:root{--bg:#050806;--ink:#E8EEE9;--muted:#9AA89F;--line:#1F2D24;--teal:#5FBF7A;--ochre:#D79A55;--panel:#0A100C;--card:#101A14;--on-teal:#050806;color-scheme:dark;
--head:"Instrument Serif",Georgia,serif;--body:"Public Sans",system-ui,sans-serif;--fa:"Vazirmatn",Tahoma,"Segoe UI",sans-serif;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.7 var(--body)}
html[lang=fa] body{font-family:var(--fa);line-height:1.95}
a{color:inherit}:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.wrap{max-width:70rem;margin-inline:auto;padding-inline:1.5rem}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-block:1rem}
.logo{font:400 1.75rem/1 var(--head);text-decoration:none}
nav{display:flex;gap:1.25rem;flex-wrap:wrap;align-items:center;font-size:.95rem}
nav a{text-decoration:none;color:var(--muted);padding-block:.25rem;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current]{color:var(--ink);border-color:var(--ochre)}
#lang{font:inherit;font-size:.9rem;color:var(--ink);text-decoration:none;border:1px solid var(--line);border-radius:999px;height:2.1rem;padding:0 .9rem;line-height:2.1rem;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;vertical-align:middle}
#lang:hover{border-color:var(--teal);color:var(--teal)}
h1,h2{font-family:var(--head);font-weight:400;margin:0}
html[lang=fa] h1,html[lang=fa] h2{font-family:var(--fa);font-weight:800}
h1{font-size:clamp(2.8rem,7vw,5.4rem);line-height:1.04;letter-spacing:-.01em}
html[lang=fa] h1{font-size:clamp(2.2rem,6vw,4rem);line-height:1.4;letter-spacing:0}
h2{font-size:clamp(1.9rem,4vw,2.8rem);line-height:1.15;margin-bottom:1rem}
html[lang=fa] h2{font-size:clamp(1.5rem,3.4vw,2.2rem);line-height:1.5}
section{padding-block:clamp(3rem,8vw,6rem)}
.sub{color:var(--muted);margin:0 0 1.5rem;max-width:36rem}
.btns{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:2rem}
.btn{display:inline-block;text-decoration:none;padding:.75rem 1.5rem;border-radius:.25rem;font-weight:600;border:1px solid var(--ink)}
.btn.p{background:var(--ink);color:var(--bg)}.btn.p:hover{background:var(--teal);border-color:var(--teal)}
.btn.s:hover{border-color:var(--teal);color:var(--teal)}

.ph{position:relative;display:grid;place-items:center;background:var(--panel);border:1px dashed var(--line);border-radius:.5rem;overflow:hidden;color:var(--muted);font-size:.85rem;text-align:center;padding:1rem;direction:ltr}
.ph::before{content:attr(data-file)}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

.hero{display:grid;gap:2.5rem;align-items:center;padding-block:clamp(2.5rem,7vw,5.5rem)}
.hero .ph{aspect-ratio:1/1;max-height:32rem;width:100%}
.hero .tag{font-size:1.2rem;margin:1.25rem 0 .25rem;font-weight:600}
@media(min-width:56rem){.hero{grid-template-columns:1.1fr .9fr}}

.cols{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
.cols>div{border-inline-start:3px solid var(--teal);padding-inline-start:1rem}
.cols h3{margin:0 0 .3rem;font-size:1.15rem}.cols p{margin:0;color:var(--muted)}

.feat{background:var(--panel)}
.feat .intro{max-width:46rem}
.shots{display:grid;gap:1rem;margin-block:2.5rem;grid-template-columns:1fr}
.shots .ph{aspect-ratio:16/9}

.feat .cols>div{border-color:var(--ochre)}

.phil{text-align:center}
.phil h2{font-size:clamp(2.4rem,6vw,4.4rem);max-width:16ch;margin-inline:auto;margin-bottom:1.5rem}
html[lang=fa] .phil h2{font-size:clamp(1.9rem,5vw,3.2rem);max-width:20ch}
.phil p{max-width:38rem;margin:0 auto;color:var(--muted);font-size:1.2rem}
.phil{padding-block:clamp(5rem,14vw,10rem)}

.cards{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));margin-block:2rem}
.cards .ph{aspect-ratio:4/3;margin-bottom:.9rem}
.cards h3{margin:0 0 .2rem;font-size:1.15rem}.cards p{margin:0;color:var(--muted)}

.cta{text-align:center}
.cta .sub{margin-inline:auto}
footer{color:var(--muted);font-size:.9rem}
footer .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-block:1.75rem}

.ph:has(img){border-color:transparent}
.sm .ph{aspect-ratio:16/9;margin-block:2rem}
.flow{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin:1.5rem 0;font-weight:600}
.flow span{padding:.35rem .9rem;border:1px solid var(--line);border-radius:999px;background:var(--panel)}
.flow i{color:var(--ochre);font-style:normal}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;padding:0;list-style:none;margin:1.25rem 0 0}
.chips li{padding:.3rem .8rem;border:1px solid var(--line);border-radius:.25rem;font-size:.95rem;background:var(--bg)}
.note{border-inline-start:3px solid var(--ochre);padding-inline-start:1rem;color:var(--muted);max-width:46rem}
.sm section+section{border-top:1px solid var(--line)}
.sm .legal p{margin:0 0 .8rem;color:var(--muted)}

.shot{margin:2rem 0 0}
.shot img{display:block;width:100%;max-width:var(--w,100%);height:auto;border:1px solid var(--line);border-radius:.5rem}
.shot.c img{margin-inline:auto}
.shot figcaption{margin-top:.6rem;color:var(--muted);font-size:.875rem}
.duo{display:grid;gap:2rem;align-items:start;margin-top:1.5rem}
.duo .shot{margin:0}
@media(min-width:56rem){.duo{grid-template-columns:minmax(0,1fr) auto}.duo .shot img{width:var(--w)}}
.soc{display:flex;gap:1.25rem}.soc a{color:var(--muted)}.soc a:hover{color:var(--teal)}
.chan{display:block;text-decoration:none;padding:1.5rem;border:1px solid var(--line);border-radius:.5rem;background:var(--panel)}.chan:hover{border-color:var(--teal)}.chan strong{display:block;font-size:1.3rem}.chan .h{display:block;color:var(--teal);font-weight:600;margin:.15rem 0 .5rem}.chan p{margin:0;color:var(--muted)}
.chans{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));margin-top:2rem}

footer .fgrid{display:grid;gap:2rem;grid-template-columns:1fr 1fr;padding-block:3rem 2rem}
footer .fgrid>div:first-child{grid-column:1/-1}
footer h4{margin:0 0 .75rem;color:var(--ink);font-size:1rem}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.4rem}
footer a{text-decoration:none}footer a:hover{color:var(--teal)}
footer .logo{color:var(--ink);font-size:1.6rem}
footer .fgrid p{margin:.5rem 0 0;max-width:22rem}
footer .fbar{border-top:1px solid var(--line);padding-block:1.25rem 1.75rem;font-size:.85rem}
@media(min-width:48rem){footer .fgrid{grid-template-columns:2fr 1fr 1fr 1fr}footer .fgrid>div:first-child{grid-column:auto}}
.soc{display:flex;gap:1.25rem}
.faq{max-width:46rem;margin-top:2rem;border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:1rem 0}.faq summary{cursor:pointer;font-weight:600}.faq p{margin:.6rem 0 0;color:var(--muted)}
.doc{max-width:46rem}.doc h2{font:600 1.25rem/1.4 var(--body);margin:2rem 0 .4rem}.doc p{margin:0 0 .8rem;color:var(--muted)}.doc .upd{font-size:.9rem}
mark{background:#F3D56B;color:#1E2B22;padding:0 .2rem;border-radius:.15rem}

.btn.p{background:var(--teal);color:var(--on-teal);border-color:var(--teal)}.btn.p:hover{background:var(--teal);filter:brightness(1.12);border-color:var(--teal)}
.btn.s{color:var(--ink)}
.hero .ph,.shot img{box-shadow:0 10px 40px rgba(0,0,0,.35)}
footer nav{display:block;gap:0;font-size:inherit}
footer nav a{color:inherit;padding:0;border:0}
footer .soc{display:flex;gap:1.25rem;margin-top:1rem}
footer .soc a{display:inline-flex;align-items:center;gap:.45rem;color:var(--muted)}
footer .soc a:hover{color:var(--ink)}
footer .ic{width:1.15rem;height:1.15rem;flex:none}

body{background:var(--bg)}
.feat{background:var(--panel)}
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js .rv.in{opacity:1;transform:none}
@keyframes up{from{opacity:0;transform:translateY(22px)}}
@keyframes float{50%{transform:translateY(-10px)}}
.hero>div:first-child>*{animation:up .9s cubic-bezier(.2,.7,.2,1) both}
.hero>div:first-child>*:nth-child(2){animation-delay:.12s}.hero>div:first-child>*:nth-child(3){animation-delay:.24s}.hero>div:first-child>*:nth-child(4){animation-delay:.36s}
.hero .ph{animation:up 1s .25s cubic-bezier(.2,.7,.2,1) both,float 8s 1.5s ease-in-out infinite}
@media(prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}.hero *{animation:none!important}}
.chan,.prod,.ph{background:var(--card)}

html[data-theme="light"]{--bg:#F6F4EE;--ink:#1E2B22;--muted:#5B6A60;--line:#D8D7CA;--teal:#2D6A30;--ochre:#A8622C;--panel:#ECEBE0;--card:#FBFAF6;--on-teal:#FFFFFF;color-scheme:light}
#theme{display:inline-flex;align-items:center;justify-content:center;width:2.1rem;height:2.1rem;border:1px solid var(--line);border-radius:999px;background:none;color:var(--ink);cursor:pointer;padding:0}
#theme:hover{border-color:var(--teal)}
#theme svg{width:1.1rem;height:1.1rem;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
#theme .moon{display:none}
html[data-theme="light"] #theme .sun{display:none}
html[data-theme="light"] #theme .moon{display:block}

h1,h2{text-wrap:balance}
.phil h2,html[lang=fa] .phil h2{max-width:none}

/* ===== logo ===== */
.logo{display:inline-flex;align-items:center;gap:.5rem}
.logo img{width:30px;height:30px;display:block;position:relative;top:1px}
.logo .ic-light{display:none}
html[data-theme="dark"] .logo .ic-dark,
html:not([data-theme="light"]) .logo .ic-dark{display:none}
html[data-theme="dark"] .logo .ic-light,
html:not([data-theme="light"]) .logo .ic-light{display:block}

/* ===== sticky header + tools + mobile ===== */
header{position:sticky;top:0;z-index:50;background:var(--bg);transition:transform .3s ease,box-shadow .3s ease;box-shadow:0 1px 0 var(--line)}
header.scrolled{box-shadow:0 1px 0 var(--line),0 10px 30px -15px rgba(0,0,0,.25)}
html[data-theme="light"] header.scrolled{box-shadow:0 1px 0 var(--line),0 10px 30px -15px rgba(0,0,0,.08)}
header.hide{transform:translateY(-100%)}
header .wrap{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1rem}
header .logo{justify-self:start}
header nav{justify-self:center}
header .tools{justify-self:end;display:flex;align-items:center;gap:.5rem}
@media(max-width:48rem){
  header .wrap{grid-template-columns:1fr auto;grid-template-areas:"logo tools" "nav nav";gap:.5rem 1rem;padding-block:1rem}
  header .logo{grid-area:logo;justify-self:start}
  header .tools{grid-area:tools;justify-self:end}
  header nav{grid-area:nav;justify-self:center;flex-wrap:wrap;justify-content:center}
}

/* ===== keep header layout fixed in RTL (desktop only) ===== */
@media(min-width:48.01rem){
  html[dir="rtl"] header .wrap{grid-template-columns:auto 1fr auto;grid-template-areas:none;direction:ltr}
  html[dir="rtl"] header .logo{grid-area:auto;justify-self:start}
  html[dir="rtl"] header nav{grid-area:auto;justify-self:center}
  html[dir="rtl"] header .tools{grid-area:auto;justify-self:end}
  html[dir="rtl"] header nav{direction:rtl}
  html[dir="rtl"] header .tools{direction:ltr}
}
@media(max-width:48rem){
  html[dir="rtl"] header .wrap{direction:ltr}
  html[dir="rtl"] header .logo{justify-self:start}
  html[dir="rtl"] header .tools{justify-self:end}
  html[dir="rtl"] header nav{direction:rtl}
}

/* ===== only-desk / only-mob ===== */
.only-mob{display:none}
@media(max-width:48rem){
  .only-desk{display:none}
  .only-mob{display:inline}
}

/* ===== back to top button ===== */
.totop{position:fixed;right:1.5rem;bottom:1.5rem;width:2.75rem;height:2.75rem;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;display:grid;place-items:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s,transform .3s,visibility .3s;z-index:40}
.totop.show{opacity:1;visibility:visible;transform:none}
.totop:hover{border-color:var(--teal);color:var(--teal)}
.totop svg{width:1.25rem;height:1.25rem}
html[dir="rtl"] .totop{right:auto;left:1.5rem}

/* ===== footer ===== */
footer{background:var(--panel);box-shadow:0 -10px 30px -15px rgba(0,0,0,.25)}
html[data-theme="light"] footer{background:var(--card);box-shadow:0 -10px 30px -15px rgba(0,0,0,.08)}

/* ===== pricing plans ===== */
.plans{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));margin-top:2rem}
@media(min-width:64rem){.plans{grid-template-columns:repeat(4,1fr)}}
.plan{position:relative;padding:1.5rem 1rem;border:1px solid var(--line);border-radius:.5rem;background:var(--card);text-align:center;display:flex;flex-direction:column;gap:.5rem;min-height:17rem;transition:transform .3s,border-color .3s,box-shadow .3s}
.plan:hover{transform:scale(1.05);border-color:var(--teal);box-shadow:0 10px 30px -10px rgba(0,0,0,.4);z-index:2}
.plan h3{margin:0;font-size:1.1rem;font-weight:600;color:var(--ink)}
.plan .price{display:flex;align-items:baseline;justify-content:center;gap:.4rem;margin:.5rem 0 0;font-family:var(--head);font-size:2.2rem;line-height:1}
html[lang=fa] .plan .price{font-family:var(--fa);font-weight:800}
.plan .was{font-size:1rem;color:var(--muted);text-decoration:line-through;opacity:.7}
.plan .cur{font-size:.9rem;color:var(--muted);font-weight:400}
.plan .permo{margin:0;font-size:.85rem;color:var(--muted)}
.plan .save{margin:.25rem 0 .75rem;font-size:.85rem;color:var(--ochre);font-weight:600;min-height:1.2em}
.plan .btn{margin-top:auto;width:100%}
.plan.pop{border-color:var(--teal);border-width:2px;box-shadow:0 0 0 4px color-mix(in srgb,var(--teal) 12%,transparent);transform:scale(1.05);z-index:1}
.plan.pop:hover{transform:scale(1.08)}
.plans:hover .plan.pop:not(:hover){transform:scale(1)}
.plan .badge{position:absolute;top:-.75rem;left:50%;transform:translateX(-50%);background:var(--teal);color:var(--on-teal);font-size:.75rem;font-weight:700;padding:.25rem .75rem;border-radius:999px;white-space:nowrap}

/* ===== buy dialog ===== */
.buybox{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:1.5rem;background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}
.buybox.open{display:flex}
.buybox .inner{position:relative;max-width:32rem;width:100%;background:var(--card);border:1px solid var(--line);border-radius:.75rem;padding:2rem;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.buybox h3{margin:0 0 .75rem;font-size:1.4rem}
.buybox .plan-name{display:inline-block;background:var(--panel);border:1px solid var(--line);border-radius:.25rem;padding:.25rem .75rem;font-size:.9rem;font-weight:600;color:var(--teal);margin-bottom:1rem}
.buybox ol{margin:0 0 1.5rem;padding-inline-start:1.2rem;color:var(--muted)}
.buybox ol li{margin-bottom:.5rem}
.buybox .close{position:absolute;top:.75rem;inset-inline-end:.75rem;width:2rem;height:2rem;border:0;background:none;color:var(--muted);font-size:1.5rem;cursor:pointer;line-height:1;border-radius:.25rem}
.buybox .close:hover{color:var(--ink);background:var(--panel)}
header nav a{display:inline-flex;align-items:center;height:2rem;line-height:1;box-sizing:border-box}
header nav{line-height:1;height:2rem;align-items:center}
.plan .off{position:absolute;top:-.7rem;inset-inline-start:-.4rem;background:none;color:var(--teal);font-size:.85rem;font-weight:700;padding:0;box-shadow:none;z-index:3;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.plan .off{display:none}
.plan .save{font-size:.85rem}
@media(max-width:48rem){
  header nav{gap:.75rem;font-size:.9rem}
}
.duo-grid{display:grid;gap:1.25rem;margin-top:2rem}
@media(min-width:48rem){.duo-grid{grid-template-columns:1fr 1fr}}
/* ===== wallets in buy dialog ===== */
.wallets{display:grid;gap:.75rem;margin-top:.75rem}
.wallet{display:flex;flex-direction:column;gap:.4rem}
.wallet .net{font-size:.85rem;font-weight:700;color:var(--teal)}
.wallet .row{display:flex;align-items:center;gap:.5rem;min-width:0}
.wallet .addr{flex:1;min-width:0;text-align:start;font:inherit;font-size:.78rem;background:var(--panel);border:1px solid var(--line);border-radius:.25rem;padding:.5rem .7rem;color:var(--ink);cursor:pointer;transition:border-color .2s,background .2s;overflow:hidden}
.wallet .addr bdi{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;direction:ltr}
.wallet .addr:hover{border-color:var(--teal)}
.wallet .addr.copied{background:var(--teal);color:var(--on-teal);border-color:var(--teal)}
.wallet .qr{width:56px;height:56px;border-radius:.25rem;background:#fff;padding:2px;border:1px solid var(--line);flex:none;object-fit:contain;cursor:pointer}

@media(max-width:30rem){
  .buybox{padding:.5rem}
  .buybox .inner{padding:1rem}
  .buybox ol{padding-inline-start:1rem}
  .wallet .qr{width:40px;height:40px}
  .wallet .addr{font-size:.64rem;padding:.4rem .5rem}
}
/* ===== language menu ===== */
.lang-menu{position:relative;display:inline-flex}
.lang-menu button{font:inherit;font-size:.9rem;color:var(--ink);background:none;border:1px solid var(--line);border-radius:999px;height:2.1rem;padding:0 .9rem;line-height:2.1rem;box-sizing:border-box;display:inline-flex;align-items:center;gap:.4rem;cursor:pointer}
.lang-menu button:hover{border-color:var(--teal);color:var(--teal)}
.lang-menu button svg{width:.7rem;height:.7rem;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.lang-menu ul{position:absolute;top:calc(100% + .4rem);inset-inline-end:0;min-width:10rem;background:var(--card);border:1px solid var(--line);border-radius:.5rem;box-shadow:0 10px 30px rgba(0,0,0,.4);list-style:none;margin:0;padding:.4rem;display:none;z-index:60}
.lang-menu ul.open{display:block}
.lang-menu ul li a{display:block;padding:.5rem .8rem;color:var(--ink);text-decoration:none;border-radius:.25rem;font-size:.9rem;white-space:nowrap}
.lang-menu ul li a:hover{background:var(--panel);color:var(--teal)}
.lang-menu ul li a[aria-current]{color:var(--teal);font-weight:600}

/* ===== languages page ===== */
.lang-list{list-style:none;padding:0;margin:0;display:grid;gap:.75rem}
.lang-list a{display:flex;align-items:center;gap:.75rem;padding:1rem 1.25rem;border:1px solid var(--line);border-radius:.5rem;background:var(--card);color:var(--ink);text-decoration:none;font-size:1.05rem;transition:border-color .2s,background .2s}
.lang-list a:hover{border-color:var(--teal);background:var(--panel)}