/* Header component styles for Ten Z Vault */

/* ==========================================================
   NEW IMPROVED HEADER (2025-08) – Sleeker, cohesive UI revamp
   Added: .site-header and overrides; keeps legacy classes intact.
   To enable: change <header> class to include 'site-header'.
   ========================================================== */

:root {
  --header-bg: linear-gradient(115deg, rgba(15,23,42,0.82) 0%, rgba(30,41,59,0.82) 55%, rgba(67,56,202,0.78) 100%);
  --header-fallback-bg: rgba(15,23,42,0.9);
  --header-border-color: rgba(255,255,255,0.06);
  --header-glow-line: linear-gradient(90deg, #6366f1, #8b5cf6, #ec4899, #6366f1);
  --header-text: #f1f5f9;
  --header-text-dim: #cbd5e1;
  --header-accent: #6366f1;
  --header-accent-hover: #8b5cf6;
  --transition-fast: 160ms cubic-bezier(.4,0,.2,1);
}

.site-header {
  position: relative; /* was sticky */
  top: auto; z-index: 10;
  /* Subtle translucent gradient with blur creating a glass bar */
  background: linear-gradient(115deg, rgba(15,23,42,0.42) 0%, rgba(30,41,59,0.40) 55%, rgba(67,56,202,0.34) 100%);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 4px 26px -10px rgba(0,0,0,0.55);
  transition: background 400ms ease, box-shadow var(--transition-fast);
  margin-bottom: 0; /* flush with hero */
}
@supports not ((backdrop-filter: blur(10px))) { .site-header { background: var(--header-fallback-bg); } }
.site-header::after { display:none !important; }
@keyframes headerGlow { 0%{background-position:0 50%} 100%{background-position:300% 50%} }
.site-header nav { display:flex; align-items:center; justify-content:space-between; gap:2rem; padding:.65rem 1.5rem; }
.site-header.is-condensed nav { padding-top:.35rem; padding-bottom:.35rem; }
.site-header .logo-gradient-text, .site-header .enhanced-logo { font-size:1.2rem; letter-spacing:.2em; font-weight:800; font-family:'Orbitron','Poppins',sans-serif; background:linear-gradient(120deg,#ffffff 0%,#f1f5f9 30%,#cbd5e1 60%,#94a3b8 90%); -webkit-background-clip:text; background-clip:text; color:transparent; text-shadow:0 1px 2px rgba(0,0,0,0.55),0 0 14px rgba(255,255,255,0.25); position:relative; filter:brightness(1.05); }
.site-header .logo-gradient-text strong { font-weight:900; }
.site-header .logo-gradient-text::before { content:""; position:absolute; inset:-4px -8px; background:radial-gradient(circle at 30% 40%,rgba(255,255,255,0.18),rgba(255,255,255,0)); border-radius:10px; opacity:.45; pointer-events:none; }
.site-header .logo-gradient-text::after { content:""; position:absolute; left:0; right:0; bottom:-3px; height:2px; background:linear-gradient(90deg,#6366f1,#8b5cf6,#ec4899); opacity:0; transform:translateY(2px); transition:opacity var(--transition-fast), transform var(--transition-fast); border-radius:2px; }
.site-header .logo-gradient-text:hover::after { opacity:1; transform:translateY(0); }

/* Solid fallback variant if needed on very bright backgrounds */
.site-header .logo-solid-visible { background:none!important; -webkit-text-fill-color:#ffffff!important; color:#ffffff!important; text-shadow:0 2px 4px rgba(0,0,0,0.6); }
.site-header .nav-link { all:unset; position:relative; display:inline-flex; align-items:center; gap:.35rem; padding:.55rem .95rem; font-family:'Poppins',sans-serif; font-size:.95rem; font-weight:500; letter-spacing:.06em; cursor:pointer; color:var(--header-text); line-height:1.2; border-radius:10px; text-shadow:0 1px 2px rgba(0,0,0,0.55); transition:color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast); }
.site-header .nav-link:focus-visible { outline:2px solid var(--header-accent); outline-offset:3px; }
.site-header .nav-link::before { content:""; position:absolute; inset:0; background:radial-gradient(circle at 30% 20%,rgba(255,255,255,0.18),rgba(255,255,255,0)); opacity:0; border-radius:inherit; transition:opacity var(--transition-fast); }
.site-header .nav-link::after { content:""; position:absolute; left:10%; right:10%; bottom:6px; height:2px; background:linear-gradient(90deg,#6366f1,#8b5cf6,#ec4899); border-radius:2px; transform:scaleX(0); transform-origin:left; transition:transform 260ms ease; }
.site-header .nav-link:hover::before { opacity:.6; }
.site-header .nav-link:hover { color:#fff; background:rgba(255,255,255,0.05); box-shadow:0 4px 14px -4px rgba(0,0,0,0.55); transform:translateY(-2px); }
.site-header .nav-link:hover::after, .site-header .nav-link:focus-visible::after, .site-header .nav-link.active::after { transform:scaleX(1); }
.site-header .nav-link:active { transform:translateY(0); box-shadow:0 2px 6px -2px rgba(0,0,0,0.6); }
.site-header #mobile-menu-button, .site-header .mobile-menu-btn { background:rgba(255,255,255,0.06)!important; border:1px solid rgba(255,255,255,0.15)!important; color:var(--header-text)!important; border-radius:12px!important; width:42px; height:42px; display:flex!important; align-items:center!important; justify-content:center!important; position:relative; overflow:hidden; transition:background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast); }
.site-header #mobile-menu-button::after, .site-header .mobile-menu-btn::after { content:""; position:absolute; inset:0; background:linear-gradient(120deg,rgba(255,255,255,0.15),rgba(255,255,255,0)); opacity:0; transition:opacity var(--transition-fast); }
.site-header #mobile-menu-button:hover, .site-header .mobile-menu-btn:hover { background:rgba(255,255,255,0.12)!important; border-color:rgba(255,255,255,0.35)!important; transform:translateY(-2px); }
.site-header #mobile-menu-button:hover::after, .site-header .mobile-menu-btn:hover::after { opacity:1; }
.site-header #mobile-menu { background:linear-gradient(145deg,rgba(17,24,39,0.92),rgba(30,41,59,0.92))!important; border-top:1px solid var(--header-border-color)!important; box-shadow:0 20px 40px -10px rgba(0,0,0,0.65)!important; }
.site-header #mobile-menu a.mobile-nav-item { background:transparent; border:none; padding:1rem 1.25rem; border-radius:14px; color:var(--header-text-dim); font-weight:500; letter-spacing:.05em; position:relative; overflow:hidden; transition:color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast); }
.site-header #mobile-menu a.mobile-nav-item::before { content:""; position:absolute; inset:0; background:linear-gradient(120deg,rgba(255,255,255,0.12),rgba(255,255,255,0)); opacity:0; transition:opacity var(--transition-fast); }
.site-header #mobile-menu a.mobile-nav-item:hover { color:#fff; background:rgba(255,255,255,0.06); transform:translateX(4px); }
.site-header #mobile-menu a.mobile-nav-item:hover::before { opacity:1; }
.site-header .nav-link { color:var(--header-text)!important; }
.site-header .desktop-nav .nav-link { color:var(--header-text)!important; text-shadow:0 1px 2px rgba(0,0,0,0.4); font-weight:500; }
.site-header .desktop-nav .nav-link:hover { color:#ffffff!important; }
@media (min-width:768px){
  .site-header .desktop-nav { display:flex!important; align-items:center!important; gap:1.75rem!important; }
}
@media (min-width:768px){
  /* Ensure mobile trigger never shows on desktop */
  .site-header #mobile-menu-button, .site-header .mobile-menu-btn { display:none!important; }
}
.site-header.high-contrast { --header-bg: linear-gradient(115deg,#000,#111827 65%,#1e3a8a); }
.site-header.animate-in { animation: headerSlideIn .6s cubic-bezier(.4,0,.25,1); }
@keyframes headerSlideIn { from { transform:translateY(-110%); opacity:0; } to { transform:translateY(0); opacity:1; } }


/* Enhanced Modern Header - Premium Black */
.modern-header {
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), 0 4px 20px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

/* Animated gradient border keyframes */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  25% { background-position: 100% 50%; }
  50% { background-position: 100% 100%; }
  75% { background-position: 0% 100%; }
  100% { background-position: 0% 50%; }
}

/* Enhanced Logo styling - Premium Black Theme */
.enhanced-logo {
  font-size: 1.4rem;
  letter-spacing: 0.15em;
  font-family: 'Montserrat', 'Poppins', sans-serif;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 30%, #e2e8f0 60%, #cbd5e1 100%);
  background-size: 200% 200%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.3), 0 0 40px rgba(255, 255, 255, 0.1);
  font-weight: 800;
  display: inline-block;
  animation: logoGradientMove 3s ease-in-out infinite;
  position: relative;
}

.enhanced-logo::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(248, 250, 252, 0.08), rgba(226, 232, 240, 0.06));
  border-radius: 8px;
  z-index: -1;
  filter: blur(8px);
  opacity: 0.7;
}

@keyframes logoGradientMove {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Override any text color issues in black header */
.modern-header * {
  color: inherit;
}

.modern-header .material-icons {
  color: #ffffff !important;
}

.modern-header nav {
  color: #ffffff;
}

/* Ensure logo and navigation are visible */
.modern-header .logo-gradient-text,
.modern-header .enhanced-logo {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 30%, #e2e8f0 60%, #cbd5e1 100%) !important;
  background-clip: text !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

/* Fallback for browsers that don't support background-clip */
@supports not (-webkit-background-clip: text) {
  .modern-header .logo-gradient-text,
  .modern-header .enhanced-logo {
    color: #ffffff !important;
    background: none !important;
    -webkit-text-fill-color: #ffffff !important;
  }
}

.frosted-header {
  background: rgba(255, 255, 255, 0.32);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(59, 130, 246, 0.10);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Logo styling - Original fallback */
.logo-gradient-text {
  font-size: 1.26rem;
  letter-spacing: 0.12em;
  font-family: 'Orbitron', 'Poppins', sans-serif;
  background: linear-gradient(90deg, #ffffff 0%, #f8fafc 50%, #e2e8f0 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 2px 8px rgba(255, 255, 255, 0.3), 0 1px 4px rgba(255, 255, 255, 0.2);
  font-weight: 700;
  display: inline-block;
}

.shimmer {
  background: linear-gradient(90deg, #ffffff 0%, #f8fafc 50%, #e2e8f0 100%);
  background-size: 200% 200%;
  animation: shimmerMove 2.5s linear infinite;
}

@keyframes shimmerMove {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

/* Navigation styles */
/* Enhanced Navigation styles - Premium Black Theme */
.nav-link {
  position: relative;
  font-weight: 500 !important;
  font-size: 1rem !important;
  letter-spacing: 0.08em !important;
  color: #f8fafc !important;
  transition: all 0.3s ease !important;
  font-family: 'Poppins', sans-serif !important;
  text-transform: none !important;
  padding: 8px 16px !important;
  border-radius: 12px !important;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none !important;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(248, 250, 252, 0.08) 100%);
  border-radius: 12px;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.nav-link:hover {
  color: #ffffff !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1) !important;
  background: rgba(255, 255, 255, 0.1) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link:hover {
  color: #3b82f6 !important; /* Blue on hover */
}

.nav-link:focus {
  color: #3b82f6 !important;
  outline: 2px solid #3b82f6 !important;
  outline-offset: 2px !important;
}

/* Desktop navigation visibility - Clean responsive styles */
.desktop-nav {
  display: none !important;
}

@media (min-width: 768px) {
  .desktop-nav {
    display: flex !important;
    align-items: center !important;
    gap: 2rem !important;
  }
}

/* Navigation links styling */
.desktop-nav .nav-link {
  display: inline-block !important;
  visibility: visible !important;
  opacity: 1 !important;
  color: #1f2937 !important;
  font-weight: 500 !important;
  font-size: 1rem !important;
  font-family: 'Poppins', sans-serif !important;
  text-decoration: none !important;
  transition: all 0.3s ease !important;
}

.desktop-nav .nav-link:hover {
  color: #3b82f6 !important;
  transform: translateY(-1px) !important;
}

/* Tailwind class overrides for navigation */
.text-gray-500 {
  color: #1f2937 !important; /* Override gray-500 with darker text */
}

.text-gray-800 {
  color: #1f2937 !important; /* Ensure dark text visibility */
}

/* Ensure all nav elements are visible */
header nav {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
}

header nav > * {
  display: block !important;
  visibility: visible !important;
}

/* Enhanced Mobile menu button - Premium Black Theme */
.mobile-menu-btn {
  display: block;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 8px;
  transition: all 0.3s ease;
  color: #ffffff !important;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.mobile-menu-btn i {
  color: #ffffff !important;
}

.mobile-menu-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(248, 250, 252, 0.08) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.mobile-menu-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.mobile-menu-btn:hover::before {
  opacity: 1;
}

.mobile-menu-btn:active {
  transform: translateY(0);
}

/* Enhanced Mobile menu items - Premium Black Theme */
.mobile-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  color: #f8fafc;
  text-decoration: none;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.mobile-nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0%, rgba(248, 250, 252, 0.06) 100%);
  transition: width 0.3s ease;
}

.mobile-nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  transform: translateX(8px);
}

.mobile-nav-item:hover::before {
  width: 100%;
}

.mobile-nav-item i {
  font-size: 20px;
  transition: all 0.3s ease;
  color: #e2e8f0;
}

.mobile-nav-item:hover i {
  color: #ffffff;
  transform: scale(1.1);
}
.mobile-menu-btn {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0.5rem !important;
  color: #1f2937 !important;
  background: none !important;
  border: none !important;
  cursor: pointer !important;
  transition: color 0.3s ease !important;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none !important;
  }
}

/* Ensure material icons are visible */
.material-icons {
  display: inline-block !important;
  font-family: 'Material Icons' !important;
  font-weight: normal !important;
  font-style: normal !important;
  font-size: 24px !important;
  line-height: 1 !important;
  letter-spacing: normal !important;
  text-transform: none !important;
  white-space: nowrap !important;
  word-wrap: normal !important;
  direction: ltr !important;
}

/* Mobile menu button */
#mobile-menu-button {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0.5rem !important;
  color: #1f2937 !important;
  background: none !important;
  border: none !important;
  cursor: pointer !important;
  transition: color 0.3s ease !important;
}

#mobile-menu-button:hover {
  color: #3b82f6 !important;
}

@media (min-width: 768px) {
  #mobile-menu-button {
    display: none !important;
  }
}

/* Mobile menu */
#mobile-menu {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border-top: 1px solid rgba(59, 130, 246, 0.10) !important;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08) !important;
}

#mobile-menu.hidden {
  display: none !important;
}

#mobile-menu:not(.hidden) {
  display: block !important;
}

@media (min-width: 768px) {
  #mobile-menu {
    display: none !important;
  }
}

#mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  color: #4b5563;
  transition: all 0.3s ease;
}

#mobile-menu a:hover {
  color: white;
  background: #3b82f6;
}

#mobile-menu a:focus {
  background: #1d4ed8;
  color: white;
}

/* Shimmer effect for logo */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Navigation links */
.nav-link {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #6b7280;
  position: relative;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: #3b82f6;
}

.nav-link:focus {
  color: #3b82f6;
  outline: none;
}

/* Animated underline for nav links */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link:focus::after,
.nav-link.active::after {
  width: 100%;
}

/* Mobile menu button */
.mobile-menu-button {
  display: flex;
  align-items: center;
  padding: 0.5rem;
  border-radius: 0.375rem;
  transition: background-color 0.3s ease;
}

.mobile-menu-button:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

/* Mobile menu */
.mobile-menu {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
  font-weight: 500;
  color: #374151;
  transition: all 0.3s ease;
  position: relative;
}

.mobile-menu a:hover {
  background-color: #3b82f6;
  color: white;
}

.mobile-menu a:focus {
  background-color: #1d4ed8;
  color: white;
  outline: none;
}

/* Header responsive design */
@media (max-width: 768px) {
  .frosted-header nav {
    padding: 0.5rem 1rem;
  }
  
  .logo-gradient-text {
    font-size: 1.1rem;
  }
}

/* Header animations */
.header-slide-down {
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Header scroll effect */
.header-scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

/* Navigation breadcrumb */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  color: #6b7280;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
}

.breadcrumb-item a {
  color: #3b82f6;
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
  color: #1d4ed8;
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: #374151;
  font-weight: 500;
}

.breadcrumb-separator {
  margin: 0 0.5rem;
  color: #d1d5db;
}

/* Search icon animation */
.search-icon {
  transition: transform 0.3s ease;
}

.search-icon:hover {
  transform: scale(1.1);
}

/* Header accessibility improvements */
.header-skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: #3b82f6;
  color: white;
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  z-index: 100;
  transition: top 0.3s;
}

.header-skip-link:focus {
  top: 6px;
}

/* Header for different screen sizes */
@media (min-width: 1024px) {
  .nav-link {
    padding: 0.75rem 1rem;
  }
}

/* Header loading state */
.header-loading {
  opacity: 0.7;
}

.header-loading .logo-gradient-text {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}