/* ============================================================
   NAV.CSS — Barra de navegação fixa
   ============================================================ */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 5%;
  transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}

/* Estado após rolar a página */
nav.scrolled {
  background: rgba(13, 10, 26, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 30px rgba(139, 68, 247, 0.15);
}

/* Na página de servicos e contato a nav já começa com fundo */
nav.solid {
  background: rgba(13, 10, 26, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 30px rgba(139, 68, 247, 0.12);
}

/* ── Logo ── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.nav-logo-img {
  height: 48px;
  width: 48px;
  border-radius: 10px;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s;
}
.nav-logo:hover .nav-logo-img { opacity: 0.88; }

/* ── Links ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }

/* Botão CTA na nav */
.nav-cta {
  background: var(--gradient) !important;
  color: var(--white) !important;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-xl);
  font-weight: 600 !important;
  transition: opacity 0.2s, transform 0.2s !important;
}
.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: var(--white) !important;
}

/* ── Hambúrguer (mobile) ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── Responsivo ── */
@media (max-width: 640px) {
  .nav-links  { display: none; }
  .hamburger  { display: flex; }
  nav         { padding: 1rem 5%; }
}