/* FAQ Section */
.faq {
    padding: var(--spacing-5xl) 0;
    background-color: var(--color-bg-primary);
}

.faq .container {
    max-width: 800px;
}

/* FAQ List */
.faq__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-3xl);
}

/* FAQ Item */
.faq__item {
    background-color: var(--color-bg-secondary);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-base);
    overflow: hidden;
    transition: all var(--duration-base) var(--ease-out);
}

.faq__item:hover {
    border-color: var(--color-border-dark);
    box-shadow: var(--shadow-sm);
}

.faq__item.is-open {
    border-color: var(--color-text-primary);
}

/* FAQ Question (Button) */
.faq__question {
    width: 100%;
    background: none;
    border: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-family-heading);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    transition: all var(--duration-base) var(--ease-out);
    position: relative;
}

.faq__question:hover {
    background-color: var(--color-bg-primary);
}

.faq__question:focus {
    outline: 2px solid var(--color-text-primary);
    outline-offset: -2px;
}

/* FAQ Question Text */
.faq__question-text {
    flex: 1;
    margin-right: var(--spacing-md);
}

/* FAQ Toggle Icon */
.faq__toggle {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--duration-base) var(--ease-out);
}

.faq__toggle::before,
.faq__toggle::after {
    content: '';
    position: absolute;
    background-color: var(--color-text-primary);
    transition: all var(--duration-base) var(--ease-out);
}

/* Minus icon (default expanded state) */
.faq__toggle::before {
    width: 12px;
    height: 2px;
}

.faq__toggle::after {
    width: 2px;
    height: 12px;
    opacity: 0;
}

/* Plus icon when closed */
.faq__item.is-closed .faq__toggle::after {
    opacity: 1;
}

/* FAQ Answer - Default expanded */
.faq__answer {
    max-height: 1000px; /* Default expanded */
    overflow: visible;
    padding: 0 var(--spacing-xl) var(--spacing-lg);
    transition: max-height var(--duration-slow) var(--ease-in-out),
                padding var(--duration-slow) var(--ease-in-out);
}

.faq__item.is-closed .faq__answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 var(--spacing-xl) 0;
}

.faq__answer-content {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    padding-top: var(--spacing-sm);
}

.faq__answer-content p {
    margin: 0;
}

.faq__answer-content p + p {
    margin-top: var(--spacing-md);
}

/* Strong text in answers */
.faq__answer-content strong {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-semibold);
}

/* Links in answers */
.faq__answer-content a {
    color: var(--color-text-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: all var(--duration-base) var(--ease-out);
}

.faq__answer-content a:hover {
    text-decoration-thickness: 2px;
}

/* FAQ Categories (if needed) */
.faq__category {
    margin-top: var(--spacing-4xl);
}

.faq__category:first-child {
    margin-top: var(--spacing-3xl);
}

.faq__category-title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: var(--border-width) solid var(--color-border);
}

/* Responsive Design */
@media (max-width: 768px) {
    .faq {
        padding: var(--spacing-4xl) 0;
    }
    
    .faq__question {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    .faq__question-text {
        margin-right: var(--spacing-sm);
    }
    
    .faq__toggle {
        width: 20px;
        height: 20px;
    }
    
    .faq__toggle::before {
        width: 10px;
    }
    
    .faq__toggle::after {
        height: 10px;
    }
    
    .faq__item.is-open .faq__answer {
        padding: 0 var(--spacing-lg) var(--spacing-md);
    }
    
    .faq__answer-content {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .faq__question {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .faq__item.is-open .faq__answer {
        padding: 0 var(--spacing-md) var(--spacing-sm);
    }
    
    .faq__answer-content {
        font-size: var(--font-size-xs);
    }
}

/* Tablet styles */
@media (min-width: 769px) and (max-width: 1024px) {
    .faq__question {
        font-size: var(--font-size-lg);
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .faq__item {
        border-width: var(--border-width-thick);
    }
    
    .faq__item.is-open {
        background-color: var(--color-text-primary);
    }
    
    .faq__item.is-open .faq__question {
        color: var(--color-bg-primary);
    }
    
    .faq__item.is-open .faq__toggle::before,
    .faq__item.is-open .faq__toggle::after {
        background-color: var(--color-bg-primary);
    }
    
    .faq__item.is-open .faq__answer-content {
        color: var(--color-bg-primary);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .faq__item,
    .faq__question,
    .faq__toggle,
    .faq__toggle::before,
    .faq__toggle::after,
    .faq__answer {
        transition: none;
    }
    
    .faq__item.is-open .faq__answer {
        max-height: none;
    }
}

/* Print styles */
@media print {
    .faq {
        padding: var(--spacing-lg) 0;
    }
    
    .faq__item {
        break-inside: avoid;
        border: var(--border-width) solid var(--color-border);
        margin-bottom: var(--spacing-md);
    }
    
    .faq__answer {
        max-height: none;
        padding: 0 var(--spacing-xl) var(--spacing-lg);
    }
    
    .faq__toggle {
        display: none;
    }
    
    .faq__question::after {
        content: '';
    }
}

/* Animation for FAQ items appearing */
.faq__item {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.faq__item:nth-child(1) { animation-delay: 0.1s; }
.faq__item:nth-child(2) { animation-delay: 0.2s; }
.faq__item:nth-child(3) { animation-delay: 0.3s; }
.faq__item:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .faq__item {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* Keyboard navigation enhancement */
.faq__question:focus-visible {
    outline: 2px solid var(--color-text-primary);
    outline-offset: 2px;
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}