body{
position:relative;
background-color:#ffffff;
overflow-x:hidden;
font-family:Arial,Helvetica,sans-serif;
}

/* Marca de agua */
body::before{
content:"";
position:fixed;

top:50%;
left:50%;
transform:translate(-50%, -50%);

width:min(900px,70vw);
height:min(900px,70vh);

background-image:url("../img/logo-watermark.png");
background-repeat:no-repeat;
background-position:center;
background-size:contain;

opacity:0.05;

pointer-events:none;

z-index:-1;
}

@media (max-width:768px){

body::before{
width:85vw;
height:85vw;
opacity:0.04;
}

}

.navbar{
background:#fff;
}

.nav-link{
font-weight:600;
margin-left:15px;
color:#333 !important;
}

.nav-link:hover{
color:#d42020 !important;
}

.hero{
padding:140px 0 80px;
text-align:center;
}

.hero h1{
font-size:clamp(32px,4vw,52px);
font-weight:800;
}

.hero p{
font-size:clamp(16px,1.3vw,20px);
color:#555;
margin-top:12px;
}

.section-space{
padding:100px 0;
}

.product-card{
text-align:center;
padding:30px;
background:#fff;
border-radius:16px;
box-shadow:0 10px 30px rgba(0,0,0,.07);
transition:.3s;
height:100%;
}

.product-card:hover{
transform:translateY(-6px);
box-shadow:0 20px 45px rgba(0,0,0,.12);
}

.product-card img{
width:100%;
max-height:230px;
object-fit:contain;
margin-bottom:18px;
}

.btn-brand{
background:#d42020;
color:#fff;
border:none;
padding:12px 26px;
font-weight:600;
border-radius:10px;
}

.btn-brand:hover{
background:#b71b1b;
color:#fff;
}

.calculadora{
background:#f5f5f5;
padding:80px 0;
text-align:center;
}

.calculadora h2{
font-weight:800;
margin-bottom:40px;
}

.calc-box{
max-width:900px;
margin:auto;
display:flex;
gap:15px;
flex-wrap:wrap;
justify-content:center;
}

.calc-box input,
.calc-box select{
padding:14px;
border-radius:12px;
border:1px solid #ddd;
width:200px;
}

.calc-box button{
background:#d42020;
color:#fff;
border:none;
padding:14px 30px;
border-radius:12px;
font-weight:700;
}

.resultado-calc{
margin-top:30px;
font-size:18px;
font-weight:600;
}

.map-wrapper{
border-radius:16px;
overflow:hidden;
box-shadow:0 15px 35px rgba(0,0,0,.1);
}

.whatsapp-float{
position:fixed;
bottom:20px;
right:20px;
background:#25D366;
color:#fff;
width:60px;
height:60px;
border-radius:50%;
display:flex;
align-items:center;
justify-content:center;
font-size:28px;
box-shadow:0 5px 15px rgba(0,0,0,.3);
z-index:999;
text-decoration:none;
}