.bandeau{background:var(--riviere);color:var(--blanc);text-align:center;padding:5rem 1.2rem 4rem}
.bandeau .eyebrow{display:inline-block;background:var(--soleil);color:var(--nuit);font-weight:700;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;padding:.35rem .9rem;border-radius:4px;margin-bottom:1rem}
.bandeau h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;margin:0 auto .8rem}
.bandeau p{max-width:55ch;margin:0 auto;opacity:.92;font-size:1.1rem}

.contact-grille{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:start}
.form-carte{background:var(--blanc);border-radius:20px;box-shadow:0 12px 40px rgba(32,36,29,.1);padding:2.5rem}
.form-carte h2{font-size:1.4rem;margin-bottom:1.4rem}
.champ{margin-bottom:1.1rem}
.champ label{display:block;font-weight:600;font-size:.92rem;margin-bottom:.35rem}
.champ input,.champ textarea,.champ select{width:100%;border:2px solid rgba(32,36,29,.15);border-radius:12px;padding:.85rem 1rem;font-size:1rem;font-family:'Figtree',sans-serif;background:var(--blanc)}
.champ input:focus,.champ textarea:focus,.champ select:focus{outline:none;border-color:var(--laterite)}
.champ textarea{min-height:140px;resize:vertical}
.form-carte .btn{width:100%;text-align:center;padding:1rem;font-size:1.1rem}
.form-note{text-align:center;font-size:.85rem;opacity:.65;margin-top:.9rem}

.coordonnees h2{font-size:1.4rem;margin-bottom:1.2rem}
.coord-carte{background:var(--blanc);border:1px solid rgba(32,36,29,.1);border-radius:16px;padding:1.6rem;margin-bottom:1rem}
.coord-carte h3{font-size:1rem;color:var(--riviere);margin-bottom:.4rem}
.coord-carte p,.coord-carte a{font-size:.98rem;opacity:.85;text-decoration:none}
.coord-carte a:hover{color:var(--laterite);opacity:1}
.reseaux{display:flex;gap:.7rem;margin-top:.4rem}
.reseaux a{display:inline-block;background:var(--nuit);color:var(--blanc);border-radius:999px;padding:.55rem 1.2rem;font-weight:700;font-size:.9rem;text-decoration:none;transition:background .15s}
.reseaux a:hover{background:var(--laterite)}

.alerte-carte{border-radius:14px;padding:1rem 1.3rem;font-size:.95rem;font-weight:600;margin-bottom:1.4rem}
.alerte-carte.succes{background:rgba(46,94,78,.12);border:1px solid rgba(46,94,78,.35);color:var(--riviere)}
.alerte-carte.erreur{background:rgba(176,62,23,.1);border:1px solid rgba(176,62,23,.35);color:var(--laterite)}
.champ .erreur-champ{color:var(--laterite);font-size:.82rem;margin-top:.3rem}

@media (max-width:820px){.contact-grille{grid-template-columns:1fr}}