@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&family=Poppins:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;1,600&display=swap');
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  border: none;
  outline: none;
  scroll-behavior: smooth;
  font-family: 'Poppins', sans-serif;
}
:root {
  --bg-color: #081b29;
  --second-bg-color: #112e42;
  --text-color: #ededed;
  --main-color: #00abf0;
  --transition: 0.75s cubic-bezier(0.2, 0.6, 0, 1);
  --ff-shostkabro: "SHOSTKABRO", sans-serif;
}

html {
  font-size: 62.5%;
  overflow-x: hidden;
}

body {
  background: var(--bg-color);
  color: var(--text-color);
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 2rem 9%;
  background: transparent;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  transition: 0.3s;
}
.header.sticky {
  background: var(--bg-color);
}
.logo {
  font-size: 2.5rem;
  color: var(--text-color);
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  margin-left: 50px;
}
.log__block {
  position: relative;
}
.logo::before {
  content: url('../images/imgico.svg');
  position: absolute;
  top: -10px;
  left: 0;
  width: 13%;
}
/* toggle lang  */
.switch{
  position: relative;
  width: 100px;
  height: 20px;
  border-radius: 25px;
}
.switch input{
  appearance: none;
  width: 100px;
  height: 20px;
  border-radius: 25px;
  background: var(--bg-color);
  outline: none;
}
.switch input::before,
.switch input::after{
  z-index: 2;
  position: absolute;
  top: 60%;
  transform: translateY(-50%);
  font-weight: bolder;
}
.switch input::before{
  content: 'Рус';
  left: 15px;
}
.switch input::after{
  content: 'En';
  right: 15px;
}
.switch input:checked{
  background: var(--main-color);
  height: 20px;
}
.switch label{
  z-index: 1;
  position: absolute;
  top: 3px;
  bottom: 5px;
  height: 16px;
  border-radius: 20px;
}
.switch input{
  transition: .25s;
}
.switch input:checked::after,
.switch input:checked::before{
  color: #fff;
  transition: color .5s;
}
.switch input:checked+label{
  left: 5px;
  right: 45px;
  background: var(--bg-color);
  transition: left .5s, right .4s .2s;
}
.switch input:not(:checked){
  background: var(--bg-color);
  transition: background .4s;
}
.switch input:not(:checked)::before{
  color: #fff;
  transition: color .5s;
}
.switch input:not(:checked)::after{
  color:var(--bg-color);
  transition: color .5s .2s;
}
.switch input:not(:checked)+label{
  left: 45px;
  right: 5px;
  background: var(--main-color);
  transition: left .4s .2s, right .5s, background .35s;
}



.navbar a {
  font-size: 1.7rem;
  color: var(--text-color);
  font-weight: 500;
  margin-left: 3.5rem;
  transition: 0.3s;
  text-align: center;
}
.navbar a:hover,
.navbar a.active {
  color: var(--main-color);
}
#menu-icon {
  font-size: 3.6rem;
  color: var(--text-color);
  cursor: pointer;
  display: none;
}

section {
  min-height: 100vh;
  padding: 10rem 9% 2rem;
}
.home {
  display: flex;
  align-items: center;
  padding: 0 9%;
  background: url('../images/samira-bg2025.png') no-repeat;
  background-size: cover;
  background-position: right;
}
.home-content {
  max-width: 60rem;
  z-index: 99;
  margin-top: 30px;
}
.home-content h1 {
  font-size: 5.6rem;
  font-weight: 700;
  line-height: 1.3;
}
.home-content h1 span {
  color: var(--text-color);
}
.home-content .text-animate {
  position: relative;
  width: 22rem;
}
.home-content .text-animate h3 {
  font-size: 3.2rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 0.7px var(--main-color);
  background-image: linear-gradient(var(--main-color), var(--main-color));
  background-repeat: no-repeat;
  -webkit-background-clip: text;
  background-clip: text;
  background-position: 0 0;
  animation: homeBgText 4s linear infinite;
  animation-delay: 2s;
}
.home-content .text-animate h3::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  border-right: 2px solid var(--main-color);
  z-index: -1;
  animation: homeCursorText 4s linear infinite;
  animation-delay: 2s;
}
.home-content p {
  font-size: 1.6rem;
  margin: 2rem 0 4rem;
}
.btn-box {
  position: relative;
  display: flex;
  justify-content: space-between;
  width: 34.5rem;
  height: 5rem;
}
.btn-box .btn {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 15rem;
  height: 100%;
  background: var(--main-color);
  border: 0.2rem solid var(--main-color);
  border-radius: 0.8rem;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.1rem;
  color: var(--bg-color);
  z-index: 1;
  overflow: hidden;
  transition: 0.5s;
}
.btn-box .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--bg-color);
  z-index: -1;
  transition: 0.5s;
}
.btn-box .btn:hover::before {
  width: 100%;
}
.btn-box .btn:nth-child(2) {
  background: transparent;
  color: var(--main-color);
}
.btn-box .btn:nth-child(2)::before {
  background: var(--main-color);
}
.btn-box .btn:nth-child(2):hover {
  color: var(--bg-color);
}
.btn-box .btn:hover {
  color: var(--main-color);
}

.home-sci {
  position: absolute;
  bottom: 15rem;
  width: 170px;
  display: flex;
  justify-content: space-around;
}
.home-sci a {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 0.2rem solid var(--main-color);
  border-radius: 50%;
  font-size: 20px;
  color: var(--main-color);
  overflow: hidden;
  z-index: 1;
  transition: 0.5s;
}
.home-sci a:hover {
  color: var(--bg-color);
}
.home-sci a::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--main-color);
  z-index: -1;
  transition: 0.5s;
}
.home-sci a:hover::after {
  width: 100%;
}
/* .home-imghover {
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: transparent;
  transition: 0.5s;
} */
.home-imghover:hover {
  background: var(--bg-color);
  opacity: 0.5;
}
/* section about  */
.about {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 2rem;
  background: var(--second-bg-color);
  padding-bottom: 6rem;
}
.heading {
  font-size: 5rem;
  margin-bottom: 3rem;
  text-align: center;
}
span {
  color: var(--main-color);
}
.about-img {
  position: relative;
  width: 25rem;
  height: 25rem;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.about-img img {
  width: 90%;
  border-radius: 50%;
  border: 0.2rem solid var(--main-color);
}
.about-img .circle-spin {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(0);
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border-top: 0.2rem solid var(--second-bg-color);
  border-bottom: 0.2rem solid var(--second-bg-color);
  border-left: 0.2rem solid var(--main-color);
  border-right: 0.2rem solid var(--main-color);
  animation: aboutSpinner 8s linear infinite;
}
.about-content {
  text-align: center;
}
.about-content h3 {
  font-size: 2.6rem;
}
.about-content p {
  font-size: 1.6rem;
  margin: 2rem 0 3rem;
  color: #d6d6d6;
}
.btn-box.btns {
  display: inline-block;
  width: 15rem;
}
.btn-box.btns a::before {
  background: var(--second-bg-color);
}

/* education section  */
.education {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  min-height: auto;
  padding-bottom: 5rem;
}
.education .education-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5rem;
}
.education-row .education-column {
  flex: 1 1 40rem;
}
.education-column .title {
  font-size: 2.5rem;
  margin: 0 0 1.5rem 2rem;
}
.education-column .education-box {
  border-left: 0.2rem solid var(--main-color);
}
.education-box .education-content {
  position: relative;
  padding-left: 2rem;
}
.education-box .education-content::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -1.1rem;
  width: 2rem;
  height: 2rem;
  background: var(--main-color);
  border-radius: 50%;
}
.education-content .content {
  position: relative;
  padding: 1.5rem;
  border: 0.2rem solid var(--main-color);
  border-radius: 0.6rem;
  margin-bottom: 2rem;
  overflow: hidden;
}
.education-content .content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--second-bg-color);
  z-index: -1;
  transition: 0.5s;
}
.education-content .content:hover::before {
  width: 100%;
}
.education-content .content .year {
  font-size: 1.5rem;
  color: var(--main-color);
  padding-bottom: 0.5rem;
}
.education-content .content .year i {
  padding-right: 0.5rem;
}
.education-content .content h3 {
  font-size: 2rem;
}
.education-content .content p {
  font-size: 1.6rem;
  padding-top: 0.5rem;
}

/* portfolio section  */
.portfolio {
  min-height: auto;
  background: var(--second-bg-color);
  padding-bottom: 7rem;
  overflow: hidden;
}
.slider {
  height: 100%;
  /* transform: rotate(13deg); */
  overflow: visible;
  /* top: 10vh; */
}
.slider__wrapper {
  transition: var(--transition) !important;
  will-change: transform;
}
.slider__item {
  max-height: 75vh;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 0.2rem solid #ededed;
}
.slider__img {
  width: 100%;
  height: 100%;
  transition: var(--transition) !important;
  will-change: transform;
}
.fullscreen-image {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.fullscreen-image img {
  max-width: 90%;
  max-height: 90%;
}

/* contact section  */
.contact {
  min-height: auto;
  padding-bottom: 7rem;
}
.contact form {
  max-width: 70rem;
  margin: 0 auto;
  text-align: center;
}
.contact form .input-box {
  position: relative;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.contact form .input-box .input-field {
  position: relative;
  width: 49%;
  margin: 0.8rem 0;
}
.contact form .input-box .input-field input,
.contact form .textarea-field textarea {
  width: 100%;
  height: 100%;
  padding: 1.5rem;
  font-size: 1.6rem;
  color: var(--text-color);
  background: transparent;
  border-radius: 0.6rem;
  border: 0.2rem solid var(--main-color);
}
.contact form .input-box .input-field input::placeholder,
.contact form .textarea-field textarea::placeholder {
  color: var(--text-color);
}
.contact form .focus {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--second-bg-color);
  border-radius: 0.6rem;
  z-index: -1;
  transition: 0.5s;
}
.contact form .input-box .input-field input:focus ~ .focus,
.contact form .input-box .input-field input:valid ~ .focus,
.contact form .textarea-field textarea:focus ~ .focus,
.contact form .textarea-field textarea:valid ~ .focus {
  width: 100%;
}
.contact form .textarea-field {
  position: relative;
  margin: 0.8rem 0 2.7rem;
  display: flex;
}
.contact form .textarea-field textarea {
  resize: none;
}
.contact form .btn-box.btns .btn {
  cursor: pointer;
}

/* footer section  */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 2rem 9%;
  background: var(--second-bg-color);
}
.footer-text {
  font-size: 1.6rem;
}
.footer__icon-top a {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.8rem;
  background: var(--main-color);
  border: 0.2rem solid var(--main-color);
  border-radius: 0.6rem;
  z-index: 1;
  overflow: hidden;
}
.footer__icon-top a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--second-bg-color);
  z-index: -1;
  transition: 0.5s;
}
.footer__icon-top a:hover::before {
  width: 100%;
}
.footer__icon-top a i {
  font-size: 2.4rem;
  color: var(--bg-color);
  transition: 0.5s;
}
.footer__icon-top a:hover i {
  color: var(--main-color);
}

/* breakpoints  */
@media (max-width: 1200px) {
  html {
    font-size: 55%;
  }
}
@media (max-width: 1100px) {
  .header {
    padding: 2rem 4%;
  }
  section {
    padding: 10rem 4% 2rem;
  }
  .home {
    padding: 0 4%;
  }
  .footer {
    padding: 2rem 4%;
  }
}
@media (max-width: 1000px) {
  .header {
    background: var(--bg-color);
    justify-content:flex-start;
  }
  .switch{
    margin-left: auto;
  }
  #menu-icon {
    display: block;
  }
  .navbar {
    position: absolute;
    top: 100%;
    left: -100%;
    width: 100%;
    padding: 1rem 4%;
    background: var(--main-color);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
    z-index: 1;
    transition: 0.25s ease;
    transition-delay: 0.2s;
  }
  .navbar.active {
    left: 0;
    transition-delay: 0s;
  }
  .navbar .active-nav {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    border-top: 0.1rem solid rgba(0, 0, 0, 0.2);
    z-index: -1;
    transition: 0.25s ease;
    transition-delay: 0s;
  }
  .navbar.active .active-nav {
    left: 0;
    transition-delay: 0.25s;
  }
  .navbar a {
    display: block;
    font-size: 2rem;
    margin: 3rem 0;
    transform: translateX(-20rem);
    transition: 0.25s ease;
    transition-delay: 0s;
  }
  .navbar.active a {
    transform: translateX(0);
    transition-delay: 0.25s;
  }
  .home-imghover {
    pointer-events: none;
    /* background: var(--bg-color); */
    opacity: 0.6;
  }
  .home-content p {
    width: 330px;
  }
  .home-content h1{
    font-size: 5rem;
  }
  .logo{
    font-size: 3.5rem;
  }
}
@media (max-width: 520px) {
  html {
    font-size: 50%;
  }

  .home{
    justify-content: center;
    background: none;
  }
  .home-content{
    display: flex;
    align-items: center;
    flex-direction: column;
    text-align: center;
  }
  .home-content h1{
    display: flex;
    flex-direction: column;
    font-size: 32px;
  }
  
  .home-sci{
    width: 160px;
    bottom: 1rem;
  }
  .home-sci a{
    width: 38px;
    height: 38px;
  }

  .log__block{
    display: none;
  }
  .switch::before{
    content: url('../images/imgico.svg');
    position: absolute;
    top: -10px;
    left: -50px;
    width: 30%;
  }
  .switch{
    margin-left: 70px;
    margin-right: auto;
  }
  

}
@media (max-width: 410px){
    .logo{
        font-size: 2.5rem;
        
    }
    .home-content h1{
        font-size: 5.2rem;
    }
    .home-content p{
      width: 260px;
    }
    .btn-box{
      width: 31.5rem;
      margin-bottom: 30px;
    }
    
  
    .education{
        padding: 10rem 4% 5rem 5%;
    }
    .contact form .input-box .input-field{
        width: 100%;
    }
    .footer{
        flex-direction: column-reverse;
    }
    .footer p{
        margin-top: 2rem;
        text-align: center;
    }
}

/* keyframes animation  */
@keyframes homeBgText{
  0%,10%,100% {
    background-position: -22.5rem;
  }
  65%,85% {
    background-position: 0 0;
  }
}

@keyframes homeCursorText{
  0%,10%,100% {
    width: 0;
  }
  65%,78%,85% {
    width: 100%;
    opacity: 1;
  }
  78%,81% {
    opacity: 0;
  }
}
@keyframes aboutSpinner {
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.author {
   font-family: var(--ff-shostkabro);
}