/* =========================================================
   main.css — Estilos globales de 9DJ Clasificados
   Mobile-first, sin frameworks externos
   ========================================================= */

/* --- Variables CSS --- */
:root {
    --color-primario:       #00b3b3;
    --color-primario-hover: #009999;
    --color-primario-suave: #e0fafa;
    --color-secundario:     #007a88;
    --color-fondo:          #f8fcfc;
    --color-fondo-tarjeta:  #ffffff;
    --color-texto:          #1a1d1e;
    --color-texto-suave:    #4a5256;
    --color-borde:          #d1ecec;
    --color-sombra:         rgba(0, 230, 230, 0.15);
    --color-whatsapp:       #25D366;
    --color-error:          #e74c3c;
    --color-exito:          #00b894;
    --radio-borde:          10px;
    --transicion:           0.3s ease;
    --sombra-suave:         0 2px 8px rgba(0, 230, 230, 0.2);
    --sombra-media:         0 4px 16px rgba(0, 230, 230, 0.25);
    --font-principal:       'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
}

/* --- Reset y base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-principal);
    font-size: 1rem;
    color: var(--color-texto);
    background-color: var(--color-fondo);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--color-secundario);
    text-decoration: none;
    transition: color var(--transicion);
}

a:hover { color: var(--color-primario-hover); }

ul, ol { list-style: none; }

input, textarea, select, button {
    font-family: inherit;
    font-size: inherit;
}

/* --- Utilidades --- */
.contenedor {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

/* =========================================================
   NAVEGACIÓN
   ========================================================= */
.nav-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #fff;
    border-bottom: 1px solid var(--color-borde);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-spacer { height: 64px; }

.nav-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

.nav-logo img { height: 36px; width: auto; }

.nav-logo-texto {
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
}

.logo-9dj {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primario);
    letter-spacing: -0.5px;
}

.logo-clasificados {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-texto);
}

/* Buscador */
.nav-busqueda {
    flex: 1;
    max-width: 480px;
}

.busqueda-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.busqueda-icono {
    position: absolute;
    left: 0.75rem;
    pointer-events: none;
    flex-shrink: 0;
}

.busqueda-input {
    width: 100%;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1.5px solid var(--color-borde);
    border-radius: 50px;
    background: var(--color-fondo);
    color: var(--color-texto);
    outline: none;
    transition: border-color var(--transicion), box-shadow var(--transicion);
}

.busqueda-input:focus {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 3px rgba(0, 230, 230, 0.15);
}

/* Botones del nav */
.nav-acciones {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.btn-nav-publicar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--color-primario);
    color: var(--color-texto) !important;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background var(--transicion), transform var(--transicion);
    white-space: nowrap;
}

.btn-nav-publicar:hover {
    background: var(--color-primario-hover);
    transform: translateY(-1px);
    color: var(--color-texto) !important;
}

.btn-nav-login {
    padding: 0.5rem 1rem;
    border: 1.5px solid var(--color-borde);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--color-texto) !important;
    transition: border-color var(--transicion), background var(--transicion);
    white-space: nowrap;
}

.btn-nav-login:hover {
    border-color: var(--color-primario);
    background: var(--color-primario-suave);
    color: var(--color-texto) !important;
}

.btn-nav-panel {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: 1.5px solid var(--color-primario);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--color-secundario) !important;
    font-weight: 600;
    transition: background var(--transicion);
    white-space: nowrap;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-nav-panel:hover { background: var(--color-primario-suave); }

/* Hamburguesa mobile */
.nav-hamburguesa {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}

.nav-hamburguesa span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-texto);
    border-radius: 2px;
    transition: transform var(--transicion), opacity var(--transicion);
}

.nav-mobile-menu {
    padding: 1rem;
    border-top: 1px solid var(--color-borde);
    background: #fff;
}

.mobile-busqueda {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.mobile-busqueda-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1.5px solid var(--color-borde);
    border-radius: 8px;
    outline: none;
}

.mobile-busqueda-btn {
    padding: 0.5rem 1rem;
    background: var(--color-primario);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}

.mobile-links {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-links a {
    display: block;
    padding: 0.6rem 0.5rem;
    color: var(--color-texto) !important;
    border-bottom: 1px solid var(--color-fondo);
    font-size: 0.95rem;
}

.mobile-links a:hover { color: var(--color-primario) !important; }

/* =========================================================
   BOTONES GENERALES
   ========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: background var(--transicion), transform var(--transicion), box-shadow var(--transicion);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primario {
    background: var(--color-primario);
    color: var(--color-texto);
}
.btn-primario:hover { background: var(--color-primario-hover); color: var(--color-texto) !important; }

.btn-secundario {
    background: transparent;
    border: 2px solid var(--color-primario);
    color: var(--color-secundario);
}
.btn-secundario:hover { background: var(--color-primario-suave); color: var(--color-secundario) !important; }

.btn-whatsapp {
    background: var(--color-whatsapp);
    color: #fff !important;
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
}
.btn-whatsapp:hover { background: #1da851; color: #fff !important; }

.btn-peligro {
    background: var(--color-error);
    color: #fff !important;
}
.btn-peligro:hover { background: #c0392b; color: #fff !important; }

.btn-exito {
    background: var(--color-exito);
    color: #fff !important;
}

.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.85rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1.05rem; }
.btn-bloque { width: 100%; }

/* =========================================================
   FORMULARIOS
   ========================================================= */
.form-grupo {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-texto);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 1.5px solid var(--color-borde);
    border-radius: 8px;
    background: #fff;
    color: var(--color-texto);
    transition: border-color var(--transicion), box-shadow var(--transicion);
    outline: none;
}

.form-control:focus {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 3px rgba(0, 230, 230, 0.12);
}

.form-control.error { border-color: var(--color-error); }

textarea.form-control { resize: vertical; min-height: 100px; }

select.form-control { cursor: pointer; }

.form-ayuda {
    font-size: 0.8rem;
    color: var(--color-texto-suave);
    margin-top: 0.3rem;
}

.form-error-msg {
    font-size: 0.82rem;
    color: var(--color-error);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* =========================================================
   ALERTAS / MENSAJES
   ========================================================= */
.alerta {
    padding: 0.85rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.alerta-exito {
    background: #e8f8f5;
    border: 1px solid #a3e4d7;
    color: #1a6b52;
}

.alerta-error {
    background: #fdf2f2;
    border: 1px solid #f5c6cb;
    color: #a93226;
}

.alerta-info {
    background: var(--color-primario-suave);
    border: 1px solid var(--color-borde);
    color: var(--color-secundario);
}

.alerta-advertencia {
    background: #fff9e6;
    border: 1px solid #f9e79f;
    color: #7d6608;
}

/* =========================================================
   TARJETAS DE COMERCIO
   ========================================================= */
.tarjeta-comercio {
    background: var(--color-fondo-tarjeta);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-borde);
    overflow: hidden;
    box-shadow: var(--sombra-suave);
    transition: transform var(--transicion), box-shadow var(--transicion);
    display: flex;
    flex-direction: column;
}

.tarjeta-comercio:hover {
    transform: translateY(-3px);
    box-shadow: var(--sombra-media);
}

.tarjeta-foto {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
    overflow: hidden;
    background: var(--color-fondo);
}

.tarjeta-foto img {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transicion);
}

.tarjeta-comercio:hover .tarjeta-foto img { transform: scale(1.03); }

.tarjeta-cuerpo {
    padding: 0.85rem 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.tarjeta-logo-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tarjeta-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--color-borde);
    object-fit: contain;
    background: var(--color-fondo);
    flex-shrink: 0;
}

.tarjeta-nombre {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-texto);
    margin: 0;
    line-height: 1.3;
}

.tarjeta-categoria {
    font-size: 0.78rem;
    color: var(--color-texto-suave);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tarjeta-descripcion {
    font-size: 0.88rem;
    color: var(--color-texto-suave);
    flex: 1;
    line-height: 1.4;
}

.tarjeta-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--color-fondo);
}

.tarjeta-footer .btn-whatsapp {
    width: 100%;
    font-size: 0.9rem;
    padding: 0.55rem 1rem;
}

/* Grid de comercios */
.grid-comercios {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

/* =========================================================
   GRID DE CATEGORÍAS (botones 100x80px)
   ========================================================= */
.grid-categorias {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
}

.btn-categoria {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 100%;
    min-height: 80px;
    padding: 0.6rem 0.4rem;
    background: var(--color-fondo-tarjeta);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-borde);
    box-shadow: var(--sombra-suave);
    cursor: pointer;
    text-decoration: none;
    color: var(--color-texto);
    transition: transform var(--transicion), box-shadow var(--transicion), border-color var(--transicion);
    text-align: center;
}

.btn-categoria:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 230, 230, 0.3);
    border-color: var(--color-primario);
    color: var(--color-texto) !important;
}

.btn-categoria .cat-icono { flex-shrink: 0; }

.btn-categoria .cat-nombre {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-texto);
    line-height: 1.2;
    word-break: break-word;
    hyphens: auto;
}

/* =========================================================
   SECCIÓN HOME
   ========================================================= */
.seccion {
    padding: 2rem 0;
}

.seccion-titulo {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-texto);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.seccion-titulo::after {
    content: '';
    flex: 1;
    height: 2px;
    background: var(--color-borde);
    border-radius: 2px;
}

/* Hero del home */
.hero {
    background: linear-gradient(135deg, var(--color-primario-suave) 0%, #fff 70%);
    padding: 2.5rem 0 2rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-borde);
}

.hero-titulo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-texto);
    margin-bottom: 0.5rem;
    line-height: 1.25;
}

.hero-subtitulo {
    font-size: 1.05rem;
    color: var(--color-texto-suave);
    margin-bottom: 1.5rem;
}

.hero-busqueda {
    display: flex;
    gap: 0.5rem;
    max-width: 540px;
}

.hero-busqueda-input {
    flex: 1;
    padding: 0.75rem 1.25rem;
    border: 2px solid var(--color-borde);
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transicion), box-shadow var(--transicion);
}

.hero-busqueda-input:focus {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 4px rgba(0, 230, 230, 0.15);
}

.hero-busqueda-btn {
    padding: 0.75rem 1.5rem;
    background: var(--color-primario);
    border: none;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    font-size: 1rem;
    transition: background var(--transicion), transform var(--transicion);
    white-space: nowrap;
}

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

/* =========================================================
   SLIDER DE OFERTAS DEL DÍA
   ========================================================= */
.slider-ofertas {
    position: relative;
    overflow: hidden;
}

.slider-track {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 0.5rem;
}

.slider-track::-webkit-scrollbar { display: none; }

.tarjeta-oferta {
    min-width: 260px;
    max-width: 280px;
    scroll-snap-align: start;
    flex-shrink: 0;
    background: var(--color-fondo-tarjeta);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-borde);
    overflow: hidden;
    box-shadow: var(--sombra-suave);
    transition: transform var(--transicion), box-shadow var(--transicion);
}

.tarjeta-oferta:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

.oferta-imagen {
    width: 100%;
    height: 140px;
    object-fit: cover;
    background: var(--color-fondo);
}

.oferta-cuerpo { padding: 0.85rem; }

.oferta-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.4rem;
}

.badge-oferta       { background: #fff3cd; color: #856404; }
.badge-menu_dia     { background: #d1ecf1; color: #0c5460; }
.badge-promocion    { background: var(--color-primario-suave); color: var(--color-secundario); }

.oferta-titulo {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-texto);
    margin-bottom: 0.3rem;
    line-height: 1.3;
}

.oferta-comercio {
    font-size: 0.8rem;
    color: var(--color-texto-suave);
}

/* =========================================================
   BREADCRUMB
   ========================================================= */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--color-texto-suave);
    padding: 1rem 0 0;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--color-texto-suave) !important;
    transition: color var(--transicion);
}

.breadcrumb a:hover { color: var(--color-primario) !important; }

.breadcrumb-sep { color: var(--color-borde); }

.breadcrumb-actual { color: var(--color-texto); font-weight: 600; }

/* =========================================================
   PÁGINA DE DETALLE COMERCIO
   ========================================================= */
.detalle-header {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.detalle-logo {
    width: 100px;
    height: 100px;
    border-radius: var(--radio-borde);
    border: 2px solid var(--color-borde);
    object-fit: contain;
    background: var(--color-fondo);
    flex-shrink: 0;
}

.detalle-info { flex: 1; min-width: 200px; }

.detalle-nombre {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-texto);
    margin-bottom: 0.3rem;
}

.detalle-categoria-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-primario-suave);
    color: var(--color-secundario);
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.detalle-descripcion {
    color: var(--color-texto-suave);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Galería de fotos */
.galeria {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.galeria-foto {
    border-radius: var(--radio-borde);
    overflow: hidden;
    border: 1px solid var(--color-borde);
    cursor: pointer;
    aspect-ratio: 16/9;
}

.galeria-foto img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transicion);
}

.galeria-foto:hover img { transform: scale(1.03); }

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 9999;
    overflow-y: auto;
    padding: 2rem 1rem;
}

.lightbox.activo { display: block; }

.lightbox-contenedor {
    max-width: 800px;
    margin: 2rem auto;
}

.lightbox img {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
}

.lightbox-cerrar {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transicion);
    z-index: 10000;
}

.lightbox-cerrar:hover { background: rgba(255,255,255,0.3); }

/* Barra flotante WhatsApp (detalle comercio) */
.barra-whatsapp-fija {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--color-fondo-tarjeta);
    border-top: 1px solid var(--color-borde);
    padding: 0.75rem 1rem;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
}

.barra-whatsapp-fija .btn-whatsapp {
    max-width: 500px;
    margin: 0 auto;
    font-size: 1.05rem;
    padding: 0.85rem 2rem;
}

/* Información de contacto */
.info-contacto {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--color-fondo);
    border-radius: 8px;
    border: 1px solid var(--color-borde);
}

.info-item-icono {
    flex-shrink: 0;
    color: var(--color-primario);
    margin-top: 2px;
}

.info-item-contenido { min-width: 0; }
.info-item-etiqueta { font-size: 0.75rem; color: var(--color-texto-suave); text-transform: uppercase; font-weight: 600; }
.info-item-valor { font-size: 0.92rem; color: var(--color-texto); word-break: break-word; }

/* =========================================================
   PÁGINA DE PLANES
   ========================================================= */
.grid-planes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.tarjeta-plan {
    background: var(--color-fondo-tarjeta);
    border: 2px solid var(--color-borde);
    border-radius: 14px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: border-color var(--transicion), box-shadow var(--transicion), transform var(--transicion);
    position: relative;
}

.tarjeta-plan:hover {
    border-color: var(--color-primario);
    box-shadow: var(--sombra-media);
    transform: translateY(-3px);
}

.tarjeta-plan.destacado {
    border-color: var(--color-primario);
    box-shadow: var(--sombra-media);
}

.plan-badge-popular {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primario);
    color: var(--color-texto);
    padding: 0.2rem 1rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}

.plan-nombre {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-texto);
    margin-bottom: 0.5rem;
}

.plan-precio {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primario-hover);
    line-height: 1;
    margin-bottom: 0.2rem;
}

.plan-precio-moneda {
    font-size: 1.2rem;
    vertical-align: top;
    margin-top: 0.4rem;
    display: inline-block;
}

.plan-descripcion {
    color: var(--color-texto-suave);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
    background: #1a2526;
    color: #b2bec3;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    margin-bottom: 0.75rem;
    text-decoration: none;
}

.footer-logo .logo-9dj { font-size: 1.6rem; font-weight: 700; color: var(--color-primario); }
.footer-logo .logo-clasificados { font-size: 1rem; font-weight: 600; color: #dfe6e9; }

.footer-desc { font-size: 0.88rem; line-height: 1.6; margin-bottom: 1rem; }

.footer-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-whatsapp);
    color: #fff !important;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: background var(--transicion);
    text-decoration: none;
}

.footer-whatsapp:hover { background: #1da851; }

.footer-titulo {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #dfe6e9;
    margin-bottom: 0.75rem;
}

.footer-links { display: flex; flex-direction: column; gap: 0.3rem; }

.footer-links a {
    color: #b2bec3 !important;
    font-size: 0.88rem;
    transition: color var(--transicion);
}

.footer-links a:hover { color: var(--color-primario) !important; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.82rem;
}

.footer-legal a {
    color: #b2bec3 !important;
    font-size: 0.82rem;
}

.footer-legal a:hover { color: var(--color-primario) !important; }

/* =========================================================
   BÚSQUEDA
   ========================================================= */
.pagina-busqueda { padding: 1.5rem 0 3rem; }

.busqueda-titulo {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.busqueda-titulo span { color: var(--color-primario-hover); }

.sin-resultados {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-texto-suave);
}

.sin-resultados svg { margin: 0 auto 1rem; display: block; opacity: 0.3; }
.sin-resultados h3 { font-size: 1.2rem; color: var(--color-texto); margin-bottom: 0.5rem; }

/* =========================================================
   PAGINACIÓN
   ========================================================= */
.paginacion {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.paginacion a, .paginacion span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    font-size: 0.9rem;
    text-decoration: none;
    border: 1px solid var(--color-borde);
    color: var(--color-texto) !important;
    transition: background var(--transicion), border-color var(--transicion);
}

.paginacion a:hover {
    background: var(--color-primario-suave);
    border-color: var(--color-primario);
}

.paginacion .activo {
    background: var(--color-primario);
    border-color: var(--color-primario);
    font-weight: 700;
    color: var(--color-texto) !important;
}

/* =========================================================
   AUTENTICACIÓN (login / registro)
   ========================================================= */
.pagina-auth {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.caja-auth {
    background: var(--color-fondo-tarjeta);
    border: 1px solid var(--color-borde);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--sombra-media);
}

.auth-titulo {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-texto);
    margin-bottom: 0.3rem;
}

.auth-subtitulo {
    color: var(--color-texto-suave);
    font-size: 0.92rem;
    margin-bottom: 1.75rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.9rem;
    color: var(--color-texto-suave);
}

/* =========================================================
   SPINNER DE CARGA
   ========================================================= */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0,0,0,0.1);
    border-top-color: var(--color-primario);
    border-radius: 50%;
    animation: girar 0.7s linear infinite;
    vertical-align: middle;
}

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

/* =========================================================
   RESPONSIVE — TABLET (768px+)
   ========================================================= */
@media (min-width: 768px) {
    .nav-busqueda { display: flex; }
    .nav-acciones .btn-nav-publicar span { display: inline; }
    .nav-hamburguesa { display: none; }
    .nav-mobile-menu { display: none !important; }

    .hero-titulo { font-size: 2.2rem; }

    .grid-categorias { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }

    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

/* =========================================================
   RESPONSIVE — MOBILE SOLO (<768px)
   ========================================================= */
@media (max-width: 767px) {
    .nav-busqueda { display: none; }
    .nav-hamburguesa { display: flex; }
    .btn-nav-login { display: none; }
    .btn-nav-publicar span { display: none; }
    .btn-nav-publicar { padding: 0.5rem; border-radius: 50%; width: 36px; height: 36px; }

    .hero { padding: 1.5rem 0 1.25rem; }
    .hero-titulo { font-size: 1.4rem; }
    .hero-busqueda { flex-direction: column; }
    .hero-busqueda-btn { width: 100%; }

    .grid-comercios { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .grid-planes { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .detalle-header { flex-direction: column; }
    .detalle-nombre { font-size: 1.4rem; }

    .caja-auth { padding: 1.5rem; }
}

/* =========================================================
   DESKTOP (1024px+)
   ========================================================= */
@media (min-width: 1024px) {
    .nav-container { padding: 0.75rem 2rem; }
    .contenedor { padding: 0 2rem; }
    .grid-categorias { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
}