/* ========================================
   OKPW — Project Zoom Transition
   ======================================== */

/* ── Zoom overlay ── */
.project-zoom-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 9999;
    pointer-events: none;
    overflow: hidden;
}
.project-zoom-clone {
    position: absolute;
    background: var(--charcoal-light);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.7s cubic-bezier(0.65, 0, 0.35, 1);
    display: flex; align-items: center; justify-content: center;
}
.project-zoom-clone.zooming {
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    border-radius: 0;
}
.project-zoom-clone span {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: rgba(255,255,255,0.15);
    letter-spacing: 0.05em;
    transition: all 0.5s var(--ease-out-expo);
}
.project-zoom-clone.zooming span {
    font-size: 3rem;
    color: rgba(255,255,255,0.6);
}

/* ── Project detail page ── */
.project-page {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 9990;
    background: var(--white);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease 0.5s;
}
.project-page.active {
    opacity: 1;
    visibility: visible;
}

.project-page-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    background: var(--charcoal-light);
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}
.project-page-hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(26,26,26,0.85) 0%, rgba(26,26,26,0.2) 60%, transparent 100%);
}
.project-page-hero-content {
    position: relative;
    z-index: 2;
    padding: 48px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}
.project-page-year {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--olive-light);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.project-page-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}
.project-page-type {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.5);
}

/* Back button */
.project-back {
    position: fixed;
    top: 24px; left: 24px;
    z-index: 9991;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: rgba(26,26,26,0.8);
    backdrop-filter: blur(10px);
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.4s var(--ease-out-expo) 0.7s;
    border: 1px solid rgba(255,255,255,0.1);
}
.project-page.active .project-back {
    opacity: 1;
    transform: translateX(0);
}
.project-back:hover {
    background: var(--olive);
    border-color: var(--olive);
}

/* Project page body */
.project-page-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 64px 24px 80px;
}
.project-page-body h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--charcoal);
}
.project-page-body p {
    font-size: 1rem;
    color: var(--gray-500);
    line-height: 1.8;
    margin-bottom: 24px;
}

.project-details-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
}
.project-detail-item {
    text-align: center;
    padding: 24px;
    background: var(--gray-50);
    border-radius: 12px;
    border: 1px solid var(--gray-200);
}
.project-detail-item strong {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--olive);
    margin-bottom: 6px;
}
.project-detail-item span {
    font-size: 0.95rem;
    color: var(--charcoal);
    font-weight: 500;
}

.project-gallery-placeholder {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 40px 0;
}
.project-gallery-placeholder div {
    height: 200px;
    background: var(--gray-100);
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--gray-400);
}

.project-cta {
    text-align: center;
    padding: 48px;
    background: var(--charcoal);
    border-radius: 20px;
    margin-top: 48px;
}
.project-cta h3 {
    color: var(--white) !important;
    margin-bottom: 12px;
}
.project-cta p {
    color: rgba(255,255,255,0.5) !important;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .project-page-hero { height: 45vh; min-height: 300px; }
    .project-page-hero-content { padding: 32px 24px; }
    .project-details-grid { grid-template-columns: 1fr; }
    .project-gallery-placeholder { grid-template-columns: 1fr; }
    .project-about-layout { grid-template-columns: 1fr !important; }
}

/* ── Project Gallery ── */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 32px;
}
.project-gallery-item {
    border-radius: 8px;
    overflow: hidden;
    background: #f5f5f5;
}
.project-gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    cursor: pointer;
    transition: transform 0.3s ease;
}
.project-gallery-item img:hover {
    transform: scale(1.03);
}
@media (max-width: 600px) {
    .project-gallery { grid-template-columns: 1fr; }
}

/* ── Project Slider (Next Project) ── */
.project-slider {
    padding: 48px 32px 64px;
    background: #f5f5f5;
}
.project-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.project-slider-header h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: #1A1A1A;
    margin: 0;
}
.project-slider-arrows {
    display: flex;
    gap: 8px;
}
.slider-arrow {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid #1A1A1A;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
.slider-arrow:hover {
    background: #1A1A1A;
    color: white;
}
.slider-arrow:hover svg { stroke: white; }
.project-slider-track {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 8px;
}
.project-slider-track::-webkit-scrollbar { display: none; }
.project-slider-card {
    flex: 0 0 260px;
    scroll-snap-align: start;
    border-radius: 12px;
    overflow: hidden;
    background: white;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.project-slider-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.project-slider-placeholder {
    height: 180px;
    background: linear-gradient(135deg, #1A1A1A 0%, #333 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}
.project-slider-placeholder span {
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.project-slider-info {
    padding: 16px;
}
.project-slider-info h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    margin: 0 0 4px;
    color: #1A1A1A;
}
.project-slider-info p {
    font-size: 0.8rem;
    color: #777;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.project-slider-type {
    margin-top: 4px !important;
    font-size: 0.75rem !important;
    color: #556B2F !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
}
@media (max-width: 600px) {
    .project-slider { padding: 32px 16px 48px; }
    .project-slider-card { flex: 0 0 220px; }
    .project-slider-placeholder { height: 140px; }
}