:root {
    --primary-color: #4361ee;
    --secondary-color: #474e5d;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --success-color: #28a745;
    --info-color: #3a56d4;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
    padding: 0.5rem 0;
}

.navbar-brand img {
    max-height: 40px;
}

.main-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.demo-card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,.1);
    padding: 1rem 2rem;
    width: 100%;
    max-width: 500px;
    text-align: center;
}

.demo-card h2 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.5rem;
}

.demo-card .icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.demo-card p {
    margin-bottom: 1rem;
    color: #666;
}

.recaptcha-container {
    margin: 1.5rem 0;
    display: flex;
    justify-content: center;
}

.progress-container {
    margin-top: 2rem;
    display: none;
}

.progress {
    height: 20px;
    border-radius: 5px;
    background-color: #e9ecef;
}

.progress-bar {
    background-color: var(--primary-color);
}

.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 1.5rem 0;
    text-align: center;
    margin-top: auto;
}
.footer p {
    margin: 0;
}

.help-text {
    margin-top: 2rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 5px;
    border-left: 4px solid var(--info-color);
}

.help-text p {
    margin-bottom: 0;
}

.help-text a {
    color: var(--info-color);
    text-decoration: none;
    font-weight: 500;
}

.help-text a:hover {
    text-decoration: underline;
}

.error-message {
    color: #dc3545;
    margin-top: 0.5rem;
    display: none;
}

.category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: #e9ecef;
    color: var(--secondary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .demo-card {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .recaptcha-container {
        transform: scale(0.85);
        transform-origin: center;
    }
}