body{
font-family: Arial, Helvetica, sans-serif;
margin:0;
background:#f5f7fa;
color:#333;
}

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

header{
background:#0a2540;
color:white;
padding:20px 0;
}

header .container{
display:flex;
justify-content:space-between;
align-items:center;
}

header nav a{
color:white;
margin-left:20px;
text-decoration:none;
font-weight:500;
}

header nav a:hover{
color:#00bfff;
}

.hero{
background:linear-gradient(120deg,#0a2540,#1b4d7a);
color:white;
padding:120px 0;
text-align:center;
}

.hero h2{
font-size:40px;
margin-bottom:20px;
}

.hero p{
font-size:18px;
max-width:700px;
margin:auto;
}

.btn{
display:inline-block;
margin-top:30px;
padding:14px 28px;
background:#00bfff;
color:white;
text-decoration:none;
border-radius:6px;
font-weight:bold;
transition:0.3s;
}

.btn:hover{
background:#009ad6;
}

section{
padding:80px 0;
}

h2{
text-align:center;
margin-bottom:40px;
font-size:32px;
}

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

.card{
background:white;
padding:25px;
border-radius:10px;
box-shadow:0 5px 20px rgba(0,0,0,0.05);
transition:0.3s;
}

.card:hover{
transform:translateY(-5px);
box-shadow:0 10px 25px rgba(0,0,0,0.1);
}

.card h3{
margin-top:0;
color:#0a2540;
}

#tecnologia{
background:#eef3f7;
text-align:center;
}

#tecnologia ul{
list-style:none;
padding:0;
}

#tecnologia li{
margin:10px 0;
font-weight:500;
}

#contacto{
text-align:center;
background:#0a2540;
color:white;
}

footer{
background:#081a2c;
color:white;
text-align:center;
padding:25px;
}

form{
max-width:600px;
margin:auto;
display:flex;
flex-direction:column;
gap:15px;
}

input, textarea, select{
padding:12px;
border:1px solid #ddd;
border-radius:5px;
font-size:15px;
}

textarea{
min-height:120px;
}

.whatsapp{
position:fixed;
bottom:30px;
right:30px;
background:#25D366;
color:white;
font-size:30px;
width:60px;
height:60px;
display:flex;
align-items:center;
justify-content:center;
border-radius:50%;
text-decoration:none;
box-shadow:0 5px 15px rgba(0,0,0,0.3);
z-index:1000;
}

.whatsapp-float{
position:fixed;
bottom:25px;
right:25px;
display:flex;
align-items:center;
gap:10px;
background:#25D366;
color:white;
padding:12px 18px;
border-radius:50px;
text-decoration:none;
font-weight:bold;
box-shadow:0 6px 20px rgba(0,0,0,0.25);
z-index:9999;
transition:0.3s;
animation:whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover{
background:#1ebe5b;
transform:scale(1.05);
}

.whatsapp-icon{
font-size:22px;
}

.whatsapp-text{
font-size:14px;
}

@keyframes whatsapp-pulse{
0%{
box-shadow:0 0 0 0 rgba(37,211,102,0.6);
}
70%{
box-shadow:0 0 0 12px rgba(37,211,102,0);
}
100%{
box-shadow:0 0 0 0 rgba(37,211,102,0);
}
}