/* CRPURAVIDA - Estilos principales */ 
/* =============================================
   CRPURAVIDA - Estilos Principales
   Archivo: css/estilos.css
   Diseño: Azul degradado, moderno, responsivo
   ============================================= */

/* --- Variables de colores --- */
:root {
    --azul-oscuro:    #0a1628;
    --azul-medio:     #1a3a6b;
    --azul-primario:  #1e5fc2;
    --azul-claro:     #4a90d9;
    --azul-brillante: #00b4ff;
    --blanco:         #ffffff;
    --gris-claro:     #f0f4f8;
    --gris-texto:     #cdd5e0;
    --acento:         #00e5ff;
    --sombra:         rgba(0, 180, 255, 0.3);
    --degradado-bg:   linear-gradient(135deg, #0a1628 0%, #1a3a6b 50%, #0d2245 100%);
    --degradado-card: linear-gradient(145deg, rgba(30,95,194,0.2), rgba(10,22,40,0.8));
    --radio-borde:    12px;
    --transicion:     all 0.3s ease;
}

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

html {
    scroll-behavior: smooth; /* Scroll suave para anclas */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--degradado-bg);
    background-attachment: fixed;
    color: var(--blanco);
    min-height: 100vh;
    line-height: 1.6;
}

/* --- Scrollbar personalizado --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--azul-oscuro); }
::-webkit-scrollbar-thumb { background: var(--azul-primario); border-radius: 4px; }

/* =============================================
   HEADER
   ============================================= */
.header {
    background: linear-gradient(180deg, rgba(10,22,40,0.98) 0%, rgba(26,58,107,0.95) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--azul-brillante);
    box-shadow: 0 4px 20px rgba(0, 180, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

/* Barra superior del header */
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Logo y nombre */
.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.header-logo img {
    width: 55px;
    height: 55px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px var(--azul-brillante));
}

/* Nombre central del sitio */
.header-nombre {
    text-align: center;
    flex: 1;
}

.header-nombre h1 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--azul-brillante), var(--blanco), var(--azul-claro));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    line-height: 1;
}

.header-nombre span {
    font-size: 0.75rem;
    color: var(--gris-texto);
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* Zona derecha del header (usuario logueado) */
.header-acciones {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 200px;
    justify-content: flex-end;
}

.header-usuario {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 180, 255, 0.1);
    border: 1px solid var(--azul-brillante);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.btn-cerrar-sesion {
    background: rgba(255, 60, 60, 0.2);
    border: 1px solid #ff4444;
    color: #ff8888;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transicion);
}

.btn-cerrar-sesion:hover {
    background: rgba(255, 60, 60, 0.4);
    color: white;
}

/* --- Menú de navegación --- */
.nav-menu {
    background: rgba(10, 22, 40, 0.9);
    border-top: 1px solid rgba(0, 180, 255, 0.2);
}

.nav-menu ul {
    display: flex;
    list-style: none;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    flex-wrap: wrap;
}

.nav-menu ul li a {
    display: block;
    padding: 14px 18px;
    color: var(--gris-texto);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: var(--transicion);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.nav-menu ul li a:hover,
.nav-menu ul li a.activo {
    color: var(--azul-brillante);
    border-bottom-color: var(--azul-brillante);
    background: rgba(0, 180, 255, 0.05);
}

/* Ícono carrito en menú */
.nav-carrito {
    position: relative;
}

.nav-carrito .badge {
    position: absolute;
    top: 8px;
    right: 4px;
    background: var(--azul-brillante);
    color: var(--azul-oscuro);
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hamburger para móvil */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--blanco);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: linear-gradient(180deg, rgba(10,22,40,0.95), rgba(5,10,20,1));
    border-top: 2px solid var(--azul-brillante);
    padding: 50px 20px 20px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto 30px;
}

.footer-col h3 {
    color: var(--azul-brillante);
    font-size: 1rem;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0, 180, 255, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col p,
.footer-col a {
    color: var(--gris-texto);
    font-size: 0.9rem;
    line-height: 2;
    text-decoration: none;
    display: block;
    transition: var(--transicion);
}

.footer-col a:hover {
    color: var(--azul-brillante);
    padding-left: 5px;
}

/* Redes sociales en footer */
.footer-redes {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.footer-redes a {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(30, 95, 194, 0.3);
    border: 1px solid var(--azul-primario);
    border-radius: 50%;
    font-size: 1.2rem;
    transition: var(--transicion);
    color: var(--blanco) !important;
}

.footer-redes a:hover {
    background: var(--azul-primario);
    border-color: var(--azul-brillante);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--sombra);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gris-texto);
    font-size: 0.85rem;
}

/* =============================================
   BANNER PRINCIPAL (Slider de productos)
   ============================================= */
.banner-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    height: 420px;
    background: linear-gradient(135deg, #0a1628, #1a3a6b);
    border-bottom: 2px solid var(--azul-brillante);
}

.banner-slides {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.6s ease-in-out;
}

.banner-slide {
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    gap: 40px;
    background: linear-gradient(135deg, rgba(10,22,40,0.9), rgba(26,58,107,0.8));
}

.banner-slide-img {
    width: 280px;
    height: 280px;
    object-fit: contain;
    filter: drop-shadow(0 0 20px var(--sombra));
    animation: flotar 3s ease-in-out infinite;
}

@keyframes flotar {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.banner-slide-info {
    max-width: 400px;
    color: white;
}

.banner-slide-info h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--azul-brillante);
}

.banner-slide-info .precio {
    font-size: 2rem;
    font-weight: 700;
    color: var(--acento);
    margin: 10px 0;
}

.banner-slide-info p {
    color: var(--gris-texto);
    margin-bottom: 15px;
}

/* Controles del banner */
.banner-prev,
.banner-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 180, 255, 0.2);
    border: 2px solid var(--azul-brillante);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transicion);
    z-index: 10;
}

.banner-prev { left: 15px; }
.banner-next { right: 15px; }

.banner-prev:hover,
.banner-next:hover {
    background: var(--azul-primario);
    box-shadow: 0 0 15px var(--sombra);
}

/* Indicadores del banner */
.banner-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.banner-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transicion);
    border: none;
}

.banner-dot.activo {
    background: var(--azul-brillante);
    box-shadow: 0 0 8px var(--azul-brillante);
}

/* =============================================
   TARJETAS DE PRODUCTOS
   ============================================= */
.productos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
    padding: 20px 0;
}

.producto-card {
    background: var(--degradado-card);
    border: 1px solid rgba(30, 95, 194, 0.4);
    border-radius: var(--radio-borde);
    overflow: hidden;
    transition: var(--transicion);
    cursor: pointer;
    position: relative;
}

.producto-card:hover {
    transform: translateY(-5px);
    border-color: var(--azul-brillante);
    box-shadow: 0 10px 30px var(--sombra);
}

.producto-card-img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background: rgba(10, 22, 40, 0.5);
    padding: 10px;
}

.producto-card-body {
    padding: 15px;
}

.producto-card-marca {
    font-size: 0.75rem;
    color: var(--azul-claro);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.producto-card-nombre {
    font-size: 1rem;
    font-weight: 600;
    margin: 5px 0;
    color: white;
}

.producto-card-precio {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--acento);
}

.btn-agregar-carrito {
    width: 100%;
    padding: 10px;
    background: linear-gradient(90deg, var(--azul-primario), var(--azul-claro));
    border: none;
    border-radius: 0 0 var(--radio-borde) var(--radio-borde);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transicion);
    margin-top: 10px;
}

.btn-agregar-carrito:hover {
    background: linear-gradient(90deg, var(--azul-claro), var(--azul-brillante));
    box-shadow: 0 5px 15px var(--sombra);
}

/* =============================================
   FILTRO DE CATEGORÍAS
   ============================================= */
.filtro-categorias {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding: 15px 0;
    margin-bottom: 10px;
}

.filtro-btn {
    padding: 8px 20px;
    background: rgba(30, 95, 194, 0.2);
    border: 1px solid var(--azul-primario);
    border-radius: 25px;
    color: var(--gris-texto);
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transicion);
}

.filtro-btn:hover,
.filtro-btn.activo {
    background: var(--azul-primario);
    color: white;
    border-color: var(--azul-brillante);
    box-shadow: 0 0 10px var(--sombra);
}

/* =============================================
   MODAL DE PRODUCTO
   ============================================= */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal-overlay.activo {
    display: flex;
}

.modal-contenido {
    background: linear-gradient(145deg, #0d1f40, #1a3a6b);
    border: 1px solid var(--azul-brillante);
    border-radius: 16px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-cerrar {
    position: absolute;
    top: 15px; right: 15px;
    background: rgba(255, 60, 60, 0.2);
    border: 1px solid #ff4444;
    color: white;
    width: 35px; height: 35px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transicion);
}

.modal-cerrar:hover { background: rgba(255, 60, 60, 0.5); }

/* Galería de imágenes en modal */
.modal-galeria-principal {
    width: 100%;
    height: 300px;
    object-fit: contain;
    border-radius: 8px;
    background: rgba(10, 22, 40, 0.5);
    margin-bottom: 10px;
    cursor: zoom-in;
}

.modal-galeria-miniaturas {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.modal-miniatura {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid rgba(30, 95, 194, 0.4);
    cursor: pointer;
    transition: var(--transicion);
}

.modal-miniatura:hover,
.modal-miniatura.activo {
    border-color: var(--azul-brillante);
    box-shadow: 0 0 10px var(--sombra);
}

/* =============================================
   CARRITO DE COMPRAS
   ============================================= */
.carrito-overlay {
    display: none;
    position: fixed;
    top: 0; right: 0;
    width: 380px;
    height: 100%;
    background: linear-gradient(180deg, #0a1628, #0d2245);
    border-left: 2px solid var(--azul-brillante);
    z-index: 1500;
    padding: 20px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    transition: transform 0.3s ease;
    transform: translateX(100%);
}

.carrito-overlay.activo {
    display: block;
    transform: translateX(0);
}

.carrito-item {
    display: flex;
    gap: 10px;
    padding: 12px;
    background: rgba(30, 95, 194, 0.1);
    border-radius: 8px;
    margin-bottom: 10px;
    border: 1px solid rgba(30, 95, 194, 0.3);
}

.carrito-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
}

.carrito-cantidad {
    display: flex;
    align-items: center;
    gap: 8px;
}

.carrito-cantidad button {
    width: 28px;
    height: 28px;
    background: var(--azul-primario);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =============================================
   SECCIÓN DE SERVICIOS
   ============================================= */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    padding: 20px 0;
}

.servicio-card {
    background: var(--degradado-card);
    border: 1px solid rgba(30, 95, 194, 0.4);
    border-radius: var(--radio-borde);
    padding: 30px 24px;
    text-align: center;
    transition: var(--transicion);
    text-decoration: none;
    color: white;
    display: block;
}

.servicio-card:hover {
    transform: translateY(-8px);
    border-color: var(--azul-brillante);
    box-shadow: 0 15px 35px var(--sombra);
}

.servicio-card .icono {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--azul-brillante);
    display: block;
}

.servicio-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--azul-brillante);
}

.servicio-card p {
    color: var(--gris-texto);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Lista de servicios específicos */
.servicio-lista {
    list-style: none;
    margin-top: 20px;
}

.servicio-lista li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: rgba(30, 95, 194, 0.1);
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 3px solid var(--azul-brillante);
    transition: var(--transicion);
}

.servicio-lista li:hover {
    background: rgba(30, 95, 194, 0.2);
    transform: translateX(5px);
}

/* =============================================
   SECCIONES GENERALES
   ============================================= */
.seccion {
    max-width: 1400px;
    margin: 0 auto;
    padding: 50px 20px;
}

.seccion-titulo {
    text-align: center;
    margin-bottom: 40px;
}

.seccion-titulo h2 {
    font-size: 2rem;
    color: var(--azul-brillante);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.seccion-titulo h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--azul-brillante);
    border-radius: 3px;
}

.seccion-titulo p {
    color: var(--gris-texto);
    max-width: 600px;
    margin: 20px auto 0;
}

/* =============================================
   BOTONES GENERALES
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transicion);
    text-decoration: none;
    border: none;
    letter-spacing: 0.5px;
}

.btn-primario {
    background: linear-gradient(90deg, var(--azul-primario), var(--azul-claro));
    color: white;
}

.btn-primario:hover {
    background: linear-gradient(90deg, var(--azul-claro), var(--azul-brillante));
    box-shadow: 0 5px 20px var(--sombra);
    transform: translateY(-2px);
}

.btn-secundario {
    background: transparent;
    border: 2px solid var(--azul-brillante);
    color: var(--azul-brillante);
}

.btn-secundario:hover {
    background: var(--azul-brillante);
    color: var(--azul-oscuro);
}

.btn-peligro {
    background: rgba(255, 60, 60, 0.2);
    border: 1px solid #ff4444;
    color: #ff8888;
}

.btn-peligro:hover {
    background: rgba(255, 60, 60, 0.4);
    color: white;
}

.btn-whatsapp {
    background: linear-gradient(90deg, #25d366, #128c7e);
    color: white;
}

.btn-whatsapp:hover {
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    transform: translateY(-2px);
}

/* =============================================
   FORMULARIOS
   ============================================= */
.form-grupo {
    margin-bottom: 20px;
}

.form-grupo label {
    display: block;
    color: var(--azul-claro);
    font-size: 0.9rem;
    margin-bottom: 6px;
    font-weight: 500;
}

.form-grupo input,
.form-grupo textarea,
.form-grupo select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(10, 22, 40, 0.8);
    border: 1px solid rgba(30, 95, 194, 0.5);
    border-radius: 8px;
    color: white;
    font-size: 0.95rem;
    transition: var(--transicion);
    outline: none;
    font-family: inherit;
}

.form-grupo input:focus,
.form-grupo textarea:focus,
.form-grupo select:focus {
    border-color: var(--azul-brillante);
    box-shadow: 0 0 10px rgba(0, 180, 255, 0.2);
    background: rgba(10, 22, 40, 0.95);
}

.form-grupo input::placeholder,
.form-grupo textarea::placeholder {
    color: rgba(205, 213, 224, 0.4);
}

/* Campo de contraseña con toggle */
.input-password {
    position: relative;
}

.input-password input {
    padding-right: 45px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--azul-claro);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0;
    display: flex;
    align-items: center;
}

/* =============================================
   ALERTAS
   ============================================= */
.alerta {
    padding: 12px 18px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alerta-success {
    background: rgba(40, 167, 69, 0.2);
    border: 1px solid #28a745;
    color: #7ee89a;
}

.alerta-danger {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid #dc3545;
    color: #f5a7ae;
}

.alerta-warning {
    background: rgba(255, 193, 7, 0.2);
    border: 1px solid #ffc107;
    color: #ffe07e;
}

/* =============================================
   PANEL ADMINISTRATIVO
   ============================================= */
.admin-layout {
    display: flex;
    min-height: calc(100vh - 80px);
}

.admin-sidebar {
    width: 250px;
    background: rgba(10, 22, 40, 0.95);
    border-right: 1px solid rgba(0, 180, 255, 0.2);
    padding: 20px 0;
    flex-shrink: 0;
}

.admin-sidebar a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: var(--gris-texto);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transicion);
    border-left: 3px solid transparent;
}

.admin-sidebar a:hover,
.admin-sidebar a.activo {
    color: var(--azul-brillante);
    background: rgba(0, 180, 255, 0.05);
    border-left-color: var(--azul-brillante);
}

.admin-contenido {
    flex: 1;
    padding: 30px;
    overflow-x: auto;
}

/* Tabla administrativa */
.tabla-admin {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.tabla-admin th {
    background: rgba(30, 95, 194, 0.3);
    color: var(--azul-brillante);
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--azul-brillante);
}

.tabla-admin td {
    padding: 11px 15px;
    border-bottom: 1px solid rgba(30, 95, 194, 0.2);
    color: var(--gris-texto);
    vertical-align: middle;
}

.tabla-admin tr:hover td {
    background: rgba(30, 95, 194, 0.08);
    color: white;
}

/* Card para formularios admin */
.admin-card {
    background: var(--degradado-card);
    border: 1px solid rgba(30, 95, 194, 0.4);
    border-radius: var(--radio-borde);
    padding: 24px;
    margin-bottom: 24px;
}

.admin-card h3 {
    color: var(--azul-brillante);
    margin-bottom: 20px;
    font-size: 1.1rem;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 180, 255, 0.2);
}

/* =============================================
   LOGIN
   ============================================= */
.login-contenedor {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--degradado-bg);
    padding: 20px;
}

.login-card {
    background: var(--degradado-card);
    border: 1px solid rgba(0, 180, 255, 0.3);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    text-align: center;
}

.login-card img {
    width: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 15px var(--azul-brillante));
}

.login-card h2 {
    color: var(--azul-brillante);
    margin-bottom: 8px;
}

.login-card p {
    color: var(--gris-texto);
    margin-bottom: 30px;
    font-size: 0.9rem;
}

/* =============================================
   QUIÉNES SOMOS
   ============================================= */
.quienes-hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(180deg, rgba(0,180,255,0.05), transparent);
}

.mision-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 20px 0;
}

.mv-card {
    background: var(--degradado-card);
    border: 1px solid rgba(30, 95, 194, 0.4);
    border-radius: var(--radio-borde);
    padding: 30px;
    text-align: center;
    transition: var(--transicion);
}

.mv-card:hover {
    border-color: var(--azul-brillante);
    box-shadow: 0 10px 30px var(--sombra);
    transform: translateY(-5px);
}

.mv-card .mv-icono {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.mv-card h3 {
    color: var(--azul-brillante);
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.mv-card p {
    color: var(--gris-texto);
    line-height: 1.8;
}

/* =============================================
   RESPONSIVO - Pantallas pequeñas
   ============================================= */
@media (max-width: 768px) {
    /* Header móvil */
    .header-top { padding: 10px 15px; }
    .header-nombre h1 { font-size: 1.2rem; }
    .header-acciones { min-width: auto; }
    
    /* Menú móvil */
    .menu-toggle { display: block; }
    .nav-menu ul {
        display: none;
        flex-direction: column;
    }
    .nav-menu ul.abierto { display: flex; }
    .nav-menu ul li a { padding: 12px 20px; }
    
    /* Banner */
    .banner-slider { height: 280px; }
    .banner-slide { flex-direction: column; gap: 15px; padding: 20px; }
    .banner-slide-img { width: 150px; height: 150px; }
    .banner-slide-info h2 { font-size: 1.2rem; }
    .banner-slide-info .precio { font-size: 1.5rem; }
    
    /* Grillas */
    .productos-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 15px; }
    .servicios-grid { grid-template-columns: 1fr; }
    
    /* Admin */
    .admin-layout { flex-direction: column; }
    .admin-sidebar { width: 100%; }
    .admin-contenido { padding: 20px 15px; }
    
    /* Carrito */
    .carrito-overlay { width: 100%; }
    
    /* Modal */
    .modal-contenido { padding: 20px; }
    
    /* Sección */
    .seccion { padding: 30px 15px; }
    .seccion-titulo h2 { font-size: 1.5rem; }
    
    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 480px) {
    .header-logo img { width: 40px; height: 40px; }
    .header-nombre h1 { font-size: 1rem; letter-spacing: 1px; }
    .banner-slider { height: 220px; }
    .banner-slide-img { display: none; } /* Ocultar imagen en pantallas muy pequeñas */
    .btn { padding: 10px 16px; font-size: 0.85rem; }
}

/* =============================================
   UTILIDADES
   ============================================= */
.text-center { text-align: center; }
.text-azul   { color: var(--azul-brillante); }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }
.w-100 { width: 100%; }
.oculto { display: none !important; }