// Name:            Sticky
// Description:     Component to make elements sticky in the viewport
//
// Component:       `uk-sticky`
//
// Modifier:        `uk-sticky-fixed`
//
// States:          `uk-active`
//
// ========================================================================


// Variables
// ========================================================================

$sticky-z-index:                                 $global-z-index - 20 !default;

$sticky-animation-duration:                      0.2s !default;
$sticky-reverse-animation-duration:              0.2s !default;


/* ========================================================================
   Component: Sticky
 ========================================================================== */

/*
 * 1. Resolve frame rate issues on devices with lower frame rates by forcing hardware acceleration
 */

.uk-sticky-fixed {
    z-index: $sticky-z-index;
    box-sizing: border-box;
    margin: 0 !important;
    /* 1 */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/*
 * Faster animations
 */

.uk-sticky[class*='uk-animation-'] { animation-duration: $sticky-animation-duration; }

.uk-sticky.uk-animation-reverse { animation-duration: $sticky-reverse-animation-duration; }


// Hooks
// ========================================================================

@if(mixin-exists(hook-sticky-misc)) {@include hook-sticky-misc();}

// @mixin hook-sticky-misc(){}