* {
  padding: 0;
  margin: 0;
}

*::before,
*::after {
  box-sizing: border-box;
  text-decoration: none;
  font-family: 'Lato', sans-serif;
}

:root {
  --color-text: #6d6d6d;
  --color-main: #d3d3d3;
  --color-pbg: #272a31;
  --color-mid: #ec5242;
  --color-bg: #f7f7f7;
}

body {
  background-color: white;
}

header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}

.top-nav {
  display: none;
  justify-content: flex-end;
  gap: 18px;
  background-color: #3e3e3e;
  color: #f4f4f4;
  list-style: none;
  font-style: normal;
  font-size: 11px;
  font-weight: 300;
  line-height: 30px;
  padding: 2px 80px 1px 10px;
}

.bottom-nav {
  display: none;
}

.hamburg {
  position: absolute;
  top: 15px;
  left: 15px;
}

#home-page {
  background-image: url(./images/about-bg-mobile.png);
  background-repeat: no-repeat;
  background-color: rgb(245, 245, 245);
  height: 100%;
  width: 100%;
  background-size: 100%;
  display: flex;
  background-position: center;
}

.heading {
  margin-top: 4rem;
}

h1 {
  color: var(--color-mid);
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 2rem;
  line-height: 2rem;
  font-style: normal;
  padding-right: 5%;
}

.title-hr {
  width: 20%;
  border-radius: 4px;
  border: 2px solid red;
  margin: 0 40%;
  text-align: center;
  margin-top: 2px;
  border-color: var(--color-mid);
}

.about-hero-title {
  text-align: center;
  margin: 10px 21px;
}

.some-more {
  color: var(--color-text);
  font-size: 14px;
  font-style: normal;
  font-family: 'Lato', sans-serif;
  font-weight: 400;
  line-height: 2rem;
  padding-top: 2%;
}

.event-details {
  color: var(--color-text);
  font-size: 14px;
  font-style: normal;
  font-family: 'Lato', sans-serif;
  font-weight: 400;
  line-height: 2rem;
  padding: 30px;
}

.description {
  background-color: var(--color-bg);
  border: 4px solid #fff;
  color: var(--color-text);
  font-size: 13px;
  font-style: normal;
  font-family: 'Lato', sans-serif;
  font-weight: 300;
  line-height: 1rem;
  margin-right: 3%;
  margin-top: 20px;
  width: 100%;
  padding-bottom: 35px;
}

.Date {
  color: black;
  font-family: 'Lato', sans-serif;
  font-style: normal;
  font-weight: 600;
  font-size: 1rem;
  line-height: 2rem;
  padding-top: 2%;
  padding-left: 13%;
}

.seeyou {
  color: var(--color-text);
  font-size: 15px;
  font-style: normal;
  font-weight: 500;
  font-family: 'Lato', sans-serif;
  padding-left: 17%;
}

.about-icone {
  justify-content: center;
  align-items: center;
  padding-left: 45%;
}

.contact-div {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8%;
  padding: 5%;
}

.contact {
  color: black;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  font-family: 'Lato', sans-serif;
}

.email {
  text-decoration: underline;
}

.program-name {
  color: var(--color-text);
  font-size: 1.5rem;
  font-style: normal;
  font-weight: 600;
  font-family: 'Lato', sans-serif;
  text-align: center;
  padding-top: 7%;
  padding-bottom: 15px;
}

.summit-hr {
  width: 10%;
  border-radius: 4px;
  border: 1px solid red;
  border-color: var(--color-mid);
  margin: 0 auto;
}

.logo-para {
  color: var(--color-text);
  font-size: 14px;
  font-style: normal;
  font-family: 'Lato', sans-serif;
  font-weight: 400;
  line-height: 2rem;
  padding-left: 6%;
  padding-right: 5%;
  padding-top: 4%;
}

.logoImage-summit {
  padding-left: 20%;
  padding-top: 3%;
  padding-bottom: 5%;
}

#image-logo {
  height: 80%;
  width: 80%;
}

.logo-design {
  color: var(--color-text);
  font-size: 14px;
  font-style: normal;
  font-family: 'Lato', sans-serif;
  font-weight: 400;
  line-height: 2rem;
  padding-left: 13%;
  padding-right: 5%;
}

.function {
  color: var(--color-text);
  font-size: 14px;
  font-style: normal;
  font-family: 'Lato', sans-serif;
  font-weight: 400;
  line-height: 2rem;
  padding-left: 6%;
  padding-right: 5%;
  padding-top: 4%;
  padding-bottom: 5%;
}

.past-sumit {
  width: 10%;
  border-radius: 4px;
  border: 1px solid red;
  margin: 0 47%;
  border-color: var(--color-mid);
}

.past-img {
  color: var(--color-text);
  font-size: 14px;
  font-style: normal;
  font-family: 'Lato', sans-serif;
  font-weight: 400;
  line-height: 2rem;
  padding-left: 10%;
  padding-right: 5%;
  padding-top: 4%;
}

.champions {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  gap: 5%;
  padding-top: 5%;
}

#moscow {
  width: 100%;
  height: 80%;
}

#foter-section {
  background-color: #2e2e2e;
  display: flex;
  flex-direction: row;
  justify-content: space-evenly;
  gap: 10%;
  padding: 20px 20px;
}

#foter-section p {
  color: #fff;
  font-size: 14px;
  font-family: 'Lato', sans-serif;
  font-style: normal;
  font-weight: 500;
  line-height: 20px;
}

.foter-logo {
  width: 30%;
  height: 30%;
}

.mobile-menu-list {
  position: fixed;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2.5rem;
  font-style: normal;
  font-weight: 600;
  font-size: 32px;
  line-height: 44px;
  list-style-type: none;
  color: white;
  background-color: rgba(221, 40, 55, 0.7);
  height: 100vh;
  width: 100vw;
  z-index: 999;
}

.pop-up-close-btn {
  display: flex;
  align-self: flex-end;
  height: 30px;
  width: 30px;
}

.closeImg {
  text-align: right;
  padding-top: 18px;
  padding-right: 20px;
  padding-left: 80%;
}

.mobile-menu-list ul li a {
  margin-top: 1rem;
  display: flex;
  list-style: none;
  flex-direction: column;
  align-items: flex-start;
  font-style: normal;
  font-family: 'poppins', sans-serif;
  font-weight: 500;
  font-size: 32px;
  line-height: 44px;
  text-decoration: none;
  color: #fff;
  padding-left: 20%;
}

.blur {
  filter: blur(5px);
}

.disappear {
  display: none;
}

.partners {
  background: #424146;
  height: 100%;
  width: 100%;
  align-items: center;
  justify-content: center;
}

.par-title {
  color: #9e9ea0;
  font-size: 20px;
  font-style: normal;
  font-family: 'Lato', sans-serif;
  font-weight: 600;
  line-height: 20px;
  text-align: center;
  padding: 2% 0 1% 0;
}

.partner-hr {
  width: 15%;
  border-radius: 4px;
  border: 2px solid rgb(83, 6, 6);
  margin: 0 auto;
  border-color: var(--color-mid);
}

.partners ul {
  display: flex;
  flex-direction: row;
  justify-content: center;
  flex-wrap: wrap;
  align-content: center;
  list-style: none;
  gap: 9%;
  padding: 1rem 1rem;
}

.brand-name {
  width: 80px;
  height: 80px;
}

@media screen  and (min-width: 768px) {
  .top-nav {
    display: flex;
  }

  .hamburg {
    display: none;
  }

  .mobile-menu-list {
    display: none;
  }

  .partners {
    display: none;
  }

  #home-page {
    margin-top: 120px;
    background-image: url(./images/about_bg_01.png);
    background-repeat: no-repeat;
    background-color: rgb(245, 245, 245);
    height: 50rem;
    background-size: 100%;
    display: flex;
    background-position: center;
  }

  .bottom-nav {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    height: 5rem;
    background-color: #fff;
    line-height: 2.8rem;
  }

  .about-hero-title {
    width: 650px;
    margin: 0 auto;
  }

  .bottom-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-left: 40px;
    margin-top: 20px;
    margin-bottom: 20px;
    line-height: 2.8rem;
  }

  .bottom-menu li a {
    text-decoration: none;
    font-style: normal;
    list-style: none;
    font-size: 20px;
    font-weight: 500;
    line-height: 2.8rem;
    color: var(--color-text);
  }

  .bottom-menu li a:hover {
    color: var(--color-mid);
  }

  #btn {
    list-style: none;
    font-style: normal;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    background: #fff;
    padding: 8px;
    border: 4px solid var(--color-mid);
  }

  #btn:hover {
    color: var(--color-mid);
  }

  .heading {
    margin-top: 4rem;
  }

  h1 {
    color: var(--color-mid);
    font-family: 'Lato', sans-serif;
    font-weight: 1000;
    font-size: 4rem;
    line-height: 4rem;
    font-style: normal;
    margin-left: 31%;
  }

  h5 {
    color: var(--color-mid);
    font-family: 'Lato', sans-serif;
    font-weight: 1000;
    font-size: 4rem;
    line-height: 4rem;
    font-style: normal;
    margin-left: 31%;
  }

  .title-hr {
    width: 20%;
    border-radius: 4px;
    border: 2px solid red;
    margin: 0 auto;
    margin: 29px auto;
    border-color: var(--color-mid);
  }

  .some-more {
    color: var(--color-text);
    font-size: 20px;
    font-style: normal;
    font-family: 'Lato', sans-serif;
    font-weight: 700;
    line-height: 2rem;
    padding-left: 14%;
    width: 90%;
    margin: 22px auto 16px 4px;
  }

  .event-details {
    color: var(--color-text);
    font-size: 17px;
    font-style: normal;
    font-family: 'Lato', sans-serif;
    font-weight: 400;
    line-height: 2rem;
    padding-left: 5%;
    padding-right: 5%;
    padding-top: 6%;
  }

  .description {
    background-color: var(--color-bg);
    border: 4px solid #fff;
    color: var(--color-text);
    font-size: 20px;
    font-style: normal;
    font-family: 'Lato', sans-serif;
    font-weight: 500;
    line-height: 30px;
    padding: 6px;
    width: 60%;
    height: 50%;
    margin-left: 20%;
    justify-content: center;
    align-items: center;
  }

  .Date {
    color: black;
    font-family: 'Lato', sans-serif;
    font-style: normal;
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 2.9rem;
    padding-top: 2%;
    padding-left: 13%;
  }

  .seeyou {
    color: var(--color-text);
    font-size: 17px;
    font-style: normal;
    font-weight: 500;
    font-family: 'Lato', sans-serif;
    padding-left: 17%;
  }

  .about-icone {
    justify-content: center;
    align-items: center;
    padding-left: 45%;
  }

  .contact-div {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10%;
    padding-top: 3%;
  }

  .contact {
    color: black;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    font-family: 'Lato', sans-serif;
  }

  .email {
    text-decoration: underline;
  }

  .program-name {
    color: var(--color-text);
    font-size: 30px;
    font-style: normal;
    font-weight: 600;
    font-family: 'Lato', sans-serif;
    text-align: center;
    padding-top: 7%;
    padding-bottom: 15px;
    margin: 0 auto;
  }

  .summit-hr {
    width: 10%;
    border-radius: 4px;
    border: 1px solid red;
    border-color: var(--color-mid);
    margin: 0 auto;
  }

  .logo-para {
    color: var(--color-text);
    font-size: 17px;
    font-style: normal;
    font-family: 'Lato', sans-serif;
    font-weight: 400;
    line-height: 2rem;
    padding-left: 6%;
    padding-right: 5%;
    padding-top: 4%;
  }

  .logoImage-summit {
    padding-left: 0;
    padding-top: 3%;
    padding-bottom: 5%;
    width: 570px;
    margin: 0 auto;
    text-align: center;
  }

  .logo-design {
    color: var(--color-text);
    font-size: 17px;
    font-style: normal;
    font-family: 'Lato', sans-serif;
    font-weight: 400;
    line-height: 2rem;
    padding-left: 13%;
    padding-right: 5%;
  }

  .function {
    color: var(--color-text);
    font-size: 17px;
    font-style: normal;
    font-family: 'Lato', sans-serif;
    font-weight: 400;
    line-height: 2rem;
    padding-left: 6%;
    padding-right: 5%;
    padding-top: 4%;
    padding-bottom: 4%;
  }

  .past-sumit {
    width: 10%;
    border-radius: 4px;
    border: 1px solid red;
    margin: 0 auto;
    border-color: var(--color-mid);
  }

  .past-img {
    color: var(--color-text);
    font-size: 16px;
    font-style: normal;
    font-family: 'Lato', sans-serif;
    font-weight: 400;
    line-height: 2rem;
    padding-left: 24%;
    padding-right: 5%;
    padding-top: 4%;
  }

  .champions {
    display: flex;
    justify-content: center;
    flex-direction: row;
    align-items: center;
    gap: 5%;
    padding-top: 5%;
    padding-bottom: 5%;
  }

  #foter-section {
    background-color: #2e2e2e;
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    gap: 10%;
    padding: 20px 20px;
  }

  #foter-section p {
    color: #fff;
    font-size: 16px;
    font-family: 'Lato', sans-serif;
    font-style: normal;
    font-weight: 600;
    line-height: 30px;
  }

  .foter-logo {
    width: 10%;
    height: 10%;
  }
}