/* ============================================================
   NAVBAR — transparente sobre o hero, glass ao rolar,
   esconde ao descer / reaparece ao subir, mega-dropdown
   ============================================================ */

.navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: var(--z-nav);
  background: transparent;
  transition: transform 0.45s var(--ease-out-expo),
              background 0.35s ease, box-shadow 0.35s ease,
              backdrop-filter 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.15rem;
}

/* glass ao rolar */
.navbar.is-scrolled {
  background: rgba(10, 10, 12, 0.6);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  border-bottom-color: var(--line-soft);
}
.theme-light .navbar.is-scrolled { background: rgba(255, 255, 255, 0.7); }
.navbar.is-scrolled .navbar__inner { padding-block: 0.8rem; }

/* esconde ao descer */
.navbar.is-hidden { transform: translateY(-105%); }

/* ---- Logo ---- */
.navbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.navbar__brand .brand-hub { color: var(--purple-light); }
.navbar__logo-img {
  height: 34px; width: auto;
  flex-shrink: 0;
  display: block;
}

/* ---- Links ---- */
.navbar__links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.navbar__item { position: relative; }
.navbar__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--ink-2);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-btn);
  transition: color 0.25s ease, background 0.25s ease;
}
.navbar__link:hover,
.navbar__link.is-active { color: var(--ink); }
.navbar__link .chev {
  width: 14px; height: 14px;
  transition: transform 0.3s var(--ease-out-expo);
}
.navbar__item:hover .navbar__link .chev,
.navbar__item.is-open .navbar__link .chev { transform: rotate(180deg); }

/* sublinhado roxo na aba ativa */
.navbar__link.is-active::after {
  content: "";
  position: absolute;
  left: 0.85rem; right: 0.85rem;
  bottom: 0.15rem;
  height: 2px;
  border-radius: 2px;
  background: var(--purple);
}

/* ============================================================
   MEGA-DROPDOWN de Serviços
   ============================================================ */
.mega {
  position: absolute;
  top: calc(100% + 0.6rem);
  left: 50%;
  transform: translateX(-50%) scaleY(0.85);
  transform-origin: top center;
  width: min(760px, 92vw);
  background: rgba(17, 16, 20, 0.92);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), var(--glow-soft);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, transform 0.35s var(--ease-out-expo), visibility 0.3s ease;
}
.theme-light .mega { background: rgba(255, 255, 255, 0.96); }

.navbar__item:hover .mega,
.navbar__item.is-open .mega {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) scaleY(1);
}

.mega__col-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple-light);
  margin-bottom: 0.9rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}
.mega__link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0.6rem;
  margin-inline: -0.6rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-2);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.mega__link svg { width: 18px; height: 18px; color: var(--purple-light); flex-shrink: 0; }
.mega__link:hover {
  background: rgba(157, 78, 221, 0.12);
  color: var(--ink);
  transform: translateX(3px);
}

/* ---- CTA WhatsApp ---- */
.navbar__cta { padding: 0.6rem 1.1rem; font-size: 0.9rem; }

/* ---- toggle de tema ---- */
.theme-toggle {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: var(--radius-btn);
  color: var(--ink-2);
  border: 1px solid var(--line-soft);
  transition: var(--transition);
}
.theme-toggle:hover { color: var(--ink); border-color: var(--purple); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
.theme-light .theme-toggle .icon-sun { display: block; }
.theme-light .theme-toggle .icon-moon { display: none; }

/* ---- Hamburger ---- */
.navbar__toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--radius-btn);
  position: relative;
  z-index: calc(var(--z-overlay) + 1);
}
.navbar__toggle span {
  position: absolute; left: 50%;
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform 0.3s ease, opacity 0.2s ease, top 0.3s ease;
}
.navbar__toggle span:nth-child(1) { top: 15px; }
.navbar__toggle span:nth-child(2) { top: 21px; }
.navbar__toggle span:nth-child(3) { top: 27px; }
.navbar__toggle.is-open span:nth-child(1) { top: 21px; transform: translateX(-50%) rotate(45deg); }
.navbar__toggle.is-open span:nth-child(2) { opacity: 0; }
.navbar__toggle.is-open span:nth-child(3) { top: 21px; transform: translateX(-50%) rotate(-45deg); }

/* ============================================================
   MENU MOBILE — overlay
   ============================================================ */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(10, 10, 12, 0.98);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: 6rem var(--pad) 2.5rem;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
}
.theme-light .mobile-menu { background: rgba(255, 255, 255, 0.98); }
.mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; }

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--ink);
  padding-block: 0.55rem;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-menu__link:active { color: var(--purple-light); }

.mobile-acc__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--ink);
  padding-block: 0.55rem;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-acc__head .chev { width: 22px; height: 22px; color: var(--purple-light); transition: transform 0.3s ease; }
.mobile-acc.is-open .mobile-acc__head .chev { transform: rotate(180deg); }
.mobile-acc__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out-expo);
}
.mobile-acc.is-open .mobile-acc__body { max-height: 720px; }
.mobile-acc__body a {
  display: block;
  font-size: 1rem;
  color: var(--ink-2);
  padding: 0.6rem 0 0.6rem 1rem;
}
.mobile-acc__body a:active { color: var(--purple-light); }

.mobile-menu__cta { margin-top: 1.6rem; font-size: 1.05rem; padding: 1rem; }

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 920px) {
  .navbar__links,
  .navbar__cta--desk,
  .theme-toggle--desk { display: none; }
  .navbar__toggle { display: block; }
}