/* =========================================
   1. VARIABLES Y CONFIGURACIÓN BASE
   ========================================= */
:root {
    /* Paleta de Colores: "Calma y Hogar" */
    --primary: #5D737E;      /* Gris Pizarra / Azul Acero (Seriedad y calma) */
    --primary-dark: #3F525C; /* Versión más oscura para hovers */
    --accent: #A98467;       /* Color Tierra / Madera (Calidez humana) */
    
    --bg-light: #F9F9F9;     /* Gris casi blanco para fondos suaves */
    --white: #ffffff;
    
    --text-main: #444444;    /* Gris oscuro para lectura cómoda */
    --text-light: #777777;   /* Gris medio para textos secundarios */
    
    /* Tipografías */
    --font-serif: 'Lora', serif;       /* Elegante, tradicional (Títulos) */
    --font-sans: 'Open Sans', sans-serif; /* Limpia, moderna (Cuerpo) */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--white);
    font-size: 16px;
}

/* Estilos de Texto Generales */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-weight: 600;
}

p {
    margin-bottom: 20px;
}

a {
    text-decoration: none;
    transition: 0.3s ease;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Contenedor Central */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Espaciado de Secciones */
.section {
    padding: 80px 0;
}
.bg-soft {
    background-color: var(--bg-light);
}

/* =========================================
   2. HEADER Y NAVEGACIÓN
   ========================================= */
.top-header {
    background-color: var(--white);
    border-bottom: 1px solid #eee;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

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

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary);
    margin: 0;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.main-nav {
    display: flex;
    align-items: center;
}

.main-nav a {
    margin-left: 25px;
    font-size: 0.95rem;
    color: var(--text-main);
    font-weight: 600;
}

.main-nav a:hover {
    color: var(--accent);
}

.btn-contact {
    border: 1px solid var(--primary);
    padding: 8px 20px;
    border-radius: 4px;
    color: var(--primary) !important;
}

.btn-contact:hover {
    background-color: var(--primary);
    color: var(--white) !important;
}

/* =========================================
   3. HERO SECTION (SPLIT SCREEN & SLIDER)
   ========================================= */
.hero-split {
    display: flex;
    min-height: 85vh; /* Altura considerable */
    background-color: var(--white);
}

/* Lado Izquierdo: Contenido Sólido */
.hero-content-side {
    flex: 1; /* Ocupa espacio proporcional */
    background-color: var(--primary); /* Gris Pizarra sólido */
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    z-index: 10; /* Asegura que el texto esté sobre cualquier capa */
}

.content-wrapper {
    max-width: 500px;
}

.hero-content-side h2 {
    font-family: var(--font-serif);
    color: var(--white);
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 25px;
    font-weight: 400; /* Letra fina para elegancia */
}

.hero-content-side p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

.btn-solid {
    display: inline-block;
    background-color: var(--accent);
    color: var(--white);
    padding: 15px 35px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 2px;
    border: 1px solid var(--accent);
}

.btn-solid:hover {
    background-color: transparent;
    border-color: var(--white);
    color: var(--white);
}

/* Lado Derecho: Slider de Imágenes */
.hero-image-side {
    flex: 1.2;
    position: relative; /* Necesario para posicionar las fotos */
    overflow: hidden;   /* Que no se salga nada */
    background: #ddd;   /* Fondo base por si tarda en cargar */
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0; /* Ocultas por defecto */
    transition: opacity 2s ease-in-out; /* Transición muy lenta y suave */
    z-index: 1;
}

.hero-slide.active {
    opacity: 1; 
    z-index: 2;
}

/* =========================================
   4. SECCIÓN NOSOTROS (CLÁSICA)
   ========================================= */
.grid-classic {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.muted-label {
    display: block;
    font-family: var(--font-serif);
    color: var(--accent);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 15px;
    font-weight: 600;
}

.text-col h3 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    line-height: 1.3;
}

.text-col p {
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 1rem;
}

.img-col img {
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08); 
}

/* =========================================
   5. FRASE DIVISORIA
   ========================================= */
.quote-divider {
    background-color: var(--primary);
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}

.quote-divider blockquote {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-style: italic;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.4;
}

/* =========================================
   6. SERVICIOS (CON ÍCONOS)
   ========================================= */
.center {
    text-align: center;
    margin-bottom: 60px;
}

.center h3 {
    font-size: 2.5rem;
}

.services-list {
    display: grid;
    /* Ajuste automático: mínimo 250px por tarjeta */
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.service-item {
    background: var(--white);
    padding: 35px 20px;
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    transition: transform 0.3s, border-color 0.3s;
    text-align: center; /* Centrar todo el contenido */
}

.service-item:hover {
    border-color: var(--accent);
    transform: translateY(-5px); /* Pequeña elevación al pasar mouse */
}

/* Estilos para los íconos de FontAwesome */
.service-icon {
    font-size: 3rem;
    color: var(--primary); /* Usa el color principal de la marca */
    margin-bottom: 20px;
    display: inline-block;
    transition: color 0.3s;
}

.service-item:hover .service-icon {
    color: var(--accent); /* Cambia de color al pasar el mouse */
}

.service-item h4 {
    color: var(--primary-dark);
    font-size: 1.2rem;
    margin-bottom: 0;
    padding-top: 10px;
    display: block;
}

/* =========================================
   7. CONTACTO
   ========================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: var(--white);
    padding: 50px;
    border: 1px solid #eee;
    border-radius: 4px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
}

.contact-data h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.contact-list {
    margin-top: 30px;
}

.contact-list li {
    margin-bottom: 15px;
    font-size: 1rem;
    border-bottom: 1px solid #f5f5f5;
    padding-bottom: 10px;
    display: flex;
    flex-direction: column;
}

.contact-list strong {
    color: var(--primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

/* Formulario */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #666;
    font-weight: 600;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    background: #fcfcfc;
    font-size: 1rem;
    color: #333;
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
}

.btn-submit {
    background-color: var(--accent);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    width: 100%;
    transition: 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-submit:hover {
    background-color: #8c6d54; /* Un tono más oscuro del accent */
}

/* =========================================
   8. FOOTER
   ========================================= */
.main-footer {
    background-color: #2b2b2b;
    color: #aaa;
    text-align: center;
    padding: 25px 0;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

/* =========================================
   9. RESPONSIVE DESIGN (Móvil)
   ========================================= */
@media (max-width: 900px) {
    /* Hero: Apilar imagen arriba y texto abajo */
    .hero-split {
        flex-direction: column;
        min-height: auto;
    }
    
    .hero-image-side {
        height: 300px; /* Altura fija para la foto en celular */
        order: -1; /* Pone la foto primero arriba */
        flex: none;
    }
    
    .hero-content-side {
        padding: 50px 20px;
        text-align: center;
        flex: none;
    }
    
    .content-wrapper { 
        margin: 0 auto; 
    }
    
    .hero-content-side h2 { 
        font-size: 2.2rem; 
    }

    /* Grid General: Colapsar a 1 columna */
    .grid-classic, 
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .main-nav a {
        margin: 0 10px;
    }
    
    .contact-wrapper {
        padding: 20px;
    }
}