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

:root {
  --forest-green: #0b3d2e;      /* vert foncé principal */
  --cream-beige: #f7f7ef;       /* beige clair */
  --golden-yellow: #efc107;     /* jaune doré */
  --sage-green: #a8b8ac;        /* vert sauge */
  --light-grey: #ddd;           /* gris clair pour texte */
  --medium-grey: #777;          /* gris moyen pour texte */
  --dark-grey: #333;            /* gris foncé pour texte */
  --black-shadow: #000;         /* noir pour ombres */
  --pure-white: #fff;           /* blanc pur */
}

html, body {
  font-family: 'Cascadia Mono', monospace;
  font-weight: 600;
  color: var(--dark-grey);
  background: var(--cream-beige);
  zoom = 120%;
}

header {
  background: var(--forest-green);
  color: var(--pure-white);
  padding: 30px 40px 180px 40px;
  text-align: center;
  position: relative;
  overflow: visible;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: transparent;
  border-radius: 50%;
  opacity: 0;
  z-index: 0;
  display: none;
}

header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--sage-green);
  clip-path: polygon(0 76%,15% 92%,100% 92%,100% 100%, 15% 100%, 0% 81%);
  z-index: 1;
}

.lang-switcher {
  position: absolute;
  top: 20px;
  right: 40px;
  display: flex;
  gap: 10px;
  z-index: 10;
}

.header-yellow-band {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--golden-yellow);
  clip-path: polygon(0 72%, 15% 89%, 100% 89%, 100% 96%, 15% 96%, 0% 75%);
  z-index: 1;
}

.header-sage-band {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--sage-green);
  clip-path: polygon(0 75%,15% 92%,100% 92%,100% 100%, 15% 100%, 0% 83%);
  z-index: 2;
}

.header-green-band {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--forest-green);
  clip-path: polygon(0 75%,15% 92%,100% 92%,100% 94%, 15% 94%, 0% 76%);
  z-index: 2;
}

.header-cream-triangle {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--cream-beige);
  clip-path: polygon(0 83%, 15% 100%, 0% 100%);
  z-index: 2;
}

.lang-btn {
  padding: 8px 15px;
  background: transparent;
  color: var(--pure-white);
  border: 1px solid var(--pure-white);
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9em;
  transition: all 0.3s ease;
}

.lang-btn:hover {
  background: var(--golden-yellow);
  color: var(--forest-green);
}

.lang-btn.active {
  background: var(--golden-yellow);
  color: var(--forest-green);
  border-color: var(--golden-yellow);
}

.header-logo {
  max-width: 250px;
  height: auto;
  margin: 0 auto 30px;
  display: block;
  position: relative;
  z-index: 1;
}

header h1 {
  font-size: 5em;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

header p {
  font-size: 1.2em;
  color: var(--light-grey);
  position: relative;
  z-index: 1;
}

section {
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.section-light {
  background: var(--cream-beige);
}

.section-dark {
  background: var(--forest-green);
  color: var(--pure-white);
  border-radius: 20px;
  margin: 40px auto;
  max-width: 95vw;
  width: 100%;
  padding: 80px 60px;
}

.section-white {
  background: var(--pure-white);
}

.section-title {
  font-size: 2.5em;
  margin-bottom: 20px;
  color: var(--forest-green);
}

.section-dark .section-title {
  color: var(--pure-white);
}

.section-subtitle {
  font-size: 1.1em;
  color: var(--sage-green);
  margin-bottom: 40px;
}

.section-dark .section-subtitle {
  color: var(--light-grey);
}

.content-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin: 40px 0;
}

.content-text h3 {
  font-size: 1.8em;
  color: var(--forest-green);
  margin: 30px 0 15px 0;
}

.section-dark .content-text h3 {
  color: var(--golden-yellow);
}

.content-text p {
  line-height: 1.8;
  color: #555;
  margin-bottom: 15px;
}

.section-dark .content-text p {
  color: var(--light-grey);
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 50px 0;
}

.image-card {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 15px var(--black-shadow);
  transition: transform 0.3s ease;
  opacity: 0.9;
}

.image-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px var(--black-shadow);
  opacity: 1;
}

.image-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin: 50px 0;
}

.icon-item {
  text-align: center;
  padding: 30px;
  background: var(--pure-white);
  border-radius: 8px;
  box-shadow: 0 2px 10px var(--black-shadow);
  opacity: 0.95;
}

.section-dark .icon-item {
  background: var(--forest-green);
  border: 1px solid var(--sage-green);
  opacity: 1;
  border-radius: 20px;
  padding: 50px 40px;
}

.icon-item h4 {
  margin: 15px 0 10px 0;
  color: var(--forest-green);
  font-size: 2em;
}

.section-dark .icon-item h4 {
  color: var(--golden-yellow);
}

.icon-item p {
  color: var(--medium-grey);
  font-size: 0.95em;
  line-height: 1.6;
}

.section-dark .icon-item p {
  color: var(--light-grey);
}

.cta-buttons {
  display: flex;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 40px;
  font-size: 1em;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: var(--golden-yellow);
  color: var(--forest-green);
}

.btn-primary:hover {
  background: var(--golden-yellow);
  transform: translateY(-2px);
  opacity: 0.8;
}

.btn-secondary {
  background: var(--forest-green);
  color: var(--pure-white);
  border: 2px solid var(--forest-green);
}

.btn-secondary:hover {
  background: transparent;
  color: var(--forest-green);
}

.accent-line {
  width: 100px;
  height: 4px;
  background: var(--golden-yellow);
  margin: 20px 0;
}

footer {
  background: var(--forest-green);
  color: var(--pure-white);
  text-align: center;
  padding: 40px;
  border-top: 4px solid var(--golden-yellow);
}

.social-links {
  margin: 20px 0;
}

.social-links a {
  display: inline-block;
  width: 40px;
  height: 40px;
  margin: 0 10px;
  background: var(--golden-yellow);
  border-radius: 50%;
  line-height: 40px;
  color: var(--forest-green);
  text-decoration: none;
  transition: all 0.3s ease;
  opacity: 0.4;
}

.social-links a:hover {
  background: var(--golden-yellow);
  color: var(--forest-green);
  opacity: 1;
}

@media (max-width: 768px) {
  .content-row, .image-grid, .icon-grid {
    grid-template-columns: 1fr;
  }
  
  header h1 {
    font-size: 2em;
  }
  
  .section-title {
    font-size: 1.8em;
  }
}