/* ESTILOS GLOBALES PARA TODA LA PAGINA */

:root {
    --color-oscuro:         #111827;
    --color-carbono:        #1F2937;
    --color-acero:          #374151;
    --color-marca:          #D97706;   /* COLOR PRINCIPAL */
    --color-marca-oscuro:   #B45309;
    --color-marca-claro:    #FEF3C7;
    --color-naranja:        #EA580C;
    --color-blanco:         #FFFFFF;
    --color-gris-claro:     #F9FAFB;
    --color-gris-borde:     #E5E7EB;
    --color-texto:          #111827;
    --color-texto-suave:    #6B7280;
    --color-verde-wp:       #25D366;

    --fuente-display:       'Oswald', sans-serif;
    --fuente-cuerpo:        'Inter', sans-serif;

    --radio-base:           8px;
    --radio-grande:         12px;
    --sombra-suave:         0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --sombra-media:         0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --sombra-grande:        0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);

    --transicion:           all 0.2s ease;
    --alto-navbar:          64px;
}

/* RESETEAR */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--fuente-cuerpo);
    color: var(--color-texto);
    background-color: var(--color-blanco);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
    font-family: var(--fuente-display);
    line-height: 1.2;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: var(--fuente-cuerpo);
}

a {
    text-decoration: none;
    color: inherit;
}

/* SCROLLBAR */

::-webkit-scrollbar         { width: 6px; }
::-webkit-scrollbar-track   { background: var(--color-gris-claro); }
::-webkit-scrollbar-thumb   { background: var(--color-marca); border-radius: 3px; }

/* BARRA DE NAVEGACION */

#barra-navegacion {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-oscuro);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.nav-contenedor {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: var(--alto-navbar);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.logo-bloque {
    width: 40px;
    height: 40px;
    background-color: var(--color-marca);
    border-radius: var(--radio-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--fuente-display);
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--color-blanco);
    flex-shrink: 0;
}

.logo-texto {
    display: flex;
    flex-direction: column;
}

.logo-nombre {
    font-family: var(--fuente-display);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-blanco);
    letter-spacing: 0.05em;
    line-height: 1.2;
}

.logo-subtitulo {
    font-size: 0.7rem;
    color: var(--color-marca);
    letter-spacing: 0.1em;
    line-height: 1.2;
}

/* ENLACES PARA LA NAVEGACION */

.nav-enlaces {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-enlace {
    padding: 0.5rem 1rem;
    font-family: var(--fuente-display);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: #D1D5DB;
    border-radius: var(--radio-base);
    transition: var(--transicion);
    background: none;
    border: none;
}

.nav-enlace:hover {
    color: var(--color-blanco);
    background-color: rgba(255,255,255,0.05);
}

.nav-enlace.activo {
    color: var(--color-marca);
    background-color: rgba(255,255,255,0.05);
}

/* BOTON PARA ADMINISTRADORES */

.btn-admin {
    margin-left: 0.75rem;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(217,119,6,0.5);
    border-radius: var(--radio-base);
    font-family: var(--fuente-display);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-marca);
    background: none;
    transition: var(--transicion);
}

.btn-admin:hover {
    background-color: var(--color-marca);
    color: var(--color-blanco);
    border-color: var(--color-marca);
}

/* BOTON HAMBURGUESA PARA MEJOR VISUALIZACION EN DISPOSITIVOS MOVILES */

.nav-hamburguesa {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburguesa span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #D1D5DB;
    border-radius: 2px;
    transition: var(--transicion);
}

.nav-hamburguesa.abierto span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburguesa.abierto span:nth-child(2) { opacity: 0; }
.nav-hamburguesa.abierto span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* MENU  PARA DISPOSITIVOS MOVILES  */

.nav-menu-movil {
    display: none;
    background-color: var(--color-carbono);
    border-top: 1px solid rgba(255,255,255,0.08);
}

.nav-menu-movil.visible {
    display: block;
}

.nav-menu-movil .nav-enlace,
.nav-menu-movil .btn-admin {
    display: block;
    width: 100%;
    text-align: left;
    border-radius: 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 0.875rem 1.5rem;
    margin: 0;
}

/* CONTENIDO PRINCIPAL  */

#contenido-principal {
    padding-top: var(--alto-navbar);
    min-height: calc(100vh - var(--alto-navbar));
}

/* INDICADOR PARA LA CARGA */

.cargando-vista {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gris-borde);
    border-top-color: var(--color-marca);
    border-radius: 50%;
    animation: girar 0.8s linear infinite;
}

@keyframes girar { to { transform: rotate(360deg); } }

/* PIE DE PAGINA */

#pie-pagina {
    background-color: var(--color-oscuro);
    color: #9CA3AF;
}

.pie-contenido {
    max-width: 1280px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
}

.pie-marca .logo-bloque { margin-bottom: 1rem; }

.pie-titulo {
    font-family: var(--fuente-display);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-blanco);
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.pie-texto {
    font-size: 0.875rem;
    line-height: 1.7;
    color: #6B7280;
}

.pie-lista {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pie-lista button {
    font-size: 0.875rem;
    color: #6B7280;
    transition: var(--transicion);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
}

.pie-lista button:hover { color: var(--color-marca); }

.pie-contacto-item {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    margin-bottom: 0.625rem;
    font-size: 0.875rem;
}

.pie-contacto-icono {
    color: var(--color-marca);
    flex-shrink: 0;
    margin-top: 2px;
    font-size: 1rem;
}

.pie-derechos {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1rem 1.5rem;
    text-align: center;
    font-size: 0.75rem;
    color: #4B5563;
}

/* BOTON PARA WHATSAPP  */

.btn-whatsapp {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 900;
    width: 56px;
    height: 56px;
    background-color: var(--color-verde-wp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37,211,102,0.4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}

.btn-whatsapp svg {
    width: 28px;
    height: 28px;
    fill: white;
}

/* INDICADOR DEL ESTADO DE LA BASE DE DATOS   */

.indicador-bd {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.7rem;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
}

.indicador-bd.conectado {
    background: rgba(34,197,94,0.15);
    color: #86EFAC;
}

.indicador-bd.error {
    background: rgba(239,68,68,0.15);
    color: #FCA5A5;
}

.indicador-bd-punto {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.indicador-bd.conectado .indicador-bd-punto { background: #22C55E; animation: parpadeo 2s infinite; }
.indicador-bd.error .indicador-bd-punto     { background: #EF4444; }

@keyframes parpadeo { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* REUTILIZABLES */

.seccion-encabezado {
    text-align: center;
    margin-bottom: 3.5rem;
}

.seccion-etiqueta {
    font-family: var(--fuente-display);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--color-marca);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    display: block;
}

.seccion-titulo {
    font-family: var(--fuente-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-oscuro);
}

.seccion-subtitulo {
    font-size: 1rem;
    color: var(--color-texto-suave);
    max-width: 540px;
    margin: 0.75rem auto 0;
    line-height: 1.7;
}

.contenedor {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn-primario {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--color-marca);
    color: var(--color-blanco);
    font-family: var(--fuente-display);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    padding: 0.75rem 2rem;
    border-radius: var(--radio-base);
    border: none;
    cursor: pointer;
    transition: var(--transicion);
}

.btn-primario:hover {
    background-color: var(--color-marca-oscuro);
    transform: translateY(-1px);
}

.btn-secundario {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    color: var(--color-blanco);
    font-family: var(--fuente-display);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    padding: 0.75rem 2rem;
    border-radius: var(--radio-base);
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
    transition: var(--transicion);
}

.btn-secundario:hover {
    border-color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.05);
}

/* DISEÑO RESPONSIVO GENERAL */

@media (max-width: 768px) {
    .nav-enlaces       { display: none; }
    .nav-hamburguesa   { display: flex; }
    .logo-texto        { display: none; }

    .seccion-titulo    { font-size: 1.75rem; }
    .pie-contenido     { grid-template-columns: 1fr; gap: 2rem; }
}