:root{
  --bg:#fbfbfa;--card:#fff;--fg:#16201f;--mute:#6b7573;--line:#e9ebea;--line-s:#d9dddc;
  --ink:#16201f;--acc:#0f6b61;--acc-d:#0a524a;--bad:#b3322d;--ok:#1b6b3a;--sunk:#f3f4f3;
  --r:14px;--r-s:10px
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:400 15px/1.9 Vazirmatn,Tahoma,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--acc);text-decoration-color:color-mix(in srgb,var(--acc) 35%,transparent);text-underline-offset:4px;transition:color .15s,text-decoration-color .15s}
a:hover{color:var(--acc-d);text-decoration-color:currentColor}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}

header.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 82%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;flex-wrap:wrap}
.brand{font-family:system-ui,-apple-system,'Helvetica Neue',sans-serif;font-weight:600;font-size:18px;letter-spacing:.14em;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:8px}
.brand:hover{color:var(--ink)}
nav{display:flex;gap:28px;align-items:center;font-size:14px}
nav a,nav button{color:var(--mute);text-decoration:none;background:none;border:0;font:inherit;cursor:pointer;padding:0;transition:color .15s}
nav a:hover,nav button:hover{color:var(--ink)}
nav form{margin:0}
nav a.cta{color:var(--ink);border:1px solid var(--line-s);border-radius:999px;padding:4px 20px;transition:background .15s,border-color .15s}
nav a.cta:hover{background:var(--sunk);border-color:var(--ink)}

main{padding:40px 0 96px}
footer{margin-top:32px;border-top:1px solid var(--line);padding:56px 0 32px;color:var(--mute);font-size:14px}
footer .foot-main{display:flex;justify-content:space-between;align-items:flex-start;gap:32px;flex-wrap:wrap}
footer .foot-brand p{margin:4px 0 0}
footer .brand{font-size:16px}
footer .links{flex-direction:column;align-items:flex-start;gap:6px}
footer .links a{color:var(--mute)}
footer .links a:hover{color:var(--ink)}
footer .foot-credit{margin-top:48px;padding-top:20px;border-top:1px solid var(--line);font-size:12px}
footer .foot-credit a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--line-s)}
footer .foot-credit a:hover{text-decoration-color:var(--ink)}

h1{font-size:28px;font-weight:600;line-height:1.5;margin:0 0 20px}
h2{font-size:17px;font-weight:600;line-height:1.6;margin:0 0 16px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:32px;margin-bottom:24px}
.card>:last-child{margin-bottom:0}
.narrow{max-width:420px;margin-inline:auto;margin-top:48px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.stat b{display:block;font-size:28px;font-weight:600}
.stat span{color:var(--mute);font-size:13px}

label{display:block;margin:20px 0 8px;font-weight:500;font-size:14px}
input[type=text],input[type=tel],textarea{width:100%;padding:12px 14px;border:1px solid var(--line-s);border-radius:var(--r-s);font:inherit;background:var(--card);color:var(--fg);transition:border-color .15s,box-shadow .15s}
input[type=text]:hover,input[type=tel]:hover,textarea:hover{border-color:#bfc5c4}
input[dir=ltr],textarea[dir=ltr],code{direction:ltr;text-align:left}
input:focus,textarea:focus{outline:0;border-color:var(--acc);box-shadow:0 0 0 3px color-mix(in srgb,var(--acc) 16%,transparent)}
button:focus-visible,a:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}

.btn{display:inline-block;padding:11px 28px;border:1px solid var(--ink);border-radius:999px;background:var(--ink);color:#fff;font:inherit;font-weight:500;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,color .15s}
.btn:hover{background:var(--acc-d);border-color:var(--acc-d);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-s)}
.btn.ghost:hover{background:var(--sunk);border-color:var(--ink);color:var(--ink)}
.btn.danger{background:transparent;color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,transparent)}
.btn.danger:hover{background:var(--bad);border-color:var(--bad);color:#fff}
.btn.small{padding:6px 18px;font-size:13px}

.err{color:var(--bad);margin:8px 0;font-size:14px}
.flash{background:var(--sunk);border:1px solid var(--line);color:var(--ok);padding:14px 20px;border-radius:var(--r-s);margin-bottom:24px}
.secret{background:var(--card);border:1px solid var(--ink);padding:20px 24px;border-radius:var(--r);margin-bottom:24px}

code,pre{background:var(--sunk);border-radius:6px;padding:2px 8px;font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-size:13px;word-break:break-all}
pre{padding:24px;overflow-x:auto;direction:ltr;text-align:left;white-space:pre;background:var(--ink);color:#dfe7e5;border-radius:var(--r-s);line-height:1.8;word-break:normal}

table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:right;vertical-align:middle}
th{color:var(--mute);font-weight:500;font-size:13px}
tbody tr:last-child td{border-bottom:0}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.muted{color:var(--mute)}
.tag{font-size:12px;padding:2px 12px;border-radius:999px;background:var(--sunk);color:var(--ink)}
.tag.bad{background:color-mix(in srgb,var(--bad) 9%,#fff);color:var(--bad)}

.hero{text-align:start;padding:96px 0 72px;max-width:760px}
html{scroll-behavior:smooth;scroll-padding-top:88px}
.hero h1{font-size:clamp(32px,6vw,52px);font-weight:900;line-height:1.5;margin:0 0 24px}
.hero p{max-width:540px;margin:0 0 40px;color:var(--mute);font-size:18px;line-height:2}
.facts{list-style:none;margin:0 0 48px;padding:32px 0;border-block:1px solid var(--line);display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px}
.facts strong{display:block;font-weight:600;margin-bottom:4px}
.facts span{color:var(--mute);font-size:14px;line-height:1.9}

.how{margin:0 0 72px}
.how h2{font-size:clamp(24px,4vw,32px);font-weight:700;margin:0 0 8px}
.how-lead{margin:0 0 48px;color:var(--mute);font-size:16px}
.how-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0 40px;position:relative;counter-reset:none}
.how-steps::before{content:"";position:absolute;inset-inline:0;top:17px;border-top:1px dashed var(--line-s)}
.how-steps li{position:relative}
.how-num{position:relative;display:grid;place-items:center;width:36px;height:36px;margin-bottom:24px;border-radius:50%;background:var(--ink);color:#fff;font-weight:500;font-size:15px;line-height:1}
.how-art{display:flex;flex-direction:column;justify-content:center;gap:8px;height:116px;margin-bottom:20px;padding:0 20px;background:var(--sunk);border:1px solid var(--line);border-radius:var(--r)}
.how-art code{background:none;padding:0;color:var(--ink);font-size:12px;word-break:normal;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.how-art .how-ok{color:var(--ok);font-weight:600}
.how-art-widget{flex-direction:row;align-items:center;gap:14px;background:var(--card)}
.how-box{display:grid;place-items:center;flex:none;width:28px;height:28px;border-radius:6px;background:var(--acc);color:#fff}
.how-widget-text{flex:1;min-width:0}
.how-widget-text b{display:block;font-weight:500;font-size:14px;margin-bottom:8px}
.how-bar{display:block;height:4px;border-radius:2px;background:var(--line)}
.how-bar u{display:block;height:100%;width:72%;border-radius:2px;background:var(--acc);text-decoration:none}
.how-steps h3{font-size:16px;font-weight:600;line-height:1.7;margin:0 0 4px}
.how-steps p{margin:0;color:var(--mute);font-size:14px;line-height:1.9;max-width:34ch}
@supports (animation-timeline:view()){
  .how-bar u{animation:how-fill linear both;animation-timeline:view();animation-range:entry 20% cover 45%}
  @keyframes how-fill{from{width:6%}to{width:72%}}
}

.guide{margin:0 0 24px}
.guide h2{font-size:clamp(24px,4vw,32px);font-weight:700;margin:0 0 8px}
.guide-steps{list-style:none;margin:0 0 56px;padding:0;position:relative}
.guide-steps::before{content:"";position:absolute;inset-block:18px;inset-inline-start:17px;border-inline-start:1px dashed var(--line-s)}
.guide-steps li{position:relative;padding-inline-start:64px;padding-bottom:40px}
.guide-steps li:last-child{padding-bottom:0}
.guide-steps .how-num{position:absolute;inset-block-start:0;inset-inline-start:0;margin:0}
.guide-steps h3{font-size:17px;font-weight:600;line-height:1.7;margin:4px 0 8px}
.guide-steps p{margin:0 0 16px;color:var(--mute);max-width:62ch}
.guide-steps p code{background:var(--sunk);color:var(--ink);font-size:12px;word-break:normal;white-space:nowrap}
.guide-steps pre{margin:0 0 12px;padding:18px 20px;font-size:12.5px}
.guide-steps pre span{display:block}
.guide-steps pre .del,.guide-steps pre .add{position:relative;padding-inline-start:18px;margin-inline:-20px;padding-inline-end:20px}
.guide-steps pre .del{color:#e9a5a0;background:rgba(179,50,45,.16)}
.guide-steps pre .add{color:#9ad9c0;background:rgba(15,107,97,.28)}
.guide-steps pre .del::before,.guide-steps pre .add::before{position:absolute;inset-inline-start:6px}
.guide-steps pre .del::before{content:"\2212"}
.guide-steps pre .add::before{content:"+"}
.guide-steps .lang{margin:0 0 8px;border:1px solid var(--line);border-radius:var(--r-s);background:var(--card)}
.guide-steps .lang summary{cursor:pointer;padding:10px 16px;font-size:13px;font-weight:500;list-style:none;display:flex;justify-content:space-between;align-items:center}
.guide-steps .lang summary::-webkit-details-marker{display:none}
.guide-steps .lang summary::after{content:"+";color:var(--mute);font-size:16px;line-height:1}
.guide-steps .lang[open] summary::after{content:"\2212"}
.guide-steps .lang pre{margin:0;border-radius:0 0 var(--r-s) var(--r-s)}
.guide-steps .lang+p,.guide-steps .lang+.lang{margin-top:0}
.guide-steps .lang:last-of-type{margin-bottom:16px}
.guide-notes{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;padding-top:32px;border-top:1px solid var(--line)}
.guide-notes h3{font-size:15px;font-weight:600;margin:0 0 6px}
.guide-notes p{margin:0;color:var(--mute);font-size:14px;line-height:1.9}
.guide-notes code{background:var(--sunk);color:var(--ink);font-size:12px}

.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:16px 0 32px}
.page-head h1{margin:0;font-size:32px;font-weight:300}
.stats{grid-template-columns:repeat(auto-fit,minmax(0,max-content));gap:16px 64px;margin-bottom:32px}
.stats .stat b{font-weight:300;font-size:36px;line-height:1.4}
.card.flush{padding:8px 32px 20px}
.card.empty{text-align:center;padding:64px 24px}
.card.empty p{max-width:380px;margin:0 auto 24px}
.card-foot{margin:8px 0 0;font-size:13px}
.domains{text-align:right}
.form-card{max-width:560px}
.form-actions{margin-top:28px}
.hint{font-size:13px;color:var(--mute);margin-top:6px}
label.check{font-weight:400;display:flex;gap:10px;align-items:center;margin-top:24px}
.check input{accent-color:var(--ink);width:16px;height:16px}
.secret-key{margin-top:12px}
.secret-key code{display:block;padding:12px 14px}
.danger-zone p{margin:0 0 16px}
.data-table{margin-top:12px}
.data-table summary{cursor:pointer;font-size:13px}
.chart{width:100%;height:auto}
.chart .s{fill:var(--acc)}.chart .f{fill:var(--bad)}.chart text{fill:var(--mute);font:10px Vazirmatn,Tahoma,sans-serif}
.legend{display:flex;gap:20px;font-size:13px;color:var(--mute)}.legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-inline-end:6px}
.prose h2{margin-top:32px}.prose h2:first-child{margin-top:0}.prose p,.prose li{max-width:68ch}

@media (max-width:600px){
  .wrap{padding:0 16px}
  main{padding:24px 0 64px}
  .card{padding:24px 20px}
  h1{font-size:23px}
  .hero{padding:48px 0 40px}
  .how{margin-bottom:48px}
  .how-lead{margin-bottom:32px}
  .how-steps{grid-template-columns:1fr;gap:36px}
  .how-steps::before{inset-inline:auto;inset-block:18px 0;inset-inline-start:17px;border-top:0;border-inline-start:1px dashed var(--line-s)}
  .how-steps li{padding-inline-start:56px}
  .how-num{position:absolute;inset-block-start:0;inset-inline-start:0;margin:0}
  .how-steps p{max-width:none}
  .guide-steps li{padding-inline-start:52px}
  .guide-steps pre{font-size:11.5px;padding:14px 16px}
  .guide-steps pre .del,.guide-steps pre .add{margin-inline:-16px;padding-inline-end:16px}
  .page-head h1{font-size:26px}
  .card.flush{padding:4px 16px 16px}
  table{font-size:13px}th,td{padding:12px 6px}
  nav{gap:20px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}