/* ============================================================
   VALTHERION — Industrial Operating Systems
   Static stylesheet. No frameworks, no external requests.
   ============================================================ */

@font-face{
  font-family:'Inter';
  src:url('/assets/fonts/inter-latin-wght-normal.woff2') format('woff2-variations');
  font-weight:100 900; font-style:normal; font-display:swap;
}
@font-face{
  font-family:'Archivo';
  src:url('/assets/fonts/archivo-latin-wght-normal.woff2') format('woff2-variations');
  font-weight:100 900; font-style:normal; font-display:swap;
}

:root{
  /* palette */
  --ink:#0A0A0B;
  --navy:#111214;
  --navy-2:#17181B;
  --panel:rgba(255,255,255,.024);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --white:#F4F5F6;
  --gray:#9DA3AC;
  --gray-dim:#6E747D;
  --accent:#E4661F;
  --accent-2:#F0813E;

  /* type */
  --f-display:'Archivo',ui-sans-serif,system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --f-body:'Inter',ui-sans-serif,system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;

  /* metrics */
  --wrap:1180px;
  --gut:clamp(20px,5vw,48px);
  --hdr-h:80px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr-h) + 16px)}
body{
  margin:0;background:var(--ink);color:var(--white);
  font-family:var(--f-body);font-size:16px;line-height:1.6;
  font-weight:400;letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
h1,h2,h3{margin:0;font-family:var(--f-display);font-weight:700;letter-spacing:-.02em;line-height:1.08}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0}
li{list-style:none}
a{color:inherit;text-decoration:none}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}

/* ---------- focus + skip ---------- */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.skip{
  position:absolute;left:-9999px;top:8px;z-index:200;
  background:var(--accent);color:#0A0A0A;padding:10px 16px;font-weight:600;
}
.skip:focus{left:16px}

/* ---------- shared type devices ---------- */
.sl{
  margin:0 0 22px;font-size:.7rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.22em;color:var(--gray-dim);
}
.sl--num{display:flex;align-items:baseline;gap:14px}
.sl--num span{color:var(--accent);font-size:.82rem;letter-spacing:.1em}
.sl--num em{font-style:normal}

/* industry signals */
.sig__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,6vw,80px);align-items:center}
.sig__grid--solo{grid-template-columns:minmax(0,760px)}
.sig__big{
  margin:26px 0 18px;font-family:var(--f-display);font-weight:700;
  font-size:clamp(4.5rem,11vw,8.5rem);line-height:.9;letter-spacing:-.04em;color:var(--white);
}
.sig__unit{font-size:.45em;color:var(--gray);font-weight:600;margin-left:.06em}
.sig__sub{margin-top:14px;color:var(--gray-dim);font-size:.95rem;max-width:52ch}
.sig__take{
  margin-top:22px;color:var(--white);font-weight:500;font-size:1.05rem;max-width:46ch;
  border-left:2px solid var(--accent);padding-left:18px;line-height:1.6;
}
.sig__vis{color:var(--white)}
.sig__vis svg{width:100%;height:auto;display:block}
.src{margin-top:26px;font-size:.78rem;color:var(--gray-dim);line-height:1.7;max-width:60ch}
.src a{color:var(--gray);border-bottom:1px solid var(--line);transition:color .18s ease,border-color .18s ease}
.src a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* line drawing on reveal */
.draw{stroke-dasharray:100;stroke-dashoffset:100}
.sig.is-in .draw{animation:drawline 1.6s ease forwards .2s}
@keyframes drawline{to{stroke-dashoffset:0}}

/* data rail */
.rail{margin-top:30px;max-width:520px}
.rail__t{font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.18em;color:var(--gray-dim);margin-bottom:14px}
.rail__r{display:grid;grid-template-columns:170px 1fr 44px;align-items:center;gap:12px;padding:7px 0}
.rail__r span{font-size:.82rem;color:var(--gray)}
.rail__r i{display:block;height:6px;background:rgba(255,255,255,.14);position:relative}
.rail__r i::after{content:"";position:absolute;inset:0;width:var(--w);background:var(--gray)}
.rail__r:first-of-type i::after{background:var(--accent)}
.rail__r b{font-size:.82rem;font-weight:600;color:var(--white);text-align:right}

/* fragmentation */
.frag{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;max-width:340px}
.frag span{
  padding:9px 13px;border:1px dashed var(--line);color:var(--gray-dim);
  font-size:.66rem;font-weight:600;letter-spacing:.14em;
}
.frag span:nth-child(2n){transform:translateY(6px) rotate(-1deg)}
.frag span:nth-child(3n){transform:translateY(-4px) rotate(1deg)}
.risks{margin-top:24px}
.risks li{position:relative;padding-left:22px;margin-top:12px;color:var(--gray);line-height:1.65}
.risks li::before{content:"";position:absolute;left:0;top:12px;width:9px;height:1px;background:var(--accent)}

/* response */
.resp .h2--big{max-width:24ch}

/* method */
.meth{display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:step;border-top:1px solid var(--line);margin-top:8px}
.meth li{
  counter-increment:step;padding:26px 20px 30px 0;border-right:1px solid var(--line-soft);
  padding-left:20px;position:relative;
}
.meth li:first-child{padding-left:0}
.meth li:last-child{border-right:0}
.meth li::before{
  content:"0" counter(step);display:block;font-size:.78rem;font-weight:600;
  letter-spacing:.1em;color:var(--accent);margin-bottom:14px;
}
.meth h3{font-size:1.02rem;letter-spacing:0}
.meth p{margin-top:10px;color:var(--gray);font-size:.88rem;line-height:1.62}

.h1{
  font-size:clamp(2.15rem,6.4vw,4.6rem);letter-spacing:-.03em;line-height:1.02;
  max-width:12ch;
}
.h2{font-size:clamp(1.75rem,3.2vw,2.5rem)}
.h2--wide{max-width:20ch;margin-bottom:48px}
.h2--big{font-size:clamp(2rem,4.6vw,3.4rem);max-width:16ch}
.p{color:var(--gray);font-size:1.0625rem;line-height:1.72;max-width:62ch}
.p + .p{margin-top:18px}
.p--wide{max-width:56ch;margin-top:22px}
.lbl{
  font-size:.66rem;font-weight:600;text-transform:uppercase;letter-spacing:.2em;color:var(--gray-dim);
}
.note{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line-soft);
  color:var(--gray-dim);font-size:.9rem;max-width:70ch;
}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:100;
  background:rgba(10,10,11,.85);backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.hdr__in{display:flex;align-items:center;gap:24px;height:var(--hdr-h)}
.hdr__logo{flex:0 0 auto;padding:6px 0}
.hdr__logo img{width:186px;height:auto}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{
  font-size:.82rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--gray);
  padding:6px 0;border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.nav a:hover{color:var(--white);border-bottom-color:var(--accent)}
.hdr__right{display:flex;align-items:center;gap:14px;margin-left:8px}
.lang{display:flex;align-items:center;gap:6px}
.lang__btn{
  background:none;border:0;padding:4px 2px;cursor:pointer;font-family:inherit;
  font-size:.76rem;font-weight:600;letter-spacing:.12em;color:var(--gray-dim);transition:color .18s ease;
}
.lang__btn:hover{color:var(--white)}
.lang__btn.is-on{color:var(--accent)}
.lang__sep{color:var(--line);font-size:.76rem}
.burger{
  display:none;width:40px;height:40px;background:none;border:1px solid var(--line);
  cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.burger span{display:block;width:16px;height:1.5px;background:var(--white);transition:transform .22s ease,opacity .22s ease}
.burger[aria-expanded="true"] span:first-child{transform:translateY(3.25px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-3.25px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 24px;font-size:.82rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  border:1px solid transparent;transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--solid{background:var(--accent);color:#100A05}
.btn--solid:hover{background:var(--accent-2)}
.btn--ghost{border-color:var(--line);color:var(--white)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:clamp(64px,10vw,120px) 0 clamp(72px,9vw,112px);
  background:
    radial-gradient(120% 90% at 78% 18%,rgba(255,255,255,.045) 0%,rgba(10,10,11,0) 62%),
    linear-gradient(180deg,var(--navy) 0%,var(--ink) 100%);
  border-bottom:1px solid var(--line-soft);overflow:hidden;
}
.hero__in{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,6vw,72px);align-items:center}
.slogan{
  margin:26px 0 0;font-family:var(--f-display);font-weight:700;
  font-size:clamp(1.15rem,2.2vw,1.55rem);letter-spacing:.02em;color:var(--white);
}
.slogan::after{content:"";display:block;width:56px;height:2px;background:var(--accent);margin-top:16px}
.lead{color:var(--gray);font-size:clamp(1.02rem,1.5vw,1.18rem);line-height:1.68;max-width:52ch;margin-top:24px}
.lead--sub{color:var(--gray-dim);font-size:1rem;margin-top:14px;max-width:48ch}
.hero__copy .sl{
  margin:0 0 22px;font-size:.7rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.22em;color:var(--gray-dim);
}
.sl--num{display:flex;align-items:baseline;gap:14px}
.sl--num span{color:var(--accent);font-size:.82rem;letter-spacing:.1em}
.sl--num em{font-style:normal}

/* industry signals */
.sig__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,6vw,80px);align-items:center}
.sig__grid--solo{grid-template-columns:minmax(0,760px)}
.sig__big{
  margin:26px 0 18px;font-family:var(--f-display);font-weight:700;
  font-size:clamp(4.5rem,11vw,8.5rem);line-height:.9;letter-spacing:-.04em;color:var(--white);
}
.sig__unit{font-size:.45em;color:var(--gray);font-weight:600;margin-left:.06em}
.sig__sub{margin-top:14px;color:var(--gray-dim);font-size:.95rem;max-width:52ch}
.sig__take{
  margin-top:22px;color:var(--white);font-weight:500;font-size:1.05rem;max-width:46ch;
  border-left:2px solid var(--accent);padding-left:18px;line-height:1.6;
}
.sig__vis{color:var(--white)}
.sig__vis svg{width:100%;height:auto;display:block}
.src{margin-top:26px;font-size:.78rem;color:var(--gray-dim);line-height:1.7;max-width:60ch}
.src a{color:var(--gray);border-bottom:1px solid var(--line);transition:color .18s ease,border-color .18s ease}
.src a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* line drawing on reveal */
.draw{stroke-dasharray:100;stroke-dashoffset:100}
.sig.is-in .draw{animation:drawline 1.6s ease forwards .2s}
@keyframes drawline{to{stroke-dashoffset:0}}

/* data rail */
.rail{margin-top:30px;max-width:520px}
.rail__t{font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.18em;color:var(--gray-dim);margin-bottom:14px}
.rail__r{display:grid;grid-template-columns:170px 1fr 44px;align-items:center;gap:12px;padding:7px 0}
.rail__r span{font-size:.82rem;color:var(--gray)}
.rail__r i{display:block;height:6px;background:rgba(255,255,255,.14);position:relative}
.rail__r i::after{content:"";position:absolute;inset:0;width:var(--w);background:var(--gray)}
.rail__r:first-of-type i::after{background:var(--accent)}
.rail__r b{font-size:.82rem;font-weight:600;color:var(--white);text-align:right}

/* fragmentation */
.frag{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;max-width:340px}
.frag span{
  padding:9px 13px;border:1px dashed var(--line);color:var(--gray-dim);
  font-size:.66rem;font-weight:600;letter-spacing:.14em;
}
.frag span:nth-child(2n){transform:translateY(6px) rotate(-1deg)}
.frag span:nth-child(3n){transform:translateY(-4px) rotate(1deg)}
.risks{margin-top:24px}
.risks li{position:relative;padding-left:22px;margin-top:12px;color:var(--gray);line-height:1.65}
.risks li::before{content:"";position:absolute;left:0;top:12px;width:9px;height:1px;background:var(--accent)}

/* response */
.resp .h2--big{max-width:24ch}

/* method */
.meth{display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:step;border-top:1px solid var(--line);margin-top:8px}
.meth li{
  counter-increment:step;padding:26px 20px 30px 0;border-right:1px solid var(--line-soft);
  padding-left:20px;position:relative;
}
.meth li:first-child{padding-left:0}
.meth li:last-child{border-right:0}
.meth li::before{
  content:"0" counter(step);display:block;font-size:.78rem;font-weight:600;
  letter-spacing:.1em;color:var(--accent);margin-bottom:14px;
}
.meth h3{font-size:1.02rem;letter-spacing:0}
.meth p{margin-top:10px;color:var(--gray);font-size:.88rem;line-height:1.62}

.h1{margin-top:4px}

/* hero lattice */
.hero__vis{color:var(--white)}
.lattice{width:100%;height:auto;max-height:470px}
.lat-node rect{fill:none;stroke:currentColor;stroke-opacity:.35;stroke-width:1.25}
.lat-core rect:first-child{fill:rgba(255,255,255,.03);stroke:rgba(255,255,255,.28);stroke-width:1.25}
.lat-bar{fill:rgba(255,255,255,.16)}
.lat-accent{fill:var(--accent);opacity:.9}
.lat-flow path{
  stroke-dasharray:14 86;stroke-opacity:.9;
  animation:flow 7s linear infinite;
}
.lat-flow path:last-child{animation-delay:3.5s}
@keyframes flow{from{stroke-dashoffset:100}to{stroke-dashoffset:0}}
.lat-back{animation:drift 22s ease-in-out infinite alternate}
@keyframes drift{from{transform:translateY(0)}to{transform:translateY(7px)}}
.lat-ticks{color:var(--white)}
.lat-reg{color:var(--white)}

/* ---------- sections ---------- */
.sec{padding:clamp(72px,9vw,120px) 0;border-bottom:1px solid var(--line-soft)}
.sec--alt{
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='112' height='112'%3E%3Cpath d='M56 51V61M51 56H61' stroke='%23ffffff' stroke-opacity='.05' stroke-width='1'/%3E%3C/svg%3E"),
    linear-gradient(180deg,rgba(255,255,255,.022),rgba(10,10,11,0));
}
.sec--tight{padding:clamp(56px,7vw,88px) 0}

.grid-2{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(28px,6vw,80px)}
.grid-2__side .h2{max-width:16ch}
.lin{display:block;width:100%;max-width:300px;margin-top:44px;color:var(--white)}

.facts{margin-top:40px;display:grid;gap:0;border-top:1px solid var(--line-soft)}
.facts > div{display:flex;gap:24px;padding:14px 0;border-bottom:1px solid var(--line-soft)}
.facts dt{flex:0 0 130px;font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.18em;color:var(--gray-dim);padding-top:3px}
.facts dd{color:var(--white);font-size:.95rem}
.facts--row{max-width:680px}
.facts dd{line-height:1.6}
.facts__sub{color:var(--gray);font-size:.9rem}
.lnk{
  color:var(--gray);border-bottom:1px solid var(--line);
  transition:color .18s ease,border-color .18s ease;
}
.lnk:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* products */
.sys{border-top:1px solid var(--line)}
.sys__row{
  display:grid;grid-template-columns:minmax(220px,.85fr) 1.35fr 120px;gap:clamp(24px,4vw,56px);align-items:center;
  padding:30px 0;border-bottom:1px solid var(--line-soft);transition:padding-left .2s ease;
}
.sys__row:hover{padding-left:10px}
.sys__id h3{font-size:1.28rem;letter-spacing:-.015em}
.sys__cat{
  margin-top:8px;font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.16em;color:var(--accent);
}
.sys__desc{color:var(--gray);font-size:.98rem;max-width:52ch}
.sys__vis{width:120px;height:72px;color:var(--white);justify-self:end;flex:0 0 auto}
.sys__row:hover .sys__vis{color:var(--white)}
/* services */
.svc-hero{
  display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,64px);align-items:center;
  margin-top:52px;padding:clamp(28px,4vw,44px);
  background:var(--navy-2);border:1px solid var(--line-soft);
  box-shadow:inset 0 2px 0 var(--accent);
}
.svc-hero__txt h3{font-size:1.5rem;letter-spacing:-.015em}
.svc-hero__pos{
  margin:12px 0 16px;color:var(--white);font-weight:500;font-size:1.05rem;
}
.svc-hero__vis{color:var(--white)}
.svc-hero__vis svg{width:100%;height:auto;display:block}
.svc{margin-top:8px;border-top:1px solid var(--line);counter-reset:svc}
.svc li{
  counter-increment:svc;display:grid;grid-template-columns:64px minmax(220px,.8fr) 1.4fr;
  gap:clamp(18px,3vw,44px);padding:30px 0;border-bottom:1px solid var(--line-soft);align-items:start;
}
.svc li::before{
  content:"0" counter(svc);font-size:.82rem;font-weight:600;letter-spacing:.1em;
  color:var(--gray-dim);padding-top:4px;
}
.svc h3{font-size:1.12rem;letter-spacing:-.005em}
.svc p{color:var(--gray);font-size:.94rem;line-height:1.68;max-width:58ch}
.svc__seq{
  grid-column:3;margin-top:2px;font-size:.68rem;font-weight:600;letter-spacing:.16em;color:var(--gray-dim);
}
.svc__seq span:nth-child(3){color:var(--accent)}

/* from process to system */
.pts{display:flex;flex-wrap:wrap;gap:0;margin-top:44px;border-block:1px solid var(--line-soft)}
.pts li{
  position:relative;flex:1 1 22%;min-width:200px;padding:26px 44px 26px 0;
  font-size:.72rem;font-weight:600;letter-spacing:.16em;color:var(--gray);
}
.pts li::after{
  content:"";position:absolute;right:16px;top:50%;width:16px;height:1px;background:var(--accent);
}
.pts li:last-child{color:var(--white)}
.pts li:last-child::after{display:none}

/* comparison */
.cmp{border:1px solid var(--line-soft);overflow:hidden}
.cmp__head,.cmp__row{
  display:grid;grid-template-columns:.7fr 1.15fr 1.15fr;gap:0;
}
.cmp__lab,.cmp__cue{display:none}
.cmp__head{background:rgba(255,255,255,.02);border-bottom:1px solid var(--line)}
.cmp__h{
  padding:16px 22px;font-size:.66rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.18em;color:var(--gray-dim);
}
.cmp__h--v{color:var(--white);background:var(--navy-2);box-shadow:inset 0 2px 0 var(--accent)}
.cmp__row{border-bottom:1px solid var(--line-soft)}
.cmp__row:last-child{border-bottom:0}
.cmp__need{padding:20px 22px;color:var(--white);font-weight:600;font-size:.95rem}
.cmp__old{padding:20px 22px;color:var(--gray-dim);font-size:.92rem;line-height:1.6}
.cmp__new{
  padding:20px 22px;color:var(--gray);font-size:.92rem;line-height:1.6;
  background:var(--navy-2);border-left:1px solid var(--line-soft);
}
.cmp__new{color:var(--white)}
.cmp__row:hover .cmp__new{background:#1B1D21}

/* brand strip */
.strip{padding:clamp(56px,8vw,96px) 0;background:var(--navy);border-top:1px solid var(--line-soft)}
.strip__in{display:flex;justify-content:center}
.strip__lockup{width:min(560px,78%);height:auto;opacity:.96}

/* approach */
.p--em{color:var(--white);font-weight:500;border-left:2px solid var(--accent);padding-left:18px}
.p--intro{max-width:72ch;margin-bottom:44px}
.prin{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border-block:1px solid var(--line-soft)}
.prin__i{background:var(--ink);padding:30px 26px 34px}
.prin__i h3{font-size:1.05rem;letter-spacing:0}
.prin__i p{margin-top:12px;color:var(--gray);font-size:.93rem;line-height:1.66}

/* industries */
.ind{border-top:1px solid var(--line-soft)}
.ind li{padding:24px 0;border-bottom:1px solid var(--line-soft)}
.ind h3{font-size:1.08rem;letter-spacing:-.005em}
.ind p{margin-top:8px;color:var(--gray);font-size:.94rem;line-height:1.66;max-width:56ch}

/* contact */
.sec--contact{background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(10,10,11,0))}
.ct-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(32px,6vw,72px);align-items:start}
.ct-aside{border-left:1px solid var(--line-soft);padding-left:clamp(20px,3vw,34px);padding-top:6px}
.ct-list{margin-top:20px}
.ct-list li{
  position:relative;padding-left:20px;margin-top:14px;color:var(--gray);font-size:.93rem;line-height:1.6;
}
.ct-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:1px;background:var(--accent)}
.ct-aside__note{
  margin-top:28px;padding-top:18px;border-top:1px solid var(--line-soft);
  color:var(--gray-dim);font-size:.85rem;
}
.ct{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:38px}
.ct__mail{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  border:1px solid var(--line);padding:12px 16px;
}
.ct__addr{font-size:1.02rem;font-weight:500;letter-spacing:.01em;-webkit-user-select:all;user-select:all}
.copy{
  background:none;border:1px solid var(--line);color:var(--gray);cursor:pointer;font-family:inherit;
  font-size:.66rem;font-weight:600;text-transform:uppercase;letter-spacing:.16em;padding:7px 12px;
  transition:color .18s ease,border-color .18s ease;
}
.copy:hover{color:var(--accent);border-color:var(--accent)}
.copy.is-done{color:#7FBF8E;border-color:rgba(127,191,142,.4)}

/* ---------- footer ---------- */
.ftr{padding:clamp(48px,6vw,72px) 0 40px;background:var(--navy)}
.ftr__in{display:grid;grid-template-columns:1.4fr 1fr;gap:32px 40px;align-items:start}
.ftr__logo{width:236px;height:auto}
.ftr__tag{
  margin-top:12px;font-size:.66rem;font-weight:500;text-transform:uppercase;letter-spacing:.28em;color:var(--gray);
}
.ftr__pow{margin-top:22px;font-size:.82rem;color:var(--gray-dim);letter-spacing:.04em}
.ftr__pow strong{color:var(--white);font-weight:600;letter-spacing:.14em}
.ftr__nav{display:flex;flex-direction:column;gap:12px;align-items:flex-start;justify-self:end}
.ftr__nav a{
  font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gray);
  border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.ftr__nav a:hover{color:var(--white);border-bottom-color:var(--accent)}
.ftr__cr{
  grid-column:1/-1;margin-top:22px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:.78rem;color:var(--gray-dim);letter-spacing:.04em;
}

/* ---------- legal page ---------- */
.legal{padding:clamp(56px,8vw,96px) 0 clamp(64px,8vw,104px)}
.legal .h2{max-width:22ch}
.legal__date{margin-top:14px;font-size:.78rem;text-transform:uppercase;letter-spacing:.18em;color:var(--gray-dim)}
.legal__body{max-width:70ch;margin-top:44px}
.legal__body h3{
  font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.2em;color:var(--accent);
  font-family:var(--f-body);margin-top:38px;padding-top:22px;border-top:1px solid var(--line-soft);
}
.legal__body h3:first-child{margin-top:0;padding-top:0;border-top:0}
.legal__body p{margin-top:14px;color:var(--gray);line-height:1.75}
.legal__body ul{margin-top:14px}
.legal__body li{color:var(--gray);padding-left:20px;position:relative;margin-top:10px;line-height:1.7}
.legal__body li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:1px;background:var(--accent)}
.back{display:inline-block;margin-top:48px;font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--gray);border-bottom:1px solid var(--line)}
.back:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.rv.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .hero__in{grid-template-columns:1fr}
  .hero__vis{order:-1;max-width:400px}
  .lattice{max-height:300px}
  .sl{
  margin:0 0 22px;font-size:.7rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.22em;color:var(--gray-dim);
}
.sl--num{display:flex;align-items:baseline;gap:14px}
.sl--num span{color:var(--accent);font-size:.82rem;letter-spacing:.1em}
.sl--num em{font-style:normal}

/* industry signals */
.sig__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,6vw,80px);align-items:center}
.sig__grid--solo{grid-template-columns:minmax(0,760px)}
.sig__big{
  margin:26px 0 18px;font-family:var(--f-display);font-weight:700;
  font-size:clamp(4.5rem,11vw,8.5rem);line-height:.9;letter-spacing:-.04em;color:var(--white);
}
.sig__unit{font-size:.45em;color:var(--gray);font-weight:600;margin-left:.06em}
.sig__sub{margin-top:14px;color:var(--gray-dim);font-size:.95rem;max-width:52ch}
.sig__take{
  margin-top:22px;color:var(--white);font-weight:500;font-size:1.05rem;max-width:46ch;
  border-left:2px solid var(--accent);padding-left:18px;line-height:1.6;
}
.sig__vis{color:var(--white)}
.sig__vis svg{width:100%;height:auto;display:block}
.src{margin-top:26px;font-size:.78rem;color:var(--gray-dim);line-height:1.7;max-width:60ch}
.src a{color:var(--gray);border-bottom:1px solid var(--line);transition:color .18s ease,border-color .18s ease}
.src a:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* line drawing on reveal */
.draw{stroke-dasharray:100;stroke-dashoffset:100}
.sig.is-in .draw{animation:drawline 1.6s ease forwards .2s}
@keyframes drawline{to{stroke-dashoffset:0}}

/* data rail */
.rail{margin-top:30px;max-width:520px}
.rail__t{font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.18em;color:var(--gray-dim);margin-bottom:14px}
.rail__r{display:grid;grid-template-columns:170px 1fr 44px;align-items:center;gap:12px;padding:7px 0}
.rail__r span{font-size:.82rem;color:var(--gray)}
.rail__r i{display:block;height:6px;background:rgba(255,255,255,.14);position:relative}
.rail__r i::after{content:"";position:absolute;inset:0;width:var(--w);background:var(--gray)}
.rail__r:first-of-type i::after{background:var(--accent)}
.rail__r b{font-size:.82rem;font-weight:600;color:var(--white);text-align:right}

/* fragmentation */
.frag{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;max-width:340px}
.frag span{
  padding:9px 13px;border:1px dashed var(--line);color:var(--gray-dim);
  font-size:.66rem;font-weight:600;letter-spacing:.14em;
}
.frag span:nth-child(2n){transform:translateY(6px) rotate(-1deg)}
.frag span:nth-child(3n){transform:translateY(-4px) rotate(1deg)}
.risks{margin-top:24px}
.risks li{position:relative;padding-left:22px;margin-top:12px;color:var(--gray);line-height:1.65}
.risks li::before{content:"";position:absolute;left:0;top:12px;width:9px;height:1px;background:var(--accent)}

/* response */
.resp .h2--big{max-width:24ch}

/* method */
.meth{display:grid;grid-template-columns:repeat(6,1fr);gap:0;counter-reset:step;border-top:1px solid var(--line);margin-top:8px}
.meth li{
  counter-increment:step;padding:26px 20px 30px 0;border-right:1px solid var(--line-soft);
  padding-left:20px;position:relative;
}
.meth li:first-child{padding-left:0}
.meth li:last-child{border-right:0}
.meth li::before{
  content:"0" counter(step);display:block;font-size:.78rem;font-weight:600;
  letter-spacing:.1em;color:var(--accent);margin-bottom:14px;
}
.meth h3{font-size:1.02rem;letter-spacing:0}
.meth p{margin-top:10px;color:var(--gray);font-size:.88rem;line-height:1.62}

.h1{max-width:16ch}
    .prin{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .burger{display:flex}
  .nav{
    position:fixed;inset:var(--hdr-h) 0 auto 0;flex-direction:column;gap:0;margin:0;
    background:var(--navy);border-bottom:1px solid var(--line);
    padding:8px var(--gut) 24px;transform:translateY(-8px);
    opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  .nav.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .nav a{padding:16px 0;border-bottom:1px solid var(--line-soft);font-size:.95rem}
  .nav a:hover{border-bottom-color:var(--line-soft)}
  .grid-2{grid-template-columns:1fr}
  .sig__grid{grid-template-columns:1fr}
  .svc-hero{grid-template-columns:1fr}
  .svc li{grid-template-columns:44px 1fr}
  .svc li p,.svc .svc__seq{grid-column:2}
  .pts li{flex:1 1 100%;padding:16px 0 16px 30px}
  .pts li::after{right:auto;left:0;top:50%;width:16px}
  .pts li:last-child::after{display:block}
  .sig__vis{max-width:420px}
  .meth{grid-template-columns:repeat(2,1fr)}
  .meth li{border-right:0;border-bottom:1px solid var(--line-soft)}
  .cmp{border:0;counter-reset:cmpn;display:grid;gap:22px}
  .cmp__head{display:none}
  .cmp__row{
    grid-template-columns:1fr;counter-increment:cmpn;
    margin:0;padding:28px 24px 30px;
    background:var(--navy-2);border:1px solid var(--line-soft);
  }
  .cmp__need{padding:0;font-size:1.12rem;line-height:1.25}
  .cmp__need::before{
    content:"0" counter(cmpn);display:block;font-size:.7rem;font-weight:500;
    letter-spacing:.12em;color:var(--gray-dim);margin-bottom:10px;
  }
  .cmp__lab{
    display:block;font-size:.62rem;font-weight:600;
    text-transform:uppercase;letter-spacing:.2em;
  }
  .cmp__lab--old{margin-top:26px;color:var(--gray-dim)}
  .cmp__old{padding:9px 0 0;color:var(--gray-dim);font-size:.93rem;line-height:1.66}
  .cmp__cue{
    display:block;width:1px;height:26px;background:var(--accent);opacity:.65;
    margin:24px 0 18px;padding:0;position:relative;
  }
  .cmp__cue::after{
    content:"";position:absolute;left:-2.5px;bottom:0;
    border-left:3px solid transparent;border-right:3px solid transparent;
    border-top:4px solid var(--accent);
  }
  .cmp__lab--new{color:var(--accent)}
  .cmp__new{
    padding:9px 0 0;background:none;border-left:0;box-shadow:none;
    color:var(--white);font-size:.96rem;line-height:1.66;
  }
  .cmp__row:hover .cmp__new{background:none}
  .ct-grid{grid-template-columns:1fr}
  .ct-aside{border-left:0;border-top:1px solid var(--line-soft);padding-left:0;padding-top:28px}
  .sys__row{grid-template-columns:1fr;gap:12px;padding:26px 0}
  .sys__vis{display:none}
  .sys__row:hover{padding-left:0}
  .ftr__in{grid-template-columns:1fr}
  .ftr__nav{flex-direction:row;gap:22px;justify-self:start;flex-wrap:wrap}
}
@media (max-width:600px){
  .meth{grid-template-columns:1fr}
  .rail__r{grid-template-columns:1fr 44px;grid-template-rows:auto auto}
  .rail__r span{grid-column:1/-1}
      .prin{grid-template-columns:1fr}
  .hdr__logo img{width:148px}
  .facts > div{flex-direction:column;gap:4px}
  .facts dt{flex:none}
  .btn{flex:1 1 auto}
}

/* ---------- motion / contrast preferences ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .rv{opacity:1;transform:none}
  .lat-flow{display:none}
  .lat-back{animation:none}
  .draw{stroke-dashoffset:0;animation:none}
}
@media print{
  body{background:#fff;color:#000}
  .hdr,.hero__vis,.btns,.ftr__nav{display:none}
}