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var(--border);justify-content:space-between;align-items:center;min-height:80px;display:flex}.site-name{letter-spacing:-.02em;font-weight:700}.header-actions{align-items:center;gap:24px;display:flex}.theme-toggle{width:38px;height:38px;color:var(--muted);background:var(--surface);border:1px solid var(--border);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;padding:0;transition:color .15s,background-color .15s,border-color .15s,transform .15s;display:inline-flex}.theme-toggle:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px)}.theme-toggle:focus-visible{outline-offset:3px;outline:3px solid #5082d24d}.sun-icon{display:none}.moon-icon,html[data-theme=dark] .sun-icon{display:block}html[data-theme=dark] .moon-icon{display:none}nav{gap:28px;display:flex}.contact-links{flex-wrap:wrap;gap:12px;margin:24px 0 50px;display:flex}.contact-button{color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:7px;align-items:center;gap:9px;padding:10px 15px;font-size:.95rem;font-weight:600;transition:color .15s,border-color .15s,transform .15s,box-shadow .15s;display:inline-flex}.contact-button:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px);box-shadow:0 6px 18px #17203314}.contact-button:focus-visible{outline-offset:3px;outline:3px solid #2458a640}.cv-icon{color:currentColor;letter-spacing:-.04em;justify-content:center;align-items:center;width:24px;height:24px;font-size:.76rem;font-weight:800;line-height:1;display:inline-flex}.orcid-icon{flex-shrink:0;width:24px;height:24px;display:block}.github-icon{object-fit:contain;flex-shrink:0;width:22px;height:22px;display:block}html[data-theme=dark] .github-icon{filter:invert()}.hero{grid-template-columns:minmax(0,1fr) clamp(320px,32vw,380px);align-items:center;gap:clamp(40px,6vw,65px);padding:110px 0 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