/* ===== CERTIFICATES PAGE STYLES ===== */

/* ===== CERTIFICATES HEADER ===== */
.certificates-header {
    padding: var(--space-20) 0 var(--space-16) 0;
    background: var(--bg-secondary);
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    margin-top: 80px;
    text-align: center;
}

.certificates-intro h1 {
    font-size: 3.8rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--space-4);
    font-family: 'JetBrains Mono', monospace;
    background: linear-gradient(135deg, var(--white), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.certificates-subtitle {
    font-size: 1.3rem;
    color: var(--gray-300);
    
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.certificates-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    margin-top: var(--space-8);
    flex-wrap: wrap;
}

.certificates-stats .stat-item {
    text-align: center;
    background: var(--bg-card);
    padding: var(--space-5);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(16, 185, 129, 0.3);
    backdrop-filter: blur(10px);
    min-width: 140px;
    transition: var(--transition-slow);
}

.certificates-stats .stat-item:hover {
    transform: translateY(-5px);
    border-color: rgba(16, 185, 129, 0.5);
    box-shadow: var(--shadow-lg);
}

.certificates-stats .stat-number {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--secondary-color);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: var(--space-1);
}

.certificates-stats .stat-label {
    font-size: 0.9rem;
    color: var(--gray-400);
    font-weight: 500;
}

/* ===== FILTER SECTION ===== */
.certificates-filter {
    padding: var(--space-12) 0;
    background: var(--bg-secondary);
    border-top: 1px solid rgba(16, 185, 129, 0.1);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-card);
    color: var(--gray-300);
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    color: var(--white);
    border-color: rgba(16, 185, 129, 0.4);
    background: rgba(16, 185, 129, 0.1);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--secondary-color);
    color: var(--white);
    border-color: var(--secondary-color);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

/* ===== CERTIFICATES GRID ===== */
.certificates-section {
    padding: var(--space-16) 0;
    background: var(--bg-secondary);
    border-top: 1px solid rgba(16, 185, 129, 0.1);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

/* ===== CERTIFICATE CARDS ===== */
.certificate-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(16, 185, 129, 0.2);
    transition: var(--transition-slow);
    position: relative;
    opacity: 1;
    transform: translateY(0);
}

.certificate-card.featured {
    border-color: var(--accent-color);
    background: rgba(245, 158, 11, 0.05);
}

.certificate-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(16, 185, 129, 0.4);
}

.certificate-card.featured:hover {
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.2);
}

/* ===== CERTIFICATE BADGE ===== */
.certificate-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 2;
}

.certificate-badge .badge-text {
    background: var(--secondary-color);
    color: var(--white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.certificate-badge.professional .badge-text {
    background: var(--accent-color);
}

/* ===== CERTIFICATE IMAGE ===== */
.certificate-image {
    height: 240px;
    overflow: hidden;
    position: relative;
    object-position: top
}

.certificate-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    object-position: top
}

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

.certificate-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(16, 185, 129, 0.8) 0%, 
        rgba(245, 158, 11, 0.8) 100%);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate-card:hover .certificate-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: var(--white);
}

.overlay-content i {
    font-size: 2.5rem;
    margin-bottom: var(--space-2);
    animation: bounceIn 0.6s ease-out;
}

.overlay-content span {
    display: block;
    font-weight: 600;
    font-size: 1.1rem;
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

/* ===== CERTIFICATE CONTENT ===== */
.certificate-content {
    padding: var(--space-6);
}

.certificates-header {
    padding: var(--space-20) 0 var(--space-16) 0;
    background: var(--bg-secondary);
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    margin-top: 120px;
    text-align: center;
}

.certificate-provider {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(16, 185, 129, 0.1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.certificate-date {
    color: var(--gray-400);
    font-size: 0.85rem;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
}

.certificate-content h3 {
    font-size: 1.4rem;
    color: var(--white);
    margin-bottom: var(--space-3);
    font-weight: 600;
    line-height: 1.3;
}

.certificate-content p {
    color: var(--gray-300);
    margin-bottom: var(--space-5);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ===== CERTIFICATE SKILLS ===== */
.certificate-skills {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.certificate-skills .skill-tag {
    background: rgba(16, 185, 129, 0.15);
    color: var(--secondary-color);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(16, 185, 129, 0.25);
    transition: var(--transition);
}

.certificate-skills .skill-tag:hover {
    background: rgba(16, 185, 129, 0.25);
    color: var(--white);
    transform: translateY(-1px);
}

/* ===== CERTIFICATE ACTIONS ===== */
.certificate-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.cert-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
    border: 1px solid;
    cursor: pointer;
    background: transparent;
}

.verify-link {
    color: var(--secondary-color);
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(16, 185, 129, 0.05);
}

.verify-link:hover {
    color: var(--white);
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.view-link {
    color: var(--accent-color);
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.05);
}

.view-link:hover {
    color: var(--white);
    background: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.link-icon {
    font-size: 1rem;
}

/* ===== ACHIEVEMENTS SUMMARY ===== */
.achievements-summary {
    margin-top: var(--space-16);
}

.summary-card {
    background: var(--bg-card);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(16, 185, 129, 0.2);
    backdrop-filter: blur(10px);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.summary-card h3 {
    color: var(--white);
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
    font-family: 'JetBrains Mono', monospace;
}

.summary-card p {
    color: var(--gray-300);
    line-height: 1.7;
    margin-bottom: var(--space-6);
    font-size: 1rem;
}

.learning-path {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.path-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3);
    background: rgba(16, 185, 129, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.path-year {
    color: var(--secondary-color);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    min-width: 60px;
}

.path-desc {
    color: var(--gray-300);
    flex: 1;
}

/* ===== NEXT STEPS SECTION ===== */
.next-steps-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    border-top: 1px solid rgba(16, 185, 129, 0.1);
}

.next-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.next-step-item {
    background: var(--bg-card);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(16, 185, 129, 0.2);
    backdrop-filter: blur(10px);
    text-align: center;
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.next-step-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
    transition: left 0.8s ease;
}

.next-step-item:hover::before {
    left: 100%;
}

.next-step-item:hover {
    transform: translateY(-8px);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: var(--shadow-xl);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    display: block;
}

.next-step-item h3 {
    color: var(--white);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.next-step-item p {
    color: var(--gray-300);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    font-size: 0.95rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--space-2);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: var(--radius-sm);
    transition: width 1.5s ease-out;
}

.progress-text {
    color: var(--secondary-color);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

/* ===== CERTIFICATE MODAL ===== */
.certificate-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(16, 185, 129, 0.3);
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.modal-body {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-8);
}

.modal-body img {
    flex: 0 0 300px;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 2px solid rgba(16, 185, 129, 0.3);
}

.modal-info {
    flex: 1;
    min-width: 0;
}

.modal-info h3 {
    color: var(--white);
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.modal-info p {
    color: var(--gray-300);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.modal-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.modal-skills .skill-tag {
    background: rgba(16, 185, 129, 0.15);
    color: var(--secondary-color);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.modal-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.modal-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid;
    cursor: pointer;
    transition: var(--transition);
}

.verify-btn {
    background: var(--secondary-color);
    color: var(--white);
    border-color: var(--secondary-color);
}

.verify-btn:hover {
    background: transparent;
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.download-btn {
    background: transparent;
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.download-btn:hover {
    background: var(--accent-color);
    color: var(--white);
    transform: translateY(-2px);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===== FILTER ANIMATIONS ===== */
.certificate-card.hidden {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.certificate-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .certificates-intro h1 {
        font-size: 3rem;
    }
    
    .certificates-stats {
        gap: var(--space-6);
    }
    
    .certificates-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: var(--space-6);
    }
    
    .filter-buttons {
        gap: var(--space-2);
    }
    
    .filter-btn {
        padding: var(--space-2) var(--space-4);
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .certificates-header {
        padding: var(--space-16) 0 var(--space-12) 0;
        margin-top: 75px;
    }
    
    .certificates-intro h1 {
        font-size: 2.5rem;
    }
    
    .certificates-subtitle {
        font-size: 1.1rem;
    }
    
    .certificates-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--space-4);
    }
    
    .certificates-stats .stat-item {
        min-width: 200px;
        padding: var(--space-4);
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-2);
    }
    
    .filter-btn {
        min-width: 200px;
        text-align: center;
    }
    
    .certificate-content {
        padding: var(--space-5);
    }
    
    .certificate-actions {
        flex-direction: column;
    }
    
    .cert-link {
        justify-content: center;
        text-align: center;
    }
    
    .modal-body {
        flex-direction: column;
        padding: var(--space-6);
    }
    
    .modal-body img {
        flex: none;
        width: 100%;
        height: 300px;
    }
    
    .learning-path {
        gap: var(--space-2);
    }
    
    .path-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2);
    }
    
    .next-steps-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .certificates-header {
        padding: var(--space-12) 0 var(--space-10) 0;
        margin-top: 70px;
    }
    
    .certificates-intro h1 {
        font-size: 2rem;
    }
    
    .certificates-subtitle {
        font-size: 1rem;
    }
    
    .certificates-stats .stat-number {
        font-size: 1.8rem;
    }
    
    .certificates-stats .stat-item {
        min-width: 150px;
        padding: var(--space-3);
    }
    
    .certificate-image {
        height: 200px;
    }
    
    .certificate-content {
        padding: var(--space-4);
    }
    
    .certificate-content h3 {
        font-size: 1.2rem;
    }
    
    .filter-btn {
        min-width: 180px;
    }
    
    .certificates-section {
        padding: var(--space-12) 0;
    }
    
    .next-step-item {
        padding: var(--space-6);
    }
    
    .step-icon {
        font-size: 2.5rem;
    }
}

/* ===== ACCESSIBILITY IMPROVEMENTS ===== */
@media (prefers-reduced-motion: reduce) {
    .certificate-card,
    .certificate-image img,
    .certificate-overlay,
    .cert-link,
    .filter-btn,
    .next-step-item {
        transition: none !important;
        animation: none !important;
    }
    
    .certificate-card:hover {
        transform: none !important;
    }
    
    .progress-fill {
        transition: none !important;
    }
}

/* ===== FOCUS STATES ===== */
.filter-btn:focus,
.cert-link:focus,
.modal-btn:focus,
.modal-close:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
    border-radius: var(--radius-md);
}

/* ===== PRINT STYLES ===== */
@media print {
    .certificates-header,
    .certificates-filter,
    .next-steps-section {
        background: white !important;
        color: black !important;
    }
    
    .certificate-card {
        border: 1px solid #ddd !important;
        background: #f9f9f9 !important;
        break-inside: avoid;
        margin-bottom: 2rem;
    }
    
    .certificate-content h3,
    .certificate-provider {
        color: black !important;
    }
    
    .certificate-content p {
        color: #333 !important;
    }
    
    .certificate-overlay,
    .certificate-badge {
        display: none !important;
    }
    
    .certificate-actions {
        display: none !important;
    }
}

/* ===== LOADING STATES ===== */
.certificates-loading {
    opacity: 0.6;
    pointer-events: none;
}

.certificates-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--secondary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.certificate-card {
    animation: fadeInUp 0.6s ease-out;
}

.filter-btn {
    animation: fadeInScale 0.4s ease-out;
}

/* ===== END OF CERTIFICATES CSS ===== */