.site-header{background:var(--c-bg);border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:50;padding-top:env(safe-area-inset-top,0)}.header-row{display:flex;align-items:center;gap:1rem;height:64px;padding:0}.brand{display:inline-flex;align-items:center;height:100%;line-height:1;padding:0 .25rem}.brand-name,.brand-tld{display:inline-block;line-height:1}.brand{text-decoration:none;color:var(--c-fg);font-weight:700;font-size:1.15rem;flex-shrink:0}.brand-name{color:var(--c-accent)}.brand-tld{color:var(--c-muted);font-weight:500}.nav-toggle{display:none;background:transparent;border:1px solid var(--c-border);border-radius:var(--r);width:44px;height:44px;min-height:44px;padding:0;margin-left:auto;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}.nav-toggle .bar{display:block;width:22px;height:2px;background:var(--c-fg);border-radius:2px;transition:transform .2s,opacity .2s}.nav-toggle[aria-expanded=true] .bar:nth-child(1){transform:translateY(6px) rotate(45deg)}.nav-toggle[aria-expanded=true] .bar:nth-child(2){opacity:0}.nav-toggle[aria-expanded=true] .bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.nav{margin-left:auto}.nav ul{display:flex;list-style:none;margin:0;padding:0;gap:.25rem;flex-wrap:nowrap}.nav li{margin:0}.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 .9rem;text-decoration:none;color:var(--c-fg);border-radius:var(--r);font-weight:500;white-space:nowrap}.nav a:hover{background:var(--c-accent-bg);color:var(--c-link-hover)}.nav a.active{background:var(--c-accent-bg);color:var(--c-accent)}@media(max-width:900px){.nav-toggle{display:inline-flex}.nav{position:fixed;top:64px;left:0;right:0;background:var(--c-bg);border-bottom:1px solid var(--c-border);margin:0;transform:translateY(-100%);transition:transform .25s ease,visibility 0s linear .25s;visibility:hidden;box-shadow:var(--shadow);max-height:calc(100vh - 64px);overflow-y:auto;z-index:40}.nav.open{transform:translateY(0);visibility:visible;transition:transform .25s ease,visibility 0s linear 0s}.nav ul{flex-direction:column;gap:0;padding:.5rem 1rem 1rem}.nav a{width:100%;min-height:52px;padding:.5rem 1rem;border-bottom:1px solid var(--c-border);font-size:1.05rem}body.nav-open{overflow:hidden}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--c-accent-bg);border-top:1px solid var(--c-border);margin-top:4rem;padding:2.5rem 0 1rem;font-size:.95rem}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}.footer-brand[data-astro-cid-sz7xmlte]{font-weight:700;color:var(--c-accent);font-size:1.2rem}.footer-tagline[data-astro-cid-sz7xmlte]{color:var(--c-muted);margin:.25rem 0 0}.site-footer[data-astro-cid-sz7xmlte] h3[data-astro-cid-sz7xmlte]{font-size:1rem;margin:0 0 .5rem;font-weight:600}.site-footer[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;margin:0;padding:0}.site-footer[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte]{margin:.4rem 0}.site-footer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--c-fg);text-decoration:none}.site-footer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--c-accent);text-decoration:underline}.footer-bottom[data-astro-cid-sz7xmlte]{border-top:1px solid var(--c-border);margin-top:2rem;padding-top:1rem;color:var(--c-muted);font-size:.85rem}@media(max-width:700px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:1.5rem}}:root{--c-bg: #fafaf8;--c-fg: #1a1a1a;--c-muted: #555;--c-border: #e5e5e0;--c-link: #1a4d8f;--c-link-hover: #0e3169;--c-accent: #b8860b;--c-accent-bg: #faf6e8;--c-board-light: #f0d9b5;--c-board-dark: #b58863;--max-w: 1180px;--r: 6px;--gap: 1rem;--gap-lg: 1.5rem;--shadow: 0 2px 8px rgba(0,0,0,.06);--fs-h1: clamp(1.6rem, 1.2rem + 2vw, 2.4rem);--fs-h2: clamp(1.3rem, 1.05rem + 1.2vw, 1.75rem);--fs-h3: clamp(1.1rem, .95rem + .7vw, 1.35rem);--fs-body: clamp(.95rem, .9rem + .2vw, 1.05rem);--lh-body: 1.65}@media(prefers-color-scheme:dark){:root{--c-bg: #14140f;--c-fg: #e8e6dd;--c-muted: #aaa3a3;--c-border: #2a2a25;--c-link: #74a8e6;--c-link-hover: #a8c8f0;--c-accent-bg: #2a2317}}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{background:var(--c-bg);color:var(--c-fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:var(--fs-body);line-height:var(--lh-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.container{width:min(var(--max-w),100% - 2rem);margin-inline:auto}h1{font-size:var(--fs-h1);line-height:1.2;font-weight:700;margin:0 0 .75rem}h2{font-size:var(--fs-h2);line-height:1.25;font-weight:700;margin:1.75rem 0 .6rem}h3{font-size:var(--fs-h3);line-height:1.3;font-weight:600;margin:1.25rem 0 .5rem}p{margin:0 0 1rem}ul,ol{margin:0 0 1rem 1.25rem}li{margin-bottom:.3rem}a{color:var(--c-link);text-decoration:underline;text-underline-offset:2px}a:hover{color:var(--c-link-hover)}img{max-width:100%;height:auto;display:block}figure{margin:1.5rem 0}figcaption{font-size:.9em;color:var(--c-muted);margin-top:.4rem}button,.btn,a.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:.55rem 1rem;border-radius:var(--r);background:var(--c-accent-bg);color:var(--c-fg);border:1px solid var(--c-border);font-weight:500;cursor:pointer;text-decoration:none;transition:background .12s,transform .06s}button:hover,.btn:hover{background:var(--c-accent);color:#fff}button:active,.btn:active{transform:scale(.98)}.prose{max-width:70ch;font-size:1.05rem}.prose h2+p,.prose h3+p{margin-top:.3rem}.prose blockquote{border-left:3px solid var(--c-accent);padding-left:1rem;margin:1.5rem 0;color:var(--c-muted);font-style:italic}.prose code{background:var(--c-accent-bg);padding:2px 6px;border-radius:3px;font-family:ui-monospace,monospace}.prose img{border-radius:var(--r);box-shadow:var(--shadow)}.skip-link{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link:focus{position:fixed;width:auto;height:auto;margin:0;clip:auto;overflow:visible;top:.75rem;left:.75rem;padding:.5rem 1rem;background:var(--c-fg);color:var(--c-bg);border-radius:var(--r);z-index:100;text-decoration:none}