/* ======================================= */
/* Estilos base (Guardar como estilos.css) */
/* ======================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    /* Colores de la paleta */
    --primary: #4a7c59; /* Verde Oscuro */
    --secondary: #8dab7f; /* Verde Oliva Suave */
    --accent: #c9d6c5; /* Tono de Acabado */
    --light: #f8f9fa; /* Fondo General (Header, Body) - EL COLOR ORIGINAL */
    --dark: #2c3e2d; /* Texto Principal */
    --text: #333;
    /* Se elimina la variable --background-content */
}

body {
    background-color: var(--light);
    color: var(--text);
    line-height: 1.6;
}

/* Aplicación del fondo. Se revierte al color original del cuerpo (var(--light)) */
#home-categories,
#insumos-section,
#subcategory-section,
#ecoformulas-section,
#blog-home-section {
    background-color: var(--light); 
    padding-top: 4rem; 
    padding-bottom: 4rem; 
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Utilidades */
.grid-3-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.text-center {
    text-align: center;
}

/* Header */
header {
    background-color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 1.5rem;
}

.nav-links a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 5px 10px;
    border-radius: 4px;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
    background-color: var(--accent);
}

.menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

/* Hero Section (INICIO) */
.hero {
    background: linear-gradient(rgba(44, 62, 45, 0.8), rgba(74, 124, 89, 0.8)), url('https://images.unsplash.com/photo-1540555700478-4be289fbecef?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-slogan {
    font-size: 3.5rem; 
    font-weight: 800; 
    line-height: 1.1;
    margin-bottom: 3rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.btn {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    background-color: var(--dark);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Main Content */
.main-content {
    padding: 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark);
    position: relative;
    font-size: 2.2rem;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--secondary);
    margin: 10px auto 0;
    border-radius: 2px;
}

/* Cards Estilizadas (Home Categories / Insumos Level 1) */
.category-card {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 30px;
    cursor: pointer; 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    /* CAMBIO SOLICITADO */
    border: 1px solid var(--primary); 
}

.category-card:hover {
    transform: translateY(-5px); 
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Se elimina el estilo del ícono de la tarjeta de categorías principales, ya que se eliminan los íconos */
/* .category-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 15px;
} */

.category-card h3 {
    color: var(--dark);
    margin-bottom: 10px;
    font-size: 1.4rem;
    /* Se centra el texto si no hay ícono para Insumos Level 1 */
    text-align: center; 
}

/* Insumos Section (Level 1) */
#insumos-section .category-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 150px;
}

/* Subcategory Cards (Level 2) */
.subcategory-card {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 20px;
    cursor: default; 
    transition: all 0.2s ease;
    /* CAMBIO SOLICITADO */
    border: 1px solid var(--primary); 
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* ... [Resto de estilos de subcategory-card (Level 2) sin cambios] ... */
.subcategory-card:hover {
    transform: none; 
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    /* CAMBIO SOLICITADO (se mantiene el borde verde al hacer hover) */
    border-color: var(--primary); 
}

.subcategory-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.subcategory-card h3 {
    color: var(--primary);
    font-size: 1.2rem;
    margin: 0;
    flex-grow: 1;
}

.subcategory-badge {
    background-color: var(--secondary);
    color: white;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.subcategory-description {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.subcategory-features {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.subcategory-feature {
    font-size: 0.75rem;
    background-color: var(--accent);
    color: var(--dark);
    padding: 2px 8px;
    border-radius: 4px;
}

.subcategory-footer {
    margin-top: 15px;
    padding-top: 10px;
    border-top: 1px solid var(--accent);
    display: flex;
    justify-content: flex-end; /* Alinear el botón a la derecha */
    align-items: center;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
    cursor: pointer; /* Indicamos que se puede hacer clic en el footer */
}

.subcategory-footer:hover {
    color: var(--dark);
    text-decoration: underline;
}

.subcategory-footer i {
    font-size: 0.8rem;
    margin-right: 5px;
}

.back-home-btn {
    background: none;
    color: var(--primary);
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 5px;
    margin-bottom: 30px;
    border: 1px solid var(--primary);
    transition: background-color 0.3s ease;
    text-transform: none;
}

.back-home-btn:hover {
    background-color: var(--primary);
    color: white;
    transform: none;
    box-shadow: none;
}

/* --- MODAL DE DETALLE (POP-UP) --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none; /* Inicialmente oculto por JS */
    justify-content: center;
    align-items: center;
    z-index: 2000;
    overflow-y: auto; /* Para asegurar que el modal se pueda desplazar si es muy grande */
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content h3 {
    color: var(--dark);
    font-size: 1.8rem;
    margin-bottom: 10px;
    line-height: 1.2;
}

.modal-content .badge {
    background-color: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 20px;
}

.modal-content p {
    margin-bottom: 15px;
    line-height: 1.7;
    color: #444;
}

.modal-content strong {
    color: var(--dark);
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 2rem;
    color: #aaa;
    cursor: pointer;
    transition: color 0.2s;
}

.close-modal:hover {
    color: var(--primary);
}


/* Media Queries (Responsive) */
@media (max-width: 768px) {
    .hero-slogan {
        font-size: 2.5rem;
    }

    .nav-links {
        position: absolute;
        top: 65px;
        right: 0;
        width: 100%;
        flex-direction: column;
        background-color: white;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        display: none;
        padding: 1rem 0;
        z-index: 999;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0;
        padding: 10px 15px;
        border-bottom: 1px solid var(--accent);
    }

    .nav-links a {
        display: block;
        width: 100%;
        padding: 10px 0;
    }

    .menu-btn {
        display: block;
    }
}
/* ======================================= */
/* --- ESTILOS DEL FOOTER (PIE DE PÁGINA) --- */
/* ======================================= */

.main-footer {
    background-color: var(--dark); /* Fondo oscuro para contraste */
    color: var(--light); /* Texto claro */
    padding: 40px 0 0;
    font-size: 0.95rem;
}

/* Distribución en 3 columnas */
.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 30px;
    padding-bottom: 30px;
    /* Línea divisoria suave */
    border-bottom: 1px solid rgba(255, 255, 255, 0.15); 
}

/* Estilo del logo en el footer */
.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary); /* Destacar con el color principal */
    margin-bottom: 10px;
}

/* Estilo de los títulos de sección */
.main-footer h4 {
    color: var(--primary); 
    margin-bottom: 15px;
    font-size: 1.1rem;
}

/* Elemento de Contacto (Correo) */
.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.contact-item i {
    margin-right: 10px;
    color: var(--accent); /* Ícono en color secundario */
}

.contact-link {
    color: var(--light);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Enlaces de Redes Sociales */
.social-links a {
    color: var(--light);
    font-size: 1.5rem;
    margin-right: 15px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary); /* Efecto hover */
}

/* Pie de página inferior (Copyright) */
.footer-bottom {
    text-align: center;
    padding: 15px 0;
    font-size: 0.8rem;
    /* Un color ligeramente más oscuro que el fondo del footer */
    background-color: #223023; 
    color: rgba(255, 255, 255, 0.6);
}


/* Media Queries (Diseño Responsivo para móviles) */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr; /* Una sola columna en móvil */
        text-align: center;
    }
    /* Centrar elementos en móvil */
    .footer-info, .footer-contact, .footer-social {
        margin-bottom: 20px;
    }
    .footer-social {
        margin-bottom: 0;
    }
    .social-links {
        display: flex;
        justify-content: center;
    }
    .contact-item {
        /* Permite centrar el ícono y el texto */
        justify-content: center;
        width: fit-content;
        margin: 0 auto 10px auto; 
    }
}


/* ======================================= */
/* ESTILOS PARA ECOFÓRMULAS (NUEVO BLOQUE) */
/* ======================================= */

/* --- 1. LAYOUT PRINCIPAL DE LA PÁGINA --- */

#ecoformulas-section {
    padding: 50px 0;
    background-color: var(--light); 
}

.formula-grid {
    display: grid;
    /* Distribución de tres columnas para los tres pasos del menú */
    grid-template-columns: repeat(3, 1fr); 
    gap: 20px;
    margin-top: 30px;
}

/* --- 2. CONTENEDOR DE CATEGORÍAS (PASO 1) --- */

#formula-menu-container,
#formula-submenu-container,
#quantity-selector-container {
    padding: 15px;
    background-color: var(--accent); /* Color de fondo claro para el contenedor */
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

/* --- 3. ITEMS DE CATEGORÍA (NIVEL 1) --- */

.formula-category-item {
    padding: 15px;
    background-color: var(--light);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    color: var(--dark);
    font-weight: 600;
    border: 1px solid var(--primary); 
    margin-bottom: 10px; /* Separación entre ítems en este contenedor */
}

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

.formula-category-item i {
    font-size: 1.4rem;
    margin-right: 15px;
    color: var(--primary); /* Íconos en color primario */
}

.formula-category-item:hover {
    background-color: var(--accent);
}

/* ESTADO ACTIVO */
.formula-category-item.active {
    background-color: var(--primary);
    color: var(--light);
    box-shadow: 0 4px 10px rgba(74, 124, 89, 0.4); 
    transform: translateY(-2px);
}

.formula-category-item.active i {
    color: var(--light);
}

/* --- 4. SUBMENÚ Y ITEMS DE FÓRMULA (NIVEL 2) --- */

/* Título de la sección de Fórmulas */
.formula-submenu-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
    padding-bottom: 5px;
    border-bottom: 2px solid var(--secondary);
}

.formula-product-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Item de la Fórmula */
.formula-product-item {
    padding: 10px 15px;
    background-color: var(--light);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
    color: var(--text);
    border: 1px solid var(--secondary);
}

.formula-product-item:hover {
    background-color: var(--accent);
}

/* ESTADO ACTIVO */
.formula-product-item.active {
    background-color: var(--secondary);
    color: var(--dark);
    font-weight: 600;
    border-color: var(--primary);
}

/* --- 5. SELECTOR DE CANTIDAD (NIVEL 3) --- */

#quantity-selector-container {
    display: flex; 
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.quantity-selector-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
}

.quantity-buttons-group {
    display: flex;
    gap: 10px;
    width: 100%;
    justify-content: space-around;
}

.quantity-btn {
    flex-grow: 1;
    padding: 12px 5px;
    background-color: var(--light);
    color: var(--dark);
    border: 1px solid var(--secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 700;
    text-align: center;
    max-width: 120px;
}

.quantity-btn:hover {
    background-color: var(--secondary);
}

/* ESTADO ACTIVO */
.quantity-btn.active {
    background-color: var(--primary);
    color: var(--light);
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(74, 124, 89, 0.3);
}

/* =================================