@font-face {
    font-family: samim;
    src: url('https://tavafi.ir/fonts/samim.ttf');
}
@font-face {
  font-family: digitafont;
  src: url('https://tavafi.ir/fonts/DigitalTavafi.ttf'); 
}
*{
    font-family: 'samim','Courier New', Courier, monospace;
    padding: 0px;
    margin: 0px;
}
*{box-sizing:border-box;margin:0;padding:0;font-family:samim,Tahoma,sans-serif}
:root{--pri:#0f766e;--pri2:#0b5c56;--soft:#d9f0ed;--text:#1c2733;--mut:#5f6f7c;--bd:#dde3ea;--bg:#f4f6f8;--card:#fff;--alt:#f1faf9;--h1:#0f766e;--h2:#12303a;--gold:#f5b301;--foot:#12303a;--r:14px;--sh:0 6px 18px rgba(20,40,60,.09)}
body.dark{--pri:#2dd4bf;--pri2:#14b8a6;--soft:#12443f;--text:#e6edf2;--mut:#9aabb8;--bd:#2a3743;--bg:#10171d;--card:#18222b;--alt:#1d2a34;--h1:#134e4a;--h2:#0b1a20;--foot:#0a1217;--sh:0 6px 18px rgba(0,0,0,.5)}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);line-height:1.9;transition:background .3s,color .3s}
a{text-decoration:none;color:var(--pri)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:50;background:linear-gradient(135deg,var(--h1),var(--h2));color:#fff;box-shadow:var(--sh)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:900;font-size:22px}
.brand img{width:44px;height:44px;border-radius:12px;background:#fff;padding:3px}
nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
nav a{color:#e6f4f2;font-size:14px}nav a:hover{color:#fff}
#tg{background:rgba(255,255,255,.15);border:0;color:#fff;width:38px;height:38px;border-radius:50%;font-size:18px;cursor:pointer}
.hero{padding:48px 0 28px}
.hero-card{display:grid;grid-template-columns:1.25fr 1fr;gap:28px;align-items:center;background:var(--card);border:1px solid var(--bd);border-radius:22px;padding:34px;box-shadow:var(--sh)}
.hero h2{font-size:30px;line-height:1.6;margin-bottom:10px}.hero h2 span{color:var(--pri)}
.hero p{color:var(--mut);margin-bottom:14px;text-align:justify}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.badge{background:var(--soft);color:var(--pri);padding:4px 12px;border-radius:99px;font-size:13px;font-weight:700}
.btn{display:inline-block;background:linear-gradient(135deg,var(--pri2),var(--pri));color:#fff;padding:12px 28px;border-radius:12px;font-weight:900;box-shadow:var(--sh);transition:transform .2s}
body.dark .btn.o{
  background:var(--alt);
  color:var(--pri);
  border-color:var(--pri);
  box-shadow:none;
}
body.dark .btn.o:hover{
  background:var(--soft);
  color:var(--pri);
}
.btn:hover{transform:translateY(-2px)}.btn.o{background:var(--alt);color:var(--pri);border:2px solid var(--pri);box-shadow:none;margin-right:8px}
.ver{margin-top:14px;font-size:13px;color:var(--mut)}
.vis{display:flex;justify-content:center}
.vis .frame{width:min(300px,80%);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 35% 30%,var(--soft),transparent 70%),var(--alt);display:grid;place-items:center;box-shadow:inset 0 0 0 2px var(--bd)}
.vis img{width:62%;animation:fl 5s ease-in-out infinite}
@keyframes fl{50%{transform:translateY(-10px) rotate(-3deg)}}
.tip{margin-top:22px;background:var(--soft);border-right:5px solid var(--pri);border-radius:var(--r);padding:16px 20px}
.tip b{color:var(--pri)}
section.s{padding:36px 0}
.s h3{font-size:24px;margin-bottom:6px}.s h3::before{content:"";display:inline-block;width:8px;height:24px;border-radius:4px;background:var(--gold);margin-left:10px;vertical-align:middle}
.sub{color:var(--mut);margin-bottom:22px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:20px;box-shadow:var(--sh);transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:var(--pri)}
.card .ic{font-size:30px;margin-bottom:6px}.card h4{font-size:16px;margin-bottom:4px}.card p{font-size:14px;color:var(--mut);text-align:justify}
.steps{counter-reset:s;display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.step{counter-increment:s;background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:16px 64px 16px 16px;position:relative}
.step::before{content:counter(s);position:absolute;right:14px;top:14px;width:38px;height:38px;border-radius:50%;background:var(--pri);color:var(--card);display:grid;place-items:center;font-weight:900}
.step b{display:block}.step span{font-size:14px;color:var(--mut)}
.flow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center;margin-top:8px}
.flow div{background:var(--card);border:1px dashed var(--pri);border-radius:12px;padding:10px 16px;font-size:14px;font-weight:700}
.flow i{color:var(--pri);font-style:normal;font-size:20px}
.two{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.two ul{margin:8px 20px 0 0;font-size:14px;color:var(--mut)}
.formula{direction:ltr;text-align:center;background:var(--alt);border:1px solid var(--bd);border-radius:12px;padding:12px;margin-top:10px;font-family:Consolas,monospace;font-size:13px}
details{background:var(--card);border:1px solid var(--bd);border-radius:12px;margin-bottom:10px;padding:0 16px}
summary{cursor:pointer;padding:12px 0;font-weight:700}
details p{padding:0 0 14px;color:var(--mut);font-size:14px;text-align:justify}
.cta{text-align:center;background:linear-gradient(135deg,var(--h1),var(--h2));color:#fff;border-radius:22px;padding:36px 20px;margin:20px 0 40px}
.cta h3{margin-bottom:8px;font-size:24px}.cta p{margin-bottom:18px;color:#cfe8e5}
.cta .btn{background:var(--gold);color:#3a2a00}
footer{background:var(--foot);color:#9fb3bd;padding:26px 0;text-align:center;font-size:13px}
footer a{color:#7fe3d6}
.pm{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:999;display:none;align-items:center;justify-content:center}
.pm.open{display:flex}
.pm-box{background:var(--card);color:var(--text);border:1px solid var(--bd);padding:24px;border-radius:16px;width:90%;max-width:360px;box-shadow:0 8px 30px rgba(0,0,0,.4);text-align:center}
.pm-box h3{color:var(--pri);margin-bottom:8px}.pm-box p{font-size:14px;color:var(--mut);margin-bottom:14px}
.pm-box input{width:100%;padding:10px;border:2px solid var(--bd);border-radius:10px;font-size:16px;text-align:center;background:var(--bg);color:var(--text);outline:none}
.pm-box input:focus{border-color:var(--pri)}
.pm-err{display:none;color:#e53935;font-size:13px;margin-top:8px}
.pm-box .btn{margin-top:14px;width:100%;border:0;font-size:16px;cursor:pointer}
.pm-box .btn:disabled{opacity:.6;cursor:wait}
.pm-cancel{margin-top:6px;width:100%;padding:8px;background:transparent;color:var(--mut);border:0;font-size:14px;cursor:pointer}
.dlTip{position:fixed;top:10px;right:40px;z-index:998;display:none;min-width:240px;max-width:300px;background:var(--pri2);color:#fff;padding:12px 16px 16px;border-radius:12px;font-size:17px;box-shadow:0 4px 14px rgba(0,0,0,.35)}
body.dark .dlTip{background:var(--pri);color:#06211e}
.dlTip p{font-size:14px;margin-top:8px}
.dlTip-arrow{position:absolute;top:-10px;right:30px;border-left:10px solid transparent;border-right:10px solid transparent;border-bottom:10px solid var(--pri2)}
body.dark .dlTip-arrow{border-bottom-color:var(--pri)}
.dlTip-track{margin-top:8px;height:8px;background:rgba(255,255,255,.3);border-radius:4px;overflow:hidden}
#progressBar{width:0;height:100%;background:#fff;border-radius:4px}
.dlTip .btn{margin-top:10px;padding:6px 18px;background:#fff;color:var(--pri2);font-size:14px;border:0;cursor:pointer;box-shadow:none}
@media(max-width:820px){.dlTip{right:12px;left:12px;max-width:none}.hero-card{grid-template-columns:1fr;padding:22px}.vis{order:-1}.hero h2{font-size:24px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.two .card ul li{margin-bottom:6px;text-align:justify}.two .card ul b{color:var(--text)}