* {
  box-sizing: border-box;
}

.presentation {
  display: flex;
  height: 100vh;
}

.image-container {
  flex: 1;
  background-image: url('Illustration.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px;
  text-align: center;
}

.logo-container {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.7);
  padding: 20px;
  border-radius: 10px;
}

body {
  font-family: 'DejaVu Sans', sans-serif;
  margin: 0;
  scroll-behavior: smooth;
  line-height: 1.6;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #001f3f;
  color: white;
  padding: 15px 30px;
  position: relative;
  width: 100%;
  z-index: 1000;
  transition: top 0.3s;
}

header img {
  height: 50px;
}

nav a {
  color: #000080;
  text-decoration: none;
  margin-left: 20px;
  font-weight: 500;
  font-size: 16px;
}

section {
  padding: 100px 20px 60px;
  width: 100%;
}

.section-white {
  background-color: #ffffff;
  color: #000000;
}

.section-blue {
  background-color: #90ADBD;
  color: white;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

.flex {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  justify-content: center;
}

.presentation img {
  width: 250px;
}

.half {
  flex: 1 1 45%;
}

.mission-box {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 10px;
  text-align: center;
}

.mission-box i {
  font-size: 40px;
  margin-bottom: 10px;
}

.why-box {
  text-align: center;
  flex: 1 1 30%;
}

.why-box i {
  font-size: 40px;
  margin-bottom: 10px;
}

.team-member {
  flex: 1 1 45%;
  text-align: center;
}

.team-member img {
  width: 180px;
  border-radius: 50%;
  margin-bottom: 10px;
}

form {
  display: flex;
  flex-direction: column;
  max-width: 500px;
  margin: auto;
}

input, textarea, button {
  margin: 10px 0;
  padding: 12px;
  font-size: 1em;
  border-radius: 5px;
}

input, textarea {
  border: 1px solid #ccc;
}

button {
  background-color: #001f3f;
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #2A5D7C;
}

header {
  max-width: 1200px;
  margin: 20px auto 0;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  background-color: white !important;
  position: relative;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow-x: hidden;
}

#presentation {
  padding: 0 !important;
  margin: 0 !important;
}

#presentation > div {
  margin: 0 !important;
  padding: 0 !important;
  width: 100vw;
  height: 100vh;
}

.fullscreen-flex {
  display: flex;
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
}

@media (max-width: 768px) {
  .flex {
    flex-direction: column;
  }

  header {
    flex-direction: column;
    align-items: flex-start;
    position: relative;
  }

  nav {
    display: flex;
    flex-wrap: wrap;
  }

  #presentation h1 {
    font-size: 24px !important;
  }

  #presentation .fullscreen-flex {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  #presentation h1 {
    font-size: 24px !important;
    text-align: center !important;
    padding: 0 20px;
  }

  #presentation > div > div:last-child {
    padding-left: 0 !important;
    align-items: center !important;
    text-align: center !important;
  }

  #presentation .fullscreen-flex {
    flex-direction: column;
    height: auto;
  }

  #presentation > div > div:first-child {
    width: 100%;
    height: 200px;
    clip-path: none;
  }

  #presentation > div > div:last-child {
    width: 100%;
    padding: 20px !important;
    align-items: center !important;
    text-align: center !important;
    display: flex;
    justify-content: center;
  }

  #presentation h1 {
    font-size: 24px !important;
    margin: 0 auto;
    text-align: center !important;
  }

  #presentation {
    background-image: url('Illustration.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 0 !important;
  }

  .mobile-hide-image {
    display: none !important;
  }

  #presentation {
    background-image: url('Illustration.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 0 !important;
    height: 100vh;
    overflow: hidden;
    position: relative;
  }

  #presentation .fullscreen-flex {
    flex-direction: column;
    height: 100%;
    width: 100%;
    justify-content: center;
    align-items: center;
    background: none !important;
  }

  #presentation > div:last-child {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    padding: 0 20px;
    background: none !important;
  }

  #presentation h1 {
    font-size: 32px !important;
    font-weight: 800;
    color: white;
    text-shadow: none !important;
    margin: 0 auto;
  }

  header nav.mobile-hide-nav {
    display: none !important;
  }

  header > div {
    justify-content: center !important;
  }

  header img {
    margin: 0 auto;
    display: block;
  }

  header {
    padding: 10px 0 !important;
  }

  header > div {
    width: 100% !important;
    max-width: none !important;
    padding: 0 20px !important;
  }

  header img {
    height: 48px;
  }

  header > div {
    max-width: 320px !important;
    margin: 0 auto !important;
    padding: 0 !important;
  }
}