/* ==========================================================================
   Variables de Color Corporativo
   ========================================================================== */
:root {
    --azul-marino: #0A192F;
    --azul-electrico: #00D2FF;
    --azul-claro: #3A506B;
    --blanco: #FFFFFF;
    --gris-claro: #F5F5F5;
    --texto-oscuro: #333333;
    --texto-claro: #E0E0E0;
    --transicion: all 0.3s ease-in-out;
}

/* ==========================================================================
   Estilos Generales
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--gris-claro);
    color: var(--texto-oscuro);
    line-height: 1.6;
}

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

.titulo-seccion {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--azul-marino);
}

/* ==========================================================================
   Navegación (Header)
   ========================================================================== */
.navbar {
    background-color: var(--azul-marino);
    color: var(--blanco);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.nav-links a {
    color: var(--blanco);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transicion);
}

.nav-links a:hover {
    color: var(--azul-electrico);
}

.btn-contacto {
    background-color: var(--azul-electrico);
    color: var(--azul-marino) !important;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-weight: bold !important;
}

.btn-contacto:hover {
    background-color: var(--blanco);
}

.logo-img {
    height: 60px;
    width: auto;
    transition: var(--transicion);
}

.logo-img:hover {
    transform: scale(1.05);
}

/* --- Selector de Idiomas --- */
.lang-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--blanco);
    color: var(--blanco);
    padding: 0.2rem 0.6rem;
    font-size: 0.8rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 3px;
    transition: var(--transicion);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lang-btn.active {
    background: var(--azul-electrico);
    color: var(--azul-marino);
    border-color: var(--azul-electrico);
}

/* ==========================================================================
   Sección Hero (Massively con Parallax - Animación MONUMENTAL)
   ========================================================================== */
.hero-massively {
    background: linear-gradient(rgba(10, 25, 47, 0.85), rgba(10, 25, 47, 0.95)), 
                url('img/homenaval.jpg') center/cover;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--blanco);
    padding: 0 2rem;
    overflow: hidden;
}

.brand-animation-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 3rem;
    min-height: 20rem; 
    height: auto;
    width: 100%;
}

.hero-massively .animated-title {
    margin: 0;
    position: relative;
    white-space: nowrap;
    font-size: 8rem;
    line-height: 0.95;
    font-family: 'Source Sans 3', sans-serif; /* Nueva tipografía aplicada */
    font-weight: 600; /* Grosor Semibold */
    letter-spacing: -0.2rem;
    z-index: 1;
    transform-origin: center center;
    animation: squashTextVerticalFluid 1.8s cubic-bezier(1, 0, 0, 1) forwards;
}

.hero-massively .animated-title::before,
.hero-massively .animated-title::after {
    content: '';
    display: block;
    height: 4px;
    width: 45rem;
    background-color: var(--blanco);
    position: absolute;
    left: 50%;
    transform-origin: center center;
    z-index: 2;
}

.hero-massively .animated-title::before {
    top: -4rem;
    animation: crushVerticalTopFluid 1.8s cubic-bezier(1, 0, 0, 1) forwards;
}

.hero-massively .animated-title::after {
    bottom: -4rem;
    animation: crushVerticalBottomFluid 1.8s cubic-bezier(1, 0, 0, 1) forwards;
}

.animated-logo {
    position: absolute;
    max-height: 25rem; 
    width: auto;
    opacity: 0;
    transform: scale(0.95);
    z-index: 3;
    animation: fadeInLogoSmooth 1s ease-out 1.8s forwards;
}

.hero-parrafo {
    font-size: 1.5rem;
    max-width: 800px;
    margin-top: 2rem;
    color: var(--texto-claro);
    z-index: 4;
    position: relative;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
}

.hero-massively .actions {
    list-style: none;
    margin-top: 2rem;
    z-index: 4;
    position: relative;
}

.hero-massively .btn-primario {
    display: inline-block;
    background-color: transparent;
    color: var(--blanco);
    padding: 1rem 3rem;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 4px;
    border: 2px solid var(--blanco);
    cursor: pointer;
    transition: var(--transicion);
}

.hero-massively .btn-primario:hover {
    background-color: var(--blanco);
    color: var(--azul-marino);
}

@keyframes crushVerticalTopFluid {
    0% { transform: translateX(-50%) translate3d(0, 0, 0) scaleY(1); opacity: 1; }
    85% { transform: translateX(-50%) translate3d(0, calc(4rem + 4rem), 0) scaleY(1); opacity: 1; }
    100% { transform: translateX(-50%) translate3d(0, calc(4rem + 4rem), 0) scaleY(0); opacity: 0; }
}

@keyframes crushVerticalBottomFluid {
    0% { transform: translateX(-50%) translate3d(0, 0, 0) scaleY(1); opacity: 1; }
    85% { transform: translateX(-50%) translate3d(0, calc(-4rem - 4rem), 0) scaleY(1); opacity: 1; }
    100% { transform: translateX(-50%) translate3d(0, calc(-4rem - 4rem), 0) scaleY(0); opacity: 0; }
}

@keyframes squashTextVerticalFluid {
    0% { transform: scaleY(1); opacity: 1; }
    85% { transform: scaleY(0); opacity: 0.9; }
    100% { transform: scaleY(0); opacity: 0; visibility: hidden; }
}

@keyframes fadeInLogoSmooth {
    0% { opacity: 0; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1); }
}


/* ==========================================================================
   Sección Nosotros (Acordeón Interactivo Hover / Split-Screen)
   ========================================================================== */
.seccion-nosotros-accordion {
    width: 100vw;
    max-width: 100%;
    height: 70vh; /* Altura ideal para pantallas modernas */
    display: flex;
    overflow: hidden;
    position: relative;
    padding: 0;
    background-color: var(--azul-marino);
}

.titulo-seccion-invisible {
    position: absolute;
    width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); border: 0;
}

/* Estilo base de los paneles: 50% cada uno por defecto */
.panel-accordion {
    flex: 1; /* Ocupan partes iguales al inicio */
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Transición suave para el efecto de expansión/contracción */
    transition: flex 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: pointer;
}

/* --- La magia del Hover (Acordeón) --- */
/* 1. Cuando el mouse entra a la sección entera, preparamos los paneles */
.seccion-nosotros-accordion:hover .panel-accordion {
    flex: 1; /* El panel que NO tiene el mouse se encoge (1 parte) */
}

/* 2. El panel que SI tiene el mouse encima se expande (3 partes) */
.seccion-nosotros-accordion .panel-accordion:hover {
    flex: 3; 
}

/* Fondos */
.panel-mision {
    background: url('img/mision.jpeg') center/cover;
    background-attachment: fixed;
}

.panel-vision {
    background: url('img/vision.jpeg') center/cover;
    background-attachment: fixed;
}

.overlay-panel {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1;
    transition: background-color 0.5s ease;
}

.overlay-celeste { background-color: rgba(0, 140, 200, 0.75); }
.overlay-azul-oscuro { background-color: rgba(10, 50, 120, 0.85); }

/* Oscurecer un poco más el panel que se encoge para dar protagonismo al expandido */
.seccion-nosotros-accordion:hover .panel-accordion:not(:hover) .overlay-panel {
    background-color: rgba(0, 0, 0, 0.85);
}

/* Contenedor del texto central */
.contenido-panel {
    position: relative;
    z-index: 2;
    width: 600px; /* Ancho fijo para que el texto no se deforme al encogerse el panel */
    max-width: 85vw;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.subtitulo-accordion {
    font-family: var(--fuente-principal);
    font-size: 2.8rem;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--blanco);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    margin-bottom: 1.5rem;
    white-space: nowrap; /* Evita que la palabra se parta al reducir el espacio */
    transition: transform 0.5s ease;
}

.texto-accordion {
    font-size: 1.3rem;
    line-height: 1.6;
    color: var(--blanco);
    font-weight: 500;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
    opacity: 1; /* Visible en el estado normal 50/50 */
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* --- Control del Texto en Hover --- */
/* Ocultar la descripción del panel que se reduce */
.seccion-nosotros-accordion:hover .panel-accordion:not(:hover) .texto-accordion {
    opacity: 0;
    transform: translateY(20px); /* Se desliza un poco hacia abajo al desaparecer */
    pointer-events: none; /* Evita que interfiera con el mouse */
}

/* Ajustar verticalmente el título solitario para que quede perfectamente centrado */
.seccion-nosotros-accordion:hover .panel-accordion:not(:hover) .subtitulo-accordion {
    transform: translateY(30px);
}


/* ==========================================================================
   Sección Servicios y Marcas
   ========================================================================== */
.seccion-oscura {
    background-color: var(--gris-claro);
    color: var(--texto-oscuro);
    padding: 5rem 0;
}

.seccion-oscura .titulo-seccion {
    color: var(--azul-marino);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 4rem;
}

.posts-massively {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
}

.posts-massively article {
    flex: 0 1 340px; /* Esto asegura que midan lo mismo y se centren */
    background: var(--blanco);
    border: 1px solid #e0e0e0;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: var(--transicion);
}

.posts-massively article:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.posts-massively article header {
    padding: 2rem;
    border-bottom: 1px solid #e0e0e0;
}

.posts-massively article h3 {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.posts-massively article h3 a {
    text-decoration: none;
    color: var(--azul-marino);
    transition: var(--transicion);
}

.posts-massively article h3 a:hover {
    color: var(--azul-electrico);
}

.posts-massively article .image {
    display: block;
    width: 100%;
    overflow: hidden;
}

.posts-massively article .image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.posts-massively article .image:hover img {
    transform: none;
}

.posts-massively article p {
    padding: 2rem;
    font-size: 0.95rem;
    color: #666;
}

/* ==========================================================================
   Galería Interactiva 
   ========================================================================== */
.seccion-clara {
    background-color: var(--gris-claro);
    padding: 5rem 0;
}

#galeria {
    overflow: hidden; 
    padding: 5rem 0;
    background-color: var(--blanco);
}

.gallery-interactive {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 1rem 0;
    cursor: ew-resize;
}

.gallery-track-2rows {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: fit-content;
}

.gallery-row {
    display: flex;
    gap: 1.5rem;
}

.item-galeria {
    width: 320px;
    height: 200px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.item-galeria img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.item-galeria:hover img {
    transform: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
#footer-massively {
    background-color: var(--blanco);
    border-top: 1px solid #e0e0e0;
    padding: 5rem 0 2rem 0;
}

.footer-split {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
}

.seccion-formulario { flex: 2; min-width: 300px; }
.campos-formulario { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.campo-completo { grid-column: 1 / -1; }

.campo label {
    display: block;
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.8rem;
    color: var(--azul-marino);
}

.campo input, .campo textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ccc;
    background: var(--gris-claro);
    font-family: inherit;
    font-size: 1rem;
}

.campo input:focus, .campo textarea:focus {
    outline: none;
    border-color: var(--azul-electrico);
}

.seccion-datos {
    flex: 1;
    min-width: 250px;
    border-left: 1px solid #e0e0e0;
    padding-left: 4rem;
}

.dato-bloque { margin-bottom: 2.5rem; }
.dato-bloque h3 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; color: var(--azul-marino); }
.dato-bloque p, .dato-bloque a { color: #666; text-decoration: none; font-size: 0.95rem; }
.dato-bloque a:hover { color: var(--azul-electrico); }

#copyright {
    text-align: center;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid #e0e0e0;
    color: #999;
    font-size: 0.85rem;
}

/* ==========================================================================
   Responsive (Adaptación a Móviles Verificada, Alineada y Horizontal)
   ========================================================================== */
@media (max-width: 768px) {
    /* --- Adaptación de Navegación y Header (Horizontal Exacto como en captura) --- */
    .navbar { flex-direction: column; align-items: center; padding: 1.5rem 0.5rem; position: relative; }
    .lang-switcher { position: absolute; top: 1.5rem; right: 1rem; }
    .navbar .logo { display: flex; justify-content: center; width: 100%; margin-bottom: 1.2rem; }
    .logo-img { height: 50px; width: auto; }
    
    .nav-links { 
        flex-direction: row; 
        flex-wrap: wrap; 
        justify-content: center; 
        align-items: center; 
        gap: 0.5rem 0.8rem; /* Espaciado ajustado para que calce perfecto */
        width: 100%; 
        margin-top: 0; 
    }
    
    /* Letra adaptada para los 4 enlaces principales */
    .nav-links a:not(.btn-contacto) {
        font-size: 0.85rem; 
        font-weight: 600;
    }
    
    /* Forzamos al elemento del botón a ocupar el 100% del ancho para que baje a la siguiente línea */
    .nav-links li:last-child {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 0.8rem;
    }
    
    .btn-contacto { 
        padding: 0.5rem 1.5rem;
        font-size: 0.9rem !important;
    }
    
    /* --- Adaptación Monumental del Hero (Inicio) --- */
    .hero-massively { padding: 0 1rem; }
    .brand-animation-container { min-height: 15rem; margin-bottom: 2rem; }
    
    /* El texto ahora usa 'vw' para adaptarse elásticamente al ancho del celular sin desbordarse */
    .hero-massively .animated-title { 
        font-size: 16vw; 
        line-height: 1; 
        letter-spacing: 0; 
    }
    
    .hero-massively .animated-title::before, 
    .hero-massively .animated-title::after { 
        width: 90vw; 
        height: 2px; 
    }
    
    /* Ajuste milimétrico de las líneas para el nuevo tamaño de fuente */
    @keyframes crushVerticalTopFluidMobile { 
        0% { transform: translateX(-50%) translate3d(0, 0, 0) scaleY(1); opacity: 1; } 
        85% { transform: translateX(-50%) translate3d(0, calc(2rem + 2rem), 0) scaleY(1); opacity: 1; } 
        100% { transform: translateX(-50%) translate3d(0, calc(2rem + 2rem), 0) scaleY(0); opacity: 0; } 
    }
    @keyframes crushVerticalBottomFluidMobile { 
        0% { transform: translateX(-50%) translate3d(0, 0, 0) scaleY(1); opacity: 1; } 
        85% { transform: translateX(-50%) translate3d(0, calc(-2rem - 2rem), 0) scaleY(1); opacity: 1; } 
        100% { transform: translateX(-50%) translate3d(0, calc(-2rem - 2rem), 0) scaleY(0); opacity: 0; } 
    }
    
    .hero-massively .animated-title::before { 
        top: -2rem; 
        animation: crushVerticalTopFluidMobile 1.8s cubic-bezier(1, 0, 0, 1) forwards; 
    }
    .hero-massively .animated-title::after { 
        bottom: -2rem; 
        animation: crushVerticalBottomFluidMobile 1.8s cubic-bezier(1, 0, 0, 1) forwards; 
    }
    
    /* Logo centrado naturalmente: eliminamos left/top que causaban el conflicto con la animación */
    .animated-logo { 
        max-height: 8rem; 
        left: auto;
        top: auto;
    }
    
    .hero-parrafo { font-size: 1.1rem; margin-top: 1.5rem; }

    /* --- Adaptación de Nosotros (Misión/Visión) Estático --- */
    .seccion-nosotros-accordion { flex-direction: column; height: auto; }
    .panel-accordion { width: 100%; height: 50vh; pointer-events: none; }
    .texto-accordion { opacity: 1 !important; transform: none !important; font-size: 1rem; }
    .subtitulo-accordion { transform: none !important; margin-bottom: 0.8rem; font-size: 1.8rem; }

    /* --- Adaptación de la Galería (Scroller Táctil Nativo) --- */
    .seccion-clara#galeria { padding: 3rem 0; }
    .gallery-interactive { overflow-x: auto; cursor: default; -webkit-overflow-scrolling: touch; padding-bottom: 1rem; }
    .gallery-track-2rows { flex-direction: row; width: max-content; gap: 0; display: flex; }
    .gallery-row { gap: 1rem; display: flex; flex-wrap: nowrap; }
    .item-galeria { width: 200px; height: 125px; border-radius: 4px; flex-shrink: 0; }
    .item-galeria img { width: 100%; height: 100%; object-fit: cover; }
    
    /* --- Footer --- */
    .footer-split { flex-direction: column; gap: 2rem; }
    .seccion-datos { border-left: none; padding-left: 0; border-top: 1px solid #e0e0e0; padding-top: 2rem; }
    .campos-formulario { grid-template-columns: 1fr; }
}