:root {
    --bg-color: #1c1c1c;
    --bg-secondary: #1a1a1a;
    --text-color: #cecfc9;
    --text-secondary: #a0a0a0;
    --primary-color: #3b82f6;
    --primary-light: #60a5fa;
    --primary-dark: #1d4ed8;
    --accent-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-light: rgba(59, 130, 246, 0.1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    --header-height: 80px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Reset and base styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Comfortaa', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* ==========================================================================
   Layout Components
   ========================================================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    z-index: 1000;
    transition: var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-header {
    padding: 2rem 1.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.profile-info {
    text-align: center;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 20px var(--shadow-light);
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.profile-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.nav-menu {
    list-style: none;
    padding: 1rem 0;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.5rem;
    color: var(--text-color);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    margin: 0 0.75rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 1;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    transform: translateX(4px);
}

.nav-icon {
    width: 20px;
    height: 20px;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.time-display {
    color: var(--text-secondary);
    text-align: start;
    font-variant-numeric: tabular-nums;
    padding: 0.5rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: var(--transition);
}

.content-section {
    display: none;
    padding: 2rem;
    animation: fadeIn 0.5s ease-in-out;
}

.content-section.active {
    display: block;
}

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

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Content Cards */
.content-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px var(--shadow-color);
    transition: var(--transition);
}

.content-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--shadow-color);
}

/* About Section */
.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.contact-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.contact-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.contact-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.contact-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.contact-button:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-light);
}

.contact-button svg {
    width: 20px;
    height: 20px;
    margin-right: 0.5rem;
}

/* Technology Stack */
.tech-grid {
    display: grid;
    gap: 2rem;
}

.tech-category {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.tech-category-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.tech-items {
    display: grid;
    gap: 1rem;
}

.tech-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tech-item:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary-color);
}

.tech-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.tech-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

.tech-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .projects-grid {
        max-width: 800px;
        gap: 1.25rem;
    }
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 220px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.project-card.expanded {
    height: auto;
    min-height: 220px;
    transform: scale(1.02);
    box-shadow: 0 20px 60px var(--shadow-color);
    border-color: var(--primary-color);
    z-index: 10;
}

.project-card:hover:not(.expanded) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-color);
    border-color: var(--primary-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    min-height: 3rem;
    flex-shrink: 0;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.project-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
    margin-left: 0.5rem;
}

.project-status.available {
    background: var(--success-color);
    color: white;
}

.project-status.coming-soon {
    background: var(--warning-color);
    color: white;
}

.project-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
    min-height: 0;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:not(.expanded) .project-description {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    margin-bottom: 0;
}

.project-card.expanded .project-description {
    display: block;
    -webkit-line-clamp: unset;
    margin-bottom: 1rem;
}

.project-links {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    opacity: 1;
    transition: opacity 0.3s ease;
    flex-shrink: 0;
}

.project-card:not(.expanded) .project-links {
    opacity: 0.8;
}

.project-card.expanded .project-links {
    opacity: 1;
}

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    line-height: 1;
}

.project-link:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.project-link.disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.project-link svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    display: block;
}

/* ==========================================================================
   API Documentation Styles
   ========================================================================== */
.api-endpoints {
    display: grid;
    gap: 1.5rem;
}

.endpoint-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.endpoint-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.endpoint-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.endpoint-method {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.endpoint-method.post {
    background: var(--success-color);
    color: white;
}

.endpoint-method.get {
    background: var(--primary-color);
    color: white;
}

.endpoint-url {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 1rem;
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
}

.endpoint-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Donate Section */
.donate-content {
    text-align: center;
}

.donate-text {
    margin-bottom: 2rem;
}

.donate-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.donate-widget {
    display: flex;
    justify-content: center;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1001;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem;
    color: var(--text-color);
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.mobile-menu-toggle:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
}

/* Overlay */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    backdrop-filter: blur(4px);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .overlay.active {
        display: block;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .content-section {
        padding: 1rem;
    }
    
    .content-card {
        padding: 1.5rem;
    }
    
    .projects-grid {
        max-width: 100%;
        padding: 0 1rem;
        gap: 1rem;
    }
    
    .project-card {
        height: 200px;
    }
    
    .project-card.expanded {
        height: auto;
        min-height: 200px;
    }
    
    .contact-buttons {
        grid-template-columns: 1fr;
    }
    
    .tech-items {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .content-card {
        padding: 1rem;
    }
    
    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

/* Print styles */
@media print {
    .sidebar,
    .mobile-menu-toggle,
    .overlay {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-section {
        display: block;
        page-break-inside: avoid;
    }
}

/* ==========================================================================
   Sport Section Styles
   ========================================================================== */
.sport-intro {
    margin-bottom: 2rem;
}

.sport-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.sport-activities {
    display: grid;
    gap: 2rem;
}

.sport-category {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.sport-category-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.sport-items {
    display: grid;
    gap: 1rem;
}

.sport-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.sport-item:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary-color);
}

.sport-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.sport-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

.sport-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.achievement-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px var(--shadow-light);
}

.achievement-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.achievement-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.achievement-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================================================
   Photography Section Styles
   ========================================================================== */
.photography-intro {
    margin-bottom: 2rem;
}

.photography-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.photography-content {
    display: grid;
    gap: 2rem;
}

.photo-categories,
.photo-equipment {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
}

.photo-category-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.photo-items {
    display: grid;
    gap: 1rem;
}

.photo-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.photo-item:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--accent-color);
}

.photo-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.photo-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

.photo-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.equipment-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.equipment-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.1);
}

.equipment-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.equipment-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.equipment-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}



/* Responsive adjustments for new sections */
@media (max-width: 768px) {
    .achievements-grid,
    .equipment-grid {
        grid-template-columns: 1fr;
    }
    
    .sport-items,
    .photo-items {
        grid-template-columns: 1fr;
    }
    
    .sport-item,
    .photo-item {
        flex-direction: column;
        text-align: center;
    }
    
    .sport-icon,
    .photo-icon {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 480px) {
    .achievement-card,
    .equipment-card {
        padding: 1rem;
    }
    

}

/* Smart Gallery */
.smart-gallery-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.smart-gallery {
    column-count: 4;
    column-gap: 0.5rem;
    margin: 1rem 0;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.smart-gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    break-inside: avoid;
    margin-bottom: 0.5rem;
    display: block;
}

.smart-gallery-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-width: 100%;
}



/* Responsive smart gallery */
@media (max-width: 1200px) {
    .smart-gallery {
        column-count: 3;
    }
}

@media (max-width: 768px) {
    .smart-gallery {
        column-count: 2;
        column-gap: 0.4rem;
    }
    
    .smart-gallery-item {
        margin-bottom: 0.4rem;
    }
}

@media (max-width: 480px) {
    .smart-gallery {
        column-count: 1;
        column-gap: 0.3rem;
    }
    
    .smart-gallery-item {
        margin-bottom: 0.3rem;
    }
}



.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    aspect-ratio: 4/3;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--shadow-color);
    border-color: var(--accent-color);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.gallery-overlay p {
    font-size: 0.875rem;
    opacity: 0.9;
    line-height: 1.4;
}

.gallery-footer {
    text-align: center;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

.gallery-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.gallery-link:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* Responsive gallery */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .gallery-overlay {
        padding: 1rem;
    }
    
    .gallery-overlay h4 {
        font-size: 1rem;
    }
    
    .gallery-overlay p {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item {
        aspect-ratio: 3/2;
    }
}



/* ==========================================================================
   Project Card Background Images
   ========================================================================== */
.project-card.working-hours {
    position: relative;
    overflow: hidden;
}

.project-card.working-hours::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://static.rustore.ru/imgproxy/TEfyg7RG3GaKuHwbfXiZ2EOuwL3i5RrXNNJqbpN4Xjc/preset:web_app_icon_160/aHR0cHM6Ly9zdGF0aWMucnVzdG9yZS5ydS9hcGsvMjA2MzYzMDE4NC9jb250ZW50L0lDT04vNzM2ZGJmOGEtMTAyMC00YzQ3LWFhMGQtMWM0YmYwZTZiOTA1LnBuZw==.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: -1;
    transition: var(--transition);
}
.project-card.task-time {
    position: relative;
    overflow: hidden;
}

.project-card.task-time::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://static.rustore.ru/imgproxy/J8tgFf1sLXO0LvTIfFoI2JlVWI73jdxtMH0P9Kd-VAw/preset:web_app_icon_160/aHR0cHM6Ly9zdGF0aWMucnVzdG9yZS5ydS9hcGsvMjA2MzY0MTQ2Mi9jb250ZW50L0lDT04vMTRmNDdjMzctMThiZS00YWM1LWJkZmMtYjNlZDFhM2Y5YzMxLnBuZw==.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: -1;
    transition: var(--transition);
}


.project-card.wot-calc {
    position: relative;
    overflow: hidden;
}

.project-card.wot-calc::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://static.rustore.ru/imgproxy/jLj7WRB5gfRnJoBEj2pxgwg9kIgymPai3vDhce2iY-w/preset:web_app_icon_160/aHR0cHM6Ly9zdGF0aWMucnVzdG9yZS5ydS9hcGsvMjA2MzYyOTA5Mi9jb250ZW50L0lDT04vNTYzMjExNTAtY2U1MC00ZGU5LTlhYjEtNDY0MGQ2MTBlNmVjLnBuZw==.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: -1;
    transition: var(--transition);
}

.project-card.feeling-diary {
    position: relative;
    overflow: hidden;
}

.project-card.feeling-diary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://static.rustore.ru/imgproxy/ujTupRu0DZVryM_Y9nIIqOVpyuV8TsToOFGwvV_26os/preset:web_app_icon_160/aHR0cHM6Ly9zdGF0aWMucnVzdG9yZS5ydS9hcGsvMjA2MzYyMzM4My9jb250ZW50L0lDT04vODIwNGFmNDktNDFiYy00YzFmLTg4ZjItYTY5MTA1OWMwODJlLnBuZw==.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: -1;
    transition: var(--transition);
}

/* Hover effects for project backgrounds */
.project-card.working-hours:hover::before,
.project-card.task-time:hover::before,
.project-card.wot-calc:hover::before,
.project-card.feeling-diary:hover::before {
    opacity: 0.15;
    transform: scale(1.05);
}

/* Ensure content stays above background */
.project-card.working-hours > *,
.project-card.task-time > *,
.project-card.wot-calc > *,
.project-card.feeling-diary > * {
    position: relative;
    z-index: 1;
}

/* ===== Сертификаты: галерея в спорте ===== */
.certificates-gallery {
    display: flex;
    flex-direction: row;
    gap: 20px;
    justify-content: flex-start;
    align-items: stretch;
    margin-top: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.certificates-gallery-item {
    flex: 1 1 0;
    min-width: 0;
    cursor: pointer;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: stretch;
}
.certificates-gallery-item:not(:last-child) {
    /* gap уже есть, но для старых браузеров можно добавить margin */
}
.certificates-gallery-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

@media (max-width: 700px) {
    .certificates-gallery {
        display: block;
        width: 100%;
        padding: 8px;
    }
    .certificates-gallery-item {
        display: block;
        width: 100%;
        margin-bottom: 16px;
        padding: 4px;
    }
    .certificates-gallery-image {
        width: 100%;
        height: auto;
        display: block;
        border-radius: 10px;
    }
}

/* ===== Модальное окно для увеличенного просмотра сертификата ===== */
.certificate-modal {
    display: none; /* Скрыто по умолчанию */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
    justify-content: center;
    align-items: center;
    transition: opacity 0.2s;
}
.certificate-modal.open {
    display: flex;
}
.certificate-modal-content {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    background: #fff;
    object-fit: contain;
}
.certificate-modal-close {
    position: absolute;
    top: 24px;
    right: 36px;
    color: #fff;
    font-size: 2.5rem;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    transition: color 0.2s;
}
.certificate-modal-close:hover {
    color: #ffb300;
}

.certificates-gallery-static {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin: 16px 0;
}
.cert-item {
  display:flex;
  justify-content:center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 8px;
  transition: box-shadow 0.2s;
}
.cert-item:hover,
.cert-item:focus {
  box-shadow: 0 4px 16px rgba(0,0,0,0.16);
}
.cert-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.2s;
}
.cert-img:hover,
.cert-img:focus {
  transform: scale(1.04);
}
@media (max-width: 700px) {
  .certificates-gallery-static {
    grid-template-columns: 1fr;
  }
}