*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#1a1a2e;--accent:#16c79a;
  --bg:#fafafa;--bg-alt:#ffffff;
  --text:#13131f;--muted:#5a5a72;
  --card:#ffffff;--border:#e6e7ee;
  --radius:18px;
}
html{scroll-behavior:smooth}
body{font-family:'Karla',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:'Manrope',sans-serif;color:var(--text);line-height:1.2;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* === HEADER === */
.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-weight:800;font-size:22px;color:var(--primary);display:flex;align-items:center;gap:10px}
.logo-dot{width:10px;height:10px;border-radius:50%;background:var(--accent)}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{font-size:15px;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}
.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:var(--text)}
@media(max-width:860px){.nav-links{display:none}.burger{display:flex}}
.mob-nav{display:none;background:#fff;border-top:1px solid var(--border);padding:16px 24px}
.mob-nav.on{display:block}
.mob-nav a{display:block;padding:10px 0;font-size:15px;border-bottom:1px solid var(--border)}

/* === HERO CENTERED === */
.hero{padding:96px 0 72px;text-align:center}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:#fff;border:1px solid var(--border);padding:8px 16px;border-radius:99px;margin-bottom:26px;box-shadow:0 4px 12px rgba(0,0,0,.04)}
.badge::before{content:'●';color:var(--accent);font-size:10px}
h1.hero-title{font-size:64px;font-weight:800;max-width:920px;margin:0 auto 22px;line-height:1.08}
h1.hero-title em{font-style:normal;color:var(--accent);position:relative}
h1.hero-title em::after{content:'';position:absolute;bottom:.05em;left:0;right:0;height:6px;background:rgba(22,199,154,.25);border-radius:6px;z-index:-1}
.hero-desc{font-size:19px;color:var(--muted);max-width:680px;margin:0 auto 36px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.btn-primary{background:var(--accent);color:#fff;padding:15px 30px;border-radius:99px;font-weight:700;font-size:16px;border:0;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:.2s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(22,199,154,.5)}
.btn-ghost{background:#fff;color:var(--primary);padding:15px 30px;border-radius:99px;font-weight:700;font-size:16px;border:1px solid var(--border);cursor:pointer}
.btn-ghost:hover{border-color:var(--primary)}

/* === STATS BAR === */
.stats{padding:24px 0 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--card);border:1px solid var(--border);border-radius:18px;overflow:hidden;max-width:920px;margin:0 auto}
.stat{padding:28px 20px;text-align:center;border-right:1px solid var(--border)}
.stat:last-child{border-right:0}
.stat-num{font-size:32px;font-weight:800;color:var(--primary);font-family:'Manrope',sans-serif}
.stat-lab{font-size:13px;color:var(--muted);margin-top:4px}
@media(max-width:760px){.stats-grid{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--border)}}

/* === FEATURES (6-grid borderless) === */
.features{padding:96px 0}
.sec-head{text-align:center;margin-bottom:56px}
.sec-head h2{font-size:42px;font-weight:800;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feat{background:var(--card);border-top:3px solid var(--accent);border-radius:14px;padding:32px;box-shadow:0 4px 18px rgba(0,0,0,.04);transition:.22s}
.feat:hover{transform:translateY(-4px);box-shadow:0 16px 38px -10px rgba(0,0,0,.12)}
.feat .icon{width:48px;height:48px;border-radius:12px;background:rgba(22,199,154,.12);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px}
.feat h3{font-size:18px;font-weight:700;margin-bottom:10px}
.feat p{color:var(--muted);font-size:15px;line-height:1.65}
@media(max-width:900px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:580px){.feat-grid{grid-template-columns:1fr}}

/* === HOW 3-step === */
.how{padding:80px 0;background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px}
.how-step{text-align:center}
.how-step .num{width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px;margin:0 auto 18px;font-family:'Manrope',sans-serif}
.how-step h3{font-size:18px;margin-bottom:8px}
.how-step p{color:var(--muted);font-size:15px}
@media(max-width:800px){.how-grid{grid-template-columns:1fr}}

/* === PLATFORMS === */
.platforms{padding:96px 0}
.plat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:40px}
.plat{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px 12px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;transition:.18s;color:inherit}
.plat:hover{border-color:var(--accent);background:rgba(22,199,154,.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 banner === */
.ctab{padding:64px 0 24px}
.ctab-card{background:linear-gradient(120deg,var(--primary),#2a2a4a);color:#fff;border-radius:24px;padding:56px 48px;text-align:center}
.ctab-card h2{color:#fff;font-size:36px;margin-bottom:14px}
.ctab-card p{color:rgba(255,255,255,.78);margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto}
.ctab-card .btn-primary{background:var(--accent);color:#fff}

/* === FAQ === */
.faq{padding:96px 0}
.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-weight:600;font-size:16px;list-style:none}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:'⌄';font-size:18px;color:var(--accent);transition:.2s;font-weight:bold}
.faq-item[open] .faq-q::after{transform:rotate(180deg)}
.faq-a{padding:0 0 22px;color:var(--muted);font-size:15px;line-height:1.7}

/* === FOOTER === */
.footer{padding:48px 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:32px}
.footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;text-transform:uppercase;letter-spacing:.05em}
.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}}

.reveal{opacity:0;transform:translateY(20px);transition:.6s ease-out}
.reveal.on{opacity:1;transform:none}

/* instr */
.steps{padding:60px 0}
.step{display:grid;grid-template-columns:64px 1fr;gap:24px;background:var(--card);border:1px solid var(--border);border-radius:18px;padding:32px;margin-bottom:20px}
.step-n{width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;font-family:'Manrope',sans-serif}
.step h3{font-size:20px;margin-bottom:8px}
.step p{color:var(--muted);font-size:15px;line-height:1.7;margin-bottom:14px}
.after{padding:48px 0;background:var(--bg-alt)}
.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-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}}