@import url('http://fonts.cdnfonts.com/css/lato');
@import url('http://fonts.cdnfonts.com/css/cocogoose');

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

html {
  scroll-behavior: smooth;
}

body {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  background-color: rgb(253, 254, 255);
}

nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: sticky;
  left: 0;
  top: 0;
  z-index: 1;
}

nav .top-menu {
  display: none;
}

/**  modal overlay */
.nav-overlay {
  display: flex;
  flex-direction: column;
  align-content: center;
  height: 100%;
  width: 100%;
  margin-top: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;

  /* background: #4756df; */
  background-color: #d3d3d3;
  overflow-y: hidden;
  transition: 0.5s;
}

.nav-overlay img {
  display: none;
}

.nav-overlay .closebtn {
  font-size: 50px;
  top: 15px;
  right: 35px;
  color: #000;
}

nav .bottom-menu {
  display: none;
  width: 100vw;
  background-color: #fff;
  justify-content: space-between;
  align-items: center;
  font-family: 'lato', sans-serif;
  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.1);
}

.burger-button {
  display: flex;
  flex-direction: row;
  width: 100%;
  justify-content: flex-start;
}

nav .burger-menu {
  display: block;
  font-size: 2rem;
  border: 0;
  background-color: transparent;
  cursor: pointer;
}

/**  Welcome Section  **/
.welcome-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  height: 100%;
  background: url('../images/main_big.png');
  background-position: center;
  background-repeat: repeat;
  gap: 2rem;
}

.title {
  display: flex;
  width: 100%;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

.title .paragraph-1 {
  width: 40%;
  height: 30%;
  margin-left: 2rem;
  font-size: 2.5rem;
  color: #ef513c;
  font-family: 'lato', sans-serif;
}

.title .paragraph-2 {
  width: 50%;
  height: 40%;
  margin-left: 2rem;
  font-size: 4.5rem;
  color: #ef513c;
  font-family: 'lato', sans-serif;
  font-weight: 700;
  background: -webkit-linear-gradient(#ef513c, #333);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/**  About page styles  **/
.about-title {
  display: flex;
  flex-direction: column;
  margin-top: 2rem;
  gap: 2rem;
}

.about-header {
  width: 100%;
  height: 40%;
  margin-left: 2rem;
  font-size: 1.5rem;
  color: #ef513c;
  font-family: 'cocogoose', sans-serif;
  font-weight: 700;
  margin-top: 4rem;
}

.about-message {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-message p {
  /* margin-left: 2rem; */
  font-family: 'lato', sans-serif;
  color: rgb(51, 51, 51);
  font-size: 1.015rem;
  text-align: justify;
  width: 90%;
  height: 22vh;
  border: 4px solid #fff;
  background-color: #fff;
  margin-top: 1rem;
  opacity: 0.9;
}

.contact-us {
  display: flex;
  width: 60%;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.contact-us p {
  font-family: 'lato', sans-serif;
  font-size: 1rem;
  opacity: 0.7;
}

.contact-us .email {
  font-family: 'lato', sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.location p {
  margin-left: 2rem;
  font-family: 'lato', sans-serif;
  color: rgb(51, 51, 51);
  font-weight: 900;
  letter-spacing: 0.1rem;
  font-size: 2rem;
}

.locate {
  margin-left: 2rem;
  margin-top: 0.002rem;
  font-family: 'lato', sans-serif;
  font-size: 1.115rem;
  color: rgb(51, 51, 51);
}

/**  program styles  **/
.main-program {
  display: flex;
  flex-direction: column;
  background-repeat: repeat;
  width: 100vw;
  height: 60vh;
  background-color: #fff;

  /* margin-top: 2rem; */
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.main-program h1 {
  color: #000;

  /* margin-top: 4rem; */
  font-family: 'lato', sans-serif;
}

.summit2 {
  display: flex;
  flex-direction: column;
  gap: 0.215rem;
  background: rgba(255, 255, 255, 0.1);
  align-items: center;
  padding: 0.215rem;
  font-family: 'lato', sans-serif;
}

.summit img {
  max-width: 90%;
  max-height: 90%;
}

/* Main Program styles */
.conference {
  display: flex;
  flex-direction: column;
  gap: 0.215rem;
  background: rgba(255, 255, 255, 0.1);
  align-items: center;
  padding: 0.215rem;
  font-family: 'lato', sans-serif;
  justify-content: center;
}

.conference img {
  max-width: 90%;
  max-height: 90%;
}

.conference .text-1 {
  color: rgb(239, 81, 60);
  font-size: 1.115em;
  font-family: 'lato', sans-serif;
}

.conference .text-2 {
  color: rgb(255, 255, 255);
  font-size: 0.813em;
  font-family: 'lato', sans-serif;
}

.exhibition {
  display: flex;
  flex-direction: column;
  gap: 0.215rem;
  width: 15%;
  height: 75%;
  background: rgba(255, 255, 255, 0.1);
  align-items: center;
  margin-left: 2rem;
  padding: 0.215rem;
  font-family: 'lato', sans-serif;
}

.exhibition .text-1 {
  color: rgb(239, 81, 60);
  font-size: 1.115em;
  font-family: 'lato', sans-serif;
}

.exhibition .text-2 {
  color: rgb(255, 255, 255);
  font-size: 0.813em;
  font-family: 'lato', sans-serif;
}

.forum {
  display: flex;
  flex-direction: column;
  gap: 0.215rem;
  width: 15%;
  height: 75%;
  background: rgba(255, 255, 255, 0.1);
  align-items: center;
  margin-left: 2rem;
  padding: 0.215rem;
  font-family: 'lato', sans-serif;
}

.forum .text-1 {
  color: rgb(239, 81, 60);
  font-size: 1.115em;
  font-family: 'lato', sans-serif;
}

.forum .text-2 {
  color: rgb(255, 255, 255);
  font-size: 0.813em;
  font-family: 'lato', sans-serif;
}

.workshop {
  display: flex;
  flex-direction: column;
  gap: 0.215rem;
  width: 15%;
  height: 75%;
  background: rgba(255, 255, 255, 0.1);
  align-items: center;
  margin-left: 2rem;
  padding: 0.215rem;
  font-family: 'lato', sans-serif;
}

.workshop .text-1 {
  color: rgb(239, 81, 60);
  font-size: 1.115em;
  font-family: 'lato', sans-serif;
}

.workshop .text-2 {
  color: rgb(255, 255, 255);
  font-size: 0.813em;
  font-family: 'lato', sans-serif;
}

.party {
  display: flex;
  flex-direction: column;
  gap: 0.215rem;
  width: 15%;
  height: 75%;
  background: rgba(255, 255, 255, 0.1);
  align-items: center;
  margin-left: 2rem;
  padding: 0.215rem;
  font-family: 'lato', sans-serif;
}

.party .text-1 {
  color: rgb(239, 81, 60);
  font-size: 1.115em;
  font-family: 'lato', sans-serif;
}

.party .text-2 {
  color: rgb(255, 255, 255);
  font-size: 0.813em;
  font-family: 'lato', sans-serif;
}

.main-program a {
  display: block;
  margin-bottom: 2rem;
  text-decoration: none;
  font-size: 1.112em;
  font-family: 'lato', sans-serif;
  color: rgb(255, 255, 255);
}

/**  Speakers sectio styles  **/
.speakers {
  background-color: #fff;
  opacity: 0.9;
  filter: grayscale(1px);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  height: 100%;
  color: #000;
  display: flex;
  flex-direction: column;
  align-content: center;
  text-align: center;
}

.speakers h2 {
  margin-top: 2rem;
}

.speakersContainer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 4rem;
  margin-left: 3rem;
  margin-right: 3rem;
}

.speakerItem {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-content: center;
  margin-bottom: 2rem;
}

.speakerItem img {
  background-color: #fff;
}

.profile {
  text-align: left;
  margin-left: 0.5rem;
  width: 100%;
}

.profile img {
  width: 1rem;
  position: relative;
  top: -0.25rem;
}

.profile h2 {
  color: #000;
  margin-top: auto;
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.profile h3 {
  color: #ec5242;
  margin-top: auto;
  font-style: italic;
  font-size: 0.8rem;
  font-weight: 400;
}

.profile p {
  text-align: left;
  font-size: 0.6rem;
  line-height: 0.8rem;
}

/***  Main speakers section styles */

.sponsor-section {
  display: flex;
  flex-direction: column;
  background-color: #2e3139;
  background-repeat: repeat;
  width: 95vw;
  height: 25vh;
  margin-top: 2rem;
  align-items: center;
  gap: 1rem;
  margin-left: 0.5rem;
}

.sponsor-section h1 {
  color: #fff;
  margin-top: 2rem;
  font-family: 'lato', sans-serif;
}

.line-1 {
  width: 5%;
  border-bottom: 1px solid rgb(239, 81, 60);
  margin-top: 0.015rem;
}

.sponsorList {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
  width: 90vw;
  height: 90vw;
  color: #fff;
}

.sponsorList ul {
  display: flex;
  flex-direction: row;
  align-items: center;
  list-style-type: none;
  gap: 2rem;
  font-family: 'lato', sans-serif;
}

.sponsorList ul img {
  width: 2.55rem;
  height: 2.55rem;
}

.footer-section {
  width: 100vw;
  height: 45vh;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  margin-top: 2rem;
}

.footer ul {
  display: flex;
  flex-direction: column;

  /* margin-top: 3rem; */
  justify-content: center;
  align-items: center;
  list-style: none;
  gap: 0.115rem;
  font-size: 0.85rem;
  font-family: 'lato', sans-serif;
}

.footer ul img {
  max-width: 70%;
  max-height: 70%;
}

.footer p {
  font-family: 'lato', sans-serif;
  font-size: 1.7rem;
  font-weight: 400;
  color: #000;
}

.footer .logo-text {
  font-family: 'lato', sans-serif;
  font-size: 1.015rem;
  font-weight: 400;
  color: #000;
  opacity: 0.7;
  margin-left: 1rem;
}

.about-footer {
  display: flex;
  margin-left: 2rem;
  width: 90vw;
  height: 20vh;
  justify-content: center;
  align-items: center;
  color: #000;
  background-color: #fff;
}

.about-footer ul {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  list-style: none;
  font-size: 0.85rem;
  font-family: 'lato', sans-serif;
  color: #000;
}

.about-footer img {
  max-width: 50%;
  max-height: 50%;
}

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

  html {
    scroll-behavior: smooth;
  }

  body {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    background-color: rgb(253, 254, 255);
  }

  nav .top-menu {
    display: flex;
    width: 100vw;
    background-color: #3e3e3e;
    justify-content: space-between;
  }

  .top-menu ul {
    width: 90%;
    display: flex;
    gap: 1.8rem;
    margin-top: 0;
    list-style-type: none;
    justify-content: flex-end;
    opacity: 0.9;
    font-size: 0.8rem;
    font-family: 'lato', sans-serif;
  }

  .top-menu a {
    text-decoration: none;
    color: #fff;
    opacity: 0.9;
    font-size: 0.8rem;
    font-family: 'lato', sans-serif;
  }

  nav .bottom-menu {
    display: flex;
    width: 100vw;
    background-color: #fff;
    justify-content: space-between;
    align-items: center;
    font-family: 'lato', sans-serif;
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.1);
  }

  .bottom-menu ul {
    display: flex;
    gap: 4.9rem;
    width: 100%;
    list-style: none;
    background-color: #fff;
    padding: 1.6rem 3.5rem;
    align-items: center;
  }

  nav .bottom-menu img {
    max-width: 50%;
    max-height: 50%;
  }

  .bottom-menu ul a {
    text-decoration: none;
    color: rgb(136, 136, 136);
    font-weight: 700;
    font-size: 0.938em;
  }

  .bottom-menu ul .presentation {
    text-decoration: none;
    border: 2px solid #ef513c;
    padding: 10px;
    color: rgb(136, 136, 136);
  }

  nav .burger-menu {
    display: none;
    font-size: 2rem;
    border: 0;
    background-color: transparent;
    cursor: pointer;
  }

  nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: sticky;
    left: 0;
    top: 0;
    z-index: 1;
  }

  .burger-menu {
    font-size: 2rem;
    border: 0;
    background-color: transparent;
    cursor: pointer;
    display: none;
  }

  /**  Welcome Section  **/
  .welcome-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    height: 100%;
    background: url('../images/main_big.png');
    background-position: center;
    background-repeat: repeat;
    gap: 2rem;
  }

  .about-title {
    display: flex;
    flex-direction: row;
    margin-top: 4rem;
    justify-content: center;
  }

  .title .paragraph-1 {
    width: 40%;
    height: 30%;
    margin-left: 2rem;
    font-size: 2.5rem;
    color: #ef513c;
    font-family: 'lato', sans-serif;
  }

  .title .paragraph-2 {
    width: 50%;
    height: 40%;
    margin-left: 2rem;
    font-size: 4.5rem;
    color: #ef513c;
    font-family: 'lato', sans-serif;
    font-weight: 700;
    background: -webkit-linear-gradient(#ef513c, #333);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  /**  About page styles  **/

  .about-header {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 40%;

    /* margin-left: 2rem; */
    font-size: 2.5rem;
    color: #ef513c;
    font-family: 'cocogoose', sans-serif;
    font-weight: 700;
    margin-top: 4rem;
  }

  .about-message {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .about-message p {
    margin-left: 2rem;
    font-family: 'lato', sans-serif;
    color: rgb(51, 51, 51);
    font-size: 1.015rem;
    text-align: justify;
    width: 50%;
    height: 18vh;
    border: 4px solid #fff;
    background-color: #fff;
    margin-top: 1rem;
    opacity: 0.9;
  }

  .contact-us {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .contact-us p {
    font-family: 'lato', sans-serif;
    font-size: 1rem;
  }

  .contact-us .email {
    font-family: 'lato', sans-serif;
    font-size: 1rem;
    font-weight: 700;
  }

  .location p {
    margin-left: 2rem;
    font-family: 'lato', sans-serif;
    color: rgb(51, 51, 51);
    font-weight: 900;
    letter-spacing: 0.1rem;
    font-size: 2rem;
  }

  .locate {
    margin-left: 2rem;
    margin-top: 0.002rem;
    font-family: 'lato', sans-serif;
    font-size: 1.115rem;
    color: rgb(51, 51, 51);
  }

  /**  program styles  **/
  .main-program {
    display: flex;
    flex-direction: column;
    background-repeat: repeat;
    width: 100vw;
    height: 60vh;
    background-color: #fff;
    margin-top: 2rem;
    align-items: center;
    gap: 1rem;
  }

  .main-program h1 {
    color: #000;
    margin-top: 4rem;
    font-family: 'lato', sans-serif;
  }

  /* .line-1 {
    width: 5%;
    border-bottom: 1px solid rgb(239, 81, 60);
    margin-top: 0.015rem;
  } */

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

  .summit img {
    max-width: 100%;
    max-height: 100%;
  }

  .summit2 {
    display: flex;
  }

  /* Main Program styles */
  .conference {
    display: flex;
  }

  .conference img {
    max-width: 100%;
    max-height: 100%;
  }

  .conference .text-1 {
    color: rgb(239, 81, 60);
    font-size: 1.115em;
    font-family: 'lato', sans-serif;
  }

  .conference .text-2 {
    color: rgb(255, 255, 255);
    font-size: 0.813em;
    font-family: 'lato', sans-serif;
  }

  .exhibition {
    display: flex;
    flex-direction: column;
    gap: 0.215rem;
    width: 15%;
    height: 75%;
    background: rgba(255, 255, 255, 0.1);
    align-items: center;
    margin-left: 2rem;
    padding: 0.215rem;
    font-family: 'lato', sans-serif;
  }

  .exhibition .text-1 {
    color: rgb(239, 81, 60);
    font-size: 1.115em;
    font-family: 'lato', sans-serif;
  }

  .exhibition .text-2 {
    color: rgb(255, 255, 255);
    font-size: 0.813em;
    font-family: 'lato', sans-serif;
  }

  .forum {
    display: flex;
    flex-direction: column;
    gap: 0.215rem;
    width: 15%;
    height: 75%;
    background: rgba(255, 255, 255, 0.1);
    align-items: center;
    margin-left: 2rem;
    padding: 0.215rem;
    font-family: 'lato', sans-serif;
  }

  .forum .text-1 {
    color: rgb(239, 81, 60);
    font-size: 1.115em;
    font-family: 'lato', sans-serif;
  }

  .forum .text-2 {
    color: rgb(255, 255, 255);
    font-size: 0.813em;
    font-family: 'lato', sans-serif;
  }

  .workshop {
    display: flex;
    flex-direction: column;
    gap: 0.215rem;
    width: 15%;
    height: 75%;
    background: rgba(255, 255, 255, 0.1);
    align-items: center;
    margin-left: 2rem;
    padding: 0.215rem;
    font-family: 'lato', sans-serif;
  }

  .workshop .text-1 {
    color: rgb(239, 81, 60);
    font-size: 1.115em;
    font-family: 'lato', sans-serif;
  }

  .workshop .text-2 {
    color: rgb(255, 255, 255);
    font-size: 0.813em;
    font-family: 'lato', sans-serif;
  }

  .party {
    display: flex;
    flex-direction: column;
    gap: 0.215rem;
    width: 15%;
    height: 75%;
    background: rgba(255, 255, 255, 0.1);
    align-items: center;
    margin-left: 2rem;
    padding: 0.215rem;
    font-family: 'lato', sans-serif;
  }

  .party .text-1 {
    color: rgb(239, 81, 60);
    font-size: 1.115em;
    font-family: 'lato', sans-serif;
  }

  .party .text-2 {
    color: rgb(255, 255, 255);
    font-size: 0.813em;
    font-family: 'lato', sans-serif;
  }

  .main-program a {
    display: block;
    margin-bottom: 2rem;
    text-decoration: none;
    font-size: 1.112em;
    font-family: 'lato', sans-serif;
    color: rgb(255, 255, 255);
  }

  /**  Speakers sectio styles  **/
  .speakers {
    background-color: #fff;
    opacity: 0.9;
    filter: grayscale(1px);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    height: 100%;
    color: #000;
    display: flex;
    flex-direction: column;
    align-content: center;
    text-align: center;
  }

  .speakers h2 {
    margin-top: 2rem;
  }

  .speakersContainer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 4rem;
    margin-left: 3rem;
    margin-right: 3rem;
  }

  .speakerItem {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-content: center;
    margin-bottom: 2rem;
  }

  .speakerItem img {
    background-color: #fff;
  }

  .profile {
    text-align: left;
    margin-left: 0.5rem;
    width: 100%;
  }

  .profile img {
    width: 1rem;
    position: relative;
    top: -0.25rem;
  }

  .profile h2 {
    color: #000;
    margin-top: auto;
    margin-bottom: 0.25rem;
    font-size: 1rem;
  }

  .profile h3 {
    color: #ec5242;
    margin-top: auto;
    font-style: italic;
    font-size: 0.8rem;
    font-weight: 400;
  }

  .profile p {
    text-align: left;
    font-size: 0.6rem;
    line-height: 0.8rem;
  }

  /***  Main speakers section styles */

  .sponsor-section {
    /* display: flex; */
    display: none;
    flex-direction: column;
    background-color: #2e3139;
    background-repeat: repeat;
    width: 100vw;
    height: 25vh;
    margin-top: 2rem;
    align-items: center;
    gap: 1rem;
  }

  .sponsor-section h1 {
    color: #fff;
    margin-top: 2rem;
    font-family: 'lato', sans-serif;
  }

  .line-1 {
    width: 5%;
    border-bottom: 1px solid rgb(239, 81, 60);
    margin-top: 0.015rem;
  }

  .sponsorList {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    width: 100vw;
    height: 100vw;
    color: #fff;
  }

  .sponsorList ul {
    display: flex;
    flex-direction: row;
    align-items: center;
    list-style-type: none;
    gap: 2rem;
    font-family: 'lato', sans-serif;
  }

  .sponsorList ul img {
    width: 2.55rem;
    height: 2.55rem;
  }

  .footer-section {
    width: 100vw;
    height: 30vh;
    justify-content: center;
    align-items: center;
    background-color: #fff;
    margin-top: 2rem;
  }

  .footer ul {
    display: flex;
    flex-direction: column;
    margin-top: 3rem;
    justify-content: center;
    align-items: center;
    list-style: none;
    gap: 0.115rem;
    font-size: 0.85rem;
    font-family: 'lato', sans-serif;
  }

  .footer ul img {
    max-width: 70%;
    max-height: 70%;
  }

  .footer p {
    font-family: 'lato', sans-serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: #000;
  }

  .footer .logo-text {
    font-family: 'lato', sans-serif;
    font-size: 1.015rem;
    font-weight: 400;
    color: #000;
  }

  .about-footer {
    display: flex;
    width: 100vw;
    height: 20vh;
    justify-content: center;
    align-items: center;
    color: #fff;
    background-color: #000;
    margin-top: 4rem;
    margin-left: 0;
  }

  .about-footer ul {
    display: flex;
    flex-direction: row;
    margin-top: 3rem;
    justify-content: center;
    align-items: center;
    list-style: none;
    gap: 0.115rem;
    font-size: 0.85rem;
    font-family: 'lato', sans-serif;
    color: #fff;
  }

  .about-footer img {
    max-width: 50%;
    max-height: 50%;
  }

  .nav-overlay {
    all: unset;
    flex-direction: column;
    height: 100%;
    width: 100%;
    margin-top: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    background: #4756df;
    overflow-y: hidden;
    transition: 0.5s;
    opacity: 0.96;
    display: none;
  }

  /**  unset nav overlay  **/
}