/* Basic Reset - fundamental to make it responsive*/
*, *::before, *::after {
  box-sizing: border-box; /* Make sure the padding no affect the total sizing */
  margin: 0;
  padding: 0;
}
:root{
  --primary-color: #089afcce;
  --secondary-color: #0affeb;
  --dark-bg: #121212;
  --text-color: azure;
  --border-color: #1e1e1e;
  --transition: .5s ease;
}
body {
  font-family: Arial, sans-serif; 
  background-color: var(--primary-color);
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    
}
h2{
  flex: 1;
  text-align: center;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(90deg, #000, #555, #000);
  background-size: 300% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: brightness 3s linear infinite;
}
  @keyframes brightness{
  0%{
    background-position: 0% center;
  }
  100%{
    background-position: 200% center;
  }

}
nav{
  padding: 2rem;
  background-color: darkblue;
  border-radius: 50%;
  border: 2px double  var(--border-color);
  margin: 0.8rem;
  position: relative;
}
span{
  color: var(--secondary-color);
}
.logo{
  font-size: xx-small;
  font-weight: 600;
  color: azure;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  text-align: center;
  justify-content: center;
  transition: var(--transition);
}
.logo:hover{
  font-size: xx-small;
  font-weight: 600;
  color: var(--secondary-color);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  text-align: center;
  justify-content: center;
  scale: 1.5;
  
}
.cont-card {
  display: grid;
  /* 'auto-fit' crea las columnas según el espacio disponible automáticamente */
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
  justify-content: center;
  width: 90%;
  margin: 2rem auto; /* Centra el contenedor */
  gap: 2rem;
}
/* 4. Ajuste de las tarjetas y las imágenes */
.card {
  width: 100%; /* Deja que el grid controle el ancho */
  padding: 1rem;
}
img {
  max-width: 100%; /* Evita que la imagen se salga de la tarjeta */
  height: auto;
  display: block;
  margin: 0 auto 1rem;
  /* Quitamos el width: 20rem fijo */
  background-color: blueviolet;
  padding: 0.2rem;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3); /* Sombras más realistas */
  object-fit: cover;
  filter: grayscale(100%) brightness(0.5);
  transition: transform 0.3s ease, filter 0.3s ease;
}
 img:hover {
  transform: scale(1.05); /* Efecto de zoom suave */
  filter: grayscale(0%) brightness(1);
}

.name, h2{
    font-weight: bold;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    text-align: center;
    background: linear-gradient(
        90deg,
        #000,
        #444,
        #000
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: brillo 3s linear infinite;
}
@keyframes brillo{
    0%{
        background-position: 0% center;
    }
    100%{
        background-position: 200% center;
    }
}
.description{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    width: 100%;
    text-align: center;
}