/* ===== Variables ===== */
:root{
  --bg:#606470; --ink:#F7F7F7; --nav:#323643; --accent:#FF570C;
  --container:min(1200px,92%);
  --card:rgba(255,255,255,.08); --border:rgba(255,255,255,.14);
  --shadow:0 12px 40px rgba(0,0,0,.28);
  --chip-bg:rgba(255,255,255,.12); --chip-ink:var(--ink);
}

/* ===== Base ===== */
.page-projects *{box-sizing:border-box}
.page-projects{
  background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,"Vazirmatn",Tahoma,sans-serif;
  min-height:100vh;
}
.page-projects a{color:inherit;text-decoration:none}

/* ===== Page head ===== */
.page-projects .page-head{
  width:var(--container);
  margin-inline:auto;
  padding:32px 0 16px;
}
.page-projects .breadcrumb{
  font-size:.88rem;opacity:.8;margin-bottom:8px;
  display:flex;align-items:center;gap:6px;
}
.page-projects .breadcrumb .sep{opacity:.5}
.page-projects .page-head h1{
  margin:0;font-size:1.9rem;font-weight:900;color:var(--accent);
}

/* ===== Filter bar ===== */
.page-projects .filter-bar{
  width:var(--container);
  margin-inline:auto;
  padding:0 0 20px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

/* Tabs */
.page-projects .tabs{display:flex;gap:8px;flex-wrap:wrap}
.page-projects .tab{
  border:2px solid var(--border);
  background:var(--card);
  color:var(--ink);
  padding:.55rem 1.2rem;
  border-radius:999px;
  font-weight:800;
  font-size:.95rem;
  cursor:pointer;
  transition:background .18s,border-color .18s,color .18s;
}
.page-projects .tab.active,
.page-projects .tab[aria-selected="true"]{
  background:var(--accent);color:#1b1b1b;border-color:transparent;
}

/* Search + Sort row */
.page-projects .filter-controls{
  display:grid;
  grid-template-columns:1fr auto;
  gap:10px;
  align-items:center;
}
.page-projects .search-box{
  display:flex;align-items:center;gap:10px;
  background:var(--card);border:1px solid var(--border);
  border-radius:14px;padding:10px 14px;
}
.page-projects .search-box input{
  all:unset;flex:1;font-size:.95rem;
}
.page-projects .sort-sel{
  background:var(--card);border:1px solid var(--border);
  color:var(--ink);border-radius:14px;
  padding:10px 14px;font-size:.9rem;cursor:pointer;
  min-width:140px;
}

/* Chips */
.page-projects .chips{display:flex;flex-wrap:wrap;gap:8px}
.page-projects .chip{
  background:var(--chip-bg);color:var(--chip-ink);
  border:2px solid transparent;
  border-radius:999px;padding:.35rem .85rem;
  font-weight:700;font-size:.88rem;cursor:pointer;
  transition:background .18s,border-color .18s,color .18s;
}
.page-projects .chip.active{
  background:transparent;color:var(--ink);border-color:var(--accent);
}

/* ===== Panels ===== */
.page-projects .panels-wrap{
  width:var(--container);
  margin-inline:auto;
}
.page-projects .empty-msg{
  text-align:center;padding:60px 0;opacity:.6;font-size:1.05rem;
}

/* ===== Grid ===== */
.page-projects .proj-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
  padding-bottom:28px;
}

/* ===== Card ===== */
.page-projects .proj-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .22s,box-shadow .22s;
}
.page-projects .proj-card:hover{
  transform:translateY(-5px);
  box-shadow:0 20px 52px rgba(0,0,0,.38);
}

/* Thumbnail */
.page-projects .proj-thumb{
  display:block;
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:#1a1a1a;
  cursor:zoom-in;
}
.page-projects .proj-thumb img{
  width:100%;height:100%;
  object-fit:cover;display:block;
  transition:transform .35s;
}
.page-projects .proj-card:hover .proj-thumb img{transform:scale(1.06)}
.page-projects .proj-overlay{
  position:absolute;inset:0;
  display:grid;place-items:center;
  font-size:1.8rem;
  background:rgba(0,0,0,.38);
  opacity:0;transition:opacity .22s;
}
.page-projects .proj-card:hover .proj-overlay{opacity:1}

/* Card body */
.page-projects .proj-info{
  padding:14px 16px 18px;
  flex:1;display:flex;flex-direction:column;gap:6px;
}
.page-projects .proj-meta{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:6px;font-size:.82rem;opacity:.85;
}
.page-projects .proj-cat{
  background:rgba(255,87,12,.15);
  color:var(--accent);
  border-radius:999px;
  padding:.15rem .6rem;
  font-weight:800;font-size:.78rem;
}
.page-projects .proj-dot{
  width:4px;height:4px;border-radius:50%;
  background:var(--accent);display:inline-block;
}
.page-projects .proj-title{
  margin:0;font-size:1rem;font-weight:800;line-height:1.5;
}
.page-projects .proj-place{
  margin:0;font-size:.85rem;opacity:.75;
}

/* ===== More button ===== */
.page-projects .more-wrap{
  display:flex;justify-content:center;padding:8px 0 40px;
}
.page-projects .more-btn{
  border:2px solid var(--border);background:var(--card);
  color:var(--ink);border-radius:999px;
  padding:.7rem 2rem;font-weight:800;font-size:.95rem;
  cursor:pointer;transition:background .18s,border-color .18s;
}
.page-projects .more-btn:hover{background:var(--accent);color:#1b1b1b;border-color:transparent}

/* ===== Lightbox ===== */
.page-projects .lightbox{
  position:fixed;inset:0;
  background:rgba(0,0,0,.9);
  display:none;place-items:center;
  z-index:200;padding:16px;
}
.page-projects .lightbox.open{display:grid}
.page-projects .lb-frame{
  position:relative;
  max-width:min(1100px,94vw);
  max-height:90vh;
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.page-projects .lb-content{display:flex;align-items:center;justify-content:center}
.page-projects .lb-content img,
.page-projects .lb-content video{
  max-width:100%;max-height:80vh;
  border-radius:12px;display:block;background:#000;
  border:1px solid rgba(255,255,255,.15);
}
.page-projects .lb-cap{
  margin:0;text-align:center;opacity:.85;font-size:.9rem;
  max-width:600px;
}
.page-projects .lb-close,
.page-projects .lb-prev,
.page-projects .lb-next{
  position:absolute;
  background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.25);
  color:#fff;border-radius:10px;
  padding:.5rem .7rem;cursor:pointer;font-size:1rem;
  transition:background .18s;
}
.page-projects .lb-close:hover,
.page-projects .lb-prev:hover,
.page-projects .lb-next:hover{background:var(--accent);color:#1b1b1b;border-color:transparent}
.page-projects .lb-close{top:-44px;inset-inline-end:0}
.page-projects .lb-prev{top:50%;translate:0 -50%;inset-inline-end:calc(100% + 10px)}
.page-projects .lb-next{top:50%;translate:0 -50%;inset-inline-start:calc(100% + 10px)}

/* ===== Responsive — Tablet (≤1024px) ===== */
@media(max-width:1024px){
  .page-projects .proj-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .page-projects .lb-prev{inset-inline-end:auto;inset-inline-start:10px;top:calc(100% + 10px);translate:0 0}
  .page-projects .lb-next{inset-inline-start:auto;inset-inline-end:10px;top:calc(100% + 10px);translate:0 0}
}

/* ===== Responsive — Mobile (≤640px) ===== */
@media(max-width:640px){
  .page-projects .page-head{padding:20px 0 10px}
  .page-projects .page-head h1{font-size:1.5rem}
  .page-projects .filter-controls{grid-template-columns:1fr}
  .page-projects .sort-sel{min-width:unset;width:100%}
  .page-projects .proj-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .page-projects .proj-info{padding:10px 12px 14px}
  .page-projects .proj-title{font-size:.92rem}
}

/* ===== Responsive — Small mobile (≤420px) ===== */
@media(max-width:420px){
  .page-projects .proj-grid{grid-template-columns:1fr;gap:14px}
  .page-projects .proj-thumb{aspect-ratio:16/9}
}

/* ===== Light theme ===== */
html.theme-light{
  --bg:#EFEFEF; --ink:#0F203C; --nav:#232323; --ink-nav:#EFEFEF;
  --shadow:0 8px 28px rgba(0,0,0,.12);
  --card:rgba(0,0,0,.04); --border:rgba(0,0,0,.10);
  --chip-bg:rgba(0,0,0,.07); --chip-ink:#0F203C;
}
html.theme-light .page-projects .sort-sel{color:#0F203C}
html.theme-light .page-projects .search-box input{color:#0F203C}