*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#0f172a;--accent:#3b82f6;
  --bg:#fafafa;--bg-alt:#f1f5f9;
  --text:#0f172a;--muted:#475569;
  --card:#ffffff;--border:#e2e8f0;
  --radius:12px;
}
html{scroll-behavior:smooth}
body{font-family:'Inter',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:'Onest',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(250,250,250,.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:'Onest',sans-serif;font-weight:700;font-size:22px;color:var(--primary);display:flex;align-items:center;gap:10px;letter-spacing:-.04em}
.logo .mask{width:26px;height:26px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:8px;display:inline-block;position:relative}
.logo .mask::before{content:'';position:absolute;width:10px;height:10px;background:var(--bg);border-radius:50%;top:8px;left:8px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-family:'Inter',sans-serif;font-size:14px;color:var(--muted);font-weight:500}
.nav-links a:hover{color:var(--primary)}
.nav-links a.nav-cta{background:var(--primary);color:#fff !important;padding:9px 20px;border-radius:8px;font-weight:600;font-size:13px;font-family:'Onest',sans-serif}
.nav-links a.nav-cta:hover{background:var(--accent)}
.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 with subtle dot grid */
.hero{padding:84px 0 70px;position:relative;overflow:hidden;background:var(--bg)}
.hero::before{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(circle,var(--border) 1px,transparent 0);
  background-size:24px 24px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 70%);
  pointer-events:none
}
.hero-inner{position:relative;text-align:center;max-width:860px;margin:0 auto}
.kick{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--primary);font-family:'Onest',sans-serif;font-weight:600;font-size:13px;padding:7px 14px;border-radius:99px;margin-bottom:24px;border:1px solid var(--border);box-shadow:0 4px 12px -4px rgba(15,23,42,.08)}
.kick::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(59,130,246,.2)}
h1.htitle{font-family:'Onest',sans-serif;font-size:68px;font-weight:800;color:var(--primary);line-height:1.04;letter-spacing:-.05em;margin-bottom:22px}
h1.htitle em{color:var(--accent);font-style:normal;font-weight:800}
.hdesc{font-size:18px;color:var(--muted);max-width:640px;margin:0 auto 36px;line-height:1.7;font-family:'Inter',sans-serif}
.hcta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.btn{padding:13px 28px;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer;border:0;display:inline-block;transition:.18s;font-family:'Onest',sans-serif;letter-spacing:-.01em}
.btn-a{background:var(--primary);color:#fff}
.btn-a:hover{background:var(--accent);transform:translateY(-1px)}
.btn-b{background:#fff;color:var(--text);border:1px solid var(--border)}
.btn-b:hover{border-color:var(--primary)}
.trust{display:inline-flex;gap:0;flex-wrap:wrap;background:#fff;border:1px solid var(--border);border-radius:10px;padding:4px}
.trust span{padding:10px 18px;border-right:1px solid var(--border);font-size:12px;color:var(--muted);font-family:'Inter',sans-serif}
.trust span:last-child{border-right:0}
.trust b{color:var(--primary);font-family:'Onest',sans-serif;font-weight:700;margin-right:6px}
@media(max-width:860px){.hero{padding:48px 0 40px}h1.htitle{font-size:40px}.trust{flex-direction:column}.trust span{border-right:0;border-bottom:1px solid var(--border)}.trust span:last-child{border-bottom:0}}

/* features */
.sec{padding:96px 0;background:var(--bg-alt)}
.sec-plain{padding:96px 0}
.shead{text-align:center;margin-bottom:56px}
.shead h2{font-family:'Onest',sans-serif;font-size:46px;font-weight:800;color:var(--primary);letter-spacing:-.04em;margin-bottom:14px}
.shead h2 em{color:var(--accent);font-style:normal}
.shead p{color:var(--muted);font-size:17px;max-width:620px;margin:0 auto;line-height:1.7;font-family:'Inter',sans-serif}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.fcard{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:28px 24px;transition:.18s;position:relative}
.fcard:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:0 12px 28px -10px rgba(15,23,42,.12)}
.fcard .ic{width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;font-weight:700}
.fcard h3{font-family:'Onest',sans-serif;font-size:17px;font-weight:700;margin-bottom:10px;letter-spacing:-.02em}
.fcard p{color:var(--muted);font-size:14px;line-height:1.65;font-family:'Inter',sans-serif}
@media(max-width:980px){.grid4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid4{grid-template-columns:1fr}}

/* spec advantages */
.spec-list{margin-top:40px;display:grid;gap:14px;max-width:760px;margin:40px auto 0}
.spec-row{display:grid;grid-template-columns:140px 1fr;gap:24px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px 24px;transition:.18s;align-items:center}
.spec-row:hover{border-color:var(--accent)}
.spec-row .key{font-family:'Onest',sans-serif;font-size:13px;color:var(--accent);font-weight:600;letter-spacing:-.01em;text-transform:lowercase}
.spec-row .val{font-family:'Onest',sans-serif;font-size:16px;color:var(--text);font-weight:600;letter-spacing:-.01em}
.spec-row .val p{font-family:'Inter',sans-serif;font-size:14px;color:var(--muted);font-weight:400;line-height:1.65;margin-top:2px}
@media(max-width:560px){.spec-row{grid-template-columns:1fr;gap:8px}}

/* platforms */
.plat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.plat{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:22px 14px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;color:inherit;transition:.16s}
.plat:hover{border-color:var(--accent);background:var(--bg);transform:translateY(-2px)}
.plat .pico{width:32px;height:32px;color:var(--primary)}
.plat .pn{font-family:'Onest',sans-serif;font-size:13px;font-weight:600;letter-spacing:-.01em}
@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:var(--primary);color:#fff;border-radius:14px;padding:60px 48px;text-align:center;position:relative;overflow:hidden}
.ctab-card::before{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(59,130,246,.18) 1px,transparent 0);
  background-size:24px 24px;opacity:.5;pointer-events:none
}
.ctab-card h2{font-family:'Onest',sans-serif;color:#fff;font-size:40px;font-weight:800;margin-bottom:14px;letter-spacing:-.04em;position:relative}
.ctab-card h2 em{color:var(--accent);font-style:normal}
.ctab-card p{color:rgba(255,255,255,.82);margin-bottom:28px;max-width:520px;margin-left:auto;margin-right:auto;font-size:16px;position:relative;font-family:'Inter',sans-serif}
.ctab-card .btn-a{background:var(--accent);color:#fff;position:relative}

/* FAQ */
.faq-list{max-width:780px;margin:40px auto 0}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:10px;margin-bottom:8px;padding:0 24px;transition:.18s}
.faq-item[open]{border-color:var(--accent)}
.faq-q{padding:20px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-family:'Onest',sans-serif;font-weight:700;font-size:15px;color:var(--primary);list-style:none;letter-spacing:-.02em}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:'+';font-size:22px;color:var(--accent);transition:.2s;font-weight:700}
.faq-item[open] .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 0 22px;color:var(--muted);font-size:14.5px;line-height:1.7;font-family:'Inter',sans-serif}

/* footer */
.footer{padding:54px 0 28px;background:var(--primary);color:rgba(255,255,255,.7)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:30px}
.footer h4{font-family:'Onest',sans-serif;color:var(--accent);font-size:14px;font-weight:700;margin-bottom:14px;text-transform:uppercase;letter-spacing:.04em}
.footer a{display:block;color:rgba(255,255,255,.6);font-size:14px;padding:4px 0;font-family:'Inter',sans-serif}
.footer a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:13px;font-family:'Inter',sans-serif;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:12px;padding:30px;margin-bottom:14px;display:grid;grid-template-columns:56px 1fr;gap:22px;transition:.18s}
.step:hover{border-color:var(--accent)}
.step-n{width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Onest',sans-serif;font-weight:700;font-size:20px}
.step h3{font-family:'Onest',sans-serif;font-size:19px;margin-bottom:8px;font-weight:700;letter-spacing:-.02em}
.step p{color:var(--muted);font-size:15px;line-height:1.7;margin-bottom:14px;font-family:'Inter',sans-serif}
.after-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px}
.after-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px}
.after-card h4{font-family:'Onest',sans-serif;font-size:15px;margin-bottom:6px;font-weight:700}
.after-card p{color:var(--muted);font-size:14px;font-family:'Inter',sans-serif}
@media(max-width:680px){.after-grid{grid-template-columns:1fr}.step{grid-template-columns:1fr}}