body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #000;
    color: #fff;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

header, main, footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: 0 20px;
}

.top-highlight {
    color: #aaa;
    font-size: 14px;
    margin-bottom: 10px;
}

h1 {
    font-size: 10vw;
    margin: 0;
    font-weight: 600;
}

h2 {
    font-size: 3vw;
    margin: 0;
    font-weight: 400;
    color: #aaa;
}

h3 {
    font-size: 5vw;
    margin: 0;
    font-weight: 500;
}

.content {
    margin-top: 50vh;
}

p {
    font-size: 2.2vw;
    line-height: 1.6;
    color: #ccc;
}

.centered-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

h4 {
    font-size: 4vw;
    margin: 0;
    font-weight: 500;
}

.contact {
    margin-top: 20px;
    font-size: 1.2vw;
    color: #aaa;
}

.glow {
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0% {
        text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #00f, 0 0 40px #00f;
    }
    50% {
        text-shadow: 0 0 20px #fff, 0 0 30px #00f, 0 0 40px #00f, 0 0 50px #00f, 0 0 60px #00f;
    }
    100% {
        text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #00f, 0 0 40px #00f;
    }
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 18vw;
    }
    h2 {
        font-size: 5vw;
    }
    h3 {
        font-size: 8vw;
    }
    p {
        font-size: 4.2vw;
    }
    h4 {
        font-size: 7vw;
    }
    .contact {
        font-size: 2.5vw;
    }
}