/* ==========================================
   Announcement Top Bar
   ========================================== */
.top-bar {
  width: 100%;
  background: rgba(255, 255, 255, 0.015);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
  z-index: 101;
  max-height: 40px;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.25s ease;
}

body.light-mode .top-bar {
  background: rgba(0, 0, 0, 0.02);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.top-bar.dismissed {
  max-height: 0;
  opacity: 0;
  border-bottom: none;
}

.top-bar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 6px var(--side-gutter);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.top-bar-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: clamp(10px, 1.1vw, 12.5px);
  max-width: 85%;
}

.top-bar-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 2px 5px;
  border-radius: 4px;
}

.top-bar-text {
  color: var(--text-muted);
  font-weight: 450;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-bar-action {
  color: var(--text-main);
  font-weight: 550;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.top-bar-arrow {
  width: 12px;
  height: 12px;
}

.top-bar-close {
  position: absolute;
  right: var(--side-gutter);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.top-bar-close svg {
  width: 12px;
  height: 12px;
}


/* ==========================================
   Header Layout (PC & Tablet)
   ========================================== */
header {
  position: relative;
  z-index: 100;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px var(--side-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
  flex-shrink: 0;
}

.logo-icon {
  width: 22px;
  height: 22px;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-main);
}

/* Desktop Nav Menu */
.desktop-nav {
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 32px);
  list-style: none;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-nav);
  font-size: 13.5px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-menu a:hover {
  color: var(--nav-hover);
}

/* Nav Dropdown */
.nav-dropdown {
  position: relative;
  display: inline-flex;
}

.dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.dropdown-chevron {
  width: 12px;
  height: 12px;
  transition: transform 0.2s ease;
}

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

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 180px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 6px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.2s ease;
  box-shadow: 0 16px 36px -6px rgba(0, 0, 0, 0.6);
}

body.light-mode .nav-dropdown-menu {
  background: #ffffff;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu li a {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-muted);
  border-radius: 6px;
}

.nav-dropdown-menu li a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
}

/* Right Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* Theme Toggle */
.theme-toggle {
  width: 44px;
  height: 24px;
  background-color: #16161a;
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  position: relative;
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 2px;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.theme-toggle .toggle-knob {
  width: 18px;
  height: 18px;
  background-color: #ffffff;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.35);
  transform: translateX(0px);
  transition: transform 0.3s ease;
}

body.light-mode .theme-toggle {
  background-color: #e2e8f0;
  border-color: rgba(0, 0, 0, 0.15);
}

body.light-mode .theme-toggle .toggle-knob {
  transform: translateX(20px);
  background-color: #0f172a;
}

/* Pill CTA Button */
.btn-connect {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: 9999px;
  background-color: var(--connect-bg);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 13px;
  font-weight: 550;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-connect:hover {
  background-color: var(--connect-hover);
  border-color: var(--border-focus);
}

/* Mobile Hamburger Button (Hidden on PC/Tablet) */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 102;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer Overlay */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(7, 7, 9, 0.95);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px var(--side-gutter);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-mode .mobile-drawer {
  background: rgba(248, 250, 252, 0.97);
}

.mobile-drawer.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: center;
}

.mobile-nav-links a {
  text-decoration: none;
  color: var(--text-main);
  font-size: 20px;
  font-weight: 600;
}

.mobile-cta-btn {
  margin-top: 30px;
  width: 100%;
  padding: 14px;
  font-size: 15px;
  text-align: center;
}


/* ==========================================
   MOBILE HEADER BREAKPOINT (<= 768px)
   ========================================== */
@media (max-width: 768px) {
  .desktop-nav {
    display: none; /* Hide Desktop Nav */
  }

  .desktop-only {
    display: none; /* Hide Desktop Connect Button */
  }

  .mobile-menu-btn {
    display: flex; /* Show Hamburger on Mobile */
  }

  .top-bar-action {
    display: none;
  }
}