#ai-expertise {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

#ai-expertise::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 107, 107, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(74, 144, 226, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.ai-intro {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #b8b8d4;
}

.ai-expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.ai-category {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.ai-category::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 107, 107, 0.05), transparent);
    transform: rotate(45deg);
    transition: all 0.5s ease;
    opacity: 0;
}

.ai-category:hover::before {
    opacity: 1;
    transform: rotate(45deg) translate(10px, 10px);
}

.ai-category:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 107, 107, 0.3);
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.2);
}

.ai-category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.ai-category-header i {
    font-size: 1.5rem;
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
    padding: 0.5rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.ai-category-header h3 {
    margin: 0;
    font-size: 1.3rem;
    color: #ffffff;
    font-weight: 600;
}

.ai-tools {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ai-tool {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.ai-tool:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 107, 107, 0.2);
    transform: translateX(5px);
}

.ai-tool-icon {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #ff6b6b, #4a90e2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.ai-tool-content h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    color: #ffffff;
    font-weight: 600;
}

.ai-tool-content p {
    margin: 0;
    font-size: 0.9rem;
    color: #b8b8d4;
    line-height: 1.5;
}

.ai-skills-summary {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    text-align: center;
}

.ai-skills-summary h3 {
    margin: 0 0 1.5rem 0;
    font-size: 1.4rem;
    color: #ffffff;
    font-weight: 600;
}

.ai-skills-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.ai-skill {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    justify-content: center;
}

.ai-skill:hover {
    background: rgba(255, 107, 107, 0.1);
    border-color: rgba(255, 107, 107, 0.3);
    transform: translateY(-2px);
}

.ai-skill i {
    font-size: 1rem;
    color: #ff6b6b;
    flex-shrink: 0;
}

.ai-skill span {
    font-size: 0.95rem;
    color: #ffffff;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .ai-expertise-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .ai-category {
        padding: 1.5rem;
    }
    
    .ai-skills-list {
        grid-template-columns: 1fr;
    }
    
    .ai-tool {
        padding: 0.75rem;
    }
    
    .ai-tool-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .ai-category {
        padding: 1rem;
    }
    
    .ai-skills-summary {
        padding: 1.5rem;
    }
    
    .ai-tool-content h4 {
        font-size: 1rem;
    }
    
    .ai-tool-content p {
        font-size: 0.85rem;
    }
}

/* Animation Enhancement */
.ai-tool {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

.ai-tool:nth-child(1) { animation-delay: 0.1s; }
.ai-tool:nth-child(2) { animation-delay: 0.2s; }
.ai-tool:nth-child(3) { animation-delay: 0.3s; }
.ai-tool:nth-child(4) { animation-delay: 0.4s; }
.ai-tool:nth-child(5) { animation-delay: 0.5s; }
.ai-tool:nth-child(6) { animation-delay: 0.6s; }

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