/* Local Persian fonts (WOFF2) */
@font-face{
  font-family:"Vazirmatn";
  src:url("/assets/fonts/Vazirmatn[wght].woff2") format("woff2");
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"YekanLocal";
  src:url("/assets/fonts/Yekan.woff2") format("woff2");
  font-weight:400;
  font-style:normal;
  font-display:swap;
}

:root{
  --bg:#f6f8fb;
  --text:#0f172a;
  --muted:#475569;
  --brand:#0A7B56;
  --brand2:#12a06f;
  --card:#ffffff;
  --border:rgba(15,23,42,.10);
  --shadow:0 10px 30px rgba(2,20,32,.10);
  --radius:18px;
  --max:1140px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(900px 480px at 10% -10%, rgba(18,160,111,.12), transparent 60%),
    radial-gradient(800px 520px at 110% 10%, rgba(10,123,86,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.95;
  overflow-x:hidden;
  font-family: "Vazirmatn", Tahoma, "Segoe UI", system-ui, sans-serif;
}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand2)}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max);margin-inline:auto;padding:0 18px}
.header{
  position:sticky;top:0;z-index:1000;
  background:rgba(246,248,251,.85);
  backdrop-filter:blur(14px) saturate(180%);
  border-bottom:1px solid var(--border);
}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:900}
.brand img{width:34px;height:34px;border-radius:12px}
.brand span{color:#0b2d1f}
.nav{display:flex;gap:8px;flex-wrap:wrap}
.nav a{font-weight:850;color:#0b2d1f;padding:9px 12px;border-radius:12px}
.nav a:hover{background:rgba(18,160,111,.10)}
.nav a.active{background:rgba(18,160,111,.10);border:1px solid rgba(18,160,111,.18)}
.controls{display:flex;gap:10px;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:10px 14px;border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.85);
  box-shadow:0 6px 16px rgba(2,20,32,.08);
  color:#0b2d1f;font-weight:900;
}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-color:transparent}
.btn:hover{border-color:rgba(18,160,111,.25)}
.hamburger{display:none}
.mobile-drawer{position:fixed;inset:0;z-index:2000;background:rgba(2,20,32,.45);display:none}
.mobile-drawer.open{display:block}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(420px,92vw);
  background:rgba(255,255,255,.92);
  border-left:1px solid var(--border);
  backdrop-filter:blur(14px) saturate(180%);
  box-shadow:var(--shadow);
  padding:16px;
}
.drawer-panel a{display:block;padding:10px 12px;border-radius:12px;font-weight:900;color:#0b2d1f}
.drawer-panel a:hover{background:rgba(18,160,111,.10)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.main{padding:22px 0 44px}
.hero{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.hero .banner img{width:100%;height:auto}
.hero .content{padding:16px 18px 18px}
.hero h1{margin:6px 0 0;font-size:clamp(1.55rem,1.2rem + 1.7vw,2.3rem);line-height:1.35}
.lead{color:var(--muted);margin:10px 0 0;font-size:clamp(1.02rem,.98rem + .35vw,1.15rem)}
.grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;margin-top:14px}
@media(max-width:920px){.grid{grid-template-columns:minmax(0,1fr)}}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:0 6px 18px rgba(2,20,32,.06);
}
.card .inner{padding:16px 18px}
.section{margin-top:16px}
.section h2{margin:0 0 10px;font-size:clamp(1.12rem,1rem + .7vw,1.5rem)}
.note{
  background:rgba(15,23,42,.04);
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px 14px;
  color:#253047;
}
.kpis{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.kpi{background:rgba(18,160,111,.10);border:1px solid rgba(18,160,111,.18);border-radius:14px;padding:8px 12px;font-weight:900;color:#0b2d1f}
code,kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Conolas,Consolas,"Liberation Mono","Courier New",monospace}
pre{
  background:linear-gradient(180deg,#0b1220,#0a1326);
  color:#eaf0ff;
  padding:12px 14px;
  border-radius:14px;
  overflow:auto;
  margin:10px 0 0;
}
.copyline{display:flex;gap:10px;align-items:stretch;flex-wrap:wrap;margin-top:10px}
.copyline pre{flex:1;min-width:min(100%,520px)}
.copyline button{white-space:nowrap}
.breadcrumb{color:var(--muted);font-size:.95rem}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.footer{
  border-top:1px solid var(--border);
  background:rgba(255,255,255,.75);
  backdrop-filter:blur(14px) saturate(180%);
}
.footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:16px 0}
.small{margin:0;color:var(--muted);font-size:.95rem}
.figure{border-radius:16px;overflow:hidden;border:1px solid var(--border);background:#fff;box-shadow:0 6px 18px rgba(2,20,32,.06)}
.figure figcaption{padding:10px 12px;color:var(--muted);font-size:.95rem}
@media(max-width:920px){
  .nav{display:none}
  .hamburger{display:inline-flex}
}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(10,123,86,.14);border-radius:12px}

h1,h2,h3,.brand span,.nav a{font-family:"YekanLocal","Vazirmatn",Tahoma,sans-serif;}


/* SEO keyword chips (visible, small, user-friendly) */
.seo-box{margin-top:14px}
.seo-details{border:1px dashed rgba(15,23,42,.18); border-radius:16px; padding:12px 14px; background:rgba(255,255,255,.55)}
.seo-details > summary{
  cursor:pointer; font-weight:800; font-size:.95rem; color:var(--text);
  list-style:none;
}
.seo-details > summary::-webkit-details-marker{display:none}
.seo-details > summary:after{
  content:"▾"; display:inline-block; margin-inline-start:8px; color:var(--muted); transform:translateY(-1px);
}
.seo-details[open] > summary:after{content:"▴"}
.keywords{display:flex; flex-wrap:wrap; gap:8px; margin-top:12px}
.keyword{
  display:inline-flex; align-items:center;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(15,23,42,.14);
  background:rgba(255,255,255,.75);
  color:rgba(15,23,42,.72);
  font-size:.78rem;
  line-height:1.2;
  white-space:nowrap;
}
@media (max-width:480px){
  .keyword{font-size:.76rem; padding:6px 9px}
}

/* Image lightbox (fullscreen on click/tap) */
.zoomable{cursor:zoom-in}
.lightbox{
  position:fixed; inset:0; z-index:3000;
  background:rgba(2,20,32,.78);
  display:none; align-items:center; justify-content:center;
  padding:18px;
}
.lightbox.open{display:flex}
.lightbox .panel{
  position:relative;
  width:min(1100px, 100%);
  max-height: calc(100vh - 36px);
}
.lightbox img{
  width:100%;
  height:auto;
  max-height: calc(100vh - 80px);
  object-fit:contain;
  border-radius:16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 18px 60px rgba(0,0,0,.35);
}
.lightbox .close{
  position:absolute; top:-10px; left:-10px;
  transform: translate(0,0);
}
@media (max-width:520px){
  .lightbox{padding:10px}
  .lightbox .panel{max-height: calc(100vh - 20px)}
  .lightbox img{max-height: calc(100vh - 70px)}
}