* {
   font-family: "poppins", Helvetica, sans-serif;
   box-sizing: border-box;
   margin: 0px;
   padding: 0px;
}

:root {
   --primary-color: #106aa7;
   --background-color: #181818;
   --secondary-background-color: #222222;
   --primary-text-color: #ffffff;
   --secondary-text-color: #a1a1a1;
}

body {
   background-color: var(--background-color);
   color: var(--primary-text-color);
   width: 100%;
   height: 100vh;
}

/* Geral */
main {
   display: flex;
   flex-direction: column;
   justify-content: center;
   align-items: center;
   overflow: hidden;
   position: relative;
   z-index: 1;

   h2 {
      font-size: 36px;
   }

   section {
      padding: 50px;
   }
}

*::selection {
   background: #414141;
   color: var(--primary-text-color);
}


#particles-container {
   position: absolute;
   height: 100%;
   width: 100%;
   top: 0;
   left: 0;
   z-index: 0;
}

/**-------------------------------------*/
#main-section {
   text-align: center;
   width: 100%;
   height: 100dvh;
   display: flex;
   flex-direction: column;
   justify-content: center;
   align-items: center;
   gap: 20px;
   position: relative;

   user-select: none;
   -webkit-user-select: none;
   -moz-user-select: none;

   h1 {
      font-size: 48px;
      font-weight: bold;
      width: 400px;

      span {
         color: var(--primary-color);
      }
   }

   p {
      color: var(--secondary-text-color);
      font-size: 16px;
      width: 300px;
   }

   #btn-box {
      display: flex;
      place-content: center;
      gap: 20px;
      width: 300px;

      a {
         text-decoration: none;
         height: 50px;
         padding: 10px;
         border-radius: 5px;
         background-color: #444444;
         color: white;
         cursor: pointer;
         font-size: 16px;
         font-weight: bold;
         transition: background-color 0.3s;
         display: flex;
         align-items: center;
         justify-content: center;

         &:hover {
            background-color: #666666;
         }

         #github-icon {
            width: 30px;
         }
      }

   }

   #arrow {
      width: 40px;
      height: 40px;
      position: absolute;
      bottom: 10px;
      animation: apontar 0.7s linear infinite;
      opacity: 0;
   }
}

@keyframes apontar {
   0% {
      transform: translateY(0px);
   }

   50% {
      transform: translateY(-10px);
   }

   100% {
      transform: translateY(0px);
   }
}

/**-------------------------------------*/
#about-section {
   background-color: var(--secondary-background-color);
   width: 100%;
   display: flex;
   flex-direction: column;
   gap: 50px;


   #about-box {
      display: flex;
      gap: 80px;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;

      #about-content {
         max-width: 700px;
         text-align: justify;

         hr {
            margin: 10px 0px 10px 0px;
            height: 2px;
            background-color: var(--secondary-text-color);
         }

         p {
            color: var(--secondary-text-color);
            line-height: 1.6;
         }

         strong {
            color: var(--primary-text-color);
         }

      }

      #img-profile {
         max-width: 300px;
         min-width: 200px;
         border-radius: 10px;
         box-shadow: 10px 10px 0px rgba(0, 0, 0, 0.5);
      }

   }

   #skills-box {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 20px;

      ul {
         list-style: none;
         display: flex;
         gap: 15px;
         animation: carrosel 50s linear infinite;
         align-self: flex-start;

         /*? Skills */
         li {
            background-color: var(--background-color);
            width: 150px;
            padding: 10px;
            border-radius: 5px;
            font-weight: bold;
            text-align: center;
            transition: 0.1s;

            &:hover {
               background-color: var(--this-bg-color);
               color: var(--this-text-color);
            }
         }
      }

   }
}

@keyframes carrosel {
   from {
      transform: translateX(0px);
   }

   to {
      transform: translateX(-50%);
      /* -1485.5px */
   }
}

/**-------------------------------------*/
#projects-section {
   width: 100%;
   display: flex;
   justify-content: center;
   align-items: center;
   flex-direction: column;
   gap: 40px;

   #projects-box {
      display: flex;
      gap: 20px;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
      user-select: none;
      max-width: 1100px;
      translate: none;

      .project-link {
         width: 300px;
         height: 200px;
         border-radius: 5px;
         overflow: hidden;
         box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.3);
         display: inline-block;
         position: relative;
         background-color: white;
         background-size: contain;
         background-repeat: no-repeat;
         background-position: center;

         .data-board {
            background-color: var(--secondary-background-color);
            color: var(--primary-color);
            width: 100%;
            height: auto;
            border-radius: 5px;
            position: absolute;
            bottom: -100%;
            left: 0px;
            transition: 0.1s ease;
            display: flex;
            flex-direction: column;
            padding: 10px;
            gap: 10px;

            .tag-box {
               display: flex;
               width: auto;
               gap: 10px;
               flex-wrap: wrap;

               span {
                  background-color: var(--primary-color);
                  color: var(--primary-text-color);
                  text-align: center;
                  padding: 3px;
                  border-radius: 50px;
                  width: auto;
                  min-width: 40px;
                  height: auto;
                  font-size: 12px;
                  font-weight: bold;
               }
            }
         }

         .show-data-board {
            bottom: 0%;
         }


         iframe {
            width: 1000px;
            /* tamanho original do conteúdo */
            height: 667px;
            /* proporção 3:2 ou 16:9 */
            border: none;
            pointer-events: none;
            transform: scale(0.3);
            /* reduz proporcionalmente */
            transform-origin: top left;
            /* mantém o canto superior visível */
            position: absolute;
            top: 0;
            left: 0;
         }
      }
   }

   #pages {
      text-align: center;

      display: flex;
      place-content: center;
      user-select: none;

      button {
         background-color: var(--background-color);
         border: none;
         color: var(--primary-color);
         font-weight: bold;
         padding: 10px 15px;
         margin: 0px 5px;
         border-radius: 5px;
         cursor: pointer;
         transition: background-color 0.3s;

         &:hover {
            background-color: #666666;
            color: white;
         }
      }

      #page-numbers button.active {
         background-color: #666666;
         color: white;
      }
   }
}

/**-------------------------------------*/
#contact-section {
   background-color: var(--secondary-background-color);
   width: 100%;
   display: flex;
   flex-direction: column;
   gap: 20px;
   align-items: center;
   justify-content: center;

   p {
      color: var(--secondary-text-color);
   }

   #contact-form {
      display: flex;
      flex-direction: column;
      gap: 15px;
      width: 300px;

      input,
      textarea {
         padding: 10px;
         border: none;
         border-radius: 5px;
         background-color: var(--background-color);
         color: white;
         font-size: 16px;
         resize: vertical;
         transition: 0.1s;
      }

      button {
         padding: 10px;
         border: none;
         width: 100%;
         height: 45px;
         border-radius: 5px;
         background-color: var(--primary-color);
         color: white;
         font-size: 16px;
         font-weight: bold;
         cursor: pointer;
         transition: background-color 0.3s;
         position: relative;
         display: flex;
         align-items: center;
         justify-content: center;
         overflow: hidden;

         &:hover {
            background-color: #0d5880;

            #air-plane {
               right: calc(50% - 15px);
            }

            span {
               transform: translate(440%);
            }
         }

         #air-plane {
            width: 30px;
            position: absolute;
            right: 100%;
            transition: 0.3s;
         }

         span {
            position: absolute;
            transition: 0.3s;
         }

      }
   }

   #social-links {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 30px;
      width: 300px;
      height: 40px;

      a {
         transition: 0.1s;

         img {
            width: 50px;
            height: 50px;
         }

         &:hover {
            scale: 1.2;
         }
      }
   }
}

/*?----------------Media----------------*/

@media (max-width: 768px) {
   #main-section h1 {
      font-size: 30px;
   }

   h2 {
      font-size: 28px;
   }

   p {
      font-size: 14px;
   }

   #contact-section #contact-form {
      width: 90%;
   }

   #projects-section #projects-box .project-link .data-board {
      bottom: 0%;
   }
}