/* Daniel Kovalenko — minimalist portfolio (inspired by clean Squarespace-style layouts) */

:root{
  --bg: #ffffff;
  --fg: #111111;
  --muted: #6b6b6b;
  --line: #e9e9e9;

  /* Match Pablo metrics (desktop 1440-ish) */
  --pad: 45px;        /* side padding ~ like Pablo (measured) */
  --header-h: 48px;   /* header height like Pablo */

  --trans: 180ms cubic-bezier(.2,.8,.2,1);
  --font: Helvetica, Arial, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family: var(--font);
  letter-spacing: 0.01em;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:none; }

img{ max-width:100%; display:block; }

/* Full-width container (content padding controlled by --pad) */
.container{
  width:100%;
  max-width: none;
  margin: 0;
  padding: 0 var(--pad);
}

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left: var(--pad);
  top: 12px;
  width:auto; height:auto;
  padding: 10px 12px;
  background:#fff;
  border:1px solid var(--line);
  z-index: 9999;
}

/* Header */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: none; /* remove divider line */
}

.header-inner{
  height: var(--header-h);
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 18px;
}

.brand{
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav{
  display:flex;
  align-items:center;
  gap: 18px;
}

.nav a{
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg);
  opacity: 0.86;
  padding: 8px 4px;
  border-bottom: 1px solid transparent;
  transition: opacity var(--trans), border-color var(--trans);
}
.nav a:hover{ opacity: 1; }
.nav a[aria-current="page"]{
  opacity: 1;
  border-bottom-color: rgba(0,0,0,0.22);
}

.nav-toggle{
  display:none;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(0,0,0,0.12);
  background: transparent;
  border-radius: 999px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition: transform var(--trans), border-color var(--trans);
}
.nav-toggle:hover{ border-color: rgba(0,0,0,0.22); }
.nav-toggle:active{ transform: scale(0.98); }

.burger{
  width: 16px;
  height: 10px;
  position: relative;
}
.burger span{
  position:absolute;
  left:0;
  right:0;
  height: 1px;
  background: var(--fg);
  top:0;
  transition: transform var(--trans), top var(--trans), opacity var(--trans);
}
.burger span:nth-child(2){ top: 4.5px; }
.burger span:nth-child(3){ top: 9px; }

body.menu-open .burger span:nth-child(1){ top: 4.5px; transform: rotate(45deg); }
body.menu-open .burger span:nth-child(2){ opacity:0; }
body.menu-open .burger span:nth-child(3){ top: 4.5px; transform: rotate(-45deg); }

.menu-overlay{
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  z-index: 60;
  display:none;
}
body.menu-open .menu-overlay{ display:block; }

.menu-panel{
  height: 100%;
  display:flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 22px;
}
.menu-panel a{
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.9;
  padding: 8px 10px;
}
.menu-panel a:hover{ opacity: 1; }

main{
  padding: 28px 0 60px;
}

.page-title{
  margin: 12px 0 26px;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Portfolio grid (2 columns, gap matches Pablo measurement) */
.grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 38px;
}

.tile{
  position: relative;
  overflow: hidden;
  background: #f5f5f5;
  aspect-ratio: 2 / 3;
}
.tile img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 260ms cubic-bezier(.2,.8,.2,1);
}
.tile:hover img{ transform: scale(1.012); }

.tile .caption{
  position:absolute;
  inset:auto 0 0 0;
  padding: 10px 12px;
  background: linear-gradient(to top, rgba(0,0,0,0.35), rgba(0,0,0,0));
  color: #fff;
  opacity: 0;
  transition: opacity var(--trans);
  font-size: 12px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.tile:hover .caption{ opacity: 1; }

/* Series header */
.series-header{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  margin-bottom: 18px;
}
.series-header h1{
  margin:0;
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
}
.back-link{
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display:inline-flex;
  align-items:center;
  gap: 8px;
}
.back-link:hover{ color: var(--fg); }

/* Series grid (match portfolio spacing) */
.series-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 38px;
}
.series-grid button{
  border:0;
  padding:0;
  background: transparent;
  cursor: zoom-in;
}
.series-grid img{
  width:100%;
  height:auto;
}

/* Lightbox */
.lightbox{
  position: fixed;
  inset:0;
  background: rgba(0,0,0,0.92);
  z-index: 80;
  display:none;
}
.lightbox.open{ display:block; }
.lightbox-inner{
  height: 100%;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 28px;
}
.lightbox-img{
  max-width: 94vw;
  max-height: 88vh;
  object-fit: contain;
}
.lightbox-ui{
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.lb-btn{
  pointer-events: all;
  position:absolute;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(0,0,0,0.25);
  color:#fff;
  border-radius: 999px;
  width: 44px;
  height: 44px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition: transform var(--trans), background var(--trans), border-color var(--trans);
}
.lb-btn:hover{ background: rgba(0,0,0,0.45); border-color: rgba(255,255,255,0.36); }
.lb-btn:active{ transform: scale(0.98); }

.lb-close{ top: 16px; right: 16px; }
.lb-prev{ left: 16px; top: 50%; transform: translateY(-50%); }
.lb-next{ right: 16px; top: 50%; transform: translateY(-50%); }

.lb-meta{
  pointer-events:none;
  position:absolute;
  left: 16px;
  bottom: 14px;
  color: rgba(255,255,255,0.72);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Motion embeds */
.motion-list{
  display:flex;
  flex-direction: column;
  gap: 28px;
}
.motion-item h2{
  margin:0 0 8px;
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
}
.motion-item p{
  margin:0 0 12px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 72ch;
}
.embed{
  width: 100%;
  aspect-ratio: 16/9;
  background:#000;
}
.embed iframe{
  width:100%;
  height:100%;
  border:0;
}

/* Contact */
.contact-block{
  max-width: 70ch;
  line-height: 1.7;
}
.contact-row{
  margin: 0 0 10px;
}
.contact-row .label{
  display:inline-block;
  width: 92px;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 12px;
}
.contact-row a{
  border-bottom: 1px solid rgba(0,0,0,0.18);
}
.contact-row a:hover{
  border-bottom-color: rgba(0,0,0,0.45);
}

/* Footer */
.site-footer{
  border-top: 1px solid rgba(0,0,0,0.08);
  padding: 22px 0 34px;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-left{
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.footer-right{
  display:flex;
  gap: 16px;
}
.footer-right a{
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg);
  opacity: 0.86;
}
.footer-right a:hover{ opacity: 1; }

/* Tablet */
@media (max-width: 1024px){
  :root{ --pad: 16px; }
  .grid, .series-grid{ gap: 18px; }
}

/* Mobile: keep 2 columns like Pablo */
@media (max-width: 680px){
  :root{ --pad: 12px; --header-h: 62px; }
  .nav{ display:none; }
  .nav-toggle{ display:flex; }
  .grid, .series-grid{ grid-template-columns: repeat(2, 1fr); gap: 12px; }
  main{ padding-top: 22px; }
  .lb-prev, .lb-next{ display:none; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; scroll-behavior: auto !important; }
}

/* Hide page title on Portfolio page */
body.page-portfolio .page-title{ display:none; }