/* RESET */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Poppins',sans-serif;background:#ffffff;color:#111}

/* NAV */
.nav{display:flex;justify-content:space-between;align-items:center;padding:20px 60px;position:fixed;width:100%;top:0;background:rgba(255,255,255,0.7);backdrop-filter:blur(12px);z-index:1000}
.logo{font-size:22px;font-weight:600}
.nav a{margin-left:30px;text-decoration:none;color:#111;font-weight:500}

/* HERO */
.hero{height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:url('images/hero.png') center/cover no-repeat;position:relative;color:#fff}
.hero::after{content:'';position:absolute;inset:0;background:rgba(0,0,0,0.35)}
.hero-content{position:relative;z-index:2;max-width:900px;padding:0 20px}
.hero h1{font-size:56px;font-weight:600;margin-bottom:16px;letter-spacing:.2px}
.hero p{font-size:18px;color:#e5e7eb;margin-bottom:20px}

/* BUTTONS */
.btn{padding:14px 28px;border-radius:10px;text-decoration:none;margin:10px;display:inline-block;transition:transform .25s ease, box-shadow .25s ease}
.primary{background:#111;color:#fff}
.primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,.2)}
.btn:not(.primary){border:1px solid #fff;color:#fff}
.btn:not(.primary):hover{transform:translateY(-2px);background:rgba(255,255,255,0.1)}

/* PRODUCTS */
.products{padding:120px 60px;text-align:center}
.products h2{font-size:36px;margin-bottom:40px}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:30px}
.product-card{display:block;text-decoration:none;color:#111;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.06);transition:transform .35s ease, box-shadow .35s ease;opacity:0;transform:translateY(40px)}
.product-card.visible{opacity:1;transform:translateY(0)}
.product-card:hover{transform:translateY(-10px);box-shadow:0 20px 60px rgba(0,0,0,.12)}
.product-card img{width:100%;height:180px;object-fit:cover}
.product-card h3{padding:18px 16px;font-size:18px}

/* PRODUCT DETAIL */
.product-hero{height:50vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;background-size:cover;background-position:center;position:relative}
.product-hero::after{content:'';position:absolute;inset:0;background:rgba(0,0,0,0.4)}
.product-hero .inner{position:relative;z-index:2}
.product-hero h1{font-size:42px}
.product-detail{padding:60px 20px;max-width:900px;margin:0 auto;text-align:center}
.product-detail p{font-size:18px;color:#555;margin-bottom:20px}
.product-detail ul{list-style:none}
.product-detail li{margin:10px 0}
.cta{margin-top:20px}

/* CONTACT */
.contact{padding:100px 60px;text-align:center;background:#f9fafb}
.contact input,.contact textarea{width:60%;max-width:560px;padding:14px;margin:10px auto;display:block;border:1px solid #ddd;border-radius:10px}
.contact button{padding:14px 30px;background:#111;color:#fff;border:none;border-radius:10px}

/* WHATSAPP */
.whatsapp{position:fixed;bottom:25px;right:25px;font-size:28px;background:#25D366;color:#fff;padding:12px 16px;border-radius:50%;box-shadow:0 10px 30px rgba(0,0,0,.2)}

/* REVEAL */
.reveal{opacity:0;transform:translateY(30px);transition:all .6s ease}
.reveal.show{opacity:1;transform:translateY(0)}

@media(max-width:768px){
  .nav{padding:16px 20px}
  .hero h1{font-size:36px}
  .contact input,.contact textarea{width:90%}
}