* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: linear-gradient(135deg, #020617, #0f172a);
  font-family: Arial, sans-serif;
  overflow-x: hidden;
  color: white;
}

.catalog-container {
  width: 100%;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 40px;
}

.page {
  width: 100%;
  max-width: 1100px;
  height: 650px;
  border-radius: 30px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transition: transform 0.4s ease;
}

.page img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}

.content {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 60px;
}

.info-card {
  max-width: 500px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  padding: 30px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.2);
}

.subtitle {
  letter-spacing: 4px;
  text-transform: uppercase;
  color: #93c5fd;
  margin-bottom: 15px;
  font-size: 13px;
}

h1 {
  font-size: 54px;
  margin-bottom: 20px;
}

#page-description {
  font-size: 18px;
  line-height: 1.6;
}

.counter {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(0,0,0,0.4);
  padding: 12px 18px;
  border-radius: 50px;
}

.nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  font-size: 28px;
  cursor: pointer;
  background: rgba(255,255,255,0.15);
  color: white;
  backdrop-filter: blur(10px);
}

.left {
  left: 20px;
}

.right {
  right: 20px;
}

.dots {
  position: absolute;
  bottom: 30px;
  display: flex;
  gap: 10px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
}

.dot.active {
  background: #60a5fa;
}

@media(max-width: 768px) {

  .page {
    height: 500px;
  }

  h1 {
    font-size: 36px;
  }

  .content {
    padding: 25px;
  }

  .info-card {
    padding: 20px;
  }

}