html,
body {
  padding: 0;
  margin: 0;
  background: #121212;
  font-family: "avenir_regular";
}
a {
  color: inherit;
  text-decoration: none;
}
* {
  box-sizing: border-box;
}

/***** FONTS *****/
@font-face {
  font-family: "poppins_semibold";
  src: url("./fonts/Poppins-SemiBold.ttf");
}
@font-face {
  font-family: "poppins_medium";
  src: url("./fonts/Poppins-Medium.ttf");
}
@font-face {
  font-family: "avenir_medium";
  src: url("./fonts/Avenir-medium.otf");
}
@font-face {
  font-family: "avenir_regular";
  src: url("./fonts/Avenir-regular.otf");
}

/***** TYPOGRAPHY *****/
h1,
h2,
h3,
h4 {
  font-family: "poppins_medium";
}
h5,
h6 {
  font-family: "avenir_medium";
}
p {
  font-family: "avenir_regular";
}
button {
  font-family: "avenir_medium";
  color: white;
  outline: none;
  background: red;
  background: linear-gradient(to right, #131c89, #087cf0);
  border-radius: 8px;
  padding: 6px 20px;
  border: none;
}
section {
  padding: 100px 0px;
}
.section_title {
  color: white;
  text-align: center;
}
.section_title span {
  position: relative;
}
.section_title span:before {
  content: "";
  position: absolute;
  width: 70px;
  height: 2px;
  background: white;
  top: 50%;
  left: -100px;
}
.section_title span::after {
  content: "";
  position: absolute;
  width: 70px;
  height: 2px;
  background: white;
  top: 50%;
  right: -100px;
}
@media (max-width: 992px) {
  section {
    padding: 50px 0px;
  }
  .section_title {
    font-size: 22px !important;
  }
  .section_title span:before {
    width: 30px;
    left: -40px;
  }
  .section_title span::after {
    width: 30px;
    right: -40px;
  }
}

/***** BANNER *****/
.banner {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
header {
  background: #151515;
  position: fixed;
  top: 0;
  width: 100%;
}
header img:first-child {
  width: 120px;
  height: 50px;
  object-fit: contain;
}
.banner_container {
  margin-top: 200px;
}
.banner_container h1 {
  font-size: 45px;
}
.banner_container input {
  width: 80%;
  border-radius: 8px;
  border: none;
  background: #212121;
  padding: 10px;
  outline: none;
  color: white;
  display: block;
  margin-top: 15px;
  margin-bottom: 20px;
}
.banner .top_arc {
  position: absolute;
  top: -80px;
  right: -80px;
  z-index: -1;
}
.bottom_arc {
  position: absolute;
  max-width: 50%;
  top: 80vh;
  left: -250px;
}
.menu_icon {
  display: none;
  cursor: pointer;
}
.mobile_navbar {
  position: fixed;
  height: 100%;
  top: 0;
  right: 0;
  width: 250px;
  background: white;
  z-index: 10;
  padding: 20px;
  padding-top: 50px;
  transform: translateX(100%);
  transition: 0.4s;
}
.mobile_navbar.active {
  transform: none;
}
.mobile_navbar span {
  position: absolute;
  top: 0px;
  right: 20px;
  font-size: 40px;
  cursor: pointer;
}
.mobile_navbar a {
  display: block;
  margin-bottom: 20px;
}
@media (max-width: 992px) {
  .menu_icon {
    display: block;
  }
  .banner {
    text-align: center;
    min-height: auto;
  }
  .banner header button,
  .banner header nav {
    display: none !important;
  }
  .banner_container h1 {
    font-size: 30px;
  }
  .banner_container input {
    width: 100%;
  }
  .banner_container {
    margin-top: 100px;
  }
}

/***** ABOUT US *****/
.about_us_container {
  max-width: 1000px;
}

/***** SPONSORS *****/
.sponsors img {
  width: 180px;
  height: 130px;
  object-fit: contain;
}
@media (max-width: 992px) {
  .sponsors img {
    width: 150px;
    height: 100px;
  }
}
@media (max-width: 992px) {
  .sponsors img {
    width: 100px;
    height: 70px;
  }
}

/***** BOARD *****/
.board .board_card {
  background: #222222;
  border-radius: 10px;
  padding: 30px 10px;
  text-align: center;
  color: white;
  margin-bottom: 20px;
}
.board_card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
}
.board_card h6 {
  margin-top: 20px;
}
.board_card p {
  opacity: 0.6;
}

/***** COMMITTEES *****/
.committees .committee_card {
  background: #222222;
  border-radius: 10px;
  padding: 30px 15px;
  text-align: center;
  color: white;
  margin-bottom: 20px;
}
.committee_card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 10px;
}
.committee_card h6 {
  margin-top: 20px;
}
.committee_card p {
  opacity: 0.6;
}

/***** REGISTRATION FEE *****/
.registration_fee .registration_fee_card {
  background: #222222;
  border-radius: 10px;
  padding: 40px 15px;
  text-align: center;
  color: white;
  margin-bottom: 20px;
}
.registration_fee_card div {
  display: inline-flex;
  background: rgba(0, 255, 10, 0.1);
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 13px;
}
.registration_fee_card h4 {
  margin-top: 40px;
}
.registration_fee_card button {
  margin-top: 30px;
}

/***** FOOTER *****/
footer {
  background: #222222;
  padding: 10px;
}
footer p {
  font-size: 14px;
  opacity: 0.6;
  margin: 0;
}