.po-article-hero{position:relative;overflow:hidden;isolation:isolate;margin-block-start:calc(var(--po-header-h) * -1);padding-block-start:calc(var(--po-header-h) + clamp(2rem,1.5rem + 4vw,4.5rem));padding-block-end:clamp(1.5rem,1rem + 2vw,2.5rem)}  .po-article-hero::before{content:"";position:absolute;inset:0;z-index:0;background-image:var(--po-mesh);background-size:var(--po-mesh-size) var(--po-mesh-size);-webkit-mask-image:linear-gradient(#000,transparent 88%);mask-image:linear-gradient(#000,transparent 88%);pointer-events:none}.po-article-hero__inner{position:relative;z-index:1;display:grid;  grid-template-columns:minmax(0,1fr);gap:var(--po-space-s);justify-items:start;text-align:start}.po-article__title{font-size:var(--po-step-6);line-height:1.02;max-width:22ch}.po-article__standfirst{max-width:60ch}  .po-article__byline{display:flex;flex-wrap:wrap;align-items:center;gap:0.75rem;width:100%;margin-block-start:var(--po-space-2xs);padding-block-start:var(--po-space-s);border-block-start:1px solid var(--po-border)}.po-article__avatar img{border-radius:50%;display:block}.po-article__byline-text{display:grid;gap:0.1rem;margin-inline-end:auto}.po-article__author{font-weight:600;font-size:var(--po-step--1);color:var(--po-text);text-decoration:none}.po-article__author:hover{color:var(--po-accent)}.po-article__byline-meta{display:flex;align-items:center;gap:0.4rem;font-family:var(--po-font-mono);font-size:var(--po-step--2);letter-spacing:0.05em;text-transform:uppercase;color:var(--po-text-3)}  .po-share{display:flex;align-items:center;gap:0.4rem}.po-share__btn{display:grid;place-items:center;width:36px;height:36px;border-radius:var(--po-radius-pill);border:1px solid var(--po-border);background:var(--po-surface);color:var(--po-text-3);text-decoration:none;transition:color var(--po-dur-fast) var(--po-ease),border-color var(--po-dur-fast) var(--po-ease),transform var(--po-dur-fast) var(--po-ease)}.po-share__btn svg{width:15px;height:15px}.po-share__btn:hover{color:var(--po-accent);border-color:var(--po-accent);transform:translateY(-2px)}.po-share__copy.is-copied{color:var(--po-teal);border-color:var(--po-teal)}  .po-article__figure,.po-page__figure{margin-block:clamp(1.5rem,1rem + 2vw,2.5rem) 0}  .po-article__frame{display:block;overflow:hidden;border-radius:var(--po-radius-lg);border:1px solid var(--po-border);box-shadow:var(--po-shadow-lg);background:var(--po-surface-3)}.po-article__frame img{display:block;width:100%;height:auto;aspect-ratio:16 / 9;object-fit:cover}.po-article__caption,.po-page__figure figcaption{margin-block-start:0.75rem;font-family:var(--po-font-mono);font-size:var(--po-step--2);letter-spacing:0.05em;text-transform:uppercase;color:var(--po-text-3);text-align:center}  .po-article-layout{display:grid;gap:clamp(2rem,1rem + 3vw,4rem);padding-block:clamp(2rem,1.5rem + 3vw,3.5rem) var(--po-section-y)}.po-article-layout__main{min-width:0}  @media (min-width: 68rem){.po-article-layout--toc{grid-template-columns:minmax(14rem,17rem) minmax(0,1fr)}.po-article-layout__sticky{position:sticky;inset-block-start:calc(var(--po-header-h) + 1.5rem);max-height:calc(100vh - var(--po-header-h) - 3rem);overflow-y:auto;overscroll-behavior:contain}}@media (max-width: 67.999rem){.po-article-layout__aside{order:-1}}  .po-toc{position:relative;border:1px solid var(--po-border);border-radius:var(--po-radius-lg);background:var(--po-surface-2);  background-image:var(--po-mesh);background-size:18px 18px;padding:1.15rem 1.25rem}.po-toc__head{display:flex;align-items:center;justify-content:space-between;gap:0.5rem}.po-toc__label{margin:0;font-size:var(--po-step--2)}  .po-toc__toggle{display:inline-flex;align-items:center;gap:0.4rem;font-family:var(--po-font-mono);font-size:var(--po-step--2);letter-spacing:var(--po-tracking-mono);text-transform:uppercase;color:var(--po-text-3)}.po-toc__chevron{width:14px;height:14px;transition:transform var(--po-dur) var(--po-ease)}.po-toc__toggle[aria-expanded="true"].po-toc__chevron{transform:rotate(180deg)}@media (min-width: 68rem){.po-toc__toggle{display:none}}  .po-toc__list{list-style:none;margin:0;padding:0;margin-block-start:0.85rem;display:grid;gap:0.1rem}  @media (max-width: 67.999rem){.po-toc__list{display:none}.po-toc.is-open .po-toc__list{display:grid}}.po-toc__link{display:flex;align-items:baseline;gap:0.6rem;padding:0.4rem 0.5rem;border-radius:var(--po-radius-sm);font-size:var(--po-step--1);line-height:1.35;color:var(--po-text-3);text-decoration:none;transition:color var(--po-dur-fast) var(--po-ease),background-color var(--po-dur-fast) var(--po-ease)}.po-toc__link:hover{color:var(--po-text);background:var(--po-surface-3)}.po-toc__marker{flex:0 0 auto;width:5px;height:5px;margin-block-start:0.45em;border-radius:50%;background:var(--po-border-strong);transition:background-color var(--po-dur-fast) var(--po-ease),transform var(--po-dur-fast) var(--po-ease-spring)}  .po-toc__link.is-current{color:var(--po-accent);background:color-mix(in srgb,var(--po-accent) 9%,transparent);font-weight:600}.po-toc__link.is-current .po-toc__marker{background:var(--po-accent);transform:scale(1.7)}  .po-answer{position:relative;overflow:hidden;isolation:isolate;margin-block-end:var(--po-space-l);padding:1.5rem 1.6rem;border-radius:var(--po-radius-lg);border:1px solid color-mix(in srgb,var(--po-accent) 26%,transparent);background:color-mix(in srgb,var(--po-accent) 6%,var(--po-surface))}  .po-answer::before{content:"";position:absolute;inset-block:0;inset-inline-start:0;inline-size:3px;background:var(--po-spectrum);pointer-events:none}.po-answer__glow{position:absolute;inset-block-start:-60%;inset-inline-start:-10%;width:45%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--po-accent) 30%,transparent),transparent 70%);filter:blur(20px);z-index:-1}.po-answer__label{margin:0 0 0.6rem;color:var(--po-accent)}.po-answer__dot{width:6px;height:6px;border-radius:50%;background:var(--po-accent)}.po-answer__body{margin:0;font-family:var(--po-font-serif);font-size:var(--po-step-1);line-height:var(--po-leading-normal);color:var(--po-text)}  .po-takeaways{margin-block-end:var(--po-space-l);padding:1.4rem 1.6rem;border-radius:var(--po-radius-lg);border:1px solid var(--po-border);background:var(--po-surface-2)}.po-takeaways__label{margin:0 0 0.85rem}.po-takeaways__list{display:grid;gap:0.6rem;list-style:none;margin:0;padding:0}.po-takeaways__item{display:flex;align-items:flex-start;gap:0.7rem;font-size:var(--po-step-0);line-height:var(--po-leading-normal);color:var(--po-text-2)}.po-takeaways__tick{flex:0 0 auto;width:17px;height:17px;margin-block-start:0.28em;color:var(--po-teal)}  .po-faq{margin-block:var(--po-space-2xl)}.po-faq__title{font-size:var(--po-step-3);margin-block-end:var(--po-space-m)}.po-faq__list{display:grid;gap:0.6rem}.po-faq__item{border:1px solid var(--po-border);border-radius:var(--po-radius);background:var(--po-surface);overflow:hidden;transition:border-color var(--po-dur-fast) var(--po-ease)}.po-faq__item[open]{border-color:color-mix(in srgb,var(--po-accent) 34%,transparent)}.po-faq__q{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.2rem;cursor:pointer;list-style:none;font-family:var(--po-font-display);font-size:var(--po-step-0);font-weight:600;letter-spacing:-0.012em;color:var(--po-text)}  .po-faq__q::-webkit-details-marker{display:none}.po-faq__q::marker{content:""}.po-faq__marker{flex:0 0 auto;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--po-surface-3);color:var(--po-text-2);transition:transform var(--po-dur) var(--po-ease),background-color var(--po-dur-fast) var(--po-ease)}.po-faq__marker svg{width:13px;height:13px}.po-faq__item[open].po-faq__marker{transform:rotate(135deg);background:var(--po-accent);color:var(--po-accent-contrast)}.po-faq__a{padding:0 1.2rem 1.15rem;color:var(--po-text-2);font-size:var(--po-step--1);line-height:var(--po-leading-relaxed)}.po-faq__a p{margin:0}  .po-authorcard{display:flex;flex-wrap:wrap;gap:var(--po-space-m);margin-block:var(--po-space-2xl);padding:1.6rem;border-radius:var(--po-radius-lg);border:1px solid var(--po-border);background:var(--po-surface-2)}.po-authorcard__avatar img,.po-authorcard__initials{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:var(--po-accent);color:var(--po-accent-contrast);font-family:var(--po-font-display);font-size:var(--po-step-1);font-weight:700}.po-authorcard__body{flex:1 1 16rem;display:grid;gap:0.35rem}.po-authorcard__eyebrow{margin:0}.po-authorcard__name{font-size:var(--po-step-2)}.po-authorcard__name a{text-decoration:none;color:inherit}.po-authorcard__name a:hover{color:var(--po-accent)}.po-authorcard__bio{color:var(--po-text-2);font-size:var(--po-step--1);line-height:var(--po-leading-normal);max-width:60ch}.po-authorcard__links{display:flex;flex-wrap:wrap;gap:1rem;margin-block-start:0.35rem}.po-authorcard__link{font-family:var(--po-font-mono);font-size:var(--po-step--2);letter-spacing:var(--po-tracking-mono);text-transform:uppercase;color:var(--po-accent);text-decoration:none}.po-authorcard__link:hover{text-decoration:underline}  .po-postnav{display:grid;gap:0.75rem;margin-block:var(--po-space-2xl)}@media (min-width: 44rem){.po-postnav{grid-template-columns:1fr 1fr}}.po-postnav__link{display:grid;gap:0.3rem;padding:1.1rem 1.25rem;border-radius:var(--po-radius);border:1px solid var(--po-border);background:var(--po-surface);text-decoration:none;color:inherit;transition:border-color var(--po-dur-fast) var(--po-ease),transform var(--po-dur-fast) var(--po-ease)}.po-postnav__link:hover{border-color:var(--po-accent);transform:translateY(-2px)}.po-postnav__link--next{text-align:end}.po-postnav__label{color:var(--po-text-3)}.po-postnav__title{font-family:var(--po-font-display);font-size:var(--po-step-0);font-weight:600;line-height:1.3;letter-spacing:var(--po-tracking-tight)}  .po-related{margin-block-start:var(--po-space-2xl);padding-block-start:var(--po-space-xl);border-block-start:1px solid var(--po-border)}.po-related__head{margin-block-end:var(--po-space-m)}.po-related__title{margin-block-start:0.35rem;font-size:var(--po-step-3)}.po-related__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(15rem,100%),1fr));gap:var(--po-space-s)}  .po-article__tags{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem;margin-block-start:var(--po-space-xl);padding-block-start:var(--po-space-m);border-block-start:1px solid var(--po-border)}  .po-page-links{display:flex;flex-wrap:wrap;align-items:center;gap:0.4rem;margin-block-start:var(--po-space-m);font-family:var(--po-font-mono);font-size:var(--po-step--2);text-transform:uppercase;letter-spacing:var(--po-tracking-mono)}.po-page-links a,.po-page-links>span:not(:first-child){display:inline-grid;place-items:center;min-width:2rem;height:2rem;border-radius:var(--po-radius-sm);border:1px solid var(--po-border);text-decoration:none}.po-page-links a:hover{border-color:var(--po-accent);color:var(--po-accent)}