/* Performance optimizations */
* {
    box-sizing: border-box;
}

/* Reduce layout shifts */
img, video {
    height: auto;
    max-width: 100%;
}

/* Improve font rendering */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

:root {
    --dark-blue-bg: #0a0a0a; /* Very dark, almost black */
    --light-blue-accent: #00FFFF;
    --neon-green-accent: #39FF14;
    --text-light: #e0e0e0;
    --sidebar-width: 280px;
    --pulse-shadow-color: rgba(255, 255, 255, 0.7); /* Default for dark mode */
    --medium-blue-accent: #007bff; /* New medium blue for light mode buttons */

    /* Light Mode Variables */
    --light-bg-start: #f8f9fa;
    --light-bg-end: #e9ecef;
    --dark-text: #000000;
    --light-sidebar-bg: rgba(255, 255, 255, 0.9);
    --light-glassmorphism-bg: rgba(255, 255, 255, 0.7);

    /* Theme 1 (Current Dark Theme) */
    --theme1-bg-start: #0a0a0a;
    --theme1-bg-end: #1a1a1a;
    --theme1-text-color: var(--text-light);
    --theme1-accent-color: var(--light-blue-accent);

    /* Theme 2 (New Dark Theme) */
    --theme2-bg-start: #1a1a1a; /* Slightly different start */
    --theme2-bg-end: #2a2a2a;   /* Slightly different end */
    --theme2-text-color: #cccccc; /* Slightly lighter text */
    --theme2-accent-color: #FFD700; /* Gold accent */
}

/* Default body theme (Theme 1) */
body {
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(45deg, var(--theme1-bg-start), var(--theme1-bg-end));
    color: var(--text-light); /* Default text color */
    transition: background 0.5s ease-in-out; /* Only background transitions */
}

/* Theme 2 class */
body.theme-dark-2 {
    background: linear-gradient(45deg, var(--theme2-bg-start), var(--theme2-bg-end));
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    background-image: linear-gradient(45deg, var(--light-blue-accent), white);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent; /* Fallback for non-webkit browsers */
    text-shadow: 0 0 2px var(--light-blue-accent); /* Added for visibility */
}

.sidebar {
    width: 60px; /* Collapsed width - broader */
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(10, 10, 10, 0.85); /* Adjusted for new very dark background */
    backdrop-filter: blur(10px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    overflow: hidden; /* Hide content when collapsed */
    transition: width 0.3s ease-in-out;
}

.sidebar.expanded {
    width: var(--sidebar-width); /* Expanded width */
}

/* Hide full content when sidebar is collapsed */
.sidebar-full-content {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

.sidebar.expanded .sidebar-full-content {
    opacity: 1;
    visibility: visible;
}

/* Show collapsed content when sidebar is collapsed */
.sidebar-collapsed-content {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

.sidebar.expanded .sidebar-collapsed-content {
    opacity: 0;
    visibility: hidden;
}

.main-content {
    margin-left: 60px; /* Initial margin for collapsed sidebar - matches new width */
    padding: 0; /* Increased padding for visible margins */
    transition: margin-left 0.3s ease-in-out;
}

.main-content.shifted {
    margin-left: var(--sidebar-width); /* Margin when sidebar is expanded */
}

.profile-photo-container {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden; /* Hide parts of the image that are scaled outside the container */
    box-shadow: 0 0 15px white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-photo-img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Ensures the image covers the area without distortion */
    object-position: center; /* Centers the image within the frame */
    transform: scale(1.0); /* Zoom out to 100% */
    transition: transform 0.3s ease; /* Smooth transition for the zoom effect */
}

.glassmorphism {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 255, 255, 0.15); /* Light blue glow */
}

.btn-primary {
    background-color: var(--light-blue-accent);
    border-color: var(--light-blue-accent);
    color: var(--dark-blue-bg);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: white;
    border-color: white;
    box-shadow: 0 0 15px white;
}

.progress-bar {
    background-color: var(--light-blue-accent);
    box-shadow: 0 0 10px var(--light-blue-accent);
}

.nav-link {
    color: var(--text-light);
    transition: all 0.3s ease;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin: 0.25rem 0;
    position: relative;
    display: block;
}

.nav-link:hover {
    color: var(--light-blue-accent);
    text-shadow: 0 0 5px var(--light-blue-accent);
    background-color: rgba(0, 255, 255, 0.1);
    transform: translateX(5px);
}

.nav-link.active {
    color: var(--light-blue-accent);
    text-shadow: 0 0 5px var(--light-blue-accent);
    background-color: rgba(0, 255, 255, 0.15);
    border-left: 3px solid var(--light-blue-accent);
    transform: translateX(5px);
    font-weight: 600;
}

.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 18px;
    height: 100%;
    width: 4px;
    background: var(--light-blue-accent);
    box-shadow: 0 0 10px var(--light-blue-accent);
}

.timeline-item {
    margin-bottom: 2rem;
    position: relative;
}

.timeline-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    border: 4px solid var(--dark-blue-bg);
    box-shadow: 0 0 10px white;
}

.timeline-content {
    margin-left: 60px;
    padding: 1.5rem;
}

.project-placeholder {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-blue-bg);
    font-weight: bold;
    background-color: white;
    box-shadow: 0 0 10px white;
}

.cert-placeholder {
    background-color: var(--light-blue-accent);
    box-shadow: 0 0 10px var(--light-blue-accent);
}

.map-placeholder {
    box-shadow: 0 0 10px var(--light-blue-accent);
}

/* Project Cards Styling */
.project-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 255, 255, 0.2);
}

.project-img {
    height: 200px;
    object-fit: contain !important;
    object-position: center center !important;
    border-bottom: 2px solid var(--light-blue-accent);
    background: rgba(255, 255, 255, 0.95);
    padding: 10px;
    transition: all 0.3s ease;
}

.project-placeholder {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, rgba(0, 255, 255, 0.1), rgba(57, 255, 20, 0.1));
    border-bottom: 2px solid var(--light-blue-accent);
}

.project-tech .badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.6rem;
    background: linear-gradient(45deg, var(--light-blue-accent), var(--neon-green-accent)) !important;
    color: black !important;
    font-weight: 600;
}

/* Modal Styling */
.modal-content {
    border: 1px solid rgba(0, 255, 255, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
}

.modal-header {
    border-bottom: 1px solid rgba(0, 255, 255, 0.3);
}

.modal-footer {
    border-top: 1px solid rgba(0, 255, 255, 0.3);
}

/* Dropdown Menu Styling */
.dropdown-menu {
    background-color: rgba(26, 26, 26, 0.95);
    border: 1px solid rgba(0, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.dropdown-item {
    color: var(--text-light);
    transition: all 0.3s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: rgba(0, 255, 255, 0.1);
    color: var(--light-blue-accent);
}

/* Light mode dropdown */
[data-bs-theme="light"] .dropdown-menu {
    background-color: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 123, 255, 0.3);
}

[data-bs-theme="light"] .dropdown-item {
    color: var(--dark-text);
}

[data-bs-theme="light"] .dropdown-item:hover,
[data-bs-theme="light"] .dropdown-item:focus {
    background-color: rgba(0, 123, 255, 0.1);
    color: var(--medium-blue-accent);
}

/* Light mode styles */
[data-bs-theme="light"] {
    background: linear-gradient(45deg, var(--light-bg-start), var(--light-bg-end));
    color: var(--dark-text);
    --pulse-shadow-color: rgba(0, 0, 0, 0.7); /* Dark shadow for light mode */
}

[data-bs-theme="light"] .sidebar {
    background-color: rgba(240, 240, 240, 0.95); /* Slightly darker than main background */
    border-right: 1px solid rgba(0, 0, 0, 0.15); /* Darker border */
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.05); /* Subtle shadow */
}

[data-bs-theme="light"] .text-white,
[data-bs-theme="light"] .text-white-50 {
    color: var(--dark-text) !important;
}

[data-bs-theme="light"] .glassmorphism {
    background: var(--light-glassmorphism-bg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-bs-theme="light"] h1, [data-bs-theme="light"] h2, [data-bs-theme="light"] h3, [data-bs-theme="light"] h4, [data-bs-theme="light"] h5, [data-bs-theme="light"] h6 {
    color: var(--dark-text);
    background-image: none; /* Remove gradient background */
    -webkit-background-clip: unset;
    background-clip: unset;
    -webkit-text-fill-color: var(--dark-text);
    text-shadow: none; /* Ensure no lingering shadows */
}

[data-bs-theme="light"] .btn-primary {
    background-color: var(--medium-blue-accent);
    border-color: var(--medium-blue-accent);
    color: white;
}

[data-bs-theme="light"] .btn-secondary {
    background-color: #333333;
    border-color: #333333;
    color: white;
}

[data-bs-theme="light"] .btn-primary:hover,
[data-bs-theme="light"] .btn-secondary:hover {
    background-color: var(--light-blue-accent);
    border-color: var(--light-blue-accent);
    color: white;
}

[data-bs-theme="light"] .progress-bar {
    background-color: var(--light-blue-accent);
    box-shadow: none;
}

[data-bs-theme="light"] .nav-link {
    color: var(--dark-text);
}

[data-bs-theme="light"] .nav-link:hover {
    color: var(--light-blue-accent);
    text-shadow: none;
    background-color: rgba(0, 123, 255, 0.1);
}

[data-bs-theme="light"] .nav-link.active {
    color: var(--light-blue-accent);
    text-shadow: none;
    background-color: rgba(0, 123, 255, 0.15);
    border-left: 3px solid var(--light-blue-accent);
    font-weight: 600;
}

[data-bs-theme="light"] .timeline::before {
    background: #343a40;
    box-shadow: none;
}

[data-bs-theme="light"] .timeline-img {
    background: white;
    border-color: #adb5bd;
    box-shadow: none;
}

[data-bs-theme="light"] .project-placeholder,
[data-bs-theme="light"] .cert-placeholder {
    color: var(--dark-text);
    background-color: var(--light-blue-accent);
    box-shadow: none;
}

[data-bs-theme="light"] .map-placeholder {
    background-color: #ccc;
    box-shadow: none;
}

[data-bs-theme="light"] .notch-logo {
    color: var(--dark-text);
    text-shadow: none;
    background-image: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    -webkit-text-fill-color: var(--dark-text);
}

[data-bs-theme="light"] .notch-pulse {
    background-color: var(--dark-text);
}

/* Typing Animation Effect */
.typing-container {
    display: inline-block;
    position: relative;
}

.typing-text {
    font-weight: 600;
    background: linear-gradient(45deg, var(--light-blue-accent), var(--neon-green-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    text-shadow: none;
}

.typing-cursor {
    display: inline-block;
    background-color: var(--light-blue-accent);
    margin-left: 3px;
    width: 3px;
    animation: blink 1.2s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes erasing {
    from { width: 100%; }
    to { width: 0; }
}

.typing-text {
    overflow: hidden;
    white-space: nowrap;
    display: inline-block;
    border-right: 3px solid var(--light-blue-accent);
    animation: typing 3s steps(30) forwards;
}

.typing-text.erasing {
    animation: erasing 1.5s steps(30) forwards;
}

.typing-text.typing {
    animation: typing 3s steps(30) forwards;
}

/* Light mode typing animation */
[data-bs-theme="light"] .typing-text {
    background: linear-gradient(45deg, var(--medium-blue-accent), #28a745);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    border-right-color: var(--medium-blue-accent);
}

[data-bs-theme="light"] .typing-cursor {
    background-color: var(--medium-blue-accent);
}

/* Responsive typing animation */
@media (max-width: 768px) {
    .typing-text {
        font-size: 1.2rem;
        border-right-width: 2px;
    }
    
    .typing-cursor {
        width: 2px;
    }
}

/* Scroll Indicator */

[data-bs-theme="light"] .sidebar .text-white,
[data-bs-theme="light"] .sidebar .text-white-50,
[data-bs-theme="light"] .sidebar h5,
[data-bs-theme="light"] .sidebar p {
    color: var(--dark-text) !important;
    background-image: none !important;
    -webkit-background-clip: unset !important;
    background-clip: unset !important;
    -webkit-text-fill-color: var(--dark-text) !important;
    text-shadow: none !important;
}

[data-bs-theme="light"] .micro-social-icons a {
    color: #1a1a1a; /* Very dark grey for better visibility */
}

.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem; /* Adjusted font size for text */
    color: var(--light-blue-accent);
    animation: bounce 2s infinite;
    text-align: center;
}

[data-bs-theme="light"] .scroll-indicator {
    color: var(--dark-text);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Mobile Navigation Styles */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    padding: 0;
}

.mobile-nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.mobile-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-logo {
    width: 35px;
    height: 35px;
    background: linear-gradient(45deg, #00ffff, #ff00ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: black;
    font-size: 14px;
}

.mobile-name {
    color: white;
    font-weight: 600;
    font-size: 16px;
}

.mobile-nav-toggle {
    background: none;
    border: none;
    padding: 5px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: #00ffff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-nav-toggle:hover .hamburger-line {
    background: #ff00ff;
}

/* Mobile Off-canvas Styles */
.offcanvas {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(0, 255, 255, 0.2);
}

.mobile-profile {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-profile-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid #00ffff;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-list li {
    margin-bottom: 10px;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 5px;
}

.mobile-nav-link:hover {
    background: rgba(0, 255, 255, 0.1);
    color: #00ffff;
    transform: translateX(5px);
}

.mobile-nav-link i {
    width: 20px;
    text-align: center;
}

.mobile-theme-switch {
    margin: 30px 20px 20px 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.mobile-social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    padding: 20px;
}

.mobile-social-links a {
    color: #00ffff;
    font-size: 20px;
    padding: 10px;
    border-radius: 50%;
    background: rgba(0, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.mobile-social-links a:hover {
    background: rgba(0, 255, 255, 0.2);
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
        padding-top: 70px; /* Account for mobile nav height */
    }
    
    .sidebar {
        display: none; /* Hide desktop sidebar on mobile */
    }
    
    /* Mobile Typography */
    h1 {
        font-size: 2rem !important;
    }
    
    h2 {
        font-size: 1.75rem !important;
    }
    
    h3 {
        font-size: 1.5rem !important;
    }
    
    /* Container padding for mobile */
    .container-fluid {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    
    /* Project cards mobile optimization */
    .project-img, 
    .project-placeholder {
        height: 200px;
    }
    
    .project-card {
        margin-bottom: 20px;
    }
    
    /* Skills section mobile */
    .nav-pills .nav-link {
        font-size: 0.875rem;
        padding: 8px 12px;
        margin: 2px;
    }
    
    .skill-card {
        padding: 15px !important;
    }
    
    .skill-card i {
        font-size: 2rem !important;
    }
    
    /* Timeline mobile optimization */
    .timeline {
        padding-left: 0;
    }
    
    .timeline-item {
        margin-left: 0;
        padding-left: 30px;
    }
    
    .timeline-content {
        margin-left: 0;
        padding: 15px;
    }
    
    /* Certifications mobile */
    .cert-badge {
        width: 60px;
        height: 60px;
    }
    
    #certCarousel .cert-detail-card .card-body {
        padding: 1rem;
    }
    
    #certCarousel .carousel-item .row {
        margin: 0;
    }
    
    #certCarousel .carousel-item .col-lg-4 {
        padding: 0 10px;
        margin-bottom: 15px;
    }
    
    /* Show only one certificate per slide on mobile */
    #certCarousel .carousel-item .col-lg-4:nth-child(n+2) {
        display: none;
    }
    
    /* Modal optimization for mobile */
    .modal-dialog {
        margin: 10px;
        max-width: calc(100% - 20px);
    }
    
    .modal-body {
        padding: 15px;
    }
    
    .modal-body img {
        max-width: 100%;
        height: auto;
    }
    
    /* Buttons mobile */
    .btn-group {
        width: 100%;
        margin-top: 10px;
    }
    
    .btn-group .btn {
        flex: 1;
        font-size: 0.875rem;
    }
    
    /* Form elements mobile */
    .form-control {
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Education cards mobile */
    .education-card {
        margin-bottom: 20px;
    }
    
    /* Achievements mobile */
    .achievement-card {
        margin-bottom: 15px;
        padding: 15px;
    }
    
    /* Contact section mobile */
    .contact-card {
        margin-bottom: 20px;
    }
    
    /* Social links mobile */
    .social-links a {
        margin: 5px;
        padding: 10px;
        font-size: 1.2rem;
    }
    
    /* CV section mobile */
    .cv-embed-container {
        height: 300px; /* Smaller height on mobile */
    }
    
    /* Utility classes for mobile */
    .mobile-hidden {
        display: none !important;
    }
    
    .mobile-visible {
        display: block !important;
    }
    
    /* Text sizing for mobile */
    .card-text {
        font-size: 0.9rem;
    }
    
    .text-muted {
        font-size: 0.85rem;
    }
    
    /* Spacing adjustments */
    .py-5 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }
    
    .mb-5 {
        margin-bottom: 2rem !important;
    }
}

/* Tablet and large mobile optimization */
@media (max-width: 992px) and (min-width: 769px) {
    .main-content {
        padding-top: 20px;
    }
    
    /* Show 2 certificates per slide on tablets */
    #certCarousel .carousel-item .col-lg-4:nth-child(3) {
        display: none;
    }
    
    .project-img, 
    .project-placeholder {
        height: 220px;
    }
    
    .modal-dialog {
        max-width: 90%;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .mobile-nav-content {
        padding: 10px 15px;
    }
    
    .mobile-name {
        font-size: 14px;
    }
    
    .mobile-logo {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }
    
    .main-content {
        padding-top: 60px;
    }
    
    h1 {
        font-size: 1.75rem !important;
    }
    
    h2 {
        font-size: 1.5rem !important;
    }
    
    .container-fluid {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }
    
    .project-img, 
    .project-placeholder {
        height: 180px;
    }
    
    .cert-detail-card .card-body {
        padding: 0.75rem !important;
    }
    
    .skill-card {
        padding: 10px !important;
    }
    
    .timeline-content {
        padding: 10px;
    }
    
    .py-5 {
        padding-top: 1.5rem !important;
        padding-bottom: 1.5rem !important;
    }
}

/* Touch-friendly and mobile optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Touch devices - remove hover effects that don't work well */
    .project-card:hover,
    .skill-card:hover,
    .cert-detail-card:hover {
        transform: none;
    }
    
    /* Make touch targets larger */
    .btn {
        min-height: 44px;
        padding: 12px 20px;
    }
    
    .nav-link {
        min-height: 44px;
        padding: 12px 16px;
    }
    
    .mobile-nav-link {
        min-height: 50px;
        padding: 15px 20px;
    }
    
    /* Larger social media icons for touch */
    .social-links a {
        min-width: 44px;
        min-height: 44px;
        padding: 12px;
    }
    
    .mobile-social-links a {
        min-width: 50px;
        min-height: 50px;
        padding: 15px;
    }
}

/* Landscape phone optimization */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .mobile-nav {
        padding: 8px 0;
    }
    
    .mobile-nav-content {
        padding: 8px 20px;
    }
    
    .main-content {
        padding-top: 50px;
    }
    
    .py-5 {
        padding-top: 1rem !important;
        padding-bottom: 1rem !important;
    }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .profile-photo-img,
    .mobile-profile-img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

.sidebar-collapsed-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    position: relative;
}

.sidebar-full-content {
    display: none; /* Hidden by default */
}

.sidebar.expanded .sidebar-full-content {
    display: block; /* Show when expanded */
}

.sidebar.expanded .sidebar-collapsed-content {
    display: none;
}

.notch-logo {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--light-blue-accent);
    text-shadow: 0 0 5px var(--light-blue-accent);
    margin-bottom: 10px;
}

.notch-pulse {
    width: 10px;
    height: 10px;
    background-color: white;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 var(--pulse-shadow-color);
    }
    70% {
        box-shadow: 0 0 0 10px transparent; /* Keep transparent for fade out */
    }
    100% {
        box-shadow: 0 0 0 0 transparent;
    }
}

.micro-social-icons {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 10px;
}

.micro-social-icons a {
    color: var(--text-light);
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.micro-social-icons a:hover {
    color: var(--light-blue-accent);
    transform: scale(1.2);
    text-shadow: 0 0 8px var(--light-blue-accent);
}

.social-icons a {
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    color: var(--light-blue-accent);
    transform: scale(1.2);
    text-shadow: 0 0 8px var(--light-blue-accent);
}

.language-badge {
    font-size: 1.1em; /* Adjust as needed */
    padding: 0.5em 0.75em; /* Adjust padding for better appearance */
}

.skill-card {
    color: var(--dark-blue-bg);
    background-color: white;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px var(--light-blue-accent);
}

[data-bs-theme="light"] .skill-card {
    color: var(--dark-text);
    background-color: #f8f9fa;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-bs-theme="light"] .skill-card:hover {
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.contact-social-item a p {
    color: inherit; /* Inherit color from parent anchor */
}

.contact-social-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 255, 255, 0.15); /* Light blue glow */
    transition: all 0.3s ease;
}

[data-bs-theme="dark"] .contact-social-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px var(--light-blue-accent);
}

.contact-social-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px var(--light-blue-accent);
}

[data-bs-theme="light"] .contact-social-item a p {
    color: var(--dark-text); /* Ensure text is dark in light mode */
}

[data-bs-theme="light"] .contact-social-item {
    background-color: #ffffff; /* White background for visibility */
    border: 1px solid rgba(0, 0, 0, 0.15); /* Slightly darker border */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); /* Subtle shadow */
}

[data-bs-theme="light"] .contact-social-item:hover {
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.15); /* More pronounced shadow on hover */
}

[data-bs-theme="light"] .contact-social-item a {
    color: var(--dark-text) !important; /* Ensure text is dark */
}

[data-bs-theme="light"] .contact-social-item a:hover {
    color: var(--medium-blue-accent); /* Accent color on hover */
}

#contact {
    padding-bottom: 10rem; /* Increased space below contact section */
}

[data-bs-theme="dark"] .scroll-section {
    min-height: 100vh;
    padding: 0;
    margin-bottom: 0;
}

[data-bs-theme="dark"] #home-about {
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
}

[data-bs-theme="dark"] .scroll-section:nth-child(odd) {
    background: linear-gradient(45deg, var(--theme1-bg-start), var(--theme1-bg-end));
}

[data-bs-theme="dark"] .scroll-section:nth-child(even) {
    background: linear-gradient(45deg, #1a1a1a, #2a2a2a);
}

[data-bs-theme="light"] .scroll-section {
    min-height: 100vh;
    padding: 0;
    margin-bottom: 0;
}

[data-bs-theme="light"] #home-about {
    background: linear-gradient(45deg, var(--light-bg-start), var(--light-bg-end));
}

[data-bs-theme="light"] .scroll-section:nth-child(odd) {
    background-color: var(--light-bg-start);
}

[data-bs-theme="light"] .scroll-section:nth-child(even) {
    background-color: var(--light-bg-end);
}

/* Achievements Section Styling */
.achievement-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 255, 255, 0.3);
}

.achievement-icon {
    color: var(--light-blue-accent);
    min-width: 60px;
}

.achievement-icon i {
    background: linear-gradient(45deg, var(--light-blue-accent), var(--neon-green-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Light mode achievements */
[data-bs-theme="light"] .achievement-card {
    border: 1px solid rgba(0, 123, 255, 0.2);
}

[data-bs-theme="light"] .achievement-card:hover {
    box-shadow: 0 10px 25px rgba(0, 123, 255, 0.3);
}

[data-bs-theme="light"] .achievement-icon {
    color: var(--medium-blue-accent);
}

[data-bs-theme="light"] .achievement-icon i {
    background: linear-gradient(45deg, var(--medium-blue-accent), #28a745);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Certificate Carousel Styling */
.cert-card {
    max-width: 500px;
    margin: 0 auto;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Certifications Grid Carousel Styling */
#certCarousel .carousel-item {
    padding: 20px 0;
}

.cert-multi-carousel .carousel-item {
    transition: transform 0.6s ease-in-out;
}

#certCarousel .cert-detail-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 255, 255, 0.2);
    text-align: center;
    height: 100%;
    margin-bottom: 20px;
}

#certCarousel .cert-detail-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 255, 255, 0.3);
}

.cert-badge-container {
    padding: 20px 0 10px 0;
}

.cert-badge {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--light-blue-accent);
    background: linear-gradient(45deg, var(--light-blue-accent), var(--neon-green-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    object-fit: cover;
}

#certCarousel .cert-detail-card .card-title {
    color: var(--light-blue-accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

#certCarousel .cert-detail-card .text-muted {
    color: rgba(255, 255, 255, 0.6) !important;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

#certCarousel .cert-detail-card .card-text {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.carousel-indicators [data-bs-target] {
    background-color: var(--light-blue-accent);
    border: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 4px;
}

.carousel-indicators .active {
    background-color: var(--neon-green-accent);
}

/* Light mode certificate styling */
[data-bs-theme="light"] #certCarousel .cert-detail-card {
    border: 1px solid rgba(0, 123, 255, 0.2);
}

[data-bs-theme="light"] #certCarousel .cert-detail-card:hover {
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.3);
}

[data-bs-theme="light"] .cert-badge {
    border: 3px solid var(--medium-blue-accent);
    background: linear-gradient(45deg, var(--medium-blue-accent), #28a745);
}

[data-bs-theme="light"] #certCarousel .cert-detail-card .card-title {
    color: var(--medium-blue-accent);
}

[data-bs-theme="light"] #certCarousel .cert-detail-card .text-muted {
    color: rgba(0, 0, 0, 0.6) !important;
}

[data-bs-theme="light"] .carousel-indicators [data-bs-target] {
    background-color: var(--medium-blue-accent);
}

[data-bs-theme="light"] .carousel-indicators .active {
    background-color: #28a745;
}

/* Certificate section spacing */
#certCarousel .carousel-inner {
    padding: 20px 0;
}

#certCarousel .cert-detail-card .card-body {
    padding: 1.5rem;
}

/* Video styling for project demonstrations */
.project-video {
    border-radius: 10px;
    border: 2px solid var(--light-blue-accent);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.project-video:hover {
    box-shadow: 0 15px 40px rgba(0, 255, 255, 0.4);
    transform: scale(1.02);
}

.video-overlay {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    padding: 20px;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.video-overlay:hover {
    background: rgba(0, 255, 255, 0.1);
    transform: scale(1.1);
}

.modal-video {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
    border: 1px solid rgba(0, 255, 255, 0.2);
}

/* Light mode video styling */
[data-bs-theme="light"] .project-video {
    border: 2px solid var(--medium-blue-accent);
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.2);
}

[data-bs-theme="light"] .project-video:hover {
    box-shadow: 0 15px 40px rgba(0, 123, 255, 0.4);
}

[data-bs-theme="light"] .modal-video {
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.3);
    border: 1px solid rgba(0, 123, 255, 0.2);
}

/* Enhanced Button Interactions */
.ripple {
    position: absolute;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Button hover and active states */
.btn, button {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn:hover, button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,123,255,0.3);
}

.btn:active, button:active {
    transform: scale(0.98);
}

/* Enhanced Video Controls */
.video-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--light-blue-accent);
    font-size: 2rem;
    z-index: 10;
}

.video-message {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.9rem;
    z-index: 10;
    display: none;
    animation: fadeInOut 1.5s ease;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

/* Video wrapper enhancements */
.position-relative video {
    cursor: pointer;
    transition: all 0.3s ease;
}

.position-relative video:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
}

/* Enhanced Modal Animations */
@keyframes modalSlideIn {
    from {
        transform: translate(-50%, -60%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, -50%);
        opacity: 1;
    }
}

.modal-dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Enhanced Project Image Styling */
.project-img-container {
    position: relative;
    height: 200px;
    overflow: hidden;
    border-radius: 15px 15px 0 0;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(57, 255, 20, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-img {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    object-position: center center !important;
    padding: 15px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    margin: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.project-img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(0, 255, 255, 0.3);
}

/* Dark mode project image styling */
[data-bs-theme="dark"] .project-img {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 255, 255, 0.2);
}

[data-bs-theme="dark"] .project-img:hover {
    box-shadow: 0 8px 30px rgba(0, 255, 255, 0.4);
}

/* Light mode project image styling */
[data-bs-theme="light"] .project-img-container {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1), rgba(40, 167, 69, 0.1));
}

[data-bs-theme="light"] .project-img {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

[data-bs-theme="light"] .project-img:hover {
    box-shadow: 0 8px 30px rgba(0, 123, 255, 0.3);
}

/* Enhanced Project Cards - SIMPLIFIED TO FIX FLOATING */
.project-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 123, 255, 0.2);
}

/* Loading states for external links */
a[target="_blank"] {
    transition: all 0.3s ease;
}

a[target="_blank"]:hover {
    color: var(--light-blue-accent) !important;
    text-decoration: underline;
}

/* Enhanced skill cards */
.skill-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.skill-card:hover {
    transform: translateY(-5px) scale(1.05);
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(57, 255, 20, 0.1));
    border: 1px solid var(--light-blue-accent);
}

/* Form enhancements */
form input:focus, form textarea:focus {
    border-color: var(--light-blue-accent);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
    outline: none;
}

.btn-success {
    background-color: var(--neon-green-accent) !important;
    border-color: var(--neon-green-accent) !important;
    color: #000 !important;
}

/* Accessibility improvements */
.btn:focus, button:focus, a:focus {
    outline: 2px solid var(--light-blue-accent);
    outline-offset: 2px;
}

/* Performance optimizations - DISABLED TO FIX FLOATING ISSUES */
/* .project-card, .skill-card, .btn, button, video {
    will-change: transform;
} */

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Enhanced loading screen */
#loading-screen {
    backdrop-filter: blur(10px);
    transition: all 0.5s ease-out;
}

/* Parallax container */
.parallax-container {
    overflow: hidden;
}

/* Mobile touch improvements */
@media (max-width: 768px) {
    .btn, button {
        padding: 12px 20px;
        font-size: 1.1rem;
        min-height: 44px;
    }
    
    .project-card:hover {
        transform: none;
    }
    
    .skill-card:hover {
        transform: scale(1.02);
    }
}

/* Dark mode specific enhancements */
[data-bs-theme="dark"] .video-message {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

[data-bs-theme="light"] .video-message {
    background: rgba(0, 0, 0, 0.7);
    color: white;
}

/* Notification animations */
@keyframes slideInNotification {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification {
    animation: slideInNotification 0.3s ease-out;
}

/* Toast Notifications */
.toast-info {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.9), rgba(0, 123, 255, 0.9));
    color: white;
}

.toast-success {
    background: linear-gradient(135deg, rgba(57, 255, 20, 0.9), rgba(40, 167, 69, 0.9));
    color: white;
}

.toast-error {
    background: linear-gradient(135deg, rgba(255, 0, 0, 0.9), rgba(220, 53, 69, 0.9));
    color: white;
}

.toast-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.9), rgba(255, 143, 0, 0.9));
    color: #000;
}

.toast {
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Project overlay animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Enhanced project overlay styling */
.project-overlay {
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
}

.project-overlay > div {
    background: linear-gradient(135deg, 
        rgba(var(--bs-body-bg-rgb), 0.95) 0%, 
        rgba(var(--bs-body-bg-rgb), 0.9) 100%) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
}

/* Enhanced glassmorphism effect */
.glassmorphism {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-bs-theme="dark"] .glassmorphism {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Enhanced Sidebar Responsive Styles */
@media (max-width: 768px) {
    .sidebar {
        display: none; /* Hide desktop sidebar on mobile */
    }
    
    .main-content {
        margin-left: 0 !important; /* Remove margin on mobile */
    }
    
    .main-content.shifted {
        margin-left: 0 !important; /* Remove margin even when shifted class exists */
    }
}

@media (min-width: 769px) {
    .mobile-nav {
        display: none !important; /* Hide mobile nav on desktop */
    }
}

/* Improved sidebar animation performance */
.sidebar {
    will-change: width;
}

.main-content {
    will-change: margin-left;
}

.nav-link {
    will-change: transform, background-color;
}

/* Enhanced sidebar visual indicators */
.sidebar::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -1px;
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, transparent, var(--light-blue-accent), transparent);
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar.expanded::before {
    opacity: 1;
}

/* Visual indicator for auto-expanded state */
.sidebar.auto-expanded::after {
    content: '📌';
    position: absolute;
    top: 20px;
    right: 15px;
    font-size: 12px;
    opacity: 0.7;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* Scroll indicator for expanded sidebar */
.sidebar.expanded .nav-link.active::after {
    content: '';
    position: absolute;
    right: -1px;
    top: 50%;
    width: 3px;
    height: 100%;
    background: var(--light-blue-accent);
    transform: translateY(-50%);
    border-radius: 0 2px 2px 0;
}