/**
 * Bright Infosystem Website
 *
 * @file portfolio_listing_section.css
 * @description Styles for the portfolio listing page.
 * @version 1.1 (Enhanced Design & Mobile Fix)
 */

.portfolio-listing-section {
    padding: 100px 20px;
    position: relative;
    z-index: 1;
}
/* Subtle background glow */
.portfolio-listing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 600px;
    z-index: -1;
}

.portfolio-listing-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Hero Header --- */
.portfolio-hero-header {
    text-align: center;
    margin-bottom: 60px;
}
.portfolio-hero-header h1 {
    font-size: 44px;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.portfolio-hero-header p {
    font-size: 18px;
    color: var(--text-color);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Top 3 Projects --- */
.top-projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 250px 250px;
    gap: 20px;
    margin-bottom: 80px;
}
.top-project-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    color: var(--primary-color);
    text-decoration: none;
    display: block;
}
.top-projects-grid .top-project-card:first-child {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
}
.top-project-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.4s ease;
}
.top-project-card:hover .top-project-image {
    transform: scale(1.05);
}
.top-project-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 25px;
    background: linear-gradient(to top, rgba(6, 6, 6, 0.9) 20%, transparent);
}
.top-project-content h3 {
    font-size: 22px;
    line-height: 1.4;
    margin-bottom: 10px;
}
.top-project-content p {
    font-size: 15px;
    color: var(--text-color);
    opacity: 0.9;
}


/* --- Main Grid Header --- */
.portfolio-grid-header {
    text-align: center;
    margin-bottom: 50px;
}
.portfolio-grid-header h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.portfolio-grid-header p {
    font-size: 16px;
    color: var(--text-color);
    max-width: 500px;
    margin: 0 auto;
}

/* --- Main Project Grid --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}
.project-card-link {
    display: block;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    height: 350px;
    text-decoration: none;
}
.project-card-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}
.project-card-link:hover .project-card-image {
    transform: scale(1.1);
}
.project-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 25px;
    background: linear-gradient(to top, rgba(6, 6, 6, 0.9) 10%, transparent);
    transform: translateY(calc(100% - 70px)); /* Hide by default, show only title */
    transition: transform 0.4s ease;
}
.project-card-link:hover .project-card-content {
    transform: translateY(0);
    background: linear-gradient(to top, rgba(6, 6, 6, 1) 30%, transparent); /* Darker on hover */
}
.project-card-content h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.view-project-btn {
    color: var(--accent-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* --- Pagination --- */
.pagination { /* Same styles as blog page */ }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .top-projects-grid {
        grid-template-columns: 1fr 1fr;
    }
    .top-projects-grid .top-project-card:first-child {
        grid-column: span 2;
        height: 350px;
    }
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .top-projects-grid {
        display: flex; /* Switched to flexbox for simpler mobile layout */
        flex-direction: column;
        gap: 20px;
    }
     .top-projects-grid .top-project-card {
        height: 300px;
    }
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}