* {
  padding: 0;
  margin: 0;
  border: 0;
  outline: 0;
  box-sizing: border-box;
  list-style-type: none;
  text-decoration: none;
}

:root {
  --color-primary: #6c63ff;
  --color-success: #00bf8e;
  --color-warning: #f7c94b;
  --color-danger: #f75842;
  --color-danger-variant: rgba(247, 88, 66, 0.4);
  --color-white: #fff;
  --color-light: rgba(255, 255, 255, 0.7);
  --color-black: #000;
  --color-bg: #1a2641;
  --color-bg1: #2e3267;
  --color-bg2: #424890;

  --container-width-lg: 80%;
  --container-width-md: 95%;
  --container-width-sm: 94%;

  --transition: all 400ms ease;
}

body {
  font-family: IRANSans;
  line-height: 1.7;
  color: var(--color-white);
  background-color: var(--color-bg);
  direction: rtl;
  background-image: url(../img/bg-texture.png);
}

.container {
  width: var(--container-width-lg);
  margin: 0 auto;
}

section {
  padding: 6rem 0;
}

section h2 {
  text-align: center;
  margin-bottom: 4rem;
}

h1,
h2,
h3,
h4,
h5 {
  line-height: 1.2;
}

h1 {
  font-size: 2.4rem;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.6rem;
}
h4 {
  font-size: 1.3rem;
}

a {
  color: var(--color-white);
}

img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.btn {
  padding: 1rem 2rem;
  background-color: var(--color-white);
  color: var(--color-black);
  border: 1px solid transparent;
  font-weight: 500;
  transition: var(--transition);
  display: inline-block;
}

.btn:hover {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-primary {
  background-color: var(--color-danger);
  color: var(--color-white);
}

/**==================== NavBar ===============*/
.header-nav {
  background-color: transparent;
  width: 100vw;
  position: fixed;
  top: 0;
  z-index: 11;
  height: 5rem;
  transition: var(--transition);
}
.header-nav-scroll {
  background-color: var(--color-primary);
  box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
}
.header-nav .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.header-nav button {
  display: none;
}

.header-nav .header-menu {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.header-nav .header-menu a {
  font-size: 0.9rem;
  transition: var(--transition);
}

.header-nav .header-menu a:hover {
  color: var(--color-bg2);
}

/**==================== Header ===============*/
header {
  position: relative;
  top: 5rem;
  overflow: hidden;
  margin-bottom: 5rem;
  height: 70vh;
}

header .header-container {
  height: 100%;
  row-gap: 5rem;
}
header .header-left p {
  margin: 1rem 0 2.4rem;
}

/**==================== Categories ===============*/
.categories {
  background-color: var(--color-bg1);
  height: 32rem;
}
.categories .categiries-right h1 {
  line-height: 1;
  margin-bottom: 3rem;
}

.categories .categories-right {
  padding-left: 4rem;
}

.categories .categories-right p {
  margin: 1rem 0 3rem;
}

.categories .categories-left .category {
  background-color: var(--color-bg2);
  padding: 2rem;
  border-radius: 2rem;
  transition: var(--transition);
  margin-bottom: 1.5rem;
}

.categories .categories-left div:nth-child(2) .category-icon {
  background-color: var(--color-danger);
}
.categories .categories-left div:nth-child(3) .category-icon {
  background-color: var(--color-success);
}
.categories .categories-left div:nth-child(4) .category-icon {
  background-color: var(--color-warning);
}
.categories .categories-left div:nth-child(5) .category-icon {
  background-color: var(--color-success);
}

.categories .categories-left .category:hover {
  box-shadow: 0 3rem 3rem rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.categories .categories-left .category .category-icon {
  border-radius: 0.9rem;
  background-color: var(--color-primary);
  padding: 0.7rem;
}
.categories .categories-left .category .category-icon i {
  padding: 0.4rem;
}

.categories .categories-left .category h5 {
  margin: 1.8rem 0 1rem;
}
.categories .categories-left .category p {
  font-size: 0.85rem;
}

/**==================== Popular Courses ===============*/
.courses {
  margin-top: 10rem;
}

.courses .course {
  background-color: var(--color-bg1);
  border: 1px solid transparent;
  text-align: center;
  transition: var(--transition);
  margin-bottom: 1.5rem;
}
.courses .course:hover {
  background-color: transparent;
  border-color: var(--color-primary);
}

.courses .course .course-info {
  padding: 2rem;
}
.courses .course .course-info p {
  margin: 1.2rem 0 2rem;
  font-size: 0.9rem;
}

.swiper .swiper-wrapper {
  margin-bottom: 3rem;
}

/**==================== Questions ===============*/
.questions {
  background-color: var(--color-bg1);
  box-shadow: inset 0 0 3rem rgba(0, 0, 0, 0.5);
}
.questions .question-container > div {
  margin-bottom: 1.5rem;
}
.questions .question {
  display: flex;
  justify-content: start;
  align-items: flex-start;
  padding: 2rem;
  cursor: pointer;
  background-color: var(--color-primary);
}
.questions .question .question-icon span {
  font-size: 1.2rem;
  line-height: 2.2;
  display: inline-block;
  padding: 0 1rem;
}
.questions .question .question-answer h4 {
  font-size: 1rem;
  line-height: 2.2;
}
.questions .question .question-answer p {
  margin-top: 0.8rem;
  display: none;
}
.questions .question.open .question-answer p {
  display: block;
}

/**==================== Testimonials ===============*/
.testimonials .testimonial {
  padding-top: 2rem;
}
.testimonials .testimonial .avatar {
  overflow: hidden;
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  border: 1rem solid var(--color-bg1);
  margin: 0 auto 1rem;
}
.testimonials .testimonial .testimonial-info {
  text-align: center;
}
.testimonials .testimonial .testimonial-body {
  margin-top: 3rem;
  padding: 2rem;
  background-color: var(--color-primary);
  position: relative;
}
.testimonials .testimonial .testimonial-body::before {
  content: "";
  display: block;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(
    180deg,
    transparent,
    var(--color-primary),
    var(--color-primary)
  );
  position: absolute;
  left: 50%;
  top: -3rem;
  transform: translate(-50%, 0);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

/**==================== Footer ===============*/
.site-footer {
  background-color: var(--color-bg1);
  padding: 3rem 0 0 0;
  font-size: 0.9rem;
}
.site-footer .footer-container > div {
  padding: 2.5rem;
}
.site-footer h4 {
  margin-bottom: 1.5rem;
  font-weight: bold;
}
.site-footer p {
  line-height: 2.5;
}

.site-footer ul {
  line-height: 2.5rem;
}
.site-footer ul li {
  transition: var(--transition);
}
.site-footer ul li:hover {
  padding-right: 0.5rem;
}

.site-footer address {
  text-align-last: left;
  direction: ltr;
  font-style: normal;
}
.site-footer address .addres-div {
  margin-bottom: 1rem;
}
.site-footer address i {
  font-size: 2rem;
  padding-right: 1rem;
  display: block;
}
.site-footer address span {
  color: var(--color-light);
}
.site-footer address a {
  display: block;
}

.site-footer .social-network {
  margin-top: 2rem;
  font-size: 1.5rem;
}

.site-footer .footer-copyright {
  text-align: center;
  direction: ltr;
  font-size: 0.8rem;
  background-color: var(--color-bg2);
}

/**##################### About Page #####################*/
/**==================== Achivements ===============*/
.achivements {
  margin-top: 3rem;
}

.achivements .achivements-right {
  padding-left: 3rem;
}

.achivements .achivements-left > p {
  margin: 1.6rem 0 2.5rem;
}

.achivements .achivements-left .card {
  background-color: var(--color-bg1);
  padding: 1.6rem;
  border-radius: 1rem;
  text-align: center;
  transition: var(--transition);
}

.achivements .achivements-left .achivements-cards .card:hover {
  background-color: var(--color-bg2);
  box-shadow: 0 3rem 3rem rgba(0, 0, 0, 0.2);
}

.achivements .achivements-left .achivements-cards .card .card-icon {
  background-color: var(--color-primary);
  padding: 0.6rem;
  border-radius: 1rem;
  display: inline-block;
  margin-bottom: 2rem;
}

.achivements
  .achivements-left
  .achivements-cards
  div:nth-child(2)
  .card
  .card-icon {
  background-color: var(--color-danger);
}
.achivements
  .achivements-left
  .achivements-cards
  div:nth-child(3)
  .card
  .card-icon {
  background-color: var(--color-success);
}

.achivements .achivements-left .achivements-cards .card .card-icon i {
  display: inline-block;
  padding: 0.5rem;
  font-size: 2rem;
}

.achivements .achivements-left .achivements-cards .card p {
  margin-top: 1rem;
}

/**==================== Team ===============*/
.team {
  background-color: var(--color-bg1);
  box-shadow: inset 0 0 3rem rgba(0, 0, 0, 0.5);
}

.team .team-container > div {
  margin-bottom: 1rem;
}

.team .member {
  background-color: var(--color-bg2);
  padding: 2rem;
  border: 1px solid transparent;
  border-radius: 2rem;
  position: relative;
  overflow: hidden;
}

.team .member:hover {
  background-color: transparent;
  border-color: var(--color-primary);
}

.team .member img {
  filter: saturate(0);
}

.team .member:hover img {
  filter: saturate(1);
}
.team .member .member-info * {
  text-align: center;
  margin-top: 1.4rem;
}
.team .member .member-info p {
  color: var(--color-light);
}

.team .member .member-socials {
  position: absolute;
  right: -100%;
  top: 50%;
  transform: translate(0, -50%);
  background-color: var(--color-primary);
  border-radius: 1rem 0 0 1rem;
  box-shadow: -2rem 0 2rem rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.team .member:hover .member-socials {
  right: 0;
}

.team .member .member-socials a {
  display: block;
  padding: 1rem;
}

/**##################### Contact Page #####################*/
/**==================== Contact ===============*/
.contact .contact-container {
  padding: 4rem;
  border-radius: 1rem;
  background-color: var(--color-bg1);
  height: 30rem;
  margin: 7rem auto;
}

/**==================== Contact Aside ===============*/
.contact .contact-right .contact-aside {
  background-color: var(--color-primary);
  padding: 3rem;
  border-radius: 1rem;
  bottom: 10rem;
  position: relative;
}

.contact .contact-right .contact-aside .aside-image {
  width: 12rem;
  margin-bottom: 2rem;
}

.contact .contact-right .contact-aside h2 {
  text-align: right;
  margin-bottom: 1rem;
}
.contact .contact-right .contact-aside p {
  font-style: 0.9rem;
  margin-bottom: 2rem;
}

.contact .contact-right .contact-details li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.contact .contact-right .contact-details li.left a {
  direction: ltr;
}

.contact .contact-right .contact-socials {
  margin-top: 3rem;
  display: flex;
  justify-content: space-around;
}

.contact .contact-right .contact-socials a {
  background-color: var(--color-bg2);
  padding: 0.5rem;
  border-radius: 50%;
  font-size: 0.9rem;
  display: inline-block;
  transition: var(--transition);
}

.contact .contact-right .contact-socials a:hover {
  background-color: transparent;
}

/**==================== Contact Form ===============*/
.contact .contact-left .contact-form {
  display: flex;
  flex-direction: column;
  row-gap: 1.2rem;
}

.contact .contact-left .contact-form .form-name {
  display: flex;
  gap: 1.2rem;
}
.contact .contact-left .contact-form .form-name input[type="text"] {
  width: 50%;
}

.contact .contact-left .contact-form input:not(.btn),
textarea {
  width: 100%;
  padding: 1rem;
  background-color: var(--color-bg);
  color: var(--color-white);
}

.contact .contact-left .contact-form .btn {
  width: max-content;
  cursor: pointer;
  margin-top: 1rem;
}