* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  list-style: none;
  font-family: "Montserrat", sans-serif;
}

body {
  background-color: #f1430ef5;
  color: #fff;
  font-size: 16px;
  overflow-x: hidden;
  overflow-y: auto;
}

/* HEADER */
header {
  position: fixed;
  width: 100%;
  top: 0;
  padding: 20px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 3;
}

.logo {
  font-family: "Orbitron", sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: #2a0258;
  text-shadow: 0 0 10px rgb(122, 20, 255);
}

header nav ul {
  display: flex;
  gap: 48px;
  margin-right: auto;
  justify-content: flex-start;
}

header nav ul li {
  cursor: pointer;
  position: relative;
  padding: 5px 0;
}

header nav ul li::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: #7700ff;
  transition: width 0.2s ease;
}

header nav ul li:hover::after {
  width: 100%;
}

/* CONTAINER */
.container {
  min-height: 100vh;
  height: 100dvh;
  position: relative;
  background: linear-gradient(135deg,#f1430ef5 0%, #f37b2c 100%);
  overflow: hidden;
}

.container::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 70%;
  background: radial-gradient(circle, rgb(247, 162, 105) 0%, rgba(170, 97, 60, 0) 60%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(50px);
  z-index: 1;
  animation: pulse 3s infinite alternate;
  pointer-events: none;
}

@keyframes pulse {
  0% {
    opacity: 0.1;
    transform: translate(-50%, -50%) scale(0.1);
  }
  100% {
    transform: translate(-50%, -50%) scale(1.3);
  }
}

.list {
  width: 80%;
  margin: 0 auto;
  position: relative;
  height: 100%;
}

.item {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transform: translateX(100vw);
  transition: opacity 0.7s ease-in-out, transform 0.7s ease-in-out;
}

.active {
  opacity: 1;
  transform: translateX(0);
}

.product-img {
  width: 45%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.product-img img {
  max-width: 80%;
  max-height: 60%;
  filter: drop-shadow(0 0 30px rgb(97, 67, 50));
  transform: translate(400px);
  opacity: 0;
  transition: transform 0.6s ease, opacity 0.6s ease;
  transition-delay: 0.5s;
}

.active .product-img img {
  transform: translateX(0);
  opacity: 1;
}

.content {
  width: 55%;
  padding: 80px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  z-index: 2;
  flex-direction: column;
}

.product-tag {
  font-size: 1rem;
  text-transform: uppercase;
  color: #2a0258;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.product-name {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  font-family: "Orbitron", sans-serif;
  line-height: 1.1;
  margin-bottom: 20px;
  transform: translate(400px);
  opacity: 0;
  transition: transform 0.6s ease, opacity 0.6s ease;
  transition-delay: 0.5s;
}

.active .product-name {
  transform: translateX(0);
  opacity: 1;
}

.description {
  font-size: 1rem;
  color: #ececf3;
  line-height: 1.6;
  margin-bottom: 30px;
  max-width: 600px;
  transform: translate(400px);
  opacity: 0;
  transition: transform 0.6s ease, opacity 0.6s ease;
  transition-delay: 0.5s;
}

.active .description {
  transform: translateX(0);
  opacity: 1;
}

.btn {
  padding: 12px 16px;
  background: linear-gradient(50deg, #4a039b, #695abe);
  border-radius: 30px;
  color: #000;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  position: relative;
  z-index: 10;
}

.btn:hover {
  background: linear-gradient(50deg, #f1430ef5, #c8c1ec);
  transform: scale(1.05);
  color: black;
}

.arrows {
  position: absolute;
  width: 90%;
  display: flex;
  justify-content: space-between;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
}

.arrow-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(245, 222, 196, 0.3);
}

.arrow-btn:hover {
  background-color: rgba(228, 179, 138, 0.3);
  border-color: #4a039b;
}

.indicators {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  z-index: 5;
}

.numbers {
  font-family: "Orbitron", sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.2);
}

.dots {
  display: flex;
  gap: 10px;
}

.dot {
  width: 40px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
}

.dot.active {
  background-color: #2a0258;
  box-shadow: 0 0 10px rgba(71, 51, 141, 0.3);
}

.tech-circle {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(253, 253, 253, 0.3);
  pointer-events: none;
  z-index: 1;
}

.circle:nth-child(1) {
  width: 200px;
  height: 200px;
  top: 10%;
  left: 10%;
}

.circle:nth-child(2) {
  width: 300px;
  height: 300px;
  top: 60%;
  left: 80%;
}

.circle:nth-child(3) {
  width: 150px;
  height: 150px;
  top: 70%;
  left: 20%;
}

.circle:nth-child(4) {
  width: 120px;
  height: 120px;
  top: 20%;
  left: 70%;
}

/* RESPONSIVO */
@media (max-width: 768px) {
  header {
    padding: 20px;
  }

  .logo {
    font-size: 1.5rem;
  }

  header nav ul {
    gap: 20px;
    font-size: 0.9rem;
  }

  .item {
    flex-direction: column;
    text-align: center;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 60px 20px 100px;
  }

  .product-img,
  .content {
    width: 100%;
    padding: 20px;
    align-items: center;
    justify-content: center;
  }

  .product-img img {
    max-width: 90%;
    height: auto;
    margin-top: 20px;
  }

  .product-name {
    font-size: 1.8rem;
  }

  .description {
    font-size: 0.9rem;
  }

  .btn {
    font-size: 0.9rem;
    padding: 10px 14px;
    margin-bottom: 80px;
    width: 100%;
    align-self: center;
  }

  .indicators {
    bottom: 20px;
    gap: 10px;
  }

  .numbers {
    font-size: 2.3rem;
    text-align: center;
  }

  .arrows {
    width: 100%;
    padding: 0 10px;
  }
}