/* Portfolio Section Styles */
.portfolio {
    padding: 12rem 0 var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.02) 0%, rgba(var(--color-secondary-rgb), 0.05) 100%);
}

/* Portfolio page specific styling */
body.portfolio-page .portfolio {
    padding-top: 10rem;
    min-height: calc(100vh - 8rem);
}

.portfolio::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M54 22c0-12-18-4-18 4s12 10 18 2v-2zm-6 4c-6 0-12-4-18-4s-12 4-18 4S4 22 4 22s0-4 6-4 12 4 18 4 12-4 18-4 6 4 6 4-6 4-12 4zm-30 0c-6 0-12-4-18-4v2c6 8 18 0 18-4s-18-16-18-4c0 2 6 6 18 6z' fill='currentColor' opacity='0.02'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

.portfolio-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.portfolio-title {
    margin-bottom: 1.2rem;
    font-size: 4.8rem;
    line-height: 1.1;
    position: relative;
    display: inline-block;
}

.portfolio-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

.portfolio-subtitle {
    max-width: 60rem;
    margin: 0 auto;
    color: var(--color-text);
    opacity: 0.8;
    font-size: 1.8rem;
    line-height: 1.5;
    font-weight: 400;
}

/* Portfolio Filter Buttons */
.portfolio-filters {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.portfolio-filter-btn {
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.4rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--color-text);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.portfolio-filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.85);
}

.portfolio-filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(var(--color-primary-rgb), 0.3);
}

.portfolio-filter-btn.active:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--color-primary-rgb), 0.4);
}

/* Portfolio Projects Grid */
.portfolio-projects {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-project {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 
        0 20px 40px -12px rgba(var(--color-primary-rgb), 0.15),
        0 10px 20px -8px rgba(0, 0, 0, 0.1),
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(var(--color-primary-rgb), 0.08);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: 0;
    padding: 0;
    min-height: auto;
    position: relative;
}

.portfolio-project::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    z-index: 0;
}

.portfolio-project.project-right {
    flex-direction: row-reverse;
}

.portfolio-project:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 30px 60px -12px rgba(var(--color-primary-rgb), 0.25),
        0 20px 30px -10px rgba(0, 0, 0, 0.15),
        0 10px 15px -5px rgba(0, 0, 0, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.7);
    border-color: rgba(var(--color-primary-rgb), 0.15);
    background: rgba(255, 255, 255, 0.85);
}

.portfolio-project:hover .portfolio-project-image {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 
        0 25px 50px -12px rgba(var(--color-primary-rgb), 0.3),
        0 15px 25px -8px rgba(0, 0, 0, 0.25),
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.7);
}

.portfolio-project:hover .portfolio-project-content {
    background: transparent;
    box-shadow: none;
}

.portfolio-project:hover::before {
    opacity: 1;
}

.portfolio-project-image {
    width: 50%;
    height: 100%;
    min-height: 300px;
    border-radius: 0;
    overflow: hidden;
    position: relative;
    z-index: 1;
    box-shadow: none;
    border: none;
    transition: all var(--transition-normal);
    display: flex;
    align-items: stretch;
    justify-content: center;
    background: transparent;
    padding: 0;
    flex-shrink: 0;
}

.portfolio-project.project-right .portfolio-project-image {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.portfolio-project:not(.project-right) .portfolio-project-image {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.portfolio-project:hover .portfolio-project-image {
    transform: none;
    background: transparent;
}

.portfolio-project-image img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: fill;
    object-position: center;
    transition: transform var(--transition-slow);
    display: block;
    border-radius: inherit;
}

.portfolio-project:hover .portfolio-project-image img {
    transform: scale(1.03);
}

.portfolio-project-content {
    width: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    position: relative;
    z-index: 1;
    flex: 1;
    padding: 3rem 2.5rem 3rem 3rem;
    background: transparent;
    box-shadow: none;
}

.portfolio-project.project-right .portfolio-project-content {
    border-radius: 0;
    padding: 3rem 3rem 3rem 2.5rem;
}

.portfolio-project:not(.project-right) .portfolio-project-content {
    border-radius: 0;
}

.portfolio-project-title {
    font-size: 2.4rem;
    margin-bottom: 0.8rem;
    color: var(--color-text);
    line-height: 1.3;
    font-weight: 700;
}

.portfolio-project-description {
    color: var(--color-text);
    opacity: 0.85;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
}

/* Portfolio Actions (Store Links + More Details Button) */
.portfolio-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-wrap: wrap;
}

/* Store Links (Circular with shadow) */
.portfolio-store-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(var(--color-primary-rgb), 0.16);
    border-radius: 50%;
    transition: all var(--transition-normal);
    text-decoration: none;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.portfolio-store-link:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
    border-color: rgba(var(--color-primary-rgb), 0.25);
}

.portfolio-store-link i {
    font-size: 2.2rem;
    transition: all var(--transition-normal);
}

.portfolio-store-link-play {
    color: #34a853;
}

.portfolio-store-link-play:hover {
    color: #2d8f47;
}

.portfolio-store-link-apple {
    color: #000000;
}

.portfolio-store-link-apple:hover {
    color: #333333;
}

.portfolio-project-link {
    display: none;
}

.portfolio-project-link:hover {
    transform: none;
    box-shadow: none;
    color: inherit;
}

.portfolio-project-link i {
    transition: none;
}

.portfolio-project-link:hover i {
    transform: none;
}

/* Empty State */
.portfolio-empty {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text);
    opacity: 0.6;
    font-size: 1.8rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .portfolio {
        padding: 10rem 0 var(--spacing-xl) 0;
    }

    .portfolio-projects {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .portfolio-project {
        padding: 1.2rem;
    }

    .portfolio-project-image {
        width: 50%;
        min-height: 280px;
        padding: 0;
    }

    .portfolio-project-content {
        width: 50%;
        padding: 2.5rem 2rem 2.5rem 2.5rem;
    }

    .portfolio-project.project-right .portfolio-project-content {
        padding: 2.5rem 2.5rem 2.5rem 2rem;
    }

    .portfolio-project-image img {
        min-height: 280px;
        object-fit: contain;
    }
}

@media (max-width: 768px) {
    .portfolio {
        padding: 8rem 0 var(--spacing-lg) 0;
    }

    .portfolio-filters {
        margin-bottom: 1.5rem;
    }

    .portfolio-header {
        margin-bottom: 2rem;
    }

    .portfolio-title {
        font-size: 3.6rem;
    }

    .portfolio-title::after {
        width: 60px;
        height: 3px;
    }

    .portfolio-subtitle {
        font-size: 1.6rem;
    }

    .portfolio-projects {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .portfolio-filters {
        gap: 0.8rem;
        margin-bottom: 1.5rem;
    }

    .portfolio-filter-btn {
        padding: 0.7rem 1.4rem;
        font-size: 1.3rem;
    }

    .portfolio-actions {
        gap: 1rem;
    }

    .portfolio-store-link i {
        font-size: 2rem;
    }

    .portfolio-project {
        flex-direction: column;
        padding: 0;
    }

    .portfolio-project.project-right {
        flex-direction: column;
    }

    .portfolio-project-image {
        width: 100%;
        min-height: 220px;
        padding: 0;
    }

    .portfolio-project-content {
        width: 100%;
        padding: 2rem 1.5rem;
    }

    .portfolio-project-image {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    }

    .portfolio-project-image img {
        min-height: 220px;
        object-fit: contain;
        border-radius: inherit;
    }

    .portfolio-project-content {
        padding: 1.5rem 1rem 1rem 1rem;
    }

    .portfolio-project-title {
        font-size: 1.8rem;
    }

    .portfolio-project-description {
        -webkit-line-clamp: 3;
        font-size: 1.3rem;
    }
}

@media (max-width: 600px) {
    .portfolio {
        padding: 6rem 0 var(--spacing-md) 0;
    }

    .portfolio-projects {
        gap: 2rem;
    }

    .portfolio-filters {
        gap: 0.6rem;
        margin-bottom: 1.2rem;
    }

    .portfolio-header {
        margin-bottom: 1.5rem;
    }

    .portfolio-title {
        font-size: 3rem;
        margin-bottom: 0.8rem;
    }

    .portfolio-title::after {
        width: 50px;
        height: 3px;
    }

    .portfolio-subtitle {
        font-size: 1.4rem;
    }

    .portfolio-filter-btn {
        padding: 0.6rem 1.2rem;
        font-size: 1.2rem;
    }

    .portfolio-project {
        flex-direction: column;
        padding: 0;
    }

    .portfolio-project.project-right {
        flex-direction: column;
    }

    .portfolio-project-image {
        width: 100%;
        min-height: 200px;
        padding: 0;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    }

    .portfolio-project-content {
        width: 100%;
        padding: 1.5rem 1.2rem;
    }

    .portfolio-project-image img {
        min-height: 200px;
        object-fit: contain;
        border-radius: inherit;
    }

    .portfolio-project-image img {
        max-height: calc(100% - 1.6rem);
    }


    .portfolio-project-title {
        font-size: 1.6rem;
    }

    .portfolio-project-description {
        font-size: 1.2rem;
        -webkit-line-clamp: 2;
    }

    .portfolio-actions {
        gap: 0.8rem;
    }

    .portfolio-store-link i {
        font-size: 1.8rem;
    }
}