:root{
  --red:#d7000f;--red-hi:#ff3347;--ink:#141414;--ink2:#1e1e1f;--cream:#f4f0e8;--paper:#fffdf9;
  --mut:#5c5a55;--line:rgba(20,20,20,.12);--r:28px;--ease:cubic-bezier(.22,1,.36,1);
  --safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px);
  --f-h:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;--f-b:"DM Sans",system-ui,sans-serif;--f-m:"DM Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font:400 17px/1.6 var(--f-b);color:var(--ink);background:var(--cream);overflow-x:hidden}
body.is-loading,body.menu-open{overflow:hidden}
img{display:block;max-width:100%}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}
.mono{font-family:var(--f-m);letter-spacing:.06em;text-transform:uppercase;font-size:12.5px}
h1,h2,h3{font-family:var(--f-h);line-height:1.02;letter-spacing:-.025em}
h2{font-size:clamp(34px,9.5vw,60px);font-weight:800}h2 em{font-style:normal;color:var(--red)}
h3{font-size:22px;font-weight:800}
:focus-visible{outline:3px solid var(--red-hi);outline-offset:3px}

/* loader */
#loader{position:fixed;inset:0;z-index:200;background:var(--ink);color:#fff;display:grid;place-content:center;justify-items:center;gap:22px;transition:transform .9s var(--ease),opacity .4s .5s}
#loader.done{transform:translateY(-100%);opacity:0;pointer-events:none}
.ld-wall{display:grid;grid-template-columns:repeat(4,44px);gap:5px}
.ld-wall i{height:22px;border-radius:5px;background:var(--red);transform:translateY(-30px) scale(.6);opacity:0;animation:brick .5s var(--ease) forwards}
.ld-wall i:nth-child(odd){background:#2b2b2c}
.ld-wall i:nth-child(1){grid-column:span 2}.ld-wall i:nth-child(4){grid-column:span 2}
.ld-wall i:nth-child(7){grid-column:span 2}.ld-wall i:nth-child(10){grid-column:span 2}
.ld-wall i:nth-child(n){animation-delay:calc(var(--i,0)*70ms)}
@keyframes brick{to{transform:none;opacity:1}}
.ld-bar{width:180px;height:4px;border-radius:9px;background:#333;overflow:hidden}.ld-bar b{display:block;height:100%;width:0;background:var(--red-hi);transition:width .2s}
#loader p{opacity:.7}
.scroll-rule{position:fixed;inset:0 0 auto;height:4px;z-index:90;background:repeating-linear-gradient(90deg,transparent 0 9px,rgba(0,0,0,.18) 9px 10px)}
.scroll-rule b{display:block;height:100%;width:100%;background:var(--red);transform:scaleX(0);transform-origin:left;will-change:transform}

/* header */
.site-header{position:fixed;top:calc(var(--safe-t) + 10px);left:12px;right:12px;z-index:80;height:64px;padding:0 8px 0 10px;display:flex;align-items:center;justify-content:space-between;border-radius:22px;background:rgba(20,20,20,.55);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);color:#fff;border:1px solid rgba(255,255,255,.14);transition:transform .5s var(--ease),background .3s}
.site-header.hide{transform:translateY(-130%)}.site-header.solid{background:rgba(20,20,20,.9)}
.brand{display:flex;align-items:center;gap:10px;min-height:48px}
.brand img{width:44px;height:44px;border-radius:12px;background:#fff;padding:3px;object-fit:contain}
.brand span{display:flex;flex-direction:column;line-height:1.1}.brand strong{font:800 16px var(--f-h)}.brand small{font:500 10.5px var(--f-m);letter-spacing:.14em;text-transform:uppercase;opacity:.75}
.burger{width:48px;height:48px;border-radius:16px;border:0;background:rgba(255,255,255,.12);display:grid;place-content:center;gap:6px;cursor:pointer}
.burger span{display:block;width:22px;height:2.5px;border-radius:3px;background:#fff;transition:transform .4s var(--ease),opacity .2s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(8.5px) rotate(45deg)}.burger[aria-expanded=true] span:nth-child(2){opacity:0}.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-8.5px) rotate(-45deg)}
.desktop-nav{display:none}

/* sheet */
.backdrop{position:fixed;inset:0;z-index:95;background:rgba(10,10,10,.55);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .4s}
.backdrop.on{opacity:1;pointer-events:auto}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:100;background:var(--paper);border-radius:32px 32px 0 0;padding:6px 20px calc(24px + var(--safe-b));display:grid;gap:12px;transform:translateY(105%);transition:transform .55s var(--ease);box-shadow:0 -20px 60px rgba(0,0,0,.3);max-height:92vh;touch-action:none}
.sheet.on{transform:none}.sheet.drag{transition:none}
.sheet-handle{padding:12px 0 6px;display:grid;place-items:center;cursor:grab}.sheet-handle i{width:46px;height:5px;border-radius:9px;background:#c9c5bb}
.sheet-nav{display:grid}
.sheet-nav a{display:flex;align-items:center;gap:14px;min-height:60px;font:800 26px var(--f-h);border-bottom:1px solid var(--line);border-radius:12px;opacity:0;transform:translateY(16px);transition:opacity .5s,transform .6s var(--ease)}
.sheet.on .sheet-nav a{opacity:1;transform:none}
.sheet.on .sheet-nav a:nth-child(2){transition-delay:.06s}.sheet.on .sheet-nav a:nth-child(3){transition-delay:.12s}.sheet.on .sheet-nav a:nth-child(4){transition-delay:.18s}
.sheet-nav b{font:500 12px var(--f-m);color:var(--red)}

/* buttons */
.btn{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:56px;padding:0 26px;border-radius:18px;font:700 17px var(--f-b);border:2px solid transparent;cursor:pointer;isolation:isolate}
.btn-red{background:var(--red);color:#fff;box-shadow:0 12px 28px rgba(215,0,15,.35)}
.btn-wa{background:#fff;color:var(--ink)}
.btn-glass{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.35);backdrop-filter:blur(10px)}
.btn-line{border-color:currentColor;color:inherit}
.press{transition:transform .25s var(--ease),opacity .2s,filter .2s;touch-action:manipulation}
.press:active{transform:scale(.97);filter:brightness(.94)}
.rip{position:absolute;z-index:-1;width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.45);transform:translate(-50%,-50%) scale(0);animation:rip .6s ease-out forwards;pointer-events:none}
@keyframes rip{to{transform:translate(-50%,-50%) scale(24);opacity:0}}

/* hero */
.hero{position:relative;min-height:100svh;color:#fff;background:var(--ink);display:flex;align-items:flex-end;overflow:hidden;padding:110px 22px calc(60px + var(--safe-b))}
.hero-photo{position:absolute;inset:-8% 0;background:url(assets/obra.webp) 50% 35%/cover;filter:grayscale(.4) contrast(1.05);will-change:transform}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,20,20,.55),rgba(20,20,20,.35) 35%,rgba(20,20,20,.96) 85%)}
.blueprint{position:absolute;inset:0;opacity:.18;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:linear-gradient(#000,transparent 70%);mask-image:linear-gradient(#000,transparent 70%);animation:grid 20s linear infinite}
@keyframes grid{to{background-position:44px 44px}}
.hero-house{position:absolute;top:104px;right:-10px;width:56vw;max-width:300px;color:var(--red-hi);opacity:.9}
.draw{stroke-dasharray:400;stroke-dashoffset:400;animation:draw 2.4s var(--ease) 1.2s forwards}.draw:nth-child(2){animation-delay:1.5s}.draw:nth-child(3){animation-delay:1.9s}.draw:nth-child(4){animation-delay:2.2s}
@keyframes draw{to{stroke-dashoffset:0}}
.hero-in{position:relative;width:100%;max-width:640px}
.tag{display:inline-flex;align-items:center;gap:10px;font:500 12.5px var(--f-m);letter-spacing:.14em;text-transform:uppercase;padding:9px 14px;border-radius:99px;background:rgba(255,255,255,.12);backdrop-filter:blur(8px);margin-bottom:20px}
.tag i{width:8px;height:8px;border-radius:50%;background:var(--red-hi);box-shadow:0 0 0 0 var(--red-hi);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px transparent}}
h1{font-size:clamp(44px,13.5vw,92px);font-weight:800;margin-bottom:20px}
h1 span{display:inline-block;opacity:0;transform:translateY(60%) rotate(4deg);filter:blur(6px);transition:opacity .8s,transform .9s var(--ease),filter .8s;transition-delay:calc(var(--w,0)*90ms + .2s)}
h1 .red{color:var(--red-hi)}
.lead{font-size:18px;max-width:34ch;opacity:.88;margin-bottom:26px}
.hero-cta{display:grid;gap:12px;margin-bottom:34px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stats div{padding:14px 12px;border-radius:20px;background:rgba(255,255,255,.1);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.14)}
.stats b{display:block;font:800 30px var(--f-h)}.stats span{font-size:13px;line-height:1.25;display:block;opacity:.8}
.scroll-hint{display:none}

/* reveal */
.rv{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s);will-change:transform,opacity}
.rv.in{opacity:1;transform:none}
body.ready h1 span{opacity:1;transform:none;filter:none}
body.ready .hero .rv{opacity:1;transform:none}
.no-js .rv,.no-js h1 span{opacity:1;transform:none}

/* tape */
.tape{background:var(--red);color:#fff;overflow:hidden;transform:rotate(-2deg) scale(1.05);margin:-14px 0 10px;position:relative;z-index:2;border-block:6px solid var(--ink);box-shadow:0 10px 30px rgba(0,0,0,.25)}
.tape-run{display:flex;width:max-content;animation:run 22s linear infinite}
.tape span{font:800 20px var(--f-h);text-transform:uppercase;padding:14px 22px;white-space:nowrap}
.tape span:after{content:"✦";margin-left:44px;color:var(--ink)}
@keyframes run{to{transform:translateX(-50%)}}

/* sections */
.sec{padding:72px 0 40px}
.sec>*:not(.snap){margin-inline:22px}
.sec-head{display:grid;gap:14px;margin-bottom:30px}.sec-head p:last-child{color:var(--mut)}
.kicker{color:var(--red);margin-bottom:10px;display:block}
.dark{background:var(--ink);color:#fff;border-radius:var(--r) var(--r) 0 0;margin-top:30px;padding-bottom:70px}
.dark .sec-head p,.dark .kicker+*{color:inherit}.dark .kicker{color:var(--red-hi)}

/* image skeleton */
img[data-sk]{background:linear-gradient(100deg,#e6e1d6 30%,#f6f2ea 50%,#e6e1d6 70%) 0 0/200% 100%;animation:sk 1.3s linear infinite;opacity:.001;transition:opacity .7s}
img[data-sk].ok{opacity:1;animation:none}
@keyframes sk{to{background-position:-200% 0}}

/* cards */
.snap{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 22px 22px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.snap::-webkit-scrollbar{display:none}
.card-ph{flex:0 0 82%;scroll-snap-align:center;border-radius:var(--r);overflow:hidden;background:var(--ink);color:#fff;position:relative;min-height:420px;display:flex;align-items:flex-end;box-shadow:0 20px 40px -18px rgba(0,0,0,.5)}
.card-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.card-ph.in img.ok{transform:scale(1.06)}
.card-ph:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(20,20,20,.94));z-index:1}
.card-ph div{position:relative;z-index:2;padding:22px;display:grid;gap:8px}.card-ph span{color:var(--red-hi)}.card-ph p{opacity:.85;font-size:16px}
.swipe{text-align:center;color:var(--mut);margin-bottom:28px!important}.swipe span{display:inline-block;animation:nudge 1.4s ease-in-out infinite}
@keyframes nudge{50%{transform:translateX(8px)}}
.mini-grid{display:grid;gap:12px}
.mini{padding:22px;border-radius:var(--r);background:var(--paper);border:1px solid var(--line);box-shadow:0 10px 30px -14px rgba(0,0,0,.18);display:grid;gap:6px;grid-template-columns:56px 1fr;align-items:center;column-gap:16px}
.mini svg{grid-row:span 2;width:56px;height:56px;padding:14px;border-radius:18px;background:var(--red);fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .5s var(--ease)}
.mini:active svg{transform:rotate(-12deg) scale(1.08)}.mini p{color:var(--mut);font-size:16px}

/* steps */
.steps{list-style:none;padding:0;position:relative;display:grid;gap:34px;padding-left:34px!important;margin-left:22px}
.steps:before,.steps:after{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:3px;border-radius:3px;background:#333}
.steps:after{background:var(--red-hi);transform-origin:top;transform:scaleY(var(--p,0));box-shadow:0 0 14px var(--red-hi)}
.steps li{position:relative}.steps li:before{content:"";position:absolute;left:-31px;top:6px;width:17px;height:17px;border-radius:50%;background:var(--ink);border:3px solid #444;transition:.5s;z-index:2}
.steps li.in:before{background:var(--red-hi);border-color:var(--red-hi);box-shadow:0 0 0 7px rgba(255,51,71,.2)}
.steps b{color:var(--red-hi)}.steps h3{margin:4px 0 6px}.steps p{opacity:.8}

/* before/after */
.ba{position:relative;aspect-ratio:4/5;max-width:560px;border-radius:var(--r);overflow:hidden;touch-action:pan-y;box-shadow:0 24px 50px -20px rgba(0,0,0,.5);background:#ddd}
.ba-img{position:absolute;inset:0;background:center/cover no-repeat}
.ba-after{background-image:var(--a)}.ba-before{background-image:var(--b);clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.ba-line{position:absolute;top:0;bottom:0;left:var(--pos);width:3px;margin-left:-1.5px;background:#fff;box-shadow:0 0 14px rgba(0,0,0,.5)}
.ba-line i{position:absolute;top:50%;left:50%;width:56px;height:56px;margin:-28px;border-radius:50%;background:var(--red);display:grid;place-items:center;border:3px solid #fff;box-shadow:0 8px 20px rgba(0,0,0,.4)}
.ba-line svg{width:26px;fill:none;stroke:#fff;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.chip{position:absolute;top:14px;padding:7px 12px;border-radius:99px;background:rgba(20,20,20,.7);color:#fff;backdrop-filter:blur(8px)}.chip.l{left:14px}.chip.r{right:14px;background:var(--red)}
#baRange{position:absolute;inset:0;width:100%;height:100%;opacity:0;margin:0;cursor:ew-resize}

/* about */
.about{display:grid;gap:30px}.about p:not(.kicker){color:var(--mut);margin:18px 0}
.about-logo{border-radius:var(--r);background:#fff;padding:26px;border:1px solid var(--line);box-shadow:0 24px 50px -24px rgba(0,0,0,.3);max-width:340px}
.about-logo img{border-radius:12px;animation:float 6s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-8px)}}
.facts{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.facts li{padding:16px 18px;border-radius:20px;background:var(--paper);border-left:6px solid var(--red);display:grid}.facts b{font:800 19px var(--f-h)}.facts span{color:var(--mut);font-size:15px}

/* cta */
.cta{padding:22px 14px 40px}
.cta-in{background:var(--red);color:#fff;border-radius:36px;padding:38px 24px;display:grid;gap:14px;position:relative;overflow:hidden}
.cta-in:before{content:"";position:absolute;inset:0;opacity:.14;background:repeating-linear-gradient(-45deg,#000 0 14px,transparent 14px 28px)}
.cta-in>*{position:relative}.cta .kicker{color:#fff;opacity:.9}.cta h2{font-size:clamp(32px,9vw,54px);margin-bottom:10px}
.mail{text-align:center;min-height:48px;display:grid;place-items:center;font-weight:700;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
footer{background:var(--ink);color:#fff;padding:34px 22px calc(110px + var(--safe-b));display:grid;gap:22px}
footer div{display:flex;gap:12px;align-items:center}footer img{background:#fff;border-radius:12px;padding:3px}footer span{display:grid;line-height:1.2}footer small{opacity:.7}
footer nav{display:flex;flex-wrap:wrap;gap:10px}footer nav a{min-height:48px;display:grid;place-items:center;padding:0 20px;border-radius:16px;border:1px solid rgba(255,255,255,.25)}

/* fab */
.fab{position:fixed;right:16px;bottom:calc(16px + var(--safe-b));z-index:70;width:64px;height:64px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 12px 30px rgba(37,211,102,.5);transform:translateY(140%) scale(.6);transition:transform .6s var(--ease)}
.fab.on{transform:none}.fab.on:active{transform:scale(.94)}
.fab svg{width:34px;fill:#fff}.fab:before{content:"";position:absolute;inset:0;border-radius:50%;border:3px solid #25d366;animation:ring 2.2s infinite}
@keyframes ring{to{transform:scale(1.7);opacity:0}}

@media(min-width:768px){
  body{font-size:18px}.site-header{left:50%;right:auto;width:min(980px,calc(100% - 40px));transform:translateX(-50%)}.site-header.hide{transform:translate(-50%,-130%)}
  .desktop-nav{display:flex;gap:6px}.desktop-nav a{padding:12px 16px;border-radius:14px;font-weight:700}.desktop-nav a:hover{background:rgba(255,255,255,.12)}.burger{display:none}
  .hero{padding-inline:max(40px,calc((100% - 1100px)/2))}.hero-cta{grid-auto-flow:column;justify-content:start}.hero-house{right:8%;top:140px;width:300px}
  .sec>*:not(.snap){margin-inline:max(40px,calc((100% - 1100px)/2))}.snap{padding-inline:max(40px,calc((100% - 1100px)/2))}.card-ph{flex-basis:360px}.swipe{display:none}
  .mini-grid{grid-template-columns:repeat(3,1fr)}.mini{grid-template-columns:1fr}.mini svg{grid-row:auto;margin-bottom:8px}
  .steps{grid-template-columns:repeat(4,1fr);padding-left:0!important;margin-top:20px}.steps:before,.steps:after{display:none}.steps li:before{position:static;display:block;margin-bottom:14px}
  .about{grid-template-columns:340px 1fr;align-items:center;gap:60px}.ba{margin-inline:auto!important}.cta-in{max-width:900px;margin:auto;padding:60px}
  .cta-in .btn{max-width:360px}.sheet,.backdrop{display:none}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.rv,h1 span{opacity:1;transform:none;filter:none}.draw{stroke-dashoffset:0}}

/* ===== ANIMACIONES EXTRA ===== */
.hero-crane{position:absolute;top:96px;left:4px;width:34vw;max-width:200px;color:#fff;opacity:.45}
.hero-house{width:44vw}
.trolley{opacity:0;animation:fadein .6s 2.6s forwards,trolley 7s ease-in-out 3s infinite alternate}
.hook{transform-box:fill-box;transform-origin:50% 0;animation:swing 3s ease-in-out 3s infinite alternate}
@keyframes fadein{to{opacity:1}}@keyframes trolley{to{transform:translateX(-62px)}}@keyframes swing{from{transform:rotate(-8deg)}to{transform:rotate(8deg)}}
.dust{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.dust i{position:absolute;bottom:-10px;border-radius:50%;background:#fff;opacity:0;animation:rise linear infinite}
@keyframes rise{10%{opacity:.5}90%{opacity:.15}to{transform:translate3d(var(--x),-100vh,0);opacity:0}}
h1 .red{position:relative}
h1 .red:after{content:"";position:absolute;left:0;right:0;bottom:.02em;height:.11em;border-radius:9px;background:var(--red-hi);transform:scaleX(0);transform-origin:left;transition:transform 1s var(--ease) 1.5s}
body.ready h1 .red:after{transform:scaleX(1)}
/* revoque: la foto se "enluce" de abajo hacia arriba */
.card-ph img{clip-path:inset(100% 0 0 0);transition:clip-path 1.3s var(--ease) calc(var(--d,0s) + .15s),transform 1.2s var(--ease),opacity .7s}
.card-ph.in img{clip-path:inset(0)}
/* destello que sigue al dedo */
.mini,.facts li{position:relative;overflow:hidden}
.card-ph:after,.mini:after,.facts li:after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(circle 130px at var(--mx,50%) var(--my,50%),rgba(255,255,255,.28),transparent)}
.mini:after,.facts li:after{background:radial-gradient(circle 130px at var(--mx,50%) var(--my,50%),rgba(215,0,15,.2),transparent)}
.card-ph:active:after,.mini:active:after,.facts li:active:after,.card-ph:hover:after,.mini:hover:after{opacity:1}
/* iconos que cobran vida */
.mini.in:nth-child(1) svg{animation:flick 1.3s .5s}.mini.in:nth-child(2) svg{animation:drip 1s .6s var(--ease)}.mini.in:nth-child(3) svg{animation:roll 1.1s .7s var(--ease)}
@keyframes flick{0%,30%,55%{filter:brightness(1)}15%,45%,70%{filter:brightness(2)}}
@keyframes drip{0%{transform:translateY(-26px) scale(.8,1.2)}60%{transform:translateY(4px) scale(1.15,.85)}100%{transform:none}}
@keyframes roll{0%{transform:rotate(-30deg)}60%{transform:rotate(14deg)}100%{transform:none}}
.steps li.in b{display:inline-block;animation:pop .7s var(--ease)}
@keyframes pop{0%{transform:scale(.3)}60%{transform:scale(1.5)}100%{transform:none}}
/* muro que se levanta ladrillo a ladrillo */
.wall{display:grid;grid-template-columns:repeat(8,1fr);gap:4px;padding:14px 14px 0;overflow:hidden}
.wall i{height:20px;border-radius:5px;background:var(--red);opacity:0;transform:translateY(-70px) rotate(var(--rot,6deg));transition:opacity .3s calc(var(--k)*45ms),transform .8s cubic-bezier(.34,1.56,.64,1) calc(var(--k)*45ms)}
.wall i:nth-child(3n){background:var(--ink)}.wall i:nth-child(n+9){translate:6% 0}
.wall.in i{opacity:1;transform:none}
/* nivel de burbuja */
.level{width:min(100%,260px);height:36px;border-radius:99px;background:rgba(255,255,255,.18);border:2px solid #fff;position:relative;margin-bottom:6px;overflow:hidden}
.level:before{content:"";position:absolute;left:calc(50% - 30px);right:calc(50% - 30px);top:6px;bottom:6px;border-inline:2px solid rgba(255,255,255,.7)}
.level i{position:absolute;top:5px;left:50%;width:50px;height:20px;border-radius:99px;background:#d9ff5c;box-shadow:inset 0 -3px 5px rgba(0,0,0,.2);transform:translateX(-330%)}
.cta-in.in .level i{animation:bubble 2.6s .3s forwards}
@keyframes bubble{30%{transform:translateX(120%)}55%{transform:translateX(-150%)}75%{transform:translateX(-30%)}100%{transform:translateX(-50%)}}
.cta-in:before{animation:hz 1.6s linear infinite}@keyframes hz{to{background-position:39.6px 0}}
@media(min-width:768px){.hero-crane{left:6%;top:130px;width:200px}.hero-house{width:300px}}
@media(prefers-reduced-motion:reduce){.dust{display:none}.wall i,.level i{opacity:1;transform:none}.card-ph img{clip-path:none}}

/* trabajos reales */
.tabs{display:flex;gap:8px;margin-bottom:16px!important;flex-wrap:wrap}
.tab{min-height:48px;padding:0 22px;border-radius:16px;border:2px solid var(--ink);background:transparent;color:var(--ink);font:700 16px var(--f-b);cursor:pointer;transition:background .3s,color .3s,transform .25s var(--ease)}
.tab.on{background:var(--ink);color:#fff}
.gal{margin-top:18px}.gal .card-ph{min-height:340px}
.btn-fb{background:#1877f2;color:#fff;margin-top:6px;box-shadow:0 12px 28px rgba(24,119,242,.35);max-width:560px}
.btn-fb:before{content:"f";font:800 26px var(--f-h);margin-right:10px}

/* ===== OBRAS COMPLETADAS ===== */
.sheet.on .sheet-nav a:nth-child(5){transition-delay:.24s}
.obras{display:grid;gap:18px}
.obra{position:relative;text-align:left;font:inherit;color:inherit;padding:0;border:0;cursor:pointer;border-radius:var(--r);overflow:hidden;background:var(--ink);box-shadow:0 24px 44px -22px rgba(0,0,0,.55);display:block;width:100%}
.obra-cover{position:relative;aspect-ratio:4/3.1;overflow:hidden}
.obra-cover img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease),opacity .7s}
.obra:active .obra-cover img{transform:scale(1.05)}
.obra-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,20,20,.35),transparent 35%,rgba(20,20,20,.9))}
.obra-cnt{position:absolute;z-index:2;top:14px;right:14px;display:flex;align-items:center;gap:7px;padding:8px 13px;border-radius:99px;background:rgba(20,20,20,.7);backdrop-filter:blur(8px);color:#fff}
.obra-cnt svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.obra-tag{position:absolute;z-index:2;top:14px;left:14px;padding:8px 13px;border-radius:99px;background:var(--red);color:#fff}
.obra-b{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:20px 20px 18px;color:#fff;display:grid;gap:6px}
.obra-b h3{font-size:24px}.obra-b p{font-size:15.5px;opacity:.88;max-width:46ch}
.obra-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:4px;background:var(--ink)}
.obra-strip span{position:relative;aspect-ratio:1;overflow:hidden;border-radius:12px;background:#222}
.obra-strip img{width:100%;height:100%;object-fit:cover}
.obra-strip .more{display:grid;place-items:center;font:800 22px var(--f-h);color:#fff;background:rgba(215,0,15,.88);position:absolute;inset:0}
.obra-go{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;min-height:52px;background:var(--ink);color:#fff;font-weight:700;border-top:1px solid rgba(255,255,255,.1)}
.obra-go i{font-style:normal;transition:transform .4s var(--ease)}.obra:active .obra-go i{transform:translateX(8px)}
/* visor */
.viewer{position:fixed;inset:0;z-index:150;background:#0c0c0d;color:#fff;display:grid;grid-template-rows:auto 1fr auto auto;transform:translateY(105%);transition:transform .6s var(--ease);visibility:hidden;padding-bottom:var(--safe-b);border-radius:28px 28px 0 0}
.viewer.on{transform:none;visibility:visible}.viewer.drag{transition:none}
.v-top{position:relative;display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:calc(var(--safe-t) + 26px) 16px 12px 20px;touch-action:none}
.v-grab{position:absolute;top:calc(var(--safe-t) + 10px);left:50%;width:46px;height:5px;margin-left:-23px;border-radius:9px;background:#444}
.v-top .mono{color:#ff5b69}.v-top h3{font-size:21px}
.v-close{flex:0 0 48px;width:48px;height:48px;border-radius:16px;border:0;background:rgba(255,255,255,.12);display:grid;place-items:center;cursor:pointer}.v-close svg{width:22px;fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round}
.v-stage{position:relative;min-height:0}
.v-track{height:100%;display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;overscroll-behavior-x:contain}.v-track::-webkit-scrollbar{display:none}
.v-slide{flex:0 0 100%;scroll-snap-align:center;display:grid;place-items:center;padding:0 10px;margin:0;min-height:0}
.v-slide img{max-width:100%;max-height:100%;border-radius:20px;object-fit:contain;background:linear-gradient(100deg,#151516 30%,#232325 50%,#151516 70%) 0 0/200% 100%;animation:sk 1.3s linear infinite;opacity:.001;transition:opacity .6s;box-shadow:0 20px 50px rgba(0,0,0,.6)}
.v-slide img.ok{opacity:1;animation:none}
.v-nav{display:none;position:absolute;top:50%;width:56px;height:56px;margin-top:-28px;border-radius:50%;border:0;background:rgba(255,255,255,.16);backdrop-filter:blur(8px);cursor:pointer;place-items:center}.v-nav svg{width:26px;fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}.prev{left:16px}.next{right:16px}
.v-info{padding:14px 20px 8px;display:grid;gap:6px;min-height:92px}.v-info .mono{color:#b9b6ae;display:flex;align-items:center;gap:10px}.v-info p:last-child{font-size:16.5px;color:#e8e4da}
.v-info b{padding:5px 11px;border-radius:99px;font-weight:500;background:#fff;color:var(--ink)}.v-info b:empty{display:none}
.v-info b[data-s=Antes]{background:#ffd23f;color:#141414}.v-info b[data-s=Durante]{background:#fff;color:#141414}.v-info b[data-s=Después]{background:var(--red);color:#fff}
.v-thumbs{display:flex;gap:8px;overflow-x:auto;padding:6px 16px 14px;scrollbar-width:none}.v-thumbs::-webkit-scrollbar{display:none}
.v-thumbs button{flex:0 0 64px;height:64px;padding:0;border-radius:14px;overflow:hidden;border:2px solid transparent;background:#222;opacity:.55;cursor:pointer;transition:opacity .3s,border-color .3s,transform .3s var(--ease)}
.v-thumbs button.on{opacity:1;border-color:var(--red);transform:scale(1.06)}.v-thumbs img{width:100%;height:100%;object-fit:cover}
@media(min-width:768px){.obras{grid-template-columns:repeat(2,1fr)}.obras .obra:first-child{grid-column:span 2}.obras .obra:first-child .obra-cover{aspect-ratio:16/7}
 .viewer{left:50%;right:auto;width:min(980px,100%);transform:translate(-50%,105%)}.viewer.on{transform:translateX(-50%)}.v-nav{display:grid}.v-slide{padding:0 70px}}
@media(prefers-reduced-motion:reduce){.viewer{transition-duration:.01ms}}
/* videos en el visor */
.v-slide video{max-width:100%;max-height:100%;border-radius:20px;background:#000;box-shadow:0 20px 50px rgba(0,0,0,.6)}
.v-thumbs button{position:relative}
.v-thumbs button.vid:after,.obra-strip span.vid:after{content:"";position:absolute;left:50%;top:50%;width:28px;height:28px;margin:-14px;border-radius:50%;background:rgba(215,0,15,.94) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 6v12l10-6z'/%3E%3C/svg%3E") center/16px no-repeat;pointer-events:none}
.v-slide{position:relative}
.v-play{position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px;border-radius:50%;border:3px solid #fff;background:rgba(215,0,15,.94);display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.v-play svg{width:36px;fill:#fff;margin-left:4px}