/* Global Styles */
html,
body {
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    background: #f7f7f7;
    width: 100%;
    overflow-x: hidden;
    line-height: 1.7;
}

a {
    color: #309be3;
    text-decoration: none;
    transition: color 0.3s, background-color 0.3s, box-shadow 0.3s;
}

a:hover {
    color: #1f76c3;
}

/* Container Styles */
.container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

/* Jumbotron Custom Styles */
.jumbotron {
    background: #fff;
    padding: 2.5rem 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.display-3 {
    font-size: 4rem;
    margin-bottom: 0.5rem;
    color: #007bff;
}

.lead {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #495057;
}

.text-muted {
    color: #6c757d;
    font-size: 1.1rem;
}

.btn-primary {
    padding: 0.55rem 1.5rem;
    border-radius: 0.3rem;
    transition: background-color 0.3s, transform 0.2s;
}

.btn-primary:hover {
    background-color: #1f76c3;
    transform: translateY(-2px);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .display-3 {
        font-size: 3rem;
    }
    .lead {
        font-size: 1.1rem;
    }
    .btn-primary {
        padding: 0.65rem 1.2rem;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .display-3 {
        font-size: 2.5rem;
    }
    .lead {
        font-size: 1rem;
    }
    .btn-primary {
        padding: 0.6rem 1rem;
        font-size: 0.95rem;
    }
}