* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Open Sans", sans-serif;
  color: black;
}
:root {
  --main-btn-blue: #0075ff;
  --second-color: #888;
  --orange-color: #f59e0b;
  --green-color: #22c55e;
  --red-color: #f44336;
  --gray-color: #eee;
}
li {
  list-style-type: none;
}
a {
  text-decoration: none;
}

/* ============================== */
.our_page {
  display: flex;
  align-items: flex-start;
  justify-content: start;
}
.mainNav {
  max-width: 250px;
  background-color: #fff;
  z-index: 100;
  height: 100%;
}
@media (max-width: 768px) {
  .mainNav {
    max-width: 80px;
    position: fixed;
    top: 0;
    display: none;
  }
}
.mainNav.active {
  left: 0;
  display: block;
}
.mainNav .title {
  padding: 20px 0 20px;
  font-weight: bold;
  text-align: center;
  position: relative;
}
.mainNav .title::before,
.mainNav .title::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 50%;
  transform: translate(50%, 50%);
  -webkit-transform: translate(50%, 50%);
  -moz-transform: translate(50%, 50%);
  -ms-transform: translate(50%, 50%);
  -o-transform: translate(50%, 50%);
}
.mainNav .title::before {
  width: 12px;
  height: 12px;
  background-color: black;
  border: 8px solid white;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}
.mainNav .title::after {
  width: 100px;
  height: 2px;
  background-color: black;
  z-index: -1;
}
@media (max-width: 768px) {
  .mainNav .title::before,
  .mainNav .title::after {
    display: none;
  }
}
.mainNav .links {
  margin: 40px 30px;
}
@media (max-width: 768px) {
  .mainNav .links {
    margin: 40px 15px;
  }
  .mainNav .links li a i {
    margin: 0 auto;
  }
}
.mainNav .links li {
  cursor: pointer;
  margin-bottom: 10px;
  border-radius: 6px;
  -webkit-border-radius: 6px;
  -moz-border-radius: 6px;
  -ms-border-radius: 6px;
  -o-border-radius: 6px;
  transition: 0.5s;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
}
.mainNav .links li a {
  display: flex;
  justify-content: left;
  width: 100%;
  padding: 10px 30px 10px 5px;
}
.mainNav .links li.active {
  background-color: #f6f6f6;
}
.mainNav .links li:hover {
  background-color: #f6f6f6;
}
.mainNav .links i {
  font-size: 15px;
  margin-right: 10px;
}

@media (max-width: 768px) {
  .mainNav .links li span {
    display: none;
  }
  .mainNav .links li a {
    padding: 10px;
  }
  .mainNav .links li i {
    font-size: 20px;
  }
}
#burger {
  font-size: 20px;
  cursor: pointer;
  margin-right: 10px;
}
@media (min-width: 768px) {
  #burger {
    display: none;
  }
}
/* ============================================ */
/*   header */

.sectinos {
  width: 100%;
}
.sectinos .header {
  display: flex;
  justify-content: space-between;
  padding: 10px;
  box-shadow: 0 0 10px #ccc;
}
.sectinos .header .inp {
  position: relative;
}
.sectinos .header .inp i {
  position: absolute;
  top: 50%;
  left: 12px;
  color: #ccc;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
}

.sectinos .header .inp input {
  background-color: transparent;
  border: 1px solid #ccc;
  width: 130px;
  padding: 10px 20px;
  outline: none;
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
  transition: width 0.5s;
  -webkit-transition: width 0.5s;
  -moz-transition: width 0.5s;
  -ms-transition: width 0.5s;
  -o-transition: width 0.5s;
}
.sectinos .header .inp input:focus {
  width: 160px;
}
.sectinos .header .inp input:focus::placeholder {
  color: transparent;
}
.sectinos .header .right {
  display: flex;
  justify-content: center;
  align-items: center;
}
.sectinos .header .right span {
  margin-right: 20px;
  position: relative;
}

.sectinos .header .right span::before {
  position: absolute;
  content: "";
  top: -5px;
  right: -5px;
  background-color: red;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}
.sectinos .header .right img {
  width: 35px;
}

/* end header */
/* ==================================== */
.sectinos .plans {
  background-color: #f1f5f9;
  padding: 10px;
}
.sectinos .plans > h1 {
  position: relative;
  margin-left: 5px;
  padding: 25px;
}
.sectinos .plans > h1::before,
.sectinos .plans > h1::after {
  position: absolute;
  content: "";
  height: 4px;
  left: 30px;
  bottom: 5px;
}
.sectinos .plans h1::before {
  width: 50px;
  background-color: black;
  z-index: 2;
}

.sectinos .plans h1::after {
  width: 140px;
  background-color: white;
  z-index: 1;
}
.sectinos .plans .cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 30px;
  margin: 15px 10px;
}
@media (max-width: 768px) {
  .sectinos .plans .cards {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}
.card {
  overflow: hidden;
  padding: 15px;
  background-color: white;
}
.card h2 {
  margin-bottom: 10px;
}
.card .price {
  background-color: var(--green-color);
  border: 4px solid white;

  padding: 20px 10px;
}
#free .price {
  outline: 4px solid var(--green-color);
  background-color: var(--green-color);
}
#basic .price {
  outline: 4px solid var(--main-btn-blue);
  background-color: var(--main-btn-blue);
}
#premium .price {
  outline: 4px solid var(--orange-color);
  background-color: var(--orange-color);
}
.card .price h1,
.card .price h2 {
  color: white;
  text-align: center;
}
.card .price h1 {
  font-size: 40px;
  position: relative;
  width: fit-content;
  margin: 0 auto;
}
.card .price h1:before {
  content: "\24";
  position: absolute;
  background-color: transparent;
  font-size: 30px;
  left: -40px;
  top: -10px;
}
.card .content {
  display: flex;
  border-bottom: 2px solid var(--gray-color);
  margin-top: 24px;
  padding: 0 0 15px;
}
.card .content i {
  margin-right: 10px;
  font-size: 18px;
}
.card .content i.correct {
  color: var(--green-color);
}
.card .content i.wrong {
  color: var(--red-color);
}
.card .content div {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
.card .content div i {
  color: var(--second-color);
}
.card a {
  width: fit-content;
  padding: 8px 10px;
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
  margin-top: 10px;
  display: block;
  color: white;
}
.card a.free {
  background-color: var(--green-color);
}

.card a.basic {
  background-color: var(--main-btn-blue);
}
.card a.premium {
  background-color: var(--orange-color);
}
.card > p {
  text-align: center;
  color: var(--second-color);
  margin-top: 20px;
}