:root{
  --bg:#f6f6f6;
  --accent:#0b0b0b;
  --muted:#666;
  --primary:#111;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family: 'Segoe UI', Tahoma, Arial, sans-serif;background:var(--bg);color:var(--accent);line-height:1.5}
.container{max-width:1100px;margin:0 auto;padding:1rem}

.site-header{position:fixed;top:0;left:0;right:0;background:rgba(255,255,255,0.85);backdrop-filter:blur(4px);border-bottom:1px solid rgba(0,0,0,0.05);z-index:40}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.5rem 1rem}
.logo{height:48px}
.nav a{margin-left:1rem;text-decoration:none;color:var(--accent);font-weight:600}

.hero{height:60vh;display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;padding-top:64px;background-image:url('https://revo.website/image/cover.png');background-attachment:fixed;background-size:cover;background-position:center}
.hero-overlay{background:rgba(0,0,0,0.25);inset:0;border-radius:0;height:100%}

.products-section{padding:3rem 0;background-image:url('https://revo.website/image/cover.png');background-attachment:fixed;background-size:cover;background-position:center}
.products-section h2{color:var(--primary);margin-bottom:1rem}
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem}
.product{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 6px 18px rgba(10,10,10,0.06);position:relative}
.product img{display:block;width:100%;height:260px;object-fit:cover}
.prod-code{position:absolute;top:10px;left:10px;background:rgba(0,0,0,0.6);color:#fff;padding:.35rem .6rem;border-radius:6px;font-weight:700;font-size:.9rem}
.prod-caption{padding:.6rem .8rem;font-size:.95rem;color:var(--muted)}

.contact{padding:2rem 0}

.about{padding:2.2rem 0;background:white;border-radius:8px;margin-top:1rem}
.about h2{margin-top:0}
.about p{color:var(--muted);line-height:1.7}

.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.contact-card{background:#fff;padding:1rem;border-radius:8px;box-shadow:0 8px 20px rgba(10,10,10,0.05)}
.contact-card h3{margin:.1rem 0 .4rem 0}
.contact-card .muted{color:var(--muted);font-size:.95rem;margin-bottom:.6rem}
.contact-card .small{color:var(--muted);font-size:.85rem;margin-top:.6rem}
.btn.whatsapp{display:inline-block;background:#25D366;color:white;padding:.6rem .9rem;border-radius:8px;text-decoration:none;border:0}
.btn.whatsapp.fullwidth{display:block;width:100%;text-align:center;padding:.9rem 1rem;font-weight:700;border-radius:10px}

/* Footer / social icons centered and professional */
.footer-icons{display:flex;gap:.6rem;justify-content:center;align-items:center;margin-top:0.6rem}
.icon-btn{width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(180deg,rgba(255,255,255,0.95),#fff);box-shadow:0 6px 18px rgba(10,10,10,0.08);border:1px solid rgba(0,0,0,0.06);text-decoration:none}
.icon-btn svg{display:block}
.icon-btn:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(10,10,10,0.12)}
.icon-btn.large{width:64px;height:64px}
.social-icons{display:flex;gap:1rem;justify-content:center;align-items:center;margin-top:0.6rem}

/* Make footer area feel centered in viewport on small screens */
footer.site-footer{display:flex;align-items:center;justify-content:center;padding:2rem 1rem;background:#0b0b0b;color:#fff}



.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,0.45);z-index:80}
.modal[aria-hidden="false"]{display:flex}
.modal-content{background:#fff;border-radius:8px;max-width:520px;width:94%;padding:1rem 1.2rem;position:relative}
.close{position:absolute;left:10px;top:6px;background:transparent;border:0;font-size:22px}
form label{display:block;font-size:.9rem;margin:.6rem 0}
input[type="text"],input[type="tel"]{width:100%;padding:.6rem;border:1px solid #ddd;border-radius:6px;margin-top:.3rem}
.form-actions{display:flex;gap:.6rem;justify-content:flex-end;margin-top:1rem}
.btn{padding:.6rem .9rem;border-radius:6px;border:1px solid #ccc;background:#fff;cursor:pointer}
.btn.primary{background:#111;color:#fff;border-color:#111}

@media (max-width:600px){
  .brand{font-size:2rem}
  .product img{height:190px}
}