.site-header {
  position: relative;
}

.site-header ul {
  list-style: none !important;
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-lg);
}

.header-nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
}

.header-nav-item {
  margin: 0;
}

.header-nav-link {
  position: relative;
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  text-decoration: none;
  padding-block: 0.15rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.header-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(164, 255, 176, 0.1), rgba(164, 255, 176, 0.9));
  transition: width var(--transition-med);
}

.header-nav-link:hover,
.header-nav-link:focus-visible {
  color: var(--color-text);
}

.header-nav-link:hover::after,
.header-nav-link:focus-visible::after,
.header-nav-link[aria-current="page"]::after {
  width: 100%;
}

.header-nav-link[aria-current="page"] {
  color: var(--color-text);
}

.header-nav-cta {
  display: flex;
  align-items: center;
}

.header-nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 6, 8, 0.95);
  padding: 0;
}

.header-nav-toggle-bars {
  position: relative;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-med), background var(--transition-med);
}

.header-nav-toggle-bars::before,
.header-nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-med), opacity var(--transition-med);
}

.header-nav-toggle-bars::before {
  top: -5px;
}

.header-nav-toggle-bars::after {
  top: 5px;
}

.header-mobile-nav {
  position: relative;
}

.header-mobile-nav-panel {
  position: fixed;
  top: calc(1.6rem + 56px);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 6, 8, 0.98);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: var(--z-nav-overlay);
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  overflow-y: auto;
}

.header-mobile-nav-list {
  margin: 0 0 var(--space-lg);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.header-mobile-nav-item {
  margin: 0;
}

.header-mobile-nav-link {
  display: block;
  font-size: var(--text-md);
  color: var(--color-text-soft);
  text-decoration: none;
  padding: 0.4rem 0;
}

.header-mobile-nav-link[aria-current="page"] {
  color: var(--color-text);
}

.header-mobile-nav-item-accent .header-mobile-nav-link {
  font-weight: 500;
  color: var(--color-accent-primary-soft);
}

.header-mobile-nav-open .header-mobile-nav {
  display: block;
}

.header-mobile-nav-open #header-mobile-nav[hidden] {
  display: block;
}

.header-mobile-nav-open #header-mobile-nav {
  animation: headerMobileFadeIn var(--transition-med) ease-out;
}

.header-mobile-nav-closing #header-mobile-nav {
  animation: headerMobileFadeOut var(--transition-med) ease-in forwards;
}

@keyframes headerMobileFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes headerMobileFadeOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-8px);
  }
}

.header-mobile-nav-open .header-nav-toggle-bars {
  background: transparent;
}

.header-mobile-nav-open .header-nav-toggle-bars::before {
  transform: translateY(5px) rotate(45deg);
}

.header-mobile-nav-open .header-nav-toggle-bars::after {
  transform: translateY(-5px) rotate(-45deg);
}

@media (max-width: 1024px) {
  .header-nav-list {
    display: none;
  }

  .header-nav-cta {
    display: none;
  }

  .header-nav-toggle {
    display: inline-flex;
  }

  .header-mobile-nav {
    display: none;
  }

  .header-mobile-nav-open .header-mobile-nav {
    display: block;
  }
}

@media (max-width: 768px) {
  .header-inner {
    gap: var(--space-md);
  }

  .header-mobile-nav-panel {
    padding-inline: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .header-mobile-nav-panel {
    top: calc(1.6rem + 52px);
  }
}

/* FINAL FIX: 21+ bar + mobile burger overlay */
:root {
  --notice-21-height: 72px;
  --header-real-height: 68px;
}

.notice-21 {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000000;
}

.header {
  position: sticky !important;
  top: var(--notice-21-height) !important;
  z-index: 999999;
  margin-top: var(--notice-21-height) !important;
  background: rgba(5, 6, 8, 0.98);
}

.header-inner {
  min-height: var(--header-real-height);
}

html.no-scroll,
body.no-scroll {
  overflow: hidden !important;
}

.header-mobile-nav {
  display: none;
}

.header-mobile-nav.is-open {
  display: block !important;
}

.header-mobile-nav[hidden] {
  display: none !important;
}

.header-mobile-nav.is-open[hidden] {
  display: block !important;
}

.header-mobile-nav-panel {
  position: fixed !important;
  top: calc(var(--notice-21-height) + var(--header-real-height)) !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  z-index: 999998 !important;
  width: 100vw !important;
  max-width: none !important;
  padding: 18px 16px 32px !important;
  background:
    radial-gradient(circle at top left, rgba(164, 255, 176, 0.16), transparent 42%),
    rgba(5, 6, 8, 0.99) !important;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow-y: auto !important;
  transform: none !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

.header-mobile-nav-list {
  margin: 0 !important;
  padding: 0 !important;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.header-mobile-nav-link {
  display: block;
  width: 100%;
  padding: 14px 16px !important;
  border-radius: 14px;
  border: 1px solid rgba(164, 255, 176, 0.12);
  background: rgba(255, 255, 255, 0.045);
  color: var(--color-text-soft);
  font-size: 15px;
  text-decoration: none;
}

.header-mobile-nav-link:hover,
.header-mobile-nav-link[aria-current="page"] {
  color: var(--color-text);
  border-color: rgba(164, 255, 176, 0.35);
  background: rgba(164, 255, 176, 0.08);
}

.site-header.header-mobile-nav-open .header-nav-toggle-bars {
  background: transparent;
}

.site-header.header-mobile-nav-open .header-nav-toggle-bars::before {
  transform: translateY(5px) rotate(45deg);
}

.site-header.header-mobile-nav-open .header-nav-toggle-bars::after {
  transform: translateY(-5px) rotate(-45deg);
}

@media (max-width: 1024px) {
  .header-nav-list {
    display: none;
  }

  .header-nav-cta {
    display: none;
  }

  .header-nav-toggle {
    display: inline-flex;
    flex-shrink: 0;
  }

  .header-logo-title,
  .header-logo-subtitle {
    max-width: 170px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (max-width: 768px) {
  .notice-21-inner {
    padding: 8px 16px !important;
    gap: 8px !important;
    align-items: flex-start !important;
  }

  .notice-21-text {
    align-items: flex-start !important;
    gap: 8px !important;
  }

  .notice-21-text span:last-child {
    flex: 1 1 220px;
  }

  .notice-21-cta {
    width: 100%;
  }

  .notice-21-cta a {
    display: inline-block;
  }
}

@media (max-width: 420px) {
  .header-logo-title,
  .header-logo-subtitle {
    max-width: 145px;
  }
}