/* --- Responsive para móviles --- */
@media (max-width: 640px) {
    body {
        font-size: 16px;
        padding: 0;
    }
    nav {
        left: 50% !important;
        width: 98vw;
        min-width: unset;
        max-width: unset;
        padding: 0 2vw;
    }
    .plan-card, .featured.plan-card {
        width: 100% !important;
        min-width: unset;
        max-width: unset;
        padding: 18px 8px;
        margin: 0 0 18px 0;
        font-size: 1rem;
    }
    .pricing-container {
        flex-direction: column !important;
        gap: 12px !important;
        margin-top: 20px;
        padding: 0;
    }
    #solicitar-suscripcion, #contacto-nodoflex, .max-w-7xl, .max-w-6xl, .max-w-lg {
        padding: 0 2vw !important;
        width: 100vw !important;
        max-width: 100vw !important;
        min-width: unset;
    }
    #solicitar-suscripcion form, #contacto-nodoflex form {
        padding: 0 2vw !important;
        width: 100vw !important;
        max-width: 100vw !important;
        min-width: unset;
    }
    #solicitar-suscripcion img, #contacto-nodoflex img {
        width: 120px !important;
        max-width: 60vw !important;
        margin: 0 auto 1rem auto !important;
    }
    h1, h2, h3, h4 {
        font-size: 1.2em !important;
        text-align: center !important;
    }
    .text-5xl, .text-4xl, .text-3xl {
        font-size: 1.5em !important;
    }
    .text-xl, .text-lg {
        font-size: 1em !important;
    }
    .rounded-3xl, .rounded-2xl, .rounded-xl {
        border-radius: 1rem !important;
    }
    .shadow-2xl, .shadow-xl, .shadow-lg {
        box-shadow: 0 2px 12px 0 #0005 !important;
    }
    .flex, .flex-col, .items-center, .justify-center {
        flex-direction: column !important;
        align-items: stretch !important;
        justify-content: flex-start !important;
    }
    input, select, textarea, button {
        font-size: 1em !important;
        padding: 12px 10px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .mx-auto, .w-full {
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100vw !important;
        max-width: 100vw !important;
    }
}
/* Tarjetas 3D para sección 'Cómo funciona' */
.card-3d {
    background: #181A1D;
    border-radius: 1.5rem;
    box-shadow: 0 8px 32px 0 #2563eb22, 0 1.5px 12px 0 #0008;
    transition: transform 0.35s cubic-bezier(.22,1,.36,1), box-shadow 0.35s, filter 0.25s;
    perspective: 800px;
    will-change: transform, box-shadow, filter;
    position: relative;
    z-index: 1;
}
.card-3d:hover {
    box-shadow: 0 16px 48px 0 #2563eb44, 0 4px 32px 0 #000a;
    filter: brightness(1.08) saturate(1.08);
}
.card-3d .card-3d-inner {
    transition: transform 0.35s cubic-bezier(.22,1,.36,1);
    will-change: transform;
}
.card-3d:hover .card-3d-inner {
    transform: rotateY(var(--rotateY,0deg)) rotateX(var(--rotateX,0deg)) scale(1.04);
}
.card-3d .card-3d-glow {
    pointer-events: none;
    position: absolute;
    inset: 0;
    border-radius: 1.5rem;
    background: radial-gradient(circle at var(--glowX,50%) var(--glowY,50%), #60a5fa33 0%, transparent 70%);
    opacity: 0.7;
    transition: background 0.2s;
    z-index: 2;
}
/* Animación de movimiento flotante para tarjetas y secciones visuales */
.animated-float {
    animation: floatY 3.5s ease-in-out infinite alternate;
    will-change: transform;
}
@keyframes floatY {
    0% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-12px) scale(1.015); }
    100% { transform: translateY(0px) scale(1); }
}
/* Sección visual de contacto */
#contacto-nodoflex {
    background: linear-gradient(135deg, #1E2124 0%, #121417 60%, #0F1113 100%);
    position: relative;
    overflow: hidden;
}
#contacto-nodoflex h2 {
    letter-spacing: -1px;
    background: linear-gradient(90deg, #60a5fa 30%, #38bdf8 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    /* text-fill-color: transparent; */
}
#contacto-nodoflex form {
    box-shadow: 0 8px 32px 0 rgba(30, 64, 175, 0.15);
    border-radius: 1.5rem;
    border: 1px solid #1e40af33;
}
#contacto-nodoflex input,
#contacto-nodoflex textarea {
    background: #23272b;
    border: 1px solid #374151;
    color: #fff;
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    transition: border 0.2s, box-shadow 0.2s;
}
#contacto-nodoflex input:focus,
#contacto-nodoflex textarea:focus {
    border-color: #38bdf8;
    box-shadow: 0 0 0 2px #38bdf855;
}
#contacto-nodoflex button[type="submit"] {
    background: linear-gradient(90deg, #2563eb 0%, #38bdf8 100%);
    color: #fff;
    font-weight: bold;
    border: none;
    border-radius: 0.75rem;
    padding: 1.25rem 0;
    font-size: 1.15rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    box-shadow: 0 4px 24px 0 #2563eb22;
}
#contacto-nodoflex button[type="submit"]:hover {
    background: linear-gradient(90deg, #2563eb 0%, #60a5fa 100%);
    transform: scale(1.03);
}
#contacto-nodoflex .max-w-xl {
    box-shadow: 0 8px 32px 0 #2563eb22;
}
#contacto-nodoflex a {
    color: #38bdf8;
    text-decoration: underline;
    transition: color 0.2s;
}
#contacto-nodoflex a:hover {
    color: #60a5fa;
}
/* Tarjetas de Planes */
.pricing-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.plan-card {
    background: linear-gradient(145deg, #1e2124, #16181a);
    border: 1px solid var(--gris-acero-claro);
    border-radius: 15px;
    padding: 40px;
    width: 300px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-10px);
    border-color: var(--azul-acento);
}

.plan-card.featured {
    border: 2px solid var(--azul-acento);
    box-shadow: 0 10px 30px rgba(0, 163, 255, 0.1);
}

.price {
    font-size: 3rem;
    font-weight: bold;
    margin: 20px 0;
}

.price span {
    font-size: 1rem;
    color: #888;
}

ul {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

ul li {
    margin: 10px 0;
    color: #b0b0b0;
}

/* Botón de Suscripción */
.btn-subscribe {
    background-color: var(--azul-acento);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-subscribe:hover {
    background-color: #0082cc;
}
/* --- FORMULARIO PREMIUM --- */
#contacto input,
#contacto select {
    font-size: 1.1rem;
    background: rgba(24,26,29,0.85);
    border: 1.5px solid #23272b;
    border-radius: 0.75rem;
    color: #e0e0e0;
    padding: 1.1rem 1.25rem;
    margin-bottom: 0.5rem;
    transition: border 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 12px 0 rgba(0,163,255,0.04);
}
#contacto input:focus,
#contacto select:focus {
    border-color: #00A3FF;
    box-shadow: 0 0 0 2px #00A3FF33;
    outline: none;
}
#contacto label {
    font-weight: 500;
    color: #b0b0b0;
    letter-spacing: 0.02em;
    margin-bottom: 0.2rem;
}
#contacto button[type="submit"] {
    background: linear-gradient(90deg, #00A3FF 0%, #3A8DFF 100%);
    color: #fff;
    font-size: 1.15rem;
    font-weight: 700;
    border: none;
    border-radius: 0.75rem;
    padding: 1.1rem 0;
    margin-top: 0.5rem;
    box-shadow: 0 4px 24px 0 rgba(0,163,255,0.10);
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}
#contacto button[type="submit"]:hover {
    background: linear-gradient(90deg, #3A8DFF 0%, #00A3FF 100%);
    transform: scale(1.04);
}
.bg-acero-oscuro {
    background: radial-gradient(circle at top, #1e2124 0%, #121417 100%);
}

/* Títulos con efecto metálico */
h1, h2, h3 {
    background: linear-gradient(to bottom, #ffffff 0%, #a1a1a1 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Resaltado de métricas al pasar el mouse */
.reveal:hover span {
    color: #00A3FF;
    text-shadow: 0 0 20px rgba(0, 163, 255, 0.4);
    transition: all 0.3s ease;
}
/* Paleta de Colores NodoFlex */
:root {
    --gris-fondo: #121417;
    --gris-acero-oscuro: #1E2124;
    --gris-acero-claro: #3A3F44;
    --azul-acento: #00A3FF;
    --texto-principal: #E0E0E0;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--gris-fondo);
    color: var(--texto-principal);
    overflow-x: hidden;
}

p {
    line-height: 1.8; /* Hace que el texto sea más fácil de leer */
    letter-spacing: 0.5px; /* Un toque de aire entre letras */
    color: #b0b0b0; /* Un gris suave que no cansa en fondos oscuros */
}

h2, h3 {
    text-transform: uppercase; /* Da un look más corporativo */
    letter-spacing: 2px;
    color: #ffffff;
}

#tsparticles {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1; /* Queda detrás de todo */
}

.content-wrapper {
    position: relative;
    z-index: 1;
    padding: 20px;
    text-align: center;
}



/* Tipografia y Espaciado de Clase Mundial */
.seccion-premium {
    padding: 100px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.titulo-gradiente {
    background: linear-gradient(180deg, #FFFFFF 0%, #888888 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.texto-descripcion {
    color: #9CA3AF;
    font-size: 1.125rem;
    line-height: 1.75;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Efecto de Aparicion Suave */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.17, 0.55, 0.55, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Retrasos para que aparezcan una tras otra */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* Estilo de Tarjeta Glass-Steel */
.tarjeta-valor {
    background: rgba(30, 33, 36, 0.4);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.tarjeta-valor:hover {
    border-color: rgba(0, 163, 255, 0.4);
    background: rgba(40, 44, 48, 0.6);
    transform: scale(1.03);
}