*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{
font-family:'Poppins',sans-serif;
color:#222;
}

.container{
width:90%;
max-width:1200px;
margin:auto;
}

header{
background:#111;
position:fixed;
width:100%;
z-index:1000;
}

.nav{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 0;
}

.logo{
color:#fff;
}

nav ul{
display:flex;
list-style:none;
gap:20px;
}

nav a{
color:#fff;
text-decoration:none;
}

.hero{
height:100vh;
background:url('../img/hero.jpg') center center/cover;
position:relative;
display:flex;
align-items:center;
justify-content:center;
text-align:center;
}

.overlay{
position:absolute;
inset:0;
background:rgba(0,0,0,.6);
}

.hero-content{
position:relative;
z-index:2;
color:white;
max-width:800px;
}

.hero-content h1{
font-size:4rem;
margin-bottom:20px;
}

.hero-content p{
font-size:1.2rem;
margin-bottom:30px;
}

.btn{
background:#c62828;
color:white;
text-decoration:none;
padding:15px 30px;
border-radius:50px;
font-weight:bold;
}

.productos,
.nosotros,
.contacto{
padding:100px 0;
}

.productos h2,
.nosotros h2,
.contacto h2{
text-align:center;
margin-bottom:40px;
}

.cards{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:25px;
}

.card{
background:white;
border-radius:15px;
overflow:hidden;
box-shadow:0 5px 15px rgba(0,0,0,.1);
}

.card img{
width:100%;
height:250px;
object-fit:cover;
}

.card h3,
.card p{
padding:10px 20px;
}

.nosotros{
background:#f5f5f5;
}

.beneficios{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
text-align:center;
}

.contacto{
text-align:center;
}

.whatsapp{
position:fixed;
right:20px;
bottom:20px;
width:60px;
height:60px;
background:#25D366;
border-radius:50%;
display:flex;
justify-content:center;
align-items:center;
text-decoration:none;
font-size:28px;
color:white;
}