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

html{
    scroll-behavior:smooth;
}

body{

    font-family:Arial, Helvetica, sans-serif;

    background:
        radial-gradient(circle at top left,#164c96 0%,#0d1117 35%),
        #0d1117;

    color:white;

    overflow-x:hidden;

}

/* ---------------- NAVIGATION ---------------- */

header{

    position:fixed;

    width:100%;

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:25px 60px;

    background:rgba(0,0,0,.35);

    backdrop-filter:blur(14px);

    z-index:1000;

}

.logo{

    font-size:32px;

    font-weight:bold;

    color:#39bdf8;

}

nav a{

    color:white;

    text-decoration:none;

    margin-left:35px;

    transition:.3s;

}

nav a:hover{

    color:#39bdf8;

}

/* ---------------- HERO ---------------- */

.hero{

    min-height:100vh;

    display:flex;

    align-items:center;

    padding-left:80px;

}

.hero-text{

    max-width:700px;

}

.hero h1{

    font-size:70px;

    line-height:1.1;

    margin-bottom:25px;

}

.hero p{

    font-size:22px;

    color:#d0d0d0;

    line-height:1.7;

    margin-bottom:40px;

}

/* ---------------- BUTTONS ---------------- */

.buttons{

    display:flex;

    gap:20px;

}

.btn{

    background:#39bdf8;

    color:white;

    padding:16px 32px;

    border-radius:12px;

    text-decoration:none;

    transition:.35s;

    font-weight:bold;

}

.btn:hover{

    transform:translateY(-5px);

    box-shadow:0 0 30px #39bdf8;

}

.secondary{

    background:transparent;

    border:2px solid #39bdf8;

}

/* ---------------- APPS ---------------- */

.apps{

    padding:120px 80px;

}

.apps h2{

    text-align:center;

    font-size:46px;

    margin-bottom:60px;

}

.cards{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));

    gap:35px;

}

.card{

    background:rgba(255,255,255,.05);

    border:1px solid rgba(255,255,255,.1);

    backdrop-filter:blur(10px);

    border-radius:20px;

    padding:40px;

    transition:.4s;

}

.card:hover{

    transform:translateY(-12px);

    border-color:#39bdf8;

    box-shadow:0 0 35px rgba(57,189,248,.35);

}

.card h3{

    font-size:30px;

    margin-bottom:18px;

}

.card p{

    color:#cfcfcf;

    line-height:1.7;

}

/* ---------------- ABOUT ---------------- */

.about{

    padding:120px 80px;

    text-align:center;

}

.about h2{

    font-size:46px;

    margin-bottom:30px;

}

.about p{

    max-width:900px;

    margin:auto;

    line-height:1.9;

    color:#cfcfcf;

    font-size:20px;

}

/* ---------------- CONTACT ---------------- */

.contact{

    padding:120px 80px;

    text-align:center;

}

.contact h2{

    font-size:46px;

    margin-bottom:20px;

}

.contact p{

    margin-top:15px;

    color:#d2d2d2;

    font-size:20px;

}

/* ---------------- FOOTER ---------------- */

footer{

    padding:45px;

    text-align:center;

    border-top:1px solid rgba(255,255,255,.1);

    color:#9d9d9d;

}

/* ---------------- MOBILE ---------------- */

@media(max-width:900px){

header{

padding:20px;

flex-direction:column;

}

nav{

margin-top:20px;

}

nav a{

margin:0 10px;

}

.hero{

padding:160px 30px 80px;

}

.hero h1{

font-size:44px;

}

.hero p{

font-size:18px;

}

.buttons{

flex-direction:column;

}

}