:root {
    --primary-color: hsl(214, 84%, 56%);
    --text-color: hsl(0, 0%, 100%);
    --bg-color: hsl(0, 0%, 15%);
    --bg-card-color: hsl(0, 0%, 20%);
    --border-radius: 0.4em;
    --transition: color 0.1s, background-color 0.2s ease-in-out;
    --skills-bar-length: 0%;
  }
  
  * {
    box-sizing: border-box;
  }
  
  a {
    color: var(--primary-color);
    text-decoration: none;
  }
  
  img {
    max-width: 100%;
    display: block;
  }
  
  body {
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
    font-family: sans-serif;
  }
  
  body.dark {
    --text-color: hsl(0, 0%, 15%);
    --bg-color: hsl(0, 0%, 90%);
    --bg-card-color: hsl(0, 0%, 98%);
  }
  
  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
    padding: 0 1.5em;
    background-color: var(--bg-card-color);
    transition: var(--transition);
  }
  
  .switches {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .toggle-theme {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }
  
  .toggle-theme__icon {
    margin-right: 0.5em;
    width: 20px;
  }
  
  .toggle-theme__text {
    font-size: 0.8rem;
  }
  .home-link { 
    display: inline-block;
    margin-right: 10px; 
  }
  
  .home-icon {
    width: 28px;
    height: 24px;
    vertical-align: middle; 
  }
  
  .flags {
    width: 75px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .flags__item {
    width: 30px;
  }
  
  .flags__img {
    display: block;
    cursor: pointer;
  }
  
  .colors {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 20px;
    width: 100px;
  }
  
  .colors__item {
    width: 20px;
    height: 20px;
    border: 1px solid var(--text-color);
    background-color: var(--primary-color);
    cursor: pointer;
  }
  
  .colors__item--blue {
    --primary-color: hsl(214, 84%, 56%);
  }
  
  .colors__item--green {
    --primary-color: hsl(150, 84%, 56%);
  }
  
  .colors__item--purple {
    --primary-color: hsl(276, 84%, 56%);
  }
  
  .colors__item--orange {
    --primary-color: hsl(46, 84%, 56%);
  }
  
  .title {
    text-align: center;
    color: var(--primary-color);
    transition: var(--transition);
  }
  
  .main {
    display: grid;
    padding: 2em;
    gap: 0.5em;
  }
  
  @media screen and (min-width: 720px) {
    .main {
      grid-template-columns: min-content 1fr;
    }
  }
  
  .column {
    display: grid;
    gap: 0.5em;
  }
  
  @media screen and (min-width: 720px) {
    .column--right {
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: repeat(3, min-content);
      align-items: start;
    }
  }
  
  .card {
    padding: 1em;
    background-color: var(--bg-card-color);
    border-radius: var(--border-radius);
  }
  
  .card__image-container {
    min-width: 320px;
    border-radius: var(--border-radius);
    overflow: hidden;
  }
  
  .card__header {
    padding: 1em 0;
  }
  
  .card__title {
    margin-bottom: 1em;
    font-size: 1.2rem;
  }
  
  .card__subtitle {
    font-size: 0.9rem;
    opacity: 0.8;
  }
  
  .card__link {
    margin-bottom: 0.5em;
  }
  
  .card__text {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  @media screen and (min-width: 760px) {
    .card--project {
      display: grid;
      grid-template-columns: min-content 1fr;
      grid-column: 1 / -1;
    }
  }
  
  .skills {
    padding: 1em 0;
  }
  
  .skills__header {
    display: flex;
    justify-content: space-between;
    width: 175px;
    margin-left: auto;
  }
  
  .skills__tech {
    margin: 0;
    font-size: 0.8rem;
  }
  
  .skills__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5em;
  }
  
  .skills__bar,
  .skills__bar::after {
    position: relative;
    width: 175px;
    height: 8px;
    background-color: #888;
    border-radius: var(--border-radius);
    overflow: hidden;
  }
  
  .skills__bar::after {
    content: "";
    position: absolute;
    left: -175px;
    background-color: var(--primary-color);
    transition: var(--transition);
    animation: skills-bar-fill 2s ease-in-out forwards;
  }
  
  .skills__bar--10::after {
    --skill-bar-length: 10%;
  }
  
  .skills__bar--20::after {
    --skill-bar-length: 20%;
  }
  .skills__bar--30::after {
    --skill-bar-length: 30%;
  }
  .skills__bar--40::after {
    --skill-bar-length: 40%;
  }
  
  .skills__bar--50::after {
    --skill-bar-length: 50%;
  }
  .skills__bar--60::after {
    --skill-bar-length: 60%;
  }
  .skills__bar--70::after {
    --skill-bar-length: 70%;
  }
  .skills__bar--80::after {
    --skill-bar-length: 80%;
  }
  
  .skills__bar--90::after {
    --skill-bar-length: 90%;
  }
  
  .experience {
    display: flex;
    align-items: start;
    margin-bottom: 1em;
    padding: 1em;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
  }
  
  .experience__image {
    max-width: 15%;
    margin-right: 1em;
  }
  
  .experience__time {
    font-size: 0.8rem;
    margin-bottom: 0.5em;
  }
  
  .experience__job {
    margin: 0;
    margin-bottom: 0.5em;
    color: var(--primary-color);
    transition: var(--transition);
  }
  
  .experience__description {
    font-size: 0.8rem;
    margin-bottom: 1.5em;
  }
  
  .project {
    position: relative;
  }
  
  @media screen and (min-width: 760px) {
    .project {
      margin-left: 2em;
    }
  }
  
  .project__tags {
    display: flex;
    justify-content: space-between;
    margin: 0.5em 0;
    font-size: 0.6rem;
    width: 275px;
  }
  
  @media screen and (min-width: 760px) {
    .project__tags {
      width: 325px;
      font-size: 0.8rem;
    }
  }
  
  .project__tag {
    padding: 0.4em 0.8em;
    border-radius: var(--border-radius);
    background-color: var(--primary-color);
    color: var(--bg-color);
    transition: var(--transition);
  }
  
  .buttons {
    display: flex;
    justify-content: space-between;
    width: 225px;
  }
  
  @media screen and (min-width: 760px) {
    .buttons {
      position: absolute;
      bottom: 1em;
    }
  }
  
  .button {
    width: 100px;
    line-height: 2.5;
    text-align: center;
    border-radius: var(--border-radius);
    transition: var(--transition);
  }
  
  .button--primary {
    background-color: var(--primary-color);
    color: var(--bg-color);
  }
  
  .button--ghost {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
  }
  
  .icon {
    margin-right: 1em;
  }
  
  .no-margin {
    margin: 0;
  }
  
  @keyframes skills-bar-fill {
    to {
      transform: translateX(var(--skill-bar-length));
    }
  }
  

.container-video {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 15px;
    align-items: flex-start;
    padding: 5px 5%;
}
.container-video .video-main {
  background-color: var(--bg-card-color);
    border-radius: 5px;
    padding: 10px;
}
.container-video .video-main video {
    width: 100%;
    border-radius: 5px;
}
.container-video .video-main .title-video {
  color: var(--text-color);
    font-size: 23px;
    padding-top: 15px;
    padding-bottom: 15px;
}
.container-video .video-list::-webkit-scrollbar {
    width: 7px;
}
.container-video .video-list::-webkit-scrollbar-track {
  background-color: var(--bg-card-color);
    border-radius: 50px;
}
.container-video .video-list::-webkit-scrollbar-thumb {
  color: var(--text-color);
    border-radius: 50px;
}
.container-video .video-list {
  background-color: var(--bg-card-color);
    border-radius: 5px;
    height: 520px;
    overflow-y: scroll;
}
.container-video .video-list .vid video {
    width: 100px;
    border-radius: 5px;
}
.container-video .video-list .vid {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: var(--bg-card-color);
    border-radius: 5px;
    margin: 10px;
    padding: 10px;
    border: 1px solid var(--primary-color);
    cursor: pointer;
}
.container-video .video-list .vid:hover {
  background-color: var(--primary-color);
  transition: var(--transition);
}
.container-video .video-list .vid.active {
  background-color: var(--primary-color);
  transition: var(--transition);
  
}
.container-video .video-list .vid.active .title-video {
  color: var(--text-color);
}
.container-video .video-list .vid .title-video {
  color: var(--text-color);
    font-size: 17px;
}

@media (max-width: 991px) {
    .container-video {
        grid-template-columns: 1.5fr 1fr;
        padding: 10px;
    }
}

@media (max-width: 768px) {
    .container-video {
        grid-template-columns: 1fr;
    }
}