:root{--bg:#101016;--card:#191922;--surf:#22222E;--acc:#C6FF5E;--txt:#F7F7FB;--mut:#A2A2B5;--bd:#30303C;--r:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--txt);font:500 1rem/1.6 "Manrope","Noto Sans Arabic","Noto Sans Devanagari","Noto Sans Bengali","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:-.005em;-webkit-font-smoothing:antialiased}
h1,h2,h3,legend,.logo,.btn,.price,summary,.tab,.chip,label,input,select,textarea,button{font-family:inherit}
h1{font-size:clamp(2.8rem,10vw,5.6rem);line-height:1;letter-spacing:-.05em;margin:0 0 1rem;font-weight:800}
h2{font-size:clamp(1.8rem,5vw,2.8rem);line-height:1.1;letter-spacing:-.035em;margin:0 0 1rem;max-width:18ch;font-weight:800}
h3{margin:0 0 .4rem;font-size:1.15rem;font-weight:700;letter-spacing:-.02em}p{margin:0 0 .8rem}
a{color:inherit}:focus-visible{outline:3px solid var(--acc);outline-offset:3px}
.skip{position:absolute;left:-999px;background:var(--acc);color:#101016;padding:.5rem 1rem;z-index:99}.skip:focus{left:1rem;top:1rem}
.muted{color:var(--mut);font-size:.9rem}
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:.8rem 1.2rem;background:rgba(16,16,22,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--bd);flex-wrap:wrap}
.logo{display:flex;gap:.5rem;align-items:center;font-weight:800;font-size:1.3rem;letter-spacing:-.03em;text-decoration:none}
.links{display:none;width:100%;flex-direction:column;gap:.2rem;padding-top:.6rem}.links.open{display:flex}
.links a{padding:.5rem 0;text-decoration:none;color:var(--mut)}.links a:hover{color:var(--txt)}.links a.btn{color:#101016;text-align:center}
.menu-btn{background:var(--surf);color:var(--txt);border:1px solid var(--bd);border-radius:99px;padding:.4rem 1rem;font:inherit;cursor:pointer}
.btn{display:inline-block;background:var(--acc);color:#101016;border:0;border-radius:99px;padding:.85rem 1.5rem;font-weight:700;font-size:1rem;letter-spacing:-.01em;text-decoration:none;cursor:pointer;transition:transform .15s,opacity .15s}
.btn:hover{transform:translateY(-2px)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn.ghost{background:transparent;color:var(--txt);border:1px solid var(--bd)}.btn.small{padding:.45rem 1rem;font-size:.9rem}.btn.wide{width:100%;text-align:center;margin-top:.8rem}
main>section{max-width:1100px;margin:0 auto}.section{padding:3.5rem 1.2rem}
.hero{display:grid;gap:2rem;padding:3rem 1.2rem}.cta{display:flex;gap:.8rem;flex-wrap:wrap}
.sub{font-size:1.2rem;color:var(--mut);max-width:34ch}
.hero h1{animation:rise .8s cubic-bezier(.2,.8,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(24px)}}
.demo,.panel,.cards article,details{background:var(--card);border:1px solid var(--bd);border-radius:var(--r)}
.demo{padding:1.2rem}
.badge{display:inline-block;background:var(--surf);border:1px solid var(--bd);border-radius:99px;padding:.2rem .8rem;font-size:.8rem;color:var(--mut)}
.badge.live{color:var(--acc);border-color:var(--acc)}.badge.off{color:#ff9b9b;border-color:#ff9b9b}
.chat{display:flex;flex-direction:column;gap:.5rem;margin:.8rem 0}
.bubble{max-width:85%;padding:.6rem .9rem;border-radius:18px;margin:0;font-size:.95rem}
.bubble.them{background:var(--surf);border-end-start-radius:4px}.bubble.me{background:var(--acc);color:#101016;align-self:flex-end;border-end-end-radius:4px}
.samples{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.samples li{background:var(--surf);border-radius:14px;padding:.7rem .9rem;font-size:.92rem}.samples b{display:block;color:var(--acc);font-weight:700;font-size:.85rem}
.steps{list-style:none;padding:0;display:grid;gap:1rem;counter-reset:s}
.steps li{border-inline-start:3px solid var(--acc);padding-inline-start:1rem}.steps li::before{content:attr(data-step);color:var(--acc);font-size:.85rem}
.cards{display:grid;gap:1rem}.cards article{padding:1.4rem}
.plan.hot{border-color:var(--acc)}.price{font-size:2.6rem;font-weight:800;letter-spacing:-.04em;margin:.2rem 0}.price span{font-size:1rem;color:var(--mut);font-weight:600;letter-spacing:0}
.plan ul{padding-inline-start:1.1rem;color:var(--mut)}
.app-head{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}.app-head h2{margin:0}
.warn{background:#2a2616;border:1px solid #5b5224;border-radius:14px;padding:.8rem 1rem;font-size:.9rem;margin:1rem 0}
.grid{display:grid;gap:1rem}.panel{padding:1.2rem}.two{display:grid;gap:.8rem}
label,legend{display:block;font-weight:600;font-size:.9rem;margin:.8rem 0 .3rem}fieldset{border:0;padding:0;margin:0}
input,select,textarea{width:100%;background:var(--surf);color:var(--txt);border:1px solid var(--bd);border-radius:12px;padding:.7rem .8rem;font:inherit}
textarea{resize:vertical}
.tabs{display:flex;gap:.4rem;margin-bottom:1rem}.tab{flex:1;background:var(--surf);color:var(--mut);border:1px solid var(--bd);border-radius:99px;padding:.55rem;cursor:pointer;font-size:.95rem}
.tab{font-weight:600}.tab.on{background:var(--acc);color:#101016;border-color:var(--acc);font-weight:700}
.drop{border:2px dashed var(--bd);border-radius:var(--r);padding:2.2rem 1rem;text-align:center;cursor:pointer;transition:.2s}.drop:hover,.drop.over{border-color:var(--acc);background:var(--surf)}
.preview img{max-width:100%;max-height:340px;border-radius:14px;display:block;margin:0 auto .8rem}.row{display:flex;gap:.6rem;justify-content:center}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{font-weight:600;background:var(--surf);color:var(--txt);border:1px solid var(--bd);border-radius:99px;padding:.45rem 1rem;cursor:pointer;font-size:.92rem}
.chip[aria-pressed=true]{background:var(--acc);color:#101016;border-color:var(--acc);font-weight:700}
#customTone{margin-top:.6rem}
.err{color:#ff9b9b;font-size:.92rem}.err.box{background:#2a1818;border:1px solid #5b2a2a;border-radius:14px;padding:.8rem 1rem}
.loading{display:flex;gap:.7rem;align-items:center;color:var(--mut);padding:1rem 0}
.spin{width:20px;height:20px;border:3px solid var(--bd);border-top-color:var(--acc);border-radius:50%;animation:sp .8s linear infinite}@keyframes sp{to{transform:rotate(360deg)}}
.results{display:grid;gap:1rem;margin-top:1rem}
.res{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:1.2rem;animation:rise .5s both}
.res .tag{color:var(--acc);font-weight:700;font-size:.85rem}.res .msg{font-size:1.1rem;font-weight:500;line-height:1.5;margin:.4rem 0;white-space:pre-wrap}.res .why{color:var(--mut);font-size:.9rem}
.res textarea{margin:.4rem 0}.acts{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.6rem}
.res.busy{opacity:.6;pointer-events:none}
.note{margin-top:1.5rem}
details{padding:1rem 1.2rem;margin-bottom:.6rem}summary{cursor:pointer;font-weight:700;letter-spacing:-.01em}details p{margin:.6rem 0 0;color:var(--mut)}
.foot{border-top:1px solid var(--bd);padding:2rem 1.2rem;text-align:center;color:var(--mut);font-size:.85rem}
.toast{position:fixed;bottom:1.2rem;left:50%;transform:translate(-50%,120px);background:var(--acc);color:#101016;padding:.6rem 1.2rem;border-radius:99px;font-weight:700;transition:transform .25s;z-index:50}.toast.show{transform:translate(-50%,0)}
@media(min-width:760px){.menu-btn{display:none}.links{display:flex;flex-direction:row;width:auto;padding:0;gap:1.4rem;align-items:center}
.hero{grid-template-columns:1.2fr 1fr;align-items:center;padding-top:5rem}.steps,.cards{grid-template-columns:repeat(3,1fr)}.cards{grid-template-columns:repeat(4,1fr)}.cards.three{grid-template-columns:repeat(3,1fr)}
.grid{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr 1fr}.section{padding:5rem 2rem}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.nav-r{display:flex;gap:.5rem;align-items:center}
.langsel{width:auto;border-radius:99px;padding:.4rem .8rem;font-size:.9rem;font-weight:600;cursor:pointer}
.bubble.me{align-self:flex-end}
:lang(ar) *,:lang(hi) *,:lang(bn) *,:lang(zh) *{letter-spacing:0!important}
:lang(ar) h1,:lang(hi) h1,:lang(bn) h1,:lang(zh) h1{line-height:1.2}
[dir=rtl] .tag,[dir=rtl] .msg,[dir=rtl] .why{text-align:start}
[dir=rtl] .skip{left:auto;right:-999px}[dir=rtl] .skip:focus{right:1rem}
@media(min-width:760px){.nav-r{order:3}}

[hidden]{display:none!important}