/* Portfolio Page Styles */
/* TEST STYLE - REMOVE LATER */
body { background-color: #f0f8ff !important; }

:root {
    --portfolio-primary: #0D47A1;
    --portfolio-secondary: #1565C0;
    --portfolio-accent: #FFA000;
    --portfolio-light: #F8FAFC;
    --portfolio-dark: #1E293B;
    --portfolio-gray: #94A3B8;
    --portfolio-border: #E2E8F0;
    --portfolio-card-bg: #FFFFFF;
    --portfolio-hover-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Portfolio Hero Section */
.portfolio-hero {
    background: linear-gradient(135deg, var(--portfolio-primary), var(--portfolio-secondary));
    color: white;
    padding: 8rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.portfolio-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.portfolio-hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* Portfolio Filters */
.portfolio-filters {
    padding: 2rem 0;
    background: var(--portfolio-light);
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.filter-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    border: 2px solid var(--portfolio-border);
    background: white;
    color: var(--portfolio-dark);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

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

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

/* Portfolio Grid */
.portfolio-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.75rem;
}

@media (min-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        padding: 1.5rem 1rem;
        gap: 1.25rem;
    }
}

.portfolio-item {
    background: var(--portfolio-card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.portfolio-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 0, 0, 0.1);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    padding-top: 66.67%; /* 3:2 aspect ratio */
}

.image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(0, 0, 0, 0.2);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.portfolio-item:hover .image-placeholder {
    opacity: 0.9;
    transform: scale(1.02);
}

.portfolio-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.portfolio-info h3 {
    font-size: 1.25rem;
    margin: 0;
    color: var(--portfolio-dark);
    line-height: 1.3;
    font-weight: 600;
}

.portfolio-info p {
    color: var(--portfolio-gray);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.portfolio-info h3 {
    font-size: 1.4rem;
    margin: 0 0 0.75rem;
    color: var(--portfolio-dark);
    line-height: 1.3;
}

.portfolio-info p {
    color: var(--portfolio-gray);
    margin: 0 0 1.5rem;
    line-height: 1.6;
    flex-grow: 1;
}

.view-project {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--portfolio-primary);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    width: fit-content;
    border-bottom: 2px solid transparent;
}

.view-project:hover {
    color: var(--portfolio-secondary);
    border-bottom-color: currentColor;
    transform: none;
}

.view-project::after {
    content: '→';
    transition: transform 0.3s ease;
}

.view-project:hover::after {
    transform: translateX(3px);
}

/* Portfolio Modal */
.portfolio-details {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(5px);
}

.portfolio-details.active {
    display: flex;
    opacity: 1;
}

.portfolio-modal {
    background: white;
    border-radius: 16px;
    max-width: 1000px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalFadeIn 0.3s ease-out;
}

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

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(0, 0, 0, 0.1);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.close-modal:hover {
    background: rgba(0, 0, 0, 0.2);
    transform: rotate(90deg);
}

.close-modal::before,
.close-modal::after {
    content: '';
    position: absolute;
    width: 1.5rem;
    height: 2px;
    background: var(--portfolio-dark);
}

.close-modal::before {
    transform: rotate(45deg);
}

.close-modal::after {
    transform: rotate(-45deg);
}

.modal-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 500px;
}

.modal-image {
    background-size: cover;
    background-position: center;
    min-height: 400px;
}

.modal-info {
    padding: 3rem;
    display: flex;
    flex-direction: column;
}

.modal-title {
    font-size: 2rem;
    margin: 0 0 1.5rem;
    color: var(--portfolio-dark);
    line-height: 1.2;
}

.modal-description {
    color: var(--portfolio-gray);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.project-details {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--portfolio-border);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .modal-content {
        grid-template-columns: 1fr;
    }
    
    .modal-image {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .portfolio-hero h1 {
        font-size: 2.5rem;
    }
    
    .portfolio-hero p {
        font-size: 1.1rem;
    }
    
    .filter-container {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 1rem;
        -webkit-overflow-scrolling: touch;
    }
    
    .filter-btn {
        padding: 0.5rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .portfolio-grid {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .portfolio-info {
        padding: 1.5rem;
    }
    
    .portfolio-info h3 {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-hero {
        padding: 6rem 1.5rem 4rem;
    }
    
    .portfolio-hero h1 {
        font-size: 2rem;
    }
    
    .modal-info {
        padding: 2rem 1.5rem;
    }
    
    .modal-title {
        font-size: 1.75rem;
    }
}

/* Animation for portfolio items */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portfolio-item {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

/* Delay animations for grid items */
.portfolio-item:nth-child(1) { animation-delay: 0.1s; }
.portfolio-item:nth-child(2) { animation-delay: 0.2s; }
.portfolio-item:nth-child(3) { animation-delay: 0.3s; }
.portfolio-item:nth-child(4) { animation-delay: 0.4s; }
.portfolio-item:nth-child(5) { animation-delay: 0.5s; }
.portfolio-item:nth-child(6) { animation-delay: 0.6s; }