:root{--ink:#16222E;--card:#223345;--yel:#F5B921;--wht:#fff;--md:#9FB2C1;--ml:#5A6B7A;--tint:#F4F7FA;--red:#B8432F;--cream:#FDF3DC;--max:1080px}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
header{background:var(--ink);position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(0,0,0,.25)}
nav{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--yel);font-weight:800;letter-spacing:2px;font-size:18px}
.brand .tre{font-size:22px}
nav .links{display:flex;gap:22px;margin-left:auto}
nav .links a{color:var(--md);font-size:14px;font-weight:600}
nav .links a:hover,nav .links a.on{color:var(--wht)}
.btn{display:inline-block;background:var(--yel);color:var(--ink);font-weight:800;padding:13px 26px;border-radius:8px;border:none;cursor:pointer;font-size:15px;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(245,185,33,.35)}
.btn.ghost{background:transparent;color:var(--yel);border:2px solid var(--yel)}
.btn.sm{padding:9px 18px;font-size:13px}
.hero{background:var(--ink);color:var(--wht);padding:84px 0 72px}
.hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.12;max-width:760px}
.hero h1 em{color:var(--yel);font-style:normal}
.hero p.lead{color:var(--md);font-size:19px;max-width:640px;margin:20px 0 32px}
.kicker{color:var(--yel);font-weight:800;letter-spacing:3px;font-size:13px;text-transform:uppercase;margin-bottom:14px}
section{padding:64px 0}
section.alt{background:var(--tint)}
h2.sec{font-size:32px;margin-bottom:10px}
p.sub{color:var(--ml);font-size:17px;max-width:640px;margin-bottom:36px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 4px 18px rgba(22,34,46,.08);display:flex;flex-direction:column}
.card.dark{background:var(--card);color:var(--wht)}
.card .ico{width:52px;height:52px;border-radius:50%;background:var(--yel);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:6px}
.card .tag{color:var(--yel);font-weight:700;font-size:13px;margin-bottom:8px}
.card p{color:var(--ml);font-size:14.5px;flex:1}
.card.dark p{color:var(--md)}
.card .price{font-size:26px;font-weight:800;margin:14px 0 12px}
.cred{background:var(--ink);color:var(--wht)}
.cred blockquote{font-size:20px;max-width:760px;color:var(--md);border-left:4px solid var(--yel);padding-left:22px}
.cred .who{color:var(--yel);font-weight:700;margin-top:14px}
ul.checks{list-style:none;margin:18px 0}
ul.checks li{padding:7px 0 7px 32px;position:relative;font-size:15.5px}
ul.checks li::before{content:"✓";position:absolute;left:0;top:6px;width:22px;height:22px;border-radius:50%;background:var(--yel);color:var(--ink);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.modrow{display:flex;gap:14px;padding:13px 16px;background:#fff;border-radius:10px;margin-bottom:10px;align-items:center;box-shadow:0 2px 8px rgba(22,34,46,.06)}
.modrow .n{min-width:34px;height:34px;border-radius:50%;background:var(--yel);color:var(--ink);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px}
.modrow b{font-size:15px}
.modrow span{color:var(--ml);font-size:13.5px}
.warnbox{background:var(--cream);border-radius:12px;padding:22px 26px;margin:26px 0}
.warnbox b{color:var(--red)}
.capture{display:flex;gap:10px;max-width:480px;margin-top:18px}
.capture input{flex:1;padding:13px 16px;border-radius:8px;border:1px solid #cdd7e0;font-size:15px}
footer{background:var(--ink);color:var(--md);padding:40px 0;font-size:13px}
footer .disc{max-width:820px;margin-top:14px;color:#6b7f90;font-size:12px;line-height:1.6}
.faq details{background:#fff;border-radius:10px;padding:16px 20px;margin-bottom:10px;box-shadow:0 2px 8px rgba(22,34,46,.06)}
.faq summary{font-weight:700;cursor:pointer;font-size:15.5px}
.faq p{margin-top:10px;color:var(--ml);font-size:14.5px}
.pricebar{background:var(--ink);color:#fff;border-radius:14px;padding:34px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.pricebar .big{font-size:38px;font-weight:800}
.pricebar .big s{color:var(--ml);font-size:22px;font-weight:400;margin-left:10px}
.pill{display:inline-block;background:var(--yel);color:var(--ink);border-radius:20px;font-size:12px;font-weight:800;padding:4px 12px;letter-spacing:1px;text-transform:uppercase}
/* course player */
.player{display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:start}
.mlist{background:var(--tint);border-radius:12px;padding:14px;position:sticky;top:84px}
.mlist a{display:flex;gap:10px;padding:10px 12px;border-radius:8px;font-size:14px;align-items:center}
.mlist a.on{background:var(--ink);color:#fff}
.mlist a .dot{width:10px;height:10px;border-radius:50%;background:#cdd7e0;flex-shrink:0}
.mlist a .dot.done{background:var(--yel)}
.stage{min-height:420px}
.stage video{width:100%;border-radius:12px;background:#000}
.script{background:var(--tint);border-radius:12px;padding:24px;margin-top:18px;white-space:pre-wrap;font-size:15px}
.quiz{margin-top:22px}
.quiz .q{background:#fff;border:1px solid #e2e9ef;border-radius:10px;padding:18px;margin-bottom:12px}
.quiz .q b{display:block;margin-bottom:10px}
.quiz label{display:block;padding:7px 10px;border-radius:7px;cursor:pointer;font-size:14.5px}
.quiz label:hover{background:var(--tint)}
.quiz .ok{background:#e7f6e7}
.quiz .bad{background:#fbe9e5}
.gate{max-width:460px;margin:60px auto;background:var(--tint);padding:36px;border-radius:14px;text-align:center}
.gate input{width:100%;padding:13px;border-radius:8px;border:1px solid #cdd7e0;margin:14px 0;font-size:15px;text-align:center}
.badge-cert{background:var(--ink);color:#fff;border-radius:12px;padding:26px;text-align:center;margin-top:20px}
@media(max-width:860px){.player{grid-template-columns:1fr}.mlist{position:static}}