main {
  margin-top: 280px;

  section:first-child {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 570px;

    h1 {
      width: 100%;
      animation: typing 1s steps(10), blink 0.7s step-end infinite alternate;
      white-space: nowrap;
      overflow: hidden;
      border-right: 3px solid;
    }

    @keyframes typing {
      from {
        width: 0;
      }
    }

    @keyframes blink {
      50% {
        border-color: transparent;
      }
    }

    p {
      font-family: "Jura", sans-serif;
    }
  }

  .video {
    margin-top: 123px;
    display: flex;
    justify-content: center;
    position: relative;

    video {
      height: 700px;
      width: 100%;
      object-fit: cover;
      border-radius: 25px;
    }

    .video__content {
      position: absolute;
      color: white;
      display: flex;
      align-items: end;
      height: 100%;
      width: 100%;

      .video__content_inner {
        display: flex;
        justify-content: center;
        backdrop-filter: blur(10px);
        border-bottom-left-radius: 25px;
        border-bottom-right-radius: 25px;
        width: 100%;
        background-color: rgba(0, 0, 0, 0.3);

        div {
          width: 100%;
          margin: 10px 0;
          display: flex;
          align-items: center;
          justify-content: space-between;
        }

        button {
          background: transparent;
          border: 0;
          cursor: pointer;

          &:hover {
            transform: scale(1.1);
          }

          &:active {
            transform: scale(1.2);
          }
        }
      }
    }
  }

  .description {
    display: grid;
    width: 100%;
    margin-top: 150px;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(2, auto);
    grid-gap: 20px;
    align-items: center;

    .notebook {
      grid-column-start: 2;
      grid-column-end: 5;

      img {
        width: 100%;
        margin-bottom: 28px;
      }

      p {
        font-size: 16px;
      }
    }

    .keyboard {
      grid-column-start: 6;
      grid-column-end: 13;

      img {
        width: 100%;
        margin-top: 68px;
      }
    }
  }

  .our-skills {
    margin-top: 150px;

    h2 {
      text-align: center;
    }

    .our-skills-content {
      display: flex;
      margin-top: 100px;

      .our-skills-btn {
        margin: 0 40px;
        background-color: transparent;
        border: 0;
        cursor: pointer;
      }

      .carousel {
        display: flex;
        width: 100%;
        justify-content: center;
        align-items: center;
        gap: 20px;
      }

      p {
        width: 250px;
        background-color: #000;
        border: 0;
        border-radius: 25px;
        height: 50px;
        color: #fff;
        font-size: 24px;
        display: flex;
        justify-content: center;
        align-items: center;
        user-select: none;
        transition: transform 0.2s ease-in-out;

        &:hover {
          transform: scale(1.1);
        }
      }
    }
  }

  .services {
    margin-top: 150px;

    h2 {
      text-align: center;
    }

    .accordion {
      width: 100%;
      text-align: left;
      margin-top: 95px;
      display: flex;
      flex-direction: column;
      gap: 5px;
      user-select: none;

      .first__article {
        background-image: url("../img/background-1.jpg");
      }

      .second__article {
        background-image: url("../img/background-2.jpg");
      }

      .third__article {
        background-image: url("../img/background-3.jpg");
      }

      .fourth__article {
        background-image: url("../img/background-4.jpg");
      }

      article {
        background-color: rgba(0, 0, 0, 0.7);
        background-blend-mode: multiply;
        background-position: center;
        background-size: cover;
        background-repeat: no-repeat;
        color: #fff;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
        border-radius: 25px;

        input[type="radio"] {
          appearance: none;
          position: fixed;

          & ~ div {
            height: 0;
            overflow: hidden;
            transition: height 0.5s ease-in-out;
          }

          &:checked ~ div {
            height: 450px;
          }

          &:checked ~ label {
            cursor: default;
          }
        }

        label {
          padding-top: 25px;
          height: 100px;
          width: 100%;
          text-align: center;
          cursor: pointer;
        }

        div {
          display: flex;
          flex-direction: column;
          justify-content: space-between;
          align-items: center;

          ul {
            width: 100%;
            list-style-type: disc;
            padding: 0 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: start;
            gap: 10px;
          }

          a {
            margin-bottom: 50px;
            padding: 11px 65px;
            background-color: #fff;
            color: #000;
            text-decoration: none;
            cursor: pointer;
            border: 0;
            border-radius: 25px;
            transition: transform 0.1s ease-in-out;

            &:hover {
              transform: scale(1.1);
            }

            &:active {
              transform: translateY(10px);
            }
          }
        }
      }
    }
  }

  .portfolio {
    margin-top: 150px;
    h2 {
      margin-bottom: 95px;
      text-align: center;
    }

    .portfolio__list {
      display: flex;
      flex-direction: column;
      gap: 45px;
      user-select: none;

      hr {
        display: block;
        height: 3px;
        border: 0;
        border-top: 3px solid #e4e0e0;
        margin: 0;
        padding: 0;
      }

      .portfolio__item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 25px;

        div {
          display: flex;
          flex-wrap: wrap;
          gap: 35px;
          align-items: center;
          justify-content: center;
        }

        a {
          font-weight: bold;
          cursor: pointer;
          text-decoration: none;
          color: #000;

          &:hover {
            text-decoration: underline;
            text-underline-offset: 6px;
          }
        }

        p {
          background-color: #000;
          color: #fff;
          padding: 11px 28px;
          display: flex;
          justify-content: center;
          align-items: center;
          border-radius: 25px;
          cursor: default;
        }
      }
    }
  }
}

@media screen and (max-width: 1600px) {
  .notebook {
    grid-row-start: 2;
    grid-column-start: 4 !important;
    grid-column-end: 9 !important;
    text-align: center;

    img {
      margin-bottom: 10px !important;
    }
  }

  .keyboard {
    grid-column-start: 3 !important;
    grid-column-end: 10 !important;
  }
}

@media screen and (max-width: 1250px) {
  .portfolio__item {
    max-width: 800px;
    margin: 0 auto;
    justify-content: center !important;
  }
}

@media screen and (max-width: 750px) {
  main {
    section:first-child {
      width: 310px;
    }
  }

  h1 {
    font-size: 50px !important;
  }

  p,
  a {
    font-size: 16px;
  }

  .carousel-item {
    width: 100% !important;
  }

  input[type="radio"] {
    &:checked ~ div {
      height: 600px;
    }
  }

  .accordion {
    article {
      div {
        ul {
          li {
            font-size: 16px;
          }
        }
      }
    }
  }
}