/* =============================================
   PROJECTS — listing pages, detail pages, lightbox
   ============================================= */

/* ── Page Intro (shared with listing + detail) ── */
.projects-page-intro {
    width: 80%;
    max-width: 900px;
    margin: 130px auto 50px;
    text-align: center;
}

.projects-page-intro .article-tag {
    color: var(--color-accent);
    letter-spacing: 4px;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.projects-page-intro h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 4rem);
    line-height: 1.15;
    margin: 14px 0 16px;
    color: var(--color-text);
}

.projects-page-intro p {
    max-width: 640px;
    margin: 0 auto;
    font-size: 1rem;
    color: var(--color-muted);
    line-height: 1.7;
}

/* ── Category Switch (Residential / Modular Kitchen) ── */
.projects-category-switch {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 0 auto 60px;
    flex-wrap: wrap;
}

.projects-category-switch a {
    padding: 12px 28px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    font-size: var(--fs-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    transition: var(--transition-fast);
}

.projects-category-switch a:hover {
    color: var(--color-text);
    border-color: var(--color-accent);
}

.projects-category-switch a.active {
    background: var(--color-accent);
    color: #1a1a1a;
    border-color: var(--color-accent);
}

/* ── Listing Grid ── */
.projects-listing-grid {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto 100px;

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.listing-card {
    position: relative;
    display: block;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-card);
    border: 1px solid var(--color-border);

    opacity: 0;
    transform: translateY(28px);
    transition:
        opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        border-color 0.4s ease;
}

.listing-card.show {
    opacity: 1;
    transform: translateY(0);
}

.listing-card:hover {
    border-color: var(--color-accent);
}

.listing-card-image-wrapper {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.listing-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.listing-card:hover .listing-card-image {
    transform: scale(1.06);
}

.listing-card-content {
    padding: 24px 26px 28px;
}

.listing-card-category {
    display: block;
    font-size: var(--fs-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 10px;
}

.listing-card-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 8px;
}

.listing-card-desc {
    font-size: 0.9rem;
    color: var(--color-muted);
    line-height: 1.6;
}

.listing-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text);
}

.listing-card-link .arrow {
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.listing-card:hover .listing-card-link .arrow {
    transform: translateX(5px);
}

/* ── Project Detail: Hero ── */
.project-detail-hero {
    width: 80%;
    max-width: 900px;
    margin: 130px auto 30px;
    text-align: center;
}

.project-detail-hero .article-tag {
    color: var(--color-accent);
    letter-spacing: 4px;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.project-detail-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 4.5vw, 3.8rem);
    line-height: 1.15;
    margin: 14px 0 16px;
    color: var(--color-text);
}

.project-detail-hero p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1rem;
    color: var(--color-muted);
    line-height: 1.7;
}

.project-meta-row {
    display: flex;
    justify-content: center;
    gap: 36px;
    flex-wrap: wrap;
    margin-top: 30px;
    padding-top: 26px;
    border-top: 1px solid var(--color-border);
}

.project-meta-item {
    text-align: center;
}

.project-meta-label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 6px;
}

.project-meta-value {
    font-size: 1rem;
    color: var(--color-text);
}

/* ── Featured / Cover Image ── */
.project-cover-image {
    width: 80%;
    max-width: 1000px;
    margin: 40px auto 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.project-cover-image img {
    width: 100%;
    display: block;
}

/* ── Photo Gallery Grid ── */
.project-gallery-section {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto 80px;
}

.project-gallery-heading {
    text-align: center;
    margin-bottom: 40px;
}

.project-gallery-heading span {
    font-size: var(--fs-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.project-gallery-heading h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    color: var(--color-text);
    margin-top: 10px;
}

.project-gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 220px;
    gap: 14px;
}

/* A gentle masonry-feel by varying a few tile spans */
.project-gallery-grid .gallery-tile:nth-child(1),
.project-gallery-grid .gallery-tile:nth-child(6) {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-tile {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: zoom-in;

    opacity: 0;
    transform: scale(0.94);
    transition:
        opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-tile.show {
    opacity: 1;
    transform: scale(1);
}

.gallery-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
}

.gallery-tile:hover img {
    transform: scale(1.07);
    filter: brightness(0.85);
}

.gallery-tile-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;

    background: rgba(15, 15, 15, 0.0);
    opacity: 0;
    transition: opacity 0.35s ease, background 0.35s ease;
}

.gallery-tile:hover .gallery-tile-overlay {
    opacity: 1;
    background: rgba(15, 15, 15, 0.15);
}

.gallery-tile-overlay .zoom-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    transform: scale(0.7);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-tile:hover .gallery-tile-overlay .zoom-icon {
    transform: scale(1);
}

/* ── Lightbox ── */
.project-lightbox {
    position: fixed;
    inset: 0;
    z-index: 5000;

    display: flex;
    align-items: center;
    justify-content: center;

    background: rgba(8, 8, 8, 0.96);
    backdrop-filter: blur(6px);

    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

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

.lightbox-stage {
    position: relative;
    width: min(92vw, 1100px);
    max-height: 86vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 10px;
}

/* Watermark overlay on lightbox — floats above the image, can't be saved */
.lightbox-stage::after {
    content: '';
    position: absolute;
    bottom: 18px;
    right: 18px;
    width: 80px;
    height: 32px;
    background-image: url('../assets/images/logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center right;
    opacity: 0.7;
    pointer-events: none;
    z-index: 10;
    filter: drop-shadow(0 1px 4px rgba(0,0,0,0.8));
}

.lightbox-image {
    max-width: 100%;
    max-height: 86vh;
    border-radius: 10px;
    box-shadow: var(--shadow-soft);

    opacity: 0;
    transform: scale(0.96);
    transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-image.show {
    opacity: 1;
    transform: scale(1);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: fixed;
    display: flex;
    align-items: center;
    justify-content: center;

    width: 48px;
    height: 48px;
    border-radius: 50%;

    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;

    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #1a1a1a;
}

.lightbox-close {
    top: 28px;
    right: 28px;
}

.lightbox-prev {
    left: 28px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    transform: translateY(-50%) scale(1.05);
}

.lightbox-counter {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);

    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: var(--color-muted);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 8px 18px;
    border-radius: 999px;
}

/* ── Next Project Nav ── */
.project-next-nav {
    width: 80%;
    max-width: 900px;
    margin: 0 auto 90px;
    text-align: center;
    padding-top: 50px;
    border-top: 1px solid var(--color-border);
}

.project-next-nav span.label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 14px;
}

.project-next-nav a {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    color: var(--color-text);
    transition: color 0.3s ease;
}

.project-next-nav a:hover {
    color: var(--color-accent);
}

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

    .project-gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 200px;
    }
}

@media (max-width: 768px) {
    .projects-page-intro,
    .project-detail-hero {
        width: 90%;
        margin-top: 100px;
    }

    .projects-listing-grid {
        grid-template-columns: 1fr;
        width: 90%;
    }

    .project-gallery-section {
        width: 96%;
    }

    .project-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 160px;
        gap: 8px;
    }

    .project-gallery-grid .gallery-tile:nth-child(1),
    .project-gallery-grid .gallery-tile:nth-child(6) {
        grid-column: span 2;
        grid-row: span 1;
        height: 220px;
    }

    .project-cover-image {
        width: 90%;
    }

    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .lightbox-prev { left: 12px; }
    .lightbox-next { right: 12px; }
    .lightbox-close { top: 16px; right: 16px; }

    .project-meta-row {
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .project-gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 220px;
    }

    .project-gallery-grid .gallery-tile:nth-child(1),
    .project-gallery-grid .gallery-tile:nth-child(6) {
        grid-column: span 1;
        height: 220px;
    }
}

/* =========================================
   DYNAMIC WATERMARKS
========================================= */

/* Ensure parent containers are positioned relative */
.gallery-tile,
.project-card-image {
    position: relative;
}

/* Small corner logo watermark — bottom-right like a TV channel bug */
.gallery-tile::after,
.project-card-image::after {
    content: '';
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 48px;
    height: 20px;
    background-image: url('../assets/images/logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center right;
    opacity: 0.48;
    pointer-events: none;
    z-index: 5;
    filter: drop-shadow(0px 1px 2px rgba(0,0,0,0.4));
}