.site-header{--header-surface: rgb(255 255 255 / 94%);--header-border: rgb(228 228 231 / 90%);--header-text: #52525b;--header-strong: #18181b;--header-accent: #6d28d9;--header-active: #f1ebff;--header-hover: #f4f4f5;position:sticky;top:0;z-index:40;padding:14px 20px 8px}.dark .site-header{--header-surface: rgb(18 18 21 / 94%);--header-border: rgb(255 255 255 / 12%);--header-text: #d4d4d8;--header-strong: #fafafa;--header-accent: #c4b5fd;--header-active: #2e2148;--header-hover: #27272a}.header-shell{position:relative;max-width:72rem;margin-inline:auto}.header-row,.header-panel{border:1px solid var(--header-border);background:var(--header-surface);box-shadow:0 8px 30px #18181b0d;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.header-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:72px;padding:10px 20px;border-radius:20px}.header-brand{display:inline-flex;flex-shrink:0;align-items:center;gap:6px;min-height:44px;color:var(--header-strong);border-radius:10px}.header-brand-mark,.header-brand-mark svg{display:block}.header-brand-name{font-size:14px;font-weight:500;letter-spacing:-.035em;white-space:nowrap}.header-brand-name strong{font-weight:800}.header-brand-dot{color:var(--header-accent)}.header-primary{display:none;align-items:center;justify-content:center;gap:2px}.header-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 12px;border-radius:12px;color:var(--header-text);font-size:13px;font-weight:600;white-space:nowrap;transition:background .15s ease,color .15s ease}.header-link:hover,.header-mobile-link:hover{background:var(--header-hover);color:var(--header-strong)}.header-link[aria-current=page],.header-mobile-link[aria-current=page]{background:var(--header-active);color:var(--header-accent)}.header-actions{display:flex;flex-shrink:0;align-items:center;gap:6px}.site-header .header-control{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--header-text);transition:background .15s ease,color .15s ease}.site-header .header-control:hover,.site-header .header-control[aria-expanded=true]{background:var(--header-hover);color:var(--header-strong)}.header-contact{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 16px;border:1px solid transparent;border-radius:12px;background:#6d28d9;color:#fff;font-size:13px;font-weight:700;transition:background .15s ease,box-shadow .15s ease}.header-contact:hover{background:#5b21b6}.header-contact[aria-current=page]{box-shadow:0 0 0 3px #7c3aed33}.dark .header-contact{background:#a78bfa;color:#18112e}.dark .header-contact:hover{background:#c4b5fd}.header-panel{position:absolute;top:calc(100% + 10px);inset-inline:0;max-height:calc(100vh - 116px);max-height:calc(100dvh - 116px);overflow-y:auto;overscroll-behavior:contain;border-radius:20px}.header-mobile-links{display:grid;gap:4px;margin:0;padding:10px;list-style:none}.header-mobile-link{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;padding:12px 14px;border-radius:12px;color:var(--header-text);font-size:15px;font-weight:600}.header-mobile-link>span{opacity:.5}@media(min-width:64rem){.header-row{display:grid;grid-template-columns:auto 1fr auto;gap:20px;padding-inline:28px}.header-primary{display:flex}.site-header .header-menu-toggle,.header-panel{display:none}}@media(max-width:639px){.site-header{padding:10px 12px 6px}.header-row{min-height:68px;padding:8px 12px;border-radius:18px}.header-contact{gap:0;padding-inline:12px}.header-contact>svg{display:none}}@media(max-width:479px){.header-brand-name{display:none}}