:root{
  --ink:#0A2540;        /* deep steel navy */
  --ink-2:#11324F;
  --ice:#1E88E5;        /* electric/ice blue accent */
  --ice-bright:#56D0FF;
  --glacier:#E8F1FA;    /* glacier white-blue */
  --steel:#5E7790;      /* steel grey */
  --paper:#FFFFFF;
  --tint:#F2F7FC;
  --line:#E2EAF2;
  --dark:#0B1C2E;
  --dark-2:#102A45;
  --maxw:1140px;
  --r:14px;
  --shadow:0 18px 50px -22px rgba(10,37,64,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;line-height:1.12;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(2.1rem,5.2vw,4rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.6vw,2.7rem);font-weight:700;margin-bottom:.4em}
h3{font-size:1.18rem;font-weight:600}
p{color:#3C536B}
a{color:var(--ice);text-decoration:none}
.accent{color:var(--ice)}
.eyebrow{display:inline-block;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ice);margin-bottom:1rem}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;background:var(--ice);color:#fff;font-weight:600;font-size:.95rem;padding:.7em 1.3em;border-radius:10px;border:1.5px solid var(--ice);cursor:pointer;transition:.18s;font-family:'Inter',sans-serif}
.btn:hover{background:#1670c4;border-color:#1670c4;transform:translateY(-1px)}
.btn-lg{padding:.92em 1.7em;font-size:1.02rem}
.btn-sm{padding:.5em 1em;font-size:.88rem}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--tint);border-color:var(--steel);color:var(--ink)}
.btn-block{width:100%}
.section-dark .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:.6em}
.brand-mark{flex:none}
.brand-text{font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:1.18rem;color:var(--ink);letter-spacing:-.01em}
.brand-text strong{font-weight:700}
.brand-text.light{color:#fff}
.nav-links{display:flex;align-items:center;gap:1.7rem}
.nav-links a{color:var(--ink);font-weight:500;font-size:.95rem}
.nav-links a:not(.btn):hover{color:var(--ice)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px}

/* hero */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--dark)}
.hero-scene{position:absolute;inset:0;z-index:0}
.hero-svg{width:100%;height:100%;display:block}
.hero-content{position:relative;z-index:2;padding:clamp(3.5rem,9vw,7rem) 24px clamp(4rem,9vw,7rem)}
.hero .eyebrow{color:var(--ice-bright)}
.hero h1{color:#fff;max-width:16ch}
.hero .accent{color:var(--ice-bright)}
.lede{font-size:clamp(1.05rem,1.5vw,1.25rem);max-width:60ch;margin:1.3rem 0 0;color:#C9D8E6}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2rem}
.hero-stats{display:flex;gap:2.4rem;flex-wrap:wrap;margin-top:3rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.14)}
.hero-stats strong{display:block;font-family:'Space Grotesk',sans-serif;font-size:2rem;color:#fff}
.hero-stats span{font-size:.9rem;color:#9FB6CC}
.robot{animation:crawl 14s linear infinite}
@keyframes crawl{
  0%{transform:translate(250px,372px)}
  50%{transform:translate(715px,455px)}
  100%{transform:translate(1180px,312px)}
}
@media(prefers-reduced-motion:reduce){.robot{animation:none;transform:translate(715px,455px)}}

/* strip */
.strip{background:var(--ink);color:#fff;padding:1.6rem 0}
.strip-label{color:#A9C0D6;font-size:.9rem;text-align:center;margin-bottom:.8rem}
.strip-regions{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap;font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:.98rem;color:#E8F1FA}

/* sections */
.section{padding:clamp(3.5rem,8vw,6.5rem) 0}
.section-tint{background:var(--tint)}
.section-dark{background:var(--dark);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:#C2D2E2}
.lede-dark{font-size:1.15rem;color:#C9D8E6;margin:1rem 0 1.6rem;max-width:52ch}

/* cards */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.4rem}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:1.8rem;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f0}
.card-ico{font-size:1.9rem;margin-bottom:.7rem}
.card h3{margin-bottom:.5rem}
.card p{font-size:.97rem}

/* grids */
.grid-2{display:grid;grid-template-columns:1.05fr .95fr;gap:3.2rem;align-items:center}
.grid-2-mid{align-items:center}
.feature-list{list-style:none;margin:0 0 1.8rem}
.feature-list li{padding:.6rem 0 .6rem 1.7rem;position:relative;color:#C2D2E2;border-bottom:1px solid rgba(255,255,255,.08)}
.feature-list li::before{content:"";position:absolute;left:0;top:1.15rem;width:9px;height:9px;background:var(--ice-bright);border-radius:2px;transform:rotate(45deg)}
.feature-list strong{color:#fff;font-weight:600}

/* solution diagram */
.solution-visual{background:linear-gradient(160deg,#0F2c46,#0a2034);border:1px solid rgba(86,208,255,.22);border-radius:var(--r);padding:1.4rem;box-shadow:var(--shadow)}
.diagram{width:100%;height:auto;display:block}
.solution-photo{width:100%;height:auto;display:block;border-radius:10px}
.diagram-cap{text-align:center;color:#7FA0BC;font-family:'Space Grotesk',sans-serif;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-top:.6rem}

/* video */
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem;margin-top:2.4rem}
.video-card{margin:0}
.video-frame{position:relative;padding-top:56.25%;border-radius:var(--r);overflow:hidden;border:1px solid rgba(86,208,255,.22);background:#000;box-shadow:var(--shadow)}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%}
.video-card figcaption{margin-top:.8rem;color:#A9C0D6;font-size:.92rem;text-align:center}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;margin-top:2.4rem}
.step{padding:1.6rem;border-radius:var(--r);background:var(--tint);border:1px solid var(--line)}
.step-n{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.5rem;color:var(--ice);opacity:.5}
.step h3{margin:.5rem 0 .4rem}
.step p{font-size:.93rem}

/* compare table */
.table-wrap{margin-top:2.2rem;overflow-x:auto;border-radius:var(--r);border:1px solid var(--line)}
.compare{width:100%;border-collapse:collapse;min-width:680px;background:#fff}
.compare th,.compare td{padding:1rem 1.2rem;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem}
.compare thead th{font-family:'Space Grotesk',sans-serif;font-size:1rem;color:var(--ink);background:#fff}
.compare td:first-child{font-weight:600;color:var(--ink);background:var(--tint)}
.compare .hl{background:rgba(30,136,229,.07)}
.compare thead .hl{color:var(--ice);border-bottom:2px solid var(--ice)}
.compare tbody .hl{font-weight:600;color:var(--ink)}

/* specs */
.specs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);overflow:hidden;margin-top:2.2rem}
.spec{background:var(--dark-2);padding:1.5rem}
.spec-k{display:block;font-family:'Space Grotesk',sans-serif;color:var(--ice-bright);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.5rem}
.spec-v{color:#E8F1FA;font-size:1rem}
.note{margin-top:1.6rem;color:#A9C0D6}

/* who */
.who-list{list-style:none;display:grid;gap:.7rem}
.who-list li{padding:1rem 1.3rem;background:var(--tint);border:1px solid var(--line);border-radius:10px;font-family:'Space Grotesk',sans-serif;font-weight:500;color:var(--ink);position:relative;padding-left:2.6rem}
.who-list li::before{content:"▸";position:absolute;left:1.2rem;color:var(--ice)}

/* CTA */
.section-cta{background:linear-gradient(165deg,var(--ink),var(--dark));color:#fff}
.cta-card{display:grid;grid-template-columns:1fr 1.1fr;gap:3rem;align-items:start}
.cta-copy .eyebrow{color:var(--ice-bright)}
.cta-copy h2{color:#fff}
.cta-copy p{color:#C2D2E2;margin-top:.8rem}
.cta-direct a{color:var(--ice-bright);font-weight:600}
.cta-form{background:#fff;border-radius:var(--r);padding:1.8rem;box-shadow:var(--shadow)}
.cta-form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.cta-form label{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:1rem}
.cta-form input,.cta-form textarea{width:100%;margin-top:.35rem;padding:.7rem .8rem;border:1px solid var(--line);border-radius:9px;font-family:inherit;font-size:.95rem;font-weight:400;color:var(--ink);background:#fff}
.cta-form input:focus,.cta-form textarea:focus{outline:none;border-color:var(--ice);box-shadow:0 0 0 3px rgba(30,136,229,.15)}
.form-fine{font-size:.78rem;color:#8499ad;margin-top:.8rem;font-weight:400}
.form-status{font-size:.9rem;margin-top:.6rem;font-weight:600}
.form-status.ok{color:#1f9d55}
.form-status.err{color:#d23f3f}

/* footer */
.footer{background:#081523;color:#A9C0D6;padding:3.5rem 0 1.5rem}
.footer-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:2rem}
.footer-brand{display:flex;flex-direction:column;gap:.5rem;max-width:34ch}
.footer-brand .brand-text{font-size:1.15rem}
.footer-brand p{color:#7FA0BC;font-size:.92rem;margin-top:.3rem}
.footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.footer-cols h4{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.8rem}
.footer-cols a{display:block;color:#A9C0D6;font-size:.93rem;margin-bottom:.5rem}
.footer-cols a:hover{color:var(--ice-bright)}
.footer-bottom{display:flex;justify-content:space-between;margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.08);font-size:.84rem;color:#5E7790;flex-wrap:wrap;gap:.5rem}

/* responsive */
@media(max-width:860px){
  .nav-links{position:fixed;inset:68px 0 auto;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:1.2rem 24px;gap:1rem;transform:translateY(-130%);transition:.25s;align-items:stretch}
  .nav-links.open{transform:translateY(0)}
  .nav-toggle{display:flex}
  .cards-3,.steps,.specs-grid,.grid-2,.cta-card,.footer-inner,.video-grid{grid-template-columns:1fr}
  .specs-grid{gap:1px}
  .grid-2{gap:2rem}
  .cta-form .row{grid-template-columns:1fr}
  .hero-stats{gap:1.5rem}
}
@media(max-width:520px){
  .footer-cols{grid-template-columns:1fr}
  .hero-stats strong{font-size:1.6rem}
}