/* ============================================================
   Clarafold — monochrome design system
   Original brand palette: ink on paper. No accent colour.
   Emphasis comes from scale, weight, rule-work and motion.
   ============================================================ */
@font-face{font-family:'Satoshi';src:url('/assets/fonts/Satoshi-Variable.woff2') format('woff2');font-weight:300 900;font-style:normal;font-display:swap}
:root{
  /* Brand palette — brand identity v1.0
     Two colours only: black and white. Neutrals are tints for rule-work. */
  --paper:#ffffff;
  --surface:#ffffff;
  --soft:#f4f4f2;

  --ink:#000000;
  --dim:#4a4a4a;
  --muted:#6b6b6b;        /* 4.8:1 on --soft, 5.3:1 on white */
  --field:#8f8f8b;        /* input boundaries: 3:1 non-text contrast */

  --line:#e4e4e1;
  --line-2:#cfcfcb;

  /* theme-dependent roles (dark values below) */
  --on-ink:#ffffff;       /* text on an ink-filled button */
  --header-bg:rgba(248,248,245,.92);
  --nav:#32322f;
  --prose:#1c1c1c;
  --error:var(--error);
  --cta-bg:#000000;       /* closing CTA panel */
  --cta-edge:transparent;
  color-scheme:light;

  --max:1240px;
  --radius:0;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Satoshi','Helvetica Neue',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;line-height:1.45;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--ink);color:var(--paper)}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:500;letter-spacing:.34em;font-size:14px;text-transform:uppercase}
.brand img{width:28px;height:28px;object-fit:contain}
.nav-links{display:flex;gap:30px;font-size:13px;color:var(--nav)}
.nav-links a{position:relative;padding:8px 0;transition:color .2s ease}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.4,0,.2,1)}
.nav-links a:hover:after,.nav-links a.active:after{transform:scaleX(1)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 20px;border:1px solid var(--ink);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;background:var(--ink);color:var(--on-ink);transition:background .2s ease,color .2s ease,box-shadow .25s ease,transform .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.12)}
.btn.secondary{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn.secondary:hover{background:var(--ink);color:var(--on-ink);border-color:var(--ink)}
.mobile-toggle{display:none;border:0;background:none;cursor:pointer;color:var(--ink);width:44px;height:44px;margin-right:-11px;padding:0;align-items:center;justify-content:center}
.mobile-toggle .mt-close,.mobile-open .mobile-toggle .mt-open{display:none}
.mobile-open .mobile-toggle .mt-close{display:inline}

/* ---------- eyebrow / kicker ---------- */
.eyebrow,.kicker{font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* ---------- hero ---------- */
.hero{padding:104px 0 84px;border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.display{font-size:clamp(50px,7.4vw,102px);letter-spacing:-.05em;line-height:.95;font-weight:600;margin:18px 0 26px;max-width:900px}
.hero-copy{font-size:19px;max-width:620px;color:var(--dim)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.hero-art{min-height:420px;display:flex;align-items:center;justify-content:center;position:relative}

/* ------------------------------------------------------------
   Hero motion — CSS on SVG strokes only.
   Rings trace themselves in sequence on one slow shared loop;
   nodes orbit continuously at different speeds. Nothing fancy.
   ------------------------------------------------------------ */
.resolve{width:min(420px,100%);height:auto;overflow:visible}
.resolve .frame{fill:none;stroke:var(--line);stroke-width:1}
.resolve .diag{stroke:var(--line);stroke-width:1}
.resolve .grid{stroke:var(--line);stroke-width:1;opacity:.55}

/* traced rings: draw, hold, fade — staggered across one 36s loop */
.resolve .ring{fill:none;stroke:var(--ink);stroke-width:1.25;stroke-linecap:round;opacity:0}
.resolve .ring-1{stroke-dasharray:377;stroke-dashoffset:377;animation:trace-1 36s linear infinite}
.resolve .ring-2{stroke-dasharray:502;stroke-dashoffset:502;animation:trace-2 36s linear infinite}
.resolve .ring-3{stroke-dasharray:628;stroke-dashoffset:628;animation:trace-3 36s linear infinite}
@keyframes trace-1{
  0%{stroke-dashoffset:377;opacity:0}
  2%{opacity:.85}
  10%{stroke-dashoffset:0;opacity:.85}
  26%{stroke-dashoffset:0;opacity:0}
  100%{stroke-dashoffset:0;opacity:0}
}
@keyframes trace-2{
  0%,33%{stroke-dashoffset:502;opacity:0}
  35%{opacity:.7}
  43%{stroke-dashoffset:0;opacity:.7}
  59%{stroke-dashoffset:0;opacity:0}
  100%{stroke-dashoffset:0;opacity:0}
}
@keyframes trace-3{
  0%,66%{stroke-dashoffset:628;opacity:0}
  68%{opacity:.55}
  76%{stroke-dashoffset:0;opacity:.55}
  92%{stroke-dashoffset:0;opacity:0}
  100%{stroke-dashoffset:0;opacity:0}
}

/* orbiting nodes — slow, constant, counter-rotated so they stay level */
.resolve .orbit{transform-box:view-box;transform-origin:150px 150px}
.resolve .orbit-a{animation:orbit 64s linear infinite}
.resolve .orbit-b{animation:orbit 96s linear infinite reverse}
.resolve .orbit-c{animation:orbit 44s linear infinite}
.resolve .node{fill:var(--ink)}
.resolve .node-hollow{fill:var(--paper);stroke:var(--ink);stroke-width:1.25}
@keyframes orbit{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* core — steady, with one slow breath */
.resolve .core{fill:var(--ink)}
.resolve .core-ring{fill:none;stroke:var(--ink);stroke-width:1.25;transform-box:view-box;transform-origin:150px 150px;animation:breathe 7s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.5}50%{transform:scale(1.09);opacity:.9}}

/* ---------- sections ---------- */
.section{padding:96px 0;border-bottom:1px solid var(--line)}
.section.tight{padding:66px 0}
.section.alt{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;margin-bottom:52px}
.section-title{font-size:clamp(34px,4.7vw,64px);letter-spacing:-.04em;line-height:1.02;margin:12px 0 0;max-width:860px;font-weight:600}
.section-intro{max-width:500px;color:var(--dim);font-size:16px}

/* ---------- problem ---------- */
.problem-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
.problem-statement{font-size:clamp(31px,4.1vw,55px);letter-spacing:-.04em;line-height:1.05;margin:0;max-width:650px;font-weight:600}

/* ---------- system rows ---------- */
.system{border-top:1px solid var(--ink)}
.system-row{display:grid;grid-template-columns:96px 1fr 32px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);transition:padding-left .25s ease,background .25s ease}
.system-row:hover{padding-left:12px;background:linear-gradient(90deg,var(--soft),transparent 70%)}
.system-row .num{font-size:11px;color:var(--muted);letter-spacing:.14em;font-weight:700}
.system-row .label{font-size:21px;letter-spacing:-.015em}
.system-row .arrow,.system-row span:last-child{font-size:15px;text-align:right;color:var(--muted)}
.system-row:hover .arrow,.system-row:hover span:last-child{color:var(--ink)}

/* ---------- principles ---------- */
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.principle{background:var(--surface);border:1px solid var(--line);padding:24px 22px 28px;min-height:232px;transition:border-color .25s ease,box-shadow .25s ease}
.principle:hover{border-color:var(--line-2);box-shadow:0 12px 30px rgba(0,0,0,.05)}
.principle small{font-size:11px;letter-spacing:.16em;color:var(--muted);font-weight:700}
.principle h3{font-size:23px;letter-spacing:-.025em;margin:48px 0 12px;font-weight:600;line-height:1.1}
.principle p{font-size:14px;color:var(--dim);max-width:250px;line-height:1.55}

/* ---------- process ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.step{background:var(--surface);border:1px solid var(--line);padding:24px 22px 30px;min-height:282px;transition:border-color .25s ease,box-shadow .25s ease}
.step:hover{border-color:var(--line-2);box-shadow:0 12px 30px rgba(0,0,0,.05)}
.step .num{font-size:11px;letter-spacing:.16em;color:var(--muted);font-weight:700}
.step h3{font-size:28px;font-weight:600;letter-spacing:-.035em;margin:36px 0 14px}
.step p{font-size:14px;color:var(--dim);line-height:1.55}
.stack{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}
.chip{font-size:11px;border:1px solid var(--line);padding:6px 9px;background:var(--paper);color:var(--muted);letter-spacing:.04em;transition:color .2s ease,border-color .2s ease}
.step:hover .chip{border-color:var(--line-2);color:var(--ink)}

/* ---------- industries ---------- */
.industries{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.industry{padding:21px 0;border-bottom:1px solid var(--line);font-size:21px;letter-spacing:-.02em;transition:padding-left .22s ease;position:relative}
.industry:hover{padding-left:10px}
.industry:nth-child(3n+1),.industry:nth-child(3n+2){border-right:1px solid var(--line);padding-right:24px}
.industry:nth-child(3n+2),.industry:nth-child(3n+3){padding-left:24px}
.industry:nth-child(3n+2):hover,.industry:nth-child(3n+3):hover{padding-left:34px}

/* ---------- proof ---------- */
.proof{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:end}
.proof-card{border:1px solid var(--line);padding:32px;min-height:300px;background:var(--surface);display:flex;flex-direction:column}
.proof-card .label{font-size:11px;letter-spacing:.16em;color:var(--muted);font-weight:700}
.proof-card h3{font-size:31px;font-weight:600;letter-spacing:-.03em;margin:auto 0 16px;line-height:1.08}
.muted{color:var(--muted);font-size:14px}

/* ---------- insights ---------- */
.insights{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.insight{background:var(--surface);border:1px solid var(--line);padding:24px 22px 26px;display:flex;flex-direction:column;transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease}
.insight:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.06)}
.insight .meta{font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;font-weight:700}
.insight h3{font-size:24px;font-weight:600;line-height:1.12;letter-spacing:-.03em;margin:30px 0 14px}
.insight p{font-size:14px;color:var(--dim);line-height:1.55;margin:0}
.insight a{margin-top:auto;padding-top:22px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);transition:color .2s ease}
.insight:hover a{color:var(--ink)}

/* ---------- final CTA (the one inverted block) ---------- */
.final-cta{padding:112px 0 120px;background:var(--cta-bg);color:#fff;border-top:1px solid var(--cta-edge);border-bottom:1px solid var(--cta-edge)}
.final-cta .section-title{max-width:940px}
.final-cta .eyebrow,.final-cta .kicker{color:#9a9a94}
.final-cta .section-intro{color:#c8c8c2}
.final-cta .btn{background:#fff;color:#000;border-color:#fff}
.final-cta .btn:hover{box-shadow:0 10px 24px rgba(0,0,0,.35)}
.final-cta .btn.secondary{background:transparent;color:#fff;border-color:#555550}
.final-cta .btn.secondary:hover{background:#fff;color:#000;border-color:#fff}
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}

/* inline lead form (sits inside the inverted block) */
.lead-form{border-top:1px solid #45453f;padding-top:22px}
.lead-form .lf-label{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#9a9a94;margin-bottom:16px}
.lead-form .lf-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.lead-form label{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#c8c8c2;margin-bottom:8px}
.lead-form input{width:100%;background:#151514;border:1px solid #7a7a74;padding:14px;font-size:16px;color:#fff;transition:border-color .2s ease}
.lead-form input::placeholder{color:#85857e}
.lead-form input:focus{border-color:#fff}
.lead-form input:focus-visible{outline:2px solid #fff;outline-offset:2px}
.lead-form .lf-field.has-error input{border-color:#ff8a75}
.final-cta .field-error,.final-cta .status.is-error{color:#ff8a75;border-left-color:#ff8a75}
.lead-form .btn{width:100%}
.final-cta .status{color:#e4e4de;border-left-color:#fff}

/* ---------- page hero ---------- */
.page-hero{padding:94px 0 76px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(48px,7.6vw,100px);font-weight:600;letter-spacing:-.05em;line-height:.95;max-width:1000px;margin:18px 0 28px}
.page-hero p{font-size:19px;max-width:640px;color:var(--dim)}

/* ---------- services detail ---------- */
.detail-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:76px}
.detail-stack{display:grid;gap:14px}
.detail{background:var(--surface);border:1px solid var(--line);padding:32px 30px;scroll-margin-top:96px;transition:border-color .25s ease,box-shadow .25s ease}
.detail:hover{border-color:var(--line-2);box-shadow:0 12px 30px rgba(0,0,0,.05)}
.detail h2{font-size:clamp(28px,3.4vw,40px);font-weight:600;letter-spacing:-.04em;margin:14px 0 12px;line-height:1.05}
.detail h3{font-size:11px;margin:26px 0 14px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:700}
.detail p{color:var(--dim);max-width:650px;margin:0}
.detail ul{margin:12px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 20px;max-width:720px}
.detail li{margin:0;font-size:14px;color:var(--dim);padding-left:16px;position:relative}
.detail li:before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;background:var(--ink)}

.about-note{font-size:clamp(32px,4.5vw,66px);line-height:1.04;letter-spacing:-.04em;max-width:1000px;margin:0;font-weight:600}

/* ---------- insights filter ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;border-top:1px solid var(--ink);border-bottom:1px solid var(--line);padding:16px 0;margin-bottom:32px}
.filter{background:transparent;border:1px solid var(--line-2);padding:11px 14px;min-height:40px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);cursor:pointer;transition:.2s ease}
.filter:hover{color:var(--ink);border-color:var(--line-2)}
.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- contact form ---------- */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:76px}
.form{border-top:1px solid var(--ink)}
.field{padding:16px 0;border-bottom:1px solid var(--field)}
.field label{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:8px;font-weight:700}
.field label .opt{text-transform:none;letter-spacing:0;font-weight:500;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;border:0;background:transparent;outline:none;font-size:17px;color:var(--ink)}
.field input::placeholder{color:var(--muted)}
.field select{cursor:pointer}
.field textarea{min-height:120px;resize:vertical}
.field:focus-within label{color:var(--ink)}
.field:focus-within{border-bottom-color:var(--ink);box-shadow:0 1px 0 var(--ink)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.form-actions{padding-top:24px}
.status{font-size:13px;color:var(--dim);margin-top:16px;display:none;border-left:2px solid var(--ink);padding-left:12px;line-height:1.5}
.status.show{display:block}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:30px 0;background:var(--paper)}
.footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:center}
.footer small{font-size:11px;color:var(--muted);letter-spacing:.02em}

/* ---------- service aside ---------- */
.service-aside{margin:26px 0 0;font-size:15px;color:var(--dim)}
.service-aside a{font-weight:700;border-bottom:1px solid var(--line-2);padding-bottom:1px;transition:border-color .2s ease}
.service-aside a:hover{border-bottom-color:var(--ink)}

/* ---------- expanded footer ---------- */
.footer-top{display:grid;grid-template-columns:1.4fr repeat(4,minmax(0,1fr));gap:40px;padding-bottom:36px;margin-bottom:26px;border-bottom:1px solid var(--line)}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{margin:0;font-size:14px;color:var(--muted);max-width:260px}
.footer-col h4{margin:0 0 16px;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.footer-col a{display:block;font-size:14px;color:var(--dim);padding:5px 0;transition:color .2s ease}
.footer-col a:hover{color:var(--ink)}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s cubic-bezier(.4,0,.2,1)}
.js .reveal.in{opacity:1;transform:none}


/* ---------- a11y utilities ---------- */
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:#fff;padding:12px 18px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.skip:focus{left:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- hero fragments: DISTORT -> ALIGN -> RESOLVE ---------- */
.resolve .frag{fill:var(--muted);opacity:0;transform-box:view-box;transform-origin:150px 150px;animation:settle 18s ease-in-out infinite}
.resolve .f0{animation-delay:0s}.resolve .f1{animation-delay:.9s}.resolve .f2{animation-delay:1.8s}.resolve .f3{animation-delay:2.7s}
.resolve .f4{animation-delay:3.6s}.resolve .f5{animation-delay:4.5s}.resolve .f6{animation-delay:5.4s}.resolve .f7{animation-delay:6.3s}
@keyframes settle{
  0%{opacity:0;transform:translate(0,0) scale(1)}
  8%{opacity:.85}
  38%{opacity:.6;transform:translate(0,0) scale(1)}
  62%{opacity:.25;transform:scale(.4)}
  74%,100%{opacity:0;transform:scale(.2)}
}

/* ---------- trust bar ---------- */
.trustbar{background:var(--soft);border-bottom:1px solid var(--line);padding:20px 0}
.trustbar p{margin:0;font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);text-align:center}

/* ---------- service navigation rows ---------- */
.srows{border-top:1px solid var(--ink)}
.srow{display:grid;grid-template-columns:78px 1fr 190px;gap:26px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start;position:relative;transition:padding-left .3s cubic-bezier(.4,0,.2,1),background .3s ease}
.srow:before{content:"";position:absolute;left:0;top:-1px;height:1px;width:0;background:var(--ink);transition:width .45s cubic-bezier(.4,0,.2,1)}
.srow:hover,.srow:focus-visible{padding-left:14px;background:linear-gradient(90deg,var(--soft),transparent 80%)}
.srow:hover:before,.srow:focus-visible:before{width:100%}
.srow-num{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--muted);padding-top:7px}
.srow-title{display:block;font-size:clamp(26px,3.2vw,38px);font-weight:600;letter-spacing:-.035em;line-height:1.05}
.srow-desc{display:block;margin-top:10px;font-size:15px;color:var(--dim);max-width:560px;line-height:1.55}
.srow-caps{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows .4s cubic-bezier(.4,0,.2,1),opacity .3s ease,margin-top .4s ease}
.srow-caps ul{overflow:hidden;margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.srow-caps li{font-size:11px;border:1px solid var(--line-2);padding:5px 9px;color:var(--muted);letter-spacing:.03em;background:var(--paper)}
.srow:hover .srow-caps,.srow:focus-visible .srow-caps{grid-template-rows:1fr;opacity:1;margin-top:18px}
@media (hover:none){.srow-caps{grid-template-rows:1fr;opacity:1;margin-top:18px}}
.srow-meta{text-align:right;padding-top:7px;display:flex;flex-direction:column;gap:14px;align-items:flex-end}
.srow-model{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.srow-go{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;display:inline-flex;gap:8px;align-items:center}
.srow-go .arrow{transition:transform .3s ease}
.srow:hover .srow-go .arrow{transform:translateX(6px)}

/* ---------- system grid / reinforce ---------- */
.sysgrid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:start}
.reinforce{margin:0;padding:0;list-style:none;display:grid;gap:14px}
.reinforce li{font-size:16px;color:var(--dim);padding-left:18px;position:relative;line-height:1.5}
.reinforce li:before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--ink)}
.reinforce strong{color:var(--ink);font-weight:600}
.sys-close{margin:32px 0 0;padding-top:26px;border-top:1px solid var(--line);font-size:clamp(20px,2.3vw,27px);font-weight:600;letter-spacing:-.03em;line-height:1.2}

/* ---------- problem columns ---------- */
.pcols{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;border-top:1px solid var(--ink)}
.pcol{background:var(--surface);border:1px solid var(--line);border-top:0;padding:30px 26px 34px;transition:box-shadow .25s ease,border-color .25s ease}
.pcol:hover{border-color:var(--line-2);box-shadow:0 12px 30px rgba(0,0,0,.05)}
.pcol h3{margin:0 0 14px;font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.pcol p{margin:0;font-size:19px;letter-spacing:-.02em;line-height:1.35}

/* ---------- AI list ---------- */
.ailist{margin:18px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:7px}
.ailist li{font-size:12px;border:1px solid var(--line-2);padding:7px 11px;color:var(--dim);background:var(--surface)}

/* ---------- workflow cards ---------- */
.wgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.wcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);padding:24px 22px 22px;transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease}
.wcard:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.06)}
.wcard-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.wcard-cat,.wcard-num{font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.wcard h3{font-size:21px;font-weight:600;letter-spacing:-.03em;line-height:1.15;margin:26px 0 12px}
.wcard p{margin:0;font-size:14px;color:var(--dim);line-height:1.55}
.wcard-foot{display:flex;gap:16px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);letter-spacing:.04em}
.wcard-go{margin-top:auto;padding-top:18px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:flex;gap:8px;align-items:center;transition:color .2s ease}
.wcard:hover .wcard-go{color:var(--ink)}
.wcard-go .arrow{transition:transform .25s ease}
.wcard:hover .wcard-go .arrow{transform:translateX(5px)}

/* ---------- workflow library controls ---------- */
.wf-controls{display:grid;gap:16px;margin-bottom:18px}
.wf-search input{width:100%;background:var(--surface);border:1px solid var(--field);padding:15px 16px;font-size:16px;transition:border-color .2s ease}
.wf-search input:focus{border-color:var(--ink)}
.wf-search input:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.wf-count{margin:0 0 22px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.wf-empty{margin:34px 0 0;font-size:16px;color:var(--dim)}

/* ---------- workflow detail ---------- */
.wmeta{display:grid;grid-template-columns:repeat(4,auto);gap:34px;justify-content:start;margin:34px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.wmeta dt{font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.wmeta dd{margin:0;font-size:15px}
.wsub{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:32px 0 14px}
.wsteps{margin:0;padding:0;list-style:none;border-top:1px solid var(--ink);counter-reset:s}
.wsteps li{counter-increment:s;padding:18px 0 18px 46px;border-bottom:1px solid var(--line);font-size:16px;color:var(--dim);position:relative}
.wsteps li:before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:20px;font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--muted)}
.wsteps strong{color:var(--ink);font-weight:600}
.wfull{margin:0;padding:0;list-style:none;border-top:1px solid var(--ink)}
.wfull li{padding:26px 0;border-bottom:1px solid var(--line)}
.wstep-h{display:flex;align-items:baseline;gap:18px}
.wstep-h span{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--muted);flex:none;width:28px}
.wstep-h h3{margin:0;font-size:21px;font-weight:600;letter-spacing:-.025em;line-height:1.2}
.wfull p{margin:10px 0 0 46px;font-size:15px;color:var(--dim);line-height:1.6;max-width:760px}

/* ---------- service detail: approach + capabilities ---------- */
.apprs{border-top:1px solid var(--ink)}
.appr{display:grid;grid-template-columns:70px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--line)}
.appr-n{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--muted);padding-top:5px}
.appr h3{margin:0 0 9px;font-size:21px;font-weight:600;letter-spacing:-.025em}
.appr p{margin:0;font-size:15px;color:var(--dim);line-height:1.6;max-width:700px}
.caps{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 22px}
.caps li{font-size:15px;color:var(--dim);padding-left:17px;position:relative}
.caps li:before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;background:var(--ink)}
.svc-model{margin:24px 0 0;font-size:14px;color:var(--muted)}
.svc-model strong{color:var(--dim)}
.svc-claim{font-size:clamp(21px,2.3vw,27px);font-weight:600;letter-spacing:-.03em;line-height:1.2;margin:0;max-width:720px}
.svc-problem{margin:0;color:var(--dim);max-width:720px;font-size:16px;line-height:1.65}
.service-aside{margin:26px 0 0;font-size:15px;color:var(--dim)}
.service-aside a{font-weight:700;border-bottom:1px solid var(--line-2);padding-bottom:1px;transition:border-color .2s ease}
.service-aside a:hover{border-bottom-color:var(--ink)}

/* ---------- other services ---------- */
.oths{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px;border-top:1px solid var(--ink)}
.oth{display:flex;flex-direction:column;gap:12px;padding:22px 0;font-size:19px;font-weight:600;letter-spacing:-.025em;line-height:1.2;border-right:1px solid var(--line);padding-right:20px;transition:padding-left .22s ease}
.oth:last-child{border-right:0}
.oth span{font-size:10px;font-weight:700;letter-spacing:.16em;color:var(--muted)}
.oth:hover{padding-left:8px}

/* ---------- case study format ---------- */
.cs-format .system-row{grid-template-columns:56px 200px 1fr}
.fp-career .system-row{grid-template-columns:120px 260px 1fr}
.fp-career .num{white-space:nowrap}
.cs-desc{font-size:15px;color:var(--dim)}

/* ---------- loop note ---------- */
.loop-note{display:flex;align-items:center;gap:12px;margin:26px 0 0;font-size:15px;color:var(--dim)}
.loop-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid var(--line-2);border-radius:50%;font-size:15px;color:var(--ink);flex:none}

/* ---------- insights ---------- */
.insight-soon{margin-top:auto;padding-top:22px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ---------- form states ---------- */
.btn[aria-busy="true"],.btn.is-loading,.btn:disabled{opacity:.6;pointer-events:none;cursor:default}
.btn.is-loading .btn-text:after{content:"";display:inline-block;width:11px;height:11px;margin-left:9px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-1px}
@keyframes spin{to{transform:rotate(360deg)}}
.status{font-size:13px;color:var(--dim);margin-top:16px;display:none;border-left:2px solid var(--ink);padding-left:12px;line-height:1.5}
.status.show{display:block}
.status.is-error{border-left-color:var(--error);color:var(--error)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-bottom:1px solid var(--error)}
.field-error{display:block;margin-top:6px;font-size:12px;color:var(--error)}


/* ---------- narrow-viewport safety ----------
   Long unbroken tokens ("Go-to-market", URLs) and grid children that
   refuse to shrink are the two usual causes of horizontal overflow.
   Fixed at the cause rather than masked with overflow-x:hidden. */
.display,.page-hero h1,.section-title,.srow-title,.problem-statement,
.svc-claim,.sys-close,.wcard h3,.pcol p,.about-note{overflow-wrap:break-word}
.hero-grid>*,.detail-grid>*,.sysgrid>*,.cta-grid>*,.contact-grid>*,
.proof>*,.srow>*,.appr>*,.system-row>*,.wstep-h>*{min-width:0}
.wf-search input,.field input,.field select,.field textarea,
.lead-form input{max-width:100%}

/* ---------- responsive ---------- */
@media (max-width: 1040px){
  .wgrid{grid-template-columns:repeat(2,1fr)}
  .oths{grid-template-columns:repeat(2,1fr)}
  .oth:nth-child(2n){border-right:0}
  .pcols{grid-template-columns:1fr}
  .pcol{border-top:0}
  .cards,.cards.three{grid-template-columns:repeat(2,1fr)}
  .principles,.process{grid-template-columns:repeat(2,1fr)}
  .insights{grid-template-columns:repeat(2,1fr)}
  .svc-index{grid-template-columns:repeat(3,1fr)}
  .svc-index a:nth-child(3n){border-right:0}
  .svc,.stage{grid-template-columns:1fr;gap:28px}
  .svc-for{max-width:none}
}
@media (max-width: 920px){
  .sysgrid{grid-template-columns:1fr;gap:44px}
  .srow{grid-template-columns:56px 1fr;gap:6px 18px}
  .srow-meta{grid-column:2/-1;text-align:left;align-items:flex-start;flex-direction:row;justify-content:space-between;width:100%;padding-top:16px}
  .srow-caps{grid-template-rows:1fr;opacity:1;margin-top:16px}
  .wmeta{grid-template-columns:repeat(2,1fr);gap:22px 34px}
  .caps{grid-template-columns:1fr}
  .cs-format .system-row{grid-template-columns:48px 1fr;gap:4px 14px}
  .fp-career .system-row{grid-template-columns:1fr}
  .cs-desc{grid-column:2/-1}
  .hero-grid,.problem-grid,.proof,.detail-grid,.contact-grid,.cta-grid,.chain-block,.newsletter-grid{grid-template-columns:1fr}
  .chain-block{margin-top:48px;padding-top:40px}
  .chain-head .section-intro{max-width:none}
  .hero-art{min-height:300px;order:-1}
  .resolve{width:min(330px,100%)}
  .hero-form .lf-row{grid-template-columns:1fr 1fr}
  .hero-form .btn{grid-column:1/-1}
  .symptom{grid-template-columns:48px 1fr;gap:6px 18px}
  .sym-b{grid-column:2/-1}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
  .section-head{flex-direction:column;align-items:flex-start;gap:22px}
  .industries{grid-template-columns:1fr 1fr}
  .industry:nth-child(n){padding-left:0;padding-right:20px;border-right:1px solid var(--line)}
  .industry:nth-child(2n){padding-left:20px;padding-right:0;border-right:0}
  .industry:nth-child(n):hover{padding-left:10px}
  .industry:nth-child(2n):hover{padding-left:30px}
  .nav-links{display:none}
  .mobile-toggle{display:inline-flex}
  .mobile-open .nav-links{display:flex;position:absolute;top:76px;left:0;right:0;background:var(--paper);padding:10px 20px 18px;border-bottom:1px solid var(--line);flex-direction:column;gap:2px;font-size:16px}
  .mobile-open .nav-links a{padding:12px 0}
  .display{font-size:clamp(46px,12vw,84px)}
  .detail ul{grid-template-columns:1fr}
  .faq{grid-template-columns:1fr}
  .stage-cols{gap:26px}
}
@media (max-width: 560px){
  .container{width:min(calc(100% - 28px),var(--max))}
  .nav{height:68px}
  .mobile-open .nav-links{top:68px}
  .hero{padding:64px 0 56px}
  .section{padding:64px 0}
  .principles,.process,.insights,.wgrid,.oths{grid-template-columns:1fr}
  .oth{border-right:0!important;border-bottom:1px solid var(--line);padding-right:0}
  .wmeta{grid-template-columns:1fr;gap:18px}
  .srow{padding:24px 0}
  .srow-title{font-size:24px}
  .wfull p{margin-left:0}
  .appr{grid-template-columns:1fr;gap:10px}
  .trustbar p{font-size:10px;letter-spacing:.14em}
  .svc-index{grid-template-columns:1fr}
  .svc-index a{border-right:0!important;border-bottom:1px solid var(--line);padding-right:0}
  .svc,.stage{padding:36px 0}
  .svc-body ul,.stage-cols{grid-template-columns:1fr}
  .faq-item{padding:24px 22px}
  .card,.principle,.step{min-height:auto}
  .card h3,.principle h3,.step h3{margin-top:26px}
  .industries{grid-template-columns:1fr}
  .industry:nth-child(n){padding:16px 0;border-right:0!important}
  .form-row,.lead-form .lf-row,.hero-form .lf-row,.sub-form{grid-template-columns:1fr}
  .symptom{grid-template-columns:1fr;gap:6px}
  .sym-n{margin-bottom:2px}
  .sym-b{grid-column:auto}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .newsletter{padding:48px 0}
  .final-cta{padding:78px 0}
  .page-hero{padding:64px 0 54px}
  .page-hero h1{font-size:clamp(44px,15vw,76px)}
  .detail{padding:26px 22px}
  .system-row{grid-template-columns:62px 1fr 26px}
  .system-row .label{font-size:18px}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.js .reveal{opacity:1;transform:none;transition:none}
  .marquee-track{animation:none}
  /* hero settles into its drawn state rather than animating */
  .resolve .ring{animation:none;stroke-dashoffset:0;opacity:.45}
  .resolve .frag{animation:none;opacity:.5;transform:none}
  .resolve .orbit,.resolve .core-ring{animation:none}
  .resolve .core-ring{opacity:.6}
  *,*:before,*:after{transition-duration:.01ms!important}
  .btn:hover,.card:hover,.insight:hover,.wcard:hover,.wcard:hover .wcard-go .arrow,.srow:hover .srow-go .arrow{transform:none}
  .btn.is-loading .btn-text:after{animation-duration:1.6s}
}

/* ---------- brand identity additions ---------- */
.footer-brand p{line-height:1.7}
.fb-sub{color:var(--muted);font-size:13px}
.footer-brand .brand{margin-bottom:16px}
/* reversed mark on the inverted CTA block */
.final-cta .brand img{filter:invert(1)}

/* ---------- GEO: answer blocks, FAQ, facts, breadcrumbs, articles ---------- */
.footer-h{margin:0 0 16px;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.crumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted);margin-bottom:26px}
.crumbs a{color:var(--muted);transition:color .2s ease}.crumbs a:hover{color:var(--ink)}
.crumbs [aria-current]{color:var(--ink)}
.page-hero p.answer,.answer{max-width:760px;font-size:17px;line-height:1.6;color:var(--ink);border-left:2px solid var(--ink);padding:4px 0 4px 18px;margin:26px 0 0}
.faq{display:grid;gap:0;border-top:1px solid var(--ink)}
.faq-item{padding:24px 0;border-bottom:1px solid var(--line)}
.faq-item h3{margin:0 0 10px;font-size:19px;font-weight:600;letter-spacing:-.02em;line-height:1.25}
.faq-item p{margin:0;color:var(--dim);font-size:15.5px;line-height:1.65;max-width:720px}
.faq a,.prose a,.answer a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.facts{display:grid;gap:0;margin:0;border-top:1px solid var(--ink)}
.facts div{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}
.facts dt{font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding-top:4px}
.facts dd{margin:0;font-size:16px}
.insight h3 a{color:inherit;font:inherit;letter-spacing:inherit;text-transform:none;margin:0;padding:0}
.insight h3 a:after{content:"";position:absolute;inset:0}
.insight{position:relative}
.page-hero h1.article-h1{font-size:clamp(38px,5.4vw,72px);line-height:1.02}
.byline{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px!important;color:var(--muted)!important;margin:0!important}
.article-grid{display:grid;grid-template-columns:240px minmax(0,720px);gap:72px}
.article-aside{position:sticky;top:110px;align-self:start}
.toc{margin:16px 0 0;padding:0;list-style:none;counter-reset:t;display:grid;gap:12px}
.toc li{counter-increment:t;font-size:13.5px;line-height:1.35;color:var(--dim);display:grid;grid-template-columns:24px 1fr}
.toc li:before{content:counter(t,decimal-leading-zero);font-size:10px;font-weight:700;color:var(--muted);padding-top:3px}
.toc a:hover{color:var(--ink)}
.prose{font-size:17px;line-height:1.72;color:var(--prose)}
.prose>.answer{margin-top:0;font-size:19px}
.prose h2{font-size:clamp(25px,2.6vw,32px);font-weight:600;letter-spacing:-.03em;line-height:1.15;margin:56px 0 16px;scroll-margin-top:100px}
.prose p{margin:0 0 18px}
.prose-list{grid-template-columns:1fr!important;gap:12px!important;margin:4px 0 22px!important}
.prose-list li{font-size:16.5px!important;line-height:1.6;color:var(--prose)!important}
.takeaways{background:var(--soft);border:1px solid var(--line);padding:24px 26px 8px;margin:32px 0 8px}
.takeaways .prose-list{margin-top:16px!important}
.article-rel{grid-template-columns:repeat(2,1fr)}
@media (max-width: 920px){
  .article-grid{grid-template-columns:1fr;gap:34px}
  .article-aside{position:static}
  .facts div{grid-template-columns:1fr;gap:6px}
}
/* the 9-letter wordmark needs tighter tracking on the narrowest phones */
@media (max-width: 420px){
  .nav{gap:12px}
  .site-header .brand{letter-spacing:.2em;font-size:13px;gap:9px}
  .nav-cta{padding-left:14px;padding-right:14px;font-size:11px}
}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
.byline a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}

/* ---------------------------------------------------------------- case studies */
.cs-card-metric{display:flex;flex-direction:column;gap:6px;margin:26px 0 0;padding-bottom:18px;border-bottom:1px solid var(--line)}
.cs-card-metric .v{font-size:40px;font-weight:600;letter-spacing:-.04em;line-height:1;color:var(--ink)}
.cs-card-metric .l{font-size:12px;color:var(--muted);letter-spacing:.02em}
.cs-card h3{margin-top:20px}
.cs-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:0;border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.cs-metrics>div{display:flex;flex-direction:column-reverse;justify-content:flex-end;gap:10px;padding:28px 22px 30px 0}
.cs-metrics>div+div{border-left:1px solid var(--line);padding-left:22px}
.cs-metrics dd{margin:0;font-size:clamp(34px,4vw,52px);font-weight:600;letter-spacing:-.04em;line-height:1}
.cs-metrics dt{font-size:13px;color:var(--dim);line-height:1.45;max-width:220px}
.cs-note{margin:26px 0 0;max-width:760px;font-size:13px;line-height:1.55;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}
.cs-lessons li{margin-bottom:14px}
@media (max-width: 920px){
  .cs-metrics{grid-template-columns:repeat(2,1fr)}
  .cs-metrics>div:nth-child(3){border-left:0;padding-left:0}
  .cs-metrics>div:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width: 420px){
  .cs-metrics{grid-template-columns:1fr}
  .cs-metrics>div+div{border-left:0;padding-left:0;border-top:1px solid var(--line)}
}

.skill-steps{display:block;columns:auto;grid-template-columns:none}
.skill-steps li{margin-bottom:12px}

/* filtering: the hidden attribute must win over component display rules */
[hidden]{display:none!important}
/* agent skills compatibility strip */
.agents{margin-top:30px}
.agents-label{font-size:13px;line-height:1.55;color:var(--muted);max-width:640px}
.agents-logos{display:flex;flex-wrap:wrap;align-items:center;gap:18px 26px;margin-top:16px}
.agents-logos img{height:28px;width:28px;filter:grayscale(1);opacity:.75;transition:filter .2s ease,opacity .2s ease}
.agents-logos img:hover{filter:none;opacity:1}
.agents + .skill-steps{margin-top:28px}
.page-hero .agents-label{font-size:14px}
.agents-under{margin-top:34px}
.footer-note{font-size:13px;color:var(--muted);margin:-6px 0 8px}
.ai-ask{display:flex;align-items:center;justify-content:space-between;gap:22px 40px;flex-wrap:wrap;padding:6px 0 32px;margin-bottom:26px;border-bottom:1px solid var(--line)}
.ai-ask-label{margin:0;font-size:24px;letter-spacing:-.02em;color:var(--ink)}
.ai-ask-sub{margin:6px 0 0;font-size:13px;color:var(--muted)}
.ai-ask-btns{display:flex;gap:12px}
.ai-btn{width:50px;height:50px;border:1px solid var(--line-2);border-radius:50%;display:grid;place-items:center;background:var(--surface);transition:border-color .2s ease,background .2s ease,transform .2s ease}
.ai-btn:hover{border-color:var(--ink);background:var(--soft);transform:translateY(-1px)}
.ai-btn:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.ai-btn img{width:20px;height:20px}

/* ============================================================
   Dark theme. Follows the device setting unless the visitor picks
   a theme with the header toggle (stored as html[data-theme]).
   ============================================================ */
:root[data-theme="dark"]{
  --paper:#111110;
  --surface:#161615;
  --soft:#1b1b19;
  --ink:#f2f2ee;
  --dim:#b9b9b2;
  --muted:#9d9d96;
  --field:#6f6f69;
  --line:#2a2a27;
  --line-2:#3b3b37;
  --on-ink:#111110;
  --header-bg:rgba(17,17,16,.88);
  --nav:#cfcfc9;
  --prose:#e4e4de;
  --error:#ff8a75;
  --cta-bg:#1b1b19;
  --cta-edge:#2a2a27;
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
  --paper:#111110;
  --surface:#161615;
  --soft:#1b1b19;
  --ink:#f2f2ee;
  --dim:#b9b9b2;
  --muted:#9d9d96;
  --field:#6f6f69;
  --line:#2a2a27;
  --line-2:#3b3b37;
  --on-ink:#111110;
  --header-bg:rgba(17,17,16,.88);
  --nav:#cfcfc9;
  --prose:#e4e4de;
  --error:#ff8a75;
  --cta-bg:#1b1b19;
  --cta-edge:#2a2a27;
  color-scheme:dark;
  }
}
/* black artwork (logo mark, agent and AI icons) flips in dark */
:root[data-theme="dark"] .brand img,:root[data-theme="dark"] .ai-btn img{filter:invert(1)}
:root[data-theme="dark"] .agents-logos img{filter:grayscale(1) invert(1)}
:root[data-theme="dark"] .agents-logos img:hover{filter:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .brand img,:root:not([data-theme="light"]) .ai-btn img{filter:invert(1)}
  :root:not([data-theme="light"]) .agents-logos img{filter:grayscale(1) invert(1)}
  :root:not([data-theme="light"]) .agents-logos img:hover{filter:none}
}
/* theme toggle */
.theme-toggle{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line-2);background:transparent;color:var(--ink);cursor:pointer;padding:0;transition:border-color .2s ease,background .2s ease}
.theme-toggle:hover{border-color:var(--ink);background:var(--soft)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .i-sun{display:none}
:root[data-theme="dark"] .theme-toggle .i-sun{display:block}
:root[data-theme="dark"] .theme-toggle .i-moon{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .theme-toggle .i-sun{display:block}
  :root:not([data-theme="light"]) .theme-toggle .i-moon{display:none}
}
.nav-end{display:flex;align-items:center;gap:12px}
/* header layout with the theme toggle */
.nav-menu-cta{display:none}
.nav-cta{white-space:nowrap}
@media (max-width: 920px){
  .nav-end{margin-left:auto}
  .mobile-toggle{order:3}
}
@media (max-width: 520px){
  .nav-cta{display:none}
  .mobile-open .nav-links .nav-menu-cta{display:block;margin-top:8px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:12px}
  .theme-toggle{width:38px;height:38px}
}
.cs-figure{margin:0;border:1px solid var(--line);max-width:460px}
.cs-figure img{width:100%;height:auto}