.site-header{position:sticky;top:0;z-index:40;background:rgba(253,251,247,0.96);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--color-border-subtle)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:4.25rem;padding-top:var(--space-4);padding-bottom:var(--space-4);gap:var(--space-6)}.header-branding{display:flex;align-items:center;min-width:0}.header-logo{display:inline-flex;align-items:center;gap:var(--space-3);padding:0.25rem 0;border-radius:var(--radius-lg)}.header-logo:focus-visible{box-shadow:var(--shadow-outline)}.header-logo-mark{width:2.35rem;height:2.35rem;border-radius:1.1rem;background:radial-gradient(circle at 20% 0,#fdfbf7 0,#d4af37 35%,#8a6b19 100%);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-weight:600;font-size:1.3rem;color:#241b0f;box-shadow:0 10px 30px rgba(0,0,0,0.15);border:1px solid rgba(133,96,19,0.4)}.header-logo-text{display:flex;flex-direction:column;gap:0.05rem;white-space:nowrap}.header-logo-title{font-family:var(--font-serif);font-size:1.3rem;letter-spacing:0.16em;text-transform:uppercase}.header-logo-subtitle{font-family:var(--font-sans);font-size:0.7rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--color-neutral-500)}.header-nav{display:flex;align-items:center}.nav-list{display:flex;align-items:center;gap:var(--space-6)}.nav-item-highlight .nav-link{padding-inline:1.2rem}.nav-link{position:relative;display:inline-flex;align-items:center;justify-content:center;font-size:0.8rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--color-neutral-700);padding:0.35rem 0;border-radius:999px}.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-0.1rem;height:1px;background:linear-gradient(90deg,transparent,#d4af37,transparent);transform:scaleX(0);transform-origin:center;transition:transform var(--transition-normal)}.nav-link:hover::after{transform:scaleX(1)}.nav-link:hover{color:var(--color-text)}.nav-link-cta{padding:0.45rem 1.15rem;border-radius:999px;border:1px solid rgba(212,175,55,0.7);background:rgba(246,237,210,0.75);box-shadow:0 8px 22px rgba(0,0,0,0.08);color:#4a3a18}.nav-link-cta:hover{background:rgba(246,237,210,1);color:#241b0f}.nav-toggle{display:none;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border-radius:999px;border:1px solid var(--color-border-subtle);background:rgba(248,246,240,0.9);box-shadow:0 8px 18px rgba(0,0,0,0.05);cursor:pointer;padding:0;transition:background-color var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-normal),transform var(--transition-fast)}.nav-toggle-bar{width:1.25rem;height:2px;border-radius:999px;background-color:var(--color-neutral-700);transition:transform var(--transition-normal),opacity var(--transition-normal),background-color var(--transition-normal)}.nav-toggle[aria-expanded="true"]{background:#1c1917;border-color:#332b24;box-shadow:0 12px 28px rgba(0,0,0,0.22)}.nav-toggle[aria-expanded="true"] .nav-toggle-bar{background-color:#fdfbf7}.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(5px) rotate(40deg)}.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-5px) rotate(-40deg)}@media (max-width: 960px){.nav-toggle{display:flex}.header-nav{position:absolute;inset:4.25rem var(--space-4) auto var(--space-4);max-width:calc(var(--layout-max-width) - var(--space-8));margin:0 auto;pointer-events:none;opacity:0;transform:translateY(-8px);transition:opacity var(--transition-normal),transform var(--transition-normal)}.header-inner{position:relative}.nav-list{flex-direction:column;align-items:flex-start;padding:var(--space-5);gap:var(--space-4);background:var(--color-surface);border-radius:var(--radius-xl);border:1px solid var(--color-border-subtle);box-shadow:var(--shadow-soft-lg)}.nav-item-highlight .nav-link{align-self:stretch;justify-content:center;width:100%}.header-nav.is-open{pointer-events:auto;opacity:1;transform:translateY(0)}.header-nav::before{content:"";position:fixed;inset:0;background:rgba(15,10,5,0.28);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);z-index:-1}}@media (max-width: 640px){.header-logo-subtitle{display:none}.header-inner{gap:var(--space-4)}.header-logo-mark{width:2.1rem;height:2.1rem;font-size:1.1rem}.header-logo-title{font-size:1.1rem}}@media (prefers-reduced-motion: reduce){.nav-toggle,.header-nav{transition:none}}

/* checklist: hamburger X */
.nav-toggle {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 960px) {
  .nav-list {
    width: 100%;
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .nav-item {
    width: 100%;
  }
  .nav-link {
    justify-content: flex-start;
    min-height: 44px;
    width: 100%;
  }
  .header-nav::before {
    background: rgba(15, 10, 5, 0.55);
  }
}