/* Agenda física y tipografía cinética: dos escenas con lenguajes distintos. */
.nb-section{background:#eef0e9;color:#16343b;padding-top:100px}.nb-section>.cx-heading,.mv-section>.cx-heading{padding-top:0;padding-bottom:0}.nb-section .cx-kicker{color:#274c52}.nb-section .cx-heading>p{color:#526b6c}.nb-section .cx-heading h2 em{color:#16343b;text-decoration:underline;text-decoration-color:#00efdf;text-underline-offset:12px;text-decoration-thickness:3px}.nb-scroll{height:400svh;position:relative;margin-top:45px;--nb-progress:0}.nb-sticky{position:sticky;top:10px;height:calc(100svh - 20px);min-height:650px;max-height:1100px;padding:25px 7vw 24px;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.nb-scene-meta{width:100%;display:flex;justify-content:space-between;gap:30px;color:#47686c;font-size:7px;letter-spacing:.12em;line-height:1.6;margin-bottom:30px}.nb-scene-meta>span:last-child{text-align:right;color:#247e7b}.nb-stage{height:clamp(350px,50svh,500px);width:100%;perspective:2200px;position:relative;display:flex;justify-content:center;align-items:center;isolation:isolate}.nb-book{width:min(760px,80vw);height:100%;position:relative;transform-style:preserve-3d;transform:translateX(calc((1 - var(--nb-open,0))*-25%)) rotateX(8deg) rotateY(-5deg);transition:none;--nb-cover:0deg;--nb-leaf-1:0deg;--nb-leaf-2:0deg}.nb-shadow{position:absolute;left:17%;right:17%;height:34px;bottom:-8px;background:#0b262d55;border-radius:50%;filter:blur(20px);transform:rotateX(55deg);pointer-events:none}.nb-back-board{position:absolute;left:50%;right:-4px;top:-3px;bottom:-9px;background:#14313b;border-radius:1px 10px 10px 1px;transform:translateZ(-10px);box-shadow:3px 8px 15px #16343b30}.nb-page-edge{position:absolute;left:50%;right:-1px;top:7px;bottom:-5px;border-radius:1px 6px 6px 1px;background:repeating-linear-gradient(#b9c0b7 0 1px,#e7e9df 1px 3px);transform:translateZ(-4px)}.nb-base-page,.nb-cover,.nb-leaf{position:absolute;left:50%;top:0;width:50%;height:100%;transform-origin:left center;transform-style:preserve-3d}.nb-base-page{z-index:0}.nb-cover{z-index:40;transform:rotateY(var(--nb-cover));will-change:transform}.nb-leaf{z-index:20;transform:rotateY(var(--nb-leaf-1));will-change:transform}.nb-leaf[data-leaf="2"]{z-index:10;transform:rotateY(var(--nb-leaf-2))}.nb-face,.nb-cover-front{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden}.nb-face-front{transform:translateZ(.6px)}.nb-face-back,.nb-cover-back{transform:rotateY(180deg) translateZ(.6px)}.nb-face-back .nb-paper{background:linear-gradient(90deg,#fffdf4 94%,#cbd1c7);border-radius:8px 0 0 8px}.nb-cover-front{background:linear-gradient(100deg,#0c212a,#193c46 65%,#0c242e);border-radius:2px 10px 10px 2px;border:1px solid #53717a;box-shadow:inset 0 0 0 2px #0b2029,inset 0 0 0 4px #77b4b040,inset 9px 0 14px #0006,4px 5px 0 #0b2029,7px 8px 0 #0a1b24,10px 15px 20px #0b242a33;color:#eef5e9;padding:34px 35px;display:flex;flex-direction:column;overflow:hidden}.nb-cover-front:before{content:'';position:absolute;inset:0;opacity:.12;background:repeating-linear-gradient(0deg,transparent 0 2px,#b8d1cc30 2px 3px),repeating-linear-gradient(90deg,transparent 0 2px,#b8d1cc30 2px 3px);pointer-events:none}.nb-cover-front>img{width:130px;height:auto;position:relative;display:block;align-self:flex-start;filter:drop-shadow(0 2px 1px #001820)}.nb-cover-edition{font-size:6px;letter-spacing:.16em;color:#91bcbf;margin-top:20px;position:relative}.nb-cover-front>strong{font-size:clamp(24px,3.4vw,47px);font-weight:400;letter-spacing:-.045em;line-height:1.05;margin-top:28px;position:relative;text-shadow:0 2px 0 #0007}.nb-cover-front>strong>em{font-family:Georgia,serif;font-weight:400;color:#00efdf}.nb-cover-drawing{width:85%;height:70px;margin:auto 0 8px;color:#00efdf;opacity:.9}.nb-cover-bottom{font-size:5px;letter-spacing:.08em;line-height:1.7;position:relative;display:flex;flex-direction:column;gap:8px;margin-top:8px;color:#9dc0bf}.nb-cover-bottom b{font-size:7px;font-weight:400;color:#00efdf;letter-spacing:.18em}.nb-cover-binding{position:absolute;left:13px;width:3px;top:0;bottom:0;background:linear-gradient(90deg,#00efdf33,#0a1a24);box-shadow:3px 0 5px #0005}.nb-elastic{position:absolute;width:10px;right:17px;top:0;bottom:0;background:linear-gradient(90deg,#052d35,#16444b 40%,#0b2e36);border-left:1px solid #4b80835c;box-shadow:-3px 0 3px #0003,2px 0 3px #0005}.nb-ribbon{position:absolute;left:52%;top:-4px;bottom:-23px;width:11px;transform:translateZ(-5px);background:linear-gradient(90deg,#00b8ac,#00efdf,#00b8ac);clip-path:polygon(0 0,100% 0,100% 100%,50% 96%,0 100%);box-shadow:0 2px 7px #052f3655;z-index:0}.nb-paper{height:100%;width:100%;background:linear-gradient(90deg,#cdd3c9,#fffdf4 7%);border:1px solid #d5d8cd;border-radius:0 8px 8px 0;box-shadow:inset 1px 0 #fff8,2px 2px 3px #16343b15;padding:22px 27px 18px;display:flex;flex-direction:column;overflow:hidden;position:relative;color:#193b42}.nb-page-top,.nb-page-footer{font-size:4.5px;letter-spacing:.1em;line-height:1.6;display:flex;justify-content:space-between;gap:12px;color:#6b8384;flex-shrink:0}.nb-page-top{padding-bottom:12px;border-bottom:1px solid #a9bab04d;margin-bottom:26px}.nb-page-top>i,.nb-page-footer>i{font-style:normal}.nb-page-footer{margin-top:auto;padding-top:16px;border-top:1px solid #a9bab04d}.nb-note-kicker{font-size:6px;letter-spacing:.1em;color:#477373;margin-bottom:14px;display:block;flex-shrink:0}.nb-paper h3{font-size:clamp(20px,2.4vw,34px);line-height:1.07;font-weight:400;letter-spacing:-.045em;margin:0 0 20px}.nb-paper h3 em{font-family:Georgia,serif;font-weight:400;color:#1e595c}.nb-paper>p{font-size:10px;line-height:1.8;max-width:240px;margin:0 0 18px;color:#526b6d}.nb-hand-note{font-family:Georgia,serif;font-size:17px;font-style:italic;line-height:1.3;letter-spacing:-.02em;color:#2e7b77;transform:rotate(-5deg);margin:5px 0 23px;display:block}.nb-illustration{width:100%;height:140px;flex-shrink:0;margin:0 0 20px}.nb-listen{height:120px;margin-bottom:20px}.nb-note-list{list-style:none;padding:0;margin:0 0 10px;font-size:9px;line-height:2.1;color:#567173}.nb-note-list>li:before{content:'';width:4px;height:4px;border:1px solid #00a99b;display:inline-block;border-radius:50%;margin-right:10px}.nb-underline-drawing{height:26px;position:relative;margin:0 0 20px;flex-shrink:0}.nb-underline-drawing>i{position:absolute;width:85%;height:12px;left:0;top:0;border-top:2px solid #00c4b7;border-radius:50%;transform:rotate(-4deg)}.nb-underline-drawing>i:last-child{width:75%;top:5px;transform:rotate(-2deg);border-top-width:1px}.nb-large-yes{font-size:clamp(26px,3.5vw,48px);line-height:1.05;letter-spacing:-.05em;margin:15px 0 28px}.nb-large-yes em{font-family:Georgia,serif;color:#1e595c}.nb-checklist{display:flex;flex-direction:column;gap:12px;margin-bottom:25px;font-size:10px;color:#4d6b6c}.nb-checklist span{display:flex;gap:10px;align-items:center}.nb-checklist i{width:10px;height:10px;border:1px solid #00bdae;position:relative}.nb-checklist i:after{content:'';position:absolute;width:7px;height:4px;border-left:1px solid #1c5b59;border-bottom:1px solid #1c5b59;rotate:-45deg;left:2px;top:1px}.nb-first h3{margin-top:10px;font-size:clamp(24px,2.8vw,40px)}.nb-first .nb-hand-note{margin-top:auto}.nb-caption{width:min(760px,100%);display:grid;grid-template-columns:.7fr 1.3fr;gap:25px;margin-top:36px;min-height:54px;align-items:start}.nb-caption .cx-kicker{font-size:7px;padding-top:3px}.nb-caption>p{font-size:13px;line-height:1.75;margin:0;color:#48666b}.nb-controls{display:flex;justify-content:center;gap:8px;margin-top:18px;flex-wrap:wrap}.nb-controls button{min-height:36px;padding:8px 15px;border:1px solid #25495230;border-radius:30px;background:none;color:#547076;font-size:9px;cursor:pointer}.nb-controls button[aria-pressed=true]{background:#163a43;color:#00efdf;border-color:#163a43}.nb-progress{width:100%;height:2px;background:#173c4315;margin-top:22px;flex-shrink:0}.nb-progress i{display:block;width:calc(var(--nb-progress)*100%);height:100%;background:#00efdf}
.mv-section{background:radial-gradient(ellipse at 80% 45%,#00efdf09,transparent 60%),#0d1a20;padding-top:105px;color:#eef0e9}.mv-scroll{height:330svh;margin-top:30px;--mv-progress:0}.mv-sticky{position:sticky;top:10px;height:calc(100svh - 20px);min-height:630px;max-height:1100px;padding:30px 7vw 25px;display:flex;flex-direction:column;justify-content:center;overflow:hidden}.mv-meta{display:flex;justify-content:space-between;gap:30px;font-size:8px;color:#83aeb8;letter-spacing:.1em}.mv-meta span:last-child{color:#00efdf}.mv-world{height:clamp(330px,52svh,540px);position:relative;perspective:1200px;isolation:isolate;--mv-mouse-x:0;--mv-mouse-y:0}.mv-ghost-number{position:absolute;right:0;top:0;font-size:clamp(140px,24vw,350px);font-family:Georgia,serif;color:transparent;-webkit-text-stroke:1px #00efdf23;font-style:italic;letter-spacing:-.09em;line-height:.9;pointer-events:none}.mv-word{position:absolute;left:0;right:0;top:4%;height:65%;display:flex;flex-direction:column;justify-content:center;align-items:center;line-height:.85;letter-spacing:-.07em;transform-style:preserve-3d;will-change:transform,opacity;pointer-events:none;opacity:0;transform:translateY(100px) rotateX(60deg);text-shadow:0 12px 28px #02101666}.mv-word:first-of-type{opacity:1;transform:none}.mv-word>span{font-size:clamp(40px,6vw,86px);font-weight:400}.mv-word>strong{font-family:Georgia,serif;font-weight:400;font-style:italic;font-size:clamp(90px,14.2vw,220px);color:#00efdf;line-height:1.1;letter-spacing:-.065em}.mv-path{position:absolute;left:0;right:0;width:100%;height:40%;top:60%;overflow:visible;pointer-events:none}.mv-rail{stroke:#2b626b4d;stroke-width:1}.mv-ink{stroke-dasharray:var(--mv-length,1400);stroke-dashoffset:calc(var(--mv-length,1400)*(1 - var(--mv-progress)));stroke-linecap:round}.mv-ink-glow{stroke:#00efdf88;stroke-width:15;filter:url(#mv-glow)}.mv-ink-body{stroke:url(#mv-cyan);stroke-width:7}.mv-ink-highlight{stroke:#dffff6b0;stroke-width:1.4;transform:translateY(-2px)}#mv-traveler{filter:drop-shadow(0 0 8px #00efdf)}.mv-scroll-hint{position:absolute;left:0;right:0;bottom:0;text-align:center;font-size:6px;letter-spacing:.16em;color:#7fa4ae}.mv-copy{display:grid;grid-template-columns:.65fr 1.35fr;gap:35px;align-items:start;max-width:850px;width:100%;align-self:center;margin-top:35px;min-height:65px;position:relative}.mv-copy .cx-kicker{font-size:7px;padding-top:3px}.mv-copy>p{font-size:15px;line-height:1.8;color:#b1c9ce;margin:0;max-width:530px}.mv-controls{display:flex;justify-content:center;gap:35px;margin-top:25px}.mv-controls button{position:relative;display:flex;align-items:center;gap:10px;background:none;border:0;color:#7199a4;font-size:10px;min-height:40px;padding:8px 0;cursor:pointer}.mv-controls button i{width:5px;height:5px;border:1px solid #396d77;border-radius:50%;transition:background .3s,box-shadow .3s}.mv-controls button[aria-pressed=true]{color:#00efdf}.mv-controls button[aria-pressed=true] i{background:#00efdf;border-color:#00efdf;box-shadow:0 0 12px #00efdf}
@media(max-height:800px) and (min-width:751px){.nb-sticky{min-height:600px;padding-top:15px;padding-bottom:15px}.nb-scene-meta{margin-bottom:20px}.nb-stage{height:350px}.nb-paper{padding:16px 23px 14px}.nb-page-top{margin-bottom:20px;padding-bottom:10px}.nb-paper h3{font-size:27px;margin-bottom:14px}.nb-first h3{font-size:31px}.nb-paper>p{font-size:8px;margin-bottom:10px}.nb-note-list{font-size:8px}.nb-illustration{height:95px;margin-bottom:12px}.nb-note-kicker{font-size:5px;margin-bottom:10px}.nb-hand-note{font-size:14px;margin-bottom:12px}.nb-cover-front{padding:24px 30px}.nb-cover-front>img{width:105px}.nb-cover-edition{margin-top:12px}.nb-cover-front>strong{font-size:34px;margin-top:20px}.nb-cover-drawing{height:50px}.nb-cover-bottom{font-size:4px}.nb-large-yes{font-size:38px;margin:5px 0 20px}.nb-checklist{font-size:9px;gap:9px;margin-bottom:18px}.nb-caption{margin-top:28px;min-height:45px}.nb-caption>p{font-size:12px}.nb-controls{margin-top:12px}.nb-progress{margin-top:16px}.mv-sticky{min-height:600px}.mv-world{height:350px}.mv-copy{margin-top:25px}.mv-copy>p{font-size:13px}.mv-controls{margin-top:15px}}
@media(max-width:750px){.nb-section{padding-top:65px}.nb-section .cx-heading h2 em{text-underline-offset:8px;text-decoration-thickness:2px}.nb-scroll{height:410svh;margin-top:30px}.nb-sticky{top:8px;height:calc(100svh - 16px);max-height:900px;min-height:0;padding:18px 5vw}.nb-scene-meta{font-size:4.5px;gap:15px;margin-bottom:34px;line-height:1.6}.nb-stage{height:300px;width:100%;flex-shrink:0;perspective:1500px}.nb-book{width:92vw;transform:translateX(calc((1 - var(--nb-open,0))*-25%)) scale(calc(1.17 - var(--nb-open,0)*.17)) rotateX(6deg) rotateY(-3deg)}.nb-shadow{left:10%;right:10%;height:23px;bottom:-5px;filter:blur(13px)}.nb-cover-front{padding:23px 15px 16px 20px;border-radius:2px 7px 7px 2px}.nb-cover-front>img{width:77px}.nb-cover-edition{font-size:3.8px;letter-spacing:.07em;margin-top:15px}.nb-cover-front>strong{font-size:24px;line-height:1.1;margin-top:24px}.nb-cover-binding{left:8px;width:2px}.nb-elastic{right:8px;width:6px}.nb-cover-drawing{height:40px;width:90%;margin-top:auto}.nb-cover-bottom{font-size:3px;letter-spacing:.02em;gap:7px}.nb-cover-bottom b{font-size:4.5px}.nb-paper{padding:13px 12px 10px 15px}.nb-page-top,.nb-page-footer{font-size:2.8px;letter-spacing:.02em;gap:7px}.nb-page-top{margin-bottom:20px;padding-bottom:8px}.nb-page-footer{padding-top:10px}.nb-note-kicker{font-size:4px;letter-spacing:.05em;margin-bottom:13px}.nb-paper h3{font-size:20px;line-height:1.05;margin-bottom:17px}.nb-first h3{font-size:21px;margin-top:5px}.nb-paper>p{font-size:6px;line-height:1.8;margin-bottom:12px}.nb-hand-note{font-size:11px;line-height:1.3;margin-bottom:12px}.nb-illustration{height:80px;margin-bottom:15px}.nb-listen{height:65px;margin-bottom:17px}.nb-note-list{font-size:5.5px;line-height:2.2;margin-top:3px}.nb-note-list>li:before{width:2px;height:2px;margin-right:5px}.nb-underline-drawing{height:15px;margin-bottom:13px}.nb-underline-drawing>i{border-top-width:1px}.nb-large-yes{font-size:24px;margin:15px 0 25px}.nb-checklist{font-size:6px;gap:12px;margin-bottom:20px}.nb-checklist span{gap:7px}.nb-checklist i{width:7px;height:7px}.nb-checklist i:after{width:5px;height:3px;left:1px;top:0}.nb-ribbon{width:7px;bottom:-16px}.nb-back-board{bottom:-6px;right:-3px}.nb-caption{display:block;margin-top:38px;min-height:95px;padding:0 2vw}.nb-caption .cx-kicker{font-size:6px;margin-bottom:10px}.nb-caption>p{font-size:12px;line-height:1.8}.nb-controls{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:14px;width:100%;padding:0 2vw}.nb-controls button{font-size:8px;min-height:36px;padding:8px 10px}.nb-progress{margin-top:20px}.mv-section{padding-top:65px}.mv-scroll{height:330svh;margin-top:25px}.mv-sticky{top:8px;height:calc(100svh - 16px);min-height:0;max-height:950px;padding:24px 7vw 20px}.mv-meta{font-size:6px;gap:20px}.mv-world{height:380px;flex-shrink:0}.mv-ghost-number{font-size:180px;top:12%;right:-5%}.mv-word{top:8%;height:60%;line-height:.9}.mv-word>span{font-size:40px}.mv-word>strong{font-size:82px;line-height:1.2}.mv-path{top:67%;height:30%;width:130%;left:-15%;right:-15%}.mv-ink-body{stroke-width:6}.mv-ink-glow{stroke-width:10}.mv-ink-highlight{stroke-width:1}.mv-scroll-hint{font-size:4px;bottom:0}.mv-copy{display:block;margin-top:25px;min-height:125px}.mv-copy .cx-kicker{font-size:6px;margin-bottom:15px}.mv-copy>p{font-size:13px;line-height:1.85}.mv-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;justify-items:start;margin-top:10px}.mv-controls button{font-size:9px;min-height:38px;gap:10px;padding:8px 0}.mv-controls button i{width:4px;height:4px}}
@media(max-width:750px) and (max-height:760px){.nb-sticky{padding-top:12px;padding-bottom:12px}.nb-stage{height:250px}.nb-scene-meta{margin-bottom:28px}.nb-book{transform:translateX(calc((1 - var(--nb-open,0))*-25%)) scale(calc(1.1 - var(--nb-open,0)*.1)) rotateX(5deg) rotateY(-3deg)}.nb-cover-front{padding-top:18px;padding-bottom:12px}.nb-cover-front>img{width:65px}.nb-cover-edition{margin-top:10px}.nb-cover-front>strong{font-size:21px;margin-top:17px}.nb-cover-drawing{height:35px}.nb-page-top{margin-bottom:12px}.nb-paper h3{font-size:17px;margin-bottom:12px}.nb-first h3{font-size:18px}.nb-paper>p{font-size:5px;line-height:1.7;margin-bottom:9px}.nb-note-kicker{font-size:3.5px;margin-bottom:10px}.nb-hand-note{font-size:9px}.nb-illustration{height:64px;margin-bottom:12px}.nb-listen{height:55px}.nb-large-yes{font-size:21px;margin:8px 0 18px}.nb-checklist{font-size:5px;gap:9px;margin-bottom:14px}.nb-caption{margin-top:28px;min-height:85px}.nb-caption>p{font-size:11px}.nb-controls{margin-top:8px}.nb-controls button{min-height:33px}.mv-world{height:290px}.mv-word>span{font-size:33px}.mv-word>strong{font-size:71px}.mv-ghost-number{font-size:145px}.mv-copy{min-height:115px;margin-top:17px}.mv-copy>p{font-size:12px;line-height:1.75}.mv-controls{margin-top:8px}.mv-meta{font-size:5px}}
@media(prefers-reduced-motion:reduce){.nb-scroll,.mv-scroll{height:auto}.nb-sticky,.mv-sticky{position:relative;top:0;height:auto;min-height:0;padding-top:45px;padding-bottom:45px}.nb-book{transition:none;rotate:none}.nb-leaf,.nb-cover,.mv-word{will-change:auto}.nb-controls{margin-top:25px}}
/* Cada tapa y hoja ocupa su propio plano físico. */
.nb-cover{transform:translateZ(var(--nb-cover-z,5px)) rotateY(var(--nb-cover))}.nb-cover-front{transform:translateZ(.8px)}.nb-leaf[data-leaf="1"]{transform:translateZ(var(--nb-leaf-1-z,3px)) rotateY(var(--nb-leaf-1))}.nb-leaf[data-leaf="2"]{transform:translateZ(var(--nb-leaf-2-z,1.5px)) rotateY(var(--nb-leaf-2))}
/* Evita el desplazamiento interno al enfocar los atajos. */
.nb-sticky,.mv-sticky,.cx-orbit-sticky{overflow:clip}.mv-world{overflow:clip}
@media(max-width:750px){.mv-word>strong{font-size:clamp(58px,19.5vw,80px)}}