style.css

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500&display=swap');
*{
    padding: 0;
    box-sizing: 0;
    margin: 0;
}
html{
    font-size: 10px;
    font-family: 'Montserrat', sans-serif;
}
a{
    text-decoration: none;
}
.container{
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.section-title {
    font-size: 4rem;
    font-weight: 300;
    color: #dbb42c;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: .2rem;
    text-align: center;
}
 .button{
    display: inline-block;
    padding: 10px 30px;
    color: crimson;
    background-color: transparent;
    border: 2px solid crimson;
    border-radius: 50%;
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: .1rem;
    margin-top: 40px;
    margin-bottom: 50px;
    transition: .3s ease;
    transition-property: background-color, color;
} 

.button:hover{
    color: #dbb42c;
    background-color: crimson;
    box-shadow: 0 0.5em 0.5em -0.4em #dbb42c;
    transform: translateY(-0.5em);
    transition: 0.25s;
    cursor: pointer;
} 
img { 
    height: 100%;
    width: 100%;
    background-size: cover;
    object-fit: fill;
}

p{
    color: #dbb42c;
    font-size: 1.4rem;
    margin-top: 5px;
    line-height: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.05rem;
}
.brand h1 span{
    color: crimson;
}



/* hello section */
#hello{
    background-image: url(./img/code.jpg);
    margin: 0 auto;
    background-size: cover;
    background-position: center;
    /* background-repeat: no-repeat; */
    position: relative;
    z-index: 1;
}

#hello::after{
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    background-color: #dbb42c;
    opacity: .7;
    z-index: -1;
}
#hello .hello{
    max-width: 1200px;
    margin: 0 auto;
    padding: 0px 50px;
    justify-content: flex-start;
}
#hello h1{
    display: block;
    width: fit-content;
    font-size: 4rem;
    position: relative;
    color: transparent;
    animation: text_reveal 1s linear forwards;
    animation-delay: 1s;
}
#hello h1:nth-child(1){
    animation-delay: 1s;
}
#hello h1:nth-child(2){
    animation-delay: 2.5s;
}
#hello h1 span{
    position: absolute;
    top: 30px;
    left: -500px;
    height: 100%;
    width: 0;
    background-color: crimson;
    animation: text_reveal_box .5s linear;
    animation-delay: .3s;
}
#hello h1:nth-child(1) span{
    animation-delay: 1s;
}
#hello h1:nth-child(2) span{
    animation-delay: 2s;
}




@keyframes text_reveal_box {
    50%{
        width: 100%;
        left: 0;
    }
    100%{
        width: 0;
        left: 100%;
    }   
}
@keyframes text_reveal {
    100%{
        color: #dbb42c;
    }
    
}

/* Header section */
#header {
	position: fixed;
	z-index: 1000;
	left: 0;
	top: 0;
	width: 100vw;
	height: auto;
}
#header .header {
	min-height: 8vh;
    border-top-left-radius:30px;
    border-bottom-left-radius:30px;
    border-top-right-radius:30px;
    border-bottom-right-radius:30px;
	background-color: rgba(31, 30, 30, 0.24);
	transition: 0.3s ease background-color;
}

element.style {
    background-color: #9d0208;
}
#header .nav-bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
    width: 100%;
	height: 5px;
	max-width: 1300px;
	padding: 0 10px;
}
#header .nav-list ul {
	list-style: none;
	position: absolute;
	background-color: rgb(31, 30, 30);
	width: 100vw;
	height: 100vh;
	left: 100%;
	top: 0;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	z-index: 1;
	overflow-x: hidden;
	transition: 0.5s ease left;
}
#header .nav-list ul.active {
	left: 0%;
}
#header .nav-list ul a {
	font-size: 2.5rem;
	font-weight: 500;
	letter-spacing: 0.2rem;
	text-decoration: none;
	color: white;
	text-transform: uppercase;
	padding: 20px;
	display: block;
}
#header .nav-list ul a::after {
	content: attr(data-after);
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%) scale(0);
	/* color: rgba(240, 248, 255, 0.021); */
	font-size: 13rem;
	letter-spacing: 50px;
	z-index: -1;
	transition: 0.3s ease letter-spacing;
}
#header .nav-list ul li:hover a::after {
	transform: translate(-50%, -50%) scale(1);
	letter-spacing: initial;
}
#header .nav-list ul li:hover a {
	color: crimson;
}
#header .hamburger {
	height: 60px;
	width: 60px;
	display: inline-block;
	border: 3px solid white;
	border-radius: 50%;
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 100;
	cursor: pointer;
	transform: scale(0.8);
	margin-right: 20px;
}
#header .hamburger:after {
	position: absolute;
	content: '';
	height: 100%;
	width: 100%;
	border-radius: 50%;
	border: 3px solid white;
	animation: hamburger_puls 1s ease infinite;
}
#header .hamburger .bar {
	height: 2px;
	width: 30px;
	position: relative;
	background-color: white;
	z-index: -1;
}
#header .hamburger .bar::after,
#header .hamburger .bar::before {
	content: '';
	position: absolute;
	height: 100%;
	width: 100%;
	left: 0;
	background-color: white;
	transition: 0.3s ease;
	transition-property: top, bottom;
}
#header .hamburger .bar::after {
	top: 8px;
}
#header .hamburger .bar::before {
	bottom: 8px;
}
#header .hamburger.active .bar::before {
	bottom: 0;
}
#header .hamburger.active .bar::after {
	top: 0;
}

/* End Header section */

/* Start of Achievements */
 #ach{
    /* background-image: url(./img/henry-be-lc7xcWebECc-unsplash.jpg); */
    background-color: black;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat; 
     position: relative;
}

#ach .ach{
    flex-direction: column;
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 0;

    
}

#ach .ach-header h1{
    margin-bottom: 50px; 
} 

 #ach .all-ach{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
#ach .continer{
    min-height: 100vh;
    width: 90rem;
    display: flex;
    /* align-items: center; */
    justify-content: center;
}

.carousel-control-next,
.carousel-control-prev, .carousel-indicators {
    filter: invert(100%);
}


#ach img {
  flex-basis: 50%;
  height: 70rem;
  overflow: hidden;
  position: relative;
}  
/* End of Achievements */

/* Start of About section */
#about .about{
    flex-direction: column-reverse
    
    
    
    ;
    text-align: center;
    max-width: 100px;
    margin: 0 auto;
    padding: 100px 20px;
}

#about .col-left{
    flex-direction: row;
    width: 250px;
    height: 360px;
}

#about .col-right{
    width: 1000px;
}

#about .col-right h2{
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.2rem;
    margin-bottom: 10px;
    
}
#about .col-right p{
    margin-bottom: 20px;
}
#about .col-left .about-img{
    height: 100%;
    width: 100%;
    position: relative;
    border: 10px solid whitesmoke;
    z-index: 1;
}

#about .col-left .about-img::after{
content: '';
position: absolute;
left: -33px;
top: 19px;
height: 98%;
width: 98%;
border: 7px solid crimson;
z-index: -1;
}

#about{
    background-color: black;
    z-index: -1;
}

/* End of About section */

/* Footer */
#footer {
 background-color: #495057;
}
#footer .footer {
 min-height: 200px;
 flex-direction: column;
 padding-top: 50px;
 padding-bottom: 10px;
}
#footer h1 {
 color: whitesmoke;
 font-weight: 500;
 font-size: 1.8rem;
 letter-spacing: .1rem;
 margin-top: 10px;
 margin-bottom: 10px;
}
#footer .social-icon {
 display: flex;
 margin-bottom: 30px;
}
#footer .social-item {
 height: 50px;
 width: 50px;
 margin: 0 5px;
}

#footer p{
    font-weight: 500;
    color: black;
}
 /* End Footer. */
 /* Media Query For Tablet */
@media only screen and (min-width: 768px){
  .container  {
    font-size: 2.5rem;
    padding: 20px 60px;
  }
  .continer {
    font-size: 2.5rem;
    padding: 20px 60px;
  }
  h1.section-title {
    font-size: 6rem;
  }
  /* Hello */
  #hello h1 {
    font-size: 7rem;
  }
  /*Acheivements Section */
  #ach .carousel {
    flex-basis: 45%;
    margin: 2.5%;
  }
}
 /* End Hero */