/*** FONTS ***/
@import url('https://fonts.googleapis.com/css2?family=Archivo:ital,wght@0,100..900;1,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Rubik+Glitch&display=swap');

/*** VARIABLES & THEMES ***/

:root {
    --primary-color: #cf0f0f;
    --primary-color-contrast: #ffffff;
    --field-background-color: #000;
  }
  
  .light-theme {
    --page-background: linear-gradient(
      180deg,
      #ffffff 0%,
      #ffffff 65%,
      rgba(255, 255, 255, 0.75) 100%
    );
    --header-background-color: #e3e3e3;
    --highlight-color: #000000;
    --featured-font-family: "Archivo", sans-serif;
    --character-top-image-src: url("../images/characters/kids-on-the-bike.svg");
    --character-top-image-color: #ffffff;
    --character-bottom-image-src: url("../images/characters/inverted-world-monster.svg");
    --character-bottom-image-color: #e5e5e5;
    --background-lamp-image: url("../images/backgrounds/lamps.png");
    --footer-background-color: #b5bbbf;
  }
  
  .dark-theme {
    --page-background: linear-gradient(
      180deg,
      #050000 0%,
      #130404 65%,
      rgba(19, 1, 1, 0.75) 100%
    );
    --header-background-color: #220f0f;
    --highlight-color: #ffffff;
    --featured-font-family: "Rubik Glitch", sans-serif;
    --character-bottom-image-src: url("../images/characters/kids-on-the-bike.svg");
    --character-bottom-image-color: rgba(255, 255, 255, 0.1);
    --character-top-image-src: url("../images/characters/inverted-world-monster.svg");
    --character-top-image-color: #000;
    --background-lamp-image: url("../images/backgrounds/lamps-inverted.png");
    --footer-background-color: #000;
  }

  .dark-theme button,
  .dark-theme h1,
  .dark-theme h2,
  .dark-theme h3 {
    letter-spacing: 5px;
    font-weight: normal;
  }

  .dark-theme .invert-element {
    transform: rotateZ(180deg) scaleX(-1);
  }

  /* GENERIC STYLES */

  * {
    margin: 0;
    box-sizing: border-box;
    transition: 1s;
  }

  h1,
  h2,
  h3 {
    font-family: var(--featured-font-family);
    font-size: 3rem;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 40px;
  }

  p {
    color: var(--highlight-color);
  }

  p,
  input,
  textarea,
  label {
    font-family: "Libre Barkerville", serif;
  }

  button {
    padding: 16px 32px;
    background-color: transparent;
    font-weight: 900;
    font-family: var(--featured-font-family);
    font-size: 1.25rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 1s;
  }

  button:hover {
    transform: scale(1.05);
}

  input,
  textarea {
    border: 2px solid var(--primary-color-contrast);
    background-color: var(--field-background-color);
    color: var(--primary-color-contrast);
    padding: 8px;
    margin-bottom: 24px;
    font-size: 1rem;
  }

  label {
    margin-bottom: 8px;
  }

  input:focus-visible,
  textarea:focus-visible {
    outline: none;
    border-color: black;
  }

  /* HEADER */

  header {
    background-color: var(--header-background-color);
    height: 850px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
  }

  header::before {
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    background-image: url("../images/banner/florest.webp");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center 90%;
    filter: saturate(0);
    opacity: 0.2;
    transition: opacity 1.5s;
  }

  header:hover::before {
    opacity: 0.3;
}

  .header-content {
    max-width: 700px;
    padding: 80px 20px;
    text-align: center;
    z-index: 2;
  }

  .header-content img {
    width: 80%;
  }

  .header-content p {
    margin: 30px 0 50px;
  }

  .header-content button {
    border: 3px solid var(--primary-color);
    color: var(--primary-color);
  }

  .header-content button:hover {
    background-color: var(--primary-color);
    color: var(--primary-color-contrast);
  }

  /* WORLD CHARACTERS STYLES */

  .world-characters {
    width: 100%;
    max-width: 900px;
    position: absolute;
  }

  .world-characters#top-characters {
    height: 100%;
    background-color: var(--character-top-image-color);
    bottom: -3px;

    mask: var(--character-top-image-src) bottom / 100% no-repeat;
    --webkit-mask: var(--character-top-image-src) bottom / 100% no-repeat;
  }

  .world-characters#bottom-characters {
    height: 500px;
    background-color: var(--character-bottom-image-color);
    top: 3px;
    transform: rotateZ(180deg) scaleX(-1);
    position: relative;

    mask: var(--character-bottom-image-src) bottom / contain no-repeat;
    --webkit-mask: var(--character-bottom-image-src) bottom / contain no-repeat;
  }

  /* MAIN STYLES */

  main {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  main::before {
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    background: var(--page-background) no-repeat,
    url("../images/backgrounds/florest.png") no-repeat;
    background-size: cover;
    z-index: -1;
  }

  /* SECTIONS STYLES */

  section {
    display: flex;
    justify-content: space-between;
    margin-bottom: 95px;
  }

  /* SECTION 01 - Inverted World */

  .container{
    max-width: 1200px;
  }

  #section-inverted-world {
    align-items: center;
  }

  #section-inverted-world .section-texts {
    width: 50%;
  }

  #section-inverted-world .section-texts h2 {
    max-width: 300px;
  }

  /* SECTION 02 - Stranger Things Trailer */

  #section-stranger-things-trailer .section-texts {
    width: 50%;
    text-align: right;
  }

  #section-stranger-things-trailer .section-texts h2 {
    max-width: 425px;
    display: inline-block;
  }

  #section-stranger-things-trailer .video-frame {
    background-color: var(--primary-color);
  }

  #section-stranger-things-trailer .video-frame iframe {
    position: relative;
    bottom: 24px;
    left: 24px;
    border: 2px solid;
    border-image: linear-gradient(
      var(--primary-color),
      var(--primary-color-contrast)
    );
    border-image-slice: 10;
  }

  #section-stranger-things-trailer .video-frame:hover {
    box-shadow: 0px 0px 15px 5px rgba(255, 0, 0, 0.5);
}

  /* SECTION 03 - Stranger Things Gallery */

  #section-stranger-things-gallery {
    width: 100%;
    justify-content: center;
    background: var(--background-lamp-image) 120% / 50% no-repeat;
  }

  #section-stranger-things-gallery .container {
    width: 100%;
  }

  #section-stranger-things-gallery .container h2 {
    width: 800px;
  }

  #section-stranger-things-gallery .gallery-container {
    display: flex;
    gap: 50px;
    padding-left: 20px;
  }

  #section-stranger-things-gallery .gallery-image {
    width: 250px;
    height: 250px;
    outline: 20px solid var(--highlight-color);
    border: 3px solid var(--primary-color);
    box-sizing: initial;
  }

  #section-stranger-things-gallery .gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 10px solid var(--highlight-color);
  }

  #section-stranger-things-gallery .gallery-image:hover {
    transform: scale(1.1);
    outline-color: var(--primary-color);
    transition: transform 0.3s ease, outline-color 0.3s ease;
}

  /* SECTION 04 - Dungeons & Dragons Form */

  #section-form {
    flex-direction: column;
    align-items: center;
    gap: 40px;
    text-align: center;
  }

  #section-form h2 {
    width: 600px;
  }

  #section-form .form-content h3 {
    color: var(--highlight-color);
    flex-basis: 30%;
    text-align: left;
    margin: 0;
  }

  #section-form .form-content h3 span {
    color: var(--primary-color);
  }

  #section-form .form-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  #section-form .form-container {
    flex-basis: 50%;
    position: relative;
  }

  #section-form .form-container::after {
    content: "";
    background-color: var(--highlight-color);
    width: 100%;
    height: 100%;
    position: absolute;
    top: 24px;
    left: 24px;
    z-index: -1;
  }

  #section-form .form-container form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px;
    background-color: var(--primary-color);
    color: var(--primary-color-contrast);
    text-align: left;
  }

  #section-form .form-container form button {
    border: none;
    background-color: var(--field-background-color);
    color: var(--primary-color-contrast);
    max-width: 300px;
    align-self: center;
  }

  #section-form .form-container form button:hover {
    background-color: var(--primary-color-contrast);
    color: var(--field-background-color);
  }

  /* FOOTER STYLES */

  footer {
    padding: 60px 0;
    background-color: var(--footer-background-color);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
  }

  footer p {
    max-width: 700px;
    margin-bottom: 24px;
  }

  footer::before,
  footer::after {
    content: "";
    width: 300px;
    height: 200px;
    background: url("../images/footer/tape.svg") no-repeat;
    background-size: contain;
    position: absolute;
    bottom: -30px;
  }

  footer::before {
    left: -50px;
    transform: rotateZ(-10deg);
  }

  footer::after {
    right: -50px;
    transform: rotateZ(10deg);
  }

  @keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.2s;
}
button:active {
    box-shadow: 0px 0px 10px 2px rgba(255, 0, 0, 0.5);
    transform: scale(0.98);
}