:root {
    --green: #27ae60;
    --black: #444;
    --light-color: #777;
    --bg-color: #fff;
    --border: 1rem solid rgba(0, 0, 0, 0.2);
    --box-shadow: 0.4rem 0.4rem 1rem #ccc, 0.4rem 0.4rem 1rem #fff;
    --box-shadow-inset: 0.4rem 0.4rem 1rem #ccc inset,
      0.4rem 0.4rem 1rem #fff inset;
  }
  
  * {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  
    outline: none;
    border: none;
    text-decoration: none;
    transition: 0.2s linear;
  }
  
  html {
    font-size: 62.5%;
    overflow-x: hidden;
    scroll-behavior: smooth;
  }
  
  body {
    background: var(--bg-color);
    padding-left: 30rem;
  }
  
  body.active {
    --black: #fff;
    --light-color: #ddd;
    --bg-color: #222;
    --border: 1rem solid rgba(0, 0, 0, 0.4);
    --box-shadow: 0.4rem 0.4rem 1rem #111, 0.4rem 0.4rem 1rem #333;
    --box-shadow-inset: 0.4rem 0.4rem 1rem #111 inset,
      0.4rem 0.4rem 1rem #fff inset;
  }
  
  section {
    min-height: 100vh;
    padding: 2rem;
  }
  
  .btn {
    margin-top: 1rem;
    display: inline-block;
    padding: 1rem 0.5rem;
    font-size: 1.7rem;
    cursor: pointer;
    background: none;
    color: var(--black);
    box-shadow: var(--box-shadow);
  }
  
  .btn:hover {
    box-shadow: var(--box-shadow-inset);
    color: var(--green);
  }
  
  .header {
    position: fixed;
    top: 0;
    left: 0;
  
    background: var(--bg-color);
    width: 30rem;
    border-right: var(--border);
    height: 100%;
    padding: 2rem;
    text-align: center;
  }
  
  .header .user img {
    margin: 1rem 0;
    border: 1rem solid transparent;
    border-radius: 50%;
    height: 18rem;
    width: 18rem;
    box-shadow: var(--box-shadow);
  }
  
  .header .user h3 {
    color: var(--black);
    font-size: 2.5rem;
  }
  
  .header p {
    font-weight: 700;
  }
  
  .header .user {
    color: var(--green);
    font-size: 1.5rem;
  }


  .header .navbar {
    padding-top: 1rem;
  }
  
  .header .navbar a {
    display: block;
    margin: 1.5rem 0;
    padding: 0.7rem;
    border-radius: 5rem;
    font-size: 2rem;
    box-shadow: var(--box-shadow);
    color: var(--black);
  }
  
  .header .navbar a:hover {
    box-shadow: var(--box-shadow-inset);
  }
  
  #menu-btn {
    position: fixed;
    top: 1.5rem;
    left: 2rem;
    z-index: 1000;
    height: 5rem;
    width: 5rem;
    line-height: 5rem;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    box-shadow: var(--box-shadow);
    text-align: center;
    color: var(--black);
    background: var(--bg-color);
  }
  
  .heading {
    text-align: center;
    font-size: 4rem;
    color: var(--black);
    text-transform: uppercase;
    padding-bottom: 2rem;
  }
  
  .heading span {
    color: var(--green);
    text-transform: uppercase;
  }
  
  #menu-btn:hover {
    color: var(--green);
    box-shadow: var(--box-shadow-inset);
  }
  
  #theme-toggler {
    position: fixed;
    top: 1.5rem;
    right: 2rem;
    z-index: 1000;
    height: 5rem;
    width: 5rem;
    line-height: 5rem;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    box-shadow: var(--box-shadow);
    text-align: center;
    color: var(--black);
    background: var(--bg-color);
  }
  
  #theme-toggler:hover {
    color: var(--green);
    box-shadow: var(--box-shadow-inset);
  }
  
  .home {
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }
  
  .home .content h3 {
    font-size: 7rem;
    color: var(--black);
    line-height: 1.1;
    text-transform: uppercase;
  }
  
  .home .content p {
    font-size: 2rem;
    color: var(--green);
    padding-bottom: 0.5rem;
  }
  
  .home .share {
    top: 10rem;
    border-radius: 0.5rem;
    box-shadow: var(--box-shadow);
    padding: 1rem;
  }
  
  .home .share a {
    height: 5rem;
    width: 5rem;
    line-height: 5rem;
    box-shadow: var(--box-shadow);
    margin: 0.5rem;
    font-size: 2rem;
  }
  
  .home .share a:hover {
    box-shadow: var(--box-shadow-inset);
    color: var(--green);
  }
  
  .about .row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
  }
  
  .about .row .box-container {
    flex: 1 1 40rem; 
     display: flex; 
    gap: 1.5rem;
    flex-wrap: wrap;
  }
  
  .about .row .box-container .box {
    flex: 1 1 18rem;
    text-align: center;
    flex: row wrap;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--box-shadow);
  }
  
  .about .row .box-container .box h3 {
    font-size: 5rem;
    color: var(--black);
    line-height: 1.1;
  }
  
  .about .row .box-container .box p {
    font-size: 1.5rem;
    color: var(--light-color);
    padding: 0.5rem 0;
  }
  
  .about .row .content {
    flex: 1 1 40rem;
  }
  
  .about .row .content h3 {
    font-size: 3.5rem;
    color: var(--black);
    line-height: 1.8;
  }
  
  .about .row .content h3 span {
    color: var(--green);
  }
  
  .about .row .content p {
    font-size: 1.7rem;
    color: var(--light-color);
    line-height: 1.8;
    padding: 1rem 0;
  }
  
  .about .row .progress {
    flex: 1 1 40rem;
  }
  
  .about .row:nth-child(3) {
    padding-top: 8rem;
  }
  
  .about .row .progress h3 {
    color: var(--black);
    font-weight: normal;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .about .row .progress .bar {
    box-shadow: var(--box-shadow);
    border-radius: 5rem;
    height: 2rem;
    padding: 0.3rem;
    margin: 1rem 0;
  }
  
  .services .box-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
    gap: 2rem;
  }
  
  .services .box-container .box {
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--box-shadow);
  
    overflow: hidden;
  }
  
  .services .box-container .box img {
    font-size: 4rem;
    padding-bottom: 5rem;
    color: #fff;
  }
  
  .services .box-container .box h3 {
    font-size: 2rem;
    padding-bottom: 1rem;
    color: var(--black);
  }
  
  .services .box-container .box p {
    font-size: 1.4rem;
    line-height: 1.8;
    color: var(--light-color);
  }
  
  .services .box-container .box::before {
    content: "";
    position: relative;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: var(--green);
    z-index: -2;
    clip-path: circle(9rem at 0% 5%);
    transition: 0.3s linear;
  }
  
  .services .box-container .box:hover::before {
    clip-path: circle(100%);
  }
  
  .services .box-container .box:hover > * {
    color: #27ae60;
  }
  
  .portfolio .box-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(27rem, 1fr));
    gap: 2rem;
  }
  
  .portfolio .box-container h1 {
    color: var(--light-color);
  }
  
  .portfolio .box-container .box {
    height: 25rem;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    position: relative;
    border: 1rem solid transparent;
    text-align: center;
  }
  
  .portfolio .box-container .box img {
    height: 100%;
    width: 100%;
    object-fit: contain;
  }
  
  .portfolio .box-container .box .content {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: var(--bg-color);
    display: grid;
    place-items: center;
    transform: scale(0);
  }
  
  .portfolio .box-container .box:hover .content {
    transform: scale(1);
  }
  
  .portfolio .box-container .box .content a {
    font-size: 2.5rem;
    color: var(--black);
    transform: translateY(-2rem);
    opacity: 5;
    transition-delay: 4s;
    /* text-align: center; */
    font-weight: 600;
  }
  
  .portfolio .box-container .box:hover .content a {
    transform: translateY(0rem);
    opacity: 0;
  }
  
  .certificate .box-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(27rem, 1fr));
    border-bottom: 2rem;
    gap: 2rem;
  }
  
  .certificate .box-container .box {
    height: 50rem;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    border-bottom: 1rem solid transparent;
    object-fit: contain;
  }
  
  .certificate .box-container .box img {
    height: 100%;
    width: 100%;
    object-fit: contain;
  }
  
  .certificate .box-container .box .content {
    font-size: 1.8rem;
    color: var(--black);
    opacity: 5;
    transition-delay: .2s;
    text-align: center;
  }
  
  .certificate .box-container .box:hover h3 {
    transform: translateY(-8rem);
    padding: 8px;
    opacity: 10;
  }
  
  .contact form {
    margin: 1rem auto;
    max-width: 70rem;
    border-radius: 0.5rem;
    box-shadow: var(--box-shadow);
    padding: 2rem;
    transition: all 50s;
  }
  
  .contact form .box {
    padding: 1.5rem 1rem;
    width: 100%;
    background: none;
    color: var(--black);
    font-size: 1.6rem;
    text-transform: none;
    margin: 0.7rem 0;
    box-shadow: var(--box-shadow);
    border-radius: 0.5rem;
  }
  
  .contact form textarea {
    height: 20rem;
    resize: none;
  }
  
  .credits {
    font-size: 2rem;
    text-align: center;
    padding: 2.5rem 1rem;
    margin-top: 1rem;
    border-top: var(--border);
    color: var(--black);
  }
  
  .credits span {
    color: var(--green);
  }
  
  .contact form .box:focus {
    box-shadow: var(--box-shadow-inset);
    background-color: rgb(194, 179, 179);
  }
  
  .about .row .content {
    flex: 1 1 40rem;
  }
  
  @media (width <= 991px) {
    html {
      font-size: 55%;
    }
  
    body {
      padding-left: 0;
    }
  
    .header {
      left: -110%;
    }
  
    .header.active {
      left: 0%;
      transition: 0.4s linear;
    }
  
    #menu-btn {
      display: initial;
    }
  }
  
  @media (width <= 450px) {
    html {
      font-size: 50%;
    }
  
    .header {
      width: 100%;
      border-right: 0;
    }
  }