/* =========================================================
   Irina Keen — portfolio
   Design language: paper white, ink black, Cormorant display,
   Jost micro-caps. Imagery full-bleed; typography quiet.
   ========================================================= */

/* ---------- tokens ---------- */
:root{
  --paper:#fdfdfc;
  --ink:#0a0a0a;
  /* reading text and labels were too light to read comfortably on paper white */
  --ink-60:rgba(10,10,10,.82);
  --ink-40:rgba(10,10,10,.64);
  --ink-20:rgba(10,10,10,.2);
  --ink-10:rgba(10,10,10,.1);
  --ink-06:rgba(10,10,10,.06);
  --serif:'Cormorant Garamond',Georgia,'Times New Roman',serif;
  --sans:'Jost',system-ui,-apple-system,'Segoe UI',sans-serif;

  --micro:.62rem;          /* letterspaced caps */
  --track:.24em;
  --gutter:clamp(1.25rem,4vw,3.5rem);
  --nav-h:clamp(4.25rem,7vw,5.75rem);
  --ease:cubic-bezier(.25,.46,.45,.94);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{-webkit-text-size-adjust:100%}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:300;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{display:block;max-width:100%;height:auto}
/* <picture> must not sit in the layout between a frame and its image */
picture{display:contents}
a{color:inherit}
/* every control reads as clickable — buttons default to an arrow cursor,
   which made the dots and the image frames feel inert */
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
button:disabled{cursor:default}
a{cursor:pointer}

::selection{background:var(--ink);color:var(--paper)}

/* ---------- accessibility ---------- */
.skip{
  position:absolute;left:var(--gutter);top:-100px;z-index:999;
  background:var(--ink);color:var(--paper);
  padding:.75rem 1.25rem;font-size:var(--micro);
  letter-spacing:var(--track);text-transform:uppercase;text-decoration:none;
  transition:top .2s;
}
.skip:focus{top:1rem}

:focus{outline:none}
:focus-visible{outline:1px solid var(--ink);outline-offset:4px}
body.kb :focus-visible{outline:1px solid var(--ink);outline-offset:4px}

.sr{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- grain ---------- */
body::after{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:9000;
  opacity:.02;
  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='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- navigation ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:300;
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 var(--gutter);
  background:linear-gradient(to bottom,var(--paper) 0%,rgba(253,253,252,.82) 55%,rgba(253,253,252,0) 100%);
  /* NOTE: never animate this with `transform`. A transformed ancestor becomes
     the containing block for position:fixed descendants, which collapses the
     full-screen mobile menu inside it to the height of the bar. */
  transition:top .4s var(--ease),opacity .3s;
}
.nav.hide{top:calc(var(--nav-h) * -1)}
/* the contact page puts a dark full-height image under the right half of the
   nav, so a transparent bar would leave the links dark-on-dark */
body[data-page="contact"] .nav{background:var(--paper);box-shadow:0 1px 0 var(--ink-06)}

.brand{
  display:flex;align-items:baseline;gap:.6rem;
  text-decoration:none;flex-shrink:0;
}
.brand-name{
  font-family:var(--serif);font-size:1.3rem;font-weight:300;
  letter-spacing:.07em;line-height:1;white-space:nowrap;
}
.brand-mark{
  font-size:.5rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-40);white-space:nowrap;
}

.nav-list{display:flex;align-items:center;gap:clamp(1.25rem,3vw,2.5rem);list-style:none}
.nav-list a{
  display:inline-block;padding:.4rem 0;
  font-size:var(--micro);letter-spacing:var(--track);text-transform:uppercase;
  text-decoration:none;color:var(--ink);opacity:.72;
  transition:opacity .3s;position:relative;
}
.nav-list a::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--ink);transform:scaleX(0);transform-origin:left;
  transition:transform .35s var(--ease);
}
.nav-list a:hover{opacity:1}
.nav-list a[aria-current="page"]{opacity:1}
.nav-list a[aria-current="page"]::after{transform:scaleX(1)}

/* burger */
.burger{
  display:none;width:40px;height:40px;
  align-items:center;justify-content:center;
  margin-right:calc(var(--gutter) * -0.35);
}
.burger span{
  display:block;width:20px;height:1px;background:var(--ink);
  position:relative;transition:background .2s;
}
.burger span::before,.burger span::after{
  content:'';position:absolute;left:0;width:20px;height:1px;background:var(--ink);
  transition:transform .3s var(--ease);
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
body.menu-open .burger span{background:transparent}
body.menu-open .burger span::before{transform:translateY(6px) rotate(45deg)}
body.menu-open .burger span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- pages ---------- */
/* display is decided ONLY by .is-active, so a later layout rule
   on a page (flex/grid) can never leak an inactive page onto the screen */
.page{display:none}
.page.is-active{display:block;animation:pageIn .7s var(--ease) both}
.page.home.is-active{display:flex}
.page.contact.is-active{display:grid}
@keyframes pageIn{from{opacity:0}to{opacity:1}}

/* ---------- works ---------- */
/* the lead work sits directly under the bar — no empty band above it */
#page-works{padding-top:var(--nav-h)}

.works-divider{
  padding:clamp(2.5rem,7vh,4.5rem) var(--gutter) clamp(1.5rem,4vh,2.5rem);
}
.works-divider-title{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(1.8rem,4.5vw,3rem);line-height:1;letter-spacing:-.01em;
}
.eyebrow{
  font-size:var(--micro);letter-spacing:var(--track);text-transform:uppercase;
  color:var(--ink-40);margin-bottom:1rem;display:block;
}
.works-head h1,.studio-head h1,.contact-head h1{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(2.2rem,5.5vw,4rem);line-height:1;letter-spacing:-.01em;
}
.works-head p{
  margin-top:1.25rem;max-width:46ch;
  font-size:.82rem;line-height:1.8;color:var(--ink-60);
}

.work{border-bottom:1px solid var(--ink-10)}
.work-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:0;
}
.work-figure{
  position:relative;width:100%;
  aspect-ratio:16/10;
  overflow:hidden;background:var(--ink-06);
  border:0;display:block;width:100%;text-align:left;
}
.work-figure img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 1.1s var(--ease),filter .6s var(--ease);
}
.work-figure:hover img{transform:scale(1.03)}

/* multi-image works sit side by side inside one frame */
.work-figure.split{display:flex;gap:2px;background:var(--ink)}
.work-figure.split img{flex:1;min-width:0;height:100%}
.work-figure.pair{display:flex;align-items:center;justify-content:center;gap:4px;background:var(--paper)}
.work-figure.pair img{height:100%;width:auto;flex:0 1 auto;object-fit:cover}
.work-figure.pair img.minor{height:56%;object-fit:contain}
.work-figure.contain{background:#f6f5f3}
.work-figure.contain img{object-fit:contain}

/* 'whole': the frame matches the image's own ratio at each breakpoint, so the
   picture is shown complete — nothing is cropped off the top or bottom. */
.work-figure.whole{aspect-ratio:1376/768;background:var(--paper)}
.work-figure.whole img{object-fit:contain}

.work-zoom{
  /* top-right: the bottom-right corner is where these images carry their own
     printed caption and fingerprint, which the badge was covering */
  position:absolute;right:1rem;top:1rem;z-index:3;
  font-size:var(--micro);letter-spacing:var(--track);text-transform:uppercase;
  color:#fff;background:rgba(0,0,0,.55);backdrop-filter:blur(6px);
  padding:.5rem .85rem;
  opacity:0;transform:translateY(-6px);
  transition:opacity .35s var(--ease),transform .35s var(--ease);
  pointer-events:none;
}
.work-figure:hover .work-zoom,.work-figure:focus-visible .work-zoom{opacity:1;transform:translateY(0)}

.work-caption{
  padding:.7rem var(--gutter) 0;
  font-size:var(--micro);letter-spacing:.1em;
  color:var(--ink-40);
}

.work-meta{
  display:grid;
  grid-template-columns:4.5rem minmax(0,1fr) auto;
  align-items:baseline;gap:clamp(1rem,3vw,2.5rem);
  padding:clamp(1.25rem,3vw,2rem) var(--gutter) clamp(1.75rem,4vw,2.75rem);
}
.work-index{
  font-family:var(--serif);font-style:italic;font-size:.9rem;
  color:var(--ink-40);
}
.work-title{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(1.35rem,3vw,2.1rem);line-height:1.1;
}
.work-tags{
  display:flex;gap:1.25rem;flex-wrap:wrap;justify-content:flex-end;
  font-size:var(--micro);letter-spacing:var(--track);text-transform:uppercase;
  color:var(--ink-40);
}

/* bilingual description under a work */
.work-text{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(1.75rem,4vw,3.5rem);
  /* full gutter-to-gutter, so the Hebrew column's right edge lines up with
     the meta row above it instead of stopping short */
  padding:0 var(--gutter) clamp(2.5rem,6vw,4rem);
}
.work-text-col{max-width:62ch}
.work-text-col[dir="rtl"]{
  font-family:'Assistant',var(--sans);
  max-width:58ch;
  /* flush to the right edge of the grid column. NOT margin-inline-start:
     in an RTL box that is the right side, which pushes the text left. */
  margin-left:auto;
  margin-right:0;
}
.work-text-lang{
  display:block;margin-bottom:.9rem;
  font-family:var(--sans);
  font-size:var(--micro);letter-spacing:var(--track);text-transform:uppercase;
  color:var(--ink-40);
}
.work-text-col[dir="rtl"] .work-text-lang{letter-spacing:.1em}
.work-text-col p{
  font-size:.92rem;line-height:1.9;color:#1a1a1a;
  margin-bottom:1.05em;
}
.work-text-col[dir="rtl"] p{font-size:.95rem;line-height:1.9}
.work-text-col p:last-child{margin-bottom:0}

@media (min-width:900px){
  .work-text{grid-template-columns:1fr 1fr}
}

/* video work */
.work-video{position:relative;width:100%;height:100%}
.work-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.work-video.no-poster{background:#111}
/* a still that is a small form on a light ground is shown whole, not cropped */
.work-video.poster-contain{background:#f6f5f3}
.work-video.poster-contain img{object-fit:contain}
.work-video.poster-contain .play{background:rgba(0,0,0,.04)}
.work-video.poster-contain .play:hover{background:rgba(0,0,0,.02)}
.work-video.poster-contain .play-ring{border-color:rgba(0,0,0,.4);background:rgba(255,255,255,.72)}
.work-video.poster-contain .play-ring::after{border-left-color:var(--ink)}
.work-video.poster-contain .play:hover .play-ring{background:rgba(255,255,255,.92)}
.play{
  position:absolute;inset:0;z-index:3;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,.18);border:0;width:100%;
  transition:background .4s var(--ease);
}
.play:hover{background:rgba(0,0,0,.08)}
.play-ring{
  width:76px;height:76px;border:1px solid rgba(255,255,255,.85);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,.3);backdrop-filter:blur(2px);
  transition:transform .45s var(--ease),background .45s var(--ease);
}
.play:hover .play-ring{transform:scale(1.08);background:rgba(0,0,0,.5)}
.play-ring::after{
  content:'';width:0;height:0;margin-left:5px;
  border-left:18px solid #fff;
  border-top:11px solid transparent;border-bottom:11px solid transparent;
}

/* ---------- studio ---------- */
.studio-head,.contact-head{
  padding:calc(var(--nav-h) + clamp(2.5rem,8vh,5rem)) var(--gutter) clamp(2rem,5vh,3.5rem);
}
.studio-head p{margin-top:1.25rem;max-width:46ch;font-size:.82rem;line-height:1.8;color:var(--ink-60)}

.series{border-top:1px solid var(--ink-10);padding:clamp(2rem,5vh,3.5rem) 0}
.series-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:1.5rem;
  padding:0 var(--gutter) clamp(1.25rem,3vh,2rem);flex-wrap:wrap;
}
.series-name{font-family:var(--serif);font-weight:300;font-size:clamp(1.5rem,3.5vw,2.4rem);line-height:1}
.series-count{font-size:var(--micro);letter-spacing:var(--track);text-transform:uppercase;color:var(--ink-40)}

.slider{position:relative}   /* full-bleed: the pictures take the whole width */
.slider-frame{overflow:hidden}
.slider-track{
  display:flex;
  transition:transform .6s var(--ease);
  will-change:transform;
}
.slide{
  flex:0 0 100%;min-width:0;
  display:flex;align-items:center;justify-content:center;
  height:min(86svh,1100px);          /* the picture fills the screen */
  padding:0 clamp(3rem,6vw,5rem);    /* room for the arrows at the edges */
  background:none;border:0;
  cursor:zoom-in;
}
.slide img{
  max-width:100%;max-height:100%;width:auto;height:auto;
  object-fit:contain;user-select:none;-webkit-user-drag:none;
}

.slider-stage{position:relative}

.slider-nav{
  display:flex;align-items:center;justify-content:center;
  padding-top:clamp(1rem,2.5vh,1.5rem);
}
.slider-dots{display:flex;gap:2px;align-items:center}
/* the visible dot is 6px, but the button around it is a real target:
   32px on a mouse, 44px on touch */
.dot{
  width:32px;height:32px;padding:0;
  display:flex;align-items:center;justify-content:center;
  background:none;border:0;cursor:pointer;
}
.dot::after{
  content:'';display:block;
  width:6px;height:6px;border-radius:50%;background:var(--ink-20);
  transition:background .3s,transform .3s;
}
.dot:hover::after{background:var(--ink-40)}
.dot[aria-current="true"]::after{background:var(--ink);transform:scale(1.45)}
@media (hover:none){
  .dot{width:44px;height:44px}
}
/* one arrow on each side of the picture, vertically centred on it */
.arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:44px;height:44px;border:1px solid var(--ink-20);
  display:flex;align-items:center;justify-content:center;
  font-size:.9rem;
  background:rgba(253,253,252,.82);backdrop-filter:blur(6px);
  transition:background .25s,color .25s,border-color .25s,opacity .25s;
}
.arrow.prev{left:clamp(.5rem,1.5vw,1.5rem)}
.arrow.next{right:clamp(.5rem,1.5vw,1.5rem)}
.arrow:hover:not(:disabled){background:var(--ink);color:var(--paper);border-color:var(--ink)}
.arrow:disabled{opacity:.25}

/* ---------- contact ---------- */
.contact{min-height:100svh;grid-template-columns:1fr;align-items:stretch}
.contact-grid{display:grid;grid-template-columns:1fr;min-height:100svh}
.contact-body{
  display:flex;flex-direction:column;justify-content:center;
  padding:calc(var(--nav-h) + 2rem) var(--gutter) clamp(2.5rem,6vh,4rem);
}
.contact-body h1{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(2.4rem,6vw,4.5rem);line-height:1;letter-spacing:-.01em;
  margin-bottom:clamp(1.5rem,4vh,2.5rem);
}

/* one line, one job: the address, which opens the reader's mail app */
.contact-email{
  display:inline-block;align-self:flex-start;
  font-size:clamp(1rem,1.8vw,1.25rem);letter-spacing:.02em;
  color:var(--ink);text-decoration:none;
  transition:opacity .3s;
}
.contact-email:hover{opacity:.6}

.contact-image{position:relative;min-height:40vh;background:var(--ink-06);overflow:hidden}
.contact-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* ---------- footer ---------- */
.foot{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  flex-wrap:wrap;
  padding:clamp(1.5rem,4vh,2.5rem) var(--gutter);
  border-top:1px solid var(--ink-10);
  font-size:var(--micro);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-40);
}
.foot a{text-decoration:none;transition:color .3s}
.foot a:hover{color:var(--ink)}

/* ---------- lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:9500;
  background:rgba(253,253,252,.985);
  display:none;align-items:center;justify-content:center;
  padding:clamp(3rem,8vh,5rem) clamp(1rem,6vw,5rem);
}
.lightbox.open{display:flex;animation:pageIn .3s both}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain}
.lightbox-close{
  position:absolute;top:clamp(1rem,3vh,2rem);right:var(--gutter);
  font-size:var(--micro);letter-spacing:var(--track);text-transform:uppercase;
  padding:.6rem;color:var(--ink-60);transition:color .25s;
}
.lightbox-close:hover{color:var(--ink)}
.lightbox-caption{
  position:absolute;bottom:clamp(1rem,3vh,2rem);left:var(--gutter);right:var(--gutter);
  font-size:var(--micro);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-40);
  text-align:center;
}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (min-width:900px){
  .work-inner{grid-template-columns:minmax(0,1fr)}
  .work-figure{aspect-ratio:21/9}
  .contact-grid{grid-template-columns:1fr 1fr}
  .contact-image{min-height:100svh}
}

@media (max-width:860px){
  .burger{display:flex}
  /* the <nav> wrapper still counted as a flex child even though its list is
     position:fixed, so space-between stranded the burger in the middle */
  .nav > nav{display:contents}
  .burger{margin-left:auto}
  .nav-list{
    position:fixed;inset:0;z-index:290;
    width:100vw;height:100svh;   /* explicit, so the overlay covers even if the
                                    containing block is ever not the viewport */
    flex-direction:column;align-items:center;justify-content:center;
    gap:2.25rem;
    background:var(--paper);
    transform:translateY(-100%);
    transition:transform .5s var(--ease);
  }
  body.menu-open .nav-list{transform:translateY(0)}
  .nav-list a{font-size:.8rem;letter-spacing:.2em;opacity:.78}
  .burger{position:relative;z-index:310}
  .brand{position:relative;z-index:310}
  body.menu-open{overflow:hidden}
}

@media (max-width:620px){
  .brand-mark{display:none}
  .work-figure{aspect-ratio:4/5}
  .work-figure.whole{aspect-ratio:1/1}   /* the square phone crop */
  .work-figure.pair{flex-direction:column;gap:2px}
  .work-figure.pair img{height:auto;width:100%;max-height:62%}
  .work-figure.pair img.minor{width:72%;height:auto;max-height:34%}
  .work-figure.split{flex-direction:column}
  .work-meta{
    grid-template-columns:3rem minmax(0,1fr);
    row-gap:.6rem;
  }
  .work-tags{grid-column:2;justify-content:flex-start}
  /* a phone is portrait and most of these pictures are landscape, so give the
     width back (the arrows overlay) and drop the height to match */
  .slide{height:min(58svh,520px);padding:0 .5rem}
  .contact-links a{flex-direction:column;gap:.3rem;align-items:flex-start}
}

/* Touch devices have no hover, so anything revealed on hover would never be
   seen at all. Show the captions and the zoom affordance permanently there. */
@media (hover:none){
  .work-zoom{opacity:1;transform:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
  .reveal{opacity:1;transform:none}
}