:root{
  --black:#050810; --navy:#09111F; --slate:#101C2D; --blue:#147DFF; --cyan:#22D3EE;
  --ice:#F5F8FC; --gray:#A9B7C7; --muted:#8392A6; --border:#22334A;
  --green:#35C68B; --amber:#F4B942; --red:#E45C66;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--black);color:var(--gray);font:400 1rem/1.65 var(--sans);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--ice);text-decoration-color:var(--border);text-underline-offset:3px}
a:hover{text-decoration-color:var(--blue)}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:12px;top:-60px;background:var(--ice);color:var(--black);padding:10px 16px;z-index:100;border-radius:4px}
.skip:focus{top:12px}
.wrap{width:min(var(--wrap),100% - 40px);margin-inline:auto}
h1,h2,h3{font-family:var(--serif);color:var(--ice);font-weight:400;line-height:1.15;margin:0}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem);letter-spacing:-.005em;max-width:22ch}
h3{font-size:1.3rem}
p{margin:0 0 1em;max-width:62ch}
h2+p{margin-top:18px}
.label{font:500 .72rem/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:14px;margin-bottom:22px}
.label::after{content:"";height:1px;width:56px;background:var(--border)}
section{padding:clamp(64px,9vw,112px) 0;border-top:1px solid var(--border)}
.alt{background:var(--navy)}
.lede{font-size:1.1rem;color:var(--gray)}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(5,8,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.bar{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ice)}
.brand img{width:40px;height:40px}
.brand b{display:block;font:600 1rem/1.1 var(--serif);letter-spacing:.16em}
.brand span{display:block;font:500 .6rem/1.4 var(--mono);letter-spacing:.34em;color:var(--blue)}
nav ul{display:flex;gap:30px;list-style:none;margin:0;padding:0}
nav a{text-decoration:none;font-size:.88rem;color:var(--gray);padding:8px 0;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current]{color:var(--ice);border-color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;border-radius:6px;font:500 .92rem var(--sans);text-decoration:none;border:1px solid var(--blue);cursor:pointer;transition:background .2s,border-color .2s}
.btn.primary{background:var(--blue);color:#fff}
.btn.primary:hover{background:#2b8aff}
.btn.ghost{background:transparent;color:var(--ice);border-color:#3a4f6b}
.btn.ghost:hover{border-color:var(--ice)}
.menu-btn{display:none;background:none;border:1px solid var(--border);color:var(--ice);min-height:44px;min-width:44px;border-radius:6px;font:500 .85rem var(--sans);padding:0 14px;cursor:pointer}
@media (max-width:860px){
  .menu-btn{display:inline-flex;align-items:center}
  nav{position:absolute;left:0;right:0;top:72px;background:var(--navy);border-bottom:1px solid var(--border);display:none}
  nav.open{display:block}
  nav ul{flex-direction:column;gap:0;padding:8px 20px 20px}
  nav li a{display:block;padding:16px 0;border-bottom:1px solid var(--border)}
  .bar>.btn{display:none}
}

/* hero */
.hero{position:relative;overflow:hidden;border-top:0;padding:clamp(72px,11vw,150px) 0 clamp(72px,10vw,130px);min-height:min(88vh,820px);display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background:var(--black) url(assets/hero.svg) right center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,16,.96) 0%,rgba(5,8,16,.72) 42%,rgba(5,8,16,0) 75%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero-mark{width:min(380px,100%);justify-self:center;filter:drop-shadow(0 0 40px rgba(20,125,255,.35))}
.eyebrow{font:500 .72rem/1.5 var(--mono);letter-spacing:.2em;max-width:none;text-transform:uppercase;color:var(--gray);margin-bottom:26px}
.hero h1{font-size:clamp(2rem,5.2vw,4.1rem);letter-spacing:.07em;white-space:nowrap;text-transform:uppercase;font-weight:400}
.hero h1 em{display:block;font-style:normal;color:var(--blue);letter-spacing:.2em;font-size:.62em;margin-top:.1em}
.tagline{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--ice);margin:28px 0 14px}
.hero p.sub{color:var(--gray);max-width:50ch}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-mark{display:none}
  .hero-bg{background-position:68% 100%;background-size:auto 100%}
  .hero::after{background:linear-gradient(180deg,rgba(5,8,16,.9) 0%,rgba(5,8,16,.6) 55%,rgba(5,8,16,.25) 100%)}
  .cta-row .btn{width:100%}
}

/* credibility strip */
.strip{padding:0;background:var(--navy)}
.strip ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr)}
.strip li{padding:22px 16px;text-align:center;font:500 .7rem/1.5 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--gray);border-left:1px solid var(--border)}
.strip li:first-child{border-left:0}
@media (max-width:860px){.strip ul{grid-template-columns:1fr 1fr}.strip li{border-left:0;border-top:1px solid var(--border)}.strip li:first-child{border-top:0}}

/* cards */
.head{display:grid;gap:18px;margin-bottom:48px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--slate);border:1px solid var(--border);border-radius:8px;padding:28px 24px;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,var(--blue),transparent)}
.card svg{width:28px;height:28px;stroke:var(--blue);fill:none;stroke-width:1.6;margin-bottom:22px}
.card h3{margin-bottom:10px}
.card p{font-size:.93rem;margin:0;color:var(--gray)}
@media (max-width:1000px){.cards{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.cards{grid-template-columns:1fr}}

/* lifecycle */
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:s}
.flow li{position:relative;padding:76px 18px 0 0;counter-increment:s}
.flow li::before{content:counter(s);position:absolute;top:0;left:0;width:48px;height:48px;border:1px solid var(--blue);border-radius:50%;display:grid;place-items:center;font:500 .85rem var(--mono);color:var(--ice);background:var(--black);z-index:1}
.alt .flow li::before{background:var(--navy)}
.flow li::after{content:"";position:absolute;top:24px;left:48px;right:0;height:1px;background:var(--border)}
.flow li:last-child::after{display:none}
.flow h3{font:600 .8rem var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--ice);margin-bottom:10px}
.flow p{font-size:.9rem;margin:0}
@media (max-width:860px){
  .flow{grid-template-columns:1fr}
  .flow li{padding:0 0 32px 72px;min-height:80px}
  .flow li::after{top:48px;bottom:0;left:24px;right:auto;width:1px;height:auto}
}

/* two-col sections */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:start}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.pill{display:inline-block;font:500 .72rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--amber);border:1px solid rgba(244,185,66,.45);padding:6px 12px;border-radius:99px;margin-bottom:20px}

/* validation ladder */
.ladder{list-style:none;margin:0;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--slate);overflow:hidden;counter-reset:l}
.ladder li{counter-increment:l;display:grid;grid-template-columns:44px 1fr;align-items:center;padding:14px 20px;border-top:1px solid var(--border);color:var(--ice);font-size:.95rem}
.ladder li:first-child{border-top:0}
.ladder li::before{content:counter(l,decimal-leading-zero);font:500 .75rem var(--mono);color:var(--muted)}
.ladder li:last-child{background:rgba(53,198,139,.1);color:var(--green)}
.ladder li:last-child::before{color:var(--green)}

/* architecture */
.arch{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.arch>div{padding:28px 24px;background:var(--slate);border-right:1px solid var(--border);border-bottom:1px solid var(--border)}
.arch>div:nth-child(3n){border-right:0}
.arch>div:nth-child(n+4){border-bottom:0}
.arch h3{font:600 .8rem var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.arch p{margin:0;font-size:.92rem}
.arch small{display:block;margin-top:14px;font:400 .72rem var(--mono);color:var(--muted)}
@media (max-width:860px){.arch{grid-template-columns:1fr}.arch>div{border-right:0!important;border-bottom:1px solid var(--border)!important}.arch>div:last-child{border-bottom:0!important}}

/* lists */
.checks{list-style:none;margin:0;padding:0;display:grid;gap:0}
.checks li{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--border);color:var(--ice)}
.checks li:last-child{border-bottom:1px solid var(--border)}
.checks li::before{content:"";flex:none;width:8px;height:8px;margin-top:.55em;background:var(--blue);border-radius:50%}
.checks.two{grid-template-columns:1fr 1fr;column-gap:40px}
@media (max-width:700px){.checks.two{grid-template-columns:1fr}}
.manifest{background:var(--slate);border:1px solid var(--border);border-radius:8px;padding:26px;font:400 .85rem/2 var(--mono);color:var(--gray)}
.manifest span{color:var(--ice)}
.manifest b{color:var(--green);font-weight:500}
.path{font:500 .85rem/1.9 var(--mono);color:var(--gray);margin-top:26px;display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center}
.path i{font-style:normal;color:var(--blue)}

/* contact */
form{display:grid;gap:20px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:600px){.row{grid-template-columns:1fr}}
label{display:block;font:500 .85rem var(--sans);color:var(--ice);margin-bottom:8px}
input,select,textarea{width:100%;background:var(--black);color:var(--ice);border:1px solid #3a4f6b;border-radius:6px;padding:14px;font:400 1rem var(--sans);min-height:48px}
textarea{min-height:140px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid var(--cyan);outline-offset:1px;border-color:var(--cyan)}
.note{font-size:.85rem;color:var(--muted)}
.emails{list-style:none;padding:0;margin:28px 0 0;font:400 .88rem/2 var(--mono)}

/* footer */
footer{background:var(--navy);border-top:1px solid var(--border);padding:56px 0 36px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
@media (max-width:760px){.foot{grid-template-columns:1fr}}
footer h2{font:600 .72rem var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
footer a{text-decoration:none;color:var(--gray);font-size:.92rem}
footer a:hover{color:var(--ice)}
.legal{margin-top:44px;padding-top:24px;border-top:1px solid var(--border);font-size:.8rem;color:var(--muted);max-width:none}
.legal p{max-width:90ch}
.page{padding:80px 0}
.page h1{font-size:clamp(2rem,4vw,3rem);margin-bottom:12px}
.page h2{font-size:1.4rem;margin:36px 0 10px;max-width:none}
.draft{border:1px solid rgba(244,185,66,.5);background:rgba(244,185,66,.08);color:var(--amber);padding:14px 18px;border-radius:6px;font-size:.9rem;margin:20px 0 32px}