body, html {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #0d1117;
    color: #c9d1d9;
    line-height: 1.6;
}

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    text-align: center;
    justify-content: center;
    align-items: center;
    padding: 0 2rem;
}

.header {
    width: 100%;
    padding: 1.5rem 0;
    position: absolute;
    top: 0;
    left: 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f0f6fc;
}

.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.headline {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    line-height: 1.1;
    margin: 0 0 1.5rem;
    max-width: 800px;
    background: -webkit-linear-gradient(45deg, #58a6ff, #a371f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subheadline {
    font-size: 1.25rem;
    color: #8b949e;
    margin: 0 0 2.5rem;
    max-width: 650px;
}

.launch-button {
    display: inline-block;
    background: #238636;
    color: #ffffff;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background-color 0.2s ease, transform 0.2s ease;
    box-shadow: 0 4px 14px 0 rgba(0, 118, 255, 0.39);
}

.launch-button:hover {
    background: #2ea043;
    transform: translateY(-2px);
}

.footer {
    width: 100%;
    padding: 2rem 0;
    font-size: 0.875rem;
    color: #484f58;
    position: absolute;
    bottom: 0;
    left: 0;
}

@media (max-width: 768px) {
    .headline {
        font-size: 2.5rem;
    }
    .subheadline {
        font-size: 1rem;
    }
    .launch-button {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
}