*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

html{
    scroll-behavior:smooth;
}

body{

    background:
        radial-gradient(circle at top,#1d4ed8 0%,transparent 35%),
        radial-gradient(circle at bottom right,#0f766e 0%,transparent 35%),
        #09090b;

    color:#f8fafc;
    line-height:1.8;
}

/* ---------- Header ---------- */

header{

    position:sticky;
    top:0;

    backdrop-filter:blur(18px);

    background:rgba(10,15,30,.75);

    border-bottom:1px solid rgba(255,255,255,.08);

    z-index:1000;
}

.container{

    width:min(1180px,92%);
    margin:auto;
}

nav{

    display:flex;
    justify-content:space-between;
    align-items:center;

    padding:22px 0;
}

.logo{

    font-size:30px;
    font-weight:700;
    color:#60a5fa;
}

nav ul{

    display:flex;
    gap:30px;

    list-style:none;
}

nav a{

    color:#dbeafe;
    text-decoration:none;

    transition:.25s;
}

nav a:hover{

    color:#60a5fa;
}

/* ---------- Hero ---------- */

.hero{

    padding:130px 0;

    text-align:center;
}

.hero h1{

    font-size:58px;

    margin-bottom:25px;

    background:linear-gradient(90deg,#ffffff,#60a5fa);

    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.hero p{

    color:#cbd5e1;

    max-width:760px;

    margin:auto;

    font-size:20px;
}

.button{

    display:inline-block;

    margin-top:45px;

    padding:16px 36px;

    border-radius:14px;

    background:linear-gradient(135deg,#2563eb,#06b6d4);

    color:white;

    text-decoration:none;

    font-weight:600;

    transition:.3s;
}

.button:hover{

    transform:translateY(-3px);

    box-shadow:0 10px 35px rgba(37,99,235,.45);
}

/* ---------- Section ---------- */

section{

    padding:90px 0;
}

section h2{

    text-align:center;

    margin-bottom:45px;

    font-size:40px;

    color:#60a5fa;
}

/* ---------- Features ---------- */

.features{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));

    gap:28px;
}

.feature{

    padding:28px;

    border-radius:20px;

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

    border:1px solid rgba(255,255,255,.08);

    backdrop-filter:blur(14px);

    transition:.3s;
}

.feature:hover{

    transform:translateY(-8px);

    border-color:#3b82f6;

    box-shadow:0 15px 40px rgba(59,130,246,.18);
}

.feature h3{

    margin-bottom:15px;

    color:#93c5fd;

    font-size:22px;
}

.feature p{

    color:#cbd5e1;
}

/* ---------- Cards ---------- */

.card{

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

    border:1px solid rgba(255,255,255,.08);

    border-radius:24px;

    padding:40px;

    backdrop-filter:blur(15px);

    box-shadow:0 20px 60px rgba(0,0,0,.25);
}

.card h3{

    color:#60a5fa;

    margin-top:28px;

    margin-bottom:12px;
}

.card p{

    color:#d1d5db;
}

.card ul{

    margin-left:22px;
}

.card li{

    margin:10px 0;

    color:#d1d5db;
}

/* ---------- Footer ---------- */

footer{

    margin-top:80px;

    padding:45px 20px;

    text-align:center;

    background:#05070d;

    border-top:1px solid rgba(255,255,255,.08);

    color:#94a3b8;
}

footer p{

    margin:8px 0;
}

/* ---------- Links ---------- */

a{

    color:#60a5fa;
}

a:hover{

    color:#93c5fd;
}

/* ---------- Contact ---------- */

.contact{

    font-size:18px;
}

/* ---------- Responsive ---------- */

@media (max-width:768px){

nav{

    flex-direction:column;

    gap:20px;
}

nav ul{

    flex-wrap:wrap;

    justify-content:center;

    gap:18px;
}

.hero{

    padding:90px 0;
}

.hero h1{

    font-size:42px;
}

.hero p{

    font-size:18px;
}

section h2{

    font-size:32px;
}

.card{

    padding:28px;
}

}