/* ========================================
   NAVBAR 2026 - PREMIUM UX/UI
   ======================================== */

/* Modal styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: #000000c3;
}

.modal-content {
  background-color: #1a1a1a;
  margin: 22% auto;
  padding: 20px;
  width: 23%;
  position: relative;
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-content a {
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.5s;
}

.modal-content a:hover {
  color: var(--header-btnH-color);
}

.modal-content a::before {
  content: "";
  position: absolute;
  bottom: 25%;
  width: 0%;
  height: 1.5px;
  transition: all 0.5s;
  background-color: var(--header-btnH-color);
}

.modal-content a:hover::before {
  width: 48%;
}

.close {
  color: var(--text-secondary);
  float: right;
  font-size: 30px;
  font-weight: bold;
  position: relative;
  top: -6px;
  cursor: pointer;
  transition: all 0.5s;
}

.close:hover {
  scale: 1.3;
  color: var(--header-btnH-color);
}

/* ========================================
   NAVBAR DESKTOP
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  max-height: var(--navbar-height);
  background: var(--navbar-bg);
  backdrop-filter: blur(var(--navbar-blur));
  -webkit-backdrop-filter: blur(var(--navbar-blur));
  border-bottom: 1px solid var(--navbar-border);
  box-shadow: var(--navbar-shadow);
  z-index: 1000;
  transition: all var(--transition-duration) var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
}

.navbar.scrolled {
  height: var(--navbar-height-scrolled);
  max-height: var(--navbar-height-scrolled);
  background: var(--navbar-bg-scrolled);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

/* Logo */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: transform var(--transition-duration) var(--transition-smooth);
  flex-shrink: 0;
}

.navbar-brand:hover {
  transform: scale(1.01);
}

.navbar-brand img {
  width: 42px !important;
  height: 42px !important;
  max-width: 42px !important;
  max-height: 42px !important;
  min-width: 42px !important;
  min-height: 42px !important;
  object-fit: contain !important;
  transition: all var(--transition-duration) var(--transition-smooth);
}

.navbar.scrolled .navbar-brand img {
  width: 38px !important;
  height: 38px !important;
  max-width: 38px !important;
  max-height: 38px !important;
  min-width: 38px !important;
  min-height: 38px !important;
}

.navbar-brand .brand-name {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  white-space: nowrap;
  transition: all var(--transition-duration) var(--transition-smooth);
  letter-spacing: var(--tracking-tight);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled .navbar-brand .brand-name {
  font-size: 1.2rem;
}

/* Desktop Navigation */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-nav .nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-duration) var(--transition-smooth);
  letter-spacing: var(--tracking-tight);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--header-btnH-color);
  transition: width var(--transition-duration) var(--transition-smooth);
}

.navbar-nav .nav-link:hover {
  color: var(--header-btnH-color);
}

.navbar-nav .nav-link:hover::after {
  width: 100%;
}

.navbar-nav .nav-link.active {
  color: var(--header-btnH-color);
}

.navbar-nav .nav-link.active::after {
  width: 100%;
}

/* CTA Button */
.navbar-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hamburger Menu Button */
.navbar-toggle {
  display: none;
  position: relative;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1002;
}

.navbar-toggle:focus {
  outline: 2px solid var(--header-btnH-color);
  outline-offset: 2px;
}

/* Hamburger Lines Morph Animation */
.navbar-toggle .hamburger-line {
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-duration) var(--transition-smooth);
  left: 4px;
}

.navbar-toggle .hamburger-line:nth-child(1) {
  top: 10px;
}

.navbar-toggle .hamburger-line:nth-child(2) {
  top: 15px;
  width: 18px;
}

.navbar-toggle .hamburger-line:nth-child(3) {
  top: 20px;
}

/* Open State - Morph to X */
.navbar-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  top: 15px;
  transform: rotate(45deg);
  width: 24px;
}

.navbar-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.navbar-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  top: 15px;
  transform: rotate(-45deg);
  width: 24px;
}

/* ========================================
   MOBILE OFF-CANVAS MENU
   ======================================== */

/* Backdrop */
.mobile-backdrop {
  position: fixed;
  inset: 0;
  background: var(--mobile-backdrop);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-duration) var(--transition-smooth);
  z-index: 1000;
}

.mobile-backdrop.show {
  opacity: 1;
  visibility: visible;
}

/* Off-Canvas Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--mobile-menu-width);
  max-width: 100vw;
  height: 100vh;
  background: var(--nav-bg);
  backdrop-filter: blur(var(--navbar-blur));
  -webkit-backdrop-filter: blur(var(--navbar-blur));
  box-shadow: -4px 0 30px rgba(0, 0, 0, 0.15);
  z-index: 1001;
  transform: translateX(100%);
  transition: transform var(--transition-duration) var(--transition-smooth);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.mobile-menu.show {
  transform: translateX(0);
}

/* Mobile Menu Header */
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem;
  border-bottom: 1px solid var(--navbar-border);
  position: sticky;
  top: 0;
  background: var(--nav-bg);
  z-index: 10;
}

.mobile-menu-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.mobile-menu-brand img {
  width: 28px;
  height: 28px;
  max-width: 28px;
  max-height: 28px;
  object-fit: contain;
}

.mobile-menu-brand .brand-name {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

.mobile-menu-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.25rem;
  transition: all var(--transition-duration) var(--transition-smooth);
}

.mobile-menu-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--header-btnH-color);
}

.mobile-menu-close:focus {
  outline: 2px solid var(--header-btnH-color);
  outline-offset: 2px;
}

/* Mobile Menu Links */
.mobile-menu-nav {
  padding: 1rem 0;
  flex: 1;
}

.mobile-menu-link {
  display: block;
  padding: 0.875rem 1.25rem;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all var(--transition-duration) var(--transition-smooth);
  opacity: 0;
  transform: translateX(20px);
  letter-spacing: -0.01em;
}

.mobile-menu.show .mobile-menu-link {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered Animation Delays */
.mobile-menu.show .mobile-menu-link:nth-child(1) {
  transition-delay: 50ms;
}

.mobile-menu.show .mobile-menu-link:nth-child(2) {
  transition-delay: 100ms;
}

.mobile-menu.show .mobile-menu-link:nth-child(3) {
  transition-delay: 150ms;
}

.mobile-menu.show .mobile-menu-link:nth-child(4) {
  transition-delay: 200ms;
}

.mobile-menu.show .mobile-menu-link:nth-child(5) {
  transition-delay: 250ms;
}

.mobile-menu-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--header-btnH-color);
  border-left-color: var(--header-btnH-color);
  padding-left: 1.5rem;
}

.mobile-menu-link.active {
  color: var(--header-btnH-color);
  background: rgba(59, 130, 246, 0.1);
  border-left-color: var(--header-btnH-color);
}

/* Mobile Menu Footer */
.mobile-menu-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--navbar-border);
  margin-top: auto;
}

.mobile-menu-footer .btn-primary {
  width: 100%;
  text-align: center;
  padding: 0.625rem 1rem;
}

/* Body Scroll Lock */
body.menu-open {
  overflow: hidden;
}

/* Focus Visible for Accessibility */
*:focus-visible {
  outline: 2px solid var(--header-btnH-color);
  outline-offset: 2px;
}

/* Skip to Content for Accessibility */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--header-btnH-color);
  color: white;
  padding: 1rem;
  z-index: 10000;
  transition: top 0.3s;
}

.skip-to-content:focus {
  top: 0;
}

/* ========================================
   NAVBAR LOGIN (ADMIN)
   ======================================== */

.navbar-login {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  background-color: rgba(10, 10, 10, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.navbar-login .navbar-logo img {
  width: 40px;
  height: 40px;
}

.navbar-login .brand-name {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

.navbar-login .back-to-home {
  text-decoration: none;
  color: var(--header-btnH-color);
  font-weight: 500;
  transition: color 0.3s;
}

.navbar-login .back-to-home:hover {
  color: #0b6bc4;
}

/* ========================================
   RESPONSIVE BREAKPOINTS
   ======================================== */

/* Tablet and Mobile */
@media (max-width: 1024px) {
  .navbar-nav {
    gap: 2rem;
  }
  
  .navbar-nav .nav-link {
    font-size: 0.95rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0 1.25rem;
  }
  
  .navbar-nav {
    display: none;
  }
  
  .navbar-cta .btn-primary {
    display: none;
  }
  
  .navbar-toggle {
    display: block;
  }
  
  .navbar-brand .brand-name {
    font-size: 1.1rem;
  }
  
  .navbar.scrolled .navbar-brand .brand-name {
    font-size: 1rem;
  }
}

@media (max-width: 430px) {
  .navbar {
    padding: 0 1rem;
  }
  
  .navbar-brand img {
    width: 32px;
    height: 32px;
  }
  
  .navbar.scrolled .navbar-brand img {
    width: 28px;
    height: 28px;
  }
  
  .navbar-brand .brand-name {
    font-size: 1rem;
  }
  
  .navbar.scrolled .navbar-brand .brand-name {
    font-size: 0.9rem;
  }
  
  :root {
    --mobile-menu-width: 280px;
  }
}

@media (max-width: 375px) {
  .navbar-brand img {
    width: 30px;
    height: 30px;
  }
  
  .navbar.scrolled .navbar-brand img {
    width: 26px;
    height: 26px;
  }
  
  .navbar-brand .brand-name {
    font-size: 0.95rem;
  }
  
  .navbar.scrolled .navbar-brand .brand-name {
    font-size: 0.85rem;
  }
  
  :root {
    --mobile-menu-width: 260px;
  }
}

@media (max-width: 320px) {
  .navbar {
    padding: 0 0.875rem;
  }
  
  .navbar-brand img {
    width: 28px;
    height: 28px;
  }
  
  .navbar.scrolled .navbar-brand img {
    width: 24px;
    height: 24px;
  }
  
  .navbar-brand .brand-name {
    font-size: 0.9rem;
  }
  
  .navbar.scrolled .navbar-brand .brand-name {
    font-size: 0.8rem;
  }
  
  :root {
    --mobile-menu-width: 240px;
  }
}