:root{
  --navy:#061a2c;
  --navy2:#0b2740;
  --blue:#1779b8;
  --cyan:#37b6d7;
  --ice:#eaf6fa;
  --paper:#f7fafb;
  --ink:#10202c;
  --muted:#5d6c76;
  --line:#dbe6ea;
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.shell{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:fixed;z-index:50;top:0;left:0;right:0;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(15,44,65,.08)}
.nav-wrap{width:min(1240px,calc(100% - 34px));height:78px;margin:auto;display:flex;align-items:center;justify-content:space-between}
.brand img{width:190px;height:auto}
.nav{display:flex;gap:27px;align-items:center;font-size:14px;font-weight:600}
.nav a{transition:.2s}
.nav a:hover{color:var(--blue)}
.nav-cta{border:1px solid var(--navy);padding:10px 17px;border-radius:999px}
.menu-btn{display:none;background:none;border:0;font-size:25px}
.hero{min-height:860px;background:var(--navy);color:#fff;position:relative;display:flex;align-items:center;padding-top:80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:
 linear-gradient(90deg,rgba(4,21,35,.97) 0%,rgba(4,21,35,.90) 43%,rgba(4,21,35,.33) 72%,rgba(4,21,35,.55) 100%),
 url('assets/vessel-on-water.png') center/cover no-repeat}
.hero-bg:after{content:"";position:absolute;inset:auto -10% -38% 35%;height:630px;border-radius:50%;background:radial-gradient(circle,rgba(55,182,215,.26),transparent 68%)}
.hero-content{position:relative;z-index:2;padding:92px 0 56px}
.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:800;color:#72d4ec;margin-bottom:20px}
.eyebrow.dark{color:var(--blue)}
h1,h2,h3{font-family:"Space Grotesk",Inter,sans-serif;line-height:1.05;margin:0}
h1{font-size:clamp(56px,7vw,96px);max-width:900px;letter-spacing:-.045em}
h1 span{color:#6fd0e7}
.hero-copy{max-width:700px;font-size:20px;color:#d6e2e8;margin:28px 0 34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;justify-content:center;align-items:center;border-radius:999px;padding:14px 22px;font-weight:700;border:1px solid transparent;cursor:pointer;font:inherit}
.btn.primary{background:#45c1dc;color:#041721}
.btn.primary:hover{background:#71d4e8}
.btn.ghost{border-color:rgba(255,255,255,.4);color:#fff}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:86px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.13)}
.hero-stats div{padding:22px;background:rgba(4,22,36,.65);backdrop-filter:blur(8px)}
.hero-stats strong{display:block;font-size:17px}
.hero-stats span{display:block;color:#aebfca;font-size:13px;margin-top:3px}
.section{padding:110px 0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:78px;align-items:center}
h2{font-size:clamp(38px,4.6vw,62px);letter-spacing:-.035em}
.section p{color:var(--muted);font-size:17px}
.problem{background:var(--paper)}
.comparison{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.compare-card{padding:28px;border-radius:18px;min-height:300px;display:flex;flex-direction:column;justify-content:flex-end}
.compare-card .number{font-family:"Space Grotesk";font-weight:700;margin-bottom:auto}
.compare-card h3{font-size:24px;margin-bottom:12px}
.compare-card p{font-size:14px;margin:0}
.compare-card.muted{background:#e8eff2}
.compare-card.bright{background:var(--navy);color:#fff}
.compare-card.bright p{color:#c2d0d8}
.tech{background:var(--navy);color:#fff}
.section-head{text-align:center;max-width:850px;margin:0 auto 55px}
.section-head.left{text-align:left;margin-left:0}
.section-head p{color:#aabcc7}
.device-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:26px;align-items:stretch}
.device-image img{width:100%;height:100%;min-height:540px;object-fit:cover;border-radius:22px}
.feature-list{display:grid;gap:12px}
.feature-list article{display:flex;gap:20px;padding:22px 24px;border:1px solid rgba(255,255,255,.12);border-radius:16px;background:rgba(255,255,255,.04)}
.feature-list span{font-weight:800;color:#4ec7e1}
.feature-list h3{font-size:20px;margin-bottom:5px}
.feature-list p{color:#aabcc7;font-size:14px;margin:0}
.sensor-band{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.sensor-band div{border:1px solid rgba(255,255,255,.14);padding:10px 14px;border-radius:999px;color:#d3e4eb;font-size:13px}
.fine-print{font-size:12px!important;color:#8296a3!important}
.platform{background:#071f34;color:#fff;overflow:hidden}
.platform-grid{gap:65px}
.screen-stack{position:relative;padding:0 40px 55px 0}
.screen-main{border-radius:15px;border:1px solid rgba(255,255,255,.13);box-shadow:0 30px 70px rgba(0,0,0,.35)}
.screen-float{position:absolute;width:60%;right:0;bottom:0;border-radius:10px;border:1px solid rgba(255,255,255,.16);box-shadow:0 18px 50px rgba(0,0,0,.4)}
.platform-copy p{color:#b8c7d0}
.check-list{list-style:none;padding:0;margin:26px 0 0}
.check-list li{padding:10px 0 10px 30px;border-bottom:1px solid rgba(255,255,255,.1);position:relative}
.check-list li:before{content:"✓";position:absolute;left:0;color:#54c8df;font-weight:800}
.industries{background:#fff}
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.industry-grid article{border:1px solid var(--line);border-radius:16px;padding:28px;min-height:300px;background:#fff;transition:.2s}
.industry-grid article:hover{transform:translateY(-5px);box-shadow:0 18px 35px rgba(9,37,55,.08)}
.industry-grid span{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--blue);font-weight:800}
.industry-grid h3{font-size:23px;margin:56px 0 12px}
.industry-grid p{font-size:14px}
.testing{background:#f2f7f9}
.gallery{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:1fr 1fr;gap:16px}
.gallery figure{margin:0;position:relative;border-radius:18px;overflow:hidden;min-height:250px}
.gallery .large{grid-row:1/3;min-height:520px}
.gallery img{width:100%;height:100%;object-fit:cover}
.gallery figcaption{position:absolute;left:18px;bottom:17px;color:#fff;background:rgba(3,24,39,.78);padding:8px 12px;border-radius:999px;font-size:12px;font-weight:700}
.research{background:#071f34;color:#fff}
.research-grid{align-items:center}
.research-image img{border-radius:18px;background:#fff}
.research p{color:#b9c8d1}
.research-note{border-left:3px solid #4dc8e1;background:rgba(255,255,255,.05);padding:18px 20px;margin-top:28px}
.research-note p{font-size:14px;margin:5px 0 0}
.about{background:#fff}
.contact{background:linear-gradient(135deg,#061a2c,#0a3652);color:#fff}
.contact-card{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.contact-card p{color:#b8c8d1}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.contact-form label{display:flex;flex-direction:column;font-size:12px;font-weight:700;letter-spacing:.04em;color:#d6e6ed}
.contact-form label:nth-child(4){grid-column:1/-1}
input,textarea{margin-top:7px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:10px;color:#fff;padding:13px 14px;font:inherit;outline:none}
input:focus,textarea:focus{border-color:#58cae1}
.contact-form button{justify-self:start}
.form-note{grid-column:1/-1;font-size:11px!important;margin:0}
footer{background:#03111d;color:#dbe7ec;padding:58px 0 25px}
.footer-grid{display:grid;grid-template-columns:260px 1fr auto;gap:50px;align-items:center}
.footer-brand img{width:210px;background:#fff;padding:8px;border-radius:8px}
footer p{color:#8297a4;font-size:13px;max-width:450px}
.footer-links{display:flex;gap:22px;font-size:13px}
.copyright{border-top:1px solid rgba(255,255,255,.09);margin-top:38px;padding-top:22px;font-size:11px;color:#6d8491}
@media(max-width:900px){
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;padding:22px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}.menu-btn{display:block}
  .grid-2,.device-grid,.contact-card{grid-template-columns:1fr;gap:42px}
  .hero{min-height:auto;padding-top:78px}
  .hero-content{padding:90px 0 45px}
  .hero-stats{grid-template-columns:1fr 1fr;margin-top:60px}
  .industry-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  .shell{width:min(100% - 28px,1180px)}
  .section{padding:78px 0}
  h1{font-size:50px}
  .hero-copy{font-size:17px}
  .comparison,.industry-grid,.gallery,.contact-form{grid-template-columns:1fr}
  .gallery{grid-template-rows:auto}.gallery .large{grid-row:auto;min-height:340px}
  .gallery figure{min-height:260px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .contact-form label:nth-child(4){grid-column:auto}
  .form-note{grid-column:auto}
}