.app {
  max-height: 100%;
  max-height: 100vh;
  -webkit-perspective: 10px;
  perspective: 10px;
  -webkit-overflow-scrolling: touch;
  --scroll: 0;
}
.ninhbinhdest-content-inner *, .ninhbinhdest-content-inner *:before, .ninhbinhdest-content-inner *:after {
  box-sizing: border-box;
  position: relative;
}
/*
.destination *, .destination *:before, .destination *:after {
  box-sizing: border-box;
  position: relative;
}
*/

/* ---------------------------------- */

.ui-header, .ui-layer {
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}

.l-4 {
  -webkit-transform: translateZ(-20px) scale(3);
  transform: translateZ(-20px) scale(3);
}

.l-3 {
  -webkit-transform: translateZ(-10px) scale(2);
  transform: translateZ(-10px) scale(2);
}

.l-2 {
  -webkit-transform: translateZ(-5px) scale(1.5);
  transform: translateZ(-5px) scale(1.5);
}

.l-1 {
  -webkit-transform: translateZ(1px) scale(calc( 1 + (.15 * var(--scroll)) ));
  transform: translateZ(1px) scale(calc( 1 + (.15 * var(--scroll)) ));
}

/* ---------------------------------- */

.ui-header {
  position: relative;
  height: 100vh;
}

.ui-layer {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  background-size: cover;
  background-position: center bottom;
  background-image: url('../../assets/img/ninhbinhmountain.jpg');
  -webkit-mask-size: cover;
  mask-size: cover;
  -webkit-mask-position: center bottom;
  mask-position: center bottom;
  opacity: 0.99;
}

.l-3 {
  -webkit-mask-image: url('../../assets/img/mountain2.png');
  mask-image: url('../../assets/img/mountain2.png');
}

.l-2 {
  -webkit-mask-image: url('../../assets/img/mountain1.png');
  mask-image: url('../../assets/img/mountain1.png');
}

.l-1 {
  background-image: url('../../assets/img/touristback_small1.png');
}

.ui-content {
  height: 100vh;
  color: white;
  display: grid;
  grid-template-rows: auto 1fr;
  grid-template-columns: 1fr 1fr;
  grid-gap: 3rem;
}

.ui-heading {
  font-family: 'Dancing Script', sans-serif;
  font-size: 4rem;
  margin: 1rem;
  text-align: center;
  grid-row: 1 / 2;
  grid-column: 1 / -1;
  -webkit-transform: translateZ(1px) translateY(50%);
  transform: translateZ(1px) translateY(50%);
}

.ui-figure {
  --scale: 0.8;
  justify-self: end;
  align-self: flex-start;
  -webkit-transition: none !important;
  transition: none !important;
  -webkit-transform: translateY(calc( 130% * (1 - var(--scroll) * .5) ));
  transform: translateY(calc( 130% * (1 - var(--scroll) * .5) ));
}

.ui-photo {
  overflow: hidden;
  width: 40vmin;
  height: auto;
  -webkit-transition: none !important;
  transition: none !important;
  --scale: calc( 1 * .5 * var(--scroll) );
  -webkit-transform: scale(var(--scale));
  transform: scale(var(--scale));
}

.ui-photo > img {
  display: block;
  width: 120%;
  margin: -10%;
  -webkit-transition: none !important;
  transition: none !important;
  -webkit-transform: scale(calc(1 / var(--scale)));
  transform: scale(calc(1 / var(--scale)));
}

.ui-description > .ui-paragraph {
  max-width: 20rem;
  font-size: .8rem;
  line-height: 2;
  font-family: serif;
}

.ui-nav {
  -webkit-transform: translateZ(0px);
  transform: translateZ(0px);
  position: fixed;
  top: 0;
  left: 0;
  height: 10vh;
  z-index: 11;
  width: 100%;
  display: -webkit-box;
  display: flex;
  color: #374A59;
}

.ui-nav > * {
  height: 100%;
  display: -webkit-inline-box;
  display: inline-flex;
  -webkit-box-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  align-items: center;
  padding: 1rem;
  background-color: #fff;
}

.ui-nav > .ui-left, .ui-nav > .ui-right {
  text-transform: uppercase;
  font-weight: bold;
  z-index: 1;
  background: white;
}

.ui-nav > .ui-left {
  -webkit-transform: translateX(50%);
  transform: translateX(50%);
}

.ui-nav > .ui-right {
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  border: .25rem solid currentcolor;
  border-left: none;
  border-right: none;
  border-top-color: transparent;
}

.ui-nav > .ui-center {
  -webkit-box-flex: 1;
  flex-grow: 1;
}

.ui-nav.-expanded > .ui-left, .ui-nav.-expanded > .ui-right {
  -webkit-transform: none;
  transform: none;
}

.ui-button {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background: white;
  border: none;
  padding: 1rem;
  font-size: .5rem;
  text-transform: uppercase;
  font-weight: bold;
  -webkit-transform: translateZ(0.1px);
  transform: translateZ(0.1px);
}

.ui-item {
  margin: 0 1rem;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}