/**
 * Estilos para la página de Historia ANFDGAC
 * 
 * Este archivo contiene todos los estilos específicos para la página de historia
 * de la Asociación Nacional de Funcionarios de la Dirección General de Aeronáutica Civil
 * 
 * Secciones incluidas:
 * - Variables CSS personalizadas
 * - Layout principal y contenedor
 * - Breadcrumb de navegación
 * - Sección de historia
 * - Responsive design
 * 
 * Responsive breakpoints:
 * - Desktop: > 992px
 * - Tablet: 768px - 992px  
 * - Mobile: < 768px
 * 
 * Autor: Sistema ANFDGAC
 * Fecha: {{ date('Y-m-d') }}
 */

/* ========================================
   Variables CSS personalizadas
   ======================================== */
:root {
    /* Colores principales de historia */
    --historia-primary: #153547;
    --historia-secondary: #2c5f7a;
    --historia-accent: #4a90a4;
    --historia-light: #f8f9fa;
    --historia-dark: #0d1b23;
    
    /* Colores de texto */
    --historia-text-primary: #2c3e50;
    --historia-text-secondary: #5a6c7d;
    --historia-text-light: #7f8c8d;
    
    /* Espaciado */
    --historia-spacing-xs: 0.5rem;
    --historia-spacing-sm: 1rem;
    --historia-spacing-md: 1.5rem;
    --historia-spacing-lg: 2rem;
    --historia-spacing-xl: 3rem;
    
    /* Tipografía */
    --historia-font-family: 'Montserrat', sans-serif;
    --historia-font-size-base: 1rem;
    --historia-font-size-sm: 0.875rem;
    --historia-font-size-lg: 1.125rem;
    --historia-font-size-xl: 1.25rem;
    
    /* Sombras */
    --historia-shadow-sm: 0 2px 4px rgba(21, 53, 71, 0.1);
    --historia-shadow-md: 0 4px 8px rgba(21, 53, 71, 0.15);
    --historia-shadow-lg: 0 8px 16px rgba(21, 53, 71, 0.2);
    
    /* Bordes */
    --historia-border-radius: 8px;
    --historia-border-color: #e9ecef;
}

/* ========================================
   Layout principal
   ======================================== */
.main-content {
    min-height: calc(100vh - 200px);
    padding: var(--historia-spacing-lg) 0;
    background: linear-gradient(135deg, 
        var(--historia-light) 0%, 
        #ffffff 50%, 
        var(--historia-light) 100%);
}

/* ========================================
   Breadcrumb de navegación
   ======================================== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--historia-spacing-xs);
    margin-bottom: var(--historia-spacing-xl);
    padding: var(--historia-spacing-sm);
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--historia-border-radius);
    box-shadow: var(--historia-shadow-sm);
    font-size: var(--historia-font-size-sm);
}

.breadcrumb a {
    color: var(--historia-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--historia-primary);
}

.breadcrumb-separator {
    color: var(--historia-text-light);
    font-weight: bold;
}

.breadcrumb-current {
    color: var(--historia-text-primary);
    font-weight: 600;
}

/* ========================================
   Sección de Historia
   ======================================== */
.historia-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--historia-border-radius);
    box-shadow: var(--historia-shadow-lg);
    overflow: hidden;
    margin-bottom: var(--historia-spacing-xl);
}

.historia-header {
    background: linear-gradient(135deg, 
        var(--historia-primary) 0%, 
        var(--historia-secondary) 100%);
    color: white;
    text-align: center;
    padding: var(--historia-spacing-xl) var(--historia-spacing-lg);
    position: relative;
}

.historia-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 0.3;
}

.historia-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.historia-content {
    padding: var(--historia-spacing-xl);
}

.historia-text-image {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--historia-spacing-xl);
    align-items: start;
}

.historia-image {
    position: sticky;
    top: var(--historia-spacing-lg);
}

.historia-image img {
    width: 100%;
    height: auto;
    border-radius: var(--historia-border-radius);
    box-shadow: var(--historia-shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.historia-image img:hover {
    transform: scale(1.02);
    box-shadow: var(--historia-shadow-lg);
}

.historia-text {
    font-family: var(--historia-font-family);
    line-height: 1.8;
    color: var(--historia-text-primary);
}

.historia-text p {
    margin-bottom: var(--historia-spacing-lg);
    font-size: var(--historia-font-size-lg);
    text-align: justify;
    position: relative;
}

.historia-text p:first-child::first-letter {
    float: left;
    font-size: 4rem;
    line-height: 3rem;
    margin: 0.2rem 0.5rem 0 0;
    color: var(--historia-primary);
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(21, 53, 71, 0.2);
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet - 768px a 992px */
@media (max-width: 992px) {
    .historia-text-image {
        grid-template-columns: 1fr;
        gap: var(--historia-spacing-lg);
    }
    
    .historia-image {
        position: static;
        order: -1;
    }
    
    .historia-header h1 {
        font-size: 2rem;
    }
    
    .historia-content {
        padding: var(--historia-spacing-lg);
    }
    
    .historia-text p {
        font-size: var(--historia-font-size-base);
    }
}

/* Mobile - menos de 768px */
@media (max-width: 768px) {
    .main-content {
        padding: var(--historia-spacing-md) 0;
    }
    
    .breadcrumb {
        flex-wrap: wrap;
        margin-bottom: var(--historia-spacing-lg);
        padding: var(--historia-spacing-sm);
    }
    
    .historia-header {
        padding: var(--historia-spacing-lg) var(--historia-spacing-md);
    }
    
    .historia-header h1 {
        font-size: 1.75rem;
        line-height: 1.2;
    }
    
    .historia-content {
        padding: var(--historia-spacing-lg) var(--historia-spacing-md);
    }
    
    .historia-text p {
        font-size: var(--historia-font-size-sm);
        margin-bottom: var(--historia-spacing-md);
    }
    
    .historia-text p:first-child::first-letter {
        font-size: 3rem;
        line-height: 2.5rem;
    }
}

/* Mobile pequeño - menos de 480px */
@media (max-width: 480px) {
    .historia-header h1 {
        font-size: 1.5rem;
    }
    
    .historia-content {
        padding: var(--historia-spacing-md);
    }
    
    .breadcrumb {
        font-size: 0.75rem;
    }
    
    .historia-text p:first-child::first-letter {
        font-size: 2.5rem;
        line-height: 2rem;
        margin-right: 0.3rem;
    }
}

/* ========================================
   Animaciones
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.historia-section {
    animation: fadeInUp 0.8s ease-out;
}

.historia-text p {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.historia-text p:nth-child(1) {
    animation-delay: 0.2s;
}

.historia-text p:nth-child(2) {
    animation-delay: 0.4s;
}

.historia-text p:nth-child(3) {
    animation-delay: 0.6s;
}

/* ========================================
   Accesibilidad
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    .historia-section,
    .historia-text p,
    .historia-image img {
        animation: none;
        transition: none;
    }
    
    .historia-image img:hover {
        transform: none;
    }
}

/* Mejoras para lectores de pantalla */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   Impresión
   ======================================== */
@media print {
    .main-content {
        background: white;
        padding: 0;
    }
    
    .breadcrumb {
        display: none;
    }
    
    .historia-section {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .historia-header {
        background: #f0f0f0 !important;
        color: black !important;
    }
    
    .historia-text-image {
        grid-template-columns: 1fr;
    }
    
    .historia-image img {
        max-width: 300px;
        margin: 0 auto;
        display: block;
    }
}