.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header__inner {
  height: 72px;
}

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

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

.site-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(229, 181, 103, 0.65);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 20%, rgba(229, 181, 103, 0.55), transparent 60%),
              #05060b;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.7);
}

.site-header__logo-icon {
  color: var(--color-primary-strong);
  font-size: 0.95rem;
}

.site-header__text {
  display: flex;
  flex-direction: column;
}

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

.site-header__subtitle {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Navigation */

.site-header__nav {
  display: flex;
}

.site-header__nav-list {
  align-items: center;
}

.site-header__nav-item--cta .site-header__cta {
  padding-inline: 1.2rem;
  padding-block: 0.35rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(229, 181, 103, 0.85);
  color: var(--color-primary-strong);
}

.site-header__nav-item--cta .site-header__cta:hover {
  background-color: var(--color-primary-soft);
}

/* Mobile toggle */

.site-header__toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 32px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 9, 16, 0.9);
  align-items: center;
  justify-content: center;
  padding: 0;
}

.site-header__toggle-bar {
  position: absolute;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.site-header__toggle-bar:first-child {
  top: 11px;
}

.site-header__toggle-bar:last-child {
  bottom: 11px;
}

.site-header__toggle.is-open .site-header__toggle-bar:first-child {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.site-header__toggle.is-open .site-header__toggle-bar:last-child {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

/* Responsive navigation behaviour */

@media (max-width: 768px) {
  .site-header__inner {
    height: 64px;
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    background: rgba(7, 9, 16, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .site-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .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-item--cta {
    width: 100%;
  }

  .site-header__nav-item--cta .site-header__cta {
    display: inline-flex;
    width: 100%;
    justify-content: center;
    padding-block: 0.7rem;
  }
}

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

/* Utility class for preventing body scroll when menu open */

.body--nav-open {
  overflow: hidden;
}