.content-section {
    display: none;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.content-section.active {
    display: block;
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.navigation-buttons {
    text-align: center;
    margin: 40px 0;
    padding: 20px 0;
}
.navigation-buttons .btn {
    margin: 0 10px;
    padding: 12px 30px;
    font-size: 16px;
    transition: all 0.3s ease;
}
.navigation-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
.about-content {
    padding: 60px 0;
}
.about-content h2 {
    font-size: 32px;
    margin-bottom: 30px;
    color: #333;
    font-weight: 700;
    animation: fadeIn 0.8s ease 0.2s backwards;
}
.about-content p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #666;
    animation: fadeIn 0.8s ease 0.3s backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.image-text-section {
    margin-top: 40px;
}
.image-text-section img {
    width: 100%;
    height: auto;
    margin-bottom: 30px;
    animation: slideInLeft 0.8s ease 0.2s backwards;
}
.image-text-section .col-md-6:last-child {
    animation: slideInRight 0.8s ease 0.3s backwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.text-full-width {
    width: 100%;
    padding: 0 15px;
}

.pager-title-section h1 {
    animation: fadeInDown 0.6s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.profile-photo {
    text-align: center;
    margin: 40px 0;
}
.profile-photo img {
    width: 100%;
    border-radius: 10%;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border: 5px solid #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeIn 0.8s ease;
}
.profile-photo img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0,0,0,0.25);
}

.profile-photo-top {
    margin-top: 20px;
    margin-bottom: 30px;
}

.profile-photo-bottom {
    margin-top: 30px;
    margin-bottom: 20px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}