    /* Animation classes */
    .animate-on-scroll {
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.8s ease;
    }

    .animate-on-scroll.animate {
        opacity: 1;
        transform: translateY(0);
    }

    /* About Hero Section */
    .about-hero {
        background-color: var(--light-gray);
        padding: 100px 0 60px;
        text-align: center;
        position: relative;
        margin-bottom: 60px;
        background-image: linear-gradient(135deg, rgba(52, 152, 219, 0.15), rgba(44, 62, 80, 0.1));
    }

    .about-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.1)"/></svg>');
        background-size: cover;
    }

    .about-hero-content {
        position: relative;
        z-index: 1;
    }

    .about-hero-content h1 {
        font-size: 2.8rem;
        color: var(--secondary-color);
        margin-bottom: 15px;
    }

    .about-hero-content h1 span {
        color: var(--accent-color);
    }

    .about-hero-content p.tagline {
        font-size: 1.3rem;
        color: #666;
        max-width: 600px;
        margin: 0 auto 15px;
    }

    .about-hero-content p.title {
        font-size: 1.1rem;
        font-weight: 500;
        color: var(--primary-color);
        margin-bottom: 15px;
    }

    .about-hero-content p.one-liner {
        font-size: 1.1rem;
        max-width: 700px;
        margin: 0 auto;
        color: #555;
    }

    /* Profile Section */
    .profile-section {
        margin-top: -120px;
        position: relative;
        z-index: 2;
        text-align: center;
        margin-bottom: 60px;
    }

    .profile-image-container {
        width: 180px;
        height: 180px;
        margin: 0 auto;
        border-radius: 50%;
        overflow: hidden;
        border: 5px solid white;
        box-shadow: var(--card-shadow);
        transition: transform 0.5s ease, box-shadow 0.5s ease;
    }

    .profile-image-container:hover {
        transform: scale(1.03);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .profile-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .signature {
        margin-top: 15px;
        max-width: 150px;
        opacity: 0.8;
    }

    /* Section Styling */
    .section-title {
        font-size: 2rem;
        color: var(--secondary-color);
        margin-bottom: 40px;
        position: relative;
        text-align: center;
    }

    .section-title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        height: 3px;
        background-color: var(--accent-color);
    }

    /* About Me Section */
    .about-me-section {
        padding: 6px 0;
        background-color: white;
        margin-bottom: 10px;
    }

    .about-text {
        max-width: 1000px;
        margin: 0 auto;
        text-align: center;
        color: #555;
        line-height: 1.8;
    }

    .about-text p {
        margin-bottom: 0;
    }

    .about-text p strong {
        color: var(--secondary-color);
    }

    /* Skills Section */
    .skills-section {
        padding: 60px 0;
        background-color: var(--light-gray);
        margin-bottom: 30px;
    }

    .skills-container {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 30px;
        max-width: 1100px;
        margin: 0 auto;
    }

    .skill-card {
        background-color: white;
        border-radius: 10px;
        padding: 25px;
        box-shadow: var(--card-shadow);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .skill-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    }

    .skill-name {
        display: flex;
        justify-content: space-between;
        margin-bottom: 12px;
        font-weight: 600;
        color: var(--secondary-color);
    }

    .skill-stars {
        color: var(--accent-color);
    }

    .skill-progress {
        height: 8px;
        background-color: #eaeaea;
        border-radius: 10px;
        overflow: hidden;
    }

    .skill-bar {
        height: 100%;
        background: linear-gradient(to right, var(--primary-color), var(--accent-color));
        border-radius: 10px;
    }

    /* Projects Section */
    .projects-section {
        padding: 60px 0;
        background-color: white;
        margin-bottom: 30px;
    }

    .projects-container {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
        gap: 30px;
        max-width: 1100px;
        margin: 0 auto;
    }

    .project-card {
        background-color: var(--light-gray);
        border-radius: 10px;
        overflow: hidden;
        box-shadow: var(--card-shadow);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .project-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    }

    .project-image {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }

    .project-content {
        padding: 25px;
    }

    .project-title {
        font-size: 1.3rem;
        margin-bottom: 12px;
        color: var(--secondary-color);
    }

    .project-description {
        margin-bottom: 15px;
        color: #555;
    }

    .project-link {
        display: inline-block;
        color: var(--primary-color);
        text-decoration: none;
        font-weight: 600;
        transition: var(--transition);
    }

    .project-link:hover {
        color: var(--accent-color);
    }

    /* Timeline Section */
    .timeline-section {
        padding: 60px 0;
        background-color: var(--light-gray);
        margin-bottom: 30px;
    }

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

    .timeline-container::before {
        content: '';
        position: absolute;
        height: 100%;
        width: 4px;
        background-color: var(--primary-color);
        left: 50%;
        transform: translateX(-50%);
        border-radius: 2px;
    }

    .timeline-item {
        display: flex;
        justify-content: flex-end;
        padding-right: 50%;
        position: relative;
        margin-bottom: 50px;
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.6s ease;
        transition-delay: calc(var(--index, 0) * 0.2s);
    }

    .timeline-item.animate {
        opacity: 1;
        transform: translateY(0);
    }

    .timeline-item:nth-child(even) {
        justify-content: flex-start;
        padding-right: 0;
        padding-left: 50%;
    }

    .timeline-item::before {
        content: '';
        position: absolute;
        width: 20px;
        height: 20px;
        background-color: white;
        border: 4px solid var(--primary-color);
        border-radius: 50%;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 1;
    }

    .timeline-content {
        background-color: white;
        padding: 25px;
        border-radius: 10px;
        box-shadow: var(--card-shadow);
        width: 90%;
        position: relative;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .timeline-content:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    }

    .timeline-content::before {
        content: '';
        position: absolute;
        width: 15px;
        height: 15px;
        background-color: white;
        top: 15px;
        transform: rotate(45deg);
    }

    .timeline-item .timeline-content::before {
        left: -7px;
    }

    .timeline-item:nth-child(even) .timeline-content::before {
        right: -7px;
        left: auto;
    }

    .timeline-year {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 8px;
    }

    .timeline-title {
        font-size: 1.1rem;
        margin-bottom: 10px;
        color: var(--secondary-color);
    }

    .timeline-description {
        color: #555;
        font-size: 0.95rem;
    }

    /* Fun Section */
    .fun-section {
        padding: 60px 0;
        background-color: white;
        margin-bottom: 30px;
    }

    .fun-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 30px;
        max-width: 1100px;
        margin: 0 auto;
    }

    .fun-card {
        flex: 1 1 300px;
        background-color: var(--light-gray);
        padding: 30px;
        border-radius: 10px;
        box-shadow: var(--card-shadow);
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.6s ease;
        transition-delay: calc(var(--index, 0) * 0.2s);
    }

    .fun-card.animate {
        opacity: 1;
        transform: translateY(0);
    }

    .fun-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    }

    .fun-icon {
        font-size: 2.5rem;
        color: var(--primary-color);
        margin-bottom: 20px;
    }

    .fun-title {
        font-size: 1.2rem;
        margin-bottom: 15px;
        color: var(--secondary-color);
    }

    .fun-list {
        list-style: none;
        color: #555;
        text-align: left;
        padding-left: 20px;
    }

    .fun-list li {
        margin-bottom: 8px;
        position: relative;
        padding-left: 20px;
    }

    .fun-list li::before {
        content: '•';
        color: var(--accent-color);
        position: absolute;
        left: 0;
        font-size: 1.2rem;
    }

    /* About Sections (from original) */
    .about-section {
        margin-bottom: 80px;
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.8s ease;
    }

    .about-section.animate {
        opacity: 1;
        transform: translateY(0);
    }

    .about-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 50px;
        align-items: center;
    }

    .about-container.reverse {
        direction: rtl;
    }

    .about-container.reverse .about-content {
        direction: ltr;
    }

    .about-image img {
        width: 100%;
        border-radius: 10px;
        box-shadow: var(--card-shadow);
        transition: transform 0.5s ease, box-shadow 0.5s ease;
    }

    .about-image img:hover {
        transform: scale(1.03);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .about-content h2 {
        font-size: 2rem;
        color: var(--secondary-color);
        margin-bottom: 25px;
        position: relative;
        text-align: left;
    }

    .about-content h2::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 60px;
        height: 3px;
        background-color: var(--accent-color);
        transform: none;
    }

    .about-content p {
        margin-bottom: 20px;
        color: #555;
        line-height: 1.8;
    }

    /* Mission & Vision Cards */
    .mission-section {
        background-color: white;
    }

    .mission-card {
        background-color: var(--light-gray);
        padding: 25px;
        border-radius: 10px;
        margin-bottom: 20px;
        box-shadow: var(--card-shadow);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .mission-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    }

    .mission-card h3 {
        display: flex;
        align-items: center;
        color: var(--secondary-color);
        margin-bottom: 15px;
    }

    .mission-card h3 i {
        color: var(--accent-color);
        margin-right: 10px;
        font-size: 1.2rem;
    }

    /* Values Section */
    .values-section {
        padding: 60px 0;
        background-color: var(--light-gray);
        margin-bottom: 0;
        border-radius: 10px;
    }

    .center {
        text-align: center;
    }

    .values-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .value-item {
        text-align: center;
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.6s ease;
        transition-delay: calc(var(--index, 0) * 0.1s);
    }

    .value-item.animate {
        opacity: 1;
        transform: translateY(0);
    }

    .value-icon {
        width: 60px;
        height: 60px;
        background-color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 15px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    }

    .value-icon i {
        font-size: 1.5rem;
        color: var(--accent-color);
    }

    .value-item h3 {
        color: var(--secondary-color);
        margin-bottom: 10px;
    }

    .value-item p {
        color: #555;
        font-size: 0.95rem;
    }

    /* Responsive styles */
    @media (max-width: 900px) {
        .about-container {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .about-container.reverse {
            direction: ltr;
        }

        .about-hero-content h1 {
            font-size: 2.2rem;
        }

        .projects-container {
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        }

        .timeline-container::before {
            left: 30px;
        }

        .timeline-item,
        .timeline-item:nth-child(even) {
            justify-content: flex-start;
            padding-right: 0;
            padding-left: 70px;
        }

        .timeline-item::before {
            left: 30px;
        }

        .timeline-content {
            width: 100%;
        }

        .timeline-item .timeline-content::before,
        .timeline-item:nth-child(even) .timeline-content::before {
            left: -7px;
            right: auto;
        }
    }

    @media (max-width: 600px) {
        .about-hero {
            padding: 60px 0;
        }

        .about-hero-content h1 {
            font-size: 1.8rem;
        }

        .about-hero-content p.tagline {
            font-size: 1.1rem;
        }

        .about-hero-content p.title {
            font-size: 0.95rem;
        }

        .about-hero-content p.one-liner {
            font-size: 1rem;
        }

        .profile-image-container {
            width: 150px;
            height: 150px;
        }

        .section-title {
            font-size: 1.7rem;
        }

        .about-content h2 {
            font-size: 1.6rem;
        }

        .skill-card,
        .mission-card,
        .project-card,
        .timeline-content,
        .fun-card {
            padding: 20px;
        }

        .project-content {
            padding: 20px;
        }

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

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

        .fun-icon {
            font-size: 2rem;
        }

        .value-icon {
            width: 50px;
            height: 50px;
        }

        .value-icon i {
            font-size: 1.3rem;
        }
    }

    .about-me-section span {
        color: var(--accent-color);
    }