/* ═══════════════════════════════════════════════════════
   DR. ZEE POOLS — Projects / Portfolio Pages
   Extends the design system from style.css
   ═══════════════════════════════════════════════════════ */

/* ─── Force scrolled header on subpages ─────────────── */
.page-subpage .site-header {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 0.6rem 0;
}

.page-subpage .site-header .nav-link,
.page-subpage .site-header .phone-link {
    color: var(--color-text);
}

.page-subpage .site-header .nav-link:hover,
.page-subpage .site-header .phone-link:hover {
    color: var(--color-primary);
}

.page-subpage .site-header .nav-link:hover,
.page-subpage .site-header .nav-link.active {
    background: var(--color-primary-ultra-light);
    color: var(--color-primary);
}

.page-subpage .site-header .header-logo img {
    height: 42px;
}

.page-subpage .site-header .mobile-toggle span {
    background: var(--color-dark);
}


/* ═══════════════════════════════════════════════════════
   PAGE HERO (Compact — no full-height)
   ═══════════════════════════════════════════════════════ */
.page-hero {
    padding: 10rem 0 6rem;
    background: linear-gradient(135deg, var(--color-dark) 0%, #0f2a3d 50%, var(--color-primary-dark) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 181, 214, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(232, 168, 56, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero .section-label {
    color: var(--color-primary-light);
}

.page-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.page-hero-title em {
    font-style: italic;
    color: var(--color-primary-light);
}

.page-hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}


/* ═══════════════════════════════════════════════════════
   FILTER BAR
   ═══════════════════════════════════════════════════════ */
.filter-section {
    padding: 0;
    position: relative;
    z-index: 10;
    height: 0;
    overflow: visible;
}

.filter-bar {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    padding: 1.25rem 2rem;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
    transform: translateY(-50%);
}

.filter-btn {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.55rem 1.35rem;
    border-radius: 50px;
    border: 2px solid var(--color-border);
    background: var(--color-white);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-ultra-light);
}

.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}


/* ═══════════════════════════════════════════════════════
   PROJECTS GRID
   ═══════════════════════════════════════════════════════ */
.projects-section {
    padding: 7rem 0 var(--section-padding);
    background: var(--color-surface);
    min-height: 500px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.projects-count {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.projects-count strong {
    color: var(--color-dark);
}


/* ─── Project Card ───────────────────────────────────── */
.project-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(26, 139, 179, 0.2);
}

.project-card-img {
    position: relative;
    height: 260px;
    overflow: hidden;
}

.project-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.project-card-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-white);
    background: rgba(13, 27, 42, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
}

.project-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-card-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.project-card-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-top: auto;
}

.project-card-meta svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.project-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
}

.project-card-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    background: var(--color-primary-ultra-light);
    color: var(--color-primary);
}


/* ─── Loading Skeleton ──────────────────────────────── */
.skeleton-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.skeleton-img {
    height: 260px;
    background: linear-gradient(90deg, #eef1f5 25%, #e2e8f0 50%, #eef1f5 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-body {
    padding: 1.5rem;
}

.skeleton-line {
    height: 14px;
    border-radius: 8px;
    background: linear-gradient(90deg, #eef1f5 25%, #e2e8f0 50%, #eef1f5 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    margin-bottom: 0.75rem;
}

.skeleton-line.w-70 {
    width: 70%;
}

.skeleton-line.w-90 {
    width: 90%;
}

.skeleton-line.w-50 {
    width: 50%;
}

.skeleton-line.w-40 {
    width: 40%;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}


/* ─── Empty State ──────────────────────────────────── */
.projects-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 5rem 2rem;
}

.projects-empty-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-primary-ultra-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.projects-empty-icon svg {
    color: var(--color-primary);
}

.projects-empty h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.projects-empty p {
    color: var(--color-text-muted);
    font-size: 1rem;
}


/* ═══════════════════════════════════════════════════════
   SINGLE PROJECT — DETAIL PAGE
   ═══════════════════════════════════════════════════════ */

/* ─── Project Top Bar (Back + Breadcrumb) ────────────── */
.project-topbar {
    padding-top: var(--header-height, 5rem);
    background: var(--color-surface);
}

.project-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    padding: 0.35rem 1rem 0.35rem 0.75rem;
    border-radius: 50px;
    border: 1.5px solid var(--color-border);
    background: var(--color-white);
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.back-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-ultra-light);
    color: var(--color-primary-dark);
    transform: translateX(-3px);
}

.back-btn svg {
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.back-btn:hover svg {
    transform: translateX(-2px);
}

.breadcrumb-path {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.breadcrumb-path a {
    color: var(--color-text-muted);
    font-weight: 500;
    transition: var(--transition);
}

.breadcrumb-path a:hover {
    color: var(--color-primary);
}

.breadcrumb-path svg {
    color: #94a3b8;
    flex-shrink: 0;
}

.breadcrumb-path span {
    color: var(--color-dark);
    font-weight: 600;
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}


/* ─── Project Detail Hero ────────────────────────────── */
.project-hero {
    position: relative;
    height: 50vh;
    min-height: 320px;
    max-height: 500px;
    overflow: hidden;
}

.project-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(13, 27, 42, 0.85) 100%);
}

.project-hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 3rem;
    z-index: 2;
}

.project-hero-content .container {
    max-width: var(--container-max);
}

.project-hero-type {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.35);
    padding: 0.35rem 1rem;
    border-radius: 50px;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.project-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3.5vw, 2.75rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
}

.project-hero-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.project-hero-location svg {
    flex-shrink: 0;
}


/* ─── Project Info Section ───────────────────────────── */
.project-info {
    padding: 3.5rem 0;
    background: var(--color-white);
}

.project-info-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.project-description h2 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.project-description p {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--color-text-muted);
    white-space: pre-line;
}

.project-sidebar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    position: sticky;
    top: 5rem;
}

.project-sidebar h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 1.25rem;
}

.project-meta-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-meta-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.project-meta-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.project-meta-item strong {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.15rem;
}

.project-meta-item span {
    font-size: 0.95rem;
    color: var(--color-dark);
    font-weight: 500;
}

.project-meta-item .project-card-tags {
    margin-top: 0.25rem;
}

.project-meta-item .project-card-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    background: var(--color-primary-ultra-light);
    color: var(--color-primary);
}

.project-sidebar-cta {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.project-sidebar-cta .btn {
    width: 100%;
    justify-content: center;
}


/* ─── Photo Gallery ──────────────────────────────────── */
.project-gallery-section {
    padding: 0 0 3.5rem;
    background: var(--color-white);
}

.project-gallery-section .section-header {
    margin-bottom: 1.75rem;
}

.project-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.gallery-item {
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item:hover img {
    transform: scale(1.06);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(13, 27, 42, 0);
    transition: background 0.3s ease;
}

.gallery-item:hover::after {
    background: rgba(13, 27, 42, 0.15);
}

.gallery-item-zoom {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    z-index: 2;
    opacity: 0;
    transition: var(--transition);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
}

.gallery-item:hover .gallery-item-zoom {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}


/* ─── Lightbox ───────────────────────────────────────── */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.5rem;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.2rem;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
    left: 1.5rem;
}

.lightbox-next {
    right: 1.5rem;
}

.lightbox-counter {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    font-weight: 500;
}


/* ─── Videos Section ─────────────────────────────────── */
.project-videos-section {
    padding: 0 0 3.5rem;
    background: var(--color-white);
}

.project-videos-section .section-header {
    margin-bottom: 1.75rem;
}

.project-videos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.video-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    aspect-ratio: 16/9;
}

.video-item iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.video-caption {
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}


/* ─── More Projects ──────────────────────────────────── */
.more-projects {
    padding: 3.5rem 0;
    background: var(--color-surface);
}

.more-projects .section-header {
    margin-bottom: 1.75rem;
}

.more-projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}


/* ═══════════════════════════════════════════════════════
   RESPONSIVE — TABLET
   ═══════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-info-grid {
        gap: 2.5rem;
    }

    .project-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .more-projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-videos-grid {
        grid-template-columns: 1fr;
    }
}


/* ═══════════════════════════════════════════════════════
   RESPONSIVE — MOBILE
   ═══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .page-hero {
        padding: 8rem 0 3.5rem;
    }

    .filter-bar {
        padding: 1rem 1.25rem;
        gap: 0.4rem;
        border-radius: var(--radius-lg);
    }

    .filter-btn {
        font-size: 0.78rem;
        padding: 0.45rem 1rem;
    }

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

    .project-card-img {
        height: 220px;
    }

    .project-hero {
        height: 45vh;
        min-height: 300px;
    }

    .project-hero-content {
        padding: 2rem 1.25rem;
    }

    .project-info-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .project-sidebar {
        position: static;
    }

    .project-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .gallery-item-zoom {
        display: none;
    }

    .project-videos-grid {
        grid-template-columns: 1fr;
    }

    .more-projects-grid {
        grid-template-columns: 1fr;
    }

    .lightbox-nav {
        width: 40px;
        height: 40px;
    }

    .lightbox-prev {
        left: 0.75rem;
    }

    .lightbox-next {
        right: 0.75rem;
    }

    .breadcrumb-path {
        display: none;
    }
}