/* MC-5. Selected Telón; mobile editorial refinement. Original B remains intact. */
html{scroll-behavior:auto}
.direction-b{overflow:visible}
.stack-panel{position:relative;isolation:isolate}
.stack-surface{transform-origin:50% 100%;background:#fffdfb;backface-visibility:hidden}
html[data-motion-ready="1"]:not([data-motion-quiet="1"]) .stack-panel{position:sticky;top:var(--sticky-top,0px)}
.stack-opening{z-index:1}.stack-proof{z-index:2}.stack-books{z-index:3}
.stack-opening .stack-surface{background:#111}
.stack-proof .stack-surface,.stack-books .stack-surface{box-shadow:0 -15px 34px #1112}
.direction-b .stack-proof .db-future-paper{margin-top:0;transform:none!important;box-shadow:none}
.direction-b .stack-proof .db-proof{padding-top:26px;margin-bottom:0;gap:22px}
.direction-b .db-proof-story{position:relative}
.direction-b .db-proof figcaption{margin:0 0 16px}
.direction-b .db-quote{font:400 clamp(23px,6.2vw,32px)/1.25 "DB Caslon",serif;letter-spacing:-.025em}
.direction-b .sonia-number{display:inline-block;font:800 clamp(59px,17vw,80px)/1.02 "DB Archivo",sans-serif;font-variation-settings:"wdth" 105,"wght" 800;letter-spacing:-.045em;color:#4b1014;margin-top:8px;white-space:nowrap}
.direction-b .sonia-number>span{font-size:.5em;color:inherit;vertical-align:.16em}
.direction-b .sonia-wellbeing{font:italic 700 clamp(16px,4.62vw,18px)/1.4 "DB Archivo",sans-serif;font-variation-settings:"wdth" 100,"wght" 700;margin-top:18px;letter-spacing:-.015em}
.direction-b .sonia-wellbeing em{font-style:italic;color:#4b1014}
.direction-b .sonia-note{font:400 10px/1.5 "DB Archivo",sans-serif;margin-top:7px;color:#3c4247}
.direction-b .db-proof-window{aspect-ratio:265/260;background:white}
.direction-b .db-proof-window img{width:455.09434%;left:-81.13208%;top:-376.15385%}
.direction-b .db-proof-open{width:min(100% - 20px,320px)}
.direction-b .sonia-transcript{margin:12px auto 0;max-width:340px;font:400 15px/1.55 "DB Caslon",serif}
.direction-b .sonia-transcript summary{cursor:pointer;font:500 10px/1.5 "DB Archivo",sans-serif;min-height:44px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #1113;list-style:none}
.direction-b .sonia-transcript summary::after{content:'+';font:400 22px/1 "DB Caslon"}
.direction-b .sonia-transcript[open] summary::after{content:'−'}
.direction-b .sonia-transcript div{padding:15px 0}
.direction-b .sonia-transcript p+p{margin-top:14px}
.direction-b .ll-book-stage{overflow:visible}
.direction-b .ll-book-object{transition:none;transform:rotate(-5deg) rotateY(-8deg)}
.direction-b .ll-book-stage:is(:hover,:focus-visible) .ll-book-object{transform:rotate(-5deg) rotateY(-8deg)}
.cover-light,.cover-build,.book-edge{position:absolute;inset:0;width:100%;height:100%;z-index:3;pointer-events:none}
.cover-light{mix-blend-mode:screen;overflow:hidden;opacity:0}
.cover-build{display:none;background:#0b1b2a}
.direction-b .cover-part{position:absolute;inset:0;width:100%;height:100%;max-width:none}
.part-0{clip-path:inset(0 0 85% 0)}.part-1{clip-path:inset(15% 0 73% 0)}.part-2{clip-path:inset(27% 0 54% 0)}.part-3{clip-path:inset(46% 0 21% 0)}.part-4{clip-path:inset(79% 0 0 0)}
.book-edge{border-left:1px solid #ffffff30;box-shadow:inset 4px 0 4px #0003;z-index:4}
html[data-book="luz"][data-motion-ready="1"]:not([data-motion-quiet="1"]) .cover-light{opacity:1}
html[data-book="construccion"][data-motion-ready="1"]:not([data-motion-quiet="1"]) .cover-build{display:block}
.motion-review{position:fixed;bottom:max(12px,env(safe-area-inset-bottom));left:12px;right:12px;z-index:9999;width:calc(100% - 24px);max-width:470px;margin:auto;background:#fffdfb;color:#111;border:1px solid #1112;box-shadow:0 6px 30px #1113;font:500 11px/1.4 "DB Archivo",sans-serif}
.motion-review button,.motion-review a{font:inherit;color:inherit;cursor:pointer;text-decoration:none;min-height:44px}
.motion-review button{border:0;background:none}
.motion-review .review-toggle{display:flex;justify-content:space-between;align-items:center;width:100%;padding:0 16px;min-height:48px;letter-spacing:.02em}
.review-toggle span{font:400 25px/1 "DB Caslon"}
#review-options{padding:0 16px 12px}
#review-options[hidden]{display:none}
.motion-review fieldset{border:0;padding:10px 0;margin:0}
.motion-review legend{font-size:10px;color:#4a6274;padding:0}
.motion-options{display:flex;gap:7px}
.motion-options button{padding:8px 10px;background:#f0eeeb;flex:1}
.motion-options button[aria-pressed="true"]{background:#111;color:#fffdfb}
.review-links{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px;padding-top:10px;border-top:1px solid #1112}
.review-links a,.review-links button{display:flex;align-items:center;text-decoration:underline;text-underline-offset:5px}
.motion-review :is(a,button):focus-visible,.sonia-transcript summary:focus-visible{outline:3px solid #4a6274;outline-offset:3px}
html[data-motion-quiet="1"] .stack-panel{position:relative!important;top:auto!important}
html[data-motion-quiet="1"] .stack-surface{transform:none!important;filter:none!important;clip-path:none!important}
html[data-motion-quiet="1"] .ll-book-object{transform:none!important}
html[data-motion-quiet="1"] .cover-light,html[data-motion-quiet="1"] .cover-build{display:none!important}
.stack-books{padding-bottom:100px;background:#fffdfb}
@media(min-width:760px){
 .direction-b .stack-proof .db-proof{align-items:center;gap:70px}
 .direction-b .sonia-number{font-size:clamp(70px,7vw,104px)}
 .direction-b .sonia-wellbeing{font-size:clamp(17px,1.9vw,21px)}
 .direction-b .sonia-note{font-size:11px}
 .direction-b .db-proof-open{max-width:360px;width:100%}
 .direction-b .sonia-transcript{max-width:360px}
 .motion-review{left:auto;right:22px}
}
@media(prefers-reduced-motion:reduce){
 .stack-panel{position:relative!important;top:auto!important}
 .stack-surface,.direction-b .ll-book-object{transform:none!important;filter:none!important;clip-path:none!important}
 .cover-light,.cover-build{display:none!important}
}
.direction-b .sonia-result{font:400 27px/1.3 "DB Caslon",serif;letter-spacing:-.025em}
.direction-b .sonia-period{display:inline-block;font-size:20px;max-width:16em;margin-top:8px}

/* Let the last lines reach a comfortable reading height before the next sheet. */
.stack-opening,.stack-proof{padding-bottom:clamp(64px,12vh,110px);background:#fffdfb}
.stack-opening{background:#111}
html[data-motion-measuring="1"] .stack-panel{position:relative!important;top:auto!important}
html[data-motion-measuring="1"] .stack-surface{transform:none!important;filter:none!important;clip-path:none!important}
.db-source-note{font:400 12px/1.5 "DB Archivo",sans-serif;padding:12px 20px;color:#353535;background:#fffdfb}
.cover-build{overflow:hidden}
.direction-b .cover-part{filter:none!important;box-shadow:none!important}
.direction-b .db-proof-dialog[open]{display:flex;flex-direction:column}
.direction-b .db-dialog-head,.db-source-note{flex-shrink:0}
.direction-b .db-dialog-body{min-height:0;max-height:none;flex:1 1 auto}
/* Keep the sheet edge visible while the aperture opens over the preceding section. */
.stack-opening,.stack-proof{padding-bottom:0;background:transparent}
.stack-opening>.stack-surface,.stack-proof>.stack-surface{padding-bottom:clamp(64px,12vh,110px)}

/* Real Archivo bold italic, matched to the existing variable roman; no synthesis. */
@font-face{font-family:"DB Archivo";src:url("assets/archivo-vf-italic-latin.woff2") format("woff2");font-style:italic;font-weight:100 900;font-stretch:62% 125%;font-display:swap}
.direction-b .soft-ceo-word{font:700 .93em/1.1 "DB Archivo",sans-serif;font-variation-settings:"wdth" 108,"wght" 700;letter-spacing:-.035em;color:var(--db-wine);white-space:nowrap}
.direction-b .editorial-marker{color:inherit;background:linear-gradient(177deg,transparent 49%,#b4d2e3b8 50%,#b4d2e3b8 88%,transparent 91%);padding:0 .04em;margin:0 -.04em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.direction-b .db-proof-action{font-size:11px;letter-spacing:.015em}
.direction-b .db-proof-open{margin-top:22px}
/* Review controls recede now that Lara has chosen the transition. */
.motion-review{display:none;left:auto;right:12px;width:148px}
html[data-motion-review="1"] .motion-review{display:block}
.motion-review.is-open{width:calc(100% - 24px)}
.motion-review .review-toggle{min-height:44px;padding:0 12px}
@media(max-width:599px){
 .direction-b .db-context{padding-top:34px;padding-bottom:34px}
 .direction-b .db-friction{margin-top:18px!important}
 .direction-b .db-future-paper{padding:36px 24px 28px}
 .direction-b .db-future{font-size:19px;line-height:1.46}
 .direction-b .db-future-opening{font-size:27px;line-height:1.23;margin-bottom:12px}
 .direction-b .db-future-ending{margin-top:14px}
 .direction-b .db-proof{margin-top:30px}
 .direction-b .ll-books{padding:38px 24px 24px}
 .direction-b .ll-books-main{row-gap:24px}
 .direction-b .ll-books-heading h2{margin-top:0}
 .direction-b .ll-books-heading h2>em{font-size:23px;margin-top:12px}
 .direction-b .ll-book-stage{padding-top:10px}
 .direction-b .ll-book-object{width:min(68vw,258px)}
 .direction-b .ll-book-caption{padding:18px 0 6px;font-size:10px}
 .direction-b .ll-books-copy{font-size:17px;line-height:1.5}
 .direction-b .ll-books-copy .ll-books-lead{font-size:21px;line-height:1.35}
 .direction-b .ll-books-copy p+p{margin-top:18px}
 .direction-b .ll-book-cta{margin-top:24px}
 .direction-b .ll-book-secondary{margin-top:44px;padding-top:28px}
}

/* MC-6: readable secondary book, same editorial rules with cover-specific motion. */
.direction-b .ll-book-secondary{scroll-margin-top:24px;display:grid;grid-template-columns:1fr;gap:22px;max-width:600px;margin-top:46px;padding-top:32px}
.direction-b .ll-secondary-heading .ll-books-eyebrow{font-size:10px;letter-spacing:.08em}
.direction-b .ll-book-secondary h3{font:800 clamp(29px,8.2vw,34px)/1.04 "DB Archivo",sans-serif;font-variation-settings:"wdth" 112,"wght" 800;text-transform:uppercase;letter-spacing:-.03em;margin:12px 0 0}
.direction-b .ll-book-secondary h3 span{display:block;font:400 clamp(22px,5.85vw,25px)/1.2 "DB Caslon",serif;text-transform:none;letter-spacing:-.025em;color:var(--db-wine);margin-top:10px;max-width:16em}
.direction-b .ll-book-secondary-image{position:relative;display:block;justify-self:center;width:min(100%,286px);margin:3px 0 5px;transform:none;transition:none;isolation:isolate}
.direction-b .ll-book-secondary-image:is(:hover,:focus-visible){transform:none}
.direction-b .ll-secondary-object{position:relative;display:block;transform:rotate(-3deg);transform-origin:50% 65%;filter:drop-shadow(5px 10px 9px #1112)}
.direction-b .ll-secondary-object img{display:block;width:100%;height:auto;filter:none}
.secondary-ink{position:absolute;inset:0;width:100%;height:100%;mix-blend-mode:multiply;pointer-events:none;overflow:hidden}
.direction-b .ll-book-secondary-copy{max-width:32em}
.direction-b .ll-book-secondary-copy>p:not(.ll-books-eyebrow){font:400 18px/1.45 "DB Caslon",serif;letter-spacing:-.015em}
.direction-b .ll-book-secondary-copy>p+p{margin-top:13px}
.direction-b .ll-book-secondary-copy .editorial-marker{display:inline-block;max-width:100%}
.direction-b .ll-book-secondary-copy strong{font:700 .93em/1.4 "DB Archivo",sans-serif;font-variation-settings:"wdth" 100,"wght" 700;letter-spacing:-.015em}
.direction-b .ll-book-secondary-link{font:600 12px/1.4 "DB Archivo",sans-serif;font-variation-settings:"wdth" 105,"wght" 600;min-height:56px;padding:12px 0;margin-top:22px;max-width:none;color:var(--db-wine);border-bottom-color:var(--db-wine)}
.direction-b .ll-book-secondary-link span{font-size:30px;color:var(--db-wine)}
html[data-motion-quiet="1"] .ll-secondary-object{transform:none!important}
html[data-motion-quiet="1"] .secondary-ink{display:none}
@media(min-width:760px){
 .direction-b .ll-book-secondary{max-width:1120px;grid-template-columns:.93fr 1.07fr;column-gap:76px;row-gap:22px;margin-top:76px;padding-top:42px;align-items:start}
 .direction-b .ll-secondary-heading{grid-column:2;grid-row:1}
 .direction-b .ll-book-secondary-image{grid-column:1;grid-row:1/3;align-self:center;width:min(100% - 24px,350px);margin:0}
 .direction-b .ll-book-secondary-copy{grid-column:2;grid-row:2}
 .direction-b .ll-book-secondary h3{font-size:32px}
 .direction-b .ll-book-secondary h3 span{font-size:25px}
 .direction-b .ll-book-secondary-link{max-width:320px}
}
@media(prefers-reduced-motion:reduce){.direction-b .ll-secondary-object{transform:none!important}.secondary-ink{display:none!important}}

/* Long description: native disclosure on mobile, full reading on desktop. */
.direction-b .ll-book-details{margin-top:18px}
.direction-b .ll-book-details summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;border-bottom:1px solid #4a627450;color:var(--db-wine);cursor:pointer;list-style:none;font:600 12px/1.4 "DB Archivo",sans-serif;font-variation-settings:"wdth" 105,"wght" 600}
.direction-b .ll-book-details summary::-webkit-details-marker{display:none}
.direction-b .ll-book-details summary:focus-visible{outline:3px solid var(--db-steel);outline-offset:4px}
.direction-b .ll-details-symbol{font:400 25px/1 "DB Caslon",serif}
.direction-b .ll-book-description{padding-top:18px}
@media(min-width:600px){.direction-b .ll-book-details{margin-top:22px}.direction-b .ll-book-details summary{display:none}.direction-b .ll-book-description{padding-top:0}}