/* Custom Styles for Витале Website */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --transition: all 0.3s ease;
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --card-bg: #2d2d2d;
    --border-color: #404040;
}

/* Body and Base Styles */
body {
    font-family: 'Inter', sans-serif;
    padding-top: 69px;
    transition: var(--transition);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 0 60px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-image {
    border: 5px solid white;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
    width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    animation: floatImage 6s ease-in-out infinite;
}

@keyframes floatImage {
    0%, 100% { 
        border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
        transform: translateY(0) rotate(0deg);
    }
    25% { 
        border-radius: 60% 40% 60% 40% / 50% 70% 30% 50%;
        transform: translateY(-10px) rotate(2deg);
    }
    50% { 
        border-radius: 40% 60% 40% 60% / 70% 50% 50% 30%;
        transform: translateY(-5px) rotate(-2deg);
    }
    75% { 
        border-radius: 50% 50% 50% 50% / 40% 60% 60% 40%;
        transform: translateY(-10px) rotate(1deg);
    }
}

.hero-image:hover {
    transform: scale(1.05) rotate(5deg);
    border-radius: 50%;
    clip-path: circle(50%);
}

/* Social Links */
.social-links-hero {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    color: white;
}

/* Modern Footer Styles */
footer {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%) !important;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

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

.footer-brand {
    position: relative;
}

.footer-brand h5 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-section-title {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    position: relative;
    padding-left: 0;
}

.footer-links a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    margin-right: 0;
    color: #667eea;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 15px;
    transform: translateX(5px);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
    margin-right: 5px;
}

.social-link-footer {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    margin-right: 12px;
    margin-bottom: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.social-link-footer::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: 0;
}

.social-link-footer i {
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.social-link-footer:hover {
    transform: translateY(-5px) scale(1.1);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.social-link-footer:hover::before {
    width: 100%;
    height: 100%;
}

.social-link-footer:hover i {
    transform: scale(1.2) rotate(5deg);
    color: #fff;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.footer-contact-item i {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(102, 126, 234, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: #667eea;
    transition: all 0.3s ease;
}

.footer-contact-item:hover {
    color: #fff;
    transform: translateX(5px);
}

.footer-contact-item:hover i {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    transform: scale(1.1);
}

.footer-newsletter {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-newsletter-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: #fff;
    padding: 0.75rem 1rem;
    width: 100%;
    transition: all 0.3s ease;
}

.footer-newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.footer-newsletter-input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: #667eea;
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.footer-newsletter-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    color: #fff;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 0.5rem;
}

.footer-newsletter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    color: #fff;
}

/* Gradient Buttons - Same style as footer newsletter button */
.btn-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    color: #fff;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    color: #fff;
}

.btn-gradient-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-gradient-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: 8px;
}

.btn-gradient-sm:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

/* Hero Section Buttons - Enhanced contrast */
.hero-section .btn-gradient {
    background: rgba(255, 255, 255, 0.95) !important;
    color: #667eea !important;
    border: 2px solid rgba(255, 255, 255, 0.5) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

/* Gradient background - always behind text */
.hero-section .btn-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: left 0.3s ease;
    z-index: -1;
    pointer-events: none;
}

/* Text content - always above gradient */
.hero-section .btn-gradient {
    position: relative;
    z-index: 1;
    color: #667eea !important;
}

.hero-section .btn-gradient * {
    position: relative;
    z-index: 2;
    color: inherit !important;
    transition: color 0.3s ease;
}

.hero-section .btn-gradient:hover {
    background: rgba(255, 255, 255, 1) !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.2) inset;
    border-color: rgba(255, 255, 255, 0.8) !important;
}

.hero-section .btn-gradient:hover::before {
    left: 0;
    z-index: -1;
}

.hero-section .btn-gradient:hover {
    color: #fff !important;
}

.hero-section .btn-gradient:hover * {
    color: #fff !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.footer-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.footer-stat-item {
    flex: 1;
    min-width: 100px;
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.footer-stat-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: rgba(102, 126, 234, 0.5);
}

.footer-stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.25rem;
}

.footer-stat-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    margin: 2rem 0;
    border: none;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    position: relative;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #667eea, transparent);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    font-size: 0.9rem;
}

.footer-copyright a {
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-copyright a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Dark theme footer adjustments */
[data-theme="dark"] footer {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0d0d0d 100%) !important;
}

/* Responsive footer */
@media (max-width: 768px) {
    .footer-stats {
        justify-content: center;
    }
    
    .footer-stat-item {
        min-width: 80px;
        flex: 0 0 calc(50% - 0.75rem);
    }
    
    .social-link-footer {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* Page Header - Enhanced */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    position: relative;
    display: inline-block;
}

.page-header h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
}

/* Breadcrumbs */
.breadcrumb-wrapper {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    margin-bottom: 2rem;
    display: inline-block;
}

.breadcrumb {
    margin: 0;
    padding: 0;
    background: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '→';
    color: rgba(255, 255, 255, 0.6);
    padding: 0 0.5rem;
    font-size: 0.8rem;
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
}

.breadcrumb-item a:hover {
    color: #fff;
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: #fff;
    font-weight: 600;
}

/* Breadcrumbs for light backgrounds */
.bg-light .breadcrumb-wrapper,
article .breadcrumb {
    background: rgba(102, 126, 234, 0.1) !important;
    backdrop-filter: blur(10px);
}

article .breadcrumb-item {
    color: #666;
}

article .breadcrumb-item a {
    color: #667eea;
}

article .breadcrumb-item.active {
    color: #333;
    font-weight: 600;
}

article .breadcrumb-item + .breadcrumb-item::before {
    color: #999;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

/* Section Dividers */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
    margin: 4rem 0;
    border: none;
    position: relative;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.section-divider::after {
    content: '✦';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #667eea;
    font-size: 1.2rem;
}

/* Enhanced Section Transitions */
section {
    position: relative;
}

.section-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-fade.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Article Cards */
.article-card {
    transition: var(--transition);
    border: none;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 40px;
}

.timeline-marker {
    position: absolute;
    left: -9px;
    top: 5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid white;
    box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.timeline-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

/* Gallery Styles */
.gallery-item {
    transition: var(--transition);
    cursor: pointer;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1 !important;
}

.transition {
    transition: var(--transition);
}

/* Newsletter Form */
.newsletter-form .form-control {
    border-radius: 50px 0 0 50px;
    border-right: none;
}

.newsletter-form .btn {
    border-radius: 0 50px 50px 0;
}

/* Lightbox Image */
.lightbox-image {
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-image:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

/* Filter Buttons */
.filter-btn {
    transition: var(--transition);
}

.filter-btn:hover {
    transform: translateY(-2px);
}

/* Contact Form */
.contact-icon {
    transition: var(--transition);
}

.contact-icon:hover {
    transform: rotate(5deg) scale(1.1);
}

/* Dark Theme Styles */
[data-theme="dark"] body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

[data-theme="dark"] .bg-light {
    background-color: var(--card-bg) !important;
    color: var(--text-color);
}

[data-theme="dark"] .card {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}

/* Modern Navbar Styles */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.navbar-brand::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

.navbar-brand:hover::after {
    width: 100%;
}

.navbar-brand:hover {
    transform: translateY(-2px);
}

.navbar-brand i {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.6rem;
    transition: transform 0.3s ease;
}

.navbar-brand:hover i {
    transform: rotate(360deg);
}

/* Nav Links with Modern Animation */
.navbar-nav {
    gap: 0.5rem;
}

.nav-link {
    position: relative;
    padding: 0.5rem 1rem !important;
    font-weight: 500;
    color: #333 !important;
    transition: all 0.3s ease;
    border-radius: 8px;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #667eea !important;
    transform: translateY(-2px);
    background: rgba(102, 126, 234, 0.05);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link.active {
    color: #667eea !important;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.nav-link.active::after {
    width: 80%;
}

/* Theme Toggle Button */
#themeToggle,
#themeToggleMobile {
    min-width: 44px;
    border: 2px solid #667eea;
    color: #667eea;
    background: transparent;
    border-radius: 10px;
    padding: 0.5rem 0.75rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

#themeToggle::before,
#themeToggleMobile::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
    z-index: 0;
}

#themeToggle:hover::before,
#themeToggleMobile:hover::before {
    width: 100%;
    height: 100%;
}

#themeToggle:hover,
#themeToggleMobile:hover {
    border-color: #764ba2;
    color: #fff;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

#themeToggle i,
#themeToggleMobile i {
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

#themeToggle:hover i,
#themeToggleMobile:hover i {
    transform: rotate(20deg);
}

[data-theme="dark"] .navbar {
    background: rgba(26, 26, 46, 0.95) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(26, 26, 46, 0.98) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .navbar-light .navbar-brand,
[data-theme="dark"] .navbar-light .nav-link {
    color: var(--text-color) !important;
}

[data-theme="dark"] .nav-link:hover {
    color: #667eea !important;
    background: rgba(102, 126, 234, 0.15);
}

[data-theme="dark"] .nav-link.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    border-color: rgba(102, 126, 234, 0.3);
}

[data-theme="dark"] .text-muted {
    color: #999 !important;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .display-3 {
        font-size: 2rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
    
    .timeline {
        padding-left: 20px;
    }
    
    .timeline-item {
        padding-left: 30px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

/* Statistics Section */
.stat-item {
    padding: 20px;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
}

.stat-item i {
    opacity: 0.9;
    transition: transform 0.3s ease;
}

.stat-item:hover i {
    transform: scale(1.1);
}

/* Portfolio Cards */
.portfolio-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15) !important;
}

.portfolio-image-wrapper:hover .portfolio-overlay {
    opacity: 1 !important;
}

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

.portfolio-overlay {
    transition: opacity 0.3s ease;
}

/* Testimonials */
.testimonial-card {
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

/* Progress Bars */
.progress {
    height: 25px;
    border-radius: 15px;
    overflow: hidden;
    background-color: #e9ecef;
}

.progress-bar {
    border-radius: 15px;
    transition: width 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
}

/* Animated Counter */
.counter {
    transition: all 0.3s ease;
}

/* Scroll Animations - WOW-like effects */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

/* Fade In Up */
.fade-in-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Fade In Down */
.fade-in-down {
    opacity: 0;
    transform: translateY(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-down.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Fade In Left */
.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Fade In Right */
.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Zoom In */
.zoom-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.zoom-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Flip In */
.flip-in {
    opacity: 0;
    transform: perspective(1000px) rotateY(-90deg);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.flip-in.visible {
    opacity: 1;
    transform: perspective(1000px) rotateY(0deg);
}

/* Slide In Left */
.slide-in-left {
    opacity: 0;
    transform: translateX(-100px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Slide In Right */
.slide-in-right {
    opacity: 0;
    transform: translateX(100px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Bounce In */
.bounce-in {
    opacity: 0;
    transform: scale(0.3);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.bounce-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Rotate In */
.rotate-in {
    opacity: 0;
    transform: rotate(-180deg) scale(0.5);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.rotate-in.visible {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Stagger Animation Delay */
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }
.animate-delay-5 { transition-delay: 0.5s; }

/* Skills Section */
.skill-item {
    margin-bottom: 25px;
}

.skill-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-weight: 600;
}

/* Certificates Grid */
.certificate-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* Services Section */
.service-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: 15px;
    transition: all 0.3s ease;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 2rem;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0a58ca;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Mobile Menu - Enhanced Styling */

/* Hamburger button animation */
.navbar-toggler {
    transition: all 0.3s ease;
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 8px;
    padding: 0.5rem;
    background: rgba(102, 126, 234, 0.05);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
    border-color: #667eea;
}

.navbar-toggler:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: #667eea;
    transform: scale(1.05);
}

.navbar-toggler-icon {
    transition: all 0.3s ease;
    width: 1.5em;
    height: 1.5em;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(102, 126, 234, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-toggler[aria-expanded="true"] {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    border-color: #667eea;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    transform: rotate(90deg);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(102, 126, 234, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 18L18 6M6 6l12 12'/%3e%3c/svg%3e");
}

/* Mobile menu styling */
@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: 1rem;
        padding: 1.5rem;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(102, 126, 234, 0.1);
        animation: slideDown 0.3s ease;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    [data-theme="dark"] .navbar-collapse {
        background: rgba(26, 26, 46, 0.98);
        border-color: rgba(102, 126, 234, 0.2);
    }
    
    .navbar-nav {
        gap: 0.75rem;
    }
    
    .nav-link {
        padding: 1rem 1.25rem !important;
        border-radius: 10px;
        transition: all 0.3s ease;
        margin: 0.25rem 0;
    }
    
    .nav-link:hover {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        transform: translateX(5px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
    }
    
    .nav-link.active {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
        border: 1px solid rgba(102, 126, 234, 0.3);
        font-weight: 600;
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
    }
    
    [data-theme="dark"] .nav-link:hover {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    }
    
    [data-theme="dark"] .nav-link.active {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.25), rgba(118, 75, 162, 0.25));
        border-color: rgba(102, 126, 234, 0.4);
    }
}