/* ============================================================================
   MAVI NEW YORK — PORTFOLIO STYLES
   Covers: archive grid, single project, related projects, gallery lightbox,
           sidebar filters, A–Z nav, breadcrumbs, responsive breakpoints.
   Brand colours: navy #002d62, accent blue #00aeef, white #ffffff
   ============================================================================ */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    --pf-navy:       #002d62;
    --pf-blue:       #00aeef;
    --pf-blue-dark:  #0093cc;
    --pf-white:      #ffffff;
    --pf-light:      #f4f7fb;
    --pf-border:     #e2e8f0;
    --pf-text:       #1a2533;
    --pf-muted:      #6b7a8d;
    --pf-radius:     10px;
    --pf-shadow:     0 2px 16px rgba(0,45,98,.10);
    --pf-shadow-lg:  0 8px 40px rgba(0,45,98,.18);
    --pf-transition: 0.22s cubic-bezier(.4,0,.2,1);
    --pf-container:  1200px;
    --pf-sidebar-w:  260px;
    --pf-gap:        24px;
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.pf-container {
    max-width: var(--pf-container);
    margin: 0 auto;
    padding: 0 24px;
}

/* --------------------------------------------------------------------------
   BREADCRUMB
   -------------------------------------------------------------------------- */
.pf-breadcrumb,
.pf-single-breadcrumb-bar .pf-breadcrumb {
    font-size: 0.82rem;
    color: var(--pf-muted);
    padding: 12px 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
}
.pf-breadcrumb a {
    color: var(--pf-blue);
    text-decoration: none;
    transition: color var(--pf-transition);
}
.pf-breadcrumb a:hover { color: var(--pf-navy); }
.pf-breadcrumb-sep { color: var(--pf-border); }
.pf-breadcrumb [aria-current="page"] { color: var(--pf-muted); }

/* --------------------------------------------------------------------------
   ARCHIVE — PAGE HEADER
   -------------------------------------------------------------------------- */
.pf-page-header {
    background: linear-gradient(135deg, var(--pf-navy) 0%, #004080 100%);
    color: var(--pf-white);
    padding: 48px 0 40px;
}
.pf-page-header .pf-breadcrumb,
.pf-page-header .pf-breadcrumb a { color: rgba(255,255,255,.7); }
.pf-page-header .pf-breadcrumb a:hover { color: var(--pf-white); }
.pf-page-header .pf-breadcrumb-sep { color: rgba(255,255,255,.3); }
.pf-page-header .pf-breadcrumb [aria-current="page"] { color: rgba(255,255,255,.6); }

.pf-page-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    margin: 8px 0 10px;
    line-height: 1.15;
    color: var(--pf-white);
}
.pf-page-subtitle {
    font-size: 1.05rem;
    color: rgba(255,255,255,.8);
    max-width: 600px;
    margin: 0;
}

/* --------------------------------------------------------------------------
   ARCHIVE — LAYOUT (Full width)
   -------------------------------------------------------------------------- */

.pf-archive-wrap {
    background: var(--pf-light);
    min-height: 70vh;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}
.pf-layout-full {
    display: flex;
    flex-direction: column;
    gap: var(--pf-gap);
    padding-top: 32px;
    padding-bottom: 60px;
}

/* --------------------------------------------------------------------------
   FILTER BAR (Horizontal)
   -------------------------------------------------------------------------- */
.pf-filter-bar {
    background: var(--pf-white);
    border: 1px solid var(--pf-border);
    border-radius: 12px;
    padding: 16px 24px;
    box-shadow: var(--pf-shadow);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.pf-filter-bar::-webkit-scrollbar {
    height: 4px;
}
.pf-filter-bar::-webkit-scrollbar-thumb {
    background: var(--pf-border);
    border-radius: 4px;
}

.pf-cat-list-horizontal {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
}
.pf-cat-list-horizontal li { margin: 0; padding: 0; }

/* Category filter buttons */
.pf-cat-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.pf-cat-list li { margin: 0; padding: 0; }

.portfolio-filter-btn {
    background: var(--pf-light);
    border: 1px solid transparent;
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 0.9rem;
    color: var(--pf-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background var(--pf-transition), color var(--pf-transition), box-shadow var(--pf-transition);
}
.portfolio-filter-btn:hover {
    background: var(--pf-white);
    box-shadow: var(--pf-shadow);
    color: var(--pf-blue);
}
.portfolio-filter-btn.active {
    background: var(--pf-blue);
    color: var(--pf-white);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 174, 239, 0.3);
}
.portfolio-filter-btn.active .pf-cat-count { background: rgba(255,255,255,.2); color: var(--pf-white); }

.pf-cat-count {
    background: var(--pf-border);
    color: var(--pf-text);
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 99px;
    padding: 1px 7px;
    min-width: 22px;
    text-align: center;
    flex-shrink: 0;
    transition: background var(--pf-transition), color var(--pf-transition);
}

/* --------------------------------------------------------------------------
   GRID HEADER (result count)
   -------------------------------------------------------------------------- */
.pf-grid-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.pf-result-count {
    font-size: 0.88rem;
    color: var(--pf-muted);
    margin: 0;
}
.pf-result-count span {
    font-weight: 700;
    color: var(--pf-navy);
}

/* --------------------------------------------------------------------------
   PORTFOLIO CARD
   -------------------------------------------------------------------------- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--pf-gap);
}

.portfolio-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--pf-shadow);
    aspect-ratio: 4 / 3;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.portfolio-card:hover {
    box-shadow: 0 15px 45px rgba(0,45,98,.25);
    transform: translateY(-5px);
}

.portfolio-card-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 0;
}
.portfolio-card:hover .portfolio-card-bg {
    transform: scale(1.08);
}

.portfolio-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,20,50,0.1) 0%, rgba(0,20,50,0.85) 100%);
    z-index: 1;
    transition: opacity 0.4s ease;
}
.portfolio-card:hover .portfolio-card-overlay {
    opacity: 0.9;
}

.portfolio-card-link-full {
    position: absolute;
    inset: 0;
    z-index: 10;
}

.portfolio-card-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding: 24px;
    pointer-events: none; /* Let clicks pass through to link */
}

.portfolio-card-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-end;
}

.portfolio-card-body-bottom {
    margin-top: auto;
    transform: translateY(10px);
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.portfolio-card:hover .portfolio-card-body-bottom {
    transform: translateY(0);
}

.portfolio-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0 0 10px;
    line-height: 1.2;
}
.portfolio-card-title a {
    color: var(--pf-white);
    text-decoration: none;
    pointer-events: auto; /* Re-enable clicks if needed */
}

.portfolio-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.portfolio-card-location {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pf-img-badge-glass {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--pf-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 99px;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Glass Tags */
.pf-tag-glass {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--pf-white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 99px;
    text-decoration: none;
    transition: background var(--pf-transition);
}
.portfolio-card:hover .pf-tag-glass {
    background: rgba(0, 174, 239, 0.8);
    border-color: transparent;
}

/* No projects */
.pf-no-projects {
    padding: 60px 20px;
    text-align: center;
    color: var(--pf-muted);
    font-size: 1rem;
}

/* ==========================================================================
   SINGLE PROJECT
   ========================================================================== */

.pf-single-wrap { 
    background: var(--pf-light); 
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Breadcrumb inside hero */
.pf-single-breadcrumb-wrapper {
    margin-bottom: 24px;
}
.pf-single-breadcrumb-wrapper .pf-breadcrumb {
    padding: 0;
}
.pf-single-breadcrumb-wrapper .pf-breadcrumb a,
.pf-single-breadcrumb-wrapper .pf-breadcrumb span,
.pf-single-breadcrumb-wrapper .pf-breadcrumb-sep {
    color: rgba(255, 255, 255, 0.7);
}
.pf-single-breadcrumb-wrapper .pf-breadcrumb a:hover {
    color: var(--pf-white);
}

/* ── Hero ── */
.pf-single-hero {
    position: relative;
    background: var(--pf-navy);
    min-height: 480px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
}
.pf-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,45,98,0.7) 0%, rgba(0,20,50,0.95) 100%);
}
.pf-hero-content {
    position: relative;
    z-index: 1;
    padding-bottom: 50px;
    padding-top: 80px;
    width: 100%;
}
.pf-hero-meta { max-width: 800px; }
.pf-hero-cats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }

.pf-single-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--pf-white);
    margin: 0 0 16px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.pf-single-location,
.pf-single-photocount {
    color: rgba(255,255,255,0.85);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0 0;
    font-weight: 500;
}

/* ── Body layout ── */
.pf-single-body {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    padding-top: 60px;
    padding-bottom: 80px;
    align-items: start;
}

/* ── Section headings ── */
.pf-section-heading {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--pf-navy);
    margin: 0 0 24px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--pf-blue);
    display: flex;
    align-items: center;
    gap: 10px;
}
.pf-section-count {
    font-size: 1rem;
    color: var(--pf-muted);
    font-weight: 500;
}

/* ── Gallery grid ── */
.pf-gallery-section { grid-column: 1; margin-bottom: 40px; }

.pf-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 240px;
    gap: 16px;
}
.pf-gallery-item--featured {
    grid-column: span 2;
    grid-row: span 2;
}

.pf-gallery-item { 
    display: block; 
    border-radius: 12px; 
    overflow: hidden; 
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.pf-gallery-thumb {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--pf-navy);
}
.pf-gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(.4,0,.2,1), filter 0.6s ease;
}
.pf-gallery-item:hover .pf-gallery-thumb img {
    transform: scale(1.08);
    filter: brightness(0.8);
}

.pf-gallery-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--pf-transition);
    color: var(--pf-white);
    background: rgba(0,45,98,0.2);
}
.pf-gallery-item:hover .pf-gallery-overlay { opacity: 1; }

.pf-gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,20,50,.9));
    color: var(--pf-white);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 30px 16px 12px;
    translate: 0 100%;
    transition: translate 0.4s cubic-bezier(.4,0,.2,1);
}
.pf-gallery-item:hover .pf-gallery-caption { translate: 0 0; }

/* ── Description ── */
.pf-description-section { grid-column: 1; }
.pf-description-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #334155;
}
.pf-description-content p { margin-bottom: 1.5em; }

/* ── Project Details Card (sidebar) ── */
.pf-project-details-card {
    grid-column: 2;
    grid-row: 1 / span 3;
    background: var(--pf-white);
    border: none;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 12px 40px rgba(0,45,98,.06);
    position: sticky;
    top: 100px;
    align-self: start;
}
.pf-details-heading {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--pf-navy);
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--pf-light);
}
.pf-details-list {
    margin: 0 0 24px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.pf-detail-row dt {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--pf-muted);
    margin-bottom: 6px;
}
.pf-detail-row dd {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--pf-navy);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.pf-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--pf-navy);
    color: var(--pf-white);
    border-radius: 8px;
    padding: 16px 20px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-bottom: 16px;
    box-shadow: 0 4px 14px rgba(0,45,98,.2);
}
.pf-cta-btn:hover { 
    background: var(--pf-blue); 
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,174,239,.3);
}

.pf-back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--pf-muted);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--pf-transition);
    padding: 8px;
}
.pf-back-btn:hover { color: var(--pf-navy); }

/* ── Related Projects ── */
.pf-related-section {
    background: var(--pf-white);
    border-top: 1px solid var(--pf-border);
    padding: 48px 0 60px;
}
.pf-related-heading { font-size: 1.5rem; }
.pf-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--pf-gap);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* ── 1024px: collapse grid ── */
@media (max-width: 1024px) {
    .pf-single-body { grid-template-columns: 1fr; }
    .pf-project-details-card {
        grid-column: 1;
        grid-row: auto;
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
        align-items: start;
    }
    .pf-details-heading { grid-column: 1 / -1; }
    .pf-details-list    { grid-column: 1 / -1; }
    .pf-cta-btn         { grid-column: 1; }
    .pf-back-btn        { grid-column: 2; justify-self: end; align-self: center; }
}

/* ── 768px: stack filter bar ── */
@media (max-width: 768px) {
    .pf-layout-full {
        padding-top: 20px;
    }
    .pf-filter-bar {
        justify-content: flex-start;
        border-radius: 8px;
        padding: 12px 16px;
    }

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

    .pf-single-hero { min-height: 280px; }
    .pf-gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
    .pf-gallery-item--featured { grid-column: span 2; grid-row: span 1; }

    .pf-project-details-card { grid-template-columns: 1fr; }
    .pf-cta-btn, .pf-back-btn { grid-column: 1; justify-self: stretch; }

    .pf-related-grid { grid-template-columns: 1fr 1fr; }
}

/* ── 480px: single column ── */
@media (max-width: 480px) {
    .pf-container { padding: 0 16px; }
    .portfolio-grid,
    .portfolio-grid.isotope { display: flex; flex-direction: column; }
    .portfolio-grid.isotope .portfolio-card { width: 100%; float: none; }

    .pf-gallery-grid {
        grid-template-columns: 1fr 1fr;
        grid-auto-rows: 120px;
    }
    .pf-gallery-item--featured { grid-column: span 2; }

    .pf-az-grid { grid-template-columns: repeat(6, 1fr); }
    .pf-related-grid { grid-template-columns: 1fr; }

    .pf-page-title { font-size: 1.5rem; }
    .pf-single-title { font-size: 1.5rem; }
}

/* ==========================================================================
   PRINT
   ========================================================================== */
@media print {
    .pf-filter-bar,
    .pf-cta-btn,
    .pf-back-btn,
    .pf-gallery-overlay,
    .pf-img-badge-glass { display: none !important; }
    .pf-single-body { grid-template-columns: 1fr; }
}