*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#312e81;--accent:#06b6d4;
  --bg:#f8fafc;--bg-alt:#ffffff;
  --text:#1e293b;--muted:#64748b;
  --card:#ffffff;--border:#e2e8f0;
  --radius:16px;
}
html{scroll-behavior:smooth}
body{font-family:'Libre Franklin',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.65;font-size:16px}
h1,h2,h3,h4{font-family:'Jost',sans-serif;color:var(--text);line-height:1.2}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.reveal{opacity:0;transform:translateY(20px);transition:.6s ease-out}
.reveal.on{opacity:1;transform:none}

.header{position:sticky;top:0;z-index:50;background:rgba(248,250,252,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:'Jost',sans-serif;font-weight:600;font-size:22px;color:var(--primary);display:flex;align-items:center;gap:10px;letter-spacing:-.01em}
.logo .lico{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:14px;color:var(--muted);font-weight:500}
.nav-links a:hover{color:var(--primary)}
.nav-links a.nav-cta{background:var(--accent);color:#000 !important;padding:10px 22px;border-radius:99px;font-weight:600;font-size:14px}
.nav-links a.nav-cta:hover{background:var(--primary);color:#fff !important}
.burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--text)}
@media(max-width:860px){.nav-links{display:none}.burger{display:flex}}
.mob-nav{display:none;background:#fff;padding:16px 24px;border-top:1px solid var(--border)}
.mob-nav.on{display:block}
.mob-nav a{display:block;padding:10px 0;font-size:15px;border-bottom:1px solid var(--border)}

/* hero — chat layout */
.hero{padding:80px 0 60px;background:linear-gradient(180deg,#e0e7ff 0%,#cffafe 50%,#f8fafc 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;width:500px;height:500px;background:radial-gradient(circle,var(--primary),transparent 70%);opacity:.12;top:-100px;right:-50px;border-radius:50%;filter:blur(40px)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;position:relative}
.kick{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--primary);font-weight:600;font-size:13px;padding:7px 14px;border-radius:99px;margin-bottom:24px;box-shadow:0 4px 14px -4px rgba(49,46,129,.15)}
.kick::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--accent)}
h1.htitle{font-family:'Jost',sans-serif;font-size:60px;font-weight:600;line-height:1.06;letter-spacing:-.03em;color:var(--primary);margin-bottom:22px}
h1.htitle em{color:var(--accent);font-style:normal;font-weight:700}
.hdesc{font-size:18px;color:var(--muted);max-width:540px;margin-bottom:32px;line-height:1.7}
.hcta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.btn{padding:14px 28px;border-radius:99px;font-weight:600;font-size:14px;cursor:pointer;border:0;display:inline-block;transition:.18s;font-family:'Libre Franklin',sans-serif}
.btn-a{background:var(--primary);color:#fff}
.btn-a:hover{background:var(--accent);color:#000;transform:translateY(-2px)}
.btn-b{background:#fff;color:var(--primary);border:1px solid var(--border)}
.btn-b:hover{border-color:var(--primary)}
.trust{display:flex;gap:24px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.trust b{color:var(--primary);font-weight:600}

/* chat-window */
.chatwin{background:#fff;border-radius:20px;box-shadow:0 24px 60px -20px rgba(49,46,129,.2);border:1px solid var(--border);overflow:hidden}
.chatwin-head{background:var(--primary);color:#fff;padding:14px 18px;display:flex;align-items:center;gap:12px}
.chatwin-head .av{width:34px;height:34px;border-radius:50%;background:var(--accent);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;font-family:'Jost',sans-serif}
.chatwin-head .nm{font-family:'Jost',sans-serif;font-weight:600;font-size:15px}
.chatwin-head .st{font-size:11px;color:rgba(255,255,255,.7);margin-top:2px}
.chatwin-body{padding:22px;display:flex;flex-direction:column;gap:12px;background:#f9fafb}
.bub{padding:12px 16px;border-radius:18px;font-size:14px;line-height:1.5;max-width:80%}
.bub.me{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:4px}
.bub.bot{align-self:flex-start;background:#fff;color:var(--text);border:1px solid var(--border);border-bottom-left-radius:4px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.bub.bot b{color:var(--primary);font-weight:600}
.chatwin-foot{padding:14px 18px;border-top:1px solid var(--border);font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px;background:#fff}
.chatwin-foot::before{content:'';width:6px;height:6px;border-radius:50%;background:#10b981}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero{padding:48px 0 40px}h1.htitle{font-size:38px}}

/* features */
.sec{padding:96px 0}
.sec-alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.shead{text-align:center;margin-bottom:60px}
.shead h2{font-family:'Jost',sans-serif;font-size:44px;font-weight:600;color:var(--primary);margin-bottom:14px;letter-spacing:-.02em}
.shead h2 em{color:var(--accent);font-style:normal;font-weight:700}
.shead p{color:var(--muted);font-size:17px;max-width:620px;margin:0 auto;line-height:1.7}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fcard{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:30px 26px;transition:.2s}
.fcard:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 16px 36px -14px rgba(49,46,129,.12)}
.fcard .ic{width:48px;height:48px;border-radius:12px;background:rgba(6,182,212,.12);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px}
.fcard h3{font-family:'Jost',sans-serif;font-size:18px;font-weight:600;margin-bottom:10px}
.fcard p{color:var(--muted);font-size:14px;line-height:1.65}
@media(max-width:980px){.grid4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid4{grid-template-columns:1fr}}

/* advantages — chat-style 4 messages */
.adv{padding:96px 0;background:var(--bg-alt)}
.chat-list{max-width:760px;margin:48px auto 0;display:flex;flex-direction:column;gap:18px}
.chat-row{display:flex;gap:14px;align-items:flex-start}
.chat-row.bot{align-self:flex-start;max-width:80%}
.chat-row.user{align-self:flex-end;flex-direction:row-reverse;max-width:80%}
.chat-av{width:38px;height:38px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-family:'Jost',sans-serif;font-weight:700;font-size:14px}
.chat-row.bot .chat-av{background:var(--primary);color:#fff}
.chat-row.user .chat-av{background:var(--accent);color:var(--primary)}
.chat-msg{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px 22px}
.chat-row.bot .chat-msg{border-bottom-left-radius:4px}
.chat-row.user .chat-msg{background:rgba(6,182,212,.1);border-color:var(--accent);border-bottom-right-radius:4px}
.chat-msg h4{font-family:'Jost',sans-serif;font-size:16px;font-weight:600;margin-bottom:6px;color:var(--primary)}
.chat-msg p{color:var(--text);font-size:14.5px;line-height:1.65}
@media(max-width:680px){.chat-row.bot,.chat-row.user{max-width:90%}}

/* platforms */
.plat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.plat{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px 14px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;color:inherit;transition:.18s}
.plat:hover{border-color:var(--accent);background:rgba(6,182,212,.04)}
.plat .pico{width:34px;height:34px;color:var(--primary)}
.plat .pn{font-family:'Jost',sans-serif;font-size:13px;font-weight:600}
@media(max-width:860px){.plat-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:480px){.plat-grid{grid-template-columns:repeat(2,1fr)}}

/* CTA */
.ctab{padding:80px 0}
.ctab-card{background:linear-gradient(135deg,var(--primary),#4338ca);color:#fff;border-radius:22px;padding:60px 48px;text-align:center;position:relative;overflow:hidden}
.ctab-card::before{content:'';position:absolute;width:300px;height:300px;background:radial-gradient(circle,var(--accent),transparent 60%);opacity:.4;right:-100px;top:-100px;border-radius:50%;filter:blur(40px)}
.ctab-card h2{font-family:'Jost',sans-serif;color:#fff;font-size:40px;font-weight:600;margin-bottom:14px;letter-spacing:-.02em;position:relative}
.ctab-card h2 em{color:var(--accent);font-style:normal;font-weight:700}
.ctab-card p{color:rgba(255,255,255,.85);margin-bottom:28px;max-width:540px;margin-left:auto;margin-right:auto;position:relative}
.ctab-card .btn-a{background:var(--accent);color:var(--primary);position:relative}

/* FAQ */
.faq-list{max-width:780px;margin:48px auto 0}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:16px;margin-bottom:12px;padding:0 26px;transition:.18s}
.faq-item[open]{border-color:var(--accent);box-shadow:0 8px 20px -10px rgba(6,182,212,.18)}
.faq-q{padding:22px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-family:'Jost',sans-serif;font-weight:600;font-size:16px;list-style:none}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:'+';font-size:24px;color:var(--accent);transition:.2s;font-weight:600}
.faq-item[open] .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 0 22px;color:var(--muted);font-size:15px;line-height:1.7}

/* footer */
.footer{padding:54px 0 28px;background:var(--primary);color:rgba(255,255,255,.75)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer h4{font-family:'Jost',sans-serif;color:var(--accent);font-size:14px;font-weight:600;margin-bottom:14px;text-transform:uppercase;letter-spacing:.06em}
.footer a{display:block;color:rgba(255,255,255,.65);font-size:14px;padding:4px 0}
.footer a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr;gap:24px}}

/* steps */
.steps{padding:60px 0}
.step{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:32px;margin-bottom:18px;display:grid;grid-template-columns:64px 1fr;gap:24px}
.step-n{width:50px;height:50px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Jost',sans-serif;font-weight:600;font-size:22px}
.step h3{font-family:'Jost',sans-serif;font-size:20px;margin-bottom:8px;font-weight:600}
.step p{color:var(--muted);font-size:15px;line-height:1.7;margin-bottom:14px}
.after-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
.after-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px}
.after-card h4{font-family:'Jost',sans-serif;font-size:16px;margin-bottom:6px;font-weight:600}
.after-card p{color:var(--muted);font-size:14px}
@media(max-width:680px){.after-grid{grid-template-columns:1fr}.step{grid-template-columns:1fr}}