:root {
  --preto: #000000;
  --preto-acinzentado: #1A1A1A;

  --roxo: #8B5CF6;
  --roxo-claro: #A855F7;
  --lilas: #C084FC;

  --branco: #F5F5F5;
  --cinza-claro: #B3B3B3;
}

/* RESET */

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

/* BODY */

body {
  font-family: 'Poppins', sans-serif;
  color: var(--branco);

  background:
    linear-gradient(
      to right,
      rgba(0, 0, 0, 1) 10%,
      rgba(0, 0, 0, .9) 35%,
      rgba(0, 0, 0, .6) 60%,
      rgba(0, 0, 0, .2) 100%
    ),
    url("../assets/img/fundo-movie.jpg");

  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

/* HEADER */

header {
  background-color: var(--preto);

  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;

  gap: 10px;
  padding: 15px;
}

.logo img {
  width: 90px;
  height: auto;
}

/* MENU */

.menu {
  display: flex;
  gap: 30px;
}

.menu a {
  color: var(--branco);
  text-decoration: none;
  transition: .3s;
}

.menu a:hover {
  color: var(--roxo);
}

/* INPUT HEADER */

.input {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input input {
  width: 190px;

  padding: 10px 10px 10px 40px;

  border: none;
  border-radius: 25px;

  background-color: var(--preto-acinzentado);

  color: var(--cinza-claro);

  background-repeat: no-repeat;
  background-position: 10px center;
  background-size: 18px;
}

.input input::placeholder {
  color: var(--cinza-claro);
}

.input input:focus {
  outline: none;
  box-shadow: 0 0 5px var(--roxo);
}

/* IDIOMA */

.idioma-selector {
  display: flex;
  gap: 8px;
}

.btn-idioma {
  background-color: var(--preto-acinzentado);

  color: var(--cinza-claro);

  border: 2px solid var(--roxo);
  border-radius: 6px;

  padding: 6px 14px;

  font-family: 'Poppins', sans-serif;
  font-size: 12px;
  font-weight: 600;

  cursor: pointer;
  transition: all .3s ease;
}

.btn-idioma:hover {
  background-color: var(--roxo);
  color: var(--branco);

  transform: scale(1.05);
}

.btn-idioma.ativo {
  background-color: var(--roxo);
  color: var(--branco);

  border-color: var(--roxo-claro);
}

/* MAIN */

.main {
  display: flex;
  flex-direction: column;

  gap: 30px;
  margin: 50px;
}

.conteudo {
  display: flex;
  flex-direction: column;

  gap: 20px;
  max-width: 500px;
}

.conteudo h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
}

.conteudo span {
  color: var(--roxo);
}

.conteudo2 p {
  color: var(--cinza-claro);
}

/* INPUT PRINCIPAL */

#filme {
  width: 380px;

  padding: 12px 15px 12px 45px;

  border: none;
  border-radius: 15px;

  background-color: var(--preto-acinzentado);

  color: var(--cinza-claro);

  font-size: 14px;

  background-repeat: no-repeat;
  background-position: 12px center;
  background-size: 20px;

  outline: none;
}

#filme::placeholder {
  color: var(--cinza-claro);
}

#filme:focus {
  color: var(--branco);
}

/* BOTÕES */

button {
  background: none;
  border: none;
  cursor: pointer;
}

#btnHeader,
#btnMain {
  width: 80px;
  height: 35px;

  border-radius: 25px;
  border: 2px solid transparent;

  background: linear-gradient(
    135deg,
    var(--roxo) 0%,
    var(--roxo-claro) 100%
  );

  color: var(--branco);

  font-family: 'Poppins', sans-serif;
  font-weight: 600;

  position: relative;
  overflow: hidden;

  transition: all .3s ease;

  box-shadow: 0 4px 15px rgba(139, 92, 246, .3);
}

#btnHeader::before,
#btnMain::before {
  content: '';

  position: absolute;

  top: 0;
  left: -100%;

  width: 100%;
  height: 100%;

  background: linear-gradient(
    90deg,
    transparent,
    rgba(255,255,255,.3),
    transparent
  );

  transition: left .5s;
}

#btnHeader:hover::before,
#btnMain:hover::before {
  left: 100%;
}

#btnHeader:hover,
#btnMain:hover {
  transform: translateY(-2px) scale(1.05);

  border-color: var(--lilas);

  background: linear-gradient(
    135deg,
    var(--roxo-claro) 0%,
    var(--lilas) 100%
  );

  box-shadow:
    0 8px 25px rgba(139, 92, 246, .5),
    0 0 20px rgba(192, 132, 252, .3);
}

#btnHeader:active,
#btnMain:active {
  transform: translateY(0) scale(.98);
}

/* BOTÃO DETALHES */

.btn-detalhes,
button.btn-detalhes {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  gap: 8px;

  padding: 10px 16px;

  border-radius: 12px;
  border: 2px solid rgba(192, 132, 252, .4);

  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, .75) 0%,
    rgba(168, 85, 247, .75) 100%
  );

  color: var(--branco);

  font-size: 13px;
  font-weight: 600;
  letter-spacing: .5px;

  backdrop-filter: blur(10px);

  transition: all .3s ease;

  box-shadow: 0 4px 15px rgba(139, 92, 246, .25);
}

/* CATÁLOGO */

#alta {
  margin: 30px;
}

.card {
  display: flex;
  flex-wrap: wrap;

  gap: 20px;
  padding: 20px;

  scroll-behavior: smooth;
}

.movie-card {
  width: 160px;
  transition: .3s;
}

.movie-card:hover {
  transform: scale(1.05);
}

.movie-card img {
  width: 100%;
  border-radius: 8px;
}

.movie-card h3 {
  margin: 5px 0;
  font-size: 14px;
}

.footer {
  background-color: var(--preto);

  margin-top: 50px;
  padding: 30px 20px;

  text-align: center;

  border-top: 1px solid rgba(139, 92, 246, .3);
}

.footer-conteudo {
  max-width: 1000px;
  margin: 0 auto;
}

.footer h3 {
  color: var(--roxo);
  margin-bottom: 10px;
}

.footer h4 {
  color: var(--lilas);
  margin: 20px 0 10px;
}

.footer p,
.footer li {
  color: var(--cinza-claro);
}

.integrantes ul {
  list-style: none;
}

.integrantes li {
  margin: 6px 0;
}

.copyright {
  margin-top: 20px;
  font-size: 14px;
  opacity: .8;
}