/* Site du service informatique d'ELOG - équipe e21 */
:root {
  --bleu: #0f2a44;
  --turquoise: #12a39a;
  --turquoise-clair: #e3f5f3;
  --gris: #f4f6f8;
  --texte: #1d2733;
  --texte-doux: #5b6b7c;
  --orange: #e8912d;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "Segoe UI", Roboto, Arial, sans-serif; color: var(--texte); line-height: 1.6; background: #fff; }
a { color: inherit; text-decoration: none; }
.conteneur { width: 90%; max-width: 1100px; margin: 0 auto; }

/* En-tête fixe */
.entete { position: sticky; top: 0; z-index: 10; background: rgba(15, 42, 68, 0.97); color: #fff; }
.entete-ligne { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.3rem; letter-spacing: 1px; }
.logo small { font-weight: 400; font-size: 0.8rem; opacity: 0.75; letter-spacing: 0; }
.logo-carre { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; background: var(--turquoise); }
.menu { display: flex; align-items: center; gap: 26px; }
.menu a { opacity: 0.85; transition: opacity 0.2s; }
.menu a:hover, .menu a.actif { opacity: 1; color: #7fe0d8; }
.burger { display: none; background: none; border: 0; color: #fff; font-size: 1.6rem; cursor: pointer; }

/* Boutons */
.bouton { display: inline-block; padding: 12px 24px; border-radius: 8px; background: var(--turquoise); color: #fff; font-weight: 600; border: 0; cursor: pointer; transition: transform 0.2s, background 0.2s; }
.bouton:hover { background: #0e8a82; transform: translateY(-2px); }
.bouton.clair { background: transparent; border: 2px solid #fff; }
.bouton.petit { padding: 8px 16px; opacity: 1; }
.menu .bouton.petit:hover { color: #fff; }

/* Accueil */
.hero { background: linear-gradient(135deg, var(--bleu) 0%, #17476e 100%); color: #fff; padding: 90px 0; }
.hero-grille { display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px; align-items: center; }
.etiquette { display: inline-block; padding: 4px 12px; border-radius: 20px; background: rgba(255, 255, 255, 0.12); font-size: 0.85rem; margin-bottom: 18px; }
.hero h1 { font-size: 2.8rem; line-height: 1.15; margin-bottom: 18px; }
.intro { font-size: 1.15rem; opacity: 0.9; margin-bottom: 30px; max-width: 560px; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Cartes */
.carte { background: #fff; color: var(--texte); border-radius: 14px; padding: 26px; box-shadow: 0 8px 24px rgba(15, 42, 68, 0.08); transition: transform 0.25s, box-shadow 0.25s; }
.carte:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(15, 42, 68, 0.14); }
.carte h3 { margin: 10px 0 6px; }
.carte p { color: var(--texte-doux); }
.cartes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cartes.deux { grid-template-columns: repeat(2, 1fr); max-width: 700px; }
.icone { font-size: 2rem; width: 56px; height: 56px; display: grid; place-items: center; border-radius: 12px; background: var(--turquoise-clair); }
.sous-titre { color: var(--texte-doux); margin-bottom: 14px; }
.arrivee h2 { font-size: 1.3rem; }
.checklist { list-style: none; }
.checklist li { padding: 8px 0 8px 30px; position: relative; border-bottom: 1px solid #eef1f4; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 12px; width: 16px; height: 16px; border-radius: 50%; border: 2px solid #c5ced8; }
.checklist li.fait::before { background: var(--turquoise); border-color: var(--turquoise); }

/* Chiffres */
.chiffres { background: var(--turquoise); color: #fff; padding: 34px 0; }
.chiffres-grille { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; gap: 20px; }
.chiffres strong { display: block; font-size: 2.4rem; }

/* Sections */
.bloc { padding: 80px 0; }
.bloc.gris { background: var(--gris); }
.titre-section { font-size: 2rem; margin-bottom: 28px; color: var(--bleu); }
.etat-liste { list-style: none; background: #fff; border-radius: 14px; box-shadow: 0 8px 24px rgba(15, 42, 68, 0.08); }
.etat-liste li { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; border-bottom: 1px solid #eef1f4; }
.pastille { padding: 4px 12px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; }
.pastille.ok { background: #dff5e6; color: #1d7a3e; }
.pastille.attention { background: #fdeedb; color: #a35b0c; }
.membre { text-align: center; }
.avatar { width: 84px; height: 84px; margin: 0 auto; display: grid; place-items: center; border-radius: 50%; background: var(--bleu); color: #fff; font-weight: 700; }

/* Contact */
.contact-grille { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.formulaire label { display: block; font-weight: 600; margin-bottom: 16px; }
.formulaire select, .formulaire textarea { display: block; width: 100%; margin-top: 6px; padding: 10px; border: 1px solid #c5ced8; border-radius: 8px; font: inherit; }
.message { margin-top: 14px; font-weight: 600; color: #1d7a3e; }

/* Pied de page */
.pied { background: var(--bleu); color: rgba(255, 255, 255, 0.75); text-align: center; padding: 26px 0; font-size: 0.9rem; }

/* Téléphone et tablette */
@media (max-width: 860px) {
  .burger { display: block; }
  .menu { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--bleu); padding: 10px 0; }
  .menu.ouvert { display: flex; }
  .menu a { padding: 12px 0; }
  .hero-grille, .contact-grille { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .cartes, .cartes.deux, .chiffres-grille { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .cartes, .cartes.deux { grid-template-columns: 1fr; }
}