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

body{
    font-family:'Inter',sans-serif;
    background:#05070d;
    color:#fff;
}

/* NAVBAR */
.navbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 40px;
    position:fixed;
    width:100%;
    top:0;
    background:rgba(5,10,20,0.8);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(0,255,255,0.1);
}

.logo{
    font-weight:bold;
    color:#00eaff;
}

.navbar nav{
    display:flex;
}

.navbar nav a{
    margin-left:25px;
    color:#ccc;
    text-decoration:none;
}

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

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

.hero::before{
    content:"";
    position:absolute;
    width:100%;
    height:100%;
    background:
    radial-gradient(circle at 20% 30%, rgba(0,255,255,0.15), transparent),
    radial-gradient(circle at 80% 70%, rgba(0,100,255,0.2), transparent),
    linear-gradient(#05070d,#02040a);
    z-index:-2;
}

.hero h1{
    font-size:60px;
    background:linear-gradient(90deg,#00eaff,#0077ff);
    -webkit-background-clip:text;
    color:transparent;
}

.hero p{
    margin-top:20px;
    color:#aaa;
}

/* BUTTON */
.btn-primary{
    margin-top:25px;
    padding:14px 28px;
    border-radius:30px;
    background:linear-gradient(90deg,#00eaff,#0077ff);
    color:#000;
    display:inline-block;
}

/* GRID */
.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:30px;
    padding:80px;
}

.card{
    background:#0b1222;
    padding:30px;
    border-radius:16px;
}

/* CONTACT */
form{
    background:#0b1222;
    padding:40px;
    border-radius:12px;
}

input,textarea{
    width:100%;
    padding:15px;
    margin-bottom:15px;
    background:#02050c;
    border:none;
    color:#fff;
}

/* MOBILE */
@media(max-width:768px){

.menu-toggle{display:block;}

.navbar nav{
    position:absolute;
    top:70px;
    right:0;
    width:100%;
    background:#02050c;
    flex-direction:column;
    display:none;
}

.navbar nav.active{
    display:flex;
}

.navbar nav a{
    padding:15px;
    border-bottom:1px solid #111;
}

.hero h1{font-size:34px;}

.grid{padding:40px;}
}