/**
 * NV CITY - Component 01: Navigation Bar Stylesheet
 * Refined with translucent #071b337d frosted glass aesthetic
 */

/* ==========================================================================
   Header Container & Layout
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 68px; /* Mobile height 64-72px */
  z-index: 1000;
  background-color: #071b337d; /* Translucent light navy frosted glass as requested */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: background-color 280ms cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 280ms cubic-bezier(0.4, 0, 0.2, 1),
              border-bottom 280ms cubic-bezier(0.4, 0, 0.2, 1),
              height 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Scrolled State (>60px): Stays light & translucent with refined glass shadow */
.site-header.header--scrolled {
  background-color: rgba(7, 27, 51, 0.72); /* Light translucent theme tint */
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 6px 24px rgba(4, 20, 38, 0.25);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding-left: 18px; /* 16-20px mobile padding */
  padding-right: 18px;
}

/* ==========================================================================
   Brand Logo
   ========================================================================== */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  z-index: 1002;
}

.brand-logo-svg {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.brand-tagline {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #93C5FD;
  margin-top: 2px;
}

/* ==========================================================================
   Mobile Controls (Hamburger)
   ========================================================================== */
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-phone-link {
  display: none; /* Hidden on mobile */
}

.search-trigger-btn {
  display: none; /* Hidden on mobile */
}

.nav-cta-btn {
  display: none; /* Hidden on mobile header, prominent inside drawer */
}

/* 44px+ Accessible Touch Hamburger */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #FFFFFF;
  z-index: 1002;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
  touch-action: manipulation;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.22);
}

.menu-bar {
  width: 22px;
  height: 2px;
  background-color: #FFFFFF;
  border-radius: 2px;
  transition: transform 250ms ease, opacity 250ms ease;
}

/* Animated Hamburger to X */
.menu-toggle.is-active .menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active .menu-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle.is-active .menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Mobile Navigation Full-Screen Drawer
   ========================================================================== */
.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  background-color: rgba(7, 27, 51, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 1005;
  padding: 16px 20px 32px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 280ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 280ms cubic-bezier(0.16, 1, 0.3, 1),
              visibility 280ms;
}

.mobile-nav-drawer.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-drawer-inner {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 12px;
}

.drawer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.drawer-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #FFFFFF;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.drawer-close-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  color: var(--color-white);
  transform: scale(1.05);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mobile-nav-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav-link {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 8px;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 19px; /* 18-20px */
  font-weight: 600;
  text-decoration: none;
  text-align: left;
  transition: color 0.15s ease, padding-left 0.15s ease;
}

.mobile-nav-link.is-active {
  color: var(--color-primary-blue); /* #146EF5 */
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
  color: #60A5FA;
  padding-left: 6px;
}

.mobile-nav-link svg.chevron {
  width: 18px;
  height: 18px;
  color: #8295A9;
}

/* Accordion Trigger in Drawer */
.mobile-accordion-btn .accordion-symbol {
  font-family: monospace;
  font-size: 20px;
  font-weight: 400;
  color: #8295A9;
  transition: transform 0.2s ease;
}

.mobile-accordion-btn[aria-expanded="true"] .accordion-symbol {
  transform: rotate(45deg);
  color: var(--color-primary-blue);
}

.mobile-submenu {
  display: none;
  flex-direction: column;
  padding: 0 0 12px 14px;
  gap: 6px;
}

.mobile-submenu.is-expanded {
  display: flex;
}

.mobile-sublink {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  color: #AFC4DC;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.mobile-sublink:hover,
.mobile-sublink:active {
  background: rgba(20, 110, 245, 0.18);
  color: #FFFFFF;
}

.sublink-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(20, 110, 245, 0.25);
  color: #93C5FD;
}

/* Drawer CTA wrap */
.mobile-drawer-cta-wrap {
  margin-top: 24px;
}

/* Direct Assistance quick actions */
.mobile-quick-actions {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.quick-action-header {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8295A9;
  margin-bottom: 12px;
}

.quick-action-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.quick-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 4px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #DCE6F2;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.quick-action-btn svg {
  width: 18px;
  height: 18px;
}

.quick-action-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
}

.quick-action-whatsapp {
  color: #4ADE80;
}

/* Social icons at bottom of drawer */
.mobile-drawer-socials {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: auto;
  padding-top: 24px;
}

.mobile-drawer-socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transition: background 0.15s ease;
}

.mobile-drawer-socials a:hover {
  background: var(--color-primary-blue);
}

.mobile-drawer-socials svg {
  width: 18px;
  height: 18px;
}

/* Hidden desktop navigation by default */
.desktop-nav {
  display: none;
}

/* ==========================================================================
   Tablet Navbar (768px - 1024px)
   ========================================================================== */
@media (min-width: 768px) {
  .site-header {
    height: 74px;
  }

  .header-container {
    padding-left: 24px;
    padding-right: 24px;
  }

  .brand-logo-svg {
    width: 40px;
    height: 40px;
  }

  .brand-name {
    font-size: 1.35rem;
  }
}

/* ==========================================================================
   Desktop Navbar (1024px+)
   ========================================================================== */
@media (min-width: 1024px) {
  .site-header {
    height: 78px; /* 72-82px desktop target */
  }

  .header-container {
    max-width: 1360px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 32px;
    padding-right: 32px;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-nav-drawer {
    display: none !important;
  }

  /* Desktop Navigation Bar - Balanced Centered Distribution */
  .desktop-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 auto;
    margin: 0 24px;
  }

  .nav-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .nav-item {
    position: relative;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-body);
    font-size: 14.5px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    transition: all var(--transition-fast);
    white-space: nowrap;
  }

  .nav-link:hover {
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.12);
  }

  .nav-link.is-active {
    color: #60A5FA;
    background: rgba(20, 110, 245, 0.18);
    border: 1px solid rgba(96, 165, 250, 0.28);
  }

  .dropdown-chevron {
    width: 14px;
    height: 14px;
    transition: transform 0.2s ease;
  }

  .dropdown-parent:hover .dropdown-chevron {
    transform: rotate(180deg);
  }

  /* Desktop Dropdown Panel (Centered) */
  .dropdown-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 260px;
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 14px 34px rgba(7, 27, 51, 0.18);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    pointer-events: none;
    z-index: 1010;
  }

  .dropdown-parent:hover .dropdown-panel,
  .dropdown-parent:focus-within .dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
  }

  .dropdown-item {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.15s ease;
  }

  .dropdown-item:hover {
    background-color: var(--color-blue-tint);
  }

  .dropdown-item-title {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary-text);
  }

  .dropdown-item-desc {
    font-size: 12px;
    color: var(--color-secondary-text);
    margin-top: 2px;
  }

  .dropdown-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 6px 0;
  }

  /* Right Controls: Phone, Search & CTA */
  .header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }

  .header-phone-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #FFFFFF;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    transition: all var(--transition-fast);
    white-space: nowrap;
  }

  .header-phone-link:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.3);
    color: #FFFFFF;
  }

  .header-phone-link svg {
    color: #60A5FA;
    flex-shrink: 0;
  }

  .search-trigger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    flex-shrink: 0;
  }

  .search-trigger-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
  }

  .nav-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 18px;
    font-size: 0.88rem;
    font-weight: 700;
    border-radius: var(--radius-pill);
    white-space: nowrap;
    flex-shrink: 0;
  }
}