:root{
  --navy:#071b2b;
  --navy2:#0c2638;
  --yellow:#f5a900;
  --yellow2:#ffbd2e;
  --ink:#12212c;
  --muted:#66747d;
  --light:#f5f7f8;
  --white:#fff;
  --line:#e4e9ec;
  --radius:22px;
  --shadow:0 18px 50px rgba(7,27,43,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,233,236,.9)}
.nav{height:86px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.logo{width:158px;height:68px;object-fit:contain;object-position:center}
.nav-links{display:flex;align-items:center;gap:28px;font-size:.88rem;font-weight:800}
.nav-links a{position:relative}
.nav-links a:after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:2px;background:var(--yellow);transition:.25s}
.nav-links a:hover:after,.nav-links a.active:after{width:100%}
.menu{display:none;background:none;border:0;font-size:28px;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;padding:14px 22px;font-weight:900;letter-spacing:.02em;cursor:pointer;transition:.2s}
.btn-primary{background:var(--yellow);color:var(--navy)}
.btn-primary:hover{background:var(--yellow2);transform:translateY(-2px)}
.btn-dark{background:var(--navy);color:#fff}
.btn-outline{background:#fff;color:var(--navy);border:1.5px solid var(--navy)}
.hero{min-height:650px;display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:20px;overflow:hidden}
.hero-copy{padding:80px 0}
.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--yellow);font-weight:900;letter-spacing:.13em;text-transform:uppercase;font-size:.8rem}
.eyebrow:before{content:"";width:28px;height:3px;background:var(--yellow)}
h1{font-size:clamp(3rem,6vw,5.4rem);line-height:.98;letter-spacing:-.055em;margin:18px 0 25px;color:var(--navy)}
h1 span,.accent{color:var(--yellow)}
.hero-copy>p{font-size:1.16rem;max-width:590px;color:#45545d}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-visual{min-height:600px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f7fafb 0%,#fff 55%,#edf3f5 100%);border-radius:0 0 0 100px;position:relative}
.hero-visual:before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(245,169,0,.12);right:10%;top:12%}
.hero-visual img{width:92%;position:relative;z-index:1}
.section{padding:92px 0}
.section-dark{background:var(--navy);color:#fff}
.section-title{text-align:center;max-width:760px;margin:0 auto 48px}
.section-title h2{font-size:clamp(2.1rem,4vw,3.4rem);line-height:1.05;letter-spacing:-.04em;margin:0 0 14px}
.section-title p{color:var(--muted);margin:0}
.section-dark .section-title p{color:#b8c3ca}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{padding:30px 24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 10px 30px rgba(7,27,43,.04)}
.feature-icon{width:50px;height:50px;border-radius:14px;background:rgba(245,169,0,.14);color:var(--yellow);display:grid;place-items:center;font-size:23px;font-weight:900;margin-bottom:18px}
.feature h3{margin:0 0 8px;color:var(--navy);font-size:1.15rem}
.feature p{margin:0;color:var(--muted);font-size:.94rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.split h2{font-size:clamp(2.2rem,4vw,3.6rem);line-height:1.05;letter-spacing:-.04em;margin:0 0 20px}
.split p{color:var(--muted)}
.callout{margin-top:28px;font-size:1.1rem;font-weight:900;color:var(--navy)}
.panel-card{background:#f5f7f8;border-radius:var(--radius);padding:35px;min-height:420px;display:flex;align-items:center;justify-content:center}
.panel-card img{width:100%}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:45px}
.stat{padding:26px;border-left:3px solid var(--yellow)}
.stat strong{display:block;font-size:2rem;color:var(--navy)}
.stat span{color:var(--muted)}
.cta{background:var(--navy);color:#fff;padding:70px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.05;margin:0 0 10px}
.cta p{margin:0;color:#bdc8cf}
.footer{background:#04131f;color:#b8c3ca;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}
.footer .logo{filter:none}
.footer h4{color:#fff;margin:0 0 12px}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;font-size:.82rem;display:flex;justify-content:space-between;gap:20px}
.page-hero{padding:80px 0 60px;background:linear-gradient(135deg,#f5f8fa,#fff)}
.breadcrumb{font-size:.82rem;font-weight:800;color:var(--muted);margin-bottom:20px}
.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.product-grid h1{font-size:clamp(2.8rem,5vw,4.8rem)}
.check-list{list-style:none;padding:0;margin:25px 0;display:grid;gap:13px}
.check-list li{display:flex;gap:12px;align-items:flex-start}
.check-list li:before{content:"✓";display:grid;place-items:center;min-width:25px;height:25px;border-radius:50%;background:var(--yellow);color:var(--navy);font-weight:1000}
.contact-box{background:var(--navy);color:#fff;border-radius:var(--radius);padding:45px}
.contact-box h2{margin-top:0;font-size:2rem}
.contact-box a{color:var(--yellow);font-weight:900}
.warranty{display:inline-flex;gap:10px;align-items:center;padding:12px 16px;background:rgba(245,169,0,.12);color:var(--yellow);font-weight:900;border-radius:8px;margin-top:20px}
@media(max-width:900px){
  .nav-links{position:absolute;top:86px;left:0;right:0;background:#fff;display:none;flex-direction:column;padding:25px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}.menu{display:block}.nav>.btn{display:none}
  .hero,.split,.product-grid{grid-template-columns:1fr}
  .hero-copy{padding:65px 0 30px}.hero-visual{min-height:430px;border-radius:0 0 0 70px}
  .grid-6{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.cta-inner{flex-direction:column;align-items:flex-start}
}
@media(max-width:600px){
  .container{width:min(100% - 28px,1160px)}
  .nav{height:76px}.logo{width:140px;height:60px}.nav-links{top:76px}
  .hero{min-height:auto}.hero-copy{padding:50px 0 20px}h1{font-size:3rem}
  .hero-visual{min-height:330px;border-radius:0 0 0 45px}.section{padding:65px 0}
  .grid-6,.stats,.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}
  .actions .btn{width:100%}.split{gap:35px}.panel-card{padding:18px;min-height:280px}
}

.hero-video {
    width: 100%;
    height: 100%;
    max-height: 560px;
    object-fit: cover;
    border-radius: 18px;
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 50px rgba(0, 31, 69, 0.18);
}

.product-video {
    width: 100%;
    max-height: 430px;
    object-fit: cover;
    border-radius: 14px;
}

@media (max-width: 900px) {

    .hero-video {
        max-height: 430px;
    }

    .product-video {
        max-height: 350px;
    }

}

@media (max-width: 600px) {

    .hero-video {
        max-height: 320px;
        border-radius: 12px;
    }

    .product-video {
        max-height: 280px;
    }

}