/* Layout: dark navy command surface; wide display type echoing the MESH wordmark; node-and-link mesh motif drawn from the logo. */
:root{
  --bg:#050C18; --surface:#0A1526; --surface-2:#0F1D33; --line:#1A2B45; --line-soft:#13223A;
  --fg:#E7EDF6; --muted:#8C9CB5; --navy:#0A1630; --blue:#2F7BF0; --blue-hi:#5AA0FF; --blue-soft:rgba(47,123,240,.14);
  --on-blue:#FFFFFF; --ok:#3CCB8F;
  --f-display:"Archivo","Arial Narrow",system-ui,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --f-brand:"Michroma","Archivo",system-ui,sans-serif;
  --r:10px; --max:1180px;
  color-scheme:dark;
}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]){
  --bg:#F4F7FB; --surface:#FFFFFF; --surface-2:#EAF0F8; --line:#D5DEEA; --line-soft:#E3E9F2;
  --fg:#0A1630; --muted:#56657D; --navy:#0A1630; --blue:#1463DA; --blue-hi:#0B4FB8; --blue-soft:rgba(20,99,218,.09);
  --on-blue:#FFFFFF; --ok:#138A5B; color-scheme:light;
}}
:root[data-theme="light"]{
  --bg:#F4F7FB; --surface:#FFFFFF; --surface-2:#EAF0F8; --line:#D5DEEA; --line-soft:#E3E9F2;
  --fg:#0A1630; --muted:#56657D; --navy:#0A1630; --blue:#1463DA; --blue-hi:#0B4FB8; --blue-soft:rgba(20,99,218,.09);
  --on-blue:#FFFFFF; --ok:#138A5B; color-scheme:light;
}
.mark-l{display:none}.mark-d{display:block}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]) .mark-l{display:block}:root:not([data-theme="dark"]) .mark-d{display:none}}
:root[data-theme="light"] .mark-l{display:block}:root[data-theme="light"] .mark-d{display:none}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
html,body{margin:0}
body{background:var(--bg);color:var(--fg);font:16px/1.6 var(--f-body);-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:2px solid var(--blue-hi);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:clamp(16px,4vw,32px)}
h1,h2,h3{font-family:var(--f-display);font-stretch:118%;text-wrap:balance;margin:0;letter-spacing:-.01em}
p{margin:0}
.eyebrow{font:500 12px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--blue-hi);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;border:2px solid currentColor}

/* nav */
header.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:30px;height:auto}
.brand .wm{font:15px/1 var(--f-brand);letter-spacing:.22em}
.brand .wm b{font-weight:400;color:var(--blue-hi)}
.nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0;font-size:14px;font-weight:500}
.nav ul a{text-decoration:none;color:var(--muted);transition:color .15s}
.nav ul a:hover{color:var(--fg)}
.btn{display:inline-flex;align-items:center;gap:10px;font:600 14px/1 var(--f-body);text-decoration:none;padding:13px 20px;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:transform .15s,background .15s,border-color .15s}
.btn-primary{background:linear-gradient(100deg,#0B3E9C,var(--blue) 55%,#3E95FF);color:var(--on-blue)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{border-color:var(--line);color:var(--fg);background:transparent}
.btn-ghost:hover{border-color:var(--blue)}
.nav .btn{padding:10px 16px}
@media (max-width:860px){.nav ul{display:none}}
@media (max-width:420px){.nav .btn{display:none}}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}
#mesh{position:absolute;inset:0;width:100%;height:100%;opacity:.55}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;padding-block:96px 88px}
.hero h1{font-size:clamp(38px,6vw,76px);line-height:.98;font-weight:800;margin-block:22px 24px}
.hero h1 span{background:linear-gradient(95deg,var(--blue-hi),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{font-size:clamp(17px,1.6vw,19px);color:var(--muted);max-width:56ch}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-mark{justify-self:center;position:relative;width:min(340px,100%)}
.hero-mark img{width:100%;height:auto;filter:drop-shadow(0 20px 60px rgba(47,123,240,.28))}
.hero-mark .ring{position:absolute;inset:-12%;border:1px dashed var(--line);border-radius:50%}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;padding-block:64px 56px}.hero-mark{width:180px;grid-row:1;justify-self:start}}

/* standards strip */
.standards{border-bottom:1px solid var(--line-soft);background:var(--surface)}
.standards .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:14px 34px;padding-block:22px}
.standards .lbl{font:500 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.standards ul{display:flex;flex-wrap:wrap;gap:10px 28px;list-style:none;margin:0;padding:0;font:500 13px/1 var(--f-mono);color:var(--fg)}

section{padding-block:clamp(72px,9vw,112px)}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:24px 56px;align-items:end;margin-bottom:48px}
.sec-head h2{font-size:clamp(30px,4vw,48px);line-height:1.04;font-weight:750;margin-top:16px}
.sec-head p{color:var(--muted);max-width:60ch}
@media (max-width:860px){.sec-head{grid-template-columns:1fr}}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.svc{grid-column:span 2;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:14px;min-width:0;transition:border-color .2s,transform .2s}
.svc:hover{border-color:var(--blue);transform:translateY(-2px)}
.svc.wide{grid-column:span 3}
.svc .tag{font:500 11.5px/1 var(--f-mono);letter-spacing:.06em;color:var(--blue-hi);text-transform:uppercase}
.svc h3{font-size:21px;line-height:1.2;font-weight:700}
.svc p{color:var(--muted);font-size:15px}
.svc ul{list-style:none;margin:auto 0 0;padding:14px 0 0;border-top:1px solid var(--line-soft);display:grid;gap:8px;font-size:14px}
.svc li{display:flex;gap:10px;align-items:baseline}
.svc li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--blue);transform:translateY(-2px)}
@media (max-width:980px){.svc,.svc.wide{grid-column:span 3}}
@media (max-width:640px){.svc,.svc.wide{grid-column:1/-1}}

/* AI red teaming */
.ai{background:linear-gradient(180deg,var(--surface) 0%,var(--bg) 100%);border-block:1px solid var(--line-soft);position:relative}
.cert{display:flex;align-items:center;gap:14px;border:1px solid var(--line);background:var(--bg);border-radius:var(--r);padding:14px 18px;width:fit-content;max-width:100%;margin-top:24px}
.cert .badge{flex:none;width:40px;height:40px;border-radius:8px;background:linear-gradient(135deg,#0B3E9C,var(--blue));color:#fff;display:grid;place-items:center;font:600 11px/1 var(--f-mono);letter-spacing:.04em}
.cert strong{display:block;font-size:14.5px}
.cert span{font-size:13px;color:var(--muted)}

.surface{border:1px solid var(--line);border-radius:var(--r);background:var(--bg);padding:24px;margin-bottom:28px;overflow-x:auto}
.surface .cap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font:500 12px/1.4 var(--f-mono);color:var(--muted);margin-bottom:20px;letter-spacing:.04em}
.flow{display:grid;grid-template-columns:repeat(5,minmax(130px,1fr));gap:0;align-items:stretch;min-width:720px}
.node{position:relative;padding:0 10px;display:flex;flex-direction:column;gap:8px}
.node .dot{width:14px;height:14px;border-radius:50%;border:2px solid var(--blue);background:var(--bg);position:relative;z-index:1}
.node.hub .dot{background:var(--blue);box-shadow:0 0 0 5px var(--blue-soft)}
.node::before{content:"";position:absolute;top:6px;left:24px;right:-10px;height:2px;background:var(--line)}
.node:last-child::before{display:none}
.node b{font-size:14px;font-weight:600}
.node .ids{display:flex;flex-wrap:wrap;gap:5px}
.node .ids span{font:500 11px/1 var(--f-mono);padding:4px 6px;border-radius:4px;background:var(--blue-soft);color:var(--blue-hi)}
.node small{font-size:12.5px;color:var(--muted);line-height:1.45}
.branches{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.branches div{font-size:12.5px;color:var(--muted);padding-left:12px;border-left:2px solid var(--line)}
.branches div b{display:block;color:var(--fg);font-size:13px}

.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ai-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:12px;min-width:0}
.ai-card .ids{font:500 11.5px/1 var(--f-mono);color:var(--blue-hi);letter-spacing:.04em}
.ai-card h3{font-size:19px;line-height:1.25;font-weight:700}
.ai-card p{font-size:14.5px;color:var(--muted)}
@media (max-width:980px){.ai-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.ai-grid{grid-template-columns:1fr}}

/* approach */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:s;list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.steps li{padding:26px 22px 8px 0;position:relative;min-width:0}
.steps li::before{counter-increment:s;content:"0" counter(s);display:block;font:500 12px/1 var(--f-mono);color:var(--blue-hi);margin-bottom:16px}
.steps li::after{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;border-radius:50%;background:var(--bg);border:2px solid var(--blue)}
.steps h3{font-size:18px;font-weight:700;margin-bottom:8px}
.steps p{font-size:14.5px;color:var(--muted)}
@media (max-width:900px){.steps{grid-template-columns:1fr;border-top:0;border-left:1px solid var(--line);padding-left:24px}.steps li{padding:0 0 28px}.steps li::after{left:-30px;top:0}}

.philo{margin-top:64px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.philo div{border-top:2px solid var(--blue);padding-top:18px}
.philo b{font-family:var(--f-display);font-stretch:118%;font-size:20px;display:block;margin-bottom:6px}
.philo p{font-size:14.5px;color:var(--muted)}
@media (max-width:760px){.philo{grid-template-columns:1fr}}

/* contact */
.contact{background:var(--surface);border-top:1px solid var(--line-soft)}
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.contact h2{font-size:clamp(30px,4vw,46px);line-height:1.05;font-weight:750;margin-block:16px 18px}
.contact .side p{color:var(--muted);max-width:46ch}
.addr{margin-top:28px;display:grid;gap:14px}
.addr div{display:flex;flex-direction:column;gap:3px}
.addr span{font:500 11px/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.addr b{font-weight:500;font-size:16px;user-select:all}
form{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:28px;min-width:0}
.f{display:flex;flex-direction:column;gap:7px;min-width:0}
.f.full{grid-column:1/-1}
label{font-size:13px;font-weight:500}
input,select,textarea{font:15px/1.4 var(--f-body);color:var(--fg);background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:11px 12px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
textarea{min-height:120px;resize:vertical}
form .btn{justify-self:start}
.done{grid-column:1/-1;border:1px solid var(--ok);border-radius:8px;padding:16px;font-size:14px}
.done pre{white-space:pre-wrap;font:13px/1.5 var(--f-mono);background:var(--surface);padding:12px;border-radius:6px;margin:10px 0;color:var(--fg)}
@media (max-width:860px){.contact .wrap{grid-template-columns:1fr}}
@media (max-width:520px){form{grid-template-columns:1fr;padding:20px}}

footer{border-top:1px solid var(--line-soft);padding-block:40px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;font-size:13px;color:var(--muted)}
footer .brand .wm{font-size:13px;color:var(--fg)}
footer .brand small{display:block;font:10px/1 var(--f-brand);letter-spacing:.3em;margin-top:6px;color:var(--muted)}

.hero{padding-block:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.status{grid-column:1/-1;margin:0;font-size:14px;padding:12px 14px;border-radius:8px;border:1px solid var(--line)}
.status.ok{border-color:var(--ok);color:var(--fg)}
.status.err{border-color:#E5484D;color:var(--fg)}
.btn[disabled]{opacity:.6;cursor:wait}