/* ============================================
   REDCOM - ESTILO ARCOTEL COMPLIANT
   Colores: Azul institucional + Naranja energía
   ============================================ */

:root {
    /* Primarios - Azul institucional (confianza, seriedad) */
    --color-primario: #003366;
    --color-primario-claro: #004080;
    --color-primario-oscuro: #002244;
    
    /* Secundarios - Naranja (energía, velocidad) */
    --color-secundario: #E85D04;
    --color-secundario-claro: #F48C06;
    --color-secundario-oscuro: #D00000;
    
    /* Neutros */
    --color-fondo: #FFFFFF;
    --color-fondo-gris: #F5F7FA;
    --color-texto: #1A1A2E;
    --color-texto-gris: #6B7280;
    --color-borde: #E5E7EB;
    
    /* Estados */
    --color-exito: #059669;
    --color-advertencia: #D97706;
    --color-error: #DC2626;
    --color-info: #2563EB;
    
    /* Dimensiones */
    --header-altura: 80px;
    --espaciado: 1.5rem;
    --max-ancho: 1200px;
    --radio: 8px;
    
    /* Tipografía */
    --fuente-principal: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --fuente-condensada: 'Roboto Condensed', 'Arial Narrow', sans-serif;
}

/* ============================================
   RESET Y BASE
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--fuente-principal);
    background-color: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
    font-size: 16px;
}

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

a {
    color: var(--color-primario);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* ============================================
   UTILIDADES
   ============================================ */

.contenedor {
    max-width: var(--max-ancho);
    margin: 0 auto;
    padding: 0 var(--espaciado);
}

.seccion {
    padding: 4rem 0;
}

.seccion-titulo {
    text-align: center;
    margin-bottom: 3rem;
}

.seccion-titulo h2 {
    color: var(--color-primario);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.seccion-titulo p {
    color: var(--color-texto-gris);
    font-size: 1.1rem;
}

/* ============================================
   HEADER - ARCOTEL BANNER
   ============================================ */

.arcotel-banner {
    background-color: var(--color-primario-oscuro);
    color: white;
    padding: 0.5rem 0;
    font-size: 0.75rem;
}

.arcotel-banner .contenedor {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.arcotel-banner span {
    opacity: 0.9;
}

.arcotel-banner strong {
    color: var(--color-secundario-claro);
}

header {
    background-color: var(--color-fondo);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-altura);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primario);
    text-decoration: none;
}

.logo-icono {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--color-primario) 0%, var(--color-secundario) 100%);
    border-radius: var(--radio);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

nav a {
    color: var(--color-texto);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secundario);
    transition: width 0.3s;
}

nav a:hover::after,
nav a.activo::after {
    width: 100%;
}

nav a.activo {
    color: var(--color-secundario);
}

.btn-contacto {
    background-color: var(--color-secundario);
    color: white !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: var(--radio);
    transition: all 0.3s;
}

.btn-contacto:hover {
    background-color: var(--color-secundario-oscuro);
    transform: translateY(-2px);
}

.btn-contacto::after {
    display: none !important;
}

/* ============================================
   BOTONES
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: var(--radio);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primario {
    background-color: var(--color-primario);
    color: white;
}

.btn-primario:hover {
    background-color: var(--color-primario-claro);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 51, 102, 0.3);
}

.btn-secundario {
    background-color: var(--color-secundario);
    color: white;
}

.btn-secundario:hover {
    background-color: var(--color-secundario-oscuro);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(232, 93, 4, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primario);
    border: 2px solid var(--color-primario);
}

.btn-outline:hover {
    background-color: var(--color-primario);
    color: white;
}

.btn-grande {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ============================================
   CARDS Y CONTENEDORES
   ============================================ */

.card {
    background-color: var(--color-fondo);
    border-radius: var(--radio);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 1px solid var(--color-borde);
    overflow: hidden;
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-borde);
}

.card-body {
    padding: 1.5rem;
}

/* ============================================
   BADGES Y ETIQUETAS
   ============================================ */

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-promo {
    background-color: var(--color-secundario);
    color: white;
}

.badge-nuevo {
    background-color: var(--color-exito);
    color: white;
}

.badge-arcotel {
    background-color: var(--color-info);
    color: white;
}

/* ============================================
   ALERTAS LEGALES (ARCOTEL)
   ============================================ */

.alerta-legal {
    background-color: #FEF3C7;
    border-left: 4px solid var(--color-advertencia);
    padding: 1rem 1.5rem;
    margin: 1rem 0;
    border-radius: 0 var(--radio) var(--radio) 0;
    font-size: 0.9rem;
}

.alerta-legal strong {
    color: var(--color-advertencia);
}

.info-arcotel {
    background-color: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-radius: var(--radio);
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.info-arcotel h4 {
    color: var(--color-info);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ============================================
   TABLAS (PARA PLANES)
   ============================================ */

.tabla-planes {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background-color: white;
    border-radius: var(--radio);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.tabla-planes th {
    background-color: var(--color-primario);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.tabla-planes td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-borde);
}

.tabla-planes tr:hover {
    background-color: var(--color-fondo-gris);
}

.velocidad-garantizada {
    color: var(--color-texto-gris);
    font-size: 0.85rem;
}

/* ============================================
   FOOTER ARCOTEL COMPLIANT
   ============================================ */

footer {
    background-color: var(--color-primario-oscuro);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-marca h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-marca p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.datos-legales {
    background-color: rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: var(--radio);
    font-size: 0.85rem;
}

.datos-legales p {
    margin-bottom: 0.5rem;
    color: rgba(255,255,255,0.9);
}

.datos-legales strong {
    color: var(--color-secundario-claro);
}

.footer-seccion h4 {
    color: var(--color-secundario-claro);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.footer-seccion ul {
    list-style: none;
}

.footer-seccion li {
    margin-bottom: 0.75rem;
}

.footer-seccion a {
    color: rgba(255,255,255,0.8);
    transition: color 0.3s;
}

.footer-seccion a:hover {
    color: var(--color-secundario-claro);
}

.footer-contacto p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: rgba(255,255,255,0.8);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
}

.footer-bottom a {
    color: rgba(255,255,255,0.8);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-altura: 70px;
    }
    
    nav ul {
        display: none; /* Menú hamburguesa en móvil */
    }
    
    .seccion-titulo h2 {
        font-size: 1.75rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}