* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

:root {
  --bleu-principal: #0077b6;
  --bleu-clair: #e0f4ff;
  --gris-fonce: #333;
}

header {
  background-color: white;
  border-bottom: 2px solid var(--bleu-principal);
  display: flow-root;
}

.navbar {
  max-width: 1200px;
  margin: auto;
  padding: 10px 40px;

  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.logo {
  flex-shrink: 0;
  margin-right: auto;
}
.logo img {
  height: 100px;
  display: block;
  margin-top: 15px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-links a {
  text-decoration: none;
  color: var(--gris-fonce);
  font-weight: bold;
}

.nav-links a:hover {
  color: var(--bleu-principal);
}

main {
  flex: 1;
  padding: 40px 20px;
  width: 700px;
  margin: auto;
  background-color: white;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  margin-top: 472px;
}

footer {
  background-color: var(--bleu-principal);
  color: white;
  text-align: center;
  padding: 20px;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.hero {
  background-image: url("../images/dark_logo.jpeg");
  background-position:  center;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  height: 100vh;
  position: fixed;
  top: 10px;
  right: 0;
  left: 0;
  z-index: -1;
}

.faq-item {
  margin-bottom: 15px;
}

.faq-question {
  width: 100%;
  padding: 15px;
  background-color: var(--bleu-principal);
  color: white;
  border: none;
  cursor: pointer;
  text-align: left;
  font-weight: bold;
}

.faq-answer {
  display: none;
  padding: 15px;
  background-color: var(--bleu-clair);
}

.effect{
  animation: fade-in-normal 2s ease-in-out 0s 1 normal none; 
}
  @keyframes fade-in-normal {0% { opacity: 0; } 100% { opacity: 1;} }

section form {
  max-width: 500px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

section form label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: var(--gris-fonce);
}

section form input,
section form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  font-size: 16px;
} 

section form textarea {
  height: 100px;
  resize: vertical;
}

section form button {
  background-color: var(--bleu-principal);
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s ease;
}

.tel-mobile {
  display: none;
}

.tel-desktop {
  display: inline;
}

@media (max-width: 768px) {
  .tel-mobile {
    display: inline;
  }

  .tel-desktop {
    display: none;
  }
}

.comparison {
  display: flex;
  gap: 40px;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap; 
  margin: 40px 0;
}

.comparison-column {
  width: 45%;
  min-width: 300px;
  text-align: center;
}

.media {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
}

.videos-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}