/* =============================================
   STUDIO LEUJI — Portfolio CSS
   ============================================= */

/* ─── HERO PORTFOLIO ─── */
.pf-hero {
    min-height: 40vh;
    display: flex;
    align-items: flex-end;
    padding: 140px 24px 64px;
    max-width: 1200px;
    margin: 0 auto;
}

.pf-hero-title {
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.04em;
    margin-bottom: 20px;
}

.pf-hero-sub {
    font-size: 1.05rem;
    color: var(--gray);
    line-height: 1.7;
    max-width: 560px;
}

/* ─── FILTRES ─── */
.pf-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0 24px 48px;
    max-width: 1200px;
    margin: 0 auto;
}

.pf-filter {
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 8px 20px;
    border-radius: 100px;
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--gray);
    cursor: pointer;
    transition: all 0.3s var(--ease);
}

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

.pf-filter.active {
    background: var(--green);
    border-color: var(--green);
    color: var(--dark);
}

/* ─── GRILLE ─── */
.pf-grid-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 120px;
}

.pf-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 300px;
    gap: 16px;
}

/* Variantes de taille */
.pf-card--tall  { grid-row: span 2; }
.pf-card--wide  { grid-column: span 2; }

/* ─── CARD ─── */
.pf-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    opacity: 0;
    transform: translateY(30px) scale(0.98);
    transition:
        opacity 0.6s var(--ease-out),
        transform 0.6s var(--ease-out),
        box-shadow 0.4s;
}

.pf-card.in {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.pf-card.hidden {
    display: none;
}

.pf-card:hover {
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

/* Media (image) */
.pf-card-media {
    position: absolute;
    inset: 0;
}

.pf-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
    display: block;
}

.pf-card:hover .pf-card-img {
    transform: scale(1.06);
}

/* Placeholder quand pas d'image */
.pf-card-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark2), var(--dark));
    opacity: 0;
    transition: opacity 0.3s;
}

.no-img .pf-card-placeholder {
    opacity: 1;
}

.no-img .pf-card-img {
    display: none;
}

.pf-card-placeholder span {
    font-size: 4rem;
    font-weight: 800;
    color: var(--green);
    opacity: 0.15;
    letter-spacing: -0.04em;
}

/* Overlay au survol */
.pf-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(7, 27, 35, 0.95) 0%,
        rgba(7, 27, 35, 0.4) 50%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.4s var(--ease);
    display: flex;
    align-items: flex-end;
}

.pf-card:hover .pf-card-overlay {
    opacity: 1;
}

.pf-card-info {
    padding: 28px;
    transform: translateY(12px);
    transition: transform 0.4s var(--ease);
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pf-card:hover .pf-card-info {
    transform: translateY(0);
}

.pf-card-cat {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--green);
}

.pf-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.01em;
}

.pf-card-arrow {
    font-size: 1.2rem;
    color: var(--green);
    align-self: flex-end;
    transform: translateX(-8px);
    opacity: 0;
    transition: all 0.4s var(--ease);
}

.pf-card:hover .pf-card-arrow {
    transform: translateX(0);
    opacity: 1;
}

/* Ligne verte en haut au survol */
.pf-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--green), transparent);
    opacity: 0;
    z-index: 2;
    transition: opacity 0.4s;
}

.pf-card:hover::before {
    opacity: 1;
}

/* Message vide */
.pf-empty {
    text-align: center;
    padding: 80px 24px;
    color: var(--gray);
    font-size: 1rem;
}

/* ─── LIGHTBOX ─── */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(7, 27, 35, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.lightbox.open {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    transform: scale(0.95);
    transition: transform 0.4s var(--ease));
}

.lightbox.open .lightbox-content {
    transform: scale(1);
}

.lightbox-img {
    max-width: 85vw;
    max-height: 78vh;
    object-fit: contain;
    border-radius: 12px;
}


.lightbox-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.lightbox-cat {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--green);
}

.lightbox-title {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.lightbox-close {
    position: absolute;
    top: 24px; right: 28px;
    background: none; border: none;
    color: var(--white); font-size: 2rem;
    cursor: pointer; line-height: 1;
    opacity: 0.6; transition: opacity 0.3s;
    font-family: inherit;
}

.lightbox-close:hover { opacity: 1; }

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%; transform: translateY(-50%);
    background: rgba(170, 255, 193, 0.1);
    border: 1px solid var(--card-border);
    color: var(--white); font-size: 1.4rem;
    width: 52px; height: 52px;
    border-radius: 50%;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.3s var(--ease));
    font-family: inherit;
}

.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--green);
    color: var(--dark);
    border-color: var(--green);
}

/* ─── CTA PORTFOLIO ─── */
.pf-cta {
    padding: 0 0 120px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
    .pf-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 280px;
    }
    .pf-card--wide { grid-column: span 2; }
    .pf-card--tall { grid-row: span 2; }
}

@media (max-width: 768px) {
    .pf-hero { min-height: auto; padding: 100px 20px 36px; }
    .pf-hero-title { font-size: clamp(2.4rem, 10vw, 4rem); }
    .pf-filters { padding: 0 20px 32px; gap: 8px; }
    .pf-grid-section { padding: 0 20px 80px; }
    .pf-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 240px;
        gap: 12px;
    }
    .pf-card--tall,
    .pf-card--wide { grid-column: span 1; grid-row: span 1; }
    .pf-card-overlay { opacity: 1; }
    .pf-card-info { transform: translateY(0); }
    .pf-card-arrow { opacity: 1; transform: translateX(0); }
    .lightbox-prev { left: 8px; }
    .lightbox-next { right: 8px; }
    .lightbox-img { max-width: 94vw; max-height: 65vh; }
    .lightbox-title { font-size: 1.1rem; }
    .pf-cta { padding: 0 0 80px; }
}

@media (max-width: 480px) {
    .pf-hero { padding: 90px 16px 28px; }
    .pf-grid { grid-auto-rows: 200px; }
    .pf-card-info { padding: 18px; }
    .pf-card-title { font-size: 1rem; }
    .lightbox-close { top: 16px; right: 16px; font-size: 1.6rem; }
}