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

body {
  font-family: Helvetica, Arial, sans-serif;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #ede8d0;
  color: #2b1114;
  overflow-x: hidden;
}

/* back-to-portfolio bar */
header {
  width: 100%;
  padding: 12px 20px;
  background: #ede8d0;
  border-bottom: 1px solid #d8d0b4;
}
.back-to-site {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #2b1114;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.95rem;
}
.back-to-site:hover {
  color: #ca3504;
}

nav ul.menu {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-direction: row;
  background: #ca3504;
}

nav ul.menu li {
  position: relative;
  width: auto;
}

nav a {
  display: block;
  color: white;
  padding: 14px 16px;
  text-decoration: none;
  transition: background-color 0.3s;
}

nav a:hover {
  background-color: #d39a1c;
}

/* Icon + text only for the Accueil link */
nav a.nav-home {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  width: 100%;
}

nav a.nav-home .nav-icon {
  width: 1em;
  height: 1em;
  fill: currentColor;
  opacity: 0.95;
  transform: translateY(-1px);
}

.submenu {
  display: none;
  position: absolute;
  top: 100%;
  background: rgba(202, 53, 4, 0.85);
  border-radius: 0 0 8px 8px;
  flex-direction: column;
  min-width: 180px;
  list-style-type: none;
  z-index: 100;
}

.has-submenu:hover .submenu {
  display: flex;
}

.submenu a {
  padding: 10px 16px;
  text-align: left;
  white-space: nowrap;
}

.submenu-toggle {
  display: block;
  color: white;
  padding: 14px 16px;
  text-decoration: none;
  cursor: pointer;
  background: inherit;
  transition: background-color 0.3s;
}

.submenu-toggle:hover {
  background-color: #d39a1c;
}

#image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 78vh;
  width: 100vw;
  overflow: hidden;
  margin-top: 0;
}

#image-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  text-align: center;
  flex-direction: row;
  gap: 15px;
  margin: 20px 10px;
}

.buttons button {
  padding: 10px 15px;
  font-size: 1rem;
  border-radius: 20px;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}

button {
  background-color: #ca3504;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #d39a1c;
}

.red-text {
  color: #ca3504;
}

.intro-text {
  text-align: center;
  font-weight: bold;
  font-size: 1.1rem;
}

.counter-text {
  text-align: center;
  font-weight: bold;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.num-counter {
  font-weight: bold;
  font-size: 1.5rem;
  color: #ca3504;
  margin-bottom: 10px;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background-color: #c5ba9a;
  padding: 20px 30px;
  border-radius: 8px;
  max-width: 700px;
  margin: 20px;
  text-align: center;
  line-height: 1.6;
  color: #2b1114;
}

.modal-content a {
  color: #2b1114;
  text-decoration: underline;
}

footer {
  text-align: center;
  background: #c5ba9a;
  padding: 10px;
  position: relative;
}

footer a {
  color: #2b1114;
  text-decoration: underline;
  transition: color 0.3s;
}

footer a:hover {
  color: #d39a1c;
}

.leaf {
  position: absolute;
  pointer-events: none;
  top: -50px;
  width: 50px;
  animation: blow 8s linear infinite;
}

#leaf1 {
  left: 0;
  animation-delay: 0s;
}

#leaf2 {
  left: 20%;
  animation-delay: 4s;
}

#leaf3 {
  left: 50%;
  animation-delay: 9s;
}

@keyframes blow {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  100% {
    transform: translate(100vw, 100vh) rotate(360deg);
  }
}

@media (max-width: 900px) {
  #image-container {
    height: auto;
  }
}

@media (max-width: 800px) {
  nav ul.menu {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .buttons button {
    font-size: 0.9rem;
    padding: 8px 12px;
    min-width: 140px;
  }

  #image-container {
    padding: 0 10px;
  }

  .submenu {
    position: static;
    background: rgba(202, 53, 4, 0.95);
    width: 100%;
    text-align: center;
    padding: 10px 0;
  }
  .submenu a {
    padding: 18px;
    font-size: 1.1em;
  }

  .has-submenu > .submenu-toggle::after {
    content: " ▾";
    font-size: 1.2em;
  }
}