/**
 * JD Smart Building - Project Gallery Styles
 * Modern portfolio with project detail modals
 */

/* ----------------------------------------
   Project Gallery Grid
   ---------------------------------------- */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.project-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    background: var(--color-white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.project-card__image {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.project-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, filter 0.4s ease-out;
}

.project-card__image img.loading-blur {
    filter: blur(20px);
}

.project-card__image img.loading-blur--light {
    filter: blur(6px);
}

.project-card__image img.loaded {
    filter: blur(0);
}

.project-card:hover .project-card__image img {
    transform: scale(1.05);
}

.project-card__badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background: var(--color-green);
    color: var(--color-charcoal);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 12px;
    border-radius: 20px;
}

.project-card__content {
    padding: var(--space-lg);
}

.project-card__category {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-green);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-xs);
}

.project-card__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
}

.project-card__location {
    font-size: 0.9rem;
    color: var(--color-grey-500);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.project-card__location svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.project-card__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    color: var(--color-charcoal);
    font-weight: 600;
    font-size: 0.9rem;
}

.project-card__cta svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.project-card:hover .project-card__cta svg {
    transform: translateX(4px);
}

/* ----------------------------------------
   Project Modal
   ---------------------------------------- */
.project-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    overflow: hidden;
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.project-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
}

.project-modal__container {
    position: relative;
    max-width: 1200px;
    max-height: 90vh;
    width: 100%;
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.project-modal.active .project-modal__container {
    transform: translateY(0);
}

.project-modal__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 10;
    width: 44px;
    height: 44px;
    border: none;
    background: var(--color-charcoal);
    color: var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.project-modal__close:hover {
    background: var(--color-green);
    color: var(--color-charcoal);
}

.project-modal__close svg {
    width: 24px;
    height: 24px;
}

.project-modal__content {
    display: grid;
    grid-template-columns: 1fr;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: 90vh;
}

@media (min-width: 768px) and (max-width: 1023px) {
    .project-modal {
        padding: var(--space-md);
    }

    .project-modal__content {
        grid-template-columns: 1fr 280px;
        overflow-y: hidden;        /* each panel scrolls independently */
    }

    .project-modal__gallery {
        overflow-y: auto;
        max-height: 90vh;
    }

    .project-modal__info {
        overflow-y: auto;
        max-height: 90vh;
        padding: var(--space-lg);
    }

    .project-modal__main-image {
        min-height: 220px;
        max-height: 45vh;
    }

    .project-modal__title {
        font-size: 1.35rem;
    }

    .project-modal__thumb {
        flex: 0 0 80px;
        height: 55px;
    }
}

@media (min-width: 1024px) {
    .project-modal__content {
        grid-template-columns: 1fr 400px;
        overflow-y: hidden;
    }

    .project-modal__gallery {
        overflow-y: auto;
        max-height: 90vh;
    }

    .project-modal__info {
        overflow-y: auto;
        max-height: 90vh;
    }
}

/* Gallery Section */
.project-modal__gallery {
    background: var(--color-grey-100);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
}

.project-modal__main-image {
    position: relative;
    width: 100%;
    flex: 1;
    min-height: 300px;
    max-height: 60vh;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-grey-200);
}

.project-modal__main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: filter 0.4s ease-out;
}

.project-modal__main-image img.loading-blur {
    filter: blur(20px);
}

.project-modal__main-image img.loading-blur--light {
    filter: blur(6px);
}

.project-modal__main-image img.loaded {
    filter: blur(0);
}

/* Fullscreen expand button */
.project-modal__expand {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(26, 32, 44, 0.7);
    color: var(--color-white);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    transition: background 0.2s ease, transform 0.2s ease;
    backdrop-filter: blur(4px);
}

.project-modal__expand:hover {
    background: rgba(26, 32, 44, 0.9);
    transform: scale(1.1);
}

.project-modal__expand svg {
    width: 20px;
    height: 20px;
}

/* Main image navigation arrows */
.project-modal__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(26, 32, 44, 0.65);
    color: var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    transition: background 0.2s ease, transform 0.2s ease;
    backdrop-filter: blur(4px);
}

.project-modal__nav:hover {
    background: rgba(26, 32, 44, 0.9);
    transform: translateY(-50%) scale(1.1);
}

.project-modal__nav--prev { left: var(--space-sm); }
.project-modal__nav--next { right: var(--space-sm); }

.project-modal__nav svg {
    width: 22px;
    height: 22px;
}

/* Thumbnail strip with scroll arrows */
.project-modal__thumb-strip {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.project-modal__thumb-arrow {
    flex: 0 0 32px;
    height: 32px;
    border: none;
    background: var(--color-charcoal);
    color: var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.project-modal__thumb-arrow:hover {
    background: var(--color-green-dark);
}

.project-modal__thumb-arrow svg {
    width: 16px;
    height: 16px;
}

.project-modal__thumbnails {
    display: flex;
    gap: var(--space-sm);
    overflow-x: hidden;
    scroll-behavior: smooth;
    flex: 1;
    padding: 4px 0;
}

.project-modal__thumb {
    flex: 0 0 100px;
    height: 70px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s ease, transform 0.3s ease;
    border: 2px solid transparent;
}

.project-modal__thumb:hover,
.project-modal__thumb.active {
    opacity: 1;
}

.project-modal__thumb.active {
    border-color: var(--color-green);
}

.project-modal__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter 0.3s ease-out;
}

.project-modal__thumb img.loading-blur {
    filter: blur(10px);
}

.project-modal__thumb img.loaded {
    filter: blur(0);
}

/* Info Section */
.project-modal__info {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
}

.project-modal__category {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-green);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.project-modal__title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
}

.project-modal__location {
    font-size: 0.95rem;
    color: var(--color-grey-500);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-grey-200);
}

.project-modal__description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-grey-600);
    margin-bottom: var(--space-lg);
}

.project-modal__details {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.project-modal__details li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
    color: var(--color-grey-600);
}

.project-modal__details li::before {
    content: '';
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    margin-top: 8px;
    background: var(--color-green);
    border-radius: 50%;
}

.project-modal__cta {
    margin-top: auto;
}

.project-modal__cta .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
}

/* Timeline / Process View */
.project-timeline {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-grey-200);
}

.project-timeline__title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: var(--space-md);
}

.project-timeline__stages {
    display: flex;
    gap: var(--space-sm);
}

.project-timeline__stage {
    flex: 1;
    text-align: center;
    padding: var(--space-sm);
    background: var(--color-grey-100);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.project-timeline__stage:hover,
.project-timeline__stage.active {
    background: var(--color-green);
}

.project-timeline__stage.active {
    color: var(--color-charcoal);
    font-weight: 600;
}

/* ----------------------------------------
   Responsive
   ---------------------------------------- */
@media (max-width: 767px) {
    .project-gallery {
        grid-template-columns: 1fr;
    }
    
    .project-modal {
        padding: 0;
    }
    
    .project-modal__container {
        max-height: 100vh;
        height: 100vh;
        border-radius: 0;
    }

    .project-modal__content {
        max-height: 100vh;
    }
    
    .project-modal__close {
        top: var(--space-sm);
        right: var(--space-sm);
        z-index: 15;
        width: 40px;
        height: 40px;
    }

    .project-modal__expand {
        top: var(--space-sm);
        right: calc(var(--space-sm) + 48px);
    }

    .project-modal__gallery {
        padding: var(--space-md);
    }

    .project-modal__main-image {
        min-height: 200px;
        max-height: 40vh;
    }
    
    .project-modal__info {
        padding: var(--space-lg);
        max-height: 45vh;
        overflow-y: auto;
    }
    
    .project-modal__title {
        font-size: 1.35rem;
    }

    .project-modal__thumb {
        flex: 0 0 72px;
        height: 50px;
    }

    .project-modal__nav {
        width: 36px;
        height: 36px;
    }

    .project-modal__nav svg {
        width: 18px;
        height: 18px;
    }
}

/* ----------------------------------------
   Portfolio Filters Enhancement
   ---------------------------------------- */
.portfolio__filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--color-grey-200);
    background: var(--color-white);
    color: var(--color-grey-600);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--color-green);
    color: var(--color-charcoal);
}

.filter-btn.active {
    background: var(--color-green);
    border-color: var(--color-green);
    color: var(--color-charcoal);
}

/* ----------------------------------------
   Portfolio CTA Section
   ---------------------------------------- */
.portfolio__cta {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-grey-200);
}

.portfolio__cta p {
    font-size: 1.25rem;
    color: var(--color-grey-600);
    margin-bottom: var(--space-md);
}

/* Animation for filter transitions */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Lightbox styles now in css/fullscreen-lightbox.css */