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

html {
  scroll-behavior: smooth;
}

body {
  background-color: #0f0f1e;
  color: #fff;
  font-size: 16px;
  min-height: 100vh;
}

/* Header */
header {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background-color: #0f0f1e;
  box-shadow: 0 2px 8px rgba(0, 247, 255, 0.1);
  z-index: 10;
}

.logo {
  font-family: "Orbitron", sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: #00f7ff;
  text-shadow: 0 0 10px rgba(0, 247, 255, 0.5);
}

header nav ul {
  display: flex;
  gap: 48px;
}

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

header nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

header nav ul li a:hover,
header nav ul li a:focus {
  color: #00f7ff;
  outline: none;
}

header nav ul li::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: #00f7ff;
  transition: width 0.5s ease;
}

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

/* Home Section */
#home {
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 20px;
  text-align: center;
}

#home h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  font-family: "Orbitron", sans-serif;
}

#home p {
  max-width: 700px;
  margin: 0 auto 20px;
  color: #ccc;
}

.btn-link {
  display: inline-block;
  padding: 12px 24px;
  background: linear-gradient(90deg, #00f7ff, #0066ff);
  color: #000;
  font-weight: 700;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.3s ease;
}

.btn-link:hover,
.btn-link:focus {
  background: linear-gradient(90deg, #0066ff, #00f7ff);
  outline: none;
}

/* Container Produtos */
.container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px 60px;
  background: linear-gradient(135deg, #0f0f1e 0%, #1f1f3a 100%);
  position: relative;
  overflow: visible;
}

/* Slider list */
.list {
  position: relative;
  width: 100%;
  height: 500px;
  margin: 0 auto;
  overflow: hidden;
}

/* Items do slider */
.item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;

  opacity: 0;
  pointer-events: none;
  transform: translateX(100vw);

  transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}

.item.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
  z-index: 1;
}

/* Imagem do produto */
.product-img {
  width: 50%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease 0.3s, opacity 0.4s ease 0.3s;
}

.product-img img {
  max-width: 100%;
  max-height: 450px;
  filter: drop-shadow(0 0 40px rgba(0, 247, 255, 0.5));
  user-select: none;
}

/* Conteúdo texto */
.content {
  width: 50%;
  padding-right: 80px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.product-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: #00f7ff;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.product-name {
  font-size: 2.5rem;
  font-family: "Orbitron", sans-serif;
  line-height: 1.1;
  margin-bottom: 20px;
}

.description {
  font-size: 1rem;
  color: #b8b8d0;
  line-height: 1.6;
  margin-top: 10px;
  max-width: 600px;
}

/* Botão Saiba Mais */
.btn {
  margin-top: 20px;
  padding: 14px 24px;
  background: linear-gradient(90deg, #00f7ff, #0066ff);
  border-radius: 8px;
  color: #000;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.3s ease, background 0.3s ease;
}

.btn:hover,
.btn:focus {
  opacity: 0.9;
  background: linear-gradient(90deg, #0066ff, #00f7ff);
  outline: none;
}

/* Botões de navegação do slider */
.arrows {
  position: absolute;
  width: 100%;
  display: flex;
  justify-content: space-between;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  padding: 0 20px;
}

.arrows-btn {
  width: 60px;
  height: 60px;
  cursor: pointer;
  background-color: rgba(0, 247, 255, 0.1);
  border: none;
  border-radius: 8px;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.arrows-btn:hover,
.arrows-btn:focus {
  background-color: rgba(0, 247, 255, 0.3);
  transform: scale(1.05);
  outline: none;
}

/* Indicadores */
.indicators {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-top: 20px;
  gap: 8px;
  font-weight: 800;
}

.indicators .numbers {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  font-family: "Orbitron", sans-serif;
}

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

.dot {
  width: 40px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  transition: background-color 0.3s ease;
}

.dot.active {
  background: cyan;
}

/* Seção Contatos */
.contatos {
  background-color: #151526;
  color: #fff;
  text-align: center;
  padding: 40px 20px;
}

.contatos h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  font-family: "Orbitron", sans-serif;
}

.contatos p {
  font-size: 0.9rem;
  margin-bottom: 20px;
  color: #ccc;
}

.contatos-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.contatos-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  background: #22223a;
  color: #fff;
  text-decoration: none;
  transition: background 0.3s ease;
}

.contatos-links a:hover,
.contatos-links a:focus {
  background: #2f2f4d;
  outline: none;
}

.contatos-links img {
  width: 24px;
  height: 24px;
  user-select: none;
}

/* ======================
   Ajustes para Mobile 
====================== */
@media (max-width: 600px) {
  header {
    padding: 15px 20px;
  }

  .logo {
    font-size: 1.5rem;
  }

  header nav ul {
    gap: 24px;
  }

  #home h1 {
    font-size: 1.8rem;
  }

  #home p {
    font-size: 0.9rem;
    max-width: 100%;
    padding: 0 10px;
  }

  .btn-link {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .container {
    padding: 20px 10px 40px;
  }

  .list {
    height: auto;
  }

  .item {
    flex-direction: column;
    position: relative;
    height: auto;
    gap: 1.5rem;
    padding-bottom: 20px;
  }

  .product-img {
    width: 100%;
    height: auto;
    padding: 0 10px;
  }

  .product-img img {
    max-height: 250px;
    width: auto;
  }

  .content {
    width: 100%;
    padding-right: 0;
    padding-left: 10px;
  }

  .product-tag {
    font-size: 0.65rem;
  }

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

  .description {
    font-size: 0.9rem;
    max-width: 100%;
  }

  .btn {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
  }

  .arrows {
    top: auto;
    bottom: 10px;
    padding: 0 10px;
  }

  .arrows-btn {
    width: 45px;
    height: 45px;
  }

  .indicators {
    flex-direction: row;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
  }

  .indicators .numbers {
    font-size: 1.2rem;
  }

  .dot {
    width: 25px;
    height: 3px;
  }
}