@font-face{font-family:Vazirmatn;src:url(../media/Vazirmatn-Thin.0bd8ivb2xogiu.woff2)format("woff2");font-weight:100;font-style:normal;font-display:swap}@font-face{font-family:Vazirmatn;src:url(../media/Vazirmatn-ExtraLight.1ba-pjko-mym7.woff2)format("woff2");font-weight:200;font-style:normal;font-display:swap}@font-face{font-family:Vazirmatn;src:url(../media/Vazirmatn-Light.1gc67kpj175nw.woff2)format("woff2");font-weight:300;font-style:normal;font-display:swap}@font-face{font-family:Vazirmatn;src:url(../media/Vazirmatn-Regular.0dcb8kz605k8s.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Vazirmatn;src:url(../media/Vazirmatn-Medium.2-_uiwuue8zmx.woff2)format("woff2");font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:Vazirmatn;src:url(../media/Vazirmatn-SemiBold.324a-bwgua3id.woff2)format("woff2");font-weight:600;font-style:normal;font-display:swap}@font-face{font-family:Vazirmatn;src:url(../media/Vazirmatn-Bold.3_l2lbvbvgs-_.woff2)format("woff2");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:Vazirmatn;src:url(../media/Vazirmatn-ExtraBold.2nbua_npfyp0v.woff2)format("woff2");font-weight:800;font-style:normal;font-display:swap}@font-face{font-family:Vazirmatn;src:url(../media/Vazirmatn-Black.2o5hrkiylztya.woff2)format("woff2");font-weight:900;font-style:normal;font-display:swap}
:root{--background:#f8fafc;--surface:#fff;--surface-soft:#f1f5f9;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--primary:#2563eb;--primary-dark:#1d4ed8;--code:#0b1120;--radius:22px;--shadow:0 18px 50px #0f172a14;--font-persian:Vazirmatn, Tahoma, Arial, sans-serif}.dark{--background:#0f172a;--surface:#1e293b;--surface-soft:#334155;--text:#f1f5f9;--muted:#94a3b8;--line:#334155;--primary:#3b82f6;--primary-dark:#60a5fa;--code:#020617;--shadow:0 18px 50px #0000004d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--background);color:var(--text);font-family:var(--font-persian);margin:0;line-height:1.8}a{color:inherit;text-decoration:none}img{max-width:100%}.container{width:min(1120px,100% - 32px);margin-inline:auto}.site-header{z-index:50;border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--surface) 86%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:sticky;top:0}.markdown-body hr{background:linear-gradient(90deg,#0000,#2563eb73,#0000);border:0;width:72%;height:1px;margin:52px auto}.header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:72px;display:flex}.brand{color:var(--primary);font-size:1.2rem;font-weight:900}.nav{color:var(--text);align-items:center;gap:22px;display:flex}.nav a:hover{color:var(--primary)}.hero{border-bottom:1px solid var(--line);background:radial-gradient(circle at 15% 10%, #2563eb29, transparent 28%), radial-gradient(circle at 88% 30%, #0ea5e929, transparent 30%), linear-gradient(180deg, var(--surface), var(--surface-soft));overflow:hidden}.hero-content{flex-direction:column;justify-content:center;align-items:flex-start;min-height:500px;padding-block:80px;display:flex}.hero h1{letter-spacing:-.04em;max-width:820px;margin:10px 0 20px;font-size:clamp(2.25rem,6vw,4.8rem);line-height:1.2}.hero p{max-width:680px;color:var(--muted);margin:0 0 30px;font-size:1.1rem}.eyebrow{color:var(--primary);font-size:.92rem;font-weight:800}.primary-button{background:var(--primary);color:#fff;border-radius:14px;justify-content:center;align-items:center;min-height:48px;padding:0 22px;font-weight:800;transition:all .18s;display:inline-flex}.primary-button:hover{background:var(--primary-dark);transform:translateY(-2px)}.section{padding-block:72px}.section-heading,.page-heading{margin-bottom:34px}.section-heading{justify-content:space-between;align-items:flex-end;gap:24px;display:flex}.section-heading h2,.page-heading h1{margin:4px 0 0;font-size:clamp(2rem,5vw,3.2rem)}.page-heading{max-width:760px}.page-heading p{color:var(--muted);margin:10px 0 0}.post-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;display:grid}.post-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);transition:all .18s;overflow:hidden}.post-card:hover{transform:translateY(-5px);box-shadow:0 24px 65px #0f172a21}.post-card-cover{aspect-ratio:16/9;background:var(--surface-soft);display:block;overflow:hidden}.post-card-cover img{object-fit:cover;width:100%;height:100%;transition:all .26s}.post-card:hover .post-card-cover img{transform:scale(1.035)}.post-card-body{padding:22px}.post-card h2{margin:13px 0 10px;font-size:1.25rem;line-height:1.55}.post-card h2 a:hover{color:var(--primary)}.post-card p{min-height:82px;color:var(--muted);margin:0;font-size:.95rem}.post-card-footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:14px;margin-top:20px;padding-top:16px;font-size:.82rem;display:flex}.tag-list{flex-wrap:wrap;gap:8px;display:flex}.tag{background:color-mix(in srgb, var(--primary) 12%, transparent);min-height:30px;color:var(--primary);border-radius:999px;align-items:center;padding:0 10px;font-size:.8rem;font-weight:700;display:inline-flex}.tag:hover{background:color-mix(in srgb, var(--primary) 20%, transparent)}.article-shell{padding-block:54px 80px}.article-header{text-align:center;max-width:920px}.article-header .tag-list{justify-content:center;margin-top:28px}.article-header h1{letter-spacing:-.035em;margin:22px auto 16px;font-size:clamp(2.35rem,6vw,4.6rem);line-height:1.25}.article-description{max-width:760px;color:var(--muted);margin:0 auto;font-size:1.08rem}.article-meta{color:var(--muted);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:24px;font-size:.9rem;display:flex}.article-cover{border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;margin-top:44px;overflow:hidden}.article-cover img{width:100%;height:auto;display:block}.article-layout{max-width:820px;margin-top:56px}.back-link{color:var(--primary);font-weight:800}.markdown-body{font-size:1.04rem;line-height:2.05}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{scroll-margin-top:100px;line-height:1.55}.markdown-body h1{margin:2.2em 0 .7em;font-size:2.15rem}.markdown-body h2{border-bottom:1px solid var(--line);margin:2.1em 0 .65em;padding-bottom:.45em;font-size:1.65rem}.markdown-body h3{margin:1.9em 0 .6em;font-size:1.3rem}.markdown-body p,.markdown-body ul,.markdown-body ol{color:var(--muted)}.markdown-body a{color:var(--primary);text-underline-offset:4px;text-decoration:underline}.markdown-body blockquote{border-right:4px solid var(--primary);background:color-mix(in srgb, var(--primary) 10%, transparent);color:var(--primary);border-radius:14px;margin:28px 0;padding:18px 22px}.markdown-body blockquote p{color:inherit;margin:0}.markdown-body code:not(pre code){border:1px solid color-mix(in srgb, var(--primary) 20%, transparent);background:color-mix(in srgb, var(--primary) 10%, transparent);color:var(--primary);direction:ltr;border-radius:7px;padding:.08em .42em;font-family:Consolas,Monaco,monospace;font-size:.88em;display:inline-block}.markdown-body pre{background:var(--code);color:#dbeafe;text-align:left;direction:ltr;border-radius:18px;margin:28px 0;padding:22px;line-height:1.75;overflow-x:auto;box-shadow:0 18px 45px #0f172a2e}.markdown-body pre code{font-family:Consolas,Monaco,monospace;font-size:.9rem}.markdown-body img{border:1px solid var(--line);height:auto;box-shadow:var(--shadow);border-radius:18px;margin:32px auto;display:block}.markdown-body table{border-collapse:collapse;border-radius:14px;width:100%;margin:28px 0;overflow:hidden}.markdown-body th,.markdown-body td{border:1px solid var(--line);text-align:right;padding:12px 14px}.markdown-body th{background:var(--surface-soft)}.hljs-comment,.hljs-quote{color:#94a3b8}.hljs-keyword,.hljs-selector-tag,.hljs-literal{color:#f472b6}.hljs-string,.hljs-doctag{color:#fbbf24}.hljs-title,.hljs-section,.hljs-function .hljs-title{color:#60a5fa}.hljs-number,.hljs-symbol,.hljs-bullet{color:#34d399}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:65vh;display:flex}.empty-state h1{margin:8px 0;font-size:2.6rem}.empty-state p{color:var(--muted);margin:0 0 24px}.site-footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;padding-block:28px}.theme-toggle{border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;width:42px;height:42px;transition:all .18s;display:inline-flex}.theme-toggle:hover{background:var(--surface-soft)}.theme-toggle-icon{font-size:1.2rem;line-height:1}@media (max-width:900px){.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.header-inner{min-height:64px}.hero-content{min-height:430px;padding-block:64px}.section{padding-block:52px}.section-heading{flex-direction:column;align-items:flex-start}.post-grid{grid-template-columns:1fr}.post-card p{min-height:auto}.article-shell{padding-top:36px}.article-header h1{font-size:2.2rem}.article-meta{font-size:.82rem}.article-layout{margin-top:40px}.markdown-body{font-size:.98rem}.markdown-body pre{border-radius:14px;margin-inline:-10px;padding:18px}}.article-parts{width:100%}.article-parts-tabs{z-index:20;overscroll-behavior-inline:contain;scrollbar-width:thin;border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 90%, transparent);-webkit-backdrop-filter:blur(14px);border-radius:20px;gap:10px;width:100%;margin-bottom:32px;padding:10px;display:flex;position:sticky;top:88px;overflow-x:auto;box-shadow:0 12px 35px #0f172a12}.article-part-tab{min-width:180px;min-height:64px;color:var(--muted);font:inherit;text-align:right;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:15px;flex:none;align-items:center;gap:11px;padding:9px 12px;transition:background-color .16s,border-color .16s,color .16s,transform .16s;display:flex}.article-part-tab:hover{background:var(--surface);border-color:color-mix(in srgb, var(--primary) 20%, transparent);color:var(--primary)}.article-part-tab.is-active{border-color:color-mix(in srgb, var(--primary) 22%, transparent);background:linear-gradient(135deg, color-mix(in srgb, var(--primary) 10%, var(--surface)), color-mix(in srgb, var(--primary) 5%, var(--surface)));color:var(--primary);box-shadow:0 9px 24px #2563eb1f}.article-part-number{background:var(--surface-soft);width:38px;height:38px;color:var(--muted);border-radius:12px;flex:0 0 38px;justify-content:center;align-items:center;font-weight:900;display:inline-flex}.article-part-tab.is-active .article-part-number{background:var(--primary);color:#fff}.article-part-tab-text{flex-direction:column;gap:1px;min-width:0;display:flex}.article-part-tab-text small{color:var(--muted);font-size:.72rem}.article-part-tab-text strong{text-overflow:ellipsis;white-space:nowrap;max-width:145px;font-size:.88rem;overflow:hidden}.article-part-panel{border:1px solid var(--line);background:var(--surface);border-radius:25px;animation:.22s article-part-enter;overflow:hidden;box-shadow:0 20px 55px #0f172a14}.article-part-header{border-bottom:1px solid var(--line);background:radial-gradient(circle at 90% 0%, color-mix(in srgb, var(--primary) 13%, transparent), transparent 42%), linear-gradient(135deg, color-mix(in srgb, var(--primary) 5%, var(--surface)), var(--surface));align-items:center;gap:18px;padding:24px 28px;display:flex}.article-part-badge{background:var(--primary);color:#fff;border-radius:13px;flex:none;justify-content:center;align-items:center;min-width:74px;min-height:42px;padding:0 14px;font-size:.85rem;font-weight:900;display:inline-flex;box-shadow:0 9px 22px #2563eb3d}.article-part-header p{color:var(--muted);margin:0 0 3px;font-size:.78rem}.article-part-header h2{color:var(--text);margin:0;font-size:clamp(1.25rem,4vw,1.8rem);line-height:1.5}.article-part-panel>.markdown-body{padding:14px 30px 34px}.article-part-navigation{border-top:1px solid var(--line);background:var(--surface-soft);grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;padding:22px 28px;display:grid}.article-part-navigation>div:last-child{justify-content:flex-end;display:flex}.article-part-nav-button{border:1px solid var(--line);background:var(--surface);max-width:280px;color:var(--text);font:inherit;text-align:right;cursor:pointer;border-radius:14px;flex-direction:column;gap:2px;padding:12px 16px;transition:border-color .16s,color .16s,transform .16s;display:flex}.article-part-nav-button:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}.article-part-nav-button span{color:var(--muted);font-size:.74rem}.article-part-nav-button strong{font-size:.9rem}.article-part-nav-button.next{text-align:left}@keyframes article-part-enter{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}@media (max-width:640px){.article-parts-tabs{border-radius:17px;top:72px}.article-part-tab{min-width:158px;min-height:58px}.article-part-header{align-items:flex-start;padding:20px}.article-part-panel>.markdown-body{padding:10px 20px 28px}.article-part-navigation{grid-template-columns:1fr;padding:18px 20px}.article-part-navigation>div:last-child{justify-content:stretch}.article-part-nav-button{width:100%;max-width:none}.article-part-nav-button.next{text-align:right}}