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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: #0a0a0a;
  color: #e0e0e0;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  text-align: center;
  padding: 80px 20px 40px;
}

h1 {
  font-size: 3.5rem;
  font-weight: 300;
  letter-spacing: -2px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 0%, #888888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 1.25rem;
  color: #888;
  font-weight: 300;
}

.hero {
  text-align: center;
  padding: 40px 20px 60px;
}

.description {
  font-size: 1.125rem;
  color: #aaa;
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.button-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-weight: 500;
  border: 2px solid transparent;
}

.btn-primary {
  background: #ffffff;
  color: #0a0a0a;
}

.btn-primary:hover {
  background: #e0e0e0;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
  background: transparent;
  color: #ffffff;
  border: 2px solid #333;
}

.btn-secondary:hover {
  background: #1a1a1a;
  border-color: #555;
  transform: translateY(-2px);
}

.carousel-section {
  padding: 60px 0;
}

.carousel {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  background: #111;
}

.carousel-track {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  font-size: 2.5rem;
  padding: 16px 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  backdrop-filter: blur(10px);
}

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

.carousel-btn.prev {
  left: 0;
}

.carousel-btn.next {
  right: 0;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #333;
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: #fff;
  width: 32px;
  border-radius: 5px;
}

.features {
  padding: 80px 20px;
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 60px;
  color: #fff;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
}

.feature-card {
  background: #111;
  padding: 32px;
  border-radius: 12px;
  border: 1px solid #222;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: #444;
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: #fff;
  font-weight: 500;
}

.feature-card p {
  color: #888;
  line-height: 1.6;
}

footer {
  text-align: center;
  padding: 40px 20px;
  color: #666;
  border-top: 1px solid #1a1a1a;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  .tagline {
    font-size: 1rem;
  }

  .description {
    font-size: 1rem;
  }

  .button-group {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .carousel-btn {
    font-size: 1.5rem;
    padding: 12px 16px;
  }

  .features h2 {
    font-size: 2rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}