:root{
  --green-900:#0B3D2E; --green-800:#0E4A38; --green-700:#116040;
  --money:#00A651; --money-dark:#00823F;
  --amber:#FFB300; --ink:#12211b; --muted:#5b6f66; --bg:#f6faf8; --card:#ffffff;
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(11,61,46,.96);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;gap:26px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:800;font-size:21px;margin-right:auto}
.brand img{width:42px;height:42px}
.nav a.nl{color:#d7e8de;text-decoration:none;font-weight:600;font-size:15.5px}
.nav a.nl:hover{color:#fff}
.lang{display:flex;gap:6px;background:rgba(255,255,255,.1);border-radius:999px;padding:4px}
.lang button{border:0;background:transparent;color:#cfe3d8;font-weight:700;font-size:14px;padding:7px 13px;border-radius:999px;cursor:pointer}
.lang button.active{background:#fff;color:var(--green-900)}
.lang button svg{display:block;border-radius:2px}
.hero-video{position:relative}
.sound-btn{position:absolute;top:12px;right:12px;z-index:2;border:0;border-radius:50%;width:46px;height:46px;font-size:21px;line-height:1;background:rgba(11,61,46,.88);color:#fff;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.35)}
.sound-btn:hover{transform:scale(1.08)}
@media(max-width:860px){.nav a.nl{display:none}}
/* hero */
.hero{background:radial-gradient(900px 500px at 70% 20%, #146147 0%, var(--green-900) 55%, #072a20 100%);color:#fff;padding:64px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.eyebrow{display:inline-block;background:rgba(255,179,0,.15);color:var(--amber);font-weight:800;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;padding:8px 16px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:clamp(34px,4.6vw,54px);line-height:1.12;letter-spacing:-1px;margin-bottom:16px}
.hero h1 .amber{color:var(--amber)}
.hero p.punch{font-size:clamp(20px,2.4vw,27px);font-weight:800;color:#fff;max-width:520px;margin-bottom:14px;line-height:1.3}
.hero p.punch .amber{color:var(--amber)}
.hero p.lead{font-size:19px;color:#cfe3d8;max-width:520px;margin-bottom:28px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.btn{display:inline-block;text-decoration:none;font-weight:800;font-size:17px;padding:15px 32px;border-radius:999px;transition:transform .12s ease}
.btn:hover{transform:translateY(-2px)}
.btn-green{background:var(--money);color:#fff;box-shadow:0 10px 26px rgba(0,166,81,.4)}
.btn-ghost{border:2px solid rgba(255,255,255,.35);color:#fff}
.micro{font-size:14px;color:#9fc3b2}
.hero-video{border-radius:20px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.12);background:#000}
.hero-video video{width:100%;display:block;aspect-ratio:16/9}
/* sections */
section.block{padding:72px 0}
section.block.alt{background:var(--bg)}
h2.sec{font-size:clamp(28px,3.6vw,40px);letter-spacing:-.5px;text-align:center;margin-bottom:12px}
p.sec-sub{text-align:center;color:var(--muted);font-size:18px;max-width:640px;margin:0 auto 44px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:900px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cards{grid-template-columns:1fr}}
.card{background:var(--card);border-radius:var(--radius);padding:28px 24px;box-shadow:0 8px 30px rgba(11,61,46,.08);border:1px solid #e7f0eb}
.card .ico{font-size:34px;margin-bottom:12px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15.5px}
/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:#fff;border-radius:var(--radius);padding:30px 26px;border:1px solid #e7f0eb;box-shadow:0 8px 30px rgba(11,61,46,.08);position:relative}
.step .n{width:46px;height:46px;border-radius:50%;background:var(--green-900);color:#fff;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{font-size:19px;margin-bottom:8px}
.step p{color:var(--muted);font-size:15.5px}
.step .badges-demo{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.pill-g{background:var(--money);color:#fff;font-weight:800;font-size:14px;border-radius:8px;padding:6px 12px}
.pill-o{background:#F5820B;color:#fff;font-weight:800;font-size:14px;border-radius:8px;padding:6px 12px}
/* pricing */
.price-card{max-width:460px;margin:0 auto;background:var(--green-900);color:#fff;border-radius:24px;padding:44px 40px;text-align:center;box-shadow:0 24px 70px rgba(11,61,46,.35)}
.price-card .plan{font-size:15px;letter-spacing:2px;text-transform:uppercase;color:var(--amber);font-weight:800;margin-bottom:10px}
.price-card .amount{font-size:64px;font-weight:800;letter-spacing:-2px}
.price-card .amount small{font-size:20px;font-weight:600;color:#cfe3d8}
.trial{display:inline-block;background:rgba(0,166,81,.25);border:1px solid var(--money);color:#fff;font-weight:700;border-radius:999px;padding:8px 20px;margin:14px 0 22px}
.feat{list-style:none;text-align:left;margin:0 auto 28px;max-width:320px}
.feat li{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:16px;color:#e6f2ec}
.feat li::before{content:"✓ ";color:var(--money);font-weight:800}
/* download */
.dl{background:linear-gradient(135deg,var(--green-800),var(--green-900));border-radius:24px;color:#fff;padding:52px 44px;text-align:center}
.dl h2{font-size:clamp(26px,3.4vw,36px);margin-bottom:10px}
.dl p{color:#cfe3d8;margin-bottom:26px;font-size:17px}
.btn-amber{background:var(--amber);color:#3a2a00;box-shadow:0 10px 26px rgba(255,179,0,.35)}
.dl .fine{margin-top:16px;font-size:13.5px;color:#9fc3b2}
/* faq */
.faq{max-width:760px;margin:0 auto}
.faq details{background:#fff;border:1px solid #e7f0eb;border-radius:14px;padding:20px 24px;margin-bottom:12px}
.faq summary{font-weight:700;font-size:17px;cursor:pointer}
.faq details p{color:var(--muted);margin-top:10px;font-size:15.5px}
/* support + footer */
.support{text-align:center}
.support .btn{margin-top:8px}
footer.site{background:#072a20;color:#9fc3b2;padding:34px 0;font-size:14.5px}
footer.site .wrap{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
footer.site a{color:#d7e8de;text-decoration:none}
footer.site a:hover{color:#fff}
footer.site .sp{margin-left:auto;display:flex;gap:20px}