/* TraceSpeak site styles */
:root{
  color-scheme:dark;
  --bg:#101211;--bg-2:#131414;--surface:#1a1b1a;--surface-2:#242525;--surface-3:#2c2d2c;
  --line:#ffffff17;--line-2:#ffffff2b;
  --text:#f4f4ee;--muted:#a9aaa6;--dim:#7c7e7a;
  --accent:#ff704a;--accent-2:#ff8d6c;--accent-soft:#ff704a1f;--accent-line:#ff704a66;
  --ok:#3fbf6a;--ok-soft:#3fbf6a1c;
  --ph:#ffd23f;--ph-soft:#ffd23f1a;
  --radius:0.875rem;--radius-sm:0.5625rem;
  --container:75rem;--gutter:clamp(1rem,4vw,2.5rem);
  --font:'DM Sans',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  --font-label:'Barlow Condensed','Arial Narrow',Arial,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
/* Sizes are in rem, so the whole layout scales from this one value: 16px up to 1600px wide, then 1vw (e.g. ~38px on a 4K screen at 100% scaling). */
html{font-size:clamp(100%,1vw,250%);scroll-behavior:smooth;scroll-padding-top:6rem;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:1.0625rem;line-height:1.6;overflow-x:clip}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
p{margin:0 0 1em;text-wrap:pretty}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.025em;line-height:1.1;text-wrap:balance}
h1{font-size:clamp(2.5rem,6vw,4.75rem);letter-spacing:-.03em}
h2{font-size:clamp(1.875rem,4vw,3.125rem);letter-spacing:-.028em}
h3{font-size:clamp(1.1875rem,1.6vw,1.375rem)}
h4{font-size:1.0625rem}
ul,ol{margin:0;padding:0}
em{font-style:normal;color:var(--accent)}
.ts{color:var(--text)}.ts em{font-style:normal;color:var(--accent)}
strong{font-weight:600;color:var(--text)}
code,.mono{font-family:var(--font-mono);font-size:.88em}
::selection{background:var(--accent);color:#101211}
:focus-visible{outline:2px solid var(--accent);outline-offset:0.1875rem;border-radius:0.25rem}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:fixed;left:1rem;top:-3.75rem;z-index:200;background:var(--accent);color:#000;padding:0.625rem 0.875rem;border-radius:0.375rem;font-weight:600}
.skip-link:focus{top:0.75rem}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.container--narrow{max-width:53.75rem}

/* ---------- placeholders ---------- */
.ph{display:inline-flex;align-items:center;gap:.4em;background:var(--ph-soft);color:var(--ph);border:1px dashed var(--ph);border-radius:0.375rem;padding:.05em .5em;font-family:var(--font-mono);font-size:.78em;font-weight:500;letter-spacing:0;line-height:1.5;vertical-align:baseline;white-space:normal}
.ph::after{content:attr(data-ph);opacity:.65;font-size:.85em;white-space:nowrap}
.ph-box{display:grid;place-items:center;text-align:center;gap:0.375rem;min-height:11.25rem;padding:1.5rem;border:1.5px dashed var(--ph);border-radius:var(--radius);background:repeating-linear-gradient(135deg,var(--ph-soft) 0 0.75rem,transparent 0.75rem 1.5rem);color:var(--ph);font-family:var(--font-mono);font-size:0.8125rem}
.ph-box strong{color:var(--ph);font-size:0.875rem}
.ph-box span{color:var(--muted);max-width:40ch}

/* ---------- labels, badges, buttons ---------- */
.eyebrow{display:inline-flex;flex-wrap:wrap;align-items:center;gap:0.5rem 0.625rem;font-family:var(--font-label);font-size:0.875rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:1.125rem}
.eyebrow--muted{color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:0.375rem;font-family:var(--font-label);font-size:0.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:0.1875rem 0.5625rem;border-radius:62.4375rem;border:1px solid var(--line-2);color:var(--muted);vertical-align:middle;white-space:nowrap}
.badge--live{color:var(--ok);border-color:#3fbf6a66;background:var(--ok-soft)}
.badge--live::before{content:'';width:0.375rem;height:0.375rem;border-radius:50%;background:var(--ok);box-shadow:0 0 0.5rem var(--ok)}
.badge--soon{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}
.badge--pilot{color:var(--muted);border-style:dashed}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.625rem;min-height:3rem;padding:0.75rem 1.375rem;border-radius:62.4375rem;border:1px solid var(--line-2);font-weight:600;font-size:1rem;line-height:1.2;transition:background .2s,color .2s,border-color .2s,transform .2s;cursor:pointer;font-family:inherit;color:var(--text);background:transparent;text-align:center}
.btn:hover{border-color:var(--text)}
.btn--primary{background:var(--accent);border-color:var(--accent);color:#101111}
.btn--primary:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn--sm{min-height:2.5rem;padding:0.5rem 1rem;font-size:0.875rem}
.btn-row{display:flex;flex-wrap:wrap;gap:0.75rem;align-items:center}
.text-link{color:var(--accent);font-weight:600;display:inline-flex;gap:0.375rem;align-items:center}
.text-link:hover{text-decoration:underline;text-underline-offset:0.25rem}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#101211cc;backdrop-filter:saturate(1.4) blur(1rem);-webkit-backdrop-filter:saturate(1.4) blur(1rem);border-bottom:1px solid transparent;transition:border-color .2s,background .2s}
.site-header.is-scrolled{border-bottom-color:var(--line);background:#101211f0}
.header-inner{display:flex;align-items:center;gap:1.75rem;height:4.5rem}
.brand{display:inline-flex;align-items:center;gap:0.625rem;font-weight:700;font-size:1.25rem;letter-spacing:-.02em}
.brand .mark{width:1.625rem;height:1.625rem;color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:0.25rem;margin-left:0.75rem}
.main-nav>a,.nav-item>a{display:inline-flex;align-items:center;gap:0.375rem;padding:0.5rem 0.75rem;border-radius:0.5rem;font-size:0.9375rem;color:var(--muted);transition:color .15s,background .15s}
.main-nav>a:hover,.nav-item>a:hover,.main-nav a[aria-current="page"]{color:var(--text)}
.main-nav a[aria-current="page"]{background:var(--surface-2)}
.caret{font-size:0.6875rem;opacity:.7}
.nav-item{position:relative}
.submenu{position:absolute;top:calc(100% + 0.375rem);left:0;min-width:18.75rem;padding:0.5rem;background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius);box-shadow:0 1.25rem 3.125rem #0009;opacity:0;visibility:hidden;transform:translateY(-0.25rem);transition:opacity .15s,transform .15s,visibility .15s}
.submenu::before{content:'';position:absolute;inset:-0.625rem 0 auto;height:0.625rem}
.has-menu:hover .submenu,.has-menu:focus-within .submenu{opacity:1;visibility:visible;transform:none}
.submenu a{display:flex;flex-direction:column;gap:2px;padding:0.625rem 0.75rem;border-radius:0.5rem}
.submenu a:hover,.submenu a[aria-current="page"]{background:var(--surface-2)}
.submenu a span{font-weight:600;font-size:0.9375rem;display:flex;gap:0.5rem;align-items:center}
.submenu a small{color:var(--dim);font-size:0.8125rem}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:1rem}
.link-quiet{color:var(--muted);font-size:0.9375rem}
.link-quiet:hover,.link-quiet[aria-current="page"]{color:var(--text)}
.menu-toggle{display:none;width:2.75rem;height:2.75rem;border:1px solid var(--line-2);border-radius:0.625rem;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:0.375rem}
.menu-toggle span:not(.sr-only){display:block;width:1.125rem;height:1.5px;background:var(--text);transition:transform .2s}
.menu-toggle[aria-expanded="true"] span:nth-of-type(2){transform:translateY(0.2344rem) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-of-type(3){transform:translateY(-0.2344rem) rotate(-45deg)}
.mobile-nav{border-top:1px solid var(--line);padding:0.75rem var(--gutter) 1.5rem;max-height:calc(100vh - 4.5rem);overflow:auto;background:var(--bg)}
.mobile-nav a{display:flex;align-items:center;gap:0.5rem;padding:0.75rem 0;font-size:1.125rem;border-bottom:1px solid var(--line)}
.mobile-nav .btn{margin-top:1.25rem;width:100%;border-bottom:0}
.mobile-nav__label{margin:1rem 0 0;font-family:var(--font-label);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);font-size:0.8125rem}

/* ---------- sections ---------- */
.section{padding:clamp(4.5rem,10vw,8rem) 0;position:relative}
.section--tight{padding:clamp(3rem,7vw,5rem) 0}
.section--alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:47.5rem;margin-bottom:clamp(2.25rem,5vw,3.5rem)}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head .lead{margin-top:1.125rem}
.lead{font-size:clamp(1.125rem,1.6vw,1.3125rem);color:var(--muted);line-height:1.6}
.muted{color:var(--muted)}
.small{font-size:0.875rem}
.note{font-size:0.875rem;color:var(--dim)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(88vh,51.25rem);display:flex;align-items:center;padding:6rem 0 4.5rem;overflow:hidden;isolation:isolate}
.hero__media{position:absolute;inset:0;z-index:-1}
.hero__media video,.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__media::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#101211f2 0%,#101211cc 38%,#10121155 70%,#10121133),linear-gradient(180deg,transparent 60%,var(--bg))}
.hero__content{max-width:45rem}
.hero h1{margin-bottom:1.5rem}
.hero .lead{max-width:37.5rem;margin-bottom:2.125rem;color:#d8d8d2}
.hero__trust{margin-top:1.75rem;display:flex;flex-wrap:wrap;gap:0.5rem 1.25rem;color:var(--muted);font-size:0.875rem}
.hero__trust span{display:inline-flex;align-items:center;gap:0.5rem}
.hero__trust span::before{content:'';width:0.375rem;height:0.375rem;border-radius:50%;background:var(--accent)}
.page-hero{position:relative;padding:clamp(4.5rem,10vw,7.5rem) 0 clamp(3.5rem,7vw,5.5rem);overflow:hidden;isolation:isolate;border-bottom:1px solid var(--line)}
.page-hero::before{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(56.25rem 26.25rem at 85% 0%,#ff704a1f,transparent 70%),radial-gradient(37.5rem 18.75rem at 0% 100%,#f4f4ee0d,transparent 70%)}
.page-hero--media .hero__media::after{background:linear-gradient(90deg,#101211f5 0%,#101211d9 45%,#10121199),linear-gradient(180deg,transparent 50%,var(--bg))}
.page-hero h1{font-size:clamp(2.375rem,5.4vw,4.125rem);margin-bottom:1.25rem;max-width:56.25rem}
.page-hero .lead{max-width:42.5rem}
.page-hero .btn-row{margin-top:2rem}
.hero-split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:1.25rem}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.split--top{align-items:start}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.375rem,2.4vw,1.875rem);position:relative}
.card h3{margin-bottom:0.625rem}
.card p{color:var(--muted);font-size:1rem}
.card--accent{background:linear-gradient(160deg,#ff704a14,var(--surface) 55%);border-color:var(--accent-line)}
.card--link{transition:border-color .2s,transform .2s}
.card--link:hover{border-color:var(--line-2);transform:translateY(-2px)}
.card__top{display:flex;justify-content:space-between;align-items:center;gap:0.75rem;margin-bottom:1.375rem}
.card__num{font-family:var(--font-mono);font-size:0.8125rem;color:var(--dim)}
.card .text-link{margin-top:1rem}
.icon{width:2.75rem;height:2.75rem;display:grid;place-items:center;border-radius:0.6875rem;background:var(--surface-3);color:var(--text)}
.icon svg{width:1.375rem;height:1.375rem}
.card--accent .icon{background:var(--accent-soft);color:var(--accent)}
.product-card{display:flex;flex-direction:column}
.product-card h3{font-size:1.5rem}
.product-card .kicker{font-family:var(--font-label);letter-spacing:.14em;text-transform:uppercase;color:var(--dim);font-size:0.8125rem;margin-bottom:0.75rem}
.product-card .text-link{margin-top:auto;padding-top:1.25rem}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.stat{padding:clamp(1.375rem,3vw,2.125rem);border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat__value{font-size:clamp(2.125rem,4vw,3.25rem);font-weight:600;letter-spacing:-.04em;line-height:1;color:var(--text);margin-bottom:0.625rem}
.stat__value em{color:var(--accent)}
.stat p{color:var(--muted);font-size:0.9375rem;line-height:1.45}

/* ---------- manual timeline (problem) ---------- */
.handoffs{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:0.625rem}
.handoff{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem 0.875rem;display:flex;flex-direction:column;gap:0.625rem;min-height:10.625rem}
.handoff__time{font-family:var(--font-mono);font-size:0.75rem;color:var(--muted);background:var(--surface-3);border-radius:62.4375rem;padding:2px 0.5625rem;align-self:flex-start}
.handoff--long .handoff__time{color:var(--accent);background:var(--accent-soft)}
.handoff h3{font-size:1rem;letter-spacing:-.01em;line-height:1.3}
.handoff p{margin-top:auto;font-size:0.8125rem;color:var(--dim);line-height:1.4}
.handoff-bar{display:flex;gap:0.25rem;margin:1.125rem 0 0.875rem;height:0.375rem}
.handoff-bar span{border-radius:0.25rem;background:var(--surface-3)}
.handoff-bar span.is-long{background:#ff704a8c}
.handoff-total{display:flex;justify-content:space-between;flex-wrap:wrap;gap:0.5rem;font-size:0.9375rem;color:var(--muted)}
.handoff-total strong{font-size:1.125rem}
.resolve{margin-top:1.75rem;border:1px solid var(--accent-line);background:linear-gradient(120deg,#ff704a1a,transparent 70%);border-radius:var(--radius);padding:clamp(1.25rem,3vw,1.875rem)}
.resolve h3{font-size:clamp(1.25rem,2.2vw,1.625rem);margin-bottom:1.125rem}
.chips{display:flex;flex-wrap:wrap;gap:0.5rem}
.chip{display:inline-flex;align-items:center;gap:0.5rem;padding:0.4375rem 0.875rem;border-radius:62.4375rem;background:var(--surface-2);border:1px solid var(--line);font-size:0.875rem;font-weight:500}
.chip--hot{background:var(--accent);color:#101111;border-color:var(--accent)}
.chip-arrow{color:var(--dim);align-self:center}

/* ---------- steps / flow ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem;counter-reset:step}
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0.75rem;position:relative}
.flow-figure{margin:0 0 1.75rem;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}.flow-figure img{display:block;width:100%;height:auto}
.flow__step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem 1.125rem;position:relative}
.flow__step:not(:last-child)::after{content:'→';position:absolute;right:-0.75rem;top:50%;transform:translate(50%,-50%);color:var(--dim);font-size:1rem;z-index:1}
.flow__step--hot{border-color:var(--accent);background:linear-gradient(160deg,#ff704a1f,var(--surface) 60%)}
.flow__step .card__num{display:block;margin-bottom:0.875rem}
.flow__step h3{font-size:1.125rem;margin-bottom:0.5rem}
.flow__step p{font-size:0.875rem;color:var(--muted);line-height:1.5}
.loop-note{margin-top:1rem;border:1px dashed var(--line-2);border-radius:var(--radius);padding:1.125rem 1.375rem;color:var(--muted);font-size:0.9375rem}
.loop-note strong{color:var(--text)}
.lineage{display:flex;flex-wrap:wrap;align-items:center;gap:0.375rem;font-family:var(--font-mono);font-size:0.8125rem;color:var(--muted)}
.lineage span{padding:0.25rem 0.625rem;border:1px solid var(--line-2);border-radius:0.375rem;background:var(--surface)}
.lineage i{font-style:normal;color:var(--accent)}
.night{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.night .card__num{color:var(--muted);letter-spacing:.08em}
.night .card--accent .card__num{color:var(--accent)}

/* ---------- V-cycle ---------- */
.vcycle{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(1.75rem,4vw,3.5rem);align-items:center}
.vcycle svg{width:100%;height:auto}
.vcycle svg text{font-family:var(--font);fill:var(--muted);font-size:13px}
.vcycle svg .v-label-strong{fill:var(--text);font-weight:600}
.legend{display:grid;gap:0.875rem}
.legend__item{display:grid;grid-template-columns:1rem 1fr;gap:0.875rem;align-items:start;padding:1rem 1.125rem;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line)}
.legend__swatch{width:0.875rem;height:0.875rem;border-radius:0.25rem;margin-top:0.3125rem}
.legend__item h3{font-size:1rem;margin-bottom:0.25rem}
.legend__item p{font-size:0.875rem;color:var(--muted);line-height:1.5}
.sw-today{background:var(--accent)}
.sw-next{background:transparent;border:2px solid var(--accent)}
.sw-vision{background:transparent;border:2px dashed var(--dim)}

/* ---------- feature blocks ---------- */
.feature-block{display:grid;grid-template-columns:17.5rem 1fr;gap:clamp(1.5rem,4vw,3.5rem);padding:clamp(2rem,4vw,3rem) 0;border-top:1px solid var(--line)}
.feature-block:first-of-type{border-top:0;padding-top:0}
.feature-block__head h3{font-size:1.5rem;margin-bottom:0.5rem}
.feature-block__head p{color:var(--muted);font-size:0.9375rem}
.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.375rem}
.feature__num{font-family:var(--font-mono);font-size:0.75rem;color:var(--accent);margin-bottom:0.625rem;display:block}
.feature h4{font-size:1.125rem;margin-bottom:0.5rem;letter-spacing:-.015em}
.feature p{color:var(--muted);font-size:0.9375rem;line-height:1.55}

/* ---------- example: chat + trace ---------- */
.example{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.25rem,3vw,2.5rem);align-items:start}
.example + .example{margin-top:clamp(3rem,6vw,5rem)}
.example__head{grid-column:1/-1;max-width:47.5rem}
.example__head h3{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:0.625rem}
.example__head p{color:var(--muted)}
.chat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;display:grid;gap:0.875rem}
.chat__label{display:flex;align-items:center;gap:0.5rem;min-height:1.75rem;font-family:var(--font-label);letter-spacing:.16em;text-transform:uppercase;font-size:0.8125rem;color:var(--muted)}
.chat__q{justify-self:end;max-width:88%;background:var(--surface-3);border-radius:0.875rem 0.875rem 0.25rem 0.875rem;padding:0.75rem 1rem;font-size:0.9375rem}
.chat__a{border:1px solid var(--accent-line);border-radius:0.75rem;padding:1rem 1.125rem;background:#141515;font-size:0.9375rem}
.chat__a p{color:var(--muted)}
.chat__a p:first-child{color:var(--text)}
.chat__a .hl{color:var(--accent);font-weight:600}
.tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:0.875rem}
.tag{font-family:var(--font-mono);font-size:0.75rem;padding:0.25rem 0.625rem;border-radius:62.4375rem;background:var(--surface-3);color:var(--text)}
.tag--hot{background:var(--accent);color:#101111;font-weight:500}
.trace{display:grid}
.trace__title{display:flex;justify-content:space-between;gap:0.75rem;font-family:var(--font-label);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-size:0.8125rem;padding-bottom:0.625rem;border-bottom:1px solid var(--line)}
.trace__title strong{font-family:var(--font-mono);letter-spacing:0;text-transform:none;color:var(--accent);font-weight:500}
.trace__row{display:grid;grid-template-columns:3.875rem 1fr auto;gap:0.75rem;align-items:center;padding:0.75rem 0;border-bottom:1px solid var(--line)}
.trace__t{font-family:var(--font-mono);font-size:0.8125rem;color:var(--dim);text-align:right}
.trace__row h4{font-size:0.9375rem;margin-bottom:2px}
.trace__row p{font-size:0.8125rem;color:var(--muted);line-height:1.4}
.pill{font-family:var(--font-mono);font-size:0.6875rem;letter-spacing:.06em;padding:0.1875rem 0.625rem;border-radius:62.4375rem;border:1px solid var(--line-2);color:var(--muted);white-space:nowrap}
.pill--llm{border-color:var(--accent);color:var(--accent)}
.trace__total{display:flex;align-items:baseline;gap:0.875rem;padding-top:1rem;color:var(--muted);font-size:0.875rem}
.trace__total strong{font-size:1.625rem;color:var(--accent);letter-spacing:-.02em;white-space:nowrap}
.trace + .trace{margin-top:1.25rem}
/* Chat replay (CT examples): pending → active → done states, set by chat-replay.js */
.chat__a{position:relative}
.is-replaying .trace__row,.is-replaying .trace__total,.is-replaying .chat__a>*{transition:opacity .45s ease,transform .45s ease}
.is-replaying .is-pending{opacity:0;transform:translateY(0.375rem)}
.chat__a.is-waiting{border-style:dashed;border-color:var(--line-2)}
.chat__thinking{position:absolute;left:1.125rem;right:1.125rem;top:1rem;display:none;align-items:center;gap:0.625rem;font:500 0.75rem/1.5 var(--font-mono);color:var(--muted)}
.chat__thinking.is-on{display:flex;opacity:1;transform:none}
.chat__dots{display:inline-flex;gap:0.25rem;flex:none}
.chat__dots i{width:0.375rem;height:0.375rem;border-radius:50%;background:var(--accent);animation:chat-dot 1s infinite ease-in-out}
.chat__dots i:nth-child(2){animation-delay:.15s}
.chat__dots i:nth-child(3){animation-delay:.3s}
@keyframes chat-dot{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-0.1875rem)}}
.chat__q.is-typing [aria-hidden]::after{content:'';display:inline-block;width:2px;height:1.1em;margin-left:2px;vertical-align:text-bottom;background:var(--accent);animation:chat-caret 1s steps(1) infinite}
@keyframes chat-caret{50%{opacity:0}}
.trace__row.is-active .trace__t{color:var(--accent)}
.trace__row.is-active h4::before{content:'';display:inline-block;width:0.4375rem;height:0.4375rem;margin-right:0.5rem;border-radius:50%;vertical-align:middle;background:var(--accent);box-shadow:0 0 0.5rem var(--accent);animation:chat-dot 1s infinite ease-in-out}
.chat__replay{margin-left:auto;font:600 0.75rem var(--font-label);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);background:none;border:1px solid var(--line-2);border-radius:62.4375rem;padding:0.25rem 0.75rem;cursor:pointer}
.chat__replay:hover{color:var(--text);border-color:var(--accent-line)}

/* Spoken question and answer: an illustrative, click-to-play exchange. */
.voice-demo{gap:1.125rem}
.voice-demo .chat__label{flex-wrap:wrap}
.voice-demo__input{display:flex;align-items:center;gap:0.875rem;padding:1rem;border:1px solid var(--line-2);border-radius:0.75rem;background:var(--surface-2)}
.voice-demo__icon{display:grid;place-items:center;flex:none;width:2.75rem;height:2.75rem;border:1px solid var(--accent-line);border-radius:50%;color:var(--accent);background:var(--accent-soft)}
.voice-demo__icon svg{width:1.375rem;height:1.375rem}
.voice-demo__input strong{display:block;font-size:0.9375rem}
.voice-demo__input span:not(.voice-demo__icon){display:block;color:var(--muted);font-size:0.8125rem}
.voice-demo__wave{display:flex;align-items:center;justify-content:center;gap:0.25rem;margin-left:auto;height:2rem;min-width:4rem;color:var(--dim)}
.voice-demo__wave i{width:0.1875rem;height:35%;background:currentColor;border-radius:1rem;transform-origin:center}
.voice-demo__wave i:nth-child(3n){height:85%;animation-delay:-.4s}
.voice-demo__wave i:nth-child(3n + 1){height:55%;animation-delay:-.2s}
.voice-demo__caption{display:block;margin-bottom:0.5rem;font:500 0.6875rem/1.5 var(--font-mono);letter-spacing:.055em;text-transform:uppercase;color:var(--muted)}
.voice-demo__answer-label{display:flex;align-items:center;gap:0.5rem;color:var(--accent)}
.voice-demo__answer-label svg{width:1.125rem;height:1.125rem;flex:none}
.voice-demo__controls{display:flex;align-items:center;flex-wrap:wrap;gap:0.875rem}
.voice-demo__status{flex:1 1 13rem;font-size:0.8125rem;color:var(--muted)}
.voice-demo__note{font-size:0.75rem!important;color:var(--dim)!important;margin:0!important}
.voice-demo audio{width:100%;max-width:100%}
.voice-demo[data-voice-phase="question"] .voice-demo__input,.voice-demo[data-voice-phase="answer"] .chat__a{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-line)}
.voice-demo[data-voice-phase="question"] .voice-demo__wave,.voice-demo[data-voice-phase="answer"] .voice-demo__wave{color:var(--accent)}
.voice-demo[data-voice-phase="question"] .voice-demo__wave i,.voice-demo[data-voice-phase="answer"] .voice-demo__wave i{animation:voice-wave .8s ease-in-out infinite alternate}
@keyframes voice-wave{from{transform:scaleY(.45)}to{transform:scaleY(1.1)}}
@media(prefers-reduced-motion:reduce){.voice-demo__wave i{animation:none!important}}
@media(max-width:480px){.voice-demo .chat__q{max-width:100%}.voice-demo__controls .btn{width:100%}.voice-demo__input{gap:0.625rem;padding:0.75rem}.voice-demo__wave{min-width:3rem}}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:0.9375rem}
th,td{text-align:left;padding:1rem 1.25rem;vertical-align:top;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
th{font-family:var(--font-label);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:0.8125rem;color:var(--muted);background:var(--surface-2)}
.agents-table td:first-child{width:36%}.agents-table .badge{margin:0.25rem 0 0 0.25rem;font-size:0.625rem;vertical-align:middle}.agent--soon td{border-top:1px dashed var(--line-2)}
td strong{display:block;margin-bottom:2px}
td .muted{font-size:0.875rem}
.reads-finds td:last-child strong{color:var(--accent)}

/* ---------- integrations ---------- */
.integrations{display:grid;grid-template-columns:repeat(auto-fill,minmax(12.5rem,1fr));gap:0.75rem}
.integration{border:1px solid #3fbf6a66;background:var(--ok-soft);border-radius:var(--radius-sm);padding:1.125rem}
.integration--pilot{border:1px dashed #3fbf6a80;background:transparent}
.integration h3{font-size:1rem;margin-bottom:0.375rem}
.integration p{font-size:0.875rem;color:var(--muted);line-height:1.45;margin-bottom:0.75rem}
.integration .badge{font-size:0.6875rem}
.integrations-legend{display:flex;flex-wrap:wrap;gap:1.25rem;margin-top:1rem;font-size:0.875rem;color:var(--muted)}
.integrations-legend span{display:inline-flex;align-items:center;gap:0.5rem}
.integrations-legend span::before{content:'';width:1.625rem;height:0;border-top:2px solid var(--ok)}
.integrations-legend span.pilot::before{border-top-style:dashed}
.strap{display:flex;flex-wrap:wrap;align-items:center;gap:0.625rem 1.125rem;padding:1.125rem 1.375rem;border:1px solid var(--accent-line);background:var(--accent-soft);border-radius:var(--radius);margin-bottom:0.75rem}
.strap .brand{font-size:1.125rem}

/* ---------- checklist ---------- */
.checklist{list-style:none;display:grid;gap:0.75rem}
.checklist li{position:relative;padding-left:2rem;color:var(--muted)}
.checklist li strong{color:var(--text)}
.checklist li::before{content:'';position:absolute;left:0;top:0.25rem;width:1.25rem;height:1.25rem;border-radius:50%;border:1.5px solid var(--ok);background:radial-gradient(circle,var(--ok) 0 0.1875rem,transparent 0.2188rem)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:0.625rem}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 1.375rem}
.faq summary{cursor:pointer;list-style:none;padding:1.125rem 2rem 1.125rem 0;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.375rem;color:var(--accent);font-weight:400}
.faq details[open] summary::after{content:'−'}
.faq details p{color:var(--muted);padding-bottom:1.125rem;margin:0}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;isolation:isolate;border:1px solid var(--accent-line);border-radius:calc(var(--radius) + 0.375rem);padding:clamp(2.25rem,6vw,4.5rem);background:radial-gradient(43.75rem 18.75rem at 100% 0%,#ff704a33,transparent 70%),var(--surface)}
.cta-band h2{max-width:45rem;margin-bottom:1rem}
.cta-band .lead{max-width:40rem;margin-bottom:1.875rem}
.cta-band__mark{position:absolute;right:-1.875rem;bottom:-2.5rem;width:16.25rem;height:16.25rem;color:#ff704a14;z-index:-1}

/* ---------- team ---------- */
.founder{display:flex;flex-direction:column;gap:1rem}
.founder .ph-box{min-height:13.75rem;aspect-ratio:4/3.2}
.founder__photo{width:100%;max-width:16.25rem;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface)}
.founder h3{font-size:1.25rem}
.founder .role{color:var(--accent);font-size:0.9375rem;font-weight:500}
.values{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.story{font-size:clamp(1.125rem,1.5vw,1.25rem);line-height:1.75;color:#d8d8d2}
.story p{margin-bottom:1.2em}
.story p:first-child::first-line{color:var(--text)}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0.75rem}
.fact{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.125rem}
.fact dt{font-family:var(--font-label);letter-spacing:.14em;text-transform:uppercase;color:var(--dim);font-size:0.75rem;margin-bottom:0.5rem}
.fact dd{margin:0;font-weight:600}

/* ---------- forms ---------- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:1rem 1.125rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.375rem,3vw,2.125rem)}
.form .full{grid-column:1/-1}
.field{display:grid;gap:0.4375rem}
.field label{font-size:0.875rem;font-weight:600}
.field label .req{color:var(--accent)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:1rem;color:var(--text);background:var(--bg);border:1px solid var(--line-2);border-radius:0.625rem;padding:0.75rem 0.875rem;min-height:3rem}
.field textarea{min-height:7.5rem;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 0.1875rem var(--accent-soft)}
.form-note{font-size:0.875rem;color:var(--muted)}
.form-note a{color:var(--text);text-decoration:underline;text-underline-offset:0.1875rem}
.form-actions{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}
.form-status{border-radius:var(--radius-sm);padding:0.875rem 1rem;background:var(--ok-soft);border:1px solid #3fbf6a66;font-size:0.9375rem}
.form-status strong{display:block;margin-bottom:0.25rem}
.form-status--error{background:var(--accent-soft);border-color:var(--accent-line)}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}

/* ---------- video placeholder & product shot ---------- */
.video-frame{aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#000;position:relative}
.video-frame video{display:block;width:100%;height:100%;object-fit:contain;background:#000}
.video-frame .ph-box{height:100%;border-radius:0;border:0}
.media-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;position:relative}
.media-card video,.media-card img{width:100%;height:100%;object-fit:cover}

/* ---------- network diagram (CT hero) ---------- */
.netdiag{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.125rem}
.netdiag svg{width:100%;height:auto}
.netdiag text{font-family:var(--font-mono);font-size:11px;fill:var(--muted)}
.netdiag .bus-label{font-family:var(--font);font-weight:600;letter-spacing:.12em;fill:#d8d8d2;font-size:12px}
.netdiag .hot{fill:var(--accent)}

/* ---------- prose (legal) ---------- */
.prose h2{font-size:1.625rem;margin:2.75rem 0 0.875rem}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:var(--muted)}
.prose ul{padding-left:1.25rem;display:grid;gap:0.375rem}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:4rem 0 1.75rem;background:var(--bg-2);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:2rem}
.footer-grid a:not(.btn):not(.brand){display:block;color:var(--muted);font-size:0.9375rem;padding:0.3125rem 0}
.footer-grid a:not(.btn):not(.brand):hover{color:var(--text)}
.footer-brand p{color:var(--muted);font-size:0.9375rem;margin:1rem 0 1.25rem}
.footer-title{font-family:var(--font-label);font-size:0.8125rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:0.75rem;font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:0.75rem;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--line);font-size:0.875rem;color:var(--dim)}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(1.125rem);transition:opacity .7s ease,transform .7s ease}
.js .reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .main-nav,.link-quiet{display:none}
  .menu-toggle{display:inline-flex}
  .handoffs{grid-template-columns:repeat(4,minmax(0,1fr))}
  .flow{grid-template-columns:repeat(3,minmax(0,1fr))}
  .flow__step::after{display:none}
  .footer-grid{grid-template-columns:repeat(3,1fr)}
  .footer-brand{grid-column:1/-1}
  .values{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-block{grid-template-columns:1fr}
}
@media (max-width:860px){
  body{font-size:1rem}
  .grid-3,.grid-4,.steps,.night{grid-template-columns:1fr}
  .grid-2,.split,.hero-split,.vcycle,.example{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{min-height:auto;padding:4.5rem 0 3.5rem}
  .hero__media::after{background:linear-gradient(180deg,#10121199 0%,#101211e6 55%,var(--bg))}
}
@media (max-width:640px){
  .header-actions .btn--sm{display:none}
  .handoffs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .handoff{min-height:0}
  .flow{grid-template-columns:1fr}
  .feature-list{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .values{grid-template-columns:1fr}
  .trace__row{grid-template-columns:3.25rem 1fr}
  .trace__row .pill{grid-column:2;justify-self:start}
  th,td{padding:0.75rem 0.875rem}
  .btn-row .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}

/* Agent relay animation (How it works) */
.agent-flow-section{overflow:hidden}
.cinematic-page .agent-flow-section{background:radial-gradient(ellipse 60% 55% at 35% 55%,#ff704a12,transparent 70%),#0d0f0ee6}
.agent-flow{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(18.75rem,1fr);gap:1rem}
.agent-flow__stage{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:radial-gradient(ellipse at 50% 45%,#1c1e1d,#0b0c0c 75%)}
.agent-flow__canvas{display:block;width:100%;aspect-ratio:16/11}
.agent-flow__toggle{position:absolute;top:0.875rem;right:0.875rem;font:600 0.75rem var(--font-label);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);background:#0b0c0ccc;border:1px solid var(--line-2);border-radius:62.4375rem;padding:0.4375rem 0.875rem;cursor:pointer}
.agent-flow__toggle:hover{color:var(--text);border-color:var(--accent-line)}
.agent-flow__case{height:0;min-height:100%;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);background:#0b0c0c;overflow:hidden}
.agent-flow__case-head{display:flex;justify-content:space-between;gap:0.75rem;padding:0.875rem 1.125rem;border-bottom:1px solid var(--line);font:600 0.75rem var(--font-label);letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.agent-flow__case-head span:last-child{font:500 0.75rem var(--font-mono);letter-spacing:0;text-transform:none;color:var(--accent)}
.agent-flow__log{position:relative;list-style:none;flex:1;min-height:0;overflow-y:auto;padding:0.375rem 0;scrollbar-width:thin}
.agent-flow__log>li{position:relative;padding:0.625rem 1.125rem 0.625rem 1.25rem;transition:opacity .3s,background .3s}
.agent-flow__log>li::before{content:'';position:absolute;left:0;top:0;width:2px;height:calc(var(--p,0)*100%);background:var(--accent)}
.agent-flow__log button{display:flex;align-items:center;flex-wrap:wrap;gap:0.625rem;width:100%;padding:0;background:none;border:0;color:var(--muted);font:600 0.875rem/1.35 var(--font);text-align:left;cursor:pointer}
.agent-flow__log button:hover{color:var(--text)}
.agent-flow__log .badge{font-size:0.625rem;padding:1px 0.4375rem}
.agent-flow__num{font:500 0.6875rem var(--font-mono);color:var(--dim)}
.agent-flow__log p{margin-top:0.375rem;color:var(--muted);font-size:0.875rem;line-height:1.5}
.agent-flow__log ul{list-style:none;margin-top:0.375rem;display:grid;gap:0.1875rem;font:500 0.75rem/1.45 var(--font-mono);color:var(--text)}
.agent-flow__log ul li{padding-left:0.875rem;position:relative}
.agent-flow__log ul li::before{content:'';position:absolute;left:2px;top:.6em;width:0.3125rem;height:0.3125rem;border-radius:50%;background:var(--accent)}
.agent-flow.is-ready .agent-flow__log>li{opacity:.45}
.agent-flow.is-ready .agent-flow__log>li p,.agent-flow.is-ready .agent-flow__log>li ul{display:none}
.agent-flow.is-ready .agent-flow__log>li.is-done{opacity:1}
.agent-flow.is-ready .agent-flow__log>li.is-done ul{display:grid;color:var(--muted)}
.agent-flow.is-ready .agent-flow__log>li.is-done ul li::before{background:var(--dim)}
.agent-flow.is-ready .agent-flow__log>li.is-current{opacity:1;background:linear-gradient(90deg,#ff704a17,transparent 85%)}
.agent-flow.is-ready .agent-flow__log>li.is-current p{display:block}
.agent-flow.is-ready .agent-flow__log>li.is-current ul{display:grid}
.agent-flow__log>li.is-current button{color:var(--text)}
.agent-flow__log>li.is-current .agent-flow__num{color:var(--accent)}
.agent-flow__loop{padding:0.75rem 1.125rem;border-top:1px solid var(--line);font-size:0.8125rem;color:var(--dim)}
@media (max-width:900px){
  .agent-flow{grid-template-columns:1fr}
  .agent-flow__canvas{aspect-ratio:1/1}
  .agent-flow__case{height:auto;min-height:0}
}

/* Product icons: CT = ECU, Fleet = the store that collects vehicles and ECUs, Test Drive = vehicle (product-icons.svg) */
.tier-ct{--tier:#ff704a}.tier-fl{--tier:#d8d8d2}.tier-td{--tier:#a9aaa6}
.product-icon{display:grid;place-items:center;width:3rem;height:3rem;margin-bottom:1.25rem;border:1px solid color-mix(in srgb,var(--tier,#a9aaa6) 38%,transparent);border-radius:0.75rem;background:color-mix(in srgb,var(--tier,#a9aaa6) 9%,transparent);color:var(--tier,#a9aaa6)}
.product-icon svg{width:1.75rem;height:1.75rem}

/* Enterprise flow animation (Products): one issue travels from Test Drive through Fleet to the ECU's CT, and the fix travels back.
   enterprise-flow.js sets data-step (the current step) and is-s0…is-s9 (every step reached so far). */
@property --ent-p{syntax:'<number>';inherits:false;initial-value:0}
.ent-section{overflow:hidden}
.cinematic-page .section.ent-section{background:radial-gradient(ellipse 60% 50% at 50% 55%,#ff704a0f,transparent 70%),#0d0f0ee6}
.ent{margin:0}
.ent__fit{overflow:hidden}
.ent__frame{transform-origin:top center}
.ent__stage{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 5rem minmax(0,1.15fr) 5rem minmax(0,1.3fr);grid-template-areas:"hct . hfl . htd" "ct lct fl ltd td";gap:1.5rem 0.75rem;padding:1.75rem 2rem 2.75rem;border:1px solid var(--line);border-radius:var(--radius) var(--radius) 0 0;background:radial-gradient(ellipse at 50% 40%,#1c1e1d,#0b0c0c 75%);overflow:hidden}
.ent__coord{position:absolute;right:1.5rem;bottom:1rem;margin:0;font:0.625rem var(--font-mono);letter-spacing:.15em;text-transform:uppercase;color:var(--dim)}
.ent-stack{display:grid}.ent-stack>*{grid-area:1/1}
.ent-hot{color:var(--accent-2)}.ent-good{color:var(--ok)}

/* build-up and step visibility */
.ent.is-ready .ent-b{opacity:0;transform:translateY(0.75rem);transition:opacity .6s ease,transform .6s ease}
.ent.is-s0 .ent-b{opacity:1;transform:none;transition-delay:var(--d,0s)}
.ent.is-ready [data-show]{transition:opacity .45s ease}
.ent.is-ready [data-show]:not(.is-on){opacity:0}
.ent.is-paused *,.ent.is-paused *::after{animation-play-state:paused!important}
.ent.is-jump *,.ent.is-jump *::after{transition:none!important}

/* tier headers */
.ent-head{display:grid;grid-template-columns:auto auto;justify-content:center;align-items:center;column-gap:0.875rem;text-align:left}
.ent-head--ct{grid-area:hct}.ent-head--fl{grid-area:hfl}.ent-head--td{grid-area:htd}
.ent-head .product-icon{grid-row:span 3;margin:0}
.ent-head strong{font:600 1.0625rem/1.2 var(--font-label);letter-spacing:.14em;text-transform:uppercase;color:var(--tier)}
.ent-head__sub{font-size:0.875rem;color:var(--muted)}
.ent-head__tag{font-size:0.9375rem;font-weight:600;color:var(--text)}
.ent-col{display:flex;flex-direction:column;gap:0.75rem;min-width:0}
.ent-col--ct{grid-area:ct}.ent-col--fl{grid-area:fl;align-items:center;text-align:center}.ent-col--td{grid-area:td}

/* CT: one card per ECU */
.ent-cts{list-style:none;display:grid;gap:0.5rem}
.ent-ct{display:grid;grid-template-columns:1.375rem minmax(0,1fr);align-items:center;gap:0.125rem 0.75rem;padding:0.5625rem 0.75rem;border:1px solid var(--line);border-radius:0.625rem;background:#161716;transition:border-color .5s ease,background-color .5s ease,box-shadow .5s ease}
.ent-ct>svg{grid-row:span 2;width:1.375rem;height:1.375rem;color:var(--accent)}
.ent-ct strong{font-size:0.875rem;font-weight:600;line-height:1.3;overflow-wrap:anywhere}
.ent-net{justify-self:start;font:600 0.625rem/1 var(--font-label);letter-spacing:.14em;text-transform:uppercase;color:var(--dim);padding:0.25rem 0.5rem;border:1px dashed var(--line-2);border-radius:62rem;white-space:nowrap}
.ent-net--oem{border-style:solid}
.ent-ct__more{grid-column:1/-1}
.ent-facets{list-style:none;display:flex;flex-wrap:wrap;gap:0.25rem;padding-top:0.625rem}
.ent-facets li{font:500 0.625rem/1 var(--font-mono);padding:0.25rem 0.375rem;border:1px solid var(--line);border-radius:0.25rem;color:var(--dim);transition:color .3s,border-color .3s,background-color .3s}
.ent-result{display:grid;gap:0.125rem;margin:0.625rem 0 0.125rem;font:500 0.75rem/1.5 var(--font-mono)}
.ent-result div{display:flex;justify-content:space-between;gap:0.75rem;opacity:0;transform:translateY(0.25rem);transition:opacity .4s,transform .4s}
.ent-result dt{color:var(--muted)}.ent-result dd{margin:0;color:var(--text)}
.ent.is-s6 .ent-ct--gw{border-color:var(--accent);background:#24160f;box-shadow:0 0 1.5rem #ff704a2e;transition-delay:1.8s}
.ent.is-s7 .ent-facets li{color:var(--accent-2);border-color:var(--accent-line);background:var(--accent-soft);transition-delay:calc(.5s + var(--i)*.22s)}
.ent.is-s7 .ent-result div{opacity:1;transform:none;transition-delay:calc(2.5s + var(--i)*.45s)}
.ent.is-s9 .ent-ct--gw{border-color:var(--ok);background:#122017;box-shadow:0 0 1.5rem #3fbf6a26;transition-delay:.6s}
.ent.is-s8 .ent-result div:last-child dd{color:var(--ok)}

/* lanes between the tiers: the issue travels toward CT, the fix toward the vehicles */
.ent-lane{position:relative;align-self:start;height:13rem;display:flex;flex-direction:column;justify-content:center;gap:3.25rem}
.ent-lane--ct{grid-area:lct}.ent-lane--td{grid-area:ltd}
.ent-track{position:relative;height:2px;background:#ffffff1f}
.ent-track--issue{color:var(--accent)}.ent-track--fix{color:var(--ok)}
.ent-track__fill{position:absolute;inset:0;background:currentColor;transform:scaleX(0);transition:transform 1.5s ease-in-out}
.ent-track--issue .ent-track__fill{transform-origin:right}.ent-track--fix .ent-track__fill{transform-origin:left}
.ent-track::after{content:'';position:absolute;top:50%;width:0.5rem;height:0.625rem;margin-top:-0.3125rem;background:currentColor;opacity:.3;transition:opacity .3s}
.ent-track--issue::after{left:-0.375rem;clip-path:polygon(100% 0,0 50%,100% 100%)}
.ent-track--fix::after{right:-0.375rem;clip-path:polygon(0 0,100% 50%,0 100%)}
.ent-track__label{position:absolute;left:50%;transform:translateX(-50%);font:600 0.6875rem/1 var(--font-label);letter-spacing:.16em;text-transform:uppercase;white-space:nowrap}
.ent-track--issue .ent-track__label{bottom:0.75rem}.ent-track--fix .ent-track__label{top:0.75rem}
.ent-pkt{position:absolute;top:50%;left:calc(var(--ent-p)*100%);width:0.625rem;height:0.625rem;margin:-0.3125rem 0 0 -0.3125rem;border-radius:50%;background:currentColor;box-shadow:0 0 0.875rem currentColor;opacity:0}
.ent-wall{position:absolute;left:50%;top:calc(50% - 2.375rem);height:4.75rem;border-left:1px dashed #ffffff40}
.ent-lock{position:absolute;left:50%;top:50%;display:grid;place-items:center;width:1.75rem;height:1.75rem;margin:-0.875rem 0 0 -0.875rem;border:1px solid var(--line-2);border-radius:50%;background:#0b0c0c;color:var(--dim);transition:color .3s,border-color .3s,box-shadow .3s}
.ent-lock svg{width:0.875rem;height:0.875rem;fill:none;stroke:currentColor;stroke-width:1.4}
@keyframes ent-to-ct{0%{--ent-p:1;opacity:0}12%,88%{opacity:1}100%{--ent-p:0;opacity:0}}
@keyframes ent-to-td{0%{--ent-p:0;opacity:0}12%,88%{opacity:1}100%{--ent-p:1;opacity:0}}
@keyframes ent-ping{0%{--ent-p:1;opacity:0}8%,92%{opacity:1}50%{--ent-p:0}100%{--ent-p:1;opacity:0}}
@keyframes ent-seal{50%{transform:scale(1.3)}}
.ent[data-step="4"] .ent-lane--td .ent-track--issue .ent-pkt{animation:ent-ping 2.4s ease-in-out .3s both}
.ent[data-step="5"] .ent-lane--td .ent-track--issue .ent-pkt,.ent[data-step="6"] .ent-lane--ct .ent-track--issue .ent-pkt{animation:ent-to-ct 1.5s ease-in-out .4s both}
.ent[data-step="8"] .ent-lane--ct .ent-track--fix .ent-pkt{animation:ent-to-td 1.5s ease-in-out .4s both}
.ent[data-step="8"] .ent-lane--td .ent-track--fix .ent-pkt{animation:ent-to-td 1.5s ease-in-out 2s both}
.ent.is-s5 .ent-lane--td .ent-track--issue .ent-track__fill,.ent.is-s6 .ent-lane--ct .ent-track--issue .ent-track__fill,.ent.is-s8 .ent-lane--ct .ent-track--fix .ent-track__fill{transform:none;transition-delay:.4s}
.ent.is-s8 .ent-lane--td .ent-track--fix .ent-track__fill{transform:none;transition-delay:2s}
.ent.is-s5 .ent-lane--td .ent-track--issue::after,.ent.is-s6 .ent-lane--ct .ent-track--issue::after,.ent.is-s8 .ent-lane--ct .ent-track--fix::after{opacity:1;transition-delay:1.8s}
.ent.is-s8 .ent-lane--td .ent-track--fix::after{opacity:1;transition-delay:3.4s}
.ent.is-s6 .ent-lock{color:var(--accent);border-color:var(--accent);box-shadow:0 0 1rem #ff704a55;transition-delay:1.1s}
.ent.is-s8 .ent-lock{color:var(--ok);border-color:var(--ok);box-shadow:0 0 1rem #3fbf6a55;transition-delay:1.1s}
.ent[data-step="6"] .ent-lock,.ent[data-step="8"] .ent-lock{animation:ent-seal .5s ease-out 1.1s both}

/* Fleet: one hub per platform */
.ent-hub{position:relative;flex:none;width:13rem;height:13rem;border:1px solid var(--line-2);border-radius:50%;transition:border-color .5s,box-shadow .5s}
.ent-hub::before{content:'';position:absolute;inset:0;border:1px dashed #ffffff14;border-radius:50%;transform:translate(0.875rem,-0.75rem)}
.ent-hub .product-orbit{position:absolute;inset:0;height:auto}
.ent-hub .product-orbit i{width:66%;height:66%}.ent-hub .product-orbit i:nth-child(2){width:78%;height:78%}.ent-hub .product-orbit i:nth-child(3){width:90%;height:90%}
.ent-hub .product-orbit b svg{width:3rem;height:3rem}
.ent[data-step="4"] .ent-hub,.ent[data-step="5"] .ent-hub,.ent[data-step="6"] .ent-hub{border-color:#ff704a80;box-shadow:0 0 2.5rem #ff704a1f}
.ent[data-step="8"] .ent-hub{border-color:#3fbf6a80;box-shadow:0 0 2.5rem #3fbf6a1f}
.ent-hub__name{margin:0;font:600 0.75rem var(--font-label);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.ent-reads{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:0.375rem}
.ent-reads li{font-size:0.75rem;color:var(--muted);padding:0.1875rem 0.625rem;border:1px solid var(--line-2);border-radius:62rem}
.ent-reads__note{margin:0!important;font-size:0.75rem;line-height:1.4;color:var(--dim)}
.ent-issue,.ent-release{width:100%;text-align:left;padding:0.75rem 0.875rem;border:1px solid var(--line-2);border-radius:0.625rem;background:#161716}
.ent.is-ready .ent-issue,.ent.is-ready .ent-release{transition:opacity .5s ease,transform .5s ease,border-color .5s ease}
.ent.is-ready .ent-issue:not(.is-on),.ent.is-ready .ent-release:not(.is-on){transform:translateY(0.5rem)}
.ent.is-ready .ent-issue.is-on{transition-delay:1.7s}
.ent-issue{display:grid;gap:0.25rem}
.ent-issue__top,.ent-release__top{display:flex;justify-content:space-between;gap:0.75rem;font:500 0.75rem var(--font-mono);text-transform:uppercase;color:var(--accent-2)}
.ent-issue__top code,.ent-release__top code{font-size:1em;text-transform:none}
.ent-issue strong{font-size:0.9375rem}
.ent-issue__meta,.ent-issue__route{font:500 0.6875rem/1.5 var(--font-mono);color:var(--muted)}
.ent-issue__route{color:var(--accent-2)}
.ent.is-s5 .ent-issue{border-color:#ff704a80}
.ent.is-s9 .ent-issue{border-color:#3fbf6a80}
.ent.is-s9 .ent-issue__top{color:var(--ok)}
.ent-release{display:grid;gap:0.5rem;border-color:#3fbf6a66}
.ent.is-ready .ent-release.is-on{transition-delay:1.6s}
.ent-release__top{color:var(--ok)}
.ent-release__bar{display:block;height:0.25rem;border-radius:1rem;background:#ffffff14;overflow:hidden}
.ent-release__bar b{display:block;height:100%;background:var(--ok);transform:scaleX(0);transform-origin:left;transition:transform 1.8s ease-in-out}
.ent.is-s8 .ent-release__bar b{transform:none;transition-delay:2s}

/* Test Drive: voice panel and the cars */
.ent-voice{position:relative;padding:0.875rem 1rem 1rem;margin-bottom:0.5rem;border:1px solid var(--line-2);border-radius:0.75rem;background:#121312;transition:border-color .4s,box-shadow .4s}
.ent-voice::after{content:'';position:absolute;left:22%;bottom:-0.4375rem;width:0.75rem;height:0.75rem;background:#121312;border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);transform:rotate(45deg)}
.ent-voice[data-speaker]{border-color:var(--accent-line);box-shadow:0 0 1.5rem #ff704a1a}
.ent-voice__head{display:flex;align-items:center;justify-content:space-between;gap:0.75rem;margin-bottom:0.625rem;font:600 0.6875rem var(--font-label);letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.ent-wave{display:flex;align-items:center;gap:0.1875rem;height:1.25rem;color:var(--dim)}
.ent-wave i{width:0.1875rem;height:35%;border-radius:1rem;background:currentColor}
.ent-wave i:nth-child(3n){height:80%;animation-delay:-.35s}.ent-wave i:nth-child(3n+1){height:55%;animation-delay:-.15s}.ent-wave i:nth-child(4n){animation-duration:.5s}
.ent-voice[data-speaker] .ent-wave i{animation:ent-wave .7s ease-in-out infinite alternate}
.ent-voice[data-speaker="td"] .ent-wave{color:var(--accent)}.ent-voice[data-speaker="driver"] .ent-wave{color:#d8d8d2}
@keyframes ent-wave{from{transform:scaleY(.35)}to{transform:scaleY(1.15)}}
.ent-voice__log{list-style:none;display:grid;gap:0.5rem}
.ent-line{display:grid;gap:0.125rem;font-size:0.8125rem;line-height:1.45;transition:opacity .3s}
.ent.is-ready .ent-line:not(.is-on){opacity:0}
.ent-line b{font:600 0.625rem var(--font-label);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-2)}
.ent-line--driver{padding-left:0.75rem;border-left:2px solid #d8d8d244}
.ent-line--driver b{color:#d8d8d2}
.ent-say{display:grid}.ent-say>span{grid-area:1/1}
.ent-say__ghost{visibility:hidden}
.ent-say__typed{color:#e9e9e3}
.ent-repro{margin:0.75rem 0 0!important;padding:0.5rem 0.625rem;border:1px dashed #ff704a80;border-radius:0.5rem;font:500 0.6875rem/1.5 var(--font-mono);color:var(--muted)}
.ent-repro b{margin-right:0.5rem;color:var(--accent-2);font-weight:600}
.ent-cars{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0.75rem 0.875rem}
.ent-car svg{width:100%;height:auto;overflow:visible}
.ent-car__wheel{fill:none;stroke:#ffffff2e;stroke-width:4;stroke-linecap:round}
.ent-car__body{fill:#151615;stroke:#ffffff45;stroke-width:1.25;transition:stroke .5s}
.ent-car--off .ent-car__body{stroke-dasharray:4 4}
.ent-car__cabin{fill:none;stroke:#ffffff1f}
.ent-car__bus{fill:none;stroke:#ffffff2b;stroke-width:1;transition:stroke .4s}
.ent-car__ecus{fill:var(--muted)}
.ent-car__gw{fill:var(--muted);transition:fill .4s}
.ent-car__ring{fill:none;stroke:var(--accent);stroke-width:1.5;opacity:0;transform-box:fill-box;transform-origin:center}
.ent-car__ring.is-on{animation:ent-ring 1.6s ease-out infinite}
.ent-car--hit .ent-car__ring.is-on{animation-delay:1.4s}
@keyframes ent-ring{from{opacity:.95;transform:scale(.35)}to{opacity:0;transform:scale(1.5)}}
@keyframes ent-dash{to{stroke-dashoffset:-16}}
.ent-car__ok{opacity:0;transform-box:fill-box;transform-origin:center;transform:scale(.5);transition:opacity .35s ease,transform .35s cubic-bezier(.3,1.6,.5,1)}
.ent-car__ok circle{fill:#0f1f15;stroke:var(--ok);stroke-width:1.5}
.ent-car__ok path{fill:none;stroke:var(--ok);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ent[data-step="1"] .ent-car__bus{stroke:var(--muted);stroke-dasharray:3 5;animation:ent-dash .9s linear infinite}
.ent.is-s1 .ent-car--v03 .ent-car__body,.ent.is-s4 .ent-car--hit .ent-car__body{stroke:var(--accent)}
.ent.is-s1 .ent-car--v03 .ent-car__gw,.ent.is-s4 .ent-car--hit .ent-car__gw{fill:var(--accent)}
.ent.is-s4 .ent-car--hit .ent-car__body,.ent.is-s4 .ent-car--hit .ent-car__gw{transition-delay:1.4s}
.ent[data-step="8"] .ent-car:not(.ent-car--off) .ent-car__bus{stroke:var(--ok);stroke-dasharray:3 5;animation:ent-dash .9s linear 3.5s infinite;transition-delay:3.5s}
.ent.is-s8 .ent-car:not(.ent-car--off) .ent-car__body{stroke:var(--ok);transition-delay:3.5s}
.ent.is-s8 .ent-car:not(.ent-car--off) .ent-car__gw{fill:var(--ok);transition-delay:3.5s}
.ent.is-s9 .ent-car .ent-car__body{stroke:var(--ok)}
.ent.is-s9 .ent-car .ent-car__gw{fill:var(--ok)}
.ent.is-s9 .ent-car__ok{opacity:1;transform:none;transition-delay:calc(.3s + var(--i)*.2s)}
.ent-car__label{display:flex;align-items:baseline;gap:0.5rem;margin:0.375rem 0 0!important;font-size:0.75rem;line-height:1.35;color:var(--muted)}
.ent-car__label code{flex:none;white-space:nowrap;font:500 0.6875rem var(--font-mono);color:var(--text)}

/* caption, controls and step bar */
.ent__bar{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"steps steps" "cap ctrl";align-items:center;gap:0.375rem 1.5rem;padding:0.5rem 1.5rem 1rem;border:1px solid var(--line);border-top:0;border-radius:0 0 var(--radius) var(--radius);background:#0b0c0cf2}
.ent-steps{grid-area:steps;display:flex;gap:0.25rem}
.ent-steps button{flex:1;padding:0.5rem 0;border:0;background:none;cursor:pointer}
.ent-steps i{display:block;height:0.1875rem;border-radius:1rem;background:#ffffff1c;overflow:hidden;transition:background-color .2s}
.ent-steps b{display:block;height:100%;background:var(--accent);transform:scaleX(var(--k,0));transform-origin:left}
.ent-steps button:nth-child(n+9) b{background:var(--ok)}
.ent-steps button:hover i,.ent-steps button[aria-current] i{background:#ffffff38}
.ent-cap{grid-area:cap;min-width:0}
.ent-cap__title{display:flex;align-items:baseline;gap:0.75rem;margin:0 0 0.125rem!important}
.ent-cap__title span{font:500 0.75rem var(--font-mono);color:var(--accent)}
.ent-cap__title strong{font-size:1.0625rem}
.ent-cap__text{display:grid;margin:0!important;font-size:0.9375rem;line-height:1.5;color:var(--muted)}
.ent-cap__text>span{grid-area:1/1}
.ent-cap__sizer{visibility:hidden}
.ent-ctrl{grid-area:ctrl;display:flex;gap:0.375rem}
.ent-ctrl button{display:grid;place-items:center;width:2.5rem;height:2.5rem;padding:0;border:1px solid var(--line-2);border-radius:50%;background:transparent;color:var(--muted);cursor:pointer;transition:color .2s,border-color .2s}
.ent-ctrl button:hover{color:var(--text);border-color:var(--accent-line)}
.ent-ctrl svg{width:1rem;height:1rem;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ent-ctrl .i-play{fill:currentColor}
.ent-ctrl .is-playing .i-play,.ent-ctrl :not(.is-playing)>.i-pause{display:none}
.ent-ctrl .ent-sound{display:flex;justify-content:center;gap:0.5rem;width:auto;padding:0 0.875rem;border-radius:2rem;font:500 0.8125rem var(--font-body, sans-serif);white-space:nowrap}
.ent-sound[aria-pressed="true"]{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}
.ent-sound[aria-pressed="false"] .ent-sound__waves,.ent-sound[aria-pressed="true"] .ent-sound__slash{display:none}
.ent-sound:disabled{opacity:.5;cursor:wait}
.ent-ctrl button:focus-visible,.ent-steps button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
@media(max-width:640px){.ent__bar{grid-template-areas:"steps steps" "cap cap" "ctrl ctrl"}.ent-ctrl{justify-content:flex-end;margin-top:.5rem}}
.ent__note{margin-top:1rem!important;font-size:0.8125rem;color:var(--dim)}

/* stacked: the vehicles on top, the issue flows down to the ECU's CT */
@media (max-width:960px){
  .ent__stage{grid-template-columns:minmax(0,1fr);grid-template-areas:"htd" "td" "ltd" "hfl" "fl" "lct" "hct" "ct";gap:1rem;padding:1.75rem 1rem 3rem}
  .ent-head{margin-top:0.75rem}
  .ent-col--fl>*:not(.ent-hub){max-width:28rem}
  .ent-hub{width:11rem;height:11rem}
  .ent-hub .product-orbit b svg{width:2.5rem;height:2.5rem}
  .ent-cts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ent-ct--gw{grid-column:1/-1}
  .ent-lane{width:100%;height:5.5rem;flex-direction:row;justify-content:center;align-items:stretch;gap:5rem}
  .ent-track{width:2px;height:auto}
  .ent-track__fill{transform:scaleY(0)}
  .ent-track--issue .ent-track__fill{transform-origin:top}.ent-track--fix .ent-track__fill{transform-origin:bottom}
  .ent-track::after{left:50%;width:0.625rem;height:0.5rem;margin:0 0 0 -0.3125rem}
  .ent-track--issue::after{top:auto;bottom:-0.375rem;clip-path:polygon(0 0,100% 0,50% 100%)}
  .ent-track--fix::after{right:auto;top:-0.375rem;clip-path:polygon(50% 0,100% 100%,0 100%)}
  .ent-track__label{top:50%!important;bottom:auto!important;transform:translateY(-50%)}
  .ent-track--issue .ent-track__label{left:auto;right:0.75rem}.ent-track--fix .ent-track__label{left:0.75rem}
  .ent-pkt{left:50%;top:calc((1 - var(--ent-p))*100%)}
  .ent-wall{left:calc(50% - 3.25rem);top:50%;width:6.5rem;height:0;border-left:0;border-top:1px dashed #ffffff40}
  .ent__coord{left:1rem;right:auto;bottom:1rem}
  .ent__bar{position:sticky;bottom:0;z-index:3;padding:0.375rem 1rem 0.875rem;gap:0.25rem 0.75rem}
  .ent-cap__text{font-size:0.875rem}
}
@media (min-width:600px) and (max-width:960px){.ent-cars{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:520px){
  .ent-cts{grid-template-columns:1fr}
  .ent__bar{grid-template-columns:1fr;grid-template-areas:"steps" "cap" "ctrl"}
  .ent-ctrl{justify-content:center}
}