/* Enhanced About Hero Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin: 3rem 0;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr); /* Changed from 3 to 2 columns */
    }
}

.about-box {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-left: 4px solid var(--accent-primary);
}

.about-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.about-box h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.about-box p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.about-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-box {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.stat-box:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.stat-box h3 {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-box p {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Achievements Section */
#achievements {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

#achievements h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.achievements-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .achievements-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.achievement-box {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-left: 4px solid var(--accent-primary);
}

.achievement-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.achievement-box h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.achievement-box ul {
    list-style: none;
}

.achievement-box li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.achievement-box li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* Experience Section */
#experience {
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.02), rgba(37, 99, 235, 0.02));
}

#experience h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-gradient);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 5rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 1.25rem;
    top: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: var(--accent-gradient);
    box-shadow: 0 0 0 4px var(--bg-primary);
}

.timeline-content {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent-primary);
}

.timeline-date {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-content ul {
    list-style: none;
    margin-top: 1rem;
}

.timeline-content li {
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.timeline-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

/* Skills Section (About Page Version) */
#skills {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

#skills h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.skill-category {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
    border-top: 4px solid var(--accent-primary);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.skill-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.skill-category p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 500;
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 2rem;
    margin-top: 2rem;
}

/* About Page Mobile Responsiveness */
@media (max-width: 768px) {
    #about-hero {
        padding: 6rem 0 3rem;
    }
    
    .about-content h1 {
        font-size: 2.5rem;
    }
    
    .timeline {
        padding-left: 1rem;
    }
    
    .timeline::before {
        left: 1rem;
    }
    
    .timeline-item {
        padding-left: 3rem;
    }
    
    .timeline-item::before {
        left: 0.25rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .stat-box {
        padding: 1rem;
    }
    
    .stat-box h3 {
        font-size: 2rem;
    }

    .lead {
        font-size: 1.125rem;
        margin-bottom: 2rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stat-box {
        padding: 1.5rem;
    }

    .stat-box h3 {
        font-size: 2rem;
    }
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columns on tablets */
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}