/* ==========================================================================
   Casherra Blog Post Page: css/blog-post.css
   Loads AFTER style.css. Used by every blog post page. Rarely needs editing.
   ========================================================================== */
html{scroll-behavior:smooth;height:auto}
body{height:auto;overflow-x:hidden}
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
section,footer{position:relative}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* nav (same as blog index) */
.nav-top{position:fixed;top:0;left:0;right:0;height:68px;z-index:20;display:flex;align-items:center;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.nav-top.s{background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);border-color:var(--bd)}
.nav-top .wrap{display:flex;align-items:center;gap:26px;width:100%}
.nav-top .logo{font-size:24px;text-decoration:none;color:var(--tx)}
.links{display:flex;gap:24px;margin-left:auto}
.links a{color:var(--mu);text-decoration:none;font-size:13px;transition:color .2s}
.links a:hover,.links a.cur{color:var(--tx)}

/* reading progress bar */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--acc);z-index:30;transition:width .1s linear}

/* layout widths */
.post-wrap{max-width:760px;margin:0 auto;padding:0 24px}
.post-wide{max-width:980px;margin:0 auto;padding:0 24px}

/* post header */
.phead{padding:130px 0 6px}
.crumbs{font-size:12.5px;color:var(--mu);margin-bottom:22px}
.crumbs a{color:var(--mu);text-decoration:none}
.crumbs a:hover{color:var(--acc)}
.crumbs span{margin:0 8px;opacity:.5}
.phead .pill{text-decoration:none;display:inline-block}
.phead h1{font-size:44px;font-weight:200;line-height:1.15;margin:16px 0 14px}
.phead .lead{color:var(--mu);font-size:17px;line-height:1.65;margin:0 0 20px}
.meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:12.5px;color:var(--mu)}
.meta i{width:3px;height:3px;border-radius:50%;background:var(--mu);display:inline-block}

/* cover */
.pcover{margin:30px auto 0;aspect-ratio:16/9;overflow:hidden;border-radius:16px;position:relative;background:linear-gradient(135deg,color-mix(in srgb,var(--pri) 38%,var(--card)),var(--card));border:1px solid var(--bd)}
.pcover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}

/* table of contents */
.toc{padding:20px 24px;margin:34px 0 6px}
.toc strong{display:block;font-size:13px;letter-spacing:.06em;color:var(--acc);margin-bottom:10px;font-weight:500}
.toc ol{margin:0;padding-left:20px}
.toc li{margin:6px 0;font-size:14px}
.toc a{color:var(--mu);text-decoration:none;transition:color .2s}
.toc a:hover{color:var(--acc)}

/* article text */
.prose{padding:26px 0 10px}
.prose h2{font-size:30px;font-weight:200;line-height:1.25;margin:44px 0 16px;scroll-margin-top:90px}
.prose h3{font-size:21px;font-weight:400;line-height:1.3;margin:32px 0 12px;scroll-margin-top:90px}
.prose p{font-size:16.5px;line-height:1.85;margin:0 0 20px;color:color-mix(in srgb,var(--tx) 88%,var(--mu))}
.prose a{color:var(--acc);text-decoration:underline;text-underline-offset:3px}
.prose strong{font-weight:600;color:var(--tx)}
.prose ul,.prose ol{margin:0 0 22px;padding-left:24px}
.prose li{font-size:16.5px;line-height:1.75;margin:8px 0;color:color-mix(in srgb,var(--tx) 88%,var(--mu))}
.prose li::marker{color:var(--acc)}
.prose hr{border:0;border-top:1px solid var(--bd);margin:38px 0}
.prose blockquote{margin:28px 0;padding:6px 0 6px 22px;border-left:3px solid var(--acc)}
.prose blockquote p{font-size:19px;font-weight:200;line-height:1.6;margin:0;color:var(--tx)}

/* images inside posts */
.prose figure{margin:30px 0}
.prose figure img{width:100%;height:auto;display:block;border-radius:14px;border:1px solid var(--bd)}
.prose figcaption{font-size:12.5px;color:var(--mu);text-align:center;margin-top:10px}

/* callouts: !tip  !note  !warning */
.callout{margin:26px 0;padding:16px 20px;border-radius:12px;border:1px solid var(--bd);border-left:4px solid var(--acc);background:color-mix(in srgb,var(--acc) 8%,var(--card))}
.callout b{display:block;font-size:12px;letter-spacing:.07em;text-transform:uppercase;margin-bottom:4px;color:var(--acc);font-weight:600}
.callout p{margin:0;font-size:15.5px;line-height:1.7}
.callout.note{border-left-color:var(--pri);background:color-mix(in srgb,var(--pri) 10%,var(--card))}
.callout.note b{color:var(--pri)}
.callout.warning{border-left-color:#e0a030;background:color-mix(in srgb,#e0a030 10%,var(--card))}
.callout.warning b{color:#e0a030}

/* tables */
.tbl{overflow-x:auto;margin:28px 0;border:1px solid var(--bd);border-radius:12px}
.tbl table{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th,.tbl td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--bd);line-height:1.5}
.tbl th{font-weight:500;color:var(--acc);background:color-mix(in srgb,var(--card) 70%,transparent);white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}

/* inline button: !button */
.pbtn{margin:28px 0;text-align:center}
.pbtn .btn{text-decoration:none;display:inline-block}

/* faq: !faq */
.faq{border:1px solid var(--bd);border-radius:12px;margin:12px 0;background:var(--card)}
.faq summary{cursor:pointer;padding:15px 20px;font-size:15.5px;font-weight:500;list-style:none;display:flex;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--acc);font-size:20px;line-height:1}
.faq[open] summary::after{content:'\2212'}
.faq p{margin:0;padding:0 20px 18px;font-size:15px;line-height:1.75;color:var(--mu)}

/* share + author */
.share{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:34px 0 0;padding-top:24px;border-top:1px solid var(--bd)}
.share span{font-size:13px;color:var(--mu);margin-right:4px}
.share a,.share button{padding:8px 16px;border-radius:20px;border:1px solid var(--bd);color:var(--mu);font-size:13px;text-decoration:none;background:none;cursor:pointer;transition:color .2s,border-color .2s}
.share a:hover,.share button:hover{color:var(--tx);border-color:var(--acc)}
.author{display:flex;gap:14px;align-items:center;margin:26px 0 0;padding:18px 20px}
.author .av{width:44px;height:44px;border-radius:50%;background:var(--pri);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex:none}
.author b{display:block;font-size:14.5px;font-weight:500}
.author small{color:var(--mu);font-size:12.5px}

/* related posts */
.related{padding:60px 0 10px}
.related h2{font-size:26px;font-weight:200;margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--bd)}
.posts{display:grid;gap:22px;grid-template-columns:repeat(3,1fr)}
a.post{text-decoration:none;color:inherit;display:flex;flex-direction:column;padding:0}
.post .pb{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.post h3{font-size:18px;margin:12px 0 8px;line-height:1.3}
.post p{color:var(--mu);font-size:13px;margin:0 0 14px;flex:1}
.cover{aspect-ratio:16/9;overflow:hidden;position:relative;background:linear-gradient(135deg,color-mix(in srgb,var(--pri) 38%,var(--card)),var(--card))}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.card:hover .cover img{transform:scale(1.04)}

/* bottom cta */
.final{text-align:center;padding:50px 0 70px}
.final .card{padding:56px 24px;background:linear-gradient(135deg,color-mix(in srgb,var(--pri) 22%,var(--card)),var(--card))}
.final h2{font-size:34px;font-weight:200;margin:0 0 12px}
.final p{color:var(--mu);margin:0 0 26px}
.final .btn{text-decoration:none;display:inline-block}

/* reveal (animations are driven by design.js) */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.card.rv.in:hover{transform:translateY(-3px)}

@media(max-width:980px){
 .links{display:none}
 .nav-top .ic{margin-left:auto}
 .posts{grid-template-columns:repeat(2,1fr)}
 .phead h1{font-size:36px}
}
@media(max-width:560px){
 .posts{grid-template-columns:1fr}
 .phead{padding-top:110px}
 .phead h1{font-size:30px}
 .prose h2{font-size:25px}
 .prose p,.prose li{font-size:16px}
}