:root {
    /* Re-declare or ensure these are globally available */
    /* For now, assuming these are defined globally in your style.css or navbar-style.css if they are being used
       If not, you must declare them here for portfolio.css to use them.
       e.g. --card-bg: #ffffff; */
    
    /* Portfolio Specific (can override global or be new) */
    --portfolio-card-bg: #ffffff;
    --portfolio-card-shadow: rgba(0, 0, 0, 0.08);
    --portfolio-card-hover-shadow: rgba(0, 0, 0, 0.12);
    --portfolio-text-primary: var(--text-primary, #1a2b3c); /* Fallback if --text-primary not global */
    --portfolio-text-secondary: var(--text-secondary, #5a6f80); /* Fallback */

    --portfolio-accent-red: #ff5f57;
    --portfolio-accent-yellow: #febc2e;
    --portfolio-accent-green: #28c840;

    --portfolio-tag-popular-bg: #ffebee;
    --portfolio-tag-popular-text: #e53935;
    --portfolio-tag-new-bg: #e0f2f1;
    --portfolio-tag-new-text: #00897b;
    --portfolio-button-bg: var(--primary-blue, #007aff); /* Using primary-blue from navbar if available */
    --portfolio-button-text: #ffffff;

    /* Spacing & Sizing Variables specific to portfolio cards */
    --portfolio-card-main-border-radius: 16px;
    --portfolio-header-internal-padding-y: 10px;
    --portfolio-header-internal-padding-x: 15px;
    --portfolio-screenshot-inset-padding: 15px;
    --portfolio-screenshot-image-border-radius: 6px;
    --portfolio-content-top-gap: var(--portfolio-header-internal-padding-y);
    --portfolio-content-side-padding: var(--portfolio-screenshot-inset-padding);
    --portfolio-content-bottom-padding: 25px;
}


.portfolio-showcase {
    padding: 80px 0; /* Matches .about-us padding for consistency */
    background-color: #f4f6f8; /* Light background for the section */
    color: var(--portfolio-text-secondary);
}

/* Use existing .container if its styling is globally appropriate (max-width, margin: auto, padding) */
/* If .container needs specific adjustments for portfolio, define .portfolio-showcase .container here */
.portfolio-showcase .container {
    /* Inherits from global .container or uses styles below */
    max-width: 1200px; /* Ensure this aligns with your global .container or style as needed */
    margin: 0 auto;
    padding: 0 20px; /* Or whatever your global .container padding is */
}


.portfolio-showcase .section-title { /* Targeting within portfolio for specificity */
    font-family: 'Times New Roman', Times, serif; /* As per previous section titles */
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--portfolio-text-primary);
    text-align: center;
    margin-bottom: 15px;
}

.portfolio-showcase .section-subtitle {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; /* Consistent with other subtitles */
    font-size: 1.1rem;
    color: var(--portfolio-text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px auto;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.portfolio-card {
    background-color: var(--portfolio-card-bg);
    border-radius: var(--portfolio-card-main-border-radius);
    box-shadow: 0 4px 12px var(--portfolio-card-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px var(--portfolio-card-hover-shadow);
}

.portfolio-card .card-header { /* Specific to portfolio card */
    padding: var(--portfolio-header-internal-padding-y) var(--portfolio-header-internal-padding-x);
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--portfolio-card-bg); /* Ensure header area is also white like the card */
}

.portfolio-card .header-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.portfolio-card .header-dot.red { background-color: var(--portfolio-accent-red); }
.portfolio-card .header-dot.yellow { background-color: var(--portfolio-accent-yellow); }
.portfolio-card .header-dot.green { background-color: var(--portfolio-accent-green); }

.portfolio-card .card-screenshot {
    width: 100%;
    height: 220px; /* Adjusted height for better visual balance with text */
    background-color: var(--portfolio-card-bg);
    padding: var(--portfolio-screenshot-inset-padding);
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-card .card-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--portfolio-screenshot-image-border-radius);
}

.portfolio-card .card-content {
    padding: var(--portfolio-content-top-gap) 
             var(--portfolio-content-side-padding) 
             var(--portfolio-content-bottom-padding) 
             var(--portfolio-content-side-padding);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--portfolio-card-bg);
}

.portfolio-card .card-title {
    font-family: 'Inter', sans-serif; /* Or your preferred title font */
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--portfolio-text-primary);
    margin-top: 0;
    margin-bottom: 8px;
}

.portfolio-card .card-description {
    font-family: 'Inter', sans-serif; /* Or your preferred body font */
    font-size: 0.95rem;
    color: var(--portfolio-text-secondary);
    margin-top: 0;
    margin-bottom: 20px;
    flex-grow: 1;
}

.portfolio-card .card-tags-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    gap: 10px;
}

.portfolio-card .tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.portfolio-card .tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.portfolio-card .tag.popular {
    background-color: var(--portfolio-tag-popular-bg);
    color: var(--portfolio-tag-popular-text);
}
.portfolio-card .tag.new {
    background-color: var(--portfolio-tag-new-bg);
    color: var(--portfolio-tag-new-text);
}

.portfolio-card .btn-visit-site {
    background-color: var(--portfolio-button-bg);
    color: var(--portfolio-button-text);
    padding: 8px 18px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    box-sizing: border-box;
}
.portfolio-card .btn-visit-site:hover {
    background-color: var(--primary-blue-hover, #0056b3); /* Fallback if --primary-blue-hover not global */
    transform: translateY(-2px);
}
.portfolio-card .btn-visit-site .arrow {
    margin-left: 6px;
    transition: transform 0.2s ease;
}
.portfolio-card .btn-visit-site:hover .arrow {
    transform: translateX(3px);
}

/* Animation styles using classes from main CSS if already defined and general */
/* Using .animate-on-scroll if it's a global animation class in style.css */
/* No new animation CSS needed here if the global ones work. */


/* Responsive Adjustments specific to portfolio section */
@media (max-width: 768px) {
    .portfolio-showcase .section-title {
        font-size: 2.2rem;
    }
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .portfolio-card .card-tags-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .portfolio-card .tags {
        justify-content: flex-start; 
        /* or center if preferred: justify-content: center; */
    }

    .portfolio-card .btn-visit-site {
        width: 100%;
        display: flex;
        justify-content: center;
        padding: 10px 15px;
    }

    .portfolio-card {
        --portfolio-card-main-border-radius: 12px;
        --portfolio-header-internal-padding-y: 8px;
        --portfolio-screenshot-inset-padding: 10px;
        --portfolio-screenshot-image-border-radius: 4px;
        --portfolio-content-top-gap: var(--portfolio-header-internal-padding-y); /* Match mobile header padding */
        --portfolio-content-bottom-padding: 20px;
    }
    /* Applying overridden variables: */
    .portfolio-card { border-radius: var(--portfolio-card-main-border-radius); }
    .portfolio-card .card-header { padding-top: var(--portfolio-header-internal-padding-y); padding-bottom: var(--portfolio-header-internal-padding-y); }
    .portfolio-card .card-screenshot { padding: var(--portfolio-screenshot-inset-padding); height: 200px; }
    .portfolio-card .card-screenshot img { border-radius: var(--portfolio-screenshot-image-border-radius); }
    .portfolio-card .card-content {
        padding-top: var(--portfolio-content-top-gap);
        padding-left: var(--portfolio-screenshot-inset-padding); /* Use adapted inset padding */
        padding-right: var(--portfolio-screenshot-inset-padding);
        padding-bottom: var(--portfolio-content-bottom-padding);
    }
}
@media (max-width: 480px) {
     .portfolio-card .card-screenshot {
        height: 180px; /* Further reduce for very small screens */
    }
    .portfolio-card .card-title {
        font-size: 1.25rem;
    }
    .portfolio-card .card-description {
        font-size: 0.9rem;
    }
    .portfolio-card .tag {
        font-size: 0.7rem;
        padding: 4px 8px;
    }
    .portfolio-card .btn-visit-site {
        font-size: 0.85rem;
        padding: 9px 15px;
    }
}