/* Notification */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: var(--border-radius);
    background: var(--white);
    box-shadow: var(--shadow);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 1000;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification.success {
    background: var(--success);
    color: var(--white);
}

.notification.error {
    background: var(--accent);
    color: var(--white);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.lightbox.show {
    opacity: 1;
    visibility: visible;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--border-radius);
}

/* Close Button */
.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text);
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
    transition: var(--transition);
}

.close-btn:hover {
    transform: rotate(90deg);
}

/* Sticky Navigation */
nav.scroll-down {
    transform: translateY(-100%);
}

nav.scroll-up {
    transform: translateY(0);
    background: var(--white);
    box-shadow: var(--shadow);
}

/* Form Styling */
.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.1);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

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

@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);
    }
}

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

/* Animations */
@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Contact Link Styles */
.contact-link {
    text-decoration: none;
    color: var(--white);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--secondary);
    transform: translateY(-1px);
}

/* Enhanced Dropdown Styles */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--white);
    min-width: 250px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 10px 0;
    border: 1px solid var(--gray);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: var(--white);
    border-left: 1px solid var(--gray);
    border-top: 1px solid var(--gray);
}

.dropdown-menu li {
    padding: 0;
    margin: 0;
}

.dropdown-menu a {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: var(--light);
    color: var(--primary);
    padding-left: 25px;
}

.dropdown-menu i {
    font-size: 1.1rem;
    color: var(--primary);
    opacity: 0.8;
}

/* Active Link Style */
.nav-links a.active {
    color: var(--primary);
}

.nav-links a.active::after {
    width: 100%;
    background: var(--secondary);
}

/* Enhanced Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    color: var(--primary);
    transform: scale(1.1);
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .contact-info span {
        margin-right: 15px;
        font-size: 0.9rem;
    }
    
    .nav-links {
        gap: 25px;
    }
}

@media (max-width: 992px) {
    .nav-buttons {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block !important;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 20px;
        flex-direction: column;
        gap: 15px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--light);
        margin-top: 10px;
        opacity: 1;
        visibility: visible;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .dropdown-menu::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        gap: 10px;
    }
    
    .contact-info {
    display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .contact-info span {
        margin-right: 0;
    }
    
    .social-links {
        margin-top: 5px;
    }
}

/* Enhanced Credentials Section */
.credentials-section {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--light) 0%, #fff 100%);
    position: relative;
    overflow: hidden;
    perspective: 1000px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

@keyframes gradientPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.2);
    }
}

.credentials-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    position: relative;
    z-index: 2;
    transform-style: preserve-3d;
}

.education-timeline {
    position: relative;
    padding: 30px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    overflow: visible;
}

.timeline-item {
    position: relative;
    padding: 40px;
    margin-bottom: 60px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(219, 168, 88, 0.1);
    opacity: 0;
    transform: translateY(100px);
    transition: all 1s cubic-bezier(0.215, 0.61, 0.355, 1);
    will-change: transform, opacity;
}

/* Apple-style scroll reveal animation */
.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(2) {
    transition-delay: 0.1s;
}

.timeline-item:nth-child(3) {
    transition-delay: 0.2s;
}

.timeline-content {
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
    transition-delay: 0.2s;
}

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

.timeline-content h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(45deg, var(--primary-dark), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
    transition-delay: 0.3s;
}

.timeline-item.visible .timeline-content h3 {
    opacity: 1;
    transform: translateY(0);
}

.timeline-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text);
    margin-bottom: 1.5rem;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
    transition-delay: 0.4s;
}

.timeline-item.visible .timeline-content p {
    opacity: 1;
    transform: translateY(0);
}

.timeline-year {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--white);
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    margin: 1rem 0;
    box-shadow: 0 5px 15px rgba(219, 168, 88, 0.3);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
    transition-delay: 0.5s;
}

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

/* Parallax scroll effect */
.timeline-item::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 50%;
    width: 30px;
    height: 30px;
    background: var(--secondary);
    border-radius: 50%;
    transform: translateY(-50%) scale(0);
    box-shadow: 0 0 0 8px rgba(219, 168, 88, 0.1);
    transition: all 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
    transition-delay: 0.6s;
}

.timeline-item.visible::before {
    transform: translateY(-50%) scale(1);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -45px;
    top: 50%;
    width: 30px;
    height: 2px;
    background: linear-gradient(to right, var(--secondary), transparent);
    transform: translateY(-50%) scaleX(0);
    transform-origin: left;
    transition: all 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
    transition-delay: 0.7s;
}

.timeline-item.visible::after {
    transform: translateY(-50%) scaleX(1);
}

/* Enhanced hover effects */
.timeline-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.timeline-item:hover::before {
    transform: translateY(-50%) scale(1.2);
    box-shadow: 0 0 0 12px rgba(219, 168, 88, 0.15);
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .credentials-section {
        padding: 60px 0;
    }

    .timeline-item {
        padding: 30px;
        margin-bottom: 40px;
    }

    .timeline-content h3 {
        font-size: 1.3rem;
    }

    .timeline-content p {
        font-size: 1rem;
        line-height: 1.6;
    }

    .timeline-year {
        padding: 6px 15px;
        font-size: 0.9rem;
    }

    /* Optimize animations for mobile */
    .timeline-item {
        transform: translateY(50px);
        transition: all 0.6s cubic-bezier(0.215, 0.61, 0.355, 1);
    }

    .timeline-content,
    .timeline-content h3,
    .timeline-content p,
    .timeline-year {
        transition: all 0.6s cubic-bezier(0.215, 0.61, 0.355, 1);
    }
}

/* Add smooth parallax effect */
@media (min-width: 993px) {
    .timeline-item {
        transform: translateY(100px) translateZ(0);
        will-change: transform;
    }

    .timeline-item.visible {
        transform: translateY(0) translateZ(0);
    }

    .timeline-item:hover {
        transform: translateY(-10px) translateZ(30px);
    }
}

/* Optimize performance */
.timeline-item {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
}

.section-subtitle {
    color: var(--secondary);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    font-weight: 500;
    position: relative;
    display: inline-block;
    animation: subtitleSlide 0.8s ease-out forwards;
}

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

.section-subtitle::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    animation: lineGrow 0.6s ease-out 0.8s forwards;
}

@keyframes lineGrow {
    to {
        width: 100%;
    }
}

.credentials-content {
    opacity: 0;
    animation: fadeInScroll 1s ease-out forwards;
    will-change: transform, opacity;
}

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

.credentials-content h2 {
    font-size: 2.8rem;
    margin-bottom: 3rem;
    color: var(--primary-dark);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background: linear-gradient(45deg, var(--primary-dark), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: textGradient 8s ease infinite;
    filter: none;
}

@keyframes textGradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Mobile Enhancements */
@media (max-width: 992px) {
    .credentials-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .education-timeline {
        padding: 20px;
        margin: 0 15px;
    }

    .timeline-item {
        padding: 25px;
        margin-bottom: 30px;
        transform-origin: left;
    }

    .timeline-item::before {
        left: -10px;
        width: 20px;
        height: 20px;
    }

    .timeline-item::after {
        left: -35px;
        width: 25px;
    }
}

@media (max-width: 480px) {
    .certificates-showcase {
        padding: 30px 15px;
    }
    
    .certificates-slider .swiper-slide {
        height: 250px;
    }
    
    .certificates-slider .swiper-button-next,
    .certificates-slider .swiper-button-prev {
        display: none;
    }
}

/* Expertise Section */
.expertise-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    overflow-x: hidden; /* Prevent horizontal scroll */
}

.expertise-section .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.expertise-section .section-header {
    max-width: 800px;
    margin: 0 auto 60px;
    padding: 0 15px;
}

.expertise-section h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    word-wrap: break-word;
}

.expertise-section h2::after {
    background: var(--secondary);
}

.expertise-section .lead {
    color: rgba(255, 255, 255, 0.9);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
    padding: 0 15px;
}

.expertise-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.expertise-icon {
    width: 80px;
    height: 80px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s ease;
}

.expertise-card:hover .expertise-icon {
    transform: scale(1.1);
}

.expertise-icon i {
    font-size: 2rem;
    color: var(--white);
}

.expertise-card h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.expertise-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    line-height: 1.6;
}

/* Process Section */
.process-section {
    padding: 100px 0;
    background: var(--light);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
}

@media (max-width: 992px) {
    .process-section {
        padding: 60px 0;
    }

    .process-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 60px;
    }

    .process-grid .process-image {
        order: 1;
    }

    .process-grid .process-content {
        order: 2;
    }

    .process-grid.reverse {
        direction: ltr;
    }

    .process-grid.reverse .process-image {
        order: 1;
    }

    .process-grid.reverse .process-content {
        order: 2;
    }

    .process-content {
        padding: 20px 0;
        text-align: center;
    }

    .process-image {
        max-width: 100%;
        margin: 0 auto;
    }

    .process-image img {
        height: 300px;
    }

    .appointment-btn {
        display: none !important;
    }
}

.process-grid:last-child {
    margin-bottom: 0;
}

.process-grid.reverse {
    direction: rtl;
}

.process-grid.reverse .process-content {
    direction: ltr;
}

.process-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.process-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.process-image:hover img {
    transform: scale(1.1);
}

.process-content {
    padding: 40px;
}

.process-content h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .expertise-section h2 {
        font-size: 2rem;
    }
}

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

    .expertise-section h2 {
        font-size: 1.8rem;
    }

    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .expertise-card {
        padding: 20px 15px;
    }

    .expertise-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }

    .expertise-icon i {
        font-size: 1.5rem;
    }

    .expertise-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }

    .expertise-card p {
        font-size: 0.9rem;
        line-height: 1.4;
    }
}

@media (max-width: 480px) {
    .expertise-section {
        padding: 40px 0;
    }

    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .expertise-section h2 {
        font-size: 1.5rem;
    }

    .expertise-section .lead {
        font-size: 1rem;
    }

    .expertise-card {
        padding: 25px 20px;
    }
}