.slideshow,
.slideshow:after {
    /*position: fixed;*/
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    z-index: 0;
}
.slideshow:after {
    content: '';
    background: transparent url('../img/header-bg.jpg') repeat top left;
}
.slideshow li span {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
    color: transparent;
    background-size: cover;
    background-position: 50% 50%;
    background-repeat: none;
    opacity: 0;
    z-index: 0;
	-webkit-backface-visibility: hidden;
    -webkit-animation: imageAnimation 36s linear infinite 0s;
    -moz-animation: imageAnimation 36s linear infinite 0s;
    -o-animation: imageAnimation 36s linear infinite 0s;
    -ms-animation: imageAnimation 36s linear infinite 0s;
    animation: imageAnimation 36s linear infinite 0s;
	transition: background .3s, border .3s, border-radius .3s, box-shadow .3s, transform var(--e-transform-transition-duration, .4s);
	filter: blur(4px);      /* Độ mờ: chỉnh 4–10px tuỳ ý */
	transform: scale(0.9);  /* Phóng to 1 chút để tránh viền trắng khi blur */
}

#fix-slider::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 50, 0.5); /* Màu xanh đậm hoặc đen mờ */
  z-index: 1;
}

.masthead .intro-text {
  position: relative;
  z-index: 2;              /* Luôn trên overlay và background */
  margin: 0 auto;
  padding: 2rem;
  color: #fff;             /* Text trắng nổi bật */
  text-align: center;
}

.slideshow li div {
    z-index: 1000;
    position: absolute;
    bottom: 30px;
    left: 0px;
    width: 100%;
    text-align: center;
    opacity: 0;
    -webkit-animation: titleAnimation 36s linear infinite 0s;
    -moz-animation: titleAnimation 36s linear infinite 0s;
    -o-animation: titleAnimation 36s linear infinite 0s;
    -ms-animation: titleAnimation 36s linear infinite 0s;
    animation: titleAnimation 36s linear infinite 0s;
}
.slideshow li div h3 {
  font-family: "helvetica neue", helvetica;
  text-transform: uppercase;
  font-size: 80px;
  padding: 0;
  line-height: 200px;
	color: rgba(255,255,255, 0.8);
}
.slideshow li:nth-child(1) span { background-image: url('../img/slider1.jpg') }
.slideshow li:nth-child(2) span {
    background-image: url('../img/slider2.jpg');
    -webkit-animation-delay: 6s;
    -moz-animation-delay: 6s;
    -o-animation-delay: 6s;
    -ms-animation-delay: 6s;
    animation-delay: 6s;
}
.slideshow li:nth-child(3) span {
    background-image: url('../img/slider3.jpg');
    -webkit-animation-delay: 12s;
    -moz-animation-delay: 12s;
    -o-animation-delay: 12s;
    -ms-animation-delay: 12s;
    animation-delay: 12s;
}
.slideshow li:nth-child(4) span {
    background-image: url('../img/slider4.jpg');
    -webkit-animation-delay: 18s;
    -moz-animation-delay: 18s;
    -o-animation-delay: 18s;
    -ms-animation-delay: 18s;
    animation-delay: 18s;
}
.slideshow li:nth-child(5) span {
    background-image: url('../img/header-bg.jpg');
    -webkit-animation-delay: 24s;
    -moz-animation-delay: 24s;
    -o-animation-delay: 24s;
    -ms-animation-delay: 24s;
    animation-delay: 24s;
}
.slideshow li:nth-child(6) span {
    background-image: url('../img/slider3.jpg');
    -webkit-animation-delay: 30s;
    -moz-animation-delay: 30s;
    -o-animation-delay: 30s;
    -ms-animation-delay: 30s;
    animation-delay: 30s;
}
.slideshow li:nth-child(2) div {
    -webkit-animation-delay: 6s;
    -moz-animation-delay: 6s;
    -o-animation-delay: 6s;
    -ms-animation-delay: 6s;
    animation-delay: 6s;
}
.slideshow li:nth-child(3) div {
    -webkit-animation-delay: 12s;
    -moz-animation-delay: 12s;
    -o-animation-delay: 12s;
    -ms-animation-delay: 12s;
    animation-delay: 12s;
}
.slideshow li:nth-child(4) div {
    -webkit-animation-delay: 18s;
    -moz-animation-delay: 18s;
    -o-animation-delay: 18s;
    -ms-animation-delay: 18s;
    animation-delay: 18s;
}
.slideshow li:nth-child(5) div {
    -webkit-animation-delay: 24s;
    -moz-animation-delay: 24s;
    -o-animation-delay: 24s;
    -ms-animation-delay: 24s;
    animation-delay: 24s;
}
.slideshow li:nth-child(6) div {
    -webkit-animation-delay: 30s;
    -moz-animation-delay: 30s;
    -o-animation-delay: 30s;
    -ms-animation-delay: 30s;
    animation-delay: 30s;
}
/* Animation for the slideshow images */
@-webkit-keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    -webkit-animation-timing-function: ease-in;
	}
	8% {
	    opacity: 1;
	    -webkit-transform: scale(1.05);
	    -webkit-animation-timing-function: ease-out;
	}
	17% {
	    opacity: 1;
	    -webkit-transform: scale(1.1);
	}
	25% {
	    opacity: 0;
	    -webkit-transform: scale(1.1);
	}
	100% { opacity: 0 }
}
@-moz-keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    -moz-animation-timing-function: ease-in;
	}
	8% {
	    opacity: 1;
	    -moz-transform: scale(1.05);
	    -moz-animation-timing-function: ease-out;
	}
	17% {
	    opacity: 1;
	    -moz-transform: scale(1.1);
	}
	25% {
	    opacity: 0;
	    -moz-transform: scale(1.1);
	}
	100% { opacity: 0 }
}
@-o-keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    -o-animation-timing-function: ease-in;
	}
	8% {
	    opacity: 1;
	    -o-transform: scale(1.05);
	    -o-animation-timing-function: ease-out;
	}
	17% {
	    opacity: 1;
	    -o-transform: scale(1.1);
	}
	25% {
	    opacity: 0;
	    -o-transform: scale(1.1);
	}
	100% { opacity: 0 }
}
@-ms-keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    -ms-animation-timing-function: ease-in;
	}
	8% {
	    opacity: 1;
	    -ms-transform: scale(1.05);
	    -ms-animation-timing-function: ease-out;
	}
	17% {
	    opacity: 1;
	    -ms-transform: scale(1.1);
	}
	25% {
	    opacity: 0;
	    -ms-transform: scale(1.1);
	}
	100% { opacity: 0 }
}
@keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    animation-timing-function: ease-in;
	}
	8% {
	    opacity: 1;
	    transform: scale(1.05);
	    animation-timing-function: ease-out;
	}
	17% {
	    opacity: 1;
	    transform: scale(1.1);
	}
	25% {
	    opacity: 0;
	    transform: scale(1.1);
	}
	100% { opacity: 0 }
}
/* Animation for the title */
@-webkit-keyframes titleAnimation { 
	0% {
	    opacity: 0;
	    -webkit-transform: translateY(200px);
	}
	8% {
	    opacity: 1;
	    -webkit-transform: translateY(0px);
	}
	17% {
	    opacity: 1;
	    -webkit-transform: scale(1);
	}
	19% { opacity: 0 }
	25% {
	    opacity: 0;
	    -webkit-transform: scale(10);
	}
	100% { opacity: 0 }
}
@-moz-keyframes titleAnimation { 
	0% {
	    opacity: 0;
	    -moz-transform: translateY(200px);
	}
	8% {
	    opacity: 1;
	    -moz-transform: translateY(0px);
	}
	17% {
	    opacity: 1;
	    -moz-transform: scale(1);
	}
	19% { opacity: 0 }
	25% {
	    opacity: 0;
	    -moz-transform: scale(10);
	}
	100% { opacity: 0 }
}
@-o-keyframes titleAnimation { 
	0% {
	    opacity: 0;
	    -o-transform: translateY(200px);
	}
	8% {
	    opacity: 1;
	    -o-transform: translateY(0px);
	}
	17% {
	    opacity: 1;
	    -o-transform: scale(1);
	}
	19% { opacity: 0 }
	25% {
	    opacity: 0;
	    -o-transform: scale(10);
	}
	100% { opacity: 0 }
}
@-ms-keyframes titleAnimation { 
	0% {
	    opacity: 0;
	    -ms-transform: translateY(200px);
	}
	8% {
	    opacity: 1;
	    -ms-transform: translateY(0px);
	}
	17% {
	    opacity: 1;
	    -ms-transform: scale(1);
	}
	19% { opacity: 0 }
	25% {
	    opacity: 0;
	    -webkit-transform: scale(10);
	}
	100% { opacity: 0 }
}
@keyframes titleAnimation { 
	0% {
	    opacity: 0;
	    transform: translateY(200px);
	}
	8% {
	    opacity: 1;
	    transform: translateY(0px);
	}
	17% {
	    opacity: 1;
	    transform: scale(1);
	}
	19% { opacity: 0 }
	25% {
	    opacity: 0;
	    transform: scale(10);
	}
	100% { opacity: 0 }
}
/* Show at least something when animations not supported */
.no-cssanimations .slideshow li span{
	opacity: 1;
}
@media screen and (max-width: 1140px) { 
	.slideshow li div h3 { font-size: 100px }
}
@media screen and (max-width: 600px) { 
	.slideshow li div h3 { font-size: 50px }
}

.slideshow{
    list-style-type: none;
    margin: 0px;
}
#fix-slider{
    position: relative;
    overflow: hidden;
    margin: 0px;
    width: 100vw;
    max-width: 100vw;
}

@media(max-width:767px){
    #fix-slider{
        position:relative;
        overflow: hidden;
    }
}


.sps {
  padding: 1em .5em;
  position: fixed;
  top: 0;
  left: 0;
  transition: all 0.25s ease;
  width: 100%;
}

.sps--abv {
  background-color: transparent;
  color: #000;
}

.sps--blw {
  background-color: #333;
  color: #fff;
}


@media (min-width: 992px) {
    .affix {
      position: fixed;
      top: 50px;
      margin-top: 10px;

    }
}

.affix-top {
  position: static;
}

.affix-bottom {
  position: relative;
}