:root{--bg: #000000;--surface: #14110e;--surface2: #1d1813;--border: #3a2a1a;--text: #ffffff;--muted: #b9a58f;--accent-1: #ff8c00;--accent-2: #ff4500;--accent-deep: #8c3b00}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif}a{color:inherit;text-decoration:none}.accent{background:linear-gradient(90deg,var(--accent-1),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.muted{color:var(--muted)}.topnav{display:flex;align-items:center;justify-content:space-between;padding:10px 24px;border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:5;flex-wrap:wrap;gap:8px}.brand img{height:42px}.navlinks{display:flex;gap:6px;flex-wrap:wrap}.navlinks a{padding:7px 12px;border-radius:8px;color:var(--muted);font-weight:600;font-size:14px}.navlinks a.active,.navlinks a:hover{color:var(--text);background:var(--surface2)}.hero{text-align:center;padding:60px 20px 40px}.hero-logo{width:220px;max-width:70%;margin-bottom:16px}.hero h1{font-size:40px;margin:10px 0}.hero p{color:var(--muted);max-width:620px;margin:0 auto;font-size:17px}.cta{display:flex;gap:12px;justify-content:center;margin-top:24px;flex-wrap:wrap}.btn{display:inline-block;padding:11px 20px;border-radius:10px;border:1px solid var(--border);background:var(--surface2);color:var(--text);font-weight:700;cursor:pointer;font-size:15px}.btn:hover{border-color:var(--accent-1)}.btn.primary{background:linear-gradient(90deg,var(--accent-1),var(--accent-2));border-color:transparent;color:#000}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;padding:20px 24px 60px;max-width:1100px;margin:0 auto}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px}.card h3,.card h4{margin-top:0}.page{padding:24px;max-width:1200px;margin:0 auto}.page-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}input,select,textarea{background:var(--surface2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:9px 11px;font:inherit}textarea{width:100%;margin:10px 0}.tbl{width:100%;border-collapse:collapse;margin-top:12px;background:var(--surface);border-radius:12px;overflow:hidden}.tbl th,.tbl td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}.tbl th{color:var(--muted);font-weight:600;background:var(--surface2)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-bottom:20px}.bar{height:8px;background:var(--surface2);border-radius:6px;overflow:hidden;margin:10px 0 6px}.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--accent-1),var(--accent-2))}.student{display:grid;grid-template-columns:280px 1fr;gap:20px;max-width:1200px}.sidebar{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px;height:fit-content}.sidebar h3{margin:4px 4px 12px;font-size:16px}.lesson{display:block;width:100%;text-align:left;padding:10px 12px;margin-bottom:6px;border-radius:9px;border:1px solid transparent;background:transparent;color:var(--text);cursor:pointer;font:inherit}.lesson:hover{background:var(--surface2)}.lesson.active{border-color:var(--accent-1);background:var(--surface2)}.lesson:disabled{color:var(--muted);cursor:not-allowed}.content h2{margin-top:0}.video-placeholder{aspect-ratio:16 / 9;background:#000;border:1px dashed var(--accent-1);border-radius:14px;display:grid;place-items:center;color:var(--muted);margin-bottom:16px;font-size:18px}.opt{display:block;padding:6px 0;cursor:pointer}.result h3{color:var(--accent-1)}.cert-page{display:grid;place-items:center}.certificate{width:min(860px,100%);background:#0a0806;border:2px solid var(--accent-1);border-radius:18px;padding:40px;text-align:center}.certificate h1{font-size:40px;margin:14px 0;background:linear-gradient(90deg,var(--accent-1),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.cert-logo{height:70px}.cert-foot{display:flex;justify-content:space-between;align-items:center;margin-top:26px}.valid{color:#3ddc84;font-weight:700}.invalid{color:#ff5a5a;font-weight:700}.cert-foot img{width:150px;background:#fff;border-radius:8px;padding:6px}.lp-actions{display:flex;gap:8px;align-items:center}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:grid;place-items:center;z-index:50;padding:16px}.modal{width:min(420px,100%)}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.modal-head h3{margin:0}.modal-close{background:none;border:none;color:var(--muted);font-size:26px;cursor:pointer;line-height:1}.login-form{display:grid;gap:12px}.login-form label{display:grid;gap:6px;font-size:14px;color:var(--muted)}.login-form input{width:100%}.login-msg{color:var(--accent-1);font-size:14px;margin:0}.landing{min-height:100vh}.lp-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;background:var(--bg);flex-wrap:wrap}.lp-brand img{height:40px}.lp-nav{display:flex;gap:4px;flex-wrap:wrap}.lp-nav a{padding:7px 10px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:600}.lp-nav a:hover{color:var(--text);background:var(--surface2)}.btn.small{padding:8px 14px;font-size:14px}.lp-hero{text-align:center;padding:72px 20px 48px;border-bottom:1px solid var(--border);background:radial-gradient(ellipse at top,rgba(255,140,0,.12),transparent 60%)}.lp-hero h1{font-size:46px;line-height:1.15;margin:0 0 14px}.lp-sub{color:var(--muted);max-width:640px;margin:0 auto;font-size:17px}.progress{display:flex;gap:6px;max-width:420px;margin:28px auto 0}.progress span{flex:1;height:6px;border-radius:6px;background:linear-gradient(90deg,var(--accent-1),var(--accent-2));opacity:.35}.progress span:first-child{opacity:1}.lp-section{max-width:1100px;margin:0 auto;padding:56px 24px}.lp-section h2{font-size:30px;margin:0 0 22px;text-align:center}.eyebrow{text-align:center;color:var(--accent-1);font-weight:700;text-transform:uppercase;letter-spacing:1px;font-size:13px;margin:0 0 6px}.grid2,.grid3,.grid4{display:grid;gap:14px}.grid2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.grid4{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}.num{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));color:#000;font-weight:800;margin-bottom:10px}.step h3,.card h3{font-size:18px;margin:0 0 6px}.price{text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}.price .amount{font-size:26px;font-weight:800}.small-note{text-align:center;font-size:13px;margin-top:16px}.faq summary{cursor:pointer;font-weight:700;font-size:16px}.faq p{margin:10px 0 0}.faq+.faq{margin-top:10px}.lp-apply{text-align:center}.apply-form{display:grid;gap:12px;max-width:420px;margin:0 auto;text-align:left}.apply-form input{width:100%}.lp-contact{padding-top:24px}.contact{text-align:center;color:var(--text)}.contact p{color:var(--accent-1);font-weight:700;margin:0}.contact:hover{border-color:var(--accent-1)}.lp-footer{text-align:center;padding:36px 20px 90px;border-top:1px solid var(--border)}.socials{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin:12px 0}.socials a{color:var(--accent-1);font-weight:600}.lp-footer img{height:44px;margin-bottom:10px}.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;padding:10px;background:var(--bg);border-top:1px solid var(--border)}.mobile-cta .btn{width:100%;text-align:center}@media (max-width: 760px){.student{grid-template-columns:1fr}.hero h1,.lp-hero h1{font-size:30px}.lp-nav{display:none}.mobile-cta{display:block}}