:root {
  --font-primary: 'serenity', Arial, sans-serif;
  --color-text: #333;
  --color-primary: #000;
  --color-accent: #c41e3a;
  --color-link: #0066cc;
  --color-link-hover: #003d7a;
  --spacing-base: 20px;
  --transition-default: 0.3s ease;
}

/* Base styles */
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: white;
  text-align: center;
  font-family: Arial, sans-serif;
  font-weight: 500;
  position: relative; /* Ajout */
  padding-bottom: 150px; /* Ajout - hauteur du footer + marge */
  box-sizing: border-box; /* Ajout */
}

/* Typography */
h1 {
  font-family: var(--font-primary);
  width: 100%;
  font-weight: 500;
}

h2,
h3 {
  font-family: var(--font-primary);
  width: 100%;
  font-weight: 300;
}

h1 {
  font-size: 5em;
  margin: 20px 0;
  text-align: center;
}
h2 {
  font-size: 2em;
  margin-bottom: 10px;
}
h3 {
  font-size: 1.5em;
  margin-bottom: 5px;
}

/* Layout */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80%; /* Ajout */
  max-width: 1200px; /* Ajout */
  margin: 0 auto 100px; /* Modification : marges symétriques */
  padding: var(--spacing-base);
  box-sizing: border-box; /* Ajout */
}

header + main {
  margin-top: 350px;
}

section {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start; /* Modification : alignement à gauche */
  width: 100%; /* Ajout */
  text-align: left;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: white;
  transition: all var(--transition-default);
  padding: 10px 0; /* Modification : retrait du padding horizontal */
  display: flex; /* Ajout */
  flex-direction: column; /* Ajout */
  align-items: center; /* Ajout */
  width: 100%; /* Ajout */
  box-sizing: border-box; /* Ajout */
}

header > a {
  width: 80%; /* Ajout */
  max-width: 1200px; /* Ajout */
  display: flex; /* Ajout */
  justify-content: center; /* Ajout */
}

header img {
  max-height: 150px;
  width: auto;
  padding: var(--spacing-base);
  transition: max-height var(--transition-default);
  margin: 0 auto; /* Ajout */
}

header.mini {
  padding: 5px 0; /* Modification : retrait du padding horizontal */
}

header.mini img {
  max-height: 60px;
}
header.mini h1 {
  font-size: 1.5em;
  margin: 10px 0;
}

/* Logo */
img.logo {
  height: auto;
  max-width: 40%;
  padding: var(--spacing-base);
}

/* Links */
a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-default);
}

a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

/* Forms */
form {
  width: 100%;
  max-width: 500px;
  margin: var(--spacing-base) 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  box-sizing: border-box; /* Ajout */
}

form input,
form textarea {
  width: 100%;
  max-width: 100%; /* Ajout */
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  transition: border-color var(--transition-default);
  box-sizing: border-box; /* Ajout */
  margin: 0; /* Ajout */
}

form input[type='checkbox'] {
  width: auto;
  margin-right: 10px;
}

form #message {
  height: 200px;
  min-height: 120px;
  resize: vertical;
}

form button[type='submit'] {
  background-color: var(--color-primary);
  color: white;
  padding: 12px 24px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  align-self: flex-start;
  transition: background-color var(--transition-default);
}

form button[type='submit']:hover {
  background-color: #333;
}

/* Footer */
footer {
  position: absolute; /* Modification : relative -> absolute */
  bottom: 0; /* Ajout */
  left: 0; /* Ajout */
  width: 100%;
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-base);
  font-family: var(--font-primary);
  font-weight: 100;
  height: auto; /* Ajout */
  min-height: 100px; /* Ajout */
}

footer .links {
  font-size: 1.2em;
}
footer p {
  margin: 10px 0;
}

footer a {
  color: white;
  margin: 0 10px;
}

footer a:hover {
  color: #ddd;
}

/* Map */
#map {
  height: 500px;
  width: 100%;
  margin: var(--spacing-base) 0;
}

/* Styles pour la page 404 */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}

.error-page .container {
  max-width: 600px;
  margin: 0 auto;
}

.error-page .logo {
  max-width: 200px;
  margin-bottom: 2rem;
}

.error-page h1 {
  font-size: 6rem;
  margin: 0;
  color: #c41e3a;
}

.error-message {
  font-size: 1.5rem;
  margin: 1rem 0 2rem;
  color: #333;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background-color: #c41e3a;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.cta-button:hover {
  background-color: #a01830;
}

/* Utility classes */
.sections-container {
  display: flex;
  gap: 1.2rem;
  width: 100%;
  justify-content: space-between; /* Ajout */
}

.sections-container section {
  flex: 1;
  width: calc(50% - 1rem); /* Modification : largeur précise avec gap */
  max-width: 600px; /* Ajout */
  box-sizing: border-box; /* Ajout */
  padding: 0 var(--spacing-base); /* Ajout */
  text-align: left;
}

.form-message {
  padding: 10px;
  margin-bottom: 15px;
  border-radius: 4px;
  display: none;
}

.form-message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  display: block;
}

.form-message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  display: block;
}

/* Media Queries */
@media (max-width: 768px) {
  h1 {
    font-size: 2em;
  }
  main {
    padding: 10px;
  }

  .sections-container {
    flex-direction: column;
  }

  .sections-container section {
    width: 100%;
    padding: 0; /* Ajout */
  }

  footer a {
    display: block;
    padding: 5px 0;
  }

  form {
    max-width: 100%; /* Ajout */
  }
}