*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#1d4ed8;--accent:#fbbf24;
  --bg:#f8fafc;--bg-alt:#ffffff;
  --text:#0f172a;--muted:#475569;
  --card:#ffffff;--border:#e2e8f0;
  --radius:20px;
}
html{scroll-behavior:smooth}
body{font-family:'Nunito',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:'Poppins',sans-serif;color:var(--text);line-height:1.2}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;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:#fff;border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:'Poppins',sans-serif;font-weight:700;font-size:22px;color:var(--primary);display:flex;align-items:center;gap:10px}
.logo .lico{width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:14px;color:var(--muted);font-weight:600}
.nav-links a:hover{color:var(--primary)}
.nav-links a.nav-cta{background:var(--accent);color:#000 !important;padding:11px 22px;border-radius:12px;font-weight:700;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 — centered card on gradient */
.hero{padding:80px 0 60px;background:linear-gradient(180deg,#dbeafe 0%,#bfdbfe 50%,#f8fafc 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(29,78,216,.2),transparent 70%);top:-100px;left:-100px;border-radius:50%}
.hero::after{content:'';position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(251,191,36,.2),transparent 70%);bottom:-100px;right:-100px;border-radius:50%}
.card-hero{background:#fff;border-radius:32px;padding:64px 56px;max-width:780px;margin:0 auto;box-shadow:0 32px 80px -20px rgba(29,78,216,.18);position:relative;border:1px solid var(--border)}
.kick{display:inline-flex;align-items:center;gap:8px;background:var(--bg);color:var(--primary);font-weight:700;font-size:13px;padding:7px 16px;border-radius:99px;margin-bottom:24px}
.kick::before{content:'●';color:var(--accent);font-size:12px}
h1.htitle{font-family:'Poppins',sans-serif;font-size:54px;font-weight:800;color:var(--primary);line-height:1.08;letter-spacing:-.02em;margin-bottom:20px}
h1.htitle em{color:var(--accent);font-style:normal}
.hdesc{font-size:18px;color:var(--muted);max-width:580px;margin-bottom:32px}
.hcta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.btn{padding:15px 28px;border-radius:14px;font-weight:700;font-size:15px;cursor:pointer;border:0;display:inline-block;transition:.2s}
.btn-a{background:var(--primary);color:#fff}
.btn-a:hover{background:var(--accent);color:#000;transform:translateY(-2px)}
.btn-b{background:var(--bg);color:var(--primary);border:1px solid var(--border)}
.btn-b:hover{border-color:var(--primary)}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-top:28px;border-top:1px solid var(--border)}
.trust-i b{display:block;font-family:'Poppins',sans-serif;font-size:24px;font-weight:800;color:var(--primary);line-height:1}
.trust-i span{font-size:12px;color:var(--muted);margin-top:4px}
@media(max-width:760px){.card-hero{padding:32px 22px}h1.htitle{font-size:34px}.trust-row{grid-template-columns:repeat(2,1fr)}}

/* features */
.sec{padding:96px 0}
.sec-alt{background:var(--bg-alt)}
.shead{text-align:center;margin-bottom:60px}
.shead h2{font-family:'Poppins',sans-serif;font-size:44px;font-weight:800;color:var(--primary);margin-bottom:14px;letter-spacing:-.02em}
.shead h2 em{color:var(--accent);font-style:normal}
.shead p{color:var(--muted);font-size:17px;max-width:620px;margin:0 auto}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.fcard{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:30px 26px;transition:.22s}
.fcard:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 16px 36px -12px rgba(29,78,216,.15)}
.fcard .ic{width:56px;height:56px;border-radius:14px;background:rgba(29,78,216,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.fcard h3{font-family:'Poppins',sans-serif;font-size:18px;font-weight:700;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-bubble style */
.adv{padding:96px 0;background:var(--bg-alt)}
.bubgrid{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.bubble{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:22px 26px;position:relative;max-width:80%}
.bubble.left{align-self:flex-start;border-bottom-left-radius:4px;border-left:3px solid var(--primary)}
.bubble.right{align-self:flex-end;border-bottom-right-radius:4px;border-right:3px solid var(--accent);background:rgba(251,191,36,.08)}
.bubble h4{font-family:'Poppins',sans-serif;font-size:18px;margin-bottom:8px;font-weight:700}
.bubble p{color:var(--muted);font-size:14px;line-height:1.7}
@media(max-width:680px){.bubble{max-width:92%}}

/* platforms */
.plat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.plat{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:26px 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(251,191,36,.04)}
.plat .pico{width:34px;height:34px;color:var(--primary)}
.plat .pn{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),#1e40af);color:#fff;border-radius:32px;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;left:-100px;top:-100px;border-radius:50%}
.ctab-card h2{font-family:'Poppins',sans-serif;color:#fff;font-size:38px;font-weight:800;margin-bottom:14px;position:relative}
.ctab-card p{color:rgba(255,255,255,.8);margin-bottom:28px;max-width:540px;margin-left:auto;margin-right:auto;position:relative}
.ctab-card .btn-a{background:var(--accent);color:#000;position:relative}
.ctab-card .btn-a:hover{background:#fff}

/* 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 24px;transition:.18s}
.faq-item[open]{border-color:var(--accent)}
.faq-q{padding:22px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-family:'Poppins',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:'Poppins',sans-serif;color:var(--accent);font-size:15px;font-weight:700;margin-bottom:14px}
.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,.15);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:20px;padding:32px;margin-bottom:18px;display:grid;grid-template-columns:64px 1fr;gap:24px}
.step-n{width:54px;height:54px;border-radius:14px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px;font-family:'Poppins',sans-serif}
.step h3{font-family:'Poppins',sans-serif;font-size:20px;margin-bottom:8px;font-weight:700}
.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:16px;margin-top:24px}
.after-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px}
.after-card h4{font-family:'Poppins',sans-serif;font-size:16px;margin-bottom:6px;font-weight:700}
.after-card p{color:var(--muted);font-size:14px}
@media(max-width:680px){.after-grid{grid-template-columns:1fr}.step{grid-template-columns:1fr}}