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

body{
background:#0b0f19;
color:#e5e7eb;
line-height:1.6;
}

a{
color:#7dd3fc;
text-decoration:none;
}

header{
background:#020617;
padding:15px 10%;
display:flex;
justify-content:space-between;
align-items:center;
position:sticky;
top:0;
z-index:1000;
}

header img{
height:50px;
}

nav a{
margin-left:20px;
font-weight:bold;
}

nav a:hover{
color:#38bdf8;
}

section{
padding:60px 10%;
}

h1,h2,h3{
color:#7dd3fc;
margin-bottom:15px;
}

.button,button,input[type="submit"]{
background:#38bdf8;
color:#020617;
padding:12px 22px;
border-radius:6px;
border:none;
display:inline-block;
margin-top:10px;
cursor:pointer;
font-weight:bold;
}

.button:hover,button:hover{
background:#0ea5e9;
}

ul{
margin-left:20px;
margin-bottom:20px;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:20px;
margin-top:20px;
}

.grid div{
background:#020617;
padding:20px;
border-radius:8px;
text-align:center;
}

form{
max-width:500px;
}

input,textarea{
width:100%;
padding:10px;
margin-bottom:12px;
border-radius:5px;
border:none;
}

footer{
background:#020617;
text-align:center;
padding:25px;
margin-top:40px;
color:#94a3b8;
}

/* WhatsApp */
.whatsapp-float{
position:fixed;
bottom:20px;
right:20px;
background:#25D366;
color:white;
padding:12px 18px;
border-radius:50px;
font-weight:bold;
z-index:999;
}

/* Mobile */
@media(max-width:768px){
header{
flex-direction:column;
}
nav{
margin-top:10px;
}
}