/* ============================================================
   Miguel Carlos Lima — Portefólio
   Identidade: branco limpo · tinta azul-noite · azul do logo
   quadrado azul + linha fina como elementos de ligação
   ============================================================ */

:root{
  --bg:#fcfdfe;
  --bg-2:#f2f6f9;
  --ink:#141b22;
  --ink-soft:#5a6673;
  --line:#dde5ec;
  --blue:#009fe3;
  --blue-dark:#00719f;
  --blue-pale:#a5daeb;
  --white:#ffffff;
  --font-display:"Playfair Display",serif;
  --font-body:"Archivo",sans-serif;
  --pad:clamp(1.25rem,5vw,6rem);
  --maxw:1280px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-weight:300;
  line-height:1.65;
  font-size:clamp(.98rem,.9rem + .3vw,1.08rem);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.08;letter-spacing:0}
strong{font-weight:500}
em{font-style:italic}

/* -------- quadrado — elemento de ligação gráfica -------- */
.sq{
  display:inline-block;width:.55em;height:.55em;background:var(--blue);
  margin-right:.55em;vertical-align:baseline;flex:none;
}
i.sq{margin:0 1.2rem}
.sq--title{width:.28em;height:.28em;margin:0 0 .08em .25em;vertical-align:baseline}

/* ============ NAV ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:color-mix(in srgb,var(--bg) 90%,transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav__inner{
  max-width:var(--maxw);margin:0 auto;padding:.7rem var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:2rem;
}
.nav__logo{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.nav__logomark{width:2.4rem;height:2.4rem}
.nav__wordmark{
  font-family:var(--font-display);font-weight:600;font-size:1.05rem;letter-spacing:.02em;
  white-space:nowrap;
}
.nav__links{display:flex;gap:1.6rem;align-items:center}
.nav__links a{
  text-decoration:none;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-soft);position:relative;padding:.2rem 0;transition:color .25s;white-space:nowrap;
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--blue);transition:width .3s;
}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{width:100%}
.nav__links a.is-active{color:var(--blue-dark)}
.nav__links a.is-active::after{width:100%}
.nav__cta{border:1px solid var(--ink);padding:.45rem 1rem !important;color:var(--ink) !important}
.nav__cta:hover{background:var(--ink);color:var(--bg) !important}
.nav__cta::after{display:none}
.nav__burger{display:none;background:none;border:0;cursor:pointer;padding:.4rem;flex-direction:column;gap:5px}
.nav__burger span{display:block;width:24px;height:2px;background:var(--ink);transition:.3s}
.nav__progress{height:2px;background:var(--blue);width:0;transition:width .1s linear}

/* ============ HERO ============ */
.hero{
  min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  position:relative;padding:7rem var(--pad) 4rem;overflow:hidden;
}
.hero__grid{
  position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 90% 80% at 30% 40%,black 0%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 30% 40%,black 0%,transparent 75%);
}
.hero__inner{max-width:var(--maxw);margin:0 auto;width:100%;position:relative}
.hero__kicker{
  font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft);
  margin-bottom:2.2rem;display:flex;align-items:center;
}
.hero__title{
  font-size:clamp(3rem,10vw,8.2rem);text-transform:uppercase;letter-spacing:.01em;
  display:flex;flex-direction:column;line-height:.98;margin-bottom:2.4rem;font-weight:500;
}
.hero__title span{display:block}
.hero__dot{display:inline-block;width:.13em;height:.13em;background:var(--blue);margin-left:.14em}
.hero__lead{max-width:46rem;font-size:clamp(1.05rem,1rem + .4vw,1.25rem);color:var(--ink-soft);margin-bottom:2.4rem}
.hero__lead em{color:var(--blue-dark);font-style:italic}
.hero__tags{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:3.5rem}
.hero__tags span{
  border:1px solid var(--line);padding:.35rem .9rem;font-size:.75rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);background:var(--white);
}
.hero__scroll{
  display:inline-flex;align-items:center;gap:.8rem;text-decoration:none;
  font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-soft);
}
.hero__scroll-line{display:block;width:3.5rem;height:1px;background:var(--ink);position:relative;overflow:hidden}
.hero__scroll-line::after{
  content:"";position:absolute;inset:0;background:var(--blue);transform:translateX(-100%);
  animation:scrollline 2.2s ease-in-out infinite;
}
@keyframes scrollline{50%{transform:translateX(0)}100%{transform:translateX(100%)}}
.hero__coords{
  position:absolute;right:var(--pad);bottom:2rem;
  font-size:.7rem;letter-spacing:.25em;color:var(--ink-soft);
  writing-mode:vertical-rl;
}

/* ============ MARQUEE ============ */
.marquee{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  overflow:hidden;background:var(--white);padding:.85rem 0;
}
.marquee__track{display:flex;white-space:nowrap;animation:marquee 30s linear infinite;width:max-content}
.marquee__track span{
  font-family:var(--font-body);font-weight:400;font-size:.92rem;letter-spacing:.35em;text-transform:uppercase;
  color:var(--ink-soft);display:inline-flex;align-items:center;
}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============ SECÇÕES ============ */
.section{padding:clamp(4.5rem,9vw,8rem) var(--pad);max-width:100%;position:relative}
.section>*{max-width:var(--maxw);margin-left:auto;margin-right:auto}
.section--tint{background:var(--bg-2)}
.section__head{margin-bottom:clamp(2.5rem,5vw,4.5rem);border-top:1px solid var(--ink);padding-top:1.4rem;position:relative}
.section__num{
  font-family:var(--font-body);font-weight:500;font-size:.8rem;letter-spacing:.3em;color:var(--ink-soft);
  display:block;margin-bottom:1rem;
}
.section__num::after{content:" /";color:var(--blue)}
.section__head h2{font-size:clamp(2.1rem,5vw,3.6rem)}
.section__sub{max-width:46rem;margin-top:1.2rem;color:var(--ink-soft);font-size:1.02rem}
.section__head .btn{margin-top:1.6rem}

/* ============ PERFIL ============ */
.perfil{display:grid;grid-template-columns:6fr 5fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.perfil__intro{font-size:1.2rem;font-weight:400;margin-bottom:1.4rem}
.perfil__text p+p{margin-top:1.1rem}
.perfil__ids{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}
.idchip{
  display:flex;flex-direction:column;text-decoration:none;
  border:1px solid var(--line);background:var(--white);padding:.6rem 1rem;
  transition:border-color .25s,transform .25s;position:relative;
}
.idchip::before{content:"";position:absolute;top:-1px;left:-1px;width:.55rem;height:.55rem;background:var(--blue)}
.idchip:hover{border-color:var(--blue);transform:translateY(-2px)}
.idchip__label{font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft)}
.idchip__value{font-weight:500;font-size:.95rem;letter-spacing:.04em;color:var(--blue-dark)}

/* facetas — acordeão compacto */
.perfil__facets{border-top:1px solid var(--line)}
.facet{border-bottom:1px solid var(--line)}
.facet summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:1rem;
  padding:.95rem .2rem;transition:background .25s;
}
.facet summary::-webkit-details-marker{display:none}
.facet summary:hover{background:var(--white)}
.facet__num{
  font-family:var(--font-display);font-weight:700;font-size:1.15rem;color:var(--blue);
  width:1.6rem;text-align:center;flex:none;
}
.facet__t{font-weight:500;font-size:.98rem;flex:1}
.facet__x{position:relative;width:.85rem;height:.85rem;flex:none;margin-right:.2rem}
.facet__x::before,.facet__x::after{
  content:"";position:absolute;background:var(--ink-soft);transition:transform .3s,background .3s;
}
.facet__x::before{left:0;right:0;top:calc(50% - .5px);height:1px}
.facet__x::after{top:0;bottom:0;left:calc(50% - .5px);width:1px}
.facet[open] .facet__x::after{transform:scaleY(0)}
.facet[open] .facet__x::before{background:var(--blue)}
.facet>p{
  padding:0 .2rem 1.1rem 2.8rem;font-size:.9rem;color:var(--ink-soft);line-height:1.55;max-width:34rem;
}

/* ============ FOTOGRAFIA — portal ============ */
.fotoportal{
  display:block;position:relative;overflow:hidden;text-decoration:none;
  border:1px solid var(--line);background:var(--white);
}
.fotoportal img{
  width:100%;max-height:78vh;object-fit:cover;
  transition:transform 1.2s cubic-bezier(.2,.6,.2,1),filter .8s;
}
.fotoportal:hover img{transform:scale(1.03)}
.fotoportal__veil{
  position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(10,16,22,.55));
  transition:opacity .5s;
}
.fotoportal__cta{
  position:absolute;left:clamp(1.2rem,4vw,2.6rem);bottom:clamp(1.1rem,3.5vw,2.2rem);
  display:inline-flex;align-items:center;color:#fff;
  font-size:.85rem;letter-spacing:.22em;text-transform:uppercase;
}
.fotoportal__arrow{margin-left:.8rem;transition:transform .35s;font-size:1.1rem}
.fotoportal:hover .fotoportal__arrow{transform:translateX(.5rem)}

/* botões */
.btn{
  display:inline-flex;align-items:center;gap:.8rem;text-decoration:none;
  font-family:var(--font-body);font-weight:500;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;
  background:var(--blue-dark);color:#fff;padding:.95rem 1.7rem;
  transition:background .3s,gap .3s;
}
.btn:hover{background:var(--blue);gap:1.2rem}
.btn__arrow{font-weight:300}
.btn__meta{font-weight:300;font-size:.7rem;letter-spacing:.1em;opacity:.85;border-left:1px solid rgba(255,255,255,.4);padding-left:.8rem}
.btn--line{background:none;color:var(--ink);border:1px solid var(--ink);padding:.8rem 1.4rem}
.btn--line:hover{background:var(--ink);color:var(--bg)}

/* ============ MEDIA-ARTE ============ */
.proj{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,4vw,4rem);align-items:center;
  padding:clamp(2.5rem,5vw,4rem) 0;border-top:1px solid var(--line);
}
.proj:last-of-type{border-bottom:1px solid var(--line)}
.proj--flip .proj__media{order:2}
.proj--flip .proj__body{order:1}
.proj__imgpair{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;align-items:start}
.proj__imgpair img{width:100%;aspect-ratio:3/4.2;object-fit:cover;border:1px solid var(--line);background:var(--white)}
.proj__imgpair img:last-child{margin-top:2.2rem}
.proj__imgsingle{width:100%;border:1px solid var(--line);background:var(--white)}
.proj__imgsingle--book{max-width:min(100%,480px);margin:0 auto;box-shadow:10px 10px 0 var(--bg-2)}
.proj__imglink{display:block;position:relative;overflow:hidden;border:1px solid var(--line)}
.proj__imglink img{width:100%;transition:transform .9s cubic-bezier(.2,.6,.2,1)}
.proj__imglink:hover img{transform:scale(1.03)}
.proj__imglink-cta{
  position:absolute;left:0;right:0;bottom:0;padding:2.2rem 1.1rem .8rem;
  background:linear-gradient(transparent,rgba(10,16,22,.72));color:#fff;
  font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;
  display:flex;align-items:center;opacity:0;transform:translateY(8px);transition:.4s;
}
.proj__imglink:hover .proj__imglink-cta{opacity:1;transform:none}
.proj__status{
  display:inline-block;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;
  border:1px solid var(--line);padding:.3rem .8rem;margin-bottom:1.1rem;color:var(--ink-soft);background:var(--white);
}
.proj__status--live{border-color:var(--blue);color:var(--blue-dark)}
.proj__status--live::before{
  content:"";display:inline-block;width:.5em;height:.5em;background:var(--blue);
  margin-right:.6em;animation:blink 1.6s infinite;
}
@keyframes blink{50%{opacity:.25}}
.proj__body h3{font-size:clamp(1.7rem,3.2vw,2.4rem);margin-bottom:.3rem}
.proj__type{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blue-dark);margin-bottom:1.2rem}
.proj__body p+p{margin-top:1rem}
.proj__note{font-size:.9rem;color:var(--ink-soft)}
.proj__body .btn--line,.proj__body .btn{margin-top:1.6rem}
.proj__actions{display:flex;flex-wrap:wrap;gap:.9rem;align-items:center}
.proj__actions .btn,.proj__actions .btn--line{margin-top:1.6rem}

/* ============ DESENHO ============ */
.drawgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.drawgrid__item{margin:0;background:var(--white);border:1px solid var(--line);padding:.9rem;transition:transform .35s,box-shadow .35s}
.drawgrid__item:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(20,27,34,.1)}
.drawgrid__zoom{display:block;width:100%;border:0;background:none;padding:0;cursor:zoom-in}
.drawgrid__item img{aspect-ratio:3/4;object-fit:cover;width:100%}
.drawgrid__item figcaption{
  padding-top:.7rem;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);
}

/* lightbox */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(12,18,24,.92);
  display:flex;align-items:center;justify-content:center;padding:2.5rem;
  opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s;
}
.lightbox.is-open{opacity:1;visibility:visible}
.lightbox__figure{max-width:min(92vw,900px);max-height:88vh;display:flex;flex-direction:column;gap:.8rem}
.lightbox__figure img{
  max-height:80vh;width:auto;max-width:100%;margin:0 auto;background:#fff;
  transform:scale(.92);transition:transform .35s cubic-bezier(.2,.6,.2,1);
}
.lightbox.is-open .lightbox__figure img{transform:scale(1)}
.lightbox__figure figcaption{
  text-align:center;color:var(--blue-pale);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;
}
.lightbox__close{
  position:absolute;top:1.2rem;right:1.6rem;background:none;border:0;color:#fff;
  font-size:2.4rem;line-height:1;cursor:pointer;font-family:var(--font-body);font-weight:300;
  transition:color .25s,transform .25s;
}
.lightbox__close:hover{color:var(--blue);transform:rotate(90deg)}

/* ============ INVESTIGAÇÃO ============ */
.research{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.rcard{border:1px solid var(--line);background:var(--white);padding:clamp(1.6rem,3vw,2.4rem);position:relative;transition:box-shadow .35s,transform .35s}
.rcard:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(20,27,34,.09)}
.rcard::before{content:"";position:absolute;top:-1px;left:-1px;width:1rem;height:1rem;background:var(--blue)}
.rcard__tag{font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--blue-dark);display:block;margin-bottom:.5rem}
.rcard__head h3{font-size:1.55rem;margin-bottom:1rem}
.rcard__note{font-size:.88rem;color:var(--ink-soft);margin-top:1rem}
.rcard .btn--line,.rcard .btn{margin-top:1.4rem}
.rcard--book{display:grid;grid-template-columns:minmax(130px,180px) 1fr;gap:1.6rem;align-items:start}
.rcard--book .rcard__cover{border:1px solid var(--line);box-shadow:6px 6px 0 var(--bg-2)}
.rcard--wip{background:repeating-linear-gradient(-45deg,var(--white) 0 14px,var(--bg-2) 14px 15px)}
.fps{list-style:none;margin:1.2rem 0}
.fps li{display:flex;gap:1rem;align-items:flex-start;padding:.7rem 0;border-top:1px dashed var(--line)}
.fps__axis{
  font-family:var(--font-display);font-weight:700;font-size:1.2rem;color:#fff;
  background:var(--blue-dark);width:2.1rem;height:2.1rem;display:flex;align-items:center;justify-content:center;flex:none;
}
.fps li strong{display:block;font-size:.95rem}
.fps li span{font-size:.83rem;color:var(--ink-soft)}

/* ============ PUBLICAÇÕES ============ */
.pubs{list-style:none}
.pubs li{
  display:grid;grid-template-columns:5rem 1fr;gap:1.5rem;padding:1.3rem 0;
  border-top:1px solid var(--line);align-items:start;
}
.pubs li:last-child{border-bottom:1px solid var(--line)}
.pubs__year{font-family:var(--font-display);font-weight:600;color:var(--blue-dark);font-size:1.05rem}
.pubs p{font-size:.95rem;line-height:1.6}
.pubs a{color:var(--blue-dark);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .25s}
.pubs a:hover{border-color:var(--blue-dark)}
.pubs__more{margin-top:2rem;max-width:52rem;color:var(--ink-soft);font-size:.95rem}
.pubs__more strong{color:var(--ink)}

/* ============ CONTACTO ============ */
.section--contact{background:var(--bg)}
.contact h2{font-size:clamp(2.4rem,6vw,4.4rem);margin:1rem 0 1.4rem}
.contact p{max-width:36rem;color:var(--ink-soft)}
.contact__mails{display:flex;flex-wrap:wrap;gap:1rem 2.5rem;align-items:baseline;margin:1.8rem 0 2.4rem}
.contact__mail{
  display:inline-block;font-family:var(--font-display);font-weight:500;
  font-size:clamp(1.25rem,3vw,2rem);color:var(--ink);
  text-decoration:none;border-bottom:3px solid var(--blue);padding-bottom:.2rem;transition:color .3s;
}
.contact__mail--alt{font-size:clamp(1.05rem,2.2vw,1.5rem);border-bottom-width:2px;border-bottom-color:var(--blue-pale)}
.contact__mail:hover{color:var(--blue-dark)}
.contact__links{display:flex;flex-wrap:wrap;gap:1rem}
.contact__links a{
  text-decoration:none;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--line);padding:.55rem 1.1rem;background:var(--white);
  transition:border-color .25s,color .25s;
}
.contact__links a:hover{border-color:var(--blue);color:var(--blue-dark)}

/* ============ FOOTER ============ */
.footer{border-top:1px solid var(--line);padding:1.4rem var(--pad);background:var(--bg)}
.footer__inner{
  max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);align-items:center;
}
.footer__brand{display:inline-flex;align-items:center;gap:.6rem}
.footer__logo{width:1.5rem;height:1.5rem}

/* ============ PORTEFÓLIO FOTOGRÁFICO ============ */
.pf{background:var(--bg)}
.pf__back{
  text-decoration:none;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);
  display:inline-flex;align-items:center;gap:.5rem;transition:color .25s;white-space:nowrap;
}
.pf__back:hover{color:var(--blue-dark)}
.pf__back-arrow{font-size:1rem;transition:transform .3s;display:inline-block}
.pf__back:hover .pf__back-arrow{transform:translateX(-4px)}
.pf__head{padding:9rem var(--pad) 2rem;max-width:var(--maxw);margin:0 auto}
.pf__kicker{
  font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft);
  display:flex;align-items:center;margin-bottom:1.4rem;
}
.pf__head h1{font-size:clamp(2.8rem,8vw,6rem);font-weight:500;margin-bottom:1.2rem}
.pf__sub{color:var(--ink-soft);max-width:34rem}
.pf__flow{
  max-width:var(--maxw);margin:0 auto;padding:2rem var(--pad) 4rem;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:clamp(1.1rem,2.5vw,2rem);
}
/* todas as imagens com o mesmo tamanho, a flutuar */
.pf__item{
  margin:0;overflow:hidden;background:var(--bg-2);
  aspect-ratio:4/3;
  animation:pf-float 7s ease-in-out infinite alternate;
  will-change:transform;
  transition:box-shadow .4s;
}
.pf__item:hover{box-shadow:0 18px 40px rgba(20,27,34,.16);z-index:2}
.pf__item:nth-child(4n+1){animation-duration:6.2s}
.pf__item:nth-child(4n+2){animation-duration:8.1s;animation-delay:-2.4s}
.pf__item:nth-child(4n+3){animation-duration:7.3s;animation-delay:-4.8s}
.pf__item:nth-child(4n){animation-duration:9s;animation-delay:-1.2s}
@keyframes pf-float{
  from{transform:translateY(-5px)}
  to{transform:translateY(5px)}
}
.pf__item img{
  width:100%;height:100%;object-fit:cover;
  opacity:0;transform:scale(1.04);
  transition:opacity 1s ease,transform 1.4s cubic-bezier(.2,.6,.2,1);
  will-change:transform;
}
.pf__item.is-in img{opacity:1;transform:scale(1)}
/* agitação ao passar o cursor */
.pf__item.is-stirred img{animation:pf-stir .55s ease-in-out}
@keyframes pf-stir{
  0%,100%{transform:scale(1) rotate(0deg)}
  25%{transform:scale(1.03) rotate(-.8deg) translateX(-3px)}
  55%{transform:scale(1.03) rotate(.8deg) translateX(3px)}
  80%{transform:scale(1.015) rotate(-.3deg)}
}
.pf__foot{
  max-width:var(--maxw);margin:0 auto;padding:1rem var(--pad) 4rem;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;
}
.pf__foot-note{
  font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft);
  display:inline-flex;align-items:center;
}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.6,.2,1)}
.reveal.is-in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}
.d4{transition-delay:.32s}.d5{transition-delay:.4s}.d6{transition-delay:.48s}
@media (prefers-reduced-motion:reduce){
  .reveal,.pf__item img{opacity:1;transform:none;transition:none}
  .marquee__track,.pf__item,.pf__item img{animation:none}
  html{scroll-behavior:auto}
}

/* ============ RESPONSIVO ============ */
@media (max-width:1180px){
  .nav__links{gap:1rem}
  .nav__links a{font-size:.72rem;letter-spacing:.08em}
  .nav__wordmark{display:none}
}
@media (max-width:1000px){
  .perfil{grid-template-columns:1fr}
  .research{grid-template-columns:1fr}
  .rcard--book{grid-column:auto}
  .proj{grid-template-columns:1fr}
  .proj--flip .proj__media{order:0}
  .proj--flip .proj__body{order:1}
}
@media (max-width:900px){
  .nav{background:var(--bg);backdrop-filter:none;-webkit-backdrop-filter:none}
  .nav__wordmark{display:inline}
  .nav__links{
    width:100vw;height:100vh;
    position:fixed;inset:0;top:0;background:var(--bg);
    flex-direction:column;justify-content:center;gap:1.8rem;
    transform:translateX(100%);transition:transform .4s cubic-bezier(.2,.6,.2,1);z-index:99;
  }
  .nav__links.is-open{transform:none}
  .nav__links a{font-size:1.1rem}
  .nav__burger{display:flex;z-index:100;position:relative}
  .nav__burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav__burger.is-open span:nth-child(2){opacity:0}
  .nav__burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media (max-width:680px){
  .hero__coords{display:none}
  .pf .nav__wordmark{display:none}
  .pf__back{font-size:.7rem;letter-spacing:.1em}
  .drawgrid{grid-template-columns:1fr}
  .rcard--book{grid-template-columns:1fr}
  .rcard--book .rcard__cover{max-width:220px}
  .pubs li{grid-template-columns:1fr;gap:.2rem}
  .proj__imgpair img:last-child{margin-top:1.2rem}
  .lightbox{padding:1rem}
  .pf__flow{grid-template-columns:repeat(2,1fr)}
  .contact__mails{flex-direction:column;gap:.8rem}
}