.bfai-accordion-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--surface-2);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Open State Styling */
.bfai-category-accordion.open {
    border-color: var(--card-accent);
    /* Highlight active card */
    box-shadow: 0 0 0 1px var(--card-accent), var(--shadow-lg);
    /* Glow border */
}

.bfai-category-accordion.open .bfai-accordion-header {
    background: var(--surface-2);
    border-bottom: 1px solid var(--border-subtle);
    border-left-color: var(--card-accent);
}

.bfai-category-accordion.open .bfai-accordion-icon {
    transform: rotate(180deg);
    background: var(--card-accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.bfai-accordion-body {
    padding: var(--space-8);
    background: rgba(0, 0, 0, 0.2);
    /* Darken inner content for depth */
    /* display: none handled in JS/PHP logic */
}

/* Grid inside Accordion */
/* Grid inside Accordion / Main Grid */
.bfai-tool-grid,
.bfai-category-grid-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

/* Footer "View All" Link */
.bfai-accordion-footer {
    text-align: center;
    padding-top: var(--space-4);
    border-top: 1px dashed var(--border-color);
}

.bfai-view-all-btn {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: background 0.2s;
}

.bfai-view-all-btn:hover {
    background: var(--primary-color-dim-ops);
}

/* 4️⃣ Related Categories (Bottom) */
.bfai-related-categories {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--border-subtle);
    position: relative;
}

.bfai-related-categories::before {
    /* Top fade separator */
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.bfai-related-categories h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-6);
    color: var(--text-primary);
    text-align: center;
}

.bfai-related-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

.bfai-related-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: 99px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.bfai-related-pill:hover {
    background: rgba(255, 255, 255, 0.08);
    /* Lighter on hover */
    color: var(--text-primary);
    border-color: var(--brand-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.bfai-related-pill .count {
    font-size: 0.75rem;
    color: var(--text-inverse);
    background: var(--text-muted);
    padding: 2px 8px;
    border-radius: 99px;
    transition: background 0.3s;
}

.bfai-related-pill:hover .count {
    background: var(--brand-primary);
    color: white;
}

/* Tool Rank Badge */
.tool-rank-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--brand-gradient);
    color: #fff;
    font-size: 10px;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 4px;
    z-index: 5;
    box-shadow: var(--shadow-sm);
}

/* =========================================
   Responsive Adjustments
   ========================================= */
@media (max-width: 1024px) {
    .bfai-tool-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .bfai-category-hero {
        flex-direction: column;
    }

    .bfai-hero-left,
    .bfai-hero-right {
        flex: 0 0 100%;
        width: 100%;
    }

    .bfai-hero-right {
        margin-top: var(--space-6);
        justify-content: center;
    }

    .bfai-tool-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bfai-view-all-btn {
        font-size: 0.85rem;
        padding: 6px 14px;
    }
}

@media (max-width: 480px) {

    .bfai-tool-grid,
    .bfai-category-grid-wrapper {
        grid-template-columns: 1fr;
    }
}