/* ============================================
   I SEMINARIO INTERNACIONAL DE ARTILLERÍA MILITAR
   Military-Tech Theme CSS - Versión Pergamino & Dorado
   ============================================ */

/* CSS Variables */
:root {
    --color-primary: #EFE9DF;
    --color-secondary: #E3DBCF;
    --color-accent-gold: #B88E4C;
    --color-accent-gold-bright: #D1A762;
    --color-accent-blue: #00529B;
    --color-text-main: #1A1D20;
    --color-white: #FFFFFF;
    --color-gray-muted: #5A5E66;
    --color-gray-dark: #2C323B;
    --color-success: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;
    --font-heading: 'Cinzel', serif;
    --font-body: 'Montserrat', 'Inter', sans-serif;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(184, 142, 76, 0.4);
    --glass-blur: 15px;
    --glow-gold: 0 4px 20px rgba(184, 142, 76, 0.25);
    --glow-blue: 0 4px 20px rgba(0, 82, 155, 0.25);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box !important;
}

html, body {
    max-width: 100vw !important;
    overflow-x: hidden !important;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-primary);
    color: var(--color-text-main);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.5px;
}

h1 { font-size: 2.5rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 1.5rem; color: var(--color-accent-gold); }
h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--color-text-main); }
p { color: var(--color-gray-muted); margin-bottom: 1rem; }

a {
    color: var(--color-accent-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover { color: var(--color-accent-gold); }

/* Glassmorphism Card Base */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: rgba(239, 233, 223, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

#hamburger-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-main);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 9999 !important;
    position: relative;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo img { height: 50px; width: auto; }
.navbar-links { display: flex; gap: 2rem; list-style: none; }
.navbar-links a { color: var(--color-text-main); font-weight: 600; transition: color 0.3s ease; }
.navbar-links a:hover { color: var(--color-accent-gold); }

.navbar-cta {
    background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-gold-bright));
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.navbar-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-gold);
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    padding: 120px 2rem 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: linear-gradient(
        rgba(239, 233, 223, 0.55), 
        rgba(239, 233, 223, 0.75)
    ), url('../images/bannerSeminario.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.hero-content { max-width: 900px; }
.hero-logos img { height: 100px; margin-bottom: 1.5rem; }
.hero-title { font-size: 3rem; color: var(--color-text-main); text-transform: uppercase; margin-bottom: 0.5rem; }
.hero-subtitle { font-size: 1.25rem; color: var(--color-accent-gold); margin-bottom: 0.5rem; }
.hero-date { font-size: 1.1rem; color: var(--color-gray-muted); margin-bottom: 2rem; }

/* COUNTDOWN */
.countdown {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.countdown-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    min-width: 90px;
}

.countdown-number { font-size: 2rem; font-weight: 700; color: var(--color-accent-blue); }
.countdown-label { font-size: 0.75rem; color: var(--color-gray-muted); text-transform: uppercase; }

/* SECTIONS & GRID */
.section {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header { text-align: center; margin-bottom: 4rem; }
.section-title { font-size: 2.5rem; color: var(--color-accent-gold); margin-bottom: 1rem; }
.section-subtitle { color: var(--color-gray-muted); font-size: 1.1rem; }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.card { padding: 2rem; }
.card-icon { font-size: 2.5rem; margin-bottom: 1.5rem; color: var(--color-accent-gold); }
.card-title { font-size: 1.25rem; margin-bottom: 1rem; color: var(--color-text-main); }

/* AGENDA TABS & TIMELINE */
.tabs { display: flex; justify-content: center; gap: 1rem; margin-bottom: 3rem; }
.tab {
    padding: 0.75rem 2rem;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--color-text-main);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.tab.active, .tab:hover {
    background: var(--color-accent-gold);
    color: var(--color-white);
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem !important;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item { padding: 1.5rem; }
.timeline-time { font-size: 1.1rem; font-weight: 700; color: var(--color-accent-blue); margin-bottom: 0.5rem; }
.timeline-title { font-size: 1.2rem; color: var(--color-text-main); margin-bottom: 0.5rem; }

/* MATERIALES Y OTROS */
.material-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.material-item:last-child { border-bottom: none; }
.material-title { color: var(--color-text-main); font-size: 1.1rem; }
.material-description { color: var(--color-gray-muted); font-size: 0.9rem; margin: 0; }
.material-badge { font-size: 0.85rem; color: var(--color-accent-gold); font-style: italic; }

.institutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    align-items: center;
}

.institution-logo {
    max-width: 100%;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    margin: 0 auto;
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-gold-bright));
    color: var(--color-white);
}

.btn-secondary {
    background: transparent;
    color: var(--color-accent-gold);
    border: 2px solid var(--color-accent-gold);
}

.btn-blue {
    background: linear-gradient(135deg, var(--color-accent-blue), #003B70);
    color: var(--color-white);
}

/* FORMS & ALERTS */
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; margin-bottom: 0.5rem; color: var(--color-gray-muted); font-weight: 500; }
.form-input, .form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: #FFFFFF;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--color-text-main);
    font-size: 1rem;
}

.form-submit {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-gold-bright));
    border: none;
    border-radius: 8px;
    color: var(--color-white);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid;
}

.alert-success { background: rgba(16, 185, 129, 0.1); border-color: var(--color-success); color: var(--color-success); }
.alert-warning { background: rgba(245, 158, 11, 0.1); border-color: var(--color-warning); color: var(--color-warning); }

/* ============================================
   ESTILOS CORREGIDOS DEL CHAT
   ============================================ */

/* Contenedor Flex: 2 Columnas para PC */
.chat-container {
    display: flex !important;
    flex-direction: row !important;
    gap: 2rem !important;
    align-items: flex-start !important;
    width: 100% !important;
}

/* Columna Izquierda: Mensajes con Scroll Fijo */
.chat-messages-wrapper {
    flex: 1 !important;
    background: var(--color-primary) !important;
    border-radius: 8px !important;
    padding: 1.5rem !important;
    height: 450px !important;
    max-height: 450px !important;
    overflow-y: scroll !important; /* Barra de Scroll visible */
    overflow-x: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    box-sizing: border-box !important;
}

#chatMessages {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
    min-height: min-content !important;
}

/* Columna Derecha: Sidebar Lateral */
.chat-sidebar {
    width: 300px !important;
    min-width: 300px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 1rem !important;
}

/* FOOTER & MODALS */
.footer {
    background: var(--color-secondary);
    padding: 4rem 2rem 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--color-gray-muted);
}

.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-content {
    background: var(--color-primary);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 3rem;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1rem; right: 1rem;
    background: none; border: none;
    color: var(--color-gray-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

/* EXPOSITORES */
#expositores .expositores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

#expositores .expo-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

#expositores .expo-card h3 {
    color: var(--color-text-main) !important;
}

#expositores .card-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

#expositores .badge-custom {
    padding: 0.35rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
}

#expositores .badge-gold { background: var(--color-accent-gold); color: #FFFFFF; }
#expositores .badge-secondary { background: var(--color-gray-dark); color: #FFFFFF; }
#expositores .badge-info { background: var(--color-accent-blue); color: #FFFFFF; }

#expositores .card-border-top {
    border-top: 1px solid rgba(184, 142, 76, 0.25);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

#expositores .conversatorio-grid {
    margin-top: 3rem;
    padding: 2rem;
    border: 1px solid var(--color-accent-gold);
    background: var(--glass-bg);
    border-radius: 12px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: center;
}

@media (min-width: 992px) {
    #expositores .conversatorio-grid {
        grid-template-columns: 1fr 2fr;
    }
}

#expositores .ponentes-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* RESPONSIVE MÓVIL */
@media (max-width: 992px) {
    .chat-container {
        flex-direction: column !important;
    }
    .chat-sidebar {
        width: 100% !important;
        min-width: 100% !important;
    }
    .chat-messages-wrapper {
        height: 380px !important;
        max-height: 380px !important;
    }
}

@media (max-width: 768px) {
    .navbar { padding: 0.75rem 1rem !important; }
    
    #hamburger-btn {
        display: flex !important;
        flex-direction: column;
        justify-content: space-around;
        width: 35px;
        height: 30px;
    }

    #hamburger-btn span {
        width: 100%;
        height: 3px;
        background-color: var(--color-accent-gold);
        border-radius: 2px;
    }
    
    .navbar-links {
        display: flex !important;
        position: fixed !important;
        top: 0 !important; right: 0 !important;
        width: 80% !important; max-width: 300px !important;
        height: 100vh !important;
        background-color: var(--color-primary) !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 2rem !important;
        z-index: 100000 !important;
        transform: translateX(100%) !important;
        transition: transform 0.3s ease-in-out !important;
        opacity: 0 !important;
    }

    .navbar-links.active {
        transform: translateX(0) !important;
        opacity: 1 !important;
    }

    .hero-title { font-size: 1.8rem; }
    .countdown { gap: 0.5rem; }
    .countdown-item { min-width: 65px; padding: 0.5rem; }
    .countdown-number { font-size: 1.25rem; }
    .section { padding: 4rem 1rem 2rem !important; }
    .cards-grid { grid-template-columns: 1fr !important; }
    .material-item { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

/* EFECTOS HOVER */
.glass-card, 
.card, 
.expo-card, 
.timeline-item {
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), 
                box-shadow 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), 
                border-color 0.3s ease !important;
    will-change: transform, box-shadow;
}

.glass-card:hover, 
.card:hover, 
.expo-card:hover, 
.timeline-item:hover {
    transform: translateY(-6px) scale(1.01) !important;
    border-color: var(--color-accent-gold) !important;
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1), 
                0 0 15px rgba(184, 142, 76, 0.2) !important;
}

img, 
.navbar-logo img, 
.hero-logos img, 
.institution-logo {
    transition: transform 0.4s ease, filter 0.4s ease !important;
    will-change: transform, filter;
}

img:hover, 
.navbar-logo img:hover, 
.hero-logos img:hover, 
.institution-logo:hover {
    transform: translateY(-4px) scale(1.04) !important;
    filter: drop-shadow(0 6px 12px rgba(184, 142, 76, 0.3));
}

.navbar-logo img {
    animation: floatingShield 3s ease-in-out infinite alternate !important;
}

@keyframes floatingShield {
    0% {
        transform: translateY(0px);
        filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.1));
    }
    100% {
        transform: translateY(-5px);
        filter: drop-shadow(0 8px 15px rgba(184, 142, 76, 0.3));
    }
}

/* BOTÓN VER CV */
.btn-cv {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.85rem;
  padding: 0.45rem 0.95rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-accent-blue);
  border: 1px solid var(--color-accent-gold);
  border-radius: 6px;
  background: rgba(184, 142, 76, 0.08);
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-cv:hover {
  background: var(--color-accent-gold);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(184, 142, 76, 0.3);
}

/* ============================================
   ESTILOS PARA PERFIL INTERACTIVO MODAL
   ============================================ */
.speaker-modal-card {
    max-width: 750px !important;
    max-height: 90vh !important;
    padding: 0 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
}

/* Opcional: Personalización de la barra de scroll */
.speaker-modal-card::-webkit-scrollbar {
    width: 6px;
}

.speaker-modal-card::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

.speaker-modal-card::-webkit-scrollbar-thumb {
    background: var(--color-accent-gold);
    border-radius: 4px;
}

.speaker-header-banner {
    position: relative;
    height: 160px;
    background-image: url('../images/banner-speaker.jpg');
    background-size: cover;
    background-position: center;
    border-bottom: 3px solid var(--color-accent-gold);
}

.speaker-header-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(26,29,32,0.85));
}

.speaker-avatar-container {
    position: absolute;
    bottom: -40px;
    left: 2rem;
    z-index: 2;
}

.speaker-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--color-accent-gold);
    object-fit: cover;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    background-color: var(--color-secondary);
}

.speaker-body-content {
    padding: 3rem 2rem 2rem 2rem;
}

.speaker-main-info {
    margin-bottom: 1.5rem;
}

.speaker-badges {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Ajuste optimizado para la imagen de la bandera dentro de los badges */
.speaker-badges img {
    width: 24px;
    height: 16px;
    object-fit: contain;
    vertical-align: middle;
}

.speaker-title {
    font-size: 1.5rem;
    color: var(--color-text-main);
    margin-bottom: 0.25rem;
}

.speaker-subtitle {
    color: var(--color-accent-gold);
    font-weight: 600;
    font-size: 0.95rem;
}

.speaker-tema-box {
    background: rgba(184, 142, 76, 0.08);
    border-left: 4px solid var(--color-accent-gold);
    padding: 1rem;
    border-radius: 6px;
    margin-top: 1rem;
}

.speaker-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.speaker-detail-box {
    background: rgba(255, 255, 255, 0.5);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.speaker-detail-box h4 {
    font-size: 0.95rem;
    color: var(--color-accent-blue);
    margin-bottom: 0.5rem;
}

.speaker-detail-box ul {
    padding-left: 1.2rem;
    font-size: 0.85rem;
    color: var(--color-gray-dark);
}

/* Corrección del botón X para el modal de expositores */
.speaker-modal-card {
    position: relative !important;
}

.speaker-modal-card .modal-close {
    position: absolute !important;
    top: 12px !important;
    right: 12px !important;
    z-index: 9999 !important; /* Superpone el botón por encima del banner */
    background: rgba(0, 0, 0, 0.6) !important;
    color: #ffffff !important;
    border: 1px solid var(--color-accent-gold) !important;
    border-radius: 50% !important;
    width: 35px !important;
    height: 35px !important;
    font-size: 1.5rem !important;
    line-height: 1 !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.2s ease !important;
}

.speaker-modal-card .modal-close:hover {
    background: var(--color-accent-gold) !important;
    color: #000000 !important;
}

/* ==========================================
   SECCIÓN SOBRE EL EVENTO: MULTIMEDIA GRID
   ========================================== */
.evento-multimedia-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* Relleno interno para alejar el contenido del borde del contenedor */
.promo-video-card,
.promo-gallery-card {
    padding: 2rem !important;
    display: flex;
    flex-direction: column;
}

.multimedia-title {
    color: var(--color-accent-gold);
    font-size: 1.35rem;
    margin-bottom: 0.25rem;
    text-align: center;
}

.multimedia-subtitle {
    color: var(--color-gray-muted);
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

/* Reproductor Vertical (9:16) */
.video-responsive-shorts {
    position: relative;
    width: 100%;
    max-width: 300px;
    height: 0;
    padding-bottom: 533px; /* Proporción 9:16 compacta */
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-accent-gold);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.video-responsive-shorts iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Galería Integrada con Scroll Vertical */
.evento-gallery-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 0.75rem;
    max-height: 520px; /* Limita la altura al tamaño del video */
    overflow-y: auto;  /* Permite scroll si hay muchas fotos */
    padding-right: 0.5rem; /* Margen de separación para la barra de scroll */
}

/* Personalización de la barra de scroll */
.evento-gallery-list::-webkit-scrollbar {
    width: 6px;
}

.evento-gallery-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.evento-gallery-list::-webkit-scrollbar-thumb {
    background: var(--color-accent-gold);
    border-radius: 10px;
}

.evento-gallery-list::-webkit-scrollbar-thumb:hover {
    background: #d4af37;
}

/* Adaptación para imágenes Mixtas (Verticales y Horizontales) */
.gallery-photo-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 4 / 3; /* Fuerza una proporción estándar a todas las miniaturas */
    border: 1px solid rgba(197, 160, 89, 0.3);
    cursor: pointer;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.gallery-photo-item:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent-gold);
    box-shadow: 0 5px 15px rgba(197, 160, 89, 0.2);
}

.gallery-photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Recorta la imagen limpiamente al centro sin deformarla */
    object-position: center;
}

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    padding: 0.5rem;
    text-align: center;
}

.photo-overlay span {
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Modal Visor de Imágenes a Pantalla Completa */
#imageViewerModal .modal-content {
    max-width: 90vw;
    max-height: 90vh;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(15, 23, 42, 0.95);
}

#imageViewerModal img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain; /* Muestra la imagen completa (vertical u horizontal) sin recortar */
    border-radius: 8px;
    border: 1px solid var(--color-accent-gold);
}

/* Ajustes Responsivos */
@media (max-width: 992px) {
    .evento-multimedia-grid {
        grid-template-columns: 1fr;
    }
    
    .evento-gallery-list {
        max-height: 400px;
    }
}

/* ==========================================
   SECCIÓN TRANSMISIONES Y MEMORIAS EN VIVO
   ========================================== */
.responsive-video-block {
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.responsive-video-title {
    font-size: 1.3rem;
    margin-bottom: 1.25rem;
    text-align: center;
    color: var(--color-accent-gold);
}

.responsive-video-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.material-item-video {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.video-card-title {
    color: #fff;
    margin: 0;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.video-card-title .fa-youtube {
    color: #ff0000;
}

.video-card-desc {
    color: var(--color-gray-muted);
    font-size: 0.85rem;
    margin: 0;
}

.video-embed-container {
    position: relative;
    padding-bottom: 56.25%; /* Relación de aspecto 16:9 */
    height: 0;
    overflow: hidden;
    width: 100%;
    border-radius: 8px;
    border: 1px solid rgba(197, 160, 89, 0.3);
}

.video-embed-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Adaptación para pantallas medianas y grandes (Tablets/Desktop) */
@media (min-width: 768px) {
    .responsive-video-block {
        padding: 2rem;
    }
    .responsive-video-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    .responsive-video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    .video-card-title {
        font-size: 1.1rem;
    }
}