*, *:before, *:after {
    box-sizing: border-box;
  }
  
  html {
    font-family: sans-serif;
  }
  
  body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    color: #555;
  }
  
  h1 {
    font-family: 'Raleway', 'Roboto', sans-serif;
    font-weight: normal;
  }
  
  a {
    color: inherit;
    text-decoration: none;
    border-bottom: 2px solid #faa5a5;
    transition: all 0.2s ease-in-out;
  }
  
  a:hover {
    color: #424242;
    border-bottom-color: #f54444;
  }
  
  button {
    border: 1px solid;
    color: #f54444;
    padding: 1rem 3rem;
    background: transparent;
    border-radius: 0.2rem;
    outline: none;
    transition: all 0.2s ease-in-out;
    position: relative;
    font-family: inherit;
  }
  
  button:before {
    border-radius: 0.2rem;
    position: absolute;
    margin: auto;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    content: "";
    background: linear-gradient(-45deg, #FF512F, #DD2476);
    z-index: 1;
    transition: all 0.2s ease-in-out;
    transform: scale(0.9, 0.2);
    transform-origin: center top;
    opacity: 0;
  }
  
  button span {
    z-index: 4;
    position: relative;
  }
  
  button:hover {
    color: white;
    border: 1px solid transparent;
  }
  
  button:hover:before {
    opacity: 1;
    transform: scale(1);
  }
  
  header {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 42;
  }
  
  header a {
    height: 3rem;
    width: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom-width: 0 !important;
  }
  
  header a .burger-icon {
    width: 1rem;
    height: 0.1rem;
    background: #424242;
    position: relative;
    transition: all 0.2s ease-in-out;
    font-family: sans-serif;
  }
  
  header a .burger-icon:before, header a .burger-icon:after {
    content: "";
    transition: all 0.2s ease-in-out;
    position: absolute;
    width: 1rem;
    left: 0;
    height: 0.1rem;
    background: #424242;
    transform: rotate(0deg);
  }
  
  header a .burger-icon:before {
    top: -0.3rem;
    transform-origin: left top;
  }
  
  header a .burger-icon:after {
    top: 0.3rem;
    transform-origin: left bottom;
  }
  
  header a .burger-icon.talk-x {
    background: transparent;
  }
  
  header a .burger-icon.talk-x:before {
    transform: rotate(40deg);
  }
  
  header a .burger-icon.talk-x:after {
    transform: rotate(-40deg);
  }
  
  nav.fixed-nav {
    position: fixed;
    background: white;
    top: -25rem;
    left: 0;
    width: 20vw;
    height: 25rem;
    transition: all 0.2s ease-in-out;
    z-index: 32;
  }
  
  nav.fixed-nav.visible {
    top: 0;
    box-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.2);
  }
  
  nav.fixed-nav a {
    display: block;
    padding: 2rem 2rem;
    line-height: 1rem;
    border-bottom-width: 0 !important;
  }
  
  nav.fixed-nav a:first-child {
    margin-top: 5rem;
  }
  
  nav.fixed-nav a:hover {
    background: #f7f7f7;
  }
  
  section#hero {
    height: 40rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 0 50% 0 8rem;
    color: #757575;
    background-size: cover;
    background-position: center bottom;
    position: relative;
  }
  
  section#hero.app-hero {
    height: 30rem;
    background: transparent;
  }
  
  section#hero.contact-hero {
    height: 30rem;
    background: #f7f7f7;
  }
  
  section#hero:before {
    content: "";
    position: absolute;
    top: 0;
    left: 2.5%;
    width: 50%;
    height: 100%;
    z-index: 2;
    transform: skewX(-15deg);
    background: white;
  }
  
  section#hero:after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    z-index: 1;
    background-image: url(img/bg.jpg);
    background-size: cover;
    background-position: center bottom;
  }
  
  section#hero.app-hero:before, section#hero.app-hero:after {
    content: none !important;
  }
  
  section#hero.contact-hero:before {
    background: #f7f7f7;
  }
  
  section#hero > * {
    position: relative;
    z-index: 3;
  }
  
  section#hero img.logo {
    height: 6.5rem;
    margin-top: 4rem;
    margin-left: 0.25rem;
  }
  
  section#hero h1 {
    margin-top: 1rem;
    font-size: 4.5rem;
    margin-bottom: 0;
    color: #424242;
  }
  
  section#hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
  }
  
  section#hero.contact-hero p {
    line-height: 1.4;
  }
  
  section#hero img.splash {
    width: 28vw;
    position: absolute;
    right: 10vw;
    top: 4rem;
  }
  
  section#hero img.splash.splash-app {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
    width: 20vw;
  }
  
  section#twocards {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -4rem;
  }
  
  section#twocards > div {
    position: relative;
    z-index: 4;
    width: 40vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  
  section#twocards h3 {
    font-weight: normal;
    font-size: 3rem;
    margin: 1rem 0;
  }
  
  section#twocards .right-card {
    text-align: left;
    align-items: flex-start;
    padding: 2rem 4rem;
    height: 24rem;
    background: #f7f7f7;
  }
  
  section#twocards .right-card h3 {
    margin-bottom: 0;
  }
  
  section#twocards .right-card p {
    line-height: 1.66;
  }
  
  section#twocards .left-card {
    text-align: left;
    align-items: flex-start;
    padding: 2rem 4rem;
    height: 18rem;
    color: white;
    background: #f54444;
  }
  
  section#twocards .left-card h3 {
    margin-bottom: 0;
  }
  
  section#twocards .left-card p {
    line-height: 1.66;
  }
  
  #about {
    text-align: center;
    color: #757575;
    padding-bottom: 3rem;
  }
  
  #about h1 {
    font-size: 4rem;
    position: relative;
    color: #424242;
  }
  
  #about h1:after {
    position: absolute;
    bottom: -1.25rem;
    left: 0;
    right: 0;
    margin: auto;
    background: #f54444;
    height: 0.2rem;
    width: 4rem;
    content: "";
  }
  
  #about.app-about h1 {
    padding-top: 2rem;
  }
  
  #about p {
    max-width: 80vw;
    margin: auto;
    font-size: 1.3rem;
    line-height: 1.66;
  }
  
  .two-cols {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem 0;
  }
  
  .two-cols h1 {
    font-weight: bolder;
  }
  
  .two-cols .text-container {
    width: 40vw;
    line-height: 1.66;
    padding: 0 2rem 0 4rem;
  }
  
  .two-cols .img-container {
    overflow: hidden;
    width: 25vw;
    padding: 2rem 5vw;
  }
  
  .two-cols .img-container img {
    float: left;
    width: 15vw;
    display: block;
    box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.2);
  }
  
  section#app, section#team {
    background: #f7f7f7;
  }
  
  section#device .img-container img {
    /* box-shadow: none; */
    transform: rotateY(180deg);
  }
  
  section#team {
    text-align: center;
    overflow: hidden;
  }
  
  section#team h1 {
    font-size: 4rem;
    margin-top: 5rem;
    position: relative;
    color: #424242;
  }
  
  section#team h1:after {
    position: absolute;
    bottom: -1.25rem;
    left: 0;
    right: 0;
    margin: auto;
    background: #f54444;
    height: 0.2rem;
    width: 4rem;
    content: "";
  }
  
  section#team p {
    margin-bottom: 3rem;
    font-size: 1.3rem;
    line-height: 1.66;
  }
  
  section#team ul.team {
    padding: 0;
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 6rem;
  }
  
  section#team ul.team a {
    border-bottom-width: 0 !important;
  }
  
  section#team ul.team a li.person {
    width: 20vw;
  }
  
  section#team ul.team a li.person img {
    width: 100%;
    border-radius: 50%;
    transform: scale(0.8);
    transition: all 0.2s ease-in-out;
  }
  
  section#team ul.team a li.person:hover img {
    transform: scale(0.95);
  }
  
  section#team ul.team a li.person h3 {
    font-weight: normal;
    font-size: 1.66rem;
    margin-bottom: 0.25rem;
    color: #616161;
  }
  
  section#team ul.team a li.person p {
    color: #9e9e9e;
    font-size: 1rem;
  }
  
  section#features {
    overflow: hidden;
    position: relative;
  }
  
  section#features img {
    display: block;
    width: 20vw;
    margin: 2rem auto;
    position: relative;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
  }
  
  section#features.device-features img {
    box-shadow: 0 0 0 transparent;
    width: 24vw;
  }
  
  section#features .desc-text {
    position: absolute;
    width: 20vw;
    opacity: 0;
    transition: all 0.2s ease-in-out;
  }
  
  section#features .desc-text.visible {
    opacity: 1;
  }
  
  section#features .desc-text.t1 {
    top: 7rem;
    left: 40vw;
  }
  
  section#features .desc-text.t1.visible {
    left: 62vw;
  }
  
  section#features .desc-text.t2 {
    top: 15rem;
    right: 40vw;
    text-align: right;
  }
  
  section#features .desc-text.t2.visible {
    right: 62vw;
  }
  
  section#features .desc-text.t3 {
    top: 25rem;
    left: 40vw;
  }
  
  section#features .desc-text.t3.visible {
    left: 62vw;
  }
  
  section#contact {
    padding: 4rem 0;
    text-align: center;
  }
  
  section#contact input, section#contact textarea {
    text-align: left;
    font-family: inherit;
    outline: none;
    resize: none;
    width: 40vw;
    display: block;
    margin: 2rem auto;
    background: transparent;
    line-height: 1.5;
    padding: 0.5rem;
    border: 0;
    border-bottom: 0.15rem solid #faa5a5;
    color: inherit;
  }
  
  section#contact input:focus, section#contact textarea:focus {
    border-bottom-color: #f54444;
  }
  
  section#contact textarea {
    height: 15rem;
  }
  
  footer {
    font-size: 0.8rem;
    padding: 2rem 0;
    line-height: 1.1rem;
    background: #424242;
    color: #f7f7f7;
    text-align: center;
  }
  
  @media (min-width: 1600px) {
    html {
      font-size: 20px;
    }
  }
  
  @media (max-width: 1024px) {
    html {
      font-size: 14px;
    }
  }