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

body{
    background:linear-gradient(135deg,#001f27,#003f4f,#002a35);
    color:#fff;
    overflow-x:hidden;
}

/* PARTICLE CANVAS */
#particleCanvas{
    position:fixed;
    top:0;left:0;
    width:100%;height:100%;
    z-index:-2;
}

/* HEADER */
header{
    position:fixed;
    width:100%;
    padding:18px 6%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    backdrop-filter:blur(20px);
    background:rgba(0,0,0,0.5);
    z-index:1000;
    border-bottom:1px solid rgba(255,255,255,0.05);
}

.logo{
    font-size:24px;
    font-weight:600;
    letter-spacing:2px;
    color:#00f5d4;
}

nav ul{
    list-style:none;
    display:flex;
    gap:30px;
}

nav ul li{
    position:relative;
}

nav ul li a{
    text-decoration:none;
    color:#fff;
    font-size:14px;
    transition:0.3s;
}

nav ul li a:hover{
    color:#00f5d4;
}

/* MEGA MENU */
.mega{
    position:absolute;
    top:45px;
    left:0;
    width:750px;
    padding:35px;
    background:rgba(0,0,0,0.9);
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:25px;
    opacity:0;
    visibility:hidden;
    transform:translateY(20px);
    transition:0.4s ease;
    border-radius:15px;
}

nav ul li:hover .mega{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
}

.mega h4{
    color:#00f5d4;
    margin-bottom:10px;
}

.mega a{
    display:block;
    font-size:13px;
    color:#ccc;
    margin-bottom:6px;
}

/* HERO */
.hero{
    height:100vh;
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
}

.hero video{
    position:absolute;
    width:100%;
    height:100%;
    object-fit:cover;
    z-index:-3;
}

.hero::after{
    content:'';
    position:absolute;
    width:100%;height:100%;
    background:linear-gradient(to bottom,rgba(0,0,0,0.7),rgba(0,0,0,0.9));
    z-index:-2;
}

.hero h1{
    font-size:52px;
    text-shadow:0 0 25px #00f5d4;
}

.hero p{
    margin:20px 0;
    font-size:18px;
}

.btn{
    padding:14px 35px;
    border-radius:30px;
    background:#00f5d4;
    color:#002a35;
    border:none;
    font-weight:600;
    cursor:pointer;
    transition:0.3s;
}
.btn:hover{transform:scale(1.08);}

/* 3D SECTION */
#webgl{
    height:500px;
}

/* SECTION */
section{
    padding:100px 8%;
    text-align:center;
}

.section-title{
    font-size:36px;
    margin-bottom:50px;
    color:#00f5d4;
}

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

.card{
    padding:40px;
    border-radius:20px;
    background:rgba(255,255,255,0.05);
    backdrop-filter:blur(10px);
    transition:0.4s;
}
.card:hover{
    transform:translateY(-12px);
    box-shadow:0 20px 40px rgba(0,245,212,0.2);
}

/* STATS */
.stats{
    display:flex;
    justify-content:center;
    gap:60px;
    flex-wrap:wrap;
}
.stat h2{
    font-size:42px;
    color:#00f5d4;
}

/* FOOTER */
footer{
    padding:40px;
    background:#001f27;
    text-align:center;
}

/* MOBILE */
@media(max-width:768px){
    nav ul{display:none;flex-direction:column;background:#012e3a;position:absolute;right:0;top:60px;padding:20px;}
    nav ul.active{display:flex;}
    .menu-toggle{display:block;}
}
.menu-toggle{display:none;font-size:26px;cursor:pointer;}