* {
  margin: 0;
  padding: 0;
}

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

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: url(images/back.png) no-repeat center center fixed;
  background-size: 50% auto;
  background-color: #011627;
}

.logo {
  display: block;
  margin: -40px auto 20px auto;
  max-width: 800px;
  width: fit-content;
  justify-content: center;
}

main#container {
  flex: 1;
  flex-grow: 1;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.sections {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
  max-width: 1280px;
  padding: 20px;
  margin: 40px 80px;
  text-align: left;
}

.col1, .col2 {
  flex: 1;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  text-align: left;
  align-items: flex-start;
  gap: 40px;
}

.logiciels {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  margin-top: 100px;
}

.logiciels img {
    width: 60px; 
    height: auto;
    display: block;
    margin-top: 5px;  
}

.logiciels a {
  display: block;
  margin-bottom: 10px;
  padding: 5px 20px;
}

.contact-section {
  max-width: 600px;
  margin: auto;
  margin-top: 70px;
  margin-right: -100px;
  padding: 30px;
  background: #3a6f84;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.contact-section h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #011627;
}

.contact-form label {
  display: block;
  margin-top: 15px;
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  width: 90%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ddd;
  margin: 5px auto;
}

button {
  margin-top: 20px;
  width: 100%;
  padding: 12px;
  background-color: #011627;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background-color: #4a819b;
}


a {
  display: inline-block;
  color: #011627;
  background-color: #4a819b;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 20px;
  font-weight: 300;
  text-align: center;
  padding: 5px 30px;
  border-radius: 50px 50px 50px 5px; 
  text-decoration: none;
  transition: all 0.3s ease;
  margin-top: 1px;
}

a:hover {
  background-color: #3a6f84;
  transform: scale(1.10);
}

.a2 {
  display: inline-block;
  color: #011627;
  background-color: #4a819b;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 25px;
  font-weight: 150;
  border-radius: 50px 50px 5px 50px; 
  text-decoration: none;
  transition: all 0.3s ease;
}

.a2:hover {
  background-color: #3a6f84;
  transform: scale(1.10);
}

p {
  display: grid;
  gap: 5px;
  font-size: 15px;
  color: #ffecd1;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  text-align: center;
  line-height:16px;
}

.highlight {
  color: #ffecd1;
  font-size: 15px;
}

.gif-droite {
    position: fixed;
    top: -100px;
    right: 300px;
    width: 150px;
    max-width: 25vw;
    z-index: 1000;
    transition: width 0.3s ease;
}

@media (max-width: 768px) {
  .gif-droite {
    width: 120px;
    right: 10px;
    top: 10px;
  }
}

nav a {
  color: #4a819b;
  text-decoration: none;
  line-height:16px;
}

footer {
  width: 100%;
  background-color: #011627;
  border-top: 2px solid #ffecd1;
  padding: 30px 0;
  text-align: center;
}

footer p {
  font-size: 14px;
  margin: 0;
  line-height: 1.2;
  color: #ffecd1;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

footer a {
  display: inline-block;
  color: #ffecd1;
  background-color: #4a819b;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 18px;
  font-weight: 150;
  text-align: center;
  line-height: 1;
  padding: 1px 20px;
  margin: 10px;
  border-radius: 5px 5px 30px 30px;
  text-decoration: none;
  transition: all 0.3s ease;
}

footer a:hover {
  background-color: #3a6f84;
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .logo {
    max-width: 90%;
    margin: 0 auto 20px auto;
  }
}

@media (min-width: 769px) {
  .sections {
    grid-template-columns: repeat(2, 1fr);
    width: 1280px;
  }
}

@media (max-width: 768px) {
  body {
    background-size: 120% auto;
    background-position: center top;
  }
}

@media (max-width: 768px) {
  .gif-droite {
    right: 10px;
    top: 10px;
    width: 80px;
  }
}