* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto', sans-serif;
  text-decoration: none;
  font-style: normal;
  
}

html, body {
  width: 100%;
  height: 100%;
  background-color: #000000;
  color: white;
  overflow-x: hidden;
}

.content-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 30px 20px;
}

.napis {
  font-size: 3vh;
  font-weight: 400;
  letter-spacing: 8px;
  text-align: center;
  margin-bottom: 30px;

}
 .podnapis {
  font-size: 2.5vh;
  font-weight: 400;
  letter-spacing: 8px;
  text-align: center;
  margin-bottom: 30px;
 }

.pokec {
  font-size: 2vh;
  font-weight: 400;
margin-left: 10px;

  margin-bottom: 30px;
}
.firmy {
  display: flex;
  width: calc(200px * 28); /* 7 images × 2 for loop */
  animation: scroll 30s linear infinite;
  margin-bottom: 30PX;
}

.logo {
  width: 200px;
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px;
}

.logo img {
  max-width: 100%;
  min-height: 40px;
  max-height: 41px;
  object-fit: contain;
  filter: brightness(0.9) contrast(1.1);
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

#slideshow1 {
  padding: 60px 20px;
  background-color: #000000;
  text-align: center;
}

.section-title {
  font-size: 3vh;
  letter-spacing: 6px;
  margin-bottom: 40px;
  color: white;
}

.slideshow1-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 5px;
}

.flip-card {
  background-color: transparent;
  width: 280px;
  height: 260px;
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  backface-visibility: hidden;
  background-color: #121212;
  color: white;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.flip-card-front {
  z-index: 2;
}

.flip-card-back {
  transform: rotateY(180deg);
  text-align: center;
  font-size: 15px;
  color: #cfcfcf;
}

.card-icon {
  font-size: 36px;
  color: #2581f9;
  margin-bottom: 10px;
}