/* ═══════════════════════════════════════════════════════════
   BIOTEKK — DESIGN SYSTEM
   Black · White · Cyan · Minimal · Clinical
   Shared stylesheet for all pages.
═══════════════════════════════════════════════════════════ */
:root {
  --black:   #080808;
  --black-2: #0F0F0F;
  --black-3: #161616;
  --black-4: #1E1E1E;
  --white:   #F8F8F8;
  --white-2: #D0D0D0;
  --white-3: #888888;
  --white-4: #444444;
  --cyan:    #00D4FF;
  --cyan-dk: #0099CC;
  --cyan-glow: rgba(0,212,255,0.15);
  --green:   #00FF88;
  --amber:   #FFB020;
  --rule:    rgba(255,255,255,0.07);
  --rule-2:  rgba(255,255,255,0.12);
  --rule-c:  rgba(0,212,255,0.2);

  --sans:  'Space Grotesk', system-ui, -apple-system, sans-serif;
  --mono:  'Space Mono', ui-monospace, monospace;

  --ease:     cubic-bezier(0.25,0.1,0.25,1);
  --ease-out: cubic-bezier(0,0,0.2,1);
  --max:      1400px;
  --gutter:   clamp(1.5rem,5vw,4rem);
  --section:  clamp(6rem,11vw,10rem);
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0 }
html { font-size:16px; scroll-behavior:smooth; -webkit-font-smoothing:antialiased; scroll-padding-top:100px }
body {
  font-family: var(--sans);
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  cursor: none;
}
img { display:block; max-width:100% }
a { color:inherit; text-decoration:none }
button { font-family:var(--sans); cursor:none; border:none; background:none; color:inherit }
ul { list-style:none }
::selection { background:var(--cyan); color:var(--black) }
:focus-visible { outline:1px solid var(--cyan); outline-offset:3px }

/* ── SKIP LINK ──────────────────────────────── */
.skip {
  position:absolute; left:-9999px; top:0; z-index:9999;
  background:var(--cyan); color:var(--black);
  font-family:var(--mono); font-size:.6rem; letter-spacing:.16em; text-transform:uppercase;
  padding:.75rem 1.25rem;
}
.skip:focus { left:var(--gutter); top:.75rem }

/* ── CURSOR ─────────────────────────────────── */
#bt-cursor {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  position: fixed; top:0; left:0;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: width .2s, height .2s, background .2s, opacity .3s;
  box-shadow: 0 0 12px var(--cyan), 0 0 24px rgba(0,212,255,0.4);
  opacity: 0;
}
#bt-ring {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.35);
  position: fixed; top:0; left:0;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%);
  transition: width .35s, height .35s, border-color .25s, opacity .3s;
  opacity: 0;
}
body.cursor-live #bt-cursor,
body.cursor-live #bt-ring { opacity: 1 }

/* Devices without a fine pointer keep the native cursor */
@media (hover:none),(pointer:coarse) {
  body, button, .fsub { cursor:auto }
  #bt-cursor, #bt-ring { display:none }
}

/* ── NEURAL NETWORK CANVAS ──────────────────── */
#neuroCanvas {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 1;
  opacity: 0.5;
}

/* ── NAV ────────────────────────────────────── */
nav.site-nav {
  position: fixed; top:0; left:0; right:0; z-index:500;
  display: flex; align-items:center; justify-content:space-between;
  padding: 1.5rem var(--gutter);
  transition: background .4s var(--ease), border-color .4s;
  border-bottom: 1px solid transparent;
}
nav.site-nav.scrolled {
  background: rgba(8,8,8,0.94);
  backdrop-filter: blur(24px);
  border-bottom-color: var(--rule);
}
.nav-logo { display:flex; align-items:center; gap:1rem }
.nav-logo-mark {
  width: 36px; height: 36px;
  background: var(--white);
  display: flex; align-items:center; justify-content:center;
  font-size: 1.125rem; font-weight: 700;
  color: var(--black);
  position: relative; overflow: hidden;
  flex-shrink: 0;
}
.nav-logo-mark::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--cyan);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease);
  mix-blend-mode: multiply;
}
.nav-logo:hover .nav-logo-mark::after { transform: scaleX(1) }
.nav-logo-mark span { position:relative; z-index:1 }
.nav-logo-text {
  font-size: .8125rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--white);
}
.nav-logo-text span { color: var(--cyan) }
.nav-links { display:flex; gap:2.25rem; align-items:center }
.nav-links a {
  font-size: .6875rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--white-3);
  transition: color .2s;
  position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom:0; left:0; right:0;
  height: 1px; background: var(--cyan);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav-links a:hover { color: var(--white) }
.nav-links a:hover::after { transform: scaleX(1) }
.nav-links a[aria-current="page"] { color: var(--white) }
.nav-links a[aria-current="page"]::after { transform: scaleX(1) }
.nav-cta {
  font-size: .6875rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  padding: .625rem 1.5rem;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  position: relative; overflow: hidden;
  transition: color .3s;
  white-space: nowrap;
}
.nav-cta::before {
  content: ''; position: absolute; inset:0;
  background: var(--cyan);
  transform: translateX(-101%);
  transition: transform .3s var(--ease);
}
.nav-cta:hover { color: var(--black) }
.nav-cta:hover::before { transform: translateX(0) }
.nav-cta span { position: relative; z-index:1 }
.hamburger { display:none; flex-direction:column; gap:5px; padding:4px }
.hamburger span { display:block; width:22px; height:1px; background:var(--white); transition:all .3s }

/* ── MOBILE MENU ────────────────────────────── */
.mob {
  position: fixed; inset:0; z-index:600;
  background: var(--black);
  transform: translateX(100%);
  transition: transform .4s var(--ease);
  display: flex; flex-direction:column;
  padding: 5.5rem var(--gutter) 3rem;
  border-left: 1px solid var(--rule);
  overflow-y: auto;
}
.mob.open { transform: translateX(0) }
.mob a {
  font-size: clamp(1.25rem,4.5vw,2rem); font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase;
  color: var(--white-4);
  padding: .75rem 0;
  border-bottom: 1px solid var(--rule);
  transition: color .2s, padding .2s;
  display: block;
}
.mob a:hover, .mob a:focus-visible { color: var(--cyan); padding-left: .75rem }
.mob-close {
  position: absolute; top:1.5rem; right:var(--gutter);
  font-size: .6875rem; font-weight:600;
  letter-spacing: .2em; text-transform:uppercase;
  color: var(--white-4); border: 1px solid var(--rule);
  padding: .4rem .875rem;
  transition: all .2s;
}
.mob-close:hover { color:var(--cyan); border-color:var(--rule-c) }

/* ── HERO (HOME) ────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex; flex-direction:column; justify-content:flex-end;
  position: relative; overflow:hidden;
  padding: 8rem var(--gutter) clamp(3.5rem,8vw,7rem);
}
.hero-grid {
  position: absolute; inset:0; z-index:0;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 40%, transparent 100%);
}
.hero-glow {
  position: absolute; z-index:0;
  width: 700px; height: 700px; border-radius:50%;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 65%);
  top: 50%; left: 50%; transform: translate(-40%,-50%);
  animation: glowPulse 6s ease-in-out infinite;
}
@keyframes glowPulse {
  0%,100% { opacity:.6; transform:translate(-40%,-50%) scale(1) }
  50% { opacity:1; transform:translate(-40%,-50%) scale(1.12) }
}
.hero-content { position:relative; z-index:2; max-width:var(--max); margin:0 auto; width:100% }
.hero-status {
  display: inline-flex; align-items:center; gap:.875rem;
  padding: .375rem 1rem .375rem .75rem;
  border: 1px solid var(--rule-c);
  background: rgba(0,212,255,0.04);
  margin-bottom: 2rem;
}
.status-dot {
  width: 6px; height: 6px; border-radius:50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse { 0%,100%{opacity:1;box-shadow:0 0 8px var(--cyan)}50%{opacity:.4;box-shadow:0 0 2px var(--cyan)} }
.status-text {
  font-family: var(--mono); font-size: .6rem;
  letter-spacing: .16em; text-transform:uppercase;
  color: var(--cyan);
}
.hero-headline {
  font-size: clamp(2.35rem,5.6vw,5.5rem); font-weight:700;
  line-height: .98; letter-spacing: -.03em;
  color: var(--white);
  margin-bottom: 2.25rem;
  max-width: 22ch;
}
.hero-headline .line-dim { color: rgba(248,248,248,0.22) }
.hero-headline .line-cyan {
  background: linear-gradient(90deg, var(--cyan), rgba(0,212,255,0.6));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(.9rem,1.4vw,1.0625rem); font-weight:300;
  color: var(--white-3); line-height:1.85;
  max-width: 68ch; margin-bottom: 2.75rem;
}
.hero-sub strong { color:var(--white); font-weight:500 }
.hero-actions { display:flex; gap:1.25rem; align-items:center; flex-wrap:wrap }
.hero-scroll {
  position: absolute; bottom:clamp(2rem,4vw,3.5rem); right:var(--gutter);
  z-index:2; display:flex; flex-direction:column; align-items:center; gap:.5rem;
}
.hero-scroll-label {
  font-family: var(--mono); font-size:.5rem;
  letter-spacing:.22em; text-transform:uppercase;
  color: rgba(248,248,248,0.2); writing-mode:vertical-rl;
}
.hero-scroll-line {
  width:1px; height:48px;
  background: rgba(255,255,255,0.08);
  position:relative; overflow:hidden;
}
.hero-scroll-line::after {
  content:''; position:absolute; top:-100%; width:100%; height:45%;
  background:linear-gradient(180deg,transparent,var(--cyan),transparent);
  animation:scrollLine 2.5s ease-in-out infinite;
}
@keyframes scrollLine { 0%{top:-100%} 100%{top:200%} }

/* ── PAGE HERO (SUBPAGES) ───────────────────── */
.page-hero {
  position:relative; overflow:hidden;
  padding: clamp(9rem,15vw,13rem) var(--gutter) clamp(3.5rem,7vw,6rem);
  border-bottom:1px solid var(--rule);
}
.page-hero .hero-grid { background-size:64px 64px }
.ph-in { position:relative; z-index:2; max-width:var(--max); margin:0 auto }
.ph-title {
  font-size:clamp(2.15rem,5.2vw,4.75rem); font-weight:700;
  letter-spacing:-.03em; line-height:1;
  color:var(--white); max-width:26ch; margin-bottom:1.75rem;
}
.ph-title em { font-style:normal; color:var(--cyan) }
.ph-sub {
  font-size:clamp(.9rem,1.35vw,1.0625rem); font-weight:300;
  color:var(--white-3); line-height:1.85; max-width:70ch;
}
.ph-actions { display:flex; gap:1rem; flex-wrap:wrap; margin-top:2.5rem }
.crumbs {
  font-family:var(--mono); font-size:.55rem;
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--white-4); margin-bottom:1.25rem;
  display:flex; gap:.6rem; align-items:center; flex-wrap:wrap;
}
.crumbs a { color:var(--white-4); transition:color .2s }
.crumbs a:hover { color:var(--cyan) }
.crumbs span[aria-current] { color:var(--cyan) }

/* ── BUTTONS ────────────────────────────────── */
.btn-primary {
  font-size: .6875rem; font-weight:600;
  letter-spacing: .12em; text-transform:uppercase;
  padding: 1.0625rem 2.25rem;
  background: var(--white); color: var(--black);
  border: 1px solid var(--white);
  position: relative; overflow:hidden;
  transition: color .3s, border-color .3s;
  display: inline-block; text-align:center;
}
.btn-primary::before {
  content: ''; position:absolute; inset:0;
  background: var(--cyan);
  transform: translateX(-101%);
  transition: transform .35s var(--ease);
}
.btn-primary:hover { color:var(--black); border-color:var(--cyan) }
.btn-primary:hover::before { transform:translateX(0) }
.btn-primary span { position:relative; z-index:1 }
.btn-secondary {
  font-size: .6875rem; font-weight:500;
  letter-spacing: .12em; text-transform:uppercase;
  padding: 1.0625rem 2.25rem;
  background: transparent; color: var(--white-2);
  border: 1px solid var(--rule-2);
  transition: all .25s;
  display: inline-flex; align-items:center; gap:.75rem; justify-content:center;
}
.btn-secondary:hover { border-color:var(--white-2); color:var(--white) }
.btn-secondary svg { flex-shrink:0 }

/* ── DATA STRIP ─────────────────────────────── */
.data-strip {
  position: relative; z-index:3;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: rgba(0,212,255,0.02);
  padding: .875rem 0;
  overflow: hidden;
}
.data-strip::before,.data-strip::after {
  content:''; position:absolute; top:0; bottom:0; width:100px; z-index:1; pointer-events:none;
}
.data-strip::before { left:0; background:linear-gradient(90deg,var(--black),transparent) }
.data-strip::after { right:0; background:linear-gradient(-90deg,var(--black),transparent) }
.ds-track {
  display:flex; width:max-content;
  animation:dsScroll 45s linear infinite;
}
.ds-track:hover { animation-play-state:paused }
@keyframes dsScroll { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }
.ds-item {
  font-family:var(--mono); font-size:.55rem;
  letter-spacing:.2em; text-transform:uppercase;
  color:var(--white-4);
  padding:0 2.25rem;
  display:flex; align-items:center; gap:1.25rem; white-space:nowrap;
}
.ds-item .ds-val { color:var(--cyan) }
.ds-sep { color:var(--white-4); opacity:.4; font-size:.45rem }

/* ── SECTION BASE ───────────────────────────── */
.section { padding:var(--section) var(--gutter); position:relative }
.section-tight { padding:clamp(3.5rem,7vw,6.5rem) var(--gutter) }
.s-in { max-width:var(--max); margin:0 auto; position:relative; z-index:2 }
.bg-1 { position:absolute; inset:0; background:var(--black) }
.bg-2 { position:absolute; inset:0; background:var(--black-2) }
.bg-3 { position:absolute; inset:0; background:var(--black-3) }
.bg-band {
  position:absolute; inset:0; background:var(--black-2);
  border-top:1px solid var(--rule); border-bottom:1px solid var(--rule);
}
.eyebrow {
  font-family:var(--mono); font-size:.6rem; font-weight:400;
  letter-spacing:.22em; text-transform:uppercase;
  color:var(--cyan); margin-bottom:.875rem;
  display:flex; align-items:center; gap:.875rem;
}
.eyebrow::before { content:''; width:24px; height:1px; background:var(--cyan); flex-shrink:0 }
.s-title {
  font-size:clamp(1.85rem,4.2vw,4rem); font-weight:700;
  letter-spacing:-.025em; line-height:.98;
  color:var(--white); max-width:30ch;
}
.s-title em { font-style:normal; color:var(--cyan) }
.s-lead {
  font-size:clamp(.9375rem,1.35vw,1.125rem); font-weight:300;
  color:var(--white-2); line-height:1.85;
  max-width:72ch; margin-top:1.75rem;
}
.s-head-actions { display:flex; gap:1rem; flex-wrap:wrap; margin-top:2.5rem }

/* ── SPLIT (sticky heading + body) ──────────── */
.split {
  display:grid; grid-template-columns:0.85fr 1.15fr;
  gap:clamp(2.5rem,6vw,7rem); align-items:start;
}
.split-left { position:sticky; top:120px }
.split-mark {
  width:104px; height:104px;
  background:var(--white);
  display:flex; align-items:center; justify-content:center;
  font-size:3.25rem; font-weight:700; color:var(--black);
  margin-bottom:2.25rem;
  position:relative; overflow:hidden;
}
.split-mark::after {
  content:''; position:absolute; inset:0;
  background:var(--cyan);
  transform:scaleY(0); transform-origin:bottom;
  transition:transform .5s var(--ease);
}
.split-mark:hover::after { transform:scaleY(1) }
.split-mark span { position:relative; z-index:1 }
.split-sub {
  font-size:clamp(1.125rem,1.9vw,1.6rem); font-weight:700;
  letter-spacing:-.02em; color:var(--white); line-height:1.2;
}
.statement {
  font-size:clamp(1.0625rem,1.85vw,1.55rem); font-weight:300;
  color:var(--white); line-height:1.6;
  margin-bottom:2.5rem;
  border-left:1px solid var(--cyan);
  padding-left:1.75rem;
}
.statement strong { color:var(--cyan); font-weight:500 }
.body-p {
  font-size:.9375rem; font-weight:300;
  color:var(--white-3); line-height:1.9;
  margin-bottom:1.5rem; max-width:74ch;
}
.body-p:last-child { margin-bottom:0 }
.body-p strong { color:var(--white-2); font-weight:500 }
.body-p a, .prose a { color:var(--cyan); border-bottom:1px solid var(--rule-c); transition:border-color .2s }
.body-p a:hover, .prose a:hover { border-bottom-color:var(--cyan) }

/* ── CHIPS / TAGS ───────────────────────────── */
.chips { display:flex; gap:.5rem; flex-wrap:wrap; margin-top:2rem }
.chip {
  font-family:var(--mono); font-size:.55rem;
  letter-spacing:.12em; text-transform:uppercase;
  padding:.4rem .875rem;
  border:1px solid var(--rule);
  color:var(--white-4);
  transition:all .2s;
}
.chip:hover { border-color:var(--rule-c); color:var(--cyan) }

/* ── CELL GRID (universal bordered grid) ────── */
.cells {
  display:grid; gap:1px;
  background:var(--rule);
  border:1px solid var(--rule);
  margin-top:clamp(2.5rem,5vw,4.5rem);
  grid-template-columns:repeat(var(--cols,3),minmax(0,1fr));
}
.cells.no-mt { margin-top:0 }
.cell {
  background:var(--black);
  padding:clamp(2rem,3vw,3rem) clamp(1.5rem,2vw,2rem);
  position:relative; overflow:hidden;
  transition:background .35s;
}
.cell::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse 110% 110% at 50% 100%,var(--cyan-glow),transparent 70%);
  opacity:0; transition:opacity .4s; pointer-events:none;
}
.cell:hover { background:rgba(0,212,255,0.025) }
.cell:hover::before { opacity:1 }
.cell-line {
  position:absolute; top:0; left:0; right:0; height:1px;
  background:var(--cyan);
  transform:scaleX(0); transform-origin:left;
  transition:transform .5s var(--ease);
}
.cell:hover .cell-line { transform:scaleX(1) }
.cell-num {
  font-family:var(--mono); font-size:.55rem; font-weight:400;
  letter-spacing:.22em; color:var(--white-4);
  margin-bottom:1.75rem; display:block;
  position:relative; z-index:1;
}
.cell-icon {
  width:52px; height:52px;
  border:1px solid var(--rule);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:1.5rem;
  position:relative; z-index:1;
  transition:border-color .3s, background .3s;
}
.cell:hover .cell-icon { border-color:var(--cyan); background:rgba(0,212,255,0.06) }
.cell-icon svg { width:22px; height:22px; stroke:var(--white-3); fill:none; stroke-width:1.5; transition:stroke .3s }
.cell:hover .cell-icon svg { stroke:var(--cyan) }
.cell-icon.sm { width:40px; height:40px; margin-bottom:1.25rem }
.cell-icon.sm svg { width:18px; height:18px }
.cell-title {
  font-size:.8125rem; font-weight:600;
  letter-spacing:.08em; text-transform:uppercase;
  color:var(--white); margin-bottom:.875rem;
  position:relative; z-index:1; line-height:1.5;
}
.cell-title.plain { text-transform:none; letter-spacing:-.01em; font-size:1rem }
.cell-desc {
  font-size:.875rem; font-weight:300;
  color:var(--white-4); line-height:1.8;
  position:relative; z-index:1;
}
.cell-desc + .cell-desc { margin-top:.875rem }
.cell-meta {
  font-family:var(--mono); font-size:.5rem;
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--cyan); margin-top:1.5rem;
  position:relative; z-index:1; display:block;
}

/* ── PROCESS STEPS ──────────────────────────── */
.steps {
  display:grid; gap:1px; background:var(--rule);
  border:1px solid var(--rule);
  margin-top:clamp(2.5rem,5vw,4.5rem);
  grid-template-columns:repeat(var(--cols,4),minmax(0,1fr));
}
.step {
  background:var(--black);
  padding:2.5rem 1.75rem;
  position:relative; transition:background .3s;
}
.step:hover { background:rgba(0,212,255,0.02) }
.step-num {
  width:48px; height:48px;
  border:1px solid var(--rule);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:1.75rem;
  font-family:var(--mono); font-size:.75rem; font-weight:700;
  color:var(--white-4);
  background:var(--black);
  position:relative; z-index:1;
  transition:border-color .3s, color .3s, background .3s, box-shadow .3s;
}
.step:hover .step-num {
  border-color:var(--cyan); color:var(--cyan);
  background:rgba(0,212,255,0.06);
  box-shadow:0 0 16px rgba(0,212,255,0.2);
}
.step-label {
  font-size:.6875rem; font-weight:600;
  letter-spacing:.1em; text-transform:uppercase;
  color:var(--white); margin-bottom:.75rem;
}
.step-desc {
  font-size:.8125rem; font-weight:300;
  color:var(--white-4); line-height:1.8;
}

/* ── STATS ──────────────────────────────────── */
.stats-grid {
  display:grid; gap:1px; background:var(--rule);
  border:1px solid var(--rule);
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.stat {
  background:var(--black-2);
  padding:3.25rem 1.5rem;
  text-align:center; position:relative; overflow:hidden;
  transition:background .3s;
}
.stat:hover { background:rgba(0,212,255,0.03) }
.stat-glow {
  position:absolute; inset:0;
  background:radial-gradient(ellipse 80% 80% at 50% 110%,var(--cyan-glow),transparent);
  opacity:0; transition:opacity .4s;
}
.stat:hover .stat-glow { opacity:1 }
.stat-num {
  font-size:clamp(2.25rem,4.6vw,4.25rem); font-weight:700;
  letter-spacing:-.03em; line-height:1;
  color:var(--white); display:block; margin-bottom:.625rem;
  position:relative; z-index:1;
  font-variant-numeric:tabular-nums;
}
.stat-num sup { font-size:.5em; color:var(--cyan); vertical-align:super }
.stat-num .pre { color:var(--white-3) }
.stat-label {
  font-family:var(--mono); font-size:.55rem;
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--white-4); position:relative; z-index:1;
}
.stat-note {
  font-size:.7rem; font-weight:300; color:var(--white-4);
  line-height:1.7; margin-top:1.5rem; text-align:center; max-width:80ch;
  margin-left:auto; margin-right:auto;
}

/* ── FEATURE LIST (dot rows) ────────────────── */
.pf-list { display:flex; flex-direction:column }
.pf {
  padding:1.5rem 0; border-bottom:1px solid var(--rule);
  display:grid; grid-template-columns:auto 1fr; gap:1.25rem;
  align-items:start; transition:background .2s, padding .2s;
}
.pf:first-child { border-top:1px solid var(--rule) }
.pf:hover { background:rgba(0,212,255,0.02) }
.pf-dot {
  width:6px; height:6px; border-radius:50%; background:var(--cyan);
  box-shadow:0 0 8px var(--cyan); margin-top:.45rem; flex-shrink:0;
}
.pf-title { font-size:.9375rem; font-weight:600; color:var(--white); margin-bottom:.35rem }
.pf-desc { font-size:.8125rem; font-weight:300; color:var(--white-4); line-height:1.75 }

/* ── PLATFORM VISUAL ────────────────────────── */
.visual-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:clamp(2.5rem,5vw,6rem); align-items:center;
}
.visual {
  position:relative; aspect-ratio:1;
  border:1px solid var(--rule); background:var(--black-2);
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
.visual canvas { position:absolute; inset:0; width:100%; height:100% }
.visual-label {
  position:relative; z-index:1;
  font-family:var(--mono); font-size:.55rem;
  letter-spacing:.22em; text-transform:uppercase;
  color:var(--cyan);
}

/* ── SUBNAV (in-page) ───────────────────────── */
.subnav {
  position:sticky; top:0; z-index:400;
  background:rgba(8,8,8,0.92);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--rule);
}
.subnav-in {
  max-width:var(--max); margin:0 auto;
  padding:0 var(--gutter);
  display:flex; gap:2rem; overflow-x:auto;
  scrollbar-width:none;
}
.subnav-in::-webkit-scrollbar { display:none }
.subnav a {
  font-family:var(--mono); font-size:.55rem;
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--white-4); padding:1.125rem 0;
  white-space:nowrap; position:relative;
  transition:color .2s;
}
.subnav a::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:1px;
  background:var(--cyan); transform:scaleX(0); transform-origin:left;
  transition:transform .3s var(--ease);
}
.subnav a:hover { color:var(--cyan) }
.subnav a:hover::after,.subnav a.active::after { transform:scaleX(1) }
.subnav a.active { color:var(--cyan) }

/* ── NOTICE PANELS ──────────────────────────── */
.notice {
  border:1px solid var(--rule);
  border-left:2px solid var(--cyan);
  background:rgba(0,212,255,0.03);
  padding:clamp(1.5rem,2.5vw,2.25rem);
  margin-top:2.5rem;
}
.notice-label {
  font-family:var(--mono); font-size:.55rem;
  letter-spacing:.2em; text-transform:uppercase;
  color:var(--cyan); margin-bottom:.875rem;
  display:flex; align-items:center; gap:.75rem;
}
.notice-body { font-size:.875rem; font-weight:300; color:var(--white-2); line-height:1.85; max-width:78ch }
.notice-body + .notice-body { margin-top:.875rem }
.notice.urgent { border-left-color:var(--amber); background:rgba(255,176,32,0.04) }
.notice.urgent .notice-label { color:var(--amber) }
.notice.urgent .status-dot { background:var(--amber); box-shadow:0 0 8px var(--amber) }
.urgent-lines {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:1px; background:var(--rule); border:1px solid var(--rule); margin-top:1.5rem;
}
.urgent-line { background:var(--black); padding:1.125rem 1.25rem }
.urgent-line dt {
  font-family:var(--mono); font-size:.5rem; letter-spacing:.18em;
  text-transform:uppercase; color:var(--white-4); margin-bottom:.4rem;
}
.urgent-line dd { font-size:.9375rem; font-weight:500; color:var(--white) }
.urgent-line dd span { display:block; font-size:.75rem; font-weight:300; color:var(--white-4); margin-top:.25rem }

/* ── ACCORDION (FAQ) ────────────────────────── */
.acc { border-top:1px solid var(--rule); margin-top:clamp(2.5rem,5vw,4rem) }
.acc-item { border-bottom:1px solid var(--rule) }
.acc-btn {
  width:100%; text-align:left;
  display:grid; grid-template-columns:auto 1fr auto; gap:1.25rem;
  align-items:center;
  padding:1.5rem 0;
  transition:color .2s, padding .25s;
}
.acc-btn:hover { padding-left:.5rem }
.acc-idx {
  font-family:var(--mono); font-size:.55rem; letter-spacing:.16em;
  color:var(--white-4); transition:color .25s;
}
.acc-q {
  font-size:clamp(.9375rem,1.5vw,1.125rem); font-weight:500;
  color:var(--white-2); letter-spacing:-.01em; line-height:1.45;
  transition:color .25s;
}
.acc-btn:hover .acc-q,.acc-item.open .acc-q { color:var(--white) }
.acc-btn:hover .acc-idx,.acc-item.open .acc-idx { color:var(--cyan) }
.acc-sign {
  width:28px; height:28px; border:1px solid var(--rule);
  position:relative; flex-shrink:0;
  transition:border-color .25s, background .25s, transform .35s var(--ease);
}
.acc-sign::before,.acc-sign::after {
  content:''; position:absolute; top:50%; left:50%;
  background:var(--white-3);
  transform:translate(-50%,-50%);
  transition:background .25s, opacity .25s;
}
.acc-sign::before { width:10px; height:1px }
.acc-sign::after { width:1px; height:10px }
.acc-item.open .acc-sign { border-color:var(--cyan); background:rgba(0,212,255,0.06); transform:rotate(90deg) }
.acc-item.open .acc-sign::after { opacity:0 }
.acc-item.open .acc-sign::before { background:var(--cyan) }
.acc-panel {
  overflow:hidden; max-height:0;
  transition:max-height .45s var(--ease);
}
.acc-item.open .acc-panel { max-height:640px }
.acc-a {
  font-size:.9rem; font-weight:300; color:var(--white-3);
  line-height:1.9; max-width:78ch;
  padding:0 3.25rem 1.75rem 3.25rem;
}
.acc-a + .acc-a { padding-top:0; margin-top:-.75rem }
.acc-a a { color:var(--cyan); border-bottom:1px solid var(--rule-c) }
.acc-a a:hover { border-bottom-color:var(--cyan) }

/* ── AUDIENCE ROWS ──────────────────────────── */
.aud { border-top:1px solid var(--rule); margin-top:clamp(2.5rem,5vw,4rem) }
.aud-row {
  border-bottom:1px solid var(--rule);
  display:grid; grid-template-columns:auto minmax(0,14rem) 1fr;
  gap:clamp(1.25rem,3vw,3rem); align-items:baseline;
  padding:clamp(1.5rem,2.5vw,2.25rem) 0;
  transition:background .3s, padding .3s;
}
.aud-row:hover { background:rgba(0,212,255,0.02) }
.aud-idx { font-family:var(--mono); font-size:.55rem; letter-spacing:.16em; color:var(--white-4) }
.aud-name {
  font-size:clamp(1.0625rem,1.9vw,1.5rem); font-weight:600;
  letter-spacing:-.02em; color:var(--white); line-height:1.2;
  transition:color .25s;
}
.aud-row:hover .aud-name { color:var(--cyan) }
.aud-desc { font-size:.875rem; font-weight:300; color:var(--white-4); line-height:1.85; max-width:60ch }

/* ── DEFINITION / SPEC TABLE ────────────────── */
.spec { border-top:1px solid var(--rule); margin-top:clamp(2rem,4vw,3rem) }
.spec-row {
  border-bottom:1px solid var(--rule);
  display:grid; grid-template-columns:minmax(0,16rem) 1fr;
  gap:clamp(1rem,3vw,3rem);
  padding:1.375rem 0;
  transition:background .25s;
}
.spec-row:hover { background:rgba(0,212,255,0.02) }
.spec-k {
  font-family:var(--mono); font-size:.55rem;
  letter-spacing:.16em; text-transform:uppercase;
  color:var(--cyan); padding-top:.2rem;
}
.spec-v { font-size:.875rem; font-weight:300; color:var(--white-3); line-height:1.85 }

/* ── PROSE (legal / long form) ──────────────── */
.prose { max-width:76ch }
.prose h2 {
  font-size:clamp(1.125rem,2vw,1.5rem); font-weight:700;
  letter-spacing:-.02em; color:var(--white);
  margin:3.5rem 0 1rem; line-height:1.3;
  padding-top:1.75rem; border-top:1px solid var(--rule);
}
.prose h2:first-child { margin-top:0; border-top:none; padding-top:0 }
.prose h3 {
  font-size:.8125rem; font-weight:600; letter-spacing:.08em;
  text-transform:uppercase; color:var(--cyan);
  margin:2.25rem 0 .75rem;
}
.prose p { font-size:.9rem; font-weight:300; color:var(--white-3); line-height:1.95; margin-bottom:1.125rem }
.prose ul { margin:0 0 1.5rem; padding:0 }
.prose li {
  font-size:.9rem; font-weight:300; color:var(--white-3); line-height:1.9;
  padding-left:1.5rem; position:relative; margin-bottom:.625rem;
}
.prose li::before {
  content:''; position:absolute; left:0; top:.75rem;
  width:5px; height:5px; background:var(--cyan); border-radius:50%;
  box-shadow:0 0 6px var(--cyan);
}
.prose strong { color:var(--white-2); font-weight:500 }
.prose .meta-line {
  font-family:var(--mono); font-size:.55rem; letter-spacing:.16em;
  text-transform:uppercase; color:var(--white-4); margin-bottom:2.5rem;
}
.doc-grid { display:grid; grid-template-columns:minmax(0,16rem) 1fr; gap:clamp(2.5rem,6vw,6rem); align-items:start }
.doc-nav { position:sticky; top:120px }
.doc-nav-title {
  font-family:var(--mono); font-size:.5rem; letter-spacing:.22em;
  text-transform:uppercase; color:var(--cyan); margin-bottom:1.25rem;
}
.doc-nav ul { display:flex; flex-direction:column; gap:.7rem }
.doc-nav a { font-size:.8125rem; font-weight:300; color:var(--white-4); transition:color .2s }
.doc-nav a:hover { color:var(--white) }

/* ── CTA ────────────────────────────────────── */
.cta-sec {
  padding:clamp(5.5rem,11vw,10rem) var(--gutter);
  position:relative; overflow:hidden; text-align:center;
  border-top:1px solid var(--rule);
  border-bottom:1px solid var(--rule);
}
.cta-grid-lines {
  position:absolute; inset:0;
  background-image:linear-gradient(var(--rule) 1px,transparent 1px),linear-gradient(90deg,var(--rule) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,black 20%,transparent 80%);
  mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,black 20%,transparent 80%);
}
.cta-glow {
  position:absolute; width:500px; height:500px; border-radius:50%;
  background:radial-gradient(circle,rgba(0,212,255,0.08) 0%,transparent 65%);
  top:50%; left:50%; transform:translate(-50%,-50%);
  animation:glowPulse 5s ease-in-out infinite;
}
.cta-in { position:relative; z-index:1; max-width:var(--max); margin:0 auto }
.cta-headline {
  font-size:clamp(2rem,5vw,5rem); font-weight:700;
  letter-spacing:-.03em; line-height:1;
  color:var(--white); margin-bottom:1.5rem;
}
.cta-headline span {
  background:linear-gradient(90deg,var(--cyan),rgba(0,212,255,0.5));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}
.cta-sub {
  font-size:clamp(.9rem,1.4vw,1.0625rem); font-weight:300;
  color:var(--white-3); margin:0 auto 3rem; max-width:62ch; line-height:1.85;
}
.cta-actions { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap }

/* ── CONTACT / FORMS ────────────────────────── */
.contact-grid {
  display:grid; grid-template-columns:1fr 1.1fr;
  gap:clamp(2.5rem,6vw,7rem); align-items:start;
}
.c-title {
  font-size:clamp(1.75rem,3.6vw,3.25rem); font-weight:700;
  letter-spacing:-.02em; line-height:1;
  color:var(--white); margin-bottom:2rem;
}
.c-title em { font-style:normal; color:var(--cyan) }
.c-info { margin-bottom:1.75rem }
.c-lbl {
  font-family:var(--mono); font-size:.55rem;
  letter-spacing:.2em; text-transform:uppercase;
  color:var(--white-4); margin-bottom:.4rem;
}
.c-val { font-size:.9375rem; font-weight:300; color:var(--white-2); line-height:1.7 }
.c-val a { color:var(--cyan); transition:opacity .2s }
.c-val a:hover { opacity:.7 }
.form-card {
  border:1px solid var(--rule); background:var(--black-2);
  padding:clamp(1.5rem,3vw,2.5rem);
}
.form-card-title {
  font-size:.8125rem; font-weight:600; letter-spacing:.08em;
  text-transform:uppercase; color:var(--white); margin-bottom:.5rem;
}
.form-card-sub {
  font-size:.8125rem; font-weight:300; color:var(--white-4);
  line-height:1.8; margin-bottom:2rem;
}
.ff { margin-bottom:1.25rem }
.ff-row { display:grid; grid-template-columns:1fr 1fr; gap:1.25rem }
.fl {
  font-family:var(--mono); font-size:.55rem;
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--white-4); display:block; margin-bottom:.5rem;
}
.fl .req { color:var(--cyan) }
.fi,.fta,.fsel {
  width:100%; background:var(--black-3);
  border:1px solid var(--rule); border-bottom-color:var(--rule-2);
  padding:.875rem 1rem;
  font-family:var(--sans); font-size:.9375rem; font-weight:300;
  color:var(--white); outline:none;
  transition:border-color .25s, background .25s;
  -webkit-appearance:none; appearance:none;
  border-radius:0;
}
.fsel {
  background-image:linear-gradient(45deg,transparent 50%,var(--white-3) 50%),linear-gradient(135deg,var(--white-3) 50%,transparent 50%);
  background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
  padding-right:2.5rem;
}
.fi::placeholder,.fta::placeholder { color:var(--white-4) }
.fi:focus,.fta:focus,.fsel:focus { border-color:var(--cyan); background:rgba(0,212,255,0.02) }
.fta { resize:vertical; min-height:130px }
.fsel option { background:var(--black); color:var(--white) }
.fchk {
  display:grid; grid-template-columns:auto 1fr; gap:.875rem;
  align-items:start; margin:1.75rem 0;
}
.fchk input { -webkit-appearance:none; appearance:none; width:18px; height:18px; border:1px solid var(--rule-2); background:var(--black-3); position:relative; margin-top:.15rem; flex-shrink:0; cursor:none; border-radius:0 }
.fchk input:checked { border-color:var(--cyan); background:rgba(0,212,255,0.1) }
.fchk input:checked::after {
  content:''; position:absolute; left:5px; top:1px;
  width:5px; height:10px; border:solid var(--cyan);
  border-width:0 1.5px 1.5px 0; transform:rotate(45deg);
}
.fchk label { font-size:.75rem; font-weight:300; color:var(--white-4); line-height:1.75 }
.fchk label a { color:var(--cyan) }
.fsub {
  font-size:.6875rem; font-weight:600;
  letter-spacing:.18em; text-transform:uppercase;
  padding:1.0625rem 0;
  background:transparent; color:var(--cyan);
  border:none; border-bottom:1px solid var(--cyan);
  display:flex; align-items:center; gap:1rem;
  transition:letter-spacing .35s, color .2s; margin-top:.5rem;
  width:100%; text-align:left;
}
.fsub:hover { letter-spacing:.26em }
.fsub[disabled] { opacity:.6 }
.fsub-arr {
  width:32px; height:32px; background:var(--cyan);
  display:flex; align-items:center; justify-content:center;
  color:var(--black); font-size:1rem; flex-shrink:0;
  transition:transform .3s;
}
.fsub:hover .fsub-arr { transform:translateX(8px) }
.form-msg {
  font-family:var(--mono); font-size:.6rem; letter-spacing:.12em;
  line-height:1.8; margin-top:1.25rem; display:none;
}
.form-msg.show { display:block }
.form-msg.ok { color:var(--green) }
.form-msg.err { color:var(--amber) }
.hp { position:absolute; left:-9999px; opacity:0; height:0; overflow:hidden }

/* ── FOOTER ─────────────────────────────────── */
footer {
  background:var(--black-2); border-top:1px solid var(--rule);
  padding:clamp(3rem,5vw,5rem) var(--gutter) 2rem;
  position:relative; z-index:3;
}
.f-in { max-width:var(--max); margin:0 auto }
.f-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr;
  gap:2.5rem; margin-bottom:3.5rem;
}
.f-brand { display:flex; align-items:center; gap:.875rem; margin-bottom:1rem }
.f-brand-mark {
  width:32px; height:32px; background:var(--white);
  display:flex; align-items:center; justify-content:center;
  font-size:.9375rem; font-weight:700; color:var(--black); flex-shrink:0;
}
.f-brand-name { font-size:.8125rem; font-weight:600; letter-spacing:.14em; text-transform:uppercase }
.f-brand-name em { font-style:normal; color:var(--cyan) }
.f-bio { font-size:.8125rem; font-weight:300; color:var(--white-4); line-height:1.85; max-width:34ch; margin-bottom:1.5rem }
.f-socs { display:flex; gap:.75rem; flex-wrap:wrap }
.f-soc {
  font-family:var(--mono); font-size:.5rem;
  letter-spacing:.14em; text-transform:uppercase;
  color:var(--white-4); padding:.35rem .75rem;
  border:1px solid var(--rule); transition:all .2s;
}
.f-soc:hover { color:var(--cyan); border-color:var(--rule-c) }
.f-ctitle {
  font-family:var(--mono); font-size:.5rem;
  letter-spacing:.22em; text-transform:uppercase;
  color:var(--cyan); margin-bottom:1.25rem;
}
.f-links { display:flex; flex-direction:column; gap:.7rem }
.f-links a { font-size:.8125rem; font-weight:300; color:var(--white-4); transition:color .2s }
.f-links a:hover { color:var(--white) }
.f-nl {
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:1.5rem; margin-bottom:2rem;
  padding:1.75rem; border:1px solid var(--rule);
}
.f-nl-lbl { font-family:var(--mono); font-size:.5rem; letter-spacing:.22em; text-transform:uppercase; color:var(--cyan); margin-bottom:.35rem }
.f-nl-sub { font-size:.8125rem; font-weight:300; color:var(--white-4); max-width:46ch; line-height:1.7 }
.f-nl-form { display:flex; border:1px solid var(--rule) }
.f-nl-form input { background:transparent; border:none; padding:.75rem 1.25rem; font-family:var(--sans); font-size:.875rem; color:var(--white); outline:none; min-width:210px; font-weight:300 }
.f-nl-form input::placeholder { color:var(--white-4) }
.f-nl-form button { font-family:var(--mono); font-size:.5rem; letter-spacing:.16em; text-transform:uppercase; padding:.75rem 1.25rem; background:var(--white); color:var(--black); white-space:nowrap; transition:background .2s, color .2s }
.f-nl-form button:hover { background:var(--cyan) }
.f-disc {
  font-size:.7rem; font-weight:300; color:var(--white-4);
  line-height:1.85; max-width:100ch; margin-bottom:2rem;
  padding:1.25rem 1.5rem; border-left:1px solid var(--rule-2);
}
.f-disc strong { color:var(--white-3); font-weight:500 }
.f-div { height:1px; background:var(--rule); margin-bottom:2rem }
.f-bot { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:1rem }
.f-copy { font-family:var(--mono); font-size:.5rem; letter-spacing:.1em; color:var(--white-4); line-height:1.8 }
.f-legal { display:flex; gap:1.25rem; flex-wrap:wrap }
.f-legal a { font-family:var(--mono); font-size:.5rem; letter-spacing:.1em; color:var(--white-4); transition:color .2s }
.f-legal a:hover { color:var(--cyan) }

/* ── REVEALS ────────────────────────────────── */
.rev { opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease-out),transform .7s var(--ease-out) }
.rev.vis { opacity:1; transform:translateY(0) }
.rev-d1{transition-delay:.08s}.rev-d2{transition-delay:.16s}
.rev-d3{transition-delay:.24s}.rev-d4{transition-delay:.32s}

/* ── UTILITIES ──────────────────────────────── */
.mt-lg { margin-top:clamp(3rem,6vw,5rem) }
.mt-md { margin-top:clamp(2rem,4vw,3rem) }
.center { text-align:center; margin-left:auto; margin-right:auto }
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}

/* ── RESPONSIVE ─────────────────────────────── */
@media(max-width:1100px) {
  .split,.visual-grid,.contact-grid,.doc-grid { grid-template-columns:1fr }
  .split-left,.doc-nav { position:static }
  .doc-nav { display:none }
  .cells { grid-template-columns:repeat(2,minmax(0,1fr)) }
  .steps { grid-template-columns:repeat(2,minmax(0,1fr)) }
  .stats-grid { grid-template-columns:repeat(2,minmax(0,1fr)) }
  .f-grid { grid-template-columns:1fr 1fr }
  .aud-row { grid-template-columns:auto 1fr }
  .aud-desc { grid-column:2 }
}
@media(max-width:768px) {
  .nav-links,.nav-cta { display:none }
  .hamburger { display:flex }
  .cells,.steps { grid-template-columns:1fr }
  .spec-row { grid-template-columns:1fr; gap:.5rem }
  .ff-row { grid-template-columns:1fr; gap:0 }
  .f-grid { grid-template-columns:1fr }
  .f-nl { flex-direction:column; align-items:flex-start }
  .f-nl-form { flex-direction:column; width:100% }
  .f-nl-form input { min-width:0 }
  .acc-btn { grid-template-columns:auto 1fr auto; gap:.875rem }
  .acc-a { padding-left:0; padding-right:0 }
  .hero { min-height:auto; padding-top:9rem }
}
@media(max-width:480px) {
  .stats-grid { grid-template-columns:1fr }
  .aud-row { grid-template-columns:1fr }
  .aud-desc { grid-column:1 }
}

/* ── REDUCED MOTION ─────────────────────────── */
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto }
  *,*::before,*::after {
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .rev { opacity:1; transform:none }
  .ds-track { animation:none }
  #neuroCanvas { display:none }
}