/* Serhey Morgan — portfolio  ·  static site styles */

:root{
  --paper:#F6F4EE;
  --paper-2:#EFECE2;
  --ink:#1A1916;
  --ink-soft:#3A382F;
  --muted:#79766C;
  --faint:#A9A599;
  --line:#E4E1D7;
  --line-2:#D9D6CC;
  --accent:#C7472D;
  --dark:#16150F;
  --sans:"Schibsted Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --wrap:1440px;
  --gutter:clamp(20px,5vw,72px);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:18px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;}
::selection{background:var(--accent);color:var(--paper);}

.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter);}
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--faint);
  margin:0;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:17px;padding-bottom:17px;}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);display:inline-block;flex:none;transition:transform .4s cubic-bezier(.2,.7,.2,1);}
.brand:hover .dot{transform:scale(1.5);}
.brand .name{font-weight:600;font-size:16px;letter-spacing:-.01em;}
.nav{display:flex;gap:clamp(18px,3vw,34px);}
.nav a{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;color:var(--ink);opacity:.8;transition:opacity .2s;}
.nav a:hover{opacity:.4;}

/* ---------- hero ---------- */
.hero{padding-top:clamp(56px,12vh,148px);padding-bottom:clamp(40px,7vh,84px);}
.hero-title{
  font-family:var(--serif);
  font-weight:420;
  font-size:clamp(58px,12vw,168px);
  line-height:.9;
  letter-spacing:-.025em;
  margin:clamp(30px,5.5vh,56px) 0 0;
}
.hero-title em{font-style:italic;color:var(--accent);}
.hero-lede{
  font-size:clamp(19px,2.3vw,30px);
  line-height:1.34;
  letter-spacing:-.012em;
  max-width:38ch;
  text-wrap:pretty;
  color:var(--ink-soft);
  margin:clamp(32px,5vh,46px) 0 0;
  font-weight:400;
}

/* ---------- work section ---------- */
.work{padding-bottom:clamp(80px,12vh,150px);}
.section-bar{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding-top:22px;
  margin-bottom:clamp(28px,4vh,52px);
}
.section-bar .label{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;}
.section-bar .label span{color:var(--faint);}
.filters{display:flex;flex-wrap:wrap;gap:clamp(14px,2vw,24px);}
.filter{
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  background:none;border:none;border-bottom:1px solid transparent;
  padding:6px 0 9px;color:var(--faint);cursor:pointer;
  transition:color .2s,border-color .2s;
}
.filter:hover{color:var(--ink);}
.filter.is-active{color:var(--ink);border-color:var(--accent);}

.grid{
  display:grid;
  gap:clamp(26px,3.4vw,60px) clamp(22px,3.2vw,56px);
  grid-template-columns:repeat(auto-fill,minmax(min(100%,560px),1fr));
}
.card{display:block;text-decoration:none;color:inherit;}
.card.is-hidden{display:none;}
.card-media{position:relative;overflow:hidden;aspect-ratio:3/2;border:1px solid var(--line);background:var(--paper-2);}
.card-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .8s cubic-bezier(.2,.7,.2,1);}
.card:hover .card-media img{transform:scale(1.045);}
.card-foot{display:flex;justify-content:space-between;gap:16px;margin-top:16px;align-items:flex-start;}
.card-index{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--faint);transition:color .25s;}
.card:hover .card-index{color:var(--accent);}
.card-title{
  font-size:20px;font-weight:600;letter-spacing:-.014em;margin:5px 0 0;
  display:inline;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-size:0% 1.5px;background-position:0 100%;background-repeat:no-repeat;
  transition:background-size .4s cubic-bezier(.2,.7,.2,1);
  padding-bottom:2px;
}
.card:hover .card-title{background-size:100% 1.5px;}
.card-role{font-size:13px;color:var(--muted);margin:6px 0 0;}
.card-cat{font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.06em;white-space:nowrap;padding-top:3px;}

/* ---------- about ---------- */
.about{border-top:1px solid var(--line);padding-top:clamp(64px,11vh,128px);padding-bottom:clamp(64px,11vh,128px);}
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(28px,5vw,80px);}
.about-body{grid-column:span 2;min-width:0;}
.about-lead{font-family:var(--serif);font-weight:400;font-size:clamp(22px,2.7vw,38px);line-height:1.32;letter-spacing:-.01em;margin:0;color:var(--ink);}
.about-lead em{font-style:italic;color:var(--accent);}
.about-body p.sub{font-size:clamp(16px,1.7vw,19px);line-height:1.6;max-width:54ch;margin:26px 0 0;color:var(--ink-soft);}
.tags{margin-top:36px;display:flex;flex-wrap:wrap;gap:10px;}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);border:1px solid var(--line-2);padding:8px 13px;border-radius:999px;}

/* ---------- contact / footer ---------- */
.contact{background:var(--dark);color:var(--paper);padding-top:clamp(72px,13vh,150px);padding-bottom:clamp(48px,8vh,90px);}
.contact .eyebrow{color:#807D70;}
.contact h2{font-family:var(--serif);font-weight:430;font-size:clamp(40px,7vw,104px);line-height:.98;letter-spacing:-.03em;margin:20px 0 0;max-width:14ch;}
.contact h2 .stop{color:var(--accent);}
.contact-email{
  display:inline-block;margin-top:38px;
  font-family:var(--serif);font-size:clamp(22px,3.4vw,44px);letter-spacing:-.02em;
  color:var(--paper);text-decoration:none;
  border-bottom:1px solid rgba(246,244,238,.28);padding-bottom:5px;
  transition:border-color .25s;
}
.contact-email:hover{border-color:var(--paper);}
.socials{margin-top:56px;display:flex;flex-wrap:wrap;gap:30px;}
.socials a{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#CFCCBF;text-decoration:none;transition:color .2s;}
.socials a:hover{color:var(--paper);}
.colophon{margin-top:64px;border-top:1px solid rgba(246,244,238,.12);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:#807D70;}
.colophon a{color:#807D70;text-decoration:none;}
.colophon a:hover{color:var(--paper);}

/* ---------- project page ---------- */
.project{padding-top:clamp(28px,5vh,48px);}
.back{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;color:var(--muted);transition:color .2s,gap .25s;}
.back:hover{color:var(--ink);gap:12px;}
.project-head{padding-top:clamp(26px,5vh,46px);max-width:1180px;}
.project-head h1{font-family:var(--serif);font-weight:440;font-size:clamp(38px,6.4vw,86px);line-height:1.0;letter-spacing:-.03em;margin:14px 0 0;}
.project-summary{font-size:clamp(18px,2vw,24px);line-height:1.5;max-width:60ch;margin:28px 0 0;color:var(--ink-soft);}
.meta{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:22px 30px;
  margin:clamp(36px,5vh,56px) 0 0;border-top:1px solid var(--line);padding-top:26px;
}
.meta dt{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin:0 0 7px;}
.meta dd{margin:0;font-size:15px;color:var(--ink-soft);}
.meta dd .li{display:block;}

.figures{margin-top:clamp(44px,7vh,90px);display:flex;flex-direction:column;gap:clamp(22px,3vw,40px);}
.figures figure{margin:0;}
.figures img{width:100%;border:1px solid var(--line);background:var(--paper-2);}
.figures figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.05em;color:var(--faint);margin-top:11px;}

/* prev / next pager */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:clamp(64px,10vh,120px);border-top:1px solid var(--line);}
.pager a{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;padding:30px 0;transition:opacity .2s;}
.pager a:hover{opacity:.55;}
.pager .dir{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);}
.pager .pt{font-family:var(--serif);font-size:clamp(20px,2.4vw,30px);letter-spacing:-.02em;line-height:1.05;}
.pager .next{text-align:right;align-items:flex-end;border-left:1px solid var(--line);padding-left:26px;}
.pager .prev{padding-right:26px;}
.pager .empty{pointer-events:none;}

/* ---------- motion ---------- */
/* Entrance reveal intentionally removed for reliability — content is
   always visible, never dependent on JS or animation playback. Hover
   transitions (cards, links) remain and are safe. */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}
}

/* ---------- responsive ---------- */
@media (max-width:680px){
  body{font-size:17px;}
  .nav{gap:18px;}
  .meta{grid-template-columns:repeat(2,1fr);}
  .pager{grid-template-columns:1fr;}
  .pager .next{border-left:none;border-top:1px solid var(--line);padding-left:0;text-align:left;align-items:flex-start;}
  .pager .prev{padding-right:0;}
}


/* ---------- mobile nav (hamburger) ---------- */
.nav-toggle{display:none;}
@media (max-width:680px){
  .site-header .wrap{position:relative;}
  .nav-toggle{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:42px;height:42px;margin:-6px -6px -6px 0;padding:0;
    background:none;border:none;cursor:pointer;flex:none;
  }
  .nav-toggle span{display:block;width:22px;height:1.5px;background:var(--ink);transition:transform .3s cubic-bezier(.2,.7,.2,1),opacity .2s;}
  .nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    padding:0 var(--gutter);
    max-height:0;overflow:hidden;
    transition:max-height .38s cubic-bezier(.2,.7,.2,1);
  }
  .site-header.is-open .nav{max-height:70vh;}
  .nav a{padding:17px 0;font-size:14px;opacity:.9;border-top:1px solid var(--line);}
  .nav a:first-child{border-top:none;}
  .site-header.is-open .nav-toggle span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
  .site-header.is-open .nav-toggle span:nth-child(2){opacity:0;}
  .site-header.is-open .nav-toggle span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
}