.about {
    background: var(--bg-primary);
    position: relative;
    min-height: 100vh;
    padding: 6rem 0;
    display: flex;
    align-items: center;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* About Introduction */
.about-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
}

.about-highlight {
    font-size: 1.5rem;
    line-height: 1.4;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.about-text p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Expertise Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.expertise-card {
    padding: 2rem;
    border-radius: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
}

.expertise-card:hover {
    transform: translateY(-4px);
    background: rgba(0, 123, 255, 0.1);
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.expertise-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.expertise-icon i {
    font-size: 1.5rem;
    color: white;
}

.expertise-card:hover .expertise-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.2);
}

.expertise-card h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.expertise-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.expertise-card li {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.5;
}

.expertise-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* Achievements Section */
.certifications-achievements {
    margin-top: 4rem;
}

.achievements-section {
    padding: 2.5rem;
    border-radius: 1rem;
    text-align: center;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
}

.achievements-section h3 {
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.achievements-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    text-align: left;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.achievement-item:hover {
    background: rgba(0, 123, 255, 0.1);
    border-left-color: var(--accent);
    transform: translateX(4px);
}

.achievement-item i {
    font-size: 1.25rem;
    min-width: 20px;
}

.achievement-item span {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.4;
}

/* Hover Effects */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 123, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0);
    }
}

.expertise-icon:hover {
    animation: pulse 1.5s ease-in-out;
}

/* Responsive Design */
@media (max-width: 968px) {
    .expertise-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .about-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-card {
        padding: 1.5rem;
        margin: 0 -1rem;
    }
    
    .achievements-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .achievements-section {
        padding: 2rem 1.5rem;
        margin: 0 -1rem;
    }
}

@media (max-width: 480px) {
    .about-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .about-highlight {
        font-size: 1.25rem;
    }
    
    .about-text p {
        font-size: 1rem;
    }
    
    .expertise-card {
        padding: 1.25rem;
    }
    
    .expertise-icon {
        width: 50px;
        height: 50px;
    }
    
    .expertise-icon i {
        font-size: 1.25rem;
    }
    
    .achievement-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}