body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.hero-section {
    background: linear-gradient(135deg, #1b263b 0%, #0d1b2a 100%);
    padding: 100px 0;
}

.app-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    border-radius: 15px;
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    letter-spacing: 1px;
}

.btn-warning {
    background-color: #ffd700;
    border: none;
    font-weight: bold;
}

.btn-warning:hover {
    background-color: #ffea00;
}
```

---

### Arquivo 6: `.gitignore`
```
__pycache__/
*.pyc
.env