.site-header{position:sticky;top:0;z-index:40;background:rgba(250,247,243,0.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(208,198,188,0.9)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-4);padding-bottom:var(--space-4);gap:var(--space-6)}.brand{display:flex;align-items:center;gap:var(--space-3)}.brand-mark{width:26px;height:26px;border-radius:8px;border:1px solid rgba(184,138,59,0.7);background:radial-gradient(circle at 30% 20%,rgba(255,255,255,0.9),rgba(209,178,130,0.95));box-shadow:0 8px 16px rgba(0,0,0,0.18);display:flex;align-items:center;justify-content:center;font-size:12px;font-family:var(--font-mono);color:var(--color-espresso)}.brand-text{display:flex;flex-direction:column;line-height:1}.brand-name{font-family:var(--font-display);font-size:var(--font-size-lg);letter-spacing:0.06em;text-transform:uppercase;color:var(--color-espresso)}.brand-tagline{font-size:0.6rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--color-muted)}.header-right{display:flex;align-items:center;gap:var(--space-6)}.primary-nav{display:flex;align-items:center;gap:var(--space-6)}.nav-wrapper{display:flex}.nav-list{display:flex;align-items:center;gap:var(--space-6);list-style:none}.nav-item{display:flex;align-items:center}.nav-link{position:relative;padding-bottom:2px;color:var(--color-muted);letter-spacing:0.08em;text-transform:uppercase;font-size:0.7rem}.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:linear-gradient(90deg,var(--color-brass-soft),var(--color-burnt-soft));transform-origin:left;transform:scaleX(0);transition:transform var(--transition-base)}.nav-link:hover{color:var(--color-espresso-soft)}.nav-link:hover::after{transform:scaleX(1)}.nav-cta-item .btn-header{padding-inline:1.1rem;font-size:0.7rem;letter-spacing:0.12em;text-transform:uppercase}.btn-header{background-color:var(--color-espresso);color:#fff;border-radius:var(--radius-pill);border:1px solid transparent;box-shadow:var(--shadow-subtle);transition:background-color var(--transition-base),box-shadow var(--transition-base),transform var(--transition-fast)}.btn-header:hover{background-color:var(--color-espresso-soft);box-shadow:var(--shadow-medium);transform:translateY(-1px)}.btn-header:active{transform:translateY(0);box-shadow:var(--shadow-subtle)}.header-meta{display:flex;align-items:center}.badge-lang{display:inline-flex;align-items:center;gap:var(--space-2);padding:0.1rem 0.6rem;border-radius:999px;border:1px solid rgba(208,198,188,0.9);font-size:0.6rem;text-transform:uppercase;letter-spacing:0.16em;color:var(--color-muted);background:rgba(250,247,243,0.9)}.badge-lang-dot{width:6px;height:6px;border-radius:999px;background:var(--color-brass-soft)}.nav-toggle{display:none;align-items:center;gap:var(--space-2);border-radius:999px;border:1px solid var(--color-border-strong);padding:0.3rem 0.7rem;background:rgba(250,247,243,0.9);box-shadow:var(--shadow-subtle);color:var(--color-espresso-soft);font-size:0.7rem;letter-spacing:0.12em;text-transform:uppercase}.nav-toggle-box{display:flex;flex-direction:column;justify-content:center;gap:4px}.nav-toggle-line{width:18px;height:1.5px;border-radius:999px;background-color:var(--color-espresso-soft);transition:transform var(--transition-base),opacity var(--transition-base),background-color var(--transition-base)}.nav-toggle-label{display:inline-block}.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1){transform:translateY(2.5px) rotate(45deg)}.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2){transform:translateY(-2.5px) rotate(-45deg)}.nav-toggle[aria-expanded="true"]{background:var(--color-espresso);color:#fff;border-color:var(--color-espresso-soft)}.nav-toggle[aria-expanded="true"] .nav-toggle-line{background-color:#fff}.nav-toggle:focus-visible{outline:none;box-shadow:var(--shadow-outline)}.nav-wrapper.is-open{display:block}@media (max-width:768px){.header-inner{padding-top:var(--space-3);padding-bottom:var(--space-3)}.primary-nav{align-items:flex-start}.nav-toggle{display:inline-flex}.nav-wrapper{position:absolute;inset-inline:0;top:100%;background:rgba(250,247,243,0.98);border-bottom:1px solid rgba(208,198,188,0.9);box-shadow:0 14px 35px rgba(27,19,13,0.14);display:none}.nav-list{flex-direction:column;align-items:stretch;padding:var(--space-5) var(--space-6);gap:var(--space-4)}.nav-item{justify-content:space-between}.nav-link{font-size:0.8rem}.nav-cta-item .btn-header{width:100%;justify-content:center;margin-top:var(--space-2)}.header-right{gap:var(--space-3)}.header-meta{display:none}}@media (max-width:480px){.brand-name{font-size:var(--font-size-md)}.brand-tagline{display:none}}