/* ========================================================================== */
/* 1. Variables Principales */
/* ========================================================================== */
:root {
    --azul: #1e90ff;
    --fondo: #0d1117;
    --texto: #ffffff;
    --gris: #c0c0c0;
    --borde: #1e90ff;
    --card-fondo: #0f172a;
    --card-borde: #1e293b;
    --purple:#9A00F7;
    --sombra: rgba(30, 144, 255, 0.4);
    --fuente: 'Poppins', sans-serif;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --transition-default: 0.3s ease-in-out;
}

/* ========================================================================== */
/* 2. Resets y Estilos Base */
/* ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--fondo);
    font-family: var(--fuente);
    color: var(--texto);
    line-height: 1.6;
}

.hidden {
    display: none;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========================================================================== */
/* 3. Hero Section */
/* ========================================================================== */
.hero {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
}

.hero-content .logo-img img {
    width: 100px;
    display: none;
}

@media (min-width: 769px) {
    .hero-content .logo-img img {
        display: block;
    }
}

/* ========================================================================== */
/* 4. Navigation */
/* ========================================================================== */
.nav {
  background-color: #10172a;
  position: relative;
}

nav button img {
  border-radius: 8px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
}

.menu-toggle img {
  width: 36px;
  height: 36px;
}

.nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 1rem;
  padding: 1rem;
}

.nav a {
  color: #f0f0f0;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

.nav a:hover {
  color: #1e90ff;
}

/* NAV Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .nav ul {
    display: none;
    flex-direction: column;
    background-color: #10172a;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    z-index: 999;
  }
  .nav ul.show {
    display: flex;
  }
  .nav ul li {
    padding: 0.5rem 0;
    text-align: center;
  }
}
/* ========================================================================== */
/* 5. Estilos de Contenido del Artículo */
/* ========================================================================== */
.article-container {
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    padding: 20px;
    background-color: var(--card-fondo);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--card-borde);
}

.article-title {
    font-size: 2.5em;
    color: var(--azul);
    margin-bottom: 10px;
    text-align: center;
}

.article-meta {
    font-size: 0.9em;
    color: var(--gris);
    text-align: center;
    margin-bottom: 30px;
}

.article-section h2 {
    font-size: 1.8em;
    color: var(--azul);
    margin-top: 30px;
    margin-bottom: 15px;
    border-bottom: 2px solid rgba(255,255,255,0.05);
    padding-bottom: 5px;
}

.article-section p {
    line-height: 1.7;
    margin-bottom: 15px;
    color: var(--texto);
}

.article-section p a{
    color: var(--purple);
}

.article-section p a:hover {
    color: var(--azul);
}

.article-section li a:hover {
    color: var(--azul);
}

.content-with-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.content-with-image .section-image {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    cursor: pointer;
}

@media (min-width: 768px) {
    .content-with-image {
        flex-direction: row;
        text-align: left;
    }

    .article-section.image-left .content-with-image {
        flex-direction: row-reverse;
    }

    .content-with-image p {
        flex: 1;
    }

    .content-with-image .section-image {
        flex-shrink: 0;
        width: 40%;
        max-width: 300px;
    }
}

.centered-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
}

.responsive-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    box-shadow: 0 4px 15px var(--sombra);
    cursor: pointer;
}

.article-navigation-button {
    text-align: center;
    margin-top: 40px;
    margin-bottom: 40px;
}

.main-action-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--azul);
    color: var(--texto);
    text-decoration: none;
    font-weight: bold;
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-default), transform 0.2s ease-in-out;
    box-shadow: 0 4px 8px var(--sombra);
}

.main-action-button:hover {
    background-color: #006ddc;
    transform: translateY(-2px);
}


/* ========================================================================== */
/* 6. Otros Componentes */
/* ========================================================================== */
.code-example {
    background-color: #111827;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    overflow-x: auto;
    border: 1px solid var(--card-borde);
    font-size: 0.9rem;
    line-height: 1.4;
    position: relative;
}

.code-example button {
    position: absolute;
    bottom: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--azul);
    color: var(--texto);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: bold;
    transition: background-color var(--transition-default);
    margin-top: var(--spacing-sm);
}

.code-example button:hover,
.code-example button:focus {
    background-color: #006ddc;
}

.code-example button.hidden {
    display: none;
}

.code-example .codigoArduinoCorto.hidden{
    display: none;
}

.code-example .codigoArduinoCompleto.hidden{
    display: none;
}

.croquis-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.croquis-content {
    background-color: rgba(var(--card-fondo-rgb, 15, 23, 42), 0.8);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--card-borde);
    text-align: center;
}

#diagrama-circuito-section {
    text-align: center;
}

.diagrama-circuito-image {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 4px 15px var(--sombra);
    margin: var(--spacing-md) auto;
    max-width: 800px;
}

.diagrama-circuito-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
}

.croquis-content h3 {
    color: var(--azul);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.youtube-video {
    position: relative;
    max-width: 680px; /* Limita el tamaño máximo del video */
    width: 100%; /* Permite que sea más pequeño si el contenedor es estrecho */
    padding-bottom: 56.25%;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-left: auto;  /* Centra el contenedor horizontalmente */
    margin-right: auto; /* Centra el contenedor horizontalmente */
    overflow: hidden;
    box-shadow: 0 4px 15px var(--sombra);
}

.youtube-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: var(--border-radius-md);
}

.emojis-section {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.emojis-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.emoji-item {
    background-color: var(--card-fondo);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--card-borde);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-sm);
    max-width: 150px;
    flex: 1 1 150px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.emoji-item img {
    width: 100%;
    height: auto;
}

@media (max-width: 600px) {
    .emojis-container {
        flex-direction: column;
        align-items: center;
    }

    .emoji-item {
        max-width: 200px;
        flex-basis: auto;
    }
}

.feature-list ul {
  list-style-type: none;
  padding-left: 0;
}

.feature-list li {
  margin-bottom: 0.8rem;
  padding-left: 1.5rem;
  position: relative;
}

.feature-list li:before {
  content: "→";
  color: var(--azul);
  position: absolute;
  left: 0;
}

.feature-list a {
  color: var(--borde);
  text-decoration: none;
}

.feature-list a:hover {
  color: var(--azul);
  text-decoration: underline;
}


/* ========================================================================== */
/* 7. Footer */
/* ========================================================================== */
.footer {
    text-align: center;
    padding: var(--spacing-lg);
    font-size: 0.9rem;
    background-color: #0d1224;
    color: var(--gris);
    margin-top: var(--spacing-lg);
}

.footer-links {
    margin-top: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.footer-links a {
    color: var(--azul);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: color var(--transition-default);
}

.footer-links a:hover,
.footer-links a:focus {
    color: #006ddc;
}

.footer-links img.icono-red {
    width: 20px;
    height: 20px;
}

/* ========================================================================== */
/* 8. Media Queries Adicionales */
/* ========================================================================== */
@media (min-width: 768px) {
    .croquis-section {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .croquis-image {
        max-width: 45%;
        margin: 0;
    }

    .croquis-content {
        max-width: 50%;
        text-align: left;
    }

    .footer-links {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-lg);
    }

    .emojis-container {
        justify-content: flex-start;
    }
}

@media (min-width: 1024px) {
    .article-title {
        font-size: 2.5rem;
    }

    .article-section h2 {
        font-size: 1.8rem;
    }

    .emojis-container {
        justify-content: center;
    }
}

/* Estilos para el Lightbox/Modal de imagen */
.lightbox {
    display: none; /* Asegura que esté oculto por defecto */
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    justify-content: center; /* Se añade con JS al mostrar */
    align-items: center; /* Se añade con JS al mostrar */
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
}

.close-lightbox-button {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 2001;
}

.close-lightbox-button:hover,
.close-lightbox-button:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

/* Animación del lightbox */
.lightbox-content {
    -webkit-animation-name: zoom;
    -webkit-animation-duration: 0.6s;
    animation-name: zoom;
    animation-duration: 0.6s;
}

@-webkit-keyframes zoom {
    from {-webkit-transform:scale(0)} 
    to {-webkit-transform:scale(1)}
}

@keyframes zoom {
    from {transform:scale(0)} 
    to {transform:scale(1)}
}