/* ==========================================================================
   UNIVERSALNET - LÍNEA GRÁFICA CORPORATIVA (PROPUESTA V2)
   Inspirado en identidades corporativas de telecomunicaciones (Claro, Tigo, Entel)
   Paleta: Amarillo (#FFD400), Turquesa/Petróleo (#008E99), Azul Oscuro (#1D2F5F)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800;900&family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* Colores Principales de la Línea Gráfica */
    --amarillo: #FFD400;
    --amarillo-hover: #E6BE00;
    --turquesa: #008E99;
    --turquesa-hover: #00767F;
    --turquesa-gradiente: linear-gradient(135deg, #009B9E 0%, #00767F 100%);
    --azul-oscuro: #1D2F5F;
    --azul-oscuro-gradiente: linear-gradient(135deg, #1D2F5F 0%, #111D3B 100%);
    
    /* Colores Neutros y de Texto */
    --texto-oscuro: #2A3447;
    --texto-mutado: #64748B;
    --fondo-claro: #F4F7FC;
    --blanco: #FFFFFF;
    
    /* Tipografía */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Sombras Corporativas Suaves */
    --sombra-sm: 0 4px 12px rgba(29, 47, 95, 0.06);
    --sombra-md: 0 10px 25px rgba(29, 47, 95, 0.12);
    --sombra-lg: 0 20px 45px rgba(29, 47, 95, 0.18);
    --sombra-cta: 0 8px 20px rgba(255, 212, 0, 0.4);
    
    /* Transiciones */
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--texto-oscuro);
    background-color: var(--fondo-claro);
    /* Fondo geométrico sutil y limpio */
    background-image: 
        radial-gradient(at 0% 0%, rgba(0, 142, 153, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(29, 47, 95, 0.05) 0px, transparent 50%),
        linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23008e99' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--azul-oscuro);
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* ==========================================================================
   BOTONES CORPORATIVOS CTA
   ========================================================================== */
.btn-amarillo {
    background-color: var(--amarillo);
    color: var(--azul-oscuro);
    font-family: var(--font-heading);
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 50px;
    border: none;
    box-shadow: var(--sombra-cta);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.btn-amarillo:hover, .btn-amarillo:focus {
    background-color: var(--amarillo-hover);
    color: var(--azul-oscuro);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 28px rgba(255, 212, 0, 0.6);
}

.btn-turquesa {
    background: var(--turquesa-gradiente);
    color: var(--blanco);
    font-family: var(--font-heading);
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 50px;
    border: none;
    box-shadow: 0 8px 20px rgba(0, 142, 153, 0.3);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
}

.btn-turquesa:hover {
    background: linear-gradient(135deg, #00767F 0%, #005F66 100%);
    color: var(--blanco);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(0, 142, 153, 0.5);
}

.btn-outline-azul {
    background: transparent;
    color: var(--azul-oscuro);
    border: 2px solid var(--azul-oscuro);
    font-family: var(--font-heading);
    font-weight: 700;
    padding: 12px 28px;
    border-radius: 50px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.btn-outline-azul:hover {
    background: var(--azul-oscuro);
    color: var(--blanco);
    transform: translateY(-3px);
}

/* ==========================================================================
   NAVBAR STICKY CORPORATIVO
   ========================================================================== */
.navbar-universal {
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 142, 153, 0.15);
    padding: 12px 0;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.navbar-universal.scrolled {
    padding: 8px 0;
    box-shadow: 0 8px 25px rgba(29, 47, 95, 0.1);
    background-color: var(--blanco);
}

.navbar-brand img {
    max-height: 52px;
    transition: var(--transition);
}

.navbar-universal.scrolled .navbar-brand img {
    max-height: 44px;
}

.navbar-nav .nav-link {
    color: var(--azul-oscuro);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 8px 16px !important;
    transition: var(--transition);
    position: relative;
    text-transform: uppercase;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 16px;
    right: 16px;
    height: 3px;
    background-color: var(--turquesa);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--turquesa);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}

/* ==========================================================================
   HERO PRINCIPAL (FIBRA ÓPTICA Y ALTA VELOCIDAD)
   ========================================================================== */
.hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background-color: var(--azul-oscuro);
    overflow: hidden;
    padding: 100px 0 60px;
}

/* Carrusel de fondo integrado */
.hero-bg-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
    animation: slideBackground 20s infinite ease-in-out;
}

@keyframes slideBackground {
    0%, 20% { background-image: url('foto06.png'); transform: scale(1); }
    25%, 45% { background-image: url('foto04.png'); transform: scale(1.05); }
    50%, 70% { background-image: url('foto03.png'); transform: scale(1); }
    75%, 100% { background-image: url('foto05.png'); transform: scale(1.05); }
}

/* Superposición geométrica azul petróleo / oscuro */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(29, 47, 95, 0.92) 0%, rgba(0, 142, 153, 0.85) 60%, rgba(29, 47, 95, 0.95) 100%);
    z-index: 2;
}

/* Detalles geométricos flotantes */
.hero-shapes {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 3;
    pointer-events: none;
    overflow: hidden;
}

.shape-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 212, 0, 0.15) 0%, transparent 70%);
}

.shape-1 { width: 500px; height: 500px; top: -150px; right: -100px; }
.shape-2 { width: 400px; height: 400px; bottom: -100px; left: -100px; background: radial-gradient(circle, rgba(0, 255, 255, 0.15) 0%, transparent 70%); }

.hero-content {
    position: relative;
    z-index: 5;
    color: var(--blanco);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 212, 0, 0.5);
    padding: 8px 20px;
    border-radius: 50px;
    color: var(--amarillo);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 25px;
    backdrop-filter: blur(8px);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: clamp(2.5rem, 5.5vw, 4.2rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--blanco);
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.hero-title span {
    color: var(--amarillo);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: rgba(255, 255, 255, 0.9);
    max-width: 650px;
    margin-bottom: 35px;
    font-weight: 400;
    line-height: 1.7;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    margin-top: 45px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-feat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-feat-icon {
    width: 45px;
    height: 45px;
    background-color: rgba(255, 212, 0, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--amarillo);
    font-size: 1.4rem;
    border: 1px solid rgba(255, 212, 0, 0.3);
}

.hero-feat-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--blanco);
    line-height: 1.2;
}

/* ==========================================================================
   TARJETAS DE PLANES (ESTILO LÍNEA GRÁFICA ADJUNTA)
   ========================================================================== */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--azul-oscuro);
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 5px;
    background-color: var(--amarillo);
    border-radius: 5px;
}

.section-title p {
    color: var(--texto-mutado);
    font-size: 1.15rem;
    max-width: 650px;
    margin: 15px auto 0;
}

/* Tarjeta moderna turquesa */
.card-plan {
    background: var(--turquesa-gradiente);
    border-radius: 24px;
    padding: 40px 30px;
    color: var(--blanco);
    text-align: center;
    box-shadow: var(--sombra-md);
    transition: var(--transition);
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.15);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    overflow: hidden;
}

.card-plan::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.card-plan:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px rgba(0, 142, 153, 0.35);
    border-color: var(--amarillo);
}

.card-plan.destacado {
    background: linear-gradient(135deg, #00767F 0%, #1D2F5F 100%);
    border: 3px solid var(--amarillo);
    transform: scale(1.05);
    box-shadow: 0 25px 60px rgba(29, 47, 95, 0.3);
}

.card-plan.destacado:hover {
    transform: scale(1.05) translateY(-12px);
    box-shadow: 0 30px 70px rgba(29, 47, 95, 0.45);
}

.plan-ribbon {
    position: absolute;
    top: 20px;
    right: -35px;
    background-color: var(--amarillo);
    color: var(--azul-oscuro);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.75rem;
    padding: 6px 40px;
    transform: rotate(45deg);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    text-transform: uppercase;
}

.plan-nombre {
    font-size: 1.4rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    color: var(--blanco);
    opacity: 0.95;
}

.plan-velocidad {
    margin: 10px 0 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.plan-velocidad .numero {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 0.9;
    color: var(--amarillo);
    font-family: var(--font-heading);
    text-shadow: 0 4px 15px rgba(0,0,0,0.25);
    display: block;
}

.plan-velocidad .unidad {
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--blanco);
    letter-spacing: 2px;
}

.plan-beneficios {
    list-style: none;
    margin: 0 0 35px 0;
    text-align: left;
    flex-grow: 1;
}

.plan-beneficios li {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--blanco);
}

.plan-beneficios li i {
    color: var(--amarillo);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.plan-precio {
    margin-bottom: 25px;
}

.plan-precio .monto {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--amarillo);
    font-family: var(--font-heading);
    line-height: 1;
    display: block;
}

.plan-precio .periodo {
    font-size: 0.9rem;
    text-transform: uppercase;
    opacity: 0.85;
    font-weight: 600;
}

/* ==========================================================================
   SIMULADOR DE PLANES CORPORATIVO
   ========================================================================== */
.simulador-section {
    background: var(--blanco);
    padding: 80px 0;
    border-top: 1px solid rgba(0,0,0,0.05);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.sim-card {
    background: var(--fondo-claro);
    border: 2px solid rgba(0, 142, 153, 0.15);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--sombra-md);
}

.btn-sim-opcion {
    background: var(--blanco);
    border: 2px solid rgba(0, 142, 153, 0.2);
    border-radius: 16px;
    padding: 20px 15px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--azul-oscuro);
    font-weight: 700;
}

.btn-sim-opcion i {
    font-size: 2.2rem;
    color: var(--turquesa);
    transition: var(--transition);
}

.btn-sim-opcion:hover, .btn-sim-opcion.active {
    background: var(--turquesa-gradiente);
    border-color: var(--turquesa);
    color: var(--blanco);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 142, 153, 0.25);
}

.btn-sim-opcion:hover i, .btn-sim-opcion.active i {
    color: var(--amarillo);
}

.sim-resultado-box {
    background: var(--azul-oscuro-gradiente);
    color: var(--blanco);
    border-radius: 20px;
    padding: 35px;
    text-align: center;
    border: 2px solid var(--amarillo);
    box-shadow: var(--sombra-lg);
}

/* ==========================================================================
   VENTAJAS Y BENEFICIOS
   ========================================================================== */
.ventaja-card {
    background: var(--blanco);
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: var(--sombra-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
    height: 100%;
}

.ventaja-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--sombra-md);
    border-color: var(--turquesa);
}

.ventaja-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(0, 142, 153, 0.1) 0%, rgba(29, 47, 95, 0.1) 100%);
    color: var(--turquesa);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    margin: 0 auto 24px;
    transition: var(--transition);
}

.ventaja-card:hover .ventaja-icon {
    background: var(--turquesa-gradiente);
    color: var(--amarillo);
    transform: scale(1.1) rotate(5deg);
}

.ventaja-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.ventaja-card p {
    color: var(--texto-mutado);
    font-size: 0.95rem;
}

/* ==========================================================================
   COBERTURA EN EL ALTO
   ========================================================================== */
.cobertura-section {
    background: var(--azul-oscuro-gradiente);
    color: var(--blanco);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cobertura-section::before {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background: url('foto03.png') center/cover no-repeat;
    opacity: 0.15;
    z-index: 1;
}

.cobertura-content {
    position: relative;
    z-index: 2;
}

.tag-zona {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 212, 0, 0.4);
    color: var(--blanco);
    padding: 10px 22px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    margin: 6px;
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

.tag-zona:hover {
    background: var(--amarillo);
    color: var(--azul-oscuro);
    transform: translateY(-3px);
}

/* ==========================================================================
   PREGUNTAS FRECUENTES (FAQ)
   ========================================================================== */
.accordion-item {
    border: 1px solid rgba(0, 142, 153, 0.2);
    border-radius: 16px !important;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--sombra-sm);
}

.accordion-button {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--azul-oscuro);
    padding: 20px 25px;
    background-color: var(--blanco);
}

.accordion-button:not(.collapsed) {
    background: rgba(0, 142, 153, 0.08);
    color: var(--turquesa);
    box-shadow: none;
}

.accordion-button::after {
    background-size: 1.2rem;
    transition: var(--transition);
}

.accordion-body {
    padding: 20px 25px;
    color: var(--texto-mutado);
    line-height: 1.7;
    background-color: var(--blanco);
}

/* ==========================================================================
   FOOTER CORPORATIVO (LÍNEA GRÁFICA ATT & BOLIVIA)
   ========================================================================== */
.footer-corporativo {
    background-color: var(--azul-oscuro);
    color: var(--blanco);
    padding: 70px 0 0;
    border-top: 5px solid var(--amarillo);
}

.footer-logo img {
    max-height: 55px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 25px;
}

.footer-titulo {
    font-size: 1.25rem;
    color: var(--amarillo);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-titulo::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--turquesa);
}

.footer-enlaces {
    list-style: none;
    padding: 0;
}

.footer-enlaces li {
    margin-bottom: 12px;
}

.footer-enlaces a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-enlaces a:hover {
    color: var(--amarillo);
    transform: translateX(5px);
}

.footer-contacto-list {
    list-style: none;
    padding: 0;
}

.footer-contacto-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.85);
}

.footer-contacto-list i {
    color: var(--amarillo);
    font-size: 1.2rem;
    margin-top: 3px;
}

/* Barra inferior estilo "Línea Gráfica Adjunta" con ATT */
.footer-att-bar {
    background-color: #0F1A36;
    padding: 25px 0;
    margin-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.att-capsule {
    background: #0B132B;
    border: 1px solid rgba(255, 212, 0, 0.4);
    border-radius: 50px;
    padding: 12px 30px;
    display: inline-flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.att-telefonos {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--blanco);
    letter-spacing: 1px;
}

.att-telefonos span {
    color: var(--amarillo);
}

.att-legal {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    font-weight: 600;
}

.copyright-text {
    text-align: center;
    padding: 20px 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    background-color: #0A1124;
}

/* ==========================================================================
   BOTÓN WHATSAPP FLOTANTE
   ========================================================================== */
.whatsapp-flotante {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 12px;
}

.ws-tooltip {
    background-color: var(--blanco);
    color: #128C7E;
    padding: 10px 18px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--sombra-md);
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
    pointer-events: none;
    white-space: nowrap;
    border: 1px solid rgba(0,0,0,0.08);
}

.whatsapp-flotante:hover .ws-tooltip {
    opacity: 1;
    transform: translateX(0);
}

.btn-ws {
    width: 65px;
    height: 65px;
    background-color: #25D366;
    color: var(--blanco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
    transition: var(--transition);
    text-decoration: none;
    animation: pulseWs 2.5s infinite;
}

.btn-ws:hover {
    background-color: #20BD5A;
    color: var(--blanco);
    transform: scale(1.12) rotate(8deg);
}

@keyframes pulseWs {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   RESPONSIVE DESIGN (DESKTOP, TABLET, CELULAR)
   ========================================================================== */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--blanco);
        padding: 20px;
        border-radius: 16px;
        margin-top: 15px;
        box-shadow: var(--sombra-lg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .card-plan.destacado {
        transform: scale(1);
    }
    
    .card-plan.destacado:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 767.98px) {
    .hero-section {
        padding: 120px 0 50px;
        text-align: center;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-feat-item {
        flex-direction: column;
        text-align: center;
    }
    
    .plan-velocidad .numero {
        font-size: 3.8rem;
    }
    
    .ws-tooltip {
        display: none;
    }
    
    .att-capsule {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}