:root {
  --primary-color: #3498db;
  --primary-action: #3498db;
  --secondary-color: #2c3e50;
  --accent-color: #e74c3c;
  --accent-action: #e74c3c;
  --text-color: #333333;
  --text-muted: #64748b;
  --bg-color: #f9f9f9;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-header-scrolled: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-dropdown: 0 20px 50px -12px rgba(0, 0, 0, 0.12), 0 8px 20px -8px rgba(0, 0, 0, 0.06);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out-expo);
  --transition-base: 250ms var(--ease-out-expo);
  --transition-slow: 400ms var(--ease-out-expo);
  --header-height: 58px;
  --header-height-desktop: 66px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

[hidden] {
  display: none !important;
}

.pd-sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 1200;
  padding: 10px 20px;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: var(--primary-action);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--primary-action);
  outline-offset: 3px;
}

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1100;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-color), #f39c12, var(--primary-color));
  background-size: 200% 100%;
  animation: progress-shimmer 3s linear infinite;
  transition: width 100ms linear;
}

@keyframes progress-shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  width: 100%;
  height: var(--header-height);
  border-bottom: 1px solid rgba(226, 232, 240, 0.5);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  border-bottom-color: transparent;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-header-scrolled);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 16px;
}

.header-logo,
.mobile-nav-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 0.4rem;
  color: inherit;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  text-decoration: none;
}

.header-logo {
  font-size: 1.55rem;
  transition: transform var(--transition-fast);
}

.header-logo:hover {
  transform: translateY(-1px);
}

.header-logo img,
.mobile-nav-brand img {
  display: block;
  width: auto;
  aspect-ratio: auto;
}

.header-logo img {
  height: 34px;
  transition: transform var(--transition-base);
}

.header-logo:hover img {
  transform: scale(1.05) rotate(-3deg);
}

.header-logo-text {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.header-logo-text > span {
  display: inline-block;
  transition: transform var(--transition-base);
}

.header-logo:hover .peptide { transform: translateX(-2px); }
.header-logo:hover .dosages { transform: translateX(2px); }
.header-logo .peptide,
.mobile-nav-brand .peptide { color: var(--accent-color); }
.header-logo .dosages,
.mobile-nav-brand .dosages { color: var(--primary-color); }

.main-nav {
  display: none;
  height: 100%;
}

.main-nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav-list > .nav-item {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

/* Preserve :hover while the pointer crosses the visual gap into a dropdown.
 * This bridge belongs to the nav item so the menu's scroll overflow cannot
 * clip it. */
.main-nav-list > .nav-item.has-dropdown::before {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  height: 12px;
  background: transparent;
  content: "";
}

.main-nav-list > .nav-item > a:not(.btn) {
  position: relative;
  display: flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  color: var(--secondary-color);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.main-nav-list > .nav-item > a:not(.btn):hover,
.main-nav-list > .nav-item > a:not(.btn):focus-visible {
  background: rgba(52, 152, 219, 0.06);
  color: var(--primary-action);
}

.main-nav-list > .nav-item.nav-item-split > a.nav-split-link {
  padding-right: 8px;
}

/* Keep the Blog caret visually identical to the original inline chevron while
 * retaining a real, keyboard-operable button over the same target area. */
.main-nav-list > .nav-item.has-mega-menu > a.nav-split-link {
  padding-right: 14px;
}

.main-nav-list > .nav-item.has-mega-menu > a.nav-split-link::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 7px;
  opacity: 0.35;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.main-nav-list > .nav-item.has-mega-menu > .nav-caret {
  position: absolute;
  right: 0;
  margin-right: 0;
}

.main-nav-list > .nav-item.has-mega-menu > .nav-caret::after {
  content: none;
}

.main-nav-list > .nav-item.has-mega-menu:hover > a.nav-split-link::after,
.main-nav-list > .nav-item.has-mega-menu:focus-within > a.nav-split-link::after,
.main-nav-list > .nav-item.has-mega-menu.dropdown-open > a.nav-split-link::after {
  transform: rotate(180deg);
  opacity: 0.6;
}

.nav-caret {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 30px;
  margin-right: 4px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--secondary-color);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-caret::after {
  width: 0;
  height: 0;
  border-top: 4px solid currentColor;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  content: "";
  opacity: 0.35;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-caret::after {
  width: 0;
  height: 0;
  border-top: 5px solid currentColor;
  border-right: 5px solid transparent;
  border-left: 5px solid transparent;
  content: "";
  opacity: 0.3;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-caret:hover,
.nav-caret:focus-visible {
  background: rgba(52, 152, 219, 0.06);
  color: var(--primary-action);
}

.nav-item:hover > .nav-caret::after,
.nav-item:focus-within > .nav-caret::after,
.nav-item.dropdown-open > .nav-caret::after {
  transform: rotate(180deg);
  opacity: 0.6;
}

.mobile-caret.submenu-open::after {
  transform: rotate(180deg);
  opacity: 0.5;
}

.dropdown-menu,
.blog-mega-menu {
  position: absolute;
  top: calc(100% + 4px);
  z-index: 9999;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  box-shadow: var(--shadow-dropdown);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.dropdown-menu::before,
.blog-mega-menu::before {
  position: absolute;
  top: -12px;
  right: 0;
  left: 0;
  height: 12px;
  background: transparent;
  content: "";
}

.dropdown-menu {
  left: 50%;
  min-width: 260px;
  max-height: 65vh;
  margin: 0;
  padding: 6px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  list-style: none;
  scrollbar-color: var(--border-color) transparent;
  scrollbar-width: thin;
  transform: translateX(-50%) translateY(8px);
}

.dropdown-menu::-webkit-scrollbar { width: 4px; }
.dropdown-menu::-webkit-scrollbar-track { background: transparent; }
.dropdown-menu::-webkit-scrollbar-thumb {
  border-radius: 10px;
  background: var(--border-color);
}

.dropdown-menu.multi-column {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 2px;
  width: max-content;
  min-width: 520px;
  max-width: min(820px, calc(100vw - 40px));
}

.dropdown-menu > li {
  list-style: none;
}

.dropdown-menu > li > a {
  display: block;
  width: 100%;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  color: var(--secondary-color);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast), padding var(--transition-fast);
}

.dropdown-menu > li > a:hover,
.dropdown-menu > li > a:focus-visible {
  padding-left: 16px;
  background: rgba(52, 152, 219, 0.06);
  color: var(--primary-action);
}

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

.blog-mega-menu {
  right: 0;
  width: 680px;
  max-width: calc(100vw - 40px);
  overflow: visible;
  transform: translateY(8px);
}

.nav-item:hover > .blog-mega-menu,
.nav-item:focus-within > .blog-mega-menu,
.nav-item.dropdown-open > .blog-mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-item.dropdown-suppressed > .dropdown-menu,
.nav-item.dropdown-suppressed > .blog-mega-menu {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.nav-item.dropdown-suppressed > .dropdown-menu {
  transform: translateX(-50%) translateY(8px) !important;
}

.nav-item.dropdown-suppressed > .blog-mega-menu {
  transform: translateY(8px) !important;
}

.nav-item.dropdown-suppressed > .nav-caret::after {
  transform: none !important;
}

.mega-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border-color);
}

.mega-menu-label {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mega-menu-label i {
  color: var(--accent-color);
  font-size: 0.9rem;
}

.mega-menu-view-all {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  color: var(--primary-action);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mega-menu-view-all:hover,
.mega-menu-view-all:focus-visible {
  background: rgba(52, 152, 219, 0.08);
  color: var(--primary-action);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
  padding: 8px;
  list-style: none;
}

.mega-menu-grid > li {
  min-width: 0;
  list-style: none;
}

.mega-post-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 8px;
  border-radius: var(--radius-md);
  color: inherit;
  text-decoration: none;
  transition: background var(--transition-fast);
}

.mega-post-card:hover,
.mega-post-card:focus-visible {
  background: rgba(52, 152, 219, 0.04);
}

.mega-post-thumb {
  display: block;
  flex-shrink: 0;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-sm);
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
}

.mega-post-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.mega-post-card:hover .mega-post-thumb img,
.mega-post-card:focus-visible .mega-post-thumb img {
  transform: scale(1.06);
}

.mega-post-thumb-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border-color);
  font-size: 1.6rem;
}

.mega-post-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding: 10px 2px 4px;
}

.mega-post-title {
  display: -webkit-box;
  overflow: hidden;
  color: var(--text-color);
  font-size: 0.84rem;
  font-weight: 550;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  transition: color var(--transition-fast);
}

.mega-post-card:hover .mega-post-title,
.mega-post-card:focus-visible .mega-post-title {
  color: var(--primary-action);
}

.mega-post-date {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 0.72rem;
  opacity: 0.7;
}

.mega-post-date i { font-size: 0.65rem; }

.mega-menu-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 40px 24px;
  color: var(--text-muted);
  text-align: center;
}

.mega-menu-empty i { font-size: 1.5rem; opacity: 0.4; }
.mega-menu-empty span { font-size: 0.9rem; font-weight: 500; }

.btn {
  position: relative;
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  padding: 9px 20px !important;
  border: 0 !important;
  border-radius: var(--radius-full) !important;
  background: var(--accent-action) !important;
  box-shadow: 0 2px 8px rgba(231, 76, 60, 0.25), 0 1px 2px rgba(231, 76, 60, 0.15);
  color: #fff !important;
  font-size: 0.86rem !important;
  font-weight: 600 !important;
  letter-spacing: -0.01em;
  text-decoration: none !important;
  white-space: nowrap;
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast) !important;
}

.btn:hover,
.btn:focus-visible {
  background: #c0392b !important;
  box-shadow: 0 6px 16px rgba(231, 76, 60, 0.3), 0 2px 4px rgba(231, 76, 60, 0.1) !important;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(231, 76, 60, 0.2) !important;
}

.btn i {
  font-size: 0.72rem;
  transition: transform var(--transition-fast);
}

.btn:hover i { transform: translateX(3px); }

.hamburger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--transition-fast);
}

.hamburger-btn:hover,
.hamburger-btn:focus-visible {
  background: rgba(0, 0, 0, 0.04);
}

.hamburger-lines {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 20px;
  height: 14px;
}

.hamburger-lines span {
  display: block;
  height: 2px;
  border-radius: 2px;
  transform-origin: center;
  transition: opacity var(--transition-base), transform var(--transition-base), width var(--transition-base);
}

.hamburger-lines span:nth-child(1) { width: 100%; background: var(--accent-color); }
.hamburger-lines span:nth-child(2) { width: 70%; background: var(--secondary-color); }
.hamburger-lines span:nth-child(3) { width: 100%; background: var(--primary-color); }
.hamburger-btn.active .hamburger-lines span:nth-child(1) { width: 100%; background: var(--secondary-color); transform: translateY(6px) rotate(45deg); }
.hamburger-btn.active .hamburger-lines span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger-btn.active .hamburger-lines span:nth-child(3) { width: 100%; background: var(--secondary-color); transform: translateY(-6px) rotate(-45deg); }

.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 997;
  display: none;
  background: rgba(15, 23, 42, 0.25);
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: opacity var(--transition-base);
}

.mobile-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: -100%;
  z-index: 998;
  display: none;
  width: min(88vw, 380px);
  height: 100dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--card-bg);
  box-shadow: -10px 0 50px rgba(0, 0, 0, 0.1);
  transition: right var(--transition-slow);
}

.mobile-nav-panel.active {
  right: 0;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
}

.mobile-nav-brand {
  gap: 8px;
}

.mobile-nav-brand img {
  height: 28px;
}

.mobile-nav-brand-text {
  font-size: 1.15rem;
}

.mobile-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-color);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-close-btn:hover,
.mobile-close-btn:focus-visible {
  background: var(--border-color);
  color: var(--text-color);
}

.mobile-nav-panel-inner {
  padding: 12px 14px 32px;
}

.mobile-nav-list,
.mobile-submenu {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mobile-nav-list > li {
  margin-bottom: 2px;
}

.mobile-nav-row {
  display: flex;
  align-items: stretch;
}

.mobile-nav-list > li > a,
.mobile-nav-row > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  color: var(--text-color);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-nav-row > a {
  flex: 1;
  min-width: 0;
}

.mobile-nav-list > li > a:hover,
.mobile-nav-list > li > a:focus-visible,
.mobile-nav-row > a:hover,
.mobile-nav-row > a:focus-visible {
  background: rgba(52, 152, 219, 0.05);
  color: var(--primary-action);
}

.mobile-caret {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 48px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-color);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-caret:hover,
.mobile-caret:focus-visible {
  background: rgba(52, 152, 219, 0.05);
  color: var(--primary-action);
}

.mobile-submenu {
  margin: 4px 0 8px;
  padding: 4px 0 4px 12px;
  border-left: 2px solid var(--primary-color);
  animation: submenu-reveal var(--transition-base) both;
}

@keyframes submenu-reveal {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-submenu > li > a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 400;
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-submenu > li > a:hover,
.mobile-submenu > li > a:focus-visible {
  background: rgba(52, 152, 219, 0.05);
  color: var(--primary-action);
}

.mobile-submenu .mobile-view-all {
  color: var(--primary-action);
  font-weight: 600;
}

.mobile-nav-list .btn {
  justify-content: center;
  margin: 20px 16px 0;
  padding: 14px 24px !important;
  border-radius: var(--radius-md) !important;
  font-size: 0.95rem !important;
}

.nav-item-blurred .nav-link-label {
  display: inline-block;
  filter: blur(var(--pdcg-blur, 5px));
  -webkit-filter: blur(var(--pdcg-blur, 5px));
  user-select: none;
  -webkit-user-select: none;
  transition: filter var(--transition-base);
}

.nav-item-blurred:hover .nav-link-label,
.nav-item-blurred:focus-within .nav-link-label {
  filter: blur(calc(var(--pdcg-blur, 5px) * 0.6));
  -webkit-filter: blur(calc(var(--pdcg-blur, 5px) * 0.6));
}

.header-auth {
  display: flex;
  align-items: center;
  margin-left: 8px;
}

.header-auth-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  background: transparent;
  color: var(--secondary-color);
  font-size: 1rem;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.header-auth-link:hover,
.header-auth-link:focus-visible {
  border-color: var(--accent-action);
  background: rgba(231, 76, 60, 0.05);
  color: var(--accent-action);
  transform: translateY(-1px);
}

.header-auth-link.logged-in {
  border-color: #27ae60;
  color: #27ae60;
}

.header-auth-link.logged-in:hover,
.header-auth-link.logged-in:focus-visible {
  background: rgba(39, 174, 96, 0.05);
}

.site-breadcrumbs {
  position: relative;
  z-index: 10;
  padding: 0;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-color);
  font-size: 0.82rem;
  line-height: 1;
}

.breadcrumb-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 16px;
}

.site-breadcrumbs span {
  display: inline;
  color: var(--text-muted);
}

.site-breadcrumbs a {
  color: var(--text-muted);
  font-weight: 450;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.site-breadcrumbs a:hover,
.site-breadcrumbs a:focus-visible {
  color: var(--primary-action);
}

.site-breadcrumbs .breadcrumb_last {
  display: inline-block;
  max-width: 280px;
  overflow: hidden;
  color: var(--secondary-color);
  font-weight: 600;
  text-overflow: ellipsis;
  vertical-align: bottom;
  white-space: nowrap;
}

.breadcrumb-separator {
  display: inline-block;
  margin: 0 8px;
  color: var(--border-color);
  font-size: 0.7rem;
  vertical-align: middle;
}

@media (max-width: 820px) {
  .blog-mega-menu { width: 460px; }
  .mega-menu-grid { grid-template-columns: repeat(2, 1fr); }
  .mega-menu-grid > li:nth-child(n + 5) { display: none; }
}

@media (max-width: 768px) {
  .header-inner {
    display: grid;
    grid-template-columns: 42px 1fr 42px;
    align-items: center;
    gap: 0;
    padding: 0 10px;
  }

  .hamburger-btn {
    order: 1;
    justify-self: start;
  }

  .header-logo {
    order: 2;
    justify-self: center;
    flex-shrink: 1;
    min-width: 0;
    margin-right: 0;
    overflow: hidden;
    font-size: 1.3rem;
  }

  .header-logo img { height: 28px; }
  .main-nav { display: none; }

  .header-auth {
    position: static;
    order: 3;
    justify-self: end;
    margin-left: 0;
    transform: none;
  }

  .header-auth-link {
    width: 34px;
    height: 34px;
    font-size: 0.85rem;
  }

  .mobile-nav-panel:not([hidden]),
  .mobile-overlay:not([hidden]) {
    display: block;
  }

  body.mobile-menu-open {
    overflow: hidden;
  }
}

@media (min-width: 769px) {
  .site-header { height: var(--header-height-desktop); }
  .header-inner { padding: 0 28px; }
  .header-logo { font-size: 1.8rem; }
  .header-logo img { height: 38px; }
  .main-nav { display: flex; }
  .hamburger-btn { display: none; }
  .mobile-nav-panel,
  .mobile-overlay { display: none !important; }

  .breadcrumb-inner { padding: 12px 28px; }
  .site-breadcrumbs { font-size: 0.84rem; }
  .site-breadcrumbs .breadcrumb_last { max-width: 450px; }
}

@media (prefers-reduced-motion: reduce) {
  .progress-bar {
    animation: none;
    transition: none;
  }

  .site-header,
  .site-header *,
  .mobile-nav-panel,
  .mobile-nav-panel *,
  .mobile-overlay,
  .site-breadcrumbs * {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}