:root{
  --accent:#d35400;
  --dark:#1f2933;
  --muted:#6b7280;
  --bg:#f7f8fa;
  --container:1100px;
  --radius:8px;
  --shadow: 0 6px 18px rgba(31,41,51,0.08);
  --glass: rgba(255,255,255,0.6);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color-scheme: light;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--dark);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
  font-size:16px;
}

/* Container */
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}

/* Topbar */
.topbar{
  background:#0f1724;
  color:#fff;
  font-size:14px;
}
.topbar-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:8px 0;
}
.topbar a{color:#fff;text-decoration:none}
.topbar .icon{display:inline-block;margin-left:10px;padding:6px 8px;border-radius:6px;background:rgba(255,255,255,0.06);color:#fff;font-weight:600}

/* Header */
.site-header{
  background:linear-gradient(90deg, rgba(255,255,255,0.9), rgba(255,255,255,0.8));
  border-bottom:1px solid rgba(31,41,51,0.06);
  position:sticky;
  top:0;
  z-index:40;
  backdrop-filter: blur(6px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 0;
}
.brand .logo{
  margin:0;
  font-size:20px;
  color:var(--dark);
}
.brand .tag{margin:0;font-size:13px;color:var(--muted)}

/* Nav */
.main-nav{display:flex;align-items:center}
.nav-toggle{
  display:none;
  background:none;border:0;padding:8px;border-radius:6px;
}
.hamburger{
  width:22px;height:2px;background:var(--dark);display:block;position:relative;
}
.hamburger::before,.hamburger::after{
  content:"";position:absolute;left:0;right:0;height:2px;background:var(--dark);
}
.hamburger::before{top:-7px}
.hamburger::after{bottom:-7px}

.nav-list{
  list-style:none;margin:0;padding:0;display:flex;gap:14px;align-items:center;
}
.nav-list a{color:var(--dark);text-decoration:none;padding:8px 10px;border-radius:6px}
.nav-list a.active, .nav-list a:hover{background:rgba(211,84,0,0.08);color:var(--accent)}
.btn-quote{background:var(--accent);color:#fff;border:0;padding:8px 12px;border-radius:6px;cursor:pointer}

/* Hero */
.hero{padding:48px 0}
.hero-inner{display:flex;gap:30px;align-items:center}
.hero-copy{flex:1}
.hero-copy h2{font-size:32px;margin:0 0 10px}
.lead{color:var(--muted);margin:0 0 18px}
.hero-cta .btn{margin-right:10px}
.hero-media{flex:1;display:flex;justify-content:center}
.hero-media img{width:100%;max-width:560px;border-radius:12px;box-shadow:var(--shadow);display:block}

/* Buttons */
.btn{display:inline-block;padding:10px 16px;border-radius:8px;text-decoration:none;cursor:pointer;border:1px solid transparent}
.btn.primary{background:var(--accent);color:#fff}
.btn.outline{background:transparent;color:var(--accent);border-color:rgba(211,84,0,0.12)}
.btn.contact{background:#0f1724;color:#fff}

/* Products */
.products{padding:36px 0}
.section-title{font-size:22px;margin:0 0 6px}
.section-sub{color:var(--muted);margin:0 0 18px}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product-card{background:#fff;border-radius:12px;padding:14px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.product-card img{width:100%;height:160px;object-fit:cover;border-radius:8px}
.product-card h4{margin:0;font-size:18px}
.card-actions{margin-top:auto}

/* Features */
.features{padding:28px 0}
.features-inner{background:#fff;padding:20px;border-radius:12px;box-shadow:var(--shadow)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.feature h5{margin:0 0 6px}

/* Gallery */
.gallery{padding:28px 0}
.gallery-grid{display:flex;gap:12px}
.g-item{flex:1;height:140px;background-size:cover;background-position:center;border-radius:10px;box-shadow:var(--shadow)}

/* Contact section */
.contact-section{padding:36px 0}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.contact-card{background:#fff;padding:20px;border-radius:12px;box-shadow:var(--shadow)}
.contact-form{background:#fff;padding:20px;border-radius:12px;box-shadow:var(--shadow)}
.contact-form label{display:block;margin-bottom:10px}
.contact-form span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.contact-form input, .contact-form textarea{width:100%;padding:10px;border:1px solid #e6e9ee;border-radius:8px}

/* Modal */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(15,23,36,0.5);z-index:60}
.modal[aria-hidden="false"]{display:flex}
.modal-panel{background:#fff;padding:20px;border-radius:12px;max-width:520px;width:100%;box-shadow:var(--shadow);position:relative}
.modal-close{position:absolute;right:12px;top:8px;border:0;background:transparent;font-size:26px;cursor:pointer}

/* Footer */
.site-footer{background:#0b1220;color:#fff;padding:28px 0;margin-top:28px}
.footer-inner{display:flex;gap:20px;align-items:flex-start;justify-content:space-between}
.footer-brand h4{margin:0}
.slogan{font-weight:600;margin:8px 0 12px}
.footer-links ul, .footer-features ul{list-style:none;padding:0;margin:0}
.footer-links a{color:#fff;text-decoration:none}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:18px;border-top:1px solid rgba(255,255,255,0.06);font-size:14px}

/* Responsive */
@media (max-width:1000px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner{flex-direction:column-reverse}
  .contact-inner{grid-template-columns:1fr}
  .gallery-grid{flex-direction:column}
}
@media (max-width:720px){
  .nav-list{position:fixed;top:72px;right:0;background:#fff;flex-direction:column;padding:16px;border-radius:8px;box-shadow:var(--shadow);display:none}
  .nav-list.show{display:flex}
  .nav-toggle{display:block}
  .brand .logo{font-size:18px}
  .product-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;gap:12px}
}