/* =========================================================
   STRUCTIS — "Drawing Sheet" design system, dark
   Near-black · hairline grid · registration marks · sharp
   No rounding. One phosphor-green marking ink.
   ========================================================= */

/* ------- self-hosted fonts (GDPR: no third-party requests) ------- */
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/archivo-latin.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin.woff2") format("woff2");
}

:root {
  color-scheme: dark;

  --bg:    #0B0B0B;
  --bg-2:  #111111;     /* recessed surfaces */
  --grid:  #161616;     /* graph-paper lines */
  --ink:   #ECECEA;
  --ink-2: #9B9B98;     /* muted body */
  --ink-3: #757572;     /* faint / captions */
  --line:  #232323;     /* hairline */
  --line-2:#303030;     /* stronger hairline */

  /* marking ink — used like a stamp, sparingly */
  --accent: #00FF6A;
  /* recording indicator only — red stays red */
  --rec: #FF453A;

  --display: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;

  --maxw: 1280px;
  --pad: clamp(20px, 4vw, 56px);   /* inner sheet gutter */

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--bg); }

a { color: inherit; text-decoration: none; }

img, svg, video { display: block; max-width: 100%; }

.mono {
  font-family: var(--mono);
  font-weight: 400;
  letter-spacing: 0.06em;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--ink); color: var(--bg);
  padding: 10px 16px; font-size: 13px;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* =========================================================
   The sheet — full-page frame with side rules
   ========================================================= */
.page {
  max-width: var(--maxw);
  margin-inline: auto;
  border-inline: 1px solid var(--line);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }

@media (max-width: 720px) {
  .page { border-inline: none; }
}

/* registration crosshair — placed at section/border intersections */
.sec, .cell-figure, .task { position: relative; }
.sec::before, .sec::after,
.cell-figure::before, .cell-figure::after {
  content: ""; position: absolute; top: -6px; z-index: 3;
  width: 11px; height: 11px; pointer-events: none;
  background:
    linear-gradient(var(--ink-3), var(--ink-3)) center / 11px 1px no-repeat,
    linear-gradient(var(--ink-3), var(--ink-3)) center / 1px 11px no-repeat;
}
.sec::before, .cell-figure::before { left: -6px; }
.sec::after,  .cell-figure::after  { right: -6px; }
@media (max-width: 720px) {
  .sec::before, .sec::after,
  .cell-figure::before, .cell-figure::after { display: none; }
}

/* status dot — marking ink */
.status-dot {
  display: inline-block; width: 7px; height: 7px;
  background: var(--accent); margin-right: 9px;
  animation: blink 2.2s var(--ease) infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }
@media (prefers-reduced-motion: reduce) { .status-dot { animation: none; } }

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: stretch;
  height: 60px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex; align-items: center; gap: 12px;
  padding-inline: var(--pad);
  border-right: 1px solid var(--line);
  color: var(--ink);
}
.brand-mark { width: 21px; height: 21px; color: var(--ink); flex: none; }
.brand-word {
  font-family: var(--mono);
  font-weight: 500; font-size: 15px; letter-spacing: 0.18em;
}

.nav {
  display: flex; align-items: stretch; flex: 1;
}
.nav a {
  display: inline-flex; align-items: center; gap: 8px;
  padding-inline: clamp(14px, 1.8vw, 26px);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-2);
  border-right: 1px solid var(--line);
  transition: color .15s var(--ease), background .15s var(--ease);
}
.nav a span { color: var(--ink-3); font-size: 10px; }
.nav a:hover { color: var(--ink); background: var(--bg-2); }
.nav a:hover span { color: var(--accent); }

.hdr-cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding-inline: clamp(16px, 2vw, 28px);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em;
  background: var(--ink); color: var(--bg);
  border-left: 1px solid var(--ink);
  transition: background .15s var(--ease);
}
.hdr-cta:hover { background: var(--accent); }

.nav-toggle {
  display: none; width: 60px; border: none; border-left: 1px solid var(--line);
  background: transparent; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 6px;
}
.nav-toggle span { width: 20px; height: 1.5px; background: var(--ink); transition: .25s var(--ease); }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

.mobile-nav {
  display: none; flex-direction: column;
  position: sticky; top: 60px; z-index: 49;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 15px var(--pad);
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink); border-top: 1px solid var(--line);
}
.mobile-nav a span { color: var(--ink-3); font-size: 10px; }
.mobile-nav .mobile-cta { background: var(--ink); color: var(--bg); }

@media (max-width: 880px) {
  .nav, .hdr-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .brand { border-right: none; flex: 1; }
}

/* =========================================================
   Hero — machine-first, sparse
   ========================================================= */
.hero {
  padding: clamp(40px, 6vw, 88px) var(--pad) clamp(36px, 5vw, 64px);
}

.hero-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: clamp(24px, 4vw, 64px); flex-wrap: wrap;
  margin-top: 30px;
}

.kicker {
  display: flex; align-items: center;
  font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-2);
  margin: 0 0 30px;
}

.hero-title {
  font-size: clamp(38px, 6.4vw, 84px);
  line-height: 0.98; font-weight: 600; letter-spacing: -0.04em;
  margin: 0; max-width: 14ch; color: var(--ink);
  text-wrap: balance;
}

.hero-sub {
  margin: 0; max-width: 44ch;
  font-size: clamp(16px, 1.5vw, 18px); color: var(--ink-2);
  line-height: 1.6;
}

.hero-cta {
  display: flex; gap: 14px; flex-wrap: wrap;
}

/* ------- buttons: square, mono, no rounding ------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12.5px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 15px 24px;
  border: 1px solid var(--ink); cursor: pointer;
  background: transparent; color: var(--ink);
  transition: background .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease);
}
.btn--primary { background: var(--ink); color: var(--bg); }
.btn--primary:hover { background: var(--accent); border-color: var(--accent); }
.btn--ghost { border-color: var(--line-2); }
.btn--ghost:hover { border-color: var(--ink); }

/* =========================================================
   Annotated cell figure — on graph paper
   ========================================================= */
.cell-figure {
  margin: 0;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
}
.cell-stage {
  position: relative;
  max-width: 1150px; margin-inline: auto;
  aspect-ratio: 1723 / 1400;
  padding: 0;
}
.cell-img {
  position: absolute;
  left: 16.25%; top: 18.86%;
  width: 67.5%; height: 62.3%;
  object-fit: cover;
  border: 1px solid var(--line-2);
}
.cell-anno { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }

.cell-anno .lead {
  fill: none; stroke: var(--ink); stroke-width: 1.6;
  opacity: 0.5;
  stroke-dasharray: var(--len, 600); stroke-dashoffset: var(--len, 600);
  transition: stroke-dashoffset 1s var(--ease);
}
.cell-anno .node {
  fill: none; stroke: var(--accent); stroke-width: 3;
  opacity: 0; transition: opacity .5s var(--ease);
}
.cell-anno .lbl {
  font-family: var(--mono); font-size: 23px; letter-spacing: 0.1em;
  fill: var(--ink); opacity: 0; transition: opacity .6s var(--ease) .2s;
}
.cell-anno .lbl--sub { fill: var(--ink-3); font-size: 20px; }

.cell-figure.in .lead { stroke-dashoffset: 0; }
.cell-figure.in .node { opacity: 1; }
.cell-figure.in .lbl { opacity: 1; }
.cell-figure.in .anno[data-i="2"] .lead,
.cell-figure.in .anno[data-i="2"] .node { transition-delay: .12s; }
.cell-figure.in .anno[data-i="3"] .lead,
.cell-figure.in .anno[data-i="3"] .node { transition-delay: .24s; }
.cell-figure.in .anno[data-i="4"] .lead,
.cell-figure.in .anno[data-i="4"] .node { transition-delay: .36s; }

.cell-cap {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 14px var(--pad);
  border-top: 1px solid var(--line);
  background: var(--bg);
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-2);
}
.cell-cap b { font-weight: 500; color: var(--accent); margin-right: 6px; }
.cell-cap-specs { color: var(--ink-2); display: inline-flex; align-items: center; flex-wrap: wrap; }
.cell-cap-specs .status-dot { margin-left: 2px; }

@media (max-width: 760px) {
  .cell-stage { aspect-ratio: auto; padding: 28px 0; }
  .cell-anno { display: none; }
  .cell-img {
    position: static; width: min(92%, 520px); height: auto;
    margin-inline: auto;
  }
  .cell-cap { flex-direction: column; align-items: flex-start; gap: 4px; }
}

/* =========================================================
   Sections — document style
   ========================================================= */
.sec { border-top: 1px solid var(--line); }

.sec-bar {
  display: flex; align-items: center; gap: 18px;
  padding: 13px var(--pad);
  border-bottom: 1px solid var(--line);
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
}
.sec-num { color: var(--accent); }
.sec-name { color: var(--ink); font-weight: 500; }
.sec-meta { margin-left: auto; color: var(--ink-3); }
@media (max-width: 560px) { .sec-meta { display: none; } }

.sec-body { padding: clamp(40px, 5.5vw, 80px) var(--pad) clamp(56px, 7vw, 104px); }

.sec-head { max-width: 780px; margin-bottom: clamp(36px, 5vw, 60px); }
.sec-head:last-child { margin-bottom: 0; }
.sec-title {
  font-size: clamp(28px, 4vw, 50px); font-weight: 600; letter-spacing: -0.035em;
  line-height: 1.02; margin: 0; max-width: 20ch;
}
.sec-lede {
  margin: 22px 0 0; max-width: 62ch; color: var(--ink-2);
  font-size: clamp(15.5px, 1.4vw, 17.5px); line-height: 1.62;
}

/* =========================================================
   Example / demo
   ========================================================= */
.demo-grid {
  display: grid; grid-template-columns: 1fr; gap: clamp(32px, 5vw, 64px);
}
.demo { margin: 0; }
.demo-frame {
  position: relative; aspect-ratio: 16 / 9;
  overflow: hidden; background: var(--bg-2);
  border: 1px solid var(--line-2);
  cursor: default;
}
.demo.wants-click .demo-frame { cursor: pointer; }
.demo-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: #000; visibility: hidden; }
/* a slot with footage shows its poster/video; only empty slots keep the placeholder */
.demo.is-ready .demo-video { visibility: visible; }
.demo.is-ready .demo-empty,
.demo.is-ready .demo-tag { display: none; }

/* play affordance — only surfaces if autoplay is blocked or reduced-motion is on */
.demo-play {
  position: absolute; inset: 0; z-index: 3; margin: 0; padding: 0;
  display: none; align-items: center; justify-content: center;
  background: transparent; border: 0; cursor: pointer;
}
.demo.wants-click.is-ready:not(.is-playing) .demo-play { display: flex; }
.demo-play span {
  width: 64px; height: 64px; display: grid; place-items: center;
  border: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--bg) 50%, transparent);
  transition: border-color .2s var(--ease);
}
.demo-frame:hover .demo-play span { border-color: var(--accent); }
.demo-play span::before {
  content: ""; width: 0; height: 0; margin-left: 4px;
  border-style: solid; border-width: 9px 0 9px 15px;
  border-color: transparent transparent transparent var(--ink);
}
.demo-empty {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
  color: var(--ink-3);
}
.demo-empty p { margin: 0; font-size: 11px; letter-spacing: 0.22em; }
.demo-cross {
  width: 28px; height: 28px;
  background:
    linear-gradient(var(--line-2), var(--line-2)) center / 28px 1px no-repeat,
    linear-gradient(var(--line-2), var(--line-2)) center / 1px 28px no-repeat;
  transition: transform .25s var(--ease);
}
.demo-frame:hover .demo-cross { transform: rotate(90deg); }
.demo-tag {
  position: absolute; top: 12px; left: 14px; z-index: 3;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 10px; letter-spacing: 0.22em; color: var(--ink-2);
}
.demo-tag::before {
  content: ""; width: 7px; height: 7px;
  background: var(--rec);
  animation: blink 2s var(--ease) infinite;
}
.demo-fig {
  position: absolute; top: 12px; right: 14px; z-index: 3;
  font-size: 10px; letter-spacing: 0.18em; color: var(--ink-3);
}
.demo.is-playing .demo-empty,
.demo.is-playing .demo-tag,
.demo.is-playing .demo-fig { display: none; }

.demo figcaption {
  margin-top: 13px; color: var(--ink-2);
  font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase;
  display: flex; gap: 12px; align-items: baseline;
}
.demo figcaption b { font-weight: 500; color: var(--accent); }

/* =========================================================
   Workflows — giant words
   ========================================================= */
.wf-list { list-style: none; margin: 0; padding: 0; }
.wf {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: clamp(16px, 3vw, 48px);
  padding: clamp(22px, 3.4vw, 44px) var(--pad);
  border-top: 1px solid var(--line);
}
.wf:first-child { border-top: none; }
.wf-word {
  font-size: clamp(30px, 6.4vw, 84px);
  font-weight: 600; letter-spacing: -0.035em; line-height: 1;
  text-transform: uppercase;
  color: var(--ink);
  transition: color .18s var(--ease), transform .25s var(--ease);
}
.wf:hover .wf-word { color: var(--accent); transform: translateX(10px); }
.wf-ex {
  font-size: 10px; letter-spacing: 0.16em; color: var(--ink-3);
  text-align: right; flex: none; max-width: 38ch;
  transition: color .18s var(--ease);
}
.wf:hover .wf-ex { color: var(--ink); }

/* assembly-first hierarchy */
.wf-tag {
  display: inline-block;
  font-family: var(--mono); font-weight: 500;
  font-size: clamp(9px, 1.1vw, 12px);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--accent);
  padding: 4px 9px;
  margin-left: clamp(12px, 1.8vw, 26px);
  vertical-align: clamp(10px, 2.2vw, 34px);
  white-space: nowrap;
}
.wf-divider {
  padding: clamp(20px, 3vw, 36px) var(--pad) 4px;
  border-top: 1px solid var(--line);
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-3);
}
.wf-divider + .wf { border-top: none; }
.wf--also .wf-word { font-size: clamp(24px, 4.4vw, 56px); }

@media (max-width: 720px) {
  .wf { flex-direction: column; align-items: flex-start; gap: 10px; }
  .wf-ex { text-align: left; }
  .wf:hover .wf-word { transform: none; }
}

/* =========================================================
   The system — four lines
   ========================================================= */
.sys-list {
  list-style: none; margin: 0; padding: 0;
  max-width: 720px;
}
.sys-list li {
  display: flex; align-items: baseline; gap: clamp(18px, 2.4vw, 32px);
  padding: clamp(16px, 2vw, 22px) 0;
  border-top: 1px solid var(--line);
}
.sys-list li:first-child { border-top: none; padding-top: 0; }
.sys-num { font-size: 11px; letter-spacing: 0.16em; color: var(--accent); flex: none; }
.sys-list p {
  margin: 0; color: var(--ink-2);
  font-size: clamp(17px, 1.9vw, 22px); line-height: 1.45;
}
.sys-list strong { color: var(--ink); font-weight: 600; }

/* =========================================================
   Contact
   ========================================================= */
.contact-email {
  display: inline-block;
  margin-top: clamp(28px, 4vw, 44px);
  font-size: clamp(22px, 4.6vw, 60px);
  letter-spacing: 0;
  color: var(--ink);
  border-bottom: 2px solid var(--ink);
  padding-bottom: 6px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
  overflow-wrap: anywhere;
}
.contact-email:hover { color: var(--accent); border-color: var(--accent); }

.contact-fit { margin-top: clamp(32px, 4.5vw, 52px); display: grid; gap: 12px; }
.contact-fit p {
  margin: 0; font-size: 10.5px; letter-spacing: 0.16em; color: var(--ink-3);
}
.contact-fit b {
  display: inline-block; min-width: 9ch; margin-right: 16px;
  font-weight: 500; color: var(--ink);
}

.contact-about {
  margin: clamp(40px, 6vw, 64px) 0 0;
  font-size: 15px; color: var(--ink-2);
  display: flex; align-items: baseline; gap: 24px; flex-wrap: wrap;
}
.contact-links { display: inline-flex; gap: 22px; }
.contact-links a {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-2); border-bottom: 1px solid var(--line-2); padding-bottom: 2px;
  transition: color .15s var(--ease), border-color .15s var(--ease);
}
.contact-links a:hover { color: var(--accent); border-color: var(--accent); }

/* =========================================================
   Footer — engineering title block
   ========================================================= */
.site-footer { border-top: 1px solid var(--line-2); }

.tblock {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.tcell {
  display: flex; flex-direction: column; gap: 8px; justify-content: center;
  padding: 22px var(--pad);
  border-left: 1px solid var(--line);
  min-height: 86px;
}
.tcell:nth-child(4n+1) { border-left: none; }
.tcell:nth-child(n+5) { border-top: 1px solid var(--line); }

.tcell--brand {
  flex-direction: row; align-items: center; gap: 12px;
}
.tcell--brand .brand-mark { width: 24px; height: 24px; color: var(--ink); }
.tcell--brand .brand-word {
  font-family: var(--mono); font-weight: 500; font-size: 15px; letter-spacing: 0.18em;
}

.tkey {
  font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3);
}
.tval { font-size: 13.5px; color: var(--ink); line-height: 1.45; display: flex; align-items: center; flex-wrap: wrap; }
.tval.mono { font-size: 11.5px; letter-spacing: 0.1em; }
.tval a { border-bottom: 1px solid var(--line-2); padding-bottom: 2px; transition: .15s var(--ease); }
.tval a:hover { color: var(--accent); border-color: var(--accent); }
.tval--links { gap: 18px; }
.tval--links:not(:has(a))::before { content: "—"; color: var(--ink-3); }

@media (max-width: 880px) {
  .tblock { grid-template-columns: 1fr 1fr; }
  .tcell:nth-child(4n+1) { border-left: 1px solid var(--line); }
  .tcell:nth-child(2n+1) { border-left: none; }
  .tcell:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 540px) {
  .tblock { grid-template-columns: 1fr; }
  .tcell { border-left: none !important; min-height: 0; }
  .tcell:nth-child(n+2) { border-top: 1px solid var(--line); }
}

/* =========================================================
   Legal pages (imprint.html / privacy.html)
   ========================================================= */
.hdr-back {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 10px;
  padding-inline: clamp(16px, 2vw, 28px);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-2); border-left: 1px solid var(--line);
  transition: color .15s var(--ease), background .15s var(--ease);
}
.hdr-back:hover { color: var(--ink); background: var(--bg-2); }

.legal-body { padding: clamp(40px, 5.5vw, 72px) var(--pad) clamp(64px, 8vw, 110px); }
.legal-title {
  font-size: clamp(32px, 4.6vw, 56px); font-weight: 600; letter-spacing: -0.035em;
  line-height: 1.02; margin: 0 0 14px;
}
.legal-sub { margin: 0 0 clamp(36px, 5vw, 56px); color: var(--ink-2); font-size: 16px; max-width: 64ch; }

.legal { max-width: 760px; }
.legal h2 {
  font-size: clamp(19px, 2vw, 24px); font-weight: 600; letter-spacing: -0.02em;
  margin: clamp(40px, 5vw, 56px) 0 14px;
  padding-top: clamp(28px, 3.5vw, 36px);
  border-top: 1px solid var(--line);
}
.legal h2:first-child { margin-top: 0; }
.legal h2 .mono {
  display: block; font-size: 10px; font-weight: 400; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 10px;
}
.legal h3 { font-size: 16px; font-weight: 600; margin: 26px 0 8px; letter-spacing: -0.01em; }
.legal p, .legal li { color: var(--ink-2); font-size: 15.5px; line-height: 1.65; }
.legal p { margin: 0 0 14px; }
.legal ul { margin: 0 0 14px; padding-left: 20px; }
.legal a { color: var(--ink); border-bottom: 1px solid var(--line-2); transition: .15s var(--ease); }
.legal a:hover { color: var(--accent); border-color: var(--accent); }
.legal strong { color: var(--ink); font-weight: 600; }

.legal-card {
  border: 1px solid var(--line-2); padding: 22px 24px; margin: 0 0 14px;
  font-size: 15.5px; line-height: 1.7; color: var(--ink);
}
.legal-card .mono {
  display: block; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 10px;
}

.lang-divider {
  display: flex; align-items: center; gap: 18px;
  margin: clamp(56px, 7vw, 80px) 0 clamp(36px, 5vw, 48px);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3);
}
.lang-divider::before, .lang-divider::after {
  content: ""; height: 1px; background: var(--line-2); flex: 1;
}

.legal-foot {
  border-top: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding: 20px var(--pad);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
}
.legal-foot a { color: var(--ink-2); border-bottom: 1px solid var(--line-2); padding-bottom: 2px; }
.legal-foot a:hover { color: var(--accent); border-color: var(--accent); }

/* =========================================================
   Live console strip (bottom)
   ========================================================= */
body { padding-bottom: 37px; }

.console {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: var(--maxw);
  z-index: 60;
  display: flex; align-items: center; gap: clamp(14px, 2vw, 28px);
  height: 36px; padding-inline: var(--pad);
  background: var(--bg);
  border-top: 1px solid var(--line-2);
  border-inline: 1px solid var(--line);
  font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-3);
}
.console b { font-weight: 400; color: var(--ink); }
.console-spacer { flex: 1; }
.console-item { white-space: nowrap; }
.console-item--brand { color: var(--ink-2); }

.console-progress {
  position: absolute; top: -1px; left: 0; right: 0; height: 2px;
  pointer-events: none;
}
.console-progress span {
  display: block; height: 100%; width: 0%;
  background: var(--accent);
}

@media (max-width: 880px) {
  .console-item--xy, .console-item--brand { display: none; }
}
@media (max-width: 720px) { .console { border-inline: none; } }

/* =========================================================
   Bracket hover — [ label ]
   ========================================================= */
.btn::before, .hdr-cta::before { content: "["; }
.btn::after, .hdr-cta::after { content: "]"; }
.btn::before, .btn::after,
.hdr-cta::before, .hdr-cta::after {
  font-family: var(--mono);
  display: inline-block; width: 0.55em;
  opacity: 0;
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}
.btn::before, .hdr-cta::before { transform: translateX(5px); }
.btn::after, .hdr-cta::after { transform: translateX(-5px); }
.btn:hover::before, .btn:hover::after,
.hdr-cta:hover::before, .hdr-cta:hover::after {
  opacity: 1; transform: translateX(0);
}

/* =========================================================
   Demo standby sweep
   ========================================================= */
.demo-empty::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: color-mix(in srgb, var(--accent) 38%, transparent);
  animation: sweep 5.5s linear infinite;
}
@keyframes sweep {
  0% { top: 0; opacity: 0; }
  6% { opacity: 1; }
  94% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* =========================================================
   Annotation idle pulse
   ========================================================= */
.cell-figure.in .node { animation: nodepulse 5.2s var(--ease) infinite; }
.cell-figure.in .anno[data-i="1"] .node { animation-delay: 2.4s; }
.cell-figure.in .anno[data-i="2"] .node { animation-delay: 3.4s; }
.cell-figure.in .anno[data-i="3"] .node { animation-delay: 4.4s; }
.cell-figure.in .anno[data-i="4"] .node { animation-delay: 5.4s; }
@keyframes nodepulse {
  0%, 18%, 100% { opacity: 1; }
  9% { opacity: 0.25; }
}

@media (prefers-reduced-motion: reduce) {
  .demo-empty::after { animation: none; display: none; }
  .cell-figure.in .node { animation: none; }
  .btn::before, .btn::after,
  .hdr-cta::before, .hdr-cta::after { transition: none; }
}

/* =========================================================
   Static mode — used by ?static=1 (print / screenshot)
   ========================================================= */
.fx-off .cell-anno .lead { stroke-dashoffset: 0 !important; transition: none !important; }
.fx-off .cell-anno .node,
.fx-off .cell-anno .lbl { opacity: 1 !important; transition: none !important; animation: none !important; }
.fx-off .status-dot, .fx-off .demo-tag::before { animation: none !important; }
.fx-off .demo-empty::after { animation: none !important; display: none; }