/* ============================================================
   TOUCH INDUSTRIES — design system
   black · charcoal · brushed grey · restrained gold · negative space
   ============================================================ */
:root{
  --ink:#04050A;          /* page black */
  --ink-2:#0A0C12;        /* raised black */
  --char:#12141B;         /* charcoal panel */
  --steel:#1C1F28;        /* brushed edge */
  --line:rgba(255,255,255,.085);
  --line-2:rgba(255,255,255,.16);
  --white:#F6F5F2;
  --grey:#9AA0AE;
  --grey-2:#6E7481;
  --gold:#C9A227;
  --gold-lt:#E9CE86;
  --gold-dim:rgba(201,162,39,.22);
  --paper:#F5F4F0;
  --paper-ink:#0B0C11;
  --paper-grey:#5C616D;
  --paper-line:rgba(11,12,17,.12);
  --max:1360px;
  --gut:clamp(20px,5vw,72px);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--ink);color:var(--white);
  font-family:'Atkinson Hyperlegible',system-ui,sans-serif;
  font-size:17.5px;line-height:1.68;letter-spacing:0;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--gold);color:#07080C}

/* ---------- type ---------- */
.mono{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:500}
.ser{font-style:italic;font-weight:400}
h1,h2,h3,h4{font-family:'Atkinson Hyperlegible',system-ui,sans-serif;font-weight:700;letter-spacing:-.022em;line-height:1.06}
.h-xl{font-size:clamp(42px,7.4vw,114px);font-weight:700;letter-spacing:-.03em;line-height:1.0}
.h-lg{font-size:clamp(32px,4.6vw,68px);letter-spacing:-.025em;line-height:1.08}
.h-md{font-size:clamp(25px,2.9vw,42px);letter-spacing:-.02em;line-height:1.14}
.h-sm{font-size:clamp(19px,1.5vw,24px);letter-spacing:-.015em;line-height:1.3}
.lead{font-size:clamp(17px,1.3vw,20px);line-height:1.7;color:var(--grey);max-width:62ch}
.tiny{font-size:14.5px;line-height:1.6;color:var(--grey-2)}
.gold{color:var(--gold-lt)}
.dim{color:var(--grey-2)}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
section{position:relative}
.band{padding:clamp(88px,11vh,150px) 0}
.band.light{background:var(--paper);color:var(--paper-ink)}
.band.light .lead{color:var(--paper-grey)}
.band.light .tiny{color:var(--paper-grey)}
.hr{height:1px;background:var(--line);width:100%}
.band.light .hr{background:var(--paper-line)}
.sec-head{display:flex;gap:28px;align-items:baseline;justify-content:space-between;flex-wrap:wrap;margin-bottom:clamp(38px,5vw,64px)}
.sec-idx{color:var(--gold);flex:none}
.band.light .sec-idx{color:#8A6B12}

/* gold rule that draws itself on reveal */
.rule{position:relative;height:1px;background:var(--line);overflow:hidden}
.band.light .rule{background:var(--paper-line)}
.rule::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,var(--gold),transparent);transform:translateX(-101%)}
.rule.in::after{animation:sweep 1.6s var(--ease) forwards}
@keyframes sweep{to{transform:translateX(101%)}}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv[data-d="1"]{transition-delay:.08s}.rv[data-d="2"]{transition-delay:.16s}
.rv[data-d="3"]{transition-delay:.24s}.rv[data-d="4"]{transition-delay:.32s}
.rv[data-d="5"]{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.rule::after{display:none}}

/* ---------- nav ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:70;transition:background .4s var(--ease),border-color .4s}
header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);opacity:0;transition:opacity .4s}
header.solid{background:rgba(4,5,10,.86);backdrop-filter:blur(14px) saturate(140%)}
header.solid::after{opacity:1}
nav{display:flex;align-items:center;gap:36px;height:88px;max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
nav .logo{height:42px;width:auto;flex:none}
nav ul{display:flex;gap:34px;list-style:none;margin-left:auto}
nav ul a{font-size:14.5px;color:var(--grey);letter-spacing:-.005em;position:relative;padding:4px 0;transition:color .3s}
nav ul a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--gold);transition:right .4s var(--ease)}
nav ul a:hover{color:var(--white)}
nav ul a:hover::after{right:0}
.btn{
  display:inline-flex;align-items:center;gap:12px;position:relative;overflow:hidden;
  padding:15px 26px;border:1px solid var(--line-2);border-radius:2px;
  font-size:14.5px;font-weight:500;letter-spacing:.01em;color:var(--white);
  background:transparent;cursor:pointer;transition:border-color .35s,color .35s,transform .35s var(--ease);
}
.btn span{position:relative;z-index:2}
.btn::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,#B98F1C,var(--gold) 45%,var(--gold-lt));transform:translateX(-101%);transition:transform .55s var(--ease)}
.btn:hover{border-color:var(--gold);color:#07080C}
.btn:hover::before{transform:none}
.btn.solid{border-color:var(--gold);color:#07080C}
.btn.solid::before{transform:none}
.btn.solid:hover::before{filter:brightness(1.12)}
.btn.ghost{padding:15px 0;border:0;color:var(--grey)}
.btn.ghost::before{display:none}
.btn.ghost:hover{color:var(--gold-lt)}
.btn.lg{padding:20px 34px;font-size:16px}
.band.light .btn{color:var(--paper-ink);border-color:rgba(11,12,17,.22)}
.band.light .btn:hover{color:#07080C}
nav .btn{margin-left:6px}
.mnav{display:none}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line-2);background:none;cursor:pointer;position:relative}
.burger i{position:absolute;left:12px;right:12px;height:1px;background:var(--white);transition:.3s var(--ease)}
.burger i:nth-child(1){top:17px}.burger i:nth-child(2){bottom:17px}
.burger.x i:nth-child(1){top:21px;transform:rotate(45deg)}
.burger.x i:nth-child(2){bottom:22px;transform:rotate(-45deg)}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:stretch;padding:158px 0 0;position:relative;overflow:hidden}
#sweep{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.95}
.hero-grid{position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:min(16.66vw,226px) 100%;
  mask-image:linear-gradient(180deg,transparent,#000 22%,#000 72%,transparent)}
.hero .wrap{position:relative;z-index:2}
.hero h1{max-width:17ch}
.hero .lead{margin-top:clamp(24px,2.6vw,34px);max-width:56ch;font-size:clamp(17px,1.45vw,22px);color:#B7BCC7}
.hero-cta{display:flex;gap:18px;flex-wrap:wrap;margin-top:clamp(34px,4vw,50px)}
.disciplines{position:relative;z-index:2;width:100%;align-self:stretch;margin-top:clamp(56px,8vh,110px);padding:20px var(--gut) 26px}
.disciplines::before{content:"";position:absolute;left:var(--gut);right:var(--gut);top:0;height:1px;background:var(--line)}
.disciplines ul{display:flex;gap:clamp(20px,4vw,58px);list-style:none;flex-wrap:wrap}
.disciplines li{color:var(--grey-2);position:relative}
.disciplines li::before{content:"";position:absolute;left:-1px;top:50%;width:3px;height:3px;background:var(--gold);border-radius:50%;opacity:0;transition:opacity .4s}
.disciplines li.on{color:var(--white)}
.disciplines li.on::before{opacity:1}
.scrollcue{position:absolute;left:var(--gut);bottom:26px;z-index:2;display:flex;align-items:center;gap:12px;color:var(--grey-2)}
.scrollcue i{display:block;width:44px;height:1px;background:var(--line-2);position:relative;overflow:hidden}
.scrollcue i::after{content:"";position:absolute;inset:0;background:var(--gold);transform:translateX(-100%);animation:cue 2.6s var(--ease) infinite}
@keyframes cue{40%{transform:none}100%{transform:translateX(100%)}}

/* ---------- divisions ---------- */
.divisions{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.div-col{padding:34px 28px 40px;border-right:1px solid var(--line);position:relative;transition:background .45s var(--ease)}
.div-col:last-child{border-right:0}
.div-col::before{content:"";position:absolute;top:-1px;left:0;right:100%;height:1px;background:var(--gold);transition:right .6s var(--ease)}
.div-col:hover{background:linear-gradient(180deg,rgba(201,162,39,.05),transparent 70%)}
.div-col:hover::before{right:0}
.div-col h3{font-size:clamp(20px,1.7vw,26px);margin:0 0 4px}
.div-col .mono{color:var(--gold);display:block;margin-bottom:22px}
.div-col ul{list-style:none;margin-top:22px}
.div-col li{font-size:15.5px;color:var(--grey);padding:9px 0;border-top:1px solid var(--line)}
.div-col li:first-child{border-top:0}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,90px);align-items:start}
.cmp-row{display:grid;grid-template-columns:1fr auto;gap:20px;padding:19px 0;border-top:1px solid var(--paper-line);align-items:baseline}
.cmp-row:last-child{border-bottom:1px solid var(--paper-line)}
.cmp-row b{font-weight:600}
.cmp-row span{color:var(--paper-grey);font-size:15px;text-align:right}
.claim{background:var(--ink);color:var(--white);padding:clamp(30px,3.4vw,46px);position:relative;overflow:hidden}
.claim::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--gold),transparent)}
.claim p{color:#C4C8D1;font-size:17px}
.claim .h-sm{margin-bottom:14px}

/* ---------- system flow ---------- */
.flow{position:relative;padding:8px 0 0}
.flow-track{position:relative;overflow:hidden;padding:52px 0 40px}
.flow-line{position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line)}
.flow-line i{position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(90deg,#8A6B12,var(--gold),var(--gold-lt));box-shadow:0 0 18px rgba(201,162,39,.5)}
.flow-nodes{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;position:relative}
.flow-node{min-width:0;text-align:center}
.flow-node .dot{width:11px;height:11px;border:1px solid var(--line-2);border-radius:50%;margin:0 auto 18px;background:var(--ink);transition:.5s var(--ease)}
.flow-node .mono{color:var(--grey-2);transition:color .5s;font-size:clamp(8.5px,.72vw,11px);letter-spacing:.1em;word-break:break-word}
.flow-node.lit .dot{border-color:var(--gold);background:var(--gold);box-shadow:0 0 0 4px rgba(201,162,39,.16)}
.flow-node.lit .mono{color:var(--white)}
.flow-note{max-width:60ch;margin-top:30px}

/* ---------- operating system ---------- */
.os{border-top:1px solid var(--line)}
.os-row{display:grid;grid-template-columns:140px minmax(220px,1fr) 2fr;gap:clamp(18px,3vw,50px);
  padding:clamp(26px,3vw,40px) 0;border-bottom:1px solid var(--line);align-items:start;position:relative}
.os-row::after{content:"";position:absolute;left:0;bottom:-1px;right:100%;height:1px;background:var(--gold);transition:right .8s var(--ease)}
.os-row:hover::after{right:0}
.os-row .mono{color:var(--gold)}
.os-row h3{font-size:clamp(24px,2.5vw,38px)}
.os-row p{color:var(--grey);font-size:16.5px;max-width:58ch}

/* ---------- metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metric{padding:clamp(28px,3vw,44px) 26px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric .n{font-size:clamp(36px,4.2vw,62px);font-weight:700;letter-spacing:-.05em;line-height:1;
  background:linear-gradient(140deg,#FFF 18%,var(--gold-lt) 58%,#9A7A18);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric .mono{color:var(--grey-2);margin-top:16px;display:block;letter-spacing:.16em}

/* ---------- work / engagements ---------- */
.cases{display:grid;gap:22px}
.case{display:grid;grid-template-columns:.9fr 1.1fr 1fr;gap:clamp(20px,3vw,44px);
  padding:clamp(26px,3vw,38px);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.028),transparent);position:relative}
.case::before{content:"";position:absolute;left:0;top:0;width:0;height:1px;background:var(--gold);transition:width .8s var(--ease)}
.case:hover::before{width:100%}
.case h3{font-size:clamp(21px,1.9vw,28px);margin-bottom:10px}
.case .mono{color:var(--gold);display:block;margin-bottom:16px}
.case p{color:var(--grey);font-size:15.5px}
.case ul{list-style:none;margin-top:6px}
.case li{font-size:15px;color:var(--grey);padding:8px 0;border-top:1px solid var(--line)}
.case li:first-child{border-top:0}
.engage{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.eng{border:1px solid var(--paper-line);padding:clamp(26px,2.6vw,38px);display:flex;flex-direction:column;background:#FBFAF8;position:relative;transition:transform .5s var(--ease),box-shadow .5s}
.eng:hover{transform:translateY(-4px);box-shadow:0 26px 60px -40px rgba(11,12,17,.6)}
.eng h3{font-size:clamp(22px,2vw,30px);margin-bottom:10px}
.eng>p{color:var(--paper-grey);font-size:15.5px;min-height:66px}
.eng ul{list-style:none;margin:18px 0 22px}
.eng li{font-size:15px;color:var(--paper-ink);padding:8px 0;border-top:1px solid var(--paper-line);display:flex;gap:10px}
.eng li::before{content:"";width:5px;height:5px;background:#A6821A;border-radius:50%;margin-top:9px;flex:none}
.eng .tag{margin-top:auto;padding-top:16px;border-top:1px solid var(--paper-line);color:#8A6B12}
.eng.feature{background:var(--ink);border-color:transparent;color:var(--white)}
.eng.feature>p{color:#B7BCC7}
.eng.feature li{color:#E7E6E2;border-top-color:var(--line)}
.eng.feature li::before{background:var(--gold)}
.eng.feature .tag{color:var(--gold-lt);border-top-color:var(--line)}

/* ---------- ventures ---------- */
.vent{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.v{background:var(--ink);padding:clamp(26px,2.8vw,40px);min-height:230px;display:flex;flex-direction:column;justify-content:space-between;transition:background .5s}
.v:hover{background:var(--ink-2)}
.v .mono{color:var(--gold)}
.v h3{font-size:clamp(20px,1.8vw,27px);margin-top:26px}
.v p{color:var(--grey-2);font-size:15px;margin-top:10px}

/* ---------- company ---------- */
.about{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(34px,6vw,96px);align-items:start}
.about blockquote{font-style:italic;font-weight:400;font-size:clamp(20px,1.95vw,28px);line-height:1.5;color:var(--white);border-left:2px solid var(--gold);padding-left:clamp(20px,2.4vw,34px)}
.founder{border:1px solid var(--line);padding:clamp(24px,2.6vw,36px)}
.founder .mono{color:var(--gold)}
.founder h3{font-size:clamp(24px,2.3vw,34px);margin:18px 0 6px}
.founder .skills{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{border:1px solid var(--line);padding:8px 14px;font-size:13.5px;color:var(--grey)}

/* ---------- cta ---------- */
.cta{padding:clamp(90px,14vh,170px) 0;position:relative;overflow:hidden;border-top:1px solid var(--line)}
.cta canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.7}
.cta .wrap{position:relative;z-index:2}
.cta h2{max-width:20ch}

/* ---------- footer ---------- */
footer{background:#020306;border-top:1px solid var(--line);padding:clamp(48px,6vw,84px) 0 40px}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
footer .logo{height:66px;width:auto;opacity:.95}
.foot-links{display:flex;gap:clamp(28px,5vw,80px);flex-wrap:wrap}
.foot-links div{display:grid;gap:12px}
.foot-links a,.foot-links span{font-size:14.5px;color:var(--grey-2);transition:color .3s}
.foot-links a:hover{color:var(--gold-lt)}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:clamp(40px,5vw,70px);padding-top:26px;border-top:1px solid var(--line);color:var(--grey-2);font-size:13.5px}

/* ---------- form (start page) ---------- */
.form-shell{display:grid;grid-template-columns:.78fr 1.22fr;gap:clamp(30px,5vw,80px);align-items:start}
.steps{display:grid;gap:2px}
.step-i{display:flex;gap:14px;align-items:baseline;padding:14px 0;border-top:1px solid var(--line);color:var(--grey-2);font-size:15px}
.step-i.on{color:var(--white)}
.step-i.done{color:var(--gold-lt)}
.step-i .mono{font-size:10.5px;letter-spacing:.18em}
.card-form{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.03),transparent);padding:clamp(26px,3.4vw,46px);min-height:520px;display:flex;flex-direction:column}
.q{display:none}
.q.on{display:block;animation:qin .5s var(--ease)}
@keyframes qin{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.q h2{font-size:clamp(24px,2.6vw,38px);margin-bottom:10px}
.q .tiny{margin-bottom:26px}
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:18px 20px;border:1px solid var(--line);background:transparent;color:var(--white);font:inherit;font-size:16px;cursor:pointer;transition:.35s var(--ease)}
.opt:hover{border-color:var(--line-2);background:rgba(255,255,255,.03);transform:translateX(3px)}
.opt.sel{border-color:var(--gold);background:rgba(201,162,39,.09)}
.opt i{width:6px;height:6px;border-radius:50%;background:var(--grey-2);flex:none;transition:.3s}
.opt.sel i,.opt:hover i{background:var(--gold)}
.opt small{margin-left:auto;color:var(--grey-2);font-size:13px}
.fields{display:grid;gap:18px;margin-top:6px}
.fields.two{grid-template-columns:1fr 1fr}
label{display:block}
label .mono{color:var(--grey-2);font-size:10.5px;display:block;margin-bottom:9px}
input,textarea,select{width:100%;padding:15px 16px;background:rgba(255,255,255,.025);border:1px solid var(--line);color:var(--white);
  font:inherit;font-size:16px;border-radius:0;transition:border-color .3s,background .3s}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--gold);background:rgba(201,162,39,.05)}
textarea{min-height:120px;resize:vertical}
.form-nav{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:auto;padding-top:30px}
.back{background:none;border:0;color:var(--grey-2);font:inherit;font-size:14.5px;cursor:pointer;padding:10px 0}
.back:hover{color:var(--white)}
.prog{height:1px;background:var(--line);margin-bottom:34px;position:relative}
.prog i{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,#8A6B12,var(--gold-lt));transition:width .5s var(--ease)}
.err{color:#E98A8A;font-size:14px;margin-top:14px;min-height:20px}
.done-state{text-align:left;max-width:52ch}
.done-state .tick{width:54px;height:54px;border:1px solid var(--gold);display:grid;place-items:center;margin-bottom:26px}
.trust{display:grid;gap:16px;margin-top:34px}
.trust div{display:flex;gap:13px;font-size:15px;color:var(--grey)}
.trust div::before{content:"";width:5px;height:5px;background:var(--gold);border-radius:50%;margin-top:9px;flex:none}

/* ---------- admin ---------- */
.lead-row{border:1px solid var(--line);padding:20px 22px;margin-bottom:12px;background:rgba(255,255,255,.02)}
.lead-row .mono{color:var(--gold)}
.kv{display:grid;grid-template-columns:150px 1fr;gap:6px 18px;margin-top:14px;font-size:14.5px}
.kv span:first-child{color:var(--grey-2)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .divisions{grid-template-columns:1fr 1fr}
  .div-col{border-bottom:1px solid var(--line)}
  .div-col:nth-child(2){border-right:0}
  .metrics{grid-template-columns:1fr 1fr}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
  .vent{grid-template-columns:1fr 1fr}
  .case{grid-template-columns:1fr}
  .engage{grid-template-columns:1fr}
  .about,.compare,.form-shell{grid-template-columns:1fr}
  .os-row{grid-template-columns:110px 1fr;row-gap:12px}
  .os-row p{grid-column:2}
}
@media (max-width:760px){
  body{font-size:16px}
  nav{height:72px;gap:12px}
  nav .logo{height:32px}
  nav ul,nav .btn{display:none}
  .burger{display:block}
  .mnav{position:fixed;inset:72px 0 auto;z-index:65;background:rgba(4,5,10,.97);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);padding:26px var(--gut) 34px}
  .mnav.open{display:block}
  .mnav a{display:block;padding:15px 0;border-bottom:1px solid var(--line);font-size:19px}
  .mnav .btn{margin-top:22px;width:100%;justify-content:center}
  .hero{padding-top:134px;min-height:auto;padding-bottom:70px}
  .disciplines ul{gap:14px}
  .disciplines li{font-size:10px}
  .divisions{grid-template-columns:1fr}
  .div-col{border-right:0}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:0}
  .vent{grid-template-columns:1fr}
  .fields.two{grid-template-columns:1fr}
  .flow-nodes{grid-template-columns:repeat(5,1fr);row-gap:26px}
  .flow-line{display:none}
  .flow-node .mono{font-size:9.5px}
  .scrollcue{display:none}
  .card-form{min-height:0;padding:24px 20px}
  .foot-top{gap:28px}
}