:root{--bg:#07172f;--bg2:#0c315f;--accent:#1d7cff;--accent2:#69d2ff;--soft:#f3f7fc;--ink:#10213a;--muted:#68778b;--line:#e1e9f2}.theme-ocean{--bg:#06162d;--bg2:#0c3c70;--accent:#1677ff;--accent2:#66d4ff}.theme-emerald{--bg:#042f2e;--bg2:#065f46;--accent:#10b981;--accent2:#6ee7b7}.theme-royal{--bg:#172554;--bg2:#3730a3;--accent:#4f46e5;--accent2:#a5b4fc}.theme-sunset{--bg:#351526;--bg2:#9a3412;--accent:#f97316;--accent2:#fdba74}.theme-violet{--bg:#2e1065;--bg2:#701a75;--accent:#c026d3;--accent2:#f0abfc}.theme-graphite{--bg:#111827;--bg2:#334155;--accent:#0ea5e9;--accent2:#7dd3fc}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:82px}body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;background:#fff}a{text-decoration:none}.site-header{background:color-mix(in srgb,var(--bg) 96%,transparent);border-bottom:1px solid 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