width: clamp(400px, 60vw, 600px);

div {  
  font-size: clamp(1.1rem, 0.7153rem + 1.6368vw, 1.5rem);
}

.logo {    
  width: clamp(350px, 75%, 800px);    
}
And the font’s CSS is:
.title {     
  font-size: clamp(1.5rem, 5vw, 4rem);  
}