/* ============================================================
   galeria.css — Estilos exclusivos de galeria.html
   Clinidental v2
   ============================================================ */


/* ── FILTROS ────────────────────────────────────────────────── */

.galeria-filtros {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.filtro-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.2rem;
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    font-weight: 600;
    border-radius: var(--radius-round);
    border: 1px solid var(--color-border-soft);
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.filtro-btn:hover {
    border-color: rgba(0,212,255,0.3);
    color: var(--color-primary);
    background: rgba(0,212,255,0.05);
}

.filtro-btn.active {
    background: rgba(0,212,255,0.12);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 16px rgba(0,212,255,0.15);
}

.filtro-btn i { font-size: 0.8rem; }


/* ── GRID DE CASOS ──────────────────────────────────────────── */

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

@media (max-width: 900px) { .galeria-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .galeria-grid { grid-template-columns: 1fr; } }

/* Animación de filtrado */
.caso-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border-soft);
    cursor: pointer;
    transition: transform var(--transition),
                box-shadow var(--transition),
                border-color var(--transition),
                opacity 0.3s ease;
}

.caso-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-cyan);
    border-color: rgba(0,212,255,0.25);
}

.caso-card.oculto {
    display: none;
}

/* Imagen / Placeholder */
.caso-img-wrap {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

/* Imagen real — cuando el Dr. las mande */
.caso-img-wrap img {
    width: 100%; height: 100%;
    object-fit: cover;
    will-change: transform;
    transform: translateZ(0);
    transition: transform 0.4s ease;
}

.caso-card:hover .caso-img-wrap img { transform: scale(1.04) translateZ(0); }

/* Placeholder mientras no hay foto */
.caso-placeholder {
    width: 100%; height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
}

.caso-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 24px 24px;
}

.caso-placeholder--cyan {
    background: linear-gradient(135deg, rgba(0,212,255,0.06), rgba(0,212,255,0.12));
    border-bottom: 1px solid rgba(0,212,255,0.15);
}

.caso-placeholder--violet {
    background: linear-gradient(135deg, rgba(124,58,237,0.06), rgba(124,58,237,0.12));
    border-bottom: 1px solid rgba(124,58,237,0.15);
}

.caso-placeholder--green {
    background: linear-gradient(135deg, rgba(0,255,136,0.05), rgba(0,255,136,0.10));
    border-bottom: 1px solid rgba(0,255,136,0.12);
}

.caso-placeholder i {
    position: relative;
    font-size: 2.5rem;
    opacity: 0.25;
}

.caso-placeholder--cyan i   { color: var(--color-primary); }
.caso-placeholder--violet i { color: var(--color-secondary-light); }
.caso-placeholder--green i  { color: var(--color-accent); }

.caso-placeholder span {
    position: relative;
    font-size: var(--fs-sm);
    font-weight: 600;
    opacity: 0.5;
    color: var(--color-text);
}

.caso-placeholder small {
    position: relative;
    font-size: var(--fs-xs);
    opacity: 0.3;
    color: var(--color-text-muted);
}

/* Overlay hover con botón de zoom */
.caso-overlay {
    position: absolute;
    inset: 0;
    background: rgba(7,13,26,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
    backdrop-filter: blur(2px);
}

.caso-card:hover .caso-overlay { opacity: 1; }

.caso-zoom {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: rgba(0,212,255,0.15);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    transform: scale(0.8);
}

.caso-card:hover .caso-zoom {
    transform: scale(1);
    box-shadow: var(--glow-cyan);
}

.caso-zoom:hover {
    background: var(--color-primary);
    color: var(--color-bg);
}

/* Info del caso */
.caso-info {
    padding: var(--space-sm) var(--space-md) var(--space-md);
}

.caso-tag {
    display: inline-flex;
    align-items: center;
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-round);
    margin-bottom: 0.5rem;
}

.caso-tag--cyan {
    color: var(--color-primary);
    background: rgba(0,212,255,0.10);
    border: 1px solid rgba(0,212,255,0.20);
}

.caso-tag--violet {
    color: var(--color-secondary-light);
    background: rgba(124,58,237,0.10);
    border: 1px solid rgba(124,58,237,0.20);
}

.caso-tag--green {
    color: var(--color-accent);
    background: rgba(0,255,136,0.08);
    border: 1px solid rgba(0,255,136,0.18);
}

.caso-info h3 {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.3rem;
    line-height: 1.3;
}

.caso-info p {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.5;
}


/* ── EMPTY STATE ────────────────────────────────────────────── */

.galeria-empty {
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-text-dim);
}

.galeria-empty i {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
    display: block;
    opacity: 0.3;
}

.galeria-empty p { margin: 0; }


/* ── CTA FOTOS ──────────────────────────────────────────────── */

.galeria-cta-fotos-inner {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-xl);
    text-align: left;
}

.galeria-cta-fotos-icon {
    width: 72px; height: 72px;
    border-radius: var(--radius-lg);
    background: rgba(0,212,255,0.08);
    border: 1px solid rgba(0,212,255,0.20);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.galeria-cta-fotos-inner h3 {
    font-size: var(--fs-lg);
    color: var(--color-white);
    margin-bottom: 0.4rem;
}

.galeria-cta-fotos-inner p {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.galeria-cta-fotos-inner .btn { flex-shrink: 0; }

@media (max-width: 768px) {
    .galeria-cta-fotos-inner {
        flex-direction: column;
        text-align: center;
        padding: var(--space-md);
    }
}


/* ── LIGHTBOX DE GALERÍA ────────────────────────────────────── */

.galeria-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.galeria-lightbox.open { display: flex; }

.galeria-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4,9,18,0.95);
    backdrop-filter: blur(12px);
    cursor: pointer;
    animation: fadeIn 0.2s ease;
}

.galeria-lightbox-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s cubic-bezier(0.34,1.56,0.64,1);
    box-shadow: var(--shadow-lg), var(--shadow-cyan);
}

.galeria-lightbox-close {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--color-text-muted);
    font-size: 1rem;
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition);
    z-index: 2;
}

.galeria-lightbox-close:hover {
    background: var(--color-coral);
    border-color: var(--color-coral);
    color: #fff;
    transform: rotate(90deg);
}

.galeria-lightbox-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.galeria-lightbox-img-wrap img {
    width: 100%; height: 100%;
    object-fit: cover;
}

.galeria-lightbox-placeholder {
    width: 100%; height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: rgba(0,212,255,0.05);
    border: 1px dashed rgba(0,212,255,0.2);
    border-radius: var(--radius-lg);
}

.galeria-lightbox-placeholder i {
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.3;
}

.galeria-lightbox-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: var(--space-sm);
}

.galeria-lightbox-tipo {
    display: inline-flex;
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: rgba(0,212,255,0.10);
    border: 1px solid rgba(0,212,255,0.20);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-round);
    margin-bottom: var(--space-sm);
    width: fit-content;
}

.galeria-lightbox-titulo {
    font-size: var(--fs-xl);
    color: var(--color-white);
    margin-bottom: var(--space-sm);
    line-height: 1.2;
}

.galeria-lightbox-desc {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .galeria-lightbox-content {
        grid-template-columns: 1fr;
        padding: var(--space-md);
    }
    .galeria-lightbox-img-wrap { aspect-ratio: 16/10; }
    .galeria-lightbox-titulo { font-size: var(--fs-lg); }
}