/* Header layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border-subtle);
  backdrop-filter: blur(14px);
}

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

/* Branding */
.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: 36px;
  height: 36px;
  border-radius: 12px;
  background: radial-gradient(circle at 20% 20%, var(--color-accent-gold) 0, #b08b4c 32%, var(--color-primary) 100%);
  box-shadow: var(--shadow-md);
}

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

.site-header__brand-name {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
}

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

/* Navigation */
.site-header__nav {
  display: flex;
  align-items: center;
}

.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);
  font-weight: 500;
  color: var(--color-text);
  padding-block: 0.25rem;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-gold);
  transition: width var(--transition-normal);
}

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
  width: 100%;
}

.site-header__nav-item--cta .site-header__nav-link--button {
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--color-primary) 0%, #071422 100%);
  color: #ffffff;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.site-header__nav-item--cta .site-header__nav-link--button:hover {
  background: linear-gradient(135deg, var(--color-primary-soft) 0%, #071422 100%);
}

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

/* Mobile toggle */
.site-header__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.8);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

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

.site-header__toggle-bar + .site-header__toggle-bar {
  margin-top: 4px;
}

/* Toggle open state */
.site-header__toggle--open .site-header__toggle-bar:first-child {
  transform: rotate(45deg);
  top: 3px;
}

.site-header__toggle--open .site-header__toggle-bar:last-child {
  transform: rotate(-45deg);
  bottom: 3px;
}

/* Responsive behavior */
@media (max-width: 768px) {
  .site-header__inner {
    padding-block: var(--space-2);
  }

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

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: var(--space-16);
    background: rgba(245, 243, 239, 0.98);
    border-top: 1px solid var(--color-border-subtle);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-fast);
  }

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

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

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

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

  .site-header__nav-item--cta .site-header__nav-link--button {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}

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

@media (min-width: 769px) {
  .site-header__nav {
    position: static;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
  }
}