/* ==========================================================================
   DMYTRO RYBAK — digital gallery. Design tokens + shared styles.
   ========================================================================== */
:root{
  --bg:#f5f1e8;
  --bg-warm:#efe9dc;
  --ink:#1c1917;
  --ink-soft:#4a4640;
  --rust:#b8481f;
  --rust-soft:#c96a44;
  --indigo:#232c3d;
  --indigo-soft:#3a4358;
  --gold:#b3872f;
  --line:rgba(28,25,23,0.14);
  --line-dark:rgba(245,241,232,0.18);
  --radius:2px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;background:none;border:none;color:inherit;}
.serif{font-family:'Fraunces',serif;}
.mono{font-family:'IBM Plex Mono',monospace;}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:11px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--ink-soft);
}
.wrap{max-width:1400px;margin:0 auto;padding:0 clamp(20px,4vw,64px);}
:focus-visible{outline:2px solid var(--rust);outline-offset:3px;}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;transition-duration:0.001ms !important;scroll-behavior:auto !important;}
}

/* ---------- NAV ---------- */
header.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:200;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px clamp(20px,4vw,64px);
  transition:background .4s ease, padding .4s ease, border-color .4s ease, color .3s ease;
  border-bottom:1px solid transparent;
  color:#f5f1e8; /* default: light text for hero image on the homepage */
}
header.site-nav::before{
  content:'';position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg, rgba(15,13,11,0.55) 0%, rgba(15,13,11,0) 100%);
  opacity:1;transition:opacity .4s ease;
}
header.site-nav.scrolled,
body.subpage header.site-nav{
  background:rgba(245,241,232,0.94);
  backdrop-filter:blur(10px);
  padding:16px clamp(20px,4vw,64px);
  border-bottom:1px solid var(--line);
  color:var(--ink);
}
header.site-nav.scrolled::before,
body.subpage header.site-nav::before{opacity:0;}
.brand{
  font-family:'Fraunces',serif;
  font-weight:500;
  font-size:19px;
  letter-spacing:0.02em;
  color:inherit;
}
.brand span{color:var(--rust);}
nav.primary{display:flex;gap:30px;align-items:center;}
nav.primary a{
  font-family:'IBM Plex Mono',monospace;
  font-size:11.5px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  position:relative;
  padding:6px 0;
  color:inherit;
}
nav.primary a::after{
  content:'';position:absolute;left:0;bottom:2px;width:0;height:1px;background:var(--rust);
  transition:width .3s ease;
}
nav.primary a:hover::after,nav.primary a.active::after{width:100%;}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:26px;height:26px;justify-content:center;}
.nav-toggle span{height:1.5px;background:currentColor;display:block;transition:transform .3s ease, opacity .3s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

@media (max-width:860px){
  nav.primary{
    position:fixed;inset:0;top:0;background:var(--bg);
    flex-direction:column;justify-content:center;align-items:flex-start;gap:6px;
    padding:0 28px;
    transform:translateY(-100%);transition:transform .5s cubic-bezier(.7,0,.2,1);z-index:150;
    color:var(--ink); /* mobile menu always has a solid light background, so force dark text */
  }
  nav.primary.open{transform:translateY(0);}
  nav.primary a{font-size:20px;padding:14px 0;width:100%;font-family:'Fraunces',serif;letter-spacing:0;text-transform:none;color:var(--ink);}
  nav.primary a:last-child{font-family:'IBM Plex Mono',monospace;font-size:12px;text-transform:uppercase;color:var(--rust);margin-top:10px;}
  .nav-toggle{display:flex;z-index:210;}
  .nav-toggle.open{color:var(--ink);}
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.12em;text-transform:uppercase;
  padding:14px 26px;border:1px solid currentColor;border-radius:var(--radius);
  transition:background .3s ease, color .3s ease;
}
.btn-light{color:#f5f1e8;}
.btn-light:hover{background:#f5f1e8;color:var(--ink);}
.btn-dark{color:var(--ink);}
.btn-dark:hover{background:var(--ink);color:var(--bg);}
.btn-rust{background:var(--rust);border-color:var(--rust);color:#fff;}
.btn-rust:hover{background:#963813;border-color:#963813;}
.btn-block{width:100%;justify-content:center;}

/* ---------- HERO (home) ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;}
.hero-media{position:absolute;inset:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);animation:heroZoom 16s ease-out forwards;}
@keyframes heroZoom{to{transform:scale(1);}}
.hero-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(28,25,23,0.05) 0%, rgba(20,17,15,0.15) 55%, rgba(15,13,11,0.72) 100%);
}
.hero-content{
  position:relative;z-index:2;width:100%;
  padding:0 clamp(20px,4vw,64px) clamp(40px,7vh,64px);
  display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;
  color:#f5f1e8;
}
.hero-title{
  font-family:'Fraunces',serif;font-weight:500;font-size:clamp(48px,10vw,148px);
  line-height:0.86;letter-spacing:-0.01em;
  opacity:0;transform:translateY(24px);animation:riseIn 1s ease .3s forwards;
}
.hero-sub{
  font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:0.12em;text-transform:uppercase;
  margin-top:14px;opacity:0;transform:translateY(16px);animation:riseIn 1s ease .6s forwards;
  color:rgba(245,241,232,0.85);
}
.hero-cta-block{opacity:0;transform:translateY(16px);animation:riseIn 1s ease .9s forwards;}
@keyframes riseIn{to{opacity:1;transform:translateY(0);}}
.scroll-cue{
  position:absolute;right:clamp(20px,4vw,64px);top:50%;
  writing-mode:vertical-rl;transform:translateY(-50%) rotate(180deg);
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.18em;text-transform:uppercase;
  color:rgba(245,241,232,0.8);z-index:2;display:flex;align-items:center;gap:12px;
}
.scroll-cue .line{width:1px;height:60px;background:rgba(245,241,232,0.5);position:relative;overflow:hidden;}
.scroll-cue .line::after{content:'';position:absolute;top:-60px;left:0;width:100%;height:60px;background:#fff;animation:scrollLine 2.2s ease-in-out infinite;}
@keyframes scrollLine{50%{top:100%;}100%{top:100%;}}
@media (max-width:640px){ .scroll-cue{display:none;} }

/* ---------- PAGE HERO (sub pages) ---------- */
.page-hero{padding:170px clamp(20px,4vw,64px) 60px;}
.page-hero .eyebrow{margin-bottom:14px;}
.page-hero h1{font-family:'Fraunces',serif;font-weight:400;font-size:clamp(38px,7vw,84px);letter-spacing:-0.01em;}
.breadcrumb{
  position:fixed;top:0;left:0;z-index:190;
  padding:90px clamp(20px,4vw,64px) 0;
  font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ink-soft);letter-spacing:.04em;
  display:none;
}

/* ---------- SECTION SHELL ---------- */
section{position:relative;}
.section-pad{padding:100px 0;}
@media (max-width:640px){.section-pad{padding:70px 0;}}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:56px;flex-wrap:wrap;}
.section-title{font-family:'Fraunces',serif;font-weight:400;font-size:clamp(34px,4.6vw,64px);letter-spacing:-0.01em;}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease, transform .8s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- WORKS FILTER + MASONRY ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;}
.filter-btn{
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;
  padding:9px 16px;border:1px solid var(--line);border-radius:20px;color:var(--ink-soft);
  transition:all .25s ease;
}
.filter-btn:hover{border-color:var(--ink);color:var(--ink);}
.filter-btn.active{background:var(--ink);border-color:var(--ink);color:var(--bg);}
.masonry{columns:4 280px;column-gap:22px;}
@media (max-width:1100px){.masonry{columns:3 240px;}}
@media (max-width:720px){.masonry{columns:2 160px;column-gap:12px;}}
@media (max-width:480px){.masonry{columns:1;}}
.art-card{break-inside:avoid;margin-bottom:22px;position:relative;background:var(--bg-warm);}
@media (max-width:720px){.art-card{margin-bottom:12px;}}
.art-card .img-box{position:relative;overflow:hidden;display:block;}
.art-card img{width:100%;height:auto;display:block;transition:transform .8s cubic-bezier(.2,.7,.2,1);}
.art-card:hover img{transform:scale(1.045);}
.art-tag{
  position:absolute;left:14px;bottom:14px;background:var(--bg);border:1px solid var(--ink);
  padding:8px 12px;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.06em;
  transform:rotate(-1.4deg) translateY(10px);opacity:0;transition:all .35s ease;
  box-shadow:3px 3px 0 rgba(28,25,23,0.12);max-width:calc(100% - 28px);
}
.art-card:hover .art-tag{opacity:1;transform:rotate(-1.4deg) translateY(0);}
@media (hover:none){ .art-tag{opacity:1;transform:rotate(-1.4deg) translateY(0);position:static;box-shadow:none;border:none;border-top:1px solid var(--line);padding:10px 2px 0;} }
.art-tag .t-title{display:block;font-family:'Fraunces',serif;font-size:13px;margin-bottom:3px;font-style:italic;}
.art-tag .t-meta{display:flex;gap:8px;color:var(--ink-soft);flex-wrap:wrap;}
.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:5px;vertical-align:middle;}
.status-available .status-dot{background:var(--rust);}
.status-sold .status-dot{background:var(--ink-soft);}

/* ---------- AVAILABLE WORKS (dark) ---------- */
.avail-section{background:var(--indigo);color:#efe9dc;}
.avail-section .section-title{color:#f5f1e8;}
.avail-section .eyebrow{color:rgba(239,233,220,0.6);}
.avail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:2px;background:var(--line-dark);}
.avail-card{background:var(--indigo);}
.avail-card .img-box{overflow:hidden;aspect-ratio:4/5;display:block;}
.avail-card img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease;}
.avail-card:hover img{transform:scale(1.06);}
.avail-info{padding:20px 22px 26px;}
.avail-info .a-title{font-family:'Fraunces',serif;font-style:italic;font-size:19px;margin-bottom:8px;}
.avail-info .a-meta{font-family:'IBM Plex Mono',monospace;font-size:11px;color:rgba(239,233,220,0.55);letter-spacing:.04em;margin-bottom:8px;}
.avail-info .a-price{font-family:'Fraunces',serif;font-size:17px;color:var(--gold);margin-bottom:16px;}
.avail-info .a-cta{
  display:inline-flex;align-items:center;gap:8px;font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:0.1em;text-transform:uppercase;color:var(--gold);border-bottom:1px solid var(--gold);padding-bottom:4px;
  transition:gap .25s ease;
}
.avail-info .a-cta:hover{gap:14px;}
.empty-note{padding:50px 4px;font-family:'Fraunces',serif;font-style:italic;color:rgba(239,233,220,0.6);grid-column:1/-1;}

/* ---------- ARTWORK DETAIL PAGE ---------- */
.artwork-layout{
  display:grid;grid-template-columns:1.5fr 1fr;gap:70px;align-items:start;
  padding:150px clamp(20px,4vw,64px) 40px;max-width:1500px;margin:0 auto;
}
@media (max-width:960px){.artwork-layout{grid-template-columns:1fr;gap:36px;padding-top:120px;}}
.artwork-media img{width:100%;border:1px solid var(--line);}
.artwork-media .thumbs{display:flex;gap:10px;margin-top:14px;}
.artwork-media .thumbs img{width:70px;height:70px;object-fit:cover;opacity:.55;border:1px solid var(--line);cursor:pointer;transition:opacity .2s;}
.artwork-media .thumbs img:hover{opacity:1;}
.artwork-info .a-cat{margin-bottom:16px;}
.artwork-info h1{
  font-family:'Fraunces',serif;font-style:italic;font-weight:400;
  font-size:clamp(28px,3.4vw,42px);line-height:1.15;margin-bottom:22px;
}
.spec-table{border-top:1px solid var(--line);margin-bottom:28px;}
.spec-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);}
.spec-row .spec-label{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);}
.spec-row .spec-value{font-size:15px;}
.spec-row .spec-value.placeholder{color:var(--ink-soft);font-style:italic;}
.price-block{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:20px 0;border-bottom:1px solid var(--line);margin-bottom:26px;flex-wrap:wrap;
}
.price-block .price{font-family:'Fraunces',serif;font-size:30px;}
.price-block .price.on-request{font-size:16px;font-style:italic;color:var(--ink-soft);}
.artwork-desc{color:var(--ink-soft);font-size:15.5px;line-height:1.75;margin-bottom:30px;}
.artwork-desc .placeholder-hint{display:block;margin-top:8px;font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--rust-soft);}
.artwork-nav{
  display:flex;justify-content:space-between;padding:26px clamp(20px,4vw,64px) 80px;max-width:1500px;margin:0 auto;
  border-top:1px solid var(--line);margin-top:20px;
}
.artwork-nav a{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;display:flex;align-items:center;gap:8px;}
@media (max-width:520px){ .artwork-nav{flex-direction:column;gap:14px;padding-top:26px;} }

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:70px;align-items:center;}
@media (max-width:900px){.about-grid{grid-template-columns:1fr;gap:40px;}}
.about-portrait{position:relative;}
.about-portrait img{width:100%;filter:grayscale(1) contrast(1.05);}
.about-portrait::before{content:'';position:absolute;top:22px;left:22px;right:-22px;bottom:-22px;border:1px solid var(--rust);z-index:-1;}
@media (max-width:600px){ .about-portrait::before{top:14px;left:14px;right:-14px;bottom:-14px;} }
.about-text p{max-width:52ch;color:var(--ink-soft);margin-bottom:20px;font-size:16.5px;}
.about-text .drop{font-family:'Fraunces',serif;font-style:italic;font-size:26px;line-height:1.5;color:var(--ink);margin-bottom:26px;max-width:20ch;}
.edu-list{margin-top:32px;border-top:1px solid var(--line);padding-top:24px;}
.edu-item{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);}
@media (max-width:480px){.edu-item{grid-template-columns:1fr;gap:4px;}}
.edu-item .yr{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--rust);}
.edu-item .desc{font-size:14.5px;color:var(--ink-soft);}

/* ---------- PROCESS ---------- */
.process-strip{display:grid;grid-template-columns:1.3fr 1fr;gap:20px;}
@media (max-width:800px){.process-strip{grid-template-columns:1fr;}}
.process-strip img{width:100%;height:100%;object-fit:cover;}
.process-strip .p-tall{aspect-ratio:4/5;}
.process-strip .p-wide{aspect-ratio:16/11;}
.process-cap{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ink-soft);margin-top:10px;letter-spacing:.04em;}

/* ---------- EXHIBITIONS ---------- */
.exh-row{display:grid;grid-template-columns:110px 1fr 220px;gap:24px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line);}
.exh-row .exh-year{font-family:'Fraunces',serif;font-size:24px;color:var(--rust);}
.exh-row .exh-name{font-size:17px;}
.exh-row .exh-loc{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ink-soft);text-align:right;}
@media (max-width:640px){ .exh-row{grid-template-columns:1fr;gap:6px;} .exh-row .exh-loc{text-align:left;} }
.exh-empty{padding:36px 0;color:var(--ink-soft);font-style:italic;font-family:'Fraunces',serif;}

/* ---------- CONTACT ---------- */
.contact-section{background:var(--bg-warm);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;gap:50px;}}
.contact-links a{display:flex;align-items:center;justify-content:space-between;padding:20px 0;border-bottom:1px solid var(--line);font-size:16px;}
.contact-links a .arrow{font-family:'IBM Plex Mono',monospace;transition:transform .25s ease;}
.contact-links a:hover .arrow{transform:translateX(6px);}
.field{margin-bottom:20px;}
.field label{display:block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:8px;color:var(--ink-soft);}
.field input,.field textarea,.field select{
  width:100%;background:transparent;border:none;border-bottom:1px solid var(--line);
  padding:10px 2px;font-family:'Inter',sans-serif;font-size:16px;color:var(--ink);
  transition:border-color .25s ease;
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--rust);outline:none;}
.field textarea{resize:vertical;min-height:90px;}

footer{padding:50px 0 34px;border-top:1px solid var(--line);}
.foot-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
.foot-row .mono{font-size:11px;color:var(--ink-soft);letter-spacing:.06em;}

/* ---------- Touch target comfort on mobile ---------- */
@media (max-width:600px){
  .btn{padding:15px 22px;width:100%;justify-content:center;}
  .hero-content{align-items:flex-start;flex-direction:column;}
  .hero-cta-block{width:100%;}
  .hero-cta-block .btn{width:auto;}
  .section-head{margin-bottom:36px;}
}