:root{
  --navy:#16253c;
  --navy-2:#1d3552;
  --orange:#c76835;
  --orange-2:#e37a42;
  --text:#1d2330;
  --muted:#5f6775;
  --line:#e7e4df;
  --soft:#f7f5f1;
  --white:#ffffff;
  --shadow:0 16px 40px rgba(20,30,45,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.6;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1200px,92vw);margin:auto}
.topbar{
  background:var(--navy);
  color:#fff;
  font-size:13px;
}
.topbar .container{
  display:flex;justify-content:space-between;gap:18px;padding:9px 0;flex-wrap:wrap;
}
.topbar strong{font-weight:800}
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.header-row{
  display:grid;
  grid-template-columns:1.2fr auto auto;
  gap:18px;
  align-items:center;
  min-height:112px;
}
.logo img{width:420px;max-width:100%}
.nav{display:flex;gap:24px;align-items:center;font-weight:800;font-size:14px}
.nav a{padding:8px 0;position:relative}
.nav a:hover{color:var(--orange)}
.nav a:hover:after,.nav a.active:after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:3px;background:var(--orange);
}
.header-phone{
  background:var(--navy);
  color:#fff;
  border-radius:0;
  padding:20px 22px;
  min-width:250px;
  text-align:left;
}
.header-phone .num{font-size:20px;font-weight:900}
.header-phone .sub{font-size:13px;opacity:.95}
.hero{
  min-height:620px;
  background:
    linear-gradient(90deg,rgba(22,37,60,.86) 0%,rgba(22,37,60,.78) 34%,rgba(22,37,60,.30) 58%,rgba(22,37,60,.18) 100%),
    url("assets/images/realisation-05.jpg") center center / cover no-repeat;
  color:#fff;
  display:flex;
  align-items:center;
}
.hero-panel{
  max-width:560px;
  padding:72px 0 66px;
}
.hero h1{
  font-size:clamp(38px,5vw,62px);
  line-height:1.04;
  margin:0 0 18px;
  text-transform:uppercase;
}
.hero .zone{
  font-size:18px;
  font-weight:700;
  margin-bottom:10px;
}
.hero .line{
  width:70px;height:4px;background:var(--orange);margin:18px 0;
}
.hero p{font-size:22px;max-width:540px;margin:0 0 22px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 24px;border:2px solid transparent;
  font-weight:900;font-size:16px;
  transition:.2s ease;
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-2)}
.btn-outline{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(0,0,0,.15)}
.btn-dark{background:var(--navy);color:#fff}
.features{
  background:#fff;border-bottom:1px solid var(--line);
}
.features-grid{
  display:grid;grid-template-columns:repeat(5,1fr);
}
.feature{
  display:flex;gap:14px;align-items:flex-start;
  padding:24px 18px;border-right:1px solid var(--line);
}
.feature:last-child{border-right:0}
.feature .icon{
  width:52px;height:52px;border:2px solid var(--orange);border-radius:50%;
  display:grid;place-items:center;color:var(--orange);font-weight:900;font-size:20px;flex:0 0 auto;
}
.feature h4{margin:0 0 4px;font-size:14px;text-transform:uppercase;color:var(--navy)}
.feature p{margin:0;font-size:14px;color:var(--muted)}
section{padding:78px 0}
.section-head{text-align:center;max-width:860px;margin:0 auto 36px}
.section-head h2{
  margin:8px 0 10px;
  font-size:clamp(30px,4vw,50px);
  line-height:1.1;
  text-transform:uppercase;
  color:var(--navy);
}
.section-head p{margin:0;color:var(--muted);font-size:18px}
.marker{
  width:66px;height:4px;background:var(--orange);margin:18px auto 0;
}
.services{background:var(--soft)}
.services-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.service-card{
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
}
.service-card img{width:100%;height:220px;object-fit:cover}
.service-content{padding:20px 20px 24px}
.service-content h3{margin:0 0 8px;font-size:24px;color:var(--navy)}
.service-content p{margin:0;color:var(--muted)}
.about{
  background:#fff;
}
.about-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;
}
.brand-block{
  background:var(--navy);color:#fff;padding:34px;box-shadow:var(--shadow);
}
.brand-name{
  font-size:48px;line-height:1.05;font-weight:900;margin:0 0 10px;text-transform:uppercase;
}
.brand-name .accent{color:var(--orange)}
.brand-block .tagline{
  font-size:46px;line-height:1.05;font-weight:900;margin:0 0 22px;text-transform:uppercase;
}
.brand-block p{font-size:18px;max-width:500px;color:#e7edf3;margin:0 0 18px}
.about-copy{
  padding:6px 0;
}
.about-copy h3{font-size:24px;margin:0 0 10px;color:var(--navy)}
.about-copy p{margin:0 0 14px;color:var(--muted)}
.about-copy .signature{font-weight:900;color:var(--navy);margin-top:14px}
.about-image img{
  width:100%;height:100%;min-height:360px;object-fit:cover;border-radius:0;box-shadow:var(--shadow)
}
.gallery-section{background:#fff}
.gallery-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.gallery-item{
  margin:0;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;
}
.gallery-button{border:0;background:none;padding:0;display:block;width:100%;cursor:zoom-in}
.gallery-item img{width:100%;height:220px;object-fit:cover}
.gallery-item figcaption{padding:14px}
.gallery-item strong{display:block;font-size:17px;color:var(--navy)}
.gallery-item span{display:block;font-size:14px;color:var(--muted);margin-top:4px}
.videos{background:var(--soft)}
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.video-card{
  background:var(--navy);color:#fff;padding:10px;box-shadow:var(--shadow)
}
.video-card video{width:100%;height:auto;background:#000;display:block}
.video-card p{margin:12px 6px 6px;font-weight:800}
.nacelle{
  background:var(--navy);color:#fff;
}
.nacelle-grid{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center;
}
.nacelle-photo img{width:100%;height:420px;object-fit:cover;box-shadow:var(--shadow)}
.nacelle-copy h2{margin:0 0 10px;font-size:clamp(30px,4vw,50px);text-transform:uppercase}
.nacelle-copy p{color:#dce4eb;margin:0 0 16px;font-size:18px}
.checks{display:grid;gap:12px;margin:26px 0}
.checks div{border-top:1px solid rgba(255,255,255,.15);padding-top:12px}
.checks strong{color:#ffb085}
.contact{
  background:#fff;
}
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch;
}
.contact-card{
  background:var(--soft);
  padding:28px;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.contact-card h3{margin:0 0 12px;font-size:30px;color:var(--navy);text-transform:uppercase}
.contact-card p{margin:0 0 18px;color:var(--muted)}
.contact-list a,.contact-list div{
  display:block;padding:14px 0;border-top:1px solid #ddd;font-weight:900;
}
.contact-list small{display:block;color:var(--muted);font-size:14px;font-weight:600;margin-top:4px}
.review{
  background:var(--navy);color:#fff;display:grid;place-items:center;padding:28px;box-shadow:var(--shadow)
}
.review-box{max-width:420px;text-align:center}
.review-score{font-size:54px;font-weight:900;line-height:1}
.review-stars{font-size:26px;letter-spacing:4px;color:#f8be4a;margin:10px 0}
.review p{margin:0 0 10px;color:#dbe4ed}
.review .quote{font-style:italic;color:#fff}
footer{
  background:var(--navy);
  color:#d6dee7;
  padding:34px 0 24px;
}
.footer-grid{
  display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:26px;align-items:start;
}
footer h4{margin:0 0 10px;font-size:18px;color:#fff;text-transform:uppercase}
footer a{display:block;margin:8px 0}
footer .logo-footer img{width:330px;max-width:100%;background:#fff;padding:8px}
.subfooter{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:24px;padding-top:18px;font-size:12px;color:#b9c3cf
}
.lightbox{
  position:fixed;inset:0;background:rgba(0,0,0,.90);display:none;align-items:center;justify-content:center;
  padding:20px;z-index:110;
}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:82vh;box-shadow:0 0 30px rgba(0,0,0,.4)}
.lightbox .caption{
  position:absolute;left:20px;right:20px;bottom:18px;color:#fff;text-align:center;font-size:16px
}
.lightbox .close{
  position:absolute;right:18px;top:10px;background:none;border:0;color:#fff;font-size:42px;cursor:pointer
}
.mobile-call{
  display:none;position:fixed;left:0;right:0;bottom:0;background:var(--orange);color:#fff;
  text-align:center;padding:14px 18px;font-size:20px;font-weight:900;z-index:90;
}
@media (max-width:1100px){
  .header-row{grid-template-columns:1fr auto;grid-template-areas:"logo phone" "nav nav"}
  .logo{grid-area:logo}.header-phone{grid-area:phone}.nav{grid-area:nav;justify-content:center;padding-bottom:14px}
  .features-grid{grid-template-columns:repeat(3,1fr)}
  .services-grid,.gallery-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.nacelle-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .header-row{display:block;padding:14px 0}
  .logo img{width:320px;margin:0 auto 12px}
  .nav{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;font-size:13px}
  .header-phone{margin-top:14px}
  .hero{min-height:580px;background-position:62% center}
  .hero-panel{padding:48px 0 44px}
  .hero p{font-size:18px}
  .features-grid,.services-grid,.gallery-grid,.video-grid{grid-template-columns:1fr}
  .feature{border-right:0;border-bottom:1px solid var(--line)}
  .feature:last-child{border-bottom:0}
  section{padding:60px 0}
  .mobile-call{display:block}
  body{padding-bottom:60px}
}