/* Importation de polices élégantes et modernes */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&display=swap');

/* Palette de couleurs */
:root {
  --primary-color: #1a0d6b;
  --secondary-color: #ffd700;
  --accent-color: #e6c200;
  --background-color: #f5f5f5;
  --text-color: #333333;
  --overlay-color: rgba(26, 13, 107, 0.5);
}

/* Styles Globaux */
body {
  font-family: 'Lato', sans-serif;
  margin: 0;
  padding: 0; /* Pas de padding-top statique, géré par JS */
  color: var(--text-color);
  background-color: var(--background-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', serif;
  color: var(--primary-color);
  margin: 0.5em 0;
}

/* Animation Fade In */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* En-tête */
header {
  background: #2A2D37;
  padding: 15px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  animation: none;
}

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

header h1 {
  font-size: 2em;
  margin-right: 20px;
  display: inline-block;
  color: #ffffff;
}

.logo {
  width: 50px;
  height: auto;
}

nav {
  background: #2A2D37;
  padding: 10px 0;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

nav ul li a:hover {
  color: var(--secondary-color);
}

/* Main */
main {
  flex: 1;
  padding: 0 20px; /* Pas de margin-top, géré par le padding du body via JS */
}

/* Sections de Bannière / Héros */
#home-banner,
#about-banner,
#works-banner,
#blog-banner,
#contact-banner {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  min-height: 80vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0; /* Changé de 20px à 0 car le padding du body gère l'espacement */
  animation: none;
}

/* Overlay */
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--overlay-color);
  z-index: 1;
}

/* Contenu des sections */
.banner-content,
#about-content,
#works-content,
#blog-content,
#contact-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px;
  color: var(--primary-color);
  text-align: center;
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 10px;
  animation: fadeIn 3s ease-in;
}

/* Illustrations spécifiques */
.illustration {
  width: 100%;
  max-width: 600px;
  margin: 20px auto;
  display: block;
  border-radius: 8px;
}

/* Boutons */
.button {
  background-color: var(--secondary-color);
  padding: 12px 25px;
  font-size: 1.1em;
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 5px;
  font-weight: 600;
  transition: background-color 0.3s ease, transform 0.3s ease;
  display: inline-block;
  margin-top: 15px;
}

.button:hover {
  background-color: var(--accent-color);
  transform: scale(1.03);
}

/* Grille pour sections */
.container.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

/* Prévisualisation des ?uvres et articles */
.work-preview, .article-preview {
  background: #ffffff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.work-preview:hover, .article-preview:hover {
  transform: translateY(-5px);
}

.work-preview img, .article-preview img {
  max-width: 150px;
  margin: 0 auto 10px;
  display: block;
}

/* Formulaires */
form {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  margin: 20px 0;
}

form label {
  margin-top: 10px;
  font-weight: 600;
}

form input, form textarea {
  padding: 10px;
  border: 1px solid #cccccc;
  border-radius: 4px;
  margin-top: 5px;
  font-size: 1em;
  width: 100%;
  box-sizing: border-box;
}

form button {
  margin-top: 15px;
  align-self: center;
}

/* Pied de page */
footer {
  background-color: #ffffff;
  color: var(--primary-color);
  text-align: center;
  padding: 15px 0;
  border-top: 1px solid #e0e0e0;
}

/* Style pour titres principaux */
.animated-title {
  margin: 0 auto 20px auto;
}

/* Définitions pour la section "Explorer l?invisible, comprendre l?essentiel" */
.definitions {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.definitions li {
  margin-bottom: 15px;
  line-height: 1.6;
  font-style: italic;
  color: var(--text-color);
}

.definitions strong {
  color: var(--primary-color);
  font-weight: 700;
}

/* Animations supprimées */
@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: var(--secondary-color); }
}

/* Media Queries pour Responsive Design */
@media (max-width: 768px) {
  header {
    padding: 10px 0;
  }
  
  header h1 {
    font-size: 1.5em;
    margin-right: 10px;
  }
  
  .logo {
    width: 40px;
  }
  
  nav ul {
    flex-direction: column;
    gap: 8px;
  }

  nav ul li {
    margin: 5px 0;
  }

  .animated-title {
    font-size: 1.8em;
  }

  .button {
    font-size: 1em;
    padding: 10px 20px;
  }
  
  .container.grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .banner-content,
  #about-content,
  #works-content,
  #blog-content,
  #contact-content {
    padding: 20px;
    max-width: 100%;
  }

  .work-preview img, .article-preview img {
    max-width: 120px;
  }
}

@media (max-width: 480px) {
  header {
    padding: 8px 0;
  }
  
  header h1 {
    font-size: 1.2em;
  }
  
  .logo {
    width: 30px;
  }
  
  nav ul {
    gap: 5px;
  }

  .animated-title {
    font-size: 1.5em;
  }

  .button {
    padding: 8px 16px;
    font-size: 0.9em;
  }

  form input, form textarea {
    font-size: 0.9em;
  }
}