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

body {
    min-height: 100vh;
    background: #0a0a0f;
    color: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    text-align: center;
}

header {
    margin-bottom: 3rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    margin-top: 0.5rem;
    font-size: 1.25rem;
    color: #888;
    font-weight: 300;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 212, 255, 0.15);
}

.video-container video {
    width: 100%;
    display: block;
}

footer {
    margin-top: 3rem;
    color: #444;
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .container {
        padding: 1rem;
    }
}