/*
 * ACADEMY TEMPLATE - CURSO STYLES
 * Diseño profesional para instituciones educativas
 * Enfoque académico serio y confiable
 * Actualizado: 2025-08-07 - Sistema unificado con minimal
 */

/* ========================================
   VARIABLES ACADÉMICAS
======================================== */
:root {
    --academy-primary: #1e3a8a;
    --academy-secondary: #1e40af;
    --academy-accent: #3b82f6;
    --academy-success: #059669;
    --academy-warning: #d97706;
    --academy-danger: #dc2626;
    --academy-dark: #1f2937;
    --academy-light: #f8fafc;
    --academy-white: #ffffff;
    --academy-gray-100: #f1f5f9;
    --academy-gray-200: #e2e8f0;
    --academy-gray-300: #cbd5e1;
    --academy-gray-500: #64748b;
    --academy-gray-700: #334155;
    --academy-gray-900: #0f172a;
    --academy-shadow: rgba(15, 23, 42, 0.08);
    --academy-shadow-lg: rgba(15, 23, 42, 0.15);
    --academy-radius: 8px;
    --academy-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --academy-free: #059669;
}

/* Smooth scrolling global */
html {
    scroll-behavior: auto !important; /* Force instant scroll for JavaScript control */
    overflow-x: hidden;
    overflow-y: auto;
}

body {
    overflow-x: hidden;
    overflow-y: auto;
}

.course-academy-container {
    font-family: var(--academy-font);
    line-height: 1.6;
    color: var(--academy-gray-900);
    background: var(--academy-light);
}

/* ========================================
   BANNER DE URGENCIA PROMINENTE CON CONFIGURACIONES AVANZADAS
======================================== */
.academy-urgency-banner {
    /* background: linear-gradient(135deg, var(--academy-danger), #c0392b); */
    color: white;
    padding: 1rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1000;
}

.academy-urgency-banner.animated {
    animation: urgencyPulse 2s infinite;
}

.academy-urgency-banner.top-urgency {
    position: relative;
}

.academy-urgency-banner.sticky-urgency {
    position: sticky;
    top: 0;
    z-index: 1001;
}

.academy-urgency-banner.bottom-urgency {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1001;
}

.academy-urgency-banner.floating-urgency {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    width: 300px;
    max-width: calc(100vw - 40px);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 1002;
    animation: floatIn 0.5s ease-out;
}

.academy-urgency-banner.floating-urgency .urgency-content-academy {
    padding: 1rem;
    flex-direction: column;
    text-align: center;
    gap: 1rem;
}

.academy-urgency-banner.floating-urgency .urgency-text-academy {
    text-align: center;
}

.academy-urgency-banner.floating-urgency .urgency-text-academy strong {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.academy-urgency-banner.floating-urgency .urgency-text-academy span {
    font-size: 0.9rem;
}

.urgency-close-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.3s ease;
    z-index: 1;
}

.urgency-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.urgency-close-btn:active {
    transform: scale(0.95);
}

@keyframes floatIn {
    0% {
        opacity: 0;
        transform: translateY(-50%) translateX(100%);
    }
    100% {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

@keyframes fadeOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.95);
    }
}

/* Responsivo para floating */
@media (max-width: 768px) {
    .academy-urgency-banner.floating-urgency {
        position: fixed;
        top: auto;
        bottom: 20px;
        right: 20px;
        left: 20px;
        width: auto;
        transform: none;
        border-radius: 6px;
    }
    
    .academy-urgency-banner.floating-urgency .urgency-content-academy {
        flex-direction: row;
        padding: 0.75rem 1rem;
        gap: 1rem;
    }
    
    .academy-urgency-banner.floating-urgency .urgency-text-academy {
        text-align: left;
        flex: 1;
    }
}

.academy-urgency-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 3s infinite;
}

@keyframes urgencyPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(231, 76, 60, 0); }
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.urgency-content-academy {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.urgency-icon-academy {
    font-size: 1.8rem;
    animation: bounce 1s infinite;
    flex-shrink: 0;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.urgency-text-academy {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    text-align: left;
}

.urgency-text-academy strong {
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.urgency-text-academy span {
    font-size: 1rem;
    opacity: 0.95;
}

#urgency-countdown {
    font-family: 'Courier New', monospace;
    font-size: 1.3rem;
    font-weight: bold;
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    margin-top: 0.5rem;
    display: inline-block;
    border: 2px solid rgba(255,255,255,0.3);
    transition: all 0.3s ease;
}

#urgency-countdown.expired {
    background: rgba(255,255,255,0.9);
    color: #e74c3c;
    animation: fadeOut 0.5s ease;
}

.urgency-countdown {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: bold;
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    margin-top: 0.5rem;
    display: inline-block;
    border: 2px solid rgba(255,255,255,0.3);
}

/* ========================================
   HEADER ACADÉMICO
======================================== */
.academy-header {
    background: var(--academy-white);
    border-bottom: 2px solid var(--academy-primary);
    padding: 1.5rem 0;
}

.academy-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.academy-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.breadcrumb-link {
    color: var(--academy-accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: var(--academy-primary);
}

.breadcrumb-separator {
    color: var(--academy-gray-500);
    font-weight: 600;
}

.breadcrumb-current {
    color: var(--academy-gray-700);
    font-weight: 600;
}

/* Badges de Seguridad */
.security-badges-academy {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.security-badge-academy {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--academy-gray-100);
    padding: 0.5rem 1rem;
    border-radius: var(--academy-radius);
    font-size: 0.85rem;
    color: var(--academy-gray-700);
    border: 1px solid var(--academy-gray-200);
    transition: all 0.3s ease;
}

.security-badge-academy:hover {
    background: var(--academy-gray-200);
    transform: translateY(-1px);
}

.security-badge-academy i {
    color: var(--academy-success);
}

/* ========================================
   HERO SECTION ACADÉMICO
======================================== */
.academy-hero {
    background: linear-gradient(135deg, var(--academy-primary), var(--academy-secondary));
    color: white;
    padding: 4rem 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.academy-badges {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.academy-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
}

.academy-badge.new {
    background: rgba(5, 150, 105, 0.2);
    border-color: rgba(5, 150, 105, 0.4);
}

.academy-badge.featured {
    background: rgba(217, 119, 6, 0.2);
    border-color: rgba(217, 119, 6, 0.4);
}

.academy-badge.certified {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
}

.academy-badge.offer {
    background: rgba(220, 38, 38, 0.2);
    border-color: rgba(220, 38, 38, 0.4);
    animation: glow 2s infinite;
}

.academy-badge.free {
    background: rgba(5, 150, 105, 0.2);
    border-color: rgba(5, 150, 105, 0.4);
    color: var(--academy-success);
}

.academy-title {
    font-size: 3rem;
    font-weight: 800;
    margin: 0 0 1.5rem 0;
    line-height: 1.1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.academy-subtitle {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    font-weight: 500;
    opacity: 0.9;
    flex-wrap: wrap;
}

.meta-separator {
    color: rgba(255, 255, 255, 0.6);
    font-weight: bold;
}

.academy-description {
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.instructor-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--academy-radius);
    backdrop-filter: blur(10px);
}

.instructor-avatar-small img,
.avatar-placeholder-small {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-placeholder-small {
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.instructor-label {
    font-size: 0.9rem;
    opacity: 0.8;
    display: block;
}

.instructor-name {
    font-size: 1.1rem;
    font-weight: 700;
}

.course-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--academy-radius);
    backdrop-filter: blur(10px);
}

.stat-item i {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.stat-value {
    font-weight: 700;
    font-size: 1.1rem;
}

/* ========================================
   PREVIEW DEL CURSO
======================================== */
.video-preview-academy,
.image-preview-academy {
    position: relative;
    border-radius: var(--academy-radius);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.video-preview-academy:hover,
.image-preview-academy:hover {
    transform: translateY(-5px);
}

.video-academy-container,
.course-image-academy {
    position: relative;
    cursor: pointer;
}

.video-thumbnail-academy,
.course-image-academy {
    width: 100%;
    height: auto;
    display: block;
}

.video-overlay-academy,
.image-overlay-academy {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(30, 58, 138, 0.8), rgba(30, 64, 175, 0.8));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    text-align: center;
    color: white;
}

.video-academy-container:hover .video-overlay-academy,
.image-preview-academy:hover .image-overlay-academy {
    opacity: 1;
}

.play-button-academy {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border: 3px solid white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.play-button-academy:hover {
    transform: scale(1.1);
}

.video-info-academy h3,
.image-overlay-academy h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
}

.video-info-academy p,
.image-overlay-academy p {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

/* ========================================
   NAVEGACIÓN DE CONTENIDO STICKY
======================================== */
.academy-nav-sticky {
    background: var(--academy-white);
    border-bottom: 1px solid var(--academy-gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px var(--academy-shadow);
}

.nav-tabs {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.nav-tabs::-webkit-scrollbar {
    display: none;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 2rem;
    text-decoration: none;
    color: var(--academy-gray-700);
    font-weight: 600;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: max-content;
}

.nav-tab:hover,
.nav-tab.active {
    color: var(--academy-primary);
    background: var(--academy-gray-100);
    border-bottom-color: var(--academy-primary);
}

.nav-tab i {
    font-size: 1.1rem;
}

/* ========================================
   LAYOUT PRINCIPAL
======================================== */
.academy-main-layout {
    padding: 3rem 0;
}

.layout-academy-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
}

.academy-content {
    background: var(--academy-white);
    border-radius: var(--academy-radius);
    box-shadow: 0 4px 20px var(--academy-shadow);
    overflow: hidden;
}

/* ========================================
   CONTENIDO DE TABS
======================================== */
.tab-content {
    display: none;
    padding: 2.5rem;
}

.tab-content.active {
    display: block;
}

.content-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--academy-gray-200);
}

.content-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--academy-primary);
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0;
}

.content-header i {
    font-size: 1.8rem;
    color: var(--academy-accent);
}

/* ========================================
   OBJETIVOS DE APRENDIZAJE
======================================== */
.learning-objectives-academy h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin-bottom: 1.5rem;
}

.objectives-grid {
    display: grid;
    gap: 1rem;
}

.objective-card {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--academy-gray-100);
    border-radius: var(--academy-radius);
    border-left: 4px solid var(--academy-success);
}

.objective-number {
    width: 40px;
    height: 40px;
    background: var(--academy-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.objective-content {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.objective-content i {
    color: var(--academy-success);
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

.objective-content span {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--academy-gray-700);
}

/* ========================================
   COMPETENCIAS
======================================== */
.competencies-academy {
    margin-top: 3rem;
}

.competencies-academy h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin-bottom: 1.5rem;
}

.competencies-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.competency-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--academy-white);
    border: 1px solid var(--academy-gray-200);
    border-radius: var(--academy-radius);
    box-shadow: 0 2px 8px var(--academy-shadow);
}

.competency-item i {
    font-size: 2rem;
    color: var(--academy-accent);
    margin-top: 0.5rem;
}

.competency-item strong {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--academy-primary);
    display: block;
    margin-bottom: 0.5rem;
}

.competency-item p {
    color: var(--academy-gray-700);
    margin: 0;
    line-height: 1.6;
}

/* ========================================
   MATERIAL ACADÉMICO
======================================== */
.curriculum-materials,
.curriculum-videos,
.curriculum-gallery {
    margin-bottom: 3rem;
}

.curriculum-materials h3,
.curriculum-videos h3,
.curriculum-gallery h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin-bottom: 1.5rem;
}

.materials-content {
    background: var(--academy-gray-100);
    padding: 1.5rem;
    border-radius: var(--academy-radius);
    border-left: 4px solid var(--academy-accent);
    line-height: 1.7;
    color: var(--academy-gray-700);
}

/* ========================================
   VIDEOS ACADÉMICOS
======================================== */
.videos-academy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.video-academy-item {
    background: var(--academy-white);
    border: 1px solid var(--academy-gray-200);
    border-radius: var(--academy-radius);
    overflow: hidden;
    box-shadow: 0 2px 12px var(--academy-shadow);
    transition: transform 0.3s ease;
}

.video-academy-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--academy-shadow-lg);
}

.video-card-academy {
    cursor: pointer;
}

.video-thumbnail-card {
    position: relative;
    overflow: hidden;
}

.video-thumbnail-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card-academy:hover .video-thumbnail-card img {
    transform: scale(1.05);
}

.video-play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card-academy:hover .video-play-overlay {
    opacity: 1;
}

.video-info-card {
    padding: 1.5rem;
}

.video-number {
    background: var(--academy-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-bottom: 0.75rem;
}

.video-info-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin: 0 0 0.5rem 0;
}

.video-info-card p {
    color: var(--academy-gray-700);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   GALERÍA ACADÉMICA
======================================== */
.gallery-academy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.gallery-academy-item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--academy-radius);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-academy-item:hover {
    transform: scale(1.05);
}

.gallery-academy-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(59, 130, 246, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
    font-size: 1.5rem;
}

.gallery-academy-item:hover .gallery-overlay {
    opacity: 1;
}

/* ========================================
   PERFIL DEL INSTRUCTOR
======================================== */
.instructor-academy-profile {
    background: var(--academy-gray-100);
    padding: 2.5rem;
    border-radius: var(--academy-radius);
}

.instructor-academy-header {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
    align-items: center;
}

.instructor-academy-avatar img,
.avatar-placeholder-large {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--academy-primary);
}

.avatar-placeholder-large {
    background: var(--academy-gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--academy-gray-500);
    font-size: 3rem;
}

.instructor-academy-info h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--academy-primary);
    margin-bottom: 1rem;
}

.instructor-credentials {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.credential-badge {
    background: var(--academy-accent);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.instructor-academy-bio {
    margin-bottom: 2rem;
}

.instructor-academy-bio h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin-bottom: 1rem;
}

.bio-content {
    color: var(--academy-gray-700);
    line-height: 1.7;
}

.instructor-academy-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.instructor-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--academy-white);
    border-radius: var(--academy-radius);
    border-left: 4px solid var(--academy-accent);
}

.instructor-stat i {
    font-size: 2rem;
    color: var(--academy-accent);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--academy-primary);
    line-height: 1;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--academy-gray-700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================
   UBICACIÓN ACADÉMICA
======================================== */
.location-academy-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background: var(--academy-gray-100);
    padding: 2.5rem;
    border-radius: var(--academy-radius);
}

.location-details-academy h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin-bottom: 1.5rem;
}

.address-academy,
.mode-academy {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--academy-gray-700);
    font-size: 1.1rem;
}

.address-academy i,
.mode-academy i {
    color: var(--academy-accent);
    font-size: 1.3rem;
}

.location-actions-academy {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.location-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: var(--academy-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.location-btn.primary {
    background: var(--academy-primary);
    color: white;
}

.location-btn.secondary {
    background: var(--academy-accent);
    color: white;
}

.location-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--academy-shadow-lg);
}

.location-map-academy iframe {
    width: 100%;
    height: 300px;
    border: none;
    border-radius: var(--academy-radius);
}

/* ========================================
   REQUISITOS DE ADMISIÓN
======================================== */
.requirements-academy {
    background: var(--academy-gray-100);
    padding: 2rem;
    border-radius: var(--academy-radius);
    border-left: 4px solid var(--academy-warning);
    margin-bottom: 3rem;
}

.requirements-academy h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin-bottom: 1rem;
}

.requirements-content {
    color: var(--academy-gray-700);
    line-height: 1.7;
}

.admission-process h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin-bottom: 2rem;
}

.process-steps {
    display: grid;
    gap: 1.5rem;
}

.step-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--academy-white);
    border: 1px solid var(--academy-gray-200);
    border-radius: var(--academy-radius);
    box-shadow: 0 2px 8px var(--academy-shadow);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--academy-primary), var(--academy-accent));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.3rem;
}

.step-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin: 0 0 0.5rem 0;
}

.step-content p {
    color: var(--academy-gray-700);
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   SIDEBAR DE INSCRIPCIÓN
======================================== */
.academy-enrollment-sidebar {
    position: sticky;
    top: 2rem;
    height: fit-content;
}

.enrollment-card {
    background: var(--academy-white);
    border: 2px solid var(--academy-primary);
    border-radius: var(--academy-radius);
    box-shadow: 0 8px 32px var(--academy-shadow-lg);
    overflow: hidden;
}

/* ========================================
   PRECIO ACADÉMICO
======================================== */
.price-academy-section {
    padding: 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--academy-primary), var(--academy-secondary));
    color: white;
}

.price-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0 0 1.5rem 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.price-original-academy {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.original-amount {
    font-size: 1.3rem;
    text-decoration: line-through;
    opacity: 0.7;
}

.discount-badge {
    background: var(--academy-danger);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.price-current-academy {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.current-amount {
    font-size: 3rem;
    font-weight: 900;
}

.currency-academy {
    font-size: 1.3rem;
    font-weight: 600;
    opacity: 0.9;
}

.price-free-academy {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.free-amount {
    font-size: 3rem;
    font-weight: 900;
    color: var(--academy-free);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.savings-academy {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.8rem;
    border-radius: var(--academy-radius);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Controles de Inscripción y Carrito */
.enrollment-controls {
    padding: 2rem;
    background: var(--academy-white);
}

.quantity-academy-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    background: var(--academy-gray-100);
    border-radius: var(--academy-radius);
    padding: 0.5rem;
}

.qty-academy-btn {
    background: var(--academy-primary);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.qty-academy-btn:hover {
    background: var(--academy-secondary);
    transform: scale(1.1);
}

.qty-academy-btn:active {
    transform: scale(0.95);
}

.qty-academy-input {
    width: 60px;
    text-align: center;
    border: none;
    background: transparent;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--academy-primary);
}

.enroll-academy-btn,
.remove-academy-btn {
    width: 100%;
    padding: 1.2rem 2rem;
    border: none;
    border-radius: var(--academy-radius);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.enroll-academy-btn {
    background: linear-gradient(135deg, var(--academy-primary), var(--academy-secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}

.enroll-academy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.4);
}

.enroll-academy-btn.success {
    background: linear-gradient(135deg, var(--academy-success), #047857);
}

.remove-academy-btn {
    background: var(--academy-gray-200);
    color: var(--academy-gray-700);
    border: 1px solid var(--academy-gray-300);
}

.remove-academy-btn:hover {
    background: var(--academy-danger);
    color: white;
    border-color: var(--academy-danger);
}

/* ========================================
   CONTROLES DE INSCRIPCIÓN
======================================== */
.enrollment-controls {
    padding: 2rem;
    border-bottom: 1px solid var(--academy-gray-200);
}

.quantity-academy-controls {
    display: flex;
    border: 2px solid var(--academy-primary);
    border-radius: var(--academy-radius);
    overflow: hidden;
    margin-bottom: 1rem;
}

.qty-academy-btn {
    background: var(--academy-primary);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.qty-academy-btn:hover {
    background: var(--academy-secondary);
}

.qty-academy-input {
    border: none;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--academy-primary);
    background: var(--academy-white);
    flex: 1;
    min-width: 60px;
}

.remove-academy-btn {
    width: 100%;
    padding: 0.8rem;
    background: var(--academy-danger);
    color: white;
    border: none;
    border-radius: var(--academy-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.remove-academy-btn:hover {
    background: #b91c1c;
}

.enroll-academy-btn {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(135deg, var(--academy-success), #059669);
    color: white;
    border: none;
    border-radius: var(--academy-radius);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.enroll-academy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4);
}

/* ========================================
   BENEFICIOS ACADÉMICOS
======================================== */
.academic-benefits {
    padding: 2rem;
    border-bottom: 1px solid var(--academy-gray-200);
}

.academic-benefits h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin-bottom: 1.5rem;
}

.benefits-list {
    display: grid;
    gap: 1rem;
}

.benefit-academy-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--academy-gray-700);
    font-weight: 500;
}

.benefit-academy-item i {
    color: var(--academy-success);
    font-size: 1.2rem;
}

/* ========================================
   INFORMACIÓN DE CONTACTO
======================================== */
.contact-academy-info {
    padding: 2rem;
    text-align: center;
}

.contact-academy-info h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin-bottom: 1.5rem;
}

.contact-options {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-option {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--academy-accent);
    color: white;
    text-decoration: none;
    border-radius: var(--academy-radius);
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-option:hover {
    background: var(--academy-primary);
    transform: translateY(-1px);
}

/* ========================================
   MODAL DE VIDEO ACADÉMICO
======================================== */
.video-academy-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.95);
}

.academy-modal-content {
    position: relative;
    margin: 3% auto;
    width: 90%;
    max-width: 900px;
    background: var(--academy-white);
    border-radius: var(--academy-radius);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header-academy {
    background: var(--academy-primary);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header-academy h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
}

.academy-modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.academy-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.video-academy-container-modal {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

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

/* ========================================
   RESEÑAS ACADÉMICAS
======================================== */
.course-academy-reviews {
    padding: 4rem 0;
    background: var(--academy-gray-100);
}

.academy-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.academy-section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--academy-primary);
    margin: 0 0 1rem 0;
}

.academy-section-header p {
    font-size: 1.2rem;
    color: var(--academy-gray-600);
    margin: 0;
}

.reviews-stats-academy {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.overall-rating {
    text-align: center;
    background: var(--academy-white);
    padding: 2rem;
    border-radius: var(--academy-radius);
    box-shadow: 0 4px 20px var(--academy-shadow);
}

.rating-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--academy-primary);
    display: block;
}

.rating-stars {
    font-size: 1.5rem;
    color: #fbbf24;
    margin: 0.5rem 0;
}

.reviews-count {
    color: var(--academy-gray-600);
    font-size: 1rem;
}

.reviews-grid-academy {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.review-card-academy {
    background: var(--academy-white);
    padding: 2rem;
    border-radius: var(--academy-radius);
    box-shadow: 0 4px 20px var(--academy-shadow);
    transition: transform 0.3s ease;
}

.review-card-academy:hover {
    transform: translateY(-4px);
}

.review-header-academy {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.reviewer-avatar-academy img,
.avatar-initials-academy {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-initials-academy {
    background: var(--academy-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.reviewer-info-academy h4 {
    margin: 0 0 0.5rem 0;
    color: var(--academy-primary);
    font-weight: 700;
}

.review-rating-academy {
    color: #fbbf24;
    font-size: 1.2rem;
}

.review-content-academy p {
    color: var(--academy-gray-700);
    line-height: 1.6;
    margin: 0 0 1rem 0;
    font-style: italic;
}

.review-date-academy {
    color: var(--academy-gray-500);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ========================================
   CURSOS RELACIONADOS ACADÉMICOS
======================================== */
.related-courses-academy {
    padding: 4rem 0;
    background: var(--academy-white);
}

.related-courses-academy h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--academy-primary);
    margin: 0 0 3rem 0;
}

.related-courses-grid-academy {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.related-course-card-academy {
    background: var(--academy-white);
    border-radius: var(--academy-radius);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--academy-shadow);
    transition: transform 0.3s ease;
}

.related-course-card-academy:hover {
    transform: translateY(-4px);
}

.related-course-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.related-course-content {
    padding: 2rem;
}

.related-course-content h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--academy-primary);
    margin: 0 0 1rem 0;
    line-height: 1.3;
}

.related-course-content p {
    color: var(--academy-gray-600);
    margin: 0 0 1.5rem 0;
    line-height: 1.5;
}

.related-course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--academy-gray-200);
}

.instructor-name {
    color: var(--academy-gray-600);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.related-course-price .price-free {
    color: var(--academy-success);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.related-course-price .price {
    color: var(--academy-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.related-course-actions {
    display: flex;
    gap: 1rem;
}

.btn-related-academy {
    flex: 1;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--academy-primary);
    background: transparent;
    color: var(--academy-primary);
    text-decoration: none;
    border-radius: var(--academy-radius);
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-related-academy:hover {
    background: var(--academy-primary);
    color: white;
}

.btn-related-academy.primary {
    background: var(--academy-primary);
    color: white;
}

.btn-related-academy.primary:hover {
    background: var(--academy-secondary);
}

/* ========================================
   MODALES ACADÉMICOS
======================================== */
.image-modal-academy {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.image-modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.image-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.image-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-image {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--academy-radius);
}

.modal-info {
    position: absolute;
    bottom: -60px;
    left: 0;
    right: 0;
    text-align: center;
    color: white;
}

.modal-alt {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.modal-counter {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ========================================
   ANIMACIONES
======================================== */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes glow {
    0%, 100% { 
        box-shadow: 0 0 5px rgba(220, 38, 38, 0.5);
    }
    50% { 
        box-shadow: 0 0 20px rgba(220, 38, 38, 0.8);
    }
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 1024px) {
    .layout-academy-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .academy-enrollment-sidebar {
        order: -1;
        margin-bottom: 2rem;
    }
    
    .academy-hero h1 {
        font-size: 2rem;
    }
    
    .nav-sticky {
        padding: 0 1rem;
    }
    
    .nav-sticky ul {
        gap: 1rem;
    }
    
    .nav-sticky li a {
        font-size: 0.85rem;
        padding: 0.3rem 0.8rem;
    }
}

@media (max-width: 768px) {
    .academy-header {
        padding: 1rem;
    }
    
    .academy-hero {
        padding: 2rem 1rem;
        text-align: center;
    }
    
    .academy-hero h1 {
        font-size: 1.75rem;
        line-height: 1.3;
    }
    
    .academy-hero .description {
        font-size: 1rem;
        margin: 1rem 0;
    }
    
    .security-badges {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .security-badge {
        flex-direction: row;
        text-align: left;
        padding: 0.5rem;
    }
    
    .nav-sticky {
        display: none; /* Ocultar en móvil o usar hamburger */
    }
    
    .enrollment-card {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .pricing-section {
        text-align: center;
    }
    
    .price-display {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .cart-controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .quantity-selector {
        justify-content: center;
    }
    
    .add-to-cart-btn {
        width: 100%;
        font-size: 1.1rem;
        padding: 1rem;
    }
    
    .academy-content {
        padding: 1rem;
    }
    
    .content-section {
        padding: 1.5rem 1rem;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .instructor-card {
        flex-direction: column;
        text-align: center;
    }
    
    .instructor-avatar {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .related-courses-grid {
        grid-template-columns: 1fr;
    }
    
    .urgency-banner.top,
    .urgency-banner.sticky {
        font-size: 0.9rem;
        padding: 0.5rem;
    }
    
    .urgency-banner.floating {
        bottom: 10px;
        left: 10px;
        right: 10px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .academy-hero h1 {
        font-size: 1.5rem;
    }
    
    .academy-hero .description {
        font-size: 0.9rem;
    }
    
    .enrollment-card {
        margin: 0.5rem;
        padding: 1rem;
    }
    
    .pricing-section h3 {
        font-size: 1.1rem;
    }
    
    .price-final {
        font-size: 1.8rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 10px;
        padding: 1rem;
    }
    
    .modal-close {
        top: 5px;
        right: 10px;
        font-size: 1.5rem;
    }
    
    .urgency-banner {
        font-size: 0.8rem;
        padding: 0.4rem;
    }
    
    .urgency-timer {
        font-size: 0.85rem;
    }
}