div.wraper {
  padding: 2rem 1rem;
  margin-bottom: 2rem;
  background-color: rgba(0, 0, 0, 0);
  border-radius: 0.3rem;
}
<style>
  html, body {
    margin: 0;
    padding: 0;
    height: 100%;
  }

  #splash-screen {
    position: fixed;
    inset: 0; /* shorthand for top:0; right:0; bottom:0; left:0 */
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999; /* ensures it's on top of everything */
    opacity: 1;
    transition: opacity 1s ease;
  }

  #splash-screen.fade-out {
    opacity: 0;
    pointer-events: none;
  }

  .splash-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    text-align: center;
  }

  .splash-btn {
    background-color: #111;
    color: #fff;
    border: 2px solid #fff;
    padding: 16px 50px;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 8px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
  }

  .splash-btn:hover {
    background-color: #fff;
    color: #000;
    transform: scale(1.05);
  }
</style>
<style>
  /* General text color fix for main content */
  body {
    color: #fff;
    background-color: #000; /* optional, helps with sections that had transparent backgrounds */
  }

  /* Ensure readability inside light sections (optional) */
  section.about, section.gallery, section.footer {
    color: #fff;
  }

  /* Optional: make links visible */
  a {
    color: #ddd;
    text-decoration: none;
  }

  a:hover {
    color: #fff;
  }

  /* Keep splash buttons unaffected (they already define their own colors) */
  #splash-screen {
    color: initial;
  }
</style>



.about, .gallery {
  font-family: 'Source Sans Pro', sans-serif;
  color: aliceblue;
}
section.intro div.wrapper {
  height: 100%;
  width: auto;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
  flex-direction: column;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -ms-flex-align: center;
  align-items: center
}
section.about {
  padding: 0
}
section.about div.wrapper {
  width: 100vw
}
section.about div.wrapper > div.mask {
  padding: 0px 0px
}
div.mask {
  text-align: center;
  position: relative;
  top: 0%;
  left: 0%;
}
div.mask:before {
  content: ' ';
  display: block;
  position: absolute;
  left: -18px;
  top: 0px;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  opacity: 0.9;
  background: linear-gradient(180deg, rgba(0,0,0,1) 0%, rgba(30,30,30,1) 73%, rgba(20,28,34,1) 100%);
/*  background-image: url("../images/dust2_holes.png");
  background-repeat: repeat;*/
}
div.mask h1 {
  font-size: 40px;
  position: relative;
  z-index: 2;
  background-image: url("../images/dust1_i2.jpg");
  background-position: 0 35%;
  color: transparent;
  padding: 20px 40px;
  -webkit-background-clip: text;
  -moz-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
div.mask p {
  text-align: left;
  margin: 0px 100px; 
  position: relative;
  z-index: 2;
  font-size: 25px;
}

div.mask p.thick {
  font-weight: bold;
}

section.about ul {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: row;
  flex-direction: row;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0;
  list-style-type: none;
  -ms-flex-pack: center;
  justify-content: center
}
section.about ul li {
  margin: 25px;
  -ms-flex: 1 0 calc(33% - 50px);
  flex: 1 0 calc(33% - 50px)
}
section.about ul li strong {
  position: relative;
  z-index: 2;
  color: var(--color-second);
  margin-bottom: 15px;
  display: block;
  text-align: center;
  font-size: 35px
}
section.about ul li strong::before {
  margin-right: 5px
}
section.about ul li strong::after {
  margin-left: 5px
}
section.about ul li p {
  font-size: 25px
}
section.about ul li:nth-child(1) {
  animation-delay: .25s
}
section.about ul li:nth-child(2) {
  animation-delay: .65s
}
section.intro {
  background: url(../images/LogoForVideo_Muestra.PNG) center/cover no-repeat #232323;
  height: 100vh;
}
@media only screen and (max-width:1920px) {
  section.intro {
    background-image: url(../images/LogoForVideo_Muestra_1920.PNG)
  }
}
@media only screen and (max-width:1299px) {
  section.intro {
    background-image: url(../images/LogoForVideo_Muestra_1299.PNG)
  }
}
@media only screen and (max-width:991px) {
  section.intro {
    background-image: url(../images/LogoForVideo_Muestra_991.PNG)
  }
}
@media only screen and (max-width:575px) {
  section.intro {
    background-image: url(../images/LogoForVideo_Muestra_575.PNG)
  }
}
.videoContainer {
  position: relative;
  width: 100%;
  height: 100vh;
  background-attachment: fixed;
  overflow: hidden;
}
.videoContainer .video-box-shadow {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-box-shadow: inset 8px 0px 15px rgba(0, 0, 0, 1), 0px 0px 0px 0px rgba(0, 0, 0, 1);
  -moz-box-shadow: inset 8px 0px 15px rgba(0, 0, 0, 1), 0px 0px 0px 0px rgba(0, 0, 0, 1);
  box-shadow: inset 8px 0px 15px rgba(0, 0, 0, 1), 0px 0px 0px 0px rgba(0, 0, 0, 1);
  top: 0;
  left: 0;
  z-index: 2;
  background: linear-gradient(320deg, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 1));
}
.videoContainer .overlay {
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0px;
  left: 0px;
}
.videoContainer .overlay video {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 1;
  object-fit: cover;
}
.contentLogo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
		
}
#logoMain {
  position: absolute;
  display: block;
  width: 50%;
  margin: 0 auto;
  z-index: 2;
  opacity: 0.7;
}
@media only screen and (max-width:1299px) {
  #logoMain {
    width: 70%;
    margin: 0 auto;
  }
}
@media only screen and (max-width:991px) {
  #logoMain {
    width: 80%;
    margin: 0 auto;
  }
}
@media only screen and (max-width:575px) {
  #logoMain {
    width: 90%;
    margin: 0 auto;
  }
}
/*div.videoMain, div.videoMain::after {
  position: absolute;
  top: 0;
  left: 0
}
div.videoMain, div.videoMain video, div.videoMain::after {
  width: 100%;
  height: 100%
}
div.videoMain {
  z-index: 0;
  background: center center/cover no-repeat
}
div.videoMain::after {
  content: ' ';
  background: linear-gradient(0deg, transparent 0, rgba(0, 0, 0, .2) 50%, transparent 100%);
  background-size: 1px 5px;
  pointer-events: none
}
*/
section.separetor1 {
  background: url(../images/sep1.png) center top/cover no-repeat fixed;
  height: 45vh;
  position: relative
}
section.separetor1::after, section.separetor2::after {
  content: ' ';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /*  background: linear-gradient(0deg, transparent 0, rgba(0, 0, 0, .2) 50%, transparent 100%);*/
  background: #00000077;
  background-size: 1px 5px;
  background-attachment: fixed;
  pointer-events: none
}
@media only screen and (max-width:1920px) {
  section.separetor1 {
    background-image: url(../images/sep1.png)
  }
}
@media only screen and (max-width:1299px) {
  section.separetor1 {
    background-image: url(../images/sep1_1299.png)
  }
}
@media only screen and (max-width:991px) {
  section.separetor1 {
    background-image: url(../images/sep1_991.png)
  }
}
@media only screen and (max-width:768px) {
  section.separetor1 {
    background-image: url(../images/sep1_768.png)
  }
}
@media only screen and (max-width:575px) {
  section.separetor1 {
    background-image: url(../images/sep1_575.png)
  }
}
section.separetor2 {
  background: url(../images/sep1.png) center top/cover no-repeat fixed;
  height: 45vh;
  position: relative
}
@media only screen and (max-width:1920px) {
  section.separetor2 {
    background-image: url(../images/sep2.png)
  }
}
@media only screen and (max-width:1299px) {
  section.separetor2 {
    background-image: url(../images/sep2_1299.png)
  }
}
@media only screen and (max-width:991px) {
  section.separetor2 {
    background-image: url(../images/sep2_991.png)
  }
}
@media only screen and (max-width:768px) {
  section.separetor2 {
    background-image: url(../images/sep2_768.png)
  }
}
@media only screen and (max-width:575px) {
  section.separetor2 {
    background-image: url(../images/sep2_575.png)
  }
}
section.about {
  background: url(../images/about.PNG) center/cover no-repeat #232323;
  height: 100vh
}
@media only screen and (max-width:1920px) {
  section.about {
    background-image: url(../images/about.png)
  }
}
@media only screen and (max-width:1299px) {
  section.about {
    background-image: url(../images/about_1299.png)
  }
  div.mask {
    margin: 0;
  }
}
@media only screen and (max-width:991px) {
  section.about {
    background-image: url(../images/about_991.png)
  }
  div.mask {
    margin: 0%;
  }
  div.mask p {
    font-size: 18px;
  }
  section.about ul li p {
  font-size: 18px
  }
  div.mask h1 {
    font-size: 35px;
  }
  section.about ul li strong {
    font-size: 25px
  }
}
@media only screen and (max-width:575px) {
  section.about {
    background-image: url(../images/about_575.png)
  }
  div.mask p {
    font-size: 15px;
  }
  section.about ul li p {
  font-size: 15px
  }
  div.mask h1 {
    font-size: 30px;
  }
  section.about ul li strong {
    font-size: 20px
  }
  section.about ul li {
  	margin: 5px;
  }
}
section.gallery {
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(../images/gallery.PNG);
  background-size: cover;
  position: relative;
  text-align: center;
}
section.gallery h1 {
  padding: 40px 0
}
@media only screen and (max-width:1920px) {
  section.gallery {
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(../images/gallery.PNG);
  }
}
@media only screen and (max-width:1299px) {
  section.gallery {
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(../images/gallery_1299.PNG);
    height: 80vh;
  }
}
@media only screen and (max-width:991px) {
  section.gallery {
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(../images/gallery_991.PNG);
    height: 80vh;
  }
  section.gallery .wraper {
    width: 100%;
    height: 100%;
  }
}
@media only screen and (max-width:575px) {
  section.gallery {
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(../images/gallery_575.PNG);
    padding: 100px 0
  }
  section.gallery .wraper {
    width: 100%;
    height: 100%;
  }
}
section.gallery .wraper {
  width: 80%;
  height: 80%;
  margin: auto
}
.carousel-inner img {
  width: 100%;
  height: 100%
}
#custCarousel .carousel-indicators {
  position: static;
  margin-top: 20px
}
#custCarousel .carousel-indicators > li {
  width: 100px
}
#custCarousel .carousel-indicators li img {
  display: block;
  opacity: 0.5
}
#custCarousel .carousel-indicators li.active img {
  opacity: 1
}
#custCarousel .carousel-indicators li:hover img {
  opacity: 0.75
}
.carousel-item img {
  width: 80%
}

section.footer {
  text-align: center;
  background: #000000;
  height: 34vh;
}

section.footer p{
  color: aliceblue;
}
section.footer img{
  color: aliceblue;
  margin: 20px;
  height: 15vh;
	
}