* {
    box-sizing: border-box;
    margin: 0;
  }
  
  :root {
    --primary: rgb(37, 90, 87);
    --secondery: rgb(1, 0, 10);
    --accent: rgb(50, 253, 243);
    --text: #fff;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    background: var(--primary);
    font-family: Poppins, sans-serif;
  }
  
  a {
    text-decoration: none;
    color: var(--text);
  }
  
  img {
    width: 100%;
  }

  /* utility classes */
.container {
    padding: 4rem 2rem;
    color: var(--text);
  }
  
  .highlighted {
    color: var(--accent);
  }
  
  .hidden {
    display: none;
  }
  
  .btn {
    background-color: var(--accent);
    color: var(--text);
    padding: 0.5rem 3rem;
    border-radius: 5rem;
    display: inline-block;
    margin-top: 2rem;
    border: 2px solid var(--accent);
  }
  
  .btn:hover {
    background-color: transparent;
    color: var(--accent);
  }


  /* Header style */
.nav {
    background-color: var(--secondery);
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    position: fixed;
    width: 100%;
  }
  
  .logo {
    font-weight: 700;
    font-size: 1.5rem;
  }
  
  .nav-links {
    position: absolute;
    display: flex;
    flex-direction: column;
    top: 50px;
    background-color: var(--secondery);
    width: 100%;
    left: -200%;
    padding: 1rem;
    transition: left 0.5s ease;
  }
  
  .nav-active {
    left: 0;
  }
  
  .nav-item {
    font-size: 0.8rem;
    opacity: 0.7;
    display: block;
    text-align: center;
    margin-bottom: 1rem;
    text-transform: capitalize;
    position: relative;
  }
  
  .nav-item::after {
    content: "";
    display: block;
    width: 100%;
    height: 2px;
    background-color: rgb(56, 56, 56);
    margin-top: 0.5rem;
  }
  
  .nav-item:hover {
    opacity: 1;
  }
  
  .nav-item-active::after {
    background-color: var(--accent);
    opacity: 1;
  }
  
  .toggler .line {
    width: 30px;
    height: 2px;
    display: block;
    background-color: var(--text);
    margin: 5px;
  }


  /* Hero styles */
.hero {
    display: flex;
    flex-direction: column-reverse;
    justify-content: center;
    align-items: center;
    color: var(--text);
  }
  
  .hero-img {
    padding-top: 2rem;
  }
  
  .hero-info {
    text-align: center;
    padding-top: 3rem;
  }
  
  .title {
    font-size: 2.5rem;
  }
  
  .hero-description {
    opacity: 0.7;
  }

  /* About style */
.about {
    color: var(--text);
  }
  
  .about-info {
    padding-top: 2rem;
  }
  
  .description {
    opacity: 0.7;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    line-height: 1.5;
  }
  
  .secondery-title {
    display: inline-block;
    margin-bottom: 1.5rem;
  }
  
  .secondery-title::after {
    content: "";
    display: block;
    width: 100%;
    height: 2px;
    margin-top: 0.5rem;
    background-color: var(--accent);
  }


  /* Services styles */
.services-item {
    background: var(--secondery);
    border-radius: 10px;
    text-align: center;
    padding: 2rem 1rem;
    margin-bottom: 1.5rem;
  }
  
  .services-item i {
    font-size: 4rem;
    color: var(--accent);
    margin-bottom: 2rem;
  }


  /* Projects styles */
.projects-header {
    padding-bottom: 2rem;
  }
  
  .projects-tab-btn {
    background-color: transparent;
    border: 2px solid var(--accent);
    color: var(--text);
    padding: 0.3rem 1.5rem;
    border-radius: 5rem; 
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
  }
  
  .projects-tab-btn-active {
    background-color: var(--accent);
  }
  
  .projects-item {
    margin-bottom: 1rem;
  }
  
  .projects-item img {
    border-radius: 10px;
  }


  /* contact styles */
.contact-info-item {
    display: flex;
  }
  
  .contact-info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--accent);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 0.5rem;
    margin-bottom: 1rem;
    
  }
  
  .contact-form form {
    display: flex;
    flex-direction: column;
  }
  
  input,
  textarea {
    background: var(--secondery);
    border: none;
    border-radius: 10px;
    margin-top: 1rem;
    padding: 0.8rem 1rem;
    color: #f1f0f0;
  }
  
  .footer {
    color: var(--text);
    text-align: center;
    padding: 2rem 0;
  }


  /* Desktop Design */
@media screen and (min-width: 700px) {
    .container {
      padding: 4rem 6rem;
    }
  
    .description {
      font-size: 1rem;
    }
  
    /* grid */
    .grid {
      display: flex;
      gap: 2rem;
      flex-wrap: wrap;
    }
  
    .grid-item {
      width: 30%;
    }
  
    /* nav */
    .nav {
      padding-left: 6rem;
      padding-right: 6rem;
      justify-content: space-between;
      align-items: center;
    }
  
    .toggler {
      display: none;
    }
  
    .nav-links {
      position: static;
      flex-direction: row;
      padding: 0;
      width: auto;
    }
  
    .nav-item {
      margin: 0 0.5rem;
    }
  
    .nav-item::after {
      position: absolute;
      top: 30px;
      margin: 0;
      background: none;
    }
  
    .nav-item-active {
      opacity: 1;
    }
  
    .nav-item-active::after {
      background: var(--accent);
    }
  
    /* hero */
    .hero {
      flex-direction: row;
      justify-content: space-between;
    }
  
    .hero-info {
      text-align: left;
    }
  
    .title {
      font-size: 5rem;
    }
  
    /* About */
    .about {
      display: flex;
      justify-content: space-between;
    }
  
    .about-img {
      width: 40%;
    }
  
    .about-info {
      width: 55%;
    }
  
    /* contact */
    .contact {
      display: flex;
      justify-content: space-between;
    }
  
    .contact-form {
      width: 55%;
    }
  
    .submit-btn {
      font-size: 1.5rem;
    }
  }