@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500&display=swap');

:root{
  --bg:#e5e5e5;
  --surface:#e4e7e5;
  --ink:#141615;
  --ink-soft:#5b615e;
  --ink-faint:#8b908d;
  --line: rgba(20,22,21,0.168);
  --line-strong: rgba(20,22,21,0.336);
  --gap: 24px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Helvetica Neue","Avenir","Kanit",Arial,sans-serif;
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}

/* ---- top bar ---- */
.topbar{
  position:sticky;top:0;z-index:40;
  height:96px;
  display:flex;align-items:flex-start;justify-content:space-between;
  padding:18px var(--gap) 0;
  background:var(--bg);
  border-bottom:0.5px solid var(--line);
}
.wordmark{font-size:16px;font-weight:400;letter-spacing:0.01em;display:flex;align-items:center;}
.wordmark span{color:var(--ink-faint);}
nav.primary{display:flex;gap:22px;font-size:14px;color:var(--ink-soft);}
nav.primary a{display:flex;align-items:center;position:relative;}
nav.primary a:hover{color:var(--ink);}
nav.primary a.active{color:var(--ink);}
.menu-btn{display:none;background:none;border:0;font-size:20px;color:var(--ink);cursor:pointer;align-items:center;}

@media (max-width:720px){
  nav.primary{
    display:none;
    position:fixed;inset:0;top:96px;
    background:var(--bg);
    flex-direction:column;gap:0;
    padding:0;
    z-index:39;
  }
  nav.primary.open{display:flex;}
  nav.primary a{padding:16px var(--gap);border-bottom:0.5px solid var(--line);font-size:15px;}
  .menu-btn{display:flex;}
}

/* ---- placeholder image block (swap for real photos) ---- */
.ph{
  background:
    repeating-linear-gradient(135deg,var(--surface),var(--surface) 12px,var(--bg) 12px,var(--bg) 24px);
  width:100%;
}
.ph-label{
  position:absolute;font-size:11px;color:var(--ink-faint);padding:6px 8px;
}

/* ---- footer ---- */
footer.site{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px var(--gap) 40px;
  font-size:11px;color:var(--ink-faint);
}
footer.site a{color:var(--ink-faint);}
footer.site a:hover{color:var(--ink);}

/* ---- generic section ---- */
.section{padding:0 var(--gap);}
.eyebrow{font-size:12px;color:var(--ink-soft);margin:28px 0 10px;}
.overview-title{text-align:left;padding:72px var(--gap) 48px;font-size:16px;color:var(--ink-soft);}

/* ---- project overview grid (commission / personal landing from home hero) ---- */
.overview-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  column-gap:24px;row-gap:36px;
  padding:0 var(--gap) 60px;
}
.overview-grid .tile{display:block;}
.overview-grid .tile .cover{width:100%;aspect-ratio:4/3;overflow:hidden;}
.overview-grid .tile .cover img,
.overview-grid .tile .cover .ph{width:100%;height:100%;object-fit:cover;display:block;}
.overview-grid .tile-cap{padding:10px 2px 0;}
.overview-grid .tile-title{display:block;font-size:14px;color:var(--ink);}
.overview-grid .tile-sub{display:block;font-size:12px;color:var(--ink-faint);margin-top:2px;}

@media (max-width:720px){
  .overview-grid{grid-template-columns:1fr 1fr;column-gap:14px;row-gap:24px;padding:0 var(--gap) 40px;}
  .overview-grid .tile-cap{padding:8px 2px 0;}
  .overview-grid .tile-title{font-size:12px;}
  .overview-grid .tile-sub{font-size:11px;}
}

/* ---- home hero ---- */
.hero{
  min-height:calc(100vh - 96px);
  display:flex;align-items:center;justify-content:center;
  padding:6vh var(--gap);
}
.hero img{
  max-width:62vw;
  max-height:74vh;
  width:auto;height:auto;
  display:block;
  transition:opacity .6s ease;
}
@media (max-width:900px){
  .hero img{max-width:88vw;max-height:70vh;}
  .hero.orient-portrait{align-items:flex-start;padding-top:2vh;}
  .hero.orient-portrait img{max-width:70vw;max-height:56vh;}
  .hero.orient-landscape{align-items:center;}
}

/* ---- commission list ---- */
.proj-list{border-top:0.5px solid var(--line);}
.proj-row{
  display:flex;justify-content:space-between;align-items:baseline;
  padding:18px 0;border-bottom:0.5px solid var(--line);
  cursor:pointer;
}
.proj-row:hover .proj-name{color:var(--ink-soft);}
.proj-name{font-size:20px;transition:color .15s;}
.proj-meta{font-size:12px;color:var(--ink-faint);white-space:nowrap;margin-left:16px;}

/* ---- project detail: sidebar + scroll ---- */
.detail{display:grid;grid-template-columns:210px 1fr;}
.rail{
  position:sticky;top:96px;align-self:start;
  height:calc(100vh - 96px);
  padding:50px 18px 24px;
  display:flex;flex-direction:column;justify-content:space-between;
  border-right:0.5px solid var(--line);
  overflow-y:auto;
}
.rail-group{margin-bottom:22px;}
.rail-title{font-size:13px;color:var(--ink);margin-bottom:8px;}
.rail-item{
  display:block;font-size:12px;color:var(--ink-faint);
  padding:4px 0 4px 10px;border-left:1px solid transparent;
}
.rail-item:hover{color:var(--ink-soft);}
.rail-item.current{color:var(--ink);border-left-color:var(--ink);}
.rail-foot{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--ink-faint);}
.rail-foot button{background:none;border:0;color:var(--ink-faint);cursor:pointer;font-size:14px;}

.stream{display:flex;flex-direction:column;align-items:flex-start;gap:6px;}
.stream img{display:block;}

/* project meta panel: sits left of the image column, pushes images right */
.content-row{display:flex;align-items:flex-start;}
.meta{
  flex:0 0 420px;width:420px;
  padding:50px 32px 0 0;
  position:sticky;top:96px;align-self:flex-start;
}
.meta .meta-title{font-size:15px;color:var(--ink);margin-bottom:6px;}
.meta .meta-sub{font-size:12px;color:var(--ink-faint);margin-bottom:16px;}
.meta .meta-sub div{margin-bottom:3px;}
.meta .meta-desc{font-size:13px;color:var(--ink-soft);line-height:1.75;max-width:52ch;}
.meta .meta-link{display:none;font-size:13px;color:var(--ink);margin-top:16px;text-decoration:underline;text-underline-offset:3px;}
.meta .meta-link:hover{color:var(--ink-soft);}
.meta .meta-note{display:none;font-size:12px;color:var(--ink-faint);margin-top:14px;line-height:1.6;max-width:52ch;}
.stream-col{flex:1;min-width:0;padding-right:var(--gap);}

@media (max-width:900px){
  .content-row{flex-direction:column;}
  .meta{flex:0 0 auto;width:100%;padding:16px var(--gap) 8px;position:static;}
  .meta .meta-desc,
  .meta .meta-note{max-width:none;}
  .stream-col{padding-right:0;}
}

/* scroll mode: images are width- and height-bound (max 60% wide, fits one
   screen tall) regardless of orientation, so nothing runs past the screen. */
.stream:not(.grid-view) img{
  width:auto;
  max-width:60%;
  max-height:calc(100vh - 180px);
  height:auto;
}

@media (max-width:900px){
  .stream:not(.grid-view) img{max-width:100% !important;max-height:none !important;width:100% !important;height:auto !important;}
}

.view-toggle{
  display:flex;gap:8px;align-items:center;
  padding:14px 0 18px;font-size:12px;color:var(--ink-faint);
  position:sticky;top:96px;z-index:10;
  background:var(--bg);
}
.view-toggle button{
  background:none;border:0;color:var(--ink-faint);cursor:pointer;font-size:12px;padding:0;
}
.view-toggle button.active{color:var(--ink);}

.stream.grid-view{
  display:block;
  width:100%;
  column-count:5;column-gap:12px;
  padding:14px 0 0;
}
.stream.grid-view .ph,
.stream.grid-view img{
  break-inside:avoid;margin-bottom:24px;cursor:pointer;
  width:100%;max-width:none;max-height:none;height:auto;
}
@media (max-width:900px){
  .stream.grid-view{column-count:3;}
}
@media (max-width:480px){
  .stream.grid-view{column-count:2;column-gap:8px;padding:14px 0 0;}
  .stream.grid-view .ph,
  .stream.grid-view img{margin-bottom:16px;}
}

.rail-current{display:none;}
.rail-toggle{background:none;border:0;color:var(--ink);cursor:pointer;font-size:18px;line-height:1;pointer-events:none;}

@media (max-width:720px){
  .detail{display:block;}
  .rail{
    position:sticky;top:96px;height:auto;
    flex-direction:row;justify-content:space-between;align-items:center;
    padding:12px var(--gap);border-right:0;border-bottom:0.5px solid var(--line);
    z-index:30;background:var(--bg);
  }
  .rail-current{
    font-size:12px;color:var(--ink-soft);display:flex;align-items:center;gap:6px;
    width:100%;cursor:pointer;justify-content:space-between;
  }
  .rail-current .dot{width:4px;height:4px;border-radius:50%;background:var(--ink);flex-shrink:0;}
  .rail-current #currentLabel{flex:1;}
  .rail-groups{
    display:none;position:fixed;inset:0;top:136px;background:var(--bg);z-index:29;
    padding:0 var(--gap);overflow-y:auto;
  }
  .rail-groups.open{display:block;}
  .rail-foot{display:none;}
}

/* ---- filters (personal project index) ---- */
.filters{display:flex;gap:18px;padding:20px 0 6px;font-size:13px;}
.filters button{background:none;border:0;color:var(--ink-faint);cursor:pointer;font-size:13px;padding:0;}
.filters button.active{color:var(--ink);}

/* ---- contact ---- */
.contact{
  min-height:calc(100vh - 96px - 60px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;text-align:center;
}
.contact a,.contact span{font-size:15px;}
.contact a:hover{color:var(--ink-soft);}
.contact .label{font-size:11px;color:var(--ink-faint);margin-top:14px;}

/* ---- back to top ---- */
.top-link{position:fixed;left:18px;bottom:18px;font-size:13px;color:var(--ink-faint);z-index:20;}
.top-link:hover{color:var(--ink);}