/* 
* Portfolio Page Specific Styles
* Features project grid, filters, modals, and process section 
*/

/* Page Banner */
.page-banner {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    padding: 120px 0 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Decorative Elements for Portfolio Page */
.page-banner::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 5%;
    width: 150px;
    height: 150px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    background-color: rgba(255, 255, 255, 0.1);
    animation: float 8s ease-in-out infinite alternate;
    z-index: 1;
}

.page-banner::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: 10%;
    width: 180px;
    height: 180px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    background-color: rgba(255, 255, 255, 0.1);
    animation: float 10s ease-in-out infinite alternate-reverse;
    z-index: 1;
}

.portfolio-grid-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-background-alt);
    position: relative;
    overflow: hidden;
}

.portfolio-grid-section::before {
    content: '';
    position: absolute;
    top: 15%;
    right: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    animation: pulse 15s ease-in-out infinite;
}

.portfolio-grid-section::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: -80px;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    animation: pulse 12s ease-in-out infinite reverse;
}

.process-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-background);
    position: relative;
    overflow: hidden;
}

.process-section::before {
    content: '';
    position: absolute;
    top: 50px;
    right: 10%;
    width: 100px;
    height: 100px;
    background-color: rgba(59, 130, 246, 0.05);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    animation: rotate 20s linear infinite;
}

.process-section::after {
    content: '';
    position: absolute;
    bottom: 80px;
    left: 7%;
    width: 120px;
    height: 120px;
    border-radius: 30% 70% 50% 50% / 50%;
    background-color: rgba(59, 130, 246, 0.05);
    animation: morphing 15s ease-in-out infinite alternate;
}

.testimonials {
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 5%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(59, 130, 246, 0.05);
    animation: pulse 8s ease-in-out infinite;
}

.testimonials::after {
    content: '';
    position: absolute;
    bottom: 70px;
    right: 8%;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background-color: rgba(59, 130, 246, 0.05);
    animation: pulse 10s ease-in-out infinite 2s;
}

/* Decorative Animation Keyframes */
@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
    100% {
        transform: translateY(0) rotate(0deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes morphing {
    0% {
        border-radius: 30% 70% 50% 50% / 50%;
    }
    25% {
        border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
    }
    50% {
        border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
    }
    75% {
        border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
    }
    100% {
        border-radius: 30% 70% 50% 50% / 50%;
    }
}

.page-banner h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: white;
    position: relative;
    z-index: 2;
}

.page-banner p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* Ensure all content remains above decorative elements */
.container {
    position: relative;
    z-index: 2;
}

/* Portfolio Filter Section */
.portfolio-filter-section {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

.filter-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.filter-container p {
    font-weight: 600;
    margin-bottom: 0;
}

.portfolio-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    background-color: transparent;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
}

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

.filter-btn.active {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-item {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background-color: white;
    box-shadow: var(--shadow-md);
    transform: translateY(0);
    transition: all var(--transition-elastic);
    opacity: 0;
    visibility: hidden;
}

.portfolio-item.visible {
    opacity: 1;
    visibility: visible;
    animation: fadeInUp 0.6s ease-out forwards;
    animation-delay: calc(var(--item-index, 0) * 0.1s);
}

.portfolio-item:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-hover);
}

.portfolio-image {
    height: 220px;
    position: relative;
    overflow: hidden;
    background-color: var(--color-primary-lightest);
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-elastic);
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(59, 130, 246, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.portfolio-item:hover .image-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    padding: var(--spacing-md);
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

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

.overlay-content h3 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-light {
    background-color: white;
    color: var(--color-primary);
    border: none;
    box-shadow: var(--shadow-sm);
}

.btn-light:hover {
    background-color: var(--color-primary-lightest);
    transform: translateY(-3px);
}

.portfolio-info {
    padding: var(--spacing-lg);
}

.portfolio-info h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-normal);
}

.portfolio-item:hover .portfolio-info h3 {
    color: var(--color-primary);
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.portfolio-tags span {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-md);
    background-color: var(--color-primary-lightest);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.portfolio-item:hover .portfolio-tags span {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* Project Modal */
.project-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: var(--z-index-modal);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    overflow-y: auto;
}

.project-modal.active {
    display: block;
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: 90%;
    max-width: 1000px;
    margin: 80px auto;
    background-color: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: translateY(30px);
    transition: transform 0.5s ease;
}

.project-modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: var(--spacing-lg);
    background-color: var(--color-primary-lightest);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin-bottom: 0;
    color: var(--color-primary);
}

.close-modal {
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.close-modal:hover {
    color: var(--color-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.project-showcase {
    margin-bottom: var(--spacing-lg);
}

.showcase-img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.project-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.details-section {
    margin-bottom: var(--spacing-md);
}

.details-section h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    font-size: 1.4rem;
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

.tech-list li {
    position: relative;
    list-style-type: disc;
}

/* Process Section */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.process-step {
    position: relative;
    padding-left: 50px;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary-light);
    opacity: 0.5;
    line-height: 1;
    transition: all var(--transition-normal);
}

.process-step:hover .step-number {
    color: var(--color-primary);
    opacity: 0.8;
    transform: translateY(-5px);
}

.step-content h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1.4rem;
    transition: color var(--transition-normal);
}

.process-step:hover .step-content h3 {
    color: var(--color-primary);
}

.step-content p {
    color: var(--color-text-light);
}

/* Animation for portfolio items */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Styles */
@media (max-width: 992px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .modal-content {
        width: 90%;
        margin: 15% auto;
    }
    
    .project-details {
        grid-template-columns: 1fr;
    }
    
    .showcase-img {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .page-banner {
        padding: 100px 0 50px;
    }
    
    .page-banner h1 {
        font-size: 2.5rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filter {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .page-banner h1 {
        font-size: 2rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
    }
    
    .modal-header,
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .showcase-img {
        height: 200px;
    }
}