/* =====================
   NAVBAR
   ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2.5rem;
  background: rgba(8, 12, 16, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--border);
  transition: padding var(--transition), background var(--transition);
}

.navbar.scrolled {
  padding: 0.875rem 2.5rem;
  background: rgba(8, 12, 16, 0.97);
}

/* LOGO */
.navbar__logo {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  user-select: none;
}

.navbar__logo span {
  color: var(--text-muted);
}

/* LINKS — desktop */
.navbar__links {
  display: flex;
  gap: 2rem;
}

.navbar__links a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--accent);
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  width: 100%;
}

/* HAMBURGUER — mobile */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text-primary);
  transition: all var(--transition);
}

.navbar__toggle.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.navbar__toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar__toggle.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* MENU MOBILE */
.navbar__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: var(--bg-primary);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.navbar__mobile.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.navbar__mobile a {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition);
}

.navbar__mobile a:hover {
  color: var(--accent);
}

/* =====================
   RESPONSIVO
   ===================== */
@media (max-width: 768px) {
  .navbar {
    padding: 1rem 1.25rem;
  }

  .navbar.scrolled {
    padding: 0.75rem 1.25rem;
  }

  .navbar__links {
    display: none;
  }

  .navbar__toggle {
    display: flex;
  }
}