/* VSCHK blog — the personal-site style (task radar-os--872, block 75000, 06.10).
   Ported from the Sand drafts (src/blog.css, build-blog.py). Served at vschk.online/blog. */
:root{
  --bg:#000; --bg2:#0b0b0f; --card:#141418; --line:rgba(255,255,255,.1); --text:#f5f5f7; --muted:#a1a1a6; --faint:#6e6e73;
  --amber:#f4a300; --sky:#3aa7e2; --studio:#969ca7; --ink:#1d1d1f;
  --font:Inter,-apple-system,"SF Pro Display","Segoe UI",Helvetica,Arial,sans-serif; --mono:"SF Mono",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg:#000;--text:#f5f5f7}}
:root[data-theme="dark"]{--bg:#000;--text:#f5f5f7}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:400 17px/1.5 var(--font);-webkit-font-smoothing:antialiased;overflow-x:clip}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
@media (min-width:720px){.wrap{padding:0 32px}}
.eyebrow{font:600 13px var(--font);letter-spacing:.02em;color:var(--amber);margin-bottom:14px}
h1,h2,h3{font-weight:800;letter-spacing:-.035em;line-height:1.05}
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:999px;font-weight:600;font-size:16px;transition:transform .2s,background .2s}
.btn:hover{transform:translateY(-1px)}
.btn.p{background:var(--sky);color:#fff}
.btn.d{background:var(--ink);color:#fff}
.btn.g{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.18)}
.btn::before{content:'';position:absolute;top:0;left:-70%;width:45%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);pointer-events:none}
.btn:hover::before{animation:shine .9s ease}
@keyframes shine{to{left:130%}}
.glass{background:rgba(30,30,34,.38);border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(22px) saturate(180%);-webkit-backdrop-filter:blur(22px) saturate(180%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 20px 50px rgba(0,0,0,.28);color:#fff}
.reveal{opacity:0;transform:translateY(32px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* nav — the same glass pill as the personal site */
.nav{position:fixed;top:14px;left:50%;transform:translateX(-50%);z-index:50;display:flex;align-items:center;gap:6px;
  padding:6px 6px 6px 18px;border-radius:999px;width:max-content;max-width:calc(100% - 24px)}
.nav .me{font-weight:700;font-size:15px;margin-right:10px;white-space:nowrap}
.nav a.i{font-size:14px;color:rgba(255,255,255,.82);padding:8px 12px;border-radius:999px}
.nav a.i:hover,.nav a.i.on{background:rgba(255,255,255,.12);color:#fff}
.nav .btn{padding:9px 16px;font-size:14px}
@media (max-width:760px){.nav a.i{display:none}.nav a.i.on{display:inline-block}}
.nav .eco{position:relative}
.nav .eco summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:5px;font-size:14px;color:rgba(255,255,255,.82);padding:8px 12px;border-radius:999px;white-space:nowrap;transition:background .2s,color .2s}
.nav .eco summary::-webkit-details-marker{display:none}
.nav .eco summary:hover,.nav .eco[open] summary{background:rgba(255,255,255,.12);color:#fff}
.nav .eco[open] summary svg{transform:rotate(180deg)}
.nav .eco .m{position:absolute;right:0;top:calc(100% + 14px);display:grid;min-width:270px;padding:8px;border-radius:18px;background:rgba(20,24,34,.95);border:1px solid rgba(255,255,255,.16);box-shadow:0 20px 50px rgba(0,0,0,.35)}
.nav .eco .m a{display:grid;gap:2px;padding:10px 12px;border-radius:12px;color:#fff;font-size:14px;font-weight:600;text-decoration:none}
.nav .eco .m a:hover{background:rgba(255,255,255,.1)}
.nav .eco .m small{font-weight:400;font-size:12.5px;color:rgba(255,255,255,.6)}
@media (max-width:760px){.nav .eco{display:none}}

/* studio-grey band: the personal-site hero colour */
.band{background:var(--studio);color:var(--ink);padding:150px 0 90px}
.band .eyebrow{color:#4a3000}
.band h1{font-size:clamp(40px,6.6vw,84px);max-width:16ch}
.band h1 span{color:#4b4f57}
.band .lead{font-size:clamp(19px,2vw,23px);line-height:1.4;color:#2c2e33;max-width:38ch;margin-top:22px;font-weight:500}
.author{display:flex;align-items:center;gap:14px;margin-top:34px}
.author img{width:52px;height:52px;border-radius:50%;object-fit:cover;object-position:center 22%;background:#7d828c}
.author b{display:block;font-size:16px}
.author small{display:block;font-size:14px;color:#3a3d44}
@media (max-width:420px){.band h1{font-size:clamp(34px,10vw,42px)}}

/* filter chips */
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips button{font:600 15px var(--font);padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;transition:background .25s,color .25s}
.chips button:hover{color:#fff}
.chips button.on{background:#f5f5f7;color:#000;border-color:#f5f5f7}

/* cards */
.feed{padding:70px 0 120px}
.feed .bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:34px}
.feed .bar .n{color:var(--faint);font-size:15px}
.lead-post{display:grid;grid-template-columns:1.35fr 1fr;border-radius:32px;overflow:hidden;background:var(--card);border:1px solid var(--line);margin-bottom:24px}
.lead-post .im{overflow:hidden;aspect-ratio:16/10}
.lead-post img,.post img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.lead-post .tx{padding:40px;display:flex;flex-direction:column;gap:14px}
.lead-post h2{font-size:clamp(28px,3vw,40px)}
.lead-post p{color:var(--muted);font-size:18px;line-height:1.45}
.lead-post .more{margin-top:auto;color:var(--sky);font-weight:600;display:inline-flex;gap:6px}
.lead-post:hover img,.post:hover img{transform:scale(1.04)}
.meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:14px;color:var(--faint)}
.meta .pr{color:var(--amber);font-weight:600}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post{display:flex;flex-direction:column;border-radius:26px;overflow:hidden;background:var(--card);border:1px solid var(--line);transition:border-color .3s}
.post:hover{border-color:rgba(255,255,255,.28)}
.post .im{overflow:hidden;aspect-ratio:16/10}
.post .tx{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px}
.post h3{font-size:21px;letter-spacing:-.02em;line-height:1.2}
.post p{color:var(--muted);font-size:15.5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post.hide{display:none}
@media (max-width:1000px){.grid{grid-template-columns:1fr 1fr}.lead-post{grid-template-columns:1fr}.lead-post .tx{padding:28px}}
@media (max-width:620px){.grid{grid-template-columns:1fr}}

/* subscribe / offer band */
.sub{background:var(--bg2);padding:110px 0;text-align:center}
.sub h2{font-size:clamp(36px,5.4vw,68px)}
.sub h2 span{color:#6e6e73}
.sub p{color:var(--muted);font-size:19px;margin:18px auto 0;max-width:40ch}
.sub .cta{margin-top:32px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}


/* article page */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--amber);z-index:60}
.art-band{padding-bottom:180px}
.crumb{display:inline-flex;gap:6px;font-weight:600;font-size:15px;color:#2c2e33;margin-bottom:26px}
.crumb:hover{color:#000}
.art-band h1{font-size:clamp(36px,5.2vw,68px);max-width:20ch;margin-top:16px}
.art-band .meta{color:#3a3d44}
.art-band .meta .pr{color:#4a3000}
.cover{margin-top:-140px;border-radius:32px;overflow:hidden;box-shadow:0 40px 80px rgba(0,0,0,.45);aspect-ratio:16/9}
.cover img{width:100%;height:100%;object-fit:cover}
.read{display:grid;grid-template-columns:220px minmax(0,700px);gap:60px;justify-content:center;padding:80px 0 40px}
.toc{position:sticky;top:96px;align-self:start;font-size:14px}
.toc b{display:block;color:var(--faint);font-size:12px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}
.toc a{display:block;padding:7px 0 7px 14px;border-left:2px solid var(--line);color:var(--muted);line-height:1.35}
.toc a.on{border-color:var(--amber);color:#fff}
@media (max-width:1100px){.read{grid-template-columns:minmax(0,700px)}.toc{display:none}}
.body{font-size:20px;line-height:1.7;color:#d9d9de}
.body p{margin:0 0 1.15em}
.body h2{font-size:clamp(28px,3.4vw,38px);color:#fff;margin:1.9em 0 .6em;scroll-margin-top:90px}
.body strong{color:#fff;font-weight:700}
.body a{color:var(--sky);font-weight:600}
.body a:hover{text-decoration:underline}
.body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.body ul,.body ol{margin:0 0 1.15em 1.2em}
.body li{margin:.35em 0}
.body blockquote{border-left:3px solid var(--amber);padding:4px 0 4px 22px;color:#fff;font-size:23px;font-weight:600;margin:1.6em 0}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:40px}
.tags span{padding:8px 14px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:14px}
.share{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:28px;color:var(--faint);font-size:14px}
.share a,.share button{font:600 14px var(--font);padding:9px 15px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--line);color:#fff;cursor:pointer}
.me-card{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;max-width:820px;margin:60px auto 0;padding:34px;border-radius:30px;background:var(--studio);color:var(--ink)}
.me-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;object-position:center 22%}
.me-card h3{font-size:clamp(24px,2.6vw,32px)}
.me-card p{color:#2c2e33;font-size:17px;margin-top:6px}
.me-card .cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.me-card .btn.o{color:var(--ink);border:1px solid rgba(0,0,0,.2)}
@media (max-width:620px){.me-card{grid-template-columns:1fr;padding:26px}.me-card img{width:84px;height:84px}}
.next{padding:110px 0 120px}
.next h2{font-size:clamp(32px,4.4vw,52px);margin-bottom:36px}

/* article body — markdown and html sources */
.body h3{font-size:clamp(22px,2.4vw,27px);color:#fff;margin:1.6em 0 .5em;letter-spacing:-.02em;scroll-margin-top:90px}
.body h4{font-size:20px;color:#fff;margin:1.4em 0 .4em}
.body img{border-radius:18px;margin:1.4em 0}
.body code{font:500 .86em var(--mono);background:rgba(255,255,255,.08);padding:.12em .4em;border-radius:6px;color:#fff}
.body pre{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;overflow-x:auto;margin:1.4em 0;font-size:15px;line-height:1.55}
.body pre code{background:none;padding:0}
.body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:16px;line-height:1.45;display:block;overflow-x:auto}
.body th,.body td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.body th{color:#fff;font-weight:700}
.video{margin:2em 0}
.video iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:20px}
.cover.none{display:none}
.art-band.flat{padding-bottom:90px}

/* comments */
.comments{margin-top:70px;padding-top:40px;border-top:1px solid var(--line)}
.comments h2{font-size:clamp(26px,3vw,34px);margin-bottom:24px}
.comments-list{display:flex;flex-direction:column;gap:14px;margin-bottom:28px}
.comment-item{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px 20px}
.comment-item__header{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:8px;font-size:14px}
.comment-item__name{font-weight:700;color:#fff}
.comment-item__date{color:var(--faint)}
.comment-item__rating{color:var(--amber)}
.comment-item__text{color:#d9d9de;font-size:16px;line-height:1.55;white-space:pre-wrap}
.auth-gate,.comment-form{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:26px;display:flex;flex-direction:column;gap:12px}
.auth-gate__title,.comment-form__title{font-weight:700;font-size:19px;color:#fff}
.auth-gate__hint,.auth-gate__msg{color:var(--muted);font-size:15px}
.comment-input,.comment-textarea{font:400 16px var(--font);color:#fff;background:#0b0b0f;border:1px solid var(--line);border-radius:14px;padding:13px 15px;width:100%}
.comment-input:focus,.comment-textarea:focus{outline:none;border-color:var(--sky)}
.comment-textarea{resize:vertical;min-height:110px}
.comment-submit{align-self:flex-start;font:600 15px var(--font);padding:12px 22px;border-radius:999px;border:0;background:var(--sky);color:#fff;cursor:pointer}
.star-widget{display:flex;gap:4px}
.star-widget .star{font-size:24px;color:#3a3a40;cursor:pointer;transition:color .15s}
.star-widget .star.active{color:var(--amber)}
.empty{padding:60px 0;color:var(--muted);font-size:18px}