*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#1e1b4b;--accent:#eab308;
  --bg:#0f172a;--bg-alt:#1e293b;
  --text:#f1f5f9;--muted:#94a3b8;
  --card:#1e293b;--border:#334155;
  --radius:14px;
}
html{scroll-behavior:smooth}
body{font-family:'Fira Sans',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:'Rubik',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}

body{background:var(--bg);color:var(--text)}
.header{position:sticky;top:0;z-index:50;background:rgba(15,23,42,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:'Rubik',sans-serif;font-weight:700;font-size:22px;color:#fff;display:flex;align-items:center;gap:8px}
.logo .star{color:var(--accent);font-size:18px}
.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:#fff}
.nav-links a.nav-cta{background:var(--accent);color:#000 !important;padding:10px 22px;border-radius:10px;font-weight:700;font-size:14px}
.nav-links a.nav-cta:hover{filter:brightness(1.08)}
.burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:#fff}
@media(max-width:860px){.nav-links{display:none}.burger{display:flex}}
.mob-nav{display:none;background:var(--bg-alt);padding:16px 24px}
.mob-nav.on{display:block}
.mob-nav a{display:block;padding:10px 0;font-size:15px;color:#fff;border-bottom:1px solid var(--border)}

/* hero — night sky */
.hero{padding:100px 0 80px;position:relative;overflow:hidden;background:radial-gradient(ellipse at center top,var(--bg-alt) 0%,var(--bg) 60%)}
.hero::before{
  content:'';position:absolute;inset:0;
  background-image:
    radial-gradient(circle,#fff 1px,transparent 1.5px),
    radial-gradient(circle,#fff 1px,transparent 1.5px),
    radial-gradient(circle,var(--accent) 1px,transparent 2px);
  background-position:5% 20%,80% 40%,30% 70%;
  background-size:160px 160px,260px 260px,200px 200px;
  opacity:.4;animation:tw 4s infinite alternate
}
@keyframes tw{0%{opacity:.3}100%{opacity:.65}}
.hero-inner{position:relative;text-align:center;max-width:900px;margin:0 auto}
.kick{display:inline-block;background:rgba(234,179,8,.14);border:1px solid var(--accent);color:var(--accent);font-weight:600;font-size:13px;padding:8px 18px;border-radius:99px;margin-bottom:30px;letter-spacing:.05em}
h1.htitle{font-family:'Rubik',sans-serif;color:#fff;font-size:62px;font-weight:700;line-height:1.06;letter-spacing:-.02em;margin-bottom:24px}
h1.htitle em{color:var(--accent);font-style:normal}
.hdesc{font-size:19px;color:var(--muted);max-width:680px;margin:0 auto 36px}
.hcta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.btn{padding:15px 30px;border-radius:10px;font-weight:700;font-size:15px;cursor:pointer;border:0;display:inline-block;transition:.2s}
.btn-a{background:var(--accent);color:#000}
.btn-a:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(234,179,8,.5)}
.btn-b{background:transparent;color:#fff;border:1px solid var(--border)}
.btn-b:hover{border-color:var(--accent)}
.trust{display:flex;gap:32px;justify-content:center;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.trust b{color:var(--accent);font-weight:700}
@media(max-width:860px){.hero{padding:60px 0 50px}h1.htitle{font-size:38px}}

/* features grid */
.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:56px}
.shead h2{font-family:'Rubik',sans-serif;font-size:42px;font-weight:700;color:#fff;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}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.fcard{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:30px 24px;transition:.22s;position:relative;overflow:hidden}
.fcard::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:0;transition:.3s}
.fcard:hover{transform:translateY(-4px);border-color:var(--accent)}
.fcard:hover::before{opacity:1}
.fcard .ic{width:50px;height:50px;border-radius:12px;background:rgba(234,179,8,.15);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;font-weight:700}
.fcard h3{font-family:'Rubik',sans-serif;color:#fff;font-size:17px;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 — 3-step constellation */
.adv-c{padding:96px 0;background:var(--bg-alt);position:relative;overflow:hidden;border-top:1px solid var(--border)}
.adv-c::after{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(circle,var(--accent) 1px,transparent 2px);
  background-size:120px 120px;background-position:50% 50%;opacity:.15
}
.adv-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;position:relative}
.adv-step{text-align:center;padding:32px 20px}
.adv-step .num{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#f59e0b);color:#000;display:flex;align-items:center;justify-content:center;font-family:'Rubik',sans-serif;font-weight:700;font-size:24px;margin:0 auto 22px;box-shadow:0 0 30px rgba(234,179,8,.4)}
.adv-step h3{font-family:'Rubik',sans-serif;color:#fff;font-size:19px;margin-bottom:10px}
.adv-step p{color:var(--muted);font-size:14px;line-height:1.7}
@media(max-width:800px){.adv-grid3{grid-template-columns:1fr}}

/* platforms */
.plat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.plat{background:var(--card);border:1px solid var(--border);border-radius:14px;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(234,179,8,.05)}
.plat .pico{width:34px;height:34px;color:var(--accent)}
.plat .pn{font-size:13px;font-weight:600;color:#fff}
@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),#312e81);color:#fff;border-radius:24px;padding:60px 48px;text-align:center;position:relative;overflow:hidden;border:1px solid var(--border)}
.ctab-card::after{content:'★';position:absolute;font-size:240px;color:rgba(234,179,8,.07);right:-40px;bottom:-60px;font-family:serif}
.ctab-card h2{font-family:'Rubik',sans-serif;color:#fff;font-size:38px;margin-bottom:14px;position:relative}
.ctab-card p{color:rgba(255,255,255,.78);margin-bottom:28px;max-width:540px;margin-left:auto;margin-right:auto;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:14px;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:'Rubik',sans-serif;font-weight:600;font-size:16px;color:#fff;list-style:none}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:'★';font-size:14px;color:var(--accent);transition:.2s}
.faq-item[open] .faq-q::after{transform:rotate(72deg)}
.faq-a{padding:0 0 22px;color:var(--muted);font-size:15px;line-height:1.7}

/* footer */
.footer{padding:54px 0 28px;background:var(--bg-alt);color:var(--muted);border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer h4{font-family:'Rubik',sans-serif;color:var(--accent);font-size:14px;font-weight:700;margin-bottom:14px}
.footer a{display:block;color:var(--muted);font-size:14px;padding:4px 0}
.footer a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--border);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:16px;padding:32px;margin-bottom:18px;display:grid;grid-template-columns:64px 1fr;gap:24px}
.step-n{width:50px;height:50px;border-radius:12px;background:rgba(234,179,8,.15);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;font-family:'Rubik',sans-serif;border:1px solid var(--accent)}
.step h3{font-family:'Rubik',sans-serif;color:#fff;font-size:20px;margin-bottom:8px}
.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:14px;padding:20px}
.after-card h4{font-family:'Rubik',sans-serif;color:#fff;font-size:16px;margin-bottom:6px}
.after-card p{color:var(--muted);font-size:14px}
@media(max-width:680px){.after-grid{grid-template-columns:1fr}.step{grid-template-columns:1fr}}