/* ============================================================
   NIGHT ENGINES — "VAULT" · one client, one server
   Round-5 final draft. Brand tokens locked from Nocturne —
   every value below derives from these. Do not add hues.
   ============================================================ */

:root{
  /* palette — cyanotype: pale line-work on deep blue-black paper */
  --paper:    #07111f;
  --paper-2:  #0b1a2c;
  --panel:    #0e2036;
  --hair:     #22385a;
  --ink:      #d9e6f2;
  --dim:      #8aa2bc;
  --faint:    #5f7994;
  --accent:   #54c6ff;
  --accent-ink:#06121e;
  --grid-min: rgba(126,171,226,.055);
  --grid-maj: rgba(126,171,226,.12);

  /* type */
  --f-disp:"Big Shoulders","Big Shoulders Display","Archivo Narrow",sans-serif;
  --f-body:"Albert Sans","Helvetica Neue",Arial,sans-serif;
  --f-mono:"Fragment Mono","SFMono-Regular",Menlo,monospace;

  /* motion */
  --e:cubic-bezier(.19,1,.22,1);
  --t1:160ms;
  --t2:300ms;
  --t3:600ms;
  --draw:1100ms;

  --r:3px;
  --wrap:1160px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:1.0625rem;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  position:relative;
  overflow-x:hidden;
}

/* blueprint grid — fixed layer, minor 24px + major 120px */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    repeating-linear-gradient(to right, var(--grid-maj) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(to bottom, var(--grid-maj) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(to right, var(--grid-min) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(to bottom, var(--grid-min) 0 1px, transparent 1px 24px);
}
/* paper grain */
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}

img{max-width:100%;display:block}
a{color:var(--ink)}
::selection{background:var(--accent);color:var(--accent-ink)}

h1,h2,h3{
  font-family:var(--f-disp);
  font-weight:700;
  line-height:.96;
  letter-spacing:.01em;
  text-transform:uppercase;
  margin:0 0 .5em;
}
p{margin:0 0 1em}
.mono{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}

.skip-link{
  position:absolute;left:8px;top:-48px;z-index:99;
  background:var(--accent);color:var(--accent-ink);
  padding:8px 16px;font-family:var(--f-mono);font-size:.8rem;text-decoration:none;
}
.skip-link:focus{top:8px}

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

/* ---------- CTA ---------- */
.cta{
  display:inline-block;
  background:var(--accent);color:var(--accent-ink);
  font-family:var(--f-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  padding:14px 26px;text-decoration:none;border-radius:var(--r);
  border:1px solid var(--accent);
  transition:background var(--t1) var(--e),color var(--t1) var(--e),transform var(--t1) var(--e);
}
.cta:hover{background:transparent;color:var(--accent)}
.cta:active{transform:translateY(1px)}
.cta--ghost{background:transparent;color:var(--accent)}
.cta--ghost:hover{background:var(--accent);color:var(--accent-ink)}
.cta--lg{padding:18px 32px;font-size:.85rem}

.linkline{
  font-family:var(--f-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--dim);text-decoration:none;border-bottom:1px solid var(--hair);
  padding-bottom:3px;transition:color var(--t1) var(--e),border-color var(--t1) var(--e);
}
.linkline:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- TOPBAR ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 clamp(16px,4vw,40px);height:64px;
  background:rgba(7,17,31,.92);
  border-bottom:1px solid var(--hair);
  backdrop-filter:blur(6px);
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-chip{width:34px;height:34px;border:1px solid var(--hair);border-radius:var(--r);
  display:grid;place-items:center;background:var(--paper-2)}
.brand-chip svg{width:24px;height:24px;display:block}
.brand-chip img{width:30px;height:30px;object-fit:contain;display:block;mix-blend-mode:screen}
.brand-word{font-family:var(--f-disp);font-weight:700;font-size:1.15rem;
  text-transform:uppercase;letter-spacing:.06em}
.brand-ref{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.14em;color:var(--faint);
  border-left:1px solid var(--hair);padding-left:12px}

.nav{display:flex;align-items:center}
.navlinks{display:flex;align-items:center;gap:clamp(10px,2vw,26px);list-style:none;margin:0;padding:0}
.navlinks a:not(.cta){
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--dim);text-decoration:none;position:relative;padding:6px 2px;
  transition:color var(--t1) var(--e);
}
.navlinks a:not(.cta)::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:center;
  transition:transform var(--t2) var(--e);
}
.navlinks a:not(.cta):hover{color:var(--ink)}
.navlinks a:not(.cta):hover::after{transform:scaleX(1)}
/* current-page marker — never on the CTA: accent-on-accent would blank it out */
.navlinks a[aria-current="page"]:not(.cta){color:var(--accent)}
.navlinks a[aria-current="page"]:not(.cta)::before{content:"▸ ";color:var(--accent);font-size:.6rem}
.navlinks a[aria-current="page"]:not(.cta)::after{transform:scaleX(1)}
.cta--nav{padding:10px 18px}

.nav-toggle{display:none;background:none;border:1px solid var(--hair);border-radius:var(--r);
  width:42px;height:38px;cursor:pointer;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;padding:0}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);
  transition:transform var(--t2) var(--e),opacity var(--t2) var(--e)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

@media (max-width:900px){
  .brand-ref{display:none}
  .nav-toggle{display:flex}
  .navlinks{
    position:fixed;top:64px;left:0;right:0;z-index:49;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper-2);border-bottom:1px solid var(--hair);
    max-height:0;overflow:hidden;transition:max-height var(--t2) var(--e);
  }
  .navlinks.open{max-height:480px}
  .navlinks li{border-top:1px solid var(--hair)}
  .navlinks a:not(.cta){display:block;padding:16px clamp(16px,4vw,40px)}
  .navlinks a:not(.cta)::after{display:none}
  .navlinks .cta--nav{display:block;margin:14px clamp(16px,4vw,40px) 18px;text-align:center}
}

/* ---------- LAYOUT PRIMITIVES ---------- */
main{display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(16px,4vw,40px)}

.plate{padding:clamp(56px,9vw,120px) 0;position:relative}
.plate--band{background:var(--paper-2);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.plate-grid{display:grid;grid-template-columns:150px 1fr;gap:clamp(24px,4vw,64px)}
.plate-grid>*,.hero-grid>*,.case-grid>*,.book-grid>*{min-width:0}
.plate-ref{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--faint);margin:0;padding-top:8px}
.plate-ref b{display:block;color:var(--accent);font-weight:400;margin-bottom:6px}
@media (max-width:760px){
  .plate-grid{grid-template-columns:1fr;gap:16px}
  .plate-ref{padding-top:0}
}

.sec-title{font-size:clamp(2rem,4.4vw,3.2rem);margin-bottom:.35em}
.page-title{font-size:clamp(2.8rem,7.5vw,5.4rem);letter-spacing:.005em;max-width:14em}
.lede{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--dim);max-width:34em}
.big-stmt{font-size:clamp(1.15rem,1.9vw,1.45rem);line-height:1.45;font-weight:500;max-width:30em}
.dim-p{color:var(--dim);max-width:38em}
.dim-p strong,.big-stmt strong{color:var(--ink)}

/* dimension line — measured rule with end ticks + mono label */
.dimline{display:flex;align-items:center;gap:14px;margin:0 0 22px;color:var(--accent)}
.dimline::before,.dimline::after{content:"";flex:1;height:1px;background:var(--accent);opacity:.65;
  box-shadow:2px -3px 0 -2px var(--accent),2px 3px 0 -2px var(--accent)}
.dimline span{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;white-space:nowrap}
@media (max-width:680px){.dimline span{white-space:normal;text-align:center}}

.rule{height:1px;background:var(--hair);border:0;margin:0 0 28px;transform-origin:left}

/* leader-line margin note */
.leader-note{
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;line-height:1.7;
  color:var(--dim);text-transform:uppercase;
  border-left:1px solid var(--accent);padding:2px 0 2px 16px;position:relative;max-width:30ch;
}
.leader-note::before{content:"";position:absolute;left:-4px;top:-4px;width:7px;height:7px;
  border-radius:50%;background:var(--accent)}
.leader-note .ln-tag{display:block;color:var(--accent);margin-bottom:8px}

/* spec panel with register marks in corners */
.spec-panel{
  background:var(--panel);border-radius:var(--r);padding:26px 28px;position:relative;
}
.spec-panel::before,.spec-panel::after{
  content:"";position:absolute;width:14px;height:14px;pointer-events:none;opacity:.9;
  background:
    linear-gradient(var(--accent),var(--accent)) center/1px 100% no-repeat,
    linear-gradient(var(--accent),var(--accent)) center/100% 1px no-repeat;
}
.spec-panel::before{top:-7px;left:-7px}
.spec-panel::after{bottom:-7px;right:-7px}
.spec-panel-h{color:var(--accent);margin:0 0 16px}

.spec-list{list-style:none;margin:0;padding:0}
.spec-list li{
  display:flex;gap:16px;align-items:baseline;padding:11px 0;border-top:1px solid var(--hair);
}
.spec-list li:first-child{border-top:0}
.spec-k{color:var(--accent);font-size:.68rem;flex:0 0 auto}
.spec-t{flex:1 1 auto;min-width:0}
.spec-list em{color:var(--accent);font-style:normal;font-weight:600}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 0;padding:0;list-style:none}
.chips li{
  font-family:var(--f-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--dim);border:1px solid var(--hair);border-radius:var(--r);
  padding:7px 12px;transition:color var(--t1) var(--e),border-color var(--t1) var(--e);
}
.chips li:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- VAULT GLYPH (subpage motif — the only ornament off-landing) ---------- */
.vault-glyph{display:block;width:64px;height:64px;margin:0 0 22px}
.vault-glyph .vg{fill:none;stroke:var(--ink);stroke-width:1.6;vector-effect:non-scaling-stroke}
.vault-glyph .vg.acc{stroke:var(--accent)}
.vault-glyph .vg.faint{stroke:var(--faint)}
/* self-draw handled by js-draw pipeline (same as schematics) */
.js-draw .vault-glyph .vg{transition:stroke-dashoffset var(--draw) var(--e);transition-delay:var(--d,0ms)}

/* ---------- INK SWEEP HEADINGS ----------
   Headings hide behind a right-side clip-path inset and wipe open
   left→right over 800ms, a 2px cyan scan edge riding the reveal.
   Only armed (.sweep-armed on <html>, added by JS) — no JS, no hiding. */
[data-sweep]{position:relative}
.sweep-armed [data-sweep]{
  clip-path:inset(-5% 102% -8% -2%);      /* negative margins: keep descenders/glow */
  transition:clip-path 800ms var(--e);
}
.sweep-armed [data-sweep].in{clip-path:inset(-5% -2% -8% -2%)}
.sweep-armed [data-sweep]::after{
  content:"";position:absolute;top:0;bottom:0;left:0;width:2px;pointer-events:none;
  background:var(--accent);box-shadow:0 0 14px var(--accent);opacity:1;
  transition:left 800ms var(--e),opacity 80ms linear 720ms; /* fade in the final ~10% */
}
.sweep-armed [data-sweep].in::after{left:100%;opacity:0}

/* ---------- REVEALS ---------- */
.js-anim .rv{opacity:0;transform:translateY(14px);
  transition:opacity var(--t3) var(--e),transform var(--t3) var(--e);
  transition-delay:var(--d,0ms)}
.js-anim .rv.in{opacity:1;transform:none}
.js-anim .rule.rv{transform:scaleX(0);opacity:1}
.js-anim .rule.rv.in{transform:scaleX(1)}

/* ============================================================
   LANDING — the scroll-driven vault scene
   ============================================================ */

/* the 3D scene sits fixed behind everything on the landing page */
#scene{position:fixed;inset:0;width:100vw;height:100vh;z-index:0;display:block;
  pointer-events:none}
body.no-webgl #scene{display:none}

/* static beauty shot — shown when WebGL is unavailable or reduced-motion.
   A CSS rendering of chapter 1: sealed monoliths receding into fog, one lit. */
.fallback{position:fixed;inset:0;z-index:0;display:none;overflow:hidden;pointer-events:none;
  background:
    radial-gradient(130% 90% at 30% 18%, rgba(84,198,255,.07) 0%, transparent 55%),
    linear-gradient(180deg, #0b1a2c 0%, var(--paper) 62%)}
body.no-webgl .fallback{display:block}
.fb-ground{position:absolute;left:-10%;right:-10%;bottom:0;height:38%;
  background:
    repeating-linear-gradient(to right, var(--grid-maj) 0 1px, transparent 1px 90px),
    repeating-linear-gradient(to bottom, var(--grid-maj) 0 1px, transparent 1px 42px),
    linear-gradient(180deg, rgba(14,32,54,.6), var(--paper));
  transform:perspective(560px) rotateX(58deg);transform-origin:50% 0}
.fb-monolith{position:absolute;bottom:30%;border-radius:2px;
  background:linear-gradient(180deg,#12233b 0%,#0a1728 70%,#081322 100%);
  border:1px solid rgba(34,56,90,.9)}
.fb-monolith.m1{left:12%;width:120px;height:44vh}
.fb-monolith.m2{left:34%;width:96px;height:38vh;opacity:.72}
.fb-monolith.m3{left:52%;width:76px;height:33vh;opacity:.5}
.fb-monolith.m4{left:66%;width:60px;height:28vh;opacity:.34}
.fb-monolith.m5{left:77%;width:46px;height:24vh;opacity:.2}
.fb-monolith.lit{border-color:rgba(84,198,255,.55);
  box-shadow:0 0 90px 6px rgba(84,198,255,.16), inset 0 0 40px rgba(84,198,255,.05)}
.fb-monolith.lit::after{content:"";position:absolute;left:50%;top:10%;width:2px;height:74%;
  transform:translateX(-50%);
  background:linear-gradient(180deg,transparent,var(--accent),transparent);
  box-shadow:0 0 18px 2px rgba(84,198,255,.55)}
.fb-fog{position:absolute;inset:auto 0 0 0;height:56%;
  background:linear-gradient(180deg,transparent,rgba(7,17,31,.92) 78%)}

/* chapter HUD — persistent stage indicator, right edge */
.hud-ch{position:fixed;right:clamp(10px,2vw,28px);top:50%;transform:translateY(-50%);
  z-index:40;display:none;flex-direction:column;gap:0;pointer-events:none;
  opacity:0;transition:opacity var(--t3) var(--e)}
.hud-ch.on{opacity:1}
@media (min-width:1024px){.hud-ch{display:flex}}
body.no-webgl .hud-ch{display:none}
.hud-ch ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.hud-ch li{
  font-family:var(--f-mono);font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--faint);display:flex;align-items:center;gap:10px;justify-content:flex-end;
  transition:color var(--t2) var(--e);
}
.hud-ch li::after{content:"";width:14px;height:1px;background:var(--faint);
  transition:background var(--t2) var(--e),width var(--t2) var(--e)}
.hud-ch li.on{color:var(--accent)}
.hud-ch li.on::after{background:var(--accent);width:26px}
.hud-ch .hud-cap{margin:16px 0 0;text-align:right;font-family:var(--f-mono);font-size:.56rem;
  letter-spacing:.2em;color:var(--faint);text-transform:uppercase}

/* hero — sits over the scene at progress 0, readable with zero JS */
.hero{position:relative;z-index:10;min-height:calc(100svh - 64px);
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(48px,7vw,96px) 0 clamp(96px,12vh,140px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);
  gap:clamp(28px,5vw,72px);align-items:end}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(3.2rem,10vw,7.2rem);font-weight:800;margin-bottom:24px}
.hero h1 .acc{color:var(--accent)}
.hero .lede{text-shadow:0 1px 14px rgba(7,17,31,.9)}
.hero-actions{display:flex;flex-wrap:wrap;gap:22px;align-items:center;margin:30px 0 26px}
.hero-note{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;line-height:1.8;
  text-transform:uppercase;color:var(--faint);max-width:52ch}
.hero-note b{color:var(--accent);font-weight:400}

/* drafting title block (hero aside) */
.titleblock{border:1px solid var(--hair);border-radius:var(--r);background:rgba(11,26,44,.82);
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase}
.tb-row{display:flex;justify-content:space-between;gap:12px;
  padding:11px 16px;border-top:1px solid var(--hair)}
.tb-row:first-child{border-top:0}
.tb-k{color:var(--faint)}
.tb-v{color:var(--ink);text-align:right}
.tb-v.live{color:var(--accent)}

.scroll-cue{position:absolute;left:clamp(16px,4vw,40px);bottom:26px;
  display:flex;align-items:center;gap:12px;
  font-family:var(--f-mono);font-size:.6rem;letter-spacing:.24em;color:var(--faint);
  text-transform:uppercase}
.scroll-cue i{width:1px;height:34px;background:linear-gradient(var(--accent),transparent);
  animation:cuedrop 2.2s var(--e) infinite}
@keyframes cuedrop{
  0%{transform:scaleY(.2);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  50.01%{transform-origin:bottom}
  100%{transform:scaleY(.2);transform-origin:bottom}}

/* the five chapters — tall sections, copy pinned while the scene plays */
.stage{position:relative;z-index:10}
.ch{min-height:165vh;position:relative}
.ch:last-child{min-height:180vh}
.ch-pin{position:sticky;top:max(84px,16vh)}
.ch-card{
  max-width:min(31rem,90vw);
  background:rgba(7,17,31,.82);
  border:1px solid var(--hair);border-radius:var(--r);
  padding:clamp(22px,3vw,34px) clamp(22px,3vw,36px);
  backdrop-filter:blur(4px);
  position:relative;
}
.ch-card::before,.ch-card::after{
  content:"";position:absolute;width:14px;height:14px;pointer-events:none;opacity:.9;
  background:
    linear-gradient(var(--accent),var(--accent)) center/1px 100% no-repeat,
    linear-gradient(var(--accent),var(--accent)) center/100% 1px no-repeat;
}
.ch-card::before{top:-7px;left:-7px}
.ch-card::after{bottom:-7px;right:-7px}
.ch--r .ch-card{margin-left:auto}
.ch-tag{color:var(--accent);margin:0 0 14px;display:flex;align-items:center;gap:12px}
.ch-tag::after{content:"";flex:1;height:1px;background:var(--hair)}
.ch-card h2{font-size:clamp(1.9rem,4vw,2.9rem);margin-bottom:.35em}
.ch-line{margin:0;color:var(--dim)}
.ch-line b{color:var(--ink);font-weight:600}
.ch-sub{margin:14px 0 0;font-family:var(--f-mono);font-size:.64rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--faint)}
.ch-sub b{color:var(--accent);font-weight:400}

/* content after the stage covers the (faded) canvas with solid paper */
.after{position:relative;z-index:10;background:var(--paper);
  border-top:1px solid var(--hair)}

/* one-breath recap */
.breath{font-size:clamp(1.3rem,2.6vw,2rem);line-height:1.4;font-weight:500;
  max-width:34em;margin:0}
.breath b{color:var(--accent);font-weight:600}

/* ---------- CAPABILITY ROWS (engine) ---------- */
.caprows{border-top:1px solid var(--hair);margin-top:8px}
.caprow{display:grid;grid-template-columns:90px minmax(0,.85fr) minmax(0,1.35fr);
  gap:clamp(14px,3vw,40px);padding:24px 0;border-bottom:1px solid var(--hair)}
.caprow .c-no{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;color:var(--accent)}
.caprow h3{font-size:1.35rem;margin:0}
.caprow p{margin:0;color:var(--dim);font-size:.95rem}
@media (max-width:760px){.caprow{grid-template-columns:1fr;gap:6px}}

/* ---------- PROCESS (method) ---------- */
.process{list-style:none;margin:0;padding:0;position:relative}
.process::before{content:"";position:absolute;left:29px;top:14px;bottom:14px;width:1px;
  background:var(--hair)}
.step{display:grid;grid-template-columns:60px minmax(0,1fr);gap:clamp(18px,3vw,40px);
  padding:26px 0;position:relative}
.step-no{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;color:var(--accent);
  width:60px;height:34px;display:grid;place-items:center;background:var(--paper);
  border:1px solid var(--hair);border-radius:var(--r);position:relative;z-index:1}
.plate--band .step-no{background:var(--paper-2)}
.step h3{font-size:1.45rem;margin:0 0 6px}
.step .free{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.16em;color:var(--accent-ink);
  background:var(--accent);border-radius:var(--r);padding:3px 8px;vertical-align:middle;margin-left:10px}
.step p{margin:0;color:var(--dim);max-width:46em}

/* ---------- COMPARE TABLE (systems) ---------- */
.table-scroll{overflow-x:auto}
.datatable{border-collapse:collapse;width:100%;min-width:560px;font-size:.95rem}
.datatable caption{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);text-align:left;padding-bottom:12px}
.datatable th,.datatable td{border:1px solid var(--hair);padding:12px 16px;text-align:left;
  vertical-align:top}
.datatable thead th{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--dim);font-weight:400;background:var(--panel)}
.datatable tbody th{font-weight:500;color:var(--dim);font-size:.85rem;white-space:nowrap}
.datatable td strong{color:var(--accent);font-weight:600}
.datatable td.win{background:rgba(84,198,255,.06)}

/* ---------- CASES (work) ---------- */
.case{padding:clamp(28px,4vw,44px) 0;border-top:1px solid var(--hair)}
.case:first-of-type{border-top:0;padding-top:0}
.case-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 24px;margin-bottom:18px}
.case-ref{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;color:var(--accent);margin:0}
.case-title{font-size:clamp(1.6rem,3vw,2.3rem);margin:0}
.case-title a{color:inherit;text-decoration:none;transition:color var(--t1) var(--e)}
.case-title a:hover{color:var(--accent)}
.org-logo{display:block;height:32px;width:auto;margin-bottom:14px;
  filter:brightness(0) invert(1);opacity:.85}
.award{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);border:1px solid var(--hair);border-radius:var(--r);padding:6px 10px}
.case-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:820px){.case-grid{grid-template-columns:1fr}}
.metricgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--hair);
  border:1px solid var(--hair);border-radius:var(--r);overflow:hidden;list-style:none;margin:0;padding:0}
.metricgrid li{background:var(--paper-2);padding:18px 16px}
.plate--band .metricgrid li{background:var(--panel)}
.metricgrid b{display:block;font-family:var(--f-disp);font-weight:700;text-transform:uppercase;
  font-size:clamp(1.4rem,2.6vw,2rem);color:var(--accent);line-height:1}
.metricgrid span{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--dim);display:block;margin-top:6px}
.footnote{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--faint);line-height:1.8}
.footnote b{color:var(--dim);font-weight:400}

/* ---------- LINK LIST (about) ---------- */
.linklist{list-style:none;margin:0;padding:0;font-family:var(--f-mono);font-size:.78rem;
  letter-spacing:.1em}
.linklist li{padding:14px 0;border-top:1px solid var(--hair);display:flex;
  flex-wrap:wrap;gap:6px 18px;align-items:baseline}
.linklist li:first-child{border-top:0}
.linklist a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--hair);
  transition:color var(--t1) var(--e),border-color var(--t1) var(--e)}
.linklist a:hover{color:var(--accent);border-color:var(--accent)}
.ll-note{color:var(--faint);font-size:.66rem;text-transform:uppercase}

/* ---------- BOOK ---------- */
.book-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:clamp(28px,5vw,72px);align-items:start}
@media (max-width:860px){.book-grid{grid-template-columns:1fr}}
.embed-frame{border:1px solid var(--hair);border-radius:var(--r);background:var(--panel);
  padding:32px 28px;display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.embed-slot{align-self:stretch;min-height:200px;border:1px dashed var(--hair);border-radius:var(--r);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  background:repeating-linear-gradient(135deg,transparent 0 12px,rgba(84,198,255,.03) 12px 24px)}
.embed-ref{color:var(--accent);margin:0}
.embed-fallback{color:var(--dim);margin:0}
.email-line{font-family:var(--f-mono);font-size:.85rem;letter-spacing:.06em;word-break:break-all}
.email-line a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;
  transition:border-color var(--t1) var(--e)}
.email-line a:hover{border-color:var(--accent)}

/* bookstrip — end-of-subpage CTA band */
.bookstrip{border-top:1px solid var(--hair);background:var(--paper-2);
  padding:clamp(48px,7vw,88px) 0}
.bookstrip-inner{display:flex;flex-wrap:wrap;align-items:center;gap:24px 48px;
  justify-content:space-between}
.bookstrip h2{font-size:clamp(1.9rem,4vw,3rem);margin:0;max-width:14em}
.bookstrip .bs-sub{color:var(--dim);margin:10px 0 0;max-width:36em}
.bookstrip-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}

/* ---------- FOOTER — title block ---------- */
.footer{border-top:1px solid var(--hair);padding:40px 0 48px;background:var(--paper);
  position:relative;z-index:10}
.foot-grid{display:grid;grid-template-columns:auto 1fr auto;gap:24px 48px;align-items:center}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr}}
.foot-brand{display:flex;align-items:center;gap:14px}
.foot-name{font-family:var(--f-disp);font-weight:700;text-transform:uppercase;
  font-size:1.1rem;margin:0}
.foot-tag{color:var(--faint);margin:4px 0 0;font-size:.66rem;letter-spacing:.12em}
.foot-meta{display:flex;flex-wrap:wrap;gap:10px 24px;font-family:var(--f-mono);
  font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.foot-meta a{color:var(--dim);text-decoration:none;transition:color var(--t1) var(--e)}
.foot-meta a:hover{color:var(--accent)}
.foot-plate{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.14em;
  color:var(--faint);text-transform:uppercase;text-align:right}
@media (max-width:820px){.foot-plate{text-align:left}}

/* ============================================================
   FINAL-SITE ADDITIONS — boot loader, offers, portrait, booking,
   the Brain signal path (ported from Relay) and the Engine
   exploded machine (ported from Assembly).
   ============================================================ */

/* ---------- BOOT LOADER (index) ----------
   Armed only by the inline head script (html.booting) — no JS,
   reduced-motion, or a repeat visit this session ⇒ never shown. */
html.booting{overflow:hidden}
.loader{position:fixed;inset:0;z-index:200;display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:24px;background:var(--paper);
  transition:opacity 600ms var(--e),visibility 0s linear 600ms}
.booting .loader{display:flex}
.loader.loader--done{opacity:0;visibility:hidden}
/* the ring spins itself closed, then the mark forms inside it */
.loader-mark{width:160px;height:160px;position:relative;display:grid;place-items:center}
.lm-ring{position:absolute;inset:0;width:100%;height:100%;
  animation:lmspin 1.1s cubic-bezier(.6,0,.2,1) forwards,
            lmringout 600ms var(--e) 1.1s forwards}
.lm-ring circle{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;
  stroke-dasharray:339.3;stroke-dashoffset:339.3;
  filter:drop-shadow(0 0 6px rgba(84,198,255,.75));
  animation:lmtie 1.1s cubic-bezier(.5,0,.2,1) forwards}
/* screen blend drops the artwork's navy plate; the radial mask hides its square edge */
.lm-logo{width:140px;height:140px;object-fit:contain;mix-blend-mode:screen;
  -webkit-mask-image:radial-gradient(circle,#000 58%,transparent 74%);
  mask-image:radial-gradient(circle,#000 58%,transparent 74%);
  opacity:0;transform:rotate(-170deg) scale(.55);
  animation:lmform 900ms cubic-bezier(.2,.9,.25,1) 750ms forwards}
.loader-word{color:var(--faint);letter-spacing:.34em;margin:0;opacity:0;
  animation:lmword 600ms var(--e) 1250ms forwards}
@keyframes lmtie{to{stroke-dashoffset:0}}
@keyframes lmspin{from{transform:rotate(-90deg)}to{transform:rotate(810deg)}}
@keyframes lmringout{to{opacity:0;transform:rotate(810deg) scale(1.14)}}
@keyframes lmform{60%{opacity:1}to{opacity:1;transform:none}}
@keyframes lmword{to{opacity:1}}

/* ---------- OFFERS — what we actually sell ---------- */
.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(22px,3.5vw,48px)}
@media (max-width:860px){.offers{grid-template-columns:1fr}}
.offer{border-top:1px solid var(--accent);padding-top:18px;
  display:flex;flex-direction:column;gap:12px}
.offer-no{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent)}
.offer h3{font-size:clamp(1.6rem,2.8vw,2.2rem);margin:0}
.offer p{margin:0;color:var(--dim);font-size:.95rem}
.offer .chips{margin-top:auto;padding-top:8px}

/* ---------- PORTRAIT (about) ---------- */
.portrait{margin:0;position:relative;max-width:400px;width:100%}
.portrait-frame{aspect-ratio:4/5;border:1px solid var(--hair);border-radius:var(--r);
  background:var(--panel);position:relative;overflow:hidden;display:grid;place-items:center}
.portrait-frame::before,.portrait-frame::after{
  content:"";position:absolute;width:14px;height:14px;pointer-events:none;opacity:.9;z-index:2;
  background:
    linear-gradient(var(--accent),var(--accent)) center/1px 100% no-repeat,
    linear-gradient(var(--accent),var(--accent)) center/100% 1px no-repeat}
.portrait-frame::before{top:7px;left:7px}
.portrait-frame::after{bottom:7px;right:7px}
.portrait-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.portrait-slot{display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center;
  padding:20px;color:var(--faint)}
.portrait figcaption{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--faint);margin-top:12px}
.portrait figcaption b{color:var(--accent);font-weight:400}

/* ---------- BOOKING PAGE ---------- */
.cal-frame{border:1px solid var(--hair);border-radius:var(--r);background:var(--panel);
  padding:14px;position:relative}
.cal-frame .calendly-inline-widget{min-width:0;height:680px}
.cal-note{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--faint);margin:14px 0 0}

/* ============================================================
   BRAIN PAGE — the signal path (from Relay), trimmed to the
   brain's own story: sources → ingestion → structure → query
   ============================================================ */
.signal{border-top:1px solid var(--hair);position:relative}
.signal-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);
  gap:clamp(24px,4vw,72px);align-items:stretch}
.signal-grid>*{min-width:0}
.signal-stage{position:sticky;top:64px;height:calc(100vh - 64px);
  display:flex;flex-direction:column;padding:clamp(14px,2.5vh,28px) 0}
.stage-cap{display:flex;gap:14px;font-family:var(--f-mono);font-size:.66rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin:0 0 10px}
.stage-cap b{color:var(--accent);font-weight:400}
.stage-fig{flex:1;min-height:0;display:flex;align-items:center;justify-content:center}
.stage-fig svg{width:100%;height:100%;max-height:100%}
.stage-hud{display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-top:10px;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--faint)}
.stage-hud .hud-label{color:var(--accent);min-width:16ch}
.hud-ticks{display:flex;gap:6px}
.hud-ticks i{width:20px;height:2px;background:var(--hair);transition:background var(--t2) var(--e)}
.hud-ticks i.on{background:var(--accent)}
.stage-hint{color:var(--faint)}
.signal-copy{padding:clamp(24px,6vh,64px) 0 clamp(48px,10vh,96px)}
.chapter{min-height:88vh;display:flex;flex-direction:column;justify-content:center;
  border-left:1px solid var(--hair);padding-left:clamp(18px,3vw,36px);
  transition:border-color var(--t3) var(--e)}
.chapter.is-live{border-color:var(--accent)}
.chapter-tag{margin:0 0 14px;font-family:var(--f-mono);font-size:.68rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.chapter h2{font-size:clamp(1.9rem,3.6vw,3rem);margin-bottom:.45em}
.chapter-line{color:var(--dim);font-size:clamp(1rem,1.4vw,1.15rem);max-width:34em;margin-bottom:1.1em}
.chapter-line strong{color:var(--ink)}
.chapter-stage{margin:0 0 18px;font-family:var(--f-mono);font-size:.66rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--faint);line-height:1.9;max-width:48ch}
.chapter-stage b{color:var(--accent);font-weight:400}
@media (max-width:900px){
  .signal-grid{display:block}
  /* stick the COLUMN, not the stage: the stage's own box is only as tall as
     itself, so sticking it there would scroll the diagram away immediately */
  .signal-stagecol{position:sticky;top:64px;z-index:5}
  .signal-stage{position:static;height:min(46vh,400px);
    background:var(--paper);border-bottom:1px solid var(--hair);padding:10px 0 12px}
  .chapter{min-height:72vh}
  .signal-copy{padding-top:32px}
}
/* schematic linework */
.stage-fig .d{fill:none;stroke:var(--ink);stroke-width:1.4;vector-effect:non-scaling-stroke;
  stroke-linecap:round;stroke-linejoin:round}
.stage-fig .d.ft{stroke:var(--faint)}
.stage-fig .d.ac{stroke:var(--accent)}
.stage-fig .d.thin{stroke-width:1}
.stage-fig .dash{stroke-dasharray:5 5}
.stage-fig .an{font-family:var(--f-mono);font-size:10.5px;letter-spacing:1.2px;fill:var(--dim)}
.stage-fig .an.ac{fill:var(--accent)}
.stage-fig .an.ft{fill:var(--faint);font-size:9.5px}
.stage-fig .an.ttl{fill:var(--ink);font-size:12px;letter-spacing:2px}
.stage-fig .hp{stroke:none!important;fill:none!important}

/* ============================================================
   ENGINE PAGE — the machine, exploded (from Assembly).
   Default (no JS / reduced motion): fully assembled labeled
   diagram + all chapter texts visible as a static legend.
   .js-scrub (set by main.js): tall section, sticky stage, HUD.
   ============================================================ */
.assembly{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);
  background:var(--paper);position:relative}
.asm-stage{padding:clamp(40px,6vw,72px) 0}
.asm-grid{display:grid;grid-template-columns:minmax(280px,420px) minmax(0,1fr);
  gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:860px){.asm-grid{grid-template-columns:1fr}}
.machine-wrap{perspective:1400px}
.machine{display:block;width:100%;height:auto;max-height:88vh}
.hud-read{display:none}
.asm-rail{display:none}
.chapters{list-style:none;margin:0;padding:0;display:grid;gap:22px}
.chap{border-top:1px solid var(--hair);padding-top:14px}
.chap:first-child{border-top:0;padding-top:0}
.chap-kicker{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent);margin:0 0 8px}
.chap h3{font-size:clamp(1.35rem,2.4vw,1.9rem);margin:0 0 8px}
.chap p:last-child{margin:0;color:var(--dim);font-size:.98rem;max-width:34em}
.chap--final .chap-kicker{background:var(--accent);color:var(--accent-ink);
  display:inline-block;padding:3px 8px;border-radius:var(--r)}
/* scrub mode */
.js-scrub .assembly{height:740vh}
.js-scrub .asm-stage{position:sticky;top:64px;height:calc(100vh - 64px);
  display:flex;align-items:center;padding:0;overflow:hidden}
/* the pinned stage gets more room than body copy — the machine is the point */
.js-scrub .asm-stage>.wrap{width:100%;max-width:1400px}
.js-scrub .asm-grid{align-items:center;grid-template-columns:minmax(260px,360px) minmax(0,1fr)}
.js-scrub .machine{height:min(84vh,760px);width:auto;max-width:100%;margin:0 auto}
.js-scrub .chapters{display:block;position:relative;min-height:15em}
.js-scrub .chap{position:absolute;inset:0;border-top:0;padding-top:0;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity var(--t2) var(--e),transform var(--t2) var(--e)}
.js-scrub .chap.on{opacity:1;transform:none;pointer-events:auto}
.js-scrub .hud-read{display:flex;justify-content:space-between;gap:16px;
  font-family:var(--f-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--faint);border-bottom:1px solid var(--hair);padding-bottom:12px;margin:0 0 26px}
.js-scrub .hud-read b{color:var(--accent);font-weight:400}
.js-scrub .asm-rail{display:flex;gap:8px;margin-top:30px}
.asm-rail i{display:block;width:26px;height:3px;border-radius:2px;background:var(--hair);
  transition:background var(--t2) var(--e)}
.asm-rail i.done{background:var(--faint)}
.asm-rail i.now{background:var(--accent)}
@media (max-width:860px){
  .js-scrub .asm-grid{grid-template-columns:1fr;gap:10px}
  .js-scrub .machine{height:min(52vh,480px)}
  .js-scrub .chapters{min-height:11em}
  .js-scrub .asm-rail{margin-top:14px}
}
/* machine SVG line-work */
.machine .axis{stroke:var(--faint);stroke-width:1;stroke-dasharray:2 7;fill:none;opacity:.7}
.machine .ground{stroke:var(--hair);stroke-width:1;stroke-dasharray:5 6;fill:none}
.machine .p-top{fill:var(--panel);stroke:var(--ink);stroke-width:1.2}
.machine .p-side{fill:var(--paper-2);stroke:var(--hair);stroke-width:1}
.machine .m{fill:none;stroke:var(--dim);stroke-width:1.1}
.machine .m.f{stroke:var(--faint)}
.machine .m.a{stroke:var(--accent)}
.machine .nfill{fill:var(--paper-2);stroke:var(--ink);stroke-width:1.1}
.machine .led{fill:var(--accent);opacity:.75}
.machine .c-line{stroke:var(--faint);stroke-width:1;fill:none;stroke-dasharray:4 5}
.machine .c-dot{fill:var(--accent)}
.machine .lbl{font-family:var(--f-mono);font-size:12.5px;letter-spacing:2px;fill:var(--dim)}
.machine .lbl-sub{font-family:var(--f-mono);font-size:10px;letter-spacing:1.6px;fill:var(--faint)}
.machine .seam{fill:none;stroke:var(--accent);stroke-width:1.6;opacity:.28}
.machine .scan{opacity:0}
.machine .scanline{fill:none;stroke:var(--accent);stroke-width:1.6}
.machine .core{opacity:.16}
.js-scrub .machine .seam{opacity:0}
.js-scrub .machine .core{opacity:0}
.js-scrub .machine .lbl{fill:var(--faint);transition:fill var(--t2) var(--e)}
.js-scrub .machine .c-line{opacity:.5;transition:opacity var(--t2) var(--e)}
.js-scrub .machine .plate.is-seated .lbl{fill:var(--dim)}
.js-scrub .machine .plate.is-live .lbl{fill:var(--accent)}
.js-scrub .machine .plate.is-live .c-line{opacity:1;stroke:var(--accent)}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation:none!important}
  .js-anim .rv{opacity:1;transform:none}
  .sweep-armed [data-sweep]{clip-path:none}
  .sweep-armed [data-sweep]::after{content:none}
  .ch{min-height:0;padding:clamp(56px,9vw,110px) 0}
  .ch-pin{position:static}
  .loader{display:none!important}
  .signal-stage{position:static;height:auto}
  .stage-hud{display:none}
  .chapter{min-height:0;padding:32px 0 32px clamp(18px,3vw,36px)}
}