body { font-family: 'Plus Jakarta Sans', sans-serif; background-color: #f8fafc; /* slate-50 */ }
.text-brand-dark { color: #1e3a8a; } /* blue-900 */
.text-brand-light { color: #334155; } /* slate-700 */
.bg-brand-accent { background-color: #0d9488; } /* teal-600 */
.hover\:bg-brand-accent-dark:hover { background-color: #0f766e; } /* teal-700 */
.section-title { font-size: 2.5rem; line-height: 1.1; font-weight: 800; color: #1e293b; /* slate-800 */ }
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.nav-link.active { color: #0d9488; font-weight: 700; }
.nav-link { transition: color 0.2s; }
.diagram-node { transition: all 0.3s ease; }
.diagram-node.active { transform: scale(1.05); box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.4); }
.diagram-connector {
    position: absolute;
    height: 2px;
    background-color: #94a3b8; /* slate-400 */
    transform-origin: left;
    transition: transform 0.5s ease-out;
    transform: scaleX(0);
}
.chart-container {
    position: relative;
    margin: auto;
    height: 500px;
    width: 100%;
    max-width: 800px;
}

/* Estilos para el Botón de Audio Flotante */
.audio-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: #0d9488; /* teal-600 */
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
}

.audio-button:hover {
    background-color: #0f766e; /* teal-700 */
    transform: scale(1.1);
}

.audio-button svg {
    width: 28px;
    height: 28px;
}