.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-header__logo img {
  height: 3.75rem;
  width: auto;
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
}
@media (min-width: 1280px) {
  .site-nav { display: flex; }
}
.site-nav a { padding-block: 0.25rem; transition: color 0.15s ease; }
.site-nav a:hover { color: var(--color-primary); }
.site-nav a[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 700;
  border-bottom: 2px solid var(--color-primary);
}

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

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem; /* ~44px comfortable touch target, not just the 24px WCAG minimum */
  padding: 0.6rem 1rem;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-surface);
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: var(--shadow-sm);
}
.btn-whatsapp:hover { background: var(--color-primary-hover); }
.btn-whatsapp__label { display: none; }
@media (min-width: 768px) {
  .btn-whatsapp__label { display: inline; }
}

.icon-btn {
  width: 2.75rem; /* ~44px comfortable touch target, not just the 24px WCAG minimum */
  height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-subtle);
  border: 1px solid var(--color-border);
}
.icon-btn:hover { color: var(--color-primary); }

.nav-toggle {
  width: 2.75rem; /* ~44px comfortable touch target, not just the 24px WCAG minimum */
  height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  /* The glyph is the brand's two spring rolls (#icon-rolls), filled via
     currentColor with the logo's gold (an owner choice). Note: gold on
     white is only ~2:1 contrast, below the 3:1 usually advised for button
     icons; the button's label (aria-label) and border still identify it. */
  color: var(--color-gold);
}
.nav-toggle .icon { width: 2rem; height: 2rem; }
.nav-toggle:hover { color: var(--color-gold-hover); }
@media (min-width: 1280px) {
  .nav-toggle { display: none; }
}

.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(17, 17, 17, 0.4);
  display: none;
}
.nav-drawer[data-open="true"] { display: block; }

.nav-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(20rem, 85vw);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.nav-drawer__header {
  display: flex;
  justify-content: flex-end;
}

.nav-drawer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.125rem;
}
.nav-drawer__links a[aria-current="page"] { color: var(--color-primary); }

@media (min-width: 1280px) {
  .nav-drawer { display: none !important; }
}