/* =====================================================================
   CAVIAR PIXELS™ — DIGITAL OPULENCE™ / Client Zero Edition
   Built to the Digital Brand Bible.
   01 Black is the environment. 02 Platinum is the information.
   03 Gold is the signal. 04 Typography is architecture.
   ===================================================================== */
:root{
  --obsidian:#050505; --carbon:#0D0D0D; --graphite:#181818; --smoke:#777777;
  --platinum:#D7D4CC; --gold:#B7A06A; --white:#F3F1EB;
  --plat-72:rgba(215,212,204,.72); --plat-52:rgba(215,212,204,.52); --plat-32:rgba(215,212,204,.32);
  --rule:rgba(215,212,204,.11); --rule-2:rgba(215,212,204,.22);
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --grotesk:"Inter Tight","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --m:clamp(22px,8vw,148px);          /* bible: desktop margins 7-10%, mobile 6-8% */
  --maxw:1680px;
  --ease:cubic-bezier(.2,.7,.15,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--obsidian)}
html:focus-within{scroll-behavior:smooth}
body{margin:0;background:var(--obsidian);color:var(--platinum);
  font:300 clamp(15.5px,1.02vw,17px)/1.7 var(--grotesk);letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
::selection{background:rgba(183,160,106,.3);color:var(--white)}
:focus-visible{outline:1px solid var(--gold);outline-offset:4px}
/* photographic grain — texture, not decoration */
body::after{content:"";position:fixed;inset:-50%;z-index:9998;pointer-events:none;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E")}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--m)}
.skip{position:fixed;top:-120px;left:18px;z-index:300;background:var(--platinum);color:var(--obsidian);
  padding:12px 18px;font:500 .75rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;transition:top .25s}
.skip:focus{top:18px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- typography: DISPLAY → HEADLINE → BODY → LABEL → INDEX → DATA ---------- */
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:300;letter-spacing:-.018em;line-height:1;color:var(--white)}
.display{font-size:clamp(3.2rem,9.4vw,10rem);line-height:.9;letter-spacing:-.032em}
.headline{font-size:clamp(2.3rem,5.4vw,5.6rem);line-height:.96}
h3,.h3{font-size:clamp(1.45rem,2.2vw,2.1rem);line-height:1.12;letter-spacing:-.01em}
.it{font-style:italic}
p{margin:0 0 1.15em}
.body-l{font-size:clamp(1.02rem,1.25vw,1.2rem);line-height:1.7;color:var(--plat-72);max-width:58ch}
.body{color:var(--plat-72);max-width:62ch}
.label{font:400 .7rem/1.4 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--smoke)}
.index{font:400 .72rem/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--platinum)}
.index b{font-weight:400;color:var(--gold)}
.data{font:300 .82rem/1.5 var(--mono);color:var(--plat-72);font-variant-numeric:tabular-nums}
.tm{font-size:.42em;vertical-align:super;letter-spacing:0;margin-left:.04em}
.gold{color:var(--gold)}

/* ---------- header / navigation ---------- */
.hdr{position:fixed;inset:0 0 auto;z-index:200;transition:background .5s,border-color .5s;border-bottom:1px solid transparent}
.hdr.stuck{background:rgba(5,5,5,.78);backdrop-filter:blur(18px) saturate(115%);-webkit-backdrop-filter:blur(18px) saturate(115%);border-bottom-color:var(--rule)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;height:78px}
.mark{display:flex;align-items:center;gap:14px;flex-shrink:0;color:var(--platinum)}
.mark .cpx{width:34px;height:34px}
.mark .wm{height:13px;width:auto;opacity:.95}
.nav{display:flex;align-items:center;gap:0}
.nav a{position:relative;padding:10px 13px;font:400 .68rem/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--plat-52);transition:color .35s}
.nav a:hover,.nav a:focus-visible{color:var(--gold)}
.nav a[aria-current=page]{color:var(--platinum)}
.nav a[aria-current=page]::after{content:"";position:absolute;left:50%;bottom:2px;width:3px;height:3px;background:var(--gold);transform:translateX(-50%)}
.nav a.nav-contact{margin-left:10px;color:var(--platinum);box-shadow:inset 0 0 0 1px var(--rule-2);padding:12px 16px}
.nav a.nav-contact:hover{box-shadow:inset 0 0 0 1px var(--gold);color:var(--gold)}
.burger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative;padding:0}
.burger i{position:absolute;left:12px;width:20px;height:1px;background:var(--platinum);transition:.35s var(--ease)}
.burger i:nth-child(1){top:18px}.burger i:nth-child(2){top:25px}
.hdr.open .burger i:nth-child(1){top:21px;transform:rotate(45deg)}.hdr.open .burger i:nth-child(2){top:21px;transform:rotate(-45deg)}
@media (max-width:1120px){
  .burger{display:block}
  .nav{position:fixed;inset:78px 0 auto;flex-direction:column;align-items:flex-start;background:rgba(5,5,5,.97);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:18px var(--m) 34px;border-bottom:1px solid var(--rule);
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:.35s var(--ease)}
  .hdr.open .nav{opacity:1;visibility:visible;transform:none}
  .nav a{padding:15px 0;font-size:.8rem;width:100%;border-bottom:1px solid var(--rule)}
  .nav a[aria-current=page]::after{left:auto;right:0;bottom:50%}
  .nav a.nav-contact{margin:18px 0 0;padding:15px 16px;width:auto}
}

/* ---------- page index (numbers as navigational architecture) ---------- */
.pindex{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.pindex a{padding:18px 16px 18px 0;font:400 .68rem/1.3 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--plat-52);
  transition:color .35s;border-right:1px solid var(--rule);padding-left:16px}
.pindex a:first-child{padding-left:0}.pindex a:last-child{border-right:0}
.pindex a span{display:block;color:var(--smoke);margin-bottom:6px}
.pindex a:hover{color:var(--gold)}
.pindex a[aria-current=page]{color:var(--platinum)}
.pindex a[aria-current=page] span{color:var(--gold)}
@media (max-width:760px){.pindex{grid-template-columns:repeat(2,1fr)}.pindex a{border-bottom:1px solid var(--rule);padding-left:0}
  .pindex a:nth-child(odd){border-right:1px solid var(--rule)}.pindex a:nth-child(even){padding-left:14px;border-right:0}}

/* ---------- hero (L01) ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;isolation:isolate}
.hero.short{min-height:clamp(560px,82svh,900px)}
.hero-photo{position:absolute;inset:-4%;z-index:-2;background-size:cover;background-position:center;
  animation:drift 90s ease-in-out infinite alternate;will-change:transform}
@keyframes drift{from{transform:scale(1.02) translate3d(0,0,0)}to{transform:scale(1.1) translate3d(-1.6%,-1.2%,0)}}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(5,5,5,.72) 0%,rgba(5,5,5,.18) 30%,rgba(5,5,5,.35) 62%,rgba(5,5,5,.96) 100%),
             linear-gradient(90deg,rgba(5,5,5,.7) 0%,rgba(5,5,5,.1) 60%)}
.hero .wrap{width:100%;padding-top:128px;padding-bottom:clamp(40px,6vh,76px)}
.hero .index{margin-bottom:clamp(26px,4vh,46px);display:flex;gap:22px;flex-wrap:wrap}
.hero h1{max-width:13ch}
.hero .body-l{margin-top:clamp(24px,3.4vh,36px);max-width:52ch;color:var(--plat-72)}
.hero .acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(28px,4vh,44px)}
.hero .caption{position:absolute;right:var(--m);bottom:clamp(40px,6vh,76px);max-width:280px}
@media (max-width:900px){.hero .caption{display:none}}

/* ---------- actions ---------- */
.act{display:inline-flex;align-items:center;gap:14px;padding:16px 22px;font:400 .72rem/1 var(--mono);letter-spacing:.18em;
  text-transform:uppercase;color:var(--obsidian);background:var(--platinum);border:0;cursor:pointer;transition:background .35s,color .35s}
.act:hover{background:var(--gold);color:var(--obsidian)}
.act.ghost{background:transparent;color:var(--platinum);box-shadow:inset 0 0 0 1px var(--rule-2)}
.act.ghost:hover{box-shadow:inset 0 0 0 1px var(--gold);color:var(--gold)}
.act .arr{width:18px;height:1px;background:currentColor;position:relative}
.act .arr::after{content:"";position:absolute;right:0;top:-3px;width:6px;height:6px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.lnk{display:inline-flex;align-items:center;gap:12px;font:400 .72rem/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--platinum);padding-bottom:6px;box-shadow:inset 0 -1px 0 var(--rule-2);transition:color .35s,box-shadow .35s}
.lnk:hover{color:var(--gold);box-shadow:inset 0 -1px 0 var(--gold)}

/* ---------- sections & editorial grid ---------- */
section{position:relative}
.sec{padding-block:clamp(88px,11vw,180px)}
.sec.tight{padding-block:clamp(60px,7vw,110px)}
.rule{height:1px;background:var(--rule);border:0;margin:0}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px)}
.c1-7{grid-column:1/8}.c1-6{grid-column:1/7}.c1-5{grid-column:1/6}.c1-8{grid-column:1/9}.c1-12{grid-column:1/-1}
.c8-12{grid-column:8/13}.c7-12{grid-column:7/13}.c9-12{grid-column:9/13}.c6-12{grid-column:6/13}.c2-12{grid-column:2/13}.c3-11{grid-column:3/12}
@media (max-width:900px){.grid>*{grid-column:1/-1!important}}
.sechead{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px);align-items:end;margin-bottom:clamp(44px,5.5vw,84px)}
.sechead .index{grid-column:1/4;align-self:start;padding-top:.8em}
.sechead h2{grid-column:4/12}
.sechead .body-l{grid-column:4/11;margin-top:26px}
@media (max-width:900px){.sechead>*{grid-column:1/-1!important}.sechead .index{margin-bottom:22px}}

/* ---------- typographic event ---------- */
.event{padding-block:clamp(110px,15vw,240px)}
.event .line{font-family:var(--serif);font-weight:300;color:var(--white);font-size:clamp(3rem,10.5vw,12rem);line-height:.86;letter-spacing:-.04em}
.event .line.indent{padding-left:clamp(0px,18vw,340px)}
.event .notes{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px);margin-top:clamp(40px,5vw,72px)}
.event .notes p{grid-column:span 3;font:300 .8rem/1.6 var(--mono);color:var(--smoke);margin:0}
.event .notes p b{display:block;color:var(--platinum);font-weight:400;margin-bottom:6px}
@media (max-width:900px){.event .notes p{grid-column:span 6;margin-bottom:20px}}

/* ---------- dark glass (bible §20) ---------- */
.glass{position:relative;background:linear-gradient(180deg,rgba(24,24,24,.62),rgba(13,13,13,.72));
  backdrop-filter:blur(16px) saturate(110%);-webkit-backdrop-filter:blur(16px) saturate(110%);
  box-shadow:inset 0 1px 0 rgba(243,241,235,.07),inset 0 0 0 1px rgba(215,212,204,.08)}
.glass::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;mix-blend-mode:overlay;
  background:linear-gradient(115deg,rgba(243,241,235,.06) 0%,transparent 28%,transparent 72%,rgba(243,241,235,.03) 100%)}

/* ---------- chapter index (home) ---------- */
.chapters{border-top:1px solid var(--rule)}
.chapter{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px);align-items:center;
  padding-block:clamp(22px,2.6vw,36px);border-bottom:1px solid var(--rule);position:relative;transition:background .5s}
.chapter .index{grid-column:1/3}
.chapter h3{grid-column:3/7;font-size:clamp(1.8rem,3.4vw,3.3rem);transition:color .45s}
.chapter p{grid-column:7/10;margin:0;color:var(--plat-52);font-size:.92rem}
.chapter figure{grid-column:10/13;margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--carbon)}
.chapter figure img{width:100%;height:100%;object-fit:cover;opacity:.7;filter:grayscale(.25);transition:opacity .6s,filter .6s,transform 1.6s var(--ease)}
.chapter:hover h3{color:var(--gold)}
.chapter:hover figure img{opacity:1;filter:none;transform:scale(1.04)}
@media (max-width:900px){.chapter{row-gap:12px}.chapter>*{grid-column:1/-1!important}.chapter figure{order:-1}}

/* ---------- instrument / diagram frames ---------- */
.instrument{position:relative;padding:clamp(24px,3vw,48px)}
.instrument svg{width:100%;height:auto}
.instrument .cap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:22px;padding-top:16px;border-top:1px solid var(--rule)}
.pair{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px);align-items:stretch}
.pair .photo{grid-column:1/7;min-height:420px;overflow:hidden;position:relative}
.pair .photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pair .diagram{grid-column:7/13}
@media (max-width:900px){.pair>*{grid-column:1/-1!important}.pair .photo{min-height:260px}}

/* line construction + number counting (bible §30: motion is revelation) */
.js .rv .draw{stroke-dasharray:1;stroke-dashoffset:1}
.js .rv.in .draw{animation:construct 2.4s var(--ease) forwards}
.js .rv .node{opacity:0}
.js .rv.in .node{animation:appear .9s ease forwards;animation-delay:1.3s}
.js .rv .signal{opacity:0}
.js .rv.in .signal{animation:appear 1.2s ease forwards;animation-delay:1.9s}
@keyframes construct{to{stroke-dashoffset:0}}
@keyframes appear{to{opacity:1}}
.cpx-failsafe .draw,.cpx-failsafe .node,.cpx-failsafe .signal{stroke-dashoffset:0!important;opacity:1!important;animation:none!important}

/* ---------- identity architecture (interactive layers) ---------- */
.ia{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px);align-items:center}
.ia .svgwrap{grid-column:1/8}
.ia .layers{grid-column:8/13;list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.ia .layers li{border-bottom:1px solid var(--rule)}
.ia .layers button{all:unset;cursor:pointer;display:grid;grid-template-columns:44px 1fr;gap:10px;width:100%;box-sizing:border-box;padding:14px 0}
.ia .layers .n{font:400 .7rem/1.6 var(--mono);letter-spacing:.14em;color:var(--smoke)}
.ia .layers strong{font:400 .78rem/1.6 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--plat-72);transition:color .3s}
.ia .layers span.d{grid-column:2;font-size:.86rem;color:var(--plat-52);max-height:0;overflow:hidden;transition:max-height .45s var(--ease)}
.ia .layers button[aria-pressed=true] strong,.ia .layers button:hover strong{color:var(--gold)}
.ia .layers button[aria-pressed=true] .n{color:var(--gold)}
.ia .layers button[aria-pressed=true] span.d{max-height:6em}
.ia svg .plane{transition:opacity .45s}
.ia svg.focus .plane{opacity:.28}
.ia svg.focus .plane.on{opacity:1}
@media (max-width:900px){.ia>*{grid-column:1/-1!important}.ia .layers{margin-top:26px}}

/* ---------- diagnostic cards (bible §19) ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.dcard{background:var(--obsidian);padding:clamp(28px,2.8vw,44px) clamp(22px,2.2vw,34px);display:flex;flex-direction:column;min-height:420px;position:relative;transition:background .5s}
.dcard:hover{background:var(--carbon)}
.dcard .big{font:300 clamp(3.4rem,5.4vw,5.4rem)/.9 var(--serif);color:var(--white);letter-spacing:-.03em}
.dcard h3{margin-top:26px;font-size:1.55rem}
.dcard p{margin:12px 0 0;color:var(--plat-52);font-size:.92rem}
.dcard .grade{margin-top:auto;padding-top:26px;display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-top:1px solid var(--rule)}
.dcard .grade .e{font:400 .72rem/1 var(--mono);letter-spacing:.16em;color:var(--gold)}
.dcard .price{font:300 .9rem/1 var(--mono);color:var(--platinum)}
.dcard .lnk{margin-top:22px;align-self:flex-start}
.dcard .ph{margin:calc(-1 * clamp(28px,2.8vw,44px)) calc(-1 * clamp(22px,2.2vw,34px)) 28px;aspect-ratio:16/10;overflow:hidden}
.dcard .ph img{width:100%;height:100%;object-fit:cover;opacity:.78;filter:grayscale(.2);transition:opacity .6s,filter .6s}
.dcard:hover .ph img{opacity:1;filter:none}

/* ---------- evidence panels ---------- */
.evidence{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.evidence .ev{padding:22px 18px 24px;min-height:190px;display:flex;flex-direction:column}
.evidence .ev .code{font:300 2.4rem/1 var(--mono);color:var(--white)}
.evidence .ev .nm{margin-top:12px;font:400 .68rem/1.4 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--platinum)}
.evidence .ev p{margin:auto 0 0;padding-top:16px;font-size:.8rem;line-height:1.55;color:var(--plat-52)}
.evidence .ev.hi .code{color:var(--gold)}
@media (max-width:1000px){.evidence{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.evidence{grid-template-columns:repeat(2,1fr)}}

/* ---------- figures & mockups ---------- */
.fig{margin:0;position:relative;overflow:hidden;background:var(--carbon)}
.fig img{width:100%;height:100%;object-fit:cover}
.fig figcaption{position:absolute;left:0;bottom:0;padding:14px 18px;max-width:100%}
.mock{position:relative;overflow:hidden;background:var(--carbon);margin:0}
.mock img.bg{width:100%;height:100%;object-fit:cover;display:block}
.mock .ov{position:absolute;left:var(--x,50%);top:var(--y,50%);width:var(--w,40%);transform:translate(-50%,-50%) rotate(var(--r,0deg));
  color:var(--platinum);opacity:.92;mix-blend-mode:screen}
.mock .ov svg{width:100%;height:auto}
.mocks{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(12px,1.4vw,22px)}
.mocks .m1{grid-column:1/8;aspect-ratio:16/10}.mocks .m2{grid-column:8/13;aspect-ratio:4/5}
.mocks .m3{grid-column:1/6;aspect-ratio:4/3}.mocks .m4{grid-column:6/13;aspect-ratio:16/9}
@media (max-width:900px){.mocks>*{grid-column:1/-1!important}}

/* ---------- photo tiles (services, stages, IP) ---------- */
.tiles{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule);grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.tile{position:relative;display:flex;flex-direction:column;background:var(--obsidian);color:inherit;margin:0;transition:background .5s;cursor:pointer}
.tile:hover{background:var(--carbon)}
.tile .ph{aspect-ratio:4/5;overflow:hidden}
.tile.wide .ph{aspect-ratio:16/9}
.tile .ph img{width:100%;height:100%;object-fit:cover;opacity:.8;filter:grayscale(.2);transition:opacity .6s,filter .6s,transform 1.8s var(--ease)}
.tile:hover .ph img{opacity:1;filter:none;transform:scale(1.04)}
.tile .cap{padding:18px 18px 22px}
.tile .n{display:block;font:400 .66rem/1 var(--mono);letter-spacing:.18em;color:var(--smoke);margin-bottom:12px;text-transform:uppercase}
.tile h3{font-size:1.35rem;transition:color .4s}
.tile:hover h3{color:var(--gold)}
.tile p{margin:8px 0 0;font-size:.84rem;color:var(--plat-52)}
button.tile{all:unset;box-sizing:border-box;display:flex;flex-direction:column;background:var(--obsidian);cursor:pointer}
.stagebar{grid-template-columns:repeat(6,minmax(0,1fr))}
.stagebar .tile .ph{aspect-ratio:4/3}
.stagebar .tile[aria-pressed=false] .ph img{opacity:.35}
.stagebar .tile[aria-pressed=true] .n{color:var(--gold)}
@media (max-width:1000px){.stagebar{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.stagebar{grid-template-columns:repeat(2,1fr)}}

/* ---------- families gallery ---------- */
.families{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.families figure{margin:0;background:var(--obsidian);padding:clamp(18px,2vw,30px)}
.families figcaption{display:flex;justify-content:space-between;margin-top:14px;padding-top:12px;border-top:1px solid var(--rule)}
@media (max-width:800px){.families{grid-template-columns:repeat(2,1fr)}}

/* ---------- router / configurator / register (retained instruments, restyled) ---------- */
.router{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px);align-items:stretch}
.leakbtns{grid-column:1/6;border-top:1px solid var(--rule)}
.leakbtn{all:unset;box-sizing:border-box;cursor:pointer;display:grid;grid-template-columns:40px 1fr;gap:14px;width:100%;padding:20px 0;border-bottom:1px solid var(--rule)}
.leakbtn .thumb{display:none}
.leakbtn .n{font:400 .7rem/1.7 var(--mono);color:var(--smoke);letter-spacing:.12em}
.leakbtn strong{display:block;font:400 1.25rem/1.25 var(--serif);color:var(--plat-72);transition:color .3s}
.leakbtn span.s{display:block;font-size:.84rem;color:var(--plat-52);margin-top:4px}
.leakbtn[aria-selected=true] strong,.leakbtn:hover strong{color:var(--white)}
.leakbtn[aria-selected=true] .n{color:var(--gold)}
.routeout{grid-column:6/13;padding:clamp(26px,3vw,46px);display:flex;flex-direction:column;justify-content:flex-end;min-height:440px;overflow:hidden}
.routeout .rimg{position:absolute;right:-4%;top:-4%;width:62%;opacity:.55;pointer-events:none}
.routeout.swap .rimg{opacity:0;transition:opacity .25s}
.routeout .rimg img{width:100%}
.routeout .k{margin:0 0 16px}
.routeout h3{font-size:clamp(1.8rem,3vw,2.6rem);margin-bottom:14px;position:relative}
#routeNote{color:var(--plat-72);max-width:46ch;position:relative}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 28px;position:relative}
.chip{font:400 .7rem/1 var(--mono);letter-spacing:.1em;color:var(--platinum);padding:10px 12px;box-shadow:inset 0 0 0 1px var(--rule-2)}
a.chip:hover{box-shadow:inset 0 0 0 1px var(--gold);color:var(--gold)}
@media (max-width:900px){.router>*{grid-column:1/-1!important}.routeout{margin-top:20px;min-height:380px}}
.config{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px);align-items:end}
.config .left{grid-column:1/9}.config .readout{grid-column:9/13;padding:clamp(26px,2.6vw,40px)}
.mods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:28px}
.mod{all:unset;box-sizing:border-box;cursor:pointer;display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center;padding:14px;background:var(--obsidian);transition:background .4s;position:relative}
.mod:hover{background:var(--carbon)}
.mod .mimg{width:96px;aspect-ratio:1;overflow:hidden}
.mod .mimg img{width:100%;height:100%;object-fit:cover;opacity:.6;filter:grayscale(.4);transition:.5s}
.mod[aria-pressed=true]{background:var(--graphite)}
.mod[aria-pressed=true] .mimg img{opacity:1;filter:none}
.mod strong{display:block;font:400 1.08rem/1.2 var(--serif);color:var(--white)}
.mod span.t{display:block;font-size:.78rem;color:var(--plat-52);margin-top:4px}
.mod b{display:block;margin-top:8px;font:400 .72rem/1 var(--mono);letter-spacing:.1em;color:var(--platinum)}
.mod[aria-pressed=true] b{color:var(--gold)}
.mod .tick{position:absolute;top:14px;right:14px;width:12px;height:12px;box-shadow:inset 0 0 0 1px var(--rule-2)}
.mod .tick svg{display:none}
.mod[aria-pressed=true] .tick{background:var(--gold);box-shadow:none}
.total{font:300 clamp(3rem,6vw,4.8rem)/1 var(--serif);color:var(--white);margin:14px 0 10px;font-variant-numeric:tabular-nums}
#totalLine{font-size:.84rem;color:var(--plat-52);min-height:3em}
.readout .act{margin-top:18px}
@media (max-width:900px){.config>*{grid-column:1/-1!important}.config .readout{margin-top:20px}}
@media (max-width:560px){.mods{grid-template-columns:1fr}}
.ledger-tools{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:34px;padding-bottom:18px;border-bottom:1px solid var(--rule)}
.search{position:relative;flex:1 1 240px;max-width:360px}
.search input{width:100%;background:none;border:0;box-shadow:inset 0 -1px 0 var(--rule-2);padding:12px 4px 12px 28px;font:300 .9rem/1 var(--mono);border-radius:0}
.search input:focus{outline:none;box-shadow:inset 0 -1px 0 var(--gold)}
.search svg{position:absolute;left:2px;top:50%;transform:translateY(-50%);color:var(--smoke)}
#regCount{margin-left:auto;font:400 .7rem/1 var(--mono);letter-spacing:.16em;color:var(--smoke);text-transform:uppercase}
.ledger{list-style:none;margin:0;padding:0}
.ledger li{border-bottom:1px solid var(--rule);position:relative}
.node{all:unset;box-sizing:border-box;cursor:pointer;display:grid;width:100%;grid-template-columns:110px minmax(0,1fr) minmax(0,1.4fr) 190px;gap:20px;align-items:baseline;padding:18px 0;transition:background .3s,padding-left .45s var(--ease)}
.node:hover{background:var(--carbon);padding-left:12px}
.node .id{font:400 .74rem/1 var(--mono);letter-spacing:.1em;color:var(--smoke)}
.node h4{font:400 1.18rem/1.2 var(--serif);color:var(--plat-72);margin:0;transition:color .3s}
.node:hover h4{color:var(--gold)}
.node p{margin:0;font-size:.86rem;color:var(--plat-52)}
.node .tag{font:400 .64rem/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--smoke);text-align:right}
@media (max-width:900px){.node{grid-template-columns:90px 1fr;gap:6px 14px}.node p,.node .tag{grid-column:1/-1;text-align:left}}
.reg-empty{padding:48px 0;color:var(--smoke);font:300 .9rem/1.5 var(--mono)}
dialog{border:0;padding:0;background:var(--carbon);color:var(--platinum);max-width:560px;width:calc(100% - 32px);box-shadow:inset 0 0 0 1px var(--rule-2)}
dialog::backdrop{background:rgba(5,5,5,.86);backdrop-filter:blur(6px)}
.dlg-img{height:190px;overflow:hidden;position:relative}
.dlg-img img{width:100%;height:100%;object-fit:cover;opacity:.75}
.dlg{padding:clamp(26px,3vw,40px);position:relative}
.dlg .id{font:400 .72rem/1 var(--mono);letter-spacing:.14em;color:var(--gold);margin:0}
.dlg h3{font-size:2rem;margin:12px 0 14px}
.dlg p{color:var(--plat-72)}
.dlg dl{display:grid;grid-template-columns:auto 1fr;gap:10px 24px;margin:24px 0 0;padding-top:18px;border-top:1px solid var(--rule);font:300 .82rem/1.4 var(--mono)}
.dlg dt{color:var(--smoke);text-transform:uppercase;letter-spacing:.12em}
.dlg dd{margin:0;color:var(--platinum)}
.dlg .close{position:absolute;top:12px;right:12px;all:unset;cursor:pointer;width:36px;height:36px;display:grid;place-items:center;color:var(--smoke)}
.dlg .close:hover{color:var(--gold)}

/* ---------- pulse / lists / process ---------- */
.pulse{padding:clamp(26px,3vw,44px)}
.pulse-top{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--rule)}
.pulse-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:24px;margin:24px 0 0}
.pulse-grid dt{font:400 .64rem/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--smoke);margin-bottom:10px}
.pulse-grid dd{margin:0;font:300 1.6rem/1.1 var(--mono);color:var(--white);transition:opacity .25s}
.pulse-grid dd.flip{opacity:0}
.list{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.list li{display:grid;grid-template-columns:minmax(120px,.35fr) 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.list li b{font:400 .74rem/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--platinum)}
.list li span{color:var(--plat-52);font-size:.92rem}
.list li.hi b{color:var(--gold)}
.law{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(20px,3vw,60px);border-top:1px solid var(--rule)}
.law li{display:grid;grid-template-columns:52px 1fr;padding:18px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.law li .n{font:400 .74rem/1 var(--mono);color:var(--smoke);letter-spacing:.12em}
.law li span{font:300 clamp(1.2rem,1.8vw,1.6rem)/1.25 var(--serif);color:var(--white)}
.law li.hi .n{color:var(--gold)}
@media (max-width:760px){.law{grid-template-columns:1fr}}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));border-top:1px solid var(--rule)}
.steps .st{padding:24px 22px 28px 0;border-right:1px solid var(--rule)}
.steps .st:not(:first-child){padding-left:22px}.steps .st:last-child{border-right:0}
.steps .st .index{display:block;margin-bottom:18px}
.steps .st h3{font-size:1.4rem;margin-bottom:8px}
.steps .st p{margin:0;font-size:.86rem;color:var(--plat-52)}
@media (max-width:760px){.steps .st{border-right:0;border-bottom:1px solid var(--rule);padding-left:0!important}}

/* ---------- case study (bible §26) ---------- */
.case{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px);padding-block:clamp(60px,7vw,110px);border-top:1px solid var(--rule)}
.case .index{grid-column:1/3;padding-top:.5em}
.case .ct{grid-column:3/7}
.case .ct h3{font-size:clamp(1.8rem,3vw,2.8rem);margin-bottom:18px}
.case .vis{grid-column:7/13}
.case.full .vis{grid-column:3/13;margin-top:34px}
@media (max-width:900px){.case>*{grid-column:1/-1!important}.case .vis{margin-top:26px}}
.lesson{font:300 clamp(2.4rem,6.4vw,6.4rem)/.95 var(--serif);color:var(--white);letter-spacing:-.03em}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px)}
.contact .left{grid-column:1/6}.contact form{grid-column:6/13}
@media (max-width:900px){.contact>*{grid-column:1/-1!important}.contact form{margin-top:36px}}
.direct{list-style:none;margin:28px 0 0;padding:0;border-top:1px solid var(--rule)}
.direct li{border-bottom:1px solid var(--rule)}
.direct a,.direct span.row{display:grid;grid-template-columns:90px 1fr;gap:16px;padding:16px 0;font:300 .92rem/1.4 var(--mono);transition:color .3s}
.direct a:hover{color:var(--gold)}
.direct .k{font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--smoke);padding-top:.2em}
form{padding:clamp(26px,3vw,44px)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:620px){.fgrid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:10px}.field.wide{grid-column:1/-1}
label{font:400 .64rem/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--smoke)}
input,textarea,select{background:none;border:0;box-shadow:inset 0 -1px 0 var(--rule-2);padding:11px 2px;font:300 .98rem/1.4 var(--grotesk);width:100%;border-radius:0;color:var(--platinum)}
input:focus,textarea:focus,select:focus{outline:none;box-shadow:inset 0 -1px 0 var(--gold)}
textarea{resize:vertical;min-height:130px;line-height:1.6}
select{appearance:none;cursor:pointer;padding-right:24px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none' stroke='%23777777'%3E%3Cpath d='M1 1l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 2px center}
select option{background:var(--carbon);color:var(--platinum)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
form .act{margin-top:30px}
form .act[data-busy=true]{opacity:.55;pointer-events:none}
#formMsg{margin:18px 0 0;font:300 .86rem/1.5 var(--mono);min-height:1.5em}
#formMsg[data-tone=ok]{color:var(--gold)}#formMsg[data-tone=err]{color:#d98a6c}

/* ---------- prose (legal) ---------- */
.prose{max-width:70ch}
.prose h2{font-size:clamp(1.5rem,2.4vw,2rem);margin:54px 0 14px;font-weight:400}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:var(--plat-72)}
.prose ul{list-style:none;margin:0 0 1.3em;padding:0}
.prose li{position:relative;padding:0 0 10px 22px}
.prose li::before{content:"";position:absolute;left:0;top:.8em;width:9px;height:1px;background:var(--smoke)}
.prose a{color:var(--platinum);box-shadow:inset 0 -1px 0 var(--rule-2)}
.prose a:hover{color:var(--gold);box-shadow:inset 0 -1px 0 var(--gold)}
.prose strong{color:var(--white);font-weight:400}
.prose dl{display:grid;grid-template-columns:auto 1fr;gap:10px 26px;margin:0 0 1.4em}
.prose dt{font:400 .74rem/1.6 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--platinum)}
.prose dd{margin:0;color:var(--plat-72)}
.callout{padding:24px 26px;margin:40px 0}
.callout p:last-child{margin:0}

/* ---------- 404 ---------- */
.nf{min-height:80svh;display:flex;flex-direction:column;justify-content:center;padding-top:120px}
.nf .code{font:300 clamp(6rem,20vw,16rem)/.85 var(--mono);color:var(--graphite);margin:0}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--rule);padding-block:clamp(60px,7vw,100px) 38px}
.foot{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(14px,1.6vw,28px);row-gap:36px}
.foot .brand{grid-column:1/5}
.foot .brand .wm{width:min(300px,80%);height:auto;color:var(--platinum)}
.foot .brand p{margin-top:18px;font:300 .8rem/1.6 var(--mono);color:var(--smoke);max-width:36ch}
.foot nav{grid-column:span 2;display:flex;flex-direction:column;gap:10px}
.foot nav .label{margin-bottom:6px}
.foot nav a{font:300 .82rem/1.4 var(--mono);color:var(--plat-52);transition:color .3s}
.foot nav a:hover{color:var(--gold)}
.foot-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:clamp(40px,5vw,70px);padding-top:20px;border-top:1px solid var(--rule);font:300 .7rem/1.4 var(--mono);letter-spacing:.08em;color:var(--smoke)}
@media (max-width:900px){.foot .brand{grid-column:1/-1}.foot nav{grid-column:span 6}}

/* ---------- reveal ---------- */
.rv{transition:opacity 1s var(--ease),transform 1s var(--ease)}
.js .rv{opacity:0;transform:translateY(14px)}
.js .rv.in,.cpx-failsafe .rv{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html:focus-within{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .js .rv{opacity:1;transform:none}
  .js .rv .draw{stroke-dashoffset:0}.js .rv .node,.js .rv .signal{opacity:1}
}
/* mockup frames keep the photo's native ratio so overlays stay on the surface */
.mocks{align-items:start}
.mocks .m1{grid-column:1/6;aspect-ratio:auto}.mocks .m2{grid-column:6/13;aspect-ratio:auto}
.mocks .m3{grid-column:1/8;aspect-ratio:auto}.mocks .m4{grid-column:8/13;aspect-ratio:auto}
.mock img.bg{position:absolute;inset:0;height:100%}
.dcard .grade{flex-direction:column;align-items:flex-start;gap:10px}
.dcard .grade .e,.dcard .price{line-height:1.5}

/* ---------- Detect instrument ---------- */
#instrument .qgroup{margin-bottom:34px}
#instrument .qgroup > .index{margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--rule)}
#instrument fieldset.q{border:0;margin:0;padding:16px 0;border-bottom:1px solid var(--rule)}
#instrument legend{padding:0;font-size:1rem;color:var(--white);line-height:1.45;margin-bottom:12px;display:block;float:left;width:100%}
#instrument legend .data{color:var(--smoke);margin-right:8px;font-size:.72rem}
#instrument .scale{clear:both;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
#instrument .scale .lo,#instrument .scale .hi{font:400 .62rem/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--smoke)}
#instrument .scale .lo{margin-right:6px}#instrument .scale .hi{margin-left:6px}
#instrument .opt{position:relative;cursor:pointer}
#instrument .opt input{position:absolute;opacity:0;width:1px;height:1px}
#instrument .opt span{display:grid;place-items:center;width:40px;height:40px;font:400 .8rem/1 var(--mono);color:var(--plat-72);box-shadow:inset 0 0 0 1px var(--rule-2);transition:.25s}
#instrument .opt:hover span{box-shadow:inset 0 0 0 1px var(--platinum);color:var(--white)}
#instrument .opt input:checked + span{background:var(--platinum);color:var(--obsidian);box-shadow:none}
#instrument .opt input:focus-visible + span{outline:1px solid var(--gold);outline-offset:3px}
#instrument .act{margin-top:10px}
#inst-bars .bar{display:grid;grid-template-columns:150px 1fr 56px;gap:14px;align-items:center;padding:12px 0;border-bottom:1px solid var(--rule)}
#inst-bars .track{height:1px;background:var(--rule-2);position:relative}
#inst-bars .track i{position:absolute;left:0;top:-1px;height:3px;background:var(--platinum);transition:width 1.2s var(--ease)}
#inst-bars .bar.weak .track i{background:var(--gold)}
#inst-bars .bar.weak .index{color:var(--gold)}
#inst-bars .data{text-align:right;color:var(--white)}
@media (max-width:560px){#inst-bars .bar{grid-template-columns:1fr 50px}#inst-bars .track{grid-column:1/-1;order:3}}
.steps-list i{font-style:normal;font:400 .62rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--smoke);margin-right:10px;display:inline-block;padding:3px 0}
.steps-list i.done{color:var(--plat-72);text-decoration:line-through;text-decoration-color:var(--rule-2)}
.steps-list i.now{color:var(--gold)}

/* QA: graphic-family grids never overflow on small screens */
.families figure{min-width:0}
.families figcaption{flex-wrap:wrap;gap:6px 14px}
.families figure svg{width:100%;height:auto}
@media (max-width:900px){.families{grid-template-columns:repeat(2,minmax(0,1fr))!important}}
@media (max-width:520px){.families{grid-template-columns:1fr!important}}

/* ===== page-QA fixes (2026-09-26 04:50) ===== */
/* art-directed mobile focal point for heroes */
@media (max-width:760px){.hero-photo{background-position:var(--fx,50% 50%);background-size:var(--fs,cover)}}
/* conversion module: aligned, tighter rhythm, never wraps its buttons */
.sec.convert{padding-top:clamp(36px,4.5vw,84px)}
.convert-acts{display:flex;flex-wrap:wrap;gap:12px;margin-left:calc(25% + 4px)}
@media (max-width:900px){.convert-acts{margin-left:0}}
.act{white-space:nowrap}
@media (max-width:420px){.act{font-size:.66rem;letter-spacing:.14em;padding:15px 16px;gap:10px}.act .arr{width:14px}}
/* graphic-family captions: index above label, never colliding */
.families figcaption{flex-direction:column;align-items:flex-start;gap:6px}
/* identity architecture: the list below carries the labels on phones */
@media (max-width:600px){.ia svg text{display:none}}
/* register: longest tag fits one line */
.node{grid-template-columns:110px minmax(0,1fr) minmax(0,1.4fr) 250px}
.node .tag{white-space:nowrap;letter-spacing:.12em}
@media (max-width:900px){.node{grid-template-columns:90px 1fr}.node .tag{white-space:normal}}
/* router graphic is texture only: smaller, masked, never under the buttons */
.routeout .rimg{right:-3%;top:-3%;width:46%;opacity:.35;-webkit-mask-image:linear-gradient(200deg,#000 30%,transparent 72%);mask-image:linear-gradient(200deg,#000 30%,transparent 72%)}
/* wide instruments: horizontal evidence modules on phones (bible §31) */
.hscroll{overflow:visible}
.instrument .swipe{display:none}
@media (max-width:760px){
  .instrument.wide{padding-left:0;padding-right:0}
  .instrument.wide .hscroll{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:0 18px}
  .instrument.wide .hscroll::-webkit-scrollbar{display:none}
  .instrument.wide .hscroll svg{width:760px;max-width:none}
  .instrument.wide .swipe{display:block;margin:10px 18px 0;color:var(--smoke)}
  .instrument.wide .cap{margin-left:18px;margin-right:18px}
}
/* nav wordmark: the ™ is illegible at nav size; the footer lockup carries it */
.hdr .wm .signal{display:none}
/* instrument scale on phones: five buttons, one row (the legend sits above the questions) */
@media (max-width:560px){#instrument .scale .lo,#instrument .scale .hi{display:none}#instrument .opt span{width:44px;height:44px}#instrument .scale{gap:8px}}
/* content & campaigns: keep the camera in frame when cropped to portrait */
.tile img[src*="svc-content-and-campaigns"]{object-position:14% 50%}
/* r5: legible nav trademark (HTML glyph, the SVG one is too small at nav scale) */
.hdr .mark .tm{align-self:center;transform:translateY(-5px);margin:0 0 0 -19px;font:500 11px/1 "Inter Tight",system-ui,sans-serif;color:var(--gold)}
/* r5: the section before the closing CTA gives up most of its bottom padding so the pair reads as one rhythm */
.sec:has(+ .sec.convert){padding-bottom:clamp(36px,4.5vw,72px)}