html{scroll-behavior:smooth;}

body{
margin:0;
font-family:Arial,Helvetica,sans-serif;
background:#020617;
color:white;
text-align:center;
overflow-x:hidden;
}

/* ================= PARTICLES ================= */

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

/* ✅ Canvas animation (fixed) */
#particles-js canvas{
will-change:transform;
animation:floatParticles 20s ease-in-out infinite;
filter: drop-shadow(0 0 6px #00eaff)
drop-shadow(0 0 12px #00eaff);
}

@keyframes floatParticles{
0%{transform:translate3d(0,0,0);}
50%{transform:translate3d(0,-20px,0);}
100%{transform:translate3d(0,0,0);}
}

/* ================= CONTENT ================= */

.hero,
.section,
.offer,
footer,
.hero-buttons{
position:relative;
z-index:2;
}


/* ================= UI ================= */

.hero{
padding:160px 20px 120px;
}

.hero h1{
font-size:90px;
color:#00eaff;
text-shadow:0 0 30px #00eaff;
margin-bottom:10px;
}

.hero h2{
color:#8be9ff;
font-weight:normal;
margin-bottom:25px;
}

.hero p{
max-width:750px;
margin:auto;
font-size:20px;
line-height:1.6;
opacity:.9;
}

.badge{
display:inline-block;
background:#00eaff;
color:black;
padding:10px 24px;
border-radius:25px;
font-weight:bold;
margin-bottom:20px;
}

.button{
display:inline-block;
margin-top:40px;
padding:18px 40px;
background:linear-gradient(90deg,#00eaff,#00c3ff);
color:black;
font-weight:bold;
border-radius:10px;
text-decoration:none;
transition:.3s;
}

.button:hover{
transform:scale(1.1);
box-shadow:0 0 20px #00eaff;
}

/* ================= SECTION ================= */

.section{
padding:100px 20px;
}

.features{
display:flex;
flex-wrap:wrap;
gap:30px;
justify-content:center;
max-width:1100px;
margin:auto;
}

.card{
background:rgba(255,255,255,.05);
border:1px solid rgba(255,255,255,.1);
padding:35px;
width:260px;
border-radius:14px;
backdrop-filter:blur(10px);
transition:.3s;
}

.card:hover{
transform:translateY(-10px);
box-shadow:0 0 25px rgba(0,234,255,.6);
}

.card h3{
color:#00eaff;
}

/* ================= OFFER ================= */

.offer{
padding:100px 20px;
}

.offer input,
.offer select{
padding:14px;
margin:10px;
border:none;
border-radius:6px;
width:260px;
font-size:15px;
}

.offer button{
padding:14px 35px;
background:#00eaff;
border:none;
border-radius:6px;
font-weight:bold;
cursor:pointer;
transition:.3s;
}

.offer button:hover{
background:#00c3ff;
transform:scale(1.05);
}

/* ================= FOOTER ================= */

footer{
padding:40px;
font-size:14px;
opacity:.7;
}

/* ================= RESPONSIVE ================= */

@media(max-width:600px){
.hero h1{font-size:50px;}
.hero p{font-size:18px;}
}

/* ================= BUTTON GROUP ================= */

.hero-buttons{
margin-top:40px;
display:flex;
gap:20px;
justify-content:center;
flex-wrap:wrap;
}