:root{
  --dark-color: #2B2B2B;
  --dark-color-links: #151515;
  --blue-color: #146EF5;
  --gray-color: #F0F0F0;
  --red-color: #DF0000;
  --orange-color: #FFBE00;
  --dark-mode-back-color: #212529;
  --input-back-on-dark: #dfdfdf;
  --sun-color: #FDE047;
  --moon-color: #334155;
  --inactive-color-forMoon: #FEF9C3;
  --inactive-color-forSun: #94A3B8;
  --logout-color: #ff4d4d;
}

/* general */

.main-heading{
  position: absolute;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: fit-content;
  color: var(--blue-color);
}

.services .main-heading{
  color: white;
}

.Contact .main-heading{
  top: -70px;
}

@media (min-width: 769px) {
  .Contact .main-heading{
    top: -20px;
  }  
}

.main-heading::after{
  content: "";
  width: 70%;
  height: 2px;
  background-color: var(--blue-color);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.services .main-heading::after{
  background-color: white;
}

/* end general */
body{
  font-family: "Roboto", sans-serif;
}

::-webkit-scrollbar{
  width: 12px;
}

::-webkit-scrollbar-track{
  background-color: #9b9b9bd2;
}

::-webkit-scrollbar-thumb{
  background: rgb(20,110,245);
  background: linear-gradient(180deg, rgba(20,110,245,1) 0%, rgba(186,0,187,1) 100%, rgba(0,49,122,1) 100%);
  border-radius: 13px;
}

.navbar{
  background-color: white;
  border-bottom: 2px solid var(--gray-color);
}

.navbar-nav .nav-link{
  color: var(--dark-color-links);
  transition: .3s;
}

.navbar .navbar-brand img{
  height: 2.5rem;
}

.navbar .navbar-toggler:focus{
  box-shadow: none;
}

.navbar .log-in{
  background-color: var(--blue-color);
  color: white;
  border: 2px solid transparent;
  margin-inline-start: 16px;
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  transition: .3s;
}

#login-btn{
  text-decoration: none;
}

.circle-large{
  height: 22px;
  width: 22px;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  border-left: 2px solid white;
  border-top: 2px solid white;
  border-right: 2px solid transparent;
  border-bottom: 2px solid white;
  transform: rotate(45deg);
  transition: all .3s;
}

.circle-large svg{
  position: absolute;
  font-size: 13px;
  color: white;
  bottom: 7.5px;
  left: 21px;
  transform: translate(-50%, 50%) rotate(-45deg);
}

.circle-mid{
  height: 13px;
  width: 13px;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  border: 2px solid white;
  transform: translate(-50%, -50%);
}

.circle-small{
  background-color: white;
  height: 4px;
  width: 4px;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.navbar .log-in:hover .circle-large{
  top: 44%;
  left: 48.95%;
  transform: rotate(-135deg);
}

.navbar .log-in:hover,
.navbar .log-in:focus{
  background-color: white;
  color: var(--blue-color);
  border: 2px solid var(--blue-color);
}

.navbar .navbar-toggler{
  display: none;
}

/* landing */

body:not(.dark-mode) .stars-div {
  display: none;
}

body.dark-mode .stars-div {
  width: 100%;
  height: 100vh;
  z-index: -1;
  position: absolute;
  top: 0;
}

body.dark-mode .stars-div svg{
  color: rgb(237, 193, 62);
  font-size: 15px;
  position: absolute;
}

body.dark-mode .stars-div svg:nth-child(1){
  top: 12%;
  left: 42%;
  animation: animate 1.3s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(2){
  top: 70%;
  left: 50%;
  animation: animate 1.9s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(3){
  top: 17%;
  left: 6%;
  animation: animate 2.1s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(4){
  top: 20%;
  left: 60%;
  animation: animate 1.3s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(5){
  top: 67%;
  left: 10%;
  animation: animate 1.8s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(6){
  top: 80%;
  left: 70%;
  animation: animate 1.32s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(7){
  top: 60%;
  left: 80%;
  animation: animate 1.35s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(8){
  top: 32%;
  left: 25%;
  animation: animate 1.36s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(9){
  top: 90%;
  left: 25%;
  animation: animate 2.1s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(10){
  top: 20%;
  left: 80%;
  animation: animate 1.7s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(11){
  top: 30%;
  left: 90%;
  animation: animate 1.3s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(12){
  top: 45%;
  left: 64%;
  animation: animate 1.7s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(13){
  top: 60%;
  left: 30%;
  animation: animate 1.9s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(14){
  top: 42%;
  left: 45%;
  animation: animate 2.1s ease-out infinite;
}

body.dark-mode .stars-div svg:nth-child(15){
  top: 10%;
  left: 22%;
  animation: animate 1.5s ease-out infinite;
}


@keyframes animate {
  0%{
    transform: scale(0);
    opacity: 0;
  }
  50%{
    transform: scale(.7);
    opacity: 1;
  }
  100%{
    transform: scale(0);
    opacity: 0;
  }
}

.landing{
  min-height: calc(100vh - 66px);
  z-index: 1;
}

.landing .logo-red{
  color: var(--red-color);
}

.landing .logo-orange{
  color: var(--orange-color);
}

.landing .digitals-size{
  font-size: 1.2rem;
}

.landing .go-to-projects{
  background-color: var(--blue-color);
  color: white;
  border: 2px solid transparent;
  transition: .3s;
}

.landing .go-to-projects:hover,
.landing .go-to-projects:focus{
  background-color: white;
  color: var(--blue-color);
  border: 2px solid var(--blue-color);
}

/* .services */

.services{
  min-height: 100vh;
  background-color: var(--blue-color);
  position: relative;
}

.services .srv-card{
  background-color: white;
  color: var(--blue-color);
  animation: appear linear;
  animation-timeline: view();
  animation-range: entry 0% cover 40%;
  transition: .3s;
}

.services .srv-card:hover,
.services .srv-card:focus{
  scale: 1.05;
  background-color: rgb(245, 245, 245);
}

@media (max-width: 767px) {
  .services .container .srv-card.srv-card-1{
    margin-top: 7rem;
  }

  .services .container .srv-card.srv-card-last{
    margin-bottom: 2rem;
  }
}


.services .srv-card h3{
  color: var(--orange-color);
  text-align: center;
  font-size: 1.5rem;
}

.card{
  border-radius: 15px;
}

/* projects */

.projects{
  position: relative;
}

.projects .container{
  min-height: 100vh;
}

.projects .container .pro-card{
  background-color: var(--blue-color);
  animation: appear linear;
  animation-timeline: view();
  animation-range: entry 0% cover 40%;
  transition: .3s;
}

.projects .pro-card:hover,
.projects .pro-card:focus{
  background-color: #115bc9;
}

.pro-card img{
  height: 13rem;
}

.pro-card h1{
  color: var(--orange-color);
}

.pro-card p{
  color: white;
}

.projects .honey-project{
  text-decoration: none;
}

@media (max-width: 767px) {
  .projects .container .pro-card{
    width: 340px;
  }

  .pro-card img{
    height: 12rem;
  }
}

/* contact us */
.Contact{
  position: relative;
}

.Contact .container{
  min-height: 10vh;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .Contact .container{
    min-height: 100vh;
  }
}

@media (max-width: 767px) {
  .Contact .container{
    margin-top: 0rem;
  }
}

.left-half{
  width: 50%;
  height: 90%;
  position: absolute;
  left: 0;
  bottom: 0;
}

.left-half .my-contact-info{
  margin-left: 8.5rem;
}

@media (max-width: 767px) {

  .contact .container{
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .left-half,.right-half{
    position: relative;
    left: 50%;
    transform: translateX(-50%);
  }

  .left-half a{
    margin-bottom: 2rem;
    align-self: center;
  }
}

.left-half .my-contact-info svg{
  color: var(--blue-color);
}

.left-half .my-contact-info p{
  color: var(--blue-color);
}

.left-half img{
  width: 300px;
  border-radius: 17px;
  margin-left: 40px;
}

@media (max-width: 991px) {

  .left-half .my-contact-info{
    margin-left: 4rem;
  }

  .left-half img{
    margin-left: 0px;
    width: 250px;
  }
}

@media (max-width: 767px) {

  .left-half img{
    margin-left: 0px;
    width: 250px;
    margin-bottom: 50px;
    align-self: center;
  }
}

.right-half{
  width: 50%;
  height: 100%;
  position: absolute;
  right: 0;
}

.right-half img{
  height: 400px;
  position: absolute;
  left: 50%;
  bottom: 50%;
  transform: translate(-50%, 50%);
}

@media (max-width: 991px) {
  .right-half img{
    height: 350px;
  }
} 

@media (max-width: 767px) {
  .right-half{
    position: relative;
    height: 310px;
    bottom: 0;
    margin-bottom: 100px;
  }

  .right-half img{
    height: 300px;
  }
}

footer{
  background-color: var(--blue-color);
  color: white;
  height: 3rem;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 2rem;
}

footer h4{
  font-size: 1.2rem;
  margin-bottom: 0;
}

.Contact .social-media svg{
  color: var(--blue-color);
  font-size: 1.6rem;
  cursor: pointer;
  transition: .3s;
}

.Contact .social-media svg:hover,
.Contact .social-media svg:focus{
  scale: 1.25;
}



 /* key frames */

@keyframes appear {
  from{
    opacity: 0;
    scale: .5;
  }
  to{
    opacity: 1;
    scale: 1;
  }
}

/* dark mode and inactive */

.dark-mode{
  background-color: black;
  color: white;
}

.navbar.dark-mode .nav-link{
  color: white;
}

.navbar.dark-mode{
  border-bottom: none;
  background-color: transparent;
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus{
  color: var(--blue-color);
}

.navbar .log-in:hover .circle-large,
.navbar .log-in:focus .circle-large{
  border-left: 2px solid var(--blue-color);
  border-top: 2px solid var(--blue-color);
  border-right: 2px solid transparent;
  border-bottom: 2px solid var(--blue-color);
}

.navbar .log-in:hover svg,
.navbar .log-in:focus svg{
  color: var(--blue-color);
}

.navbar .log-in:hover .circle-mid,
.navbar .log-in:focus .circle-mid{
  border-color: var(--blue-color);
}

.navbar .log-in:hover .circle-small,
.navbar .log-in:focus .circle-small{
  background-color: var(--blue-color);
}

.navbar.dark-mode .log-in:hover,
.navbar.dark-mode .log-in:focus{
  background-color: black;
  color: var(--blue-color);
  border: 2px solid var(--blue-color);
}

.landing.dark-mode .go-to-projects:hover,
.landing.dark-mode .go-to-projects:focus{
  background-color: black;
}

.landing.dark-mode{
  background-color: transparent;
}

.services.dark-mode{
  background-color: var(--blue-color);
}

.services.dark-mode .main-heading{
  color: var(--dark-color-links);
}

.services.dark-mode .main-heading::after{
  background-color: var(--dark-color-links);
}

.services.dark-mode .srv-card{
  background-color: black;
}

.projects.dark-mode .pro-card p{
  color: var(--dark-color-links);
}

.Contact.dark-mode .right-half form input,
.Contact.dark-mode .right-half form textarea{
  background-color: var(--input-back-on-dark);
}

.Contact.dark-mode .right-half form button:hover,
.Contact.dark-mode .right-half form button:focus{
  background-color: var(--dark-mode-back-color);
}

footer.dark-mode{
  color: var(--dark-color);
  background-color: var(--blue-color);
}

body.dark-mode .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

body.dark-mode  .navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.30);;
}

/* changer to dark mode */

.change-mode{
  background-color: var(--sun-color);
  width: 85px;
  height: 35px;
  border-radius: 50px;
  position: relative;
  cursor: pointer;
  margin-left: 30px;
}

.change-mode-to-d-back {
  background-color: var(--moon-color);
}

.change-mode-to-l-back {
  background-color: var(--sun-color);
}

@media (max-width: 767px) {
  .change-mode{
    margin-left: 0px;
  }
}

.sun-mode {
  position: absolute;
  width: 21px;
  height: 21px;
  color: var(--sun-color);
  padding: 4.5px 5px;
  border-radius: 50%;
  top: 2.7px;
  left: 5px;
  background-color: white;
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: .5s;
  transform: scale(1);
}

.moon-mode {
  position: absolute;
  width: 23px;
  height: 23px;
  padding: 3.5px 4px;
  color: var(--moon-color);
  border-radius: 50%;
  top: 2.7px;
  right: 5px;
  background-color: white;
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: .5s;
  transform: translate(5%, -50%), scale(1);
}

.inactiveS{
  transform: scale(.84);
  background-color: transparent;
  color: var(--inactive-color-forSun);
}

.inactiveM{
  transform: scale(.83);
  background-color: transparent;
  color: var(--inactive-color-forMoon);
}



.go-up{
  position: fixed;
  background-color: var(--dark-color-links);
  bottom: 30px;
  right: 40px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: .3s;
}

.go-up.active{
  opacity: .8;
  bottom: 35px;
}

.go-up svg {
  color: var(--gray-color);
  font-size: 22px;
}

.go-up.dark-mode {
  background-color: var(--gray-color);
}

.go-up.dark-mode.active svg{
  color: var(--dark-color-links);
}

@media (max-width: 767px) {
  .go-up{
    right: 20px;
    width: 37px;
    height: 37px;
  }  

  .go-up svg {
    font-size: 21px;
  }
}

.navbar #user-icon {
  margin-left: 16px;
  font-size: 35px;
  cursor: pointer;
  display: none;
}

.navbar>.container{
  position: relative;
}

.user-details{
  width: 200px;
  background-color: var(--dark-color-links);
  position: absolute;
  top: 75px;
  right: 29.5px;
  border-radius: 12px;
  transition: all .3s;
  transform: scale(0);
}

.logout-btn {
  background-color: var(--logout-color);
  color: white;
  border: none;
  padding: 10px 15px;
  margin: 10px 0 10px 54px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s;
  border: 2px solid transparent;
  transform: scale(0);
}

.logout-btn:hover,
.logout-btn:focus {
  background-color: transparent;
  color: var(--logout-color);
  border: 2px solid var(--logout-color);
}