/* --- Desktop Default (Max-width fixes) --- */

.main-header {
    height: 13.75rem;
    padding: 0; 
}

.main-header .container {
    height: 100%; 
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.5rem 0 1.25rem;
}

.main-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

.main-nav ul li {
    margin-left: 3.125rem;
}

.main-nav ul li a {
    font-size: 2rem;
    font-family: Arial, Helvetica, sans-serif; text-decoration: none; 
    color: #909EFF; 
    transition: color 0.3s ease; 
}

.main-nav ul li a:hover {
    color: #FFB0DD;
}

.main-nav ul li:nth-child(4) {
    margin-left: 1.875rem;
}

.main-nav ul li:nth-child(5) {
    margin-left: 1.25rem;
    padding-right: 0; 
}

.main-nav ul li.social-icon img {
    height: 1.875rem;
    width: 1.875rem;
    vertical-align: middle; 
}

.main-nav ul li.social-icon a {
    font-size: 0; 
}

.main-nav ul li.social-icon a:hover img {
    opacity: 0.8; 
}

.main-header img {
    height: 7.0625rem;
    width: 6.625rem;
    display: block;
}

.container {
    max-width: 1920px; 
    margin-left: auto;
    margin-right: auto;
}

/* --- Portfolio Grid Layout --- */
.portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    
    display: grid; 
    max-width: 1600px; 
    margin: 0 auto; 
    
    row-gap: 4rem; 
    column-gap: 1.25rem; 
    
    justify-content: center;
    padding: 0 2.5rem; 
}

.portfolio-item {
    width: auto;
    height: auto; 
    display: block; 
    position: relative; 
    overflow: hidden; 
    text-decoration: none;
    cursor: pointer;
    border-radius: 0.75rem;
    aspect-ratio: 1 / 1; 
    max-width: 100%; 
}

.portfolio-item img {
    width: 100%; 
    height: 100%;
    object-fit: cover; 
    display: block;
    transition: transform 0.3s ease; 
}

.item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color:#ffffffE6; 
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0; 
    transition: opacity 0.3s ease;
    padding: 1.25rem;
    text-align: center;
    backdrop-filter: blur(4px);
}

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

.item-title {
    font-size: 4rem;
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    margin-bottom: 0.625rem;
    line-height: 1.1;
    text-transform: uppercase;
    text-align: center;
    color: #FFB0DD;
}

.item-description {
    font-size: 2.5rem;
    font-family: Arial, Helvetica, sans-serif; font-weight: 300;
    max-width: 80%;
    text-align: center;
    color: #FFB0DD;
}

footer {
    background-color: transparent;
    padding: 3.75rem 0;
    text-align: center;
}

footer p {
    margin: 0;
    font-size: 0.9rem;
    color: #000;
}

.mobile-social-footer {
    display: none; 
}

@media screen and (max-width: 900px) {

    /* --- Grid Adjustments for Tablet/Mobile --- */
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        max-width: 100%; 
        padding: 0 1rem;
        row-gap: 2.5rem; 
    }
    
    /* --- Header/Nav Stacking --- */
    .main-header {
        height: auto;
    }

    .main-header .container {
        flex-direction: column;
        padding: 1.5rem 1.25rem;
    }

    .main-header img {
        height: 6rem;
        width: 5.625rem;
        margin-bottom: 1rem;
    }

    /* HIDE THE SOCIAL ICONS FROM THE HEADER ON MOBILE */
    .main-nav ul li.social-icon {
        display: none;
    }
    
    .main-nav ul {
        flex-direction: row; 
        flex-wrap: nowrap;
        justify-content: center;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
        width: 100%;
        text-align: center;
        margin-top: 1rem;
    }

    .main-nav ul li {
        margin: 0 1rem 0.5rem 1rem; 
    }

    .main-nav ul li a {
        font-size: 1.5rem;
    }

    .main-nav ul li:nth-child(4),
    .main-nav ul li:nth-child(5) {
        margin-left: 1rem;
        margin-right: 1rem;
    }

    /* DISPLAY AND STYLE THE MOBILE-ONLY FOOTER SOCIALS */
    .mobile-social-footer {
        display: flex; 
        justify-content: center;
        padding: 1.5rem 0;
        width: 100%;
    }

    .mobile-social-footer ul {
        display: flex;
        list-style: none;
        padding: 0;
        margin: 0;
        
        max-width: 80%;
        width: 100%;
        justify-content: center;
    }

    .mobile-social-footer ul li {
        margin: 0 1rem; 
    }
    
    .mobile-social-footer ul li.social-icon img {
        height: 1.5rem; 
        width: 1.5rem; 
    }

    /* --- Portfolio Overlay Text Reduction --- */
    .item-title {
        font-size: 2rem; 
        line-height: 1.2;
    }

    .item-description {
        font-size: 1.2rem;
        max-width: 90%;
    }
}