/* ========================================
   MODULE 82: portfolio-grid
   Grille de portfolio créatif
   ======================================== */

/* Specificity Boost: Prefix with main > section to override base.css nth-of-type rules */
main>section.portfolio-grid {
    padding: var(--spacing-section-large, 100px) 0;
    /* Force White background to match user's requested dark text colors */
    background: var(--color-background, #FFFFFF) !important;
    color: #00324D !important;
    min-height: 100vh;
}

.portfolio-grid .container {
    max-width: var(--container-max-width, 1400px);
    margin: 0 auto;
    padding: 0 var(--container-padding, 20px);
}

/* En-tête */
.portfolio-header {
    text-align: center;
    margin-bottom: var(--spacing-section, 60px);
}

main>section.portfolio-grid .portfolio-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-display, 4rem);
    font-weight: var(--font-weight-bold, 700);
    /* User requested Navy #00324D */
    color: #00324D !important;
    margin-bottom: var(--spacing-16, 16px);
    letter-spacing: -0.02em;
}

main>section.portfolio-grid .portfolio-subtitle {
    font-size: var(--font-size-lg, 1.25rem);
    /* User requested Green #3AAA6D */
    color: #3AAA6D !important;
    max-width: 600px;
    margin: 0 auto;
}

/* Filtres */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-12, 12px);
    margin-bottom: var(--spacing-48, 50px);
    flex-wrap: wrap;
}

main>section.portfolio-grid .filter-btn {
    padding: var(--spacing-12, 12px) 28px;
    background: transparent;
    /* User requested Navy #00324D */
    border: 1px solid #00324D;
    border-radius: var(--radius-pill, 30px);
    color: #00324D !important;
    font-size: var(--font-size-base, 0.95rem);
    font-weight: var(--font-weight-medium, 500);
    cursor: pointer;
    transition: all 0.4s ease;
}

/* CRITICAL: Target the span INSIDE the button to override base.css global span color */
main>section.portfolio-grid .filter-btn span {
    color: #00324D !important;
}

main>section.portfolio-grid .filter-btn:hover {
    background: #3AAA6D !important;
    border-color: #3AAA6D !important;
    color: #FFFFFF !important;
}

main>section.portfolio-grid .filter-btn:hover span {
    color: #FFFFFF !important;
}

main>section.portfolio-grid .filter-btn.active {
    background: #3AAA6D !important;
    border-color: #3AAA6D !important;
    color: #FFFFFF !important;
}

main>section.portfolio-grid .filter-btn.active span {
    color: #FFFFFF !important;
}

/* Grille masonry */
.portfolio-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-element, 24px);
}

/* Item portfolio */
.portfolio-item {
    position: relative;
    border-radius: var(--radius-large, 16px);
    overflow: hidden;
    cursor: pointer;
}

.portfolio-item.tall {
    grid-row: span 2;
}

.portfolio-item.wide {
    grid-column: span 2;
}

/* Image, Video, Carousel styling */
.portfolio-image,
.portfolio-video,
.portfolio-carousel-mini,
.portfolio-media-container video {
    width: 100%;
    height: 100%;
    min-height: 350px;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.portfolio-media-container {
    width: 100%;
    height: 100%;
    min-height: 350px;
    background: black;
}

.portfolio-item.tall .portfolio-media-container,
.portfolio-item.tall .portfolio-video,
.portfolio-item.tall .portfolio-carousel-mini,
.portfolio-item.tall .portfolio-carousel-mini__img {
    min-height: 724px;
}

.portfolio-item:hover .portfolio-image,
.portfolio-item:hover .portfolio-carousel-mini__img {
    transform: scale(1.08);
}

/* Overlay */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    /* Use secondary color for overlay to match theme identity */
    background: linear-gradient(to top,
            rgba(0, 50, 77, 0.95) 0%,
            /* Based on --color-secondary #00324D */
            rgba(0, 50, 77, 0.4) 40%,
            transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-32, 40px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

/* Contenu overlay */
.portfolio-content {
    transform: translateY(30px);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-category {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-pill, 20px);
    font-size: var(--font-size-xs, 0.75rem);
    font-weight: var(--font-weight-semibold, 600);
    color: #FFFFFF;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-12, 12px);
}

.portfolio-item-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-h3, 1.75rem);
    font-weight: var(--font-weight-semibold, 600);
    color: #FFFFFF;
    margin-bottom: var(--spacing-8, 8px);
    line-height: var(--line-height-heading, 1.3);
}

.portfolio-item-desc {
    font-size: var(--font-size-base, 0.95rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: var(--line-height-body, 1.6);
    margin-bottom: var(--spacing-element, 20px);
    max-width: 400px;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-10, 10px);
    color: #FFFFFF;
    font-weight: var(--font-weight-semibold, 600);
    text-decoration: none;
    transition: gap var(--transition-normal, 0.3s ease);
}

.portfolio-link:hover {
    gap: var(--spacing-16, 16px);
}

.portfolio-link svg {
    width: 20px;
    height: 20px;
}

/* Bouton Prévisualiser */
.portfolio-preview-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-pill, 25px);
    color: #FFFFFF;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 12px;
    pointer-events: auto;
}

.portfolio-preview-btn:hover {
    background: #3AAA6D;
    border-color: #3AAA6D;
    transform: translateY(-2px);
}

.portfolio-preview-btn svg {
    width: 18px;
    height: 18px;
}

/* Bouton voir projet */
.portfolio-view-btn {
    position: absolute;
    top: var(--spacing-32, 30px);
    right: var(--spacing-32, 30px);
    width: 50px;
    height: 50px;
    background: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8) rotate(-45deg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover .portfolio-view-btn {
    opacity: 1;
    transform: scale(1) rotate(0);
}

.portfolio-view-btn svg {
    width: 20px;
    height: 20px;
    color: var(--color-secondary, #00324D);
}

/* Empty Message - Shown when filter returns no results */
#empty-message {
    text-align: center;
    grid-column: 1 / -1;
    padding: 80px 20px;
    display: none;
    /* JS shows this */
}

#empty-message h3 {
    color: #00324D !important;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

#empty-message p {
    color: #00324D !important;
    font-size: 1.2rem;
    opacity: 0.8;
}

/* Lightbox - Keep dark for focus */
.portfolio-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-32, 40px);
}

.portfolio-lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: var(--container-max-width, 1200px);
    width: 100%;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-32, 40px);
    align-items: center;
}

.lightbox-image img {
    width: 100%;
    border-radius: var(--radius-large, 16px);
}

.lightbox-info {
    color: #FFFFFF;
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-32, 30px);
    right: var(--spacing-32, 30px);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: #FFFFFF;
    cursor: pointer;
    transition: all var(--transition-normal, 0.3s ease);
}

.lightbox-close:hover {
    background: #FFFFFF;
    color: #000000;
}

.lightbox-close svg {
    width: 24px;
    height: 24px;
}

/* Responsive */
@media (max-width: 1024px) {
    .portfolio-masonry {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-item.tall {
        grid-row: span 1;
    }

    .portfolio-item.wide {
        grid-column: span 1;
    }

    .portfolio-image {
        min-height: 300px;
    }

    .portfolio-item.tall .portfolio-image {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        padding: var(--spacing-section, 60px) 0;
    }

    .portfolio-title {
        font-size: var(--font-size-h1, 2.5rem);
    }

    .portfolio-masonry {
        grid-template-columns: 1fr;
    }

    .portfolio-overlay {
        opacity: 1;
    }

    .portfolio-content {
        transform: translateY(0);
    }

    .portfolio-view-btn {
        opacity: 1;
        transform: scale(1);
    }

    .lightbox-content {
        grid-template-columns: 1fr;
    }
}

/* Mini Carousel specific styles */
.portfolio-carousel-mini {
    position: relative;
    overflow: hidden;
}

.portfolio-carousel-mini__track {
    position: relative;
    width: 100%;
    height: 100%;
}

.portfolio-carousel-mini__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-carousel-mini__img.active {
    opacity: 1;
    z-index: 1;
}

.portfolio-carousel-mini__controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    z-index: 5;
    pointer-events: none;
    padding: 0 10px;
}

.portfolio-carousel-mini__btn {
    pointer-events: auto;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.portfolio-carousel-mini__btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* Fix overlay z-index so controls work */
.portfolio-overlay {
    pointer-events: none;
}

.portfolio-content,
.portfolio-link,
.portfolio-view-btn {
    pointer-events: auto;
}

.portfolio-grid .container {
    max-width: var(--container-max-width, 1400px);
    margin: 0 auto;
    padding: 0 var(--container-padding, 20px);
}

/* En-tête */
.portfolio-header {
    text-align: center;
    margin-bottom: var(--spacing-section, 60px);
}

.portfolio-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-display, 4rem);
    font-weight: var(--font-weight-bold, 700);
    color: var(--color-text-on-dark, #FFFFFF);
    margin-bottom: var(--spacing-16, 16px);
    letter-spacing: -0.02em;
}

.portfolio-subtitle {
    font-size: var(--font-size-lg, 1.25rem);
    color: rgba(255, 255, 255, 0.6);
    max-width: 600px;
    margin: 0 auto;
}

/* Filtres */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-12, 12px);
    margin-bottom: var(--spacing-48, 50px);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-12, 12px) 28px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-pill, 30px);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-base, 0.95rem);
    font-weight: var(--font-weight-medium, 500);
    cursor: pointer;
    transition: all 0.4s ease;
}

.filter-btn:hover {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--color-text-on-dark, #FFFFFF);
}

.filter-btn.active {
    background: var(--color-text-on-dark, #FFFFFF);
    border-color: var(--color-text-on-dark, #FFFFFF);
    color: var(--color-background-dark, #0A0A0A);
}

/* Grille masonry */
.portfolio-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-element, 24px);
}

/* Item portfolio */
.portfolio-item {
    position: relative;
    border-radius: var(--radius-large, 16px);
    overflow: hidden;
    cursor: pointer;
}

.portfolio-item.tall {
    grid-row: span 2;
}

.portfolio-item.wide {
    grid-column: span 2;
}

/* Image, Video, Carousel styling */
.portfolio-image,
.portfolio-video,
.portfolio-carousel-mini,
.portfolio-media-container video {
    width: 100%;
    height: 100%;
    min-height: 350px;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.portfolio-media-container {
    width: 100%;
    height: 100%;
    min-height: 350px;
    background: black;
}

.portfolio-item.tall .portfolio-media-container,
.portfolio-item.tall .portfolio-video,
.portfolio-item.tall .portfolio-carousel-mini,
.portfolio-item.tall .portfolio-carousel-mini__img {
    min-height: 724px;
}

.portfolio-item:hover .portfolio-image,
.portfolio-item:hover .portfolio-carousel-mini__img {
    transform: scale(1.08);
    /* Apply zoom effect to images */
}

/* Ensure video controls remain accessible if needed, or hide overlay on play?
   For now, strictly visual consistency. */


/* Overlay */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    /* Ensure overlay is above carousel images (z-index: 1) but below controls (z-index: 5) */
    background: linear-gradient(to top,
            rgba(var(--color-overlay-rgb, 10, 10, 10), 0.95) 0%,
            rgba(var(--color-overlay-rgb, 10, 10, 10), 0.4) 40%,
            transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-32, 40px);
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

/* Contenu overlay */
.portfolio-content {
    transform: translateY(30px);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-category {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-pill, 20px);
    font-size: var(--font-size-xs, 0.75rem);
    font-weight: var(--font-weight-semibold, 600);
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-12, 12px);
}

.portfolio-item-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-h3, 1.75rem);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-text-on-dark, #FFFFFF);
    margin-bottom: var(--spacing-8, 8px);
    line-height: var(--line-height-heading, 1.3);
}

.portfolio-item-desc {
    font-size: var(--font-size-base, 0.95rem);
    color: rgba(255, 255, 255, 0.7);
    line-height: var(--line-height-body, 1.6);
    margin-bottom: var(--spacing-element, 20px);
    max-width: 400px;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-10, 10px);
    color: var(--color-text-on-dark, #FFFFFF);
    font-weight: var(--font-weight-semibold, 600);
    text-decoration: none;
    transition: gap var(--transition-normal, 0.3s ease);
}

.portfolio-link:hover {
    gap: var(--spacing-16, 16px);
}

.portfolio-link svg {
    width: 20px;
    height: 20px;
}

/* Bouton voir projet */
.portfolio-view-btn {
    position: absolute;
    top: var(--spacing-32, 30px);
    right: var(--spacing-32, 30px);
    width: 50px;
    height: 50px;
    background: var(--color-text-on-dark, #FFFFFF);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8) rotate(-45deg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover .portfolio-view-btn {
    opacity: 1;
    transform: scale(1) rotate(0);
}

.portfolio-view-btn svg {
    width: 20px;
    height: 20px;
    color: var(--color-background-dark, #0A0A0A);
}

/* Lightbox */
.portfolio-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(var(--color-overlay-rgb, 10, 10, 10), 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-32, 40px);
}

.portfolio-lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: var(--container-max-width, 1200px);
    width: 100%;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-32, 40px);
    align-items: center;
}

.lightbox-image img {
    width: 100%;
    border-radius: var(--radius-large, 16px);
}

.lightbox-info {
    color: var(--color-text-on-dark, #FFFFFF);
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-32, 30px);
    right: var(--spacing-32, 30px);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: var(--color-text-on-dark, #FFFFFF);
    cursor: pointer;
    transition: all var(--transition-normal, 0.3s ease);
}

.lightbox-close:hover {
    background: var(--color-text-on-dark, #FFFFFF);
    color: var(--color-background-dark, #0A0A0A);
}

.lightbox-close svg {
    width: 24px;
    height: 24px;
}

/* CTA */
.portfolio-cta {
    text-align: center;
    margin-top: var(--spacing-section, 80px);
}

.portfolio-cta-text {
    font-size: var(--font-size-h3, 1.5rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-32, 30px);
}

.portfolio-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-12, 12px);
    padding: var(--spacing-element, 20px) var(--spacing-32, 40px);
    background: var(--color-text-on-dark, #FFFFFF);
    border: none;
    border-radius: var(--radius-pill, 40px);
    color: var(--color-background-dark, #0A0A0A);
    font-size: var(--font-size-lg, 1.1rem);
    font-weight: var(--font-weight-bold, 700);
    text-decoration: none;
    transition: all 0.4s ease;
}

.portfolio-cta-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(255, 255, 255, 0.15);
}

.portfolio-cta-btn svg {
    width: 22px;
    height: 22px;
}

/* Responsive */
@media (max-width: 1024px) {
    .portfolio-masonry {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-item.tall {
        grid-row: span 1;
    }

    .portfolio-item.wide {
        grid-column: span 1;
    }

    .portfolio-image {
        min-height: 300px;
    }

    .portfolio-item.tall .portfolio-image {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        padding: var(--spacing-section, 60px) 0;
    }

    .portfolio-title {
        font-size: var(--font-size-h1, 2.5rem);
    }

    .portfolio-masonry {
        grid-template-columns: 1fr;
    }

    .portfolio-overlay {
        opacity: 1;
    }

    .portfolio-content {
        transform: translateY(0);
    }

    .portfolio-view-btn {
        opacity: 1;
        transform: scale(1);
    }

    .lightbox-content {
        grid-template-columns: 1fr;
    }
}

/* Mini Carousel specific styles */
.portfolio-carousel-mini {
    position: relative;
    overflow: hidden;
    /* Height is handled by generic class above */
}

.portfolio-carousel-mini__track {
    position: relative;
    width: 100%;
    height: 100%;
}

.portfolio-carousel-mini__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-carousel-mini__img.active {
    opacity: 1;
    z-index: 1;
}

.portfolio-carousel-mini__controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    z-index: 5;
    pointer-events: none;
    padding: 0 10px;
}

.portfolio-carousel-mini__btn {
    pointer-events: auto;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.portfolio-carousel-mini__btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* Fix overlay z-index so controls work */
.portfolio-overlay {
    pointer-events: none;
}

.portfolio-content,
.portfolio-link,
.portfolio-view-btn {
    pointer-events: auto;
}