html, body {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  line-height: 1.2em;
  font-weight: 200;
  height:100%;
  background-color:#fff;
}

html {
	scroll-behavior: smooth;
}

body {
	margin:0;
}

a {
	text-decoration: none;
  color:#f27636;
}

a:hover {
  text-decoration: underline;
}

p {
  margin:40px 0;
}

header {
  display:flex;
  justify-content:space-between;
}

nav.main-menu {
  margin-right:20px;
  margin-top:40px;
  font-size:1.2em;
  font-weight: 400;
}

li.menu-element {
  list-style-type: none;
  background:url(../img/message-icon-white.svg) left no-repeat;  
  max-height: 64px;
  padding-left: 32px;
  background-size: contain;
}

li.menu-element a {
  color:#fff;

  transition:0.3s all ease-in-out;
}

li.menu-element:hover a {
  color:#fff;
}

footer {
  text-align: center;
  margin:20px 0;
}

/* HEADER */

.logo {
	margin:20px 0 20px 20px;
  width:350px;
}

/* fin HEADER */

.top-content {
  background:url(../img/header-new3.jpg) center -80px no-repeat;
  background-size: cover;
  min-height: 530px;
  margin-top: -140px;
  padding-top: 130px;
  color:#fff;
  font-size:2.4em;
  text-align: center;
  line-height: 1.2em;
  font-weight:400;
}

.top-content p {
  max-width: 90%;
  margin:auto;
}

.main-content {
  width:960px;
  margin:-110px auto 0 auto;
}

h1, h2 {
  line-height: 1.2em;
}

h1 {
  color:#f27636;
  font-size:1.7em;
  font-weight: 600;
}

h2 {
  color:#333;
  font-size:1.4em;
  font-weight: 600;
}

.airplane-anim {
  max-width: 300px;
  margin-top:0px;
}

/* FLIPS */

.flips-bigcontainer {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
}

.flip-container{
  margin: 16px;
}

.flip-container.one, .front, .back {
  width: 160px;
  height: 160px;
  border-radius: 50%;
}

.flipper {
  -moz-transform: perspective(1000px);
  -moz-transform-style: preserve-3d;
  position: relative;
}

.front, .back {
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
  -o-backface-visibility: hidden;
  backface-visibility: hidden;
  
  -webkit-transition: 0.6s;
  -webkit-transform-style: preserve-3d;
  
  -moz-transition: 0.6s;
  -moz-transform-style: preserve-3d;
  
  -o-transition: 0.6s;
  -o-transform-style: preserve-3d;
  
  -ms-transition: 0.6s;
  -ms-transform-style: preserve-3d;
  
  transition: 0.6s;
  transform-style: preserve-3d;
  
  
  position: absolute;
  top: 0;
  left: 0;
}

.back {
  -webkit-transform: rotateY(-180deg);
  -moz-transform: rotateY(-180deg);
  -o-transform: rotateY(-180deg);
  -ms-transform: rotateY(-180deg);
  transform: rotateY(-180deg);
  background: #D85C1C;
  text-align: center;
  display: flex;
  flex-direction:column;
  justify-content:center;
}

.flip-container:hover .back, .flip-container.hover .back {
  -webkit-transform: rotateY(0deg);
  -moz-transform: rotateY(0deg);
  -o-transform: rotateY(0deg);
  -ms-transform: rotateY(0deg);
  transform: rotateY(0deg);
}

.flip-container:hover .front, .flip-container.hover .front {
  -webkit-transform: rotateY(180deg);
  -moz-transform: rotateY(180deg);
  -o-transform: rotateY(180deg);
  transform: rotateY(180deg);
}

.front {
  z-index: 2;
  background: #f27636;
  color:#fff;
  text-align: center;
  line-height: 4em;
  font-size: 1.2em;
  font-weight: 400;
}

svg {
  width: 75px;
  height: 75px;
  margin: 12px 0 0 16px;
}

.front path {
  fill: #FFBECB;
}

.back svg {
  -webkit-transform: rotate(180deg);
  -moz-transform: rotate(180deg);
  -o-transform: rotate(180deg);
  margin: 12px 0 0 10px;
}

.back path {
  fill: #FFBECB;
}

.back img {
  max-width: 80px;
  margin:auto;
}

.student {
  background-image: url(../img/icon-student-30.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size:50%;
}

.parent {
  background-image: url(../img/icon-parent-30.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size:50%;
}

.teacher {
  background-image: url(../img/icon-teacher-30.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size:50%;
}

.pilot {
  background-image: url(../img/icon-pilot-30.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size:50%;
}

.future-pilot {
  background-image: url(../img/icon-future-pilot-30.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size:50%;
}

.users {
  background-image: url(../img/icon-users-30.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size:50%;
}

.industry {
  background-image: url(../img/icon-industry-30.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size:50%;
}

.regulation {
  background-image: url(../img/icon-regulation-30.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size:50%;
}

.maintenance {
  background-image: url(../img/icon-maintenance-30.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size:50%;
}

div.industry {
  line-height: 2em;
}

/* fin FLIPS */

p.text-intro {
  border-top:1px solid #f27636;
  padding-top:80px;
}

/* FORMULAIRE */

#form_contact {
  width:100%;
}

#form_contact p {
  text-align: left;
}

#form_contact fieldset {
  border:none;
  margin: 20px auto;
  width:100%;
  padding:0;
  text-align: center;
}

#form_contact input {
  width:77%;
  height: 30px;
  font-size:0.9em;
  padding: 5px 10px;
  font-family: 'Montserrat', sans-serif;
  border-radius:3px;
  border:1px solid #ccc;
  outline:none;
  color:#999;
}

#form_contact select {
  width: 79.5%;
  height: 42px;
  font-size:0.9em;
  padding: 5px 10px;
  font-family: 'Montserrat', sans-serif;
  border-radius:3px;
  border:1px solid #ccc;
  outline:none;
  color:#999;
}

#form_contact textarea {
  width:77%;
  min-height: 210px;
  font-size:0.9em;
  padding: 10px;
  font-family: 'Montserrat', sans-serif;
  border:1px solid #ccc;
  border-radius:3px;  
  outline:none;
  resize:none;
  color:#999;
}

#form_contact button {
  background-color:#f27636;
  color:#fff;
  border:1px solid #f27636;
  border-radius:3px;
  font-size:1em;
  font-family: 'Montserrat', sans-serif;
  padding:10px 50px;
  cursor: pointer;

  transition:all 0.3s;
  -webkit-transition:all 0.3s;
  -moz-transition:all 0.3s;
  -ie-transition:all 0.3s;
  -o-transition:all 0.3s;
}

#form_contact button:hover {
  background-color:#D85C1C;
  color:#fff;
  border:1px solid #D85C1C;
}

#form_contact ::placeholder { /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: #999;
  opacity: 1; /* Firefox */
}

#form_contact :-ms-input-placeholder { /* Internet Explorer 10-11 */
  color: #999;
}

#form_contact ::-ms-input-placeholder { /* Microsoft Edge */
  color: #999;
}

#form_contact input, #form_contact select, #form_contact textarea {
  opacity:0.9;
}

#form_contact input:focus, #form_contact select:focus, #form_contact textarea:focus {
  opacity:1;
}

.btn-form {
  text-align: left!important;
  width:79%!important;
}

#form_contact input.checkgdpr {
  width: 3%;
  text-align: left;
  font-size: 0.8em;
  height: 20px;
}

#form_contact label.labelgdpr {
  text-align: left;
  font-size: 0.8em;
}

/* fin form */

#form_newsletter {
  width:100%;
}

#form_newsletter p {
  text-align: left;
}

#form_newsletter fieldset {
  border:none;
  margin: 20px auto;
  width:100%;
  padding:0;
  text-align: center;
}

#form_newsletter input {
  width:50%;
  height: 30px;
  font-size:0.9em;
  padding: 5px 10px;
  font-family: 'Montserrat', sans-serif;
  border:1px solid #ccc;
  border-top-left-radius: 3px;
  border-bottom-left-radius: 3px;
  outline:none;
  color:#999;
}

#form_newsletter button {
  background-color:#f27636;
  color:#fff;
  width:27%;
  margin-left:-4px;
  border-top-right-radius: 3px;
  border-bottom-right-radius: 3px;
  height:42px;
  border:1px solid #f27636;
  font-size:1em;
  font-family: 'Montserrat', sans-serif;
  padding:10px 0;
  cursor: pointer;

  transition:all 0.3s;
  -webkit-transition:all 0.3s;
  -moz-transition:all 0.3s;
  -ie-transition:all 0.3s;
  -o-transition:all 0.3s;
}

#form_newsletter button:hover {
  background-color:#D85C1C;
  color:#fff;
  border:1px solid #D85C1C;
}

#form_newsletter ::placeholder { /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: #999;
  opacity: 1; /* Firefox */
}

#form_newsletter :-ms-input-placeholder { /* Internet Explorer 10-11 */
  color: #999;
}

#form_newsletter ::-ms-input-placeholder { /* Microsoft Edge */
  color: #999;
}

#form_newsletter input {
  opacity:0.9;
}

#form_newsletter input:focus {
  opacity:1;
}

#form_newsletter input.checkgdpr {
  width: 3%;
  text-align: left;
  font-size: 0.8em;
  height: 20px;
}

#form_newsletter label.labelgdpr {
  text-align: left;
  font-size: 0.8em;
}

.reponse-contact {
  color: #f27636;
}

@media screen and (min-width: 1700px) {
  .main-content {
    width: 960px;
    margin: 0px auto 0 auto;
  }
}

@media screen and (max-width: 1440px) {
}

@media screen and (max-width: 1280px) {
}

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

  .top-content {
    min-height: 420px;
  }

  .main-content {
    width:640px;
  }

  .top-content p {
    font-size: 0.8em;
    line-height: 1.2em;
  }

  #form_contact select {
    width: 80.5%;
  }

}

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

  .logo {
    width:200px;
    max-height: 55px;
  }

  nav.main-menu {
    margin-top: 30px;
    font-size:0.8em;
  }

  .main-content {
    width:90%;
  }

  .top-content {
    font-size:1.6em;
    min-height: 360px;
  }

  .airplane-anim {
    max-width: 200px;
    margin-top:0px;
  }

  .flip-container.one, .front, .back {
    width: 120px;
    height: 120px;
  }

  .front {
    line-height: 2.6em;
    font-size:0.9em;
  }

  #form_newsletter input {
    width:60%;
  }

  #form_newsletter button {
    width:30%;
  }

  #form_contact input, #form_contact select, #form_contact textarea {
    width:90%;
  }

  .btn-form {
    text-align: center;
  }

  li.menu-element {
    max-height: 24px;
  }

  #form_contact select {
    width: 93.5%;
  }

}

@media screen and (max-width: 500px) {

  #form_contact select {
    width: 95%;
  }
  
}