/* =========================================
   1. VARIABLES Y CONFIGURACIÓN BASE
   ========================================= */

/* Importación de fuentes oficiales (Montserrat y Open Sans) */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&family=Open+Sans:wght@400;600&display=swap');

:root {
    --color-primario: #0076bb;   /* Azul Corporativo */
    --color-secundario: #49c4a4; /* Verde Innovación */
    --color-oscuro: #1a1a1a;
    --color-blanco: #ffffff;
    --color-gris-fondo: #f4f7f9;
    
    --fuente-titulos: 'Montserrat', sans-serif;
    --fuente-cuerpo: 'Open Sans', sans-serif;
    
    --sombra: 0 4px 15px rgba(0, 0, 0, 0.1);
    --transicion: all 0.3s ease;
}

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

html, body {
    height: 100%;
    font-family: var(--fuente-cuerpo);
    background-color: var(--color-blanco);
    display: flex;
    flex-direction: column;
    color: var(--color-oscuro);
    line-height: 1.6;
}

/* Encabezados con Montserrat */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--fuente-titulos);
    font-weight: 700;
    color: var(--color-primario);
}

main {
    flex: 1 0 auto;
}

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

/* =========================================
   2. HEADER Y NAVEGACIÓN
   ========================================= */
header {
    background: var(--color-blanco);
    /* Bajamos el padding de 15px a 5px para ganar espacio interno */
    padding: 5px 0; 
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--color-primario);
}



header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    /* Aumentamos la altura de 80px a 100px */
    height: 120px; 
    display: block;
    /* Añadimos una transición suave por si quieres que cambie al hacer scroll */
    transition: var(--transicion); 
    /* Asegura que el logo no se deforme */
    width: 200px; 
}

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

nav ul li a {
    text-decoration: none;
    color: var(--color-oscuro);
    font-family: var(--fuente-titulos);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transicion);
}

nav ul li a:hover, nav ul li a.active {
    color: var(--color-primario);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* =========================================
   3. HERO SECTIONS (BANNERS)
   ========================================= */
.hero, .secondary-hero {
    color: white;
    padding: 100px 0;
    text-align: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero { background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/hero-bg.jpg'); }
.secondary-hero { background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/nosotros-bg.jpg'); }

.hero h1, .secondary-hero h1 { 
    font-size: 3rem; 
    margin-bottom: 20px; 
    color: var(--color-blanco);
}


.hero p, .secondary-hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* =========================================
   4. DISEÑO DE GRIDS Y SECCIONES
   ========================================= */
.section-padding { padding: 60px 0; }

h2 {
    text-align: center;
    color: var(--color-primario);
    margin-bottom: 40px;
    font-size: 2.2rem;
}

.bg-light { background-color: var(--color-gris-fondo); }

/* Grid de Servicios (Principal e Index) */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* Grid de Contenido (Página Nosotros) */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Ajustado para mejor respuesta */
    gap: 40px;
    align-items: center;
}

/* Alineación específica para texto en Nosotros */
.text-content h2 {
    text-align: left;
    margin-bottom: 20px;
}

.text-content p {
    text-align: left;
}

/* =========================================
   5. TARJETAS Y BOTONES (CORREGIDOS)
   ========================================= */
.service-card {
    background: var(--color-blanco);
    border-radius: 12px;
    box-shadow: var(--sombra);
    border-bottom: 4px solid var(--color-secundario);
    transition: var(--transicion);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
}

.service-image-top {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.service-image-top img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-info {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Empuja el botón al final */
}

/* Botón "SABER MÁS" (Estilo Imagen 2 corregido) */
.btn-modern {
    margin-top: 15px;
    display: inline-flex;
    align-items: center;
    color: var(--color-primario) !important; /* Mantiene azul aunque sea visitado */
    font-family: var(--fuente-titulos);
    font-weight: 700;
    text-transform: uppercase; /* Fuerza Mayúsculas */
    font-size: 0.85rem;
    gap: 8px;
    text-decoration: none;
    transition: var(--transicion);
}

.btn-modern:hover {
    color: var(--color-secundario) !important;
}

.btn-modern .arrow {
    transition: transform 0.3s ease;
}

.btn-modern:hover .arrow {
    transform: translateX(5px);
}

.cta-button {
    background: var(--color-primario);
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-family: var(--fuente-titulos);
    font-weight: bold;
    display: inline-block;
    transition: var(--transicion);
    border: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    background: var(--color-secundario);
    cursor: pointer;
}

/* =========================================
   6. FOOTER (4 COLUMNAS Y REDES SOCIALES)
   ========================================= */
footer {
    background: var(--color-oscuro);
    color: #cccccc;
    padding: 60px 0 0;
    flex-shrink: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4 Columnas simétricas */
    gap: 30px;
    padding-bottom: 40px;
}

.footer-section h4 {
    color: var(--color-blanco);
    margin-bottom: 20px;
    border-left: 3px solid var(--color-secundario);
    padding-left: 10px;
}

.footer-section p i {
    margin-right: 10px;
    color: var(--color-secundario);
    width: 20px;
    text-align: center;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-link-btn {
    display: flex;
    align-items: center;
    color: var(--color-secundario);
    font-family: var(--fuente-titulos);
    font-weight: bold;
    text-decoration: none;
    transition: var(--transicion);
}

.footer-link-btn i {
    font-size: 1.4rem;
    margin-right: 10px;
}

.footer-link-btn:hover {
    color: var(--color-blanco);
    transform: translateX(5px);
}

.footer-bottom {
    background: #111;
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
    border-top: 1px solid #333;
}

/* =========================================
   7. RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    nav {
        display: none;
        width: 100%;
        position: absolute;
        top: 80px;
        left: 0;
        background: white;
        padding: 20px;
        box-shadow: var(--sombra);
    }
    nav.show { display: block; }
    nav ul { flex-direction: column; gap: 15px; }
    
    .hero h1 { font-size: 2.2rem; }
    .content-grid { grid-template-columns: 1fr; }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-section h4 {
        border-left: none;
        border-bottom: 2px solid var(--color-secundario);
        display: inline-block;
        padding: 0 10px 5px;
    }
    .footer-link-btn { justify-content: center; }
}

/* =========================================
   8. AVISO DE COOKIES
   ========================================= */
.cookie-banner {
    position: fixed;
    bottom: -100%; /* Escondido por defecto */
    left: 0;
    width: 100%;
    background-color: var(--color-oscuro);
    color: var(--color-blanco);
    padding: 20px 0;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.3);
    z-index: 2000;
    transition: bottom 0.5s ease-in-out;
}

.cookie-banner.show {
    bottom: 0; /* Se desliza hacia arriba */
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    font-size: 0.9rem;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
}

.btn-cookie {
    padding: 8px 20px;
    border-radius: 5px;
    border: none;
    font-family: var(--fuente-titulos);
    font-weight: bold;
    cursor: pointer;
    transition: var(--transicion);
}

.btn-cookie.accept {
    background-color: var(--color-secundario);
    color: var(--color-blanco);
}

.btn-cookie.reject {
    background-color: transparent;
    color: #ccc;
    border: 1px solid #555;
}

.btn-cookie:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

/* Ajuste móvil */
@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Asegúrate de que estas reglas existan en tu styles.css */
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-primario);
    text-decoration: none;
    font-family: var(--fuente-titulos);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    margin-bottom: 10px; /* Reducimos el margen inferior */
    transition: var(--transicion);
}

.btn-back:hover {
    color: var(--color-secundario);
    transform: translateX(-5px);
}

.btn-back:hover {
    color: var(--color-secundario);
    transform: translateX(-5px); /* Efecto de desplazamiento a la izquierda */
}