.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246,247,251,.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  transition: box-shadow .2s;
}
.nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.07); }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text);
}
.nav__logo-icon {
  width: 40px; height: 40px;
  background: var(--blue);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 14px rgba(47,107,255,.35);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  font-weight: 700;
  font-size: .95rem;
  color: var(--muted);
  transition: color .15s;
}
.nav__links a:hover { color: var(--blue); }

.nav__cta { margin-left: 8px; padding: 10px 22px; font-size: .9rem; }

.nav__burger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,.08);
  }
  .nav__burger { display: flex; }
}