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

body {
  font-family: Arial, sans-serif;
  background-color: #F4F4F5;
  
}

header {
  background: black;
  padding: 1rem;
  color: white;
  
}

.imgheader {
  width: 100px;
  height: 100px;
  /*border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0, 255, 255, 0.4);
  transition: transform 0.25s ease;*/
  
}

/*.imgheader:hover{
 transform: translateZ(10px) scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 255, 255, 0.7);}*/

.busqueda {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
}

  

  input {
    flex: 1;
    min-width: 150px;
    max-width: 400px;
    padding: 5px;
    border-radius: 6px;
    border: 1px solid teal;
  }

  #btnbuscar {
    padding: 5px 15px;
    border: none;
    border-radius: 6px;
    background: linear-gradient(green, darkgreen);
    color: wheat;
    cursor: pointer;
  }

.navegacion {
  margin-top: 10px;
  display: flex;
  justify-content: center;
}

/* Lista del menú */
.navegacion ul {
  
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 10px 0;
  justify-content: center;
  align-items: center;
}

/* Enlaces del menú */
.navegacion a {
  
  text-decoration: none;
  color: wheat;
  font-weight: bold;
  font-size: 1rem;
  padding: 0.75rem 1rem;
  display: inline-block;
  line-height: 1.5;
  position: relative;
  transition: color 0.3s ease;
}
h1 {
  text-align: center;
  padding: 1rem 0;
  border-bottom: 2px solid black;
  background-color: white;
}


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

section {
  background-color: white;
  padding: 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  text-align: center;
}



img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  margin-bottom: 10px ;
}
.arreglosimg{
  width: 230px;
  height: 200px;
  object-fit: cover;
  margin-bottom: 10px;
}

.botones {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.mas, .compras {
  width: 20%;
  
  background: linear-gradient(green, darkgreen, black);
  height: 32px;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.Regreso{
  background: linear-gradient(green, darkgreen, black);
  height: 32px;
  border-radius: 7px;
  color: wheat;
}
.btnregreso{
  text-align: right;
}

.btnregreso2{
  position: relative;
  top: -32px;
}
body{
  background: FAFAFA;
}

   .navegacion ul {
      display: flex;
      gap: 2rem ;
      list-style: none;
      padding: 0;
      margin: 10px;
      justify-content: center;
      
      align-items: center;
    }
    

    .navegacion a {
      text-decoration: none;
      
      position: relative;
      padding: 0.5rem 0;
      font-size: 1rem;
    }

    /* Línea principal (rayita) */
    .navegacion a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      height: 2px;
      width: 0%;
      background-color: cyan;
      transition: width 0.4s ease;
      box-shadow: none;
    }

    /* Reflejo debajo de la rayita */
    .navegacion a::before {
      content: "";
      position: absolute;
      left: 0;
      bottom: -8px;
      height: 3px;
      width: 0%;
      background: linear-gradient(to bottom, rgba(0,255,255,0.4), transparent);
      transition: width 0.4s ease;
      filter: blur(3px);
      opacity: 0.6;
    }

    /* Hover: activar animación y mostrar rayita */
    .navegacion a:hover {
      color: cyan;
    }

    .navegacion a:hover::after {
      width: 100%;
      animation: brilloPulse 1.5s infinite alternate;
    }

    .navegacion a:hover::before {
      width: 100%;
      animation: reflejoPulse 1.5s infinite alternate;
    }

    /* Animación de brillo fuerte con colores */
    @keyframes brilloPulse {
      0%, 100% {
        box-shadow:
          0 0 10px cyan,
          0 0 20px lime,
          0 0 40px aqua,
          0 0 60px blue,
          0 0 80px fuchsia;
      }
      50% {
        box-shadow:
          0 0 30px white,
          0 0 60px cyan,
          0 0 90px magenta,
          0 0 120px teal,
          0 0 150px blue;
      }
    }

   

    /* Mobile: mantener visible el efecto */
    @media (max-width: 768px) {
      .navegacion a::after,
      .navegacion a::before {
        width: 100%;
        animation: brilloPulse 1.5s infinite alternate;
      }
    }

    h3{
      margin: 10px 0 5px;
      font-size: 22px;
      color: #333;
    }

    section h5 {
      margin: 5px 0;
      font-size: 18px;
      color: #555;
    }

   
 section h5:first-of-type {
      text-decoration: line-through;
      color: #999;
    }
  section h5.precio-antes {
  text-decoration: line-through;
  color: #999;
}


    

    /*cronometro*/

     .cronometro {
      display: inline-flex;
      align-items: center;
      font-family: Arial, sans-serif;
      font-size: 20px;
      background: #f0f0f0;
      padding: 10px 20px;
      border-radius: 8px;
    }

    h6{
      margin: 0 0 5px;
      font-size: 14px;
      color: #555;
    }

    .cronometro img {
      width: 24px;
      height: 24px;
      margin-right: 6px;
    }

    .cronometro span#tiempo {
      font-size: 18px;
      font-weight: bold;
      color: #d9534f;
    }

    .cronometro-time {
      display: flex;
      align-items: center;
      gap: 6px;
    }