Your header logo width is 50% and the widget area is 65%…..you’ll need to decrease one or both to make sure they both don’t exceed 100% or the widget-area will fall off to the side.
.header-image #title,
.header-image #title a,
.header-image #title-area {
display: block;
float: left;
min-height: 120px;
overflow: hidden;
text-indent: -9999px;
width: 50%;
}