.about {
    padding: 100px 0;
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 60px;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-text h2::before {
    content: '# ';
    color: var(--cyan);
    font-family: var(--font-mono);
    font-weight: 400;
    font-size: 24px;
    opacity: 0.6;
}

.about-text p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.experience-stats {
    display: flex;
    gap: 32px;
    margin-top: 32px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--cyan);
    line-height: 1.1;
    font-family: var(--font-mono);
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
    font-family: var(--font-mono);
}

.about-image {
    flex: 0 0 320px;
    display: flex;
    justify-content: center;
}

.about-avatar {
    width: 300px;
    height: 300px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 160px;
    color: var(--text-muted);
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
}

.about-avatar:hover {
    transform: scale(1.02);
    border-color: var(--cyan);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.1);
}

.skills-section {
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.skills-section h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 36px;
    text-align: center;
    position: relative;
}

.skills-section h3::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--gradient-cyan);
    border-radius: 2px;
    margin: 8px auto 0;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.skill-category {
    background: var(--bg-card);
    border-radius: 8px;
    padding: 28px 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
    border-top: 3px solid transparent;
    transition: border-color 0.4s cubic-bezier(0.15, 0.85, 0.35, 1), box-shadow 0.4s cubic-bezier(0.15, 0.85, 0.35, 1), transform 0.4s cubic-bezier(0.15, 0.85, 0.35, 1);
}

.skill-category:hover {
    border-top-color: var(--cyan);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 240, 255, 0.08);
    transform: translateY(-4px);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.skill-category-header i {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--cyan);
    flex-shrink: 0;
    transition: background 0.25s ease-out, border-color 0.25s ease-out;
}

.skill-category:hover .skill-category-header i {
    background: var(--cyan-dim);
    border-color: var(--cyan);
}

.skill-category-header h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    font-family: var(--font-mono);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    font-family: var(--font-mono);
    border: 1px solid var(--border);
    transition: opacity 0.5s cubic-bezier(0.15, 0.85, 0.35, 1), transform 0.5s cubic-bezier(0.15, 0.85, 0.35, 1), background 0.4s cubic-bezier(0.15, 0.85, 0.35, 1), color 0.4s cubic-bezier(0.15, 0.85, 0.35, 1), border-color 0.4s cubic-bezier(0.15, 0.85, 0.35, 1), box-shadow 0.4s cubic-bezier(0.15, 0.85, 0.35, 1);
}

.skill-tag i {
    font-size: 13px;
}

.skill-tag:hover {
    background: var(--cyan-dim);
    color: var(--cyan);
    border-color: var(--cyan);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 240, 255, 0.15);
}

.skill-category:nth-child(1) .skill-tag:nth-child(1) { transition-delay: 0s; }
.skill-category:nth-child(1) .skill-tag:nth-child(2) { transition-delay: 0.05s; }
.skill-category:nth-child(1) .skill-tag:nth-child(3) { transition-delay: 0.1s; }
.skill-category:nth-child(1) .skill-tag:nth-child(4) { transition-delay: 0.15s; }
.skill-category:nth-child(2) .skill-tag:nth-child(1) { transition-delay: 0.2s; }
.skill-category:nth-child(2) .skill-tag:nth-child(2) { transition-delay: 0.25s; }
.skill-category:nth-child(2) .skill-tag:nth-child(3) { transition-delay: 0.3s; }
.skill-category:nth-child(2) .skill-tag:nth-child(4) { transition-delay: 0.35s; }
.skill-category:nth-child(3) .skill-tag:nth-child(1) { transition-delay: 0.4s; }
.skill-category:nth-child(3) .skill-tag:nth-child(2) { transition-delay: 0.45s; }
.skill-category:nth-child(3) .skill-tag:nth-child(3) { transition-delay: 0.5s; }
.skill-category:nth-child(3) .skill-tag:nth-child(4) { transition-delay: 0.55s; }

@media (max-width: 992px) {
    .about-content {
        flex-direction: column-reverse;
        gap: 40px;
    }

    .about-text {
        text-align: center;
    }

    .experience-stats {
        justify-content: center;
    }

    .about-image {
        flex: 0 0 auto;
    }

    .about-avatar {
        width: 220px;
        height: 220px;
        font-size: 100px;
    }
}

@media (max-width: 768px) {
    .about {
        padding: 60px 0;
    }

    .about-text h2 {
        font-size: 28px;
    }

    .experience-stats {
        gap: 24px;
        flex-wrap: wrap;
    }

    .stat-number {
        font-size: 30px;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }
}