*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Poppins,sans-serif;
}

body{
background:#07111f;
color:white;
}

header{
position:fixed;
width:100%;
background:#091827;
padding:15px 50px;
z-index:1000;
}

nav{
display:flex;
justify-content:space-between;
align-items:center;
}

.logo img{
    height:90px;
    width:auto;
}

@media(max-width:768px){

.logo img{
    height:75px;
}

}

.whatsapp{

position:fixed;
bottom:25px;
right:25px;

width:65px;
height:65px;

border-radius:50%;

background:#25D366;

display:flex;
justify-content:center;
align-items:center;

font-size:30px;

text-decoration:none;
color:white;

box-shadow:0 0 15px rgba(0,0,0,.4);

z-index:9999;

}

nav ul{
display:flex;
gap:30px;
list-style:none;
}

nav a{
color:white;
text-decoration:none;
}

.hero{
height:100vh;
display:flex;
justify-content:center;
align-items:center;
text-align:center;
padding:50px;
background:
linear-gradient(
135deg,
#07111f,
#0f2742
);
}

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

.hero p{
max-width:800px;
margin:auto;
font-size:1.2rem;
}

section{
padding:100px 10%;
}

h2{
text-align:center;
font-size:2.5rem;
margin-bottom:50px;
}

.cards{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
}

.card{
background:#10243e;
padding:30px;
border-radius:20px;
transition:.3s;
}

.card:hover{
transform:translateY(-10px);
}

.btn-primary{
background:#1ca9ff;
padding:12px 25px;
border-radius:10px;
color:white;
text-decoration:none;
display:inline-block;
}

.btn-secondary{
border:1px solid #1ca9ff;
padding:12px 25px;
border-radius:10px;
color:white;
text-decoration:none;
display:inline-block;
}

.hero-buttons,
.platform-buttons{
margin-top:30px;
display:flex;
gap:20px;
justify-content:center;
flex-wrap:wrap;
}

.contact-card{
text-align:center;
}

footer{
padding:30px;
text-align:center;
background:#091827;
}

@media(max-width:768px){

nav{
    flex-direction:column;
    gap:15px;
}

nav ul{
    flex-wrap:wrap;
    justify-content:center;
    gap:15px;
}

.hero h1{
    font-size:2.3rem;
}

.hero p{
    font-size:1rem;
}

section{
    padding:70px 20px;
}

.cards{
    grid-template-columns:1fr;
}

}
@media(max-width:768px){

    .planes-imagen{
        display:none;
    }

    .planes-mobile{
        display:block;
    }
}
.planes-mobile{
    display:none;
}