/* ============================================
   HRVICO — Navbar
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-md) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(108, 63, 197, 0.08);
  padding: var(--space-sm) 0;
  box-shadow: 0 2px 16px rgba(108, 63, 197, 0.06);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-icon {
  width: 40px;
  height: 40px;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: var(--radius-md);
}

.navbar__logo-img,
.navbar__logo img {
  height: 30px !important;
  width: auto !important;
  display: block;
  flex-shrink: 0;
}

/* Nav Links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.navbar__link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.navbar__link:hover {
  color: var(--text-primary);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

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

/* CTA */
.navbar__cta {
  flex-shrink: 0;
}

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  z-index: calc(var(--z-overlay) + 2);
  position: relative;
}

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

.navbar__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.navbar__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  background: rgb(255, 255, 255);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  z-index: calc(var(--z-overlay) + 1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition:
    opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s 0.35s;
}

.navbar__mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0s 0s;
}

.navbar__mobile-menu .navbar__link {
  font-size: var(--fs-xl);
  color: #1E293B;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.navbar__mobile-menu.open .navbar__link {
  opacity: 1;
  transform: translateY(0);
}

.navbar__mobile-menu.open .navbar__link:nth-child(1) { transition-delay: 0.08s; }
.navbar__mobile-menu.open .navbar__link:nth-child(2) { transition-delay: 0.14s; }
.navbar__mobile-menu.open .navbar__link:nth-child(3) { transition-delay: 0.20s; }
.navbar__mobile-menu.open .navbar__link:nth-child(4) { transition-delay: 0.26s; }

.navbar__mobile-menu .btn {
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.navbar__mobile-menu.open .btn {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.32s;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar__links {
    display: none;
  }

  .navbar__cta.desktop-only {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__mobile-menu {
    display: flex;
  }
}

/* ─── Dark Header Mode (For pages with dark top banner like blog detail) ─── */
.navbar.navbar--dark-header:not(.scrolled) .navbar__logo {
  color: #FFFFFF !important;
}

.navbar.navbar--dark-header:not(.scrolled) .navbar__logo img {
  filter: brightness(0) invert(1);
}

.navbar.navbar--dark-header:not(.scrolled) .navbar__link {
  color: #FFFFFF !important;
  opacity: 0.95 !important;
}

.navbar.navbar--dark-header:not(.scrolled) .navbar__link:hover {
  color: #FFFFFF !important;
  opacity: 1 !important;
}

.navbar.navbar--dark-header:not(.scrolled) .navbar__hamburger span {
  background: #FFFFFF !important;
}