body, html {
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 300;
  width: 100%;
  height: 100%;
  margin: 0;
  color: #d1d1d1;
}

* {
  box-sizing: border-box;
}

@keyframes loading_glow {
  0% {
    transform: translate(-50%, -50%) scale(1);
  }

  50% {
    transform: translate(-50%, -50%) scale(1.2);
  }

  100% {
    transform: translate(-50%, -50%) scale(1);
  }
}

@-moz-keyframes loading_glow {
  0% {
    transform: translate(-50%, -50%) scale(1);
  }

  50% {
    transform: translate(-50%, -50%) scale(1.2);
  }

  100% {
    transform: translate(-50%, -50%) scale(1);
  }
}

h1 {
  font-size: 10vw;
  font-weight: 700;
  line-height: 1;
  width: 100%;
  margin: 0;
}

h2 {
  position: relative;
  display: inline-block;
  font-size: 2rem;
  font-weight: 700;
  margin: 2vh 0 0 0;
  border-bottom: 3px solid rgba(209, 209, 209, 0.3);
}

.main_text h2 {
  margin-top: 1.5rem;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -3px;
  width: 100%;
  border-bottom: 3px solid #d1d1d1;
  transition: transform 1s cubic-bezier(.19, 1, .22, 1);
  -webkit-transform: transform 1s cubic-bezier(.19, 1, .22, 1);
  transform-origin: right center;
  transform: scaleX(0);
  -webkit-transform: scaleX(0);
}

h2:hover::after {
  transform: scaleX(1);
  -webkit-transform: scaleX(1);
  transform-origin: left center;
}

h3 {
  font-size: 3.75rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: #d1d1d1;
}

p {
  line-height: 1.75;
}

@keyframes bg_glow {
  0% {
    background-position: 50% 100%
  }

  50% {
    background-position: 50% 95%
  }

  100% {
    background-position: 50% 100%
  }
}

@-moz-keyframes bg_glow {
  0% {
    background-position: 50% 100%
  }

  50% {
    background-position: 50% 95%
  }

  100% {
    background-position: 50% 100%
  }
}

#canvas_holder {
  position: fixed;
  z-index: -1;
  animation: bg_glow 60s ease infinite;
  background-attachment: fixed;
  background: radial-gradient(circle at top, #161616 40%, #050505);
  background-size: 300% 300%;
}

#grain {
  z-index: 9999;
  position: fixed;
  min-width: 100%;
  min-height: 100%;
  opacity: 0.05;
  pointer-events: none;
}

#background {
  animation: bg_glow 60s ease infinite;
  background: radial-gradient(circle at top, #161616 40%, #050505);
  background-attachment: fixed;
  position: fixed;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: -9999;
}

nav {
  display: grid;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  right: 0;
  height: 140px;
  margin: 0 5vw;
}

#nav_modal nav .brand {
  color: #525252;
}

.brand {
  font-size: 2rem;
  font-weight: 900;
  align-self: center;
  text-decoration: none;
  color: #d1d1d1;
}

#burger, #close {
  grid-column-start: 12;
  justify-self: end;
  align-self: center;
  padding: 0.5rem 0.333rem;
  cursor: pointer;
}

#close {
  margin-right: -2px;
  padding: 1.5rem 0.333rem;
}

[class^="line_burger_"], [class*=" line_burger_"], [class^="line_cross_"], [class*=" line_cross_"] {
  background: #d1d1d1;
  height: 2px;
  content: "";
  display: block;
  width: 2rem;
  transition: transform 0.4s ease-in-out;
  -webkit-transition: transform 0.4s ease-in-out;
}

#burger:hover .line_burger_1, #burger:hover .line_burger_3 {
  transform: translateX(-25%);
  -webkit-transform: translateX(-25%);
}

#burger:hover .line_burger_2 {
  -webkit-transform: translateX(25%);
}

.line_burger_2 {
  margin: 10px 0;
}

[class^="line_cross_"], [class*=" line_cross_"] {
  background: #525252;
  width: 2.5rem;
}

.line_cross_1 {
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
}

.line_cross_2 {
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  margin-top: -2px;
}

#close:hover .line_cross_1 {
  transform: rotate(135deg);
  -webkit-transform: rotate(135deg);
}

#close:hover .line_cross_2 {
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
}

#nav_modal {
  z-index: 2;
  background: radial-gradient(circle at top right, #fff 10%, #b8b8b8);
  transition: opacity .5s ease-in-out;
  -webkit-transition: opacity .5s ease-in-out;
  opacity: 0;
  pointer-events: none;
}

.container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
  margin: 0 5vw;
  padding: 3rem 0;
  height: auto;
  align-content: center;
}

#nav_modal.container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 3rem 5vw;
}

.modal_link {
  opacity: 1;
  filter: blur(0);
  text-decoration: none;
  line-height: 1.8;
  color: #525252;
  font-size: 3.75rem;
  grid-column: 3 / span 10;
  transform: translateY(0%);
  -webkit-transform: translateY(0%);
  transition: all 0.7s ease-in-out;
  -webkit-transition: all 0.7s ease-in-out;
  transition-delay: 0.3s;
  position: relative;
  padding: 0;
  font-weight: 700;
}

.modal_link:hover {
  padding: 0 2rem;
  color: #2e2e2e;
}

.modal_link.active {
  padding: 0 2rem;
  color: #202020;
}

.invisible {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(25%);
}

.visible {
  transition: all 0.4s ease-in-out;
  -webkit-transition: all 0.4s ease-in-out;
  transition-delay: 0s;
}

nav.container {
  align-self: center;
}

section.container {
  grid-template-columns: none;
  grid-template-rows: none;
  height: 100vh;
  align-content: center;
}

section#page_aide.container, section#page_apropos {
  height: 100vh;
  padding: 0;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
  align-content: normal;
}

section.accueil {
  grid-template-rows: [row1-start] 25% [row1-end row2-start] 25% [row2-end row3-start] 25% [row3-end row4-start] 25% [row4-end];
}

.fp-tableCell {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
  margin: 3rem 0;
}

.main_title {
  grid-column: 1 / span 12;
  grid-row: row2 / row3;
  margin-top: auto;
  margin-bottom: auto;
}

.main_text {
  grid-column: span 5;
  align-self: center;
}

.main_video {
  grid-column: 6 / span 12;
  align-self: center;
  max-width: 100%;
  max-height: 100%;
  position: relative;
  z-index: -1;
  pointer-events: none;
  place-self: center;
}

#first_page .main_text, #page_apropos .main_text {
  grid-column: 4 / span 6;
  place-self: center;
}

#page_aide .main_text {
  grid-column: 8 / span 12;
}

#page_aide .main_video {
  grid-column: span 7;
}

#nav_page {
  position: fixed;
  z-index: 1;
  top: 50%;
  right: 5vw;
  transform: translateY(-50%);
  margin-right: 0.5rem;
}

.arrow_button {
  width: 2rem;
  height: 2rem;
  margin-bottom: -0.333rem;
}

.arrow_button:first-child {
  transform: rotate(180deg);
}

ul {
  padding: 0 5px;
}

.nav_point {
  list-style: none;
  width: 0.9rem;
  height: 0.9rem;
  margin: 1.35rem auto;
  border-radius: 50%;
  text-align: center;
  border: 2px solid #d1d1d1;
  transition: all 0.8s ease-in-out;
  -webkit-transition: all 0.8s ease-in-out;
}

.nav_point.active {
  background: #d1d1d1;
  transform: scale(1.25);
}

.link_arrow {
  display: inline;
  width: 2rem;
  height: 2rem;
  margin-bottom: -0.333rem;
  transition: transform 0.6s ease-in-out;
  -webkit-transition: transform 0.6s ease-in-out;
}

h2:hover .link_arrow {
  transform: translateX(1rem);
}

@media screen and (max-width: 450px) {
  body,html{
    font-size: 14px;
  }
  h1 {
    font-size: 15vw
  }

  .container {
    display: grid;
    grid-template-columns: 1fr;
    margin: 0 1.5rem;
    padding: 1.5rem 0;
  }

  nav {
    height: 90px;
    margin: 0 1.5rem;
  }

  #nav_modal.container {
    padding: 1.5rem;
  }
  #nav_page {
    margin-right: 0;
  }
  ul {
    padding: 0;
  }
  .modal_link {
    font-size: 2rem;
    grid-column: auto;
    line-height: 2.2;
  }
  .modal_link:hover {
    padding: 0 1rem;
  }

  .modal_link.active {
    padding: 0 1rem;
  }
  .main_text{
    margin-right: 3rem;
  }
  #first_page .main_text{
    grid-column: span 5;
    align-self: center;
  }
  #page_apropos .main_text, #page_aide .main_text {
    grid-column: auto;
    margin-right: 0;
    padding-top: 111px;
    padding-bottom: 4rem;
  }
  section#page_aide.container, section#page_apropos {
    height:auto;
    grid-template-columns: none;
  }
  .main_video{
    display: none;
  }
  .fp-tableCell {
    grid-template-columns: none;
  }
}


@media screen and (min-width: 768px) and (max-width: 1024px) {

  body,html{
    font-size: 14px;
  }
  h3 {
    font-size: 3rem;
  }
  .modal_link{
    font-size: 3rem;
  }
  #first_page .main_text, #page_apropos .main_text{
  grid-column: 3 / span 8;
  }

}
@media (orientation: portrait) and (min-width: 768px) and (max-width: 1024px) {
  .modal_link {
      grid-column: 1 / span 10;
    }
}