:root {
    --neon-green: #22c55e;
    --pure-black: #000000;
    --dark-gray: #0a0a0a;
}

body { 
    font-family: 'Inter', sans-serif; 
    background-color: var(--pure-black); 
    color: #ffffff;
    overflow-x: hidden; 
    margin: 0;
}

h1, h2, h3, h4, .font-display { font-family: 'Space Grotesk', sans-serif; }

/* --- RED NEURONAL Y FONDOS --- */
.neural-bg {
    position: fixed; inset: 0; z-index: -1;
    background-color: var(--pure-black);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(34, 197, 94, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(34, 197, 94, 0.06) 0%, transparent 50%);
}
.grid-bg {
    position: absolute; inset: 0; background-size: 50px 50px;
    background-image: linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    mask-image: radial-gradient(circle, black, transparent 90%);
    -webkit-mask-image: radial-gradient(circle, black, transparent 90%);
}

/* --- ANIMACIÓN DE PUNTOS VERDES --- */
.node-container { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.node {
    position: absolute; background: var(--neon-green); border-radius: 50%;
    animation: pulse-node 5s infinite ease-in-out; opacity: 0.5;
    box-shadow: 0 0 12px var(--neon-green);
}
@keyframes pulse-node {
    0%, 100% { transform: scale(0.8); opacity: 0.3; }
    50% { transform: scale(1.5); opacity: 0.9; box-shadow: 0 0 25px var(--neon-green); }
}

/* --- CELULAR FLOTANTE --- */
@keyframes float-levitation {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}
.animate-levitate { animation: float-levitation 6s ease-in-out infinite; }
@keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.spin-ring-1 { animation: spin-slow 20s linear infinite; }
.spin-ring-2 { animation: spin-slow 15s linear infinite reverse; }

/* --- COMPONENTES UI --- */
.glass-card {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(24px); border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.glass-card-hover:hover { border-color: rgba(34, 197, 94, 0.6); transform: translateY(-5px); box-shadow: 0 15px 35px rgba(0,0,0,0.6); cursor: pointer; }

.btn-neon {
    background: var(--neon-green); color: #000; font-weight: 900;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.3); transition: all 0.3s ease;
}
.btn-neon:hover { transform: scale(1.03); box-shadow: 0 0 35px var(--neon-green); }

.chat-pop { opacity: 0; animation: popUp 0.6s ease-out forwards; }
@keyframes popUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.tag-floating { animation: float-tag 3s ease-in-out infinite; }
@keyframes float-tag { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.box-glow { box-shadow: 0 0 30px rgba(34, 197, 94, 0.12), inset 0 0 15px rgba(34, 197, 94, 0.05); }

/* Fuerza el brillo verde en los números de los pasos */
.step-glow {
    background-color: var(--neon-green);
    color: var(--pure-black);
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.5);
    border: 1px solid var(--neon-green);
}

/* Acordeón FAQ nativo */
details > summary { list-style: none; outline: none; }
details > summary::-webkit-details-marker { display: none; }

/* Modal Scroll Personalizado */
.modal-scroll::-webkit-scrollbar { width: 6px; }
.modal-scroll::-webkit-scrollbar-track { background: rgba(0,0,0,0.5); border-radius: 10px; }
.modal-scroll::-webkit-scrollbar-thumb { background: #22c55e; border-radius: 10px; }