.u-section-1 {
  background-repeat: no-repeat;
  background-image: url("images/Group452.png"), linear-gradient(to bottom, rgba(2, 5, 8, 1), rgba(2, 5, 8, 1));
  background-size: cover;
  background-position: 50% 50%;
}

.u-section-1 .u-sheet-1 {
  min-height: 100vh;
}

.u-section-1 .u-text-1 {
  font-size: 3rem;
  font-weight: 500;
  letter-spacing: 3px;
  margin: 512px 55px 0;
}

.u-section-1 .u-text-2 {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 3px;
  margin: 22px 55px 0;
}

.u-section-1 .u-rotation-parent-1 {
  animation-timing-function: ease;
  width: 354px;
  height: 154px;
  margin: 33px auto 60px;
}

.u-section-1 .u-image-1 {
  width: 346px;
  height: 77px;
  transform-origin: center center;
  transform: translateX(-50%) translateY(-50%) rotate(346.61deg);
}

@media (max-width: 1199px) {
  .u-section-1 .u-text-1 {
    margin-left: 0;
    margin-right: 0;
  }

  .u-section-1 .u-text-2 {
    margin-left: 0;
    margin-right: 0;
  }

  .u-section-1 .u-image-1 {
    width: 314px;
    margin: 30px 55px 60px 0;
  }
}

@media (max-width: 767px) {
  .u-section-1 .u-text-1 {
    font-size: 2.66667rem;
    width: auto;
    margin-top: 272px;
  }

  .u-section-1 .u-text-2 {
    font-size: 1rem;
    width: auto;
    margin-top: 50px;
  }

  .u-section-1 .u-rotation-parent-1 {
    width: 271px;
    height: 150px;
    margin-top: -26px;
  }

  .u-section-1 .u-image-1 {
    width: 256px;
    height: 93px;
    margin-right: 0;
  }
}

@media (max-width: 575px) {
   .u-section-1 {
    background-repeat: no-repeat, no-repeat;
    background-size: cover, cover;
    background-position: 50% 50%, 50% 50%;
  }

  .u-section-1 .u-text-1 {
    margin-top: 282px;
  }

  .u-section-1 .u-text-2 {
    margin-top: 21px;
  }

  .u-section-1 .u-rotation-parent-1 {
    width: 181px;
    height: 123px;
    margin-top: 8px;
  }

  .u-section-1 .u-image-1 {
    width: 165px;
    height: 87px;
  }
}.custom-header {
    backdrop-filter: blur(5px);
}
@keyframes flash-sequence {
    0%, 100% { opacity: 1; }
    2.5% { opacity: 0; }  /* Prvý blik */
    5% { opacity: 1; }
    7.5% { opacity: 0; }  /* Druhý blik */
    10% { opacity: 1; }
    12.5% { opacity: 0; }  /* Tretí blik */
    15% { opacity: 1; }
}
.animated-flash {
    animation: flash-sequence 3.6s linear infinite;
}
.Notebook {
z-index: 2;
}
.cierna {
z-index: 1;
}
.scroll {
height:500px;
background: #fff;
border: 1px solid #C1C1C1;
overflow-x: scroll;
overflow-y: scroll;
}
/* Štýl hlavného boxu */
.gallery-box {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200vh; /* Aby bola stránka dlhšia na skrolovanie */
  overflow: hidden;
}
/* Štýl obrázkov */
.gallery-box img {
  width: 400px; /* Nastav šírku podľa potreby */
  height: auto;
  position: sticky;
  top: 50px; /* Nastav výšku, kde majú obrázky začať */
  transform: translateY(100px); /* Začínajú nižšie */
  transition: transform 0.5s ease-in-out;
}
/* Usporiadanie vrstiev (aby sa prekryvali správne) */
.gallery-box img:nth-child(1) { z-index: 4; }
.gallery-box img:nth-child(2) { z-index: 3; }
.gallery-box img:nth-child(3) { z-index: 2; }
.gallery-box img:nth-child(4) { z-index: 1; }
/* Aktivovanie efektu pri skrolovaní */
.gallery-box img.in-view {
  transform: translateY(0);
}
.img1 {
z-index:3;
}
.img1:hover {
z-index: 4;
}
.img2 {
z-index:2;
}
.img2:hover {
z-index: 4;
}
.img3 {
z-index:1;
}
.img3:hover {
z-index: 4;
}