:root{
  --white:#ffffff;
  --text:#101418;
  --muted:#5b6470;
  --line:#e8ebef;
  --soft:#f6f8fb;
  --red:#d81f26;
  --blue:#163f8c;
  --dark:#0d1117;
  --shadow:0 18px 50px rgba(10,20,40,.08);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.55;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.topbar{
  background:var(--dark);
  color:#fff;
  font-size:.96rem;
}
.topbar-inner{
  min-height:52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding:10px 0;
}
.topbar a{font-weight:700}
.navbar{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.nav-inner{
  min-height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand-logo{
  width:220px;
  max-width:48vw;
  object-fit:contain;
}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a:not(.btn){font-weight:700;color:var(--muted)}
.menu-toggle{display:none;background:none;border:none;width:46px;height:46px;padding:0;cursor:pointer}
.menu-toggle span{display:block;width:24px;height:2px;background:#111;margin:5px auto;border-radius:99px}
.mobile-menu{display:none;padding:0 16px 18px;border-top:1px solid var(--line);background:#fff}
.mobile-menu.open{display:grid;gap:14px}
.hero{
  padding:64px 0 54px;
  background:
    radial-gradient(circle at 10% 0%, rgba(22,63,140,.08), transparent 30%),
    radial-gradient(circle at 100% 100%, rgba(216,31,38,.08), transparent 28%),
    linear-gradient(180deg,#fff 0%,#f9fbff 100%);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;padding:9px 14px;border-radius:999px;
  background:#eef3ff;color:var(--blue);font-size:.9rem;font-weight:700
}
h1,h2,h3{margin:0;line-height:1.06}
h1{font-size:clamp(2.5rem,5vw,5rem);margin-top:16px;max-width:11ch;letter-spacing:-.04em}
h2{font-size:clamp(2rem,4vw,3rem);letter-spacing:-.03em}
.lead{font-size:1.18rem;color:var(--muted);max-width:700px;margin:18px 0 0}
.hero-actions,.contact-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.btn{
  min-height:52px;padding:0 22px;border-radius:14px;font-weight:700;display:inline-flex;
  align-items:center;justify-content:center;transition:.2s transform,.2s box-shadow,.2s background;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--dark),var(--blue));color:#fff;box-shadow:0 14px 30px rgba(22,63,140,.2)}
.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--text)}
.btn-large{min-width:230px}
.data-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.data-grid article,.text-card,.hero-card,.product-card,.contact-panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
.data-grid article{padding:18px}
.data-grid strong{display:block;margin-bottom:6px}
.data-grid span{color:var(--muted)}
.hero-card{padding:18px;overflow:hidden}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--soft);border-radius:18px;padding:16px}
.hero-card-text{padding:18px 6px 6px}
.hero-card-text p{margin:0 0 10px}
.section{padding:40px 0 26px}
.split-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:start}
.text-card{padding:28px}
.text-card p{margin:0 0 12px}
.section-head{margin-bottom:24px}
.center{text-align:center}
.catalog-section{padding-top:26px;padding-bottom:56px}
.catalog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-card{padding:16px;display:flex;flex-direction:column;height:100%}
.image-wrap{
  background:linear-gradient(180deg,#fff,#f4f6fa);
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  aspect-ratio:4/3;
  display:flex;align-items:center;justify-content:center;
}
.image-wrap img{width:100%;height:100%;object-fit:cover}
.product-card h3{font-size:1rem;line-height:1.35;margin-top:14px}
.contact-section{padding-bottom:68px}
.contact-panel{padding:28px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.footer{background:#0f1720;color:#fff;padding:26px 0 90px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-brand img{width:180px;background:#fff;border-radius:14px;padding:10px}
.whatsapp-float{
  position:fixed;right:18px;bottom:18px;z-index:1001;
  background:#25d366;color:#fff;font-weight:800;padding:15px 18px;border-radius:999px;
  box-shadow:0 18px 35px rgba(37,211,102,.35)
}
@media (max-width: 980px){
  .hero-grid,.split-section,.contact-panel{grid-template-columns:1fr}
  .catalog-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 760px){
  .nav-links{display:none}
  .menu-toggle{display:block}
  .data-grid{grid-template-columns:1fr}
  .topbar-inner{justify-content:flex-start}
}
@media (max-width: 560px){
  .catalog-grid{grid-template-columns:1fr}
  .brand-logo{width:180px}
  .container{width:min(1180px,calc(100% - 22px))}
  .hero{padding-top:42px}
  .footer{padding-bottom:100px}
}