/* Palette :
   - Bleu sarcelle : #2E7D88
   - Bleu clair : #E0F4F3
   - Jaune doux : #F7B733
   - Gris texte : #222
   - Fond clair : #F9FAFB
*/

body {
  font-family: 'Inter', sans-serif;
  color: #222;
  background-color: #F9FAFB;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 5%;
  background-color: #2E7D88;
  color: white;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  margin-right: 10px;
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 1.5rem;
  font-weight: 500;
}

nav a:hover {
  color: #F7B733;
}

.hero {
  text-align: center;
  padding: 5rem 2rem;
  background-color: #E0F4F3;
}

.hero h2 {
  font-size: 2rem;
  color: #2E7D88;
}

.cta {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.8rem 1.5rem;
  background-color: #2E7D88;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.3s ease;
}

.cta:hover {
  background-color: #24666f;
}

.expertise, .projets, .apropos, .contact {
  padding: 3rem 5%;
  max-width: 1000px;
  margin: auto;
}

h2 {
  color: #2E7D88;
  margin-bottom: 1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

footer {
  text-align: center;
  padding: 1.5rem;
  background-color: #2E7D88;
  color: white;
  font-size: 0.9rem;
}