/* Header styles for Budanight */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 5, 9, 0.96), rgba(5, 5, 9, 0.88), rgba(5, 5, 9, 0.82));
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  gap: var(--space-4);
}

/* Brand */
.site-header__brand {
  flex: 1 1 auto;
  min-width: 0;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.site-header__logo-mark {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 20%, rgba(245, 197, 107, 0.45), transparent 55%),
              radial-gradient(circle at 70% 80%, rgba(48, 140, 255, 0.5), transparent 55%),
              var(--color-bg-soft);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.site-header__chip-ring {
  position: absolute;
  inset: 5px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  box-shadow: inset 0 0 0 2px rgba(10, 10, 20, 0.9);
}

.site-header__chip-core {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #ff8fb3, var(--color-primary));
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
}

.site-header__brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--font-size-lg);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Navigation */
.site-header__nav {
  flex: 0 0 auto;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text-soft);
  padding-block: 4px;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-poker-chip));
  opacity: 0;
  transform: scaleX(0.4);
  transform-origin: center;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

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

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-header__nav-item--highlight .site-header__nav-link--cta {
  padding-inline: 1.1rem;
  padding-block: 0.45rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(229, 57, 117, 0.6);
  background: radial-gradient(circle at 20% 0, rgba(255, 122, 165, 0.25), rgba(229, 57, 117, 0.85));
  box-shadow: 0 16px 40px rgba(229, 57, 117, 0.55);
  color: #ffffff;
}

.site-header__nav-item--highlight .site-header__nav-link--cta::after {
  display: none;
}

.site-header__nav-item--highlight .site-header__nav-link--cta:hover {
  background: radial-gradient(circle at 20% 0, rgba(255, 143, 179, 0.3), rgba(255, 75, 139, 0.95));
}

/* Mobile nav toggle */
.site-header__nav-toggle {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-text);
  cursor: pointer;
  background: rgba(10, 10, 20, 0.8);
}

.site-header__nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Hide toggle on larger screens */
@media (min-width: 900px) {
  .site-header__nav-toggle {
    display: none;
  }
}

/* Mobile layout */
@media (max-width: 899.98px) {
  .site-header__inner {
    padding-block: var(--space-2);
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 62px;
    background: radial-gradient(circle at top, rgba(229, 57, 117, 0.2), transparent 60%), var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-soft);
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-5);
    gap: var(--space-3);
  }

  .site-header__nav-link {
    font-size: var(--font-size-md);
  }

  .site-header--menu-open .site-header__nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header--menu-open .site-header__nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header--menu-open .site-header__nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .site-header--menu-open .site-header__nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* Notice bar */
.site-header__notice {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  background: radial-gradient(circle at left, rgba(245, 197, 107, 0.18), transparent 55%),
              radial-gradient(circle at right, rgba(48, 140, 255, 0.18), transparent 55%),
              rgba(10, 10, 20, 0.96);
}

.site-header__notice-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-2);
}

.site-header__notice-text {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

@media (max-width: 767.98px) {
  .site-header__notice-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}