*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}button,a{color:inherit}.nav{z-index:100;min-height:65px;color:var(--paper);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0b0b0bf7;border-bottom:1px solid #ffffff14;align-items:center;gap:1.8rem;padding:.75rem 1.8rem;display:flex;position:fixed;inset:3px 0 auto}.brand{align-items:center;gap:1.2rem;text-decoration:none;display:flex}.brand__mark{width:auto;height:1.3rem;display:block}.brand__word{width:auto;height:.75rem;display:block}html[data-theme=dark] footer .brand__mark,html[data-theme=dark] footer .brand__word{filter:invert()}.nav__title,.nav__back{font:600 .68rem/1 var(--label);letter-spacing:.18em}.nav__title{opacity:.7;margin:0 auto}.nav__back{border:1px solid #ffffff40;padding:.58rem .85rem;text-decoration:none}.nav__back:hover{color:var(--accent-text);border-color:var(--accent-text)}.nav__back span{color:var(--accent-text)}.article{max-width:760px;margin:0 auto;padding:130px 1.4rem 5rem}.kicker{color:var(--accent-text);font:700 .7rem/1.4 var(--mono);letter-spacing:.16em;margin-bottom:1rem}mark{color:var(--accent-text);background:0 0}.article__hero{padding-bottom:2.5rem}.article__hero h1{font:400 clamp(2.5rem,6vw,4.2rem)/1.05 var(--display);letter-spacing:-.01em;text-transform:uppercase}.lede{max-width:62ch;margin-top:1.6rem;font-size:clamp(1.02rem,1.4vw,1.16rem);line-height:1.75}.lede em{font-style:italic}.article__meta{font:700 .64rem var(--mono);letter-spacing:.12em;color:#0b0b0ba6;align-items:center;gap:.8rem;margin-top:1.6rem;display:flex}.article__meta i{background:#0b0b0b4d;width:26px;height:1px}.toc{border:2px solid var(--ink);border-radius:var(--sketch);background:var(--paper-2);margin:0 0 3.5rem;padding:1.15rem 1.3rem 1.25rem;box-shadow:0 10px 22px #0000000f}.toc__title{font:700 .68rem var(--mono);letter-spacing:.16em;color:var(--accent-text);margin-bottom:.75rem}.toc ol{columns:2;font:500 .85rem/2 var(--mono);column-gap:2rem;padding-left:1.4rem}.toc li::marker{color:var(--accent-text);font-weight:700}.toc a{color:inherit;border-bottom:1px solid #0000;text-decoration:none}.toc a:hover{color:var(--accent-text);border-bottom-color:var(--accent-text)}.chapter{border-top:1px solid var(--line);padding:2.6rem 0}.chapter h2{font:400 clamp(1.9rem,4vw,2.9rem)/1.05 var(--display);letter-spacing:0;text-transform:uppercase;margin-bottom:1.3rem}.chapter h2 em{color:var(--accent-text);font-style:italic}.chapter p{max-width:66ch;margin-bottom:1.15rem;font-size:clamp(.97rem,1.25vw,1.06rem);line-height:1.8}.chapter strong{font-weight:700}.chapter em{font-style:italic}.chapter code{border:1px solid var(--line);background:var(--paper-2);font:400 .85em var(--mono);border-radius:5px;padding:.12rem .34rem}.pillars{margin:0 0 1.4rem 1.4rem;list-style:outside}.pillars li{margin-bottom:.4rem}.pillars span{font-size:clamp(.97rem,1.25vw,1.06rem);line-height:1.8}.article-image{border:2px solid var(--ink);box-shadow:var(--shadow);background:#fff;border-radius:14px;margin:1.6rem 0;overflow:hidden}.article-image img{width:100%;height:auto;display:block}.article-image figcaption{border-top:1px solid var(--line);background:var(--paper-2);font:700 .66rem var(--mono);letter-spacing:.08em;color:var(--accent-text);text-align:center;padding:.7rem 1.1rem}.code-block{border:2px solid var(--ink);box-shadow:var(--shadow);background:#0b0b0b;border-radius:14px;margin:1.6rem -1rem;overflow:hidden}.code-block figcaption{font:700 .62rem var(--mono);letter-spacing:.08em;background:#ffffff0a;border-bottom:1px solid #ffffff1f;justify-content:space-between;align-items:center;gap:1rem;padding:.7rem 1.1rem;display:flex}.code-block figcaption span{color:#f1f0ecd9}.code-block figcaption em{color:var(--accent-text);opacity:.9;font-style:normal}.code-block pre{margin:0;padding:1.1rem 1.2rem;overflow-x:auto}.code-block code{font:400 .82rem/1.65 var(--mono);color:#f1f0ec;white-space:pre;background:0 0;border:0;padding:0;display:block}button{font-family:var(--mono);cursor:pointer}.action-btn{color:#fff;background:var(--ink);min-height:44px;font:700 .68rem var(--mono);letter-spacing:.07em;border:0;border-radius:7px;justify-content:center;align-self:center;align-items:center;gap:.6rem;padding:.6rem 1.05rem;text-decoration:none;transition:transform .2s,box-shadow .2s;display:inline-flex;box-shadow:0 8px 18px #00000029}.action-btn:hover,.action-btn:focus-visible{outline:2px solid var(--acid);outline-offset:2px;transform:translateY(-2px);box-shadow:0 11px 24px #00000038}.action-btn span{background:var(--volt);color:#090b0e;border-radius:50%;place-items:center;width:27px;height:27px;font-size:.85rem;display:grid}.ghost-btn{border:2px solid var(--ink);min-height:44px;font:700 .68rem var(--mono);letter-spacing:.07em;border-radius:7px;align-items:center;padding:.6rem 1.05rem;text-decoration:none;transition:all .2s;display:inline-flex}.ghost-btn:hover{background:var(--acid)}.article__end{border-top:1px solid var(--line);text-align:left;padding:3rem 0 1rem}.article__end h2{font:400 clamp(2rem,4.5vw,3.1rem)/1.05 var(--display);text-transform:uppercase}.article__end p{max-width:56ch;margin:1rem 0 1.5rem;font-size:1rem;line-height:1.7}.article__end-actions{flex-wrap:wrap;gap:.8rem;display:flex}footer{color:var(--paper);background:var(--ink);text-align:center;flex-direction:column;align-items:center;gap:1.4rem;padding:3.5rem 1.5rem 3rem;display:flex}footer p{font:600 .68rem var(--label);letter-spacing:.2em;opacity:.7}.footer-cta{font:600 .7rem var(--label);letter-spacing:.16em;border:1px solid #ffffff4d;align-items:center;gap:.6rem;padding:.8rem 1.2rem;text-decoration:none;transition:all .2s;display:inline-flex}.footer-cta:hover{color:var(--ink);background:var(--acid);border-color:var(--accent-text)}@media (max-width:640px){.nav{gap:1rem;padding:.7rem 1rem}.nav__title,.brand__word{display:none}.article{padding-top:110px}.toc ol{columns:1}.pillars{grid-template-columns:1fr}.code-block{margin:1.4rem 0}.code-block code{font-size:.74rem}}