.about-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    animation: fadeInUp 1s ease-out;
    text-align: center;
}

.about-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    animation: fadeInUp 1s ease-out 0.3s both;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.about-main {
    padding: 80px 0;
    background: var(--neutral-bg);
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-intro {
    background: var(--card-bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-subtle);
    transition: all 0.3s ease;
    position: relative;
}

.about-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: var(--accent-line-width);
    height: var(--accent-line-height);
    background: var(--primary-gradient);
    transition: transform 0.3s ease;
    border-radius: 0 0 4px 4px;
}

.about-intro:hover::before {
    transform: translateX(-50%) scaleX(1);
}

.about-intro:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-large);
    border-color: var(--accent-purple);
}

.about-intro h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.about-intro p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.about-intro p:last-child {
    margin-bottom: 0;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.expertise-card {
    background: var(--card-bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    padding: 28px;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: var(--shadow-subtle);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: var(--accent-line-width);
    height: var(--accent-line-height);
    background: var(--primary-gradient);
    transition: transform 0.3s ease;
    border-radius: 0 0 4px 4px;
}

.expertise-card:hover::before {
    transform: translateX(-50%) scaleX(1);
}

.expertise-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-large);
    border-color: var(--accent-purple);
}

.expertise-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-purple);
    transition: all 0.3s ease;
}

.expertise-card:hover .expertise-icon {
    color: var(--accent-cyan);
    transform: scale(1.05);
}

.expertise-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.expertise-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
    flex-grow: 1;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    color: var(--text-primary);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

@media ( max-width : 992px) {
    .about-title {
        font-size: 2.5rem;
    }
    .about-intro {
        padding: var(--spacing-xl);
    }
    .expertise-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    .section-title {
        font-size: 2rem;
    }
}

@media ( max-width : 768px) {
    .about-title {
        font-size: 2rem;
    }
    .about-subtitle {
        font-size: 1.1rem;
    }
    .about-intro {
        padding: var(--spacing-lg);
    }
    .about-intro h2 {
        font-size: 1.6rem;
    }
    .expertise-card {
        padding: 20px;
    }
    .section-title {
        font-size: 1.8rem;
        margin-bottom: var(--spacing-xl);
    }
}

@media ( max-width : 576px) {
    .about-main {
        padding: var(--spacing-2xl) 0;
    }
    .about-intro {
        padding: 20px;
    }
    .expertise-grid {
        grid-template-columns: 1fr;
    }
}