); border-radius: 0; background: transparent; color: var(--muted); cursor: pointer; font: 700 .7rem/1.2 var(--font-atkinson-mono), monospace; }
.scenario-switch button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent); color: var(--accent-contrast); }
.scenario-switch button:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }
.onboarding-rehearsal { display: grid; grid-template-columns: minmax(220px, .8fr) minmax(300px, 1.1fr) minmax(250px, .8fr); gap: clamp(22px, 4vw, 54px); margin-top: 34px; padding: 26px 0; border-top: 2px solid var(--text); border-bottom: 1px solid var(--border); }
.onboarding-rehearsal h3 { margin: 7px 0 9px; font-family: var(--font-display), sans-serif; font-size: clamp(1.4rem, 2.2vw, 2rem); line-height: 1; }
.onboarding-rehearsal p { margin: 0; color: var(--muted); }
.onboarding-actions { display: grid; gap: 12px; }
.onboarding-actions > button, .onboarding-state > button { min-height: 46px; border: 1px solid var(--border-strong); border-radius: 0; background: transparent; color: var(--text); cursor: pointer; font: 750 .72rem/1.2 var(--font-atkinson-mono), monospace; }
.onboarding-actions > button:hover { border-color: var(--accent); color: var(--accent); }
.onboarding-actions output { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--border); }
.onboarding-actions output strong { font: 800 1.25rem/1 var(--font-atkinson-mono), monospace; letter-spacing: .15em; }
.onboarding-actions output span { color: var(--muted); font-size: .75rem; }
.recovery-check { display: grid; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; color: var(--muted); cursor: pointer; font-size: .78rem; }
.recovery-check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--accent); }
.onboarding-state { display: flex; flex-direction: column; gap: 12px; padding-left: 22px; border-left: 4px solid var(--attention); }
.onboarding-state.result-rehearsal_ready { border-left-color: var(--verified); }
.onboarding-state > strong { font-family: var(--font-display), sans-serif; font-size: 1.15rem; line-height: 1.05; }
.onboarding-state code { color: var(--attention); font-size: .68rem; overflow-wrap: anywhere; }
.onboarding-state > button:disabled { margin-top: auto; color: var(--muted); cursor: not-allowed; opacity: .75; }
.crypto-rehearsal { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(190px, .42fr) minmax(280px, .9fr); gap: clamp(20px, 4vw, 52px); align-items: start; padding: 28px 0; border-bottom: 2px solid var(--text); }
.crypto-rehearsal h3 { margin: 7px 0 9px; font-family: var(--font-display), sans-serif; font-size: clamp(1.35rem, 2vw, 1.85rem); font-weight: 400; line-height: 1; }
.crypto-rehearsal p { margin: 0; color: var(--muted); }
.crypto-rehearsal > button { min-height: 48px; padding: 10px 14px; border: 1px solid var(--border-strong); border-radius: 0; background: transparent; color: var(--text); cursor: pointer; font: 750 .7rem/1.25 var(--font-atkinson-mono), monospace; }
.crypto-rehearsal > button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.crypto-rehearsal > button:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }
.crypto-rehearsal > button:disabled { color: var(--muted); cursor: not-allowed; opacity: .62; }
.crypto-state { display: grid; gap: 9px; padding-left: 18px; border-left: 4px solid var(--attention); }
.crypto-state.crypto-passed { border-left-color: var(--verified); }
.crypto-state.crypto-failed { border-left-color: var(--danger); }
.crypto-state strong { font-family: var(--font-display), sans-serif; font-size: 1rem; font-weight: 400; line-height: 1.08; }
.crypto-state code, .crypto-state span { overflow-wrap: anywhere; color: var(--muted); font-size: .67rem; }
.crypto-state code { color: var(--verified); }
.doctor-result { padding: 28px 0; border-top: 5px solid var(--verified); border-bottom: 2px solid var(--text); }
.doctor-result.severity-warning { border-top-color: var(--warning); }
.doctor-result.severity-stop { border-top-color: var(--danger); }
.doctor-result > div { display: flex; gap: 18px; justify-content: space-between; color: var(--muted); font: 700 .65rem/1.25 var(--font-atkinson-mono), monospace; }
.doctor-result h3 { max-width: 850px; margin: 26px 0 14px; font-family: var(--font-display), sans-serif; font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 400; line-height: 1; }
.doctor-result p { max-width: 760px; margin: 0; color: var(--muted); }
.doctor-result code { display: block; margin-top: 22px; color: var(--warning); font-size: .7rem; }
.release-report { display: grid; grid-template-columns: minmax(230px, .7fr) minmax(0, 1.3fr); gap: 24px 48px; margin-bottom: 36px; padding: 24px 0; border-top: 5px solid var(--warning); border-bottom: 2px solid var(--text); }
.release-report h3 { margin: 0 0 8px; font-family: var(--font-display), sans-serif; font-size: 1.45rem; line-height: 1; }
.release-report p { margin: 0; color: var(--muted); font-size: .8rem; }
.release-report dl { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; }
.release-report dl div { padding: 3px 12px; border-left: 1px solid var(--border); }
.release-report dt { color: var(--muted); font: 700 .6rem/1.25 var(--font-atkinson-mono), monospace; }
.release-report dd { margin: 8px 0 0; overflow-wrap: anywhere; font: 800 .78rem/1.2 var(--font-atkinson-mono), monospace; }
.release-report > code { grid-column: 1 / -1; color: var(--warning); font-size: .66rem; overflow-wrap: anywhere; }
.guard-ledger { margin-bottom: 30px; border-top: 2px solid var(--text); }
.guard-ledger > div { display: grid; grid-template-columns: 170px 1fr; gap: 28px; padding: 17px 0; border-bottom: 1px solid var(--border); }
.guard-ledger strong { color: var(--signal-ink); font: 750 .66rem/1.35 var(--font-atkinson-mono), monospace; }
.guard-ledger p { margin: 0; color: var(--muted); font-size: .82rem; }
.stop-rule { display: grid; grid-template-columns: 210px 1fr; gap: 28px; margin-top: 30px; padding: 20px; border-left: 5px solid var(--danger); background: var(--danger-soft); }
.stop-rule strong { color: var(--danger); font-family: var(--font-atkinson-mono), monospace; font-size: .7rem; }
.stop-rule p { margin: 0; color: var(--muted); font-size: .8rem; }
.structure-layout { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(300px, .78fr); border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); }
.project-tree { padding-right: 24px; border-right: 1px solid var(--border); }
.tree-row { display: grid; grid-template-columns: 155px 1fr; gap: 16px; min-height: 47px; align-items: center; border-bottom: 1px solid var(--border); }
.tree-row:last-child { border-bottom: 0; }
.tree-row code { color: var(--text); font-family: var(--font-atkinson-mono), monospace; font-size: .74rem; font-weight: 750; }
.tree-row span { color: var(--muted); font-size: .75rem; }
.tree-row.depth-1 code { padding-left: 18px; color: var(--primary); }
.tree-row.depth-1 code::before { color: var(--border-strong); content: "├─ "; }
.tree-row.depth-2 code { padding-left: 42px; }
.tree-row.depth-2 code::before { color: var(--border-strong); content: "└─ "; }
.tree-row.private-row code { color: var(--signal-ink); }
.boundary-ledger { padding: 24px 0 24px 30px; }
.boundary-ledger h3 { margin: 0 0 16px; font-family: var(--font-display), sans-serif; font-size: 1.3rem; font-weight: 400; }
.boundary-ledger > div { padding: 14px 0; border-top: 1px solid var(--border); }
.boundary-ledger strong { font-family: var(--font-atkinson-mono), monospace; font-size: .64rem; }
.boundary-ledger .boundary-0 strong { color: var(--verified); }
.boundary-ledger .boundary-1 strong { color: var(--warning); }
.boundary-ledger .boundary-2 strong { color: var(--danger); }
.boundary-ledger p { margin: 6px 0 0; color: var(--muted); font-size: .75rem; }
.project-flow { margin-top: 42px; }
.project-flow h3 { margin: 0 0 14px; font-family: var(--font-display), sans-serif; font-size: 1.25rem; font-weight: 400; }
.flow-row { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); }
.flow-row:last-child { border-bottom: 1px solid var(--border); }
.flow-row span { position: relative; min-height: 72px; padding: 16px 24px 16px 0; color: var(--muted); font-size: .75rem; }
.flow-row span:first-child { color: var(--text); font-weight: 750; }
.flow-row i { position: absolute; top: 16px; right: 10px; color: var(--signal); font-style: normal; }
@media (max-width: 1040px) {
  .topbar { grid-template-columns: minmax(0, 1fr) auto; padding-top: 9px; padding-bottom: 9px; }
  .menu-toggle { display: inline-flex; min-height: 46px; align-items: center; gap: 10px; padding: 8px 0 8px 18px; border: 0; border-left: 1px solid var(--border); background: transparent; color: var(--text); cursor: pointer; font-family: var(--font-atkinson-mono), monospace; font-size: .68rem; font-weight: 750; text-transform: uppercase; }
  .menu-toggle i, .menu-toggle i::before, .menu-toggle i::after { display: block; width: 23px; height: 2px; background: currentColor; content: ""; transition: transform 160ms ease; }
  .menu-toggle i { position: relative; }
  .menu-toggle i::before { position: absolute; top: -7px; }
  .menu-toggle i::after { position: absolute; top: 7px; }
  .topbar[data-menu-open="true"] .menu-toggle i { background: transparent; }
  .topbar[data-menu-open="true"] .menu-toggle i::before { top: 0; transform: rotate(45deg); }
  .topbar[data-menu-open="true"] .menu-toggle i::after { top: 0; transform: rotate(-45deg); }
  .nav-drawer { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr auto; max-height: 0; overflow: hidden; opacity: 0; transition: max-height 220ms ease, opacity 160ms ease, padding 220ms ease; }
  .topbar[data-menu-open="true"] .nav-drawer { max-height: 420px; padding: 22px 0 12px; border-top: 1px solid var(--border); opacity: 1; }
  .topbar nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); justify-content: stretch; gap: 0; }
  .topbar nav a { min-height: 47px; padding-right: 22px; border-bottom: 1px solid var(--border); }
  .topbar nav a::after { height: 3px; }
  .header-controls { align-self: start; padding-left: 24px; }
  .hero { grid-template-columns: minmax(0, 1.15fr) minmax(300px, .72fr); gap: 50px; }
  .start-grid { grid-template-columns: 1fr; }
  .walkthrough-heading { grid-template-columns: 1fr; }
  .walkthrough-heading .eyebrow { margin-bottom: -20px; }
  .walkthrough-heading > p:last-child { max-width: 680px; }
  .unpacked-stage, .assembly-stage, .message-route { grid-template-columns: 1fr; }
  .part-ledger { border-top: 2px solid var(--text); border-left: 0; }
  .hardware-photo-closeup { min-height: 560px; border-top: 2px solid var(--ink-fixed); border-left: 0; }
  .message-route { gap: 42px; }
  .fleet-decision-head { grid-template-columns: 120px 1fr; }
  .fleet-decision-head > p:last-child { grid-column: 2; }
  .kit-panel { border-right: 0; border-bottom: 2px solid var(--text); }
  .kit-panel { padding-right: 0; }
  .installer-panel { padding-left: 0; }
  .path-rail { grid-template-columns: repeat(3, 1fr); }
  .path-rail li:nth-child(3) { border-right: 0; }
  .path-rail li:nth-child(n+4) { border-top: 1px solid var(--border); }
  .solar-callout { grid-template-columns: 1fr; }
  .site-rules { padding: 25px 0 0; border-top: 2px solid rgba(23,21,29,.55); border-left: 0; }
  .project-overview { grid-template-columns: 1fr; gap: 44px; }
  .lab-hero { grid-template-columns: 1fr; gap: 28px; }
  .lab-hero > strong { max-width: none; }
  .lab-grid { grid-template-columns: 1fr; }
  .lab-controls { padding-right: 0; border-right: 0; border-bottom: 2px solid var(--text); }
  .lab-result { padding-left: 0; }
  .project-summary { max-width: 700px; }
  .audit-detail-grid, .structure-layout { grid-template-columns: 1fr; }
  .project-tree { padding-right: 0; border-right: 0; border-bottom: 2px solid var(--text); }
  .boundary-ledger { padding-left: 0; }
  footer { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  html { scroll-padding-top: 78px; }
  .topbar { min-height: 70px; padding-right: 16px; padding-left: 16px; }
  .topbar-brand { gap: 12px; }
  .brand-mark { width: 38px; }
  .brand-lockup strong { font-size: .98rem; }
  .on-air { display: none; }
  .nav-drawer { grid-template-columns: 1fr; }
  .topbar[data-menu-open="true"] .nav-drawer { max-height: 640px; padding-top: 16px; }
  .topbar nav { grid-template-columns: 1fr 1fr; }
  .header-controls { justify-content: space-between; padding: 17px 0 3px; }
  .theme-switch button, .lang-switch button { min-height: 42px; }
  .hero { grid-template-columns: 1fr; gap: 54px; min-height: 0; padding: 58px 16px 62px; }
  .hero::before { top: 24px; right: 12px; font-size: 8rem; }
  .hero h1 { font-size: clamp(2.1rem, 8.5vw, 2.8rem); }
  .hero-lead { margin-top: 24px; }
  .hero-actions { display: grid; margin-top: 28px; }
  .fact-list { display: grid; gap: 8px; }
  .fact-list li + li::before { margin: 0 8px 0 0; content: "●"; font-size: .5rem; }
  .pwa-card { grid-template-columns: 1fr; }
  .pwa-actions { justify-items: stretch; }
  .pwa-network { justify-self: start; }
  .pwa-help { align-items: flex-start; flex-direction: column; }
  .relay-story { padding-left: 24px; }
  .section { padding: 68px 16px; }
  .section::after { left: 16px; }
  .section-heading { grid-template-columns: 1fr; gap: 17px; margin-bottom: 30px; }
  .section-heading h2, .community-section h2, .faq-section h2, .project-audit-head h2 { font-size: clamp(1.75rem, 7.8vw, 2.6rem); }
  .path-rail { grid-template-columns: 1fr; border-bottom: 0; }
  .path-rail li, .path-rail li + li { display: grid; grid-template-columns: 72px 1fr; min-height: 0; padding: 20px 0; border-right: 0; border-bottom: 1px solid var(--border); }
  .path-rail li:nth-child(n+4) { border-top: 0; }
  .path-rail li::after { top: 24px; left: auto; right: 3px; width: 8px; height: 8px; }
  .path-rail strong { margin: 0; }
  .path-rail p { grid-column: 2; margin-top: 5px; }
  .walkthrough-heading { gap: 18px; margin-top: 82px; }
  .walkthrough-heading .eyebrow { margin-bottom: 0; }
  .walkthrough-heading h2 { font-size: clamp(1.95rem, 8.4vw, 2.85rem); }
  .unpacked-stage { min-height: 0; }
  .hardware-photo-overview { min-height: 360px; }
  .hardware-photo figcaption { top: 15px; left: 15px; }
  .part-ledger { padding: 28px 19px; }
  .part-ledger > div { grid-template-columns: 38px 1fr; }
  .assembly-copy { padding: 36px 20px; }
  .assembly-copy h3 { font-size: clamp(1.85rem, 8.3vw, 2.65rem); }
  .power-routes > div { grid-template-columns: 1fr auto; }
  .hardware-photo-closeup { min-height: 420px; }
  .photo-callout { font-size: .5rem; }
  .callout-antenna::after { width: 34px; }
  .callout-power::after { width: 38px; }
  .message-route { margin-right: -16px; margin-left: -16px; padding: 38px 20px; }
  .route-track { grid-template-columns: 1fr; justify-items: center; }
  .route-track > span { display: grid; min-height: 42px; place-items: center; }
  .route-track > span::before, .route-track > span::after { width: 1px; height: 12px; margin: 0 auto; }
  .fleet-decision-head { grid-template-columns: 1fr; gap: 12px; padding-bottom: 22px; }
  .fleet-decision-head > p:last-child { grid-column: 1; }
  .candidate-visuals { grid-template-columns: 1fr; }
  .candidate-visuals figure + figure { border-top: 2px solid var(--text); border-left: 0; }
  .partner-disclosure { display: block; }
  .partner-disclosure strong { margin-right: .35ch; }
  .fleet-rail li { grid-template-columns: 76px 1fr; gap: 10px 14px; min-height: 0; padding: 20px 0; }
  .fleet-rail > li > span { justify-self: start; }
  .fleet-rail li > div { grid-column: 2; }
  .kit-panel, .installer-panel { padding: 32px 0; }
  .installer-gate { grid-template-columns: 1fr; }
  .repeater-ladder { grid-template-columns: 1fr; border-bottom: 0; }
  .repeater-ladder article, .repeater-ladder article + article { display: grid; grid-template-columns: 86px 1fr; min-height: 0; padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--border); }
  .repeater-ladder article div { display: grid; }
  .repeater-ladder p { margin: 0; }
  .solar-callout { gap: 30px; margin-right: -16px; margin-left: -16px; padding: 34px 22px; }
  .gate-row { grid-template-columns: 1fr auto; gap: 8px 12px; min-height: 0; padding: 19px 0; }
  .gate-row p { grid-column: 1 / -1; }
  .day-plan { grid-template-columns: 1fr; gap: 20px; margin-right: -16px; margin-left: -16px; padding: 30px 22px; }
  .day-plan li { grid-template-columns: 90px 1fr; }
  .faq-section { grid-template-columns: 1fr; gap: 30px; }
  .community-section { grid-template-columns: 1fr; margin: 0 16px 42px; padding: 44px 22px; }
  .offline-page { grid-template-columns: 1fr; padding: 26px 16px 50px; }
  .offline-card + .offline-card { border-top: 0; border-left: 2px solid var(--text); }
  .offline-card .brand { margin-bottom: 46px; }
  .offline-en { margin-top: 0; }
  .project-overview { padding: 58px 16px 50px; }
  .lab-hero { padding: 58px 16px 42px; }
  .lab-hero h1 { font-size: clamp(2.2rem, 9vw, 3.2rem); }
  .project-overview h1 { font-size: clamp(2.2rem, 9vw, 3.2rem); }
  .project-actions { display: grid; }
  .project-summary div { min-height: 96px; }
  .project-audit-head { grid-template-columns: 1fr; gap: 20px; }
  .audit-verdict { justify-self: start; white-space: normal; }
  .audit-metrics { grid-template-columns: 1fr 1fr; }
  .audit-metrics > div:nth-child(2) { border-right: 0; }
  .audit-metrics > div:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .audit-lane { grid-template-columns: 1fr; gap: 5px; }
  .project-gate-ledger li { grid-template-columns: 52px 1fr; gap: 8px 12px; }
  .project-state { grid-column: 2; justify-self: start; }
  .evidence-block { grid-template-columns: 1fr; gap: 22px; }
  .evidence-ledger > div { grid-template-columns: 92px 1fr; gap: 6px 10px; }
  .evidence-ledger p { grid-column: 1 / -1; }
  .execution-ledger li, .stop-rule { grid-template-columns: 1fr; gap: 7px; }
  .layer-ledger li { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .layer-ledger li > strong { justify-self: start; text-align: left; }
  .layer-toolbar { align-items: flex-start; flex-direction: column; }
  .lab-result dl { grid-template-columns: 1fr; }
  .lab-result dl div, .lab-result dl div + div { padding: 13px 0; border-right: 0; border-bottom: 1px solid var(--border); }
  .lab-result dl div:last-child { border-bottom: 0; }
  .onboarding-rehearsal { grid-template-columns: 1fr; gap: 24px; }
  .onboarding-state { padding: 18px 0 0; border-top: 4px solid var(--attention); border-left: 0; }
  .onboarding-state.result-rehearsal_ready { border-top-color: var(--verified); }
  .crypto-rehearsal { grid-template-columns: 1fr; gap: 20px; }
  .crypto-state { padding: 16px 0 0; border-top: 4px solid var(--attention); border-left: 0; }
  .crypto-state.crypto-passed { border-top-color: var(--verified); }
  .crypto-state.crypto-failed { border-top-color: var(--danger); }
  .doctor-result > div { display: grid; gap: 6px; }
  .release-report { grid-template-columns: 1fr; }
  .release-report dl { grid-template-columns: 1fr 1fr; }
  .release-report dl div { padding: 11px 8px 11px 0; border-top: 1px solid var(--border); border-left: 0; }
  .release-report dl div:nth-child(even) { padding-left: 10px; border-left: 1px solid var(--border); }
  .guard-ledger > div { grid-template-columns: 1fr; gap: 7px; }
  .tree-row { grid-template-columns: 128px 1fr; gap: 10px; }
  .tree-row.depth-2 code { padding-left: 25px; }
  .flow-row { grid-template-columns: 1fr; }
  .flow-row span { min-height: auto; padding: 10px 30px 10px 0; border-bottom: 1px solid var(--border); }
  .flow-row i { top: 10px; }
}

@media (max-width: 370px) {
  .brand-lockup small { display: none; }
  .menu-toggle { padding-left: 12px; }
  .theme-switch button { padding-right: 5px; padding-left: 5px; font-size: .58rem; }
  .lang-switch { padding-left: 7px; }
  .hero h1 { font-size: 2.05rem; }
  .audit-metrics { grid-template-columns: 1fr; }
  .audit-metrics > div, .audit-metrics > div + div { padding: 14px 0; border-right: 0; border-bottom: 1px solid var(--border); }
  .audit-metrics > div:last-child { border-bottom: 0; }
  .repeater-ladder article, .repeater-ladder article + article { grid-template-columns: 1fr; gap: 5px; }
}

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

/* ═══════════════════════════════════════════════════════════════════════════
   ŻYWA KOSTKA — sekcje strony głównej zbudowane wokół makiety (18.08.2026)

   Prefiks `k-` jest świadomy: te klasy przyszły z osobnego prototypu i mają
   NIE kolidować z resztą arkusza. Jedyna nazwa, która się powtarzała (.hero),
   zostaje wspólna — sekcja dokłada do niej modyfikator .k-scena.
   ═══════════════════════════════════════════════════════════════════════════ */

.k-makieta { position: relative; display: inline-block; line-height: 0; }
.k-makieta img { display: block; height: auto; max-width: 100%; }
/* Nakładka ekranu: canvas przy stanach animowanych, obrazek przy zrzucie
   strony tekstowej. `fill` — bo okienko w obudowie ma odrobinę inną proporcję
   niż 64×48 i to ono, nie obrazek, wyznacza kadr. */
.k-oled { position: absolute; image-rendering: pixelated; object-fit: fill;
  box-shadow: 0 0 22px color-mix(in srgb, var(--primary) 22%, transparent); }

.k-scena { align-items: center; }
/* Siatka hero na stronie jest ustawiona pod „tekst szeroko, aside wąsko".
   Tu jest odwrotnie: przedmiot jest bohaterem i dostaje lewą kolumnę. */
.k-scena { grid-template-columns: minmax(280px, 1fr) minmax(0, 1.04fr); }
.k-scena .k-makieta { justify-self: center; }
/* ⚠ Rysunek MUSI być skalowany SZEROKOŚCIĄ, nie wysokością. Przy `height` +
   `width:auto` + `max-width:100%` wąska kolumna ścinała ramkę obrazka, a SVG
   wpisywał się w nią z zachowaniem proporcji i wyśrodkowywał — ramka zostawała
   wyższa niż rysunek. Kanwa z animacją liczy położenie okna OLED w ułamkach
   RAMKI, więc siadała niżej niż samo okno. Objaw: czarny pas nad animacją.
   Przy `width:100%` ramka zawsze ma proporcje rysunku i ułamki się zgadzają. */
.k-scena .k-makieta { width: 100%; }
.k-scena .k-makieta img { width: 100%; height: auto; }
/* Ten sam próg co reszta arkusza (760 px), inaczej moja reguła siatki bije
   media query strony i hero zostaje dwukolumnowe na telefonie. */
@media (max-width: 760px) {
  .k-scena { grid-template-columns: 1fr; }
  .k-scena .k-makieta { order: -1; }
  /* Na telefonie przedmiot nie może zjeść całego pierwszego ekranu — nagłówek
     musi być widoczny bez przewijania. */
  .k-scena .k-makieta { width: min(100%, 330px); margin-inline: auto; }
}

.k-gestosc { margin: 22px 0 18px; }
.k-gestosc label { display: block; font-size: 15px; }
.k-gestosc input[type="range"] { width: 100%; height: 44px; margin: 4px 0 0;
  background: transparent; -webkit-appearance: none; appearance: none; }
/* Cel dotykowy 26 px: WCAG 2.5.8 wymaga 24, a domyślny uchwyt ma 16. */
.k-gestosc input[type="range"]::-webkit-slider-runnable-track { height: 4px;
  background: var(--border); border-radius: 2px; }
.k-gestosc input[type="range"]::-moz-range-track { height: 4px;
  background: var(--border); border-radius: 2px; }
.k-gestosc input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none;
  appearance: none; width: 26px; height: 26px; margin-top: -11px; border-radius: 50%;
  background: var(--primary); border: 2px solid var(--surface); }
.k-gestosc input[type="range"]::-moz-range-thumb { width: 26px; height: 26px;
  border-radius: 50%; background: var(--primary); border: 2px solid var(--surface); }
.k-odczyt { display: flex; justify-content: space-between; gap: 12px;
  font-size: 13px; margin: 0; }
.k-odczyt b { font-family: var(--font-atkinson-mono), monospace;
  font-variant-numeric: tabular-nums; font-weight: 800; }
.k-cichy { color: var(--muted); }
.k-uwaga { border-left: 3px solid var(--signal); padding: 2px 0 2px 16px;
  margin: 18px 0 0; color: var(--muted); font-size: 15px; }

.k-dwie { display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 56px); align-items: start; }
@media (max-width: 860px) { .k-dwie { grid-template-columns: 1fr; } }

.k-stany { display: grid; grid-template-columns: minmax(200px, 30%) 1fr;
  gap: clamp(24px, 4vw, 56px); align-items: start; }
.k-lepki { position: sticky; top: 88px; text-align: center; }
.k-lepki .k-makieta { width: min(100%, 240px); margin-inline: auto; }
.k-lepki .k-makieta img { width: 100%; height: auto; }
@media (max-width: 860px) {
  .k-stany { grid-template-columns: 1fr; }
  .k-lepki { position: static; }
}
.k-lista { list-style: none; margin: 22px 0 0; padding: 0;
  border-top: 1px solid var(--border); }
.k-lista li { border-bottom: 1px solid var(--border); }
.k-wiersz { display: grid; grid-template-columns: minmax(148px, 22%) 1fr;
  column-gap: 24px; row-gap: 6px; width: 100%; text-align: left; padding: 16px 12px;
  border: 0; background: none; color: inherit; font: inherit; cursor: pointer; }
.k-wiersz:hover { background: var(--surface); }
.k-wiersz[aria-pressed="true"] { background: var(--surface);
  box-shadow: inset 3px 0 0 var(--pulse); }
.k-wiersz:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; }
.k-slowo { font-family: var(--font-display), sans-serif; font-size: 17px;
  letter-spacing: .04em; }
.k-kiedy { display: block; font-size: 14px; color: var(--muted); margin-top: 4px; }
.k-gesty { list-style: none; display: grid; gap: 12px; margin: 20px 0 0; padding: 0; }
.k-gest { display: grid; grid-template-columns: 104px 1fr auto; gap: 16px;
  align-items: center; background: var(--surface); border: 1px solid var(--border);
  padding: 14px 16px; }
@media (max-width: 560px) { .k-gest { grid-template-columns: 1fr; } }
.k-ile { font-family: var(--font-atkinson-mono), monospace; font-size: 13px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--signal-ink); }

/* Przełącznik SIEĆ / SAM: tekst po lewej, dwa ekrany kostki po prawej.
   Obrazki są ZRZUTAMI z firmware'u (site/scripts/zrzuty-ekranu.py) zapisanymi
   w rozdzielczości OLED-a — 64×48. Powiększa je przeglądarka, więc piksel musi
   zostać pikselem; stąd `pixelated` i brak wypełnienia wokół obrazu: kadr to
   dokładnie ekran, nie ekran z ozdobną ramką. */
.k-tryby { display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(20px, 3vw, 44px); align-items: end;
  margin-top: clamp(28px, 4vw, 52px); }
.k-tryby-tekst h3 { margin: 6px 0 12px; }
.k-tryby-stopka { grid-column: 1 / -1; margin-top: 6px; }
/* Obie makiety w jednej grupie i w RÓWNYCH kolumnach: mają się równać do
   siebie, a nie każda osobno do siatki — inaczej dłuższy podpis spycha swój
   kadr niżej i dwa ujęcia tego samego przedmiotu wyglądają jak dwa różne. */
.k-ekrany { display: grid; gap: clamp(16px, 2.4vw, 32px); align-items: start;
  /* `minmax(0, 1fr)`, nie `1fr`: domyślne minimum ścieżki to min-content, więc
     kadr o stałych 232 px rozpychał siatkę na 464 px i na telefonie wychodził
     poza sekcję (zmierzone przy 390 px). */
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 860px) {
  .k-tryby { grid-template-columns: minmax(0, 1fr); }
  .k-ekrany { max-width: 420px; }
}
/* Na telefonie dwa kadry obok siebie dają ekran szerokości 68 px — czyli znowu
   nieczytelny. Lepiej jeden pod drugim i pełną szerokością. */
@media (max-width: 560px) {
  .k-ekrany { grid-template-columns: minmax(0, 1fr); max-width: 300px; }
}
.k-ekran { margin: 0; }
/* ZBLIŻENIE. Ekran nigdy nie wisi sam — siedzi w tej samej makiecie kostki, co
   animowane stany wyżej. Ale cała kostka jest wąska i wysoka (692 × 1610), więc
   przy szerokości mieszczącej się w kolumnie OLED miałby czterdzieści pikseli
   i nikt by go nie przeczytał. Pokazujemy więc wycinek wokół okienka i naszej
   diody, jak detal na rysunku technicznym. Rozmiar i przesunięcie rysunku
   w środku liczy app.js z ułamków, które podaje SAM RYSUNEK — tu jest tylko
   okno, przez które patrzymy. */
.k-lupa { position: relative; overflow: hidden; width: 232px; max-width: 100%;
  aspect-ratio: 1 / 1; border: 1px solid var(--border); background: var(--surface); }
.k-lupa .k-makieta { position: absolute; }
.k-lupa .k-makieta > img:first-child { width: 100%; height: auto; }
.k-ekran figcaption { font-size: 14px; color: var(--muted);
  padding-top: 12px; max-width: 24ch; }

/* Jedna czynność = jeden komponent. Wcześniej „zagraj frazę" miało dwa różne
   wyglądy w dwóch kolumnach i prawa nie mówiła, że to przyciski dźwięku. */
.k-dzwiek { display: inline-flex; align-items: center; gap: 9px; font: inherit;
  font-size: 13px; min-height: 44px; padding: 0 15px; cursor: pointer;
  background: transparent; color: var(--text); border: 1px solid var(--border); }
.k-dzwiek:hover { border-color: var(--text); background: var(--surface-muted); }
.k-dzwiek:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.k-dzwiek .icon { width: 11px; height: 11px; flex: none; color: var(--signal); }
.k-glosy { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.k-telefony { display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 3vw, 40px); margin-top: 32px; }
@media (max-width: 760px) { .k-telefony { grid-template-columns: 1fr;
  max-width: 340px; margin-inline: auto; } }
.k-telefon { margin: 0; border: 1px solid var(--border-strong); border-radius: 26px;
  padding: 9px; background: var(--surface); }
.k-telefon img { display: block; width: 100%; height: auto; border-radius: 18px; }
.k-telefon figcaption { font-size: 14px; color: var(--muted); padding: 12px 6px 2px; }
.k-schemat { width: 100%; height: auto; color: var(--border-strong);
  margin-bottom: 14px; }
.k-schemat-opis { fill: var(--muted);
  font-family: var(--font-atkinson-mono), monospace; letter-spacing: 1px; }

@media (prefers-reduced-motion: reduce) { .k-oled { box-shadow: none; } }

/* ── poprawki po przeglądzie łatwości (18.08, ocena 4/10) ─────────────────── */
@media (max-width: 760px) {
  /* Na telefonie oba przyciski akcji wypadały poniżej zgięcia, a ostatnią
     rzeczą przed decyzją „przewijam czy zamykam" był suwak, którego czytelnik
     nie rozumie. Akcje idą przed suwak; kolejność w DOM zostaje bez zmian. */
  .k-scena .hero-copy { display: flex; flex-direction: column; }
  .k-scena .hero-copy .hero-actions { order: 1; margin-top: 22px; }
  /* Akapit o języku ekranu schodzi POD akcje: najpierw czym to jest i co
     z tym zrobić, dopiero potem, jak to działa. */
  .k-scena .hero-copy .k-lead-ekran { order: 2; }
  .k-scena .hero-copy .k-gestosc { order: 3; }
  .k-scena .hero-copy .k-uwaga { order: 4; }
  /* Znak wodny „868" wchodził na rysunek i był pierwszym elementem graficznym,
     jaki widzi ktoś, dla kogo ta liczba nic nie znaczy. */
  .k-scena::before { opacity: .45; }
}

.k-podpis { font-size: 14px; line-height: 1.45; color: var(--muted);
  max-width: 34ch; margin: 14px auto 0; text-align: center; }

/* ── DWIE DIODY NA MAKIECIE ──────────────────────────────────────────────────
   Nakładki leżą na rysunku w miejscach podanych przez sam rysunek
   (data-dioda-* z site/scripts/kostka-c6l.py). Położenie ustawia app.js,
   wygląd — te reguły. */
.k-makieta .k-dioda {
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

/* WS2812 na G2 — nasza. Barwę i jasność co klatkę podaje app.js, przepisując
   zachowanie z BiperFeedback.cpp. */
.k-makieta .k-dioda-rgb {
  opacity: 0;
  transition: opacity 90ms linear;
}

/* STATUS LED — fabryczna. Zielona i równa, dopóki jest zasilanie. */
.k-makieta .k-dioda-zas {
  background: #56e284;
  box-shadow: 0 0 5px 1px rgb(86 226 132 / 0.85);
}

@media (prefers-reduced-motion: reduce) {
  .k-makieta .k-dioda-rgb { transition: none; }
}

/* ── MAKIETA W FIGURZE ROZDZIAŁU „OD PUDEŁKA DO ROZMOWY" ─────────────────────
   Rysunek jest tu tym samym elementem co w hero: żywy ekran i obie diody.
   Dlatego wchodzi jako .k-makieta, a nie jako zwykły <img> z object-fit —
   przy object-fit ramka obrazka nie pokrywa się z obrazem i nakładki siadają
   obok kostki, nie na niej. Ten sam błąd kosztował już jedną sesję. */
.hardware-photo { display: flex; align-items: center; justify-content: center; }
.hardware-photo .k-makieta { width: min(70%, 258px); line-height: 0; }
.hardware-photo .k-makieta img { width: 100%; height: auto; object-fit: fill; }
/* Wyniesienia opisowe liczone względem RYSUNKU, nie względem figury: korpus
   zajmuje 0,283–0,717 jej szerokości, gniazda SMA stoją na 0,374 i 0,630. */
.hardware-photo .photo-callout { white-space: nowrap; }
.hardware-photo-closeup .callout-antenna { top: 44%; right: 66%; bottom: auto; left: auto; }
.hardware-photo-closeup .callout-antenna::after { top: 50%; right: auto; left: 100%; width: 26px; }
.hardware-photo-closeup .callout-power { top: 71%; right: auto; bottom: auto; left: 80%; }
.hardware-photo-closeup .callout-power::after { top: 50%; right: 100%; left: auto; width: 18px; }
/* ── DWIE MAPY ───────────────────────────────────────────────────────────────
   Zamiast makiety mapy z wymyślonymi punktami: dwa wejścia do map, które
   naprawdę pokazują sieć. Decyzja właściciela 18.08: „jak nie mamy realnej
   mapy, to po co makieta". */
.k-mapy { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 34px; }
.k-mapy-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.k-mapa {
  display: grid;
  align-content: start;
  gap: 7px;
  padding: 22px 24px 24px;
  border: 2px solid var(--text);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  transition: box-shadow .16s ease, transform .16s ease;
}
.k-mapa:hover, .k-mapa:focus-visible { box-shadow: 6px 6px 0 var(--text); transform: translate(-2px, -2px); }
.k-mapa-rola { color: var(--signal-ink); font: 750 .57rem/1.2 var(--font-atkinson-mono), monospace; letter-spacing: .09em; text-transform: uppercase; }
.k-mapa strong { font-family: var(--font-display), sans-serif; font-size: clamp(1.15rem, 2vw, 1.6rem); font-weight: 400; letter-spacing: -.03em; line-height: 1.02; }
.k-mapa-adres { display: flex; align-items: center; gap: 6px; font: 750 .66rem/1.2 var(--font-atkinson-mono), monospace; }
.k-mapa-opis { margin-top: 5px; color: var(--muted); font-size: .8rem; line-height: 1.5; }
.map-section .k-uwaga { margin-top: 20px; }
@media (max-width: 900px) {
  .k-mapy, .k-mapy-3 { grid-template-columns: 1fr; }
  .hardware-photo .k-makieta { width: min(74%, 210px); }
}

/* ── PRÓBA GŁOSU I ŚWIATŁA ───────────────────────────────────────────────────
   Kostka stoi TU, przy przyciskach, a nie tylko w sekcji wyżej: naciśnięcie ma
   od razu coś zrobić w polu widzenia, inaczej „posłuchaj" jest samym dźwiękiem. */
/* Trzy dzieci w dwóch kolumnach: makieta, podpis i lista świateł. Bez jawnego
   przypisania trzecie dziecko spadało do drugiego RZĘDU PIERWSZEJ kolumny —
   czyli lista sześciu kolorów lądowała pod kostką, w słupku szerokim na 118 px,
   i każdy opis łamał się na trzy wiersze. Makieta bierze więc obie linie,
   a tekst i lista stoją obok niej. */
.k-proba { display: grid; grid-template-columns: 118px minmax(0, 1fr);
  gap: 10px clamp(18px, 3vw, 34px); align-items: start; margin: 26px 0 22px; }
.k-proba .k-makieta { grid-row: 1 / span 2; align-self: center; }
.k-proba .k-makieta { width: 100%; }
.k-proba .k-makieta img { width: 100%; height: auto; }
.k-swiatla { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.k-swiatla li { display: grid; grid-template-columns: 14px 1fr; gap: 11px; align-items: center; font-size: .78rem; }
.k-swiatlo { width: 10px; height: 10px; border-radius: 999px; background: var(--k); box-shadow: 0 0 7px 1px var(--k); }
.k-swiatlo-brak { border: 1px solid var(--border-strong); background: transparent; box-shadow: none; }
.k-ninja { margin-top: 14px; }
.k-ninja[aria-pressed="true"] { border-color: var(--signal-ink); color: var(--signal-ink); }
@media (max-width: 720px) {
  .k-proba { grid-template-columns: 96px minmax(0, 1fr); }
}

/* ── DRABINA ZASIĘGU ─────────────────────────────────────────────────────────
   Cztery szczeble, nie cztery karty w rzędzie: to jest skala, więc ma się
   czytać z góry na dół i rosnąć. Liczba pierwsza, warunek drugi, przypis trzeci. */
.k-drabina { display: grid; gap: 0; margin: 34px 0 0; padding: 0; border-top: 2px solid var(--text); list-style: none; counter-reset: szczebel; }
.k-drabina li { display: grid; grid-template-columns: minmax(150px, 22%) minmax(0, 1fr) minmax(0, 34%); gap: 6px 22px; align-items: baseline; padding: 20px 0; border-bottom: 1px solid var(--border); }
.k-drabina b { font-family: var(--font-display), sans-serif; font-size: clamp(1.3rem, 2.4vw, 1.9rem); font-weight: 400; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.k-drabina span { font-size: .88rem; }
.k-drabina small { color: var(--muted); font-size: .76rem; }
.k-drabina li:nth-child(1) b { color: var(--muted); }
.k-drabina li:nth-child(4) b { color: var(--signal-ink); }

.k-trasa { margin-top: 40px; padding: clamp(26px, 3.4vw, 40px); border: 2px solid var(--text); background: var(--surface-muted); }
.k-trasa h3 { margin: 0 0 14px; font-family: var(--font-display), sans-serif; font-size: clamp(1.4rem, 2.6vw, 2.1rem); font-weight: 400; letter-spacing: -.035em; line-height: 1; }
.k-trasa p { margin: 0 0 12px; max-width: 66ch; font-size: .88rem; line-height: 1.62; }
.k-trasa .k-uwaga { margin-bottom: 0; }
@media (min-width: 1041px) {
  .k-trasa { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); column-gap: clamp(36px, 4vw, 64px); }
  .k-trasa h3 { grid-column: 1 / -1; }
  .k-trasa > p:not(.k-uwaga) { grid-column: 1; }
  .k-trasa .k-uwaga { grid-column: 2; grid-row: 2 / span 2; align-self: start; }
}

@media (max-width: 820px) {
  .k-drabina li { grid-template-columns: 1fr; gap: 3px; padding: 16px 0; }
}

/* Lista kolorów diody: etykieta i znaczenie rozdzielone UKŁADEM, nie pauzą.
   Sześć pauz z rzędu w jednym bloku czyta się jak maniera, a nie jak rytm. */
.k-swiatla li span { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 10px; }
.k-swiatla li span i { color: var(--muted); font-style: normal; }
@media (max-width: 560px) { .k-swiatla li span { grid-template-columns: 1fr; gap: 1px; } }

/* ── RAMKA „WAŻNE" ───────────────────────────────────────────────────────────
   Jedyny czerwony blok na stronie i ma taki zostać. Używamy go do rzeczy
   NIEODWRACALNYCH — dziś jednej: wymazania kostki. Czerwień, która pojawia się
   przy każdej uwadze, przestaje cokolwiek znaczyć w chwili, w której naprawdę
   jest potrzebna. Znacznik niesie SŁOWO, nie samą barwę: przy monochromatycznym
   wydruku i przy daltonizmie ramka dalej mówi „ważne". */
.k-wazne {
  margin-top: clamp(34px, 4vw, 52px);
  padding: clamp(24px, 3vw, 34px);
  border: 3px solid var(--danger);
  background: var(--danger-soft);
}
.k-wazne-znak {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  background: var(--danger);
  color: var(--bg);
  font: 750 .6rem/1 var(--font-atkinson-mono), monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.k-wazne h3 {
  margin: 0 0 14px;
  font-family: var(--font-display), sans-serif;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 400;
  letter-spacing: -.035em;
  line-height: 1;
}
.k-wazne p { margin: 0 0 11px; max-width: 68ch; font-size: .88rem; line-height: 1.6; }
.k-wazne p:last-child { margin-bottom: 0; }
.k-wazne-stopka { color: var(--muted); font-size: .78rem; }

/* Gdzie kupić: Polska i reszta świata. Krok pierwszy był do dziś jedynym
   krokiem bez akcji — mówił „kup kostkę" i nie mówił gdzie. */
.k-gdzie { display: grid; gap: 6px; margin-top: 12px; }
.k-gdzie a { display: flex; align-items: center; gap: 6px; color: var(--primary); font: 750 .68rem/1.3 var(--font-atkinson-mono), monospace; text-underline-offset: 4px; }

/* Zapis na newsletter (#newsletter) — formularz POST na wlasny endpoint portalu. */
.zapis-form{max-width:600px}
.zapis-hp{position:absolute;left:-9999px;top:auto}
.zapis-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.zapis-row input[type="email"]{flex:1 1 240px;padding:12px 14px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font:inherit}
.zapis-row input[type="email"]:focus-visible{outline:2px solid var(--primary);outline-offset:1px}
.zapis-zgoda{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--muted);max-width:64ch}
.zapis-zgoda a{color:inherit}

/* #dlaczego: dyptyk DOSTAJESZ / MASZ — mechanizm, nie dekoracja. */
.k-dwie-drogi{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
@media (max-width:720px){.k-dwie-drogi{grid-template-columns:1fr}}
.k-droga{border:1px solid var(--border-strong);background:var(--surface);padding:20px 20px 16px}
.k-droga h3{margin:2px 0 12px;font-size:1.5rem}
.k-droga-rys{display:block;width:100%;max-width:340px;height:auto;margin:0 0 12px;color:var(--text)}
.k-droga p:last-child{margin-bottom:0;color:var(--muted)}
.k-rys-opis{font:600 9px var(--font-atkinson-mono,monospace);letter-spacing:.08em;text-transform:uppercase;fill:var(--muted)}

/* Hero: linia "sieć żyje" — puls jak w on-air, liczba z pomiaru mapy. */
.k-zyje{display:flex;align-items:center;gap:10px;margin:14px 0 4px;font-size:.95rem}
.k-zyje i{flex:none;width:9px;height:9px;border-radius:50%;background:var(--pulse);border:1px solid color-mix(in srgb, var(--text) 55%, transparent);animation:k-zyje-puls 2.4s ease-in-out infinite}
.k-zyje a{color:inherit}
@keyframes k-zyje-puls{0%,100%{opacity:.45}50%{opacity:1}}
@media (prefers-reduced-motion: reduce){.k-zyje i{animation:none}}

/* Film 30 s — jeden plik, natywny odtwarzacz. */
.k-film{display:block;width:100%;max-width:960px;height:auto;border:1px solid var(--border-strong);background:#000}

.k-filmy{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:900px){.k-filmy{grid-template-columns:1fr}}
.k-film-poz{margin:0}
.k-film-poz figcaption{margin-top:10px;font-size:.9rem;color:var(--muted)}
.k-film-poz .eyebrow{display:block;margin-bottom:2px}

/* Instalator "prosto": trzy kroki widoczne NARAZ, numer z licznika, zero
   ukrytych stanow. Wersja kreatorowa (pasek, Dalej/Wstecz) upadla trzykrotnie
   z tego samego powodu — ukryte kroki to model maszyny stanow w glowie
   uzytkownika. Po udanym wgraniu JS podswietla ostatni krok (.prosto-go). */
/* display:grid na .model-choice i .flash-progress wygrywalo z atrybutem
   [hidden] — karta wyboru i pasek 0% staly na stronie przed czasem. */
.model-choice[hidden],.flash-progress[hidden]{display:none}
/* Instalator to narzedzie: hero bez pelnoekranowej sceny, od razu kroki. */
.install-page .hero,.manual-page .hero{min-height:auto;padding-bottom:10px}
.prosto{list-style:none;counter-reset:prosto;padding:0;margin:26px 0 0;display:grid;gap:18px}
.prosto > li{counter-increment:prosto;border:1px solid var(--border-strong);background:var(--surface);padding:20px 22px 16px;position:relative}
.prosto > li > h2{margin:0 0 6px;padding-left:44px;font-size:1.25rem}
.prosto > li > h2::before{content:counter(prosto);position:absolute;left:20px;top:16px;width:30px;height:30px;display:grid;place-content:center;border:2px solid var(--primary);color:var(--primary);font:800 16px var(--font-atkinson-mono,monospace)}
.prosto > li > p{margin:0 0 12px;padding-left:44px;max-width:60ch}
.prosto > li.prosto-go{border-color:var(--signal);box-shadow:0 0 0 2px var(--signal)}
.prosto > li.prosto-go > h2::before{border-color:var(--signal);color:var(--signal)}
.prosto > li.prosto-done{border-color:var(--verified)}
.prosto > li.prosto-done > h2::before{border-color:var(--verified);color:var(--verified)}
.prosto-stan{margin-left:12px;padding:2px 8px;font:700 11px var(--font-atkinson-mono,monospace);letter-spacing:.08em;vertical-align:middle;color:var(--ink-fixed)} /* --bg na signalu = 2,47:1 w light (Kimi C-06.2) */
.prosto-done .prosto-stan{background:var(--verified)}
.prosto-go .prosto-stan{background:var(--signal)}
.prosto .technical-details{margin:8px 0 0}
@media (max-width:560px){
  .prosto > li > h2,.prosto > li > p{padding-left:38px}
  .owner-photo-krok{float:none;margin:0 auto 12px}
}

/* Instrukcja obslugi: rysunek techniczny z numerowanymi punktami + wpisy
   filtrowane wyszukiwarka. Kwadratowe znaczniki - jezyk rysunku, nie pinezki. */
.man-szukaj{display:flex;gap:14px;align-items:baseline;margin:22px 0 0}
.man-szukaj input{flex:0 1 420px;padding:12px 14px;border:2px solid var(--border-strong);background:var(--surface);color:var(--text);font:500 1rem var(--font-atkinson-mono,monospace)}
.man-szukaj input:focus{outline:none;border-color:var(--primary)}
.man-wynik{color:var(--muted);font-size:.85rem;letter-spacing:.06em}
.man-budowa{display:grid;grid-template-columns:minmax(0,330px) minmax(0,1fr);gap:32px;align-items:start}
.man-rys{position:relative;margin:0}
.man-rys img{width:100%;height:auto;display:block}
.man-pkt{position:absolute;transform:translate(-50%,-50%);min-width:22px;height:22px;display:grid;place-content:center;background:var(--primary);color:var(--bg);font:700 12px var(--font-atkinson-mono,monospace)}
.man-legenda{list-style:none;counter-reset:man;margin:0;padding:0;display:grid;gap:12px}
.man-legenda li{counter-increment:man;position:relative;padding-left:36px;max-width:62ch}
.man-legenda li::before{content:counter(man);position:absolute;left:0;top:1px;min-width:22px;height:22px;display:grid;place-content:center;background:var(--primary);color:var(--bg);font:700 12px var(--font-atkinson-mono,monospace)}
.man-wpis{border-top:1px solid var(--border-strong);padding:20px 0 6px}
.man-wpis h3{margin:0 0 8px}
.man-wpis p,.man-wpis li{max-width:68ch}
@media (max-width:700px){.man-budowa{grid-template-columns:1fr}.man-rys{max-width:280px;margin:0 auto}}

/* Zdjecie w kroku: miniatura do rozpoznania kostki, nie mural. */
.owner-photo-krok{max-width:150px;float:right;margin:0 0 10px 16px}
.owner-photo-krok img{width:100%;height:auto}
.owner-photo-krok figcaption{display:block;font-size:.72rem}
.owner-photo-krok figcaption strong{display:inline;margin-right:5px}
.prosto > li::after{content:"";display:block;clear:both}