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

body{
background:#0f1117;
color:white;
line-height:1.6;
}

.container{
width:90%;
max-width:1200px;
margin:auto;
display:flex;
justify-content:space-between;
align-items:center;
}

header{
    padding:20px 0;
    background:#000000;
    position:sticky;
    top:0;
    z-index:100;
    border-bottom:1px solid #1e1e1e;
}

.logo img{
height:70px;
}

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

.hero{
min-height:80vh;
display:flex;
justify-content:center;
align-items:center;
text-align:center;
padding:20px;
}

.hero h1{
font-size:3rem;
margin-bottom:20px;
}

.hero p{
font-size:1.2rem;
max-width:700px;
margin:auto;
margin-bottom:30px;
}

.btn{
background:#1e88ff;
padding:15px 30px;
border-radius:8px;
text-decoration:none;
color:white;
font-weight:bold;
}

.section{
padding:80px 20px;
max-width:1200px;
margin:auto;
}

.section h2{
text-align:center;
margin-bottom:40px;
font-size:2rem;
}

.cards{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
}

.card{
background:#181c28;
padding:25px;
border-radius:12px;
}

.card a{
display:inline-block;
margin-top:15px;
color:#4aa3ff;
}

.tech-list{
display:flex;
justify-content:center;
flex-wrap:wrap;
gap:15px;
}

.tech-list span{
background:#181c28;
padding:10px 20px;
border-radius:20px;
}

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

input,
textarea{
padding:15px;
border:none;
border-radius:8px;
}

textarea{
height:150px;
resize:none;
}

button{
padding:15px;
background:#1e88ff;
border:none;
border-radius:8px;
color:white;
font-size:16px;
cursor:pointer;
}

.mensaje-exito{
    max-width:600px;
    margin:20px auto;
    padding:20px;
    background:#0f5132;
    border:1px solid #198754;
    color:#ffffff;
    border-radius:10px;
    text-align:center;
    font-size:16px;
}


footer{
text-align:center;
padding:30px;
background:#131722;
margin-top:50px;
}