/* global rules */
* {
  box-sizing: border-box;
}
body {
  font-family: "Open sans";
  background-color: var(--bglight);
}
:root {
  --color1: #e7d8f7;
  --color2: #cfb1ee;
  --color3: #b88ae6;
  --color4: #a062dd;
  --color5: #883bd5;
  --color6: #7014cc;
  --color7: #631db0;
  --color8: #552594;
  --color9: #482e77;
  --color10: #3a365b;
  --bglight: #e4dae766;
  --h2color: black;
}
/* end global rules */
/* start header */
.header {
  background: linear-gradient(
    45deg,
    var(--color1),
    var(--color2),
    var(--color3)
  );
  border-bottom: 1px solid var(--color3);
  padding: 10px;
  display: flex;
  justify-content: space-between;
  width: 100%;
  align-items: center;
}
.list {
  list-style: none;
  display: flex;
  align-items: center;
}
.list li {
  margin: 0 15px;
  font-size: 15px;
}
a {
  text-decoration: none;
  color: var(--color10);
}
.list li:hover {
  text-decoration: underline;
}

.searchbar {
  display: flex;
  height: 30px;
}
.searchbar input {
  border-radius: 5px;
  border-bottom-right-radius: 0px;
  border-top-right-radius: 0px;
  border: 1px solid var(--color8);
  padding-left: 10px;
}
.searchbar i {
  font-size: 20px;
}
.searchicon {
  padding: 5px;
  border: 1px solid var(--color8);
  border-bottom-left-radius: 0px;
  border-top-left-radius: 0px;
  background-color: var(--color1);
}
.searchicon:hover {
  background-color: var(--color4);
}
.dark-light {
  background: none;
  border: none;
}
.dark-light i {
  font-size: 25px;
}
/* end header */
/* start main */
h2 {
  color: var(--h2color);
  font-weight: 400;
  font-size: 30px;
  margin-top: 50px;
  margin-left: 30px;
  font-style: italic;
  text-shadow: 1px 1px 5px var(--color3);
}

.search {
  margin: 0 20px;
}
select {
  cursor: pointer;
  padding: 5px;
}
.sort {
  color: var(--h2color);
}
.search select,
option {
  border-color: var(--color10);
  border-radius: 5px;
  border-width: 1px;
}

.page {
  display: flex;
  justify-content: space-between;
  padding: 20px;
}
.course {
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 23%;
  padding: 15px;
  background: linear-gradient(40deg, #efe6f9bb, whitesmoke);
  box-shadow: 1px 1px 5px var(--color2);
  order: 0;
}

.course img {
  width: 240px;
  height: 200px;

  border-radius: 3px;
}
.course:hover {
  box-shadow: 1px 1px 5px var(--color10);
  transition: 0.2s;
  cursor: pointer;
}
.course p {
  text-align: center;
  font-weight: 500;
  font-size: 17px;
}
.price {
  flex-direction: row;
  justify-content: space-between;
  align-self: baseline;
  background: none;
}
.price:hover,
.addfavs:hover {
  box-shadow: none;
}

b {
  margin-right: 15px;
}
em {
  color: grey;
}
button {
  border-radius: 6px;
  cursor: pointer;
  padding: 8px;
}
.addfavs {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin: 15px 0px;
  align-items: center;
}
.addtocart {
  color: whitesmoke;
  background-color: var(--color10);
  border: 1px solid var(--color10);
  width: 80%;
}
.addtocart:hover {
  color: var(--color10);
  background-color: whitesmoke;
  box-shadow: 1px 1px 5px var(--color3);
}
i {
  font-size: 27px;
  color: var(--color10);
  margin-right: 5px;
}
.buynow {
  color: var(--color10);
  background-color: whitesmoke;
  width: 100%;
  border-color: var(--color10);
  border-width: 1px;
}
.buynow:hover {
  color: whitesmoke;
  background-color: var(--color10);
  box-shadow: 2px 2px 7px var(--color3);
}
/* end main */
/* start logo */

.logo {
  display: flex;
  width: 210px;
  gap: 4px;
}

.logo i {
  font-size: 30px;
  color: var(--color10);
}

.span1,
.span2 {
  color: var(--color8);
  font-size: 20px;
  font-style: italic;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}
.span1 {
  font-weight: bold;
}
.span2 {
  font-style: italic;
}

.span3 {
  color: var(--color8);
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 10px;
}
.hy {
  color: var(--color10);
  font-size: 20px;
}
/* end logo */
/* start popup */
.popup {
  width: 300px;
  height: 240px;
  background: linear-gradient(30deg, white, var(--color1), var(--color2));
  box-shadow: 1px 1px 5px var(--color10);
  border-radius: 15px;
  position: fixed;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.1);
  visibility: hidden;
  transition: transform 0.4s, top 0.4s;
}
.popup i {
  font-size: 60px;
  color: var(--color8);
}
.popup p {
  font-size: 20px;
  font-weight: 500;
}
.popup button {
  font-size: 17px;
  color: whitesmoke;
  background-color: var(--color10);
  border: 1px solid var(--color10);
  width: 70%;
  margin: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.popup button:hover {
  color: var(--color10);
  background-color: whitesmoke;
  box-shadow: 1px 1px 5px var(--color3);
}
.popup button i {
  color: var(--color3);
  font-size: 15px;
  margin-right: 10px;
}
.open-popup {
  visibility: visible;
  top: 50%;
  transform: translate(-50%, -50%) scale(1);
}
/* end popup */

/* start sidebar */
.close-icon {
  position: absolute;
  top: 10px;
  right: 15px;
  cursor: pointer;
}

.sidebar {
  display: flex;
  flex-direction: column;
  box-shadow: 1px 1px 5px var(--color8);
  align-items: center;
  justify-content: center;
  width: 250px;
  background: linear-gradient(
    45deg,
    var(--color1),
    var(--color2),
    var(--color1)
  );
  height: 100vh;
  transition: transform 0.3s ease-in-out;
  transform: translateX(100%);
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 999;
  padding: 20px;
}
.sidebar ul {
  list-style: none;
}
.sidebar li {
  margin: 20px;
}
.sidebar li a:hover {
  text-decoration: underline;
}
.sidebar li a {
  text-decoration: none;
  color: var(--color9);
}
.sidebar img {
  width: 70%;
  height: 150px;
  cursor: pointer;
  border-radius: 10px;
}
.sidebar.active {
  transform: translateX(0);
}
.sidebar.active + .course {
  margin-right: 250px;
}
.sidebar .dark-light {
  position: absolute;
  bottom: 15px;
  right: 10px;
}
/* end sidebar */

/* start dark mode */

.dark-mode {
  background: linear-gradient(
    180deg,
    var(--color10),
    var(--color8),
    var(--color9),
    var(--color10)
  );
}

.dark-mode .header {
  background: linear-gradient(
    90deg,
    var(--color10),
    var(--color8),
    var(--color7)
  );
  border-bottom: 1px solid var(--color4);
}

.dark-mode .searchbar input {
  border: 1px solid var(--color2);
}
.dark-mode .searchicon {
  border: 1px solid var(--color2);
  background-color: var(--color4);
}

.dark-mode .searchicon:hover {
  background-color: var(--color2);
}
.dark-mode .dark-light i {
  color: var(--color1);
}

.dark-mode h2 {
  color: white;
  text-shadow: 0px 0px 4px var(--color4);
}

.dark-mode .sort {
  color: white;
}
.dark-mode a,
.dark-mode li i {
  color: var(--color1);
}

.dark-mode .span1,
.dark-mode .span2 {
  color: var(--color1);
}

.dark-mode .span3 {
  color: var(--color1);
}

.dark-mode .logo i {
  color: var(--color3);
}
.dark-mode .hy {
  color: var(--color3);
}
.course {
  box-shadow: 1px 1px 5px var(--color4);
}
.dark-mode .course:hover {
  box-shadow: 1px 1px 5px var(--color1);
}
/* end dark mode */
/* start footer */

footer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(
    45deg,
    var(--color10),
    var(--color3),
    var(--color2)
  );
  padding: 50px 10px;
  margin-top: 30px;
  box-shadow: 1px 1px 5px var(--color10);
}

footer .container {
  width: 100%;
  height: 200px;
  margin: auto;
}

footer .row {
  display: flex;
  flex-wrap: nowrap;
}

footer ul {
  list-style: none;
}

.footer-col {
  width: 25%;
  padding: 0 15px;
}
.footer-col h4 {
  font-size: 18px;
  color: var(--color10);
  text-transform: capitalize;
  margin-bottom: 35px;
  font-weight: 500;
  position: relative;
  width: fit-content;
}

.footer-col h4::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  background-color: var(--color10);
  height: 2px;
  box-sizing: border-box;
  width: 100%;
  border-radius: 50%;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 16px;
  text-transform: capitalize;
  color: var(--color10);
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-col ul li a:hover {
  color: var(--color1);
  padding-left: 8px;
}

.footer-col .social-links a {
  display: inline-block;
  height: 40px;
  width: 40px;
  background-color: var(--color10);
  margin: 0 10px 10px 0;
  text-align: center;
  line-height: 40px;
  border-radius: 50%;
  transition: all 0.5s ease;
}

.footer-col .social-links a i {
  font-size: 20px;
  color: var(--color1);
  padding-left: 3px;
}

.footer-col .social-links a:hover {
  background-color: var(--color7);
  box-shadow: 1px 1px 5px var(--color6);
}

.footer .email-us {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  background-color: var(--color10);
  color: var(--color1);
  padding: 10px;
  border-radius: 30px;
  border: solid 2px transparent;
  transition: all 0.3s ease-in-out;
}
.logo-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2em;
  cursor: pointer;
  margin-right: 20px;
}
.span1-footer,
.span2-footer {
  color: var(--color10);
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}
.span2-footer {
  font-style: italic;
}

.span3-footer {
  color: var(--color8);
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 10px;
}
.hy-footer {
  color: var(--color10);
  font-size: 20px;
}

.logo-footer i {
  font-size: 3em;
  color: var(--color10);
}

.logo-footer .span1-footer,
.logo-footer .span2-footer {
  color: var(--color9);
  font-size: 2em;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}
.logo-footer .span1-footer {
  font-weight: bold;
}
.logo-footer .span2-footer {
  font-style: italic;
}

.logo-footer .span3-footer {
  color: var(--color10);
  font-size: 0.8em;
}
.logo-footer .hy-footer {
  color: var(--color10);
  font-size: 1.8em;
}

.footer .email-us:hover {
  background-color: var(--color1);
  color: var(--color10);
  border: solid 2px var(--color10);
}

.footer .email-us i {
  font-size: x-large;
}

.footer .copywrite {
  margin-top: 20px;
  font-size: 10px;
}

/* end footer */