:root{--paper:#FAF7F0;--card:#fff;--ink:#1D1A14;--soft:#55503F;--muted:#756F62;--blue:#3B5BF6;--yellow:#FFD43B;--line:#E7E1D2;--disp:'Bricolage Grotesque',sans-serif;--body:'Inter',sans-serif;--mono:'JetBrains Mono',monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-underline-offset:4px}img{max-width:100%}h1,h2,h3{font-family:var(--disp);font-weight:800;letter-spacing:-.025em;line-height:1.13}h1,h2,h3,p{margin-top:0}button,summary,a{-webkit-tap-highlight-color:transparent}a,summary{outline:none}.keyboard-nav :is(a,summary):focus{outline:3px solid var(--blue);outline-offset:5px;border-radius:4px}a:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:5px}html:not(.keyboard-nav) :is(a,summary):focus-visible{outline:none}
.wrap{max-width:1120px;margin:auto;padding:0 32px}.site-nav{position:sticky;top:0;z-index:10;background:var(--paper);border-bottom:2px solid var(--ink)}.nav-in{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-family:var(--disp);font-size:1.35rem;font-weight:800;text-decoration:none;flex:none}.brand img{width:34px;height:34px}.nav-links{display:flex;align-items:center;gap:28px;font-size:.9rem;font-weight:600}.nav-links a{color:var(--soft);text-decoration:none}.nav-links [aria-current]{color:var(--blue)}
.hub-intro{padding:76px 0 44px;max-width:800px}.eyebrow{font:600 .75rem/1.5 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:20px}.hub-intro h1{font-size:clamp(2.65rem,6vw,4.8rem);margin-bottom:24px}.hub-intro h1 span{color:var(--blue)}.hub-intro p{max-width:62ch;font-size:1.08rem;color:var(--soft);margin-bottom:14px}.topics{display:flex;gap:10px;flex-wrap:wrap;padding:0 0 38px;border-bottom:1px solid var(--line)}.topics a{font-size:.86rem;font-weight:600;text-decoration:none;color:var(--ink);padding:8px 16px;background:var(--card);border:1px solid var(--line);border-radius:999px}.collection{padding:48px 0 8px}.section-top{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:24px}.section-top h2{font-size:1.9rem;margin-bottom:0}.count{font:500 .75rem var(--mono);color:var(--muted);white-space:nowrap}.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.article-card{display:flex;flex-direction:column;border:2px solid var(--ink);border-radius:16px;background:var(--card);padding:26px;position:relative}.card-category{font:500 .7rem/1.5 var(--mono);color:var(--muted);margin-bottom:18px}.article-card h3{font-size:1.35rem;line-height:1.22;margin-bottom:14px}.article-card h3 a{color:var(--ink);text-decoration:none}.article-card h3 a::after{content:'';position:absolute;inset:0;border-radius:14px}.article-card p{color:var(--soft);font-size:.9rem;line-height:1.65;margin-bottom:24px}.read-label{margin-top:auto;color:var(--blue);font-size:.86rem;font-weight:600}.hub-note{max-width:68ch;color:var(--soft);font-size:.94rem;padding:48px 0 64px;margin:0}.hub-note a{font-weight:600}
.breadcrumbs{padding:28px 0 0;font-size:.82rem;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}.breadcrumbs a{color:var(--soft);text-decoration:none}.article-header{padding:36px 0 40px;max-width:900px}.article-header h1{font-size:clamp(2.15rem,4.7vw,3.8rem);margin:12px 0 22px}.article-header .description{max-width:65ch;color:var(--soft);font-size:1.08rem;margin-bottom:22px}.byline{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:.83rem;color:var(--muted)}.author{color:var(--ink);font-weight:600}.author img{vertical-align:middle;margin-right:7px}.reading-layout{display:grid;grid-template-columns:220px minmax(0,720px);gap:52px;padding:38px 0 64px;border-top:1px solid var(--line);align-items:start}.contents{position:sticky;top:103px;font-size:.82rem;color:var(--soft);max-height:calc(100vh - 140px);overflow:auto;padding:0 10px 8px 0}.contents p{font:600 .7rem var(--mono);letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}.contents a{display:block;text-decoration:none;color:var(--soft);padding:7px 0;border-bottom:1px solid var(--line);line-height:1.5}.article-body{min-width:0;font-size:1rem}.article-body p,.article-body li{color:var(--soft)}.article-body p{margin-bottom:22px}.article-body h2{font-size:1.65rem;margin:42px 0 18px}.article-body h3{font-size:1.2rem;margin:30px 0 12px}.article-body>:first-child{margin-top:0}.article-body ul,.article-body ol{padding-left:24px;margin:0 0 24px}.article-body li{padding-left:6px;margin-bottom:9px}.article-body blockquote{margin:26px 0;padding:20px 24px;border-left:4px solid var(--blue);background:#fff;border-radius:0 12px 12px 0;color:var(--ink);font-size:1.02rem}.article-body pre{font:400 .88rem/1.8 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:24px}.article-body .source{font-size:.82rem;margin-top:-10px}.article-body a{overflow-wrap:anywhere}.article-body a:hover{text-decoration-thickness:2px}.related{padding:38px 0 64px;border-top:1px solid var(--line)}.related h2{font-size:1.8rem;margin-bottom:24px}.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.related-links a{border:1px solid var(--line);border-radius:12px;padding:18px;background:white;color:var(--ink);text-decoration:none;font-weight:600;font-size:.9rem}.back-blog{display:inline-flex;margin-top:26px;font-weight:600;font-size:.9rem}.site-footer{border-top:2px solid var(--ink);padding:32px 0}.foot-in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.foot-links{display:flex;gap:24px;font-size:.85rem}.foot-links a{color:var(--soft);text-decoration:none}.copyright{font-size:.72rem;color:var(--muted);width:100%;margin:8px 0 0}
@media(hover:hover){.nav-links a:hover,.foot-links a:hover,.contents a:hover{color:var(--blue)}.topics a:hover{border-color:var(--blue);color:var(--blue)}.article-card:hover{border-color:var(--blue)}.article-card:hover h3 a{color:var(--blue)}.related-links a:hover{border-color:var(--blue);color:var(--blue)}}
@media(max-width:960px){.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-layout{grid-template-columns:180px minmax(0,1fr);gap:32px}.related-links{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.wrap{padding:0 20px}.nav-in{min-height:68px}.nav-links{gap:18px;font-size:.82rem}.brand{font-size:1.2rem}.hub-intro{padding:46px 0 26px}.hub-intro h1{font-size:2.8rem}.hub-intro p{font-size:1rem}.collection{padding-top:34px}.section-top h2{font-size:1.55rem}.article-grid{grid-template-columns:1fr}.article-card{padding:24px}.article-card h3{font-size:1.45rem}.topics{gap:8px;padding-bottom:28px}.topics a{padding:7px 12px;font-size:.8rem}.article-header{padding:28px 0 32px}.article-header h1{font-size:2.4rem}.article-header .description{font-size:1rem}.reading-layout{display:block;padding:26px 0 42px}.contents{position:static;max-height:220px;overflow:auto;margin-bottom:32px;border:1px solid var(--line);border-radius:12px;padding:18px;background:var(--card)}.contents p{margin-bottom:10px}.contents a{padding:6px 0}.article-body{font-size:1rem}.article-body h2{font-size:1.45rem;margin-top:34px}.related-links{grid-template-columns:1fr}.foot-links{flex-wrap:wrap;gap:20px}.section-top{align-items:center}.hub-note{padding:36px 0 44px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.hub-context{max-width:68ch;color:var(--soft);font-size:.94rem;margin:44px 0 0}.hub-context+.hub-note{padding-top:16px}

/* Top navigation: same links, button and phone menu as the homepage (owner request, 28 Oct 2026). */
:root{--cta:#3B5BF6;--cta-d:#2E49D6;--sh-sm:3px 3px 0 var(--ink);--spring:cubic-bezier(.34,1.56,.64,1)}
.site-nav{z-index:50}.site-nav .nav-in{height:72px;min-height:0}.site-nav .brand{letter-spacing:-.02em}
.site-nav .nav-links{gap:32px;font-size:.95rem}.site-nav .nav-links a{padding:8px 0}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-cta{font-family:var(--disp);font-weight:700;font-size:.95rem;--button-fill:var(--cta);--button-shadow:var(--sh-sm);--button-offset:translate(0,0);color:#fff;padding:10px 20px;border-radius:11px;border:2px solid transparent;text-decoration:none;position:relative;isolation:isolate;display:inline-flex;align-items:center}
.nav-cta::before{content:"";position:absolute;inset:-2px;border:2px solid var(--ink);border-radius:inherit;background:var(--button-fill);box-shadow:var(--button-shadow);z-index:-1;pointer-events:none;transform:var(--button-offset);transition:transform .18s var(--spring),box-shadow .18s var(--spring),background .15s}
.button-content{display:inline-flex;align-items:center;gap:8px;pointer-events:none;transform:var(--button-offset);transition:transform .18s var(--spring)}
.nav-cta{line-height:1.6}.mac-cta .cta-label{line-height:1}.mac-cta .apple-icon{width:18px;height:18px;display:block;flex:none}
.nav-cta:active{--button-offset:translate(2px,2px);--button-shadow:1px 1px 0 var(--ink)}
@media(hover:hover){.site-nav .nav-links a:hover{color:var(--ink)}.nav-cta:hover{--button-fill:var(--cta-d);--button-offset:translate(-2px,-2px);--button-shadow:5px 5px 0 var(--ink)}.mobile-menu a:hover{background:var(--card)}}
.nav-burger{font-family:var(--body);display:none;width:46px;height:46px;border:2px solid var(--ink);border-radius:11px;background:var(--card);cursor:pointer;place-items:center;box-shadow:var(--sh-sm);padding:0}
.nav-burger svg{width:22px;height:22px;display:block}.nav-burger .x{display:none}
.nav-burger[aria-expanded="true"] .bars{display:none}.nav-burger[aria-expanded="true"] .x{display:block}
.mobile-menu{display:none}
@media(max-width:920px){.nav-burger{display:grid}#navMenu{display:none}.mobile-menu:not([hidden]){display:grid;gap:2px;padding:12px 24px 20px;border-top:1px solid var(--line);max-height:calc(100dvh - 74px);overflow-y:auto}.mobile-menu a{display:block;padding:12px;min-height:48px;text-decoration:none;font-weight:600;border-radius:8px;color:var(--soft)}.mobile-menu [aria-current]{color:var(--blue)}}
@media(max-width:640px){.site-nav .nav-in{height:68px;gap:12px}.brand{font-size:1.12rem;gap:7px}.brand img{width:28px;height:28px}.nav-right{gap:10px}.nav-cta{min-height:44px;padding:8px 12px;font-size:.8rem}.nav-burger{width:44px;height:44px;flex-shrink:0}.mobile-menu:not([hidden]){max-height:calc(100dvh - 70px);padding-inline:16px}}
@media(prefers-reduced-motion:reduce){.button-content,.nav-cta::before{transition:none}}
/* Anchor jumps land a short gap below the sticky bar (72px desktop, 68px phone). One offset only: headings add no scroll-margin. */
@media(max-width:640px){html{scroll-padding-top:88px}}