body {
  background-color: #020000;
  position: relative;
  min-height: 100vh;
}

body::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: url("../assets/fondo_butacas_cine.jpg");
  background-size: contain;
  background-position: top center;
  background-repeat: no-repeat;
  /* background-attachment: fixed; */
  opacity: 0.6;
  z-index: -1;
}

main {
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  background-color: #020000;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 6px 10px rgba(52, 51, 51, 0.7);
}

header > h1 {
  font-family: "Bangers", system-ui;
  font-weight: 200;
  font-style: normal;
  font-size: 60px;
  color: white;
}

header > img {
  width: 130px;
}

header > nav {
  margin-left: auto;
  text-align: center;
  align-items: center;
}

header > nav > ul {
  display: flex;
  gap: 40px;
  margin-right: 80px;
}

.barra_nav {
  text-decoration: none;
  color: white;
  font-family: "Comfortaa", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  font-size: 20px;
  padding: 5px 10px;
  transition: box-shadow 0.3s ease-in-out;
}

.barra_nav:hover {
  color: white;
  box-shadow: 0 0 8px 2px white;
}

h2 {
  font-family: "Bangers", system-ui;
  font-weight: 400;
  font-style: normal;
  font-size: 45px;
  padding-top: 0.7em;
  margin-left: 0.2em;
  margin-right: 0.2em;
  border-bottom: 1px solid white;
  padding-left: 14px;
  color: white;
}

.about_me {
  border: 1px solid black;
  width: 85%;
  margin: auto;
  font-size: 20px;
  font-family: "Comfortaa", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  text-align: center;
  padding: 2em;
  background-color: rgba(83, 82, 82, 0.29);
  border-radius: 8px;
  letter-spacing: 0.7px;
  color: white;
  margin-top: 2em;
}

#caja_tarjetas {
  font-family: "Open Sans";
  width: 80%;
  color: white;
  border-radius: 8px;
  margin: auto;
  padding: 2em;
  border: 1px solid black;
  display: flex;
  justify-content: space-around;
  background-color: rgba(83, 82, 82, 0.464);
  flex-wrap: wrap;
}

.tarjetas {
  border: 1px solid rgb(12, 12, 12);
  padding: 1.5em;
  margin-bottom: 1em;
  display: flex;
  flex-direction: column;
  text-align: center;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  font-family: "Comfortaa", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  letter-spacing: 0.7px;
}

.tarjetas > h3 {
  margin-bottom: 0.8em;
}

.tarjetas > img {
  width: 120px;
  height: auto;
  filter: grayscale(100%);
  transition: filter 0.5s;
}

.tarjetas > img:hover {
  filter: grayscale(0%);
}

#contenedor_peliculas {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  position: relative;
}

.tarjeta_pelis {
  font-family: "Comfortaa", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  display: flex;
  flex-direction: column;
  width: 325px;
  padding: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid black;
  border-radius: 5px;
  margin-top: 3em;
}

.tarjeta_pelis > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.3s ease-in-out;
}

.tarjeta_pelis:hover > img {
  opacity: 0.3;
}

.titulo_info_container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  padding: 1em;
  box-sizing: border-box;
  letter-spacing: 1px;
}

.tarjeta_pelis:hover > .titulo_info_container {
  opacity: 1;
}

.titulo_info_container > h3 {
  font-size: 24px;
  margin-bottom: 0.5em;
  text-align: center;
  margin-top: 100px;
}

.titulo_info_container > div.info_pelicula {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 80%;
  text-align: left;
}

.titulo_info_container > div.info_pelicula > p {
  margin-bottom: 0.6em;
  font-size: 16px;
}

.informacion_contacto {
  border: 1px solid rgb(12, 12, 12);
  padding: 1.5em;
  margin-bottom: 1em;
  display: flex;
  flex-direction: column;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  font-family: "Comfortaa", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  letter-spacing: 0.5px;
  width: 50%;
  margin: auto;
  color: white;
  margin-top: 8em;
}

.informacion_contacto > p,
.informacion_contacto > h3 {
  margin-bottom: 1em;
  font-size: 20px;
}

.numero {
  color: rgb(249, 243, 243);
  font-family: "Comfortaa", sans-serif;
  font-style: normal;
}

.caja_comentario {
  border: 1px solid rgb(12, 12, 12);
  padding: 1.5em;
  margin-bottom: 1em;
  background-color: rgba(255, 255, 255, 0.289);
  border-radius: 5px;
  font-family: "Comfortaa", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  width: 70%;
  margin: auto;
  margin-top: 3em;
  color: white;
}

.caja_comentario > h3 {
  font-size: 25px;
  margin-bottom: 1em;
  text-align: center;
  font-family: "Comfortaa", sans-serif;
}

.caja_comentario > form {
  display: flex;
  flex-direction: column;
  gap: 0.8em;
}

.caja_comentario > form > div {
  display: flex;
  align-items: center;
}

.caja_comentario > form > div > label {
  width: 100px;
  text-align: right;
  margin-right: 0.5em;
}

.caja_comentario form > div > input[type="text"],
.caja_comentario form > div > input[type="email"],
.caja_comentario form > div > textarea {
  flex-grow: 1;
  padding: 0.5em;
  border: 1px solid rgb(11, 11, 11);
  border-radius: 3px;
  background-color: rgba(0, 0, 0, 0.4);
  color: black;
}

.caja_comentario > form > button {
  width: 20%;
  align-self: flex-end;
  font-family: "Comfortaa", sans-serif;
}

.form-control {
  padding: 0.5em;
  border: 1px solid rgb(12, 12, 12);
  border-radius: 3px;
  background-color: rgba(0, 0, 0, 0.2);
  color: black;
}

.contenedor_peliculas {
  background-color: yellow;
  width: 80%;
  margin: auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  color: white;
}

header img {
  width: 80px;
}

header h1 {
  font-family: "Bangers", cursive;
  font-size: 3.5rem;
  margin: 0;
}

header nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

header nav ul li {
  margin-left: 1.5rem;
}

@media (max-width: 768px) {
  header {
    flex-direction: column;
    text-align: center;
    padding: 1rem;
  }

  header img {
    width: 60px;
  }

  header h1 {
    font-size: 2rem;
    margin-top: 0.5rem;
  }

  header nav {
    width: 100%;
    margin-top: 1rem;
  }

  header nav ul {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  header nav ul li {
    margin: 0;
  }

  body {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  header nav ul {
    flex-wrap: wrap; 
    justify-content: center;
  }

  header nav ul li a {
    font-size: 0.9rem;
    padding: 0.3rem;
  }
}