@font-face{font-family:HK Grotesk;src:url(/fonts/HK-normal-400.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:HK Grotesk;src:url(/fonts/HK-normal-500.woff2)format("woff2");font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:HK Grotesk;src:url(/fonts/HK-normal-700.woff2)format("woff2");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:HK Grotesk;src:url(/fonts/HK-normal-800.woff2)format("woff2");font-weight:800;font-style:normal;font-display:swap}@font-face{font-family:HK Grotesk;src:url(/fonts/HK-italic-600.woff2)format("woff2");font-weight:600;font-style:italic;font-display:swap}:root{--bg:#0b0d10;--surface:#12151b;--surface-2:#0e1116;--line:#ffffff14;--text:#f4f6f8;--muted:#c3c9d2;--gold:#f2a71b;--gold-ink:#101317;--blue:#58b0e3}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{color:var(--text);background:var(--bg);margin:0;font-family:HK Grotesk,system-ui,sans-serif;font-size:16px;line-height:1.55}a{color:var(--text)}h1,h2,h3{letter-spacing:-.03em;font-weight:800;line-height:1.1}h1 em,h2 em{color:var(--blue);font-style:italic;font-weight:600}.nav{z-index:10;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);background:#0b0d1099;position:sticky;top:0}.nav-inner{justify-content:space-between;align-items:center;gap:12px;max-width:960px;margin:0 auto;padding:14px 20px;display:flex}.nav img{width:auto;height:34px;display:block}.link-btn{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0;font-size:14px;font-weight:500}.link-btn:hover{color:var(--text)}.wrap{max-width:960px;margin:0 auto;padding:40px 20px 72px}.page-title{margin:0 0 8px;font-size:clamp(32px,6vw,48px)}.lead{color:var(--muted);margin:0 0 32px;font-size:18px}.eyebrow{color:var(--gold);letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px;font-size:12px;font-weight:700}.muted{color:var(--muted);font-size:14px}.grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;display:grid}.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;text-decoration:none;display:block}.card h2{margin:0 0 8px;font-size:24px}a.card{transition:border-color .15s,transform .15s}a.card:hover{border-color:#f2a71ba6;transform:translateY(-2px)}.card.locked h2{color:var(--muted)}.section-title{letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin:36px 0 10px;font-size:13px;font-weight:700}.lessons{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin:0;padding:0;list-style:none;overflow:hidden}.lessons li+li{border-top:1px solid var(--line)}.lessons a{align-items:baseline;gap:14px;padding:16px 20px;font-weight:500;text-decoration:none;display:flex}.lessons a:hover{background:var(--surface-2)}.lessons .num{color:var(--muted);font-variant-numeric:tabular-nums;min-width:22px;font-size:13px}.crumb{color:var(--muted);margin:0 0 8px;font-size:14px}.crumb a{color:var(--muted)}.lesson-title{margin:0 0 22px;font-size:clamp(26px,4.5vw,38px)}.player{border:1px solid var(--line);background:#000;border-radius:14px;padding-top:56.25%;position:relative;overflow:hidden}.player iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.files{margin-top:20px}.files strong{margin-bottom:8px;display:block}.files a{color:var(--gold);margin:4px 0;font-weight:500;text-decoration:none;display:inline-flex}.files a:hover{text-decoration:underline}.content{color:var(--muted);overflow-wrap:anywhere;margin-top:24px;font-size:17px}.content h2,.content h3{color:var(--text);font-size:22px}.content a{color:var(--blue)}.lesson-nav{flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:36px;display:flex}.btn{font:inherit;cursor:pointer;background:var(--gold);color:var(--gold-ink);border:0;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:14px 24px;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex;box-shadow:0 8px 30px #f2a71b38}.btn:disabled{opacity:.6;cursor:default;box-shadow:none}.btn.linha{color:var(--text);box-shadow:none;background:0 0;border:1px solid #ffffff38;font-weight:500}.login{max-width:420px;margin:8vh auto 0}.login-logo{width:auto;height:54px;margin:0 auto 28px;display:block}.login-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px}label{color:var(--muted);font-size:15px;font-weight:500}.card .btn{margin-top:16px;padding:10px 16px;font-size:14px}form{gap:14px;display:grid}input{font:inherit;background:var(--surface-2);width:100%;color:var(--text);border:1px solid 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