@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700;800;900&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

:root {
  --h1-color: rgb(35, 53, 85);
  --a-color: rgb(21, 21, 100);
  --a-font-size: 16px;
  --a-font-weight: 500;
  --home-background-image: linear-gradient(
      rgba(9, 5, 54, 0.3),
      rgba(5, 4, 46, 0.7)
    ),
    url();
  --about-background-image: linear-gradient(
      rgba(9, 5, 54, 0.3),
      rgba(5, 4, 46, 0.7)
    ),
    url(images/back1.jpg);
  --h2-color: rgb(21, 21, 100);
  --p-color: #fff;
  --nav-background-color: #fff;
  --blue-btn-color: #3a8dff;
  --yellow-btn-color: #fdc93b;
  --card-background-color: #f5f5f5;
  --icon-color: rgb(44, 44, 80);
}
body {
  font-family: "Poppins", sans-serif;
}
main {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

svg {
  width: 2vw;
}

/* Global Tags */

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: rgb(255, 255, 255);
}

span {
  font-size: 0.9rem;
  color: #757373;
}

h6 {
  font-size: 1.1rem;
  color: rgb(24, 24, 49);
}
/*HEADER*/
/* Navigation */
nav {
  background-color: #f5f5f5;
  box-shadow: 3px 3px 5px rgba(0, 0, 0, 0.1);
  z-index: 999;
}
nav img {
  width: 100px;
}
nav ul {
  width: 100%;
  list-style: none;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

nav li {
  height: 50px;
}

nav a {
  height: 100%;
  padding: 0 30px;
  text-decoration: none;
  display: flex;
  align-items: center;
  color: #141b4d;
  font-weight: var(--a-font-weight);
  font-size: var(--a-font-size);
  background-color: #f5f5f5;
}

nav a:hover {
  background-color: #f0f0f0;
  color: #3a8dff;
}

nav li:first-child {
  margin-right: auto;
}
svg {
  color: black;
}

.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 250px;
  z-index: 999;
  background-color: rgba(255, 255, 255, 0.493);
  backdrop-filter: blur(10px);
  box-shadow: -10px 0 10px rgba(0, 0, 0, 0.1);
  display: none;
  flex-direction: column;
  align-self: flex-start;
  justify-content: flex-start;
}

.sidebar li {
  width: 100%;
}

.sidebar a {
  width: 100%;
}
.menu-bitton {
  display: none;
}

/* Home */
#Home {
  background-image: var(--home-background-image), url(/images/home.jpg);
  width: 100%;
  height: 100vh;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: 40px;
}
#Home h1 span {
  color: #3a8dff;
  font-size: 3rem;
}
#Home h2 {
  color: var(--h2-color);
  font-size: 2.2rem;
  letter-spacing: 1px;
}
#Home p {
  width: 50%;
  color: #fff;
  font-size: 0.9rem;
  line-height: 25px;
}

#Home .btn {
  margin-top: 30px;
}

#Home a {
  text-decoration: none;
  font-size: 0.9rem;
  padding: 13px 35px;
  background-color: var(--p-color);
  font-weight: 600px;
  border-radius: 5px;
}
#Home a.blue {
  color: var(--p-color);
  background-color: var(--blue-btn-color);
  transition: 0.3s ease;
}
#Home a.blue:hover {
  color: var(--blue-btn-color);
  background-color: var(--p-color);
}

#Home a.yellow {
  color: var(--p-color);
  background-color: var(--yellow-btn-color);
  transition: 0.3s ease;
}
#Home a.yellow:hover {
  color: var(--yellow-btn-color);
  background-color: var(--p-color);
}
/* features */
#features {
  padding: 5vw 8vw 0 8vw;
  text-align: center;
  font-size: 1.8rem;
  width: 90vw;
  align-items: center;
  justify-content: center;
}
#features h2 {
  color: #3a8dff;
}
#features .fea-base {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  grid-gap: 1rem;
  margin-top: 50px;
}
#features .fea-box {
  background-color: var(--card-background-color);
  text-align: center;
  justify-content: center;
  padding: 10px;
  border-radius: 15px;
}

#features .fea-box svg {
  color: var(--icon-color);
}
#features .fea-box h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #333333;
  padding: 13px 0 7px 0;
}

#features .fea-box a {
  font-size: 1rem;
  font-weight: 400;
  color: #3a8dff;
  padding: 13px 0 7px 0;
  text-decoration: none;
  text-align: center;
}
#features .fea-box a:hover {
  color: #3a8cffbd;
}
#features .fea-box img {
  height: 200px;
}
/* course */
#course {
  padding: 12vw 12vw 12vw 12vw;
  text-align: center;
  background-color: #f5f5f5;
  margin-bottom: 10px;
  margin-top: 20px;
  border-radius: 25px;
}
#course h2 {
  color: #3a8dff;
  font-size: 1.8rem;
}
#course p {
  font-size: 1.4rem;
  font-weight: 500;
}
#course .course-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  grid-gap: 1rem;
  margin-top: 50px;
}
#course .courses {
  text-align: center;
  justify-content: center;
  background-color: #ffffff;
  height: 100%;
  position: relative;
}
#course .courses img {
  height: 200px;
  background-size: cover;
  background-position: center;
}
#course .courses .details {
  padding: 15px 15px 0 15px;
}
#course .detailss {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
}

#course .detailss a {
  text-decoration: none;
  background-color: #3a8dff;
  color: #fff;
  padding: 20px;
  border-radius: 20px;
  font-weight: bolder;
  font-size: larger;
}
#course .detailss a:hover {
  background-color: #3a8dff;
  padding: 30px;
  transition: 0.1s ease;
  border-radius: 40px;
}
#course .courses .details i {
  color: var(--yellow-btn-color);
}

/* registration */
#Registration {
  padding: 6vw 8vw 6vw 8vw;
  background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
    url(images/contact.jpg);
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#Registration .reminder {
  color: var(--p-color);
}
#Registration h1 {
  color: var(--p-color);
}
#Registration .reminder .time {
  display: flex;
  margin-top: 40px;
}

#Registration .reminder .time .date {
  text-align: center;
  padding: 13px 33px;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  border-radius: 5px;
  margin: 0 5px 10px 5px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 600;
}
#Registration form h3 {
  color: #fff;
}
#Registration form {
  width: 30vw;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  padding: 60px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}
#Registration form input {
  height: 8vh;
  width: 100%;
  margin: 15px 0;
  padding: 30px 10px;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  border-radius: 20px;
  border: none;
}
#Registration form textarea {
  height: 30vh;
  width: 20vw;
  margin: 15px 0;
  padding: 30px 10px;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  border-radius: 20px;
}
#Registration form .a {
  color: var(--p-color);

  transition: 0.3s ease;
  border-radius: 50px;
  text-decoration: none;
  font-size: 0.9rem;
  padding: 13px 35px;
  background-color: #3a8dff;
  font-weight: 600px;
  border-radius: 5px;
  text-align: center;
  cursor: pointer;
}
#Registration form .a:hover {
  color: #3a8dff;
  background-color: #ffff;
}
/* experts */

#expers {
  padding: 8vw 8vw 8vw 8vw;
  text-align: center;
}
#expers .expert-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  grid-gap: 1rem;
  margin-top: 50px;
  align-items: center;
  justify-content: center;
}
#expers .expert-box .profile {
  background-color: var(--card-background-color);
  padding: 30px 10px;
}
.pro-links {
  margin-top: 10px;
}

.pro-links i {
  padding: 10px 13px;
  border: 1px solid rgb(21, 21, 100);
  cursor: pointer;
}
/* footer */
footer {
  margin-top: 5px;
  padding: 8vw;
  background-color: #333333;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
}
footer .footer-col {
  padding: bottom 40px;
}
footer h3 {
  color: #f5f5f5;
  font-weight: 600;
  padding-bottom: 30px;
}

footer li {
  list-style: none;
  color: #f5f5f5;
  padding: 10px 0;
  font-size: 20px;
  cursor: pointer;
  transition: 0.3s ease;
  text-decoration: none;
}
footer li a {
  list-style: none;
  color: #f5f5f5;
  padding: 10px 0;
  font-size: 20px;
  cursor: pointer;
  transition: 0.3s ease;
  text-decoration: none;
}
footer li img {
  width: 30px;
}
footer li:hover {
  color: var(--card-background-color);
  font-weight: bold;
}

footer li a:hover {
  color: var(--card-background-color);
}
footer p {
  color: #7b838a;
}
footer .subscribe {
  margin: 20px;
}
footer input {
  width: 220px;
  padding: 15px 12px;
  background-color: #334f6c;
  border: none;
  outline: none;
  color: #fff;
}
footer .copyright {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  flex-wrap: wrap;
}