/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  transition: background var(--transition-base), box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 26, 63, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(224,231,255,0.08), 0 8px 32px rgba(0,0,0,0.3);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

/* Links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.navbar__link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: rgba(224, 231, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 2px;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-cyan-glow);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--color-white);
}

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

.navbar__cta {
  margin-left: var(--sp-2);
}

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  cursor: pointer;
  background: none;
  border: none;
  z-index: var(--z-nav);
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-future-silver);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: left center;
}

.navbar__hamburger.open span:nth-child(1) { transform: rotate(45deg) translateY(-1px); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translateY(1px); }

/* Mobile Menu */
.navbar__mobile {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-height);
  background: rgba(10, 26, 63, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-8);
  z-index: calc(var(--z-nav) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

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

.navbar__mobile-link {
  font-size: var(--fs-xl);
  font-weight: var(--fw-semibold);
  color: rgba(224,231,255,0.85);
  transition: color var(--transition-fast);
  text-align: center;
}

.navbar__mobile-link:hover {
  color: var(--color-vivid-cyan);
}

/* Responsive */
@media (max-width: 900px) {
  .navbar__links { display: none; }
  .navbar__hamburger { display: flex; }
}