/* =========================================
   Variables de Paleta de Colores y Fuentes
   ========================================= */
:root {
    --primary-green: #4A8C2A;
    --primary-dark: #2D521A;
    --black-text: #1A1A1A;
    --gray-text: #555555;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--black-text);
    background-color: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =========================================
   Navegación (Header)
   ========================================= */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 100px;
    padding: 10px 20px;
}

.brand-logo {
    height: 100px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--black-text);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-green);
}

/* Botones */
.btn-primary {
    background-color: var(--primary-green);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--black-text);
    padding: 10px 24px;
    border: 2px solid var(--black-text);
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background-color: var(--black-text);
    color: var(--white) !important;
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    background: linear-gradient(135deg, var(--bg-light) 0%, #E9ECEF 100%);
    padding: 100px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--black-text);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray-text);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* =========================================
   Secciones Generales
   ========================================= */
.section-padding {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--black-text);
    margin-bottom: 10px;
}

.section-title p {
    color: var(--gray-text);
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
}

/* =========================================
   Servicios (Grid)
   ========================================= */
.grid-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--primary-green);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.card p {
    color: var(--gray-text);
    font-size: 0.95rem;
}

/* =========================================
   Por qué nosotros (About)
   ========================================= */
.about {
    background-color: var(--bg-light);
}

.about-container {
    display: flex;
    justify-content: center;
}

.about-text {
    max-width: 800px;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--gray-text);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.check-list {
    list-style: none;
}

.check-list li {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--black-text);
}

/* =========================================
   Alianzas / Proveedores
   ========================================= */
.alliances {
    background-color: var(--white);
}

.grid-alliances {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.alliance-card {
    background: var(--bg-light);
    padding: 25px 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-green);
    transition: transform 0.3s ease;
}

.alliance-card:hover {
    transform: translateX(5px);
}

.alliance-card h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.alliance-card p {
    color: var(--gray-text);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* =========================================
   Formulario de Contacto
   ========================================= */
.contact-section {
    background-color: var(--bg-light);
}

.contact-container {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.contact-text, .contact-form-wrapper {
    flex: 1;
    min-width: 300px;
}

.contact-text h2 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-size: 2.2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.contact-form input, .contact-form textarea {
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 5px rgba(74, 140, 42, 0.2);
}

.form-submit {
    cursor: pointer;
    border: none;
    font-size: 1.1rem;
    padding: 15px;
    margin-top: 10px;
}

/* =========================================
   Footer
   ========================================= */
.footer {
    background-color: var(--black-text);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 90px;
    filter: brightness(0) invert(1);
    margin-bottom: 20px;
}

.footer-info p {
    color: #CCCCCC;
}

.footer-contact h3 {
    font-family: var(--font-heading);
    margin-bottom: 20px;
    color: var(--primary-green);
}

.footer-contact p {
    margin-bottom: 10px;
    color: #CCCCCC;
}

.footer-link {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #888;
    font-size: 0.9rem;
}

/* =========================================
   Botón Flotante WhatsApp
   ========================================= */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    border-radius: 50px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 2px 4px 15px rgba(0,0,0,0.3);
}

.whatsapp-float img {
    width: 35px;
    height: 35px;
}

/* =========================================
   Botón Menú Celular (Hamburguesa)
   ========================================= */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    z-index: 101;
}

.menu-toggle .bar {
    width: 30px;
    height: 3px;
    background-color: var(--primary-dark);
    transition: all 0.3s ease-in-out;
    border-radius: 3px;
}

/* =========================================
   Responsive Media Queries
   ========================================= */
@media (max-width: 900px) {
    /* Activar el botón hamburguesa */
    .menu-toggle {
        display: flex; 
    }
    
    /* Convertir el menú en desplegable */
    .nav-links {
        position: absolute;
        top: 100px; /* Debajo de la barra de navegación */
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        display: none; /* Oculto por defecto */
        text-align: center;
        gap: 1rem;
    }
    
    /* Mostrar menú cuando esté activo */
    .nav-links.active {
        display: flex; 
    }
    
    /* Animación del botón hamburguesa a "X" */
    .menu-toggle.is-active .bar:nth-child(2) { opacity: 0; }
    .menu-toggle.is-active .bar:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .menu-toggle.is-active .bar:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}