:root{--navy:#081523;--navy2:#101f30;--blue:#36a4f8;--ink:#152235;--muted:#607185;--bg:#f3f6fa}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:white;line-height:1.55}a{color:inherit;text-decoration:none}.top{display:flex;justify-content:space-between;align-items:center;padding:18px max(5%,calc((100% - 1200px)/2));background:#071422;color:white;position:sticky;top:0;z-index:10;border-bottom:1px solid #273a50}.brand{display:flex;align-items:center;gap:13px;font-weight:800;line-height:1.18;font-size:15px}.brand small{font-size:12px;color:#a5bdd0}.mark{font-size:29px;font-weight:900;letter-spacing:-2px}.mark span,.big span,.accent{color:var(--blue)}nav{display:flex;align-items:center;gap:29px;font-size:14px;font-weight:bold}nav a:hover,.inline:hover{color:var(--blue)}.navcta{background:var(--blue);color:#071422;padding:12px 17px;border-radius:7px}#menu{display:none;background:none;border:0;color:white;font-size:27px}.hero{background:radial-gradient(circle at 77% 48%,#183958 0,#0a1b2d 38%,#071421 76%);color:white;min-height:610px;display:grid;grid-template-columns:1.3fr .7fr;align-items:center;padding:75px max(5%,calc((100% - 1200px)/2));overflow:hidden}.eyebrow{font-size:12px;font-weight:800;letter-spacing:3px;color:#66bafa}.hero h1{font-size:clamp(43px,5vw,72px);line-height:1.08;letter-spacing:-2.8px;margin:20px 0 24px}.hero h1 em{font-style:normal;color:#58b5fc}.hero p{max-width:580px;color:#bed0df;font-size:18px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{border:0;border-radius:7px;display:inline-block;padding:14px 22px;font-weight:800;font-size:14px;cursor:pointer}.primary{background:#39aaff;color:#061627}.secondary{border:1px solid #647e95;color:white}.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:60px}.chips span{font-size:11px;letter-spacing:1px;border:1px solid #3d5970;border-radius:30px;padding:7px 12px;color:#bbd4e8}.hero-art{height:380px;position:relative;display:grid;place-items:center}.orbit{position:absolute;width:360px;height:360px;border:1px solid #315d7e;border-radius:50%;box-shadow:0 0 0 38px #102a4144,0 0 0 75px #102a4129}.big{font-size:clamp(90px,12vw,180px);font-weight:900;letter-spacing:-15px;z-index:1;color:#eaf5ff;text-shadow:0 0 60px #4baaff55}.tag{position:absolute;bottom:8px;font-size:11px;letter-spacing:3px;color:#87b6d8}.section{padding:85px max(5%,calc((100% - 1200px)/2))}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}.section-head p{color:var(--muted);max-width:300px}.blue{color:#1685d9}h2{font-size:clamp(32px,4vw,48px);letter-spacing:-1.5px;line-height:1.1;margin:12px 0 22px}h3{font-size:19px;margin:14px 0 8px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service{background:var(--bg);border:1px solid #e2e9f0;padding:28px;border-radius:12px;min-height:235px}.service p,.cta p,.contact p{color:var(--muted)}.symbol{width:44px;height:44px;border-radius:10px;background:#dcefff;color:#097dc8;display:grid;place-items:center;font-size:23px}.inline{color:#087fcf;font-weight:800}.dark{background:#0c2034;color:white}.dark p{max-width:750px;color:#b6c9d9;font-size:18px}.stats{display:flex;gap:60px;flex-wrap:wrap;margin-top:45px}.stats div{max-width:220px}.stats strong{display:block;font-size:40px;color:#62baff}.stats span{display:block;color:#bed0df;font-size:13px}.cta{background:#eaf4fc;display:flex;justify-content:space-between;align-items:center;gap:25px}.contact{display:grid;grid-template-columns:1fr 1fr;gap:60px}.contact-panel{background:#f3f6fa;border-radius:14px;padding:30px}.contact-panel p{font-size:14px}.contact-panel label{display:block;font-size:13px;font-weight:bold;margin:14px 0}input,textarea{width:100%;padding:12px;border:1px solid #cbd6e1;border-radius:6px;font:inherit;margin-top:6px}footer{background:#071422;color:#a9bed0;padding:35px 5%;display:flex;justify-content:space-between;gap:25px;font-size:13px}footer strong{font-size:28px;color:white}footer p{margin:2px 0}@media(max-width:850px){#menu{display:block}nav{display:none;position:absolute;top:70px;left:0;right:0;background:#071422;padding:20px;flex-direction:column;align-items:stretch}nav.open{display:flex}.hero{grid-template-columns:1fr;padding-top:65px}.hero-art{height:230px}.orbit{width:190px;height:190px}.big{font-size:95px;letter-spacing:-8px}.chips{margin-top:35px}.cards{grid-template-columns:repeat(2,1fr)}.contact{gap:25px}}@media(max-width:570px){.top{padding:13px 5%}.hero{padding-bottom:45px;min-height:0}.hero h1{letter-spacing:-1.5px}.hero-art{display:none}.section{padding-top:55px;padding-bottom:55px}.section-head,.cta,footer{display:block}.cards,.contact{grid-template-columns:1fr}.stats{gap:24px}.cta .btn{margin-top:15px}}

/* Stage 2 secondary pages */
.inner-hero{background:linear-gradient(130deg,#071421,#173a59);color:#fff;padding:75px max(5%,calc((100% - 1100px)/2)) 65px}.inner-hero h1{font-size:clamp(36px,5vw,60px);line-height:1.1;margin:14px 0}.inner-hero p{max-width:720px;color:#c7d9e8;font-size:18px}.inner-main{max-width:1100px;margin:auto;padding:55px 5% 80px}.two-col{display:grid;grid-template-columns:1.35fr .8fr;gap:35px}.form-card,.info-card{background:#f3f6fa;border:1px solid #dce5ee;border-radius:12px;padding:28px}.form-card label{display:block;font-weight:700;margin:0 0 16px}.form-card input,.form-card select,.form-card textarea{display:block;width:100%;margin-top:7px;padding:13px;border:1px solid #b9c9d8;border-radius:7px;font:inherit;background:#fff}.form-card textarea{resize:vertical}.fineprint{font-size:13px;color:#526578}.status{padding:12px 14px;border-left:4px solid #39aaff;background:#e9f4fc;margin:15px 0}.info-card h2{margin-top:0}.info-card a{text-decoration:underline}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:30px 0}.feature-grid article{background:#f3f6fa;padding:23px;border-radius:10px}.feature-grid h3{margin:0 0 9px}.backlink{display:inline-block;margin-top:20px;color:#39aaff;font-weight:bold}@media(max-width:760px){.two-col,.feature-grid{grid-template-columns:1fr}.inner-hero{padding:50px 6%}.inner-main{padding:35px 6% 65px}}

/* Stage 3 demonstration queue */
.demo-toolbar,.demo-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:20px 0}.demo-card{background:#f3f6fa;border:1px solid #dce5ee;border-radius:12px;padding:22px;margin:15px 0;overflow-wrap:anywhere}.demo-card p{margin:7px 0}.demo-card h3{margin:0 0 14px}.demo-toolbar .btn,.demo-actions .btn{cursor:pointer}.demo-actions .btn:disabled{opacity:.5;cursor:default}#booking-feedback{font-weight:700;color:#17623b}

/* SAE branded header logo */
.brand-logo{width:112px;height:auto;max-height:70px;object-fit:contain;flex-shrink:0;display:block}
@media(max-width:600px){.brand-logo{width:78px;max-height:50px}.brand{gap:8px}}