.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

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

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.site-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fbe9e9 0, #fbe9e9 35%, var(--color-primary) 36%, var(--color-primary-dark) 100%);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.site-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-header__brand-name {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-900);
}

.site-header__brand-tagline {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gray-500);
}

/* Navigation */

.site-header__nav {
  display: flex;
}

.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);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gray-800);
  padding: 0.25rem 0;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-normal);
}

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

.site-header__nav-link--cta {
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-round);
  border: 1px solid rgba(139, 31, 43, 0.2);
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-xs);
}

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

.site-header__nav-link--cta:hover {
  background-color: var(--color-primary-dark);
}

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

/* Mobile Toggle */

.site-header__toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-round);
  border: 1px solid var(--color-gray-300);
  background-color: var(--color-surface);
  cursor: pointer;
}

.site-header__toggle-label {
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-700);
}

.site-header__toggle-icon {
  position: relative;
  width: 20px;
  height: 14px;
}

.site-header__toggle-icon::before,
.site-header__toggle-icon::after,
.site-header__toggle-icon span {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-gray-900);
  transition: transform var(--transition-normal), opacity var(--transition-normal), top var(--transition-normal), bottom var(--transition-normal);
}

.site-header__toggle-icon::before {
  top: 0;
}

.site-header__toggle-icon::after {
  bottom: 0;
}

/* Open state transforms handled with a modifier class on header */

.site-header--menu-open .site-header__toggle-icon::before {
  top: 6px;
  transform: rotate(45deg);
}

.site-header--menu-open .site-header__toggle-icon::after {
  bottom: 6px;
  transform: rotate(-45deg);
}

/* Responsive */

@media (max-width: 768px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

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

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: var(--color-surface);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
  }

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

  .site-header__nav-link--cta {
    justify-content: center;
    text-align: center;
  }

  .site-header--menu-open .site-header__nav {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
  }
}

@media (max-width: 480px) {
  .site-header__brand-name {
    font-size: var(--font-size-md);
  }

  .site-header__brand-tagline {
    display: none;
  }
}