/* Couleurs naturelles */
:root {
  --vert-fonce: #213b2e;
  --vert-fonce-diffu-video: #213b2ed0;
  --vert-fonce-diffu-page: #213b2eea;
  --vert-secondaire: #40614c;
  --blanc: rgb(255, 255, 255);
  --blanc-diffu: #ffffffdc;
  --bois: #D8BFAA;
  --rouge-rupture: #b33939;
}

/* Base */
html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  height: 100%;
  overflow-y: scroll;
  font-family: 'Georgia', serif;
  background: var(--blanc);
  color: var(--vert-fonce);
  line-height: 1.6;
}

/* Liens */
a {
  color: var(--blanc);
  text-decoration: none;
  font-weight: bold;
}
a:hover {
  color: var(--bois);
}

/* Header fixé */
.header-video {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 22vh;
  overflow: hidden;
  z-index: 1000;
}
.header-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.header-video .overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--vert-fonce-diffu-video);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.logo-site {
  height: 80px;
  margin-bottom: 0.5rem;
  filter: invert(100%) brightness(200%);
}
nav {
  display: flex;
  gap: 2rem;
}
nav a {
  color: var(--blanc);
  font-size: 1.2rem;
}

/* BURGER MENU - style des 3 barres */
.burger {
  display: none; /* caché sur desktop */
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-top: 0.4rem;
  z-index: 1100;
}

.burger span {
  width: 100%;
  height: 2.5px;
  background: var(--blanc);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Menu desktop */
.nav-desktop {
  display: flex;
  gap: 6rem;
}

/* Menu mobile - caché par défaut */
.nav-mobile {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  background: var(--vert-fonce-diffu-page); /* vert foncé semi transparent */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 1050;
}

.nav-mobile.open {
  transform: translateX(0);
}

.nav-mobile a {
  color: var(--blanc);
  font-size: 1.6rem;
  font-weight: bold;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-mobile a:hover,
.nav-mobile a:focus {
  color: var(--bois);
  outline: none;
}

/* Correction décalage contenu dû au header fixe */
main {
  padding-top: 22vh;
}

section {
  background-color: white;
  border-radius: 10px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

h2 {
  margin-top: 0;
  border-bottom: 2px solid var(--vert-fonce);
  padding-bottom: 0.5rem;
  font-size: 1.8rem;
}

/* Titres animés */
.animated-title {
  font-size: 2em;
  font-weight: bold;
  color: var(--vert-fonce);
  opacity: 0;
  transform: translateY(-10px);
  animation: slideDown 1s forwards;
}

/* Mots clés en gras et couleur */
.bold, .highlight {
  font-size: 1em;
  font-weight: bold;
  color: var(--vert-fonce); /* couleur attractive mais sobre */
  display: inline-block;
  transition: transform 0.2s, color 0.2s; /* transition douce */
}

/* Effet survol sobre */
.bold:hover, .highlight:hover {
  color: var(--rouge-rupture); /* petite variation de couleur */
}

/* fade-in par défaut */
.fade-in {
  opacity: 0;
  transition: all 0.8s ease-out;
}

/* Quand l'élément devient visible */
.fade-in.active {
  opacity: 1;
  transform: translateY(-20px);
  transition: all 0.8s ease-out;
}

/* ======== SECTION CONTACT ======== */
.contact {
  background: var(--blanc);
  border-radius: 12px;
  padding: 2em;
  margin-top: 3em;
  border: 2px solid var(--vert-fonce);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  margin-left: auto;
  margin-right: auto;
  width: clamp(200px, 80%, 600px); 
  margin-bottom: 3rem;
}

.contact h2 {
  text-align: center;
  color: var(--vert-fonce);
  margin-bottom: 1em;
}

.contact p {
  text-align: center;
  margin-bottom: 2em;
  color: var(--vert-fonce);
  font-size: 1.1em;
}

.contact form {
  display: flex;
  flex-direction: column;
  gap: 1.2em;
}

.contact label {
  font-weight: 600;
  color: var(--vert-fonce);
  margin-bottom: 0.5em;
}

.contact input,
.contact textarea,
.contact select {
  padding: 0.7em;
  border-radius: 6px;
  border: 2px solid var(--vert-fonce);
  font-size: 1em;
  font-family: inherit;
  background-color: var(--blanc);
  transition: border-color 0.2s ease;
}

.contact input:focus,
.contact textarea:focus,
.contact select:focus {
  border-color: var(--vert-fonce);
  outline: none;
  background-color: var(--blanc);
}

.contact button {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--vert-fonce);
  color: white;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
  transition: background 0.3s;
}

.contact button:hover {
  background: var(--bois);
  color: var(--vert-fonce);
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  background: var(--vert-fonce);
  color: #fff;
  padding: 0.9rem 1.1rem;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: .75rem;
  max-width: min(90vw, 520px);
  font-size: 0.95rem;
}
.toast.error { background: #b91c1c; }
.toast .toast-close {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
}
.hidden { display: none; }


/* Footer */
footer {
  background-color: var(--vert-fonce);
  color: var(--blanc);
  text-align: center;
  padding: 0.8rem 0.5rem;
}

footer a {
  color: var(--bois);
}

.footer-reseaux .reseaux-icons {
  display: flex;
  justify-content: center;
  gap: 2.2rem;
  margin: 0.1rem 0;
}

footer p {
  margin: 0.3rem 0;
}

.reseau-logo {
  height: 30px;
  width: 30px;
  filter: invert(100%) brightness(200%);
}

.logo-site-end {
  height: 60px;
  margin-bottom: 0.2rem;
  filter: invert(100%) brightness(200%);
}

.footer-bottom {
  margin-top: 0.2rem;
  font-size: 0.8rem;
}

/* ======== ANIMATIONS D’APPARITION ======== */

/* Afficher burger sur petits écrans, cacher menu desktop */
@media (max-width: 900px) {
  .nav-desktop {
    display: none;
  }
  .burger {
    display: flex;
  }
}

@keyframes slideDown {
  to { opacity: 1; transform: translateY(0); }
}

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