/* Introducción 01 - Estilos para Tipos de Archivos en Programación */

/* Paleta de colores:
   #1B262C - Azul oscuro (principal)
   #0F4C75 - Azul medio (secundario)
   #3282B8 - Azul claro (acentos)
   #BBE1FA - Azul muy claro (fondos suaves)
*/

/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Tipografía */
body {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.8;
    color: #1B262C;
    background-color: #BBE1FA;
    font-size: 16px;
}

/* Contenedor principal */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    background-color: #BBE1FA;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 50px;
    padding: 30px;
    background-color: #1B262C;
    border-radius: 10px;
    color: white;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.header .subtitle {
    text-indent: 0 !important;
    margin: 0;
    font-size: 1.2rem;
    font-style: italic;
    opacity: 0.9;
    font-weight: normal;
}

/* Contenido principal */
.content {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border: 1px solid #3282B8;
}

/* Secciones */
section {
    margin-bottom: 40px;
}

section:last-child {
    margin-bottom: 0;
}

/* Títulos */
h2 {
    font-size: 1.8rem;
    color: #0F4C75;
    margin-bottom: 20px;
    border-bottom: 3px solid #3282B8;
    padding-bottom: 10px;
    font-weight: bold;
}

h3 {
    font-size: 1.4rem;
    color: #1B262C;
    margin: 25px 0 15px 0;
    font-weight: bold;
}

h4 {
    font-size: 1.2rem;
    color: #0F4C75;
    margin: 20px 0 10px 0;
    font-weight: bold;
}

/* Párrafos */
/* p {
    margin-bottom: 15px;
    text-align: justify;
    text-indent: 2em;
} */

.introduction p:first-of-type {
    font-size: 1.1rem;
    font-weight: 500;
}

/* Definiciones destacadas */
.definition {
    background-color: #BBE1FA;
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid #0F4C75;
    margin: 20px 0;
}

.definition p {
    margin-bottom: 0;
    text-indent: 0;
    font-size: 1.05rem;
    font-weight: 500;
}

/* Listas */
ul, ol {
    margin: 15px 0;
    padding-left: 30px;
}

li {
    margin-bottom: 8px;
    text-align: justify;
}

ol li {
    margin-bottom: 12px;
}

/* Texto destacado */
strong {
    color: #0F4C75;
    font-weight: bold;
}

em {
    color: #1B262C;
    font-style: italic;
    font-weight: 500;
}

code {
    background-color: #BBE1FA;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
    color: #1B262C;
    border: 1px solid #3282B8;
}

/* Ejemplos */
.example {
    background-color: #BBE1FA;
    padding: 20px;
    border-radius: 8px;
    border: 2px solid #3282B8;
    margin: 20px 0;
}

.example h4 {
    margin-top: 0;
    color: #1B262C;
}

.example ul {
    margin-bottom: 0;
}

/* Sección de comparación */
.comparison {
    background-color: #BBE1FA;
    padding: 30px;
    border-radius: 10px;
    border: 2px solid #0F4C75;
}

.comparison-item {
    background-color: white;
    padding: 20px;
    margin: 20px 0;
    border-radius: 8px;
    border-left: 4px solid #3282B8;
}

.comparison-item h3 {
    margin-top: 0;
    color: #0F4C75;
}

.comparison-item p {
    text-indent: 0;
    font-weight: 500;
    color: #1B262C;
    background-color: #BBE1FA;
    padding: 10px;
    border-radius: 5px;
    margin-top: 15px;
}

/* Conclusión */
.conclusion {
    background-color: #1B262C;
    padding: 30px;
    border-radius: 10px;
    color: white;
}

.conclusion h2 {
    color: white;
    border-bottom-color: white;
}

.conclusion p {
    text-indent: 0;
    margin-bottom: 20px;
}

.conclusion p:last-child {
    margin-bottom: 0;
    font-weight: 500;
    font-style: italic;
}

/* Conceptos principales */
.concept {
    padding: 25px;
    margin: 30px 0;
    border: 1px solid #3282B8;
    border-radius: 10px;
    background-color: #BBE1FA;
}

.concept h2 {
    background-color: #0F4C75;
    color: white;
    padding: 15px;
    margin: -25px -25px 20px -25px;
    border-radius: 10px 10px 0 0;
    border-bottom: none;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 20px 15px;
    }
    
    .content {
        padding: 25px 20px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.2rem;
    }
    
    body {
        font-size: 15px;
    }
    
    p {
        text-indent: 1em;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px 10px;
    }
    
    .content {
        padding: 20px 15px;
    }
    
    .header {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 1.6rem;
    }
    
    ul, ol {
        padding-left: 20px;
    }
    
    .concept {
        padding: 20px;
    }
    
    .concept h2 {
        margin: -20px -20px 15px -20px;
        padding: 12px;
    }
}