/**
 * Navigation Specific Styles
 * Supplementary styles for header and mobile menu
 */

/* Mobile Menu Button - Text Style */
.nav-mobile {
  display: none;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: center !important;
  background: #fff !important;
  border: 2px solid #000 !important;
  border-radius: 6px !important;
  cursor: pointer;
  padding: 8px 16px !important;
  margin: 0;
  gap: 0 !important;
}

.nav-mobile .menu-text {
  display: block !important;
  color: #000 !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  font-family: var(--font-sans);
  letter-spacing: 0.5px;
  transform: none !important;
  width: auto !important;
  height: auto !important;
  background: none !important;
  opacity: 1 !important;
}

.nav-mobile:hover {
  background-color: rgba(0, 0, 0, 0.05) !important;
}

@media (max-width: 767px) {
  .nav-mobile {
    display: flex !important;
    flex-direction: row !important;
    position: relative;
    z-index: 10000;
  }

  .mobile-menu .btn.btn-primary {
    color: #fff !important;
  }

  header.header {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    overflow: visible !important;
  }

  /* Force the mobile menu to be a true full-screen overlay on iOS */
  .mobile-menu {
    position: fixed !important;
    inset: 0 !important;
    top: 72px !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    height: calc(100dvh - 72px) !important;
    max-height: calc(100dvh - 72px) !important;
    width: 100vw !important;
    max-width: 100vw !important;
    z-index: 9999 !important;
    background-color: var(--bg-primary) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
  }

  .mobile-menu.active {
    display: flex !important;
  }
}

/* Mobile Menu Slide In */
@media (max-width: 1023px) {
  .mobile-menu {
    animation: none !important;
    transform: none !important;
  }
  
  .mobile-menu.active {
    animation: none !important;
    transform: none !important;
  }
}

/* ============================================
   NAV-LINK STYLES (Single Source of Truth)
   ============================================ */
.nav-link {
  /* Base styles */
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-base);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  position: relative;
  display: inline-block;
  overflow: hidden;
  
  /* Smooth ease-in-out hover transitions */
  -webkit-transition: color 0.4s ease-in-out,
                      transform 0.4s ease-in-out,
                      background-color 0.4s ease-in-out;
  transition: color 0.4s ease-in-out,
              transform 0.4s ease-in-out,
              background-color 0.4s ease-in-out;
}

.nav-link:hover {
  color: var(--primary);
}

/* Active page link - stays highlighted with custom color */
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

/* Underline effect */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
  transform-origin: right;
  border-radius: 2px;
  
  /* Smooth ease-in-out for underline animation */
  -webkit-transition: transform 0.4s ease-in-out;
  transition: transform 0.4s ease-in-out;
}

.nav-link:hover::after {
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
  transform-origin: left;
}

/* Active page link underline - always visible */
.nav-link.active::after {
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
  transform-origin: left;
}

/* ============================================
   HEADER STYLES (Single Source of Truth)
   ============================================ */
header.header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: none;
  backdrop-filter: blur(0);
  padding: 17px 0 12px 0;
  -webkit-transition: box-shadow 0.6s ease-in-out,
                      backdrop-filter 0.6s ease-in-out,
                      background-color 0.6s ease-in-out,
                      border-color 0.6s ease-in-out;
  transition: box-shadow 0.6s ease-in-out,
              backdrop-filter 0.6s ease-in-out,
              background-color 0.6s ease-in-out,
              border-color 0.6s ease-in-out;
}

header.header.scrolled {
  box-shadow: 0 4px 20px rgba(43, 138, 143, 0.08);
  backdrop-filter: blur(12px);
  background-color: rgba(255, 253, 249, 0.92);
  border-bottom-color: rgba(43, 138, 143, 0.1);
}

/* Remove gap between header and first section */
header.header + main > section:first-child,
header.header + main > .hero-dual:first-child {
  margin-top: 0;
}

/* Accessible Focus States */
.nav-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.nav-mobile:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  header.header,
  footer.footer {
    display: none;
  }
}