/* Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,300&display=swap");
:root {
  --neon-blue: #2272ff;
  --black: #1d1d1d;
  --white: #fdfdfd;
  --dark-gray: #363636;
  --light-blue: #7f8fa6;
  --red: #e84118;
}
html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: 8rem;
  /* For desktop media */
  font-size: 65%;
}
::-webkit-scrollbar {
  height: 0.5rem;
  width: 1rem;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background-color: var(--neon-blue);
  border-radius: 5rem;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  border: none;
  outline: none;
  font-family: "Montserrat", sans-serif;
  text-transform: capitalize;
}
*::selection {
  background-color: var(--neon-blue);
  color: white;
}

body {
  position: relative;
  background: var(--black);
  color: var(--white);
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--dark-gray);
}
section {
  margin: 4rem 10rem;
}
img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.btn {
  margin: 3rem 0 0;
  font-size: 1.6rem;
  font-weight: 500;
  text-transform: uppercase;
  padding: 0.9rem 3rem;
  text-align: center;
  border-radius: 2rem;
  cursor: pointer;
  background-color: var(--white);
  color: var(--black);
  transition: 0.6s;
}
.btn a {
  color: var(--black);
}
.btn:hover {
  background-color: var(--neon-blue);
  color: var(--white);
}
.header {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  color: var(--white);
  font-size: 2rem;
  letter-spacing: 0.2rem;
  font-weight: 500;
}
.logo i {
  color: var(--red);
}

.navbar a {
  margin-right: 1.5rem;
  color: var(--white);
  font-size: 1.5rem;
  letter-spacing: 0.2rem;
  cursor: pointer;
}
.navbar a:hover ,
.navbar a.active-link{
  color: var(--neon-blue);
  text-decoration: underline;
  text-underline-offset: 0.8rem;
}
#menu-btn {
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  display: none;
  transition: 0.6s;
}
.fa-xmark {
  transform: rotate(180deg);
}
/* --- Home section --- */
#home {
  margin: 9rem 6rem 4rem;
}

.row {
  display: flex;
  align-items: center;
  flex-wrap: wrap-reverse;
  gap: 2rem;
}
.row .content-container {
  flex: 1 1 40rem;
  text-align: center;
  margin-top: -5rem;
}
#home .row .content-container span {
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.2rem;
  font-weight: 500;
}
#home .row .content-container h1 {
  margin-top: 1rem;
  font-size: 6rem;
  font-weight: 600;
  color: var(--neon-blue);
}
#home .row .img-container {
  flex: 1 1 25rem;
}
/* -x- Home section -x- */

/* --- Status section --- */

.box-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(26rem, 1fr));
  gap: 2rem;
  align-items: flex-start;
}
.box {
  display: flex;
  align-items: center;
  gap: 3rem;
  background-color: var(--dark-gray);
  padding: 2rem;
  justify-content: center;
  border-radius: 0.25rem;
}
.status .box{
  cursor: pointer;
}
.box i {
  font-size: 5rem;
  color: var(--neon-blue);
}
.box:hover i {
  color: var(--white);
}
.box:hover .text h4 {
  color: var(--neon-blue);
}
.text h4 {
  font-size: 3rem;
}
.text p {
  font-size: 1.2rem;
  color: var(--light-blue);
  text-align: left;
}
/* -x- Status section -x- */

/* --- About section --- */
#about {
  margin-top: 6rem;
}
.heading {
  padding-top: 4rem;
  font-size: 3rem;
  text-align: center;
  color: var(--neon-blue);
}
#about .row {
  flex-wrap: wrap;
}
#about .row .img-container {
  flex: 1 1 50rem;
}
#about .row .content-container {
  flex: 1 1 40rem;
  text-align: center;
  margin-top: 5rem;
}

#about .row .content-container h4 {
  font-size: 2.5rem;
  color: var(--white);
}
#about .row .content-container p {
  font-size: 1.2rem;
  text-align: left;
  margin: 2rem 0 0;
  padding-inline: 7.8rem;
  color: var(--light-blue);
}
/* -x- About Section -x- */

/* --- Courses Section --- */

 .heading span {
  color: var(--white);
}

.slide {
  background: var(--dark-gray);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  border-radius: 0.25rem;
  margin-bottom: 4rem;
  margin-top: 4rem;
}
.slide h5 {
  font-size: 1.5rem;
  color: var(--neon-blue);
}
.slide .tag-container {
  margin: 0.1rem auto 0.4rem;
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.03rem;
}
.tag {
  color: var(--light-blue);
}
.rate {
  color: var(--neon-blue);
}
.slide p {
  font-size: 0.875rem;
  margin-top: 1rem;
  padding-inline: 2.5rem;
}

/* -x- Courses Section -x- */

/* --- Mentors Section --- */

#mentors h6 {
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  line-height: 1.5;
  text-align: center;
  margin-top: 0.8rem;
}
#mentors h6 span {
  text-transform: uppercase;
  text-decoration: underline;
  text-underline-offset: 0.8rem;
  text-decoration-color: var(--neon-blue);
  text-decoration-thickness: 0.3rem;
}
#mentors .mentors-slider{
  margin-top: 4rem;
}
#mentors .slide {
  position: relative;
  overflow-x: hidden;
}
#mentors .slide .socials {
  position: absolute;
  top: 4rem;
  left: -4rem;
  transition: 0.5s;
}
#mentors .slide:hover .socials {
  left: 4rem;
}
#mentors .slide .socials a {
  display: block;
  font-size: 4rem;
  color: var(--white);
  text-align: center;
  width: 4rem;
  margin-top: 1rem;
}
#mentors .slide .socials a:hover {
  color: var(--neon-blue);
}
#mentors .slide h4 {
  font-size: 2rem;
  margin-top: 1rem;
  letter-spacing: 0.1rem;
}
/* -x- Mentors Section -x- */


/* --- Review Section --- */
#review .slide{
  display: flex;
  flex-direction: column;
  align-items: center;
}
.student{
  margin-top: 2rem;
  padding-inline: 5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  text-align: left;
}
.student img{
  height: 4rem;
  width: 4rem;
  border-radius: 50%;
}
.student .student-info{
  display: block;
  font-size: 1.2rem;
}
.student .student-info span{
  font-weight: 600;
  color: var(--neon-blue);
}
.student .student-info .rate-stars{
  margin-top: .3rem;
  color: yellow;
  font-size: .875rem;
}
/* -x- Review Section -x- */


/* --- Contact Section --- */
#contact .row {
  margin-top: 4rem;
}
#contact .row .img-container{
  flex: 1 1 25rem;
}
#contact .row .content-container{
  flex: 1 1 20rem;
  margin-top: 6rem;

}
#contact .row .content-container form{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}
#contact .row .content-container form .input-container{
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  text-align: left;
  appearance: none;
}
/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

#contact .row .content-container form input,select{
  width: 100%;
}
#contact .box{
  padding: 2rem;
  color: var(--white);
}
::placeholder,
option, 
option:checked{
  color: var(--white);
  font-weight: 500;
}
#contact .row .content-container span{
  position: relative;
  left: -35%;
  text-align: left;
  font-size: 1.5rem;
  color: var(--neon-blue);
  font-weight: 500;
  letter-spacing: .1rem;
}
#contact select{
  overflow-y: auto !important;
}
#contact select option{
  font-size: 1.4rem;
  font-weight: 500;
  padding: .5rem;
  overflow-y: scroll;
}
#contact select option:hover{
  color: var(--neon-blue);
  background-color: var(--white);
}
#contact .btn{
  align-self: flex-start;
}
/* -x- Contact Section -x- */

/* --- Footer--- */
footer{
  width: 100%;
  margin-top: 2rem;
  padding-top: 4rem;
  text-align: center;
  background: var(--dark-gray);
}
footer .social-network{
  margin-top: 2rem;
  margin-bottom: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
footer .social-network a i{
  font-size: 2.5rem;
  border-radius: 50%;
  color: var(--white);
}
footer .social-network a:hover i{
  color: var(--neon-blue);
}
footer p{
  padding-bottom: .8rem;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: .1rem;
  line-height: 1.5;
}

footer .impressum-div
{
  padding-bottom: .8rem;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: .1rem;
  line-height: 1.5;
}

footer p span{
  color: var(--neon-blue);
}
/* -x- Footer -x- */

#myBtn{
  display: none;
  position: fixed;
  right: 3rem;
  bottom: 20px;
  z-index: 99;
  text-align: center;
  font-size: 3rem; 
  color: var(--neon-blue);
  cursor: pointer;
  outline: none;
  border: none;
  background: none;
}
#myBtn:hover{
  color: var(--white);
}


/* --- Media queres */
@media screen and (max-width: 768px) {
  .navbar {
    position: absolute;
    top: 99%;
    left: 0;
    right: 0;
    text-align: center;
    border-top: 0.125rem solid var(--white);
    border-bottom: 0.125rem solid var(--white);
    background-color: var(--dark-gray);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: 0.6s;
  }
  .navbar.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
  .navbar a {
    display: block;
    margin: 3rem 2rem;
    font-size: 2rem;
  }
  #menu-btn {
    display: block;
  }
  .row .content-container h1 {
    font-size: 2rem;
  }
  #about .row .content-container h4 {
    padding-inline: 4rem;
  }
  #about .row .content-container p {
    padding-inline: 2.5rem;
    text-align: center;
  }
  #contact .row .content-container span{
    position: relative;
    left: -30%;
  }
}

@media screen and (min-width: 768px) and (max-width: 1024px) {
  .row .img-container {
    margin-top: -2rem;
  }
  .row .content-container h1 {
    font-size: 4rem;
  }
}