:root {
  --primary:#6b8e6b;
  --bg:#f7f7f5;
  --text:#2e2e2e;
}

/* GLOBAL */
body {
  margin:0;
  font-family: "Segoe UI", sans-serif;
  background:var(--bg);
  color:var(--text);
}

/* CONTAINER */
.container {
  max-width:1100px;
  margin:auto;
  padding:40px 20px;
}

/* HEADER */
.topbar {
  position:sticky;
  top:0;
  background:white;
  border-bottom:1px solid #eee;
  z-index:10;
}

.topbar .container {
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.logo {
  font-weight:600;
  font-size:20px;
}

nav a {
  margin-left:20px;
  text-decoration:none;
  color:#333;
}

/* HERO */
.hero {
  min-height:75vh;

  background-image: url("images/hero.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;

  display:flex;
  align-items:center;
  justify-content:center;

  position:relative;
  text-align:center;
}

/* Overlay corrigé */
.hero-overlay {
  position:absolute;
  inset:0;
  background: rgba(0,0,0,0.25);
  z-index:1;
}

/* Contenu au-dessus */
.hero-content {
  position:relative;
  z-index:2;
  color:white;
  max-width:700px;
  padding:20px;
}

.hero h1 {
  font-size:48px;
  margin-bottom:15px;
  line-height:1.2;
}

.hero p {
  font-size:18px;
  margin-bottom:20px;
}

/* Boutons */
.btn {
  padding:12px 22px;
  border-radius:8px;
  text-decoration:none;
  font-size:16px;
  margin:5px;
  display:inline-block;
}

.btn.primary {
  background:var(--primary);
  color:white;
}

.btn.secondary {
  border:1px solid white;
  color:white;
}

/* GRID */
.grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
}

.card {
  background:white;
  padding:30px;
  border-radius:12px;
  box-shadow:0 8px 20px rgba(0,0,0,0.05);
  text-decoration:none;
  color:#333;
  transition:0.2s;
}

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

/* ABOUT */
.about-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
  align-items:center;
}

.about img {
  width:100%;
  border-radius:12px;
}

/* CTA */
.cta {
  text-align:center;
  padding:60px 20px;
  background:white;
}

.cta h2 {
  margin-bottom:20px;
}

/* FOOTER */
.footer {
  text-align:center;
  padding:20px;
  background:white;
  margin-top:40px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero h1 {
    font-size:32px;
  }

  .about-grid {
    grid-template-columns:1fr;
  }
}
.contact-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}

form input,
form textarea {
  width:100%;
  padding:12px;
  margin-bottom:10px;
  border:1px solid #ddd;
  border-radius:6px;
}

@media (max-width:768px) {
  .contact-grid {
    grid-template-columns:1fr;
  }
}
.contact-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}

.map {
  border-radius:12px;
  overflow:hidden;
}

@media (max-width:768px) {
  .contact-grid {
    grid-template-columns:1fr;
  }
}
/* MOBILE GLOBAL */
@media (max-width: 768px) {

  body {
    font-size:16px;
  }

  .container {
    padding:20px 15px;
  }

  /* HEADER */
  .topbar .container {
    flex-direction:column;
    gap:10px;
  }

  nav a {
    margin:0 10px;
  }

  /* HERO */
  .hero {
    min-height:60vh;
    padding:20px;
  }

  .hero h1 {
    font-size:26px;
    line-height:1.3;
  }

  .hero p {
    font-size:15px;
  }

  /* boutons plus gros */
  .btn {
    display:block;
    width:100%;
    text-align:center;
    margin:10px 0;
  }

  /* CARDS */
  .grid {
    grid-template-columns:1fr;
  }

  .card {
    padding:20px;
  }

  /* ABOUT */
  .about-grid {
    grid-template-columns:1fr;
  }

  /* CONTACT */
  .contact-grid {
    grid-template-columns:1fr;
  }

}