/* =========================================================
   footer.css — Footer (fundo verde-acinzentado) + lockup
   Reutilizável em todas as páginas de conteúdo.
   Carregar a seguir a header.css.
   ========================================================= */
.footer{
  position:relative;background:var(--grey-green-dark);color:var(--white);
  padding:96px 0 40px;overflow:hidden;isolation:isolate;
}
.footer::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(80% 60% at 20% 10%, #6b8a86 0%, #54726e 55%, #3f5c58 100%);
}
.footer::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg, rgba(54,84,80,.35), rgba(54,84,80,.65));
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;align-items:start;
}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:40px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{margin-top:-16px}
.footer-brand .lockup{color:var(--white);display:flex;align-items:center;gap:10px;font-weight:800;font-size:26px;margin:0 0 14px}
.footer-brand .lockup .wordmark{display:inline-flex;align-items:baseline;gap:0;letter-spacing:-.01em}
.footer-brand .lockup .om{opacity:.75}
.footer-brand .lockup .ip{color:var(--green-500)}
.footer-brand .lockup .sep{width:1px;height:20px;background:rgba(255,255,255,.5)}
.footer-brand .lockup .tag{font-size:15px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;opacity:.9}
.footer-brand p{color:rgba(255,255,255,.78);font-size:14px;line-height:1.55;max-width:320px;margin-top:6px}
.footer h5{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin:0 0 14px;color:rgba(255,255,255,.7)}
.footer-col p, .footer-col a{color:rgba(255,255,255,.92);font-size:15px;line-height:1.55;text-decoration:none}
.footer-col a:hover{color:var(--green-300)}
.footer-sep{height:1px;background:rgba(255,255,255,.15);margin:56px 0 24px}
.footer-bottom{display:flex;justify-content:center;color:rgba(255,255,255,.6);font-size:13px}