Genesis layouts with SCSS / Susy fluid grid

gistfile1.scss

// Layout ----------------------------------------------------------------------

@include establish-baseline(16px);
 
#nav, 
#inner, 
#footer{
    @include container;
    width:100%;
    @include padding-trailer(1);
}

.wrap{
    @include pad(1,1);
    @include pie-clearfix;
    @media screen and (min-width: 980px){
        @include pad(2,2);
    }
}

.full-width-content #content{
    @include full();
}

#nav{
    display: none;
    @media screen and (min-width: 600px){
        display:block;
    }
}

#mobile_menu_primary{
    display:block;
    @include margin-leader(1);
    @media screen and (min-width: 600px){
        display:none;
    }
}

#footer{
   @include dark-overlay(.3);
}

.content-sidebar{
     #content{
        @media screen and (min-width: 600px){
            @include columns(9);
            @include alpha;
        }	
    }
    #sidebar{
        @media screen and (min-width: 600px){
            @include columns(3);
            @include omega;	 
        }	 
    }

}

.sidebar-content{
    #content{
        @media screen and (min-width: 600px){
            @include columns(9);
            @include omega;	
        }	   
    }
    #sidebar{
        @media screen and (min-width: 600px){
            @include columns(3);
            @include alpha;	
        }	
    }
}

.sidebar-content-sidebar{

    #content-sidebar-wrap {
        @include full();
        @media screen and (min-width: 980px){
            @include columns(9);
            @include alpha;  
         }       
        #content{
            @media screen and (min-width: 700px){
                @include columns(9,12);
                @include omega;	
            }
            @media screen and (min-width: 980px){
                @include columns(6,9);
                @include omega;	
            }
        }

        #sidebar{
            @media screen and (min-width: 700px){
                @include columns(3,12);
                @include alpha;	
            }
            @media screen and (min-width: 980px){
                @include columns(3,9);
                @include alpha;	
            }
        }
    }
        
    #sidebar-alt{
        @media screen and (min-width: 700px){
            @include pie-clearfix;
        }

        @media screen and (min-width: 980px){
            @include columns(3);
            @include omega;  
        }
    }
}

.sidebar-sidebar-content{
    #content-sidebar-wrap {
        @include columns(9);
        @include omega;    
        #content{
            @media screen and (min-width: 600px){
                @include columns(6,9);
                @include omega;
            }
        }

        #sidebar{
            @media screen and (min-width: 600px){
                @include columns(3,9);
                @include alpha;
            }
        }
    }
        
    #sidebar-alt{
        @media screen and (min-width: 600px){
            @include columns(3);
            @include alpha;  
        }
    }
}

.content-sidebar-sidebar{
    #content-sidebar-wrap {
        @include columns(9);
        @include omega;    
        #content{
            @media screen and (min-width: 600px){
                @include columns(6,9);
                @include alpha;
            }
        }

        #sidebar{
            @media screen and (min-width: 600px){
                @include columns(3,9);
                @include omega;
            }
        }
    }
        
    #sidebar-alt{
        @media screen and (min-width: 600px){
            @include columns(3);
            @include omega;   
        }
    }
}