/* APay — soft red · light (white) / dark (black) · EN + FA (RTL) */
@font-face{font-family:Vazirmatn;src:url(/fonts/Vazirmatn.woff2) format("woff2");font-weight:100 900;font-display:swap}
:root{
  --bg:#fffafa;--bg2:#fff3f3;--surface:#fff;--ink:#2b1719;--mute:#7b5d61;--line:#f1dcdd;
  --accent:#d93a40;--accent-ink:#fff;--accent-soft:#fdeaea;--accent-line:#f5c4c6;
  --code-bg:#fff4f4;--code-ink:#3a1f22;--ok:#1f8a4c;--warn-bg:#fff6e6;--warn-line:#f2d29b;
  --shadow:0 1px 2px rgba(120,30,35,.06),0 8px 30px rgba(120,30,35,.07);
  --r:14px;--font-fa:Vazirmatn,Tahoma,"Segoe UI",system-ui,sans-serif;--font-en:Inter,"Segoe UI",system-ui,-apple-system,Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color-scheme:light
}
:root[data-theme=dark]{
  --bg:#0d0a0a;--bg2:#130e0f;--surface:#171112;--ink:#f6ecec;--mute:#a58d90;--line:#2c1f21;
  --accent:#ff6b70;--accent-ink:#1a0a0b;--accent-soft:#2a1517;--accent-line:#5a2a2d;
  --code-bg:#120d0e;--code-ink:#f1dede;--ok:#4cc982;--warn-bg:#241a0e;--warn-line:#5b4220;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 34px rgba(0,0,0,.45);color-scheme:dark
}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 var(--font-en);-webkit-font-smoothing:antialiased}
html[lang=fa] body{font-family:var(--font-fa)}
html[lang=fa] [data-l=en],html[lang=en] [data-l=fa]{display:none!important}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
img,svg{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;letter-spacing:-.01em}
html[lang=fa] h1,html[lang=fa] h2,html[lang=fa] h3{letter-spacing:0;line-height:1.5}
p{margin:0 0 1em}.mute{color:var(--mute)}
code,pre,kbd{font-family:var(--mono);font-size:.88em;direction:ltr;unicode-bidi:isolate}
:not(pre)>code{background:var(--accent-soft);color:var(--accent);padding:.12em .4em;border-radius:6px;border:1px solid var(--accent-line)}
pre{background:var(--code-bg);color:var(--code-ink);border:1px solid var(--line);border-radius:12px;padding:16px;overflow:auto;margin:0 0 1.2em;text-align:left;direction:ltr;line-height:1.6;position:relative}
pre code{background:none;border:0;padding:0;color:inherit;font-size:1em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* header */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--ink)!important;text-decoration:none!important}
.brand .logo{width:30px;height:33px;display:block}
.brand .logo svg{width:100%;height:100%;display:block}
.links{display:flex;gap:4px;margin-inline-start:12px;flex:1}
.links a{color:var(--mute);padding:6px 12px;border-radius:8px;font-size:.95rem;text-decoration:none}
.links a:hover,.links a.on{color:var(--ink);background:var(--accent-soft)}
.tools{display:flex;gap:8px;align-items:center}
.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;height:36px;min-width:36px;padding:0 10px;cursor:pointer;font:600 .85rem var(--font-en);display:inline-flex;align-items:center;justify-content:center;gap:6px}
.icon-btn:hover{border-color:var(--accent-line);background:var(--accent-soft)}
.icon-btn svg{width:18px;height:18px}
#menu{display:none}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-ink)!important;border:1px solid var(--accent);border-radius:11px;padding:10px 18px;font:600 .95rem inherit;font-family:inherit;cursor:pointer;text-decoration:none!important;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px color-mix(in srgb,var(--accent) 35%,transparent)}
.btn.ghost{background:transparent;color:var(--ink)!important;border-color:var(--line)}
.btn.ghost:hover{background:var(--accent-soft);box-shadow:none}
[data-bot].hide{display:none}

/* hero */
.hero{padding:72px 0 56px;background:radial-gradient(900px 380px at 80% -10%,var(--accent-soft),transparent 70%)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-line);border-radius:999px;padding:4px 14px;font-size:.85rem;font-weight:600;margin-bottom:18px}
.hero h1{font-size:clamp(2rem,4.6vw,3.3rem);font-weight:800}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:1.12rem;color:var(--mute);max-width:34em}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:3px 12px;font-size:.82rem;color:var(--mute)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.term{padding:0;overflow:hidden}
.term .bar{display:flex;gap:6px;padding:12px 16px;border-bottom:1px solid var(--line);align-items:center}
.term .bar i{width:10px;height:10px;border-radius:50%;background:var(--accent-line)}
.term .bar span{margin-inline-start:auto;font:.78rem var(--mono);color:var(--mute);direction:ltr}
.term pre{border:0;border-radius:0;margin:0;background:transparent}

section.s{padding:68px 0}section.alt{background:var(--bg2);border-block:1px solid var(--line)}
.sec-h{text-align:center;max-width:640px;margin:0 auto 42px}
.sec-h h2{font-size:clamp(1.6rem,3vw,2.2rem)}.sec-h p{color:var(--mute)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat .ic{width:42px;height:42px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:14px;border:1px solid var(--accent-line)}
.feat .ic svg{width:22px;height:22px}.feat h3{font-size:1.08rem}.feat p{color:var(--mute);margin:0;font-size:.95rem}
.flow{display:flex;align-items:stretch;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.node{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;min-width:150px;text-align:center;font-size:.9rem}
.node b{display:block;color:var(--accent)}
.arrow{align-self:center;color:var(--accent);font-size:1.4rem}
html[dir=rtl] .arrow{transform:scaleX(-1)}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{position:relative;padding-top:48px}
.step:before{counter-increment:s;content:counter(s);position:absolute;top:18px;inset-inline-start:22px;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:700;font-size:.9rem}
.step h3{font-size:1rem}.step p{color:var(--mute);font-size:.92rem;margin:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.price{max-width:520px;margin:0 auto;text-align:center}
.price .big{font-size:3rem;font-weight:800;color:var(--accent);line-height:1.1}
.price ul{list-style:none;padding:0;margin:22px 0 0;text-align:start}
.price li{padding:8px 0;border-top:1px solid var(--line);display:flex;gap:10px}
.price li:before{content:"✓";color:var(--ok);font-weight:700}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}details[open] summary{color:var(--accent);margin-bottom:8px}
details p{margin:0;color:var(--mute)}
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--mute);font-size:.9rem}
footer .wrap{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;align-items:center}
footer nav{display:flex;gap:18px}

/* code tabs + copy */
.tabs{display:flex;gap:4px;padding:8px 8px 0;border-bottom:1px solid var(--line);overflow:auto}
.tabs button{border:0;background:none;color:var(--mute);padding:8px 14px;border-radius:8px 8px 0 0;cursor:pointer;font:600 .85rem var(--font-en);border-bottom:2px solid transparent}
.tabs button.on{color:var(--accent);border-color:var(--accent)}
.tabpanel{display:none}.tabpanel.on{display:block}
.codebox{border:1px solid var(--line);border-radius:12px;background:var(--code-bg);margin:0 0 1.2em;overflow:hidden}
.codebox pre{border:0;border-radius:0;margin:0;background:transparent}
.copy{position:absolute;top:8px;inset-inline-end:8px;border:1px solid var(--line);background:var(--surface);color:var(--mute);border-radius:8px;padding:2px 10px;font:600 .75rem var(--font-en);cursor:pointer;opacity:.0;transition:opacity .15s}
pre:hover .copy,.copy:focus-visible{opacity:1}
@media(hover:none){.copy{opacity:1}}

/* docs */
.docs{display:grid;grid-template-columns:260px minmax(0,1fr);gap:46px;padding:36px 20px 80px}
.side{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 100px);overflow:auto;padding-inline-end:6px}
.side h4{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--mute);margin:20px 0 6px}
html[lang=fa] .side h4{letter-spacing:0;font-size:.82rem}
.side a{display:block;color:var(--mute);padding:5px 12px;border-inline-start:2px solid var(--line);font-size:.92rem;text-decoration:none}
.side a:hover{color:var(--ink)}.side a.on{color:var(--accent);border-color:var(--accent);background:var(--accent-soft);font-weight:600}
.doc{min-width:0;max-width:800px}
.doc section{padding-top:8px;margin-bottom:44px}
.doc h1{font-size:2.2rem;font-weight:800}
.doc h2{font-size:1.5rem;padding-bottom:8px;border-bottom:1px solid var(--line);margin-top:6px}
.doc h3{font-size:1.1rem;margin-top:1.6em}
.doc ul,.doc ol{padding-inline-start:1.3em;margin:0 0 1em}.doc li{margin:.25em 0}
table{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:.92rem}
@media(max-width:700px){table{display:block;overflow-x:auto}}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:start;vertical-align:top}
th{background:var(--accent-soft);color:var(--ink);font-weight:700;white-space:nowrap}
.note,.warn{border:1px solid var(--accent-line);background:var(--accent-soft);border-radius:12px;padding:12px 16px;margin:0 0 1.2em}
.warn{background:var(--warn-bg);border-color:var(--warn-line)}
.note>:last-child,.warn>:last-child{margin-bottom:0}
.m{display:inline-block;font:700 .75rem var(--mono);padding:2px 8px;border-radius:6px;background:var(--accent);color:var(--accent-ink);margin-inline-end:8px;direction:ltr}
.m.get{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-line)}
.ep{font-family:var(--mono);direction:ltr;unicode-bidi:isolate;display:inline-block}

@media(max-width:900px){
  .hero .wrap,.split{grid-template-columns:1fr}.grid3{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}
  .links{display:none;position:absolute;top:64px;inset-inline:0;background:var(--bg);flex-direction:column;padding:10px 20px;border-bottom:1px solid var(--line);margin:0}
  .links.open{display:flex}#menu{display:inline-flex}
  .docs{grid-template-columns:1fr;gap:0}.side{position:static;max-height:none;display:none;border:1px solid var(--line);border-radius:12px;padding:8px 12px;margin-bottom:24px}.side.open{display:block}
  .doc-menu{display:inline-flex!important}
}
@media(max-width:560px){.grid3,.steps{grid-template-columns:1fr}.hero{padding-top:44px}.nav .btn{display:none}}
.doc-menu{display:none;margin-bottom:16px}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* loader (از لوگو) */
.apay-loader{width:64px;height:70px;display:block;margin-inline:auto;transform-origin:50% 55%;animation:ap-bob 1.8s ease-in-out infinite}
.apay-loader.sm{width:22px;height:24px;margin:0;flex:none}
.apay-loader .b{fill:var(--accent)}
.apay-loader .a,.apay-loader .c{fill:none;stroke:var(--accent-ink);stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:100;opacity:0}
.apay-loader .a{stroke-width:8.5;animation:ap-a 1.8s ease-in-out infinite}
.apay-loader .c{stroke-width:6;animation:ap-c 1.8s ease-in-out infinite}
@keyframes ap-bob{0%,100%{transform:scale(.95)}50%{transform:scale(1)}}
@keyframes ap-a{0%{stroke-dashoffset:100;opacity:0}2%{opacity:1}42%{stroke-dashoffset:0;opacity:1}86%{stroke-dashoffset:0;opacity:1}100%{stroke-dashoffset:0;opacity:0}}
@keyframes ap-c{0%,40%{stroke-dashoffset:100;opacity:0}42%{opacity:1}60%{stroke-dashoffset:0;opacity:1}86%{stroke-dashoffset:0;opacity:1}100%{stroke-dashoffset:0;opacity:0}}
.splash{position:fixed;inset:0;z-index:999;background:var(--bg);display:grid;place-items:center;transition:opacity .35s}
.splash.out{opacity:0;pointer-events:none}
.splash .apay-loader{width:84px;height:93px}
.loading{display:flex;flex-direction:column;align-items:center;gap:14px;padding:34px 0;color:var(--mute)}
.waiting{display:flex;gap:10px;align-items:center;justify-content:center;color:var(--mute);font-size:.92rem;margin-top:14px}
/* تیک موفقیت */
.apay-ok{width:84px;height:84px;display:block;margin:0 auto 12px}
.apay-ok circle{fill:none;stroke:var(--ok);stroke-width:5;stroke-dasharray:214;stroke-dashoffset:214;animation:ap-ring .6s ease-out forwards}
.apay-ok path{fill:none;stroke:var(--ok);stroke-width:6;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:60;stroke-dashoffset:60;animation:ap-tk .4s .45s ease-out forwards}
@keyframes ap-ring{to{stroke-dashoffset:0}}@keyframes ap-tk{to{stroke-dashoffset:0}}
/* صفحهٔ پرداخت / پنل */
.pay{text-align:center}.pay .big{font-size:2.2rem;font-weight:800;letter-spacing:.3px}
.pay .copy-row{cursor:pointer;border:1px dashed var(--accent-line);background:var(--accent-soft);border-radius:12px;padding:12px;margin:6px 0 16px;direction:ltr}
.pay .lbl{color:var(--mute);font-size:.9rem;margin:0}
.pay .ok{color:var(--ok)}.pay .bad{color:var(--accent)}
.stat{font-size:2rem;font-weight:800}
.row-in{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}.row-in input{flex:1;min-width:200px;direction:ltr;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:9px 12px;font:inherit}
@media (prefers-reduced-motion:reduce){.apay-loader{animation:none}.apay-loader .a,.apay-loader .c{animation:none;opacity:1;stroke-dashoffset:0}.apay-ok circle,.apay-ok path{animation:none;stroke-dashoffset:0}.splash{display:none}}
:not(pre)>code:empty{display:none}
.waiting span{max-width:20em}