@import url('https://fonts.googleapis.com/css2?family=PT+Serif&display=swap');

html {
  font-size: 100%;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

*,
*::before,
*::after {
  box-sizing: inherit;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'PT Serif', serif;
  line-height: 1.3;
}

#main {
  height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  perspective: 2px;
}

.df-cc {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

#intro {
  background-color: #2332ff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1600 800'%3E%3Cg %3E%3Cpath fill='%23254cff' d='M486 705.8c-109.3-21.8-223.4-32.2-335.3-19.4C99.5 692.1 49 703 0 719.8V800h843.8c-115.9-33.2-230.8-68.1-347.6-92.2C492.8 707.1 489.4 706.5 486 705.8z'/%3E%3Cpath fill='%232766ff' d='M1600 0H0v719.8c49-16.8 99.5-27.8 150.7-33.5c111.9-12.7 226-2.4 335.3 19.4c3.4 0.7 6.8 1.4 10.2 2c116.8 24 231.7 59 347.6 92.2H1600V0z'/%3E%3Cpath fill='%23287fff' d='M478.4 581c3.2 0.8 6.4 1.7 9.5 2.5c196.2 52.5 388.7 133.5 593.5 176.6c174.2 36.6 349.5 29.2 518.6-10.2V0H0v574.9c52.3-17.6 106.5-27.7 161.1-30.9C268.4 537.4 375.7 554.2 478.4 581z'/%3E%3Cpath fill='%232a98ff' d='M0 0v429.4c55.6-18.4 113.5-27.3 171.4-27.7c102.8-0.8 203.2 22.7 299.3 54.5c3 1 5.9 2 8.9 3c183.6 62 365.7 146.1 562.4 192.1c186.7 43.7 376.3 34.4 557.9-12.6V0H0z'/%3E%3Cpath fill='%232CB1FF' d='M181.8 259.4c98.2 6 191.9 35.2 281.3 72.1c2.8 1.1 5.5 2.3 8.3 3.4c171 71.6 342.7 158.5 531.3 207.7c198.8 51.8 403.4 40.8 597.3-14.8V0H0v283.2C59 263.6 120.6 255.7 181.8 259.4z'/%3E%3Cpath fill='%2326bbff' d='M1600 0H0v136.3c62.3-20.9 127.7-27.5 192.2-19.2c93.6 12.1 180.5 47.7 263.3 89.6c2.6 1.3 5.1 2.6 7.7 3.9c158.4 81.1 319.7 170.9 500.3 223.2c210.5 61 430.8 49 636.6-16.6V0z'/%3E%3Cpath fill='%231fc5ff' d='M454.9 86.3C600.7 177 751.6 269.3 924.1 325c208.6 67.4 431.3 60.8 637.9-5.3c12.8-4.1 25.4-8.4 38.1-12.9V0H288.1c56 21.3 108.7 50.6 159.7 82C450.2 83.4 452.5 84.9 454.9 86.3z'/%3E%3Cpath fill='%2319d0ff' d='M1600 0H498c118.1 85.8 243.5 164.5 386.8 216.2c191.8 69.2 400 74.7 595 21.1c40.8-11.2 81.1-25.2 120.3-41.7V0z'/%3E%3Cpath fill='%2312dcff' d='M1397.5 154.8c47.2-10.6 93.6-25.3 138.6-43.8c21.7-8.9 43-18.8 63.9-29.5V0H643.4c62.9 41.7 129.7 78.2 202.1 107.4C1020.4 178.1 1214.2 196.1 1397.5 154.8z'/%3E%3Cpath fill='%230CE9FF' d='M1315.3 72.4c75.3-12.6 148.9-37.1 216.8-72.4h-723C966.8 71 1144.7 101 1315.3 72.4z'/%3E%3C/g%3E%3C/svg%3E");
  background-attachment: fixed;
  background-size: cover;
}

#design {
  background-color: #2332ff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1600 800'%3E%3Cg %3E%3Cpolygon fill='%231e52fc' points='1600 160 0 460 0 350 1600 50'/%3E%3Cpolygon fill='%231a72f9' points='1600 260 0 560 0 450 1600 150'/%3E%3Cpolygon fill='%231593f6' points='1600 360 0 660 0 550 1600 250'/%3E%3Cpolygon fill='%2311b3f3' points='1600 460 0 760 0 650 1600 350'/%3E%3Cpolygon fill='%230CD3F0' points='1600 800 0 800 0 750 1600 450'/%3E%3C/g%3E%3C/svg%3E");
  background-attachment: fixed;
  background-size: cover;
}

#formation {
  background-color: #2332ff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 2000 1500'%3E%3Cdefs%3E%3CradialGradient id='a' gradientUnits='objectBoundingBox'%3E%3Cstop offset='0' stop-color='%232EFEFF'/%3E%3Cstop offset='1' stop-color='%232332FF'/%3E%3C/radialGradient%3E%3ClinearGradient id='b' gradientUnits='userSpaceOnUse' x1='0' y1='750' x2='1550' y2='750'%3E%3Cstop offset='0' stop-color='%232998ff'/%3E%3Cstop offset='1' stop-color='%232332FF'/%3E%3C/linearGradient%3E%3Cpath id='s' fill='url(%23b)' d='M1549.2 51.6c-5.4 99.1-20.2 197.6-44.2 293.6c-24.1 96-57.4 189.4-99.3 278.6c-41.9 89.2-92.4 174.1-150.3 253.3c-58 79.2-123.4 152.6-195.1 219c-71.7 66.4-149.6 125.8-232.2 177.2c-82.7 51.4-170.1 94.7-260.7 129.1c-90.6 34.4-184.4 60-279.5 76.3C192.6 1495 96.1 1502 0 1500c96.1-2.1 191.8-13.3 285.4-33.6c93.6-20.2 185-49.5 272.5-87.2c87.6-37.7 171.3-83.8 249.6-137.3c78.4-53.5 151.5-114.5 217.9-181.7c66.5-67.2 126.4-140.7 178.6-218.9c52.3-78.3 96.9-161.4 133-247.9c36.1-86.5 63.8-176.2 82.6-267.6c18.8-91.4 28.6-184.4 29.6-277.4c0.3-27.6 23.2-48.7 50.8-48.4s49.5 21.8 49.2 49.5c0 0.7 0 1.3-0.1 2L1549.2 51.6z'/%3E%3Cg id='g'%3E%3Cuse href='%23s' transform='scale(0.12) rotate(60)'/%3E%3Cuse href='%23s' transform='scale(0.2) rotate(10)'/%3E%3Cuse href='%23s' transform='scale(0.25) rotate(40)'/%3E%3Cuse href='%23s' transform='scale(0.3) rotate(-20)'/%3E%3Cuse href='%23s' transform='scale(0.4) rotate(-30)'/%3E%3Cuse href='%23s' transform='scale(0.5) rotate(20)'/%3E%3Cuse href='%23s' transform='scale(0.6) rotate(60)'/%3E%3Cuse href='%23s' transform='scale(0.7) rotate(10)'/%3E%3Cuse href='%23s' transform='scale(0.835) rotate(-40)'/%3E%3Cuse href='%23s' transform='scale(0.9) rotate(40)'/%3E%3Cuse href='%23s' transform='scale(1.05) rotate(25)'/%3E%3Cuse href='%23s' transform='scale(1.2) rotate(8)'/%3E%3Cuse href='%23s' transform='scale(1.333) rotate(-60)'/%3E%3Cuse href='%23s' transform='scale(1.45) rotate(-30)'/%3E%3Cuse href='%23s' transform='scale(1.6) rotate(10)'/%3E%3C/g%3E%3C/defs%3E%3Cg transform='translate(380 0)'%3E%3Cg transform='translate(0 30)'%3E%3Ccircle fill='url(%23a)' r='3000'/%3E%3Cg opacity='0.5'%3E%3Ccircle fill='url(%23a)' r='2000'/%3E%3Ccircle fill='url(%23a)' r='1800'/%3E%3Ccircle fill='url(%23a)' r='1700'/%3E%3Ccircle fill='url(%23a)' r='1651'/%3E%3Ccircle fill='url(%23a)' r='1450'/%3E%3Ccircle fill='url(%23a)' r='1250'/%3E%3Ccircle fill='url(%23a)' r='1175'/%3E%3Ccircle fill='url(%23a)' r='900'/%3E%3Ccircle fill='url(%23a)' r='750'/%3E%3Ccircle fill='url(%23a)' r='500'/%3E%3Ccircle fill='url(%23a)' r='380'/%3E%3Ccircle fill='url(%23a)' r='250'/%3E%3C/g%3E%3Cg transform='rotate(-46.8 0 0)'%3E%3Cuse href='%23g' transform='rotate(10)'/%3E%3Cuse href='%23g' transform='rotate(120)'/%3E%3Cuse href='%23g' transform='rotate(240)'/%3E%3C/g%3E%3Ccircle fill-opacity='0.3' fill='url(%23a)' r='3000'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  background-attachment: fixed;
  background-size: cover;
}

.content-block {
  width: 30rem;
  text-align: center;
  margin: 1rem;
}

.taj {
  text-align: justify;
  text-justify: inter-word;
}

.img-container {
  width: 100%;
}

#main {
  position: relative;
}

nav {
  width: 100%;
  margin: 0 auto;
  background: #fff;
  padding: 15px 0;
  box-shadow: 0px 5px 0px #1e80c1;
  position: fixed;
}
nav ul {
  list-style: none;
  text-align: center;
}
nav ul li {
  display: inline-block;
}
nav ul li a {
  display: block;
  padding: 15px;
  text-decoration: none;
  color: black;
  font-weight: 800;
  text-transform: uppercase;
  margin: 0 10px;
}
nav ul li a,
nav ul li a:after,
nav ul li a:before {
  transition: all 0.5s;
}
nav ul li a:hover {
  color: 0xfff;
}

#nav ul li a {
  position: relative;
  z-index: 1;
}
nav#nav ul li a:hover {
  color: #fff;
}
#nav ul li a:after {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  margin: auto;
  width: 100%;
  height: 1px;
  content: '.';
  color: transparent;
  background: #1e80c1;
  visibility: none;
  opacity: 0;
  z-index: -1;
  border-radius: 5px;
}

#nav ul li a:hover:after {
  opacity: 1;
  visibility: visible;
  height: 100%;
}

@media (max-width: 800px) {
  #nav {
    display: none;
  }
}

#intro {
  height: 110vh;
  width: 100%;
  padding-top: 6rem;
  color: white;
}

#dev {
  height: fit-content;
  width: 100%;
}

#design {
  height: 95vh;
  width: 100%;
  color: white;
}

#redac {
  height: fit-content;
  width: 100%;
}

#formation {
  height: 95vh;
  width: 100%;
  color: white;
}

#contact {
  height: fit-content;
  width: 100%;
}

#mentions {
  min-height: fit-content;
  width: 100%;
}

.button {
  width: 130px;
  height: 40px;
  color: #fff;
  padding: 5px 10px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
  outline: none;
  border-radius: 5px;
  z-index: 0;
  background: #fff;
  overflow: hidden;
  border: 2px solid #3e55a1;
  color: #3e55a1;
}
.button:hover a {
  color: #fff;
}
.button:hover:after {
  width: 100%;
  height: 100%;
}
.button:after {
  content: '';
  position: absolute;
  z-index: -1;
  transition: all 0.3s ease;
  left: 0;
  top: 0;
  width: 0;
  height: 100%;
  background: #3e55a1;
}

.video {
  border-radius: 5px;
  width: 200px;
  height: 200px;
}

.anchor {
  text-decoration: none;
  color: #3e55a1;
  padding: 0;
  margin: 0;
}

.arrow {
  cursor: pointer;
  text-align: center;
  padding: 0.2rem;
  border-radius: 5px;
  transform: rotate(270deg);
  transition: all 0.5s;
}

#mentions-data {
  transition: all 0.5s;
}

.rotate {
  transform: rotate(90deg);
}

.hide {
  display: none;
}