/* Differential Section Styles */
.differential {
    padding: var(--spacing-5xl) 0;
    background: var(--background-light);
    position: relative;
    overflow: hidden;
}

.differential::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 80% 20%, rgba(208, 150, 112, 0.08), transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(208, 150, 112, 0.05), transparent 50%);
    pointer-events: none;
}

.differential-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-5xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.differential-text {
    max-width: 600px;
}

.differential-text p {
    font-size: var(--text-lg);
    line-height: 1.7;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
}

.differential-text p:last-of-type {
    margin-bottom: var(--spacing-2xl);
}

.differential-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.diff-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--background-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.diff-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    transform: scaleY(0);
    transform-origin: bottom;
    transition: var(--transition-normal);
}

.diff-feature:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.diff-feature:hover::before {
    transform: scaleY(1);
}

.diff-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.diff-icon i {
    font-size: var(--text-xl);
    color: var(--text-primary);
    z-index: 2;
    position: relative;
}

.diff-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    transform: translate(-50%, -50%);
}

.diff-feature:hover .diff-icon::after {
    width: 100%;
    height: 100%;
}

.diff-content h4 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-primary);
}

.diff-content p {
    font-size: var(--text-base);
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
}

.differential-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.image-composition {
    position: relative;
    width: 400px;
    height: 400px;
}

.main-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 100px;
    box-shadow: var(--shadow-gold);
    position: relative;
    overflow: hidden;
}

.main-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-slow);
}

.differential-image:hover .main-image::before {
    left: 100%;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.element {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--background-card);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-gold);
    font-size: var(--text-xl);
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

.element-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.element-2 {
    top: 60%;
    left: -15%;
    animation-delay: 1s;
}

.element-3 {
    bottom: 10%;
    right: 10%;
    animation-delay: 2s;
}

/* Animation Effects */
.differential-content > * {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.differential-text {
    animation-delay: 0.2s;
}

.differential-image {
    animation-delay: 0.4s;
}

.diff-feature:nth-child(1) {
    animation-delay: 0.6s;
}

.diff-feature:nth-child(2) {
    animation-delay: 0.8s;
}

.diff-feature:nth-child(3) {
    animation-delay: 1s;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .differential-content {
        gap: var(--spacing-3xl);
    }
    
    .image-composition {
        width: 350px;
        height: 350px;
    }
    
    .main-image {
        font-size: 80px;
    }
    
    .element {
        width: 50px;
        height: 50px;
        font-size: var(--text-lg);
    }
    
    .differential-text p {
        font-size: var(--text-base);
    }
    
    .diff-feature {
        padding: var(--spacing-lg);
    }
    
    .diff-icon {
        width: 50px;
        height: 50px;
    }
    
    .diff-icon i {
        font-size: var(--text-lg);
    }
    
    .diff-content h4 {
        font-size: var(--text-lg);
    }
}

@media (max-width: 768px) {
    .differential {
        padding: var(--spacing-3xl) 0;
    }
    
    .differential-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .differential-text {
        max-width: none;
        order: 2;
    }
    
    .differential-image {
        order: 1;
    }
    
    .image-composition {
        width: 300px;
        height: 300px;
        margin: 0 auto;
    }
    
    .main-image {
        font-size: 70px;
    }
    
    .element {
        width: 45px;
        height: 45px;
        font-size: var(--text-base);
    }
    
    .differential-text p {
        text-align: left;
        font-size: var(--text-base);
    }
    
    .diff-feature {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .diff-feature:hover {
        transform: translateY(-5px);
    }
    
    .diff-icon {
        width: 45px;
        height: 45px;
    }
    
    .diff-icon i {
        font-size: var(--text-base);
    }
    
    .diff-content h4 {
        font-size: var(--text-lg);
    }
    
    .diff-content p {
        font-size: var(--text-sm);
    }
}

@media (max-width: 640px) {
    .differential {
        padding: var(--spacing-2xl) 0;
    }
    
    .differential-content {
        gap: var(--spacing-xl);
    }
    
    .image-composition {
        width: 250px;
        height: 250px;
    }
    
    .main-image {
        font-size: 60px;
    }
    
    .element {
        width: 40px;
        height: 40px;
        font-size: var(--text-sm);
    }
    
    .element-1 {
        top: 5%;
        right: -5%;
    }
    
    .element-2 {
        top: 70%;
        left: -10%;
    }
    
    .element-3 {
        bottom: 5%;
        right: 15%;
    }
    
    .differential-features {
        gap: var(--spacing-lg);
    }
    
    .diff-feature {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .diff-feature:hover {
        transform: translateY(-3px);
    }
    
    .diff-icon {
        margin-bottom: var(--spacing-sm);
        width: 50px;
        height: 50px;
    }
    
    .diff-icon i {
        font-size: var(--text-lg);
    }
    
    .diff-content h4 {
        font-size: var(--text-base);
        margin-bottom: var(--spacing-xs);
    }
    
    .diff-content p {
        font-size: var(--text-xs);
    }
}

/* Intersection Observer Animation */
.differential.in-view .differential-content > * {
    animation-play-state: running;
}

/* Special Hover Effect */
.differential-text .section-title {
    position: relative;
    display: inline-block;
}

.differential-text .section-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    transition: var(--transition-slow);
}

.differential-text:hover .section-title::after {
    width: 100%;
}