/*
Theme Name: Chem Track
*/

:root{
  /* brand */
  --navy:#1B3A5C;
  --navy-ink:#0E2033;
  --teal:#2E9B9B;
  --teal-ink:#20706F;      /* teal readable as text on light */
  --teal-lift:#57C0BE;     /* teal readable as small text on navy */
  --orange:#E07020;
  --purple:#7B5EA7;
  --green:#5B9A4D;

  /* product semantics (used only inside visualisations) */
  --red:#C4634F;
  --amber:#D4A853;

  /* neutrals */
  --charcoal:#374151;
  --red-ink:#A2412F;      /* AA-безопасный красный для мелкого текста */
  --orange-ink:#9C5210;   /* AA-безопасный оранжевый для мелкого текста */
  --grey:#5E6675;
  --light:#5F6875;
  --hair:#E5E7EB;
  --offwhite:#F8F6F4;
  --ice:#EEF2F6;
  --white:#FFFFFF;

  /* type */
  --display:Arial, 'Helvetica Neue', Helvetica, sans-serif;
  --body:Arial, 'Helvetica Neue', Helvetica, sans-serif;
  --mono:Arial, 'Helvetica Neue', Helvetica, sans-serif;

  /* motion */
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.6s;

  /* layout */
  --gut:clamp(20px, 5vw, 64px);
  --max:1280px;
  --head-h:68px;

  /* depth */
  --r:4px;
  --sh-1:0 1px 2px rgba(27,58,92,.05), 0 10px 28px -16px rgba(27,58,92,.25);
  --sh-2:0 40px 90px -50px rgba(27,58,92,.55), 0 2px 6px rgba(27,58,92,.06);
  --navy-deep:#12293F;
}

/* Dark contexts: keep the original light greys — they meet AA on navy */
.band--dark, .foot, .device-top, .eyebrow--dark, .note--dark{
  --grey:#A9B4C4;
  --light:#9CA3AF;
}


*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--white);
  color:var(--charcoal);
  font-family:var(--body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;}
a{color:var(--teal-ink);text-decoration:none;}
a:hover{color:var(--navy);}
::selection{background:var(--teal);color:#fff;}

:focus-visible{
  outline:2px solid var(--teal-ink);
  outline-offset:3px;
  border-radius:2px;
}

/* ============================================================
   TYPE SCALE
   ============================================================ */
h1,h2,h3,h4{font-family:var(--display);color:var(--navy);margin:0;line-height:1.05;letter-spacing:-.02em;font-weight:700;}
h1{font-size:clamp(38px,5.4vw,68px);font-weight:800;letter-spacing:-.035em;}
h2{font-size:clamp(30px,3.6vw,46px);letter-spacing:-.03em;}
h3{font-size:clamp(19px,1.4vw,22px);letter-spacing:-.01em;}
p{margin:0 0 18px;}
.lead{font-size:clamp(18px,1.35vw,21px);line-height:1.55;color:var(--charcoal);}
.eyebrow{
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--grey);
  margin:0 0 18px;
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;background:var(--teal);
  flex:none;
}
.eyebrow--dark{color:var(--teal-lift);}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.tbl td,.kpi .v,.stat b,.svg-num,.opts--qty .opt{font-variant-numeric:tabular-nums;}
.muted{color:var(--grey);}
.form-hint{
  font-size:12.5px;
  color:var(--light);
  line-height:1.5;
}

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut);width:100%;}
section{scroll-margin-top:calc(var(--head-h) + 8px);}
.band{padding:clamp(72px,9vw,132px) 0;position:relative;}
.band--tint{background:var(--offwhite);}
.band--ice{background:var(--ice);}
.band--dark{
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:var(--ice);
}
.band--dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px, rgba(255,255,255,.07) 1px, transparent 0);
  background-size:26px 26px;
}
.band--dark > .wrap{position:relative;z-index:1;}
.band--dark h2,.band--dark h3{color:#fff;}
.rule{height:1px;background:var(--hair);border:0;margin:0;}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--body);font-size:15px;font-weight:600;
  padding:14px 22px;
  border:1px solid transparent;
  border-radius:2px;
  cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
  line-height:1;
  text-align:left;
}
.btn-primary{background:var(--teal);color:var(--navy-ink);}
.btn-primary:hover{background:var(--navy);color:#fff;}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--hair);}
.btn-ghost:hover{border-color:var(--navy);color:var(--navy);background:var(--white);}
.btn-ghost--dark{color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost--dark:hover{border-color:var(--teal-lift);color:#fff;background:transparent;}
.btn .arw{transition:transform var(--dur) var(--ease);}
.btn:hover .arw{transform:translateX(3px);}

/* ============================================================
   HEADER
   ============================================================ */
.head{
  position:sticky;top:0;z-index:60;
  height:var(--head-h);
  display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:background .35s var(--ease),border-color .35s var(--ease),height .35s var(--ease);
}
.head.is-stuck{
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom-color:var(--hair);
  height:58px;
}
.head .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;color:var(--navy);}
.wordmark{display:block;height:30px;width:auto;}
.foot .wordmark{height:28px;}
@media (max-width:520px){.wordmark{height:26px;}}
.brand:hover{color:var(--navy);}
.brand-name{
  font-family:var(--display);font-weight:800;font-size:19px;
  letter-spacing:-.02em;
}
.brand-name span{color:var(--teal-ink);}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  font-size:14px;font-weight:500;color:var(--grey);
  padding:8px 12px;border-radius:2px;position:relative;
  transition:color .25s var(--ease);
}
.nav a:hover{color:var(--navy);}
.nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:1px;
  background:var(--teal);transform:scaleX(0);transform-origin:left;
  transition:transform .35s var(--ease);
}
.nav a.is-active{color:var(--navy);}
.nav a.is-active::after{transform:scaleX(1);}
/* the CTA inside the nav must not inherit the plain nav-link rules */
.nav a.btn{margin-left:14px;padding:11px 18px;font-size:14px;font-weight:600;}
.nav a.btn::after{display:none;}
.nav a.btn-primary{color:var(--navy-ink);}
.nav a.btn-primary:hover{color:#fff;background:var(--navy);}
.burger{
  display:none;width:42px;height:42px;border:1px solid var(--hair);background:#fff;
  border-radius:2px;cursor:pointer;padding:0;position:relative;
}
.burger i{
  position:absolute;left:11px;right:11px;height:1.5px;background:var(--navy);
  transition:transform .35s var(--ease),opacity .2s var(--ease);
}
.burger i:nth-child(1){top:15px;}
.burger i:nth-child(2){top:20px;}
.burger i:nth-child(3){top:25px;}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(5px) rotate(45deg);}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
.mobile-nav{
  position:fixed;inset:var(--head-h) 0 auto 0;z-index:55;
  background:#fff;border-bottom:1px solid var(--hair);
  padding:14px var(--gut) 26px;
  display:none;flex-direction:column;gap:2px;
}
.mobile-nav.is-open{display:flex;}
.mobile-nav a{
  font-family:var(--display);font-weight:600;font-size:20px;color:var(--navy);
  padding:12px 0;border-bottom:1px solid var(--hair);
}
.mobile-nav a.btn{margin-top:18px;justify-content:center;border-bottom:0;color:var(--navy-ink);}
.mobile-nav a.btn:hover{color:#fff;}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:clamp(48px,7vw,92px) 0 clamp(56px,7vw,104px);position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:0;right:0;width:44%;height:100%;
  background:var(--offwhite);z-index:0;
}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,6fr);
  gap:clamp(32px,4vw,72px);align-items:center;
  position:relative;z-index:1;
}
.hero h1{margin-bottom:24px;}
.hero h1 em{font-style:normal;color:var(--teal-ink);}
.hero .lead{max-width:36em;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-visual{position:relative;}
.hero-visual .note{margin-left:24px;}

/* ============================================================
   NOTE — the honest caption under every visual.
   Plain sentence, body font, one teal rule. No labels, no numbering.
   ============================================================ */
.note{
  margin-top:18px;padding-left:14px;
  border-left:2px solid var(--teal);
  font-family:var(--body);font-size:13.5px;line-height:1.65;
  letter-spacing:0;text-transform:none;font-weight:400;
  color:var(--grey);
  max-width:60ch;
}
.note strong{font-weight:600;color:var(--navy);}
.note--dark{border-left-color:var(--teal-lift);color:#8FA3B6;}
.note--dark strong{color:#DCE6EE;}

/* chip — states a fact about the thing it sits on */
.chip{
  flex:none;font-size:11.5px;font-weight:600;line-height:1;
  color:#A8551C;background:rgba(224,112,32,.10);
  padding:6px 10px;border-radius:2px;white-space:nowrap;
}

/* ============================================================
   REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(18px);}
.reveal.is-in{
  opacity:1;transform:none;
  transition:opacity .8s var(--ease),transform .8s var(--ease);
  transition-delay:var(--d,0ms);
}

/* ============================================================
   PROBLEM
   ============================================================ */
.split{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:clamp(28px,4vw,80px);align-items:start;
}
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--hair);
  border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);
  margin-top:clamp(48px,5vw,72px);
}
.stat{background:var(--white);padding:26px 22px 24px;}
.band--tint .stat{background:var(--offwhite);}
.stat b{
  display:block;font-family:var(--display);font-weight:700;
  font-size:clamp(30px,3vw,42px);letter-spacing:-.03em;color:var(--navy);
  line-height:1;margin-bottom:10px;
}
.stat i{
  font-style:normal;display:block;font-size:14px;color:var(--grey);line-height:1.45;
}
.stat.is-accent b{color:var(--orange);}

/* timeline figure */
.figure{margin:clamp(48px,5vw,76px) 0 0;}
.sources{
  margin-top:26px;font-family:var(--mono);font-size:11px;line-height:1.9;color:var(--light);
}
.sources a{color:var(--grey);border-bottom:1px solid var(--hair);}
.sources a:hover{color:var(--navy);border-bottom-color:var(--navy);}

/* ============================================================
   MARKET BAND (dark)
   ============================================================ */
.band--dark .lead{color:#C9D6E2;}
.market-grid{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:clamp(32px,4vw,72px);align-items:center;
}
.ring-legend{list-style:none;margin:30px 0 0;padding:0;}
.ring-legend li{
  display:flex;gap:14px;align-items:baseline;
  padding:14px 0;border-top:1px solid rgba(255,255,255,.12);
}
.ring-legend li:last-child{border-bottom:1px solid rgba(255,255,255,.12);}
.ring-legend .k{
  font-family:var(--mono);font-size:12px;color:#fff;flex:none;width:96px;letter-spacing:.02em;
}
.ring-legend .v{font-size:14.5px;color:#AFC0D0;line-height:1.5;}
.ring-legend .v b{color:#fff;font-weight:600;}
.ring-legend li.is-ours .k{color:var(--teal-lift);}

/* ============================================================
   METHOD / CHECKS
   ============================================================ */
.checks{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;background:var(--hair);margin-top:clamp(40px,4vw,60px);
  border-top:1px solid var(--hair);
}
.check{background:var(--white);padding:30px 26px 32px;position:relative;}
.check .n{
  font-family:var(--mono);font-size:12px;color:var(--teal-ink);letter-spacing:.1em;
  display:block;margin-bottom:18px;
}
.check h3{margin-bottom:10px;}
.check p{font-size:15px;color:var(--grey);margin:0;}
.check::before{
  content:"";position:absolute;top:-1px;left:0;width:0;height:2px;background:var(--teal);
  transition:width .9s var(--ease);
}
.check.is-in::before{width:100%;transition-delay:var(--d,0ms);}

.calib{
  margin-top:clamp(40px,4vw,56px);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(24px,3vw,56px);
  padding-top:34px;border-top:1px solid var(--hair);
}
.calib p{margin:0;font-size:15.5px;color:var(--grey);}
.calib .k{
  font-family:var(--display);font-weight:700;color:var(--navy);font-size:17px;
  display:block;margin-bottom:8px;letter-spacing:-.01em;
}

/* ============================================================
   INTERACTIVE CHECKER
   ============================================================ */
.checker{
  margin-top:clamp(48px,5vw,76px);
  border:1px solid var(--hair);background:var(--white);
}
.checker-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:14px 20px;border-bottom:1px solid var(--hair);background:var(--offwhite);
}
.checker-head .t{
  font-family:var(--display);font-weight:700;font-size:16px;letter-spacing:-.01em;color:var(--navy);
}
.checker-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);}
.checker-inputs{padding:clamp(22px,2.4vw,34px);border-right:1px solid var(--hair);}
.checker-out{padding:clamp(22px,2.4vw,34px);background:var(--offwhite);}
.field{margin-bottom:26px;}
.field:last-child{margin-bottom:0;}
.field > .lbl{
  display:block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--grey);margin-bottom:12px;
}
.opts{display:flex;flex-wrap:wrap;gap:8px;}
.opt{
  border:1px solid var(--hair);background:#fff;border-radius:2px;
  padding:10px 12px;cursor:pointer;text-align:left;
  font-family:var(--body);font-size:14px;color:var(--charcoal);
  transition:border-color .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
  display:flex;flex-direction:column;gap:3px;min-width:0;
}
.opt em{
  display:block;
  font-style:normal;font-family:var(--mono);font-size:10.5px;color:var(--light);letter-spacing:.04em;
  line-height:1.45;
}
.opt:hover{border-color:var(--navy);}
.opt[aria-pressed="true"]{border-color:var(--teal);background:rgba(46,155,155,.08);color:var(--navy);font-weight:600;}
.opt[aria-pressed="true"] em{color:var(--teal-ink);}
.opts--qty .opt{flex:1;align-items:center;font-family:var(--mono);font-size:13px;}
.opts--sub{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));}
.opts--zone{display:grid;grid-template-columns:1fr;}
.opts--zone .opt{flex-direction:row;align-items:center;justify-content:space-between;gap:12px;}
.opts--zone .opt > span:first-child{display:flex;flex-direction:column;gap:3px;min-width:0;}
.zone-fill{
  display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10.5px;color:var(--light);flex:none;
}
.zone-fill .bar{width:44px;height:4px;background:var(--hair);position:relative;overflow:hidden;}
.zone-fill .bar i{position:absolute;inset:0 auto 0 0;background:var(--navy);}

/* verdict */
.verdict{
  border:1px solid var(--hair);background:#fff;padding:20px;
  display:flex;align-items:flex-start;gap:16px;margin-bottom:22px;
  border-left:3px solid var(--light);
}
.verdict .dot{width:11px;height:11px;border-radius:50%;background:var(--light);margin-top:7px;flex:none;}
.verdict > span:last-child{display:block;min-width:0;}
.verdict .vt{display:block;font-family:var(--display);font-weight:800;font-size:24px;letter-spacing:-.02em;color:var(--navy);line-height:1.1;}
.verdict .vs{display:block;font-size:14.5px;color:var(--grey);margin-top:6px;line-height:1.5;}
.verdict.v-cleared{border-left-color:var(--green);}
.verdict.v-cleared .dot{background:var(--green);}
.verdict.v-review{border-left-color:var(--amber);}
.verdict.v-review .dot{background:var(--amber);}
.verdict.v-blocked{border-left-color:var(--red);}
.verdict.v-blocked .dot{background:var(--red);}

.trace{list-style:none;margin:0;padding:0;}
.trace li{
  display:grid;grid-template-columns:26px 1fr;gap:12px;
  padding:14px 0;border-top:1px solid var(--hair);
}
.trace li:first-child{border-top:0;}
.trace .ic{
  width:20px;height:20px;border-radius:50%;border:1.5px solid var(--hair);
  display:flex;align-items:center;justify-content:center;margin-top:2px;
  font-family:var(--mono);font-size:11px;font-weight:600;color:var(--light);
}
.trace .ic.ok{border-color:var(--green);color:var(--green);}
.trace .ic.warn{border-color:var(--amber);color:var(--amber);}
.trace .ic.bad{border-color:var(--red);color:var(--red-ink);}
.trace .ttl{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:3px;}
.trace .rl{display:block;font-family:var(--mono);font-size:11px;color:var(--teal-ink);letter-spacing:.04em;margin-bottom:4px;}
.trace .tx{display:block;font-size:13.5px;color:var(--grey);line-height:1.5;}
.evidence{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--hair);
  font-family:var(--mono);font-size:10.5px;line-height:1.9;color:var(--light);
  letter-spacing:.03em;
}
.evidence b{color:var(--grey);font-weight:500;}

/* ============================================================
   PLATFORM / PRODUCT
   ============================================================ */
.tabs{display:flex;gap:0;margin-top:clamp(36px,4vw,52px);border-bottom:1px solid var(--hair);}
.tab{
  background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;
  padding:12px 2px;margin-right:28px;cursor:pointer;
  font-family:var(--body);font-size:15px;font-weight:600;color:var(--grey);
  transition:color .3s var(--ease),border-color .3s var(--ease);
}
.tab[aria-selected="true"]{color:var(--navy);border-bottom-color:var(--teal);}
.tab:hover{color:var(--navy);}

.app{
  margin-top:26px;border:1px solid var(--hair);background:#fff;
  box-shadow:0 24px 60px -40px rgba(27,58,92,.35);
}
.app-chrome{
  display:flex;align-items:center;gap:12px;padding:11px 16px;
  border-bottom:1px solid var(--hair);background:var(--offwhite);
}
.app-chrome .dots{display:flex;gap:6px;}
.app-chrome .dots i{width:8px;height:8px;border-radius:50%;background:var(--hair);display:block;}
.app-chrome .url{
  font-family:var(--mono);font-size:11px;color:var(--light);
  background:#fff;border:1px solid var(--hair);padding:4px 10px;flex:1;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.app-pane{padding:clamp(20px,2.4vw,30px);}
.app-pane[hidden]{display:none;}

.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--hair);border:1px solid var(--hair);}
.kpi{background:#fff;padding:18px;}
.kpi .k{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--light);margin-bottom:10px;display:block;}
.kpi .v{font-family:var(--display);font-weight:700;font-size:26px;color:var(--navy);letter-spacing:-.02em;line-height:1;}
.kpi .v small{font-size:13px;font-weight:500;color:var(--grey);margin-left:4px;letter-spacing:0;}
.kpi.k-warn .v{color:var(--orange);}

.tbl{width:100%;border-collapse:collapse;margin-top:22px;}
.tbl caption{
  text-align:left;font-size:14px;font-weight:600;color:var(--navy);padding-bottom:14px;
}
.tbl th{
  text-align:left;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--light);font-weight:500;padding:0 12px 10px 0;border-bottom:1px solid var(--hair);
}
.tbl td{
  padding:14px 12px 14px 0;border-bottom:1px solid var(--hair);font-size:14px;color:var(--charcoal);
  vertical-align:middle;
}
.tbl tbody tr{opacity:0;transform:translateY(6px);}
.tbl tbody tr.is-in{opacity:1;transform:none;transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:var(--d,0ms);}
.tbl .rule-id{font-family:var(--mono);font-size:12px;color:var(--teal-ink);}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 9px;border:1px solid var(--hair);color:var(--charcoal);white-space:nowrap;
}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--light);flex:none;}
.pill.p-blocked::before{background:var(--red);}
.pill.p-review::before{background:var(--amber);}
.pill.p-cleared::before{background:var(--green);}

/* operator pane */
.op{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:start;}
.op-device{border:1px solid var(--hair);background:var(--offwhite);padding:16px;}
.op-card{background:#fff;border:1px solid var(--hair);padding:18px;}
.op-card .h{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--light);margin-bottom:14px;}
.op-card .sub{font-family:var(--display);font-weight:700;font-size:19px;color:var(--navy);letter-spacing:-.02em;}
.op-card .cas{font-family:var(--mono);font-size:11px;color:var(--light);margin-top:4px;}
.op-arrow{
  display:flex;align-items:center;gap:10px;margin:16px 0;
  font-family:var(--mono);font-size:11px;color:var(--grey);letter-spacing:.06em;
}
.op-arrow i{flex:1;height:1px;background:var(--hair);display:block;}
.op-verdict{
  border:1px solid var(--red);border-left-width:3px;padding:14px;background:rgba(196,99,79,.05);
}
.op-verdict .vt{font-family:var(--display);font-weight:800;font-size:18px;color:var(--navy);letter-spacing:-.02em;}
.op-verdict .rl{font-family:var(--mono);font-size:11px;color:var(--red-ink);margin-top:6px;}
.op-verdict .tx{font-size:13.5px;color:var(--charcoal);margin-top:8px;line-height:1.5;}
.op-alt{margin-top:14px;padding-top:14px;border-top:1px solid var(--hair);font-size:13px;color:var(--grey);}
.op-alt b{color:var(--navy);font-weight:600;}
.op-btns{display:flex;gap:8px;margin-top:16px;}
.op-btns .btn{flex:1;justify-content:center;padding:11px 12px;font-size:13px;}
.op-notes .k{font-family:var(--display);font-weight:700;color:var(--navy);font-size:17px;margin-bottom:8px;letter-spacing:-.01em;}
.op-notes p{font-size:15px;color:var(--grey);}

/* modules accordion */
.modules{margin-top:clamp(56px,6vw,88px);display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(24px,4vw,72px);align-items:start;}
.acc{border-top:1px solid var(--hair);}
.acc-item{border-bottom:1px solid var(--hair);}
.acc-btn{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;gap:18px;padding:22px 0;
  font-family:var(--display);font-weight:700;font-size:clamp(18px,1.6vw,21px);color:var(--navy);
  letter-spacing:-.01em;
}
.acc-btn .n{font-family:var(--mono);font-size:12px;color:var(--light);font-weight:500;letter-spacing:.06em;flex:none;}
.acc-btn .plus{margin-left:auto;width:14px;height:14px;position:relative;flex:none;}
.acc-btn .plus::before,.acc-btn .plus::after{
  content:"";position:absolute;background:var(--navy);transition:transform .45s var(--ease);
}
.acc-btn .plus::before{top:6px;left:0;width:14px;height:1.5px;}
.acc-btn .plus::after{left:6px;top:0;height:14px;width:1.5px;}
.acc-btn[aria-expanded="true"] .plus::after{transform:rotate(90deg);}
.acc-btn[aria-expanded="true"] .n{color:var(--teal-ink);}
.acc-panel{overflow:hidden;height:0;transition:height .5s var(--ease);}
.acc-panel .in{padding:0 0 24px 42px;max-width:60ch;}
.acc-panel p{font-size:15.5px;color:var(--grey);margin:0;}

/* security strip */
.sec-strip{
  margin-top:clamp(56px,6vw,88px);padding:28px 0;
  border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);
  display:flex;flex-wrap:wrap;gap:14px 34px;align-items:center;
}
.sec-strip .lbl{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--navy);
  margin-right:8px;
}
.sec-strip span{
  font-family:var(--mono);font-size:11.5px;color:var(--grey);display:flex;align-items:center;gap:8px;letter-spacing:.02em;
}
.sec-strip span::before{content:"";width:4px;height:4px;background:var(--teal);flex:none;transform:rotate(45deg);}

/* ============================================================
   TEAM
   ============================================================ */
.people{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--hair);border:1px solid var(--hair);margin-top:clamp(40px,4vw,56px);}
.person{background:var(--white);padding:clamp(26px,2.6vw,38px);}
.person .top{display:flex;align-items:center;gap:22px;margin-bottom:24px;}
.pf{
  width:clamp(124px,10vw,148px);height:clamp(124px,10vw,148px);flex:none;border-radius:50%;
  background:radial-gradient(circle at 34% 28%, #FFFFFF 0%, var(--offwhite) 46%, #E7EDF2 100%);
  border:1px solid var(--hair);box-shadow:inset 0 0 0 6px #fff, var(--sh-1);
  display:flex;align-items:center;justify-content:center;
  font-size:clamp(30px,2.6vw,36px);font-weight:700;letter-spacing:.05em;color:var(--navy);
}
.top .pf{
    overflow: hidden;
}
.top .pf img{
    object-fit: cover;
    object-position: 0 15px;
}
.pf--teal{color:var(--teal-ink);box-shadow:inset 0 0 0 6px #fff, 0 0 0 1px rgba(46,155,155,.35), var(--sh-1);}
.person .nm{font-family:var(--display);font-weight:800;font-size:22px;color:var(--navy);letter-spacing:-.02em;line-height:1.1;}
.person .rl{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-ink);margin-top:5px;}
.person p{font-size:15px;color:var(--grey);margin:0 0 14px;}
.person p:last-child{margin-bottom:0;}
.person .own{
  font-family:var(--mono);font-size:11px;color:var(--light);letter-spacing:.04em;
  padding-top:14px;border-top:1px solid var(--hair);margin-top:18px;line-height:1.7;
}

.roadmap{margin-top:clamp(48px,5vw,72px);border-top:1px solid var(--hair);padding-top:34px;}
.roadmap .hd{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);margin-bottom:24px;}
.rm-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--hair);}
.rm{background:var(--white);padding:22px 20px;}
.rm .d{font-family:var(--mono);font-size:12px;color:var(--orange-ink);letter-spacing:.06em;margin-bottom:10px;font-weight:500;}
.rm p{font-size:14px;color:var(--grey);margin:0;line-height:1.5;}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,5vw,88px);align-items:start;}
.form{margin-top:30px;}
.frow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.f{margin-bottom:18px;}
.f label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--grey);margin-bottom:8px;}
.f input,.f select,.f textarea{
  width:100%;font-family:var(--body);font-size:15px;color:var(--charcoal);
  background:#fff;border:1px solid var(--hair);border-radius:2px;padding:12px 13px;
  transition:border-color .3s var(--ease);
}
.f textarea{min-height:110px;resize:vertical;}
.f input:hover,.f select:hover,.f textarea:hover{border-color:var(--light);}
.f input:focus,.f select:focus,.f textarea:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px rgba(46,155,155,.14);}
.f .err{
  display:none;font-family:var(--mono);font-size:11px;color:var(--red);margin-top:7px;letter-spacing:.03em;
}
.f.is-bad input,.f.is-bad select,.f.is-bad textarea{border-color:var(--red);}
.f.is-bad .err{display:block;}
.form-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:8px;}
.form-foot .note{max-width:32ch;}
.form-done{
  display:none;border:1px solid var(--teal);border-left-width:3px;
  background:rgba(46,155,155,.07);padding:24px;margin-top:30px;
}
.form-done.is-on{display:block;}
.form-done .h{font-family:var(--display);font-weight:700;font-size:20px;color:var(--navy);margin-bottom:8px;letter-spacing:-.02em;}
.form-done p{font-size:15px;color:var(--charcoal);margin:0;}
.form-done a{border-bottom:1px solid var(--teal);}

.contact-side{border-left:1px solid var(--hair);padding-left:clamp(20px,2.5vw,40px);}
.cs-item{padding:20px 0;border-bottom:1px solid var(--hair);}
.cs-item:first-child{padding-top:0;}
.cs-item .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--light);margin-bottom:8px;}
.cs-item .v{font-size:16px;color:var(--navy);font-weight:600;}
.cs-item .v a{color:var(--navy);border-bottom:1px solid var(--teal);}
.cs-item .v a:hover{color:var(--teal-ink);}
.cs-item p{font-size:14px;color:var(--grey);margin:6px 0 0;}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{background:var(--navy-ink);color:#8FA3B6;padding:clamp(56px,6vw,84px) 0 28px;}
.foot-top{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,5vw,72px);padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.foot .brand-name{color:#fff;font-size:21px;}
.foot .brand-name span{color:var(--teal-lift);}
.foot-pos{margin-top:18px;color:#A9BACA;font-size:15.5px;max-width:34ch;line-height:1.6;}
.foot-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.foot-nav .col h4{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:#8FA6BC;font-weight:500;margin-bottom:14px;
}
.foot-nav ul{list-style:none;margin:0;padding:0;}
.foot-nav li{margin-bottom:9px;}
.foot-nav a{color:#C3D0DC;font-size:14.5px;}
.foot-nav a:hover{color:#fff;}
.foot-bot{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:26px;
}
.foot-bot .mono{font-size:11px;color:#8FA6BC;letter-spacing:.06em;}
.foot-bot .lk{display:flex;gap:22px;align-items:center;}
.foot-bot .lk a{color:#C3D0DC;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;}
.foot-bot .lk a:hover{color:var(--teal-lift);}

/* ============================================================
   SVG SHARED
   ============================================================ */
.draw{stroke-dasharray:var(--len,1000);stroke-dashoffset:var(--len,1000);}
.is-drawn .draw{stroke-dashoffset:0;transition:stroke-dashoffset 1.6s var(--ease);transition-delay:var(--d,0ms);}
#chain.is-drawn .draw{transition-duration:.9s;}
.fade{opacity:0;}
.is-drawn .fade{opacity:1;transition:opacity .7s var(--ease);transition-delay:var(--d,0ms);}
.svg-label{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;}
.svg-text{font-family:var(--body);font-size:12px;letter-spacing:0;}
.svg-num{font-family:var(--display);font-weight:700;letter-spacing:-.02em;}

/* ============================================================
   HERO DEVICE — the check, rendered as the product will render it
   ============================================================ */
.device{
  background:var(--white);border:1px solid var(--hair);border-radius:6px;
  box-shadow:var(--sh-2);overflow:hidden;position:relative;
}
.device-top{
  display:flex;align-items:center;gap:10px;padding:13px 18px;
  background:linear-gradient(140deg,var(--navy) 0%,var(--navy-deep) 100%);
}
.device-top .live{
  width:7px;height:7px;border-radius:50%;background:var(--teal-lift);flex:none;
  box-shadow:0 0 0 3px rgba(87,192,190,.18);
}
.device-top .t{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#A9C0D3;}
.device-top .z{margin-left:auto;font-size:11.5px;color:#7E9BB4;letter-spacing:.04em;}
.device-body{padding:24px 24px 20px;}

.subject{display:flex;align-items:center;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--hair);}
.haz{
  width:46px;height:46px;flex:none;transform:rotate(45deg);
  border:2px solid var(--red);background:#FDF4F2;border-radius:3px;
  display:flex;align-items:center;justify-content:center;
}
.haz span{transform:rotate(-45deg);font-size:17px;font-weight:700;color:var(--red);line-height:1;}
.subject .nm{font-size:19px;font-weight:700;color:var(--navy);letter-spacing:-.01em;}
.subject .mt{font-size:12.5px;color:var(--light);margin-top:4px;}
.subject .qty{
  margin-left:auto;text-align:right;font-size:12.5px;color:var(--grey);
  font-variant-numeric:tabular-nums;
}
.subject .qty b{display:block;font-size:18px;color:var(--navy);letter-spacing:-.01em;}

.checkrow{
  display:grid;grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:14px;
  padding:15px 0;border-bottom:1px solid var(--hair);
}
.checkrow .ic{
  width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;
}
.checkrow.ok .ic{background:var(--green);}
.checkrow.bad .ic{background:var(--red);}
.checkrow .lb{font-size:14px;color:var(--charcoal);}
.checkrow .lb i{display:block;font-style:normal;font-size:12px;color:var(--light);margin-top:3px;}
.checkrow .rl{font-size:11.5px;letter-spacing:.06em;color:var(--light);white-space:nowrap;}
.checkrow.bad .rl{color:var(--red-ink);}

.verdict-block{
  margin-top:20px;display:flex;align-items:center;gap:16px;
  background:#FDF4F2;border-left:3px solid var(--red);padding:16px 18px;border-radius:0 3px 3px 0;
}
.verdict-block .vv{font-size:17px;font-weight:700;color:var(--red-ink);letter-spacing:.02em;}
.verdict-block .vd{font-size:13px;color:var(--charcoal);margin-top:3px;line-height:1.45;}
.device-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:13px 24px;background:var(--offwhite);border-top:1px solid var(--hair);
  font-size:11.5px;color:var(--light);
}
.device-foot b{color:var(--grey);font-weight:400;}
.alt-block{
  margin-top:10px;display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 12px;
  background:#F3F8F1;border-left:3px solid var(--green);padding:13px 18px;border-radius:0 3px 3px 0;
}
.alt-block .k{
  flex-basis:100%;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--light);
  margin-bottom:3px;
}
.alt-block .v{font-size:14px;font-weight:700;color:var(--navy);}
.alt-block .s{font-size:12.5px;color:var(--grey);}

/* ============================================================
   ARCHITECTURE — three layers, then one placement end to end
   ============================================================ */
.layers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:clamp(40px,4vw,60px);}
.layer{
  background:var(--white);border:1px solid var(--hair);border-top:3px solid var(--teal);
  border-radius:var(--r);padding:30px 26px 26px;box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.layer:nth-child(2){border-top-color:var(--purple);}
.layer:nth-child(3){border-top-color:var(--orange);}
.layer:hover{transform:translateY(-3px);box-shadow:0 1px 2px rgba(27,58,92,.05),0 22px 44px -22px rgba(27,58,92,.32);}
.layer .kick{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--light);}
.layer h3{margin:12px 0 12px;font-size:21px;}
.layer p{font-size:14.5px;color:var(--grey);line-height:1.6;margin:0;}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px;}
.chip-tech{
  font-size:11.5px;color:var(--navy);background:var(--ice);
  padding:6px 10px;border-radius:3px;white-space:nowrap;
}
.chip-tech.is-key{background:rgba(46,155,155,.12);color:var(--teal-ink);font-weight:700;}

.cycle-hd{
  margin-top:clamp(52px,5vw,76px);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--light);padding-bottom:26px;border-bottom:1px solid var(--hair);
}
.cycle{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;position:relative;margin-top:36px;}
.cycle::before{
  content:"";position:absolute;top:16px;left:8%;right:8%;height:1px;background:var(--hair);
}
.step{padding:0 12px;position:relative;text-align:center;}
.step .n{
  width:33px;height:33px;border-radius:50%;margin:0 auto 16px;
  background:var(--white);border:1px solid var(--teal);color:var(--teal-ink);
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;
  position:relative;z-index:1;
}
.step h4{font-size:14.5px;margin-bottom:7px;}
.step p{font-size:12.5px;color:var(--grey);line-height:1.5;margin:0;}
.band--ice .step .n{background:var(--ice);}

/* ============================================================
   DIFFERENTIATORS — numbered grid
   ============================================================ */
.diffgrid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  background:var(--hair);border:1px solid var(--hair);margin-top:clamp(40px,4vw,60px);
}
.diff{background:var(--white);padding:34px 30px 32px;position:relative;transition:background var(--dur) var(--ease);}
.diff:hover{background:var(--offwhite);}
.diff .n{
  font-size:13px;font-weight:700;color:var(--teal);letter-spacing:.08em;
  display:block;margin-bottom:16px;
}
.diff h3{font-size:18px;margin-bottom:10px;}
.diff p{font-size:14px;color:var(--grey);line-height:1.6;margin:0;}
.diff::after{
  content:"";position:absolute;left:0;top:0;width:2px;height:0;background:var(--teal);
  transition:height var(--dur) var(--ease);
}
.diff:hover::after{height:100%;}

/* ============================================================
   PURPOSE — pull quote
   ============================================================ */
.quote{max-width:900px;}
.quote blockquote{
  margin:0;font-size:clamp(22px,2.5vw,34px);line-height:1.35;letter-spacing:-.02em;
  font-weight:700;color:#fff;
}
.quote blockquote em{font-style:normal;color:var(--teal-lift);}
.quote .by{margin-top:26px;font-size:13px;color:#8FA3B6;letter-spacing:.04em;}

/* ============================================================
   LADDER — what the engine does when it is not certain
   ============================================================ */
.ladder{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--hair);border:1px solid var(--hair);margin-top:clamp(36px,4vw,52px);}
.rung{background:var(--white);padding:26px 24px 24px;border-top:3px solid var(--green);}
.rung:nth-child(2){border-top-color:var(--amber);}
.rung:nth-child(3){border-top-color:var(--red);}
.rung:nth-child(4){border-top-color:var(--purple);}
.rung .lv{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--light);margin-bottom:12px;}
.rung h4{font-size:16px;margin-bottom:9px;}
.rung p{font-size:13.5px;color:var(--grey);line-height:1.55;margin:0;}

/* ============================================================
   BADGES — the compliance surface
   ============================================================ */
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.badge{
  display:flex;align-items:center;gap:9px;
  border:1px solid rgba(255,255,255,.16);border-radius:3px;padding:10px 14px;
  font-size:12.5px;color:#DCE6EE;background:rgba(255,255,255,.04);
}
.badge::before{content:"";width:6px;height:6px;background:var(--teal-lift);border-radius:50%;flex:none;}

/* ============================================================
   AUDIENCE — three ways in
   ============================================================ */
.aud{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:clamp(40px,4vw,60px);}
.aud-card{
  background:var(--white);border:1px solid var(--hair);border-radius:var(--r);
  padding:30px 28px 26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
}
.aud-card .tag{
  align-self:flex-start;font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
  color:var(--teal-ink);background:rgba(46,155,155,.12);padding:6px 10px;border-radius:3px;
}
.aud-card:nth-child(2) .tag{color:#6B4E96;background:rgba(123,94,167,.12);}
.aud-card:nth-child(3) .tag{color:#B0561A;background:rgba(224,112,32,.10);}
.aud-card h3{margin:18px 0 12px;font-size:19px;}
.aud-card > p{font-size:14px;color:var(--grey);line-height:1.6;margin:0 0 18px;}
.aud-list{list-style:none;margin:0 0 22px;padding:0;}
.aud-list li{
  position:relative;padding-left:20px;font-size:13.5px;color:var(--charcoal);
  line-height:1.55;margin-bottom:10px;
}
.aud-list li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:1px;background:var(--teal);
}
.aud-stats{margin-top:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--hair);border:1px solid var(--hair);}
.aud-stats div{background:var(--offwhite);padding:14px;}
.aud-stats b{display:block;font-size:18px;color:var(--navy);letter-spacing:-.02em;font-variant-numeric:tabular-nums;}
.aud-stats span{display:block;font-size:11.5px;color:var(--grey);margin-top:5px;line-height:1.4;}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .nav{display:none;}
  .burger{display:block;}
  .head.is-stuck{height:var(--head-h);}
  .hero-grid,.split,.market-grid,.contact-grid,.modules,.op{grid-template-columns:1fr;}
  .layers,.aud{grid-template-columns:1fr;}
  .diffgrid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cycle{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:36px;}
  .cycle::before{display:none;}
  .ladder{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero::before{display:none;}
  .checker-body{grid-template-columns:1fr;}
  .checker-inputs{border-right:0;border-bottom:1px solid var(--hair);}
  .contact-side{border-left:0;padding-left:0;border-top:1px solid var(--hair);padding-top:28px;margin-top:8px;}
  .foot-top{grid-template-columns:1fr;}
}
@media (max-width:820px){
  body{font-size:16px;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .checks{grid-template-columns:1fr;}
  .diffgrid{grid-template-columns:1fr;}
  .cycle{grid-template-columns:repeat(2,minmax(0,1fr));}
  .calib{grid-template-columns:1fr;}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr));}
  .people{grid-template-columns:1fr;}
  .pf{width:112px;height:112px;font-size:28px;}
  .rm-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-nav{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:560px){
  :root{--gut:20px;}
  .frow{grid-template-columns:1fr;}
  .opts--sub{grid-template-columns:1fr;}
  .ladder{grid-template-columns:1fr;}
  .cycle{grid-template-columns:1fr;}
  .aud-stats{grid-template-columns:1fr;}
  .subject{flex-wrap:wrap;}
  .subject .qty{margin-left:0;text-align:left;width:100%;}
  .tbl th:nth-child(4),.tbl td:nth-child(4){display:none;}
  .foot-nav{grid-template-columns:1fr;}
  .rm-grid{grid-template-columns:1fr;}
  .hero-actions .btn{flex:1;justify-content:center;}
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation:none !important;
    transition:none !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
  .tbl tbody tr{opacity:1;transform:none;}
  .draw{stroke-dashoffset:0;}
  .fade{opacity:1;}
  .check::before{width:100%;}
}
html{scroll-behavior:smooth;}