/* Page structures. Layout and material only; site-motion owns animation.
   data-design separates article/product pages from their active nav section. */
:root {
  --layout-max: 1280px;
  --layout-gutter: clamp(20px, 4.5vw, 64px);
  --font-book: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "Playfair Display", serif;
  --layout-moss: #315b54;
  --layout-blue: #384e75;
  --layout-plum: #745168;
  --layout-ochre: #8b642f;
}

[data-theme="dark"] {
  --layout-moss: #94c4b7;
  --layout-blue: #9fb9e2;
  --layout-plum: #d4acc5;
  --layout-ochre: #d3b47c;
}

.structure-eyebrow {
  display: block;
  font: 11px/1.6 var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

body[data-design] :where(h1, h2, h3) { text-wrap: balance; }
body[data-design] :where(a, button, summary, input):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
body[data-design] :where(section[id], article[id], nav[id], header[id]) { scroll-margin-top: 100px; }
body[data-design] [hidden] { display: none !important; }
html { scrollbar-gutter: stable; }
body[data-design] :where(input, textarea, select) { font-size:max(16px, 1em); }
.cursor-dot,.cursor-circle { visibility:hidden; }
.has-fancy-cursor .cursor-dot,.has-fancy-cursor .cursor-circle { visibility:visible; }
body.has-fancy-cursor .media-viewer,body.has-fancy-cursor .media-viewer * { cursor:auto; }
body.has-fancy-cursor .media-viewer button { cursor:pointer; }
body.has-fancy-cursor :is(input,textarea) { cursor:text; }
.footer { margin-top:40px; padding:0 var(--layout-gutter) 28px; }
.footer-lead,.footer-grid,.footer-bottom { width:min(100%, calc(var(--layout-max) - 2 * var(--layout-gutter))); margin-inline:auto; }
.footer-lead { display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:60px; padding:48px 0 44px; }
.footer-lead h2 { max-width:440px; font:500 clamp(26px,3vw,38px)/1.5 var(--font-book); letter-spacing:-.025em; }
.footer-grid { display:grid; grid-template-columns:240px minmax(0,1fr); gap:48px; padding-block:35px; border-top:1px solid var(--border); }
.footer-brand-desc { max-width:200px; line-height:1.9; }
.footer-nav { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; }
.footer-col a { min-height:38px; display:flex; align-items:center; font-size:12px; }
.footer-bottom { padding-top:24px; }
.subscribe-status { min-height:1.6em; }
.blog-results-meta { width:min(100%,var(--layout-max)); margin:0 auto; padding:0 var(--layout-gutter) 20px; min-height:52px; display:flex; align-items:center; justify-content:space-between; gap:20px; }
.blog-results-meta p { font:12px var(--font-mono); color:var(--text-secondary); }
.blog-results-meta button { min-height:44px; padding:8px 14px; color:var(--accent); border:1px solid var(--border); border-radius:4px; font:12px var(--font-sans); }
.blog-results-meta button span { margin-left:10px; }
.topic-item[aria-current] { color:var(--accent); }
.post-toc-link[aria-current="location"] { color:var(--accent); border-left-color:var(--accent); background:color-mix(in srgb,var(--accent) 7%,transparent); }
.post-body { overflow-wrap:anywhere; }
.post-body pre { overflow-x:auto; max-width:100%; }
.post-body table { display:block; max-width:100%; overflow-x:auto; }
.post-body :where(h1,h2,h3) { scroll-margin-top:110px; }
.post-tools summary span { transition:transform 180ms; }
.post-tools[open] summary span { transform:rotate(45deg); }
.lost-page { display:grid; grid-template-columns:minmax(0,1.5fr) minmax(180px,.7fr); align-items:center; gap:60px; width:min(100%,var(--layout-max)); margin:auto; min-height:72svh; padding:140px var(--layout-gutter) 80px; }
.lost-page h1 { font:500 clamp(36px,5.5vw,68px)/1.35 var(--font-book); letter-spacing:-.035em; margin:26px 0; }
.lost-page p { font-size:16px; line-height:1.9; color:var(--text-secondary); }
.lost-page nav { display:flex; align-items:center; flex-wrap:wrap; gap:24px; margin-top:32px; font-size:14px; }
.lost-page img { width:100%; height:auto; border-radius:50%; }
[data-design="blog"] :is(.article-row, .featured-card, .blog-featured, .blog-no-results).hidden { display: none !important; }

/* Home — a desk opening: voice on the left, signed portrait on the right. */
body[data-design="home"] { background: var(--bg); }
[data-design="home"] .hero--home {
  width: min(100%, var(--layout-max));
  padding: 104px var(--layout-gutter) 56px;
  min-height: 0;
}
.home-colophon {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 18px;
  margin-bottom: 44px;
  border-bottom: 1px solid var(--border);
  font: 11px/1.6 var(--font-mono);
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}
[data-design="home"] .hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 1fr);
  gap: 44px;
  align-items: center;
}
[data-design="home"] .hero-copy { min-width: 0; order: 0; }
[data-design="home"] .hero-title {
  font-family: var(--font-book);
  font-size: clamp(52px, 6.2vw, 86px);
  line-height: 1.22;
  font-weight: 600;
  letter-spacing: -0.055em;
}
[data-design="home"] .hero-kicker { color: var(--accent); }
[data-design="home"] .hero-thought { max-width: 470px; margin-top: 26px; margin-bottom: 18px; }
[data-design="home"] .hero-summary { display: grid; grid-template-columns: 1fr; gap: 0; max-width: 490px; }
[data-design="home"] .summary-card {
  min-height: 68px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto 14px;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
[data-design="home"] .summary-card::after { content: "↗"; color: var(--accent); }
[data-design="home"] .summary-card > * { margin: 0; }
[data-design="home"] .summary-card strong { font-size: 18px; }
[data-design="home"] .summary-card p { font-size: 12px; }
[data-design="home"] .summary-label { font-size: 10px; color: var(--text-muted); }
.home-portrait-column { min-width: 0; display: grid; justify-items: center; align-content: center; gap: 38px; padding: 24px 0 24px 28px; border-left: 1px solid var(--border); }
[data-design="home"] .hero-visual { width: min(100%, 340px); height: auto; aspect-ratio: 1; order: 0; }
.home-portrait-caption { width: 100%; padding-left: 36px; }
.home-portrait-caption > span { color: var(--accent); font: italic 30px/1.4 "Playfair Display", serif; }
.home-portrait-caption p { margin: 10px 0 20px; font: 17px/1.9 var(--font-book); }
.home-portrait-caption a { display: inline-flex; gap: 36px; align-items: center; min-height: 44px; color: var(--text-secondary); font-size: 12px; }
[data-design="home"] .section { width: min(100%, var(--layout-max)); padding: 64px var(--layout-gutter); }
[data-design="home"] .story-layout { grid-template-columns: minmax(0, 1.4fr) minmax(260px, 1fr); gap: 64px; }
[data-design="home"] .story-rail { padding-left: 28px; border-left: 1px solid var(--border); }
[data-design="home"] .about-quote { font-family: var(--font-book); }
[data-design="home"] .cta-panel { border: 0; border-top: 2px solid var(--text); border-radius: 0; background: transparent; padding: 36px 0; }

body[data-design="works"] { background: var(--bg); }

/* Blog — a quiet masthead, a front-page lead story, and a numbered catalogue. */
body[data-design="blog"] { --accent: var(--layout-blue); background: var(--bg); }

[data-design="blog"] .page-hero--blog { width: min(100%, var(--layout-max)); padding: 110px var(--layout-gutter) 34px; }
.blog-edition-line { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 2px solid var(--text); font: 11px/1.7 var(--font-mono); color: var(--text-secondary); }
[data-design="blog"] .blog-hero-grid { display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(240px, 1fr); gap: 48px; align-items: end; padding-top: 30px; }
[data-design="blog"] .page-title { font: 600 clamp(42px, 5.6vw, 72px)/1.35 var(--font-book); letter-spacing: -0.04em; margin: 0; }
[data-design="blog"] .page-title span { display: block; margin-top: 14px; font: 12px/1.6 var(--font-sans); letter-spacing: 0.28em; color: var(--accent); }
[data-design="blog"] .page-desc { font-size: 14px; line-height: 1.9; padding: 0 0 4px; margin: 0; }

.blog-front-grid { width: min(100%, var(--layout-max)); margin: 0 auto; padding: 8px var(--layout-gutter) 56px; display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(240px, 1fr); gap: 48px; align-items: stretch; }
[data-design="blog"] .blog-featured { width: auto; max-width: none; padding: 0; margin: 0; min-width: 0; }
[data-design="blog"] .featured-card { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: start; padding: 28px 0 26px; border: 0; border-top: 3px solid var(--text); border-bottom: 1px solid var(--border); border-radius: 0; background: linear-gradient(color-mix(in srgb, var(--accent) 4%, transparent), transparent 75%); box-shadow: none; }
[data-design="blog"] .featured-card::before { content: ""; position: absolute; top: 7px; bottom: auto; left: 0; right: 0; width: auto; border-top: 1px solid var(--text); background: none; padding: 0; }
[data-design="blog"] .featured-card:hover { border-top-color: var(--accent); box-shadow: none; }
[data-design="blog"] .featured-card-title { display: block; -webkit-line-clamp: unset; padding: 0; font: 600 clamp(27px, 3.1vw, 40px)/1.5 var(--font-book); margin: 20px 0 16px; overflow-wrap: anywhere; }
[data-design="blog"] .featured-card-excerpt { display: block; -webkit-line-clamp: unset; overflow: visible; padding: 0; font-size: 15px; line-height: 1.9; max-width: 58ch; margin-bottom: 24px; }
[data-design="blog"] .featured-card-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; padding: 0; margin: 0; color: var(--text-secondary); font-size: 10px; }
[data-design="blog"] .featured-badge { color: var(--accent); }
[data-design="blog"] .featured-read-more { margin-top: auto; padding: 20px 0 0; border-top: 1px solid var(--border); color: var(--accent); }

[data-design="blog"] .reading-index { padding: 30px 0 0 30px; margin: 0; border: 0; border-left: 1px solid var(--border); border-radius: 0; background: transparent; box-shadow: none; display: flex; flex-direction: column; gap: 0; }
[data-design="blog"] .reading-index-title { font: 500 22px/1.5 var(--font-book); margin: 10px 0 18px; }
[data-design="blog"] .reading-index a { display: grid; gap: 8px; padding: 18px 0; font-size: 14px; line-height: 1.8; white-space: normal; overflow: visible; border-bottom: 1px solid var(--border); }
[data-design="blog"] .reading-index a small { font: 10px/1.5 var(--font-mono); color: var(--accent); }
[data-design="blog"] .reading-index a:hover > span { color: var(--accent); }
[data-design="blog"] .reading-index-all { margin-top: auto; display: flex; justify-content: space-between; }

.blog-archive-heading { width: min(100%, var(--layout-max)); margin: 0 auto; padding: 26px var(--layout-gutter) 0; border-top: 3px solid var(--text); display: flex; align-items: baseline; gap: 20px; }
.blog-archive-kicker { font: 10px/1.6 var(--font-mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); }
.blog-archive-heading h2 { font: 500 clamp(26px, 3vw, 38px)/1.4 var(--font-book); }
.blog-archive-heading > span:last-child { margin-left: auto; color: var(--text-secondary); font-size: 12px; }

[data-design="blog"] .blog-filters { position: sticky; top: 70px; z-index: 60; width: min(100%, var(--layout-max)); max-width: var(--layout-max); padding: 14px var(--layout-gutter); margin: 0 auto; gap: 10px; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
[data-design="blog"] .blog-search { width: 100%; flex-basis: 100%; min-width: 0; border-radius: 0; background: transparent; border: 0; border-bottom: 1px solid var(--border); padding: 12px 0; margin-bottom: 6px; font-size: 15px; box-shadow: none; }
[data-design="blog"] .blog-search:focus-visible { outline: none; border-bottom-color: var(--accent); }
[data-design="blog"] .filter-tag { min-height: 44px; border-radius: 5px; }
[data-design="blog"] .blog-layout { width: min(100%, var(--layout-max)); max-width: var(--layout-max); padding: 8px var(--layout-gutter) 88px; margin: 0 auto; grid-template-columns: minmax(0, 1fr) 228px; gap: 52px; }
[data-design="blog"] .article-row { display: grid; grid-template-columns: 116px minmax(0, 1fr); gap: 28px; padding: 32px 0; border: 0; border-top: 1px solid var(--border); border-radius: 0; background: transparent; }
[data-design="blog"] .article-row--linked:hover { background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 6%, transparent), transparent 70%); }
[data-design="blog"] .article-row-meta { display: flex; flex-direction: column; align-items: start; gap: 9px; margin: 4px 0 0; font-size: 10px; }
.article-row-num { font: italic 500 23px/1.2 var(--font-book); letter-spacing: 0.02em; color: var(--accent); }
[data-design="blog"] .article-row-copy { min-width: 0; }
[data-design="blog"] .article-row-title { font: 500 clamp(22px, 2.4vw, 29px)/1.6 var(--font-book); margin: 0 0 12px; transition: color 0.2s ease-out; }
[data-design="blog"] .article-row--linked:hover .article-row-title { color: var(--accent); }
[data-design="blog"] .article-row-excerpt { font-size: 14px; line-height: 1.85; margin: 0 0 16px; }
.article-row-foot { display: flex; align-items: baseline; gap: 14px; }
.article-row-cat { font: 10px/1.6 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.article-row-leader { flex: 1 1 24px; min-width: 24px; border-bottom: 1px dotted color-mix(in srgb, var(--text) 32%, transparent); transform: translateY(-4px); transition: border-color 0.2s ease-out; }
[data-design="blog"] .article-row--linked:hover .article-row-leader { border-bottom-color: var(--accent); }
[data-design="blog"] .article-row-link { font-size: 12px; color: var(--accent); white-space: nowrap; }
[data-design="blog"] .aside-card { padding: 24px 0; background: transparent; border: 0; border-top: 2px solid var(--text); border-radius: 0; box-shadow: none; }
[data-design="blog"] .aside-stack { align-self: start; position: sticky; top: 150px; }
[data-design="blog"] .topic-item { padding-top: 12px; padding-bottom: 12px; }
.topic-leader { flex: 1 1 16px; min-width: 16px; margin: 0 10px; border-bottom: 1px dotted color-mix(in srgb, var(--text) 26%, transparent); transform: translateY(-3px); }
[data-design="blog"] .blog-no-results { width: min(100%, var(--layout-max)); padding: 24px var(--layout-gutter); margin: auto; }

/* Article — broad margins, author imprint, a quiet book-width text column. */
body[data-design="post"] { --accent: var(--layout-blue); background: var(--bg); }
[data-design="post"] .article-shell { max-width: var(--layout-max); padding: 110px var(--layout-gutter) 80px; }
.post-running-head { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-bottom: 20px; margin-bottom: 46px; border-bottom: 1px solid var(--text); }
.post-running-head > span { color: var(--text-secondary); font: 11px/1.6 var(--font-mono); }
.post-running-head .post-back { margin: 0; min-height: 44px; font-size: 12px; }
.post-cover { display: grid; grid-template-columns: 172px minmax(0, 1fr); gap: 48px; align-items: start; padding-bottom: 34px; border-bottom: 1px solid var(--border); }
.post-imprint { display: grid; gap: 12px; padding-top: 6px; color: var(--text-secondary); font: 11px/1.7 var(--font-mono); }
.post-imprint p { font: 19px/1.5 var(--font-book); color: var(--text); padding: 12px 0; }
[data-design="post"] .post-title { font-family: var(--font-book); font-size: clamp(32px, 4.4vw, 56px); font-weight: 600; line-height: 1.5; letter-spacing: -0.035em; max-width: none; }
[data-design="post"] .post-title--compact { font-size: clamp(30px, 3.6vw, 46px); }
[data-design="post"] .post-title--long { font-size: clamp(28px, 3.2vw, 40px); }
[data-design="post"] .post-cover-copy .post-meta { margin-bottom: 18px; color: var(--text-secondary); }
[data-design="post"] .post-deck { font-size: 16px; max-width: 64ch; line-height: 1.9; }
[data-design="post"] .post-tag-list { margin-bottom: 0; }
[data-design="post"] .post-tag { padding: 0 12px 0 0; border: 0; border-radius: 0; color: var(--accent); }
[data-design="post"] .post-reading-grid { display: grid; grid-template-columns: minmax(0, 740px) 220px; gap: 64px; justify-content: end; padding-top: 48px; }
[data-design="post"] .post-body { min-width: 0; max-width: 740px; font-size: 17px; line-height: 2.05; }
[data-design="post"] .post-body > :where(h2, h3) { font-family: var(--font-book); scroll-margin-top: 110px; }
[data-design="post"] .post-body > p { margin-bottom: 1.5em; }
[data-design="post"] .post-side-stack { align-self: start; position: sticky; top: 112px; width: auto; padding-top: 0; order: 0; }
[data-design="post"] .post-tools { border-radius: 0; border: 0; border-top: 2px solid var(--text); background: transparent; }
[data-design="post"] .post-tools summary { min-height: 44px; padding: 16px 0; font-size: 12px; }
[data-design="post"] .post-tools-panel { padding: 0; display: flex; flex-direction: column; gap: 20px; }
[data-design="post"] .post-toc { order: -1; }
[data-design="post"] .post-toc-list { max-height: 45svh; overflow-y: auto; overscroll-behavior: contain; }
[data-design="post"] .post-action-btn { width: 100%; min-height: 44px; border-radius: 4px; font-size: 12px; }
[data-design="post"] .post-action-row { margin-bottom: 0; }
[data-design="post"] .post-foot { margin-top: 70px; padding-top: 36px; border-top: 1px solid var(--text); }

/* Post footer — closing matter set in quiet rules, not boxed cards. */
[data-design="post"] .post-neighbor-nav { gap: 0 48px; margin-bottom: 0; }
[data-design="post"] .post-neighbor { min-height: 0; display: grid; gap: 10px; align-content: start; padding: 18px 0 22px; border: 0; border-top: 1px solid var(--border); border-radius: 0; background: transparent; box-shadow: none; }
[data-design="post"] .post-neighbor strong { font-family: var(--font-book); font-size: 19px; font-weight: 500; line-height: 1.55; }
[data-design="post"] .post-foot-grid { gap: 0 48px; }
[data-design="post"] .post-foot-grid--closing { margin-top: 0; }
[data-design="post"] .post-related-card { padding: 18px 0 24px; border: 0; border-top: 1px solid var(--border); border-radius: 0; background: transparent; box-shadow: none; }
[data-design="post"] .post-related-card strong { font-family: var(--font-book); font-size: 19px; font-weight: 500; line-height: 1.55; margin-bottom: 8px; }
[data-design="post"] .post-related-card p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 13px; margin-bottom: 12px; }
[data-design="post"] .post-related-link { font-size: 12px; color: var(--accent); }
@media (hover: hover) and (pointer: fine) {
  [data-design="post"] .post-neighbor:hover,
  [data-design="post"] .post-related-card:hover { border-top-color: var(--accent); box-shadow: none; }
  [data-design="post"] .post-neighbor:hover strong,
  [data-design="post"] .post-related-card:hover strong { color: var(--accent); }
}

/* Product — identity masthead, a brief, chapter tabs, then interface evidence. */
body[data-design="project"] { background: var(--bg); }
[data-design="project"][data-design-tone="knowledge"] { --accent: var(--layout-ochre); }
[data-design="project"][data-design-tone="collaboration"] { --accent: var(--layout-blue); }
[data-design="project"][data-design-tone="personal"] { --accent: var(--layout-moss); }
[data-design="project"][data-design-tone="agent-system"] { --accent: var(--layout-plum); }
[data-design="project"] .project-profile-hero { max-width: var(--layout-max); padding: 112px var(--layout-gutter) 44px; margin: auto; }
.project-file-ribbon { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-bottom: 20px; margin-bottom: 36px; border-bottom: 1px solid var(--border); color: var(--text-secondary); font: 11px/1.6 var(--font-mono); }
[data-design="project"] .project-profile-lockup { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 28px; }
[data-design="project"] .project-profile-icon-column { display: grid; align-content: start; justify-items: start; gap: 18px; }
[data-design="project"] .project-universe-identity-icon { width: 88px; height: 88px; border-radius: 20px; }
[data-design="project"] .project-profile-back { font-size: 10px; line-height: 1.7; max-width: 112px; min-height: 44px; }
[data-design="project"] .project-profile-path { display: block; margin-bottom: 14px; color: var(--accent); font-size: 11px; }
[data-design="project"] .project-profile-name-row { display: flex; justify-content: space-between; align-items: start; gap: 24px; }
[data-design="project"] .project-profile-name-row h1 { font-size: clamp(36px, 5vw, 62px); overflow-wrap: anywhere; }
[data-design="project"] .project-profile-title-tools { max-width: 390px; }
[data-design="project"] .project-profile-status[data-status="concept"] i { background: transparent; border: 1px solid var(--layout-ochre); box-shadow: none; }
[data-design="project"] .project-profile-access { flex-wrap: wrap; justify-content: flex-start; }
[data-design="project"] .project-profile-access .button-link { flex-shrink: 0; white-space: nowrap; }
[data-design="project"] .project-profile-access .button-link { min-height: 40px; font-size: 11px; padding: 10px 14px; border-radius: 4px; }
[data-design="project"] .project-profile-thesis { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(240px, 0.8fr); gap: 64px; margin-top: 48px; padding-top: 0; }
[data-design="project"] .project-profile-copy h2 { font: 500 clamp(28px, 3.3vw, 43px)/1.65 var(--font-book); max-width: 22ch; }
[data-design="project"] .project-profile-copy > p { max-width: 60ch; font-size: 15px; line-height: 1.9; margin-top: 18px; }
.project-brief { padding: 20px 0 20px 24px; border-left: 2px solid var(--accent); }
.project-brief > p { margin-top: 14px; color: var(--text-secondary); font-size: 13px; line-height: 1.9; }
.project-brief dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 20px; }
.project-brief dt { font-size: 10px; color: var(--text-secondary); margin-bottom: 6px; }
.project-brief dd { font-size: 14px; overflow-wrap: anywhere; }
.project-chapter-nav { display: flex; gap: 32px; flex-wrap: wrap; width: min(calc(100% - var(--layout-gutter) * 2), calc(var(--layout-max) - var(--layout-gutter) * 2)); margin: 0 auto 24px; border-block: 1px solid var(--border); }
.project-chapter-nav a { display: inline-flex; gap: 12px; align-items: center; min-height: 56px; color: var(--text-secondary); font-size: 12px; }
.project-chapter-nav a span { color: var(--accent); font-family: var(--font-mono); }
[data-design="project"] .project-showcase-index { border-radius: 0; }
[data-design="project"] .project-use-case-copy h3 { font-family: var(--font-book); }
[data-design="project"] .project-story-aside { border-top: 3px solid var(--accent); padding-top: 24px; }
[data-design="project"] .project-story-main h2 { font-family: var(--font-book); }

/* Connect — a signed letter paired with an address book. */
body[data-design="connect"] { --accent: var(--layout-moss); background: var(--bg); }
/* The old stage was a horizontal flex row with one child. The address header
   and the two-column layout now need their own full-width rows. */
[data-design="connect"] .connect-stage { display: block; max-width: var(--layout-max); padding: 108px var(--layout-gutter) 90px; margin: auto; }
.connect-address-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 18px; margin-bottom: 40px; border-bottom: 1px solid var(--text); }
.connect-address-head a { display: flex; gap: 28px; align-items: center; min-height: 44px; font-size: 12px; }
[data-design="connect"] .connect-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: start; }
[data-design="connect"] .connect-main { position: sticky; top: 112px; padding: 34px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 2px 2px 20px 2px; box-shadow: 6px 6px 0 var(--bg-alt); }
.connect-letter-to { font: 13px/1.7 var(--font-book); color: var(--text-secondary); }
[data-design="connect"] .connect-title { margin: 26px 0; font: 500 clamp(32px, 3.8vw, 48px)/1.55 var(--font-book); }
[data-design="connect"] .connect-desc { font-size: 15px; line-height: 2; }
[data-design="connect"] .connect-subscribe { margin-top: 30px; }
[data-design="connect"] .connect-direct { margin-top: 24px; font-size: 12px; overflow-wrap: anywhere; }
.connect-signature { display: block; margin-top: 34px; text-align: right; font: 500 22px/1.5 var(--font-book); color: var(--accent); }
.connect-address-book { min-width: 0; }
.connect-channel-head { padding: 8px 0 24px; border-bottom: 2px solid var(--accent); }
.connect-channel-head h2 { font: 500 28px/1.5 var(--font-book); }
.connect-channel-head p { margin-top: 8px; color: var(--text-secondary); font-size: 13px; }
[data-design="connect"] .connect-list { display: grid; gap: 0; }
[data-design="connect"] .connect-row { display: grid; grid-template-columns: minmax(0, 1fr) 88px; column-gap: 20px; row-gap: 8px; padding: 26px 0; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; background: transparent; align-items: start; }
[data-design="connect"] .connect-row-region { grid-column: 1; font: 10px/1.6 var(--font-mono); color: var(--accent); }
[data-design="connect"] .connect-row > strong { grid-column: 1; font-size: 21px; }
[data-design="connect"] .connect-row-desc { grid-column: 1; font-size: 12px; line-height: 1.8; }
[data-design="connect"] .connect-qr { grid-column: 2; grid-row: 1 / 4; width: 88px; height: 88px; margin: 0; }
[data-design="connect"] .connect-qr img { object-fit: contain; background: white; }
[data-design="connect"] .connect-qr:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
[data-design="connect"] .connect-qr:is(:hover, :focus-visible) { transform:none; z-index:auto; overflow:hidden; }
[data-design="connect"] .connect-qr.image-open::after { content:'放大'; top:auto; bottom:0; right:0; left:0; padding:4px; font-size:10px; border:0; border-radius:0; }
[data-design="connect"] .connect-row-arrow { grid-column: 2; grid-row: 1 / 4; justify-self: end; align-self: center; }

/* Account — the form is one half of an open passport. */
body[data-design="account"] { background: var(--bg); }
[data-design="account"] .account-shell { max-width: 1120px; padding: 108px var(--layout-gutter) 80px; }
.passport-running-head { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 20px; margin-bottom: 38px; border-bottom: 1px solid var(--pass-line-strong); font: 11px/1.6 var(--font-mono); color: var(--pass-copy); }
.passport-running-head a { min-height: 32px; display: inline-flex; gap: 16px; }
[data-design="account"] .passport-hero { gap: 0; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); border: 1px solid var(--pass-line-strong); border-radius: 16px 4px 4px 16px; overflow: hidden; background: var(--pass-paper-light); box-shadow: 0 14px 40px color-mix(in srgb, var(--text) 5%, transparent); align-items: stretch; }
[data-design="account"] .passport-intro { padding: 36px; border-right: 1px dashed var(--pass-line-strong); background: color-mix(in srgb, var(--pass-moss) 7%, var(--pass-paper-light)); }
[data-design="account"] .account-title { font-size: clamp(38px, 4vw, 58px); line-height: 1.15; }
[data-design="account"] .account-state-frame { border: 0; border-radius: 0; box-shadow: none; padding: 36px; min-width: 0; }
[data-design="account"] .account-frame-mark { position: static; display: block; margin-bottom: 28px; text-align: right; }
[data-design="account"] .account-state { min-width: 0; padding: 0; }
[data-design="account"] .account-state h2 { font: 500 26px/1.5 var(--pass-serif); }
[data-design="account"] .account-login-form { margin-top: 28px; }
[data-design="account"] .account-dashboard { padding-top: 40px; }

/* OS keeps its original centred boot scene in vimalinxos.css. */
[data-design="os"] .os-definition-thesis { position: sticky; top: 112px; align-self: start; }

/* Journey — a theatre programme before the stage, with four direct entrances. */
.journey-playbill { max-width: 1320px; margin: 0 auto; padding: 48px clamp(24px, 5vw, 72px) 80px; display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 44px; }
.journey-playbill > header { border-top: 1px solid currentColor; padding-top: 22px; }
.journey-playbill > header > span { font: 11px/1.6 var(--font-mono); opacity: 0.65; }
.journey-playbill h2 { font: 500 32px/1.6 var(--font-book); margin-top: 20px; }
.journey-playbill > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid color-mix(in srgb, currentColor 20%, transparent); }
.journey-playbill a { position: relative; display: grid; align-content: start; gap: 14px; padding: 26px 30px 30px 0; border-bottom: 1px solid color-mix(in srgb, currentColor 20%, transparent); }
.journey-playbill a:nth-child(even) { padding-left: 24px; border-left: 1px solid color-mix(in srgb, currentColor 20%, transparent); }
.journey-playbill a > span { font: 10px/1.6 var(--font-mono); opacity: 0.65; }
.journey-playbill strong { font-size: 21px; }
.journey-playbill p { font-size: 12px; line-height: 1.8; opacity: 0.75; }
.journey-playbill b { position: absolute; top: 28px; right: 16px; font-weight: 400; }
.journey-playbill a:hover strong { text-decoration: underline; text-underline-offset: 6px; }

/* Story studio — a writing guide, tool strip and a dedicated working canvas. */
body[data-design="studio"] { --accent: var(--layout-plum); background: var(--bg); }
[data-design="studio"] .dg-studio { max-width: 1600px; padding: 108px clamp(16px, 3vw, 48px) 48px; }
.studio-masthead { display: flex; justify-content: space-between; align-items: end; gap: 24px; padding-bottom: 26px; }
.studio-masthead h1 { margin-top: 12px; font: 500 clamp(26px, 3vw, 38px)/1.4 var(--font-book); }
.studio-masthead p { font-size: 12px; line-height: 1.8; color: var(--text-secondary); }
.studio-masthead a { display: inline-flex; gap: 16px; margin-left: 22px; min-height: 44px; align-items: center; }
.studio-workbench { display: grid; grid-template-columns: 174px minmax(0, 1fr); border: 1px solid var(--border); border-radius: 8px; overflow: clip; background: var(--bg-card); }
.studio-guide { padding: 26px 20px; border-right: 1px solid var(--border); background: var(--bg-alt); }
.studio-guide ol { list-style: none; margin: 30px 0; counter-reset: step; }
.studio-guide li { position: relative; margin-bottom: 30px; counter-increment: step; }
.studio-guide li::before { content: "0" counter(step); display: block; font: 10px var(--font-mono); color: var(--accent); margin-bottom: 8px; }
.studio-guide b { font-size: 13px; font-weight: 600; }
.studio-guide p { font-size: 11px; line-height: 1.9; color: var(--text-secondary); margin-top: 8px; }
.studio-guide summary { min-height: 44px; font-size: 12px; cursor: pointer; }
.studio-editor { min-width: 0; }
[data-design="studio"] .dg-topbar { padding: 18px 20px; border-bottom: 1px solid var(--border); gap: 12px 24px; }
[data-design="studio"] .dg-brand { flex: 1 1 280px; }
[data-design="studio"] .dg-actions { flex-basis: 100%; order: 3; }
[data-design="studio"] .dg-story-name { font-size: 21px; max-width: min(360px, 48vw); min-width: 0; width: 100%; }
[data-design="studio"] .dg-save-hint { font-size: 10px; }
[data-design="studio"] .dg-btn { border-radius: 5px; min-height: 36px; }
[data-design="studio"] .dg-btn--primary { color: var(--bg-card); }
[data-design="studio"] .dg-canvas { height: max(480px, calc(100svh - 320px)); border: 0; background-color: var(--bg-card); }
[data-design="studio"] .dg-drawer { border-left: 1px solid var(--border); border-radius: 0; }

@media (max-width: 1050px) {
  [data-design="home"] .hero-inner { grid-template-columns: minmax(0, 1.3fr) minmax(240px, 0.9fr); gap: 28px; }
  .home-portrait-column { padding-left: 16px; }
  .home-portrait-caption { padding-left: 16px; }
  [data-design="home"] .hero-avatar-wrapper { width: 200px; height: 200px; }
  [data-design="home"] .story-layout { gap: 32px; }
  [data-design="connect"] .connect-layout { gap: 32px; }
  [data-design="blog"] .blog-hero-grid, .blog-front-grid { gap: 28px; }
  [data-design="blog"] .blog-layout { grid-template-columns: minmax(0, 1fr) 180px; gap: 28px; }
  .post-cover { grid-template-columns: 140px minmax(0, 1fr); gap: 28px; }
  [data-design="post"] .post-reading-grid { grid-template-columns: minmax(0, 1fr) 180px; gap: 32px; }
  [data-design="project"] .project-profile-name-row { flex-direction: column; gap: 18px; }
  [data-design="project"] .project-profile-thesis { gap: 32px; }
  [data-design="connect"] .connect-main { padding: 24px; }
  [data-design="account"] .passport-intro, [data-design="account"] .account-state-frame { padding: 26px; }
  .journey-playbill { grid-template-columns: 170px minmax(0, 1fr); gap: 28px; }
  .studio-workbench { grid-template-columns: 1fr; }
  .studio-guide { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 12px 20px; border-right: 0; border-bottom: 1px solid var(--border); align-items: baseline; }
  .studio-guide ol { display: none; }
}

@media (max-width: 760px) {
  .footer { margin-top:24px; padding-inline:24px; }
  .footer-lead,.footer-grid,.footer-bottom { width:100%; }
  .footer-lead { grid-template-columns:1fr; padding-block:36px; gap:28px; }
  .footer-grid { grid-template-columns:1fr; gap:28px; }
  .footer-nav { grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
  .footer-col a { min-height:42px; }
  .post-tools:not([open]) { margin-bottom:0; }
  html:not(.js) .nav { position:relative; flex-wrap:wrap; }
  html:not(.js) .nav-menu-toggle { display:none; }
  html:not(.js) .nav-links { position:static; opacity:1; visibility:visible; pointer-events:auto; transform:none; width:100%; }
  .lost-page { grid-template-columns:1fr; gap:35px; padding-top:110px; }
  .lost-page img { width:130px; grid-row:1; }
  .home-colophon { margin-bottom: 28px; font-size: 10px; }
  [data-design="home"] .hero--home { padding-top: 96px; }
  [data-design="home"] .hero-inner { grid-template-columns: 1fr; gap: 34px; }
  [data-design="home"] .hero-title { font-size: clamp(45px, 8.2vw, 66px); }
  [data-design="home"] .hero-summary { max-width: none; }
  [data-design="home"] .summary-card { grid-template-columns: 32px minmax(0, 1fr) auto 12px; gap: 10px; }
  [data-design="home"] .summary-card strong { font-size: 16px; }
  [data-design="home"] .summary-card p { font-size: 10px; }
  .home-portrait-column { grid-template-columns: minmax(0, 1fr) minmax(100px, 0.8fr); gap: 20px; padding: 32px 0; border-left: 0; border-top: 1px solid var(--border); }
  [data-design="home"] .hero-visual { max-width: 250px; }
  [data-design="home"] .hero-avatar-wrapper { width: 150px; height: 150px; }
  [data-design="home"] .hero-avatar-ring { inset: -12px; }
  [data-design="home"] .hero-avatar-ring--outer { inset: -26px; }
  .home-portrait-caption { padding: 0; }
  .home-portrait-caption > span { font-size: 25px; }
  .home-portrait-caption p { font-size: 13px; }
  [data-design="home"] .section { padding-block: 44px; }
  [data-design="home"] .story-layout { grid-template-columns: 1fr; }
  [data-design="home"] .story-rail { padding-left: 20px; }
  [data-design="blog"] .page-hero--blog { padding-top: 100px; }
  .blog-edition-line { font-size: 9px; }
  [data-design="blog"] .blog-hero-grid, .blog-front-grid { grid-template-columns: 1fr; gap: 26px; }
  [data-design="blog"] .page-title { font-size: clamp(36px, 8vw, 52px); }
  [data-design="blog"] .reading-index { padding: 24px 0 0; border-left: 0; border-top: 1px solid var(--border); }
  [data-design="blog"] .featured-card-title { font-size: clamp(25px, 5.4vw, 34px); }
  [data-design="blog"] .blog-filters { top: 60px; }
  [data-design="blog"] .blog-layout { grid-template-columns: 1fr; }
  [data-design="blog"] .aside-stack { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  [data-design="blog"] .article-row { grid-template-columns: 1fr; gap: 14px; }
  [data-design="blog"] .article-row-meta { flex-direction: row; flex-wrap: wrap; align-items: baseline; }
  .article-row-num { font-size: 19px; }
  [data-design="blog"] .article-row-title { font-size: 22px; }
  .post-running-head { margin-bottom: 26px; }
  .post-running-head > span { font-size: 10px; }
  .post-cover { grid-template-columns: 1fr; gap: 24px; }
  .post-imprint { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 18px; }
  .post-imprint p { padding: 0; font-size: 15px; }
  .post-imprint .structure-eyebrow { width: 100%; }
  [data-design="post"] .post-reading-grid { display: flex; flex-direction: column; gap: 30px; padding-top: 30px; }
  [data-design="post"] .post-side-stack { position: static; order: -1; width: 100%; }
  [data-design="post"] .post-tools-panel { display: grid; grid-template-columns: minmax(0, 1fr) 140px; gap: 18px; }
  [data-design="post"] .post-toc-list { max-height: 180px; }
  [data-design="post"] .post-body { font-size: 16px; line-height: 2; }
  [data-design="post"] .post-title { font-size: clamp(28px, 5.6vw, 38px); }
  [data-design="project"] .project-profile-hero { padding-top: 100px; }
  [data-design="project"] .project-profile-lockup { grid-template-columns: 72px minmax(0, 1fr); gap: 20px; }
  [data-design="project"] .project-universe-identity-icon { width: 64px; height: 64px; }
  [data-design="project"] .project-profile-name-row h1 { font-size: clamp(30px, 6vw, 46px); }
  [data-design="project"] .project-profile-thesis { grid-template-columns: 1fr; gap: 24px; margin-top: 32px; }
  [data-design="project"] .project-profile-copy h2 { font-size: 28px; }
  .project-brief { padding: 18px 0 18px 20px; }
  .project-chapter-nav { gap: 24px; }
  [data-design="connect"] .connect-layout { grid-template-columns: 1fr; gap: 40px; }
  [data-design="connect"] .connect-main { position: static; padding: 26px; }
  [data-design="connect"] .connect-title { font-size: 36px; }
  [data-design="account"] .passport-hero { grid-template-columns: 1fr; }
  [data-design="account"] .passport-intro { border-right: 0; border-bottom: 1px dashed var(--pass-line-strong); }
  [data-design="account"] .passport-trust { margin-top: 18px; }
  [data-design="os"] .os-definition-thesis { position: static; }
  .journey-playbill { grid-template-columns: 1fr; padding-top: 32px; }
  .journey-playbill h2 br { display: none; }
  .journey-playbill strong { font-size: 17px; }
  .studio-masthead { display: block; }
  .studio-masthead p { margin-top: 16px; }
  .studio-masthead a { margin-left: 0; margin-right: 12px; }
  [data-design="studio"] .dg-topbar { padding: 16px 12px; }
  [data-design="studio"] .dg-brand { flex-basis: 100%; }
  [data-design="studio"] .dg-save-hint { margin-left: 0; }
  [data-design="studio"] .dg-story-name { max-width: none; }
  [data-design="studio"] .dg-actions { gap: 8px; }
  [data-design="studio"] .dg-btn { min-height: 44px; padding-inline: 12px; }
  [data-design="studio"] .dg-canvas { height: 60svh; min-height: 400px; }
}

@media (max-width: 390px) {
  .home-portrait-column { grid-template-columns: 1fr; justify-items: center; }
  .home-portrait-caption { text-align: center; }
  .home-portrait-caption a { justify-content: center; }
  [data-design="home"] .hero-visual { width: 230px; }
  [data-design="post"] .post-tools-panel { grid-template-columns: 1fr; }
  .post-running-head > span { max-width: 150px; text-align: right; }
  .journey-playbill > div { grid-template-columns: 1fr; }
  .journey-playbill a:nth-child(even) { border-left: 0; padding-left: 0; }
  [data-design="connect"] .connect-main { padding: 20px; }
}