/* ============================================================================
   BLOQUES MODERNOS - Diseño profesional para acordeones, tabs y más
   ============================================================================ */

:root {
    --accordion-border-radius: 1rem;
    --accordion-spacing: 1rem;
    --accordion-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --accordion-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
    --accordion-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --accordion-primary: #0d6efd;
    --accordion-primary-light: rgba(13, 110, 253, 0.1);
    --accordion-primary-dark: #0a58ca;
}

/* ============================================================================
   ACORDEONES MODERNOS
   ============================================================================ */

/* Contenedor del acordeón */
.accordion {
    border-radius: var(--accordion-border-radius);
    overflow: hidden;
    box-shadow: var(--accordion-shadow);
}

/* Items del acordeón */
.accordion-item {
    border: none;
    background: white;
    margin-bottom: var(--accordion-spacing);
    border-radius: var(--accordion-border-radius) !important;
    overflow: hidden;
    transition: var(--accordion-transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.accordion-item:last-child {
    margin-bottom: 0;
}

.accordion-item:hover {
    box-shadow: var(--accordion-shadow-hover);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .accordion-item:hover {
        transform: none;
    }
}

/* Header del acordeón */
.accordion-header {
    margin-bottom: 0;
}

/* Botón del acordeón */
.accordion-button {
    font-weight: 600;
    font-size: 1.1rem;
    padding: 1.25rem 1.5rem;
    background: white;
    color: var(--bs-dark);
    border: none;
    position: relative;
    transition: var(--accordion-transition);
    box-shadow: none !important;
}

/* Icono personalizado */
.accordion-button::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accordion-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.accordion-button:not(.collapsed)::before {
    transform: scaleY(1);
}

/* Flecha personalizada - USANDO LÍNEAS CSS PARA CENTRADO MATEMÁTICO */
.accordion-button::after {
    width: 2rem;
    height: 2rem;
    background-color: var(--accordion-primary-light);
    border-radius: 50%;
    background-image: none; /* Eliminamos el SVG */
    content: '';
    transition: var(--accordion-transition);
    flex-shrink: 0;
    margin-left: auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Las dos líneas que forman el (+) */
.accordion-button::after::before,
.accordion-button::after::after {
    content: '';
    position: absolute;
    background-color: var(--accordion-primary);
    transition: var(--accordion-transition);
}

/* Línea horizontal */
.accordion-button::after::before {
    width: 0.8rem;
    height: 2px;
}

/* Línea vertical */
.accordion-button::after::after {
    width: 2px;
    height: 0.8rem;
}

.accordion-button:not(.collapsed)::after {
    background-color: var(--accordion-primary);
}

.accordion-button:not(.collapsed)::after::before,
.accordion-button:not(.collapsed)::after::after {
    background-color: white;
}

/* Al abrirse, la línea vertical rota para quedar sobre la horizontal (-) */
.accordion-button:not(.collapsed)::after::after {
    transform: rotate(90deg);
    opacity: 0;
}

/* Hover en el botón */
.accordion-button:hover {
    background: linear-gradient(90deg, var(--accordion-primary-light) 0%, white 100%);
    color: var(--accordion-primary);
}

.accordion-button:not(.collapsed) {
    background: linear-gradient(90deg, var(--accordion-primary-light) 0%, white 100%);
    color: var(--accordion-primary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Cuerpo del acordeón */
.accordion-body {
    padding: 1.5rem;
    background: white;
    color: #555;
    line-height: 1.8;
    animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Contenido enriquecido dentro del acordeón */
.accordion-body h3,
.accordion-body h4 {
    color: var(--bs-dark);
    margin-top: 1rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

@media (max-width: 768px) {
    .accordion-body h3 { font-size: 1.25rem; }
    .accordion-body h4 { font-size: 1.1rem; }
}

.accordion-body ul,
.accordion-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.accordion-body li {
    margin-bottom: 0.5rem;
}

.accordion-body p:last-child {
    margin-bottom: 0;
}

/* ============================================================================
   VARIANTE: ACORDEÓN CON ICONOS
   ============================================================================ */

.accordion-with-icons .accordion-button {
    padding-left: 4rem;
}

.accordion-with-icons .accordion-button::before {
    width: 3rem;
    background: var(--accordion-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    transform: scaleY(1);
}

/* ============================================================================
   VARIANTE: ACORDEÓN COMPACTO
   ============================================================================ */

.accordion-compact .accordion-item {
    margin-bottom: 0.5rem;
}

.accordion-compact .accordion-button {
    padding: 1rem 1.25rem;
    font-size: 1rem;
}

.accordion-compact .accordion-body {
    padding: 1rem 1.25rem;
}

/* ============================================================================
   VARIANTE: ACORDEÓN CON SOMBRA
   ============================================================================ */

.accordion-shadow .accordion-item {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.accordion-shadow .accordion-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* ============================================================================
   TABS MODERNOS
   ============================================================================ */

.tabs-container {
    background: white;
    border-radius: var(--accordion-border-radius);
    padding: 1.5rem;
    box-shadow: var(--accordion-shadow);
}

/* Nav tabs mejorado */
.nav-tabs {
    border-bottom: 2px solid #e9ecef;
    gap: 0.5rem;
}

.nav-tabs .nav-link {
    border: none;
    border-radius: 0.75rem 0.75rem 0 0;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    color: #6c757d;
    transition: var(--accordion-transition);
    position: relative;
    background: transparent;
}

.nav-tabs .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accordion-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-tabs .nav-link:hover {
    background: var(--accordion-primary-light);
    color: var(--accordion-primary);
}

.nav-tabs .nav-link.active {
    background: var(--accordion-primary-light);
    color: var(--accordion-primary);
    border: none;
}

.nav-tabs .nav-link.active::after {
    transform: scaleX(1);
}

/* Nav pills mejorado */
.nav-pills {
    gap: 0.5rem;
}

.nav-pills .nav-link {
    border-radius: 0.75rem;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    color: #6c757d;
    transition: var(--accordion-transition);
    background: #f8f9fa;
}

.nav-pills .nav-link:hover {
    background: var(--accordion-primary-light);
    color: var(--accordion-primary);
    transform: translateY(-2px);
}

.nav-pills .nav-link.active {
    background: var(--accordion-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

/* Contenido de tabs */
.tab-content {
    padding: 1.5rem 0;
}

.tab-pane {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ============================================================================
   ALERTAS MODERNAS
   ============================================================================ */

.alert {
    border: none;
    border-radius: var(--accordion-border-radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--accordion-shadow);
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.alert-info::before {
    background: var(--bs-info);
}

.alert-success::before {
    background: var(--bs-success);
}

.alert-warning::before {
    background: var(--bs-warning);
}

.alert-danger::before {
    background: var(--bs-danger);
}

.alert-info {
    background: linear-gradient(90deg, rgba(13, 202, 240, 0.1) 0%, white 100%);
    color: #055160;
}

.alert-success {
    background: linear-gradient(90deg, rgba(25, 135, 84, 0.1) 0%, white 100%);
    color: #0a3622;
}

.alert-warning {
    background: linear-gradient(90deg, rgba(255, 193, 7, 0.1) 0%, white 100%);
    color: #664d03;
}

.alert-danger {
    background: linear-gradient(90deg, rgba(220, 53, 69, 0.1) 0%, white 100%);
    color: #58151c;
}

/* ============================================================================
   QUOTES MODERNOS
   ============================================================================ */

.quote-block {
    background: white;
    border-radius: var(--accordion-border-radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--accordion-shadow);
    position: relative;
    margin: 2.5rem 0;
}

.quote-block::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: 6rem;
    font-weight: 700;
    color: var(--accordion-primary-light);
    line-height: 1;
    font-family: Georgia, serif;
}

.quote-block blockquote {
    margin: 0;
    padding-left: 2rem;
    font-size: 1.25rem;
    font-style: italic;
    color: var(--bs-dark);
    line-height: 1.8;
}

.quote-block cite {
    display: block;
    margin-top: 1rem;
    padding-left: 2rem;
    font-style: normal;
    font-weight: 600;
    color: var(--accordion-primary);
}

.quote-block cite::before {
    content: '— ';
}

/* ============================================================================
   CARDS MEJORADAS
   ============================================================================ */

.card-modern {
    border: none;
    border-radius: var(--accordion-border-radius);
    overflow: hidden;
    transition: var(--accordion-transition);
    box-shadow: var(--accordion-shadow);
    background: white;
}

.card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--accordion-shadow-hover);
}

.card-modern .card-header {
    background: linear-gradient(135deg, var(--accordion-primary) 0%, var(--accordion-primary-dark) 100%);
    color: white;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    border: none;
}

.card-modern .card-body {
    padding: 1.5rem;
}

/* ============================================================================
   ESPACIADORES
   ============================================================================ */

.spacer-small {
    height: 20px;
}

.spacer-medium {
    height: 40px;
}

.spacer-large {
    height: 60px;
}

.spacer-xlarge {
    height: 100px;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
    .accordion-button {
        font-size: 1rem;
        padding: 1rem 1.25rem;
    }

    .accordion-button::after {
        width: 1.75rem;
        height: 1.75rem;
        background-size: 1rem;
    }
    
    .accordion-body {
        padding: 1.25rem;
    }
    
    .tabs-container {
        padding: 1rem;
    }
    
    .nav-tabs .nav-link,
    .nav-pills .nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .quote-block {
        padding: 1.5rem;
    }
    
    .quote-block blockquote {
        font-size: 1.1rem;
        padding-left: 1rem;
    }
    
    .quote-block cite {
        padding-left: 1rem;
    }
}

/* ============================================================================
   ANIMACIONES ADICIONALES
   ============================================================================ */

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-slide-in-right {
    animation: slideInRight 0.4s ease;
}

.animate-slide-in-left {
    animation: slideInLeft 0.4s ease;
}

/* ============================================================================
   UTILIDADES
   ============================================================================ */

.block-spacing {
    margin-bottom: 2rem;
}

.block-spacing-large {
    margin-bottom: 3rem;
}

.block-container {
    max-width: 100%;
    margin: 0 auto;
}

/* Contenedor de bloques con padding */
.blocks-wrapper {
    padding: 2rem 0;
}

@media (max-width: 768px) {
    .blocks-wrapper {
        padding: 1rem 0;
    }
    
    .block-spacing {
        margin-bottom: 1.5rem;
    }
    
    .block-spacing-large {
        margin-bottom: 2rem;
    }
}