/* FAQ Enhanced Styles */
.faq-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 6rem 1rem 4rem;
    text-align: center;
    color: white;
}

.faq-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.faq-hero .subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 600;
    max-width: 700px;
    margin: 0 auto;
}

/* Sticky TOC Navigation */
.faq-toc {
    position: sticky;
    top: 0;
    z-index: 998;
    background: var(--card-background);
    border: 2px solid #667eea;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem auto;
    max-width: 1200px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

.faq-toc h2 {
    color: #667eea;
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 800;
    margin-bottom: 1rem;
    border-bottom: 3px solid #667eea;
    padding-bottom: 0.5rem;
}

.faq-toc ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.faq-toc ul li a {
    display: block;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(240, 147, 251, 0.1));
    border-radius: 8px;
    color: #667eea;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.faq-toc ul li a:hover {
    transform: translateY(-3px);
    border-color: #667eea;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* FAQ Section */
.faq-section {
    padding: 3rem 1rem;
}

.faq-grid {
    display: grid;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.faq-category {
    background: var(--card-background);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--border-color);
    scroll-margin-top: 120px;
}

.faq-category h2 {
    color: #667eea;
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid #667eea;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.faq-category h2 i {
    font-size: 2rem;
}

.faq-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(240, 147, 251, 0.05));
    border-radius: 12px;
    border-left: 4px solid #667eea;
    transition: all 0.3s;
}

.faq-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.faq-item h3 {
    color: var(--text-color);
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.faq-item h3::before {
    content: '❓';
    font-size: 1.5rem;
}

.faq-item p, .faq-item ol {
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.faq-item ol {
    padding-left: 1.5rem;
}

.faq-item ol li {
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

.faq-item a {
    color: #667eea;
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
}

.faq-item a:hover {
    border-bottom-color: #667eea;
}

/* Buttons */
.btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
    margin-top: 1.5rem;
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

/* Contact CTA */
.contact-cta {
    padding: 5rem 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    text-align: center;
    color: white;
}

.contact-cta h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: 1rem;
}

.contact-cta p {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: 2rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.6);
}

/* Responsive */
@media (max-width: 992px) {
    .faq-toc ul {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .faq-hero {
        padding: 4rem 1rem 2rem;
    }
    
    .faq-toc {
        padding: 1rem;
        margin: 1rem;
    }
    
    .faq-toc ul {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .faq-toc ul li a {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .faq-category {
        padding: 1.5rem;
    }
    
    .faq-category h2 {
        font-size: 1.3rem;
    }
    
    .faq-category h2 i {
        font-size: 1.5rem;
    }
    
    .faq-item {
        padding: 1rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .faq-toc {
        padding: 0.75rem;
        margin: 0.5rem;
    }
    
    .faq-toc h2 {
        font-size: 1.1rem;
    }
    
    .faq-toc ul li a {
        padding: 0.5rem;
        font-size: 0.85rem;
    }
    
    .faq-category {
        padding: 1rem;
    }
    
    .faq-item h3 {
        font-size: 1rem;
    }
    
    .btn-accent {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }
}