.site-header{position:sticky;top:0;z-index:40;background:rgba(249,251,255,0.96);backdrop-filter:blur(18px);border-bottom:1px solid rgba(226,232,255,0.9)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-height);gap:var(--space-3)}.header-logo{display:inline-flex;align-items:center;gap:var(--space-3);color:var(--color-text)}.header-logo-mark{width:32px;height:32px;border-radius:12px;background:radial-gradient(circle at 30% 20%,#ffffff,transparent 60%),linear-gradient(135deg,#4b6bff,#9b6bff);box-shadow:0 8px 18px rgba(15,23,42,0.18);position:relative;overflow:hidden}.header-logo-mark::after{content:"";position:absolute;inset:24%;border-radius:8px;border:2px solid rgba(255,255,255,0.9)}.header-logo-text{display:flex;flex-direction:column;gap:2px}.header-logo-brand{font-family:var(--font-pixel);font-size:0.78rem;letter-spacing:0.08em;text-transform:uppercase}.header-logo-tagline{font-size:0.75rem;color:var(--gray-500)}.header-nav{display:flex;align-items:center;gap:var(--space-4)}.header-nav-list{display:flex;align-items:center;gap:var(--space-4);list-style:none;margin:0;padding:0;font-size:0.88rem;color:var(--gray-600)}.header-nav-link{position:relative;padding:0.2rem 0;display:inline-flex;align-items:center;gap:0.35rem;color:inherit}.header-nav-link::after{content:"";position:absolute;left:0;bottom:-0.28rem;width:0;height:2px;border-radius:999px;background:linear-gradient(90deg,#4b6bff,#9b6bff);transition:width var(--transition-normal)}.header-nav-link:hover{color:var(--color-text)}.header-nav-link:hover::after{width:100%}.header-nav-link[aria-current]{color:var(--color-text)}.header-nav-link[aria-current]::after{width:100%}.header-nav-cta{display:flex;align-items:center;gap:var(--space-2)}.header-cta-play{font-size:0.82rem;padding-inline:1rem}.header-cta-store{font-size:0.82rem;padding-inline:0.9rem;background:var(--gray-900);border-color:var(--gray-800)}.header-cta-store-icon{display:inline-flex;font-size:0.9rem}.header-cta-store-label{white-space:nowrap}.header-nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:999px;border:1px solid rgba(204,212,255,0.95);background:rgba(255,255,255,0.96);box-shadow:var(--shadow-sm);color:var(--gray-800)}.header-nav-toggle-box{position:relative;width:18px;height:14px;display:inline-flex;flex-direction:column;justify-content:space-between}.header-nav-toggle-line{height:2px;border-radius:999px;background:var(--gray-700);transform-origin:center;transition:transform var(--transition-normal),opacity var(--transition-fast),background var(--transition-normal)}.site-header.is-menu-open .header-nav-toggle-line:first-child{transform:translateY(6px) rotate(45deg)}.site-header.is-menu-open .header-nav-toggle-line:last-child{transform:translateY(-6px) rotate(-45deg)}.site-header.is-menu-open .header-nav-toggle-line:nth-child(2){opacity:0}.header-nav{position:relative}.header-nav-cta .btn{font-weight:600}.header-nav-cta .btn-secondary{background:var(--gradient-cta-secondary);color:#ffffff;border-color:rgba(75,107,255,0.7)}@media (max-width:959.98px){.header-nav{position:fixed;inset-inline:0;top:var(--header-height);background:rgba(249,251,255,0.98);backdrop-filter:blur(20px);border-bottom:1px solid rgba(226,232,255,0.9);transform:translateY(-120%);opacity:0;visibility:hidden;transition:transform var(--transition-normal),opacity var(--transition-normal),visibility var(--transition-normal);flex-direction:column;align-items:stretch;padding-block:var(--space-3)}.site-header.is-menu-open .header-nav{transform:translateY(0);opacity:1;visibility:visible}.header-nav-list{flex-direction:column;align-items:flex-start;padding-inline:var(--space-4)}.header-nav-item{width:100%}.header-nav-link{width:100%;padding-block:0.4rem}.header-nav-cta{padding-inline:var(--space-4);padding-top:var(--space-3);border-top:1px dashed rgba(214,222,255,0.9);justify-content:flex-start;flex-wrap:wrap}.header-nav-toggle{display:inline-flex}.header-nav-cta .btn{width:auto}.header-nav-cta .header-cta-play{flex:1 1 auto;text-align:center;justify-content:center}}@media (min-width:960px){.header-nav-toggle{display:none}.header-nav{position:static;transform:none!important;opacity:1!important;visibility:visible!important;background:transparent;border:none;padding:0}.header-nav-list{margin-right:var(--space-3)}}@media (max-width:480px){.header-logo-tagline{display:none}.header-cta-store-label{display:none}}