/* Header & Navigation Styles */

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  background: transparent;
}

.site-header button {
  background: transparent;
  border: none;
  cursor: pointer;
  color: inherit;
  font: inherit;
  outline: none;
  padding: 0;
}

.site-header ul,
.site-header li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header a {
  text-decoration: none;
  color: inherit;
}

.header-container {
  display: flex;
  align-items: center;
  height: 100%;
  position: relative;
}

/* Branding Lockup */
.brand-group {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-group:hover .brand-year {
  opacity: 0.95;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  position: relative;
}

.brand-logo-svg {
  display: block;
  height: 42px;
  width: auto;
}

.brand-divider {
  width: 1px;
  height: 26px;
  background-color: var(--color-divider);
  flex-shrink: 0;
}

.brand-year {
  font-size: 1.375rem; /* ~22px */
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-white);
  line-height: 1;
}

/* Desktop Navigation */
.main-nav {
  display: flex;
  align-items: center;
  margin-left: clamp(36px, 4.2vw, 95px);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 38px);
}

.nav-item {
  position: relative;
}

.site-header .nav-link,
.site-header .nav-dropdown-trigger,
.site-header button.nav-dropdown-trigger,
.nav-link,
.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 0;
  font-family: inherit;
  font-size: clamp(0.86rem, 0.95vw, 1.05rem);
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: -0.01em;
  white-space: nowrap;
  background: transparent;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.site-header .nav-link:hover,
.site-header .nav-dropdown-trigger:hover,
.site-header button.nav-dropdown-trigger:hover,
.site-header .nav-link:focus-visible,
.site-header .nav-dropdown-trigger:focus-visible,
.site-header button.nav-dropdown-trigger:focus-visible,
.nav-link:hover,
.nav-dropdown-trigger:hover,
.nav-link:focus-visible,
.nav-dropdown-trigger:focus-visible {
  color: var(--color-text-muted);
  opacity: 0.88;
}

.dropdown-chevron {
  display: inline-block;
  width: 11px;
  height: 11px;
  transition: transform var(--transition-fast);
  stroke: currentColor;
  stroke-width: 2.2;
  fill: none;
}

.nav-dropdown-trigger[aria-expanded="true"] .dropdown-chevron {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 240px;
  background-color: var(--color-navy-surface);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-dropdown);
  box-shadow: var(--shadow-dropdown);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 150;
}

.dropdown-menu.is-active,
.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-link:hover,
.dropdown-link:focus-visible {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
}

/* Header Actions (Search & Mobile Menu Toggle) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.search-toggle-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 44px !important;
  height: 44px !important;
  border-radius: 50% !important;
  color: var(--color-white) !important;
  cursor: pointer !important;
  background: transparent !important;
  border: none !important;
  position: relative !important;
  z-index: 105 !important;
  transition: background-color var(--transition-fast), color var(--transition-fast) !important;
}

.search-toggle-btn:hover {
  background-color: rgba(255, 255, 255, 0.12) !important;
}

.search-icon-svg,
.search-icon-svg * {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 2.2;
  fill: none;
  pointer-events: none !important;
}

/* Search Modal / Bar */
.search-bar-wrap {
  position: absolute !important;
  top: calc(100% + 6px) !important;
  right: 0 !important;
  width: min(480px, calc(100vw - 32px)) !important;
  background-color: var(--color-navy-surface, #081726) !important;
  border: 1px solid rgba(255, 255, 255, 0.22) !important;
  border-radius: var(--radius-dropdown, 12px) !important;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.75) !important;
  padding: 10px 14px !important;
  display: flex !important;
  flex-direction: column !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: translateY(-8px) !important;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast) !important;
  z-index: 99999 !important;
}

@media (max-width: 767px) {
  .search-bar-wrap {
    position: fixed !important;
    top: calc(var(--header-height, 86px) + 6px) !important;
    left: 12px !important;
    right: 12px !important;
    width: auto !important;
    max-width: calc(100vw - 24px) !important;
    margin: 0 auto !important;
  }
}

.search-bar-wrap.is-active {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateY(0) !important;
}

.search-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-white);
  padding: 6px 4px;
  outline: none;
}

.search-input::placeholder {
  color: rgba(226, 230, 236, 0.55);
}

.search-close-btn {
  color: var(--color-text-muted);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  cursor: pointer;
}

.search-close-btn:hover {
  color: var(--color-white);
}

/* Search Results Container */
.search-results-box {
  display: none;
  max-height: 360px;
  overflow-y: auto;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.search-bar-wrap.has-results .search-results-box {
  display: block;
}

.search-result-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: background-color var(--transition-fast);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover,
.search-result-item.is-selected {
  background-color: rgba(255, 255, 255, 0.08);
}

.search-result-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-orange, #ff5722);
}

.search-result-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.35;
}

.search-result-desc {
  font-size: 0.8rem;
  color: #94a3b8;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-empty-state {
  padding: 18px 12px;
  text-align: center;
  font-size: 0.875rem;
  color: #94a3b8;
}

/* Floating Back to Top Button */
.floating-back-to-top {
  position: fixed !important;
  bottom: 24px !important;
  right: 24px !important;
  width: 48px !important;
  height: 48px !important;
  border-radius: 50% !important;
  background: var(--color-orange, #ff5722) !important;
  color: #ffffff !important;
  border: none !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: 0 6px 20px rgba(255, 87, 34, 0.45), 0 4px 12px rgba(0, 0, 0, 0.4) !important;
  z-index: 99999 !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: translateY(16px) !important;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, background-color 0.2s ease, box-shadow 0.2s ease !important;
}

.floating-back-to-top.is-visible {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateY(0) !important;
}

.floating-back-to-top:hover {
  background-color: #f4511e !important;
  transform: translateY(-3px) scale(1.06) !important;
  box-shadow: 0 10px 24px rgba(255, 87, 34, 0.55), 0 6px 16px rgba(0, 0, 0, 0.45) !important;
}

.floating-back-to-top svg {
  width: 22px !important;
  height: 22px !important;
  stroke: currentColor !important;
  stroke-width: 2.5 !important;
  fill: none !important;
}

@media (max-width: 600px) {
  .floating-back-to-top {
    bottom: calc(18px + env(safe-area-inset-bottom, 0px)) !important;
    right: calc(18px + env(safe-area-inset-right, 0px)) !important;
    width: 44px !important;
    height: 44px !important;
  }
}

/* Mobile Menu Toggle (Hidden on Desktop) */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  color: var(--color-white);
  border-radius: 6px;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

.mobile-menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

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