/* bk933 v2 — denser signal layout (not shared with prior draft) */
:root {
  --bg: #f3f5f8;
  --bg-2: #e8ecf2;
  --paper: #ffffff;
  --ink: #07080b;
  --ink-2: #1a1d24;
  --mute: #5c6573;
  --line: #d5dbe6;
  --acid: #c8f000;
  --acid-ink: #121500;
  --volt: #2b5cff;
  --volt-2: #1a3fd0;
  --danger: #ff3b1f;
  --panel: #0c0e13;
  --panel-2: #151922;
  --ok: #12b886;
  --max: 1240px;
  --header: 92px;
  --display: "Bricolage Grotesque", "Arial Black", sans-serif;
  --body: "Onest", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background:
    linear-gradient(90deg, transparent 79px, rgba(213, 219, 230, 0.45) 79px, rgba(213, 219, 230, 0.45) 80px, transparent 80px),
    radial-gradient(900px 420px at 0% 0%, rgba(200, 240, 0, 0.14), transparent 55%),
    radial-gradient(700px 380px at 100% 8%, rgba(43, 92, 255, 0.12), transparent 50%),
    var(--bg);
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
strong { font-weight: 700; }

.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .6rem 1rem; z-index: 200;
}
.skip:focus { left: 1rem; top: 1rem; }

/* ===== chrome ===== */
.toprail {
  background: var(--panel);
  color: #cfd5e0;
  font-size: 0.8rem;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.toprail-inner {
  min-height: 34px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .6rem 1.2rem;
}
.toprail b { color: var(--acid); font-weight: 600; }
.toprail .sep { opacity: .35; margin: 0 .35rem; }

.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(243, 245, 248, 0.94);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.header-shell {
  position: relative;
  min-height: var(--header);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
}
.logo {
  display: inline-grid;
  grid-auto-flow: column;
  align-items: center;
  gap: .75rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.55rem;
  letter-spacing: -0.05em;
}
.logo img {
  width: 44px; height: 44px; border-radius: 10px;
  border: 2px solid var(--ink); object-fit: cover;
}
.logo em { font-style: normal; color: var(--volt); }

.menu-btn {
  display: none; width: 48px; height: 48px; border: 2px solid var(--ink); background: var(--paper); cursor: pointer;
}
.menu-btn span, .menu-btn span:before, .menu-btn span:after {
  display: block; width: 18px; height: 2px; background: var(--ink); margin: 0 auto; position: relative;
}
.menu-btn span:before, .menu-btn span:after { content: ""; position: absolute; left: 0; }
.menu-btn span:before { top: -6px; }
.menu-btn span:after { top: 6px; }

.nav-cluster { display: flex; align-items: center; justify-content: center; gap: .15rem; flex-wrap: wrap; }
.nav-cluster a {
  padding: .55rem .75rem;
  font-weight: 650;
  font-size: .92rem;
  color: var(--mute);
  border: 1px solid transparent;
  transition: .18s ease;
}
.nav-cluster a:hover, .nav-cluster a.active {
  color: var(--ink);
  border-color: var(--line);
  background: var(--paper);
}

.header-actions { display: flex; gap: .55rem; align-items: center; }
.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.55rem 0.85rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  font-family: var(--display);
  font-weight: 750;
  letter-spacing: -0.02em;
  font-size: 0.9rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.lang-switch:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}
body.bn-page {
  font-family: "Noto Sans Bengali", var(--body);
}
body.bn-page h1,
body.bn-page h2,
body.bn-page h3,
body.bn-page .btn,
body.bn-page .logo,
body.bn-page .lang-switch,
body.bn-page .kicker,
body.bn-page .footer-brand,
body.bn-page .brand,
body.bn-page .chip,
body.bn-page .metric .value,
body.bn-page .home-pulse-track,
body.bn-page .ticker-track,
body.bn-page summary {
  font-family: "Noto Sans Bengali", var(--display);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  min-height: 48px; padding: .75rem 1.15rem;
  border: 2px solid var(--ink);
  font-family: var(--display);
  font-weight: 750;
  letter-spacing: -0.02em;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); }
.btn-acid { background: var(--acid); color: var(--acid-ink); }
.btn-volt { background: var(--volt); color: #fff; border-color: var(--volt-2); }
.btn-ghost { background: transparent; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; border-color: #c62812; }

.site-footer {
  margin-top: 4.5rem;
  background: var(--panel);
  color: #c5cad3;
  padding: 3.5rem 0 1.5rem;
}
.footer-maze {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 1.5rem;
}
.footer-maze .brand {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: #fff;
}
.footer-maze .brand i { font-style: normal; color: var(--acid); }
.footer-maze h3 {
  margin: 0 0 .8rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--acid);
}
.footer-maze a { display: block; padding: .28rem 0; color: #9aa1ad; }
.footer-maze a:hover { color: #fff; }
.footer-maze p { color: #8b93a2; max-width: 34ch; }
.footer-end {
  margin-top: 2.2rem; padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; flex-wrap: wrap; gap: .8rem 1.5rem; justify-content: space-between;
  font-size: .88rem; color: #7a8494;
}

/* ===== homepage composition ===== */
.hx {
  position: relative;
  padding: 1.6rem 0 2.2rem;
  overflow: clip;
}
.hx-bgtype {
  position: absolute;
  inset: auto -4% -8% -4%;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(5rem, 22vw, 16rem);
  line-height: .82;
  letter-spacing: -0.07em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(7, 8, 11, 0.08);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}
.hx-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.4rem 1.8rem;
  align-items: end;
}
.hx-meta {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin-bottom: 1rem;
}
.chip {
  display: inline-flex; align-items: center; gap: .4rem;
  min-height: 34px; padding: .3rem .7rem;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.chip-acid { background: var(--acid); }
.chip-volt { background: var(--volt); color: #fff; border-color: var(--volt-2); }
.hx h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.8rem, 7.2vw, 5.2rem);
  line-height: .92;
  letter-spacing: -0.055em;
}
.hx h1 .line2 {
  display: block;
  color: var(--volt);
}
.hx-lead {
  margin: 1.1rem 0 1.4rem;
  max-width: 46ch;
  font-size: 1.08rem;
  color: var(--mute);
}
.hx-actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-bottom: 1.2rem; }
.hx-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .8rem;
  padding: .9rem 1rem;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(43, 92, 255, 0.25);
  max-width: 520px;
}
.hx-note img { width: 64px; height: 64px; object-fit: cover; border: 1.5px solid var(--ink); }
.hx-note strong { display: block; font-family: var(--display); letter-spacing: -0.02em; }
.hx-note span { color: var(--mute); font-size: .92rem; }

.hx-stage {
  position: relative;
  display: grid;
  gap: .75rem;
}
.hx-frame {
  position: relative;
  background: var(--panel);
  border: 2px solid var(--ink);
  padding: 1rem;
  box-shadow: 10px 10px 0 var(--acid);
}
.hx-frame img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,.12);
}
.hx-frame figcaption {
  margin-top: .75rem;
  display: flex; justify-content: space-between; gap: .5rem;
  font-family: var(--mono);
  font-size: .72rem;
  color: #9aa1ad;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.hx-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.hx-mini {
  background: var(--paper);
  border: 2px solid var(--ink);
  padding: .75rem;
}
.hx-mini img { width: 100%; aspect-ratio: 1; object-fit: cover; margin-bottom: .55rem; border: 1px solid var(--line); }
.hx-mini b { display: block; font-family: var(--display); font-size: .95rem; letter-spacing: -0.02em; }
.hx-mini span { color: var(--mute); font-size: .82rem; }

/* ticker */
.ticker {
  border-block: 2px solid var(--ink);
  background: var(--acid);
  overflow: hidden;
  margin: 0;
}
.ticker-track {
  display: flex; gap: 2rem; width: max-content;
  padding: .85rem 0;
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.02em;
  animation: slide 26s linear infinite;
}
.ticker-track span::before { content: "▣"; margin-right: .7rem; }

/* section shells */
.block { padding: 3.6rem 0 0; }
.block-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1.4rem;
}
.kicker {
  margin: 0 0 .4rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--volt);
}
.block h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.85rem, 4vw, 2.85rem);
  letter-spacing: -0.04em;
  line-height: 1.02;
  max-width: 18ch;
}
.block-intro {
  margin: 0;
  max-width: 42ch;
  color: var(--mute);
  justify-self: end;
}

/* metric wall */
.metric-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .75rem;
}
.metric {
  background: var(--paper);
  border: 2px solid var(--ink);
  padding: 1rem 1rem 1.1rem;
  min-height: 128px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.metric:nth-child(3) { background: var(--volt); color: #fff; border-color: var(--volt-2); }
.metric:nth-child(6) { background: var(--acid); }
.metric:nth-child(8) { background: var(--panel); color: #e8ebf0; border-color: #000; }
.metric .label { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; opacity: .75; }
.metric .value {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  letter-spacing: -0.035em;
  line-height: 1;
}
.metric .hint { font-size: .86rem; opacity: .8; }

/* architecture map */
.arch {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1rem;
  background: var(--panel);
  color: #d7dbe3;
  border: 2px solid var(--ink);
  padding: 1.2rem;
}
.arch h3 {
  margin: 0 0 .7rem;
  font-family: var(--display);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  color: #fff;
}
.arch p { color: #9aa1ad; }
.arch-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .65rem;
}
.arch-links a {
  display: grid;
  gap: .25rem;
  padding: .9rem;
  border: 1px solid rgba(255,255,255,.12);
  background: var(--panel-2);
  transition: .18s ease;
}
.arch-links a:hover { border-color: var(--acid); transform: translateY(-2px); }
.arch-links strong {
  font-family: var(--display);
  color: var(--acid);
  letter-spacing: -0.02em;
}
.arch-links span { color: #9aa1ad; font-size: .88rem; }

/* dense editorial */
.editorial {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}
.ed-card {
  background: var(--paper);
  border: 2px solid var(--ink);
  padding: 1.15rem 1.15rem 1.3rem;
  display: grid;
  gap: .7rem;
  align-content: start;
}
.ed-card.feature {
  grid-row: span 2;
  background:
    linear-gradient(180deg, rgba(200,240,0,.18), transparent 36%),
    var(--paper);
}
.ed-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1.5px solid var(--ink);
}
.ed-card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}
.ed-card p { margin: 0; color: var(--mute); }
.ed-card ul { margin: 0; padding-left: 1.1rem; color: var(--mute); }
.ed-card li { margin: .35rem 0; }

/* runway strip */
.runway {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0;
  border: 2px solid var(--ink);
  overflow: hidden;
}
.runway-copy {
  padding: clamp(1.3rem, 3vw, 2.2rem);
  background: var(--paper);
}
.runway-copy h2 { max-width: 14ch; }
.runway-copy .block-intro { justify-self: start; margin: .8rem 0 1.1rem; max-width: 48ch; }
.checklist {
  list-style: none; margin: 0 0 1.2rem; padding: 0;
  display: grid; gap: .55rem;
}
.checklist li {
  position: relative;
  padding: .75rem .85rem .75rem 2.4rem;
  border: 1.5px solid var(--line);
  background: var(--bg);
}
.checklist li::before {
  content: "OK";
  position: absolute; left: .55rem; top: .75rem;
  font-family: var(--mono); font-size: .65rem; font-weight: 700;
  color: var(--volt);
}
.runway-visual {
  background: var(--panel);
  display: grid;
  grid-template-rows: 1.2fr 1fr;
}
.runway-visual img { width: 100%; height: 100%; object-fit: cover; }
.runway-caption {
  padding: 1rem 1.1rem;
  color: #c5cad3;
  border-top: 1px solid rgba(255,255,255,.08);
}
.runway-caption strong { color: var(--acid); font-family: var(--display); display: block; margin-bottom: .25rem; }

/* process spine */
.spine { display: grid; gap: 0; border: 2px solid var(--ink); }
.spine-row {
  display: grid;
  grid-template-columns: 110px 1fr 180px;
  gap: 1rem;
  padding: 1.1rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  align-items: center;
}
.spine-row:last-child { border-bottom: 0; }
.spine-row:nth-child(even) { background: #eef2f8; }
.spine-row:hover { background: #e7eefc; }
.spine-idx {
  font-family: var(--display);
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -0.05em;
  color: var(--volt);
}
.spine-row h3 { margin: 0 0 .25rem; font-family: var(--display); letter-spacing: -0.025em; }
.spine-row p { margin: 0; color: var(--mute); font-size: .95rem; }
.spine-tag {
  justify-self: end;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .45rem .6rem;
  border: 1.5px solid var(--ink);
  background: var(--acid);
}

/* mosaic */
.mosaic {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  grid-template-rows: auto auto;
  gap: .75rem;
}
.mosaic figure {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--panel);
  overflow: hidden;
  position: relative;
}
.mosaic figure:first-child { grid-row: 1 / 3; }
.mosaic img { width: 100%; height: 100%; object-fit: cover; min-height: 180px; }
.mosaic figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: .7rem .8rem;
  background: linear-gradient(transparent, rgba(0,0,0,.78));
  color: #fff;
  font-family: var(--display);
  font-size: .95rem;
  letter-spacing: -0.02em;
}

/* data desk */
.desk {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.desk-panel {
  border: 2px solid var(--ink);
  background: var(--paper);
  overflow: hidden;
}
.desk-panel header {
  display: flex; justify-content: space-between; align-items: center;
  padding: .85rem 1rem;
  background: var(--panel);
  color: #fff;
  font-family: var(--display);
  letter-spacing: -0.02em;
}
.desk-panel header span {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; color: var(--acid); text-transform: uppercase;
}
.desk table { width: 100%; border-collapse: collapse; }
.desk th, .desk td {
  text-align: left; padding: .8rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top;
}
.desk th {
  width: 38%;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--mute);
  background: #f7f9fc;
}
.desk tr:last-child th, .desk tr:last-child td { border-bottom: 0; }
.desk-copy { padding: 1rem 1.1rem 1.2rem; }
.desk-copy p { margin: 0 0 .8rem; color: var(--mute); }
.desk-copy p:last-child { margin-bottom: 0; }

/* longform columns */
.longform {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.2rem;
  align-items: start;
}
.longform-aside {
  position: sticky; top: calc(var(--header) + 18px);
  border: 2px solid var(--ink);
  background: var(--acid);
  padding: 1.1rem;
}
.longform-aside h3 {
  margin: 0 0 .7rem;
  font-family: var(--display);
  letter-spacing: -0.03em;
  font-size: 1.35rem;
}
.longform-aside ol { margin: 0; padding-left: 1.15rem; }
.longform-aside li { margin: .45rem 0; font-weight: 650; }
.prose h3 {
  margin: 1.4rem 0 .55rem;
  font-family: var(--display);
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}
.prose h3:first-child { margin-top: 0; }
.prose p { margin: 0 0 .9rem; color: var(--ink-2); }
.prose p.muted { color: var(--mute); }

/* faq dense */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.faq-grid details {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: .15rem 1rem 0;
}
.faq-grid summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 0;
  font-family: var(--display);
  font-weight: 750;
  letter-spacing: -0.02em;
}
.faq-grid summary::-webkit-details-marker { display: none; }
.faq-grid summary::after {
  content: "OPEN";
  float: right;
  font-family: var(--mono);
  font-size: .65rem;
  letter-spacing: .08em;
  color: var(--volt);
}
.faq-grid details[open] summary::after { content: "CLOSE"; }
.faq-grid p { margin: 0 0 1rem; color: var(--mute); }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== DOWNLOAD page (unique composition) ===== */
.dl-hero {
  padding: 2rem 0 1.5rem;
}
.dl-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.2rem;
  align-items: stretch;
}
.dl-ticket {
  border: 2px solid var(--ink);
  background: var(--paper);
  display: grid;
  grid-template-columns: 1fr 120px;
  box-shadow: 10px 10px 0 var(--volt);
  overflow: hidden;
}
.dl-ticket-main { padding: 1.4rem 1.4rem 1.5rem; }
.dl-ticket-main .kicker { margin-bottom: .55rem; }
.dl-ticket-main h1 {
  margin: 0 0 .8rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: -0.05em;
  line-height: .95;
}
.dl-ticket-main h1 span { color: var(--volt); display: block; }
.dl-ticket-main .lead { margin: 0 0 1.1rem; color: var(--mute); max-width: 42ch; }
.dl-ticket-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .55rem;
  margin-bottom: 1.1rem;
}
.dl-ticket-meta div {
  border: 1.5px solid var(--line);
  background: var(--bg);
  padding: .7rem .75rem;
}
.dl-ticket-meta b {
  display: block;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: .2rem;
}
.dl-ticket-stub {
  background: var(--panel);
  color: #cfd5e0;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  display: grid;
  place-items: center;
  gap: .6rem;
  padding: 1rem .55rem;
  border-left: 2px dashed rgba(255,255,255,.2);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.dl-ticket-stub img {
  width: 72px; height: 72px;
  object-fit: cover;
  border: 2px solid var(--acid);
  transform: rotate(180deg);
}
.dl-sidepanel {
  border: 2px solid var(--ink);
  background: var(--acid);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  box-shadow: 10px 10px 0 var(--ink);
}
.dl-sidepanel h2 {
  margin: 0 0 .45rem;
  font-family: var(--display);
  font-size: 1.55rem;
  letter-spacing: -0.03em;
  max-width: 12ch;
}
.dl-sidepanel p { margin: 0; color: var(--acid-ink); opacity: .85; }
.dl-side-actions { display: grid; gap: .55rem; }
.dl-side-actions .btn { width: 100%; }

.dl-pick {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.dl-pick article {
  position: relative;
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1.25rem;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.dl-pick article.featured {
  background: var(--panel);
  color: #e8ebf0;
  box-shadow: 8px 8px 0 var(--acid);
}
.dl-pick article.featured p { color: #9aa1ad; }
.dl-pick .badge {
  align-self: start;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .35rem .55rem;
  border: 1.5px solid currentColor;
}
.dl-pick h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.7rem;
  letter-spacing: -0.035em;
}
.dl-pick .size {
  font-family: var(--display);
  font-weight: 800;
  font-size: 2.4rem;
  letter-spacing: -0.05em;
  line-height: 1;
}
.dl-pick ul { margin: 0; padding-left: 1.1rem; flex: 1; }
.dl-pick li { margin: .35rem 0; }

.dl-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 2px solid var(--ink);
  background: var(--paper);
}
.dl-flow article {
  padding: 1.15rem 1rem 1.25rem;
  border-right: 1px solid var(--line);
  min-height: 210px;
}
.dl-flow article:last-child { border-right: 0; }
.dl-flow article:nth-child(odd) { background: #f7f9fc; }
.dl-flow .num {
  font-family: var(--display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--volt);
  letter-spacing: -0.05em;
  margin-bottom: .4rem;
}
.dl-flow h3 {
  margin: 0 0 .4rem;
  font-family: var(--display);
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.dl-flow p { margin: 0; color: var(--mute); font-size: .94rem; }

.dl-split-warn {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 1rem;
  align-items: start;
}
.dl-poster {
  border: 2px solid var(--ink);
  background: var(--panel);
  padding: 1rem;
}
.dl-poster img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,.12);
  margin-bottom: .8rem;
}
.dl-poster strong {
  display: block;
  color: var(--acid);
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  margin-bottom: .3rem;
}
.dl-poster p { margin: 0; color: #9aa1ad; }
.dl-reject {
  display: grid;
  gap: .65rem;
}
.dl-reject article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: .8rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: .9rem 1rem;
}
.dl-reject .mark {
  display: grid;
  place-items: center;
  background: #ffe4e0;
  border: 1.5px solid var(--danger);
  font-family: var(--display);
  font-weight: 800;
  color: var(--danger);
}
.dl-reject h3 {
  margin: 0 0 .25rem;
  font-family: var(--display);
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}
.dl-reject p { margin: 0; color: var(--mute); font-size: .94rem; }

.dl-carrier {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
}
.dl-carrier article {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1.05rem;
  min-height: 170px;
}
.dl-carrier article:nth-child(2) {
  background: var(--volt);
  color: #fff;
  border-color: var(--volt-2);
}
.dl-carrier article:nth-child(2) p { color: rgba(255,255,255,.85); }
.dl-carrier h3 {
  margin: 0 0 .45rem;
  font-family: var(--display);
  letter-spacing: -0.025em;
}
.dl-carrier p { margin: 0; color: var(--mute); }

.dl-prep {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  overflow: hidden;
}
.dl-prep-copy { padding: 1.3rem 1.3rem 1.5rem; }
.dl-prep-copy h2 { max-width: 16ch; }
.dl-prep-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}
.dl-prep-list li {
  padding: .8rem .9rem;
  border: 1.5px solid var(--line);
  background: var(--bg);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .7rem;
  align-items: start;
}
.dl-prep-list b {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--volt);
  letter-spacing: .06em;
}
.dl-prep-visual {
  background: var(--bg-2);
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: .65rem;
  padding: 1rem;
}
.dl-prep-visual img {
  width: 100%;
  height: 100%;
  min-height: 140px;
  object-fit: cover;
  border: 2px solid var(--ink);
}

.dl-after {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
}
.dl-after a {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1.1rem;
  display: grid;
  gap: .4rem;
  transition: .18s ease;
  min-height: 150px;
}
.dl-after a:hover {
  transform: translate(-3px, -3px);
  box-shadow: 5px 5px 0 var(--ink);
}
.dl-after strong {
  font-family: var(--display);
  font-size: 1.25rem;
  letter-spacing: -0.025em;
}
.dl-after span { color: var(--mute); font-size: .94rem; }
.dl-after em {
  font-style: normal;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--volt);
}

.dl-sheet {
  border: 2px solid var(--ink);
  overflow: auto;
  background: var(--paper);
}
.dl-sheet table { width: 100%; border-collapse: collapse; min-width: 640px; }
.dl-sheet th, .dl-sheet td {
  text-align: left;
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--line);
}
.dl-sheet th {
  width: 32%;
  background: #f3f6fb;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--mute);
}
.dl-sheet tr:last-child th, .dl-sheet tr:last-child td { border-bottom: 0; }

/* ===== INSTALL page (unique composition) ===== */
.in-hero {
  padding: 2rem 0 0.5rem;
}
.in-hero-board {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 0;
  border: 2px solid var(--ink);
  background: var(--paper);
  overflow: hidden;
  box-shadow: 12px 12px 0 #9ad0ff;
}
.in-hero-brand {
  background: var(--panel);
  color: #e8ebf0;
  padding: 1.5rem 1.3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.2rem;
}
.in-hero-brand img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border: 2px solid var(--acid);
}
.in-hero-brand h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  letter-spacing: -0.05em;
  line-height: 0.98;
}
.in-hero-brand h1 i {
  font-style: normal;
  color: var(--acid);
  display: block;
}
.in-hero-brand p { margin: 0.7rem 0 0; color: #9aa1ad; max-width: 30ch; }
.in-hero-copy {
  padding: 1.4rem 1.35rem 1.5rem;
  display: grid;
  gap: 1rem;
  align-content: center;
}
.in-hero-copy .lead { margin: 0; color: var(--mute); max-width: 48ch; }
.in-pillrow { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.in-pillrow span {
  border: 1.5px solid var(--ink);
  padding: 0.35rem 0.65rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--bg);
}

.in-ladder {
  display: grid;
  gap: 0.85rem;
}
.in-ladder article {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 1rem;
  align-items: center;
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1rem;
}
.in-ladder article:nth-child(even) {
  margin-left: clamp(0rem, 5vw, 3.5rem);
  background: #eef3ff;
}
.in-ladder article:nth-child(odd) {
  margin-right: clamp(0rem, 5vw, 3.5rem);
}
.in-ladder .step {
  width: 88px;
  height: 88px;
  display: grid;
  place-items: center;
  background: var(--volt);
  color: #fff;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: -0.04em;
  border: 2px solid var(--ink);
}
.in-ladder h3 {
  margin: 0 0 0.3rem;
  font-family: var(--display);
  letter-spacing: -0.025em;
}
.in-ladder p { margin: 0; color: var(--mute); }
.in-ladder .go {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 0.65rem;
  border: 1.5px solid var(--ink);
  background: var(--acid);
  white-space: nowrap;
}

.in-errors {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
.in-errors article {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1.1rem;
  display: grid;
  gap: 0.55rem;
  min-height: 180px;
}
.in-errors article:nth-child(3) {
  background: var(--panel);
  color: #e8ebf0;
}
.in-errors article:nth-child(3) p { color: #9aa1ad; }
.in-errors .code {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--danger);
}
.in-errors article:nth-child(3) .code { color: var(--acid); }
.in-errors h3 {
  margin: 0;
  font-family: var(--display);
  letter-spacing: -0.025em;
  font-size: 1.2rem;
}
.in-errors p { margin: 0; color: var(--mute); }

.in-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 2px solid var(--ink);
  overflow: hidden;
}
.in-dual > div { padding: 1.25rem; }
.in-dual .before {
  background: #fff4f1;
  border-right: 2px solid var(--ink);
}
.in-dual .after { background: #f1fff6; }
.in-dual h3 {
  margin: 0 0 0.8rem;
  font-family: var(--display);
  letter-spacing: -0.03em;
}
.in-dual ul { margin: 0; padding-left: 1.1rem; color: var(--mute); }
.in-dual li { margin: 0.4rem 0; }

.in-stage {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
}
.in-stage-rail {
  display: grid;
  gap: 0.65rem;
}
.in-stage-rail article {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 0.8rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 0.85rem;
}
.in-stage-rail img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border: 1.5px solid var(--ink);
}
.in-stage-rail h3 {
  margin: 0 0 0.25rem;
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.in-stage-rail p { margin: 0; color: var(--mute); font-size: 0.92rem; }
.in-phone {
  border: 2px solid var(--ink);
  background: var(--panel);
  padding: 1rem;
  display: grid;
  align-content: space-between;
  gap: 1rem;
  min-height: 100%;
}
.in-phone img {
  width: min(100%, 280px);
  margin-inline: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border: 2px solid var(--acid);
}
.in-phone p { margin: 0; color: #9aa1ad; text-align: center; }
.in-phone strong {
  display: block;
  color: #fff;
  font-family: var(--display);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
  text-align: center;
}

.in-matrix {
  border: 2px solid var(--ink);
  overflow: auto;
  background: var(--paper);
}
.in-matrix table { width: 100%; border-collapse: collapse; min-width: 680px; }
.in-matrix th, .in-matrix td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.in-matrix thead th {
  background: var(--panel);
  color: #fff;
  font-family: var(--display);
  letter-spacing: -0.02em;
}
.in-matrix tbody th {
  width: 28%;
  background: #f5f7fb;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--mute);
}
.in-matrix tr:last-child th, .in-matrix tr:last-child td { border-bottom: 0; }

.in-nextrow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.in-nextrow a {
  border: 2px solid var(--ink);
  padding: 1.1rem;
  background: var(--paper);
  min-height: 140px;
  display: grid;
  gap: 0.35rem;
  transition: 0.18s ease;
}
.in-nextrow a:hover {
  transform: translate(-3px, -3px);
  box-shadow: 5px 5px 0 var(--volt);
}
.in-nextrow em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--volt);
}
.in-nextrow strong {
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}
.in-nextrow span { color: var(--mute); font-size: 0.92rem; }

/* ===== UPDATE page (unique composition) ===== */
.up-hero {
  padding: 2rem 0 0.4rem;
}
.up-hero-shell {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}
.up-hero-main {
  border: 2px solid var(--ink);
  background:
    linear-gradient(135deg, rgba(43, 92, 255, 0.08), transparent 42%),
    var(--paper);
  padding: 1.45rem 1.35rem 1.5rem;
  box-shadow: 0 0 0 6px #e7eeff;
}
.up-hero-main h1 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  letter-spacing: -0.05em;
  line-height: 0.96;
}
.up-hero-main h1 em {
  font-style: normal;
  color: var(--volt);
}
.up-hero-main .lead {
  margin: 0 0 1.1rem;
  color: var(--mute);
  max-width: 46ch;
}
.up-version-chip {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 0.75rem;
  align-items: center;
  border: 2px solid var(--ink);
  background: var(--acid);
  padding: 0.65rem 0.9rem;
  margin-bottom: 1rem;
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.up-version-chip span {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.up-hero-aside {
  display: grid;
  gap: 0.75rem;
}
.up-stat {
  border: 2px solid var(--ink);
  background: var(--panel);
  color: #e8ebf0;
  padding: 1rem;
}
.up-stat:nth-child(2) { background: var(--volt); border-color: var(--volt-2); }
.up-stat:nth-child(3) { background: var(--paper); color: var(--ink); }
.up-stat b {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 0.35rem;
}
.up-stat strong {
  font-family: var(--display);
  font-size: 1.55rem;
  letter-spacing: -0.035em;
}

.up-timeline {
  position: relative;
  display: grid;
  gap: 0;
  border-left: 3px solid var(--ink);
  margin-left: 0.6rem;
  padding-left: 0;
}
.up-timeline article {
  position: relative;
  margin-left: 1.2rem;
  margin-bottom: 0.85rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1rem 1.1rem;
}
.up-timeline article::before {
  content: "";
  position: absolute;
  left: -1.55rem;
  top: 1.2rem;
  width: 12px;
  height: 12px;
  background: var(--acid);
  border: 2px solid var(--ink);
}
.up-timeline .when {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--volt);
  margin-bottom: 0.3rem;
}
.up-timeline h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  letter-spacing: -0.025em;
}
.up-timeline p { margin: 0; color: var(--mute); }
.up-timeline article.current {
  background: #111827;
  color: #e8ebf0;
  box-shadow: 6px 6px 0 var(--acid);
}
.up-timeline article.current p { color: #9aa1ad; }
.up-timeline article.current .when { color: var(--acid); }

.up-hash {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1rem;
}
.up-hash-panel {
  border: 2px solid var(--ink);
  background: #07080b;
  color: #d7fcae;
  padding: 1.15rem;
  font-family: var(--mono);
  box-shadow: 8px 8px 0 #2b5cff;
}
.up-hash-panel .label {
  color: #7dd3fc;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}
.up-hash-panel code {
  display: block;
  white-space: normal;
  word-break: break-all;
  font-size: 0.92rem;
  line-height: 1.55;
  color: #e7ff8a;
}
.up-hash-panel .hint {
  margin-top: 0.9rem;
  color: #94a3b8;
  font-size: 0.82rem;
}
.up-hash-copy h2 { max-width: 14ch; }
.up-hash-copy .checklist { margin-top: 0.9rem; }

.up-compare {
  overflow: auto;
  border: 2px solid var(--ink);
  background: var(--paper);
}
.up-compare table { width: 100%; border-collapse: collapse; min-width: 700px; }
.up-compare th, .up-compare td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
}
.up-compare thead th {
  background: var(--acid);
  font-family: var(--display);
  letter-spacing: -0.02em;
}
.up-compare tbody th {
  width: 26%;
  background: #f4f7fb;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
}
.up-compare tr:last-child th, .up-compare tr:last-child td { border-bottom: 0; }

.up-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}
.up-paths article {
  border: 2px solid var(--ink);
  padding: 1.2rem;
  min-height: 220px;
  display: grid;
  gap: 0.55rem;
  align-content: start;
}
.up-paths article:first-child {
  background: var(--volt);
  color: #fff;
  border-color: var(--volt-2);
}
.up-paths article:first-child p { color: rgba(255,255,255,0.88); }
.up-paths article:last-child {
  background: var(--paper);
  box-shadow: 7px 7px 0 var(--ink);
}
.up-paths h3 {
  margin: 0;
  font-family: var(--display);
  letter-spacing: -0.03em;
  font-size: 1.35rem;
}
.up-paths p { margin: 0; color: var(--mute); }

.up-film {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 2px solid var(--ink);
  background: var(--paper);
}
.up-film article {
  padding: 1rem 0.85rem 1.15rem;
  border-right: 1px solid var(--line);
  min-height: 190px;
}
.up-film article:last-child { border-right: 0; }
.up-film article:nth-child(odd) { background: #f7f9fc; }
.up-film .n {
  font-family: var(--display);
  font-weight: 800;
  color: var(--volt);
  font-size: 1.4rem;
  letter-spacing: -0.04em;
}
.up-film h3 {
  margin: 0.35rem 0;
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: -0.02em;
}
.up-film p { margin: 0; color: var(--mute); font-size: 0.9rem; }

.up-gallery {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 0.75rem;
}
.up-gallery figure {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--panel);
  overflow: hidden;
}
.up-gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
.up-gallery figcaption {
  padding: 0.7rem 0.8rem;
  color: #c5cad3;
  font-family: var(--display);
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}
.up-gallery figure:first-child {
  grid-row: span 1;
}

.up-next {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.up-next a {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1.05rem;
  min-height: 140px;
  display: grid;
  gap: 0.35rem;
  transition: 0.18s ease;
}
.up-next a:hover {
  transform: translate(-3px, -3px);
  box-shadow: 5px 5px 0 var(--acid);
}
.up-next em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--volt);
}
.up-next strong {
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}
.up-next span { color: var(--mute); font-size: 0.92rem; }

/* ===== LOGIN page (unique composition) ===== */
.lo-hero {
  padding: 2rem 0 0.5rem;
}
.lo-gate {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 0;
  border: 2px solid var(--ink);
  overflow: hidden;
  background: var(--paper);
  box-shadow: 10px 10px 0 #ffd0c8;
}
.lo-mock {
  background: var(--panel);
  color: #e8ebf0;
  padding: 1.35rem 1.2rem 1.45rem;
}
.lo-mock .brand-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}
.lo-mock img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border: 2px solid var(--acid);
}
.lo-mock h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  letter-spacing: -0.045em;
  line-height: 1;
}
.lo-mock .sub {
  margin: 0.35rem 0 0;
  color: #9aa1ad;
  font-size: 0.9rem;
}
.lo-field {
  margin-bottom: 0.75rem;
}
.lo-field label {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7dd3fc;
  margin-bottom: 0.35rem;
}
.lo-field .box {
  border: 1.5px solid rgba(255,255,255,0.18);
  background: #151922;
  padding: 0.85rem 0.9rem;
  color: #cbd5e1;
  font-family: var(--mono);
  font-size: 0.92rem;
}
.lo-mock .note {
  margin: 0.9rem 0 0;
  color: #94a3b8;
  font-size: 0.86rem;
}
.lo-copy {
  padding: 1.4rem 1.35rem 1.5rem;
  display: grid;
  gap: 0.9rem;
  align-content: center;
}
.lo-copy .lead { margin: 0; color: var(--mute); max-width: 46ch; }

.lo-keys {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.65rem;
}
.lo-keys article {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 0.95rem 0.75rem;
  text-align: center;
  min-height: 120px;
}
.lo-keys article:nth-child(odd) { background: #eef6ff; }
.lo-keys strong {
  display: block;
  font-family: var(--display);
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  margin-bottom: 0.25rem;
}
.lo-keys span { color: var(--mute); font-size: 0.86rem; }

.lo-otp {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1rem;
  align-items: stretch;
}
.lo-otp-meter {
  border: 2px solid var(--ink);
  background: var(--acid);
  padding: 1.2rem;
  display: grid;
  gap: 0.8rem;
  align-content: center;
}
.lo-otp-meter h2 {
  margin: 0;
  font-family: var(--display);
  letter-spacing: -0.035em;
  font-size: 1.7rem;
  max-width: 12ch;
}
.lo-bars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.45rem;
}
.lo-bars i {
  display: block;
  height: 10px;
  background: var(--ink);
  opacity: 0.2;
}
.lo-bars i.on { opacity: 1; background: var(--volt); }
.lo-otp-meter p { margin: 0; color: var(--acid-ink); }
.lo-otp-tips {
  display: grid;
  gap: 0.65rem;
}
.lo-otp-tips article {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 0.9rem 1rem;
}
.lo-otp-tips h3 {
  margin: 0 0 0.3rem;
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.lo-otp-tips p { margin: 0; color: var(--mute); font-size: 0.94rem; }

.lo-stack {
  display: grid;
  gap: 0.7rem;
}
.lo-stack details {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 0.2rem 1rem 0;
}
.lo-stack summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 0;
  font-family: var(--display);
  font-weight: 750;
  letter-spacing: -0.02em;
}
.lo-stack summary::-webkit-details-marker { display: none; }
.lo-stack summary::after {
  content: "FIX";
  float: right;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--danger);
}
.lo-stack details[open] summary::after { content: "HIDE"; color: var(--volt); }
.lo-stack p { margin: 0 0 1rem; color: var(--mute); }

.lo-split {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}
.lo-split article {
  border: 2px solid var(--ink);
  padding: 1.1rem;
  background: var(--paper);
  min-height: 180px;
}
.lo-split article:nth-child(2) {
  background: var(--panel);
  color: #e8ebf0;
}
.lo-split article:nth-child(2) p { color: #9aa1ad; }
.lo-split h3 {
  margin: 0 0 0.45rem;
  font-family: var(--display);
  letter-spacing: -0.025em;
}
.lo-split p { margin: 0; color: var(--mute); }

.lo-safe {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  overflow: hidden;
}
.lo-safe figure {
  margin: 0;
  background: var(--panel);
  padding: 1rem;
}
.lo-safe img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 2px solid var(--acid);
}
.lo-safe-copy { padding: 1.25rem 1.25rem 1.4rem; }
.lo-safe-copy h2 { max-width: 14ch; }
.lo-safe-copy ul { margin: 0.8rem 0 0; padding-left: 1.1rem; color: var(--mute); }
.lo-safe-copy li { margin: 0.4rem 0; }

.lo-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 2px solid var(--ink);
  overflow: hidden;
}
.lo-duo article {
  padding: 1.25rem 1.2rem 1.4rem;
  background: var(--paper);
}
.lo-duo article:first-child {
  background: #fff7e8;
  border-right: 2px solid var(--ink);
}
.lo-duo article:last-child { background: #eefaf3; }
.lo-duo .tag {
  display: inline-block;
  margin-bottom: 0.55rem;
  padding: 0.28rem 0.55rem;
  border: 1.5px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--acid);
}
.lo-duo h3 {
  margin: 0 0 0.45rem;
  font-family: var(--display);
  letter-spacing: -0.03em;
  font-size: 1.35rem;
}
.lo-duo p { margin: 0 0 0.7rem; color: var(--mute); }
.lo-duo ul { margin: 0; padding-left: 1.1rem; color: var(--ink-2); }
.lo-duo li { margin: 0.35rem 0; }

.lo-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
}
.lo-scenes article {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1rem;
  align-items: start;
}
.lo-scenes article:nth-child(even) { background: #f4f7ff; }
.lo-scenes .slot {
  border: 2px solid var(--ink);
  background: var(--volt);
  color: #fff;
  min-height: 88px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 0.5rem;
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
  line-height: 1.15;
}
.lo-scenes h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  letter-spacing: -0.025em;
}
.lo-scenes p { margin: 0; color: var(--mute); }

.lo-next {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.lo-next a {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1.05rem;
  min-height: 140px;
  display: grid;
  gap: 0.35rem;
  transition: 0.18s ease;
}
.lo-next a:hover {
  transform: translate(-3px, -3px);
  box-shadow: 5px 5px 0 var(--volt);
}
.lo-next em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--volt);
}
.lo-next strong {
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}
.lo-next span { color: var(--mute); font-size: 0.92rem; }

/* ===== OFFICIAL page (unique composition) ===== */
.of-hero {
  padding: 2rem 0 0.5rem;
}
.of-banner {
  position: relative;
  border: 2px solid var(--ink);
  background: var(--panel);
  color: #e8ebf0;
  padding: 1.6rem 1.4rem 1.7rem;
  overflow: hidden;
  box-shadow: 12px 12px 0 var(--acid);
}
.of-banner::after {
  content: "OFFICIAL";
  position: absolute;
  right: -0.4rem;
  top: 1.1rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3rem, 10vw, 6rem);
  letter-spacing: -0.06em;
  color: rgba(200, 240, 0, 0.12);
  pointer-events: none;
}
.of-banner-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  align-items: center;
}
.of-banner img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border: 3px solid var(--acid);
}
.of-banner h1 {
  margin: 0 0 0.65rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  letter-spacing: -0.05em;
  line-height: 0.98;
}
.of-banner h1 span { color: var(--acid); }
.of-banner .lead {
  margin: 0 0 1rem;
  color: #9aa8bc;
  max-width: 48ch;
}

.of-checks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.of-checks article {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1.15rem;
  min-height: 200px;
  display: grid;
  gap: 0.5rem;
  align-content: start;
}
.of-checks article:nth-child(2) {
  background: var(--volt);
  color: #fff;
  border-color: var(--volt-2);
}
.of-checks article:nth-child(2) p { color: rgba(255,255,255,0.88); }
.of-checks .n {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
}
.of-checks h3 {
  margin: 0;
  font-family: var(--display);
  letter-spacing: -0.03em;
  font-size: 1.25rem;
}
.of-checks p { margin: 0; color: var(--mute); }

.of-fake {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.of-fake article {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0.85rem;
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1rem;
}
.of-fake .warn {
  display: grid;
  place-items: center;
  background: #ffe4e0;
  border: 2px solid var(--danger);
  font-family: var(--display);
  font-weight: 800;
  color: var(--danger);
  font-size: 1.4rem;
}
.of-fake h3 {
  margin: 0 0 0.3rem;
  font-family: var(--display);
  letter-spacing: -0.025em;
  font-size: 1.08rem;
}
.of-fake p { margin: 0; color: var(--mute); font-size: 0.94rem; }

.of-seal {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1rem;
}
.of-seal-card {
  border: 2px solid var(--ink);
  background: var(--acid);
  padding: 1.25rem;
  box-shadow: 8px 8px 0 var(--ink);
}
.of-seal-card h2 {
  margin: 0 0 0.6rem;
  font-family: var(--display);
  letter-spacing: -0.035em;
  max-width: 14ch;
}
.of-seal-card dl {
  margin: 0;
  display: grid;
  gap: 0.55rem;
}
.of-seal-card dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
}
.of-seal-card dd {
  margin: 0.15rem 0 0;
  font-family: var(--display);
  font-weight: 750;
  letter-spacing: -0.02em;
}
.of-seal-side {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1.2rem;
}
.of-seal-side h3 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  letter-spacing: -0.03em;
}
.of-seal-side ol {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--mute);
}
.of-seal-side li { margin: 0.4rem 0; }

.of-domain {
  border: 2px solid var(--ink);
  overflow: hidden;
  background: var(--paper);
}
.of-domain table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
.of-domain th, .of-domain td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.of-domain thead th {
  background: var(--panel);
  color: #fff;
  font-family: var(--display);
  letter-spacing: -0.02em;
}
.of-domain tbody th {
  width: 30%;
  background: #f5f7fb;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
}
.of-domain tr:last-child th, .of-domain tr:last-child td { border-bottom: 0; }

.of-report {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
}
.of-report article {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1rem 0.9rem;
  min-height: 150px;
}
.of-report article:nth-child(odd) { background: #f7f9fc; }
.of-report strong {
  display: block;
  font-family: var(--display);
  letter-spacing: -0.025em;
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}
.of-report span { color: var(--mute); font-size: 0.9rem; }

.of-cta-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.of-cta-row a {
  border: 2px solid var(--ink);
  background: var(--paper);
  padding: 1.1rem;
  min-height: 140px;
  display: grid;
  gap: 0.35rem;
  transition: 0.18s ease;
}
.of-cta-row a:hover {
  transform: translate(-3px, -3px);
  box-shadow: 5px 5px 0 var(--danger);
}
.of-cta-row em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--volt);
}
.of-cta-row strong {
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}
.of-cta-row span { color: var(--mute); font-size: 0.92rem; }

.of-visuals {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 0.75rem;
}
.of-visuals figure {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--panel);
  overflow: hidden;
}
.of-visuals img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
.of-visuals figcaption {
  padding: 0.7rem 0.8rem;
  color: #c5cad3;
  font-family: var(--display);
  letter-spacing: -0.02em;
}

@keyframes slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (max-width: 1020px) {
  .header-shell {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: .5rem;
  }
  .logo { min-width: 0; order: 1; font-size: 1.25rem; }
  .header-actions {
    display: flex;
    justify-self: end;
    order: 2;
  }
  .menu-btn {
    display: inline-grid;
    place-items: center;
    justify-self: end;
    order: 3;
  }
  .nav-cluster { order: 4; }
  .header-actions .btn,
  .header-actions .lang-switch {
    min-height: 42px;
    padding: .45rem .7rem;
    font-size: .82rem;
    white-space: nowrap;
  }
  .nav-cluster {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 1px);
    z-index: 95;
    flex-direction: column;
    align-items: stretch;
    background: var(--paper);
    border: 2px solid var(--ink);
    padding: .6rem;
    box-shadow: 6px 6px 0 var(--volt);
  }
  .nav-cluster.open { display: flex; }
  .hx-grid, .metric-wall, .arch, .editorial, .runway, .desk, .longform, .faq-grid, .footer-maze, .mosaic, .hx-stack,
  .dl-hero-grid, .dl-pick, .dl-flow, .dl-split-warn, .dl-carrier, .dl-prep, .dl-after,
  .in-hero-board, .in-errors, .in-dual, .in-stage, .in-nextrow,
  .up-hero-shell, .up-hash, .up-paths, .up-film, .up-gallery, .up-next,
  .lo-gate, .lo-keys, .lo-otp, .lo-split, .lo-safe, .lo-next, .lo-duo,
  .of-checks, .of-fake, .of-seal, .of-report, .of-cta-row, .of-visuals {
    grid-template-columns: 1fr;
  }
  .of-banner-grid { grid-template-columns: 1fr; }
  .of-report { grid-template-columns: 1fr 1fr; }
  .of-fake { grid-template-columns: 1fr; }
  .lo-keys { grid-template-columns: 1fr 1fr; }
  .lo-duo article:first-child { border-right: 0; border-bottom: 2px solid var(--ink); }
  .lo-scenes article { grid-template-columns: 1fr; }
  .up-film article { border-right: 0; border-bottom: 1px solid var(--line); }
  .up-film article:last-child { border-bottom: 0; }
  .in-ladder article {
    grid-template-columns: 64px 1fr;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  .in-ladder .step { width: 64px; height: 64px; font-size: 1.2rem; }
  .in-ladder .go { display: none; }
  .in-dual .before { border-right: 0; border-bottom: 2px solid var(--ink); }
  .dl-ticket { grid-template-columns: 1fr; }
  .dl-ticket-stub {
    writing-mode: horizontal-tb;
    transform: none;
    border-left: 0;
    border-top: 2px dashed rgba(255,255,255,.2);
    padding: .85rem 1rem;
    grid-auto-flow: column;
    justify-content: start;
  }
  .dl-ticket-stub img { transform: none; }
  .dl-flow article { border-right: 0; border-bottom: 1px solid var(--line); }
  .dl-flow article:last-child { border-bottom: 0; }
  .metric-wall { grid-template-columns: 1fr 1fr; }
  .arch-links { grid-template-columns: 1fr; }
  .spine-row { grid-template-columns: 70px 1fr; }
  .spine-tag { display: none; }
  .ed-card.feature { grid-row: auto; }
  .mosaic figure:first-child { grid-row: auto; }
  .longform-aside { position: static; }
  .block-head { grid-template-columns: 1fr; }
  .block-intro { justify-self: start; }
}

@media (max-width: 640px) {
  .metric-wall { grid-template-columns: 1fr; }
  .hx-note { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track, .reveal { animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important; }
}