/* Golden Vyra - Header Styles */
.gv-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: radial-gradient(circle at top left, rgba(212, 175, 55, 0.1), transparent 55%), rgba(3, 4, 8, 0.9);
  border-bottom: 1px solid var(--color-border-subtle);
}

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

.gv-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.gv-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.gv-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #f6e7bf 0, #d4af37 32%, #7b5a10 72%, #100b05 100%);
  box-shadow: 0 0 0 1px rgba(244, 240, 232, 0.3), var(--shadow-subtle);
  position: relative;
}

.gv-header__logo-mark::after {
  content: "GV";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #1a1204;
}

.gv-header__title-group {
  display: flex;
  flex-direction: column;
}

.gv-header__site-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.gv-header__site-subtitle {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

/* Navigation */
.gv-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.gv-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
}

.gv-header__nav-link {
  position: relative;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 0.2rem;
}

.gv-header__nav-link::after {
  height: 2px;
  bottom: -0.35rem;
}

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

.gv-header__cta-wrap {
  display: flex;
}

.gv-header__cta {
  font-size: 0.75rem;
  padding-inline: 1.4rem;
  padding-block: 0.6rem;
}

/* Mobile menu toggle */
.gv-header__menu-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(244, 240, 232, 0.22);
  background: rgba(7, 8, 12, 0.9);
  color: var(--color-text);
}

.gv-header__menu-toggle-text {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.gv-header__menu-toggle-icon {
  width: 18px;
  height: 14px;
  position: relative;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
}

.gv-header__menu-toggle-icon span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), translate var(--transition-base);
}

.gv-header__menu-toggle[aria-expanded="true"] .gv-header__menu-toggle-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.gv-header__menu-toggle[aria-expanded="true"] .gv-header__menu-toggle-icon span:nth-child(2) {
  opacity: 0;
}

.gv-header__menu-toggle[aria-expanded="true"] .gv-header__menu-toggle-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Backdrop for mobile nav */
.gv-header__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 30;
}

.gv-header__backdrop--visible {
  display: block;
}

/* Responsive behaviour */
@media (max-width: 960px) {
  .gv-header__inner {
    padding-block: var(--space-3);
  }

  .gv-header__menu-toggle {
    display: inline-flex;
    z-index: 1111;
  }

  .gv-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 0;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-5);
    padding: var(--space-16) var(--space-4) var(--space-6);
    background: radial-gradient(circle at top, rgba(212, 175, 55, 0.16), transparent 55%), #020106;
    box-shadow: var(--shadow-elevated);
    transition: transform var(--transition-base), opacity var(--transition-base);
    z-index: 35;
  }

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

  .gv-header__nav-link {
    font-size: 0.95rem;
  }

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

  .gv-header__cta-wrap {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .gv-header__site-subtitle {
    display: none;
  }

  .gv-header__site-title {
    font-size: 1rem;
  }

  .gv-header__logo-mark {
    width: 34px;
    height: 34px;
  }
}