@font-face{font-family:"Vazirmatn";src:url(/static/fonts/Vazirmatn.woff2) format("woff2");font-weight:100 900;font-display:swap}
/* Public site stylesheet. No inline styles are used anywhere (strict CSP). */
:root{
  --bg:#f5f7fa;--surface:#fff;--ink:#0b1b2e;--muted:#52637b;--line:#dbe2ec;
  --navy:#0a2342;--on-navy:#e8eef8;--accent:#1f5eff;--on-accent:#fff;--ok:#12a150;--warn:#e8a317;
  --soft:#edf1f7;--radius:.6rem;--wrap:70rem;color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0a1220;--surface:#101b2e;--ink:#e8eef8;--muted:#9fb0c9;--line:#22304a;
  --navy:#060d1a;--accent:#6c9bff;--on-accent:#06101f;--soft:#0d1829;--ok:#3ddc84;color-scheme:dark}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:1rem}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.95 "Vazirmatn",Tahoma,"Segoe UI",system-ui,sans-serif;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{position:absolute;inset-inline-start:1rem;top:-4rem;background:var(--accent);color:var(--on-accent);padding:.5rem 1rem;border-radius:.4rem;z-index:10}
.skip:focus{top:1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.25rem}
.narrow{max-width:48rem}
.muted{color:var(--muted)}

/* header */
.site-header{border-bottom:1px solid var(--line);background:var(--bg)}
.bar{display:flex;align-items:center;gap:1.5rem;padding-block:.9rem}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.2rem;text-decoration:none}
.mark{width:1.25rem;height:1.25rem;border-radius:.3rem;background:var(--navy);position:relative;flex:none}
.mark::after{content:"";position:absolute;inset:.38rem;border-radius:50%;background:var(--ok)}
.bar nav{display:flex;gap:1.4rem;margin-inline-start:auto;overflow-x:auto;white-space:nowrap}
.bar nav a{text-decoration:none;color:var(--muted);font-size:.97rem;padding:.2rem 0;border-bottom:2px solid transparent}
.bar nav a:hover,.bar nav a[aria-current]{color:var(--ink);border-color:var(--accent)}

/* buttons */
.btn{display:inline-block;background:var(--accent);color:var(--on-accent);padding:.7rem 1.5rem;border-radius:var(--radius);font-weight:700;text-decoration:none;border:2px solid var(--accent);transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn-sm{padding:.4rem 1rem;font-size:.92rem}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-light{background:#fff;color:#0a2342;border-color:#fff}

/* hero */
.hero{padding:4.5rem 0 5rem;background:radial-gradient(circle at 1px 1px,var(--line) 1px,transparent 0) 0 0/1.6rem 1.6rem}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3.5rem;align-items:center}
h1{font-size:clamp(2rem,4.6vw,3.3rem);line-height:1.45;margin:0 0 1.2rem;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.5;margin:0 0 .8rem;font-weight:800}
h3{font-size:1.15rem;line-height:1.6;margin:0 0 .4rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:38rem;margin:0 0 1.8rem}
.actions{display:flex;gap:.75rem;flex-wrap:wrap}
.board{background:var(--navy);color:var(--on-navy);border-radius:.9rem;padding:1.4rem 1.5rem;box-shadow:0 1px 0 var(--line)}
.board-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.6rem}
.tag{font-size:.75rem;border:1px solid rgba(232,238,248,.35);border-radius:99px;padding:0 .6rem}
.board-rows{list-style:none;margin:0;padding:0}
.board-rows li{display:flex;align-items:center;gap:.65rem;padding:.5rem 0;border-top:1px solid rgba(232,238,248,.12);font-size:.95rem}
.board-rows em{margin-inline-start:auto;font-style:normal;color:#9fb6d9;font-size:.85rem}
.dot{width:.6rem;height:.6rem;border-radius:50%;background:#3ddc84;flex:none}
.dot.warn,.days i.warn{background:var(--warn)}
.days{display:grid;grid-template-columns:repeat(30,1fr);gap:2px;margin-top:1rem;direction:ltr}
.days i{height:1.6rem;border-radius:2px;background:#3ddc84;opacity:.85}
.board-note{margin:.6rem 0 0;font-size:.78rem;color:#8ea4c6}

/* sections */
.block{padding:4.5rem 0}
.block-tight{padding:1rem 1.25rem 4rem}
.alt{background:var(--soft);border-block:1px solid var(--line)}
.split{display:grid;grid-template-columns:.8fr 1.4fr;gap:3rem;align-items:start}
.split-head p{color:var(--muted)}
.svc-list{display:grid;border-top:1px solid var(--line)}
.svc{display:block;text-decoration:none;padding:1.4rem .5rem;border-bottom:1px solid var(--line);transition:background .15s,padding .15s}
.svc:hover{background:var(--surface);padding-inline:1.2rem}
.svc h2,.svc h3{margin:0 0 .3rem;font-size:1.2rem}
.svc p{margin:0;color:var(--muted)}
.steps{list-style:none;margin:2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem;counter-reset:s}
.steps li{counter-increment:s;border-top:3px solid var(--accent);padding-top:1rem}
.steps li::before{content:counter(s,persian);display:block;font-size:1.7rem;font-weight:800;color:var(--accent);line-height:1.3}
.steps b{display:block;margin:.2rem 0 .3rem}
.steps span{color:var(--muted);font-size:.96rem}
.row-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:1.5rem}
.author{max-width:40rem}.author h3{margin:0}.author p{margin:.4rem 0}

/* cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:border-color .15s}
.card:hover{border-color:var(--accent)}
.card-img{display:block;aspect-ratio:16/9;background:var(--soft)}
.card-img img{width:100%;height:100%;object-fit:cover;display:block}
.card-body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;gap:.35rem;flex:1}
.card h3{margin:.2rem 0 0}
.card h3 a{text-decoration:none}
.card h3 a:hover{color:var(--accent)}
.card p{margin:0;color:var(--muted);font-size:.95rem;line-height:1.85}
.card time{margin-top:auto;padding-top:.5rem;color:var(--muted);font-size:.85rem}
.chip{display:inline-block;align-self:flex-start;font-size:.8rem;font-weight:700;color:var(--accent);text-decoration:none;background:color-mix(in srgb,var(--accent) 10%,transparent);border-radius:99px;padding:0 .75rem}

/* list pages */
.page-head{padding-block:2.5rem 1.5rem}
.cat-tabs{list-style:none;display:flex;gap:.5rem;flex-wrap:wrap;margin:1.5rem 0 0;padding:0}
.cat-tabs a{display:inline-block;text-decoration:none;border:1px solid var(--line);border-radius:99px;padding:.15rem 1rem;font-size:.93rem;background:var(--surface)}
.cat-tabs a[aria-current]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.cat-tabs small{opacity:.7}
.pager{display:flex;gap:.4rem;justify-content:center;margin-top:2.5rem;flex-wrap:wrap}
.pager a{min-width:2.4rem;text-align:center;padding:.2rem .6rem;border:1px solid var(--line);border-radius:.4rem;text-decoration:none;background:var(--surface)}
.pager a[aria-current]{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.2rem .6rem;margin:0 0 1.2rem;padding:0;font-size:.88rem;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-inline-end:.6rem;opacity:.5}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}

/* article */
.article{max-width:50rem;padding-block:2.5rem 3rem}
.article-head h1{margin-top:.6rem}
.byline{display:flex;flex-wrap:wrap;gap:.3rem 1.2rem;color:var(--muted);font-size:.92rem;margin:0 0 1.5rem}
.hero-img{margin:0 0 2rem}.hero-img img{width:100%;border-radius:var(--radius);display:block}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:.8rem 1.3rem;margin-bottom:2rem}
.toc summary{cursor:pointer;font-weight:700}
.toc ol{margin:.6rem 0 0;padding-inline-start:1.2rem;list-style:none}
.toc li{padding:.1rem 0}.toc li.l3{padding-inline-start:1.2rem;font-size:.95rem}
.toc a{text-decoration:none;color:var(--muted)}.toc a:hover{color:var(--accent)}
.prose{font-size:1.08rem}
.prose h2{margin:2.6rem 0 .7rem;font-size:1.6rem}
.prose h3{margin:2rem 0 .5rem;font-size:1.25rem}
.prose p,.prose ul,.prose ol{margin:0 0 1.2rem}
.prose a{color:var(--accent);text-underline-offset:.25em}
.prose img{display:block;margin:1.6rem auto;border-radius:var(--radius)}
.prose code{direction:ltr;unicode-bidi:isolate;font:.88em ui-monospace,Menlo,Consolas,monospace;background:var(--soft);border:1px solid var(--line);border-radius:.3rem;padding:.05rem .35rem}
.prose pre{direction:ltr;text-align:left;background:var(--navy);color:#dbe6f7;border-radius:var(--radius);padding:1rem 1.2rem;overflow-x:auto;line-height:1.7;margin:0 0 1.4rem}
.prose pre code{background:none;border:0;padding:0;color:inherit;font-size:.9rem}
.prose blockquote{margin:1.5rem 0;padding:.3rem 1.3rem;border-inline-start:4px solid var(--accent);background:var(--soft);border-radius:0 var(--radius) var(--radius) 0}
.prose table{border-collapse:collapse;display:block;overflow-x:auto;margin-bottom:1.4rem}
.prose th,.prose td{border:1px solid var(--line);padding:.5rem .9rem}
.prose th{background:var(--soft)}
.faq{margin-top:3rem}
.faq details{border-bottom:1px solid var(--line);padding:.9rem 0}
.faq summary{cursor:pointer;font-weight:700}
.faq-a{color:var(--muted);padding-top:.4rem}.faq-a p{margin:.3rem 0}
.author-box{margin-top:3rem;padding:1.2rem 1.4rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.author-box p{margin:.4rem 0 0;color:var(--muted)}
.author-box span{margin-inline-start:.8rem}

/* call to action */
.cta-band{background:var(--navy);color:var(--on-navy);padding:3.2rem 0}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap}
.cta-in h2{margin:0 0 .3rem}.cta-in p{margin:0;color:#b4c4de}

/* footer */
.site-footer{border-top:1px solid var(--line);padding-top:3rem;font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.foot-grid h2{font-size:1rem;margin:0 0 .6rem}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-grid li{padding:.15rem 0}
.foot-grid a{text-decoration:none;color:var(--muted)}.foot-grid a:hover{color:var(--ink)}
.foot-grid .brand{color:var(--ink)}
.foot-grid p{color:var(--muted)}
.legal{padding-block:2rem;color:var(--muted);font-size:.85rem}

@media (max-width:56rem){
  .hero-grid,.split{grid-template-columns:1fr;gap:2rem}
  .hero{padding:2.5rem 0 3rem}
  .grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .bar{flex-wrap:wrap;gap:.6rem 1rem}
  .bar nav{order:3;width:100%;margin:0}
  .bar-cta{margin-inline-start:auto}
}
@media (max-width:36rem){.grid,.steps,.foot-grid{grid-template-columns:1fr}.block{padding:3rem 0}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.site-header,.cta-band,.site-footer,.skip{display:none}body{background:#fff;color:#000}}