@font-face{font-family:V;src:url(/vazirmatn-arabic-wght-normal.woff2) format("woff2");font-weight:100 900;unicode-range:U+0600-06FF,U+200C-200D,U+FB50-FDFF,U+FE70-FEFF}
@font-face{font-family:V;src:url(/vazirmatn-latin-wght-normal.woff2) format("woff2");font-weight:100 900;unicode-range:U+0000-00FF}
:root{--bg:#f5f0e3;--bg2:#ece5d2;--card:#fffdf8;--ink:#17261d;--ink2:#46564b;--mut:#76857a;--g:#0f4a2b;--g2:#1c6b40;--gs:#dbe9de;--line:#ddd5be;--grid:rgba(15,74,43,.07);--sh:0 24px 50px -24px rgba(15,74,43,.35);--on:#fff}
@media(prefers-color-scheme:dark){:root{--bg:#0e1612;--bg2:#0a110d;--card:#16211b;--ink:#eaf1ec;--ink2:#b3c2b8;--mut:#8a9c91;--g:#6fd29b;--g2:#8fe0b2;--gs:#1d3328;--line:#263a2f;--grid:rgba(111,210,155,.07);--sh:0 24px 50px -24px rgba(0,0,0,.7);--on:#06210f}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:V,system-ui,sans-serif;line-height:1.8}
a{color:inherit}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:5;background:color-mix(in oklab,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:12px;height:62px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;text-decoration:none;color:var(--g)}.brand img{width:38px;height:38px;border-radius:50%}
nav{margin-inline-start:auto;display:flex;gap:22px;font-size:14px;color:var(--ink2)}nav a{text-decoration:none}nav a:hover{color:var(--g)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--g);color:var(--on);border:0;border-radius:12px;padding:11px 22px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer}
.btn.o{background:transparent;color:var(--g);border:1.5px solid var(--g)}
@media(max-width:720px){nav{display:none}header .btn{margin-inline-start:auto}}
.hero{position:relative;overflow:hidden;padding:56px 0 64px}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(75% 75% at 25% 30%,#000,transparent);mask-image:radial-gradient(75% 75% at 25% 30%,#000,transparent);z-index:0}
.hero .wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}}
.tag{display:inline-block;background:var(--gs);color:var(--g);border-radius:20px;padding:4px 14px;font-size:13px;font-weight:700}
h1{font-size:clamp(2rem,1.2rem + 3.6vw,3.6rem);line-height:1.25;margin:14px 0;font-weight:900;letter-spacing:-.5px}h1 em{font-style:normal;color:var(--g)}
.lead{color:var(--ink2);font-size:17px;max-width:520px}.cta{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 14px}
.ticks{display:flex;gap:18px;flex-wrap:wrap;color:var(--mut);font-size:13px;padding:0;list-style:none;margin:0}.ticks li::before{content:"✓ ";color:var(--g);font-weight:800}
.chat{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--sh);display:flex;flex-direction:column;height:560px;overflow:hidden}
.ch{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--bg2)}.ch img{width:32px;height:32px;border-radius:50%}.ch b{font-size:15px}.ch small{color:var(--mut);display:block;font-size:11px;line-height:1.3}
.ch i{margin-inline-start:auto;width:9px;height:9px;border-radius:50%;background:#2fbf71;box-shadow:0 0 0 4px rgba(47,191,113,.2)}
#log{flex:1;overflow:auto;padding:14px}
.m{max-width:90%;padding:9px 14px;border-radius:16px;margin:7px 0;line-height:1.9;font-size:14.5px;white-space:pre-wrap;word-break:break-word}
.u{background:var(--g);color:var(--on);margin-inline-start:auto;border-end-end-radius:4px}.a{background:var(--bg);border:1px solid var(--line);border-end-start-radius:4px}
.sug{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.sug button{background:var(--card);border:1px solid var(--line);color:var(--ink);border-radius:18px;padding:7px 13px;font:inherit;font-size:12.5px;cursor:pointer;text-align:start}.sug button:hover{border-color:var(--g);color:var(--g)}
form{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--line)}
textarea{flex:1;resize:none;height:46px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:11px 12px;font:inherit;font-size:14.5px}textarea:focus{outline:2px solid var(--g);outline-offset:-1px}
form .btn{padding:0 18px}form .btn:disabled{opacity:.5}
section{padding:60px 0}section h2{font-size:clamp(1.5rem,1rem + 2vw,2.2rem);margin:0 0 8px;font-weight:900}section>.wrap>p{color:var(--ink2);margin:0 0 28px;max-width:600px}
.alt{background:var(--bg2)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.grid{grid-template-columns:1fr}}
.tile{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px}.tile svg{width:34px;height:34px;stroke:var(--g);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tile h3{margin:12px 0 4px;font-size:16px}.tile p{margin:0;color:var(--ink2);font-size:13.5px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:s}@media(max-width:720px){.steps{grid-template-columns:1fr}}
.step{counter-increment:s;padding:20px;border-radius:18px;background:var(--card);border:1px solid var(--line)}.step::before{content:counter(s,persian);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--g);color:var(--on);font-weight:800;margin-bottom:10px}.step b{display:block}.step span{color:var(--ink2);font-size:14px}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:10px}summary{cursor:pointer;font-weight:700}details p{margin:8px 0 0;color:var(--ink2);font-size:14.5px}
.warn{border-inline-start:4px solid var(--g);background:var(--gs);border-radius:12px;padding:14px 18px;font-size:14px;color:var(--ink2)}
footer{border-top:1px solid var(--line);padding:26px 0;color:var(--mut);font-size:13px}footer .wrap{display:flex;gap:14px;align-items:center;flex-wrap:wrap}footer img{width:28px;height:28px;border-radius:50%}

/* subpages */
.page{padding:44px 0 70px;max-width:760px}.page h1{font-size:clamp(1.7rem,1.2rem + 2vw,2.5rem);margin:0 0 10px}.page h2{font-size:1.25rem;margin:30px 0 6px}.page p,.page li{color:var(--ink2)}.page ul{padding-inline-start:20px}
.crumb{font-size:13px;color:var(--mut);padding-top:24px}.crumb a{text-decoration:none;color:var(--g)}
.tool{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}@media(max-width:820px){.tool{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px}.panel label{display:block;font-size:13px;color:var(--ink2);margin:12px 0 4px}.panel label:first-child{margin-top:0}
.panel input,.panel select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font:inherit}.panel input:focus,.panel select:focus{outline:2px solid var(--g);outline-offset:-1px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.res{font-size:2rem;font-weight:900;color:var(--g);line-height:1.3}.res small{font-size:.9rem;font-weight:500;color:var(--ink2)}
.kv{display:flex;justify-content:space-between;gap:10px;border-bottom:1px dashed var(--line);padding:7px 0;font-size:14px}.kv b{color:var(--ink)}
.hint{font-size:12.5px;color:var(--mut);margin-top:12px}
.tl{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}@media(max-width:600px){.tl{grid-template-columns:1fr}}.tl a{text-decoration:none}.tl .tile:hover{border-color:var(--g)}
.acct{font-size:13px;color:var(--g);text-decoration:none;border:1px solid var(--line);border-radius:10px;padding:5px 12px;white-space:nowrap}.acct:hover{border-color:var(--g)}
@media(max-width:720px){header .acct{margin-inline-start:auto}header .acct + .btn{margin-inline-start:0}}
.srcs{margin-top:10px;padding:10px 12px;border:1px solid var(--line);border-inline-start:4px solid var(--g);border-radius:10px;background:var(--gs);font-size:12.5px;line-height:1.8;white-space:normal}.srcs ul{margin:4px 0;padding-inline-start:16px}.srcs a{color:var(--g)}.srcs .vf{color:var(--mut)}.srcs .warnc{color:#c27a00}.srcs small{color:var(--mut)}
.srcs .st{color:var(--ink2);margin:2px 0 2px;padding-inline-start:8px;border-inline-start:2px solid var(--line)}