/* Header styles for Budarozonne - builds on base.css */

.brz-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.95), rgba(5, 6, 8, 0.85));
  border-bottom: 1px solid rgba(244, 199, 112, 0.18);
}

.brz-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.brz-header__branding {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.brz-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-neutral-900);
}

.brz-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background:
    radial-gradient(circle at 30% 20%, rgba(244, 199, 112, 0.9), transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(22, 182, 127, 0.9), transparent 60%),
    var(--color-bg-elevated);
  box-shadow: 0 0 0 1px rgba(244, 199, 112, 0.4), var(--shadow-soft);
  position: relative;
}

.brz-header__logo-mark::after {
  content: "♣";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  color: var(--color-neutral-900);
  text-shadow: 0 0 8px rgba(0, 0, 0, 0.7);
}

.brz-header__logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--color-neutral-900);
}

/* Navigation */

.brz-header__nav {
  display: flex;
}

.brz-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.brz-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-neutral-800);
  padding: 0.3rem 0;
}

.brz-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-gold));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.brz-header__nav-link:hover,
.brz-header__nav-link:focus-visible {
  color: var(--color-neutral-900);
}

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

.brz-header__nav-link--highlight {
  padding: 0.45rem 1.2rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(244, 199, 112, 0.7);
  background: radial-gradient(circle at 0 0, rgba(244, 199, 112, 0.25), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(22, 182, 127, 0.2), transparent 55%),
    rgba(5, 6, 8, 0.9);
  box-shadow: 0 0 0 1px rgba(244, 199, 112, 0.25), var(--shadow-soft);
}

.brz-header__nav-link--highlight::after {
  display: none;
}

/* Mobile toggle */

.brz-header__toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: radial-gradient(circle at 0 0, rgba(244, 199, 112, 0.24), transparent 55%),
    rgba(5, 6, 8, 0.95);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.brz-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-neutral-800);
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}

.brz-header__toggle:focus-visible {
  box-shadow: var(--shadow-focus);
}

.brz-header--menu-open .brz-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.brz-header--menu-open .brz-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.brz-header--menu-open .brz-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile nav layout */

@media (max-width: 768px) {
  .brz-header__toggle {
    display: inline-flex;
  }

  .brz-header__nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: radial-gradient(circle at 0 0, rgba(244, 199, 112, 0.12), transparent 65%),
      rgba(5, 6, 8, 0.98);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .brz-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-6);
    gap: var(--space-3);
  }

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

  .brz-header__nav-link--highlight {
    width: 100%;
    justify-content: center;
  }
}

/* Medium breakpoint adjustments */

@media (max-width: 1024px) and (min-width: 769px) {
  .brz-header__nav-list {
    gap: var(--space-3);
  }

  .brz-header__logo-text {
    font-size: 0.8rem;
  }
}