/* ========================
   About Page Styles
   ======================== */

/* Mobile-specific optimizations */
@media (max-width: 768px) {
    /* Improve touch targets */
    .btn,
    .tool-tag,
    .detail-item,
    .interests-list li {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Optimize images for mobile */
    .about-profile-img {
        transition: transform 0.3s ease;
    }
    
    /* Enhance readability on mobile */
    p {
        line-height: 1.6;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Optimize scroll performance */
    * {
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }
}

/* About Hero Section */
.about-hero {
    padding: calc(var(--header-height) + 3rem) 0 5rem;
    background: var(--background-secondary);
}

.about-hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 2rem;
    line-height: 1.1;
}

.hero-intro {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.about-hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-profile-img {
    width: 250px;
    height: 250px;
    border-radius: 20px;
    object-fit: cover;
    box-shadow: var(--shadow-large);
    border: 4px solid var(--primary-color);
}

/* Professional Summary */
.professional-summary {
    padding: 5rem 0;
    background: var(--background-primary);
}

.summary-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.summary-text {
    margin-bottom: 4rem;
}

.summary-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-small);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin: 0;
}

/* Skills Detailed */
.skills-detailed {
    padding: 5rem 0;
    background: var(--background-secondary);
}

.skills-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.skill-category {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-small);
}

.skill-category:nth-child(3) {
    grid-column: 1 / -1;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.skill-name {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    min-width: 120px;
}

.skill-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 2;
    min-width: 200px;
}

.progress-bar {
    height: 8px;
    background: var(--background-secondary);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    flex: 1;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--primary-color);
    border-radius: 10px;
    width: 0%;
    transition: width 1.5s ease;
}

.progress-bar.animate::after {
    width: var(--progress-width);
}

.progress-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 35px;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.tool-tag {
    background: var(--background-secondary);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
}

.tool-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Education Section */
.education {
    padding: 5rem 0;
    background: var(--background-primary);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.education-item {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-small);
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: var(--transition);
}

.education-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
}

.education-icon {
    background: var(--primary-color);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.education-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.education-institution {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.education-year {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.education-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Experience Section */
.experience {
    padding: 5rem 0;
    background: var(--background-secondary);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.experience-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-small);
    overflow: hidden;
    transition: var(--transition);
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
}

.experience-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.experience-year {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.experience-type {
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.9;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
}

.experience-content {
    padding: 2rem;
}

.experience-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.experience-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.experience-achievements {
    margin-bottom: 1.5rem;
}

.experience-achievements h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.experience-achievements ul {
    list-style: none;
    padding: 0;
}

.experience-achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.experience-achievements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.experience-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: var(--background-secondary);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.tech-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Personal Section */
.personal {
    padding: 5rem 0;
    background: var(--background-primary);
}

.personal-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.personal-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.personal-interests h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.interests-list {
    list-style: none;
    padding: 0;
}

.interests-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--background-secondary);
    border-radius: 8px;
    transition: var(--transition);
}

.interests-list li:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(10px);
}

.interests-list i {
    color: var(--primary-color);
    width: 20px;
    text-align: center;
}

.interests-list li:hover i {
    color: white;
}

/* Location Section */
.location {
    padding: 5rem 0;
    background: var(--background-secondary);
}

.location-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.location-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.location-info p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.location-details {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-small);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--background-secondary);
    border-radius: 8px;
    transition: var(--transition);
}

.detail-item:last-child {
    margin-bottom: 0;
}

.detail-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.detail-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
    width: 20px;
    text-align: center;
}

.detail-item:hover i {
    color: white;
}

.detail-item span {
    font-weight: 600;
    color: var(--text-primary);
}

.detail-item:hover span {
    color: white;
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: var(--primary-color);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.cta-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn-primary {
    background: white;
    color: var(--primary-color);
}

.cta .btn-primary:hover {
    background: var(--background-secondary);
    transform: translateY(-2px);
}

.cta .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta .btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

/* Responsive Design */

/* Large Tablets */
@media (max-width: 1024px) {
    .about-hero-content {
        gap: 3rem;
    }

    .page-title {
        font-size: 3rem;
    }

    .skills-categories {
        gap: 2rem;
    }

    .summary-stats {
        gap: 1.5rem;
    }

    .experience-grid {
        gap: 1.5rem;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .about-hero {
        padding: calc(var(--header-height) + 2rem) 0 3rem;
    }

    .about-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .page-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }

    .hero-intro {
        font-size: 1.125rem;
    }

    .about-profile-img {
        width: 200px;
        height: 200px;
    }

    .professional-summary,
    .skills-detailed,
    .education,
    .experience,
    .personal,
    .location,
    .cta {
        padding: 3rem 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .summary-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .stat-item {
        padding: 1.5rem;
    }

    .skills-categories {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .skill-category {
        padding: 2rem;
    }

    .experience-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .experience-card {
        margin-bottom: 1rem;
    }

    .experience-header {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .experience-year {
        font-size: 1.1rem;
    }

    .experience-type {
        font-size: 0.8rem;
    }

    .experience-content {
        padding: 1.5rem;
    }

    .experience-title {
        font-size: 1.3rem;
    }

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

    .education-item {
        padding: 2rem;
    }

    .personal-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .interests-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .location-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .location-details {
        padding: 2rem;
    }

    .detail-item {
        padding: 1rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .cta .btn-primary,
    .cta .btn-secondary {
        width: 250px;
        max-width: 100%;
    }
}

/* Mobile Large */
@media (max-width: 576px) {
    .about-hero {
        padding: calc(var(--header-height) + 1.5rem) 0 2rem;
    }

    .page-title {
        font-size: 2.2rem;
    }

    .hero-intro {
        font-size: 1rem;
    }

    .about-profile-img {
        width: 180px;
        height: 180px;
    }

    .professional-summary,
    .skills-detailed,
    .education,
    .experience,
    .personal,
    .location,
    .cta {
        padding: 2.5rem 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .summary-text p {
        font-size: 1rem;
    }

    .stat-item {
        padding: 1.25rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .skill-category {
        padding: 1.5rem;
    }

    .category-title {
        font-size: 1.3rem;
    }

    .experience-content {
        padding: 1.25rem;
    }

    .experience-title {
        font-size: 1.2rem;
    }

    .experience-achievements li {
        font-size: 0.9rem;
    }

    .education-item {
        padding: 1.5rem;
    }

    .education-title {
        font-size: 1.3rem;
    }

    .interests-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .interests-list li {
        justify-content: center;
        padding: 1rem;
    }

    .location-details {
        padding: 1.5rem;
    }

    .detail-item {
        padding: 0.75rem;
    }

    .cta-title {
        font-size: 1.8rem;
    }

    .cta-description {
        font-size: 1rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .about-hero {
        padding: calc(var(--header-height) + 1rem) 0 1.5rem;
    }

    .page-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    .hero-intro {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    .about-profile-img {
        width: 150px;
        height: 150px;
    }

    .professional-summary,
    .skills-detailed,
    .education,
    .experience,
    .personal,
    .location,
    .cta {
        padding: 2rem 0;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 1.5rem;
    }

    .summary-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .stat-item {
        padding: 1rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .skill-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .skill-progress {
        width: 100%;
        margin-top: 0.5rem;
    }

    .progress-text {
        font-size: 0.9rem;
    }

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .tool-tag {
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
    }

    .experience-grid {
        gap: 1rem;
    }

    .experience-header {
        padding: 1rem 1.5rem;
    }

    .experience-year {
        font-size: 1rem;
    }

    .experience-type {
        font-size: 0.75rem;
    }

    .experience-content {
        padding: 1rem;
    }

    .experience-title {
        font-size: 1.1rem;
    }

    .experience-description {
        font-size: 0.9rem;
    }

    .experience-achievements {
        font-size: 0.85rem;
    }

    .experience-achievements h4 {
        font-size: 0.9rem;
    }

    .tech-tag {
        font-size: 0.75rem;
        padding: 0.2rem 0.6rem;
    }

    .education-item {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
    }

    .education-icon {
        margin-bottom: 1rem;
    }

    .education-title {
        font-size: 1.2rem;
    }

    .education-institution {
        font-size: 0.9rem;
    }

    .education-year {
        font-size: 0.9rem;
    }

    .education-description {
        font-size: 0.9rem;
    }

    .personal-text p {
        font-size: 0.9rem;
    }

    .personal-interests h3 {
        font-size: 1.2rem;
    }

    .interests-list li {
        padding: 0.75rem;
        font-size: 0.9rem;
    }

    .location-info h3 {
        font-size: 1.3rem;
    }

    .location-info p {
        font-size: 0.9rem;
    }

    .location-details {
        padding: 1.25rem;
    }

    .detail-item {
        padding: 0.6rem;
        font-size: 0.9rem;
    }

    .detail-item i {
        font-size: 1.1rem;
    }

    .cta-title {
        font-size: 1.6rem;
    }

    .cta-description {
        font-size: 0.9rem;
    }

    .cta .btn-primary,
    .cta .btn-secondary {
        width: 200px;
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Mobile Small */
@media (max-width: 375px) {
    .container {
        padding: 0 0.75rem;
    }

    .page-title {
        font-size: 1.8rem;
    }

    .about-profile-img {
        width: 130px;
        height: 130px;
    }

    .section-title {
        font-size: 1.4rem;
    }

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

    .experience-content {
        padding: 0.75rem;
    }

    .experience-title {
        font-size: 1rem;
    }

    .tech-tag {
        font-size: 0.7rem;
        padding: 0.15rem 0.5rem;
    }

    .education-item {
        padding: 1rem;
    }

    .interests-list li {
        padding: 0.6rem;
    }

    .location-details {
        padding: 1rem;
    }

    .detail-item {
        padding: 0.5rem;
    }

    .cta .btn-primary,
    .cta .btn-secondary {
        width: 180px;
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
}