/* ================ NAVBAR ================ */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 2px solid rgba(144, 169, 85, 0.25); /* borde verde suave */
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #2a2a2a;
}

.brand img {
  width: 120px;
  height: auto;
}

.brand span {
  font-size: 1.15rem;
  color: var(--green-700);
  letter-spacing: 0.3px;
}

nav ul {
  display: flex;
  gap: 22px;
  list-style: none;
  padding: 0;
  margin: 0;
}

nav a {
  color: #2a2a2a;
  font-weight: 500;
  opacity: 0.85;
  transition: color 0.3s, opacity 0.3s;
}

nav a:hover {
  color: var(--green-700);
  opacity: 1;
}

.cta-mini {
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--green-700);
  border: 1px solid rgba(144,169,85,.3);
  color: #fff;
  font-weight: 600;
  transition: background .3s, color .3s;
}

.cta-mini:hover {
  background: var(--green-500);
  color: #132A13;
}