/* ============================================
   About AI Page Styles
   ============================================ */

.about-hero {
    margin-top: 80px;
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    text-align: center;
    background: linear-gradient(135deg, #0A0E27 0%, #1a1f3a 100%);
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 51, 102, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.about-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.about-hero .hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: white;
    position: relative;
    z-index: 1;
}

.hero-desc {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.content-section {
    padding: var(--spacing-3xl) 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-2xl);
}

.main-content {
    animation: fadeInUp 0.8s ease;
}

.content-block {
    margin-bottom: var(--spacing-3xl);
}

.content-block h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    color: var(--color-dark);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.content-block h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.content-block h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    margin: var(--spacing-xl) 0 var(--spacing-md);
    color: var(--color-dark);
}

.content-block h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.content-block p {
    line-height: 1.8;
    color: #2d3748;
    margin-bottom: var(--spacing-md);
}

.ai-type,
.concept {
    background: #f8f9fa;
    padding: var(--spacing-lg);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition-base);
}

.ai-type:hover,
.concept:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.ai-type h4,
.concept h4 {
    margin-bottom: var(--spacing-sm);
}

.ai-type p,
.concept p {
    margin: 0;
    color: #4a5568;
}

.process-step {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
}

.step-content h4 {
    margin-top: 0;
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    margin: 0;
    color: #4a5568;
}

.challenges-list,
.future-list {
    list-style: none;
    padding: 0;
}

.challenges-list li,
.future-list li {
    padding-left: 2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    line-height: 1.7;
    color: #2d3748;
}

.challenges-list li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

.future-list li::before {
    content: '🚀';
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

/* Sidebar */
.sidebar {
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.sidebar-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.sidebar-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.fact {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.fact:last-child {
    border-bottom: none;
}

.fact-label {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: 0.25rem;
}

.fact-value {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
}

.related-list {
    list-style: none;
    padding: 0;
}

.related-list li {
    margin-bottom: var(--spacing-sm);
}

.related-list a {
    color: var(--color-dark);
    font-weight: 500;
    transition: var(--transition-base);
    display: block;
    padding: var(--spacing-xs) 0;
}

.related-list a:hover {
    color: var(--color-primary);
    padding-left: var(--spacing-xs);
}

/* Responsive */
@media (max-width: 968px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        order: -1;
    }
    
    .sidebar-card {
        max-width: 600px;
        margin: 0 auto var(--spacing-lg);
    }
}

@media (max-width: 640px) {
    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .step-number {
        margin-bottom: var(--spacing-sm);
    }
}