/* Landing + auth. Sections breathe: 8px grid, 96px section rhythm. */
.nav{position:sticky;top:16px;z-index:80;margin:16px auto 0;width:min(1200px,100% - 32px)}
.nav-in{display:flex;align-items:center;gap:24px;padding:8px 8px 8px 24px;border-radius:999px}
.nav-links{display:flex;gap:8px;margin-left:24px}
.nav-links a{padding:8px 16px;border-radius:999px;color:var(--t2);font-size:var(--fs-s);font-weight:500;transition:all .18s}
.nav-links a:hover{color:var(--t1);background:rgba(255,255,255,.08)}
.nav-cta{margin-left:auto;display:flex;gap:8px;align-items:center}
.nav-toggle{display:none}
section{padding:96px 0;position:relative}
.eyebrow{display:inline-flex;margin-bottom:16px}
.sec-h{max-width:720px;margin:0 auto 64px;text-align:center}
.sec-h h2{font-size:var(--fs-3xl);margin-bottom:16px}
.sec-h p{font-size:var(--fs-l);color:var(--t2)}

/* hero */
.hero{padding:64px 0 96px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(2.441rem,5.2vw,3.815rem);letter-spacing:-.035em;margin:24px 0}
.hero .lead{font-size:var(--fs-l);color:var(--t2);max-width:560px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin:32px 0}
.hero-proof{display:flex;gap:24px;flex-wrap:wrap;color:var(--t2);font-size:var(--fs-s)}
.hero-proof span{display:inline-flex;align-items:center;gap:8px}
.hero-proof .ic{color:var(--ok)}
.hero-visual{position:relative;display:grid;place-items:center;min-height:640px}
.hero-visual::before{content:"";position:absolute;width:min(420px,90vw);height:min(420px,90vw);border-radius:50%;background:radial-gradient(closest-side,rgba(255,194,51,.32),transparent);filter:blur(20px)}
.hphone{position:relative;width:320px;height:640px;padding:12px;border-radius:48px;background:linear-gradient(160deg,#2f3b78,#0e1638);border:1px solid rgba(255,255,255,.22);box-shadow:var(--sh-2),0 40px 100px rgba(3,8,30,.6),0 0 0 8px rgba(255,255,255,.04)}
.hphone::before{content:"";position:absolute;top:20px;left:50%;transform:translateX(-50%);width:92px;height:24px;border-radius:99px;background:#050a1c;z-index:5}
.hscreen{position:relative;width:100%;height:100%;border-radius:38px;overflow:hidden;background:linear-gradient(180deg,#131f52,#0a1230)}
.ms{position:absolute;inset:0;padding:64px 20px 24px;display:flex;flex-direction:column;align-items:center;text-align:center;opacity:0;transform:translateY(14px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
.ms.on{opacity:1;transform:none}
.ms .mb{display:flex;align-items:center;gap:12px;align-self:stretch;padding:12px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid var(--line-soft);text-align:left;margin-bottom:24px}
.ms .mb i{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font:800 var(--fs-l) var(--f-head);background:linear-gradient(180deg,#ffd35e,#ff9f1c);color:var(--gold-ink);font-style:normal}
.ms .mb b{display:block;font-size:var(--fs-s)} .ms .mb small{color:var(--t3);font-size:var(--fs-xs)}
.ms h4{font-size:var(--fs-l);margin-bottom:8px} .ms p.s{color:var(--t2);font-size:var(--fs-s)}
.mstars{display:flex;gap:4px;margin:24px 0 8px}
.mstars .ic{width:40px;height:40px;color:rgba(255,255,255,.2);transition:color .2s,transform .3s var(--ease),filter .2s}
.mstars .ic.on{color:var(--gold);transform:scale(1.12);filter:drop-shadow(0 0 10px rgba(255,194,51,.6))}
.mrev{align-self:stretch;text-align:left;padding:16px;border-radius:16px;background:rgba(6,11,32,.55);border:1px solid var(--line);font-size:var(--fs-s);line-height:1.55;min-height:132px;margin-top:16px;color:var(--t1)}
.mrev .stars-row{display:flex;margin-bottom:8px;font-size:14px}
.mcta{align-self:stretch;margin-top:auto;height:52px;border-radius:99px;display:grid;place-items:center;font:700 var(--fs-m) var(--f-head);color:var(--gold-ink);background:linear-gradient(180deg,#ffd35e,#ff9f1c);box-shadow:0 8px 24px rgba(255,159,28,.35)}
.mchips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:16px}
.mchips span{padding:4px 12px;border-radius:99px;background:rgba(255,255,255,.08);border:1px solid var(--line-soft);font-size:var(--fs-xs);color:var(--t2)}
.mchips span.on{background:rgba(255,194,51,.16);border-color:var(--gold);color:#ffe7a6}
.mok{width:88px;height:88px;border-radius:50%;margin:48px 0 24px;display:grid;place-items:center;background:linear-gradient(180deg,#ffd35e,#ff9f1c);color:var(--gold-ink);box-shadow:0 0 0 12px rgba(255,194,51,.14),0 12px 40px rgba(255,159,28,.4)}
.mok .ic{width:44px;height:44px;stroke-width:2.6}
.float{position:absolute;z-index:6;display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:18px;font-size:var(--fs-s);font-weight:600;animation:bob 6s ease-in-out infinite}
.float .fi{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:rgba(255,194,51,.18);color:var(--gold)}
.float small{display:block;font-weight:400;color:var(--t3);font-size:var(--fs-xs)}
.float.f1{top:80px;left:-32px}
.float.f2{bottom:160px;right:-40px;animation-delay:-2s}
.float.f2 .fi{background:rgba(255,107,127,.16);color:var(--bad)}
.float.f3{bottom:48px;left:-16px;animation-delay:-4s}
.float.f3 .fi{background:rgba(61,220,151,.16);color:var(--ok)}
@keyframes bob{50%{transform:translateY(-10px)}}

/* trust strip */
.strip{padding:0 0 48px}
.strip-in{display:flex;gap:16px 40px;justify-content:center;flex-wrap:wrap;color:var(--t3);font-size:var(--fs-s);font-weight:500}
.strip-in span{display:inline-flex;align-items:center;gap:8px}

/* how it works */
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s}
.st{padding:32px 24px;display:grid;gap:16px;align-content:start}
.st .num{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;font:800 var(--fs-l) var(--f-head);background:linear-gradient(180deg,#ffd35e,#ff9f1c);color:var(--gold-ink);box-shadow:0 1px 0 rgba(255,255,255,.55) inset,0 8px 22px rgba(255,159,28,.3)}
.st h3{font-size:var(--fs-xl)} .st p{color:var(--t2)}
.st .time{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-weight:600;font-size:var(--fs-s)}

/* live demo */
.demo-grid{display:grid;grid-template-columns:auto 1fr;gap:64px;align-items:center}
.demo-phone{width:340px;height:700px;padding:12px;border-radius:48px;background:linear-gradient(160deg,#2f3b78,#0e1638);border:1px solid rgba(255,255,255,.22);box-shadow:var(--sh-2),0 40px 100px rgba(3,8,30,.6);position:relative}
.demo-phone::before{content:"";position:absolute;top:20px;left:50%;transform:translateX(-50%);width:92px;height:24px;border-radius:99px;background:#050a1c;z-index:2}
.demo-phone iframe{width:100%;height:100%;border:0;border-radius:38px;background:var(--ink-900)}
.call{display:flex;gap:16px;padding:24px;margin-bottom:16px}
.call .ci{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;flex:none;background:rgba(255,194,51,.16);color:var(--gold)}
.call.bad .ci{background:rgba(255,107,127,.16);color:var(--bad)}
.call h4{font-size:var(--fs-l);margin-bottom:4px} .call p{color:var(--t2);font-size:var(--fs-s)}

/* features */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feat{padding:24px;display:grid;gap:8px;align-content:start;transition:transform .25s var(--ease),border-color .25s}
.feat:hover{transform:translateY(-4px);border-color:rgba(255,194,51,.4)}
.feat .fi{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:rgba(255,194,51,.14);color:var(--gold);margin-bottom:8px}
.feat h3{font-size:var(--fs-l)} .feat p{color:var(--t2);font-size:var(--fs-s)}
.feat.wide{grid-column:span 2}

/* chatbot showcase */
.bot-show{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.bot-show ul{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:16px}
.bot-show li{display:flex;gap:16px;color:var(--t2)} .bot-show li .ic{color:var(--ok);margin-top:4px}
.chat-mock{padding:24px;display:grid;gap:8px;max-width:520px;width:100%;margin-inline:auto}
.chat-mock .msg{animation:none;opacity:0;transform:translateY(8px);transition:all .4s var(--ease)}
.chat-mock .msg.in{opacity:1;transform:none}
.chat-mock .msg{max-width:88%;padding:12px 16px;border-radius:18px;font-size:var(--fs-s);line-height:1.5}
.chat-mock .msg.bot{background:rgba(255,255,255,.09);border:1px solid var(--line-soft);border-bottom-left-radius:6px;justify-self:start}
.chat-mock .msg.me{background:linear-gradient(180deg,#ffd35e,#ffb21e);color:var(--gold-ink);font-weight:500;border-bottom-right-radius:6px;justify-self:end}
.chat-mock .quote{margin-top:8px;padding:12px;border-radius:12px;background:rgba(6,11,32,.5);border:1px solid var(--line-soft)}

/* faq */
.faq{max-width:800px;margin:0 auto;display:grid;gap:8px}
.faq details{border-radius:var(--r-m);padding:0 24px;background:rgba(255,255,255,.055);border:1px solid var(--line-soft);transition:border-color .2s}
.faq details[open]{border-color:rgba(255,194,51,.4);background:rgba(255,255,255,.08)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;font:600 var(--fs-m) var(--f-head)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ic{transition:transform .25s}
.faq details[open] summary .ic{transform:rotate(180deg)}
.faq details p{padding:0 0 24px;color:var(--t2)}

/* final cta + footer */
.final{padding:64px 32px;text-align:center;display:grid;gap:24px;justify-items:center;overflow:hidden}
.final h2{font-size:var(--fs-3xl);max-width:720px}
.footer{padding:48px 0 64px;border-top:1px solid var(--line-soft);color:var(--t3);font-size:var(--fs-s)}
.footer-in{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between;align-items:center}
.footer nav{display:flex;gap:24px;flex-wrap:wrap}
.footer a:hover{color:var(--t1)}

/* reveal */
.rvl{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rvl.in{opacity:1;transform:none}
.no-js .rvl{opacity:1;transform:none}

/* ---------- auth ---------- */
.auth{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.auth-side{display:flex;flex-direction:column;justify-content:space-between;gap:48px;padding:48px 64px}
.auth-side h1{font-size:var(--fs-3xl);margin:24px 0}
.auth-points{list-style:none;margin:32px 0 0;padding:0;display:grid;gap:16px}
.auth-points li{display:flex;gap:16px;align-items:flex-start;color:var(--t2)}
.auth-points .ic{color:var(--gold);width:24px;height:24px;margin-top:2px}
.auth-main{display:grid;place-items:center;padding:32px 16px}
.auth-card{width:min(480px,100%);padding:32px}
.tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border-radius:999px;background:rgba(6,11,32,.5);border:1px solid var(--line);margin-bottom:24px}
.tabs button{min-height:44px;border-radius:999px;border:0;background:none;color:var(--t2);font-weight:600;transition:all .2s var(--ease)}
.tabs button[aria-selected=true]{background:linear-gradient(180deg,#ffd35e,#ff9f1c);color:var(--gold-ink);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 4px 14px rgba(255,159,28,.3)}
.plan-pick{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.plan-pick button{position:relative;display:grid;gap:0;justify-items:center;padding:12px 8px;min-height:72px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.05);transition:all .18s var(--ease)}
.plan-pick button b{font:800 var(--fs-l) var(--f-head)} .plan-pick button span{font-size:var(--fs-xs);color:var(--t2)}
.plan-pick button em{position:absolute;top:-10px;padding:0 8px;border-radius:99px;background:var(--gold);color:var(--gold-ink);font:700 .64rem var(--f-body);font-style:normal;letter-spacing:.04em;text-transform:uppercase}
.plan-pick button.on{border-color:var(--gold);background:rgba(255,194,51,.14);box-shadow:0 0 0 4px rgba(255,194,51,.12)}
.or{display:flex;align-items:center;gap:16px;margin:24px 0;color:var(--t3);font-size:var(--fs-s)}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}

@media (max-width:1020px){
  .hero-grid,.demo-grid,.bot-show{grid-template-columns:1fr;gap:48px}
  .hero-visual{min-height:auto;padding:24px 0}
  .demo-grid{justify-items:center}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .steps3{grid-template-columns:1fr}
  .auth{grid-template-columns:1fr} .auth-side{display:none}
  .float.f1{left:0}.float.f2{right:0}.float.f3{left:0}
}
@media (max-width:760px){
  section{padding:64px 0}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-links.open{display:flex;position:absolute;top:calc(100% + 8px);left:0;right:0;flex-direction:column;margin:0;padding:16px;border-radius:24px;background:rgba(16,26,66,.97);border:1px solid var(--line);box-shadow:var(--sh-2)}
  .nav-cta .btn-ghost{display:none}
  .nav-in{padding-left:16px;gap:8px}
  .sec-h{margin-bottom:40px} .sec-h h2{font-size:var(--fs-2xl)} .sec-h p{font-size:var(--fs-m)}
  .feat-grid{grid-template-columns:1fr} .feat.wide{grid-column:auto}
  .hero{padding:32px 0 64px}
  .final{padding:48px 16px} .final h2{font-size:var(--fs-2xl)}
  .demo-phone{width:100%;max-width:340px;height:660px}
  .hero-cta{flex-direction:column;gap:8px}.hero-cta .btn{width:100%}.btn-lg{font-size:var(--fs-m);padding:0 24px}
  .float{display:none}
}
.float.f1{top:24px;left:-64px}