.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background-color:var(--bg);border-bottom:1px solid var(--line);z-index:1200;padding:0 var(--gutter)}@media screen and (max-width:820px){.site-header{padding:0 28px}}@media screen and (max-width:560px){.site-header{padding:0 20px}}.site-header-inner{max-width:var(--maxw);height:100%;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:baseline;gap:12px;text-align:left;min-width:0}.brand-name{font-family:var(--font-mono-semibold);font-size:15px;letter-spacing:-.01em;color:var(--fg);white-space:nowrap}.brand-role{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-dim);white-space:nowrap}@media screen and (max-width:1024px){.brand-role{display:none}}.site-nav{display:flex;align-items:center;gap:28px}@media screen and (max-width:820px){.site-nav{display:none}}.site-nav-link{position:relative;font-family:var(--font-mono-medium);font-size:13px;letter-spacing:.04em;color:var(--fg-dim);padding:4px 0 5px;transition:color .18s ease}.site-nav-link:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform .26s ease}.site-nav-link.is-active,.site-nav-link:hover{color:var(--fg)}.site-nav-link.is-active:after{transform:scaleX(1)}.site-nav-link--cv{padding:7px 14px;border:1px solid var(--line-strong);color:var(--fg-muted);transition:border-color .18s ease,color .18s ease}.site-nav-link--cv:after{display:none}.site-nav-link--cv:hover{border-color:var(--accent);color:var(--accent)}.header-mobile-actions{display:none}@media screen and (max-width:820px){.header-mobile-actions{display:flex;align-items:center;gap:14px}}.hamburger{display:none}@media screen and (max-width:820px){.hamburger{display:flex;flex-direction:column;justify-content:center;align-items:flex-end;gap:7px;width:30px;height:30px;padding:0;position:relative;z-index:1300}}.hamburger-line{display:block;width:26px;height:1px;background:var(--fg);transition:transform .28s ease,width .28s ease}.hamburger--open .hamburger-line:first-child{transform:translateY(4px) rotate(45deg)}.hamburger--open .hamburger-line:nth-child(2){transform:translateY(-4px) rotate(-45deg)}.fs-overlay{position:fixed;inset:0;z-index:1100;background:var(--bg);display:flex;flex-direction:column;padding:calc(var(--header-h) + 32px) 28px 40px;opacity:0;transition:opacity .22s ease}@media screen and (max-width:560px){.fs-overlay{padding:calc(var(--header-h) + 24px) 20px 32px}}.fs-overlay--open{opacity:1}.fs-top{padding-bottom:20px}.fs-top-label{font-family:var(--font-mono-medium);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-dim)}.fs-nav{flex:1;display:flex;flex-direction:column;border-top:1px solid var(--line)}.fs-nav-item{display:flex;align-items:baseline;gap:16px;width:100%;padding:22px 0;border-bottom:1px solid var(--line);text-align:left;color:var(--fg);opacity:0;transform:translateY(10px);transition:opacity .28s ease,transform .28s ease,color .18s ease}.fs-overlay--open .fs-nav-item{opacity:1;transform:translateY(0)}.fs-nav-item.is-active .fs-nav-label{color:var(--accent)}.fs-nav-index{font-family:var(--font-mono-medium);font-size:11px;letter-spacing:.12em;color:var(--fg-dim)}.fs-nav-label{font-family:var(--font-mono-semibold);font-size:30px;line-height:1;letter-spacing:-.02em;color:var(--fg);transition:color .18s ease}.fs-nav-ext{margin-left:auto;color:var(--fg-dim);align-self:center}.fs-footer{display:flex;gap:10px;padding-top:28px}.fs-social{width:42px;height:42px;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:var(--fg-muted);transition:border-color .18s ease,color .18s ease}.fs-social:hover{border-color:var(--accent);color:var(--accent)}