/*! ISKVW Archive — styles.css v4.0
   Monochrome editorial. Fraunces + Inter + JetBrains Mono.
*/
:root{
  --c-ink:#f4f1ec;          /* off-white "papel" */
  --c-ink-muted:#a09c95;
  --c-ink-faint:#5a564f;
  --c-paper:#0b0a09;        /* negro cálido en vez de #020202 */
  --c-paper-soft:#141210;
  --c-line:rgba(244,241,236,.10);
  --c-line-strong:rgba(244,241,236,.22);

  --f-display:"Fraunces", "Times New Roman", serif;
  --f-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --f-mono:"JetBrains Mono", ui-monospace, "SF Mono", Monaco, monospace;

  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-in-out:cubic-bezier(.7,0,.3,1);
  --t-fast:.25s var(--ease);
  --t-mid:.55s var(--ease);
  --t-slow:1s var(--ease);

  --pad-x:clamp(1.2rem, 5vw, 4rem);
  --maxw:1480px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{
  background:var(--c-paper);
  color:var(--c-ink);
  font-size:16px;
  font-family:var(--f-sans);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
body{min-height:100vh;line-height:1.55;overflow-x:hidden;display:flex;flex-direction:column}
img,video,svg{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}

/* hairline scroll */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--c-paper)}
::-webkit-scrollbar-thumb{background:var(--c-ink-faint);border-radius:0}
::-webkit-scrollbar-thumb:hover{background:var(--c-ink-muted)}
::selection{background:var(--c-ink);color:var(--c-paper)}

/* a11y */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;top:-100px;left:0;background:var(--c-ink);color:var(--c-paper);padding:1rem 1.2rem;z-index:10000;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;transition:top var(--t-fast)}
.skip-link:focus{top:0}
:focus-visible{outline:1px solid var(--c-ink);outline-offset:4px}

/* atmosphere — más sutil, sin gradientes dorados */
.grain{
  position:fixed;inset:0;z-index:9000;pointer-events:none;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== PRELOADER ===== */
.preloader{position:fixed;inset:0;background:var(--c-paper);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.4rem}
.preloader-word{font-family:var(--f-display);font-style:italic;font-weight:300;font-size:clamp(2rem,6vw,3.5rem);letter-spacing:-.01em;line-height:1;opacity:0;transform:translateY(8px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.preloader-word.show{opacity:1;transform:translateY(0)}
.preloader-line{width:140px;height:1px;background:var(--c-line-strong);position:relative;overflow:hidden}
.preloader-line::after{content:"";position:absolute;left:0;top:0;height:100%;width:0%;background:var(--c-ink);transition:width .25s linear}
.preloader[data-p="100"] .preloader-line::after{width:100%}

/* ===== HEADER ===== */
.site-header{
  position:fixed;top:0;left:0;width:100%;
  padding:1.4rem var(--pad-x);
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
  z-index:1000;mix-blend-mode:difference;
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;
}
.brand{font-weight:600;color:var(--c-ink);transition:opacity var(--t-fast)}
.brand:hover{opacity:.6}
.brand sup{font-size:.55em;letter-spacing:.05em;margin-left:.2em;opacity:.6}

.header-nav{display:none;gap:2.2rem}
@media (min-width:768px){.header-nav{display:flex}}
.header-nav a{position:relative;color:var(--c-ink-muted);transition:color var(--t-fast)}
.header-nav a:hover,.header-nav a[aria-current="page"]{color:var(--c-ink)}
.header-nav a::after{content:"";position:absolute;left:0;bottom:-.4rem;height:1px;width:0;background:var(--c-ink);transition:width var(--t-mid)}
.header-nav a:hover::after,.header-nav a[aria-current="page"]::after{width:100%}

.nav-toggle{display:none;border:1px solid var(--c-line-strong);padding:.55rem .8rem;letter-spacing:.18em;color:var(--c-ink);transition:all var(--t-fast)}
.nav-toggle:hover{border-color:var(--c-ink)}
@media (max-width:767px){.nav-toggle{display:inline-block}}
.mobile-nav{position:fixed;top:0;right:0;width:min(86vw,360px);height:100dvh;background:var(--c-paper);border-left:1px solid var(--c-line);z-index:9998;transform:translateX(100%);transition:transform .55s var(--ease);display:flex;flex-direction:column;padding:6rem 1.6rem 2rem;gap:1rem}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav a{font-family:var(--f-display);font-style:italic;font-size:1.6rem;color:var(--c-ink-muted);padding:.5rem 0;border-bottom:1px solid var(--c-line);transition:color var(--t-fast),padding var(--t-fast)}
.mobile-nav a:hover,.mobile-nav a[aria-current="page"]{color:var(--c-ink);padding-left:.4rem}
.mobile-nav .nav-meta{margin-top:auto;font-family:var(--f-mono);font-size:.65rem;letter-spacing:.18em;color:var(--c-ink-faint);text-transform:uppercase}
.mobile-nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:9997;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.mobile-nav-backdrop.open{opacity:1;visibility:visible}

/* ===== HERO ===== */
.hero{
  min-height:100vh;
  padding:14vh var(--pad-x) 6vh;
  display:grid;
  grid-template-rows:1fr auto;
  gap:3rem;
}
@media (min-width:1024px){
  .hero{padding:18vh var(--pad-x) 6vh}
}

.hero-mark{
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--c-ink-faint);
  display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap;
  opacity:0;transform:translateY(10px);transition:opacity .8s var(--ease) .15s,transform .8s var(--ease) .15s;
}
body.is-loaded .hero-mark{opacity:1;transform:translateY(0)}

.hero-statement{
  font-family:var(--f-display);
  font-weight:300;
  font-style:normal;
  font-size:clamp(2.2rem, 7.5vw, 6.4rem);
  line-height:1.02;
  letter-spacing:-.02em;
  max-width:18ch;
  font-variation-settings:"opsz" 144, "SOFT" 50, "WONK" 0;
}
.hero-statement em{font-style:italic;font-weight:300;color:var(--c-ink-muted)}

.hero-line{display:block;overflow:hidden}
.hero-line > span{display:inline-block;transform:translateY(110%);transition:transform 1.1s var(--ease-in-out)}
body.is-loaded .hero-line:nth-child(1) > span{transform:translateY(0)}
body.is-loaded .hero-line:nth-child(2) > span{transform:translateY(0);transition-delay:.12s}
body.is-loaded .hero-line:nth-child(3) > span{transform:translateY(0);transition-delay:.24s}
body.is-loaded .hero-line:nth-child(4) > span{transform:translateY(0);transition-delay:.36s}

.hero-foot{
  display:grid;gap:2rem;
  grid-template-columns:1fr;
  align-items:end;
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--c-ink-muted);
  opacity:0;transform:translateY(10px);transition:opacity .8s var(--ease) .7s,transform .8s var(--ease) .7s;
}
body.is-loaded .hero-foot{opacity:1;transform:translateY(0)}
@media (min-width:768px){.hero-foot{grid-template-columns:1fr 1fr 1fr}}
.hero-foot-block strong{display:block;color:var(--c-ink);font-weight:500;letter-spacing:.18em;margin-bottom:.4rem}
.hero-foot a{border-bottom:1px solid var(--c-line-strong);transition:border-color var(--t-fast),color var(--t-fast)}
.hero-foot a:hover{color:var(--c-ink);border-color:var(--c-ink)}

/* ===== SECTION HEADER ===== */
.section{padding:8rem var(--pad-x);max-width:var(--maxw);margin:0 auto;width:100%}
@media (max-width:768px){.section{padding:5rem var(--pad-x)}}

.sec-head{
  display:grid;grid-template-columns:1fr;gap:1.5rem;
  margin-bottom:3.5rem;padding-bottom:1.5rem;
  border-bottom:1px solid var(--c-line);
}
@media (min-width:768px){
  .sec-head{grid-template-columns:auto 1fr;align-items:end;gap:3rem}
}
.sec-num{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--c-ink-faint)}
.sec-title{font-family:var(--f-display);font-weight:300;font-size:clamp(1.8rem,4vw,3rem);line-height:1;letter-spacing:-.01em}
.sec-title em{font-style:italic;color:var(--c-ink-muted)}

/* ===== FILTERS ===== */
.filters{
  display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;align-items:center;
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  margin-bottom:3rem;
}
.filter-btn{
  position:relative;color:var(--c-ink-faint);padding:.4rem 0;transition:color var(--t-fast);
}
.filter-btn:hover{color:var(--c-ink)}
.filter-btn[aria-pressed="true"]{color:var(--c-ink)}
.filter-btn[aria-pressed="true"]::after{content:"";position:absolute;left:-.3rem;right:-.3rem;bottom:-.3rem;height:1px;background:var(--c-ink)}
.filter-count{font-size:.6em;color:var(--c-ink-faint);margin-left:.3em;letter-spacing:.1em}

/* ===== WORKS GRID ===== */
.works{
  display:grid;gap:5rem 2.5rem;grid-template-columns:1fr;
}
@media (min-width:700px){.works{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.works{grid-template-columns:repeat(3,1fr)}}

/* "Editorial" vertical offset for the third column on home — gives breathing rhythm */
@media (min-width:1100px){
  .works.editorial > .work:nth-child(3n+2){transform:translateY(5rem)}
  .works.editorial > .work:nth-child(3n+3){transform:translateY(2rem)}
}

.work{
  display:flex;flex-direction:column;gap:1.1rem;
  opacity:0;transform:translateY(40px);
  transition:opacity .9s var(--ease),transform .9s var(--ease);
}
.work.is-visible{opacity:1;transform:translateY(0)}
.work-frame{
  position:relative;background:var(--c-paper-soft);overflow:hidden;
  aspect-ratio:4/5;cursor:pointer;
}
.work-frame::after{
  content:"";position:absolute;inset:0;border:1px solid var(--c-line);pointer-events:none;
  transition:border-color var(--t-mid);
}
.work-frame img,.work-frame video{
  width:100%;height:100%;object-fit:cover;display:block;
  filter:grayscale(.95) brightness(.78) contrast(1.05);
  transform:scale(1.02);
  transition:filter 1.2s var(--ease), transform 1.4s var(--ease);
}
.work:hover .work-frame img,.work:hover .work-frame video,
.work:focus-within .work-frame img,.work:focus-within .work-frame video{
  filter:grayscale(0) brightness(1) contrast(1);
  transform:scale(1.06);
}
.work:hover .work-frame::after{border-color:var(--c-line-strong)}

.work-flag{
  position:absolute;top:.8rem;left:.8rem;z-index:2;
  font-family:var(--f-mono);font-size:.55rem;letter-spacing:.2em;
  padding:.3rem .55rem;background:var(--c-paper);color:var(--c-ink);
  text-transform:uppercase;
  border:1px solid var(--c-line-strong);
}
.work-flag.is-wip{background:var(--c-ink);color:var(--c-paper)}

.work-cta{
  position:absolute;bottom:1rem;right:1rem;
  font-family:var(--f-mono);font-size:.6rem;letter-spacing:.25em;text-transform:uppercase;
  color:var(--c-ink);background:rgba(11,10,9,.6);padding:.45rem .8rem;
  border:1px solid var(--c-line-strong);
  opacity:0;transform:translateY(8px);transition:opacity var(--t-fast),transform var(--t-fast);
  backdrop-filter:blur(6px);
}
.work:hover .work-cta,.work:focus-within .work-cta{opacity:1;transform:translateY(0)}

.work-meta{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}
.work-title{font-family:var(--f-display);font-weight:400;font-size:1.35rem;line-height:1.15;letter-spacing:-.005em}
.work-title em{font-style:italic;color:var(--c-ink-muted)}
.work-tech{font-family:var(--f-mono);font-size:.65rem;letter-spacing:.16em;color:var(--c-ink-faint);text-transform:uppercase;margin-top:.3rem}
.work-num{font-family:var(--f-mono);font-size:.65rem;letter-spacing:.16em;color:var(--c-ink-faint);flex-shrink:0;padding-top:.45rem}

.empty{
  grid-column:1/-1;text-align:center;padding:4rem 1rem;border:1px dashed var(--c-line-strong);
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--c-ink-faint);
}

/* ===== MASONRY (2D page) ===== */
.masonry{column-count:1;column-gap:2rem}
@media (min-width:700px){.masonry{column-count:2}}
@media (min-width:1100px){.masonry{column-count:3}}
.masonry .work{display:block;break-inside:avoid;margin-bottom:2rem;width:100%}
.masonry .work-frame{aspect-ratio:auto}
.masonry .work-frame img{height:auto;aspect-ratio:auto;transform:scale(1)}
.masonry .work:hover .work-frame img{transform:scale(1.04)}

/* ===== LIGHTBOX ===== */
.lb{
  position:fixed;inset:0;z-index:20000;
  background:rgba(11,10,9,.985);backdrop-filter:blur(18px);
  display:flex;align-items:flex-start;justify-content:center;
  padding:0;overflow-y:auto;
  opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s;
}
.lb.active{opacity:1;visibility:visible}
.lb-inner{
  max-width:1280px;width:100%;
  display:grid;grid-template-columns:1fr;gap:0;
  padding:5rem var(--pad-x);
  transform:translateY(20px);transition:transform .55s var(--ease) .05s;
}
.lb.active .lb-inner{transform:translateY(0)}
@media (min-width:1024px){
  .lb-inner{grid-template-columns:1.45fr 1fr;gap:3rem;padding:6rem var(--pad-x)}
}

.lb-media{position:sticky;top:5rem;align-self:start;display:flex;flex-direction:column;gap:.75rem}
.lb-media-main{background:var(--c-paper-soft);overflow:hidden;border:1px solid var(--c-line);}
.lb-media-main img,.lb-media-main video{width:100%;max-height:78vh;object-fit:contain;display:block}
.lb-thumbs{display:flex;gap:.4rem;flex-wrap:wrap}
.lb-thumb{width:64px;height:64px;object-fit:cover;border:1px solid var(--c-line);cursor:pointer;opacity:.55;transition:opacity var(--t-fast),border-color var(--t-fast)}
.lb-thumb:hover,.lb-thumb.active{opacity:1;border-color:var(--c-ink)}

.lb-data{display:flex;flex-direction:column;gap:1.4rem;padding-top:.5rem}
.lb-cat{font-family:var(--f-mono);font-size:.65rem;letter-spacing:.22em;text-transform:uppercase;color:var(--c-ink-muted)}
.lb-title{font-family:var(--f-display);font-weight:300;font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.05;letter-spacing:-.015em}
.lb-title em{font-style:italic;color:var(--c-ink-muted)}
.lb-desc{font-size:1.02rem;line-height:1.7;color:var(--c-ink-muted);font-weight:300;max-width:54ch}
.lb-meta{display:grid;grid-template-columns:auto 1fr;gap:.6rem 1.2rem;font-family:var(--f-mono);font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-ink-faint);border-top:1px solid var(--c-line);padding-top:1.2rem}
.lb-meta dt{color:var(--c-ink-faint)}
.lb-meta dd{color:var(--c-ink)}
.lb-tags{display:flex;flex-wrap:wrap;gap:.4rem}
.lb-tags span{font-family:var(--f-mono);font-size:.6rem;padding:.3rem .65rem;border:1px solid var(--c-line-strong);text-transform:uppercase;letter-spacing:.14em;color:var(--c-ink-muted)}
.lb-video{aspect-ratio:16/9;border:1px solid var(--c-line);background:#000;margin-top:.5rem}
.lb-video iframe,.lb-video video{width:100%;height:100%;border:0}

.lb-nav{display:flex;justify-content:space-between;gap:1rem;border-top:1px solid var(--c-line);padding-top:1.2rem;margin-top:.5rem;font-family:var(--f-mono);font-size:.65rem;letter-spacing:.18em;text-transform:uppercase}
.lb-nav button{color:var(--c-ink-muted);transition:color var(--t-fast)}
.lb-nav button:hover{color:var(--c-ink)}
.lb-nav button:disabled{opacity:.25;pointer-events:none}

.lb-close{position:fixed;top:1.4rem;right:1.4rem;z-index:20001;width:44px;height:44px;border:1px solid var(--c-line-strong);display:flex;align-items:center;justify-content:center;color:var(--c-ink);font-size:1.2rem;line-height:1;transition:all var(--t-fast)}
.lb-close:hover{border-color:var(--c-ink);transform:rotate(90deg)}

/* ===== FOOTER ===== */
.site-footer{
  margin-top:auto;
  padding:6rem var(--pad-x) 2rem;
  border-top:1px solid var(--c-line);
  display:grid;gap:2.5rem;
}
.footer-statement{font-family:var(--f-display);font-weight:300;font-size:clamp(1.6rem,3.6vw,2.6rem);line-height:1.2;max-width:24ch;letter-spacing:-.005em}
.footer-statement em{font-style:italic;color:var(--c-ink-muted)}
.footer-meta{
  display:grid;grid-template-columns:1fr;gap:1.5rem;
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--c-ink-faint);
  padding-top:2rem;border-top:1px solid var(--c-line);
}
@media (min-width:768px){.footer-meta{grid-template-columns:1fr 1fr 1fr;align-items:start}}
.footer-meta strong{display:block;color:var(--c-ink);font-weight:500;letter-spacing:.16em;margin-bottom:.5rem}
.footer-meta a{color:var(--c-ink-muted);transition:color var(--t-fast)}
.footer-meta a:hover{color:var(--c-ink)}
.footer-meta a + a{margin-left:1rem}

/* ===== ABOUT page ===== */
.about{
  max-width:var(--maxw);margin:0 auto;padding:18vh var(--pad-x) 8rem;
  display:grid;gap:5rem;grid-template-columns:1fr;
}
@media (min-width:1024px){.about{grid-template-columns:1.2fr 1fr;gap:6rem;padding:22vh var(--pad-x) 10rem}}
.about-statement{font-family:var(--f-display);font-weight:300;font-size:clamp(1.6rem,3.4vw,2.6rem);line-height:1.3;letter-spacing:-.005em;color:var(--c-ink)}
.about-statement em{font-style:italic;color:var(--c-ink-muted)}
.about-statement p + p{margin-top:1.4rem}
.about-side{display:flex;flex-direction:column;gap:2.5rem;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-ink-muted)}
.about-side h3{font-family:var(--f-mono);font-size:.65rem;letter-spacing:.22em;color:var(--c-ink-faint);margin-bottom:.8rem;padding-bottom:.6rem;border-bottom:1px solid var(--c-line)}
.about-side ul{list-style:none;display:grid;gap:.7rem}
.about-side li{display:grid;grid-template-columns:auto 1fr;gap:1.5rem;color:var(--c-ink)}
.about-side li span:first-child{color:var(--c-ink-faint)}
.about-side a{color:var(--c-ink);border-bottom:1px solid var(--c-line-strong);transition:border-color var(--t-fast)}
.about-side a:hover{border-color:var(--c-ink)}

/* ===== 3D page ===== */
.canvas-wrap{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:0;pointer-events:none}
.scroller{height:160vh;position:relative;z-index:1}
.scroller-overlay{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;mix-blend-mode:difference;pointer-events:none;width:90%}
.scroller-overlay h1{font-family:var(--f-display);font-weight:300;font-style:italic;font-size:clamp(2.5rem,9vw,7rem);line-height:1;letter-spacing:-.02em;color:var(--c-ink)}
.scroller-overlay .hint{font-family:var(--f-mono);font-size:.65rem;letter-spacing:.3em;text-transform:uppercase;color:var(--c-ink-muted);margin-top:1.5rem;display:inline-block}
.three-detail{position:relative;z-index:2;background:var(--c-paper);border-top:1px solid var(--c-line)}
.three-detail .section{padding-top:8rem;padding-bottom:8rem}
.three-grid{display:grid;gap:3rem;grid-template-columns:1fr}
@media (min-width:1024px){.three-grid{grid-template-columns:1.5fr 1fr;gap:5rem}}
.three-grid h2{font-family:var(--f-display);font-weight:300;font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.15;letter-spacing:-.01em;margin-bottom:1.2rem}
.three-grid h2 em{font-style:italic;color:var(--c-ink-muted)}
.three-grid p{font-size:1.02rem;line-height:1.7;color:var(--c-ink-muted);font-weight:300;margin-bottom:1rem;max-width:54ch}
.specs{border-left:1px solid var(--c-line-strong);padding-left:1.5rem;display:grid;gap:1.4rem}
.spec dt{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.22em;color:var(--c-ink-faint);text-transform:uppercase;margin-bottom:.3rem}
.spec dd{font-family:var(--f-mono);font-size:.85rem;color:var(--c-ink);letter-spacing:.05em}

/* ===== OBRA page ===== */
.obra{max-width:var(--maxw);margin:0 auto;padding:14vh var(--pad-x) 6rem;display:grid;gap:3rem;grid-template-columns:1fr}
@media (min-width:1024px){.obra{grid-template-columns:1.4fr 1fr;gap:5rem;align-items:start;padding:18vh var(--pad-x) 8rem}}
.obra-cover{background:var(--c-paper-soft);border:1px solid var(--c-line)}
.obra-cover img,.obra-cover video{width:100%;display:block}
.obra-thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:.5rem;margin-top:.8rem}
.obra-thumbs img{width:100%;aspect-ratio:1;object-fit:cover;border:1px solid var(--c-line);cursor:pointer;opacity:.65;transition:opacity var(--t-fast),border-color var(--t-fast)}
.obra-thumbs img:hover,.obra-thumbs img.active{opacity:1;border-color:var(--c-ink)}
.obra-data{display:flex;flex-direction:column;gap:1.4rem;position:sticky;top:14vh}
.obra-cat{font-family:var(--f-mono);font-size:.65rem;letter-spacing:.22em;text-transform:uppercase;color:var(--c-ink-muted)}
.obra-title{font-family:var(--f-display);font-weight:300;font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.05;letter-spacing:-.015em}
.obra-title em{font-style:italic;color:var(--c-ink-muted)}
.obra-tech{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--c-ink-faint)}
.obra-desc{font-size:1.02rem;line-height:1.75;color:var(--c-ink-muted);font-weight:300;max-width:54ch}
.obra-back{margin-top:1.5rem;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--c-ink-muted);border-bottom:1px solid var(--c-line-strong);padding-bottom:.4rem;align-self:flex-start;transition:color var(--t-fast),border-color var(--t-fast)}
.obra-back:hover{color:var(--c-ink);border-color:var(--c-ink)}

/* ===== 404 ===== */
.notfound{min-height:90vh;display:grid;place-items:center;text-align:center;padding:14vh var(--pad-x) 6rem}
.notfound-num{font-family:var(--f-display);font-style:italic;font-weight:300;font-size:clamp(6rem,18vw,14rem);line-height:1;letter-spacing:-.04em;color:var(--c-ink)}
.notfound-msg{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.22em;text-transform:uppercase;color:var(--c-ink-muted);margin-top:1rem}
.notfound a{margin-top:2rem;display:inline-block;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--c-ink);border-bottom:1px solid var(--c-ink);padding-bottom:.3rem}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* ===== reduced motion ===== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .work,.reveal,.hero-mark,.hero-foot,.hero-line>span{opacity:1!important;transform:none!important}
}

/* ===== small screens fine-tune ===== */
@media (max-width:600px){
  .site-header{padding:1.1rem var(--pad-x)}
  .lb-close{top:.7rem;right:.7rem}
}