:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #1a1a24;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-hover: #4f46e5;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 800px;
    width: 100%;
    text-align: center;
}

header {
    margin-bottom: 3rem;
}

.title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 300;
}

.description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.buttons {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--bg-secondary);
    border-color: var(--accent-secondary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    transform: translateY(-4px);
    background: var(--accent-secondary);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.3);
}

.btn-icon {
    font-size: 2.5rem;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
}

.btn-text strong {
    font-size: 1.25rem;
    font-weight: 600;
}

.btn-text small {
    font-size: 0.875rem;
    opacity: 0.8;
}

footer {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 4rem;
}

/* Responsive */
@media (min-width: 768px) {
    .buttons {
        flex-direction: row;
    }

    .btn {
        flex: 1;
    }
}

@media (max-width: 640px) {
    .title {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .description {
        font-size: 1rem;
    }

    .btn {
        padding: 1.25rem 1.5rem;
    }

    .btn-icon {
        font-size: 2rem;
    }
}