/*------ Variables ------*/
:root {
  --base-shade-1: #00a8fa;
  --white-shade-1: #ffffff;
  --white-shade-2: #d7e1f3;
  --black-shade-1: #232323;
  --black-shade-2: #676a8b;
  --grad-color-1: 0, 180, 250;
  --grad-color-2: 21, 120, 255;

  --base-font-size: 1.6rem;

  --heading-font-size-1: 4rem;
  --heading-font-size-2: 3.2rem;
  --heading-font-size-3: 2rem;
  --heading-font-size-4: 1.8rem;

  --border-radius-1: 1rem;
  --border-radius-2: 0.5rem;
}
/*------ Base Styles ------*/
*,
*:before,
*:after {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
*:not(i) {
  font-family: "Poppins", sans-serif;
}
html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}
/*------ Utility Classes ------*/

img.education-icon {
    height: 200px;
    /* text-align: center; */
    /* align-items: center; */
    margin: 0 auto;
}

img.hero-img-teacher {
    display: block;
    width: 50rem;
    height: auto;
    text-align: center;
    /* width: 50%; */
}


.book-button.primary-btn {
    background-color: var(--base-shade-1);
    padding: 1rem 2rem;
    border-radius: var(--border-radius-2);
    border: none;
    color: white;
    font-size: 20px;
    margin: 2rem 0;
    text-decoration: none;
    padding: 20px;
}


#home .btn-container {
    text-align: center;
    margin: 0 auto;
    align-items: center;
    justify-content: center;
}


#home .hero-content {
    text-align: center;
}


section,
footer {
  padding: 3rem 5rem;
}

#features{
background-color: white;
}

#mission{
  background-color: aliceblue;

}
.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 5rem;
}
.column {
  width: 100%;
}
.section-desc {
  text-align: center;
  margin: 2rem 0 6rem 0;
}
h1 {
  font-size: var(--heading-font-size-1);
  color: var(--black-shade-1);
  margin-bottom: 2rem;
  word-spacing: 1rem;
  line-height: 1.6;
}
h2 {
  font-size: var(--heading-font-size-2);
  color: var(--black-shade-1);
  font-weight: 700;
  text-align: center;
}
h3 {
  font-size: var(--heading-font-size-3);
  color: var(--black-shade-1);
  font-weight: 700;
  margin: 1.5rem 0;
  text-align: center;
}
h4 {
  font-size: var(--heading-font-size-4);
  color: var(--black-shade-2);
  margin: 1.5rem 0;
}
p,
button {
  font-size: var(--base-font-size);
  color: var(--black-shade-2);
  line-height: 1.8;
  font-weight: 400;
}
.btn {
  background-color: transparent;
  padding: 1rem 2rem;
  border-radius: var(--border-radius-2);
  border: none;
  margin: 2rem 0;
}


/*------ Header ------*/
header {
  background: black;
  position: fixed;
  width: 100%;
  padding: 2rem 6rem;
}
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}
nav a {
  font-size: var(--heading-font-size-4);
  text-decoration: none;
}
nav a#logo {
  color: var(--base-shade-1);
  font-weight: 700;
  font-size: 32px;
  font-weight: 700;
}
nav ul a {
  color: var(--white-shade-1);
}

/*-- SideMenu --*/
#ham-menu {
  display: none;
}
nav ul.active {
  left: 0;
}
/*-- Sticky Header --*/
.sticky {
  background-color: var(--white-shade-1);
  box-shadow: 0 2rem 1.5rem rgba(0, 0, 0, 0.05);
}
.sticky nav ul a,
.sticky nav a#logo,
.sticky #ham-menu {
  color: var(--black-shade-1);
}
/*-- Link Hover Effect --*/
nav ul a:hover {
  color: orange;
}
.sticky nav ul a:hover {
  color: var(--base-shade-1);
}
/*------ Section: Hero ------*/
section.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 57px;
  padding-top: 117px;
  column-gap: 134px;
  
}
#header-shape {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
}
.hero-content p {
  text-align: justify;
}
.hero-img img {
  display: block;
  width: 57rem;
  height: 44rem;
}
.btn-container {
  display: flex;
  gap: 3rem;
}
/*------ Section: Features ------*/
.features .row {
  align-items: stretch;
}
.features .column {
  padding: 6rem 2rem;
  border-radius: var(--border-radius-1);
}
.features .column p {
  text-align: center;
}
.features h3 {
  margin: 3rem 0;
}
.features i {
  display: block;
  height: 6rem;
  width: 6rem;
  margin: 0 auto;
  font-size: 3.5rem;
  background-color: var(--base-shade-1);
  color: var(--white-shade-1);
  padding: 1.3rem 0;
  text-align: center;
  border-radius: var(--border-radius-2);
}
.features .column:hover {
  background-color: var(--base-shade-1);
}
.features .column:hover h3 {
  color: var(--white-shade-1);
}
.features .column:hover p {
  color: var(--white-shade-2);
}
.features .column:hover i {
  background-color: var(--white-shade-1);
  color: var(--base-shade-1);
}
/*------ Section: Courses ------*/
#courses{
  background-color: none;
}
.courses .row {
  align-items: stretch;
}
.courses .column {
  padding: 10px;
  box-shadow: 0 0.5rem 2.4rem 0.6rem rgba(0, 0, 0, 0.06);
  border-radius: var(--border-radius-1);
  display: flex;
  flex-direction: column;
}
.courses .column > *:not(img) {
  padding: 0 2rem;
}
.courses .column img {
  border-radius: var(--border-radius-1) var(--border-radius-1) 0 0;
  width: 100%;
}
.courses .column p {
  text-align: center;
  flex-grow: 1;
}
.courses-btn {
  display: flex;
  justify-content: center;
}
.courses-btn .btn:hover {
  color: var(--white-shade-1);
  background-color: var(--base-shade-1);
}
/*------ Section: Testimonials ------*/
.testimonial {
  background-color: aliceblue !important;
}
.testimonial h2,
.testimonial .section-desc {
  color: black;
}
.testimonial .row {
  align-items: stretch;
}
.testimonial .column {
  background-color: var(--white-shade-1);
  padding: 4rem 3rem;
  text-align: center;
  border-radius: var(--border-radius-1);
  display: flex;
  flex-direction: column;
}
.testimonial-image {
  height: 14rem;
  width: 14rem;
  margin: auto;
  padding: 0.9rem;
  border-radius: 50%;
}
.testimonial-image img {
  width: 100%;
  border-radius: 50%;
  height: 100%;
  border: none;
}
.testimonial .column p {
  margin: 4rem 0;
  flex-grow: 1;
}
.download-app{
    display: none;
}
/*------ Section: Download App ------*/
.download-app .column:nth-child(1) {
  display: flex;
  justify-content: center;
}
.download-app .column:nth-child(2) {
  padding: 0 2rem;
}
.download-app img {
  display: block;
  width: 45%;
}
.app-feature {
  border-bottom: 1.5px dashed rgba(var(--grad-color-1), 0.4);
}
.app-feature:not(:last-child) {
  margin-bottom: 1.5rem;
}
.app-feature div {
  display: flex;
  gap: 2rem;
}
.app-feature p {
  margin-bottom: 1.5rem;
}
.download-app .fas {
  display: inline-block;
  background-color: var(--white-shade-2);
  height: 5rem;
  width: 5rem;
  border-radius: 50%;
  font-size: 2rem;
  text-align: center;
  padding: 1.5rem;
  color: var(--base-shade-1);
}
.download-app h3 {
  display: inline-block;
}
.download-btns {
  display: flex;
}
.download-btns a {
  display: inline;
  text-align: center;
}
.download-btns a img {
  display: inline-block;
  width: 70%;
}
/*------ Section: Footer ------*/
footer {
  background-color: var(--black-shade-1);
}
footer h3 {
  margin: 0;
}
footer h3,
footer h4 {
  color: var(--white-shade-1);
  text-align: center;
}
footer .row {
  margin-bottom: 6rem;
}
.footer-about {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 2px solid var(--white-shade-1);
}
.social-links {
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 5rem;
}
.social-links a {
  font-size: 3rem;
  text-decoration: none;
  color: var(--white-shade-1);
}
footer p {
  text-align: center;
}

/*------ Scroll Top Button ------*/
#scroll-top {
  position: fixed;
  display: none;
  place-items: center;
  height: 5rem;
  width: 5rem;
  right: 3rem;
  bottom: 3rem;
  background-color: var(--base-shade-1);
  color: var(--white-shade-1);
  border: none;
  outline: none;
  font-size: var(--heading-font-size-3);
  border-radius: var(--border-radius-2);
  box-shadow: 0 1.5rem 2rem rgba(0, 0, 0, 0.2);
}
/*----------------------------custom css--------------------------*/

.features .column p {
    display: none;
}

  section#teachers {
    background-color: aliceblue;
    ul.teacher-spces {
    font-size: 15px;
}
    
}

.teacher-image {
    /* margin: 0 auto; */
    text-align: center;
    margin: 0 auto;
    display: flex;
    padding: 30px;
    align-items: center;
    justify-content: center;
}

  

@media only screen and (max-width: 991px) {

  #home .hero-img img {
    display: block;
    width: 40rem;
    height: auto;
}

  
  html {
    font-size: 56.25%;
  }
  .book-button.primary-btn {
    background-color: deepskyblue;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-2);
    border: none;
    color: white;
    font-size: 20px;
    margin: 2rem 0;
    text-decoration: none;
    padding: 20px;
}
  .row {
    flex-direction: column;
  }
  section,
  footer {
    padding: 7.5rem 5rem;
  }
  header {
    padding: 2.2rem 5rem;
  }
  section.hero {
    grid-template-columns: 1fr;
    background: linear-gradient(
      45deg,
      rgb(var(--grad-color-1)),
      rgb(var(--grad-color-2))
    );
    display: flex;
    flex-wrap: wrap;
  }

  .hero-img img {
    display: none;
}
  #header-shape {
    display: none;
  }
  .hero-img {
    grid-row: 1;
  }
  nav ul a,
  nav a#logo {
    color: var(--white-shade-1);
  }
  .hero-content h1,
  .hero-content p {
    text-align: center;
  }
  .hero-content h1 {
    color: var(--white-shade-1);
  }
  .hero-content p {
    color: var(--white-shade-2);
  }


  
  
  .btn-container {
    justify-content: center;
    .book-button.primary-btn.btn {
    background-color: var(--base-shade-1);
    padding: 1rem 2rem;
    border-radius: var(--border-radius-2);
    border: none;
    color: white;
    font-size: 20px;
    margin: 2rem 0;
    text-decoration: none;
    padding: 20px;
  }
  }
  .download-app img {
    width: 30%;
  }
  .app-feature div {
    justify-content: center;
  }
  .app-feature p {
    text-align: center;
  }
  .download-app a img {
    width: 50%;
  }
  
}

@media only screen and (max-width: 767px) {
  html {
    font-size: 50%;
  }
  header {
    padding: 2rem 4rem;
  }
  #ham-menu {
    display: block;
    color: var(--white-shade-1);
  }
  nav a#logo,
  #ham-menu {
    font-size: var(--heading-font-size-2);
  }
  nav ul {
    background-color: var(--black-shade-1);
    position: fixed;
    left: -100vw;
    top: 70.4px;
    height: calc(100vh - 70.4px);
    width: 100vw;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    transition: 1s;
    gap: 0;
  }
  nav ul a {
    font-size: var(--heading-font-size-3);
  }
  .sticky nav ul a {
    color: var(--white-shade-1);
  }
  nav ul a:hover {
    color: var(--base-shade-1);
  }
  #scroll-top {
    height: 6rem;
    width: 6rem;
  }

  img.hero-img-teacher {
    display: block;
    width: 50rem;
    height: auto;
    text-align: center;
    /* width: 50%; */
}
}
@media only screen and (max-width: 575px) {

  .teacher-image img.hero-img-teacher {
    display: block;
    width: 37rem;
    height: auto;
    text-align: center;
    /* width: 50%; */
}
  html {
    font-size: 46.87%;
  }
  header {
    padding: 2rem 3rem;
  }
  section,
  footer {
    padding: 7.5rem 3rem;
  }
  .features .column {
    padding: 4rem 2rem;
  }
  nav ul {
    top: 65.18px;
    height: calc(100vh - 65.18px);
  }
}