:root {
  --primary-color: #ff0040;
  --secondary-color: #00ffea;
  --text-color: #ffffff;
  --bg-color: #0f0f0f;
  --overlay-color: rgba(15, 15, 15, 0.8);
}

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

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  overflow-x: hidden;
  height: 100vh;
  position: relative;
}

.slides-container {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease;
}

.slide.active {
  opacity: 1;
  visibility: visible;
}

.slide-content {
  max-width: 1000px;
  padding: 2rem;
  position: relative;
  z-index: 2;
}

.slide h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.slide p {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  line-height: 1.6;
  font-weight: 300;
}

.cta {
  margin-top: 2rem;
  padding: 1rem 2.5rem;
  background: var(--primary-color);
  color: var(--text-color);
  border: none;
  border-radius: 50px;
  font-weight: bold;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: inline-block;
  position: relative;
  overflow: hidden;
}

.cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(255, 0, 64, 0.3);
}

.cta:active {
  transform: translateY(-1px);
  box-shadow: 0 5px 10px rgba(255, 0, 64, 0.3);
}

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--primary-color);
  width: 0%;
  z-index: 101;
  transition: width 0.3s linear;
}

.control-buttons {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  gap: 1rem;
}

.control-btn {
  padding: 0.8rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.control-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.control-btn.primary {
  background: var(--primary-color);
}

.control-btn.primary:hover {
  background: #ff3366;
}

@media (max-width: 768px) {
  .slide h1 {
    font-size: 2.5rem;
  }
  
  .slide p {
    font-size: 1.2rem;
  }
  
  .control-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .control-btn {
    width: 200px;
  }
}