/* Card Components */

/* Project Cards */
.projects-section {
    overflow: hidden;
}

.project-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.project-image {
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.7));
    opacity: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    transition: opacity 0.3s ease;
}

.project-category {
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    background-color: var(--primary-color);
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 4px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

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

.project-card:hover .project-category {
    transform: translateY(0);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tags span {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-content p {
    margin-bottom: 1.5rem;
    flex: 1;
    font-size: 0.95rem;
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: auto;
    flex-wrap: wrap;
}

/* Backend Project Specific */
.backend-project .project-image {
    background-color: var(--dark-color);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
}

.backend-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 2rem 1rem;
    color: var(--white);
    background: linear-gradient(to bottom, #1a2a3a, #2c3e50);
    min-height: 220px;
}

.backend-visual i {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.3));
}

.backend-diagram {
    display: flex;
    justify-content: space-around;
    width: 100%;
    max-width: 280px;
    position: relative;
    margin: 1rem auto;
}

.backend-diagram::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.3);
    z-index: 1;
}

.diagram-item {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: white;
    position: relative;
    z-index: 2;
    animation: pulse 2s infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    padding: 8px;
}

.diagram-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.diagram-item.api {
    animation-delay: 0s;
    border: 2px solid #E76F00;
}

.diagram-item.database {
    animation-delay: 0.5s;
    border: 2px solid #6DB33F;
}

.diagram-item.server {
    animation-delay: 1s;
    border: 2px solid #6DB33F;
}

/* Skill Cards */
.skills-section {
    padding: 4rem 0;
}

.skill-card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    margin-bottom: 1.5rem;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.skill-icon-wrapper {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(52, 152, 219, 0.1);
    border: 2px solid rgba(52, 152, 219, 0.2);
}

.skill-icon {
    font-size: 2rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

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

.skill-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.skill-tags {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    align-items: flex-start;
    margin-top: 1rem;
    text-align: left;
}

.skill-item {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    padding: 0.3rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.skill-item:last-child {
    border-bottom: none;
}

.skill-item i {
    color: var(--primary-color);
    font-size: 0.7rem;
    margin-right: 0.75rem;
    width: 12px;
    flex-shrink: 0;
}

.skill-item:hover {
    color: var(--dark-color);
    padding-left: 0.5rem;
    background-color: rgba(52, 152, 219, 0.05);
}

/* Certificate Cards */
.cert-section {
    background: var(--bg-color);
}

.enhanced-cert {
    background: var(--white);
    border-radius: 15px;
    padding: 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    border: 1px solid #e0e0e0;
}

.enhanced-cert:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.cert-header {
    position: relative;
    overflow: hidden;
    border-radius: 15px 15px 0 0;
}

.cert-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.enhanced-cert:hover .cert-img {
    transform: scale(1.05);
}

.cert-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.cert-body h3 {
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.cert-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
}

.skill-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
}

.cert-description {
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cert-meta {
    margin-bottom: 1rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.meta-item i {
    width: 12px;
    color: var(--primary-color);
}

.cert-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

.cert-btn,
.verify-btn {
    flex: 1;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    padding: 0.5rem 1rem;
}

.cert-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.verify-btn {
    background: #28a745;
    border-color: #28a745;
    color: white;
    border: 1px solid #28a745;
}

.verify-btn:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.3);
    color: white;
    text-decoration: none;
}

.verify-btn.disabled {
    background: #6c757d;
    border-color: #6c757d;
    cursor: not-allowed;
}

.verify-btn.disabled:hover {
    transform: none;
    box-shadow: none;
    background: #6c757d;
}

.cert-modal-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Timeline Cards */
.timeline {
    position: relative;
    width: 100%;
    padding: 0 1rem;
    margin: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    width: calc(50% - 2rem);
}

.timeline-item:nth-child(odd) {
    margin-right: auto;
}

.timeline-item:nth-child(even) {
    margin-left: auto;
}

.timeline-content h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 500;
}

.timeline-content ul {
    padding-left: 1.5rem;
}

.timeline-content li {
    position: relative;
    margin-bottom: 0.8rem;
    list-style-type: disc;
    font-size: 0.95rem;
}

/* Education Cards */
.education-section {
    padding: 4rem 0;
}

.education-item {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.education-item h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.education-item h4 {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 500;
}

.education-details ul {
    padding-left: 1.5rem;
}

.education-details li {
    position: relative;
    margin-bottom: 0.8rem;
    list-style-type: disc;
    font-size: 0.95rem;
}

/* Certificate Modal Styles */
.cert-modal-issuer {
    margin: 0.25rem 0 0 0;
    font-size: 0.85rem;
    color: var(--text-light);
    font-style: italic;
}

.cert-modal-issuer i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* Certificate Carousel Indicators */
.cert-indicators {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    z-index: 10;
}

.cert-indicators button {
    width: 40px;
    height: 4px;
    border-radius: 2px;
    border: none;
    background: var(--primary-color);
    opacity: 0.7;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.cert-indicators button.active {
    width: 45px;
    height: 5px;
    opacity: 1;
    box-shadow: 0 0 8px rgba(52, 152, 219, 0.6);
    transform: scale(1.1);
}

.cert-indicators button:hover:not(.active) {
    opacity: 0.9;
}

.cert-indicators button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

#certCarousel {
    margin-bottom: 80px;
    position: relative;
}

.dark-mode .cert-indicators {
    background: rgba(44, 62, 80, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .cert-indicators {
        padding: 8px 12px;
    }
    
    .cert-indicators button {
        width: 30px;
    }
    
    .cert-indicators button.active {
        width: 35px;
    }
}

@media (max-width: 576px) {
    .cert-indicators button {
        width: 25px;
        height: 3px;
    }
    
    .cert-indicators button.active {
        width: 28px;
        height: 4px;
    }
}

/* Dark Mode Modal Support */
.dark-mode .modal-content {
    background-color: var(--dark-bg);
    color: var(--dark-text);
    border: 1px solid var(--dark-border);
}

.dark-mode .modal-header {
    border-bottom-color: var(--dark-border);
}

.dark-mode .btn-close {
    filter: invert(1);
}