/* ============================================================
   Katia Shabanova — museum-minimal portfolio
   Material sensibility: paper, water, ink, silence, space.
   ============================================================ */

/* ---- Typography (loaded in <head>): Cormorant Garamond (display serif),
        system sans for quiet metadata. ---- */

:root{
  --paper:      #f4f1ea;   /* warm paper white */
  --paper-deep: #eeeae1;
  --ink:        #1b1a17;   /* near-black ink */
  --ink-soft:   #4a4740;
  --meta:       #8c877c;   /* muted grey for metadata */
  --line:       #d9d4c8;   /* hairline */
  --hover:      #000;

  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  --edge: 4.5vw;           /* generous outer margin */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --slow: 1.1s;
}

*{ box-sizing:border-box; }

html{ -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  opacity:0;
  animation:pageIn 1.2s var(--ease) forwards;
}
@keyframes pageIn{ from{opacity:0} to{opacity:1} }

img{ display:block; max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }

::selection{ background:#dfe6e6; }

/* ---------- Metadata / labels (quiet sans, tracked caps) ---------- */
.meta{
  font-family:var(--sans);
  font-size:11px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--meta);
  font-weight:400;
}

/* ============================================================
   SITE HEADER  — discreet, always the same, gets out of the way
   ============================================================ */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:50;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px var(--edge);
  pointer-events:none;
  background:rgba(244,241,234,0.72);
  -webkit-backdrop-filter:blur(11px) saturate(1.04);
  backdrop-filter:blur(11px) saturate(1.04);
  border-bottom:1px solid rgba(30,28,24,0.07);
}
/* on the dark hero: a soft translucent veil so the white text stays legible */
.home .site-header{
  background:linear-gradient(to bottom, rgba(14,13,12,0.42), rgba(14,13,12,0.06));
  -webkit-backdrop-filter:blur(3px);
  backdrop-filter:blur(3px);
  border-bottom:0;
}
.site-header a{ pointer-events:auto; }

.wordmark{
  font-family:var(--serif);
  font-weight:500;
  font-size:19px;
  letter-spacing:0.02em;
  line-height:1.2;
  color:var(--ink);
}
.wordmark small{
  display:block;
  font-family:var(--sans);
  font-size:10px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--meta);
  margin-top:5px;
  font-weight:400;
}
/* on the dark hero the wordmark stays legible */
.home .wordmark, .home .nav-toggle{ color:#fff; }
.home .wordmark small{ color:rgba(255,255,255,0.72); }

/* ---------- Navigation ---------- */
.nav{ text-align:right; }
.nav ul{
  list-style:none; margin:0; padding:0;
  display:flex; gap:26px;
}
.nav a{
  font-family:var(--sans);
  font-size:11px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
  padding-bottom:2px;
  position:relative;
  transition:color .5s var(--ease);
}
.home .nav a{ color:rgba(255,255,255,0.85); }
.nav a::after{
  content:""; position:absolute; left:0; bottom:-2px;
  width:100%; height:1px; background:currentColor;
  transform:scaleX(0); transform-origin:left;
  transition:transform .5s var(--ease);
}
.nav a:hover::after, .nav a.active::after{ transform:scaleX(1); }
.nav a:hover{ color:var(--hover); }
.home .nav a:hover{ color:#fff; }

.nav-toggle{
  display:none;
  pointer-events:auto;
  background:none; border:0; cursor:pointer;
  font-family:var(--sans); font-size:11px; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--ink-soft);
}

/* ============================================================
   HOME — one artwork, almost full screen. No hero copy.
   ============================================================ */
.home, .home body{ background:#0e0d0c; }
.hero{
  position:relative;
  width:100%;
  height:100vh; height:100svh;
  overflow:hidden;
  background:#0e0d0c;
}
.hero img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  object-position:center 42%;
  opacity:0;
  transform:scale(1.04);
  animation:heroIn 2.4s var(--ease) forwards;
}
@keyframes heroIn{ to{ opacity:1; transform:scale(1); } }

.hero-caption{
  position:absolute;
  left:var(--edge); bottom:calc(var(--edge) * 0.7);
  color:rgba(255,255,255,0.9);
  z-index:5;
  opacity:0;
  animation:fadeUp 1.4s var(--ease) 1.4s forwards;
}
.hero-caption .t{ font-family:var(--serif); font-size:clamp(17px,2vw,22px); font-style:italic; }
.hero-caption .m{ color:rgba(255,255,255,0.62); margin-top:4px; }

.hero-enter{
  position:absolute;
  right:var(--edge); bottom:calc(var(--edge) * 0.7);
  z-index:5;
  color:rgba(255,255,255,0.8);
  opacity:0;
  animation:fadeUp 1.4s var(--ease) 1.7s forwards;
}
@keyframes fadeUp{ from{opacity:0; transform:translateY(12px)} to{opacity:1; transform:translateY(0)} }

/* ============================================================
   PAGE SCAFFOLD (interior pages)
   ============================================================ */
main{ padding-top:0; }
.page{
  padding:calc(var(--edge) * 2.6) var(--edge) calc(var(--edge) * 1.4);
  max-width:1500px; margin:0 auto;
}
.page-lead{
  max-width:640px;
  margin:0 0 calc(var(--edge) * 1.4);
}
.page-title{
  font-family:var(--serif);
  font-weight:500;
  font-size:clamp(30px, 4vw, 46px);
  letter-spacing:0.01em;
  line-height:1.1;
  margin:0 0 22px;
}
.page-lead p{
  font-family:var(--serif);
  font-size:clamp(18px,1.5vw,21px);
  line-height:1.55;
  color:var(--ink-soft);
  margin:0;
}

/* ============================================================
   SELECTED WORKS — rhythmic single-column gallery
   Alternating scale + generous breathing room.
   ============================================================ */
/* two-column layout: side filter + grid */
.works-layout{
  display:grid;
  grid-template-columns:170px 1fr;
  gap:calc(var(--edge) * 1.15);
  align-items:start;
}
.works-sidebar{ position:sticky; top:calc(var(--edge) * 2.6); }
.filter{ display:flex; flex-direction:column; gap:15px; }
.filter-btn{
  background:none; border:0; cursor:pointer; text-align:left; padding:0;
  font-family:var(--sans); font-size:12px; letter-spacing:0.04em;
  color:var(--meta); transition:color .45s var(--ease);
}
.filter-btn:hover{ color:var(--ink-soft); }
.filter-btn.active{ color:var(--ink); }

/* masonry grid (row-span computed in JS) */
/* flex flow keeps strict source order: big works full-width, small works
   pair two-per-row, and a pair never crosses a series boundary. */
.works-grid{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-start;
  gap:52px 2.2vw;
}
.gwork{
  opacity:0; transform:translateY(22px);
  transition:opacity 1.2s var(--ease), transform 1.2s var(--ease);
}
.gwork.in{ opacity:1; transform:none; }
.gwork.hidden{ display:none; }
.gwork figure{ margin:0; }

.g-big{ flex:0 0 100%; max-width:100%; }
.g-mid,
.g-small{ flex:0 0 calc(50% - 1.1vw); max-width:calc(50% - 1.1vw); }

.frame{ cursor:zoom-in; overflow:hidden; text-align:center; }
/* never let a work exceed the viewport — cap height, keep aspect, centre */
.frame img{
  display:block; margin:0 auto;
  width:auto; max-width:100%; max-height:80vh;
  transition:transform 1.6s var(--ease);
}
.frame:hover img{ transform:scale(1.014); }

.caption{
  margin-top:15px;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:3px;
}
.caption .title{
  font-family:var(--serif);
  font-size:19px;
  font-style:italic;
  letter-spacing:0.01em;
  color:var(--ink);
  line-height:1.25;
}
.caption .year{
  font-family:var(--sans);
  font-style:normal;
  font-size:12px;
  letter-spacing:0.02em;
  color:var(--meta);
  font-variant-numeric:lining-nums tabular-nums;
}
.caption .spec{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:0.01em;
  color:var(--meta);
  line-height:1.5;
  margin-top:2px;
  font-variant-numeric:lining-nums tabular-nums;
}
.caption .note{
  max-width:560px;
  margin:12px auto 0;
  text-align:left;
  font-family:var(--serif);
  font-size:16px;
  line-height:1.6;
  color:var(--ink-soft);
}
.caption .note span{ display:block; }
.caption .note span + span{ margin-top:0.7em; }

/* ============================================================
   VIDEO PERFORMANCES
   ============================================================ */
.perf{
  display:flex;
  flex-direction:column;
  gap:calc(var(--edge) * 2.4);
}
.perf-item{
  opacity:0; transform:translateY(26px);
  transition:opacity 1.3s var(--ease), transform 1.3s var(--ease);
}
.perf-item.in{ opacity:1; transform:none; }

.video-wrap{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  background:#0e0d0c;
  overflow:hidden;
  cursor:pointer;
}
.video-wrap img{
  position:absolute; inset:0;
  width:100%; height:100%; object-fit:cover;
  transition:transform 1.8s var(--ease), opacity .8s var(--ease);
}
.video-wrap:hover img{ transform:scale(1.02); }
.video-wrap iframe{
  position:absolute; inset:0; width:100%; height:100%; border:0;
}
.play{
  position:absolute; inset:0; margin:auto;
  width:82px; height:82px; border-radius:50%;
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.85);
  cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  -webkit-backdrop-filter:blur(2px); backdrop-filter:blur(2px);
  transition:background .5s var(--ease), transform .5s var(--ease);
  pointer-events:none;
}
.play svg{ fill:rgba(255,255,255,0.95); margin-left:4px; }
.video-wrap:hover .play{ background:rgba(255,255,255,0.2); transform:scale(1.04); }
.perf-item .caption{ margin-top:22px; }
.perf-item .credit{ width:100%; color:var(--meta); margin-top:2px; font-size:13px; }

/* film-still strip beneath each performance */
.stills{
  margin-top:26px;
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(150px, 1fr));
  gap:12px;
}
.still{
  padding:0; border:0; cursor:zoom-in; background:#0e0d0c;
  overflow:hidden; aspect-ratio:16/9;
}
.still img{
  width:100%; height:100%; object-fit:cover;
  opacity:0.92; transition:opacity .5s var(--ease), transform 1.4s var(--ease);
}
.still:hover img{ opacity:1; transform:scale(1.04); }
.stills-lb img{ max-height:80vh; }

/* ============================================================
   TEXT PAGES — About, CV, Contact
   ============================================================ */
.prose{ max-width:660px; }
.prose p{
  font-family:var(--serif);
  font-size:clamp(17px,1.35vw,20px);
  line-height:1.72;
  color:var(--ink-soft);
  margin:0 0 1.35em;
}
.prose p:first-of-type{ color:var(--ink); }

.about-layout{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:calc(var(--edge) * 1.3);
  align-items:start;
}
.about-portrait img{ width:100%; }
.about-portrait .meta{ margin-top:14px; }

/* Artist statement — clearly separated first-person voice */
.statement{
  margin-top:calc(var(--edge) * 1.6);
  padding-top:calc(var(--edge) * 0.9);
  border-top:1px solid var(--line);
}
.statement-title{
  font-family:var(--sans);
  font-size:11px; letter-spacing:0.16em; text-transform:uppercase;
  color:var(--meta); font-weight:400; margin:0 0 26px;
}
.statement-body{ max-width:700px; }
.statement-body p:first-of-type{
  font-family:var(--serif); font-style:italic;
  font-size:clamp(20px,1.7vw,25px); line-height:1.5; color:var(--ink);
}

/* CV */
.cv{ max-width:760px; }
.cv-section{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:12px 40px;
  padding:26px 0;
  border-top:1px solid var(--line);
}
.cv-section:last-child{ border-bottom:1px solid var(--line); }
.cv-section h2{
  margin:0;
  font-family:var(--sans);
  font-size:11px; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--meta); font-weight:400; padding-top:4px;
}
.cv-list{ margin:0; }
.cv-row{ display:flex; gap:20px; padding:5px 0; }
.cv-row .yr{ flex:0 0 88px; color:var(--meta); font-variant-numeric:tabular-nums; }
.cv-row .desc{ font-family:var(--serif); font-size:18px; color:var(--ink-soft); }

/* Contact */
/* unified, aligned contact list — every value in the same quiet type */
.contact-list{ max-width:660px; }
.c-row{
  display:grid;
  grid-template-columns:250px 1fr;
  gap:24px;
  align-items:baseline;
  padding:17px 0;
  border-top:1px solid var(--line);
}
.c-row:last-child{ border-bottom:1px solid var(--line); }
.c-label{ padding-top:1px; }
.c-val{
  font-family:var(--sans);
  font-size:17px;
  font-weight:400;
  letter-spacing:0.01em;
  color:var(--ink);
  font-variant-numeric:lining-nums tabular-nums;
}
a.c-val{ transition:color .4s var(--ease); }
a.c-val:hover{ color:#5a6a68; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{
  padding:calc(var(--edge) * 1.2) var(--edge);
  margin-top:calc(var(--edge) * 1.6);
  border-top:1px solid var(--line);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:14px;
}
.site-footer .meta a{ transition:color .4s var(--ease); }
.site-footer .meta a:hover{ color:var(--ink); }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox{
  position:fixed; inset:0; z-index:100;
  background:rgba(14,13,12,0.96);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none;
  transition:opacity .7s var(--ease);
  padding:5vh 6vw;
}
.lightbox.open{ opacity:1; pointer-events:auto; }
.lightbox figure{ margin:0; max-width:100%; max-height:100%; text-align:center; }
.lightbox img{
  max-width:100%; max-height:82vh; width:auto; margin:0 auto;
  box-shadow:0 30px 80px rgba(0,0,0,0.5);
  opacity:0; transform:scale(.985);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
.lightbox.open img{ opacity:1; transform:none; }
.lightbox figcaption{
  margin-top:22px; color:rgba(255,255,255,0.85);
  font-family:var(--serif); font-style:italic; font-size:18px;
}
.lightbox figcaption .m{
  display:block; font-family:var(--sans); font-style:normal;
  font-size:11px; letter-spacing:0.14em; text-transform:uppercase;
  color:rgba(255,255,255,0.5); margin-top:8px;
}
.lightbox .lb-close{
  position:absolute; top:26px; right:34px;
  z-index:6;
  width:48px; height:48px;
  background:none; border:0; cursor:pointer; color:rgba(255,255,255,0.8);
  font-size:30px; line-height:1; font-family:var(--sans);
  transition:color .4s var(--ease);
}
.lightbox .lb-close:hover{ color:#fff; }
.lb-nav{
  position:absolute; top:88px; bottom:0; width:16%;
  z-index:4;
  background:none; border:0; cursor:pointer; color:rgba(255,255,255,0.55);
  font-size:34px; font-family:var(--serif);
  transition:color .4s var(--ease);
}
.lb-nav:hover{ color:#fff; }
.lb-prev{ left:0; } .lb-next{ right:0; }

/* ============================================================
   RESPONSIVE — mobile is redesigned, not compressed.
   Single immersive column, edge-to-edge images, larger tap targets.
   ============================================================ */
@media (max-width: 1100px) and (min-width: 821px){
  .works-layout{ grid-template-columns:140px 1fr; }
  .g-mid{ grid-column:span 12; }
  .g-small{ grid-column:span 6; }
}

@media (max-width: 820px){
  :root{ --edge:6.5vw; }

  .site-header{ padding:20px var(--edge); align-items:center; }
  .nav{ display:none; }
  .nav.open{
    display:block; position:fixed; inset:0; z-index:60;
    background:var(--paper); padding:26vh var(--edge) 0;
  }
  .home .nav.open{ background:var(--paper); }
  .nav.open ul{ flex-direction:column; gap:34px; align-items:flex-start; }
  .nav.open a{ font-size:15px; color:var(--ink-soft); }
  .home .nav.open a{ color:var(--ink-soft); }
  .nav-toggle{ display:block; }

  .page{ padding:32vw var(--edge) 16vw; }

  /* filter becomes a horizontal row above the works */
  .works-layout{ grid-template-columns:1fr; gap:9vw; }
  .works-sidebar{ position:static; }
  .filter{
    flex-direction:row; flex-wrap:nowrap; gap:22px;
    overflow-x:auto; padding-bottom:6px;
    -webkit-overflow-scrolling:touch;
  }
  .filter-btn{ white-space:nowrap; font-size:13px; }

  /* every work full-width and immersive on phone */
  .works-grid{ display:block; }
  .gwork{ display:block; margin-bottom:18vw; }
  .gwork figure{ margin:0; }
  .caption .title{ font-size:20px; }
  .caption .spec, .caption .year{ font-size:13px; }
  .caption .note{ font-size:17px; }

  .frame img{ max-height:78vh; }

  /* contact list stacks label over value on phone */
  .c-row{ grid-template-columns:1fr; gap:5px; padding:16px 0; }
  .c-val{ font-size:18px; }

  .about-layout{ grid-template-columns:1fr; gap:9vw; }
  .about-portrait{ order:-1; }

  .cv-section{ grid-template-columns:1fr; gap:10px; padding:22px 0; }
  .cv-row{ gap:14px; }
  .cv-row .yr{ flex-basis:66px; }

  .perf{ gap:22vw; }
  .lb-nav{ font-size:26px; width:20%; }
  .lightbox img{ max-height:70vh; }
}

@media (max-width: 820px){
  /* keep the mobile nav toggle dark once menu is open over paper */
  .home .nav.open ~ .nav-toggle, .nav.open + .nav-toggle{ color:var(--ink); }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001s !important; transition-duration:.001s !important; }
  body{ opacity:1; }
  .hero img{ transform:none; }
}
