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

body{
font-family:'Poppins',sans-serif;
background:#071a2d;
color:white;
overflow-x:hidden;
}

/* PARTICLE BACKGROUND */

#particles-js{
position:fixed;
width:100%;
height:100%;
top:0;
left:0;
z-index:-1;
}

/* HEADER */

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 10%;
background:#0c2340;
position:sticky;
top:0;
z-index:1000;
}

.logo a{
color:#00d4ff;
text-decoration:none;
font-size:22px;
font-weight:700;
}

/* NAVIGATION */

nav a{
color:white;
text-decoration:none;
margin-left:25px;
font-weight:500;
padding:8px 14px;
border-radius:6px;
transition:0.3s;
}

/* hover */

nav a:hover{
background:#1f3d63;
}

/* CLICK GREY HIGHLIGHT */

nav a:active{
background:#777;
}

/* MOBILE MENU */

.menu-btn{
display:none;
font-size:26px;
cursor:pointer;
}

/* HERO */

.hero{
text-align:center;
padding:120px 20px;
max-width:900px;
margin:auto;
}

.hero h1{
font-size:48px;
color:#00d4ff;
margin-bottom:20px;
}

.hero p{
font-size:18px;
margin-bottom:30px;
opacity:0.9;
}

.cta-btn{
background:#00ffb3;
color:#071a2d;
padding:14px 28px;
border-radius:30px;
text-decoration:none;
font-weight:600;
}

.cta-btn:hover{
background:#00d4ff;
}

/* SECTION */

.section{
padding:80px 10%;
text-align:center;
}

.section h2{
font-size:32px;
margin-bottom:40px;
color:#00d4ff;
}

/* GRID */

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

/* CARDS */

.card{
background:#0c2340;
padding:30px;
border-radius:12px;
transition:0.3s;
}

.card:hover{
transform:translateY(-8px);
box-shadow:0 10px 30px rgba(0,255,200,0.2);
}

.card h3{
color:#00ffb3;
margin-bottom:10px;
}

.card p{
opacity:0.9;
margin-bottom:20px;
}

.card a{
color:#00d4ff;
text-decoration:none;
font-weight:600;
}

/* CONTACT */

.contact-info p{
margin:10px 0;
font-size:18px;
}

/* FOOTER */

footer{
background:#0c2340;
text-align:center;
padding:25px;
margin-top:50px;
}

/* WHATSAPP BUTTONS */

.whatsapp-container{
position:fixed;
bottom:25px;
right:25px;
display:flex;
flex-direction:column;
gap:10px;
z-index:999;
}

.whatsapp-btn{
background:#25D366;
color:white;
padding:12px 18px;
border-radius:30px;
text-decoration:none;
font-weight:600;
animation:glow 2s infinite;
}

@keyframes glow{

0%{box-shadow:0 0 10px #25D366;}
50%{box-shadow:0 0 30px #25D366;}
100%{box-shadow:0 0 10px #25D366;}

}

/* MOBILE */

@media(max-width:900px){

nav{
display:none;
flex-direction:column;
position:absolute;
top:70px;
right:0;
background:#0c2340;
width:200px;
padding:20px;
}

nav a{
margin:10px 0;
}

nav.active{
display:flex;
}

.menu-btn{
display:block;
}

.hero h1{
font-size:36px;
}

}