.site-nav{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-1) var(--spacing-4);background:color-mix(in srgb,var(--color-bg) 82%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-line)}.site-nav__brand{font-weight:650;font-size:28px;text-decoration:none}.site-nav__links{display:flex;gap:var(--spacing-2)}.site-nav__links a{text-decoration:none;font-size:24px}.site-nav__links a[aria-disabled=true]{opacity:.5;cursor:default}.chapter{min-height:100vh;padding:calc(var(--spacing-7) + 56px) var(--spacing-4) var(--spacing-7);border-bottom:1px solid var(--color-line);display:flex;flex-direction:column;justify-content:center}.chapter--hero h1{font-size:var(--font-size-xl)}.hero{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:var(--spacing-3);align-items:center;width:100%;min-height:62vh}@media(max-width:991px){.hero{grid-template-columns:1fr;min-height:auto}}.hero__audit-lead{display:inline-block;margin-top:var(--spacing-2);color:var(--color-accent-3);text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--color-accent-3) 40%,transparent);transition:color .25s ease-out,border-color .25s ease-out}.hero__audit-lead:hover{color:var(--color-accent);border-color:var(--color-accent)}.code-card{position:relative;background:var(--color-surface);border:1px solid var(--color-line);border-radius:16px;box-shadow:0 16px 48px #1e1b1612;max-width:700px;margin-top:var(--spacing-2)}.code-card__bar{padding:10px 20px;border-bottom:1px solid var(--color-line);font-size:16px;color:var(--color-ink-soft)}.code-card pre{margin:0;padding:var(--spacing-2);font-size:16.5px;line-height:1.8;overflow-x:auto}.code-hl{color:var(--color-accent);font-weight:600}.code-card .cmt{color:var(--color-ink-soft)}.seal-badge{position:absolute;top:-24px;right:18px;display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 16px;border:1.5px dashed var(--color-accent);background:color-mix(in srgb,var(--color-bg) 78%,transparent);rotate:-3deg;pointer-events:none}.seal-badge__line{font-size:18px;font-weight:700;letter-spacing:2px;color:var(--color-accent)}.seal-badge__sub{font-size:12px;letter-spacing:3px;color:var(--color-ink-soft)}@media(max-width:991px){.seal-badge{top:-16px;right:8px;padding:8px 12px}.seal-badge__line{font-size:13px}}.code-card{box-shadow:0 18px 52px #00000080}.chapter h2{font-size:var(--font-size-l);max-width:18ch}.chapter__sub{margin-top:var(--spacing-2);max-width:44ch;font-size:18px;color:var(--color-ink-soft)}.chapter__sub span{display:block}.chapter__sub span+span{margin-top:.7em}.chapter__endpoint{margin-top:var(--spacing-2);font-size:15px;color:var(--color-accent)}.chapter__placeholder{margin-top:var(--spacing-2);max-width:52ch;color:var(--color-ink-soft)}.chapter__cta{margin-top:var(--spacing-2);display:flex;gap:var(--spacing-1);flex-wrap:wrap}.btn{display:inline-block;padding:12px 24px;border:1px solid var(--color-ink);border-radius:999px;text-decoration:none;transition:background .25s ease-out,border-color .25s ease-out,color .25s ease-out}.btn:hover{background:var(--color-ink);color:var(--color-bg)}.btn--primary{background:var(--color-accent);border-color:var(--color-accent);color:#fff}.btn--primary:hover{background:var(--color-ink);border-color:var(--color-ink)}.site-footer{margin-top:var(--spacing-6);padding-top:var(--spacing-3);border-top:1px solid var(--color-line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:var(--spacing-1);font-size:14px;color:var(--color-ink-soft)}.site-footer a{color:inherit}