/* Project Filter Styles */
.filter-container {
    text-align: center;
    margin-bottom: 40px;
}

.filter-btn {
    background-color: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 8px 20px;
    margin: 0 5px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-blue);
    color: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

/* Specific 3-column grid for Building Infrastructure */
.projects-grid-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 992px) {
    .projects-grid-3col {
        grid-template-columns: repeat(2, 1fr);
        /* 2 on medium screens */
    }
}

@media (max-width: 768px) {
    .projects-grid-3col {
        grid-template-columns: 1fr;
        /* Stack on mobile */
    }
}

.project-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border: 1px solid #eee;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-image {
    height: 200px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-blue);
    font-size: 24px;
    opacity: 0;
    transition: all 0.3s ease;
}

.project-card:hover .play-overlay {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.project-status-tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
}

.status-ongoing {
    background-color: #ffeeba;
    color: #856404;
}

.status-upcoming {
    background-color: #d1ecf1;
    color: #0c5460;
}

.status-completed {
    background-color: #d4edda;
    color: #155724;
}

/* Infrastructure Categories */
.infrastructure-categories {
    max-width: 1200px;
    margin: 0 auto;
}

.category-block {
    margin-bottom: 60px;
}

.category-title {
    font-size: 24px;
    color: var(--primary-blue);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 15px;
}

.category-title i {
    color: var(--primary-green);
}

/* Modal Video Styles */
.video-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.9);
}

.video-modal-content {
    position: relative;
    margin: 5% auto;
    padding: 0;
    width: 80%;
    max-width: 900px;
    background: #000;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    aspect-ratio: 16 / 9;
}

.close-video-modal {
    position: absolute;
    top: -40px;
    right: 0;
    color: #fff;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    z-index: 2001;
}

.close-video-modal:hover,
.close-video-modal:focus {
    color: var(--primary-green);
    text-decoration: none;
    cursor: pointer;
}

.video-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-container iframe,
.video-container video {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

/* Ongoing Projects Specific Styles */
.projects-grid-ongoing {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .projects-grid-ongoing {
        grid-template-columns: 1fr;
    }
}

.project-card-ongoing {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
    /* Makes the card fully clickable via ::after on the link */
    position: relative;
    cursor: pointer;
}

.project-card-ongoing:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(47, 65, 149, 0.15);
}

.project-thumb {
    width: 100%;
    /* Remove fixed height, use aspect ratio to maintain consistency */
    aspect-ratio: 16 / 9;
    overflow: hidden;
    position: relative;
    background-color: #f8f9fa;
    /* Light background for letterboxing if any */
}

.project-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* Changed to contain to ensure full image is shown ("pura dikhe") */
    object-position: center;
    transition: transform 0.6s ease;
}

.project-card-ongoing:hover .project-thumb img {
    transform: scale(1.1);
}

.project-details {
    padding: 15px 20px 25px;
    position: relative;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.icon-box-small {
    width: 50px;
    height: 50px;
    background-color: var(--light-grey);
    border-radius: 50%;
    display: none !important;
    justify-content: center;
    align-items: center;
    color: var(--primary-blue);
    font-size: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.project-card-ongoing:hover .icon-box-small {
    background-color: var(--primary-green);
    color: var(--white);
}

.project-details h3 {
    font-size: 22px;
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-weight: 700;
}

.location-text {
    font-size: 14px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 0;
}

.link_btn_small {
    margin-top: auto;
    /* Pushes button to bottom */
    padding-top: 20px;
    display: flex;
    justify-content: flex-end;
}

.btn-icon-small {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-grey);
    color: var(--text-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    /* Stretch to cover the entire card via ::after overlay */
    position: relative;
    z-index: 1;
}

/* Invisible overlay that covers the entire .project-card-ongoing */
.btn-icon-small::after {
    content: '';
    position: absolute;
    /* Expand far beyond button bounds to cover whole card */
    top: -9999px;
    left: -9999px;
    right: -9999px;
    bottom: -9999px;
    z-index: 0;
}

.project-card-ongoing:hover .btn-icon-small {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: rotate(-45deg);
}