/* Skyfield single post. Scoped to .sdp so it never reaches the nav, footer or other templates. */

.sdp,.sdp *{box-sizing:border-box}
.sdp{
--grad:linear-gradient(135deg,#A422E7,#D802B3);
--ink:#1A1A2E;--ink2:#4B4A5C;--ink3:#7E7C8E;--line:#E7E6EC;--gray:#F5F4F8;--pink:#CC04AB;--purple:#A422E7;
margin:0;background:#fff;color:var(--ink);font-family:'Quicksand',sans-serif;font-weight:500;-webkit-font-smoothing:antialiased;overflow-x:clip}
.sdp h1,.sdp h2,.sdp h3,.sdp h4,.sdp p,.sdp a,.sdp span,.sdp li,.sdp button,.sdp summary{font-family:'Quicksand',sans-serif}
.sdp a{text-decoration:none}
.sdp-in{max-width:1180px;margin:0 auto;padding:0 32px}

/* reading progress, pinned under the fixed nav */
.sdp-progress{position:fixed;left:0;right:0;top:68px;height:4px;z-index:9998;background:rgba(26,26,46,.06);pointer-events:none}
.sdp-progress span{display:block;height:100%;width:100%;background:linear-gradient(90deg,#A422E7,#D802B3);transform:scaleX(0);transform-origin:0 50%;will-change:transform}
body.admin-bar .sdp-progress{top:100px}

/* header */
.sdp-head{padding:100px 0 34px}
.sdp-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 440px;gap:48px;align-items:center}
.sdp-head-grid.no-img{grid-template-columns:minmax(0,1fr)}
.sdp-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:.82rem;font-weight:600;color:var(--ink3);margin-bottom:14px}
.sdp-crumbs a{color:var(--ink2)}
.sdp-crumbs a:hover{color:var(--purple)}
.sdp-crumbs .sep{opacity:.5}
.sdp .sdp-title{font-size:clamp(1.9rem,3.3vw,2.6rem)!important;font-weight:700!important;line-height:1.14!important;letter-spacing:-.01em!important;color:var(--ink)!important;margin:0 0 22px!important;text-transform:none!important;text-wrap:balance}
.sdp-byline{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}
.sdp-author{display:flex;align-items:center;gap:12px;color:var(--ink);min-width:0}
.sdp-author img{width:44px;height:44px;border-radius:50%;object-fit:cover;object-position:50% 18%;flex:none;background:var(--gray)}
.sdp-author-txt{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.sdp-author-txt b{font-size:.95rem;font-weight:700;color:var(--ink)}
.sdp-author-txt span{font-size:.82rem;font-weight:600;color:var(--ink3)}
.sdp-author-txt span i{font-style:normal;white-space:nowrap}
.sdp-author-txt time{white-space:nowrap}
.sdp-author:hover b{color:var(--purple)}
.sdp-hero-img{margin:0;border-radius:16px;overflow:hidden;background:var(--gray);aspect-ratio:16/10}
.sdp-hero-img img{width:100%!important;height:100%!important;max-width:none!important;object-fit:cover;display:block}

/* share */
.sdp-share{display:flex;align-items:center;gap:8px}
.sdp .sdp-sh{width:36px;height:36px;min-height:0;padding:0;margin:0;border-radius:8px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--ink2);cursor:pointer;box-shadow:none;transition:border-color .2s,color .2s,transform .2s}
.sdp .sdp-sh svg{width:17px;height:17px;fill:currentColor}
.sdp .sdp-copy svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sdp .sdp-copy .i-ok{display:none}
.sdp .sdp-copy.is-done .i-link{display:none}
.sdp .sdp-copy.is-done .i-ok{display:block;color:#16A34A}
.sdp .sdp-sh:hover,.sdp .sdp-sh:focus-visible{border-color:var(--purple);color:var(--purple);background:#fff;transform:translateY(-1px)}

/* layout */
.sdp-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:64px;align-items:start;margin-bottom:64px}
.sdp-main{min-width:0;max-width:780px}
.sdp-side{position:relative;height:100%}
.sdp-side-in{position:sticky;top:96px;display:flex;flex-direction:column;gap:26px;padding-top:6px}
body.admin-bar .sdp-side-in{top:128px}
.sdp .sdp-toc-h{font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink3);margin:0 0 10px}
.sdp-toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--line);max-height:calc(100vh - 360px);overflow-y:auto;scrollbar-width:thin}
.sdp-toc li{margin:0}
.sdp-toc a{display:block;padding:7px 0 7px 14px;margin-left:-2px;border-left:2px solid transparent;font-size:.86rem;font-weight:600;line-height:1.4;color:var(--ink2);transition:color .2s,border-color .2s}
.sdp-toc a:hover{color:var(--ink)}
.sdp-toc a.is-on{color:var(--purple);border-left-color:var(--purple)}
.sdp-side-cta{background:var(--gray);border-radius:14px;padding:20px 18px}
.sdp .sdp-side-cta-h{font-size:1rem;font-weight:700;color:var(--ink);margin:0 0 6px;line-height:1.3}
.sdp-side-cta p{font-size:.84rem;line-height:1.55;color:var(--ink2);margin:0 0 14px}
.sdp .sdp-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:8px;font-size:.92rem;font-weight:700;line-height:1.2;color:#fff!important;background:var(--grad);border:0;transition:transform .2s,box-shadow .2s}
.sdp .sdp-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(164,34,231,.25);color:#fff!important}
.sdp-side-cta .sdp-btn{width:100%}
.sdp .sdp-btn.white{background:#fff;color:var(--purple)!important}
.sdp .sdp-btn.white:hover{color:var(--purple)!important}

/* mobile table of contents */
.sdp-toc-m{display:none;border:1px solid var(--line);border-radius:12px;margin:0 0 24px;background:#fff}
.sdp-toc-m summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;font-size:.95rem;font-weight:700;color:var(--ink);cursor:pointer;list-style:none}
.sdp-toc-m summary::-webkit-details-marker{display:none}
.sdp-toc-m summary svg{width:18px;height:18px;fill:none;stroke:var(--purple);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s;flex:none}
.sdp-toc-m[open] summary svg{transform:rotate(180deg)}
.sdp-toc-m ol{list-style:none;margin:0;padding:4px 16px 12px;border-top:1px solid var(--line);counter-reset:t}
.sdp-toc-m li{margin:0;counter-increment:t}
.sdp-toc-m a{display:flex;gap:10px;padding:9px 0;font-size:.9rem;font-weight:600;line-height:1.45;color:var(--ink2);border-bottom:1px solid #F0EFF4}
.sdp-toc-m li:last-child a{border-bottom:0}
.sdp-toc-m a::before{content:counter(t,decimal-leading-zero);font-size:.75rem;font-weight:700;color:var(--pink);padding-top:2px;flex:none}

/* article body. Many posts carry their own inline styles; these are the defaults underneath them. */
.sdp-content{font-size:1.06rem;line-height:1.75;color:#2a2a3c;overflow-wrap:break-word}
.sdp-content>*:first-child,.sdp-content .sf-article>*:first-child{margin-top:0!important}
.sdp-content p{margin:0 0 1.15em}
.sdp-content p:empty{display:none}
.sdp-content h2{font-size:clamp(1.45rem,2.4vw,1.8rem);font-weight:700;line-height:1.25;color:var(--ink);margin:1.9em 0 .6em;scroll-margin-top:96px;text-transform:none;letter-spacing:0}
.sdp-content h3{font-size:1.22rem;font-weight:700;line-height:1.3;color:var(--ink);margin:1.6em 0 .5em;scroll-margin-top:96px;text-transform:none;letter-spacing:0}
.sdp-content h4{font-size:1.05rem;font-weight:700;margin:1.4em 0 .4em;color:var(--ink)}
.sdp-content a{color:var(--pink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.sdp-content a:hover{color:var(--purple)}
.sdp-content ul,.sdp-content ol{margin:0 0 1.2em;padding-left:1.3em}
.sdp-content li{margin:0 0 .45em}
.sdp-content img{max-width:100%;height:auto;border-radius:12px}
.sdp-content figure{margin:1.6em 0}
.sdp-content figcaption{font-size:.85rem;color:var(--ink3);margin-top:8px;text-align:center}
.sdp-content blockquote{margin:1.6em 0;padding:4px 0 4px 20px;border-left:3px solid var(--purple);color:var(--ink);font-weight:600}
.sdp-content table{width:100%;border-collapse:collapse;font-size:.95rem;margin:1.4em 0}
.sdp-content table:not([style]):not([class]) th,.sdp-content table:not([style]):not([class]) td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.sdp-content table:not([style]):not([class]) th{background:var(--gray);font-weight:700;color:var(--ink)}
.sdp-content .sdp-table{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.4em 0}
.sdp-content .sdp-table>table{margin:0}
.sdp-content iframe,.sdp-content video{max-width:100%}
.sdp-content pre{overflow-x:auto;background:var(--gray);border-radius:10px;padding:16px;font-size:.9rem}
.sdp-content .sf-article{max-width:none!important}
.sdp-content .sf-article h2,.sdp-content .sf-article h3{scroll-margin-top:96px}

/* end of article */
.sdp-endshare{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:40px 0 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sdp-endshare>span{font-size:.95rem;font-weight:700;color:var(--ink)}
.sdp-bio{display:flex;gap:18px;align-items:flex-start;margin-top:28px;padding:24px;background:var(--gray);border-radius:14px}
.sdp-bio img{width:72px;height:72px;border-radius:50%;object-fit:cover;object-position:50% 18%;flex:none;background:#fff}
.sdp .sdp-bio-name{margin:0;font-size:1.05rem;font-weight:700;line-height:1.3}
.sdp .sdp-bio-name a{color:var(--ink)}
.sdp .sdp-bio-name a:hover{color:var(--purple)}
.sdp .sdp-bio-title{margin:2px 0 8px;font-size:.84rem;font-weight:600;color:var(--pink)}
.sdp .sdp-bio-text{margin:0;font-size:.92rem;line-height:1.65;color:var(--ink2)}

/* CTA band */
.sdp-cta{padding:0 0 64px}
.sdp-band{background:var(--grad);border-radius:24px;padding:44px 48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;color:#fff}
.sdp .sdp-band h2{font-size:clamp(1.5rem,2.8vw,2rem)!important;font-weight:700!important;color:#fff!important;margin:0 0 10px!important;line-height:1.2!important;text-transform:none!important}
.sdp-band p{margin:0;color:rgba(255,255,255,.92);font-size:1rem;line-height:1.6;max-width:58ch}

/* related */
.sdp-related{padding:64px 0 88px;background:#fff;border-top:1px solid var(--line)}
.sdp-related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.sdp .sdp-related-head h2{font-size:clamp(1.5rem,2.6vw,2rem)!important;font-weight:700!important;color:var(--ink)!important;margin:0!important;line-height:1.2!important;text-transform:none!important}
.sdp-related-head a{display:inline-flex;align-items:center;gap:6px;font-size:.92rem;font-weight:700;color:var(--pink)}
.sdp-related-head a svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.sdp-related-head a:hover{color:var(--purple)}
.sdp-related.sdb{overflow-x:visible}

.sdp :focus-visible{outline:2px solid var(--purple);outline-offset:2px}
@media (prefers-reduced-motion:reduce){.sdp *{transition:none!important}}

@media (max-width:1100px){
  .sdp-head-grid{grid-template-columns:minmax(0,1fr) 380px;gap:36px}
  .sdp-layout{grid-template-columns:200px minmax(0,1fr);gap:44px}
}
@media (max-width:900px){
  .sdp-in{padding:0 20px}
  .sdp-head{padding:88px 0 24px}
  .sdp-head-grid{grid-template-columns:1fr;gap:22px}
  .sdp-hero-img{aspect-ratio:16/9;border-radius:14px}
  .sdp-layout,.sdp-layout.no-toc{grid-template-columns:1fr;gap:0;margin-bottom:40px}
  .sdp-side{display:none}
  .sdp-main{max-width:none}
  .sdp-toc-m{display:block}
  .sdp-band{grid-template-columns:1fr;padding:32px 24px;border-radius:18px;gap:22px}
  .sdp-band .sdp-btn{width:100%}
  .sdp-cta{padding-bottom:48px}
  .sdp-related{padding:48px 0 64px}
}
@media (max-width:640px){
  .sdp-in{padding:0 16px}
  .sdp-head{padding:84px 0 20px}
  .sdp .sdp-title{font-size:clamp(1.6rem,7vw,2rem)!important;margin-bottom:18px!important}
  .sdp-crumbs{font-size:.78rem;margin-bottom:10px}
  .sdp-byline{padding-top:14px;gap:12px}
  .sdp-author img{width:40px;height:40px}
  .sdp .sdp-sh{width:34px;height:34px}
  .sdp-content{font-size:1rem;line-height:1.72}
  .sdp-bio{flex-direction:column;gap:12px;padding:20px}
  .sdp-bio img{width:60px;height:60px}
  .sdp-endshare{margin-top:32px}
  .sdp-related-head{margin-bottom:18px}
}
@media (max-width:440px){
  .sdp-byline .sdp-sh-facebook{display:none}
  .sdp-byline .sdp-share{gap:6px}
  .sdp-byline .sdp-sh{width:32px;height:32px}
  .sdp-byline{flex-wrap:nowrap}
  .sdp-byline .sdp-share{flex:none}
}
@media (max-width:340px){
  .sdp-byline{flex-direction:column;align-items:flex-start}
}