*{
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    text-decoration: none;
    list-style: none;
    box-sizing: border-box;
}

:root{
    --color-primary: #6c63ff;
    --color-success: #00bf8e; 
    --color-warning: #f7c94b;
    --color-danger: #f75832;
    --color-danger-variant: rgba(247, 88, 66, 0.4); 
    --color-white: #fff; 
    --color-light: rgba(255,255,255,0.7); 
    --color-black: #000; 
    --color-bg: #1f2641;
    --color-bg1: #2e3267; 
    --color-bg2: #424890; 
    
    --container-width-lg: 80%; 
    --container-width-md: 90%; 
    --container-width-sm: 94%; 
    
    --transition: all 400ms ease;
}

body{
    font-family: 'Montserrat', sans-serif;
    line-height: 1.7;
    color: var(--color-white);
    background: var(--color-bg);
}
.container{
    width: var(--container-width-lg);
    margin: 0 auto;

}

section{
    padding: 6rem 0;;
}

section h2{
    text-align: center;
    margin-bottom: 4rem;
}

h1,
h2,
h3,
h4,
h5 {
line-height: 1.2;
}

h1{
    font-size: 2.4rem;
}
h2{
    font-size: 2rem;
}
h3{
    font-size: 1.6rem;
}
h4{
    font-size: 1.3rem;
}

a{
    color: var(--color-white);
}

img{
    width: 100%;
    display: block;
    object-fit: cover;
}

.btn{
    display: inline-block;
    background: var(--color-white);
    color: var(--color-black);
    padding: 1rem 2rem;
    border: 1px solid transparent;
    font-weight: 500;
    transition: var(--transition);
}

.btn:hover{
    background: transparent;
    color: var(--color-warning);
    background-color: var(--color-white);
}

.btn-primary {
    background: var(--color-danger);
    color: var(--color-white);
}

/* ================================== NAVBAR =================================== */

nav{
    background: transparent;
    width: 100vw;
    height: 5rem;
    position: fixed;
    top: 0;
    z-index: 11;
}

.nav__container{
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;

}

nav button {
    display: none;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.nav__menu a {
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav__menu a:hover {
color: var(--color-bg2);
}

/* ================================== HEADER =================================== */

header {
    position: relative;
    top: 5rem;
    overflow: hidden;
    height: 70vh;
    margin-bottom: 5rem;
}

.header__container{
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 5rem;
    height: 100%;
}

.header__left p {
    margin: 1rem 0 2.4rem;
}


/* ================================== CATEGORIES =================================== */

.categories{
    background: var(--color-bg1);
    height: 32rem;
}

.categories h1 {
    line-height: 1;
    margin-bottom: 3rem;
}

.categories__container {
    display: grid;
    grid-template-columns: 40% 60%;
    /* gap: 4rem; */
}
.categories__left{
margin-right: 4rem;
}

.categories__left p {
    margin: 1rem 0 3rem;
}

.categories__right {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.category {
    background: var(--color-bg2);
    padding: 2rem;
    border-radius: 2rem;
    transition: var(--transition) ;
}

.category:hover{
    box-shadow: 0 3rem 3rem rgba(0,0,0,0.3);
    z-index: 1;
}

.category__icon{
    background: var(--color-primary);
    padding: 0.7rem;
    border-radius: 0.9rem;
}

.category h5 {
    margin: 2rem 0 1rem;
}

.category p {
    font-size: 0.85rem;
}

.category:nth-child(2) .category__icon {
background: var(--color-danger);
}
.category:nth-child(3) .category__icon {
background: var(--color-success);
}
.category:nth-child(4) .category__icon {
background: var(--color-warning);
}
.category:nth-child(5) .category__icon {
background: var(--color-success);
}

/* CHANGE NAVBAR STYLES ON SCROLL USING JS */

.window-scroll {
    background: var(--color-primary);
    box-shadow: 0 1rem 2rem rgba(0,0,0,0.2);
}


  /* =================== TOP PROJECT SECTION ============================= */

  .projects {
    margin-top: 12rem;
  }

  .project__container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .project {
    background-color: var(--color-bg1);
    border: 1px solid transparent;
    text-align: center;
    transition: var(--transition);
  }

  .project:hover {
    background: transparent;
    border-color: var(--color-primary);
  }

  .project__info {
    padding: 2rem;
  }
  
  .project__info p {
    margin: 1.2rem 0 2rem;
    font-size: 0.9rem;
  }
  
   /* =================== TESTIMONIAL ============================= */
   
   .testimonial__container{
       overflow-x: hidden;
       position: relative;
       margin-bottom: 5rem;
    }
    
    .testimonial{
        padding-top: 2rem;
    }
    
    .avatar{
        width: 6rem;
        height: 6rem;
        overflow: hidden;
        border-radius: 50%;
    margin: 1rem auto 1rem;
    border: 1rem solid var(--color-bg1);
}

.testimonial__info{
    text-align: center;
}

.testimonial__body{
    background: var(--color-primary);
    padding: 2rem;
    margin-top: 3rem;
    position: relative;
}

.testimonial__body::before{
    content: "";
    width: 3rem;
    height: 3rem;
    display: block;
    background: linear-gradient(
        135deg, 
        transparent, 
        var(--color-primary),
        var(--color-primary));
        position: absolute;
        left: 48.5%;
        top: -1.5rem;
        transform: rotate(45deg);
   }

   /* =================== FOOTER ============================= */
   
   footer{
       background: var(--color-bg1);
       padding-top: 5rem;
       font-size:0.9rem;
    }
    
    .footer__container{
        display: grid;
        grid-template-columns: repeat(4,1fr);
        gap: 5rem;
    }
    
    .footer__container > div h4{
        margin-bottom: 1.2rem;
    }
    
    .footer__1 p {
        margin: 0 0 2rem;
    }
    
    .footer__2 li {
        margin-bottom: 0.7rem;
    }
    
    .footer ul li a:hover {
        text-decoration: underline;
    } 
    
    .footer__3 p {
        margin: 0 0 2rem;
    }
    
    .footer__3 li {
        margin-bottom: 0.7rem;
    }
    
    .footer__3 ul li a:hover {
        text-decoration: underline;
    } 
    
    .footer__socials{
        display: flex;
        gap: 1.5rem;
        font-size: 1.2rem;
        margin-top: 1.5rem;
        
    }
    
    .footer__copyright{
        text-align: center;
        margin-top: 4rem;
        padding:1.2rem 0;
        border-top: 1px solid var(--color-bg2);
    }
    
    
    /* ===============================MEDIA QUERIES (TABLET VERSION)============================================== */
    
    @media screen and (max-width: 1024px) {
        
        .container{
            width: var(--container-width-md);
        }
        h1{
            font-size: 2.2rem;
        }
        h2{
            font-size: 1.7rem;
        }
        h3{
            font-size: 1.4rem ;
        }
        h4{
            font-size: 1.2rem;
        }
        
        /* =============================NAVBAR================================================ */
        
        nav button {
            display: inline-block;
            background: transparent;
            font-size: 1.8rem;
            color: var(--color-white);
            cursor: pointer;
        }
        
        nav button#close-menu-button {
            display: none;
        }
        
        .nav__menu{
            position: fixed;
            top: 5rem;
            right: 5%;
            width: 18rem;
            height: fit-content;
            flex-direction: column;
            gap: 0;
            display: none;
        }
        
        .nav__menu li {
            width: 100%;
            height: 5.8rem;
        }
        
        .nav__menu li a {
            background: var(--color-primary);
            box-shadow: -4rem 6rem 10rem rgba(0, 0, 0, 0.6);
            width: 100%;
            height: 100%;
            display: grid;
            place-items: center;
        }
        
        .nav__menu li a:hover {
            background: var(--color-bg2);
            color: var(--color-white);
        }


        /* =============================HEADER================================================ */
        header{
            height: 52vh;
            margin-bottom: 3rem;
        }
        .header__container {
            gap: 0;
            padding-bottom: 3rem;
        }
        
        /* =============================CATEGORY================================================ */
        
        .categories {
            height: auto;
        }
        
        .categories__container {
            grid-template-columns: 1fr;
            gap: 3rem;
        }
        .categories__left{
            margin-left: 0;
        }
        
        /*========================== TOP PROJECT SECTION =============================== */
        
        .projects{
            margin-top: 0;
        }
        
        .project__container{
            grid-template-columns: 1fr 1fr;
        }
        
        /*========================== FOOTER SECTION =============================== */
        
        .footer__container{
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }
        
        
    }
    
    
          /* ===============================MEDIA QUERIES (MOBILE VERSION)============================================== */

          @media screen and (max-width: 600px) {
              
                .container {
                    width: var(--container-width-sm);
                } 
                
                
                /* =============================NAVBAR================================================ */
                .nav__menu{
                    right: 3%;
                }
                /* =============================HEADER================================================ */
                header{
                    height: 100vh;
                }
                
                .header__container {
                    grid-template-columns: 1fr;
                    text-align: center;
                    margin-top: 0;
                }
                
                .header__left p {
                    margin-bottom: 1.3rem;
                }
                
                /* =============================CATEGORIES================================================ */
                
                .categories__right {
                    grid-template-columns: 1fr 1fr;
                    gap: 0.7rem;
                }
                
            .category {
                padding: 1rem;
                border-radius: 1rem;
            }
            
            /* ============================= TOP PROJECT SECTION ================================================ */
            
            .project__container{
                grid-template-columns: 1fr;
            }
            
            /* =================== TESTIMONIAL ============================= */
            
            .testimonial__body{
                padding: 1.2rem; 
            }
            .testimonial__container{
                padding-top: 0rem;
            }
            .testimonial{
                padding-top: 0rem;
            }
            
            /* =================== FOOTER ============================= */
            .footer__container{
                grid-template-columns: 1fr;
                text-align: center;
                gap: 2rem;
            }
            
            .footer__1 p {
                margin: 1rem auto;
            }
             
            .footer__socials{
                justify-content: center;
            }
            
            
            
        }