/* reinitialisation du CSS des navigateurs */
*,
body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;

  position: relative;
  font-family: var(--font1);
  color: var(--blanc);
}

/* Variables */
:root {
  --fuschia: #ff0062;
  --gris_logo: #b5b5b5;
  --gris_tagline: #5e5e5e;
  --seminoir: #14191c;
  --blanc: #eaeaea;
  --bleu_nuit: #16282f;
  --font1: "Karla", sans-serif;
  --font2: "Montserrat", sans-serif;
}

/*---------------- Display Flex et compagnie------------------*/
.d-flex {
  display: flex;
}

.flex_col {
  flex-direction: column;
}
.justify_between {
  justify-content: space-between;
}
.justify_start {
  justify-content: flex-start;
}
.justify_end {
  justify-content: flex-end;
}
.justify_around {
  justify-content: space-around;
}
.justify_evenly {
  justify-content: space-evenly;
}
.justify_center {
  justify-content: center;
}
.align_center {
  align-items: center;
}
.align_end {
  align-items: flex-end;
}
.align_start {
  align-items: flex-start;
}
.align_baseline {
  align-items: baseline;
}
.align_content_center {
  align-content: center;
}

/* ----------BARRE NAV FIXE ----------- */

#barre_nav {
  width: 100%;
  background-color: var(--bleu_nuit);
  min-height: 50px;
  position: fixed;
  text-decoration: none;
  z-index: 20;
}
#barre_nav a {
  text-decoration: none;
  margin: 10px;
  color: var(--blanc);
  font-size: large;
  font-weight: 500;
}
#barre_nav ul {
  margin: 20px auto;
  list-style-type: none;
}

/* ----------- SECTION 1 - titre et teaser ------*/
#section1 {
  width: 100%;
  position: absolute;

  z-index: 800;

  padding-top: 50px;

  background-image: url(../images/visuel_ville.png);
  background-position: center;

  text-align: center;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
h2 {
  color: var(--fuschia);
  font-size: 24px;
  margin: 0 0 20px;
  font-family: var(--font2);
  letter-spacing: 2px;
  font-weight: 600;
}
h1 {
  color: var(--gris_logo);
  font-size: 53px;
  font-family: var(--font2);
  letter-spacing: 18px;
  font-weight: 500;
}
.logotitre h3 {
  color: var(--gris_tagline);
  font-size: 19px;
  font-family: var(--font1);
  font-weight: 300;
  margin: 20px 0;
}

.logo::before {
  content: "";
  width: 33%;
  border-radius: 2px;
  border: 3px solid var(--fuschia);
  position: absolute;
  top: -5px;
  left: 33%;
}
.logo::after {
  content: "";
  width: 33%;
  border-radius: 2px;
  border: 3px solid var(--fuschia);
  position: absolute;
  bottom: -5px;
  left: 33%;
}
.container2 {
  margin: 70px auto 10px;
  max-width: 700px;
}

.video-responsive {
  overflow: hidden;
  padding-bottom: 56.25%;
  position: relative;
  height: 0;
  margin: 0 auto;
  width: 100%;
}
.video-responsive iframe {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
}
/* Barre nav mouvante */
#barre_nav2 a {
  text-decoration: none;
  margin: 10px;
  color: var(--blanc);
  font-size: large;
  font-weight: 500;
}
#barre_nav2 ul {
  margin: 20px auto;
  list-style-type: none;
}

.menu a::after {
  content: "";
  width: 100%;
  border-radius: 2px;
  border: 2px solid var(--fuschia);
  position: absolute;
  bottom: 0px;
  left: -2px;
  opacity: 0%;
  transition: all 0.5s;
}
.menu a:hover::after {
  position: absolute;
  bottom: -5px;
  left: -2px;
  opacity: 100%;
  transition: all 0.5s;
}

/* ----------- SECTION 2 - PROGRAMME ------*/
#section2 {
  padding-top: 120vh;
  background: linear-gradient(#111619 90%, #14191c);
}

#section2 h1 {
  letter-spacing: normal;
}
.prog h2 {
  color: var(--blanc);
  font-size: 40px;
  font-weight: 500;
}
#section2 .logo::before {
  content: "";
  width: 35%;
  border-radius: 2px;
  border: 3px solid var(--fuschia);
  position: absolute;
  top: -5px;
  left: 32%;
}
#section2 .logo::after {
  content: "";
  width: 35%;
  border-radius: 2px;
  border: 3px solid var(--fuschia);
  position: absolute;
  bottom: -5px;
  left: 32%;
}

.prog {
  text-align: center;
  padding: 50px;
  max-width: 1500px;
  margin: 50px auto 0;
}
.card {
  display: flex;
  box-shadow: 5px 6px 15px 5px #000000;

  width: 80%;
  margin: 10px auto 0;
}
.coord {
  position: relative;
  width: 30%;
}
.bckgrd_hall1 {
  position: absolute;
  padding: 5%;
  background-image: url(../images/salles_conférence/conference_hall_1_filter.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  width: 100%;
  height: 100%;
  transition: all 0.5s;
}
.bckgrd_hall2 {
  position: absolute;
  padding: 5%;
  background-image: url(../images/salles_conférence/conference_hall_2_filter.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  width: 100%;
  height: 100%;
  transition: all 0.5s;
}
.bckgrd_rotonde {
  position: absolute;
  padding: 5%;
  background-image: url(../images/salles_conférence/grande_rotonde_filter.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  width: 100%;
  height: 100%;
  transition: all 0.5s;
}
.bckgrd_amphi {
  position: absolute;
  padding: 5%;
  background-image: url(../images/salles_conférence/grand_amphitheatre_filter.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  width: 100%;
  height: 100%;
  transition: all 0.5s;
}

.box_coord {
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: xx-large;
  transition: all 0.7s;
  padding: 10px;
}

.bouton {
  position: absolute;
  top: 80%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  opacity: 0;
  width: 35%;
  border: none;
  border-radius: 20px;
  font-size: large;
  color: var(--gris_tagline);
  padding: 5px;
}

/* effet hover */
.coord:hover .bckgrd_hall1 {
  filter: blur(4px);
  border: 4px solid var(--seminoir);
  transition: filter 0.5s;
}
.coord:hover .bckgrd_hall2 {
  filter: blur(4px);
  border: 4px solid var(--seminoir);
  transition: filter 0.5s;
}
.coord:hover .bckgrd_rotonde {
  filter: blur(4px);
  border: 4px solid var(--seminoir);
  transition: filter 0.5s;
}
.coord:hover .bckgrd_amphi {
  filter: blur(4px);
  border: 4px solid var(--seminoir);
  transition: filter 0.5s;
}

.coord:hover .box_coord {
  position: absolute;
  top: 35%;
  left: 50%;
  transition: all 0.7s;
}
.coord:hover .bouton {
  opacity: 1;
  transition: all 0.7s;
}

.descr {
  width: 66%;
  text-align: left;
  padding: 20px;
}

.prog img {
  border-radius: 100%;
  object-fit: cover;
  max-width: 80px;
  min-height: 80px;
  margin: 5px;
}
.card h3 {
  color: var(--fuschia);
  font-size: xx-large;
}
.descr span {
  margin-right: 10px;
  color: var(--gris_logo);
}
.descr p {
  color: var(--gris_logo);
}

/* Section 3 Reservations */
#section3 {
  background-color: var(--seminoir);
  padding-top: 50px;
}
#section3 h1 {
  letter-spacing: normal;
}
#section3 h3 {
  margin-top: 20px;
}
.reserv_card {
  padding: 20px;
  width: 30%;
  background: linear-gradient(45deg, var(--seminoir), #202b33);
  margin: 10px;
}
.icone img {
  max-width: 50%;
  margin: 0 auto;
}
.access span {
  font-size: 20px;
  font-family: var(--font1);
}
.access .vip {
  font-size: 34px;
  letter-spacing: 10px;
}
.access {
  margin: 20px auto;
}
.tarif {
  font-size: 16px;
  font-family: var(--font1);
}
.prix {
  font-style: italic;
  font-size: 65px;
}
.items span {
  font-family: var(--font1);
  font-size: 14px;
}
.items .fa-circle-xmark {
  color: var(--gris_tagline);
  font-size: 20px;
}
.items .fa-check {
  color: greenyellow;
  font-size: 20px;
}
.item {
  margin: 30px;
}
.items {
  text-align: left;
}
.line {
  border-bottom: 1px solid var(--gris_logo);
  padding-bottom: 30px;
  margin-bottom: 25px;
}
#section3 button {
  margin: 0 auto;
  width: 80%;
  background-color: var(--fuschia);
  color: var(--blanc);
  font-size: 16px;
  padding: 10px;
  border: none;
  border-radius: 5px;
}
.carte_milieu {
  background: none;
  font-family: var(--font1);
  background: linear-gradient(90deg, #172b33, #114d6b);
  position: relative;
  top: -40px;
}
.reservations {
  padding-top: 100px;
}

/* SECTION 4  MAPS*/
#section4 {
  padding-top: 100px;
  background-color: var(--seminoir);
}
.photo {
  max-width: 100%;
  margin: 0 auto;
}
.photo img,
.photo iframe {
  max-width: 100%;
  object-fit: contain;
  margin-bottom: 10px;
}

/* SECTION 5 CONTACT FORM */

#section5 {
  /* background-color: var(--seminoir); */
  background: linear-gradient(var(--seminoir), #111619);
  padding-top: 200px;
}
.contactform {
  padding: 40px;
  background: linear-gradient(rgba(23, 43, 51, 0.9), rgba(23, 43, 51, 0.9)),
    url(../images/salles_conférence/grande_rotonde.jpg);
  background-repeat: no-repeat, no-repeat;
  background-position: center, center;
  background-size: contain, cover;

  border: 5px solid var(--blanc);
}
.contactform h1 {
  color: var(--blanc);
  letter-spacing: 0px;
}
.contactform h2 {
  letter-spacing: 10px;
}
.contactform h3 {
  color: var(--gris_logo);
}
form {
  width: 70%;
  margin: 0 auto;
  text-align: left;
}

input {
  min-height: 40px;
  margin-bottom: 20px;
  border-radius: 5px;
}

form button {
  background-color: var(--fuschia);
  color: var(--blanc);
  border: none;
  border-radius: 5px;
  padding: 10px;
  width: 20%;
  font-size: large;
}
/* Footer */
footer {
  color: var(--gris_logo);
  background: linear-gradient(rgba(17, 22, 25, 0.8), rgba(17, 22, 25, 0)),
    url(../images/visuel_ville.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  font-family: var(--font2);
  padding: 200px 15% 40px;
}
.logo2 {
  font-family: var(--font2);
  color: var(--gris_logo);
  font-size: 70px;
  font-weight: 500;
  line-height: 65px;
}
footer .ligne {
  border-left: 10px solid var(--fuschia);
  padding-left: 20px;
}
footer .fa-brands {
  font-size: 60px;
}
footer a {
  color: var(--gris_logo);
}
footer a:hover {
  background-color: rgba(245, 244, 244, 0.1);
  padding: 8px;
  border-radius: 10px;
}
footer .taille_font {
  font-size: small;
}

.footer_container {
  text-align: center;
  padding-top: 300px;
  margin-bottom: 50px;
}
.fa-brands {
  margin: 30px;
}
footer a,
footer .taille_font {
  text-decoration: none;
  color: var(--blanc);
  font-weight: 200;
  font-size: 15px;
}
footer a,
footer span {
  margin: 10px;
}

/*  MEDIA QUERIES*/
@media screen and (max-width: 1000px) {
  .logo::before,
  .logo::after {
    width: 45%;
    left: 26%;
  }
  #section2 {
    padding-top: 90vh;
  }
  #section2 .logo::before,
  #section2 .logo::after {
    width: 45%;
    left: 27%;
  }
  .coord {
    width: 100%;
    height: 200px;
  }
  .card {
    flex-direction: column;
    /* margin: 30px; */
  }
  .descr {
    width: 100%;
  }
}
@media screen and (max-width: 750px) {
  .logo::before,
  .logo::after {
    width: 55%;
    left: 21%;
  }
  #section2 .logo::before,
  #section2 .logo::after {
    width: 55%;
    left: 22%;
  }
  .descr {
    transform: scale(0.8);
    padding: 0;
  }
  .intervenants .d-flex {
    flex-direction: column;
  }
  .paragraphe {
    margin-top: 10px;
  }
  #section2 .container,
  .card,
  .coord {
    width: 100%;
    margin: 0 auto;
  }
  .prog {
    width: 100%;
    padding: 0 50px;
  }
  .card {
    width: 100%;
  }

  .reservations {
    flex-direction: column;
  }
  .reserv_card {
    width: 70%;
    margin: 50px auto;
  }
  .carte_milieu {
    top: 0;
  }
  footer {
    padding: 200px 0 20px;
  }
  .ligne {
    transform: scale(0.7);
  }
  footer a,
  footer span {
    transform: scale(0.5);
  }
  #section5,
  #section4,
  .reservations,
  .prog {
    /* padding-top: 0; */
    padding: 0;
  }
}
@media screen and (max-width: 580px) {
  .logo::before,
  .logo::after {
    width: 70%;
    left: 14%;
  }
  #section2 .logo::before,
  #section2 .logo::after {
    width: 70%;
    left: 14%;
  }
  #section2 img {
    transform: scale(0.7);
    margin: 0;
  }
}
@media screen and (max-width: 500px) {
  .logotitre,
  .menu {
    transform: scale(0.7);
  }
  .logo::before,
  .logo::after {
    width: 80%;
    left: 8%;
  }
  #section2 .logo::before,
  #section2 .logo::after {
    width: 100%;
    left: 0%;
  }
  #section2 h2 {
    font-size: xx-large;
  }

  #section3 .logo::before,
  #section3 .logo::after {
    width: 100%;
    left: 0%;
  }
  #section2 h1 {
    transform: scale(0.7);
  }

  #section2 {
    padding-top: 90vh;
  }
  .reserv_card span {
    transform: scale(0.8);
  }
  form {
    width: 100%;
  }
  #section5 h1 {
    transform: scale(0.6);
  }
  .ligne {
    transform: scale(0.4);
    padding: 0;
  }
  footer {
    padding: 0;
  }
  .footer_container {
    padding: 0;
  }
  .fa-brands {
    transform: scale(0.5);
    margin: 10px;
  }
  .mentions {
    flex-direction: column;
    text-align: center;
  }
  .mentions div {
    margin: 2px auto;
    transform: scale(0.8);
  }
}
@media screen and (max-width: 400px) {
  #section5 h1 {
    font-size: xx-large;
  }
  #barre_nav a,
  #barre_nav2 a {
    margin: 0;
  }
  .card {
    padding: 0;
  }
}
@media screen and (max-width: 300px) {
  #barre_nav {
    max-width: 100%;
  }
  .logo2 {
    font-size: 50px;
  }
  h1 {
    font-size: 30px;
  }
}