/* Buildtelligence site styles. One file for every page.
   Themes: dark is the default (html[data-theme=dark]); light via html[data-theme=light].
   Tokens follow the brand guide (see plan section 4). */

@font-face{font-family:'Open Sauce';src:url(/assets/fonts/os-400.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Open Sauce';src:url(/assets/fonts/os-500.woff2) format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'Open Sauce';src:url(/assets/fonts/os-600.woff2) format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'Open Sauce';src:url(/assets/fonts/os-700.woff2) format('woff2');font-weight:700;font-display:swap}

:root{
  --bg:#07111F;--surface:rgba(11,31,51,.6);--surface-solid:#0B1F33;--surface-2:#172434;--hi:rgba(30,107,255,.12);
  --text:#C9D4E1;--heading:#FFFFFF;--muted:#8793A1;--line:rgba(216,224,234,.12);--line-2:rgba(216,224,234,.22);
  --accent:#22A7F0;--accent-line:rgba(34,167,240,.4);--primary:#1E6BFF;--primary-h:#3B7FFF;
  --ok:#18A058;--ok-t:#7FE0AA;--ok-bg:rgba(24,160,88,.12);--warn:#F5A524;--warn-t:#F5A524;--warn-bg:rgba(245,165,36,.12);--risk:#D64545;
  --header:rgba(7,17,31,.86);--shadow:0 20px 50px rgba(0,0,0,.45);--shadow-sm:none;
  --btn-s:rgba(255,255,255,.28);--btn-s-h:#fff;
  --chip-t:#CDEEDC;--chip-l:#7FE0AA;--chip-bg:rgba(24,160,88,.10);--chip-b:rgba(24,160,88,.45);
  --code:#0E2238;
  --wrap:1280px;--gut:40px;--r:16px;
  color-scheme:dark;
}
html[data-theme=light]{
  --bg:#F4F7FB;--surface:#FFFFFF;--surface-solid:#FFFFFF;--surface-2:#EEF4FF;--hi:#EEF4FF;
  --text:#2A3A4C;--heading:#07111F;--muted:#5A6B7C;--line:rgba(11,31,51,.11);--line-2:rgba(11,31,51,.2);
  --accent:#1556D6;--accent-line:rgba(21,86,214,.35);
  --ok-t:#0E6B3A;--ok-bg:#E8F5EE;--warn-t:#8A5A00;--warn-bg:#FFF4DF;
  --header:rgba(244,247,251,.9);--shadow:0 20px 50px rgba(11,31,51,.14);--shadow-sm:0 1px 2px rgba(11,31,51,.05);
  --btn-s:rgba(7,17,31,.25);--btn-s-h:#07111F;
  --chip-t:#0E6B3A;--chip-l:#0E6B3A;--chip-bg:#E8F5EE;--chip-b:rgba(24,160,88,.45);
  --code:#EEF2F7;
  color-scheme:light;
}

/* Reset */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;font-family:'Open Sauce',Inter,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{max-width:100%}img{display:block;height:auto}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
h1,h2,h3,h4{color:var(--heading);font-weight:600;text-wrap:balance}
ul,ol{margin:0;padding:0}
.ic{flex:none}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--primary);color:#fff;padding:10px 16px;border-radius:10px;text-decoration:none;font-weight:600}
.skip:focus{left:16px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
body,.site-header,.card,.sig,.mod,.layer,.pst,.news-card,.menu,.sophbar,.form-shell,.faq details,.tbl{transition:background-color .3s,color .3s,border-color .3s}

/* Layout */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.narrow{max-width:820px}
.grid-bg{background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;background-position:-1px -1px}
.sec{padding:112px 0;border-top:1px solid var(--line)}
.sec.tight{padding:80px 0}
.sec-head{max-width:860px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .sub{margin-left:auto;margin-right:auto}

/* Type */
.eyebrow{display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:14px}
h1{font-size:clamp(40px,5.2vw,70px);line-height:1.05;letter-spacing:-.03em;margin:0 0 22px}
h1 .hl,.h1 .hl{color:var(--accent)}
h2{font-size:clamp(30px,3.6vw,48px);line-height:1.1;letter-spacing:-.024em;margin:0 0 18px}
h3{font-size:21px;line-height:1.3;letter-spacing:-.01em;margin:0 0 10px}
h4{font-size:17px;line-height:1.35;margin:0 0 8px}
.sub,.lead{font-size:19px;color:var(--text);max-width:62ch}
.sub{color:var(--muted);font-size:18px}
.muted{color:var(--muted)}
.prose{max-width:72ch}
.prose>*+*{margin-top:18px}
.prose h2{margin-top:56px;font-size:clamp(26px,2.8vw,36px)}
.prose h3{margin-top:36px}
.prose h2+*,.prose h3+*{margin-top:12px}
.prose a,.flow a:not(.btn):not(.card-link):not([href="#ask-bt"]),.rich a:not(.btn):not([href="#ask-bt"]){color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.prose a:hover,.rich a:hover{text-decoration-thickness:2px}
strong,b{color:var(--heading);font-weight:600}
.rich>*+*{margin-top:14px}
.rich ul,.rich ol,.prose ul,.prose ol{padding-left:0;list-style:none}
.rich li,.prose li{position:relative;padding-left:26px;margin:8px 0}
.rich ul>li::before,.prose ul>li::before{content:"";position:absolute;left:4px;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.rich ol,.prose ol{counter-reset:li}
.rich ol>li::before,.prose ol>li::before{counter-increment:li;content:counter(li);position:absolute;left:0;top:.15em;font-size:12px;font-weight:700;color:var(--accent);width:20px;height:20px;border:1px solid var(--accent-line);border-radius:6px;display:grid;place-items:center;line-height:1}
hr{border:0;border-top:1px solid var(--line);margin:48px 0}
code{font-size:.9em;background:var(--code);padding:2px 6px;border-radius:6px}

/* Buttons */
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:13px 20px;border-radius:10px;text-decoration:none;font-weight:600;font-size:16px;line-height:1.25;border:1px solid transparent;transition:background-color .2s,border-color .2s,color .2s;text-align:center}
.btn-p{background:var(--primary);color:#fff}.btn-p:hover{background:var(--primary-h)}
.btn-s{border-color:var(--btn-s);color:var(--heading)}.btn-s:hover{border-color:var(--btn-s-h)}
.tlink{display:inline-flex;gap:8px;align-items:center;margin-top:18px;color:var(--accent);font-weight:600;text-decoration:none;font-size:15px}
.tlink:hover{text-decoration:underline;text-underline-offset:3px}
.tag{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;border:1px solid var(--accent-line);padding:7px 12px;border-radius:999px;margin-bottom:22px}
.tag i{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(24,160,88,.18)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 9px;border-radius:999px;background:var(--warn-bg);color:var(--warn-t)}
.pill.ok{background:var(--ok-bg);color:var(--ok-t)}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:var(--header);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:flex;align-items:center;text-decoration:none;flex:none}
.logo img{height:40px;width:auto}
.lg-l{display:none!important}
[data-theme=light] .lg-l{display:block!important}[data-theme=light] .lg-d{display:none!important}
.nav{display:flex;align-items:center;gap:22px}
.nav>ul{display:flex;gap:26px;list-style:none;font-size:15px;font-weight:500;color:var(--heading)}
.nav>ul>li>a,.nav>ul>li>button{text-decoration:none;display:inline-flex;align-items:center;gap:4px;min-height:44px}
.nav>ul>li>a:hover,.nav>ul>li>button:hover,.nav [aria-current=page]{color:var(--accent)}
.has-menu{position:relative}
.has-menu>button .ic{transition:transform .2s}
.has-menu.open>button .ic{transform:rotate(180deg)}
.menu{position:absolute;top:calc(100% + 6px);left:-18px;display:none;gap:32px;padding:20px 22px;min-width:max-content;z-index:50;background:var(--surface-solid);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.menu::before{content:"";position:absolute;left:0;right:0;top:-30px;height:30px}
.has-menu:hover>.menu,.has-menu:focus-within>.menu,.has-menu.open>.menu{display:flex}
.has-menu.closed>.menu{display:none}
.mg{display:flex;flex-direction:column;gap:4px}
.mg-h{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:6px}
.mg a{font-size:15px;color:var(--heading);text-decoration:none;white-space:nowrap;padding:5px 0}
.mg a:hover,.mg a[aria-current=page]{color:var(--accent)}
.nav-cta{border:1px solid var(--btn-s);color:var(--heading);text-decoration:none;padding:9px 16px;border-radius:10px;font-weight:600;font-size:14px;white-space:nowrap}
.nav-cta:hover{background:var(--heading);color:var(--bg)}
.theme{display:inline-flex;align-items:center;gap:2px;padding:3px;border-radius:999px;border:1px solid var(--line);background:var(--surface)}
.theme button{width:34px;height:30px;border-radius:999px;display:grid;place-items:center;color:var(--muted)}
.theme button[aria-pressed=true]{background:rgba(255,255,255,.12);color:#fff}
[data-theme=light] .theme button[aria-pressed=true]{background:#07111F;color:#fff}
.theme button:hover{color:var(--heading)}
.theme button[aria-pressed=true]:hover{color:#fff}
.burger{display:none;width:44px;height:44px;border-radius:10px;align-items:center;justify-content:center;border:1px solid var(--line)}
.burger span,.burger span::before,.burger span::after{display:block;width:20px;height:2px;background:currentColor;position:relative;content:"";transition:transform .2s}
.burger span::before{position:absolute;top:-6px}.burger span::after{position:absolute;top:6px}
.menu-open .burger span{background:transparent}
.menu-open .burger span::before{transform:translateY(6px) rotate(45deg)}
.menu-open .burger span::after{transform:translateY(-6px) rotate(-45deg)}
.mnav{display:none}
.hdr-min .wrap{height:72px}

/* Mobile menu */
@media (max-width:1060px){
  .nav>ul,.nav-cta{display:none}
  .burger{display:inline-flex}
  .mnav{display:block;position:fixed;inset:72px 0 0 0;z-index:39;background:var(--bg);overflow-y:auto;padding:12px 0 40px;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .2s,transform .2s,visibility 0s .2s}
  .menu-open .mnav{visibility:visible;opacity:1;transform:none;transition:opacity .2s,transform .2s}
  .menu-open{overflow:hidden}
  .mnav .wrap{display:block;height:auto}
  .mnav details{border-bottom:1px solid var(--line)}
  .mnav summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:16px 0;font-size:19px;font-weight:600;color:var(--heading);cursor:pointer}
  .mnav summary::-webkit-details-marker{display:none}
  .mnav details[open] summary .ic{transform:rotate(180deg)}
  .mnav .mg{padding:0 0 16px}
  .mnav .mg+.mg{padding-top:4px}
  .mnav .mg a{padding:9px 0;font-size:16px;white-space:normal}
  .mnav .solo{display:block;padding:16px 0;font-size:19px;font-weight:600;color:var(--heading);text-decoration:none;border-bottom:1px solid var(--line)}
  .mnav .ctas{flex-direction:column}
  .mnav .ctas .btn{width:100%}
  .mnav .mphone{display:block;margin-top:18px;color:var(--muted);font-size:15px}
  .mnav .mphone a{color:var(--heading);font-weight:600;text-decoration:none}
}

/* Hero */
.hero{padding:88px 0 80px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:160px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
.hero>.wrap{position:relative;z-index:1}
.hgrid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.hgrid.solo{grid-template-columns:1fr;max-width:920px}
.hero .lead{margin-top:4px}
.hero .role{font-size:15px;color:var(--heading);border-left:2px solid var(--accent);padding-left:12px;margin:0 0 20px;max-width:60ch;font-weight:500}
.hero-media{position:relative}
.frame{border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--surface-solid)}
.frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/2}
.hero-media .badge{position:absolute;left:-18px;bottom:24px;background:var(--surface-solid);border:1px solid var(--line);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow);display:flex;gap:10px;align-items:center;font-size:14px;color:var(--heading);font-weight:600;max-width:80%}
.hero-media .badge i{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:none;box-shadow:0 0 0 4px rgba(24,160,88,.2)}
.hero .bt-ask-row{justify-content:flex-start;margin:28px 0 0;padding:0;max-width:none}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--accent)}

/* Sophria chips (markup and behavior come from /assets/sophria.js; styling only) */
.bt-ask-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:28px 0 0}
.bt-ask-row.center{justify-content:center}
a[href="#ask-bt"]{display:inline-flex;align-items:center;gap:8px;padding:5px 14px 5px 5px;border:1px solid var(--chip-b);background:var(--chip-bg);border-radius:999px;color:var(--chip-t);text-decoration:none;font-size:14px;line-height:1.35;transition:background-color .15s,color .15s;max-width:100%}
a[href="#ask-bt"]:hover{background:var(--ok);color:#fff}
a[href="#ask-bt"] .bt-ask-avatar{width:28px;height:28px;border-radius:50%;background-size:cover;background-position:center;flex:0 0 28px;border:1px solid #fff;box-shadow:0 0 0 1px var(--ok)}
a[href="#ask-bt"] .bt-ask-label{font-weight:700;white-space:nowrap;color:var(--chip-l)}
a[href="#ask-bt"]:hover .bt-ask-label{color:#fff}
.sophbar{margin-top:56px;display:grid;grid-template-columns:auto 1fr;gap:6px 20px;align-items:center;padding:20px 22px;border:1px solid var(--accent-line);border-radius:16px;background:var(--hi)}
.sophbar img{width:56px;height:56px;border-radius:14px;object-fit:cover;grid-row:auto}
.sophbar h2,.sophbar h3{font-size:18px;margin:0;letter-spacing:0}
.sophbar p{font-size:15px;color:var(--muted)}
.sophbar .bt-ask-row{grid-column:1/-1;margin-top:12px}
.sophcard{border:1px solid var(--accent-line);border-radius:16px;background:var(--hi);padding:22px}
.sophcard .who{display:flex;gap:14px;align-items:center;margin-bottom:6px}
.sophcard img{width:48px;height:48px;border-radius:12px;object-fit:cover}
.sophcard h3{font-size:18px;margin:0}
.sophcard p{font-size:15px;color:var(--muted)}
.sophcard .bt-ask-row{margin-top:14px}

/* Cards and grids */
.cards{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.cards+.cards,.rich+.cards,.cards+.rich{margin-top:24px}
.card{border:1px solid var(--line);border-radius:var(--r);padding:26px;background:var(--surface);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;min-width:0}
.card>*+*{margin-top:12px}
.card h3,.card h4{margin:0}
.card h3+p,.card h4+p{margin-top:8px}
.card p,.card li{font-size:15.5px;color:var(--muted)}
.card strong{color:var(--heading)}
.card .num{font-size:12px;letter-spacing:.14em;color:var(--accent);font-weight:700;text-transform:uppercase}
.card .ic{color:var(--accent)}
.card .ctas{margin-top:auto;padding-top:18px}
.card .eyebrow{margin-bottom:0}
.card-link{text-decoration:none;transition:border-color .2s,transform .2s,background-color .2s}
.card-link:hover{border-color:var(--accent-line);transform:translateY(-2px);background:var(--hi)}
.card-link .go{margin-top:auto;padding-top:18px;display:flex;justify-content:space-between;align-items:center;color:var(--heading);font-size:14px;font-weight:600}
.card.feature{border-color:var(--accent-line);background:linear-gradient(135deg,rgba(30,107,255,.18),rgba(34,167,240,.05)),var(--surface)}
.sig .pill{align-self:flex-start}
.sig .ic{margin-top:22px}
.cols{display:grid;gap:40px;grid-template-columns:repeat(2,1fr)}
.cols.c3{grid-template-columns:repeat(3,1fr)}
.cols>div{min-width:0}

/* Split: text + media */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev>.split-media{order:-1}
.split-media{min-width:0}
.split-media .frame img{aspect-ratio:3/2}

/* Pipeline */
.pipe{display:grid;grid-template-columns:repeat(var(--n,3),1fr);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.pst{padding:32px 28px;border-right:1px solid var(--line);background:var(--surface);min-width:0}
.pst:last-child{border-right:0}
.pst .num{font-size:12px;letter-spacing:.14em;color:var(--accent);font-weight:600;text-transform:uppercase}
.pst .bar{height:3px;border-radius:3px;background:var(--line);margin:16px 0 24px;overflow:hidden}
.pst .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent))}
.pst h3{font-size:20px}
.pst p{color:var(--muted);font-size:15.5px}
.pst .tlink{margin-top:16px}

/* Operating stack */
.stack{display:flex;flex-direction:column;gap:10px}
.layer{border:1px solid var(--line);border-radius:14px;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px;text-decoration:none;background:var(--surface)}
.layer b{display:block;color:var(--heading);font-weight:600;font-size:17px}
.layer small{display:block;color:var(--muted);font-size:14px;margin-top:2px}
.layer.hl{border-color:var(--accent-line);background:var(--hi)}
.layer .pill{background:var(--ok-bg);color:var(--ok-t)}
a.layer:hover{border-color:var(--accent-line)}
.partner{display:inline-block;margin-top:22px;font-size:15px;color:var(--heading);border-left:2px solid var(--accent);padding-left:12px}

/* Diagrams (inline SVG) */
.diagram{border:1px solid var(--line);border-radius:20px;background:var(--surface);padding:22px;box-shadow:var(--shadow-sm)}
.diagram svg{display:block;width:100%;height:auto}
.diagram figcaption{font-size:13px;color:var(--muted);margin-top:12px}
.dg-node{fill:var(--surface-2);stroke:var(--line-2)}
.dg-node.hl{fill:rgba(30,107,255,.16);stroke:var(--primary)}
.dg-t1{fill:var(--heading);font:600 14px 'Open Sauce',sans-serif}
.dg-t2{fill:var(--muted);font:400 12px 'Open Sauce',sans-serif}
.dg-t3{fill:var(--accent);font:700 11px 'Open Sauce',sans-serif;letter-spacing:.1em}
.dg-line{stroke:var(--accent);fill:none;stroke-width:1.6}
.dg-dot{fill:var(--accent)}
.dg-grid{stroke:var(--line);fill:none}
.flowline{stroke-dasharray:6 8;animation:dash 1.6s linear infinite}
@keyframes dash{to{stroke-dashoffset:-28}}
.console{background:var(--surface-solid);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.console .ch{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--line)}
.console .ch b{color:var(--heading);font-weight:600}
.dots{display:flex;gap:6px}.dots i{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.console .legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line)}
.console .legend span{display:inline-flex;align-items:center;gap:6px}.console .legend i{width:8px;height:8px;border-radius:2px}
.route{width:100%;height:auto;display:block;margin:10px 0 6px}
.bricks{display:block;width:100%;height:auto;border-radius:20px;border:1px solid var(--line);background:var(--surface)}
.br-a{fill:var(--primary)}.br-b{fill:var(--accent);opacity:.75}.br-c{fill:var(--surface-2);stroke:var(--line-2)}.br-d{fill:var(--heading);opacity:.9}

/* Tables */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--surface);-webkit-overflow-scrolling:touch}
.tbl table{width:100%;border-collapse:collapse;font-size:15.5px;min-width:560px}
.tbl th,.tbl td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{color:var(--heading);font-weight:600;font-size:14px;background:var(--hi)}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{color:var(--heading);font-weight:500}
.tbl figcaption{padding:12px 18px;font-size:13px;color:var(--muted)}

/* Quotes */
blockquote,.quote{border-left:3px solid var(--accent);padding:6px 0 6px 22px;font-size:20px;line-height:1.5;color:var(--heading)}
blockquote cite,.quote cite{display:block;margin-top:10px;font-size:14px;color:var(--muted);font-style:normal}
blockquote p+p{margin-top:10px}

/* FAQ / details (existing .bt-faq markup restyled) */
.faq,.bt-faq{display:flex;flex-direction:column;gap:10px;max-width:900px}
.faq details,.bt-faq details,details.bt-faq-item,details.acc{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:0}
.faq summary,.bt-faq summary,details.bt-faq-item>summary,details.acc>summary{list-style:none;cursor:pointer;padding:18px 54px 18px 22px;font-weight:600;color:var(--heading);position:relative;font-size:17px;line-height:1.4}
.faq summary::-webkit-details-marker,details>summary::-webkit-details-marker{display:none}
.faq summary::after,.bt-faq summary::after,details.bt-faq-item>summary::after,details.acc>summary::after{content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
details[open]>summary::after{transform:translateY(-30%) rotate(-135deg)!important}
.bt-faq-answer,.acc-body{padding:0 22px 20px;color:var(--text)}
.bt-faq-answer>*+*,.acc-body>*+*{margin-top:12px}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.6fr;gap:56px;align-items:start}

/* CTA band */
.final{text-align:center}
.final h2{margin:0 auto 18px;max-width:24ch}
.final .sub{margin:0 auto}
.final .ctas{justify-content:center}

/* Who for / not for, differs */
.fit{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fit .card h3{display:flex;gap:10px;align-items:center}
.fit .yes .ic{color:var(--ok)}.fit .no .ic{color:var(--warn)}
.differs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.differs .card.here{border-color:var(--accent-line);background:var(--hi)}
.differs .card .pill{align-self:flex-start}

/* News / articles */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.news-card{border:1px solid var(--line);border-radius:16px;text-decoration:none;display:flex;flex-direction:column;background:var(--surface);overflow:hidden;box-shadow:var(--shadow-sm)}
.news-card:hover{border-color:var(--accent-line)}
.news-card .art{display:block;aspect-ratio:16/8;border-bottom:1px solid var(--line)}
.news-card .art svg{width:100%;height:100%;display:block}
.news-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card .meta{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted)}
.news-card .meta b{color:var(--accent);letter-spacing:.1em;text-transform:uppercase;font-weight:600}
.news-card h3{font-size:20px;line-height:1.3;margin:6px 0 0}
.news-card p{color:var(--muted);font-size:15px}
.news-card.featured{display:grid;grid-template-columns:1.1fr 1fr}
.news-card.featured .art{aspect-ratio:auto;border-bottom:0;border-right:1px solid var(--line);min-height:300px}
.news-card.featured h3{font-size:clamp(24px,2.4vw,32px)}
.art-svg .a1{fill:var(--primary)}.art-svg .a2{fill:var(--accent);opacity:.7}.art-svg .a3{fill:var(--surface-2);stroke:var(--line-2)}
.art-svg .a4{stroke:var(--accent);fill:none;stroke-width:2}.art-svg .a5{fill:var(--heading);opacity:.85}.art-svg .bg{fill:var(--surface-solid)}
.art-svg .gr{stroke:var(--line);fill:none}
.article-head{padding:72px 0 40px}
.article-head .meta{display:flex;gap:10px 18px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-top:10px}
.article-head h1{font-size:clamp(36px,4.4vw,58px);max-width:22ch}
.article-art{border-radius:20px;overflow:hidden;border:1px solid var(--line);aspect-ratio:21/8;margin-top:36px}
.article-art svg{width:100%;height:100%;display:block}
.article-body{display:grid;grid-template-columns:240px minmax(0,1fr);gap:64px;padding:40px 0 96px;align-items:start}
.article-body.no-toc{grid-template-columns:minmax(0,1fr)}
.article-body.no-toc .prose{margin:0 auto}
.toc{position:sticky;top:100px;font-size:14px;border-left:1px solid var(--line);padding-left:18px}
.toc p{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:10px}
.toc ol{list-style:none;padding:0;margin:0}
.toc li{margin:0 0 8px}
.toc a{text-decoration:none;color:var(--muted)}.toc a:hover{color:var(--heading)}
.prose .tbl{margin:28px 0}
.prose figure.diagram{margin:32px 0}
.callout{border:1px solid var(--accent-line);background:var(--hi);border-radius:16px;padding:22px 24px}
.callout>*+*{margin-top:10px}

/* Page TOC (long pages) */
.ptoc{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.ptoc a{font-size:14px;text-decoration:none;color:var(--heading);border:1px solid var(--line);background:var(--surface);padding:7px 12px;border-radius:999px}
.ptoc a:hover{border-color:var(--accent-line);color:var(--accent)}

/* Forms shell (field styling lives in bt-forms.css) */
.form-shell{border:1px solid var(--line);border-radius:20px;background:var(--surface-solid);padding:32px;box-shadow:var(--shadow)}
.form-shell>h2,.form-shell>h3{font-size:24px;margin-bottom:6px}
.form-shell>p{color:var(--muted);font-size:15px;margin-bottom:18px}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}
.form-note a{color:var(--accent)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.steps-mini{list-style:none;padding:0;margin:24px 0 0;display:flex;flex-direction:column;gap:14px}
.steps-mini li{display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:start}
.steps-mini .n{width:36px;height:36px;border-radius:10px;border:1px solid var(--accent-line);display:grid;place-items:center;color:var(--accent);font-weight:700;font-size:14px}
.steps-mini b{display:block}
.steps-mini span{color:var(--muted);font-size:15px}
.contact-line{margin-top:28px;display:flex;flex-direction:column;gap:6px;font-size:15px}
.contact-line a{color:var(--heading);font-weight:600;text-decoration:none;font-size:20px}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:72px 0 36px;font-size:15px;color:var(--muted)}
.fgrid{display:grid;grid-template-columns:1.4fr repeat(5,1fr);gap:28px}
.fbrand img{width:150px;height:auto}
.fbrand p{margin-top:14px;max-width:30ch}
.fbrand .fphone{color:var(--heading);text-decoration:none;font-weight:600}
.fh{color:var(--heading);font-weight:600;font-size:14px;margin-bottom:14px}
.fcol ul{list-style:none}
.fcol li{margin-bottom:9px}
.fcol a{text-decoration:none}.fcol a:hover,.fcol a[aria-current=page]{color:var(--heading)}
.fbot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:56px;padding-top:22px;border-top:1px solid var(--line);font-size:13px}
.fbot a{text-decoration:none}.fbot a:hover{color:var(--heading)}
.site-footer.min{padding:32px 0}
.site-footer.min .fbot{margin-top:0;border-top:0;padding-top:0;align-items:center}

/* 404 */
.nf-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px}

/* Responsive */
@media (max-width:1100px){
  .cards.c4{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:repeat(3,1fr)}.fbrand{grid-column:1/-1}
}
@media (max-width:900px){
  :root{--gut:20px}
  .sec{padding:80px 0}.sec.tight{padding:56px 0}
  .hero{padding:48px 0 56px}
  .hgrid,.split,.contact-grid,.faq-wrap,.cols,.cols.c3,.fit{grid-template-columns:1fr;gap:36px}
  .split.rev>.split-media{order:0}
  .cards,.cards.c2,.cards.c4,.differs,.news-grid,.nf-links{grid-template-columns:1fr}
  .pipe{grid-template-columns:1fr}.pst{border-right:0;border-bottom:1px solid var(--line)}.pst:last-child{border-bottom:0}
  .news-card.featured{grid-template-columns:1fr}.news-card.featured .art{border-right:0;border-bottom:1px solid var(--line);min-height:0;aspect-ratio:16/8}
  .article-body{grid-template-columns:1fr;gap:24px}
  .toc{position:static;border-left:0;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
  .hero-media .badge{left:12px}
  .fgrid{grid-template-columns:1fr 1fr}
  .form-shell{padding:22px}
  .sophbar img{width:44px;height:44px;grid-row:auto}
  .article-art{aspect-ratio:16/9}
}
@media (min-width:600px) and (max-width:900px){.cards,.news-grid,.nf-links{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){
  h1{font-size:36px}
  .btn{width:100%}
  .theme button{width:30px}
  .logo img{height:34px}
  .site-header .wrap{gap:10px}
  .nav{gap:10px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.site-footer,.mnav,elevenlabs-convai{display:none!important}body{background:#fff;color:#000}}

/* Code-drawn diagrams (replace the old raster diagrams; follow the theme) */
.dgm{border:1px solid var(--line);border-radius:20px;background:var(--surface);padding:24px;box-shadow:var(--shadow-sm);min-width:0}
.dgm-t{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:18px}
.dgm figcaption{font-size:13px;color:var(--muted);margin-top:14px}
.dgm ol,.dgm ul{list-style:none;margin:0;padding:0}
.dgm b{display:block;color:var(--heading);font-weight:600;font-size:15.5px;line-height:1.3}
.dgm small{display:block;color:var(--muted);font-size:13.5px;line-height:1.4;margin-top:4px}
.dgm-steps ol{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;counter-reset:s}
.dgm-steps li{position:relative;border:1px solid var(--line-2);border-radius:12px;padding:14px;background:var(--bg)}
.dgm-steps li .n{display:block;font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:10px}
.dgm-steps li:not(:last-child)::after{content:"";position:absolute;right:-9px;top:20px;width:8px;height:2px;background:var(--accent)}
.dgm-steps li:last-child{border-color:var(--accent-line);background:var(--hi)}
.dgm-loop{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--muted)}
.dgm-loop .ic{color:var(--accent)}
.dgm-grid ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.dgm-grid li{border:1px solid var(--line-2);border-radius:12px;padding:16px;background:var(--bg);display:flex;flex-direction:column;gap:2px}
.dgm-grid li::before{content:"";width:22px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent));margin-bottom:10px}
.dgm-grid .pill{align-self:flex-start;margin-bottom:8px}
.dgm-stack ol{display:flex;flex-direction:column;gap:8px}
.dgm-stack li{border:1px solid var(--line-2);border-radius:12px;padding:14px 16px;background:var(--bg);display:flex;justify-content:space-between;gap:16px;align-items:baseline;flex-wrap:wrap}
.dgm-stack li small{margin:0}
.dgm-stack li.hl{border-color:var(--accent-line);background:var(--hi)}
.dgm-cmp,.dgm-cv{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:center}
.dgm-c{border:1px solid var(--line-2);border-radius:12px;padding:16px;background:var(--bg);height:100%}
.dgm-c.good{border-color:rgba(24,160,88,.45)}
.dgm-ch{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--heading);margin-bottom:10px;font-size:15px}
.dgm-c.bad .dgm-ch .ic{color:var(--warn)}.dgm-c.good .dgm-ch .ic{color:var(--ok)}
.dgm-c li{font-size:14.5px;color:var(--muted);padding:6px 0;border-top:1px solid var(--line)}
.dgm-arrow{color:var(--accent);display:grid;place-items:center}
.dgm-cv ul{display:flex;flex-direction:column;gap:8px}
.dgm-cv li{border:1px dashed var(--line-2);border-radius:10px;padding:10px 14px;font-size:14.5px;color:var(--text);background:var(--bg)}
.dgm-target{border:1px solid var(--accent-line);border-radius:14px;padding:18px;background:var(--hi)}
.dgm-time ol{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0;position:relative}
.dgm-time li{position:relative;padding:28px 14px 0 0}
.dgm-time li::before{content:"";position:absolute;left:0;right:0;top:8px;height:2px;background:var(--line-2)}
.dgm-time li::after{content:"";position:absolute;left:0;top:3px;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(34,167,240,.18)}
.dgm-time .d{display:block;font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.06em;margin-bottom:4px}
.dg-ok{fill:var(--ok-t);font:700 10px 'Open Sauce',sans-serif;letter-spacing:.04em}
.dg-warn{fill:var(--warn-t);font:700 11px 'Open Sauce',sans-serif}
.br-bg{fill:var(--surface-solid)}
@media (max-width:640px){
  .dgm{padding:18px}
  .dgm-cmp,.dgm-cv{grid-template-columns:1fr}.dgm-arrow{transform:rotate(90deg)}
  .dgm-steps ol{grid-template-columns:1fr 1fr}.dgm-steps li::after{display:none}
  .dgm-time ol{grid-template-columns:1fr}.dgm-time li{padding:0 0 18px 28px}.dgm-time li::before{left:5px;right:auto;top:14px;bottom:0;width:2px;height:auto}
}
/* Content flow inside sections */
.flow>*+*{margin-top:18px}
.flow>h2+*,.flow>h3+*{margin-top:12px}
.flow>.eyebrow+h2,.flow>.eyebrow+h3{margin-top:0}
.flow>*+h2{margin-top:56px}.flow>*+h3{margin-top:32px}
.flow>.cards,.flow>.split,.flow>.tbl,.flow>.dgm,.flow>.cols,.flow>.pipe,.flow>.faq,.flow>.bt-faq,.flow>.differs,.flow>.fit,.flow>.console,.flow>.stack{margin-top:40px}
.flow>.ctas{margin-top:28px}
.flow>p,.flow>ul,.flow>ol,.flow>h2,.flow>h3,.flow>h4,.flow>blockquote,.flow>details{max-width:76ch}
.flow>p.lead-p{font-size:18px;color:var(--muted);max-width:66ch}
.flow ul:not([class]),.flow ol:not([class]),.card ul:not([class]),.card ol:not([class]),.bt-faq-answer ul,.acc-body ul{list-style:none;padding:0}
.flow ul:not([class])>li,.card ul:not([class])>li,.bt-faq-answer ul>li,.acc-body ul>li{position:relative;padding-left:24px;margin:8px 0}
.flow ul:not([class])>li::before,.card ul:not([class])>li::before,.bt-faq-answer ul>li::before,.acc-body ul>li::before{content:"";position:absolute;left:3px;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.flow ol:not([class]),.card ol:not([class]){counter-reset:li}
.flow ol:not([class])>li,.card ol:not([class])>li{position:relative;padding-left:32px;margin:10px 0}
.flow ol:not([class])>li::before,.card ol:not([class])>li::before{counter-increment:li;content:counter(li);position:absolute;left:0;top:.1em;font-size:12px;font-weight:700;color:var(--accent);width:22px;height:22px;border:1px solid var(--accent-line);border-radius:6px;display:grid;place-items:center;line-height:1}
.split-text>*+*{margin-top:16px}
.split-text>*+h2{margin-top:40px}.split-text>*+h3{margin-top:28px}
.split-text>.eyebrow+h2{margin-top:0}
.split-text h2+*,.split-text h3+*{margin-top:10px}
.card .ctas .btn{width:auto}
/* build fixes */
.flow a.news-card,.flow a.layer,a.news-card,a.layer{text-decoration:none!important}
.news-card .tlink{text-decoration:none;margin-top:auto}
.hero:not(.hero-home) h1{font-size:clamp(36px,4.1vw,56px)}
.hero .hero-note{margin-top:16px;font-size:14px;color:var(--muted)}
.hero .lead-2{margin-top:14px;color:var(--muted)}
.hero-text ul{list-style:none;padding:0;margin:18px 0 0}
.hero-text ul>li{position:relative;padding-left:26px;margin:8px 0;color:var(--text)}
.hero-text ul>li::before{content:"";position:absolute;left:4px;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.gform_wrapper li::before,.form-shell li::before{content:none!important}
.rich .gform_wrapper li,.flow .gform_wrapper li{padding-left:0}
.flow a.layer,.flow a.layer *{text-decoration:none}
.dgm li{min-width:0;overflow-wrap:break-word}
@media (max-width:400px){.dgm-steps ol,.dgm-grid ul{grid-template-columns:1fr}}