body {
  /* background: #fff0e5; */
  margin: 0;
}

.circle-box {
  background-color: rgba(10, 25, 35, 0.5);
  border-radius: 50%;
  aspect-ratio: 1 / 1;
  max-width: 500px;
  min-width: 300px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: centers;
}

.circle-content {
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  text-align: start;
}

.text-yellow {
  color: #F8D116;
}

.text-white {
  color: #FFFFFF;
}

.small {
  font-size: 2rem;
}

.large {
  font-size: 3.8rem;
}

.about_me {
  padding: 120px 0 0 120px;
}

.about_me_imgages {
  display: flex;
  justify-content: center;
  align-items: center;
} .about_me_imgages img {
  width: 100%; 
}

.description_about_me {
  padding: 45px 0px 45px 0px;
} 

.certyfikat {
  width: 60%; 
  margin: auto;
  padding-top: 40px;
  padding-bottom: 130px;
}

.bi {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  vertical-align: -.125em;
  fill: currentColor;
}

.sidebar {
  font-size: 20px;
  font-weight: 400;
  min-width: 100%;
  max-height: max-content;
}

.navbar {
   background-color: rgba(36, 35, 35, 0.85);
}

.navbar-brand {
  margin: auto;
  padding: 0;
  color: #FFEAA7;
  font-size: 2rem;
}


.nav-scroller {
  position: relative;
  z-index: 2;
  height: 2.75rem;
  overflow-y: hidden;
}

.nav-scroller .nav {
  display: flex;
  flex-wrap: nowrap;
  padding-bottom: 1rem;
  margin-top: -1px;
  overflow-x: auto;
  text-align: center;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}


.nav-link {
  position: relative;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background-color: #FFEAA7;
  transition: width 0.4s ease;
}

.nav-link:hover {
  color: #FFEAA7 !important; /* <- to dodaj */
}

.nav-link:hover::after {
  width: 100%;
}




.btn-bd-primary {
  --bd-violet-bg: #712cf9;
  --bd-violet-rgb: 112.520718, 44.062154, 249.437846;

  --bs-btn-font-weight: 600;
  --bs-btn-color: var(--bs-white);
  --bs-btn-bg: var(--bd-violet-bg);
  --bs-btn-border-color: var(--bd-violet-bg);
  --bs-btn-hover-color: var(--bs-white);
  --bs-btn-hover-bg: #6528e0;
  --bs-btn-hover-border-color: #6528e0;
  --bs-btn-focus-shadow-rgb: var(--bd-violet-rgb);
  --bs-btn-active-color: var(--bs-btn-hover-color);
  --bs-btn-active-bg: #5a23c8;
  --bs-btn-active-border-color: #5a23c8;
}

.dev-stack_main {
  background: #34444c;
}

.dev-stack_content {
  padding-top: 150px;
  padding-bottom: 60px;
}

.card {
  justify-content: center;
  align-items: center;
  background: inherit;
  border: none;
  color: #ffffff;
  font-size: 0.5rem;
}

.card-body {
  justify-content: center;
  align-items: center;
  text-align: center;
}
/*
.card1 {
  background: #eafdc6; 
}
.card2 {
  background: antiquewhite; 
}
.card3 {
  background: #bbf5ff; 
}


.card img {
  padding-top: 15px;
  padding-bottom: 15px;
}


.card-up {
  border-radius: 7px;
  text-align: center;
}
*/


.main_section {
  width: 70%;
  justify-content: center;
  margin: auto;
}


.parallax {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    text-align: left;
}

.parallax .background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.parallax.section-1 .background {
    background-image: url('/static/media/coding_desktop.png');
}

.bd-placeholder-img {
  font-size: 1.125rem;
  text-anchor: middle;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

@media (min-width: 768px) {
  .bd-placeholder-img-lg {
    font-size: 3.5rem;
  }
}

.b-example-divider {
  width: 100%;
  height: 3rem;
  background-color: rgba(0, 0, 0, .1);
  border: solid rgba(0, 0, 0, .15);
  border-width: 1px 0;
  box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
}

.b-example-vr {
  flex-shrink: 0;
  width: 1.5rem;
  height: 100vh;
}

.bi {
  vertical-align: -.125em;
  fill: currentColor;
}

.btn-toggle {
  padding: .25rem .5rem;
  font-weight: 600;
  color: var(--bs-emphasis-color);
  background-color: transparent;
}
.btn-toggle:hover,
.btn-toggle:focus {
  color: rgba(var(--bs-emphasis-color-rgb), .85);
  background-color: var(--bs-tertiary-bg);
}

.btn-toggle::before {
  width: 1.25em;
  line-height: 0;
  content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%280,0,0,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
  transition: transform .35s ease;
  transform-origin: .5em 50%;
}

[data-bs-theme="dark"] .btn-toggle::before {
  content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%28255,255,255,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
}

.btn-toggle[aria-expanded="true"] {
  color: rgba(var(--bs-emphasis-color-rgb), .85);
}
.btn-toggle[aria-expanded="true"]::before {
  transform: rotate(90deg);
}

.btn-toggle-nav a {
  padding: .1875rem .5rem;
  margin-top: .125rem;
  margin-left: 1.25rem;
}
.btn-toggle-nav a:hover,
.btn-toggle-nav a:focus {
  background-color: var(--bs-tertiary-bg);
}









/*------------------------------------------------------------------*/
/*	03) PRELOADER
/*------------------------------------------------------------------*/
#preloader{
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  width: 100%;
  z-index: 99999;
  display: flex;
}
#preloader:before,
#preloader:after{
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 50%;
  height: 100%;
  z-index: -1;
  background-color: #000000;
  -webkit-transition: all 0.3s ease 0s;
  -o-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}
#preloader:after{
  left: auto;
  right: 0;
}
#preloader .loader_line{
  margin: auto;
  width: 1px;
  height: 250px;
  position: relative;
  overflow: hidden;
  -webkit-transition: all 0.8s ease 0s;
  -o-transition: all 0.8s ease 0s;
  transition: all 0.8s ease 0s;
}
.loader_line:before{
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 0%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -o-transform: translateY(-50%);
  transform: translateY(-50%);
  background-color: #F8D116;
  -webkit-animation: lineheight 1000ms ease-in-out 0s forwards;
  -o-animation: lineheight 1000ms ease-in-out 0s forwards;
  animation: lineheight 1000ms ease-in-out 0s forwards;
}
.loader_line:after{
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 100%;
  background-color: #999999;
  -webkit-transform: translateY(-100%);
  -ms-transform: translateY(-100%);
  -o-transform: translateY(-100%);
  transform: translateY(-100%);
  -webkit-animation: lineround 1200ms linear 0s infinite;
  -o-animation: lineround 1200ms linear 0s infinite;
  animation: lineround 1200ms linear 0s infinite;
  animation-delay: 2000ms;
}

@keyframes lineheight{
  0%{
      height: 0%;
  }
  100%{
      height: 100%;
  }
}

@keyframes lineround{
  0%{
      -webkit-transform: translateY(-100%);
      -ms-transform: translateY(-100%);
      -o-transform: translateY(-100%);
      transform: translateY(-100%);
  }
  100%{
      -webkit-transform: translateY(200%);
      -ms-transform: translateY(200%);
      -o-transform: translateY(200%);
      transform: translateY(200%);
  }
}
.preloaded .loader_line:after{
  opacity: 0;
}
.preloaded  .loader_line{
  opacity: 0;
  height: 100%!important;
}
.preloaded:before,
.preloaded:after{
  -webkit-animation: preloadedzero 300ms ease-in-out 500ms forwards;
  -o-animation: preloadedzero 300ms ease-in-out 500ms forwards;
  animation: preloadedzero 300ms ease-in-out 500ms forwards;
}
@keyframes preloadedzero{
  0%{
      width: 50%;
  }
  100%{
      width: 0%;
  }
}


/* CUSTOMIZE THE CAROUSEL
-------------------------------------------------- */

/* Carousel base class */
.carousel {
  margin-bottom: 4rem;
}
/* Since positioning the image, we need to help out the caption */
.carousel-caption {
  bottom: 3rem;
  z-index: 10;
}

/* Declare heights because of positioning of img element */
.carousel-item {
  height: 32rem;
}


/* MARKETING CONTENT
-------------------------------------------------- */

.marketing .col-lg-4 {
  margin-bottom: 1.5rem;
  text-align: center;
}

.marketing .col-lg-4 p {
  margin-right: .75rem;
  margin-left: .75rem;
}


/* Thin out the marketing headings */
/* rtl:begin:remove */




/* RESPONSIVE CSS
-------------------------------------------------- */

@media (min-width: 40em) {
  /* Bump up size of carousel content */
  .carousel-caption p {
    margin-bottom: 1.25rem;
    font-size: 1.25rem;
    line-height: 1.4;
  }

  .description_about_me-heading {
    font-size: 50px;
  }
}

@media (min-width: 62em) {
  .description_about_me-heading {
    margin-top: 7rem;
  }
}



/*------------------------------------------------------------------*/
/*	05) Fixed Social Icons
/*------------------------------------------------------------------*/


.portfolio_social_links{
	position: fixed;
	right: 40px;
	z-index:19;
	top: 50%;
	transform: translateY(-50%);
    -webkit-transition: all .5s ease;
    -moz-transition: all .5s ease;
    -ms-transition: all .5s ease;
    -o-transition: all .5s ease;
    transition: all .5s ease;
}
.portfolio_social_links.animate{
	transform: translateY(-50%) translateX(-30px) translateZ(0);
}
.portfolio_social_links ul{
	margin: 0;
	padding: 0;
	list-style-type: none;
}
.portfolio_social_links li{
	margin: 0;
	padding: 0;
	margin-bottom: 8px;
}
.portfolio_social_links li:last-child{
	margin-bottom: 0;
}
.portfolio_social_links a{
	display: block;
	text-decoration: none;
	margin: 0;
	padding: 0;
	width: 42px;
	height: 42px;
	background-color: var(--main-color);
	position: relative;
	border-radius: 100%;
	color: #fff;
}
.portfolio_social_links .facebook a{background-color: #1877f2;}
.portfolio_social_links .github a{background-color: #1da1f2;}
.portfolio_social_links .linkedin a{background-color: #0077b5;}
.portfolio_social_links .hackerrank a{background-color: #405de6;}
.portfolio_social_links .svg{
  width: 100%; /* Obrazek dopasowuje się do szerokości diva */
  height: auto; /* Proporcjonalne skalowanie */
  max-width: 60%; /* Obrazek zajmuje maksymalnie 80% szerokości diva */
  max-height: 60%; /* Obrazek zajmuje maksymalnie 80% wysokości diva */
  position: absolute; /* Ustawienie dla wyśrodkowania */
  top: 50%; /* Przesunięcie o 50% w pionie */
  left: 50%; /* Przesunięcie o 50% w poziomie */
  transform: translate(-50%, -50%); /* Wyśrodkowanie obrazka */
}
.hackerrank .svg{
  max-width: 85%; /* Obrazek zajmuje maksymalnie 80% szerokości diva */
  max-height: 85%; /* Obrazek zajmuje maksymalnie 80% wysokości diva */
}

.footer_social ul{
	margin: 0;
	padding: 0;
	list-style-type: none;
	display: -webkit-flex;
	display: -moz-flex;
	display: -ms-flex;
	display: -o-flex;
	display: flex;
	-webkit-flex-direction: row;
	-moz-flex-direction: row;
	-ms-flex-direction: row;
	-o-flex-direction: row;
	flex-direction: row;
	-ms-align-items: center;
	align-items: center;
	flex-wrap: wrap;
}
.footer_social li{
	margin: 0 8px 8px 0;
	padding: 0;
}
.footer_social a{
	display: block;
	text-decoration: none;
	margin: 0;
	padding: 0;
	width: 42px;
	height: 42px;
	background-color: var(--main-color);
	position: relative;
	border-radius: 100%;
	color: #fff;
}
.footer_social .facebook a{background-color: #1877f2;}
.footer_social .github a{background-color: #1da1f2;}
.footer_social .linkedin a{background-color: #0077b5;}
.footer_social .hackerrank a{background-color: #405de6;}
.footer_social .svg{
	width: 16px;
	height: 16px;
	position: absolute;
	display: block;
	left: 50%;
	top: 50%;
	margin: -8px 0 0 -8px;
}