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var(--line);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:.65rem;font-weight:900;letter-spacing:-.04em}.brand-chip{width:13px;height:13px;background:var(--accent);border:2px solid var(--ink);box-shadow:4px 4px 0 var(--ink)}.site-header nav,.site-footer nav{display:flex;gap:1.5rem;font-weight:650;font-size:.92rem}.site-header nav a:hover,.site-footer a:hover{text-decoration:underline;text-underline-offset:4px}.topic-label{justify-self:end;font:700 .72rem/1.2 ui-monospace,monospace;text-transform:uppercase;letter-spacing:.09em}.hero{min-height:620px;padding:clamp(64px,9vw,130px) clamp(24px,8vw,124px);border-bottom:1px solid var(--line);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:38vw;aspect-ratio:1;right:-8vw;top:8%;border:1px solid var(--ink);border-radius:50%;box-shadow:0 0 0 34px var(--accent),0 0 0 35px var(--ink);opacity:.18}.hero-kicker{display:flex;justify-content:space-between;max-width:900px;text-transform:uppercase;font:700 .72rem/1.4 ui-monospace,monospace;letter-spacing:.08em}.hero h1{position:relative;z-index:1;max-width:1050px;margin:2.5rem 0 1.5rem;font-size:clamp(3.5rem,8vw,8.5rem);line-height:.9;letter-spacing:-.075em}.hero>p{max-width:690px;font-size:clamp(1.05rem,2vw,1.35rem)}.hero-actions{display:flex;gap:1.5rem;align-items:center;margin-top:2.25rem;font-weight:800}.primary{padding:.85rem 1rem;background:var(--ink);color:var(--paper);border:2px solid var(--ink);box-shadow:6px 6px 0 var(--accent)}.hero-index{position:absolute;right:5vw;bottom:2rem;display:grid;grid-template-columns:auto minmax(180px,300px) auto;gap:1rem;align-items:center;font-size:.78rem}.hero-index span{font-family:ui-monospace,monospace}.calculator{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(420px,1.2fr);gap:clamp(40px,8vw,120px);padding:clamp(64px,8vw,110px) 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