:root{color-scheme:light dark;--color-primary:#3182ce;--color-primary-strong:#2b6cb0;--color-primary-soft:#ebf4fc;--color-success:#38a169;--color-success-strong:#276749;--color-success-soft:#e9f7ef;--color-text:#1a202c;--color-text-muted:#475569;--color-surface:#f1f5f9;--color-border:#e2e8f0;--color-bg:#fff;--color-card:#fff;--color-on-primary:#fff;--color-band:#16325c;--color-on-band:#fff;--color-on-band-muted:#cbd5e1;--shadow-card:0 1px 2px #0f172a0a, 0 4px 16px #0f172a0f;--shadow-raised:0 2px 4px #0f172a0f, 0 18px 48px #0f172a24;--font-sans:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--radius:10px;--radius-lg:14px;--container:1180px;--gutter:clamp(16px, 4vw, 32px);--section-y:clamp(64px, 9vw, 112px);--header-h:64px}@media (prefers-color-scheme:dark){:root{--color-primary:#63b3ed;--color-primary-strong:#90cdf4;--color-primary-soft:#172a45;--color-success:#68d391;--color-success-strong:#9ae6b4;--color-success-soft:#14322a;--color-text:#e2e8f0;--color-text-muted:#a0aec0;--color-surface:#111a2e;--color-border:#2a3a55;--color-bg:#0b1222;--color-card:#16213a;--color-on-primary:#0b1222;--color-band:#16325c;--color-on-band:#fff;--color-on-band-muted:#cbd5e1;--shadow-card:0 1px 2px #0000004d;--shadow-raised:0 18px 48px #00000073}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;overflow-wrap:break-word;margin:0;font-size:1.0625rem;line-height:1.5}h1,h2,h3{letter-spacing:-.015em;text-wrap:balance;margin:0;font-weight:700;line-height:1.2}h1{letter-spacing:-.025em;font-size:clamp(2rem,1.35rem + 2.6vw,3.25rem)}h2{font-size:clamp(1.625rem,1.25rem + 1.5vw,2.375rem)}h3{font-size:1.125rem;font-weight:600}p{margin:0}img,svg{max-width:100%;display:block}img{height:auto}a{color:var(--color-primary-strong);text-underline-offset:.18em}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--color-primary);outline-offset:3px;border-radius:4px}ul,ol{margin:0;padding:0}.sr-only{clip:rect(0, 0, 0, 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#000)}.btn-secondary{background:var(--color-card);border-color:var(--color-border);color:var(--color-text)}.btn-secondary:hover{border-color:var(--color-primary)}.btn-sm{min-height:40px;padding:8px 16px;font-size:.9375rem}.btn .icon{width:18px;height:18px}.site-header{z-index:50;background:color-mix(in srgb, var(--color-bg) 92%, transparent);border-bottom:1px solid var(--color-border);-webkit-backdrop-filter:saturate(1.4)blur(10px);position:sticky;top:0}.header-inner{min-height:var(--header-h);justify-content:space-between;align-items:center;gap:16px;display:flex}.logo{color:var(--color-text);letter-spacing:-.01em;white-space:nowrap;align-items:center;gap:10px;font-size:1.125rem;font-weight:700;text-decoration:none;display:inline-flex}.logo:hover{text-decoration:none}.logo-mark{flex:none}.logo-tld{color:var(--color-text-muted);font-weight:600}.nav-desktop{display:none}.nav-desktop ul{gap:4px;list-style:none;display:flex}.nav-desktop a,.nav-mobile-panel a:not(.btn){color:var(--color-text-muted);border-radius:8px;padding:8px 12px;font-weight:500;text-decoration:none;display:block}.nav-desktop a:hover,.nav-mobile-panel a:not(.btn):hover{color:var(--color-text);background:var(--color-surface)}.header-cta{display:none}.nav-mobile{position:relative}.nav-mobile>summary{border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;align-items:center;gap:6px;min-height:44px;padding:8px 12px;font-weight:600;list-style:none;display:inline-flex}.nav-mobile>summary::-webkit-details-marker{display:none}.nav-mobile .icon-close,.nav-mobile[open] .icon-open{display:none}.nav-mobile[open] .icon-close{display:block}.nav-mobile-panel{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:min(280px,100vw - 32px);box-shadow:var(--shadow-raised);padding:8px;position:absolute;top:calc(100% + 10px);right:0}.nav-mobile-panel ul{margin-bottom:8px;list-style:none}.nav-mobile-panel 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a{color:var(--color-text-muted)}.footer-links a:hover{color:var(--color-text)}.footer-legal{font-size:.875rem}@media (width>=900px){.footer-inner{grid-template-columns:auto 1fr auto;align-items:center;gap:32px}.footer-links{justify-content:center}}.prose{max-width:72ch;padding-block:clamp(40px,7vw,80px)}.prose h1{font-size:clamp(1.875rem,1.4rem + 2vw,2.5rem)}.prose h2{margin-top:40px;font-size:1.375rem}.prose p,.prose ul{margin-top:14px}.prose ul{padding-left:1.25em}.prose li+li{margin-top:6px}.prose .lead{color:var(--color-text-muted);margin-top:16px;font-size:1.125rem}.not-found{text-align:center;place-items:center;min-height:60vh;display:grid}.not-found .code{color:var(--color-primary-strong);letter-spacing:.08em;font-size:1rem;font-weight:700}.not-found p{color:var(--color-text-muted);margin-top:12px}.not-found .btn{margin-top:28px}@media 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