/* Portfolio Grid Layout */
.portfolio-container {
    width: calc(100% - var(--sidebar-width));
    margin-left: var(--sidebar-width);
    padding: 0;
    max-width: none;
    height: 100vh;
    overflow: hidden; /* Prevent scrollbars during animation - will be overridden on mobile */
}

/* Main Grid Layout: 40% left, 60% right */
.portfolio-grid {
    display: grid;
    grid-template-columns: 40% 60%;
    grid-template-rows: 1fr;
    gap: 0;
    width: 100%;
    height: 100%;
}

/* Left Grid: 3x5 with merged cells */
.left-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(5, 1fr);
    gap: 0;
    width: 100%;
    height: 100%;
}

/* Right Grid: 3x3 with merged cells */
.right-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 0;
    width: 100%;
    height: 100%;
}

/* Portfolio Items */
.portfolio-item {
    position: relative;
    overflow: hidden;
    background-color: #f0f0f0; /* fallback */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    opacity: 0;
}

.portfolio-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Link fills entire item for clickable area */
.portfolio-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: relative;
    text-decoration: none;
    color: inherit;
    z-index: 2;
    transition: color 0.3s ease;
}

/* Overlay for darkening background on hover - now visible by default on hover */
.portfolio-overlay {
    position: absolute;
    top: 0; 
    left: 0;
    width: 100%; 
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

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

/* Title styling and animation */
.portfolio-title {
    position: relative;
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 400;
    text-align: center;
    padding: 1rem 2rem;
    color: #fff;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 3;
}

.portfolio-link:hover .portfolio-title {
    opacity: 1;
    transform: translateY(0);
}

/* Animation delays - adjust based on your layout */
.portfolio-item:nth-child(1) { animation: fadeInItem 0.5s ease-out 0.3s forwards; }
.portfolio-item:nth-child(2) { animation: fadeInItem 0.5s ease-out 0.45s forwards; }
.portfolio-item:nth-child(3) { animation: fadeInItem 0.5s ease-out 0.6s forwards; }
.right-grid .portfolio-item:nth-child(1) { animation: fadeInItem 0.5s ease-out 0.75s forwards; }
.right-grid .portfolio-item:nth-child(2) { animation: fadeInItem 0.5s ease-out 0.9s forwards; }
.right-grid .portfolio-item:nth-child(3) { animation: fadeInItem 0.5s ease-out 1.05s forwards; }
.right-grid .portfolio-item:nth-child(4) { animation: fadeInItem 0.5s ease-out 1.2s forwards; }
.right-grid .portfolio-item:nth-child(5) { animation: fadeInItem 0.5s ease-out 1.35s forwards; }

/* Merged cell styles */
.merged-l1-l12 {
    grid-column: 1 / 4;
    grid-row: 1 / 5;
}

.merged-l14-l15 {
    grid-column: 2 / 4;
    grid-row: 5 / 6;
}

.merged-r1-r2 {
    grid-column: 1 / 3;
    grid-row: 1 / 2;
}

.merged-r5-r6-r8-r9 {
    grid-column: 2 / 4;
    grid-row: 2 / 4;
}

/* Portfolio Grid Responsive Design */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
    .portfolio-container {
        width: calc(100% - var(--sidebar-width));
        margin-left: var(--sidebar-width);
        overflow-y: auto;
        height: auto;
        min-height: 100vh;
    }

    .portfolio-grid {
        height: auto;
        min-height: 100vh;
    }

    .portfolio-title {
        font-size: 1.4rem;
        padding: 0.8rem 1.5rem;
    }
}

/* Tablets - Enable scrolling and adjust layout */
@media (max-width: 768px) {
    .portfolio-container {
        width: calc(100% - var(--sidebar-width));
        margin-left: var(--sidebar-width);
        height: auto;
        min-height: 100vh;
        overflow-y: auto;
        padding: 0; /* Remove padding to eliminate gaps */
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        gap: 0; /* Remove gaps between sections */
        height: auto;
        min-height: calc(100vh - 0px); /* Account for no padding */
    }

    .left-grid {
        grid-template-rows: repeat(3, 200px);
        height: auto;
        gap: 0; /* Remove gaps between items */
    }

    .right-grid {
        grid-template-rows: repeat(2, 200px);
        height: auto;
        gap: 0; /* Remove gaps between items */
    }

    .merged-l1-l12 {
        grid-row: 1 / 3;
    }

    .merged-l14-l15 {
        grid-row: 3 / 4;
    }

    .merged-r1-r2 {
        grid-row: 1 / 2;
    }

    .merged-r5-r6-r8-r9 {
        grid-row: 2 / 3;
    }

    .portfolio-title {
        font-size: 1.3rem;
        padding: 0.7rem 1.2rem;
    }

    .portfolio-item {
        min-height: 200px;
    }
}

/* Mobile phones - Stack everything vertically */
@media (max-width: 480px) {
    .portfolio-container {
        width: calc(100% - var(--sidebar-width));
        margin-left: var(--sidebar-width);
        height: auto;
        overflow-y: auto;
        padding: 0; /* Remove all padding */
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 0; /* Remove gaps */
        height: auto;
    }

    .left-grid,
    .right-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 0; /* Remove gaps */
        height: auto;
    }

    .portfolio-item {
        height: 180px;
        min-height: 180px;
    }

    /* Reset all merged cell styles for mobile */
    .merged-l1-l12,
    .merged-l14-l15,
    .merged-r1-r2,
    .merged-r5-r6-r8-r9 {
        grid-column: 1 / 2;
        grid-row: auto;
    }

    .portfolio-title {
        font-size: 1.2rem;
        padding: 0.6rem 1rem;
    }

    /* Hover effects work differently on mobile, so show titles by default */
    .portfolio-title {
        opacity: 0.9;
        transform: translateY(0);
    }

    .portfolio-overlay {
        opacity: 0.3;
    }
}

/* Very small screens */
@media (max-width: 360px) {
    .portfolio-container {
        width: calc(100% - var(--sidebar-width));
        margin-left: var(--sidebar-width);
        padding: 0; /* Remove all padding */
    }

    .portfolio-grid {
        gap: 0; /* Remove gaps */
    }

    .left-grid,
    .right-grid {
        gap: 0; /* Remove gaps */
    }

    .portfolio-item {
        height: 160px;
        min-height: 160px;
    }

    .portfolio-title {
        font-size: 1.1rem;
        padding: 0.5rem 0.8rem;
    }
}