:root{
  --ink:#0A0A0B; --ink-2:#1A1A1D; --ink-3:#2A2A2E;
  --paper:#FFFFFF; --paper-2:#F4F4F2; --bone:#FAFAF8;
  --line:rgba(10,10,11,0.14); --line-soft:rgba(10,10,11,0.08); --line-dark:rgba(244,239,230,0.16);
  --muted:rgba(10,10,11,0.60); --muted-dark:rgba(244,239,230,0.66);
  --blue:#0655FF; --blue-2:#0444CC; --blue-tint:#DCE5FF; --blue-deep:#03257A;
  --signal:#B5FF3C; --rust:#C2410C;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --serif:"IBM Plex Serif",Georgia,serif;
  --container:1200px; --wide:1320px; --gut:24px;
  --t1:cubic-bezier(.2,.7,.2,1); --t2:cubic-bezier(.7,0,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0; font-family:var(--sans); font-weight:400; font-size:17px; line-height:1.55;
  color:var(--ink); background:var(--paper); overflow-x:hidden;
  -webkit-font-smoothing:antialiased; font-feature-settings:"ss01","cv11";
}
p{margin:0 0 1.1em; text-wrap:pretty}
a{color:var(--blue); text-decoration:none; text-underline-offset:3px; text-decoration-thickness:1px; transition:color .2s var(--t1)}
a:hover{color:var(--blue-2); text-decoration:underline}
strong{font-weight:600; color:var(--ink)}
sup a{font-family:var(--mono); font-size:.62em; font-weight:500; padding:0 1px}
h1,h2,h3{margin:0; text-wrap:balance}
em{font-style:italic}
.wrap{max-width:var(--container); margin:0 auto; padding:0 var(--gut)}
.wide{max-width:var(--wide)}
.mono{font-family:var(--mono); font-weight:500}
.micro{font-family:var(--mono); font-weight:500; font-size:11.5px; letter-spacing:.09em; text-transform:uppercase; color:var(--muted)}

/* ---- sectioning ---- */
section{padding:84px 0; border-top:1px solid var(--line-soft)}
section:first-of-type{border-top:none}
.sec-head{display:flex; align-items:center; gap:18px; margin-bottom:26px}
.sec-idx{font-family:var(--mono); font-weight:500; font-size:13px; color:var(--blue); letter-spacing:.08em; flex:none; display:flex; align-items:center; gap:9px; line-height:1}
.sec-idx::after{content:""; width:22px; height:1px; background:var(--blue); opacity:.5}
h2{font-weight:600; font-size:clamp(28px,3.6vw,46px); line-height:1.04; letter-spacing:-0.028em}
h2 em{font-family:var(--serif); font-style:italic; font-weight:400; letter-spacing:-0.01em}
h3{font-weight:600; font-size:20px; letter-spacing:-0.01em; margin:0 0 12px}
.lede{font-size:clamp(18px,1.5vw,21px); line-height:1.5; color:var(--ink); max-width:42em; margin:0 0 1.2em}
.prose{max-width:42em}
.prose p{font-size:18px; line-height:1.6}
.aside{font-size:15px; color:var(--muted); border-left:2px solid var(--line); padding-left:16px; margin:26px 0}

/* ---- breadcrumb ---- */
.crumb{border-bottom:1px solid var(--line-soft); background:var(--paper)}
.crumb ol{list-style:none; display:flex; flex-wrap:wrap; gap:8px; margin:0; padding:14px 0; font-family:var(--mono); font-size:12px; letter-spacing:.02em; color:var(--muted)}
.crumb li{display:flex; gap:8px; align-items:center}
.crumb li+li::before{content:"/"; color:var(--line); }
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--blue)}
.crumb [aria-current]{color:var(--ink)}

/* ---- hero ---- */
.hero{position:relative; color:#fff; border-top:none; padding:0; overflow:hidden; background:var(--ink)}
.hero .under{position:absolute; inset:0; width:100%; height:100%; z-index:0}
.hero .under svg{width:100%; height:100%; display:block}
.hero .scrim{position:absolute; inset:0; z-index:1;
  background:linear-gradient(180deg,rgba(6,10,20,.62) 0%,rgba(6,10,20,.50) 42%,rgba(6,10,20,.78) 100%);}
.hero .heroimg{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:1; filter:blur(3px) brightness(.88); transform:scale(1.03)}
.hero-inner{position:relative; z-index:2; max-width:var(--container); margin:0 auto; padding:120px var(--gut) 72px}
.eyebrow{font-family:var(--mono); font-weight:500; font-size:12.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--blue-tint); margin:0 0 26px}
.eyebrow .dot{display:inline-block; width:7px; height:7px; background:var(--signal); border-radius:50%; margin-right:9px; vertical-align:middle; transform:translateY(-1px)}
h1{font-weight:600; font-size:clamp(40px,7vw,88px); line-height:0.98; letter-spacing:-0.038em; max-width:14ch; margin:0 0 30px; color:#fff}
h1 em{font-family:var(--serif); font-style:italic; font-weight:400; letter-spacing:-0.02em}
.capsule{font-size:clamp(18px,1.7vw,22px); line-height:1.5; max-width:40em; color:rgba(255,255,255,.92); margin:0 0 40px}
.capsule strong{color:#fff}
.stats{display:flex; flex-wrap:wrap; gap:14px; margin:0 0 40px; padding:0; list-style:none}
.stat{flex:1 1 200px; min-width:180px; border:1px solid var(--line-dark); border-radius:14px; padding:20px 22px; background:rgba(255,255,255,.04); opacity:1}
.stat .k{font-family:var(--mono); font-weight:500; font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--muted-dark); display:block; margin-bottom:12px; line-height:1.4}
.stat .v{font-family:var(--serif); font-style:italic; font-weight:400; font-size:clamp(40px,4.4vw,58px); line-height:1; color:#fff}
.authorband{display:flex; align-items:center; gap:18px; padding:22px 0; border-top:1px solid var(--line-dark); border-bottom:1px solid var(--line-dark); margin:0 0 24px; max-width:46em}
.authorband img{width:60px; height:60px; border-radius:50%; object-fit:cover; flex:none; background:var(--ink-2)}
.authorband .avatars{display:flex; flex:none}
.authorband .avatars img{margin-left:-16px; border:2px solid var(--ink); box-shadow:0 0 0 1px var(--line-dark)}
.authorband .avatars img:first-child{margin-left:0}
.authorband .who{font-size:14.5px; line-height:1.5; color:rgba(255,255,255,.86)}
.authorband .who b{color:#fff; font-weight:600}
.dates{font-family:var(--mono); font-size:12px; letter-spacing:.04em; color:var(--muted-dark); margin:0 0 34px}
.cta-row{display:flex; flex-wrap:wrap; gap:14px}

/* ---- buttons ---- */
.btn{display:inline-flex; align-items:center; gap:10px; min-height:48px; padding:0 26px; border-radius:999px;
  font-family:var(--sans); font-weight:600; font-size:15px; letter-spacing:-0.005em; cursor:pointer;
  border:1px solid transparent; transition:background .2s var(--t1),color .2s var(--t1),border-color .2s var(--t1); text-decoration:none}
.btn .arr{transition:transform .2s var(--t1)}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--blue); color:#fff}
.btn-primary:hover{background:var(--blue-2); color:#fff; text-decoration:none}
.btn-ink{background:var(--ink); color:#fff}
.btn-ink:hover{background:var(--ink-2); color:#fff; text-decoration:none}
.btn-ghost{background:transparent; color:#fff; border-color:rgba(255,255,255,.42)}
.btn-ghost:hover{border-color:#fff; color:#fff; text-decoration:none}
.btn-ghost-ink{background:transparent; color:var(--ink); border-color:var(--line)}
.btn-ghost-ink:hover{border-color:var(--ink); color:var(--ink); text-decoration:none; background:var(--bone)}

/* ---- section index ---- */
.index{background:var(--bone)}
.index ol{list-style:none; margin:0; padding:0; columns:2; column-gap:48px; max-width:900px}
.index li{break-inside:avoid; margin:0 0 2px}
.index a{display:flex; gap:14px; align-items:baseline; padding:8px 10px; border-radius:8px; font-family:var(--mono); font-size:13px; color:var(--ink); transition:background .2s var(--t1)}
.index a:hover{background:var(--paper); text-decoration:none; color:var(--blue)}
.index a .n{color:var(--blue); flex:none; width:2.6em}
.index a .t{color:inherit}
@media(max-width:640px){.index ol{columns:1}}

/* ---- tables ---- */
.tbl-wrap{overflow-x:auto; -webkit-overflow-scrolling:touch; margin:8px 0 4px}
table{border-collapse:collapse; width:100%; min-width:560px; font-size:15px}
caption{text-align:left; font-family:var(--mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); padding:0 0 12px}
th,td{text-align:left; padding:14px 18px; border-bottom:1px solid var(--line); vertical-align:top; line-height:1.45}
thead th{font-family:var(--mono); font-weight:500; font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--muted); border-bottom:1px solid var(--ink)}
tbody th{font-weight:600; color:var(--ink)}
tr.mine td, tr.mine th{background:rgba(6,85,255,.05)}
tbody tr:last-child th, tbody tr:last-child td{border-bottom:none}

/* fact strip (s02) — highlighted ink panel */
.factstrip{background:var(--ink); border-radius:14px; padding:30px 34px 12px; color:#fff; position:relative; overflow:hidden}
.factstrip::before{content:""; position:absolute; inset:0; background-image:linear-gradient(rgba(244,239,230,0.05) 1px,transparent 1px),linear-gradient(90deg,rgba(244,239,230,0.05) 1px,transparent 1px); background-size:56px 56px; -webkit-mask-image:radial-gradient(120% 90% at 85% 0%,#000 20%,transparent 75%); mask-image:radial-gradient(120% 90% at 85% 0%,#000 20%,transparent 75%); pointer-events:none}
.fs-head{position:relative; z-index:1; display:flex; align-items:center; justify-content:space-between; gap:16px; padding-bottom:22px; margin-bottom:6px; border-bottom:1px solid var(--line-dark)}
.fs-eyebrow{font-family:var(--mono); font-weight:500; font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:#fff; display:flex; align-items:center; gap:11px}
.fs-dot{width:8px; height:8px; background:var(--signal); flex:none}
.fs-meta{font-family:var(--mono); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--muted-dark)}
.fs-grid{position:relative; z-index:1; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:0; margin:0}
.fs-cell{padding:22px 26px 22px 22px; border-right:1px solid var(--line-dark); border-bottom:1px solid var(--line-dark)}
.fs-cell:nth-child(4n){border-right:none}
.fs-cell dt{font-family:var(--mono); font-weight:500; font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--blue-tint); margin:0 0 12px; display:flex; align-items:center; gap:8px}
.fs-cell dt::before{content:""; width:6px; height:6px; background:var(--blue); flex:none}
.fs-cell dd{margin:0; font-size:19px; line-height:1.28; font-weight:500; letter-spacing:-0.01em; color:#fff}
.fs-cell-wide{grid-column:span 1}
@media(max-width:860px){.fs-grid{grid-template-columns:repeat(2,minmax(0,1fr))} .fs-cell:nth-child(4n){border-right:1px solid var(--line-dark)} .fs-cell:nth-child(2n){border-right:none}}
@media(max-width:520px){.fs-grid{grid-template-columns:1fr} .fs-cell{border-right:none!important} .factstrip{padding:26px 22px 8px}}

/* quick answers */
.qa{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px 40px; margin-top:8px}
.qa .item .q{font-weight:600; color:var(--ink); margin:0 0 6px}
.qa .item .a{color:var(--muted); font-size:15.5px; margin:0}
@media(max-width:720px){.qa{grid-template-columns:1fr}}

/* generic two-col */
.split{display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:start}
@media(max-width:900px){.split{grid-template-columns:1fr; gap:36px}}

/* full-bleed photo band (s08) — image behind, text overlaid */
.fullband{position:relative; background:var(--ink); overflow:hidden; border-top:none; color:#fff}
.fullband::after{content:""; position:absolute; inset:0; z-index:0; background:linear-gradient(90deg,rgba(6,10,20,.94) 0%,rgba(6,10,20,.86) 40%,rgba(6,10,20,.55) 76%,rgba(6,10,20,.4) 100%)}
.fullband .fb-fig{position:absolute; inset:0; margin:0; z-index:0; background:none; border:none; border-radius:0}
.fullband .fb-fig .slot{position:absolute!important; inset:0; padding:0!important}
.fullband .fb-fig .slot img,.fullband .fb-fig .slot svg{position:absolute; inset:0; width:100%; height:100%; object-fit:cover}
.fullband .fb-fig .slot img{filter:brightness(.9)}
.fullband .fb-fig figcaption{display:none}
.fullband .sec-head,.fullband .fb-prose{position:relative; z-index:1}
.fullband h2{color:#fff}
.fullband .sec-idx{color:var(--blue-tint)}
.fullband .sec-idx::after{background:var(--blue-tint)}
.fullband .fb-prose{max-width:34em; color:rgba(255,255,255,.9)}
.fullband .fb-prose strong{color:#fff}
.fullband .fb-prose a{color:var(--blue-tint)}
.fullband .fb-prose a:hover{color:#fff}
.fullband .fb-cap{position:relative; z-index:1; font-family:var(--mono); font-size:12px; letter-spacing:.03em; color:var(--muted-dark); margin:26px 0 0; max-width:34em}

/* stacked prose + full-width diagram (s05, s07) */
.diagstack{display:block; max-width:100%}
.diagstack .prose{max-width:44em; margin:0 0 36px}
.diagstack>div:last-child{width:100%}
.diagstack figure{margin:0}
.diagstack .fig .slot{padding:30px 34px 14px!important}
.diagstack .fig .slot svg{width:100%; height:auto; max-height:none}
.diagstack .pull{margin-top:32px}

/* faq two equal columns, aligned tops (s14) */
.faqcols{grid-template-columns:1fr 1fr; gap:24px 56px; align-items:start}
.faqcols .faqgroup{margin:0}
.faqcols .faqgroup h3{padding-bottom:10px; border-bottom:1px solid var(--ink); margin-bottom:4px}
@media(max-width:900px){.faqcols{grid-template-columns:1fr; gap:8px 0}}

/* s06 — technology stack as animated layer cards */
#s06-the-technology-stack-we-used .stackgroup{margin:0 0 40px}
.tg-head{display:flex; align-items:center; gap:14px; padding-bottom:16px; margin-bottom:22px; border-bottom:1px solid var(--line)}
.tg-head .gi{font-family:var(--mono); font-weight:600; font-size:13px; letter-spacing:.04em; color:#fff; background:var(--ink); width:34px; height:34px; border-radius:8px; display:flex; align-items:center; justify-content:center; flex:none; transition:background .25s var(--t1)}
.stackgroup:nth-of-type(1) .tg-head .gi{background:var(--blue)}
.stackgroup:nth-of-type(2) .tg-head .gi{background:var(--ink)}
.stackgroup:nth-of-type(3) .tg-head .gi{background:var(--blue-deep)}
.tg-head h3{font-size:19px; font-weight:600; letter-spacing:-0.01em; margin:0}
.tg-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:16px}
.tcard{position:relative; background:var(--bone); border:1px solid var(--line); border-radius:14px; padding:22px 22px 20px; overflow:hidden;
  transition:transform .28s var(--t1), border-color .28s var(--t1), background .28s var(--t1), box-shadow .28s var(--t1)}
.tcard::before{content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--ac,var(--blue)); transform:scaleY(0); transform-origin:top; transition:transform .3s var(--t1)}
.tcard::after{content:""; position:absolute; right:-40%; top:-60%; width:70%; height:180%; background:radial-gradient(circle,color-mix(in oklch,var(--ac,var(--blue)) 16%,transparent) 0%,transparent 70%); opacity:0; transition:opacity .35s var(--t1); pointer-events:none}
.tcard:hover{transform:translateY(-5px); background:#fff; border-color:var(--ac,var(--blue)); box-shadow:0 22px 40px -26px rgba(10,10,11,.4), 0 2px 6px rgba(10,10,11,.05)}
.tcard:hover::before{transform:scaleY(1)}
.tcard:hover::after{opacity:1}
.tcard .layer{font-family:var(--mono); font-weight:500; font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); display:flex; align-items:center; gap:8px; margin:0 0 12px; transition:color .25s var(--t1)}
.tcard .layer::before{content:""; width:6px; height:6px; background:var(--ac,var(--blue)); flex:none; transition:transform .25s var(--t1)}
.tcard:hover .layer{color:var(--ac,var(--blue))}
.tcard:hover .layer::before{transform:rotate(45deg)}
.tcard .used{font-size:17px; font-weight:600; line-height:1.3; letter-spacing:-0.01em; color:var(--ink); margin:0 0 8px}
.tcard .why{font-size:14.5px; line-height:1.45; color:var(--muted); margin:0 0 16px}
.tcard .ruled{font-family:var(--mono); font-size:11.5px; letter-spacing:.02em; color:rgba(10,10,11,0.5); margin:0; padding-top:12px; border-top:1px solid var(--line-soft); transition:color .25s var(--t1)}
.tcard .ruled s{color:rgba(10,10,11,0.42); text-decoration-color:var(--rust); text-decoration-thickness:1.5px}
.tcard:hover .ruled s{color:var(--rust)}
.stackgroup:nth-of-type(1) .tg-grid{--ac:var(--blue)}
.stackgroup:nth-of-type(2) .tg-grid{--ac:#111827}
.stackgroup:nth-of-type(3) .tg-grid{--ac:var(--blue-deep)}
@media(prefers-reduced-motion:reduce){.tcard,.tcard::before,.tcard::after{transition:none}.tcard:hover{transform:none}}

/* s09 — full-width animated "three fixes" band */
.fixband{position:relative; margin:48px 0 0; padding:58px max(var(--gut),calc(50% - var(--container)/2)) 40px; background:var(--ink); color:#fff; overflow:hidden}
.fixband::before{content:""; position:absolute; inset:0; background-image:linear-gradient(rgba(244,239,230,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(244,239,230,.05) 1px,transparent 1px); background-size:56px 56px; -webkit-mask-image:radial-gradient(120% 100% at 50% 0%,#000 30%,transparent 80%); mask-image:radial-gradient(120% 100% at 50% 0%,#000 30%,transparent 80%); pointer-events:none}
.fixband .fixinner{position:relative; z-index:1; max-width:var(--container); margin:0 auto}
.fixband svg{display:block; width:100%; height:auto}
.fixband text{font-family:var(--mono); font-weight:500}
.fixband figcaption{position:relative; z-index:1; max-width:var(--container); margin:20px auto 0; font-family:var(--mono); font-size:12px; letter-spacing:.03em; color:var(--muted-dark)}
.an-draw{stroke-dasharray:var(--l,300); stroke-dashoffset:0}
.an-pulse,.an-clamp,.an-flag{transform-box:fill-box}
.an-pulse{transform-origin:center}
.an-clamp{transform-origin:center bottom}
@keyframes bnDraw{0%{stroke-dashoffset:var(--l,300)}28%{stroke-dashoffset:0}86%{stroke-dashoffset:0}100%{stroke-dashoffset:var(--l,300)}}
@keyframes bnPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.07)}}
@keyframes bnBlink{0%,100%{opacity:.28}50%{opacity:1}}
@keyframes bnScan{0%{transform:translateX(0);opacity:.15}22%{opacity:1}78%{opacity:1}100%{transform:translateX(120px);opacity:.15}}
@keyframes bnClamp{0%{transform:scaleY(.25)}16%{transform:scaleY(1.5)}40%{transform:scaleY(1.5)}62%{transform:scaleY(1)}92%{transform:scaleY(1)}100%{transform:scaleY(.25)}}
@keyframes bnFlag{0%,44%{opacity:0; transform:translateY(-5px)}60%,100%{opacity:1; transform:translateY(0)}}
@keyframes bnFlow{0%{transform:translateX(0); opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateX(560px); opacity:0}}
.fixband.on .an-draw{animation:bnDraw 5.4s var(--t1) infinite}
.fixband.on .an-pulse{animation:bnPulse 2.6s var(--t1) infinite}
.fixband.on .an-blink{animation:bnBlink 3s var(--t1) infinite}
.fixband.on .an-scan{animation:bnScan 3.4s var(--t1) infinite}
.fixband.on .an-clamp{animation:bnClamp 5.4s var(--t1) infinite}
.fixband.on .an-flag{animation:bnFlag 5.4s var(--t1) infinite}
.fixband.on .an-flow{animation:bnFlow 4.2s linear infinite}
.an-flow{transform-box:fill-box}
@media(prefers-reduced-motion:reduce){.fixband.on *{animation:none!important}}

/* figure / visuals */
figure{margin:0}
.fig{background:var(--bone); border:1px solid var(--line); border-radius:14px; overflow:hidden}
.fig.plain{background:var(--paper)}
.fig .slot{position:relative; width:100%}
.fig .slot svg{display:block; width:100%; height:auto}
figcaption{font-family:var(--mono); font-size:12px; line-height:1.5; color:var(--muted); padding:14px 18px; border-top:1px solid var(--line)}
.fig .slot img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover}

/* list moments */
ul.points{list-style:none; margin:16px 0; padding:0; max-width:44em}
ul.points li{position:relative; padding:14px 0 14px 30px; border-bottom:1px solid var(--line-soft); font-size:16.5px; line-height:1.5}
ul.points li:last-child{border-bottom:none}
ul.points li::before{content:""; position:absolute; left:0; top:22px; width:7px; height:7px; background:var(--blue)}
ol.steps{list-style:none; counter-reset:st; margin:18px 0; padding:0; max-width:46em}
ol.steps li{position:relative; counter-increment:st; padding:16px 0 16px 56px; border-bottom:1px solid var(--line-soft); font-size:16.5px; line-height:1.5}
ol.steps li:last-child{border-bottom:none}
ol.steps li::before{content:counter(st,decimal-leading-zero); position:absolute; left:0; top:16px; font-family:var(--mono); font-weight:500; font-size:13px; color:var(--blue); border:1px solid var(--line); border-radius:8px; width:34px; height:34px; display:flex; align-items:center; justify-content:center}

/* two decisions / cards */
.deck{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:18px; margin:22px 0}
.card{background:var(--bone); border:1px solid var(--line); border-radius:14px; padding:26px 26px 28px; transition:background .2s var(--t1),border-color .2s var(--t1)}
.card:hover{background:#fff; border-color:var(--ink)}
.card .tag{font-family:var(--mono); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--blue); margin:0 0 12px}
.card p{font-size:15.5px; margin:0}
.card p+p{margin-top:.8em}
.card .cx{color:var(--muted); font-size:13px; display:block; margin-bottom:6px; font-family:var(--mono); letter-spacing:.04em; text-transform:uppercase}

/* pull quote */
.pull{font-family:var(--serif); font-style:italic; font-weight:400; color:var(--blue); font-size:clamp(24px,3vw,36px); line-height:1.25; letter-spacing:-0.01em; max-width:20ch; margin:40px 0; padding-left:22px; border-left:2px solid var(--blue)}

/* stack groups */
.stackgroup{margin:0 0 34px}
.stackgroup h3{display:flex; align-items:center; gap:12px}
.stackgroup h3 .gi{font-family:var(--mono); font-size:11.5px; color:var(--blue); font-weight:500; letter-spacing:.06em}

/* CTA blocks */
.cta-slim{display:flex; flex-wrap:wrap; align-items:center; gap:18px 26px; padding:26px 30px; background:var(--bone); border:1px solid var(--line); border-radius:14px; margin-top:8px}
.cta-slim p{margin:0; font-size:16.5px; font-weight:500}
.cta-band{background:var(--ink); color:#fff; border-radius:0; display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:26px; position:relative; overflow:hidden;
  width:auto; margin:0;
  padding:56px max(var(--gut),calc(50% - var(--container)/2))}
.cta-band .bg{position:absolute; inset:0; opacity:.5}
.cta-band .txt{position:relative; z-index:1; max-width:32em}
.cta-band h3{color:#fff; font-size:clamp(22px,2.4vw,30px); margin:0 0 8px}
.cta-band .trust{color:var(--muted-dark); font-family:var(--mono); font-size:12.5px; letter-spacing:.03em; margin:0}
.cta-band .act{position:relative; z-index:1}

/* the form (no <form> element — JS-handled inputs) */
.leadblock{background:linear-gradient(115deg,#0858FF 0%,#0A48E0 52%,#0334B8 100%); border-radius:22px; padding:0; overflow:hidden; position:relative; color:#fff}
.leadblock .grid{position:absolute; inset:0; opacity:.5}
.leadblock .in{position:relative; z-index:1; display:grid; grid-template-columns:1fr 1.05fr; gap:20px 56px; padding:52px 48px}
.leadblock h3{color:#fff; font-size:clamp(24px,2.6vw,34px); line-height:1.08; margin:0 0 14px; max-width:12ch}
.leadblock .sub{color:var(--blue-tint); font-size:16px; max-width:30em; margin:0}
.formfields{display:flex; flex-direction:column; gap:16px}
.field label{display:block; font-family:var(--mono); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:rgba(255,255,255,.86); margin:0 0 7px}
.field label .req{color:var(--signal)}
.field input,.field textarea{width:100%; min-height:48px; font-family:var(--sans); font-size:15.5px; color:#fff; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.30); border-radius:8px; padding:12px 14px; transition:border-color .2s var(--t1),background .2s var(--t1)}
.field textarea{min-height:96px; resize:vertical; line-height:1.5}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.55)}
.field input:focus,.field textarea:focus{outline:none; border-color:#fff; background:rgba(255,255,255,.14)}
.formfields .foot{display:flex; flex-wrap:wrap; align-items:center; gap:14px 20px; margin-top:4px}
.leadblock .btn-signal{background:#fff; color:var(--blue-deep)}
.leadblock .btn-signal:hover{background:var(--blue-tint); color:var(--blue-deep)}
.microbtn{font-family:var(--mono); font-size:12px; color:var(--blue-tint); margin:0; max-width:24em; line-height:1.5}
.formok{display:none; position:relative; z-index:1; padding:52px 48px}
.formok.show{display:block}
.formok h3{color:#fff}
.err{border-color:var(--signal)!important}
@media(max-width:820px){.leadblock .in{grid-template-columns:1fr; padding:40px 28px}}

/* results self stat */
.bigstat{font-size:19px; line-height:1.55; max-width:42em; margin:26px 0 10px}
.honesty{color:var(--muted); font-size:16px; max-width:42em}

/* FAQ */
.faqgroup{margin:0 0 26px}
details{border-bottom:1px solid var(--line)}
details summary{cursor:pointer; list-style:none; padding:20px 40px 20px 0; position:relative; font-weight:600; font-size:17.5px; color:var(--ink)}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+"; position:absolute; right:6px; top:18px; font-family:var(--mono); font-weight:500; font-size:22px; color:var(--blue); transition:transform .2s var(--t1)}
details[open] summary::after{content:"–"}
details .ans{padding:0 40px 22px 0; color:var(--muted); font-size:16px; max-width:52em}
details .ans p{margin:0}

/* sources / cite */
.sources{background:var(--bone)}
.sources ol{margin:14px 0 0; padding-left:1.4em; max-width:52em}
.sources li{font-size:14px; line-height:1.6; color:var(--muted); margin:0 0 12px}
.cite{border:1px dashed var(--line); border-radius:14px; padding:24px 28px; margin-top:36px; max-width:52em}
.cite .ct{font-family:var(--mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); margin:0 0 10px}
.cite p{margin:0; font-size:14.5px; line-height:1.6}

/* service cards */
.svc{display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:16px; margin:8px 0 30px}
.svc a.scard{display:block; background:var(--bone); border:1px solid var(--line); border-radius:14px; padding:24px; color:var(--ink); transition:background .2s var(--t1),border-color .2s var(--t1)}
.svc a.scard:hover{background:#fff; border-color:var(--ink); text-decoration:none}
.svc a.scard .h{font-weight:600; font-size:17px; display:flex; align-items:center; gap:8px; margin:0 0 8px}
.svc a.scard .h .arr{color:var(--blue); transition:transform .2s var(--t1)}
.svc a.scard:hover .h .arr{transform:translateX(4px)}
.svc a.scard p{margin:0; font-size:14.5px; color:var(--muted)}
.svc-prose{max-width:44em; font-size:16.5px}

/* related cases */
.cases{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; margin-top:8px}
.cases a.case{display:flex; flex-direction:column; gap:10px; background:var(--ink); color:#fff; border-radius:14px; padding:28px 26px; min-height:190px; transition:background .2s var(--t1)}
.cases a.case:hover{background:var(--ink-2); text-decoration:none}
.cases a.case .ct{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--signal)}
.cases a.case .h{font-weight:600; font-size:18px; line-height:1.2; color:#fff}
.cases a.case p{margin:0; font-size:14px; color:var(--muted-dark)}
.cases a.case .arr{margin-top:auto; color:#fff}
@media(max-width:820px){.cases{grid-template-columns:1fr}}

/* sticky cta */
.sticky{position:fixed; left:50%; bottom:22px; transform:translateX(-50%) translateY(140%); z-index:60;
  display:flex; align-items:center; gap:14px; background:var(--ink); color:#fff; border:1px solid var(--ink-3);
  border-radius:999px; padding:8px 8px 8px 22px; box-shadow:0 20px 50px -20px rgba(10,10,11,.6);
  transition:transform .3s var(--t2); max-width:calc(100vw - 32px)}
.sticky.show{transform:translateX(-50%) translateY(0)}
.sticky .lbl{font-size:14px; font-weight:500; display:flex; align-items:center; gap:10px}
.sticky .lbl .pd{width:8px; height:8px; border-radius:50%; background:var(--signal); flex:none}
.sticky .btn{min-height:40px; padding:0 20px; font-size:14px}
.sticky .x{background:transparent; border:none; color:var(--muted-dark); cursor:pointer; font-family:var(--mono); font-size:18px; line-height:1; padding:6px 8px; border-radius:50%}
.sticky .x:hover{color:#fff}
@media(max-width:560px){.sticky .lbl{display:none}}

/* diagram / illustration svg text */
.dsvg text{font-family:var(--mono); font-weight:500; fill:var(--ink)}
.dsvg .lbl{font-size:13px; letter-spacing:.02em}
.dsvg .lbl.sm{font-size:11px}
.dsvg .num{font-size:12px; fill:var(--blue)}
.dsvg .lane{font-size:11px; letter-spacing:.14em; fill:var(--muted)}
.dsvg .node-box{fill:#fff; stroke:var(--line); stroke-width:1.4}
.dsvg .node-hinge{fill:#fff; stroke:var(--blue); stroke-width:2}
.dsvg .human{fill:rgba(6,85,255,.06); stroke:var(--blue); stroke-width:1.4}
.dsvg .flow{stroke:var(--ink); stroke-width:1.6; fill:none}
.dsvg .flow.blue{stroke:var(--blue)}
.dsvg .edgelbl{font-size:10.5px; letter-spacing:.08em; fill:var(--muted)}
.dsvg .strip{fill:rgba(10,10,11,.04); stroke:var(--line); stroke-width:1}
.dsvg .bar-manual{fill:var(--ink)}
.dsvg .bar-pipe{fill:var(--blue)}
.dsvg .axis{stroke:var(--line); stroke-width:1}

/* ---- motion (opt-in via body.js-anim so no-JS shows final state) ---- */
.js-anim .anim{opacity:0}
.js-anim .anim.up{transform:translateY(10px)}
.js-anim .anim.play, .js-anim .played .anim{opacity:1; transform:none; transition:opacity .55s var(--t1), transform .55s var(--t1)}
.js-anim .anim{transition:none}
/* diagram node/edge reveal */
.js-anim .dstep{opacity:0}
.js-anim .dstep.on{opacity:1; transition:opacity .5s var(--t1)}
@media (prefers-reduced-motion:reduce){
  .js-anim .anim,.js-anim .dstep{opacity:1!important; transform:none!important; transition:none!important}
}





.form-row {
    display: grid;
    gap: 14px;
    margin-bottom: 14px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}.form-row.single { grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: #fff; }
.field input, .field select, .field textarea {
     width: 100%;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .34);
    border-radius: 8px;
    padding: 14px 16px;
    font: inherit;
    font-size: 15.5px;
    color: #fff;
    min-height: 48px;
}

.field p br {
    display: none;
}
input::placeholder,
textarea::placeholder {
   color: #fff;
    opacity: .8;
}
.contact_form_case .btn-primary {
    background: #fff;
    color: var(--ink);
}
.field textarea { resize: vertical; min-height: 100px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); }
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23bababa' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.req { color: var(--blue); }
.form-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 8px; flex-wrap: wrap; }
.form-fine { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; color: var(--muted-dark); letter-spacing: 0.04em; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    padding: 13px 22px;
    border-radius: 999px;
    font-family: var(--sans);
    font-weight: 600;
    font-size: 15.5px;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}