:root{--blue:#104060;--blue2:#153e59;--ink:#181818;--muted:#5c6872;--line:rgba(16,64,96,.12);--paper:#f8fafb;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;overflow-x:hidden}a{text-decoration:none;color:inherit}.container{width:min(1280px,calc(100vw - 42px));margin:auto}.top-progress{position:fixed;z-index:200;left:0;right:0;top:0;height:3px}.top-progress span{display:block;height:100%;width:0;background:var(--blue)}
.nav-shell{position:fixed;z-index:100;top:14px;left:50%;transform:translateX(-50%);width:min(1300px,calc(100vw - 24px));height:76px;padding:7px 18px 7px 12px;border:1px solid rgba(16,64,96,.08);border-radius:23px;background:#fff;backdrop-filter:none;box-shadow:0 15px 45px rgba(18,49,68,.08);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-crop{width:350px;height:62px;position:relative;overflow:hidden;display:block;flex:0 0 auto}.brand-crop img{position:absolute;width:567px;max-width:none;height:auto;left:-117px;top:-139px;mix-blend-mode:multiply}nav{display:flex;gap:30px;font-size:.91rem;font-weight:750;color:#53616b}nav a:hover{color:var(--blue)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:800;transition:.25s ease}.nav-cta{padding:13px 21px;background:var(--blue);color:#fff}.btn{min-height:52px;padding:0 24px}.btn.primary{background:var(--blue);color:#fff;box-shadow:0 16px 32px rgba(16,64,96,.18)}.btn.secondary{background:rgba(255,255,255,.88);border:1px solid var(--line);color:var(--blue)}.btn:hover,.nav-cta:hover{transform:translateY(-2px)}.btn.big{min-height:58px;padding:0 30px}
.product-story{height:220vh;position:relative}.story-sticky{height:100vh;position:sticky;top:0;overflow:hidden;display:flex;align-items:center;background:linear-gradient(145deg,#fbfcfd,#f2f6f9);isolation:isolate}.story-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(16,64,96,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(16,64,96,.045) 1px,transparent 1px);background-size:34px 34px;mask-image:radial-gradient(circle at 65% 50%,#000 15%,transparent 74%);opacity:.75}.gondola-story .story-sticky{background:linear-gradient(145deg,#f7fafc,#edf4f7)}.cabina-story .story-sticky{background:linear-gradient(145deg,#fbfcfd,#edf3f6)}
.orb{position:absolute;border-radius:50%;filter:blur(16px);pointer-events:none}.orb-a,.orb-c,.orb-e{width:520px;height:520px;right:-100px;top:90px;background:radial-gradient(circle,rgba(16,64,96,.11),transparent 70%)}.orb-b,.orb-d,.orb-f{width:340px;height:340px;left:-90px;bottom:-20px;background:radial-gradient(circle,rgba(16,64,96,.055),transparent 70%)}
.story-copy{position:absolute;z-index:20;left:max(34px,calc((100vw - 1320px)/2));top:50%;transform:translateY(-50%);width:min(46vw,650px)}.eyebrow{font-size:.8rem;font-weight:900;letter-spacing:.17em;color:var(--blue);margin-bottom:16px}.story-copy h1,.story-copy h2{margin:0;max-width:700px;font-size:clamp(3.15rem,5.45vw,5.8rem);line-height:.95;letter-spacing:-.058em}.story-copy h2{font-size:clamp(3rem,5vw,5.25rem)}.story-copy h1 span,.story-copy h2 span,.closing h2 span{color:var(--blue)}.story-copy p{max-width:590px;margin:22px 0 27px;color:var(--muted);font-size:1.08rem;line-height:1.78}.hero-actions,.closing-actions{display:flex;gap:13px;flex-wrap:wrap}.stat-row{display:grid;grid-template-columns:repeat(2,minmax(0,220px));gap:14px;margin-top:28px}.stat-row>div{background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:18px;padding:15px 17px}.stat-row strong{display:block;color:var(--blue);font-size:1rem}.stat-row small{display:block;margin-top:5px;color:var(--muted);line-height:1.4}
.product-stage{position:absolute;z-index:10;right:max(-30px,calc((100vw - 1480px)/2));top:51%;transform:translateY(-48%);width:min(58vw,880px);height:min(82vh,860px);display:grid;place-items:center;will-change:transform}.banca-stage{width:min(55vw,820px);height:min(79vh,790px);right:max(-35px,calc((100vw - 1460px)/2))}.gondola-stage{width:min(57vw,860px);height:min(80vh,830px)}.cabina-stage{width:min(59vw,920px);height:min(82vh,860px);right:max(-45px,calc((100vw - 1500px)/2))}.product-frame{position:relative;z-index:4;width:94%;height:94%;object-fit:contain;user-select:none;pointer-events:none;filter:drop-shadow(0 34px 32px rgba(20,45,65,.12))}.banca-stage .product-frame{width:90%;height:90%}.cabina-stage .product-frame{width:98%;height:98%}.product-glow{position:absolute;width:78%;height:78%;border-radius:50%;background:radial-gradient(circle,rgba(16,64,96,.12),rgba(16,64,96,.02) 56%,transparent 72%);filter:blur(12px)}.product-ring{position:absolute;border-radius:50%;border:1px solid rgba(16,64,96,.1)}.ring-1{width:74%;height:74%}.ring-2{width:57%;height:57%;border-style:dashed}.product-floor{position:absolute;z-index:2;width:66%;height:9%;bottom:8%;left:20%;border-radius:50%;background:radial-gradient(ellipse,rgba(16,64,96,.16),rgba(16,64,96,.045) 45%,transparent 72%);filter:blur(13px)}
.product-chip{position:absolute;z-index:8;display:flex;gap:12px;align-items:flex-start;padding:15px 17px;border-radius:18px;background:rgba(255,255,255,.78);backdrop-filter:blur(15px);border:1px solid rgba(255,255,255,.9);box-shadow:0 18px 34px rgba(16,50,75,.09)}.product-chip>span{width:10px;height:10px;flex:0 0 auto;border-radius:50%;margin-top:5px;background:var(--blue);box-shadow:0 0 0 6px rgba(16,64,96,.08)}.product-chip strong,.product-chip small{display:block}.product-chip strong{font-size:.91rem}.product-chip small{color:var(--muted);font-size:.76rem;margin-top:4px}.chip-a{left:3%;top:20%}.chip-b{right:0;bottom:18%}.chapter-marker{position:absolute;z-index:25;left:max(34px,calc((100vw - 1320px)/2));bottom:33px;display:flex;align-items:center;gap:13px;color:var(--muted)}.chapter-marker span{font-size:2.1rem;letter-spacing:-.06em;font-weight:900;color:rgba(16,64,96,.20)}.chapter-marker b{font-size:.72rem;letter-spacing:.13em}.scroll-hint{position:absolute;z-index:24;right:36px;bottom:32px;color:#61707b;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}.scroll-hint i{display:inline-block;width:40px;height:1px;background:#8ea0aa;margin-left:10px;vertical-align:middle}
.chapter-transition{height:112px;background:#fff;display:flex;align-items:center}.dark-transition{background:#0f2839;color:#fff}.transition-copy{display:flex;align-items:center;justify-content:center;gap:22px;font-size:.76rem;font-weight:900;letter-spacing:.16em}.transition-copy i{width:60px;height:1px;background:rgba(16,64,96,.22)}.dark-transition i{background:rgba(255,255,255,.25)}
.process-strip{background:#102838;color:#fff;padding:29px 0}.process-strip .container{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}.process-strip span{font-size:.72rem;font-weight:900;letter-spacing:.13em}.process-strip i{width:32px;height:1px;background:rgba(255,255,255,.28)}
.closing{padding:120px 0 125px;background:linear-gradient(180deg,#f8fafb,#fff)}.closing-shell{max-width:1050px}.closing h2{font-size:clamp(3rem,6vw,6.2rem);line-height:.94;letter-spacing:-.06em;margin:0}.closing p{max-width:760px;color:var(--muted);font-size:1.12rem;line-height:1.75;margin:25px 0 30px}footer{padding:0 0 34px}.footer-inner{border-top:1px solid var(--line);padding-top:20px;display:flex;align-items:center;justify-content:space-between;color:var(--muted)}.footer-logo{width:290px;height:52px}.footer-logo img{width:470px;left:-97px;top:-115px}
@media(max-width:1100px){nav{display:none}.brand-crop{width:300px;height:54px}.brand-crop img{width:486px;left:-100px;top:-119px}.product-story{height:205vh}.story-copy{left:24px;top:25%;transform:none;width:calc(100vw - 48px);max-width:780px}.story-copy h1,.story-copy h2{max-width:760px;font-size:clamp(2.7rem,7.5vw,4.6rem)}.story-copy p{max-width:650px}.product-stage,.banca-stage,.gondola-stage,.cabina-stage{right:50%;top:63%;transform:translate(50%,-18%);width:min(92vw,820px);height:55vh}.chapter-marker{left:24px}.chip-a{left:2%;top:16%}.chip-b{right:1%;bottom:15%}}
@media(max-width:720px){.nav-shell{height:66px;top:8px}.brand-crop{width:245px;height:44px}.brand-crop img{width:397px;left:-82px;top:-97px}.nav-cta{display:none}.product-story{height:190vh}.story-sticky{align-items:flex-start}.story-copy{top:95px;left:20px;width:calc(100vw - 40px)}.story-copy h1,.story-copy h2{font-size:clamp(2.35rem,10.5vw,3.6rem)}.story-copy p{font-size:.96rem;line-height:1.62;margin:15px 0 18px}.hero-actions{gap:9px}.btn{min-height:46px;padding:0 18px;font-size:.9rem}.stat-row{display:none}.product-stage,.banca-stage,.gondola-stage,.cabina-stage{top:61%;width:116vw;height:48vh;right:50%;transform:translate(50%,-20%)}.product-chip{transform:scale(.83)}.chip-a{left:3%;top:16%}.chip-b{right:0;bottom:12%}.chapter-marker{left:20px;bottom:22px}.scroll-hint{display:none}.chapter-transition{height:86px}.transition-copy{gap:10px;font-size:.64rem}.transition-copy i{width:24px}.closing{padding:85px 0}.footer-inner{flex-direction:column;align-items:flex-start;gap:12px}}
.product-frame{translate:var(--mx,0) var(--my,0);transition:translate .12s linear}


/* Third chapter · real process models */
.process-story{height:300vh;position:relative}
.process-sticky-shell{height:100vh;position:sticky;top:0;overflow:hidden;background:linear-gradient(145deg,#fbfcfd,#edf4f8);isolation:isolate}
.process-copy{width:min(44vw,620px)}
.process-copy h2{font-size:clamp(3rem,5vw,5.3rem)}
.process-copy p{max-width:585px}
.process-timeline{display:grid;grid-template-columns:repeat(2,minmax(0,220px));gap:11px 13px;max-width:470px;margin-top:27px}
.process-step{display:flex;align-items:center;gap:12px;min-height:65px;padding:12px 15px;border-radius:17px;border:1px solid rgba(16,64,96,.10);background:rgba(255,255,255,.68);color:#65737e;transition:background .28s ease,color .28s ease,border-color .28s ease,transform .28s ease,box-shadow .28s ease}
.process-step b{display:grid;place-items:center;width:35px;height:35px;flex:0 0 auto;border-radius:50%;background:rgba(16,64,96,.08);font-size:.76rem;color:var(--blue)}
.process-step strong,.process-step small{display:block}.process-step strong{font-size:.92rem}.process-step small{margin-top:3px;font-size:.72rem;color:inherit;opacity:.75}
.process-step.active{background:var(--blue);border-color:var(--blue);color:#fff;transform:translateY(-2px);box-shadow:0 17px 35px rgba(16,64,96,.17)}
.process-step.active b{background:rgba(255,255,255,.16);color:#fff}
.process-stage-real{position:absolute;z-index:10;right:max(-20px,calc((100vw - 1480px)/2));top:51%;transform:translateY(-48%);width:min(59vw,900px);height:min(82vh,850px);display:grid;place-items:center;will-change:transform}
.process-frame{position:absolute;z-index:4;width:96%;height:96%;object-fit:contain;user-select:none;pointer-events:none;filter:drop-shadow(0 36px 33px rgba(20,45,65,.13));will-change:opacity,transform;transition:opacity .08s linear}
.frame-a{opacity:1}.frame-b{opacity:0}
.process-chip{position:absolute;z-index:8;display:flex;gap:12px;align-items:flex-start;padding:15px 17px;border-radius:18px;background:rgba(255,255,255,.80);backdrop-filter:blur(15px);border:1px solid rgba(255,255,255,.92);box-shadow:0 18px 34px rgba(16,50,75,.09)}
.process-chip>span{width:10px;height:10px;flex:0 0 auto;border-radius:50%;margin-top:5px;background:var(--blue);box-shadow:0 0 0 6px rgba(16,64,96,.08)}
.process-chip strong,.process-chip small{display:block}.process-chip strong{font-size:.91rem}.process-chip small{color:var(--muted);font-size:.76rem;margin-top:4px;line-height:1.4}.process-chip.chip-a{left:3%;top:19%}.process-chip.chip-b{right:1%;bottom:18%}
.process-stage-real .product-floor{bottom:7%}
@media(max-width:1100px){.process-story{height:275vh}.process-copy{left:24px;top:22%;transform:none;width:calc(100vw - 48px);max-width:780px}.process-copy h2{font-size:clamp(2.7rem,7.5vw,4.6rem)}.process-timeline{grid-template-columns:repeat(4,minmax(0,1fr));max-width:780px}.process-step{min-height:58px;padding:10px}.process-step b{width:31px;height:31px}.process-step small{display:none}.process-stage-real{right:50%;top:65%;transform:translate(50%,-18%);width:min(94vw,840px);height:54vh}.process-chip.chip-a{left:2%;top:15%}.process-chip.chip-b{right:1%;bottom:12%}}
@media(max-width:720px){.process-story{height:245vh}.process-copy{top:90px;left:20px;width:calc(100vw - 40px)}.process-copy h2{font-size:clamp(2.35rem,10vw,3.55rem)}.process-copy p{font-size:.94rem;line-height:1.56;margin:14px 0 16px}.process-timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:14px}.process-step{min-height:49px;padding:8px 10px}.process-step strong{font-size:.82rem}.process-step b{width:28px;height:28px}.process-stage-real{top:66%;width:120vw;height:45vh;right:50%;transform:translate(50%,-20%)}.process-frame{width:100%;height:100%}.process-chip{transform:scale(.82)}.process-chip.chip-a{left:2%;top:13%}.process-chip.chip-b{right:-1%;bottom:8%}}

/* Fixed isometric process view */
.process-stage-real{transform:translateY(-48%) !important;}
.process-frame{width:98%;height:98%;transition:opacity .18s ease;}
@media(max-width:1100px){.process-stage-real{transform:translate(50%,-18%) !important;}}
@media(max-width:720px){.process-stage-real{transform:translate(50%,-20%) !important;}}


/* WhatsApp flotante */
.whatsapp-float{position:fixed;right:24px;bottom:24px;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;background:#25D366;color:#fff;box-shadow:0 14px 34px rgba(0,0,0,.20);z-index:9999;transition:transform .22s ease,box-shadow .22s ease}
.whatsapp-float svg{width:34px;height:34px;display:block}
.whatsapp-float:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 18px 38px rgba(0,0,0,.24)}
.whatsapp-float:focus-visible{outline:3px solid rgba(37,211,102,.32);outline-offset:4px}
@media(max-width:680px){.whatsapp-float{right:16px;bottom:16px;width:56px;height:56px}.whatsapp-float svg{width:32px;height:32px}}

/* WhatsApp CTA mejorado */
.whatsapp-float{overflow:visible}
.whatsapp-label{position:absolute;right:72px;white-space:nowrap;background:#fff;color:#17384b;border:1px solid rgba(16,64,96,.10);border-radius:999px;padding:10px 14px;font-size:.82rem;font-weight:800;letter-spacing:.01em;box-shadow:0 10px 28px rgba(0,0,0,.12);opacity:1;transform:translateX(0);pointer-events:none}
@media(max-width:760px){.whatsapp-label{display:none}}