.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--vds-glass, rgba(6, 12, 24, 0.88));
  backdrop-filter: blur(var(--vds-blur, 14px));
  -webkit-backdrop-filter: blur(var(--vds-blur, 14px));
  border-bottom: 1px solid var(--vds-border, rgba(148, 163, 184, 0.14));
}

.site-header-inner {
  max-width: var(--vds-container-lg, 1120px);
  margin: 0 auto;
  padding: var(--vds-space-3) var(--vds-space-4);
  display: flex;
  align-items: center;
  gap: var(--vds-space-3);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--vds-space-2);
  text-decoration: none;
  color: var(--vds-text, #f1f5f9);
  font-family: var(--vds-font-display, "Rajdhani", system-ui, sans-serif);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.site-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--vds-radius-sm, 8px);
  object-fit: cover;
  display: block;
  flex-shrink: 0;
  box-shadow: var(--vds-shadow-sm);
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--vds-space-1);
  flex: 1;
  min-width: 0;
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
  }
}

.site-nav a {
  color: var(--vds-text-muted);
  text-decoration: none;
  font-size: var(--vds-text-sm);
  font-weight: 600;
  padding: var(--vds-space-2) var(--vds-space-3);
  border-radius: var(--vds-radius-sm);
  transition: color var(--vds-duration-fast), background var(--vds-duration-fast);
  border: 1px solid transparent;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-nav a:hover {
  color: var(--vds-text);
  background: var(--vds-accent-muted);
}

.site-nav a.active {
  color: #fff;
  background: var(--vds-gradient-brand);
  border-color: rgba(186, 230, 253, 0.35);
}

.site-header-actions {
  display: flex;
  align-items: center;
  gap: var(--vds-space-2);
  margin-left: auto;
  flex-shrink: 0;
}

.site-premium-cta {
  display: none;
  position: relative;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 var(--vds-space-3);
  border-radius: var(--vds-radius-full);
  text-decoration: none;
  font-family: var(--vds-font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #1e293b;
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 48%, #fde68a 100%);
  background-size: 200% 200%;
  border: 1px solid rgba(253, 224, 71, 0.55);
  box-shadow: 0 2px 10px rgba(251, 191, 36, 0.28);
  min-height: 34px;
  line-height: 1;
  flex-shrink: 0;
  overflow: hidden;
  isolation: isolate;
  animation:
    premiumCtaGradient 5s ease-in-out infinite,
    premiumCtaGlow 2.8s ease-in-out infinite;
  transition:
    transform var(--vds-duration-fast) var(--vds-ease-spring),
    filter var(--vds-duration-fast),
    box-shadow var(--vds-duration-fast);
}

.site-premium-cta__shine {
  position: absolute;
  inset: -40% -60%;
  background: linear-gradient(
    105deg,
    transparent 42%,
    rgba(255, 255, 255, 0.55) 50%,
    transparent 58%
  );
  transform: translateX(-120%) rotate(12deg);
  animation: premiumCtaShimmer 4.5s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.site-premium-cta__content {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.site-premium-cta:hover {
  filter: brightness(1.06);
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 6px 18px rgba(251, 191, 36, 0.45);
  animation-play-state: paused;
}

.site-premium-cta:active {
  transform: translateY(0) scale(0.98);
}

.site-premium-cta svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  transform-origin: center;
  animation: premiumStarTwinkle 2.8s ease-in-out infinite;
}

.site-premium-cta:hover svg {
  animation: premiumStarPop 0.55s var(--vds-ease-spring);
}

@keyframes premiumCtaGradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes premiumCtaGlow {
  0%, 100% { box-shadow: 0 2px 10px rgba(251, 191, 36, 0.28); }
  50% { box-shadow: 0 4px 16px rgba(251, 191, 36, 0.42); }
}

@keyframes premiumCtaShimmer {
  0%, 72% { transform: translateX(-120%) rotate(12deg); }
  100% { transform: translateX(120%) rotate(12deg); }
}

@keyframes premiumStarTwinkle {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.12); opacity: 0.92; }
}

@keyframes premiumStarPop {
  0% { transform: scale(1) rotate(0deg); }
  40% { transform: scale(1.25) rotate(-8deg); }
  100% { transform: scale(1) rotate(0deg); }
}

@media (min-width: 640px) {
  .site-premium-cta:not([hidden]) {
    display: inline-flex;
  }
}

.site-menu-btn {
  -webkit-appearance: none;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--vds-border);
  border-radius: var(--vds-radius-sm);
  background: rgba(0, 0, 0, 0.25);
  color: var(--vds-text);
  cursor: pointer;
}

.site-menu-btn svg {
  width: 22px;
  height: 22px;
}

@media (min-width: 768px) {
  .site-menu-btn {
    display: none;
  }
}

.site-user-menu {
  position: relative;
}

.site-user-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--vds-space-2);
  padding: var(--vds-space-1) var(--vds-space-3) var(--vds-space-1) var(--vds-space-1);
  border: 1px solid var(--vds-border);
  border-radius: var(--vds-radius-full);
  background: rgba(0, 0, 0, 0.25);
  color: var(--vds-text);
  font-family: var(--vds-font-body);
  font-size: var(--vds-text-sm);
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  transition:
    border-color var(--vds-duration-fast),
    background var(--vds-duration-fast),
    box-shadow var(--vds-duration-fast);
}

.site-user-trigger:hover {
  border-color: var(--vds-border-strong);
  background: rgba(14, 165, 233, 0.08);
  box-shadow: 0 0 0 1px rgba(14, 165, 233, 0.1);
}

.site-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--vds-gradient-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--vds-font-display, "Rajdhani", system-ui, sans-serif);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  flex-shrink: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.site-user-label {
  font-family: var(--vds-font-display, "Rajdhani", system-ui, sans-serif);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.035em;
  line-height: 1;
  color: #f1f5f9;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .site-user-label {
    display: none;
  }
}

.site-user-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + var(--vds-space-2));
  min-width: 200px;
  padding: var(--vds-space-2);
  border: 1px solid var(--vds-border);
  border-radius: var(--vds-radius-md);
  background: var(--vds-surface-solid);
  box-shadow: var(--vds-shadow-lg);
  z-index: 300;
}

.site-user-menu[hidden],
.site-signin[hidden],
.site-premium-cta[hidden],
.site-drawer[hidden],
.site-drawer-backdrop[hidden] {
  display: none !important;
}

.site-user-dropdown[hidden] {
  display: none;
}

.site-user-dropdown a,
.site-user-dropdown button {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: var(--vds-space-2) var(--vds-space-3);
  border: none;
  border-radius: var(--vds-radius-sm);
  background: transparent;
  color: var(--vds-text-muted);
  font-size: var(--vds-text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  text-align: left;
}

.site-user-dropdown a:hover,
.site-user-dropdown button:hover {
  background: var(--vds-accent-muted);
  color: var(--vds-text);
}

.site-user-dropdown .is-danger {
  color: var(--vds-danger);
}

.site-signin {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--vds-space-4);
  border-radius: var(--vds-radius-md);
  border: 1px solid var(--vds-border-strong);
  background: rgba(0, 0, 0, 0.25);
  color: var(--vds-accent-hover);
  text-decoration: none;
  font-size: var(--vds-text-sm);
  font-weight: 600;
}

.site-signin:hover {
  background: var(--vds-accent-muted);
}

/* Mobile drawer */
.site-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: rgba(2, 6, 14, 0.65);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--vds-duration) ease;
}

.site-drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.site-drawer {
  position: fixed;
  z-index: 401;
  top: 0;
  right: 0;
  width: min(88vw, 320px);
  height: 100dvh;
  padding: var(--vds-space-5);
  border-left: 1px solid var(--vds-border);
  background: var(--vds-bg-elevated);
  box-shadow: var(--vds-shadow-lg);
  transform: translateX(100%);
  transition: transform var(--vds-duration) var(--vds-ease-out);
  display: flex;
  flex-direction: column;
  gap: var(--vds-space-4);
}

.site-drawer.is-open {
  transform: translateX(0);
}

.site-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--vds-space-1);
}

.site-drawer-nav a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 var(--vds-space-3);
  border-radius: var(--vds-radius-md);
  color: var(--vds-text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--vds-text-base);
}

.site-drawer-nav a:hover,
.site-drawer-nav a.active {
  background: var(--vds-accent-muted);
  color: var(--vds-text);
}

.site-drawer-nav a.site-drawer-premium {
  color: var(--vds-premium);
  border: 1px solid rgba(251, 191, 36, 0.35);
  background: var(--vds-premium-muted);
}

@media (min-width: 768px) {
  .site-drawer,
  .site-drawer-backdrop {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-drawer,
  .site-drawer-backdrop {
    transition: none;
  }

  .site-premium-cta,
  .site-premium-cta svg,
  .site-premium-cta__shine {
    animation: none !important;
  }

  .site-premium-cta:hover {
    transform: none;
  }
}