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

body {
  font-family: system-ui, sans-serif;
  color: #222;
  line-height: 1.6;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  background: white;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo img {
  height: 36px;
}

nav a {
  margin-left: 2rem;
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

.hero {
  position: relative;
  height: 90vh;
  background: url('hero.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
}

.hero-content h1 {
  font-size: 2rem;
  background-color: rgba(0, 0, 0, 0.4);
  padding: 1rem 2rem;
  border-radius: 0.5rem;
}

.carousel-nav {
  position: absolute;
  top: 50%;
  font-size: 2rem;
  color: white;
  padding: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.carousel-nav.left {
  left: 1rem;
}

.carousel-nav.right {
  right: 1rem;
}

.features {
  display: flex;
  justify-content: space-around;
  gap: 1rem;
  padding: 3rem 2rem;
  background: #f0f1f3;
  flex-wrap: wrap;
}

.feature {
  background: white;
  padding: 2rem;
  flex: 1 1 300px;
  max-width: 360px;
  text-align: center;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}