/* --- VARIABLES DE COULEURS --- */
:root {
  --beige-pierre: #f9f7f2;
  --bleu-ardoise: #4a5d6a;
  --vert-sauge: #8da47e;
  --texte: #333333;
  --or-doux: #c5a059;
  --blanc: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Lato", sans-serif;
  font-size: 14px; /* Contrainte de police respectée */
  background-color: var(--beige-pierre);
  color: var(--texte);
  line-height: 1.7;
}

h1,
h2,
h3,
.logo {
  font-family: "Playfair Display", serif;
  color: var(--bleu-ardoise);
  font-weight: 400;
}

/* --- BANNIÈRE --- */
.construction-banner {
  background-color: var(--or-doux);
  color: var(--blanc);
  text-align: center;
  padding: 10px;
  letter-spacing: 1px;
}

/* --- NAVIGATION --- */
header {
  background: var(--blanc);
  padding: 20px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.logo {
  font-size: 22px;
  font-weight: bold;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
}

nav a {
  text-decoration: none;
  color: var(--texte);
  transition: 0.3s;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding-bottom: 5px;
}

nav a:hover,
nav a.active {
  color: var(--or-doux);
  border-bottom: 2px solid var(--or-doux);
}

/* --- STRUCTURE DES PAGES --- */
main {
  min-height: 70vh;
}

.page {
  display: none;
  animation: fadeIn 0.6s ease;
  padding: 40px 10%;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 40px;
}

/* --- ACCUEIL --- */
.hero {
  /* On garde l'image demandée en fond de la section d'accueil */
  background:
    linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
    url("https://images.unsplash.com/photo-1548705085-101177834f47?auto=format&fit=crop&q=80&w=1600")
      center/cover no-repeat;
  color: var(--blanc);
  text-align: center;
  padding: 100px 20px;
  border-radius: 8px;
  margin-bottom: 40px;
}

.hero h1 {
  color: var(--blanc);
  font-size: 40px;
  margin-bottom: 15px;
}

.hero p {
  font-size: 18px;
  font-style: italic;
  max-width: 700px;
  margin: 0 auto;
}

.presentation-box {
  background: var(--blanc);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

/* --- MISSION & GRID --- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.card {
  background: var(--blanc);
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.card h3 {
  margin-bottom: 15px;
  border-bottom: 2px solid var(--beige-pierre);
  padding-bottom: 10px;
}

.card ul {
  padding-left: 20px;
}

.partenaires {
  margin-top: 40px;
  text-align: center;
  background: #f1f3f5;
  padding: 30px;
  border-radius: 8px;
}

/* --- PROJETS --- */
.grid-projets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card-projet {
  background: var(--blanc);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  padding-bottom: 20px;
}

.img-placeholder {
  width: 100%;
  height: 220px;
  object-fit: cover;
  margin-bottom: 20px;
  background-color: var(
    --vert-sauge
  ); /* Couleur de fond si l'image n'est pas encore là */
}

.card-projet h3,
.card-projet p {
  padding: 0 20px;
}

/* --- FORMULAIRE --- */

.form-container {
  background: var(--blanc);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: 5px;
  font-weight: bold;
  color: var(--bleu-ardoise);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: "Lato", sans-serif;
  font-size: 14px;
  background-color: var(--beige-pierre);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--or-doux);
}

.btn {
  background-color: var(--or-doux);
  color: var(--blanc);
  border: none;
  padding: 12px 25px;
  font-family: "Playfair Display", serif;
  font-size: 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: 0.3s;
  width: 100%;
}

.btn:hover {
  background-color: var(--bleu-ardoise);
}


/* --- NOUVELLE BOX CONTACT --- */
.email-box {
  background: var(--blanc);
  padding: 50px 30px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  max-width: 650px;
  margin: 0 auto;
  text-align: center;
  border-top: 4px solid var(--or-doux); /* Petite ligne dorée élégante en haut */
}

.icon-mail {
  font-size: 40px;
  color: var(--or-doux);
  margin-bottom: 10px;
}

.email-box h3 {
  margin-bottom: 15px;
  font-size: 24px;
}

.email-box p {
  margin-bottom: 30px;
  color: var(--bleu-ardoise);
  font-size: 15px;
}

/* Le bouton/lien cliquable de l'email */
.email-link {
  display: inline-block;
  font-size: 18px;
  font-weight: bold;
  color: var(--bleu-ardoise);
  text-decoration: none;
  padding: 15px 35px;
  background-color: var(--beige-pierre);
  border-radius: 50px; /* Donne une forme de pilule élégante */
  border: 1px solid #e2ded5;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.email-link:hover {
  background-color: var(--or-doux);
  color: var(--blanc);
  border-color: var(--or-doux);
  transform: translateY(-3px); /* Petit effet de soulèvement au survol */
  box-shadow: 0 6px 15px rgba(197, 160, 89, 0.3);
}
/* --- FOOTER --- */
footer {
  background: var(--bleu-ardoise);
  color: var(--blanc);
  text-align: center;
  padding: 40px;
}

.copyright {
  margin-top: 20px;
  opacity: 0.7;
}

/* --- SECTION TRESORS --- */
.grid-tresors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.card-tresor {
  background: var(--blanc);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.card-tresor:hover {
  transform: translateY(-5px);
}

.img-tresor {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-content h3 {
  margin-bottom: 15px;
  font-size: 20px;
  color: var(--bleu-ardoise);
}

.card-content p {
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--texte);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.btn-link {
  text-decoration: none;
  background-color: var(--beige-pierre);
  color: var(--bleu-ardoise);
  padding: 8px 18px;
  border-radius: 4px;
  font-weight: bold;
  font-size: 13px;
  border: 1px solid var(--bleu-ardoise);
  transition: 0.3s;
}

.btn-link:hover {
  background-color: var(--or-doux);
  color: var(--blanc);
  border-color: var(--or-doux);
}

.btn-link.video {
  border-color: #c62828;
  color: #c62828;
}

.btn-link.video:hover {
  background-color: #c62828;
  color: var(--blanc);
}

/* Encart informatif final */
.info-alert {
  background-color: var(--bleu-ardoise);
  color: var(--blanc);
  padding: 50px 30px;
  border-radius: 8px;
  text-align: center;
  max-width: 800px;
  margin: 60px auto 0;
  box-shadow: 0 10px 30px rgba(74, 93, 106, 0.2);
}

.info-alert h3 {
  color: var(--blanc);
  margin-bottom: 15px;
}

.icon-info {
  font-size: 40px;
  margin-bottom: 15px;
}

/* --- STYLE DES CARTES TRESORS --- */
.grid-tresors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.card-tresor {
  background: var(--blanc);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.card-tresor:hover {
  transform: translateY(-5px);
}

.img-tresor {
  width: 100%;
  height: 250px;
  object-fit: cover; /* Garantit que l'image oelenberg.jpg remplit bien l'espace */
}

.card-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto; /* Aligne les boutons en bas de la carte */
}

.btn-link {
  text-decoration: none;
  background-color: var(--beige-pierre);
  color: var(--bleu-ardoise);
  padding: 10px 18px;
  border-radius: 4px;
  font-weight: bold;
  font-size: 13px;
  border: 1px solid var(--bleu-ardoise);
  transition: 0.3s;
}

.btn-link:hover {
  background-color: var(--or-doux);
  color: var(--blanc);
  border-color: var(--or-doux);
}

/* Sécurité : cache le champ honeypot pour les visiteurs réels */
.hidden {
  display: none;
}