/* =====================================================================
   Download webpage as PDF — article template
   Base: Anpdf (annotatepdf.app). Needs tokens.css loaded first.
   Faces: Montserrat (--font-sans) = headings + interface,
          Inter (--font-text)      = long reading text.
   ===================================================================== */

/* ---------- base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-sans);font-synthesis:none;color:var(--text);background:var(--panel);font-size:18px;line-height:1.5;-webkit-font-smoothing:antialiased;scrollbar-color:#a9aeb8 var(--workspace)}
h1,h2,h3,h4,p,ol,ul,figure,blockquote,dl,dd{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:5px}
::selection{background:var(--selection);color:var(--text)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
svg.i{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{width:min(1248px,calc(100% - 96px));margin-inline:auto}
.skip{position:absolute;left:16px;top:-120px;z-index:100;background:var(--paper);padding:10px 16px;border-radius:var(--radius-md);box-shadow:var(--shadow-pop)}
.skip:focus{top:12px}

/* ---------- buttons (Anpdf) ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:inherit;font-weight:500;font-size:18px;line-height:1.4;padding:10px 16px;cursor:pointer;text-decoration:none;background:var(--tint);color:var(--accent);border:1px solid var(--button-border);border-radius:var(--radius-md);transition:background-color 160ms,color 160ms,border-color 160ms}
.btn:hover{background:var(--accent-hover);color:#fff}
.btn:active{background:var(--accent-active);color:#fff}
.btn[aria-pressed=true]{background:var(--selected);color:var(--accent)}
.btn--lg{padding:16px 22px;min-height:56px}
.btn--ghost{background:var(--paper)}
.btn .arr,.brand-mark{font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
.btn .arr{font-size:22px;line-height:1}
.install{display:inline-flex;flex-direction:column;align-items:stretch;max-width:100%}
.install-note{margin-top:12px;font-size:16px;color:var(--muted);text-align:center}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--panel) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.site-header .wrap{height:80px;display:flex;align-items:center;gap:40px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;font-size:22px;letter-spacing:-.02em;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:var(--radius-md);background:var(--accent);color:#fff;font-size:18px;transform:rotate(-8deg);flex:none}
.nav{display:flex;gap:32px;margin-left:auto;font-weight:500;color:var(--muted)}
.nav a{text-decoration:none}
.nav a:hover,.nav a[aria-current]{color:var(--accent)}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(var(--p,0));background:var(--accent)}

/* ---------- article top ---------- */
.top{padding:40px 0 48px}
.top-inner{max-width:880px}
.crumbs ol{list-style:none;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:16px;color:var(--muted)}
.crumbs li{display:flex;align-items:center;gap:6px}
.crumbs li+li::before{content:"";width:7px;height:7px;border-right:1.6px solid currentColor;border-top:1.6px solid currentColor;transform:rotate(45deg);margin:0 6px 0 2px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.kicker{display:flex;align-items:center;gap:12px;margin-top:28px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:var(--radius-md);background:var(--tint);color:var(--accent);font-size:12px;font-weight:600;letter-spacing:.13em;text-transform:uppercase}
.badge svg.i{width:16px;height:16px}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);text-decoration:none}
.eyebrow:hover{text-decoration:underline}
.top h1{margin-top:16px;font-size:clamp(38px,4.4vw,60px);line-height:1.12;font-weight:600;letter-spacing:-.035em;text-wrap:balance}
.hl{background:linear-gradient(transparent 12%,var(--highlight) 12%,var(--highlight) 96%,transparent 96%);-webkit-box-decoration-break:clone;box-decoration-break:clone;padding:0 6px;margin:0 -6px;border-radius:var(--radius-sm)}
.lead{margin-top:24px;font-size:22px;line-height:1.5;max-width:720px;text-wrap:pretty}

.byline{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px 32px;margin-top:32px;padding-top:28px;border-top:1px solid var(--border)}
.author{display:flex;align-items:center;gap:14px}
.avatar{width:48px;height:48px;border-radius:var(--radius-full);object-fit:cover;background:var(--rule);flex:none}
.author-name{font-weight:600;font-size:17px;text-decoration:none}
.author-name:hover{color:var(--accent)}
.author-role{font-family:var(--font-text);font-size:15px;color:var(--muted)}
.meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-family:var(--font-text);font-size:15px;color:var(--muted)}
.meta span{display:inline-flex;align-items:center;gap:6px}
.meta svg.i{width:18px;height:18px}
.tags{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tags a{display:inline-block;padding:5px 12px;border-radius:var(--radius-full);background:var(--workspace);font-size:14px;font-weight:500;text-decoration:none;color:var(--text)}
.tags a:hover{background:var(--tint);color:var(--accent)}

.share{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.share-label{font-size:14px;font-weight:500;color:var(--muted);margin-right:4px}
.share a,.share button{display:inline-grid;place-items:center;height:40px;min-width:40px;padding:0 10px;border-radius:var(--radius-md);background:var(--paper);border:1px solid var(--border);color:var(--text);font:inherit;font-size:13px;font-weight:600;text-decoration:none;cursor:pointer;transition:background-color 160ms,color 160ms,border-color 160ms}
.share a:hover,.share button:hover{background:var(--tint);color:var(--accent);border-color:var(--button-border)}
.share .net{font-size:13px;letter-spacing:.02em}
.share .copy{display:inline-flex;gap:8px;padding:0 14px;color:var(--accent);background:var(--tint);border-color:var(--button-border)}
.share .copy svg.i{width:18px;height:18px}
.share .copy[data-copied] {background:var(--selected)}

/* ---------- large image under H1 (interactive figure) ---------- */
.cover{margin-top:8px}
.example{background:var(--workspace);border-radius:var(--radius-lg);padding:20px 26px 28px}
.example-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:20px;font-size:16px;color:var(--muted)}
.file{display:flex;align-items:center;gap:8px}
.file svg.i{color:var(--accent);width:22px;height:22px}
.switch{display:flex;gap:2px;background:var(--switch-track);padding:4px;border-radius:var(--radius-md)}
.switch .btn{padding:7px 12px;font-size:16px}
.stage{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.sheet{background:var(--paper);box-shadow:var(--shadow-paper);padding:34px 34px 80px;position:relative}
.doc-heading{font-weight:600;font-size:24px;letter-spacing:-.02em;display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.doc-dot{width:14px;height:14px;border-radius:50%;background:var(--rule-strong)}
.rule{height:7px;background:var(--rule);border-radius:var(--radius-sm);margin-top:12px}
.w95{width:95%}.w90{width:90%}.w80{width:80%}.w70{width:70%}.w60{width:60%}.w50{width:50%}
.pic{height:150px;margin-top:24px;border-radius:var(--radius-sm);background:var(--rule);position:relative}
.pic::before{content:"";position:absolute;left:12%;bottom:0;width:38%;height:64%;border-radius:999px 999px 0 0;background:var(--rule-strong)}
.pic::after{content:"";position:absolute;right:16%;top:26px;width:30px;height:30px;border-radius:50%;background:var(--highlight)}
.break{position:absolute;z-index:2;left:-35px;right:-35px;top:58%;height:var(--gap,20px);transform:translateY(-50%);background:var(--workspace);box-shadow:inset 0 6px 8px -6px #292a2e14,inset 0 -6px 8px -6px #292a2e14;display:flex;justify-content:center;align-items:center;transition:height 260ms ease}
.break span{background:var(--paper);color:var(--accent);font-size:14px;font-weight:500;padding:4px 10px;border-radius:var(--radius-md);box-shadow:var(--shadow-pop);white-space:nowrap;transition:opacity 200ms}
.sheet-note{position:absolute;right:34px;bottom:26px;color:var(--accent);font-size:18px;line-height:1.4;text-align:right;transition:opacity 200ms}
.sheet-note .mark{position:relative;isolation:isolate}
.sheet-note .mark::before{content:"";position:absolute;inset:2px -5px;background:var(--highlight);z-index:-1}
.annot{position:absolute;inset:-6px -8px;border:2px solid var(--accent);pointer-events:none;transition:opacity 200ms}
.cover-copy h2{font-size:26px;line-height:1.3;font-weight:600;letter-spacing:-.02em}
.cover-copy p{margin-top:12px;font-family:var(--font-text);font-size:17px;line-height:1.6;color:var(--muted)}
.cover-copy ul{list-style:none;padding:0;margin-top:20px;display:grid;gap:12px;font-size:17px}
.cover-copy li{display:flex;gap:10px;align-items:flex-start}
.cover-copy li svg.i{color:var(--accent);width:22px;height:22px;margin-top:1px}
[data-view=paged] .sheet-note,[data-view=paged] .annot{opacity:0}
[data-view=continuous] .break span{opacity:0}
[data-view=continuous]{--gap:0px}
.caption{margin-top:14px;font-family:var(--font-text);font-size:15px;line-height:1.5;color:var(--muted);text-align:center}

/* ---------- body grid ---------- */
.body{display:grid;grid-template-columns:280px minmax(0,760px);gap:64px;padding:56px 0 40px}

/* TOC — styled like the Anpdf toolbar dropdown */
.toc{position:sticky;top:104px;align-self:start;max-height:calc(100vh - 128px);overflow:auto;background:var(--paper);border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);padding:12px}
.toc summary{list-style:none;display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);padding:10px 12px 8px;cursor:default}
.toc summary::-webkit-details-marker{display:none}
.toc summary svg.i{display:none}
.toc ol{list-style:none;padding:0;display:grid;gap:2px}
.toc a{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:var(--radius-md);text-decoration:none;font-size:15px;font-weight:500;line-height:1.35;transition:background-color 160ms,color 160ms}
.toc a:hover{background:var(--tint);color:var(--accent)}
.toc a[aria-current]{background:var(--selected);color:var(--accent)}
.toc a svg.i{width:18px;height:18px;margin-left:auto;visibility:hidden}
.toc a[aria-current] svg.i{visibility:visible}
.toc .sub a{padding-left:28px;font-size:14px;font-weight:400;color:var(--muted)}
.toc .sub a[aria-current]{color:var(--accent)}
.toc-cta{margin:10px 0 0;padding:16px 12px 6px;border-top:1px solid var(--border)}
.toc-cta p{font-size:14px;line-height:1.45;color:var(--muted);margin-bottom:12px}
.toc-cta .btn{width:100%;font-size:16px}

/* ---------- prose ---------- */
.prose>*+*{margin-top:20px}
.prose h2{font-size:32px;line-height:1.25;font-weight:600;letter-spacing:-.03em;margin-top:72px;text-wrap:balance}
.prose h3{font-size:22px;line-height:1.35;font-weight:600;letter-spacing:-.02em;margin-top:40px}
.prose h2+*,.prose h3+*{margin-top:16px}
.prose>p,.prose>ul,.prose>ol,.prose td,.prose dd,.prose figcaption,.prose .tip p,.prose .note p,.promo p:not(.promo-eyebrow){font-family:var(--font-text)}
.prose>p,.prose>ul,.prose>ol:not(.steps){font-size:18px;line-height:1.7;letter-spacing:-.005em;text-wrap:pretty}
.prose>ul,.prose>ol:not(.steps){padding-left:0;list-style:none}
.prose>ul>li,.prose>ol:not(.steps)>li{position:relative;padding-left:30px}
.prose>ul>li+li,.prose>ol:not(.steps)>li+li{margin-top:8px}
.prose>ul>li::before{content:"";position:absolute;left:8px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.prose>ol:not(.steps){counter-reset:n}
.prose>ol:not(.steps)>li{counter-increment:n}
.prose>ol:not(.steps)>li::before{content:counter(n);position:absolute;left:0;top:.2em;width:22px;height:22px;border-radius:50%;background:var(--rule);font:500 13px/22px var(--font-sans);text-align:center}
.prose>p a,.prose>ul a,.prose>ol a,.step-text a,.prose dd a,.prose td a,.tip a,.note a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1.5px}
.prose>p a:hover,.prose>ul a:hover,.prose>ol a:hover,.step-text a:hover,.prose dd a:hover,.tip a:hover,.note a:hover{text-decoration-thickness:2.5px}
.prose b,.prose strong{font-weight:600}
.prose mark{color:inherit;background:linear-gradient(transparent 8%,var(--highlight) 8%,var(--highlight) 94%,transparent 94%);-webkit-box-decoration-break:clone;box-decoration-break:clone;padding:0 4px;margin:0 -4px;border-radius:var(--radius-sm)}
.ui{display:inline-block;font-family:var(--font-sans);font-size:.88em;font-weight:500;line-height:1.3;padding:1px 7px;border-radius:6px;background:var(--paper);border:1px solid var(--border);color:var(--text);white-space:nowrap}
.intro{font-size:20px!important;line-height:1.65!important}

/* short answer / highlighted block on its own background */
.answer{background:var(--workspace);border-radius:var(--radius-lg);padding:32px}
.answer-head{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:600;letter-spacing:-.02em}
.answer-head svg.i{color:var(--accent)}
.chip{margin-left:auto;font-size:14px;font-weight:500;letter-spacing:0;color:var(--muted);background:var(--paper);padding:4px 10px;border-radius:var(--radius-full)}
.answer>p{margin-top:14px;font-family:var(--font-text);font-size:18px;line-height:1.6}
.mini-steps{list-style:none;padding:0;margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mini-steps li{background:var(--paper);border-radius:var(--radius-md);padding:16px;font-family:var(--font-text);font-size:16px;line-height:1.45;color:var(--muted)}
.mini-steps b{display:flex;align-items:center;gap:10px;font-family:var(--font-sans);font-size:18px;font-weight:500;color:var(--text);margin-bottom:6px}
.mini-steps b span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--rule);font-size:16px}
.mini-steps li:last-child b span{background:var(--rule-strong);color:var(--accent)}

/* step-by-step instruction */
.steps{list-style:none;padding:0;counter-reset:s;display:grid;gap:0}
.steps>li{counter-increment:s;position:relative;display:grid;grid-template-columns:40px 1fr;gap:4px 18px;padding-bottom:28px}
.steps>li::before{content:counter(s);grid-row:span 3;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--rule);font-weight:500;font-size:17px;position:relative;z-index:1}
.steps>li:not(:last-child)::after{content:"";position:absolute;left:19.5px;top:44px;bottom:4px;width:1px;background:var(--border)}
.steps>li:last-child::before{background:var(--rule-strong);color:var(--accent)}
.step-title{font-size:19px;font-weight:600;letter-spacing:-.01em;line-height:1.4;padding-top:7px}
.step-text{font-family:var(--font-text);font-size:17px;line-height:1.65}
.step-result{display:flex;gap:8px;align-items:flex-start;margin-top:8px;font-family:var(--font-text);font-size:16px;line-height:1.55;color:var(--muted)}
.step-result svg.i{width:20px;height:20px;color:var(--accent);margin-top:2px}

/* figure / gif */
.media{background:var(--workspace);border-radius:var(--radius-lg);padding:20px}
.media img{border-radius:var(--radius-md);width:100%;box-shadow:var(--shadow-paper);background:var(--paper)}
.media figcaption{margin-top:14px;font-size:15px;line-height:1.5;color:var(--muted);text-align:center}
.gif{position:relative}
.gif-badge{position:absolute;left:12px;top:12px;font:600 11px/1 var(--font-sans);letter-spacing:.13em;padding:5px 8px;border-radius:6px;background:var(--text);color:#fff}

/* toolbar mock (as in Anpdf) */
.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:6px;background:var(--paper);border:1px solid var(--border);border-radius:var(--radius-lg);padding:10px 14px;box-shadow:var(--shadow-paper)}
.toolbar .t{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;color:var(--text)}
.toolbar .t[aria-current]{background:var(--selected);color:var(--accent)}
.toolbar .sep{width:1px;height:28px;background:var(--border);margin:0 8px}
.toolbar .dot{width:28px;height:28px;border-radius:50%;background:var(--accent)}
.toolbar .ring{width:28px;height:28px;border-radius:50%;border:2px solid var(--accent)}
.toolbar .slider{width:110px;height:6px;border-radius:999px;background:linear-gradient(90deg,var(--accent) 0 35%,var(--rule) 35%)}
.toolbar .val{font-size:16px;color:var(--muted);min-width:20px}

/* interactive callout — the whole block is the link (tag <a>) */
.callout{display:flex;gap:18px;align-items:center;padding:22px 24px;border-radius:var(--radius-lg);background:var(--paper);border:1px solid var(--border);text-decoration:none;color:var(--text);position:relative;transition:border-color 180ms,box-shadow 180ms,background-color 180ms}
.callout-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:var(--radius-md);background:var(--tint);color:var(--accent);flex:none;transition:background-color 180ms,color 180ms}
.callout-title{font-size:19px;font-weight:600;letter-spacing:-.01em;line-height:1.35}
.callout-title span{position:relative;isolation:isolate}
.callout-title span::before{content:"";position:absolute;inset:2px -4px;background:var(--highlight);z-index:-1;border-radius:var(--radius-sm);transform:scaleX(0);transform-origin:0 50%;transition:transform 260ms ease}
.callout-text{margin-top:4px;font-family:var(--font-text);font-size:16px;line-height:1.55;color:var(--muted)}
.callout-go{margin-left:auto;color:var(--accent);flex:none;transition:transform 180ms}
.callout:hover,.callout:focus-visible,.callout.is-active{border-color:var(--accent);box-shadow:var(--shadow-pop);outline:none}
.callout:hover .callout-icon,.callout:focus-visible .callout-icon,.callout.is-active .callout-icon{background:var(--accent);color:#fff}
.callout:hover .callout-title span::before,.callout:focus-visible .callout-title span::before,.callout.is-active .callout-title span::before{transform:scaleX(1)}
.callout:hover .callout-go,.callout:focus-visible .callout-go{transform:translateX(4px)}

/* file upload from the article */
.drop{display:grid;justify-items:center;text-align:center;gap:10px;padding:36px 24px;border:2px dashed var(--rule-strong);border-radius:var(--radius-lg);background:var(--workspace);transition:border-color 160ms,background-color 160ms;position:relative}
.drop.is-over{border-color:var(--accent);background:var(--tint)}
.drop-icon{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--paper);color:var(--accent);box-shadow:var(--shadow-paper)}
.drop-title{font-size:20px;font-weight:600;letter-spacing:-.01em}
.drop-text{font-family:var(--font-text);font-size:15px;color:var(--muted)}
.drop input{position:absolute;width:1px;height:1px;opacity:0}
.drop-file{display:none;align-items:center;gap:12px;width:100%;max-width:520px;margin-top:6px;padding:12px 14px;border-radius:var(--radius-md);background:var(--paper);border:1px solid var(--border);text-align:left}
.drop-file svg.i{color:var(--accent)}
.drop-file b{font-weight:500;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.drop-file span{font-family:var(--font-text);font-size:14px;color:var(--muted);white-space:nowrap}
.drop.has-file .drop-file{display:flex}
.drop-privacy{display:flex;align-items:center;gap:8px;font-family:var(--font-text);font-size:14px;color:var(--muted)}
.drop-privacy svg.i{width:18px;height:18px}

/* tables */
.table{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--paper)}
.table table{width:100%;border-collapse:collapse;font-size:16px;line-height:1.5;min-width:560px}
.table th{font-family:var(--font-sans);font-weight:600;font-size:14px;text-align:left;padding:14px 18px;background:var(--workspace);color:var(--text)}
.table td{padding:14px 18px;border-top:1px solid var(--border);vertical-align:top}
.table td:first-child{font-family:var(--font-sans);font-weight:500;min-width:140px}
.table .yes{color:var(--accent);font-weight:500}
.table .no{color:var(--muted)}

/* collection cards (подборка) */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{display:flex;flex-direction:column;gap:8px;padding:22px;border-radius:var(--radius-lg);background:var(--paper);border:1px solid var(--border);text-decoration:none;color:var(--text);transition:border-color 160ms,box-shadow 160ms}
a.card:hover{border-color:var(--accent);box-shadow:var(--shadow-pop)}
.card-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:var(--radius-md);background:var(--tint);color:var(--accent);margin-bottom:6px}
.card-title{font-size:19px;font-weight:600;letter-spacing:-.01em}
.card-text{font-family:var(--font-text);font-size:16px;line-height:1.55;color:var(--muted)}

/* tip / note */
.tip{display:flex;gap:16px;background:var(--tint);border-radius:var(--radius-lg);padding:22px 24px}
.tip svg.i{color:var(--accent);margin-top:3px}
.tip p{font-size:17px!important;line-height:1.6!important}
.tip b{color:var(--accent)}
.note{display:flex;gap:16px;background:var(--workspace);border-radius:var(--radius-lg);padding:22px 24px}
.note svg.i{color:var(--muted);margin-top:3px}
.note p{font-size:17px!important;line-height:1.6!important}

/* promo card: text + image + button */
.promo{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:28px;padding:32px;border-radius:var(--radius-lg);background:var(--paper);border:1px solid var(--border);box-shadow:var(--shadow-paper);overflow:hidden}
.promo-eyebrow{font-size:12px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--accent)}
.promo h3{margin-top:10px!important;font-size:26px;line-height:1.25;font-weight:600;letter-spacing:-.025em}
.promo p{margin-top:10px!important;font-size:17px!important;line-height:1.6!important;color:var(--muted)}
.promo .install{margin-top:22px}
.promo .install-note{text-align:left;font-size:14px}
.promo-img{border-radius:var(--radius-md);background:var(--workspace)}

/* problems → cause → fix */
.issues{display:grid;gap:12px}
.issue{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--paper);padding:22px 24px}
.issue-title{display:flex;gap:12px;align-items:center;font-size:19px;font-weight:600;letter-spacing:-.01em}
.issue-title svg.i{color:var(--accent)}
.issue dl{display:grid;grid-template-columns:72px 1fr;gap:8px 14px;margin-top:12px}
.issue dt{font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding-top:3px}
.issue dd{font-size:16px;line-height:1.6}

/* FAQ — question → answer */
.faq{display:grid;gap:10px}
.faq details{border-radius:var(--radius-lg);background:var(--paper);border:1px solid var(--border);transition:border-color 160ms}
.faq details[open]{border-color:var(--rule-strong);box-shadow:var(--shadow-paper)}
.faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;font-size:18px;font-weight:600;letter-spacing:-.01em;line-height:1.4}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--accent)}
.faq summary svg.i{color:var(--accent);transition:transform 200ms}
.faq details[open] summary svg.i{transform:rotate(45deg)}
.faq details>div{padding:0 24px 22px;font-family:var(--font-text);font-size:17px;line-height:1.65}

/* ---------- end of article ---------- */
.final{margin-top:72px;padding:48px;border-radius:var(--radius-lg);background:var(--workspace);display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px}
.final h2{margin:0!important;font-size:32px;line-height:1.2;font-weight:600;letter-spacing:-.03em}
.final p{margin-top:12px!important;font-size:18px!important;color:var(--muted)}
.final-actions{display:flex;flex-direction:column;align-items:stretch;gap:10px}

.author-card{margin-top:48px;display:grid;grid-template-columns:96px 1fr;gap:24px;padding:28px;border-radius:var(--radius-lg);background:var(--paper);border:1px solid var(--border)}
.author-card .avatar{width:96px;height:96px}
.author-card-label{font-size:12px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.author-card-name{display:block;margin-top:6px;font-size:22px;font-weight:600;letter-spacing:-.02em;text-decoration:none}
.author-card-role{font-family:var(--font-text);font-size:15px;color:var(--muted);margin-top:2px}
.author-card-bio{margin-top:12px!important;font-size:16px!important;line-height:1.6!important}
.author-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px;font-size:15px;font-weight:500}
.author-links a{color:var(--accent);text-decoration:none}
.author-links a:hover{text-decoration:underline}

.related{padding:72px 0 24px;border-top:1px solid var(--border);margin-top:40px}
.section-title{font-size:32px;line-height:1.25;font-weight:600;letter-spacing:-.03em}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.rel{display:flex;flex-direction:column;border-radius:var(--radius-lg);background:var(--paper);border:1px solid var(--border);overflow:hidden;text-decoration:none;transition:border-color 160ms,box-shadow 160ms}
.rel:hover{border-color:var(--accent);box-shadow:var(--shadow-pop)}
.rel-img{aspect-ratio:16/9;background:var(--workspace);display:grid;place-items:center;padding:20px}
.rel-img img{width:100%;height:100%;object-fit:contain}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-type{font-size:12px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--accent)}
.rel-title{font-size:19px;font-weight:600;letter-spacing:-.01em;line-height:1.35}
.rel-meta{margin-top:auto;padding-top:8px;font-family:var(--font-text);font-size:14px;color:var(--muted)}

.site-footer{border-top:1px solid var(--border)}
.site-footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px 0;flex-wrap:wrap}
.site-footer .brand{font-size:18px}
.site-footer nav{display:flex;gap:24px;font-size:16px;color:var(--muted)}
.site-footer nav a{text-decoration:none}
.site-footer nav a:hover{color:var(--accent)}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--text);color:#fff;padding:12px 18px;border-radius:var(--radius-md);font-size:16px;font-weight:500;box-shadow:var(--shadow-dialog);transition:opacity 200ms,transform 200ms;z-index:60}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .wrap{width:calc(100% - 64px)}
  .body{grid-template-columns:240px minmax(0,1fr);gap:40px}
  .stage{gap:18px}
  .sheet{padding:28px 24px 72px}
  .break{left:-25px;right:-25px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .body{grid-template-columns:minmax(0,1fr);gap:24px;padding-top:32px}
  .toc{position:static;max-height:none;box-shadow:none;border:1px solid var(--border)}
  .toc summary{cursor:pointer}
  .toc summary svg.i{display:block;width:20px;height:20px;transition:transform 200ms}
  .toc[open] summary svg.i{transform:rotate(180deg)}
  .stage{grid-template-columns:1fr}
  .nav{display:none}
  .site-header .btn{margin-left:auto}
}
@media (max-width:640px){
  html{scroll-padding-top:76px}
  .wrap{width:calc(100% - 32px)}
  .site-header .wrap{height:64px;gap:12px}
  .brand{font-size:17px}
  .brand-mark{width:28px;height:28px;font-size:16px}
  .site-header .btn{padding:8px 12px;font-size:15px}
  .site-header .btn .lbl-long{display:none}
  .brand{font-size:16px;white-space:normal;line-height:1.15;max-width:170px}
  .top{padding:24px 0 32px}
  .lead{font-size:19px}
  .byline{flex-direction:column;align-items:flex-start}
  .share-label{width:100%}
  .example{padding:16px 12px}
  .example-bar{flex-direction:column;align-items:stretch}
  .switch .btn{flex:1}
  .sheet{padding:22px 18px 70px}
  .break{left:-19px;right:-19px}
  .sheet-note{right:18px;font-size:16px}
  .prose h2{font-size:27px;margin-top:56px}
  .prose h3{font-size:20px}
  .prose>p,.prose>ul,.prose>ol{font-size:17px}
  .intro{font-size:18px!important}
  .answer{padding:22px 18px}
  .mini-steps{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .promo{grid-template-columns:1fr;padding:22px}
  .promo .install{width:100%}
  .final{grid-template-columns:1fr;padding:28px 22px}
  .final h2{font-size:26px}
  .author-card{grid-template-columns:1fr;padding:22px}
  .related-grid{grid-template-columns:1fr}
  .issue dl{grid-template-columns:1fr;gap:2px}
  .issue dd+dt{margin-top:8px}
  .callout{align-items:flex-start;padding:18px}
  .callout-go{display:none}
  .toolbar .slider{width:70px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}html{scroll-behavior:auto}}
@media print{.site-header,.share,.toc,.final,.related,.site-footer,.promo,.drop{display:none!important}.body{display:block}}
.author-card-bio,.final p,.cover-copy li{font-family:var(--font-text)}
.promo .promo-eyebrow{font-size:12px!important;line-height:1.4!important;color:var(--accent)!important;font-family:var(--font-sans)}