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

@media screen and (min-width: 768px) {
  *,
  *::after,
  *::before {
    list-style: none;
    overflow-x: hidden;
  }

  body {
    margin: 0;
  }

  .links {
    background-color: #3e3e3e;
    height: 30px;
  }

  nav ul {
    display: flex;
    font-family: var(--font-family);
    font-size: 14px;
    color: #272a31;
    font-weight: 400;
  }

  .links ul {
    display: flex;
    font-size: 13px;
    font-family: var(--font-family);
    color: #fff;
    margin-top: 0;
    margin-bottom: -1rem;
    padding-bottom: 0;
    margin-right: 10rem;
    position: relative;
    float: right;
  }

  nav ul li {
    margin: 0.5rem 1rem 0.5rem 1rem;
  }

  .links ul li {
    margin: 0.3rem 1rem 0.2rem 1rem;
  }

  nav ul li:hover {
    color: #ec5242;
  }

  .nav {
    display: flex;
    width: 100vw;
    justify-content: space-around;
    height: 75px;
  }

  footer strong {
    font-size: 28px;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-style: italic;
  }

  footer strong img {
    height: 2.6rem;
    margin-top: 0.5rem;
  }

  .nav strong a {
    font-size: 28px;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-style: italic;
    color: #000;
    text-decoration: none;
  }

  .feature img {
    height: 10vw;
    width: 10vw;
  }

  .red-img img {
    height: 8rem;
    width: 15rem;
    margin: 1rem;
  }

  .over {
    height: 8rem;
    width: 15rem;
    display: flex;
    overflow: hidden;
    position: absolute;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background-color: rgba(219, 72, 14, 0.7);
    margin-top: -9.3rem;
    margin-left: 1rem;
    color: #fff;
  }

  .over h4 {
    font-size: 20px;
    height: 25px;
    font-family: var(--font-family);
    padding: 0;
    margin: 0;
  }

  .over h6 {
    color: #fff;
    font-size: 10px;
    font-family: var(--font-family);
  }

  .nav strong img {
    height: 2.6rem;
    margin-top: 0.5rem;
  }

  .nav button {
    color: #ec5242;
    border: 3px solid #ec5242;
    background-color: #fff;
    height: 2.8rem;
    font-family: var(--font-family);
    font-size: 14px;
    margin-top: 0.5rem;
    padding: 0.5rem 1rem 0.5rem 1rem;
  }

  .click {
    text-decoration: none;
    color: #272a31;
  }

  .click:hover {
    color: #ec5242;
  }

  .back {
    background: url("images/1678984284631.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    height: 740px;
  }

  .pad {
    margin: 4rem 10rem 7rem 10rem;
  }

  .pad h2 {
    color: #ec5242;
    font-size: 33px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
  }

  .pad h1 {
    font-size: 63px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    background-image: url("images/pexels-pixabay-267151.jpg");
    background-size: contain;
    background-position: top center;
    -webkit-background-clip: text;
    color: transparent;
    margin-top: -1rem;
  }

  .box {
    font-family: var(--font-family);
    font-size: 25px;
    width: 45vw;
    padding: 2rem;
    border: 3px solid #fff;
    color: #272a31;
  }

  .pad h3 {
    font-size: 35px;
    font-family: var(--font-family);
    color: #515151;
  }

  footer p {
    font-family: var(--font-family);
    margin-left: 2rem;
    font-style: italic;
  }

  .pad p {
    font-size: 27px;
    font-family: var(--font-family);
    color: #868686;
  }

  .main {
    display: grid;
    place-items: center;
    background-image: url("images/abstract-background-lineart-cubes_95169-324.jpg");
    background-size: cover;
    height: 490px;
    padding: 1rem 3rem 1rem 3rem;
  }

  .main h2 {
    color: #fff;
    font-family: var(--font-family);
    font-size: 27px;
  }

  .line {
    background-color: #ec5242;
    width: 3rem;
    height: 2px;
    margin-top: -6rem;
  }

  .big-box {
    display: flex;
    font-family: var(--font-family);
    margin-top: -3rem;
  }

  .big-box .inner-box {
    margin: 3px;
    background-color: rgba(247, 246, 243, 0.2);
    width: 10rem;
    padding: 0.6rem;
  }

  .big-box .inner-box:hover {
    border: #fff 2px solid;
  }

  .end-box strong img {
    height: 2.6rem;
    margin-top: 0.5rem;
  }

  .partner ul li img {
    height: 3rem;
    margin: 0 1rem 0 1rem;
  }

  .big-box .inner-box img {
    margin-left: 3rem;
  }

  .about-top h4 {
    font-size: 40px;
    font-family: var(--font-family);
    color: #ec5242;
  }

  .big-box .inner-box h4 {
    color: #ec5242;
    font-size: 20px;
    text-align: center;
    margin-top: -0.1rem;
  }

  .main p {
    color: #fff;
    font-size: 18px;
    font-family: var(--font-family);
    margin-top: -1rem;
  }

  .main .underline:hover {
    text-decoration: underline;
  }

  .feature p {
    color: #000;
    font-family: var(--font-family);
    font-size: 14px;
  }

  .about-top p {
    font-family: var(--font-family);
    font-size: 16px;
    color: #7a7a7a;
    text-align: center;
    margin-top: -5rem;
  }

  .second p {
    color: #838383;
    font-size: 16px;
    font-family: var(--font-family);
    width: 45vw;
    text-align: center;
    margin-top: -3rem;
  }

  .red p {
    color: #838383;
    font-size: 15px;
    font-family: var(--font-family);
  }

  .big-box .inner-box p {
    font-size: 12px;
    text-align: center;
    color: #fff;
    margin-top: -0.5rem;
  }

  .speakers {
    display: grid;
    place-items: center;
  }

  .speakers h6 {
    color: #000;
    font-family: var(--font-family);
    font-size: 27px;
  }

  .feature {
    display: grid;
    grid-template-columns: repeat(2, 40vw);
    grid-template-rows: repeat(3, 15rem);
    margin-top: 2rem;
  }

  .feature h2 {
    color: #000;
    font-family: var(--font-family);
    font-size: 24px;
  }

  .orange {
    color: #f78c89;
    font-family: var(--font-family);
    font-size: 15px;
  }

  .j-grid {
    display: flex;
  }

  .div-g {
    margin-left: 2rem;
    width: 19rem;
  }

  .partner {
    display: grid;
    place-items: center;
    height: 190px;
    padding: 1.5rem 3rem 1rem 3rem;
    background-color: #414246;
  }

  .partner h2 {
    font-family: var(--font-family);
    color: #8f8f91;
    font-size: 28px;
    margin-bottom: 1rem;
  }

  .l-2 {
    margin-top: -1rem;
  }

  .partner ul {
    display: flex;
  }

  footer {
    padding: 3rem 3rem 3rem 8rem;
    height: 6rem;
    display: flex;
  }

  .about-top {
    height: 37rem;
    background-image: url("images/1678984284631.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    display: grid;
    place-items: center;
    padding-top: 1rem;
  }

  .b-2 {
    font-size: 14px;
    width: 50vw;
    margin-top: -5rem;
    text-align: center;
  }

  .second {
    height: 27rem;
    display: grid;
    place-items: center;
  }

  .second h5 {
    color: #2c2c2c;
    font-family: var(--font-family);
    font-size: 28px;
  }

  .end-box {
    width: 20rem;
    border: #acaaaa 1px solid;
    display: grid;
    place-items: center;
    height: 7rem;
  }

  .end-box strong {
    font-size: 28px;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-style: italic;
  }

  .red {
    display: grid;
    place-items: center;
    padding-top: 0;
    border-top: #868686 1px solid;
    padding-bottom: 3rem;
    height: 21rem;
  }

  .l-3 {
    margin-top: -4rem;
  }

  .red h3 {
    color: #2c2c2c;
    font-size: 28px;
    font-family: var(--font-family);
  }

  .red-img {
    display: flex;
  }

  .last {
    color: #fff;
    background-color: #2c2c2c;
    width: 100vw;
  }

  #about {
    display: none;
  }

  .mobile {
    display: none;
  }
}

@media screen and (max-width: 767px) {
  *,
  *::after,
  *::before {
    list-style: none;
    overflow-x: hidden;
  }

  body {
    margin: 0;
  }

  .desktop {
    display: none;
  }

  .hamburger {
    display: block;
    cursor: pointer;
    width: 35px;
    height: 45px;
    position: relative;
    appearance: none;
    outline: none;
    background: none;
    border: none;
  }

  .hamburger .bar,
  .hamburger::after,
  .hamburger::before {
    content: "";
    display: block;
    width: 45px;
    height: 3px;
    background: black;
    margin: 6px 0;
    transition: 0.4s;
    z-index: 900;
  }

  .hamburger.is-active::before {
    transform: rotate(-45deg) translate(-3px, 4px);
    z-index: 900;
  }

  .hamburger.is-active::after {
    transform: rotate(45deg) translate(-3px, -4px);
    z-index: 900;
  }

  .about-burger .bar,
  .about-burger::after,
  .about-burger::before {
    content: "";
    display: block;
    width: 45px;
    height: 3px;
    background: black;
    margin: 6px 0;
    transition: 0.4s;
    z-index: 900;
  }

  .hamburger.is-active .bar {
    opacity: 0;
  }

  .about-burger {
    display: block;
    cursor: pointer;
    width: 35px;
    height: 45px;
    position: relative;
    appearance: none;
    outline: none;
    background: none;
    border: none;
  }

  .about-burger.is-active::before {
    transform: rotate(-45deg) translate(-3px, 6px);
    z-index: 900;
  }

  .about-burger.is-active::after {
    transform: rotate(45deg) translate(-3px, -6px);
    z-index: 900;
  }

  .about-burger.is-active .bar {
    opacity: 0;
  }

  .mobile-nav {
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    min-height: 100vh;
    display: block;
    background: rgb(221, 71, 16, 0.7);
    z-index: 0;
    padding-top: 120px;
    transition: 0.4s;
  }

  .mobile-nav.is-active {
    display: block;
    left: 0;
    z-index: 0;
  }

  .mobile-nav a {
    display: block;
    width: 100%;
    max-width: 200px;
    margin: 0 auto 16px;
    text-align: center;
    padding: 12px 16px;
    background-color: rgb(187, 105, 42);
    color: #fff;
    font-size: 20px;
    text-decoration: none;
  }

  .about-nav a {
    display: block;
    width: 100%;
    max-width: 200px;
    margin: 0 auto 16px;
    text-align: center;
    padding: 12px 16px;
    background-color: rgb(187, 105, 42);
    color: #fff;
    font-size: 20px;
    text-decoration: none;
  }

  .mobile-nav a:hover {
    background-color: rgb(180, 46, 20);
  }

  .about-nav {
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    min-height: 100vh;
    display: block;
    background: rgb(221, 71, 16, 0.7);
    z-index: 0;
    padding-top: 120px;
    transition: 0.4s;
  }

  .about-nav.is-active {
    display: block;
    left: 0;
    z-index: 0;
  }

  .about-nav a:hover {
    background-color: rgb(180, 46, 20);
  }

  .home {
    padding: 0;
  }

  .top {
    background-image: url("images/1678984284631.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    height: 30rem;
  }

  .top h2 {
    font-size: 25px;
    margin-top: 2rem;
    margin-left: 1rem;
    font-family: var(--font-family);
    color: #ec5242;
  }

  .top h4 {
    font-size: 35px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    background-image: url("images/pexels-pixabay-267151.jpg");
    background-size: contain;
    background-position: top center;
    -webkit-background-clip: text;
    color: transparent;
    margin-top: -1rem;
    margin-left: 1rem;
  }

  .box {
    font-family: var(--font-family);
    font-size: 12px;
    width: 80vw;
    padding: 0.5rem;
    border: 3px solid #fff;
    color: #272a31;
    margin-left: 5vw;
  }

  .top h3 {
    font-size: 20px;
    font-family: var(--font-family);
    color: #515151;
    margin-left: 1rem;
  }

  footer p {
    font-family: var(--font-family);
    font-style: italic;
    font-size: 12px;
    margin-left: 1rem;
  }

  .top p {
    font-size: 13px;
    font-family: var(--font-family);
    color: #868686;
    margin-left: 1rem;
  }

  .main {
    display: grid;
    place-items: center;
    background-image: url("images/abstract-background-lineart-cubes_95169-324.jpg");
    background-size: cover;
    height: 650px;
    padding: 1rem 3rem 1rem 3rem;
  }

  .main h2 {
    color: #fff;
    font-family: var(--font-family);
    font-size: 27px;
  }

  .line {
    background-color: #ec5242;
    width: 3rem;
    height: 2px;
    margin-top: -6rem;
  }

  .big-box {
    display: grid;
    font-family: var(--font-family);
    margin-top: -3rem;
  }

  .big-box .inner-box {
    margin: 3px;
    background-color: rgba(247, 246, 243, 0.2);
    width: 90vw;
    padding: 0.9rem 0.3rem 0.9rem 0.3rem;
    display: flex;
    justify-content: space-between;
  }

  .big-box .inner-box:hover {
    border: #fff 2px solid;
  }

  footer strong img {
    height: 2rem;
    margin-top: 0.5rem;
  }

  .featured img {
    height: 8rem;
  }

  .red-img img {
    height: 8rem;
    width: 15rem;
    margin: 0.5rem;
  }

  .over {
    height: 8rem;
    width: 15rem;
    display: flex;
    overflow: hidden;
    position: absolute;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background-color: rgba(219, 72, 14, 0.7);
    margin-top: -8.75rem;
    margin-left: 0.5rem;
    color: #fff;
  }

  .over h4 {
    font-size: 20px;
    height: 25px;
    font-family: var(--font-family);
    padding: 0;
    margin: 0;
  }

  .over h6 {
    color: #fff;
    font-size: 10px;
    font-family: var(--font-family);
  }

  .partner ul li img {
    height: 2rem;
    margin: 0 0.7rem 0 0.7rem;
  }

  .big-box .inner-box img {
    height: 3rem;
  }

  .big-box .inner-box h4 {
    color: #ec5242;
    font-size: 14px;
    text-align: center;
  }

  .featured p {
    color: #000;
    font-family: var(--font-family);
    font-size: 9px;
  }

  .mobile-second p {
    font-family: var(--font-family);
    font-size: 15px;
    color: #838383;
    width: 55vw;
    margin-top: -4rem;
  }

  .red p {
    color: #838383;
    font-size: 12px;
    font-family: var(--font-family);
    text-align: center;
    margin-top: -2rem;
  }

  .big-box .inner-box p {
    font-size: 10px;
    text-align: justify;
    color: #fff;
    width: 10rem;
  }

  .main button {
    color: #fff;
    font-family: var(--font-family);
    font-size: 13px;
    background-color: #ec5242;
    padding: 1rem 2rem 1rem 2rem;
    height: 4rem;
    border: none;
  }

  .speakers {
    display: grid;
    place-items: center;
  }

  .speakers h6 {
    color: #000;
    font-family: var(--font-family);
    font-size: 27px;
  }

  .featured {
    display: grid;
    place-items: center;
    margin-top: 2rem;
  }

  .featured h2 {
    color: #000;
    font-family: var(--font-family);
    font-size: 15px;
  }

  .orange {
    color: #f78c89;
    font-family: var(--font-family);
    font-size: 10px;
  }

  .j-grid {
    display: flex;
  }

  .div-g {
    margin-left: 1rem;
    width: 55vw;
  }

  .l-4 {
    margin-top: 0;
  }

  .top-2 {
    text-align: center;
  }

  .top-2 h3 {
    color: #ec5242;
    font-size: 35px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
  }

  .mobile-second {
    text-align: center;
    display: grid;
    place-items: center;
    height: 28rem;
  }

  .mobile-second h5 {
    color: #000;
    font-size: 27px;
    font-family: var(--font-family);
  }

  .l-5 {
    margin-top: -7rem;
  }

  footer strong {
    font-size: 20px;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-style: italic;
  }

  .end-box strong {
    font-size: 28px;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-style: italic;
    color: #000;
    text-decoration: none;
  }

  .end-box {
    border: #868686 1px solid;
    width: 18rem;
    height: 6rem;
    padding-top: 1.4rem;
  }

  .red {
    display: grid;
    place-items: center;
    padding-top: 0;
    border-top: #e4e0e0 1px solid;
    padding-bottom: 3rem;
    height: 29rem;
    margin-top: 2rem;
  }

  .red h3 {
    color: #2c2c2c;
    font-size: 20px;
    font-family: var(--font-family);
  }

  .red-img {
    display: grid;
    place-items: center;
  }

  .l-1 {
    margin-top: -3rem;
  }

  .partner {
    display: grid;
    place-items: center;
    height: 190px;
    padding: 0 3rem 1rem 3rem;
    background-color: #414246;
  }

  .l-0 {
    margin-top: 0;
  }

  .partner h2 {
    font-family: var(--font-family);
    color: #8f8f91;
    font-size: 28px;
    margin-bottom: 1rem;
  }

  .partner ul {
    display: flex;
    flex-wrap: nowrap;
    margin-left: -1.5rem;
  }

  footer {
    padding: 0 1rem 1rem 2rem;
    height: 6rem;
    display: flex;
    align-items: center;
  }

  #mobile-about {
    display: none;
  }
}