/* ==============================================
   RINCÓN DEL SABER — Video Grid + Modal
   Clínica Ángeles de la Salud
   ============================================== */

/* -----------------------------------------------
   SECCIÓN PRINCIPAL
   ----------------------------------------------- */
.rincon-section {
    padding: 70px 0 80px;
    background: #ffffff;
}

.rincon-header {
    text-align: center;
    margin-bottom: 50px;
}

.rincon-header h2 {
    font-size: clamp(1.7rem, 4vw, 2.3rem);
    color: #cc0b2f;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.rincon-header h2 i {
    font-size: 0.9em;
    opacity: 0.85;
}

.rincon-header p {
    color: #475569;
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    line-height: 1.75;
    max-width: 680px;
    margin: 0 auto;
}

/* -----------------------------------------------
   SKELETON LOADER (mientras carga el fetch)
   ----------------------------------------------- */
.rincon-skeleton-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-bottom: 40px;
}

.rincon-skeleton-card {
    background: #f1f5f9;
    border-radius: 16px;
    overflow: hidden;
    animation: rinconPulse 1.5s ease-in-out infinite;
}

.rincon-skeleton-thumb {
    width: 100%;
    padding-bottom: 56.25%;
    background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: rinconShimmer 1.5s ease-in-out infinite;
}

.rincon-skeleton-info {
    padding: 14px 16px;
}

.rincon-skeleton-line {
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: rinconShimmer 1.5s ease-in-out infinite;
    margin-bottom: 8px;
}

.rincon-skeleton-line:last-child {
    width: 60%;
    margin-bottom: 0;
}

@keyframes rinconShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes rinconPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* -----------------------------------------------
   GRID DE VIDEOS (6 videos, 3×2)
   ----------------------------------------------- */
.rincon-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-bottom: 44px;
}

/* -----------------------------------------------
   CARD DE VIDEO
   ----------------------------------------------- */
.rincon-video-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(204, 11, 47, 0.07), 0 1px 6px rgba(0,0,0,0.06);
    border: 1px solid rgba(204, 11, 47, 0.09);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.rincon-video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 36px rgba(204, 11, 47, 0.14), 0 4px 12px rgba(0,0,0,0.08);
}

/* Wrapper del iframe (ratio 16:9) */
.rincon-video-thumb {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    background: #0f0f0f;
    overflow: hidden;
    cursor: pointer;
}

/* Thumbnail de YouTube (lazy reveal) */
.rincon-video-thumb img.yt-thumb {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease, opacity 0.35s ease;
    opacity: 0;
}

.rincon-video-thumb img.yt-thumb.loaded {
    opacity: 1;
}

.rincon-video-card:hover .rincon-video-thumb img.yt-thumb {
    transform: scale(1.04);
}

/* Overlay de play */
.rincon-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.28);
    transition: background 0.3s ease;
    z-index: 2;
}

.rincon-video-card:hover .rincon-play-overlay {
    background: rgba(204, 11, 47, 0.35);
}

.rincon-play-btn {
    width: 52px;
    height: 52px;
    background: rgba(255,255,255,0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    transition: transform 0.25s ease, background 0.25s ease;
}

.rincon-play-btn i {
    color: #cc0b2f;
    font-size: 1.1rem;
    margin-left: 3px; /* compensar ojo visual del ícono play */
}

.rincon-video-card:hover .rincon-play-btn {
    transform: scale(1.15);
    background: #ffffff;
}

/* iframe real (oculto hasta que el usuario hace click) */
.rincon-video-thumb iframe.yt-iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    display: none;
    z-index: 3;
}

.rincon-video-thumb.playing iframe.yt-iframe {
    display: block;
}

.rincon-video-thumb.playing .rincon-play-overlay,
.rincon-video-thumb.playing img.yt-thumb {
    display: none;
}

/* Info de la card */
.rincon-video-info {
    padding: 14px 18px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.rincon-video-titulo {
    font-size: 0.88rem;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.rincon-video-fecha {
    font-size: 0.75rem;
    color: #94a3b8;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.rincon-video-fecha i {
    font-size: 0.7rem;
    color: #cc0b2f;
}

/* -----------------------------------------------
   BOTÓN "VER TODOS LOS VIDEOS"
   ----------------------------------------------- */
.rincon-ver-todos-wrap {
    display: flex;
    justify-content: center;
    margin-top: 8px;
}

.rincon-ver-todos-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #cc0b2f 0%, #9b0824 100%);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    padding: 15px 38px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 6px 24px rgba(204, 11, 47, 0.35);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.rincon-ver-todos-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.rincon-ver-todos-btn:hover::before {
    opacity: 1;
}

.rincon-ver-todos-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(204, 11, 47, 0.45);
}

.rincon-ver-todos-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 18px rgba(204, 11, 47, 0.35);
}

.rincon-ver-todos-btn .btn-count {
    background: rgba(255,255,255,0.22);
    border-radius: 20px;
    padding: 2px 9px;
    font-size: 0.82rem;
    font-weight: 700;
}

/* -----------------------------------------------
   MODAL "TODOS LOS VIDEOS"
   ----------------------------------------------- */
.rincon-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 12, 20, 0.82);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 9000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 30px 16px 40px;
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.rincon-modal-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

.rincon-modal-box {
    background: #ffffff;
    border-radius: 24px;
    width: 100%;
    max-width: 1100px;
    padding: 36px 36px 40px;
    box-shadow: 0 25px 80px rgba(0,0,0,0.35);
    transform: translateY(28px) scale(0.97);
    transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
}

.rincon-modal-overlay.visible .rincon-modal-box {
    transform: translateY(0) scale(1);
}

.rincon-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 2px solid #fef2f2;
}

.rincon-modal-title {
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    font-weight: 800;
    color: #cc0b2f;
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
}

.rincon-modal-close {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid #fecaca;
    background: #fff5f5;
    color: #cc0b2f;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
}

.rincon-modal-close:hover {
    background: #cc0b2f;
    color: #ffffff;
    transform: rotate(90deg);
}

/* Grid dentro del modal */
.rincon-modal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* -----------------------------------------------
   RESPONSIVE
   ----------------------------------------------- */

/* Tablet */
@media (max-width: 900px) {
    .rincon-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

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

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

    .rincon-modal-box {
        padding: 24px 20px 28px;
    }
}

/* Móvil */
@media (max-width: 580px) {
    .rincon-section {
        padding: 48px 0 60px;
    }

    .rincon-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .rincon-skeleton-grid {
        grid-template-columns: 1fr;
    }

    .rincon-modal-grid {
        grid-template-columns: 1fr;
    }

    .rincon-modal-overlay {
        padding: 16px 10px 30px;
    }

    .rincon-modal-box {
        padding: 20px 14px 24px;
        border-radius: 18px;
    }

    .rincon-ver-todos-btn {
        font-size: 0.92rem;
        padding: 13px 28px;
    }

    .rincon-play-btn {
        width: 44px;
        height: 44px;
    }
}

/* -----------------------------------------------
   ANIMACIONES DE ENTRADA PARA CARDS
   ----------------------------------------------- */
.rincon-video-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.45s ease, transform 0.45s ease,
                box-shadow 0.3s ease; /* box-shadow para hover */
}

.rincon-video-card.in-view {
    opacity: 1;
    transform: translateY(0);
}