:root {
  --white: #fff;
  --black: #1c2b2d;
  --blue: #31326f;
  --light-blue: #005490;
  --color-primary: #9d0191;
  --color-sec: #db6400;
  --color-grey: #eee;
  --color-dark-grey: #222831;
  --heading-font-family: 'Cocogoose', sans-serif;
  --main-font-family: 'Lato', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100%;
  font-family: 'Lato', sans-serif;
}

.begin {
  background-image: url('images/mobile-background.png');
  background-repeat: no-repeat;
  background-size: cover;
  padding-left: 10px;
  padding-right: 10px;
  padding-bottom: 100px;
}

header {
  height: 100px;
  width: 100%;
  background-image: url('images/mobile-background.png');
  background-repeat: no-repeat;
  background-size: cover;
  position: fixed;
  right: 0.2px;
  z-index: 10;
}

header .fa-solid {
  position: fixed;
  margin-top: 30px;
  font-size: 40px;
  color: #272a31;
  cursor: pointer;
  margin-left: 30px;
  z-index: 20;
}

nav span {
  display: none;
}

nav ul {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 50px;
  padding: 100px 30px;
  position: relative;
}

.top-header ul {
  display: none;
}

.sub-header {
  background-image: url('images/mobile-background.png');
  background-repeat: no-repeat;
  background-size: cover;
  height: 100vh;
  display: none;
}

footer img {
  width: 100px;
}

.img-holder img {
  width: 150px;
  height: 150px;
  position: absolute;
  right: 15px;
  top: 18px;
}

.spons img {
  padding: 5px;
  width: 70px;
  height: 30px;
}

.program-image img {
  width: 50px;
  height: 50px;
  color: #920808;
}

.sub-header a img {
  display: none;
}

.sub-header .fa-xmark {
  display: block;
  position: absolute;
  color: #272a31;
  font-size: 45px;
  top: -2px;
  right: 30px;
}

nav ul li {
  list-style-type: none;
  padding: 10px;
}

ul li a {
  text-decoration: none;
  color: #272a31;
  font-size: 25px;
}

.introduction {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.introduction h2 {
  text-align: left;
  color: rgb(85, 84, 84);
  font-size: 35px;
  padding-top: 15px;
  padding-left: 5px;
  padding-right: 5px;
}

.introduction .intro-text {
  border: 6px solid rgb(255, 255, 255);
  padding: 10px 50px 10px 50px;
  background-color: rgb(240, 236, 236);
  text-align: center;
  font-size: 18px;
  color: grey;
}

.intro-heading {
  text-align: left;
  margin-top: 5px;
  margin-top: 150px;
}

.intro-heading h1 {
  font-size: 40px;
  padding-top: 10px;
  padding-bottom: 10px;
  -webkit-background-clip: text;
  color: transparent;
  background-image: url('images/text_bg.jpeg');
}

.intro-heading p {
  font-size: 26px;
  color: #f64e39;
}

.introduction span {
  color: rgb(77, 77, 77);
  padding-top: 10px;
  font-size: 18px;
}

.main-program {
  align-items: center;
  justify-self: center;
  text-align: center;
  padding-top: 10px;
  padding-bottom: 10px;
  background: url('images/main-background-icon.PNG');
  background-size: cover;
  background-repeat: no-repeat;
  color: #fff;
}

.main-program hr {
  background-color: #ec5242;
  width: 10%;
  height: 3px;
  margin: auto;
  position: relative;
  top: 5px;
}

.main-program a {
  display: none;
}

.program {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 15px;
  justify-content: center;
  gap: 15px;
  margin-top: 20px;
}

.program-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.icon-image {
  margin-left: 20px;
}

.main-program button {
  padding: 20px 60px;
  border: none;
  background-color: #ec5242;
  color: #fff;
  font-size: 22px;
  width: 375px;
}

.img-holder .bg {
  width: 100px;
  height: 100px;
  position: relative;
  right: 60px;
  top: -1px;
}

.program-image {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 375px;
  background: rgba(186, 167, 167, 0.1);
  padding: 15px;
  height: 150px;
}

.sponsors p {
  font-weight: bolder;
  font-size: 25px;
  color: #919190;
}

.program-name {
  color: #f64e39;
}

.program-text {
  width: 240px;
  height: auto;
  text-align: left;
  color: white;
  align-items: center;
  margin-right: 10px;
}

.featured-guests {
  display: flex;
  flex-direction: column;
  padding: 50px 25px;
  text-align: center;
}

.featured-guests h2 {
  font-size: 35px;
}

.featured-guests .hr-line {
  position: relative;
  height: 2px;
  background-color: #f64e39;
  top: 20px;
  width: 15%;
  margin: auto;
}

.speakers {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: row;
  padding-top: 20px;
  padding-bottom: 10px;
  gap: 10px;
  margin-top: 10px;
  margin-bottom: 30px;
  margin-left: 30px;
}

.speakers:nth-child(n+3) {
  display: none;
}

.img-holder {
  position: relative;
  width: 150px;
  height: 150px;
}

.text-holder {
  width: 60%;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.name {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-top: 20px;
  margin-bottom: 20px;
}

.text-holder hr {
  width: 10%;
  height: 2px;
  background-color: dimgrey;
}

.text-holder i {
  color: #ec5242;
}

.more-info {
  display: flex;
  align-items: center;
  width: 80%;
  font-size: 22px;
  justify-content: center;
  border: 1px solid rgb(79, 78, 78);
  margin: auto;
  text-align: center;
  padding: 20px;
  cursor: pointer;
}

.less-info {
  display: none;
  align-items: center;
  width: 80%;
  font-size: 22px;
  justify-content: center;
  border: 1px solid rgb(79, 78, 78);
  margin: auto;
  text-align: center;
  padding: 20px;
  cursor: pointer;
}

.more-info .fa-chevron-down {
  color: #ec5242;
  font-weight: bold;
  font-size: 22px;
  padding-left: 3px;
}

.fa-chevron-up {
  margin-bottom: -5px;
}

.less-info .fa-chevron-up {
  color: #ec5242;
  font-weight: bold;
  font-size: 22px;
  padding-left: 5px;
  align-items: center;
}

.sponsors {
  margin-top: 50px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: #414246;
  padding: 40px 10px;
}

.sponsors hr {
  margin: auto;
  height: 2px;
  background-color: #920808;
  width: 5%;
  border: none;
}

.spons {
  display: flex;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 50px;
  padding: 10px 10px;
}

@media only screen and (min-width: 768px) {
  * {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Lato', sans-serif;
  }

  .fa-bars {
    display: none;
  }

  header {
    height: 70px;
    z-index: 10;
  }

  .top-header {
    padding-left: 100px;
    padding-right: 100px;
    background-color: #3e3e3e;
    height: 35px;
  }

  nav ul {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
    padding: 0;
  }

  .top-header ul {
    display: flex;
    flex-direction: row;
    justify-content: end;
    align-items: center;
  }

  nav ul li {
    list-style: none;
    padding-right: 40px;
    padding-left: 40px;
  }

  .top-header ul li {
    list-style-type: none;
    padding: 10px;
  }

  ul li a {
    text-decoration: none;
    color: black;
    font-size: 18px;
  }

  .begin {
    padding-bottom: 1px;
  }

  .main-program a {
    color: #fff;
    bottom: -35px;
    position: relative;
    display: block;
  }

  .main-program {
    height: 500px;
  }

  .top-header ul li a {
    text-decoration: none;
    color: #fff;
  }

  .sub-header {
    display: flex;
    height: 58px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-left: 100px;
    padding-right: 100px;
    border-color: #fff;
    background: #fff;
  }

  footer img {
    width: 150px;
    height: 70px;
  }

  .spons img {
    padding: 10px;
    width: 100%;
    height: 60px;
  }

  .sub-header a img {
    width: 100px;
    height: 50px;
    padding-top: 5px;
    display: block;
  }

  .sub-header .fa-xmark {
    display: none;
  }

  nav {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    cursor: pointer;
  }

  .nav-link.active,
  .nav-link:hover {
    color: red;
  }

  .begin h2,
  span {
    margin: 10px 0;
  }

  nav span {
    text-align: center;
    margin: auto;
    font-size: 18px;
    border: 3px solid #f94129;
    color: #f94129;
    padding: 5px 25px;
  }

  .introduction {
    display: flex;
    justify-content: left;
    text-align: left;
    padding-left: 100px;
    padding-right: 100px;
    padding-bottom: 150px;
    background: url('images/desktop-background.png');
    background-repeat: no-repeat;
  }

  .introduction-head {
    margin-top: 170px;
  }

  .introduction-head p {
    font-size: 35px;
    color: #f94129;
  }

  .intro-heading h1 {
    width: 70%;
    font-size: 55px;
    font-weight: 700;
    -webkit-background-clip: text;
    color: transparent;
    background-image: url('images/text_bg.jpeg');
  }

  .main-program hr {
    margin-top: 20px;
    width: 5%;
    border: none;
  }

  .main-program h2 {
    margin-top: 40px;
  }

  .program {
    display: flex;
    flex-direction: row;
  }

  .icon-image {
    margin-left: 0;
  }

  .introduction .intro-text {
    margin-top: 10px;
    margin-bottom: 10px;
    width: 600px;
    text-align: left;
  }

  .program-name {
    color: #f94129;
  }

  .program-list {
    display: flex;
    flex-direction: row;
    justify-content: center;
    height: 220px;
    gap: 20px;
  }

  .program-image {
    display: flex;
    height: 220px;
    flex-direction: column;
    width: 160px;
  }

  .program-image:hover {
    border: 2px solid #fff;
  }

  .program-text {
    width: 150px;
    text-align: center;
    height: 60%;
    padding: 10px 5px;
    font-size: 14px;
    color: #fff;
  }

  .program button {
    display: none;
  }

  .featured-guests h2 {
    margin-top: 20px;
  }

  .featured-guests .hr-line {
    width: 5%;
    margin: auto;
    height: 3px;
    background: #f94129;
  }

  .speaker-holder {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-self: center;
    justify-self: center;
    padding: 50px;
    margin: auto;
  }

  .speakers {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: row;
    padding-top: 20px;
    padding-bottom: 20px;
    gap: 10px;
    margin-top: 20px;
    margin-bottom: 40px;
  }

  .speakers:nth-child(n+1) {
    display: flex;
  }

  .more-info {
    display: none;
  }

  .less-info {
    display: none;
  }

  .sponsors {
    width: 100%;
  }

  footer {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 40px;
    gap: 100px;
  }
}