/* ═══════════════════════════════════════════════════════════
   NAV — barra superior fixa
   Estrutura idêntica em todas as páginas. O CTA da direita
   muda por página (texto + cor) via --accent.
═══════════════════════════════════════════════════════════ */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);

  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 38px;

  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hair);
  transition: background-color .6s ease;
}

html[data-theme="dark"] nav  { background: rgba(11, 12, 18, .78); }
html[data-theme="light"] nav { background: rgba(244, 240, 231, .80); }

/* ───── Marca (logo + conceito) ───── */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
}

.logo-wrap {
  width: 44px;
  height: 44px;
  overflow: hidden;
  border-radius: 9px;
  flex-shrink: 0;
}

/* O logo PNG é maior que o quadro — cortamos com overflow:hidden
   e deslocamos com margens negativas para emoldurar. */
.logo-wrap img {
  width: 64px;
  height: auto;
  margin-left: -10px;
  margin-top: -9px;
  display: block;
}

.brand .concept {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -.005em;
  color: var(--fg);
  padding-left: 10px;
  border-left: 1px solid var(--hair);
}

@media (max-width: 760px) {
  .brand .concept { display: none; }
}

/* ───── Lado direito (links + ações) ───── */
.nav-right,
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-right { gap: 28px; }

/* Links horizontais (apenas no index) */
.nav-links {
  display: flex;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.nav-links a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--dim);
  transition: color .25s ease;
  padding: 4px 0;
}

.nav-links a svg {
  width: 14px;
  height: 14px;
  flex: none;
  color: var(--accent, var(--fg));
}

.nav-links a:hover { color: var(--fg); }

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--accent, var(--fg));
  transition: width .3s ease;
}

.nav-links a:hover::after { width: 100%; }

@media (max-width: 860px) {
  .nav-links { display: none; }
}

/* ───── Theme toggle (pílula com 2 segmentos) ───── */
.theme-toggle {
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 3px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.theme-toggle span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border-radius: var(--r-pill);
  color: var(--dim);
  transition: .25s ease;
}

.theme-toggle svg {
  width: 13px;
  height: 13px;
  flex: none;
}

/* Segmento ativo = ícone preenchido com a cor do texto principal */
html[data-theme="dark"]  .theme-toggle span.dk { background: var(--fg); color: var(--bg); }
html[data-theme="light"] .theme-toggle span.lt { background: var(--fg); color: var(--bg); }

@media (max-width: 680px) {
  .theme-toggle { display: none; }
}

/* ───── CTA do nav (botão "Pedir orçamento", "Iniciar projeto" etc) ───── */
.navcta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 9px 18px;
  border-radius: var(--r-pill);
  transition: .25s ease;
  white-space: nowrap;
}

.navcta:hover {
  background: var(--accent);
  color: #fff;
}

/* Em Filme.html o accent é âmbar — texto fica escuro pra ter contraste */
[data-page="video"] .navcta:hover { color: #15161F; }

@media (max-width: 480px) {
  nav { padding: 13px 20px; }
}