/* ============================================================
   PHOTOGRAPHY SUBPAGE
   ============================================================ */

/* --- Subpage Header (shared pattern) --- */
.subpage-header {
    padding-top: clamp(7rem, 16vh, 10rem);
    padding-bottom: clamp(2.5rem, 5vh, 4rem);
}

.subpage-back {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 3rem;
    transition: color 0.3s ease;
}

.subpage-back:hover {
    color: var(--accent);
}

.subpage-back svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    transition: transform 0.3s ease;
}

.subpage-back:hover svg {
    transform: translateX(-4px);
}

.subpage-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 9vw, 7rem);
    font-weight: 700;
    line-height: 0.92;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.subpage-title .accent {
    color: var(--accent);
}

.subpage-desc {
    font-size: clamp(0.9rem, 1.5vw, 1.05rem);
    font-weight: 300;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.7;
}

.subpage-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.subpage-meta-item {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-tertiary);
}

.subpage-meta-item span {
    color: var(--text-secondary);
    font-weight: 400;
    margin-left: 0.4rem;
}

/* --- Ticker --- */
.ph-ticker {
    overflow: hidden;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 0.85rem 0;
    margin-bottom: clamp(2.5rem, 6vh, 4rem);
}

.ph-ticker-inner {
    display: flex;
    mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 6%, black 94%, transparent);
}

.ph-ticker-track {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-shrink: 0;
    white-space: nowrap;
    animation: phTicker 24s linear infinite;
    font-family: var(--font-heading);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--text-tertiary);
}

.ph-ticker-dot {
    color: var(--accent);
    opacity: 0.55;
    font-size: 0.45rem;
}

@keyframes phTicker {
    from { transform: translateX(0); }
    to { transform: translateX(-100%); }
}

@media (prefers-reduced-motion: reduce) {
    .ph-ticker-track {
        animation: none;
    }
}

/* --- Gallery --- */
.ph-gallery {
    padding-bottom: clamp(4rem, 10vh, 7rem);
    padding-top: clamp(1rem, 2vh, 2rem);
}

.ph-gallery-inner {
    display: flex;
    flex-direction: column;
    gap: clamp(2rem, 4vw, 3.5rem);
}

/* ── Single photo item ── */
.ph-item {
    cursor: zoom-in;
}

.ph-item-img-wrap {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    transition: border-color 0.4s ease, box-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1), transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.ph-item-img-wrap:hover {
    border-color: var(--border-hover);
    box-shadow: 0 20px 56px rgba(0, 0, 0, 0.13);
    transform: translateY(-4px);
}

[data-theme="dark"] .ph-item-img-wrap:hover {
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

/* ── Image — never cropped, always intrinsic ratio ── */
.ph-item-img-wrap img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(25%) contrast(1.04);
    transition: filter 0.6s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.ph-item-img-wrap:hover img {
    filter: grayscale(0%) contrast(1);
    transform: scale(1.015);
}

/* ── Hover overlay ── */
.ph-item-overlay {
    position: absolute;
    inset: auto 0 0 0;
    padding: clamp(1.25rem, 3vw, 2rem);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.72) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.4s ease, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.ph-item-img-wrap:hover .ph-item-overlay {
    opacity: 1;
    transform: translateY(0);
}

.ph-item-label {
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
}

.ph-item-overlay--gold .ph-item-label {
    color: #c9a227;
}

.ph-item-overlay--cyan .ph-item-label {
    color: #0d9488;
}

[data-theme="light"] .ph-item-overlay--cyan .ph-item-label {
    color: #0f766e;
}

.ph-item-title {
    font-family: var(--font-heading);
    font-size: clamp(1.3rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    color: #fff;
}

/* ── Caption below image ── */
.ph-item-caption {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-top: 0.85rem;
    padding: 0 0.15rem;
}

.ph-item-num {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 700;
    letter-spacing: -0.06em;
    line-height: 1;
    color: var(--text-primary);
    opacity: 0.06;
    flex-shrink: 0;
}

.ph-item-desc {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    border-left: 1px solid var(--border);
    padding-left: 0.9rem;
}

/* ── Duo row: 02 + 03 side by side ── */
.ph-duo {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

@media (min-width: 680px) {
    .ph-duo {
        grid-template-columns: 1fr 1fr;
    }
}

/* --- Lightbox --- */
.ph-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.ph-lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.ph-lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 6px;
}

.ph-lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.ph-lightbox-close:hover {
    background: var(--accent);
    border-color: var(--accent);
}