body {
  margin: 0;
  font-family: Inter, Helvetica, sans-serif;
  color: #1d1d1f;
  background: #ffffff;
  overflow-x: hidden;
}

.header {
  position: fixed;
  width: 100%;
  padding: 18px 60px;
  display: flex;
  justify-content: space-between;
  backdrop-filter: blur(10px);
  z-index: 30;
  background-color: white;
}

.logo {
  font-weight: 700;
  font-size: 22px;
}

nav a {
  margin-left: 24px;
  color: #1d1d1f;
  text-decoration: none;
  font-weight: 500;
}

.hero {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 30px;
  background-color: black;
}

.hero-content {
  color: white;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 30px;
}

.hero-img {
  height: 100vh;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  text-align: center;
  padding: 30px;
}

.hero-bg {
  background-image: url("image1.avif");
  background-size: contain;
  background-position: center;
}

.about {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 30px;
  background-color: black;
}

.about-content {
  color: white;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 30px;
}

.about-img {
  height: 100vh;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  text-align: center;
  padding: 30px;
}

.section3 {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 30px;
  background-color: black;
}

.section3-content {
  color: white;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 30px;
  max-width: 400px;
}

.section3-img {
  height: 100vh;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  text-align: center;
  padding: 30px;
}

.carousel {
  width: 80%;
  max-width: 800px;
  margin: 50px auto;
  overflow: hidden;
  border-radius: 12px;
}

.slides {
  display: flex;
  width: 100%;
  animation: slide 5s infinite;
}

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

/* Animation */
@keyframes slide {
  0% {
    transform: translateX(0);
  }
  35% {
    transform: translateX(0);
  }

  75% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(-100%);
  }
}

.center-section {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.section4 {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 30px;
  /* background-color: black; */
}

.section4-content {
  /* color: white; */
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 30px;
  max-width: 400px;
}

.section4-img {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  text-align: center;
  padding: 30px;
}

.shuttle-info {
  display: flex;
}

.shuttle {
  border: 1em solid white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.section {
  padding: 140px 65px;
  max-width: 1100px;
  margin: auto;
}

.section-bg-map {
  background-image: url("https://assets.waymo.com/images/one/maps/lidar-map.webp");
  background-size: cover;
  background-position: center;
  border-radius: 20px;
  color: white;
}

.section-bg-road {
  background-image: url("https://images.unsplash.com/photo-1533144640233-6fbb331e551f?auto=format&fit=crop&w=1500&q=80");
  background-size: cover;
  background-position: center;
  color: white;
  border-radius: 20px;
}

.tech-grid {
  display: flex;
}

.tech {
  border: 3em solid white;
  display: flex;
  justify-content: center;
  align-items: center;
}

.cards {
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
}

.card {
  flex: 1;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 14px;
  padding: 30px;
  min-width: 260px;
  backdrop-filter: blur(8px);
}

.cta-button {
  display: inline-block;
  margin-top: 22px;
  padding: 12px 30px;
  background: #00a884;
  color: white;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}

.hover-up {
  transition: 0.25s;
}

.hover-up:hover {
  transform: translateY(-6px);
}

footer {
  text-align: center;
  padding: 30px;
  margin-top: 50px;
  background: #0f1115;
  color: #ccc;
}

/* animations */

.fade-in,
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s ease-out;
}

.show {
  opacity: 1;
  transform: translateY(0px);
}