:root {
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --primary: #007bff;
    --primary-soft: rgba(0, 123, 255, 0.1);
    --primary-border: rgba(0, 123, 255, 0.2);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-muted: #f8fafc;
    --badge-bg: rgba(255, 255, 255, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.7);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.portfolio-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: 0.75rem;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    height: 100%;
}

.portfolio-card:hover {
    border-color: rgba(0, 123, 255, 0.5);
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.portfolio-card-img-wrapper {
    position: relative;
    height: 13rem;
    overflow: hidden;
    background: var(--bg-muted);
}

.portfolio-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.portfolio-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-blur: 4px;
}

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

.portfolio-view-badge {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
    border: 1px solid var(--card-border);
    border-radius: 9999px;
    padding: 0.375rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
}

.portfolio-view-badge-link {
    text-decoration: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.portfolio-category-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    border-radius: 9999px;
    background: var(--badge-bg);
    backdrop-filter: blur(4px);
    border: 1px solid var(--card-border);
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-main);
    z-index: 2;
}

.portfolio-card-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.25rem;
    gap: 0.75rem;
}

.portfolio-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
}

.portfolio-card-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.portfolio-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.25;
    margin: 0;
    font-family: var(--font-heading, inherit);
}

.portfolio-card-arrow {
    margin-top: 0.25rem;
    flex-shrink: 0;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.portfolio-card:hover .portfolio-card-arrow {
    color: var(--primary);
}

.portfolio-card-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.portfolio-card-outcome {
    border-radius: 0.375rem;
    background: var(--primary-soft);
    border: 1px solid var(--primary-border);
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary);
}

.portfolio-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: auto;
    padding-top: 0.5rem;
    border-top: 1px solid var(--card-border);
}

.portfolio-tag {
    border-radius: 0.375rem;
    background: var(--bg-muted);
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}