:root {
  --ce-blue:       #1e5ae0;
  --ce-blue-dark:  #1848b8;
  --ce-blue-light: #3b72e8;
  --ce-blue-faint: #e8eefd;
  --paper:         #ffffff;
  --paper-soft:    #f5f6fb;
  --ink:           #0c1b3a;
  --ink-body:      #1f2d4a;
  --ink-muted:     #5a6585;
  --ink-faint:     #8a93ac;
  --rule:          #dde1ed;
  --rule-soft:     #e8ebf3;
  --rule-dashed:   #c8cfe0;
  --sans:  'Inter', -apple-system, sans-serif;
  --mono:  'Inter', -apple-system, sans-serif;
  --content: 1000px;
  --wide:    1390px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { background: var(--paper); color: var(--ink-body); font-family: var(--sans); font-weight: 400; font-size: 17px; line-height: 1.7; }
a { color: var(--ce-blue); text-decoration: none; }

/* BREADCRUMBS */
.crumbs-bar { border-bottom: 1px solid var(--rule-soft); padding: 12px 0; }
.crumbs { max-width: var(--wide); margin: 0 auto; padding: 0 32px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-faint); display: flex; align-items: center; flex-wrap: wrap; }
.crumbs a { color: var(--ink-muted); border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.crumbs a:hover { border-bottom-color: var(--ink-muted); }
.crumbs .sep { margin: 0 10px; }
.crumbs .current { color: var(--ink); }

/* MASTHEAD */
.masthead { max-width: var(--content); margin: 0 auto; padding: 64px 32px 48px; }
.kicker { font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ce-blue); margin-bottom: 24px; display: flex; align-items: center; gap: 14px; font-weight: 500; }
.kicker::before { content: ''; width: 28px; height: 1px; background: var(--ce-blue); }
h1.title { font-weight: 800; font-size: clamp(32px, 5.5vw, 54px); line-height: 1.05; letter-spacing: -0.03em; color: var(--ink); margin-bottom: 24px; }
h1.title em { font-style: italic; font-weight: 500; color: var(--ce-blue); }
.deck { font-size: 19px;
    line-height: 170%;
    color: var(--ink-muted);
    max-width: 860px; margin-bottom: 32px; font-style: italic; font-weight: 400; }
.byline { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; padding-top: 20px; border-top: 1px solid var(--rule); font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.04em; color: var(--ink-muted); }
.byline .author { color: var(--ink); font-weight: 500; }
.byline .author-link { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; transition: color 0.15s; }
.byline .author-link:hover { color: var(--ce-blue); }
.byline-item { display: inline-flex; align-items: center; gap: 7px; }
.byline-icon { width: 16px; height: 16px; color: var(--ce-blue); flex-shrink: 0; }
.byline-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--ce-blue-faint); color: var(--ce-blue); font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 10px; border-radius: 4px; }

/* QUICK PICKS */
.quick-picks { background: var(--paper-soft); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 24px 32px; }
.quick-picks-inner { max-width: var(--wide); margin: 0 auto; }
.quick-picks-label { font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ce-blue); margin-bottom: 14px; }
.quick-picks-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.quick-pick-card { background: var(--paper); border: 1px solid var(--rule); border-radius: 8px; padding: 14px 16px; text-decoration: none; display: block; transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s; color: inherit; }
.quick-pick-card:hover { border-color: var(--ce-blue); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(30,90,224,0.10); color: inherit; }
.quick-pick-card .qp-label { font-family: var(--mono); font-size: 11px; font-weight: 500; color: var(--ce-blue); letter-spacing: 0.06em; margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.quick-pick-card .qp-label::after { content: '\2192'; font-size: 11px; opacity: 0; transform: translateX(-4px); transition: opacity 0.15s, transform 0.15s; margin-left: auto; }
.quick-pick-card:hover .qp-label::after { opacity: 1; transform: translateX(0); }
.quick-pick-card ol { list-style: none; counter-reset: pick-counter; margin: 0; padding: 0; }
.quick-pick-card ol li { counter-increment: pick-counter; display: flex; align-items: baseline; gap: 8px; font-size: 13px; color: var(--ink-muted); line-height: 1.5; padding: 4px 0; border-bottom: 1px solid var(--rule-soft); }
.quick-pick-card ol li:last-child { border-bottom: none; }
.quick-pick-card ol li::before { content: counter(pick-counter, decimal-leading-zero); font-family: var(--mono); font-size: 10px; font-weight: 500; color: var(--ce-blue); opacity: 0.7; flex-shrink: 0; width: 18px; }
.quick-pick-card ol li a { color: var(--ink-muted); text-decoration: none; }
.quick-pick-card ol li a:hover { text-decoration: underline; }

/* MOBILE TOC STICKY BAR */
.toc-sticky-bar { display: none; position: sticky; top: 60px; z-index: 90; background: var(--paper); border-bottom: 1px solid var(--rule); box-shadow: 0 2px 12px rgba(12,27,58,0.07); }
.toc-sticky-toggle { width: 100%; display: flex; align-items: center; gap: 10px; padding: 13px 20px; background: none; border: none; cursor: pointer; font-family: var(--sans); text-align: left; }
.toc-sticky-label { font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ce-blue); flex-shrink: 0; }
.toc-sticky-section { font-size: 13px; font-weight: 500; color: var(--ink); flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-align: left; }
.toc-sticky-chevron { color: var(--ink-muted); flex-shrink: 0; transition: transform 0.22s ease; }
.toc-sticky-bar.is-open .toc-sticky-chevron { transform: rotate(180deg); }
.toc-sticky-dropdown { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.toc-sticky-bar.is-open .toc-sticky-dropdown { max-height: 70vh; overflow-y: auto; border-top: 1px solid var(--rule-soft); }
.toc-sticky-dropdown ol { list-style: none; padding: 8px 0 12px; counter-reset: toc-s-counter; margin: 0; }
.toc-sticky-dropdown li { counter-increment: toc-s-counter; }
.toc-sticky-dropdown a { display: flex; align-items: center; gap: 12px; padding: 10px 20px; font-size: 14px; color: var(--ink-muted); text-decoration: none; transition: color 0.15s, background 0.15s; border-left: 2px solid transparent; }
.toc-sticky-dropdown a::before { content: counter(toc-s-counter, decimal-leading-zero); font-family: var(--mono); font-size: 10px; color: var(--ink-faint); flex-shrink: 0; width: 22px; }
.toc-sticky-dropdown a:hover { color: var(--ce-blue); background: var(--paper-soft); }
.toc-sticky-dropdown a.is-active { color: var(--ce-blue); font-weight: 600; border-left-color: var(--ce-blue); background: var(--ce-blue-faint); }
@media (max-width: 999px) { .toc-sticky-bar { display: none; } }
@media (max-width: 480px) { .toc-sticky-toggle { padding: 12px 16px; } .toc-sticky-dropdown a { padding: 10px 16px; font-size: 13.5px; } }

/* ARTICLE LAYOUT */
.article-layout { max-width: var(--wide); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 220px 1fr; gap: 48px; align-items: start; }
@media (min-width: 1200px) { .article-layout { grid-template-columns: 220px 1fr 280px; } .article-main { grid-column: 2 / 3; } }
@media (max-width: 999px) { .article-layout { grid-template-columns: 1fr; max-width: var(--content); padding: 0 24px; gap: 0; } }

/* TOC SIDEBAR */
.toc-sidebar { position: sticky; top: 76px; max-height: calc(100vh - 96px); overflow-y: auto; padding-top: 32px; scrollbar-width: thin; scrollbar-color: var(--rule) transparent; }
.toc-sidebar::-webkit-scrollbar { width: 3px; } .toc-sidebar::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 2px; }
.toc-head { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ce-blue); font-weight: 500; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--ce-blue); }
.toc-list { list-style: none; padding: 0; margin: 0; }
.toc-list li { border-bottom: 1px solid var(--rule-soft); }
.toc-list li:last-child { border-bottom: none; }
.toc-list a { display: block; padding: 7px 0 7px 10px; font-size: 12px; font-weight: 400; color: var(--ink-muted); line-height: 1.4; border-left: 2px solid transparent; transition: color 0.15s, border-color 0.15s, background 0.15s; text-decoration: none; }
.toc-list a:hover { color: var(--ce-blue); border-left-color: var(--ce-blue-faint); }
.toc-list a.is-active { color: var(--ce-blue); font-weight: 600; border-left-color: var(--ce-blue); background: var(--ce-blue-faint); border-radius: 0 4px 4px 0; }
.toc-count { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--rule-soft); letter-spacing: 0.04em; }
.toc-count strong { color: var(--ce-blue); }
@media (max-width: 999px) { .toc-sidebar { display: none; } }

/* INTRO */
.intro { padding: 40px 0 32px; }
.intro p { font-size: 19px; line-height: 1.7; color: var(--ink-body); margin-bottom: 20px; }
.intro p:first-child::first-letter { font-weight: 800; font-size: 68px; line-height: 0.85; float: left; margin: 10px 14px 0 -2px; color: var(--ce-blue); }
.intro a { color: var(--ce-blue); border-bottom: 1px solid var(--rule); transition: border-color 0.2s; }

/* ORNAMENT */
.rule-ornament { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 8px 0; }
.rule-ornament::before, .rule-ornament::after { content: ''; flex: 1; height: 1px; background: var(--rule); }
.rule-ornament .mark { color: var(--ce-blue); font-size: 12px; letter-spacing: 0.5em; padding-left: 0.5em; font-weight: 600; }

/* SECTIONS */
.section { padding: 60px 0 16px; scroll-margin-top: 70px; }
.section-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 14px; font-weight: 500; }
h2.section-title { font-weight: 700; font-size: clamp(26px, 3.8vw, 40px); line-height: 1.1; letter-spacing: -0.025em; color: var(--ink); margin-bottom: 16px; }
h2.section-title em { font-style: italic; font-weight: 500; color: var(--ce-blue); }
.section-lede { font-style: italic; font-size: 17px; line-height: 1.6; color: var(--ink-muted); max-width: 600px; margin-bottom: 24px; }
.section-lede a { color: var(--ce-blue); border-bottom: 1px solid var(--rule); transition: border-color 0.2s; }

/* SUBSECTION */
.subsec { padding: 44px 0 8px; scroll-margin-top: 70px; }
.subsec h3 { font-size: clamp(20px, 2.8vw, 27px); font-weight: 700; color: var(--ink); letter-spacing: -0.02em; margin-bottom: 10px; }
.subsec h3 em { font-style: italic; font-weight: 500; color: var(--ce-blue); }

/* PROSE */
.prose p { font-size: 17px; line-height: 1.75; color: var(--ink-body); margin-bottom: 18px; }
.prose p strong { font-weight: 600; color: var(--ink); }
.prose a { color: var(--ce-blue); border-bottom: 1px solid var(--rule); transition: border-color 0.2s; }

/* ROUTING GUIDE */
.routing-guide { background: var(--paper-soft); border: 1px solid var(--rule); border-radius: 8px; padding: 20px 24px 16px; margin: 24px 0 32px; }
.routing-guide-label { font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ce-blue); margin-bottom: 16px; }
.routing-guide ul { list-style: none; padding: 0; margin: 0; }
.routing-guide li { font-size: 15px; color: var(--ink-body); padding: 8px 0 8px 22px; position: relative; border-bottom: 1px solid var(--rule-soft); line-height: 1.55; }
.routing-guide li:last-child { border-bottom: none; }
.routing-guide li::before { content: '\2192'; position: absolute; left: 0; top: 9px; font-family: var(--mono); font-size: 11px; color: var(--ce-blue); }
.routing-guide li strong { color: var(--ink); font-weight: 600; }
.routing-guide li a { color: var(--ce-blue); border-bottom: 1px solid var(--rule); transition: border-color 0.2s; }

/* FEATURED LIST */
.featured-list { list-style: none; margin: 24px 0; padding: 0; counter-reset: feat-counter; }
.featured-list li { counter-increment: feat-counter; display: flex; align-items: baseline; gap: 14px; padding: 11px 0; border-bottom: 1px solid var(--rule-soft); font-size: 15.5px; color: var(--ink-body); line-height: 1.55; }
.featured-list li:last-child { border-bottom: none; }
.featured-list li::before { content: counter(feat-counter, decimal-leading-zero); font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--ce-blue); flex-shrink: 0; width: 26px; }

/* TOPIC LIST */
.topic-list { list-style: none; margin: 0 0 8px; padding: 0; }
.topic-list li { font-size: 15px; color: var(--ink-body); padding: 8px 0 8px 24px; position: relative; border-bottom: 1px dashed var(--rule-dashed); line-height: 1.55; }
.topic-list li:last-child { border-bottom: none; }
.topic-list li::before { content: ''; position: absolute; left: 0; top: 14px; width: 7px; height: 7px; border-radius: 50%; background: var(--ce-blue); }

/* SECTION NOTE */
.section-note { font-size: 14.5px; font-style: italic; color: var(--ink-muted); margin: 14px 0 0; line-height: 1.65; }
.section-note a { color: var(--ce-blue); border-bottom: 1px solid var(--rule); transition: border-color 0.2s; }

/* REGION NAV */
.region-nav { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 40px; }
.region-pill { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 500; color: var(--ink-body); background: var(--paper); border: 1.5px solid var(--rule); padding: 7px 13px 7px 9px; border-radius: 10px; text-decoration: none; white-space: nowrap; line-height: 1; box-shadow: 0 1px 4px rgba(12,27,58,0.07); transition: border-color 0.18s, background 0.18s, color 0.18s, transform 0.18s, box-shadow 0.18s; }
.region-pill:hover { background: var(--ce-blue-faint); border-color: var(--ce-blue); color: var(--ce-blue); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(30,90,224,0.13); }
.pill-icon { font-size: 15px; line-height: 1; flex-shrink: 0; display: inline-flex; align-items: center; }
.pill-tag { font-family: var(--mono); font-size: 9.5px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; background: var(--ce-blue); color: white; padding: 3px 6px 3px 5px; border-radius: 5px; flex-shrink: 0; line-height: 1.3; transition: background 0.18s; }
.region-pill:hover .pill-tag { background: var(--ce-blue-dark); }

/* INFO NOTE */
.info-note { background: var(--paper-soft); border: 1px solid var(--rule); border-left: 3px solid var(--ce-blue); border-radius: 0 8px 8px 0; padding: 16px 20px; margin: 24px 0; font-size: 15px; color: var(--ink-muted); line-height: 1.65; }
.info-note a { color: var(--ce-blue); border-bottom: 1px solid var(--rule); transition: border-color 0.2s; }

/* HOW TO CHOOSE LIST */
.howto-list { list-style: none; margin: 24px 0 0; padding: 0; counter-reset: howto-counter; }
.howto-list li { counter-increment: howto-counter; padding: 20px 0 20px 52px; border-bottom: 1px solid var(--rule-soft); position: relative; }
.howto-list li:last-child { border-bottom: none; }
.howto-list li::before { content: counter(howto-counter); position: absolute; left: 0; top: 22px; font-family: var(--mono); font-size: 13px; font-weight: 700; color: white; background: var(--ce-blue); border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; }
.howto-q { font-size: 16px; font-weight: 700; color: var(--ink); margin-bottom: 8px; line-height: 1.4; letter-spacing: -0.01em; }
.howto-body { font-size: 15.5px; color: var(--ink-body); line-height: 1.7; }
.howto-close { font-size: 16px; color: var(--ink-body); line-height: 1.75; margin: 20px 0 0; font-style: italic; }

/* INLINE CTA */
.inline-cta { margin: 36px 0 0; padding: 24px 0 0; border-top: 1px solid var(--rule); }
.inline-cta p { font-size: 17px; line-height: 1.7; color: var(--ink-body); font-style: italic; }
.inline-cta p a { color: var(--ce-blue); font-weight: 500; font-style: normal; border-bottom: 2px solid var(--ce-blue); padding-bottom: 1px; transition: color 0.15s, border-color 0.15s; }
.inline-cta p a:hover { color: var(--ce-blue-dark); border-color: var(--ce-blue-dark); }

/* TRUST BRIDGE */
.bridge { margin: 0; padding: 40px 0 24px; border-top: 1px solid var(--rule); }
.bridge p { font-size: 20px; line-height: 1.65; color: var(--ink); font-weight: 400; }
.bridge p a { color: var(--ce-blue); font-weight: 500; border-bottom: 2px solid var(--ce-blue); padding-bottom: 1px; transition: color 0.15s, border-color 0.15s; }

/* CLOSER */
.closer { margin: 24px 0 0; padding: 32px 0 40px; }
.closer-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ce-blue); margin-bottom: 16px; font-weight: 500; }
.closer p { font-size: 20px; line-height: 1.65; color: var(--ink); margin-bottom: 16px; }
.closer p:last-child { margin-bottom: 0; }
.closer p a { color: var(--ce-blue); font-weight: 500; border-bottom: 2px solid var(--ce-blue); padding-bottom: 1px; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--rule-soft); }
.faq-q { width: 100%; background: none; border: none; text-align: left; padding: 20px 0; cursor: pointer; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; font-family: var(--sans); }
.faq-q .q-text { font-size: 16px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.faq-icon { font-family: var(--mono); font-size: 20px; color: var(--ce-blue); line-height: 1; flex-shrink: 0; margin-top: 1px; transition: transform 0.2s; font-weight: 400; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { font-size: 15.5px; color: var(--ink-muted); line-height: 1.75; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding-bottom 0.2s; }
.faq-item.open .faq-a { max-height: 400px; padding-bottom: 20px; }

/* AUTHOR CARD */
.author-card { position: relative; margin: 48px 0 96px; padding: 32px 36px; border-radius: 18px; background: linear-gradient(135deg, #0c1b3a 0%, #142654 55%, #1a3478 100%); color: #e8eefd; overflow: hidden; isolation: isolate; box-shadow: 0 24px 60px -28px rgba(12,27,58,0.55), 0 1px 0 rgba(255,255,255,0.04) inset; }
.author-card::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px); background-size: 28px 28px; mask-image: radial-gradient(ellipse 80% 70% at 100% 0%, #000 0%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 80% 70% at 100% 0%, #000 0%, transparent 75%); pointer-events: none; z-index: 0; }
.author-card::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 12% 110%, rgba(59,114,232,0.35), transparent 55%); pointer-events: none; z-index: 0; }
.author-glow { position: absolute; top: -30%; right: -10%; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(59,114,232,0.45) 0%, rgba(59,114,232,0) 70%); filter: blur(20px); pointer-events: none; z-index: 0; }
.author-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 96px 1fr; gap: 26px; align-items: start; }
.author-avatar { position: relative; width: 96px; height: 96px; }
.author-ring { position: absolute; inset: -6px; border-radius: 50%; background: conic-gradient(from 220deg, #3b72e8, #7aa3ff, #1e5ae0, #3b72e8); animation: author-spin 8s linear infinite; opacity: 0.85; }
.author-ring::after { content: ''; position: absolute; inset: 4px; border-radius: 50%; background: #0c1b3a; }
@keyframes author-spin { to { transform: rotate(360deg); } }
.author-avatar img { position: relative; z-index: 2; width: 96px; height: 96px; border-radius: 50%; object-fit: cover; display: block; border: 2px solid rgba(255,255,255,0.08); }
.author-initials { display: none; position: relative; z-index: 2; width: 96px; height: 96px; border-radius: 50%; background: linear-gradient(135deg, #3b72e8, #1e5ae0); color: #fff; font-size: 32px; font-weight: 700; align-items: center; justify-content: center; border: 2px solid rgba(255,255,255,0.08); }
.author-tag { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 10.5px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: #7aa3ff; margin-bottom: 10px; }
.author-pulse { width: 7px; height: 7px; border-radius: 50%; background: #7aa3ff; animation: author-pulse 1.8s ease-out infinite; }
@keyframes author-pulse { 0% { box-shadow: 0 0 0 0 rgba(122,163,255,0.55); } 70% { box-shadow: 0 0 0 8px rgba(122,163,255,0); } 100% { box-shadow: 0 0 0 0 rgba(122,163,255,0); } }
.author-name { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; color: #fff; margin: 0 0 12px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; line-height: 1.2; }
.author-spec { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: #7aa3ff; padding: 4px 10px; border: 1px solid rgba(122,163,255,0.35); border-radius: 999px; background: rgba(59,114,232,0.08); }
.author-bio { font-size: 15px; line-height: 1.65; color: #c8d3ee; margin: 0 0 18px; max-width: 640px; }
.author-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }
.author-chip { display: inline-flex; align-items: center; gap: 7px; padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); font-size: 12.5px; font-weight: 500; color: #c8d3ee; }
.author-link-btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px; background: linear-gradient(135deg, #3b72e8, #1e5ae0); color: #fff !important; font-size: 13px; font-weight: 600; text-decoration: none !important; transition: transform 0.2s, box-shadow 0.2s; box-shadow: 0 6px 18px -6px rgba(59,114,232,0.55); }
.author-link-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px -6px rgba(59,114,232,0.75); }
@media (max-width: 640px) { .author-card { padding: 28px 22px; margin-bottom: 64px; } .author-grid { grid-template-columns: 1fr; gap: 20px; } }

/* MOBILE CTA */
.mobile-cta-wrap { display: none; max-width: var(--wide); margin: 0 auto; padding: 0 32px 48px; }
.mobile-cta-card { background: var(--paper); border: 1px solid var(--rule); border-radius: 12px; padding: 20px 20px 18px; box-shadow: 0 8px 24px rgba(12,27,58,0.08); }
.mobile-cta-card .pb-kicker { margin-bottom: 10px; }
.mobile-cta-card h4 { font-size: 15px; font-weight: 700; color: var(--ink); line-height: 1.25; letter-spacing: -0.01em; margin-bottom: 8px; }
.mobile-cta-card p { font-size: 13px; color: var(--ink-muted); line-height: 1.5; margin-bottom: 14px; }
@media (max-width: 1199px) { .mobile-cta-wrap { display: block; } }
@media (max-width: 768px) { .mobile-cta-wrap { padding: 0 20px 36px; } }
@media (max-width: 480px) { .mobile-cta-wrap { padding: 0 16px 28px; } }

/* KEEP READING */
.keep-reading { max-width: var(--wide); margin: 0 auto; padding: 56px 32px 96px; border-top: 1px solid var(--rule); }
.keep-reading-label { font-size: 28px; font-weight: 700; color: var(--ink); margin-bottom: 28px; letter-spacing: -0.01em; }
.keep-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.keep-card { background: #B8DFFF; border-radius: 14px; padding: 22px; text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: transform 0.25s, box-shadow 0.25s; overflow: hidden; }
.keep-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(30,90,224,0.18); color: inherit; }
.keep-card .keep-meta { font-size: 13px; color: var(--ink-body); margin: 0 0 12px; }
.keep-card h4 { font-weight: 700; font-size: 18px; line-height: 1.35; color: var(--ink); margin: 0 0 18px; letter-spacing: -0.01em; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.keep-card .keep-img { margin-top: auto; border-radius: 10px; overflow: hidden; background: #fff; }
.keep-card .keep-img img { width: 100%; height: 160px; object-fit: contain; display: block; }

/* PATTERN A */
.pa-modal-scrim { position: fixed; inset: 0; background: rgba(12,27,58,0.55); backdrop-filter: blur(2px); z-index: 200; display: none; align-items: center; justify-content: center; padding: 24px; }
.pa-modal-scrim.is-open { display: flex; animation: pa-scrim-in 0.22s ease-out; }
@keyframes pa-scrim-in { from { opacity: 0; } to { opacity: 1; } }
.pa-modal { background: var(--paper); border-radius: 14px; max-width: 460px; width: 100%; padding: 36px 32px 32px; position: relative; box-shadow: 0 24px 64px rgba(12,27,58,0.28); animation: pa-modal-in 0.28s cubic-bezier(0.16,1,0.3,1); }
@keyframes pa-modal-in { from { opacity: 0; transform: translateY(16px) scale(0.98); } to { opacity: 1; transform: none; } }
.pa-close { position: absolute; top: 14px; right: 14px; width: 32px; height: 32px; border: none; background: transparent; cursor: pointer; border-radius: 6px; color: var(--ink-muted); font-size: 18px; line-height: 1; transition: background 0.15s, color 0.15s; }
.pa-close:hover { background: var(--paper-soft); color: var(--ink); }
.pa-kicker { font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ce-blue); font-weight: 500; margin-bottom: 12px; }
.pa-modal h3 { font-size: 23px; font-weight: 700; line-height: 1.2; letter-spacing: -0.018em; color: var(--ink); margin-bottom: 12px; }
.pa-modal h3 em { font-style: italic; font-weight: 500; color: var(--ce-blue); }
.pa-body { font-size: 15px; line-height: 1.6; color: var(--ink-muted); margin-bottom: 22px; }
.pa-form { display: flex; gap: 8px; margin-bottom: 12px; }
.pa-form input[type="email"] { flex: 1; padding: 12px 14px; border: 1px solid var(--rule); border-radius: 7px; font-family: inherit; font-size: 14.5px; color: var(--ink); background: var(--paper); min-width: 0; }
.pa-form input[type="email"]:focus { outline: none; border-color: var(--ce-blue); box-shadow: 0 0 0 3px var(--ce-blue-faint); }
.pa-form button { background: var(--ce-blue); color: white; border: none; padding: 12px 20px; border-radius: 7px; font-family: inherit; font-weight: 600; font-size: 14px; cursor: pointer; white-space: nowrap; }
.pa-form button:hover { background: var(--ce-blue-dark); }
.pa-fineprint { font-size: 12px; color: var(--ink-faint); }
.pa-success { display: none; text-align: center; padding: 24px 0; color: var(--ce-blue); font-weight: 600; font-size: 16px; }
.pa-success.is-shown { display: block; }
.pa-form.is-hidden, .pa-fineprint.is-hidden { display: none; }

/* PATTERN B */
.pb-rail { display: none; position: sticky; top: 50%;transform: translateY(-50%); align-self: start; width: 100%; background: var(--paper); border: 1px solid var(--rule); border-radius: 12px; padding: 20px 20px 18px; box-shadow: 0 8px 24px rgba(12,27,58,0.08); opacity: 0; transition: opacity 0.4s; }
.pb-rail.is-visible { opacity: 1; }
.pb-kicker { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ce-blue); font-weight: 500; margin-bottom: 10px; }
.pb-rail h4 { font-size: 15px; font-weight: 700; color: var(--ink); line-height: 1.25; letter-spacing: -0.01em; margin-bottom: 8px; }
.pb-rail p { font-size: 13px; color: var(--ink-muted); line-height: 1.5; margin-bottom: 14px; }
.pb-link { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 600; color: var(--ce-blue); border-bottom: 1px solid var(--ce-blue); padding-bottom: 1px; transition: color 0.15s, border-color 0.15s; }
.pb-link:hover { color: var(--ce-blue-dark); border-color: var(--ce-blue-dark); }
.pb-link::after { content: '\2192'; font-weight: 400; }
@media (min-width: 1200px) { .pb-rail { display: block; } }

/* MOBILE TOC FAB */
.toc-fab { position: fixed; bottom: 24px; left: 24px; width: 52px; height: 52px; border-radius: 50%; background: var(--ce-blue); color: white; border: none; cursor: pointer; box-shadow: 0 6px 20px rgba(30,90,224,0.32); z-index: 80; display: flex; align-items: center; justify-content: center; padding: 0; transition: transform 0.2s, background 0.2s; }
.toc-fab:hover { background: var(--ce-blue-dark); transform: translateY(-2px); }
.toc-fab-icon { display: block; width: 18px; height: 12px; position: relative; }
.toc-fab-icon::before, .toc-fab-icon::after, .toc-fab-icon span { position: absolute; left: 0; right: 0; height: 2px; background: white; border-radius: 1px; }
.toc-fab-icon::before { content: ''; top: 0; }
.toc-fab-icon span { top: 5px; right: 4px; display: block; }
.toc-fab-icon::after { content: ''; top: 10px; right: 2px; }
.toc-backdrop { position: fixed; inset: 0; z-index: 70; background: rgba(12,27,58,0.3); backdrop-filter: blur(1px); opacity: 0; pointer-events: none; transition: opacity 0.2s; }
.toc-backdrop.is-open { opacity: 1; pointer-events: auto; }
.toc-panel { position: fixed; bottom: 88px; left: 24px; width: 300px; max-height: 70vh; overflow-y: auto; background: var(--paper); border: 1px solid var(--rule); border-radius: 12px; box-shadow: 0 12px 40px rgba(12,27,58,0.14); z-index: 80; opacity: 0; pointer-events: none; transform: translateY(8px) scale(0.98); transition: opacity 0.22s, transform 0.22s; }
.toc-panel.is-open { opacity: 1; pointer-events: auto; transform: none; }
.toc-panel-head { padding: 18px 20px 14px; border-bottom: 1px solid var(--rule-soft); position: sticky; top: 0; background: var(--paper); }
.toc-panel-kicker { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ce-blue); font-weight: 500; margin-bottom: 4px; }
.toc-panel-title { font-size: 15px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.toc-panel-list { list-style: none; padding: 8px 0; counter-reset: toc-counter; }
.toc-panel-list li { counter-increment: toc-counter; }
.toc-panel-list a { display: flex; align-items: center; gap: 12px; padding: 9px 20px; font-size: 13.5px; color: var(--ink-muted); transition: color 0.15s, background 0.15s; }
.toc-panel-list a::before { content: counter(toc-counter, decimal-leading-zero); font-family: var(--mono); font-size: 10px; color: var(--ink-faint); flex-shrink: 0; width: 22px; }
.toc-panel-list a:hover { color: var(--ce-blue); background: var(--paper-soft); }
.toc-panel-list a.is-active { color: var(--ce-blue); font-weight: 600; }
.toc-panel-footer { padding: 12px 20px 16px; font-family: var(--mono); font-size: 11px; color: var(--ink-faint); border-top: 1px solid var(--rule-soft); }
.toc-panel-footer strong { color: var(--ce-blue); }
@media (min-width: 1000px) { .toc-fab, .toc-backdrop, .toc-panel { display: none !important; } }

/* SECTION IMAGE */
.section-img {
  display: block;
  width: 100%;
  max-width: 720px;
  height: auto;
  margin: 28px auto 32px;
  border-radius: 12px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .masthead { padding: 40px 20px 32px; } .crumbs { padding: 0 20px; }
  .quick-picks { padding: 18px 20px; } .quick-picks-grid { grid-template-columns: 1fr 1fr; }
  .keep-reading { padding: 40px 20px 56px; } .keep-reading-label { font-size: 22px; margin-bottom: 18px; }
  .deck { font-size: 17px; } .intro p { font-size: 17px; }
  .intro p:first-child::first-letter { font-size: 56px; margin: 8px 12px 0 -2px; }
  .byline { font-size: 10.5px; gap: 6px 12px; } .byline-icon { width: 14px; height: 14px; }
  .section { padding: 44px 0 12px; } .subsec { padding: 28px 0 6px; }
  .region-nav { gap: 8px; } .region-pill { font-size: 12px; padding: 6px 11px 6px 8px; } .pill-icon { font-size: 14px; } .pill-tag { font-size: 9px; }
  .bridge p, .closer p { font-size: 17px; }
  .keep-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .info-note { padding: 14px 16px; font-size: 14px; }
  .howto-list li { padding: 18px 0 18px 44px; }
}
@media (max-width: 480px) {
  .masthead { padding: 32px 16px 28px; } .crumbs { padding: 0 16px; }
  .quick-picks { padding: 14px 16px; } .quick-picks-grid { grid-template-columns: 1fr; }
  .keep-reading { padding: 32px 16px 48px; } .article-layout { padding: 0 16px; }
  h1.title { font-size: clamp(28px, 8vw, 42px); } .deck { font-size: 15.5px; }
  .intro p { font-size: 16px; } .intro p:first-child::first-letter { font-size: 48px; }
  .byline-item:nth-child(4), .byline-item:nth-child(5) { display: none; }
  .section { padding: 36px 0 8px; } .subsec { padding: 22px 0 4px; } .subsec h3 { font-size: 19px; }
  .featured-list li { font-size: 14.5px; } .topic-list li { font-size: 14px; }
  .bridge p, .closer p { font-size: 16px; }
  .keep-grid { grid-template-columns: 1fr; gap: 10px; } .keep-card .keep-img { display: none; }
  .keep-reading-label { font-size: 20px; }
  .toc-panel { left: 12px; right: 12px; width: auto; bottom: 80px; } .toc-fab { bottom: 16px; left: 16px; }
  .pa-form { flex-direction: column; } .pa-modal { padding: 28px 16px 20px; } .pa-modal h3 { font-size: 19px; }
}