:root{--ink:#242424;--light:#a0a0a0;--border:#e5e5e5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:white;color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-weight:400;-webkit-font-smoothing:antialiased}button,a{font:inherit;color:inherit}a{text-decoration:none}button{border:0;background:none;cursor:pointer}.topbar{height:86px;position:fixed;z-index:12;top:0;left:0;right:0;padding:0 5.2vw;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(#fff 68%,rgba(255,255,255,.96));}.wordmark{display:flex;flex-direction:column;gap:4px;letter-spacing:.245em;font-size:13px;font-weight:500;line-height:1.1}.wordmark small{font-size:9px;letter-spacing:.37em;color:#777;font-weight:400}.topbar nav{display:flex;gap:38px;align-items:center}.topbar button{font-size:11px;letter-spacing:.105em;padding:10px 0}.topbar button:hover{text-decoration:underline;text-underline-offset:5px}#home{width:min(1180px,87.4vw);margin:auto;padding-top:106px;height:100dvh;display:grid;grid-template-columns:1fr 1fr;gap:28px;overflow:hidden;position:relative;touch-action:pan-x;overscroll-behavior:contain}#home:after{content:'';pointer-events:none;position:absolute;inset:86px 0 0;background:linear-gradient(to bottom,#fff 0%,transparent 9%,transparent 92%,#fff 100%)}.rail{will-change:transform;align-self:start;display:flex;flex-direction:column;gap:29px}.rail-right{padding-top:112px}.project-card{display:block;cursor:pointer;text-align:left;position:relative;width:100%;padding:0}.project-visual{position:relative;width:100%;overflow:hidden;background:#f2f2f0;aspect-ratio:1.15}.project-card:nth-child(3n+2) .project-visual{aspect-ratio:.87}.project-card:nth-child(4n) .project-visual{aspect-ratio:1.4}.project-visual img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.2,.7,.1,1)}.project-card:hover img{transform:scale(1.045)}.project-placeholder{height:100%;display:grid;place-items:center;padding:18px;background:linear-gradient(140deg,#f4f4f2,#ebebe9);color:#b0b0ac;text-align:center;font-size:11px;letter-spacing:.13em}.project-caption{display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding:10px 0 0;letter-spacing:.055em;text-transform:uppercase;font-size:10px}.project-caption small{color:#969696;font-size:9px;white-space:nowrap}.intro-hint{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);font-size:9px;letter-spacing:.2em;color:#999;z-index:5;pointer-events:none;background:#fff8;padding:8px 12px}.intro-hint span{padding-left:12px}#mobileSpacer{height:1px}dialog{border:0;padding:0;max-width:none;max-height:none;width:100vw;height:100dvh;margin:0;background:#fff;color:var(--ink);overflow-y:auto}dialog::backdrop{background:rgba(255,255,255,.98)}dialog[open]{animation:appear .22s ease-out}@keyframes appear{from{opacity:0}to{opacity:1}}.sheet{max-width:1160px;margin:auto;min-height:100%;padding:38px 5vw 28px;display:flex;flex-direction:column}.sheet-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:clamp(55px,10vh,130px)}.sheet-brand{font-size:11px;letter-spacing:.2em}.sheet-brand span{font-size:9px;color:#999;margin-left:12px}.close{font-size:11px;letter-spacing:.1em;padding:0}.close span{font-size:20px;vertical-align:-2px;margin-left:10px;font-weight:200}.sheet-content{max-width:850px}.sheet-content h1{font-weight:400;text-transform:uppercase;font-size:clamp(22px,4vw,50px);line-height:1.15;letter-spacing:.055em;margin:0 0 35px}.sheet-content h2{font-size:13px;font-weight:400;text-transform:uppercase;letter-spacing:.1em;margin:0 0 16px}.sheet-content p{font-size:clamp(14px,1.5vw,17px);line-height:1.85;font-weight:400;max-width:640px;color:#565656;margin:0 0 22px}.sheet-content .eyebrow{color:#aaa;text-transform:uppercase;letter-spacing:.14em;font-size:10px;margin-bottom:25px}.sheet-content .info{margin-top:42px;display:flex;flex-wrap:wrap;gap:38px;border-top:1px solid var(--border);padding-top:18px}.info div{display:flex;flex-direction:column;gap:9px;font-size:13px}.info small{font-size:9px;letter-spacing:.15em;color:#999;text-transform:uppercase}.gallery{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:55px 0}.gallery .project-visual{aspect-ratio:1.15}.gallery .project-visual:nth-child(3n){grid-column:span 2;aspect-ratio:2.3}.sheet-bottom{margin-top:auto;padding-top:80px;display:flex;justify-content:flex-end;font-size:10px;letter-spacing:.08em;color:#999}.sheet-bottom strong{color:#181818;font-weight:700}.contact-link{display:inline-block;font-size:16px;border-bottom:1px solid #222;padding-bottom:7px;margin-top:12px}.contact-note{font-size:12px!important;color:#999!important}.project-nav{margin:40px 0;display:flex;gap:30px;align-items:center}.project-nav button{font-size:11px;letter-spacing:.08em;border-bottom:1px solid #ddd;padding:0 0 7px}@media(max-width:700px){.topbar{height:70px;padding:0 5vw}.wordmark{font-size:11px}.wordmark small{font-size:8px}.topbar nav{gap:18px}.topbar button{font-size:10px}#home{width:94vw;gap:11px;padding-top:83px}.rail{gap:19px}.rail-right{padding-top:70px}.project-caption{font-size:8px;padding-top:7px;line-height:1.4}.project-caption small{display:none}.sheet{padding:28px 6vw}.sheet-top{margin-bottom:65px}.sheet-brand span{display:block;margin:6px 0 0}.gallery{gap:10px}.sheet-content .info{gap:22px}.intro-hint{white-space:nowrap;font-size:8px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* Version 3: stable and lightweight movement on mobile */
.rail{contain:layout style;backface-visibility:hidden;transform:translate3d(0,0,0)}
.project-card:focus-visible,.topbar a:focus-visible,.topbar button:focus-visible{outline:1px solid #222;outline-offset:4px}
@media(max-width:700px){
 #home{height:100dvh;min-height:400px;width:calc(100vw - 22px);gap:12px;padding-top:80px}
 #home:after{inset:69px 0 0;background:linear-gradient(to bottom,#fff 0%,transparent 6%,transparent 95%,#fff 100%)}
 .rail-right{padding-top:45px}
 .project-visual{aspect-ratio:.82}
 .project-card:nth-child(3n+2) .project-visual{aspect-ratio:.72}
 .project-card:nth-child(4n) .project-visual{aspect-ratio:1.08}
 .intro-hint{bottom:env(safe-area-inset-bottom,12px);padding:10px 12px}
 .project-caption{font-size:9px;letter-spacing:.025em;overflow-wrap:anywhere}
 dialog{height:100dvh}
}

/* V5 — photographic entry: one typeface, no rounded boxes or ornamental UI */
body.intro-active{overflow:hidden}
.entry-screen{position:fixed;inset:0;z-index:60;background:#f9f9f8;overflow:hidden;isolation:isolate;display:grid;place-items:center;transition:opacity .85s cubic-bezier(.2,.7,.2,1),visibility .85s}
.entry-screen.is-leaving{opacity:0;visibility:hidden;pointer-events:none}
.entry-photo{position:absolute;inset:-2%;background-position:center center;background-size:cover;will-change:opacity,transform;transform:scale(1.04);animation:entryZoom 20s ease-in-out infinite alternate}
.entry-photo-one{background-image:url('assets/intro/architecture-01.webp');animation:entryZoom 20s ease-in-out infinite alternate,photoOne 14s ease-in-out infinite}
.entry-photo-two{background-image:url('assets/intro/architecture-02.webp');opacity:0;animation:entryZoom 23s ease-in-out infinite alternate,photoTwo 14s ease-in-out infinite}
.entry-veil{position:absolute;inset:0;background:rgba(255,255,255,.68);pointer-events:none}
.entry-center{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:36px;margin-top:-8px}
.entry-logo{position:relative;width:min(520px,75vw);height:clamp(130px,21vw,215px);display:flex;align-items:center;justify-content:center;cursor:pointer;padding:20px;background:transparent;transition:transform .45s ease}
.entry-logo:hover{transform:translateY(-3px)}
.entry-frame{position:absolute;inset:0;pointer-events:none;background:linear-gradient(#303030,#303030) left top/100% 1.4px no-repeat,linear-gradient(#303030,#303030) left top/1.4px 100% no-repeat,linear-gradient(#303030,#303030) right top/1.4px 70% no-repeat,linear-gradient(#303030,#303030) left bottom/22% 1.4px no-repeat}
.entry-brand{display:flex;flex-direction:column;align-items:center;gap:13px;margin-left:10px;margin-top:13px;text-align:center;white-space:nowrap}
.entry-brand strong{font-size:clamp(21px,3.3vw,35px);font-weight:600;letter-spacing:.30em;line-height:1.1;padding-left:.30em}
.entry-brand>span{font-size:clamp(12px,2.2vw,22px);font-weight:300;letter-spacing:.29em;color:#5d5d5d;padding-left:.29em}
.entry-cta{font-size:10px;letter-spacing:.21em;padding:12px 3px;border-bottom:1px solid #555;transition:letter-spacing .3s,border-color .3s}
.entry-cta span{margin-left:16px;font-size:15px}
.entry-cta:hover{letter-spacing:.27em;border-color:#111}
.entry-index{position:absolute;bottom:clamp(24px,5vh,54px);left:0;width:100%;z-index:2;text-align:center;letter-spacing:.22em;font-size:9px;color:#444}
@keyframes photoOne{0%,38%{opacity:1}51%,87%{opacity:0}100%{opacity:1}}
@keyframes photoTwo{0%,38%{opacity:0}51%,87%{opacity:1}100%{opacity:0}}
@keyframes entryZoom{from{transform:scale(1.04)}to{transform:scale(1.095)}}
@media(max-width:700px){.entry-photo{inset:-7%;background-position:50% center}.entry-veil{background:rgba(255,255,255,.72)}.entry-logo{width:min(86vw,430px);height:clamp(126px,31vw,185px);padding:12px}.entry-brand{gap:9px;margin-left:6px}.entry-brand strong{font-size:clamp(18px,5.1vw,26px);letter-spacing:.22em;padding-left:.22em}.entry-brand>span{font-size:clamp(10px,3.4vw,16px);letter-spacing:.25em;padding-left:.25em}.entry-center{gap:28px}.entry-index{font-size:8px;letter-spacing:.14em;bottom:28px}}
@media(prefers-reduced-motion:reduce){.entry-photo{animation:none!important}.entry-photo-two{opacity:0}.entry-screen{transition:none}}

/* V6 · Tres fotografías y encuadre completo de la escalera */
.entry-photo-one{animation:entryZoom 25s ease-in-out infinite alternate,slideOne 21s linear infinite}
.entry-photo-two{background-position:center center;background-size:contain;background-repeat:no-repeat;background-color:#f5f5f2;animation:slideTwo 21s linear infinite;transform:none}
.entry-photo-three{background-image:url('assets/intro/architecture-03.webp');opacity:0;animation:entryZoom 27s ease-in-out infinite alternate,slideThree 21s linear infinite}
/* 7 segundos por fotografía; transiciones cruzadas sin saltos */
@keyframes slideOne{0%,28%{opacity:1}33.333%,94%{opacity:0}100%{opacity:1}}
@keyframes slideTwo{0%,28%{opacity:0}33.333%,61%{opacity:1}66.666%,100%{opacity:0}}
@keyframes slideThree{0%,61%{opacity:0}66.666%,94%{opacity:1}100%{opacity:0}}
@media(max-width:700px){.entry-photo-two{inset:0;background-size:contain;background-position:center center}}
@media(prefers-reduced-motion:reduce){.entry-photo-three{animation:none!important;opacity:0}.entry-photo-one{animation:none!important;opacity:1}.entry-photo-two{animation:none!important;opacity:0}}

/* V7 — magazine project sheets, scroll-to-enter and continuity */
.entry-screen{touch-action:pan-y}
.entry-screen:after{content:'SCROLL PARA DESCUBRIR  ↓';position:absolute;bottom:67px;left:0;right:0;text-align:center;font-size:9px;letter-spacing:.18em;z-index:2;color:#383838;pointer-events:none}
.entry-index{bottom:26px}
.entry-screen.is-leaving .entry-center{transform:translateY(-12vh);opacity:0}
.entry-center{transition:transform .9s cubic-bezier(.22,1,.36,1),opacity .65s ease}
.editorial-project{width:100%;padding-bottom:24px}
.editorial-heading{margin:0 0 33px}
.editorial-kicker{font-size:10px;letter-spacing:.15em;color:#999;margin:0 0 28px}
.editorial-heading h1{font-weight:400;font-size:clamp(32px,6vw,88px);line-height:1.06;letter-spacing:-.045em;margin:0 0 13px;text-transform:uppercase}
.editorial-location{color:#858585;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.editorial-hero .project-visual{aspect-ratio:1.85;background:#efefed}
.editorial-hero .project-visual img{object-fit:cover}
.editorial-meta{margin:24px 0 clamp(65px,10vw,150px);padding-top:16px;border-top:1px solid #ddd;display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.editorial-meta>div{display:flex;flex-direction:column;gap:11px}
.editorial-meta span,.editorial-statement>span,.project-contact>span{font-size:10px;color:#999;letter-spacing:.13em}
.editorial-meta strong{font-size:12px;line-height:1.5;font-weight:400}
.editorial-statement{display:grid;grid-template-columns:1fr 2fr;gap:40px;margin:0 0 clamp(70px,11vw,145px)}
.editorial-statement p{font-size:clamp(18px,2.4vw,29px);letter-spacing:-.025em;line-height:1.48;max-width:740px;margin:0;color:#3b3b3b;font-weight:400}
.editorial-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:22px;row-gap:65px}
.editorial-figure{margin:0;min-width:0}
.editorial-figure:nth-child(3n){grid-column:span 2;width:100%}
.editorial-figure .project-visual{aspect-ratio:4/5}
.editorial-figure:nth-child(3n) .project-visual{aspect-ratio:1.9}
.editorial-figure figcaption{font-size:9px;color:#888;letter-spacing:.1em;padding-top:12px;text-transform:uppercase}
.project-contact{border-top:1px solid #ddd;border-bottom:1px solid #ddd;margin:clamp(85px,13vw,175px) 0 45px;padding:45px 0 60px;display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.context-cta{font-size:clamp(30px,5vw,65px);font-weight:400;letter-spacing:-.04em;padding:0 0 8px;border-bottom:1px solid #333;transition:color .2s}
.context-cta:hover{color:#888}
.context-cta span{font-size:.55em;vertical-align:top;display:inline-block;margin-left:20px}
.contact-context{font-size:12px!important;color:#777!important}
.transition-clone{overflow:hidden;transform:none!important;will-change:top,left,width,height;border-radius:0!important}
.transition-clone img{width:100%;height:100%;object-fit:cover}
@media(max-width:700px){.entry-screen:after{bottom:67px;font-size:8px}.editorial-heading{margin:0 0 23px}.editorial-heading h1{font-size:clamp(30px,8.5vw,48px)}.editorial-kicker{margin-bottom:20px}.editorial-hero .project-visual{aspect-ratio:4/5}.editorial-meta{grid-template-columns:1fr 1fr;gap:24px 14px;margin-bottom:80px}.editorial-statement{grid-template-columns:1fr;gap:20px;margin-bottom:75px}.editorial-statement p{font-size:20px}.editorial-gallery{gap:35px 9px}.editorial-figure figcaption{font-size:8px}.project-contact{margin:90px 0 30px;padding:28px 0 40px}.context-cta{font-size:37px}}
@media(prefers-reduced-motion:reduce){.entry-screen.is-leaving .entry-center{transform:none}}