.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 6, 9, 0.96), rgba(5, 6, 9, 0.85));
  border-bottom: 1px solid rgba(212, 175, 55, 0.16);
}

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

.site-header__branding {
  display: flex;
  align-items: center;
}

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

.site-header__logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #f6e7b3 0, #d4af37 38%, #79440e 70%, #050609 100%);
  box-shadow: var(--shadow-glow-gold);
  position: relative;
}

.site-header__logo-mark::before,
.site-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 25%;
  border-radius: 50%;
  border: 1px solid rgba(5, 6, 9, 0.7);
}

.site-header__logo-mark::after {
  inset: 40%;
  border-color: rgba(5, 6, 9, 0.9);
}

.site-header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.site-header__logo-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-header__logo-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.4rem 0;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0), rgba(212, 175, 55, 0.9), rgba(212, 175, 55, 0));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  opacity: 0;
}

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

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

.site-header__cta-wrap {
  display: flex;
  align-items: center;
}

.site-header__cta {
  white-space: nowrap;
}

.site-header__menu-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(5, 6, 9, 0.8);
  color: var(--color-text);
}

.site-header__menu-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

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

.site-header__menu-toggle-text {
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-header--menu-open .site-header__menu-toggle-line:first-child {
  transform: translateY(3px) rotate(42deg);
}

.site-header--menu-open .site-header__menu-toggle-line:last-child {
  transform: translateY(-3px) rotate(-42deg);
}

.site-header--menu-open .site-header__menu-toggle-line {
  background: var(--color-primary);
}

@media (max-width: 900px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-header__menu-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    margin-top: 2px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    background: radial-gradient(circle at top, rgba(212, 175, 55, 0.16), #050609 70%);
    border-bottom: 1px solid rgba(212, 175, 55, 0.24);
    box-shadow: var(--shadow-strong);
  }

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

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

  .site-header__cta-wrap {
    margin-top: var(--space-4);
  }

  .site-header--menu-open .site-header__nav {
    display: flex;
  }
}

@media (max-width: 520px) {
  .site-header__logo-subtitle {
    display: none;
  }
}