*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#581c87;--accent:#a855f7;
  --bg:#fafafa;--bg-alt:#faf5ff;
  --text:#1e1b4b;--muted:#6b5b8e;
  --card:#ffffff;--border:#e9d5ff;
  --radius:18px;
}
html{scroll-behavior:smooth}
body{font-family:'Mulish',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:'Albert Sans',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(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:'Albert Sans',sans-serif;font-weight:700;font-size:22px;color:var(--primary);display:flex;align-items:center;gap:10px;letter-spacing:-.02em}
.logo .octo{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--primary));position:relative;display:inline-block}
.logo .octo::before,.logo .octo::after{content:'';position:absolute;width:3px;height:10px;background:var(--accent);border-radius:2px;bottom:-4px}
.logo .octo::before{left:8px;transform:rotate(-25deg)}
.logo .octo::after{right:8px;transform:rotate(25deg)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-family:'Mulish',sans-serif;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:#fff !important;padding:11px 22px;border-radius:99px;font-weight:700;font-size:14px;box-shadow:0 6px 18px -4px rgba(168,85,247,.4)}
.nav-links a.nav-cta:hover{background:var(--primary)}
.burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--primary)}
@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 radial 8-arm graphic */
.hero{padding:90px 0 70px;position:relative;overflow:hidden;background:radial-gradient(ellipse at center,#faf5ff 0%,#fafafa 70%)}
.hero::before{content:'';position:absolute;width:700px;height:700px;background:radial-gradient(circle,rgba(168,85,247,.18),transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);border-radius:50%;filter:blur(40px)}
.hero-inner{position:relative;text-align:center;max-width:880px;margin:0 auto}
.kick{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--primary);font-family:'Albert Sans',sans-serif;font-weight:700;font-size:13px;padding:9px 18px;border-radius:99px;margin-bottom:28px;border:1px solid var(--border);box-shadow:0 6px 18px -4px rgba(168,85,247,.15)}
.kick::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(168,85,247,.3)}
h1.htitle{font-family:'Albert Sans',sans-serif;font-size:66px;font-weight:800;color:var(--primary);line-height:1.04;letter-spacing:-.04em;margin-bottom:24px}
h1.htitle em{color:var(--accent);font-style:normal}
.hdesc{font-size:18px;color:var(--muted);max-width:660px;margin:0 auto 36px;line-height:1.7}
.hcta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.btn{padding:15px 32px;border-radius:99px;font-weight:700;font-size:15px;cursor:pointer;border:0;display:inline-block;transition:.2s;font-family:'Albert Sans',sans-serif}
.btn-a{background:var(--accent);color:#fff;box-shadow:0 8px 22px -4px rgba(168,85,247,.45)}
.btn-a:hover{transform:translateY(-2px);box-shadow:0 14px 30px -6px rgba(168,85,247,.55)}
.btn-b{background:#fff;color:var(--primary);border:2px solid var(--primary)}
.btn-b:hover{background:var(--primary);color:#fff}

/* 8 stat-arms grid */
.arms{display:grid;grid-template-columns:repeat(8,1fr);gap:10px;max-width:760px;margin:0 auto}
.arm{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px 8px;text-align:center;position:relative;transition:.2s}
.arm:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 12px 24px -10px rgba(88,28,135,.18)}
.arm b{display:block;font-family:'Albert Sans',sans-serif;font-size:18px;font-weight:800;color:var(--primary);letter-spacing:-.02em}
.arm span{display:block;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-top:4px;font-weight:600}
@media(max-width:980px){.arms{grid-template-columns:repeat(4,1fr)}}
@media(max-width:520px){.arms{grid-template-columns:repeat(2,1fr)}h1.htitle{font-size:40px}}

/* features — 8 cards in 4x2 grid */
.sec{padding:96px 0;background:var(--bg-alt)}
.sec-plain{padding:96px 0}
.shead{text-align:center;margin-bottom:60px}
.shead h2{font-family:'Albert Sans',sans-serif;font-size:46px;font-weight:800;color:var(--primary);letter-spacing:-.03em;margin-bottom:14px}
.shead h2 em{color:var(--accent);font-style:normal}
.shead p{color:var(--muted);font-size:17px;max-width:640px;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:18px;padding:30px 26px;transition:.22s;position:relative;overflow:hidden}
.fcard::before{content:'';position:absolute;top:0;right:0;width:60px;height:60px;background:radial-gradient(circle at top right,var(--accent),transparent 70%);opacity:0;transition:.3s}
.fcard:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 18px 38px -14px rgba(168,85,247,.2)}
.fcard:hover::before{opacity:.4}
.fcard .ic{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,var(--accent),var(--primary));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;box-shadow:0 6px 18px -4px rgba(168,85,247,.4);position:relative}
.fcard h3{font-family:'Albert Sans',sans-serif;font-size:18px;font-weight:700;color:var(--primary);margin-bottom:10px;letter-spacing:-.02em;position:relative}
.fcard p{color:var(--muted);font-size:14px;line-height:1.65;position:relative}
@media(max-width:980px){.grid4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid4{grid-template-columns:1fr}}

/* advantages — octopus radial */
.adv{padding:96px 0}
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.advlist{display:flex;flex-direction:column;gap:18px}
.advitem{display:flex;gap:16px;align-items:flex-start;background:var(--card);padding:22px 24px;border-radius:18px;border:1px solid var(--border);transition:.18s}
.advitem:hover{border-color:var(--accent);transform:translateX(4px)}
.advitem .ic{flex-shrink:0;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--primary));color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:bold;font-family:'Albert Sans',sans-serif}
.advitem h4{font-family:'Albert Sans',sans-serif;font-size:18px;font-weight:700;color:var(--primary);margin-bottom:4px;letter-spacing:-.01em}
.advitem p{color:var(--muted);font-size:14px;line-height:1.65}
.advshow{background:linear-gradient(135deg,var(--primary),#4c1d95);color:#fff;border-radius:28px;padding:48px 40px;position:relative;overflow:hidden}
.advshow::before{content:'';position:absolute;width:400px;height:400px;border-radius:50%;border:2px solid var(--accent);opacity:.15;top:50%;left:50%;transform:translate(-50%,-50%)}
.advshow::after{content:'';position:absolute;width:240px;height:240px;border-radius:50%;border:2px solid var(--accent);opacity:.3;top:50%;left:50%;transform:translate(-50%,-50%)}
.advshow .small{color:var(--accent);font-family:'Mulish',sans-serif;font-size:13px;letter-spacing:.15em;text-transform:uppercase;margin-bottom:14px;font-weight:600;position:relative}
.advshow h3{font-family:'Albert Sans',sans-serif;color:#fff;font-size:30px;margin-bottom:14px;font-weight:800;letter-spacing:-.02em;position:relative}
.advshow p{color:rgba(255,255,255,.85);font-size:15px;line-height:1.7;margin-bottom:28px;position:relative}
.advshow .big{font-family:'Albert Sans',sans-serif;font-size:120px;font-weight:800;color:var(--accent);line-height:.85;letter-spacing:-.06em;position:relative;text-align:center}
@media(max-width:860px){.adv-grid{grid-template-columns:1fr;gap:40px}}

/* platforms */
.plat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.plat{background:var(--card);border:1px solid var(--border);border-radius:18px;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:var(--bg-alt);transform:translateY(-3px)}
.plat .pico{width:34px;height:34px;color:var(--primary)}
.plat .pn{font-family:'Mulish',sans-serif;font-size:13px;font-weight:700}
@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),#3b0764);color:#fff;border-radius:28px;padding:64px 50px;text-align:center;position:relative;overflow:hidden}
.ctab-card::before{content:'';position:absolute;width:500px;height:500px;background:radial-gradient(circle,var(--accent),transparent 60%);opacity:.4;filter:blur(50px);right:-150px;bottom:-150px;border-radius:50%}
.ctab-card h2{font-family:'Albert Sans',sans-serif;color:#fff;font-size:42px;font-weight:800;margin-bottom:14px;letter-spacing:-.03em;position:relative}
.ctab-card h2 em{color:var(--accent);font-style:normal}
.ctab-card p{color:rgba(255,255,255,.85);margin-bottom:28px;max-width:540px;margin-left:auto;margin-right:auto;font-size:16px;position:relative}
.ctab-card .btn-a{position:relative}

/* FAQ */
.faq-list{max-width:780px;margin:48px auto 0}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:18px;margin-bottom:12px;padding:0 26px;transition:.18s}
.faq-item[open]{border-color:var(--accent);box-shadow:0 10px 26px -10px rgba(168,85,247,.18)}
.faq-q{padding:22px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-family:'Albert Sans',sans-serif;font-weight:700;font-size:16px;color:var(--primary);list-style:none;letter-spacing:-.02em}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:'+';font-size:24px;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: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:'Albert Sans',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;font-family:'Mulish',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;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:22px;padding:32px;margin-bottom:18px;display:grid;grid-template-columns:64px 1fr;gap:24px;transition:.18s}
.step:hover{border-color:var(--accent)}
.step-n{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--primary));color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Albert Sans',sans-serif;font-weight:700;font-size:22px;box-shadow:0 6px 18px -4px rgba(168,85,247,.4)}
.step h3{font-family:'Albert Sans',sans-serif;font-size:20px;margin-bottom:8px;font-weight:700;color:var(--primary);letter-spacing:-.02em}
.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:18px;padding:22px}
.after-card h4{font-family:'Albert Sans',sans-serif;font-size:16px;margin-bottom:6px;font-weight:700;color:var(--primary)}
.after-card p{color:var(--muted);font-size:14px}
@media(max-width:680px){.after-grid{grid-template-columns:1fr}.step{grid-template-columns:1fr}}