/* --- VARIABLES GLOBALES (ENERGÍA: AZUL PRESENCIA) --- */
:root {
    --azul-contacto: #2F6FA3;    /* Azul Presencia */
    --azul-hover: #1A4C8B;       /* Azul Maestro */
    --azul-glow: rgba(47, 111, 163, 0.4);
    
    --negro: #000000;
    --negro-suave: #0a0a0a;
    --blanco: #ffffff;
    --gris-texto: #aaaaaa;

    --fuente-titulo: 'Lato', sans-serif;
    --fuente-texto: 'Lato', sans-serif;
}

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

body.interna-body {
    background: radial-gradient(circle at top right, #001226, #000000);
    background-attachment: fixed;
    color: var(--blanco);
    font-family: var(--fuente-texto);
    line-height: 1.6;
}

/* --- HEADER UNIFICADO --- */
.header-interna {
    position: sticky; 
    top: 0; 
    width: 100%; 
    z-index: 1000;
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    padding: 40px 5%; 
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand a { 
    text-decoration: none; 
    color: var(--blanco); 
    font-family: var(--fuente-texto); 
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    font-weight: 300; 
    letter-spacing: 4px; 
    text-transform: uppercase;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

/* --- NAVEGACIÓN Y DROPDOWN (ESTILO INDEX) --- */
.nav-principal { 
    display: flex; 
    align-items: center; 
    gap: 18px; 
}

/* Contenedor Dropdown: Sin huecos extra */
.nav-item.dropdown {
    position: relative;
    display: flex;
    align-items: center;
    padding: 0;
    margin: 0;
}

.nav-principal a {
    color: var(--blanco); 
    text-decoration: none; 
    font-size: 0.75rem;
    text-transform: uppercase; 
    letter-spacing: 1px; 
    transition: all 0.3s ease;
}

.nav-principal a:hover, 
.nav-principal a.active { 
    color: var(--azul-contacto) !important; 
}

/* Flecha del Dropdown */
.dropdown-arrow {
    font-size: 0.6rem;
    color: var(--azul-contacto);
    margin-left: 4px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

/* Menú Desplegable */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--negro);
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 240px;
    padding: 10px 0;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    text-align: left;
    font-size: 0.7rem !important;
}

.dropdown-menu a:hover {
    background: rgba(47, 111, 163, 0.15); /* Azul contacto transparente */
    color: var(--azul-contacto) !important;
}

/* Efectos Escritorio */
@media (min-width: 901px) {
    .nav-item.dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(5px);
    }
    .nav-item.dropdown:hover .dropdown-arrow {
        transform: rotate(180deg);
    }
}

/* --- REPRODUCTOR DE AUDIO --- */
.audio-player {
    display: flex; 
    align-items: center; 
    gap: 15px;
    background: rgba(255,255,255,0.05); 
    padding: 8px 20px;
    border-radius: 50px; 
    border: 1px solid rgba(26, 76, 139, 0.3); 
}

#play-pause { 
    background: none; 
    border: none; 
    color: var(--azul-hover); 
    cursor: pointer; 
    font-size: 1rem;
}

.track-info { display: flex; flex-direction: column; }

.track-name { 
    font-size: 0.55rem; 
    color: var(--gris-texto); 
    white-space: nowrap; 
    overflow: hidden; 
    max-width: 150px; 
    text-overflow: ellipsis; 
}

.progress-container { 
    width: 60px; 
    height: 2px; 
    background: #222; 
    position: relative; 
    margin-top: 4px; 
}

.progress-bar { 
    height: 100%; 
    background: var(--azul-hover); 
    width: 0%; 
    transition: 0.3s; 
}

/* --- BOTÓN DE IDIOMA --- */
/* --- BOTÓN DE IDIOMA CORREGIDO --- */
.lang-btn {
    background: transparent; 
    border: 1px solid var(--azul-contacto);
    color: var(--blanco); 
    padding: 4px 10px; 
    cursor: pointer;
    font-family: var(--fuente-texto);
    font-size: 0.7rem; 
    font-weight: bold; 
    margin-left: 10px; 
    transition: all 0.3s ease;
    text-transform: uppercase;
}

/* Solo aplica el hover en PC */
@media (hover: hover) and (pointer: fine) {
    .lang-btn:hover {
        background: var(--azul-contacto); /* Cambiado de azul-maestro a azul-contacto */
        color: #fff;
        box-shadow: 0 0 15px var(--azul-glow); /* Usamos el glow que ya tienes definido */
    }
}

/* Efecto al tocar en móvil */
.lang-btn:active {
    background: var(--azul-contacto);
    color: #fff;
}

/* --- SECCIÓN CONTACTO --- */
.container-contacto { padding: 60px 5%; max-width: 1200px; margin: 0 auto; }
.contacto-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }

.titulo-servicio {
    font-family: var(--fuente-texto); 
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 300; 
    letter-spacing: 6px; 
    text-transform: uppercase;
    color: var(--azul-hover); 
    margin-bottom: 15px; 
    text-shadow: 0 0 15px rgba(0, 191, 255, 0.3);
}

.txt-azul { color: var(--azul-contacto); text-shadow: 0 0 10px var(--azul-glow); }

.item-contacto { display: flex; align-items: center; margin-bottom: 18px; font-size: 1.1rem; }
.icono-azul { color: var(--azul-contacto); margin-right: 12px; font-size: 1.2rem; width: 25px; text-align: center; }

.item-contacto a { color: var(--blanco); text-decoration: none; transition: 0.3s; padding: 10px 0; }
.item-contacto a:hover .info-hover { color: var(--azul-contacto); text-shadow: 0 0 8px var(--azul-glow); }

/* --- REDES SOCIALES --- */
.redes-sociales-container { margin-top: 35px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.1); }
.label-redes { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; color: var(--gris-texto); margin-bottom: 15px; }
.grid-redes { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 10px; }
.card-red { background: #0a0a0a; border: 1px solid #222; padding: 20px; text-decoration: none; display: flex; flex-direction: column; transition: 0.4s; }
.nombre-red { color: var(--blanco); font-size: 0.85rem; font-weight: bold; margin-bottom: 4px; }
.status-red { font-size: 0.6rem; color: #444; text-transform: uppercase; letter-spacing: 1px; }
.card-red:hover { border-color: var(--azul-contacto); transform: translateY(-3px); box-shadow: 0 5px 15px var(--azul-glow); }
.card-red:hover .status-red, .card-red:hover .nombre-red { color: var(--azul-contacto); }

/* --- BOTONES Y FORMULARIO --- */
.form-botones { display: flex; gap: 10px; }
.btn-enviar { flex: 2; padding: 18px; background: var(--azul-contacto); color: white; border: none; text-transform: uppercase; font-weight: bold; letter-spacing: 2px; cursor: pointer; transition: 0.4s; font-family: var(--fuente-texto); }
.btn-enviar:hover { background: var(--azul-hover); box-shadow: 0 0 20px var(--azul-glow); transform: translateY(-3px); }

.btn-borrar { flex: 1; padding: 18px; background: transparent; color: var(--gris-texto); border: 1px solid #333; text-transform: uppercase; font-weight: bold; letter-spacing: 2px; cursor: pointer; transition: 0.4s; font-family: var(--fuente-texto); }
.btn-borrar:hover { border-color: #ff4d4d; color: #ff4d4d; }

.btn-whatsapp { 
    display: inline-block; 
    margin-top: 20px; 
    padding: 15px 25px; 
    background-color: #25D366; 
    color: white; 
    text-decoration: none; 
    border-radius: 5px; 
    font-weight: bold; 
    transition: 0.3s; 
    font-family: var(--fuente-texto);
}
.btn-whatsapp:hover { transform: scale(1.05); background-color: #128C7E; box-shadow: 0 0 15px rgba(37, 211, 102, 0.4); }

.grupo-input { margin-bottom: 25px; }
.grupo-input label { display: block; margin-bottom: 8px; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 2px; color: var(--gris-texto); }
.grupo-input input, .grupo-input textarea { 
    width: 100%; 
    padding: 12px; 
    background: rgba(255, 255, 255, 0.03); 
    border: 1px solid #333; 
    color: white; 
    outline: none; 
    transition: 0.3s; 
    font-family: var(--fuente-texto);
}
.grupo-input input:focus, .grupo-input textarea:focus { 
    border-color: var(--azul-contacto); 
    background: rgba(47, 111, 163, 0.05);
}

/* --- FOOTER --- */
.home-footer { position: fixed; bottom: 20px; left: 5%; z-index: 100; pointer-events: none; }
.home-footer p { font-size: 0.7rem; color: var(--gris-texto); text-transform: uppercase; letter-spacing: 2px; opacity: 0.6; }

/* --- RESPONSIVE UNIFICADO --- */
@media (max-width: 900px) {
    .header-interna { 
        flex-direction: column; 
        padding: 30px 5%; 
        gap: 20px; 
    }
    
    .nav-principal { 
        justify-content: center; 
        flex-wrap: wrap; 
        width: 100%; 
        gap: 15px; 
    }

    /* Regla para el script de click en móvil */
    .dropdown-menu.active {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateX(-50%) translateY(0) !important;
        position: absolute;
        top: 35px;
    }

    .dropdown-arrow.active {
        transform: rotate(180deg);
    }
    
    .contacto-wrapper { grid-template-columns: 1fr; gap: 40px; }
    
    .home-footer { 
        position: relative; 
        text-align: center; 
        pointer-events: auto; 
        bottom: 20px; 
        left: 0; 
        width: 100%; 
        padding: 20px 0; 
    }
}