:root{
  --navy:#0B1A3F; --navy-2:#112453; --navy-3:#16306A; --line-dark:rgba(255,255,255,.09);
  --accent:#1A82FF; --accent-strong:#0F6FE6; --accent-hi:#64ADFF; --accent-ink:#0B64D8; --accent-soft:rgba(26,130,255,.12);
  --ink:#0B1222; --body:#3B4458; --muted:#667085; --bg:#FFFFFF; --bg-alt:#F4F6FA; --line:#E4E8F0;
  --radius:16px; --wrap:1160px;
  --font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{background:#0B1A3F;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--bg);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{color:var(--ink);line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
p{margin:0 0 1em}
a{color:inherit}
img,svg{display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent-strong);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:700;font-size:16px;text-decoration:none;padding:14px 24px;border-radius:999px;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-accent{background:var(--accent-strong);color:#fff;box-shadow:0 8px 24px -8px rgba(26,130,255,.65)}
.btn-accent:hover{box-shadow:0 12px 32px -8px rgba(26,130,255,.85)}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.06)}
.btn-sm{padding:9px 18px;font-size:14px}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,26,63,.94);backdrop-filter:saturate(140%) blur(12px);-webkit-backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--line-dark)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:inline-flex;align-items:center;text-decoration:none}
.brand img{height:38px;width:auto}
.brand-foot img{height:110px}
.nav-links{display:flex;gap:28px}
.nav-links a{color:rgba(255,255,255,.72);text-decoration:none;font-size:15px;font-weight:500}
.nav-links a:hover{color:#fff}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--navy);color:rgba(255,255,255,.78);padding:96px 0 112px}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at 70% 30%,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at 70% 30%,#000 20%,transparent 75%)}
.hero-glow{position:absolute;width:720px;height:720px;right:-180px;top:-260px;background:radial-gradient(circle,rgba(26,130,255,.26),transparent 62%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-hi);background:rgba(26,130,255,.14);border:1px solid rgba(26,130,255,.38);padding:6px 12px;border-radius:999px;margin-bottom:24px}
.hero h1{color:#fff;font-size:clamp(44px,6.4vw,80px);font-weight:800;letter-spacing:-.045em;line-height:1.02;margin-bottom:24px}
.accent{color:var(--accent)}
.lede{font-size:clamp(17px,1.6vw,20px);max-width:560px;margin-bottom:32px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.hero-tags{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.hero-tags li{font-size:13px;font-weight:500;color:rgba(255,255,255,.7);border:1px solid var(--line-dark);background:rgba(255,255,255,.03);padding:5px 12px;border-radius:999px}

.terminal{background:linear-gradient(180deg,#14295C,#0E1F4A);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);box-shadow:0 30px 80px -20px rgba(0,0,0,.6),0 0 0 1px rgba(26,130,255,.10);overflow:hidden}
.term-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line-dark);background:rgba(255,255,255,.02)}
.term-bar span{width:11px;height:11px;border-radius:50%;background:#1D3A70}
.term-bar span:first-child{background:#2B4C88}
.term-bar em{font-style:normal;font-family:var(--mono);font-size:12px;color:rgba(255,255,255,.4);margin-left:8px}
.terminal pre{margin:0;padding:22px 22px 26px;font-family:var(--mono);font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.82);white-space:pre-wrap;word-break:break-word}
.terminal .p{color:var(--accent-hi)} .terminal .f{color:#9DB2D9} .terminal .s{color:#F4C77B}
.terminal .ok{color:var(--accent-hi);font-weight:600}
.cursor{display:inline-block;width:8px;height:16px;background:var(--accent);vertical-align:-3px;animation:blink 1.1s steps(2,start) infinite}
@keyframes blink{to{visibility:hidden}}

/* Sections */
.section{padding:104px 0}
.section.alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:56px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.kicker{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:14px}
.section h2{font-size:clamp(30px,3.6vw,44px);font-weight:800;letter-spacing:-.035em}
.sub{font-size:19px;color:var(--body)}

.cards{display:grid;gap:20px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.card:hover{border-color:#CBD3E1;box-shadow:0 16px 40px -24px rgba(11,18,34,.25);transform:translateY(-2px)}
.card h3{font-size:20px;font-weight:700}
.card p{margin:0;font-size:16px}
.icon{width:44px;height:44px;border-radius:12px;background:var(--navy);display:grid;place-items:center;margin-bottom:20px}
.icon svg{width:22px;height:22px;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

.cards.services{grid-template-columns:repeat(3,1fr)}
.card.feature{grid-row:span 2;background:var(--navy);border-color:var(--navy);color:rgba(255,255,255,.78);position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;min-height:320px}
.card.feature::after{content:"";position:absolute;width:340px;height:340px;right:-120px;top:-120px;background:radial-gradient(circle,rgba(26,130,255,.38),transparent 65%)}
.card.feature h3{color:#fff;font-size:28px}
.card.feature p{font-size:17px}
.tag{position:absolute;top:28px;left:30px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--accent-strong);padding:5px 10px;border-radius:999px}

/* Steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px}
.step-num{display:inline-block;font-family:var(--mono);font-size:14px;font-weight:600;color:var(--accent-ink);background:var(--accent-soft);border-radius:8px;padding:4px 10px;margin-bottom:18px}
.step h3{font-size:22px;font-weight:800}
.step p{margin:0;font-size:16px}
.step:not(:last-child)::after{content:"";position:absolute;top:44px;right:-21px;width:22px;height:2px;background:linear-gradient(90deg,var(--accent),transparent)}

/* Audience */
.audience{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.aud{background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px}
.aud:last-child{background:var(--navy);border-color:var(--navy);color:rgba(255,255,255,.8)}
.aud:last-child h3{color:#fff}
.aud:last-child .aud-label{color:var(--accent-hi)}
.aud-label{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:12px}
.aud h3{font-size:24px;font-weight:800;margin-bottom:24px}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.checks li{position:relative;padding-left:34px;font-size:16.5px}
.checks li::before{content:"";position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:50%;background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B64D8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/14px no-repeat}
.aud:last-child .checks li::before,.engineers .checks li::before{background-color:rgba(26,130,255,.20);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364ADFF' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E")}

/* Why */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.why{padding:32px 32px 32px 0;border-bottom:1px solid var(--line)}
.why:not(:nth-child(3n+1)){padding-left:32px;border-left:1px solid var(--line)}
.why h3{font-size:19px;font-weight:700;display:flex;align-items:center;gap:10px}
.why h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);flex:none}
.why p{margin:0;font-size:16px}

/* Engineers */
.engineers{background:var(--navy-2);color:rgba(255,255,255,.78);position:relative;overflow:hidden}
.engineers::before{content:"";position:absolute;left:-200px;bottom:-300px;width:640px;height:640px;background:radial-gradient(circle,rgba(26,130,255,.20),transparent 62%)}
.engineers h2{color:#fff}
.engineers .kicker{color:var(--accent-hi)}
.engineers .sub{color:rgba(255,255,255,.75);margin-bottom:32px}
.eng-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.eng-list{background:rgba(255,255,255,.03);border:1px solid var(--line-dark);border-radius:20px;padding:36px;gap:18px}

/* FAQ */
.faq{display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 24px;transition:border-color .2s}
.faq details[open]{border-color:#C9D2E2;box-shadow:0 12px 30px -24px rgba(11,18,34,.3)}
.faq summary{cursor:pointer;list-style:none;font-weight:700;color:var(--ink);font-size:17.5px;padding:20px 32px 20px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:2px;top:50%;width:12px;height:12px;margin-top:-8px;border-right:2.5px solid var(--accent-ink);border-bottom:2.5px solid var(--accent-ink);transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.faq details p{margin:0 0 22px;font-size:16.5px}
.faq a{color:var(--accent-ink);font-weight:600}

/* CTA band */
.cta-band{background:var(--navy);padding:80px 0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 50% 120%,rgba(26,130,255,.32),transparent 60%)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(28px,3.4vw,42px);font-weight:800;letter-spacing:-.035em;margin:0;max-width:680px}

/* Footer */
.footer{background:#08132F;color:rgba(255,255,255,.6);padding:56px 0 28px;font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid var(--line-dark)}
.foot-note{margin:14px 0 0}
.foot-links{display:grid;gap:10px;align-content:start}
.foot-links a,.foot-contact a{color:rgba(255,255,255,.75);text-decoration:none}
.foot-links a:hover,.foot-contact a:hover{color:var(--accent-hi)}
.foot-h{color:#fff;font-weight:600;margin-bottom:10px}
.foot-bottom{padding-top:24px}
.foot-bottom p{margin:0;font-size:14px}

/* Responsive */
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .terminal{max-width:640px}
  .steps{grid-template-columns:1fr 1fr}
  .step::after{display:none}
  .cards.services{grid-template-columns:1fr 1fr}
  .card.feature{grid-row:auto;grid-column:span 2;min-height:240px}
  .why-grid{grid-template-columns:1fr 1fr}
  .why,.why:not(:nth-child(3n+1)){padding:28px 28px 28px 0;border-left:0}
  .why:nth-child(even){padding-left:28px;border-left:1px solid var(--line)}
  .eng-grid{grid-template-columns:1fr;gap:40px}
}
@media (max-width:860px){
  .nav-links{display:none}
}
@media (max-width:680px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .nav-inner{height:60px}
  .brand img{height:34px}
  .brand-foot img{height:96px}
  .hero{padding:64px 0 72px}
  .section{padding:72px 0}
  .section-head{margin-bottom:36px}
  .sub{font-size:17px}
  .cards.three,.cards.services,.steps,.audience,.why-grid{grid-template-columns:1fr}
  .card.feature{grid-column:auto}
  .why,.why:not(:nth-child(3n+1)),.why:nth-child(even){padding:24px 0;border-left:0}
  .aud{padding:30px 24px}
  .eng-list{padding:28px 22px}
  .terminal pre{font-size:12px;padding:18px}
  .cta-row .btn{flex:1 1 auto;justify-content:center}
  .cta-band{padding:64px 0}
  .foot-grid{grid-template-columns:1fr;gap:28px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}
@media (max-width:1020px){
  .card.feature{justify-content:flex-start;min-height:0}
  .card.feature .tag{position:relative;top:auto;left:auto;align-self:flex-start;margin-bottom:20px}
}
@media (max-width:680px){
  .eyebrow{font-size:11.5px;letter-spacing:.06em}
  .foot-grid{padding-bottom:28px}
}