/* Editorial diagrams and book media blocks. Styled to the site design system. */
.data-visual{margin:0;padding:34px;background:#fff;border:1px solid var(--line,#dfe4ee);border-radius:18px;color:var(--ink,#0d1730);overflow:hidden;text-align:left;line-height:1.5;position:relative}
.data-visual figcaption>span{display:block;font-size:10px;font-weight:700;letter-spacing:.16em;color:var(--blue,#0f2d8f);margin-bottom:12px}
.data-visual figcaption>strong{display:block;font-family:'Barlow Condensed','Arial Narrow',sans-serif;font-size:40px;line-height:.98;letter-spacing:-.01em;text-transform:uppercase;font-weight:700}
.data-visual .diagram-note{font-size:12px!important;line-height:1.5!important;color:var(--muted,#5b6780);margin:22px 0 0}

/* chapter coverage */
.chapter-bars{display:grid;gap:14px;margin-top:26px}
.chapter-bar-row{display:grid;grid-template-columns:76px 1fr 28px 64px;align-items:center;gap:12px;font-size:13px;font-weight:500}
.chapter-bar-row small{font-size:10px;color:var(--muted,#5b6780)}
.chapter-bar-row b{text-align:right;color:var(--blue,#0f2d8f);font-family:'Barlow Condensed',sans-serif;font-size:18px}
.chapter-bar-track{height:18px;background:#eceff6;border-radius:4px;overflow:hidden}
.chapter-bar-track i{height:100%;background:var(--blue,#0f2d8f);display:block;border-radius:4px}
.chapter-bar-row:nth-child(4) i{background:var(--yellow,#ffcf08)}

/* skill map */
.skill-map-groups{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:26px}
.skill-map-groups h3{display:flex;align-items:center;gap:10px;font-size:14px;line-height:1.3;margin:0 0 10px}
.skill-map-groups h3 b{font-family:'Barlow Condensed',sans-serif;font-size:30px;color:var(--blue,#0f2d8f)}
.skill-map-groups ul{margin:0;padding:0;list-style:none;font-size:12px;line-height:1.85;color:var(--muted,#5b6780)}

/* RAG workflow */
.rag-workflow{background:var(--navy,#071540);color:#fff;border-color:var(--navy,#071540)}
.rag-workflow:before{content:'';position:absolute;inset:0;background:radial-gradient(60% 70% at 100% 0%,rgba(28,68,198,.55),transparent 70%);pointer-events:none}
.rag-workflow>*{position:relative}
.rag-workflow figcaption>span{color:var(--yellow,#ffcf08)}
.rag-question{margin:26px 0 18px;padding:14px 18px;border-left:3px solid var(--yellow,#ffcf08);background:rgba(255,255,255,.06);border-radius:0 8px 8px 0}
.rag-question span,.rag-question b{display:block}
.rag-question span{font-size:9px;letter-spacing:.14em;color:#c4d0f4;font-weight:700}
.rag-question b{font-size:16px;margin-top:6px;font-weight:500}
.rag-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.rag-steps li{padding:16px 14px;border:1px solid rgba(255,255,255,.2);position:relative;border-radius:10px;background:rgba(255,255,255,.04)}
.rag-steps li:not(:last-child):after{content:'→';position:absolute;right:-13px;top:40%;z-index:1;background:var(--navy,#071540);color:var(--yellow,#ffcf08);padding:0 2px}
.rag-steps span{display:block;font-size:9px;color:var(--yellow,#ffcf08);letter-spacing:.1em;font-weight:700}
.rag-steps strong{display:block;font-size:14px;line-height:1.4;margin:12px 0 8px}
.rag-steps small{display:block;font-size:11px;color:#c4d0f4;line-height:1.5}
.rag-workflow .diagram-note{color:#c4d0f4}

/* portfolio process */
.portfolio-process ol{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:0}
.portfolio-process li{display:flex;align-items:center;gap:18px;border-top:1px solid var(--line,#dfe4ee);padding:13px 0}
.portfolio-process li>b{font-family:'Barlow Condensed',sans-serif;font-size:28px;color:var(--blue,#0f2d8f)}
.portfolio-process li strong,.portfolio-process li span{display:block}
.portfolio-process li strong{font-size:15px}
.portfolio-process li span{font-size:12px;color:var(--muted,#5b6780)}

/* contexts */
.article-prose>.data-visual{margin:36px 0}
.project-visual>.data-visual{min-height:360px}
.article-card .data-visual{height:300px;padding:24px;border:0;border-radius:0;border-bottom:1px solid var(--line,#dfe4ee)}
.article-card .data-visual figcaption>strong{font-size:30px}
.article-card .data-visual figcaption>span{font-size:8px}
.article-card .data-visual .diagram-note{display:none}
.article-card .chapter-bars{gap:10px;margin-top:17px}
.article-card .chapter-bar-row{font-size:11px;grid-template-columns:60px 1fr 22px;gap:8px}
.article-card .chapter-bar-row small{display:none}
.article-card .chapter-bar-row b{font-size:15px}
.article-card .chapter-bar-track{height:12px}
.article-card .skill-map-groups{margin-top:16px;gap:14px}
.article-card .skill-map-groups ul{display:none}
.article-card .skill-map-groups h3{font-size:12px}
.article-card .rag-question{padding:10px;margin:17px 0 12px}
.article-card .rag-question b{font-size:12px}
.article-card .rag-steps{gap:8px}
.article-card .rag-steps li{padding:10px 8px}
.article-card .rag-steps strong{font-size:10px}
.article-card .rag-steps small{display:none}
.article-card .rag-steps span{font-size:7px}
.article-card .portfolio-process ol{margin-top:13px}
.article-card .portfolio-process li{padding:5px 0;gap:12px}
.article-card .portfolio-process li>b{font-size:20px}
.article-card .portfolio-process li span{display:none}
.article-card .portfolio-process li strong{font-size:12px}
.featured-article .data-visual{height:100%;min-height:380px}

/* book callout (blog index) */

/* launch banner (about) */
.book-launch-banner{background:var(--blue,#0f2d8f);color:#fff;overflow:hidden;position:relative}
.book-launch-banner:before{content:'';position:absolute;inset:0;background:radial-gradient(50% 70% at 0% 100%,rgba(255,207,8,.16),transparent 70%);pointer-events:none}
.book-launch-banner>.container{display:grid;grid-template-columns:1fr 1.2fr;align-items:center;gap:30px;position:relative}
.book-launch-banner .container>div{padding:72px 0;position:relative;z-index:1}
.book-launch-banner h2{font-size:clamp(48px,5vw,70px)}
.book-launch-banner h2 span{color:var(--yellow,#ffcf08)}
.book-launch-banner p{color:#d5def6;max-width:400px;font-size:16px}
.book-launch-banner .eyebrow{color:#dbe4ff}
.book-launch-banner img{width:140%;max-width:none;margin-left:-30%;height:auto}

/* section-specific image fits */
.author-section .author-layout{grid-template-columns:1.1fr 1fr;gap:56px}
.author-section .author-image-wrap>img{aspect-ratio:3/2;object-fit:cover}

@media(max-width:780px){
 .book-launch-banner>.container{grid-template-columns:1fr 1fr;gap:10px}
 .author-section .author-layout{grid-template-columns:1fr;gap:30px}
}
@media(max-width:600px){
 .data-visual{padding:22px}.data-visual figcaption>strong{font-size:32px}.data-visual figcaption>span{font-size:8px}
 .chapter-bar-row{grid-template-columns:64px 1fr 22px;gap:8px;font-size:12px}.chapter-bar-row small{display:none}
 .skill-map-groups{gap:20px 15px}.skill-map-groups h3{font-size:12px;gap:7px}.skill-map-groups ul{font-size:11px}
 .rag-steps{grid-template-columns:1fr;gap:16px}.rag-steps li{padding:12px 15px}.rag-steps li:not(:last-child):after{content:'↓';top:auto;bottom:-18px;right:50%}
 .rag-steps strong{margin:5px 0;font-size:14px}.rag-steps small{font-size:11px}
 .article-card .rag-steps{grid-template-columns:repeat(3,1fr);gap:8px}.article-card .rag-steps li:not(:last-child):after{content:'→';right:-11px;top:40%;bottom:auto}
 .project-visual>.data-visual{min-height:0}.featured-article .data-visual{min-height:0}
 .book-launch-banner>.container{grid-template-columns:1fr;gap:0}.book-launch-banner .container>div{padding:52px 0 0}.book-launch-banner img{width:100%;margin:10px 0 0;max-width:100%}
}

/* cinematic closing book banner */
/* About-page closing banner. Desktop follows the 8:3 photographic composition. */
.book-launch-banner.book-launch-redesign{position:relative;isolation:isolate;aspect-ratio:8/3;background:#031d50;color:#fff}
.book-launch-banner.book-launch-redesign:before{display:none}
.book-launch-redesign .book-launch-background{position:absolute;z-index:0;inset:0;width:100%;height:100%;max-width:none;margin:0;object-fit:cover}
.book-launch-banner.book-launch-redesign>.book-launch-inner{position:relative;z-index:1;display:block;width:84.5%;max-width:none;margin:0 auto}
.book-launch-banner.book-launch-redesign .book-launch-copy{width:57%;padding:3.55vw 0 4.5vw}
.book-launch-redesign .eyebrow{gap:.85vw;margin-bottom:1.65vw;color:#e7edff;font-size:.9vw;font-weight:400;letter-spacing:.34em}
.book-launch-redesign .eyebrow>span{width:.85vw;height:.85vw;border-radius:2px;background:#ffd000;box-shadow:none}
.book-launch-redesign h2{margin:0;color:#fff;font-size:5.65vw;font-weight:800;line-height:.91;letter-spacing:-.012em;text-shadow:0 3px 18px rgba(0,11,48,.15)}
.book-launch-redesign h2 span,.book-launch-redesign h2 em{display:block;white-space:nowrap}
.book-launch-redesign h2 span{color:#fff}
.book-launch-redesign h2 em{color:#ffd000;font-style:normal}
.book-launch-proofs{display:flex;align-items:center;gap:2.8vw;margin:1.8vw 0}
.book-launch-proofs>div{display:flex;align-items:center;gap:.95vw}
.book-launch-proofs>span{flex:0 0 1px;height:3vw;background:rgba(206,220,255,.65)}
.book-launch-proofs svg{width:3.2vw;height:3.2vw;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.book-launch-proofs strong{font-size:1.03vw;line-height:1.5;font-weight:500;letter-spacing:.035em;color:#fff;white-space:nowrap}
.book-launch-redesign .book-launch-copy>.button{min-height:4.5vw;padding:1.1vw 1.8vw;gap:.6vw;border-radius:1.15vw;background:#ffd000;color:#05235c;font-size:1.45vw;font-weight:700;box-shadow:0 20px 44px -22px rgba(255,202,0,.55)}
.book-launch-redesign .book-launch-copy>.button:hover{background:#ffdc36;transform:translateY(-3px);box-shadow:0 26px 50px -22px rgba(255,202,0,.7)}
.book-launch-redesign .book-launch-copy>.button:focus-visible{outline:3px solid #fff;outline-offset:6px}
.book-launch-redesign .book-launch-copy>.button .icon{width:1.8vw;height:1.8vw}
@media(max-width:1000px){
 .book-launch-banner.book-launch-redesign{display:flex;flex-direction:column;aspect-ratio:auto}
 .book-launch-banner.book-launch-redesign>.book-launch-inner{order:1;width:calc(100% - 72px)}
 .book-launch-banner.book-launch-redesign .book-launch-copy{width:100%;padding:48px 0 24px}
 .book-launch-redesign .eyebrow{gap:12px;margin-bottom:24px;font-size:12px}
 .book-launch-redesign .eyebrow>span{width:12px;height:12px}
 .book-launch-redesign h2{font-size:9.6vw;line-height:.96}
 .book-launch-proofs{gap:28px;margin:28px 0}
 .book-launch-proofs>div{gap:14px}
 .book-launch-proofs>span{height:48px}
 .book-launch-proofs svg{width:48px;height:48px}
 .book-launch-proofs strong{font-size:14px}
 .book-launch-redesign .book-launch-copy>.button{min-height:64px;padding:16px 26px;gap:12px;border-radius:16px;font-size:20px}
 .book-launch-redesign .book-launch-copy>.button .icon{width:26px;height:26px}
 .book-launch-redesign .book-launch-background{position:relative;order:2;inset:auto;width:100%;height:auto;aspect-ratio:1.65;object-fit:cover;object-position:right bottom;margin:-16px 0 0;max-width:100%;mask-image:linear-gradient(to bottom,transparent,#000 14%)}
}
@media(max-width:620px){
 .book-launch-banner.book-launch-redesign>.book-launch-inner{width:calc(100% - 40px)}
 .book-launch-banner.book-launch-redesign .book-launch-copy{padding:38px 0 22px}
 .book-launch-redesign .eyebrow{font-size:10px;letter-spacing:.3em;margin-bottom:22px}
 .book-launch-redesign h2{font-size:10.8vw;line-height:1}
 .book-launch-proofs{gap:16px;align-items:stretch;flex-direction:column;margin:24px 0}
 .book-launch-proofs>span{height:1px;width:100%;flex:auto;background:rgba(206,220,255,.28)}
 .book-launch-proofs>div{gap:14px}
 .book-launch-proofs svg{width:40px;height:40px}
 .book-launch-proofs strong{font-size:13px}
 .book-launch-redesign .book-launch-copy>.button{width:100%;min-height:60px;font-size:17px;padding:16px;border-radius:14px}
 .book-launch-redesign .book-launch-background{aspect-ratio:1.15;margin:0;mask-image:linear-gradient(to bottom,transparent,#000 10%)}
}
@media(prefers-reduced-motion:reduce){
 .book-launch-redesign .book-launch-copy>.button,.book-launch-redesign .book-launch-copy>.button .icon{transition:none;transform:none}
}

/* Four individually linked books in the About-page Blueprint series. */
.blueprint-series{background:radial-gradient(ellipse at 78% 70%,#e8edf5 0,transparent 46%),#f5f7fc;padding:clamp(64px,3.4vw,96px) 0 clamp(58px,3.2vw,88px);overflow:hidden}
.series-layout{width:88%;max-width:2240px;margin:0 auto;display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.12fr);gap:3.6vw;align-items:center}
.series-intro{position:relative;z-index:2}
.series-logo{width:clamp(54px,3.9vw,88px);height:auto;display:block;margin-bottom:24px;border-radius:50%}
.series-intro .eyebrow{font-size:clamp(10px,.72vw,16px);letter-spacing:.25em;margin-bottom:22px;gap:14px}
.series-intro .eyebrow>span{width:11px;height:11px;box-shadow:none}
.series-intro h2{font-size:clamp(38px,3.32vw,78px);font-weight:800;line-height:1.08;letter-spacing:-.015em}
.series-intro h2 em{display:block;white-space:nowrap;color:#112eb0;font-style:normal}
.series-intro>p:not(.series-mission){max-width:640px;font-size:clamp(15px,.95vw,21px);line-height:1.65;color:#6c7899;margin:18px 0 24px}
.series-intro>.button{min-height:clamp(56px,3.25vw,76px);font-size:clamp(15px,1vw,22px);gap:22px;padding:17px 30px;border-radius:12px;background:#1436a0}
.series-intro>.button .icon{width:22px;height:22px}
.series-intro .series-mission{display:flex;align-items:center;gap:20px;margin:28px 0 0;font-size:clamp(8px,.51vw,12px);font-weight:700;letter-spacing:.23em;color:#7f8eaf;white-space:nowrap}
.series-mission>span{width:60px;height:1px;background:#a4b1d0;flex-shrink:0}
.series-showcase{min-width:0;position:relative}
.series-header{display:flex;align-items:center;gap:24px;margin:0 0 18px 25px}
.series-header h3{font-family:var(--body);font-size:clamp(10px,.67vw,15px);font-weight:700;letter-spacing:.23em;white-space:nowrap;color:#183bb1}
.series-rule{height:1px;flex:1;background:#b5c2df}
.series-header p{margin:0;font-size:clamp(8px,.53vw,12px);font-weight:700;line-height:1.7;letter-spacing:.24em;color:#7b89ac;white-space:nowrap}
.series-yellow-rule{align-self:flex-start;width:30px;height:3px;background:#ffd108;margin-top:5px;flex-shrink:0}
.series-books{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr;gap:4px;align-items:end}
.series-item{min-width:0;position:relative}
.series-book-link{display:block;text-align:center;outline:none;border-radius:8px;-webkit-tap-highlight-color:rgba(15,45,143,.12)}
.series-book-stage{position:relative;display:block;aspect-ratio:2/3;isolation:isolate}
.series-book-stage:before{content:'';position:absolute;z-index:-1;inset:20% -5% 1%;border-radius:50%;background:radial-gradient(ellipse,rgba(63,110,222,.3),transparent 68%);opacity:0;transform:scale(.8);transition:opacity .6s var(--ease),transform .8s cubic-bezier(.22,1,.36,1)}
.series-book-stage:after{content:'';position:absolute;z-index:-1;bottom:2.5%;left:-10%;width:110%;height:5%;border-radius:50%;background:rgba(20,31,52,.3);filter:blur(8px);transform:skewX(-28deg);transition:opacity .75s cubic-bezier(.22,1,.36,1),transform .75s cubic-bezier(.22,1,.36,1)}
/* Book motion runs on custom properties: hover sets --lift/--s, app.js sets the pointer tilt (--rx/--ry) and glare position (--gx/--gy).
   Only transform and opacity animate, so the static drop-shadow is never repainted mid-hover. */
.series-book-stage{perspective:1100px}
.series-book-art{position:relative;display:block;width:100%;height:100%;filter:drop-shadow(2px 5px 2px rgba(15,24,50,.09));transform-origin:50% 85%;transform:translate3d(0,var(--lift,0px),0) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) scale(var(--s,1));transition:transform .6s cubic-bezier(.25,1.25,.5,1),opacity .45s var(--ease);will-change:transform}
.series-book-art:after{content:'';position:absolute;inset:0;clip-path:var(--book-clip);background:linear-gradient(105deg,transparent 42%,rgba(255,255,255,.42) 50%,transparent 58%) no-repeat -130% 0/260% 100%,radial-gradient(circle at var(--gx,50%) var(--gy,25%),rgba(255,255,255,.3),rgba(255,255,255,0) 48%);opacity:0;transition:opacity .5s var(--ease),background-position 1.1s cubic-bezier(.22,1,.36,1);pointer-events:none}
.series-cover{display:block;width:100%;height:100%;object-fit:contain;max-width:none;clip-path:var(--book-clip)}
/* The generator returned opaque previews; these contours isolate the actual books in the UI (shared by the cover and its glare). */
.series-item--ai-product-manager{--book-clip:polygon(5.5% 5.7%,7% 5%,10.2% 4.5%,12.4% 4.5%,94.7% 6.8%,95.1% 7.3%,95.1% 92.2%,94.5% 92.6%,12.5% 94.8%,10% 94.5%,6.2% 93.9%,5.5% 93.4%)}
.series-item--context-engineering{--book-clip:polygon(4.1% 4.4%,5.5% 3.9%,9.7% 3.4%,13.3% 3.7%,95.7% 5.9%,96.2% 6.3%,96.3% 94.5%,13.2% 96.4%,10% 96.5%,6.2% 95.8%,4.1% 94.9%)}
.series-item--one-person-agency{--book-clip:polygon(6.5% 6.6%,8% 5.7%,12% 4.9%,14.4% 4.8%,16% 5.1%,93% 7.7%,93.4% 8.1%,93.4% 92.7%,92.7% 93.2%,15.5% 95%,13.5% 95.1%,9% 94.6%,6.5% 93.6%)}
.series-item--digital-marketing{--book-clip:polygon(4.9% 5.1%,8.8% 4.5%,11% 4.3%,14.4% 4.8%,95.1% 6.9%,95.2% 93.9%,11.4% 95.6%,9.4% 95.5%,5.8% 94.9%,4.9% 94.4%)}
.series-book-label{display:flex;flex-direction:column;align-items:center;position:relative;margin-top:4px;gap:11px}
.series-book-marker{display:flex;align-items:center;justify-content:center;height:18px;font-size:10px;line-height:1;font-weight:800;letter-spacing:.16em;color:#172a65}
.series-book-marker:empty:before{content:'';width:42px;height:2px;background:#8999bf;transition:width .6s cubic-bezier(.22,1,.36,1),background .4s var(--ease)}
.is-featured .series-book-marker{background:#ffda08;padding:3px 13px;border-radius:20px}
.series-book-title{font-size:clamp(9px,.56vw,13px);font-weight:700;letter-spacing:.17em;line-height:1.65;color:#45567f;transition:color .4s var(--ease)}
.is-featured .series-book-title{color:#1935aa}
.series-book-action{position:absolute;top:calc(100% + 9px);font-size:11px;font-weight:600;color:#173aa4;opacity:0;transform:translateY(6px);transition:opacity .4s var(--ease),transform .55s cubic-bezier(.22,1,.36,1)}
.series-book-link{cursor:pointer}
.series-book-link:hover .series-book-art,.series-book-link:focus-visible .series-book-art{--lift:-14px;--s:1.08}
.series-book-link:hover .series-book-art:after,.series-book-link:focus-visible .series-book-art:after{opacity:1;background-position:230% 0,0 0}
.series-book-link:hover .series-book-action,.series-book-link:focus-visible .series-book-action{opacity:1;transform:none}
.series-book-link:hover .series-book-title,.series-book-link:focus-visible .series-book-title{color:#1935aa}
.series-book-link:hover .series-book-marker:empty:before,.series-book-link:focus-visible .series-book-marker:empty:before{width:64px;background:#ffd108}
@media(hover:hover) and (pointer:fine){
 .series-books:has(.series-book-link:hover) .series-book-link:not(:hover) .series-book-art{--lift:0px;--s:.97;opacity:.82}
}
/* Books rise in one after another when the row scrolls into view (reveal classes come from app.js) */
/* Entrance (classes from app.js): series-armed hides the row, series-in deals the books in left to right.
   Each cover swings up out of a slight 3D lean and settles; its label follows. Stage animates, so the art's hover transform stays free. */
.series-item{--deal:0ms}
.series-item:nth-child(2){--deal:130ms}.series-item:nth-child(3){--deal:260ms}.series-item:nth-child(4){--deal:390ms}
.series-armed:not(.series-in) :is(.series-book-stage,.series-book-label,.series-annotation,.series-rays){opacity:0}
.series-in .series-book-stage{transform-origin:50% 100%;animation:series-deal 1.05s cubic-bezier(.2,.9,.25,1) var(--deal) backwards}
.series-in .series-book-label{animation:series-label .7s cubic-bezier(.22,1,.36,1) calc(var(--deal) + 380ms) backwards}
.series-in .series-annotation{animation:series-note .7s cubic-bezier(.25,1.18,.5,1) 780ms backwards}
.series-annotation path{stroke-dasharray:1;stroke-dashoffset:0}
.series-in .series-annotation path{animation:series-arrow-draw .5s cubic-bezier(.4,0,.2,1) 1.02s backwards}
.series-in .series-rays{animation:series-rays .6s cubic-bezier(.3,1.4,.6,1) 800ms backwards}
@keyframes series-deal{0%{opacity:0;transform:perspective(1000px) translate3d(-34px,46px,0) rotateY(-24deg) rotateZ(-3deg) scale(.9)}35%{opacity:1}70%{transform:perspective(1000px) translate3d(0,-5px,0) rotateY(2deg) rotateZ(0) scale(1.005)}100%{transform:perspective(1000px) translate3d(0,0,0) rotateY(0) rotateZ(0) scale(1)}}
@keyframes series-label{from{opacity:0;transform:translateY(12px)}}
@keyframes series-note{0%{opacity:0;scale:.75;translate:-8px 6px}45%{opacity:1}}
@keyframes series-arrow-draw{from{stroke-dashoffset:1}}
@keyframes series-rays{from{opacity:0;scale:.4}}
.series-book-link:focus-visible{outline:3px solid #2349b7;outline-offset:5px}
.series-annotation{position:absolute;z-index:3;left:-31%;top:-1%;width:100px;white-space:nowrap;transform:rotate(-12deg);scale:1.12;transform-origin:88% 82%;font:italic 23px Georgia,serif;color:#203fb7;pointer-events:none}
.series-annotation svg{display:block;width:60px;height:50px;margin-left:30px;transform:rotate(12deg)}
.series-rays{position:absolute;left:-10%;top:24%;width:36px;height:60px;pointer-events:none}
.is-featured:before{display:none;content:'';position:absolute;left:-10%;top:29%;width:25px;height:40px;background:linear-gradient(#ffda00,#ffda00) left 50%/24px 4px no-repeat;transform:rotate(-3deg)}
@media(min-width:1800px){.series-layout{width:88%}.series-header{margin-bottom:25px}.series-book-label{margin-top:6px}.series-book-marker{height:21px;font-size:12px}}
@media(max-width:1250px){
 .series-layout{width:90%;grid-template-columns:1fr;gap:44px}
 .series-intro{max-width:850px}.series-intro h2{font-size:clamp(44px,5.3vw,66px)}
 .series-intro>p:not(.series-mission){max-width:680px;font-size:17px}
 .series-intro .series-mission{font-size:9px}
 .series-showcase{width:100%}.series-header{margin-left:0}
 .series-header h3{font-size:13px}.series-header p{font-size:10px}
 .series-annotation,.series-rays{display:none}.is-featured:before{display:none}
 .series-book-title{font-size:11px}.series-book-action{opacity:1;transform:none}
}
@media(max-width:650px){
 .blueprint-series{padding:48px 0 42px}.series-layout{width:calc(100% - 40px);gap:40px}
 .series-logo{width:58px;margin-bottom:22px}.series-intro .eyebrow{font-size:10px;letter-spacing:.2em}
 .series-intro h2{font-size:clamp(37px,7.2vw,47px);line-height:1.04}.series-intro h2 em{white-space:normal}
 .series-intro>p:not(.series-mission){font-size:15px;margin:18px 0 23px}
 .series-intro>.button{width:100%;gap:16px;font-size:15px}
 .series-intro .series-mission{white-space:normal;font-size:8px;line-height:1.8;gap:13px;margin-top:24px}.series-mission>span{width:32px}
 .series-header{gap:14px;margin-bottom:20px;flex-wrap:wrap}.series-header h3{font-size:10px}.series-header p{font-size:8px}.series-yellow-rule{display:none}
 .series-books{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 10px;align-items:start}
 .series-book-stage{aspect-ratio:2/3}.series-book-title{font-size:9px;letter-spacing:.1em}.series-book-label{gap:8px;margin-top:3px}.series-book-marker{font-size:9px}
 .series-book-action{font-size:10px}.is-featured .series-book-art{--s:1.025}
}
@media(prefers-reduced-motion:reduce){
 .series-book-art,.series-book-action,.series-book-stage:before,.series-book-stage:after{transition:none!important}
 .series-book-link:hover .series-book-art,.series-book-link:focus-visible .series-book-art{transform:none}
}

/* ==========================================================================
   Blog glossary promo (.bx): white band, heading + count + big CTA, three-row term marquee
   ========================================================================== */
.bx{position:relative;overflow:hidden;isolation:isolate;background:#fff;padding:clamp(88px,10vw,136px) 0 clamp(80px,9vw,120px)}
.bx-bg{position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(60% 50% at 90% 0%,rgba(28,68,198,.07),transparent 70%),radial-gradient(40% 40% at 0% 100%,rgba(255,207,8,.1),transparent 70%)}
.bx-head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(40px,6vw,96px);align-items:end}
.bx .eyebrow{margin-bottom:22px}
.bx h2{font-size:clamp(46px,5.6vw,84px);line-height:.92;margin:0}
.bx h2>span,.bx h2>em{display:block}
.bx-side{display:grid;gap:22px;justify-items:start}
.bx-count{display:flex;align-items:center;gap:16px}
.bx-count b{font-family:var(--display);font-size:clamp(64px,6vw,88px);line-height:.8;font-weight:800;color:var(--blue);font-variant-numeric:tabular-nums}
.bx-count span{font-size:12px;font-weight:700;letter-spacing:.14em;line-height:1.5;text-transform:uppercase;color:var(--ink);padding-left:16px;border-left:3px solid var(--yellow)}
.bx-side p{margin:0;max-width:430px;font-size:16px;line-height:1.75}
.bx-button{min-height:66px;padding:20px 34px;font-size:17px;border-radius:14px;gap:16px}
.bx-button .icon{width:20px;height:20px}

.bx-marquee{margin-top:clamp(56px,6vw,84px);display:grid;gap:16px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.bx-row{display:flex;width:max-content}
.bx-track{list-style:none;margin:0;padding:0 16px 0 0;display:flex;gap:16px;flex-shrink:0}
.bx-track a{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;padding:15px 24px;border-radius:999px;background:var(--soft);border:1px solid var(--line);font-size:17px;font-weight:600;color:var(--ink);transition:background .3s,color .3s,border-color .3s,transform .3s var(--ease),box-shadow .3s}
.bx-track a:before{content:'';width:8px;height:8px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 4px rgba(255,207,8,.22);transition:background .3s}
.bx-row:nth-child(2) .bx-track a{background:#fff}
.bx-track a:hover{background:var(--blue);border-color:var(--blue);color:#fff;transform:translateY(-3px);box-shadow:0 14px 26px -12px rgba(15,45,143,.55)}

@media (prefers-reduced-motion:no-preference){
 .bx-row-l{animation:bx-marquee-l 52s linear infinite}
 .bx-row-r{animation:bx-marquee-r 52s linear infinite}
 .bx-row:nth-child(3){animation-duration:64s}
 .bx-marquee:hover .bx-row,.bx-marquee:focus-within .bx-row{animation-play-state:paused}
 .bx-armed .bx-title>*,.bx-armed .bx-side>*{opacity:0;translate:0 28px;transition:opacity .8s var(--ease),translate .9s cubic-bezier(.22,1,.36,1);transition-delay:calc(var(--i,0)*90ms)}
 .bx-armed .bx-marquee{opacity:0;translate:0 36px;transition:opacity 1s var(--ease) .35s,translate 1.1s cubic-bezier(.22,1,.36,1) .35s}
 .bx-armed .bx-title h2>*{display:block;clip-path:inset(0 0 100% 0);translate:0 .4em;transition:clip-path .9s cubic-bezier(.22,1,.36,1),translate .9s cubic-bezier(.22,1,.36,1);transition-delay:calc(var(--l,0)*120ms + 120ms)}
 .bx-armed.bx-in .bx-title>*,.bx-armed.bx-in .bx-side>*,.bx-armed.bx-in .bx-marquee{opacity:1;translate:0 0}
 .bx-armed.bx-in .bx-title h2>*{clip-path:inset(-10% 0 -10% 0);translate:0 0}
 .bx-button{position:relative;overflow:hidden}
 .bx-button:after{content:'';position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.28) 50%,transparent 70%);translate:-120% 0;animation:bx-shine 4.5s ease-in-out 1.5s infinite}
}
@keyframes bx-marquee-l{to{transform:translateX(-50%)}}
@keyframes bx-marquee-r{from{transform:translateX(-50%)}to{transform:translateX(0)}}
@keyframes bx-shine{0%,60%{translate:-120% 0}85%,100%{translate:120% 0}}
@media (prefers-reduced-motion:reduce){.bx-marquee{-webkit-mask-image:none;mask-image:none;overflow-x:auto}.bx-row{padding:0 24px}}

@media (max-width:900px){
 .bx-head{grid-template-columns:1fr;align-items:start;gap:36px}
}
@media (max-width:600px){
 .bx{padding:68px 0 64px}
 .bx h2{font-size:clamp(40px,11.5vw,54px)}
 .bx-count b{font-size:60px}
 .bx-side p{font-size:15px}
 .bx-button{width:100%;min-height:60px;font-size:16px}
 .bx-marquee{margin-top:44px;gap:10px}
 .bx-track{gap:10px;padding-right:10px}.bx-track a{padding:11px 17px;font-size:14px}
}

/* ==========================================================================
   Glossary page (.gx): hero, sticky search + A to Z bar, numbered hairline list.
   Flat by design: no cards, no shadows. Hairlines, type, and one yellow accent.
   ========================================================================== */
.gx-hero{--gx-head:84px;padding:56px 0 48px}
.gx-hero h1{margin-top:0}
.gx-lead{max-width:640px;margin:26px 0 0;font-size:20px;line-height:1.6;color:var(--muted)}
.gx-facts{list-style:none;display:flex;flex-wrap:wrap;gap:10px 32px;margin:34px 0 0;padding:0;font-size:14px;color:var(--muted)}
.gx-facts li{display:flex;align-items:baseline;gap:8px}
.gx-facts li+li:before{content:'';width:5px;height:5px;border-radius:50%;background:var(--yellow);margin-right:24px;align-self:center}
.gx-facts b{font-family:var(--display);font-size:22px;font-weight:700;letter-spacing:.01em;color:var(--ink);text-transform:uppercase}

.gx{--gx-head:84px;padding:0 0 clamp(80px,9vw,120px)}
.gx-bar{position:sticky;top:var(--gx-head);z-index:20;background:rgba(250,251,249,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.gx-bar-inner{display:flex;align-items:center;gap:32px;min-height:72px}
.gx-search{flex:0 0 300px;display:flex;align-items:center;gap:12px;height:46px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#fff;transition:border-color .25s}
.gx-search .icon{width:18px;height:18px;color:var(--muted-2)}
.gx-search input{flex:1;min-width:0;border:0;outline:0;background:none;font-size:15px;color:var(--ink)}
.gx-search input::placeholder{color:var(--muted-2)}
.gx-search:focus-within{border-color:var(--blue)}
.gx-letters{flex:1;display:flex;justify-content:space-between;gap:2px;font-family:var(--display);font-size:17px;font-weight:700;letter-spacing:.02em}
.gx-letters a,.gx-letters span{display:grid;place-items:center;min-width:26px;height:34px;border-radius:8px}
.gx-letters span{color:var(--line-2)}
.gx-letters a{position:relative;color:var(--ink);transition:color .2s}
.gx-letters a:after{content:'';position:absolute;left:50%;bottom:2px;width:14px;height:2px;border-radius:2px;background:var(--yellow);translate:-50% 0;scale:0 1;transition:scale .3s var(--ease)}
.gx-letters a:hover,.gx-letters a.is-active{color:var(--blue)}
.gx-letters a:hover:after,.gx-letters a.is-active:after{scale:1 1}

.gx-list{margin:0}
.gx-row{position:relative;display:grid;grid-template-columns:56px minmax(0,.9fr) minmax(0,2fr);gap:0 40px;align-items:baseline;padding:30px 0;border-bottom:1px solid var(--line);scroll-margin-top:80px;outline:0;isolation:isolate}
.gx-row[hidden]{display:none}
.gx-row:before{content:'';position:absolute;inset:0 -24px;z-index:-1;border-radius:16px;background:var(--yellow);opacity:0;pointer-events:none}
.gx-num{font-family:var(--display);font-size:15px;font-weight:600;letter-spacing:.06em;color:var(--muted-2);font-variant-numeric:tabular-nums}
.gx-row dt{display:contents}
.gx-row dt>.gx-term{justify-self:start}
.gx-term{display:inline;font:700 clamp(26px,2.4vw,32px)/1.05 var(--display);text-transform:uppercase;letter-spacing:.01em;color:var(--blue);background:linear-gradient(var(--yellow),var(--yellow)) 0 100%/0 3px no-repeat;padding-bottom:2px;transition:background-size .35s var(--ease)}
.gx-row:hover .gx-term,.gx-term:focus-visible{background-size:100% 3px}
.gx-row dd{margin:0}
.gx-row dd p{margin:0;max-width:640px;font-size:17px;line-height:1.7;color:var(--ink)}
.gx-more{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-size:14px;font-weight:700;color:var(--blue)}
.gx-more .icon{width:16px;height:16px;transition:transform .25s var(--ease)}
.gx-more:hover .icon{transform:translateX(4px)}
.gx-empty{margin-top:40px}
.gx-note{margin:44px 0 0;max-width:640px;font-size:14px;line-height:1.7;color:var(--muted)}
.gx-note a{color:var(--blue);font-weight:700;text-decoration:underline;text-decoration-color:var(--yellow);text-decoration-thickness:2px;text-underline-offset:4px}

/* Arrival highlight: the target term pops up, washes yellow, then settles back. */
.gx-row.gx-flash{animation:gx-pop 1.6s cubic-bezier(.22,1,.36,1)}
.gx-row.gx-flash:before{animation:gx-wash 2.2s ease-out}
.gx-row.gx-flash .gx-term{animation:gx-ink 2.2s ease-out}
@keyframes gx-pop{0%{transform:none}22%{transform:translateY(-6px) scale(1.025)}55%{transform:translateY(0) scale(.998)}100%{transform:none}}
@keyframes gx-wash{0%{opacity:0}18%{opacity:.2}60%{opacity:.14}100%{opacity:0}}
@keyframes gx-ink{0%,70%{background-size:100% 3px}100%{background-size:0 3px}}
@media (prefers-reduced-motion:reduce){
 .gx-row.gx-flash{animation:none}
 .gx-row.gx-flash:before{animation:gx-wash 2.2s steps(1,end)}
}

@media (max-width:980px){
 .gx-bar-inner{flex-direction:column;align-items:stretch;gap:0;padding:12px 0 6px}
 .gx-search{flex:none}
 .gx-letters{overflow-x:auto;scrollbar-width:none;justify-content:flex-start;gap:4px;padding:6px 0 2px;-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);mask-image:linear-gradient(90deg,#000 88%,transparent)}
 .gx-letters::-webkit-scrollbar{display:none}
 .gx-letters span{display:none}
 .gx-letters a{min-width:34px;flex-shrink:0}
 .gx-row{scroll-margin-top:140px}
}
@media (max-width:780px){
 .gx-hero,.gx{--gx-head:72px}
 .gx-row{grid-template-columns:40px minmax(0,1fr);gap:10px 14px;padding:24px 0}
 .gx-row dd{grid-column:2}
 .gx-row:before{inset:0 -12px}
}
@media (max-width:560px){
 .gx-hero,.gx{--gx-head:66px}
 .gx-hero{padding:40px 0 36px}
 .gx-lead{font-size:17px}
 .gx-facts{gap:8px 22px;margin-top:26px}.gx-facts li+li:before{display:none}.gx-facts b{font-size:19px}
 .gx-term{font-size:25px}
 .gx-row dd p{font-size:16px}
 .gx-num{font-size:13px}
}