nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,33,64,0.98);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1.2rem, 3.8vw, 3rem); height: clamp(64px, 6vw, 70px);
  box-shadow: 0 1px 18px rgba(0,0,0,0.16);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-brand { font-family: 'DM Sans', sans-serif; font-size: clamp(1rem, 2vw, 1.12rem); color: #fff; font-weight: 700; white-space: nowrap; text-decoration: none; letter-spacing: 0; }
.nav-brand span { color: #fff; }
.nav-links { display: flex; align-items: center; gap: clamp(0.35rem, 1.2vw, 1.1rem); }
.nav-links a {
  color: rgba(255,255,255,0.75); text-decoration: none;
  font-size: clamp(0.86rem, 1vw, 0.95rem); font-weight: 500; padding: 0.55rem 0.65rem;
  border-radius: 7px; transition: background 0.2s, color 0.2s;
}
.nav-links a:hover { background: rgba(255,255,255,0.07); color: #fff; }
.nav-cta { background: var(--green) !important; color: #fff !important; font-weight: 700 !important; padding: 0.72rem 1.35rem !important; border-radius: 7px !important; box-shadow: 0 6px 18px rgba(57,116,158,0.2); }
.nav-cta:hover { background: var(--green-mid) !important; }
.nav-hamburger { display: none; background: none; border: none; color: #fff; font-size: 22px; cursor: pointer; }

@media (max-width: 760px) {
  nav { height: 64px; padding: 0 1.2rem; }
  .nav-brand {
    max-width: calc(100vw - 78px);
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10,33,64,0.98);
    padding: 0.8rem 1.2rem 1rem;
    gap: 0.2rem;
    border-top: 1px solid rgba(255,255,255,0.07);
  }
  .nav-links.open { display: flex; }
  .nav-links a { min-height: 42px; display: flex; align-items: center; padding: 0.75rem 0; }
  .nav-cta { text-align: center; justify-content: center; margin-top: 0.25rem; }
  .nav-hamburger { display: block; }
}