.cabecalho-site {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--verde-principal);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.menu-navegacao {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
}

.marca-site {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--texto-claro);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.16rem);
  font-weight: 800;
}

.logo-agro-icone {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 68% 30%, #9fe38f 0 24%, transparent 26%),
    radial-gradient(circle at 34% 70%, #c5f0bb 0 24%, transparent 26%),
    linear-gradient(140deg, #3da15c, #1d7a40);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.lista-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.link-menu {
  display: inline-block;
  color: var(--texto-claro);
  font-weight: 600;
  font-size: clamp(0.92rem, 0.88rem + 0.12vw, 1rem);
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
}

.link-menu:hover,
.link-menu:focus-visible {
  background: rgba(255, 255, 255, 0.2);
  outline: none;
}

.botao-menu-mobile {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  color: var(--texto-claro);
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}