/* ============================================================
   HB Navigation Redesign – Professional, Senior-Friendly
   Accordion groups, Icons, CTA, 3 Viewports
   ============================================================ */

/* ---- CSS Custom Properties ---- */
:root {
  --hb-navy: #1a3a6b;
  --hb-navy-dark: #0f2548;
  --hb-navy-light: #2a4f8a;
  --hb-bordeaux: #a1012c;
  --hb-bordeaux-hover: #8a0126;
  --hb-bordeaux-light: #c41e4a;
  --hb-white: #ffffff;
  --hb-gray-50: #f8f9fa;
  --hb-gray-100: #f0f2f5;
  --hb-gray-200: #e2e6eb;
  --hb-gray-300: #c8cdd5;
  --hb-gray-600: #6b7280;
  --hb-gray-800: #1f2937;
  --hb-font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --hb-font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --hb-nav-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Mobile Menu Overlay ---- */
.hb-mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(15, 37, 72, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.hb-mobile-nav-overlay.hb-nav-open {
  opacity: 1;
  visibility: visible;
}

/* ---- Mobile Slide-in Panel ---- */
.hb-mobile-nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 10001;
  width: min(380px, 88vw);
  background: var(--hb-white);
  box-shadow: -8px 0 40px rgba(15, 37, 72, 0.18);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.hb-mobile-nav-panel.hb-nav-open {
  transform: translateX(0);
}

/* ---- Panel Header ---- */
.hb-nav-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--hb-navy);
  border-bottom: 3px solid var(--hb-bordeaux);
  flex-shrink: 0;
}
.hb-nav-panel-header-title {
  color: var(--hb-white);
  font-family: var(--hb-font-main);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.hb-nav-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 12px;
  background: rgba(255,255,255,0.12);
  color: var(--hb-white);
  cursor: pointer;
  transition: background var(--hb-nav-transition);
}
.hb-nav-close-btn:hover {
  background: rgba(255,255,255,0.22);
}
.hb-nav-close-btn svg {
  width: 22px;
  height: 22px;
}

/* ---- CTA Button at top of nav ---- */
.hb-nav-cta-top {
  display: block;
  margin: 16px 20px 8px;
  padding: 16px 24px;
  background: var(--hb-bordeaux);
  color: var(--hb-white) !important;
  font-family: var(--hb-font-main);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none !important;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(161, 1, 44, 0.3);
  transition: all var(--hb-nav-transition);
  flex-shrink: 0;
}
.hb-nav-cta-top:hover {
  background: var(--hb-bordeaux-hover);
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(161, 1, 44, 0.4);
  color: var(--hb-white) !important;
}
.hb-nav-cta-top svg {
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
  width: 22px;
  height: 22px;
}

/* ---- Scrollable Nav Content ---- */
.hb-nav-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 0 24px;
  -webkit-overflow-scrolling: touch;
}

/* ---- Nav Items ---- */
.hb-nav-item {
  border-bottom: 1px solid var(--hb-gray-200);
}
.hb-nav-item:last-child {
  border-bottom: none;
}

/* ---- Main Nav Links ---- */
.hb-nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  font-family: var(--hb-font-main);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--hb-navy);
  text-decoration: none !important;
  transition: all var(--hb-nav-transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  line-height: 1.3;
}
.hb-nav-link:hover,
.hb-nav-link:focus {
  background: var(--hb-gray-50);
  color: var(--hb-bordeaux);
}
.hb-nav-link.hb-nav-active {
  color: var(--hb-bordeaux);
  background: rgba(161, 1, 44, 0.06);
  border-left: 4px solid var(--hb-bordeaux);
  padding-left: 16px;
}

/* ---- Nav Icons ---- */
.hb-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--hb-gray-100);
  flex-shrink: 0;
  transition: all var(--hb-nav-transition);
}
.hb-nav-icon svg {
  width: 20px;
  height: 20px;
  color: var(--hb-navy);
  transition: color var(--hb-nav-transition);
}
.hb-nav-link:hover .hb-nav-icon,
.hb-nav-link.hb-nav-active .hb-nav-icon {
  background: rgba(161, 1, 44, 0.1);
}
.hb-nav-link:hover .hb-nav-icon svg,
.hb-nav-link.hb-nav-active .hb-nav-icon svg {
  color: var(--hb-bordeaux);
}

/* ---- Accordion Trigger ---- */
.hb-nav-accordion-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  font-family: var(--hb-font-main);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--hb-navy);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: all var(--hb-nav-transition);
  line-height: 1.3;
}
.hb-nav-accordion-trigger:hover,
.hb-nav-accordion-trigger:focus {
  background: var(--hb-gray-50);
  color: var(--hb-bordeaux);
}
.hb-nav-accordion-trigger .hb-nav-chevron {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--hb-gray-100);
  transition: all var(--hb-nav-transition);
  flex-shrink: 0;
}
.hb-nav-accordion-trigger .hb-nav-chevron svg {
  width: 16px;
  height: 16px;
  color: var(--hb-gray-600);
  transition: transform 0.3s ease, color 0.3s ease;
}
.hb-nav-accordion-trigger[aria-expanded="true"] .hb-nav-chevron {
  background: rgba(161, 1, 44, 0.1);
}
.hb-nav-accordion-trigger[aria-expanded="true"] .hb-nav-chevron svg {
  transform: rotate(180deg);
  color: var(--hb-bordeaux);
}
.hb-nav-accordion-trigger:hover .hb-nav-icon,
.hb-nav-accordion-trigger[aria-expanded="true"] .hb-nav-icon {
  background: rgba(161, 1, 44, 0.1);
}
.hb-nav-accordion-trigger:hover .hb-nav-icon svg,
.hb-nav-accordion-trigger[aria-expanded="true"] .hb-nav-icon svg {
  color: var(--hb-bordeaux);
}

/* ---- Accordion Panel ---- */
.hb-nav-accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--hb-gray-50);
}
.hb-nav-accordion-panel.hb-accordion-open {
  max-height: 500px;
}

/* ---- Sub-items ---- */
.hb-nav-sublink {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 20px 13px 74px;
  font-family: var(--hb-font-body);
  font-size: 1.02rem;
  font-weight: 500;
  color: rgba(27, 42, 74, 0.78);
  text-decoration: none !important;
  transition: all var(--hb-nav-transition);
  border-left: 3px solid transparent;
}
.hb-nav-sublink:hover {
  color: var(--hb-bordeaux);
  background: rgba(161, 1, 44, 0.04);
  border-left-color: var(--hb-bordeaux);
}
.hb-nav-sublink.hb-nav-active {
  color: var(--hb-bordeaux);
  font-weight: 600;
  background: rgba(161, 1, 44, 0.06);
  border-left-color: var(--hb-bordeaux);
}
.hb-nav-sublink-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hb-gray-300);
  flex-shrink: 0;
  transition: background var(--hb-nav-transition);
}
.hb-nav-sublink:hover .hb-nav-sublink-dot,
.hb-nav-sublink.hb-nav-active .hb-nav-sublink-dot {
  background: var(--hb-bordeaux);
}

/* ---- Group Separator ---- */
.hb-nav-separator {
  height: 1px;
  margin: 4px 20px;
  background: var(--hb-gray-200);
}

/* ---- Phone Number in Nav ---- */
.hb-nav-phone {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 20px;
  padding: 14px 18px;
  background: var(--hb-navy);
  color: var(--hb-white) !important;
  font-family: var(--hb-font-main);
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none !important;
  border-radius: 12px;
  transition: all var(--hb-nav-transition);
  flex-shrink: 0;
}
.hb-nav-phone:hover {
  background: var(--hb-navy-dark);
  color: var(--hb-white) !important;
}
.hb-nav-phone svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ============================================================
   DESKTOP NAVIGATION (>= 1024px)
   ============================================================ */
@media (min-width: 1024px) {
  /* Hide mobile nav elements on desktop */
  .hb-mobile-nav-overlay,
  .hb-mobile-nav-panel,
  .hb-mobile-hamburger-btn {
    display: none !important;
  }

  /* Desktop dropdown improvements */
  /* Keep existing desktop nav, only enhance dropdowns */
}

/* ============================================================
   TABLET NAVIGATION (768px - 1023px)
   ============================================================ */
@media (min-width: 768px) and (max-width: 1023px) {
  .hb-mobile-nav-panel {
    width: min(420px, 70vw);
  }
  .hb-nav-link,
  .hb-nav-accordion-trigger {
    padding: 18px 24px;
    font-size: 1.12rem;
  }
  .hb-nav-sublink {
    padding: 14px 24px 14px 78px;
    font-size: 1.05rem;
  }
  .hb-nav-cta-top {
    margin: 18px 24px 10px;
    padding: 18px 28px;
    font-size: 1.15rem;
  }
  .hb-nav-phone {
    margin: 14px 24px;
    padding: 16px 20px;
    font-size: 1.1rem;
  }
}

/* ============================================================
   MOBILE NAVIGATION (< 768px)
   ============================================================ */
@media (max-width: 767px) {
  .hb-mobile-nav-panel {
    width: 100vw;
  }
  .hb-nav-link,
  .hb-nav-accordion-trigger {
    padding: 15px 18px;
    font-size: 1.05rem;
  }
  .hb-nav-sublink {
    padding: 12px 18px 12px 68px;
    font-size: 1rem;
  }
  .hb-nav-cta-top {
    margin: 14px 18px 8px;
    padding: 15px 22px;
    font-size: 1.08rem;
  }
  .hb-nav-phone {
    margin: 10px 18px;
    padding: 13px 16px;
    font-size: 1rem;
  }
}

/* ============================================================
   HAMBURGER BUTTON (replaces existing mobile toggle)
   ============================================================ */
.hb-mobile-hamburger-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 12px;
  background: rgba(255,255,255,0.1);
  color: var(--hb-white);
  cursor: pointer;
  transition: background var(--hb-nav-transition);
  z-index: 100;
}
.hb-mobile-hamburger-btn:hover {
  background: rgba(255,255,255,0.2);
}
.hb-mobile-hamburger-btn svg {
  width: 26px;
  height: 26px;
}

@media (max-width: 1023px) {
  .hb-mobile-hamburger-btn {
    display: flex;
  }
}

/* ============================================================
   DESKTOP NAV DROPDOWN ENHANCEMENTS
   ============================================================ */
@media (min-width: 1024px) {
  /* Enhanced desktop dropdown styling */
  .hb-desktop-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 240px;
    background: var(--hb-white);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(15, 37, 72, 0.15), 0 0 0 1px rgba(15, 37, 72, 0.06);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    z-index: 1000;
  }
  .hb-desktop-dropdown.hb-dropdown-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
  .hb-desktop-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    font-family: var(--hb-font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--hb-navy);
    text-decoration: none !important;
    border-radius: 10px;
    transition: all var(--hb-nav-transition);
  }
  .hb-desktop-dropdown-item:hover {
    background: var(--hb-gray-50);
    color: var(--hb-bordeaux);
  }
  .hb-desktop-dropdown-item .hb-dd-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--hb-gray-300);
    flex-shrink: 0;
  }
  .hb-desktop-dropdown-item:hover .hb-dd-dot {
    background: var(--hb-bordeaux);
  }
}

/* ============================================================
   ACCESSIBILITY & FOCUS
   ============================================================ */
.hb-nav-link:focus-visible,
.hb-nav-accordion-trigger:focus-visible,
.hb-nav-sublink:focus-visible,
.hb-nav-cta-top:focus-visible,
.hb-nav-close-btn:focus-visible,
.hb-mobile-hamburger-btn:focus-visible {
  outline: 3px solid var(--hb-bordeaux);
  outline-offset: 2px;
}

/* ---- Smooth body scroll lock when nav open ---- */
body.hb-nav-body-locked {
  overflow: hidden;
}

/* ============================================================
   SENIOR-FRIENDLY TOUCH TARGETS
   ============================================================ */
@media (pointer: coarse) {
  .hb-nav-link,
  .hb-nav-accordion-trigger {
    min-height: 52px;
  }
  .hb-nav-sublink {
    min-height: 48px;
  }
}