body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #070A12;
    color: white;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at top, #0b1a3a, #070A12);
}

.hero h1 {
    font-size: 60px;
    margin: 0;
}

.sub {
    color: #4da3ff;
    font-size: 20px;
}

.desc {
    color: #bbb;
    margin-top: 10px;
}

.section {
    padding: 80px 10%;
}

.dark {
    background: #0b1020;
}

h2 {
    color: #4da3ff;
    font-size: 32px;
    margin-bottom: 40px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 25px;
    background: #4da3ff;
    color: black;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    transform: scale(1.05);
}

.center {
    text-align: center;
    margin-top: 30px;
}

.center-text {
    text-align: center;
    max-width: 800px;
    margin: auto;
}

footer {
    text-align: center;
    padding: 30px;
    background: #05070f;
    color: #777;
}

.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s ease;
}

.fade-up.show {
    opacity: 1;
    transform: translateY(0);
}