:root{--bg:#07111f;--panel:#0d1c2f;--panel2:#10243b;--ink:#f5f8fb;--muted:#a9b7c6;--gold:#d7aa55;--blue:#2f7ddd;--green:#70d99a;--line:#20334a;--danger:#ff9f9f}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;background:linear-gradient(180deg,#07111f,#0b1728 65%,#07111f);color:var(--ink)}button,input{font:inherit}button{cursor:pointer}a{text-decoration:none;color:inherit}.wrap{max-width:1160px;margin:auto;padding:0 22px}.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid #ffffff12}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--gold),#f3d38d);color:#102030;display:grid;place-items:center}.navlinks{display:flex;align-items:center;gap:18px;color:#cbd6e2;font-size:14px}.nav-actions{display:flex;gap:9px;align-items:center}.btn{border:0;color:white;background:var(--blue);padding:11px 16px;border-radius:10px;font-weight:700}.btn.secondary{background:transparent;border:1px solid var(--line)}.btn.small{padding:8px 11px;font-size:13px}.hero{padding:78px 0 54px;display:grid;grid-template-columns:1.15fr .85fr;gap:42px}.eyebrow{color:#f0c36b;text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:700}h1{font-size:clamp(44px,6vw,70px);line-height:1.03;margin:14px 0 18px}h2{font-size:34px;margin:8px 0 14px}h3{margin:10px 0}p,.muted{color:var(--muted);line-height:1.6}.status,.card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:24px}.status-row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line)}.status-row:last-child{border:0}.ok{color:var(--green)}.locked{color:#f4ca73}.section{padding:54px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.course-card{display:flex;flex-direction:column}.course-card .grow{flex:1}.price{font-size:28px;font-weight:800;margin-top:18px}.notice{padding:16px 18px;border:1px solid #d7aa5540;background:#d7aa5512;border-radius:12px;color:#e8d5ad;margin:20px 0}.footer{padding:38px 0;border-top:1px solid #ffffff10;color:#8ea0b2}.tiny{font-size:12px}.hidden{display:none!important}.modal-backdrop{position:fixed;inset:0;background:#000a;display:grid;place-items:center;padding:20px;z-index:50}.modal{width:min(560px,100%);max-height:90vh;overflow:auto;background:#0b192b;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:0 40px 100px #000a}.modal-head{display:flex;justify-content:space-between;gap:12px}.close{background:transparent;border:1px solid var(--line);color:white;border-radius:9px;width:38px;height:38px}.field{display:grid;gap:7px;margin:16px 0}.field input{background:#071321;border:1px solid #29425f;color:white;border-radius:10px;padding:13px}.message{margin:13px 0;padding:12px;border-radius:10px;background:#132a45;color:#cfe0f2}.error{color:var(--danger)}.curriculum{display:grid;gap:14px}.module{border:1px solid var(--line);border-radius:14px;padding:16px}.lesson-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid var(--line)}.lesson-body{margin:12px 0;padding:18px;background:#081523;border-radius:12px}.progress{height:8px;background:#182b42;border-radius:999px;overflow:hidden}.progress>span{display:block;height:100%;background:var(--blue)}.learning-card{display:grid;gap:12px}.user-chip{font-size:13px;padding:8px 11px;border:1px solid var(--line);border-radius:999px;color:#d9e5f0}@media(max-width:900px){.hero,.grid{grid-template-columns:1fr}.navlinks{display:none}}@media(max-width:560px){.nav{align-items:flex-start;padding-top:14px;padding-bottom:14px}.nav-actions{flex-wrap:wrap;justify-content:flex-end}.hero{padding-top:50px}h1{font-size:44px}}
.actions-row{display:flex;gap:10px;flex-wrap:wrap}.quiz-question{border:1px solid var(--line);border-radius:14px;padding:16px;margin:16px 0}.quiz-question legend{padding:0 7px;font-weight:700}.quiz-option{display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:10px;margin:6px 0;background:#081523}.quiz-option input{margin-top:3px}.certificate-box{padding:18px;border-radius:14px;margin-top:16px;border:1px solid var(--line)}.certificate-valid{border-color:#2e7f50;background:#0c2a1a;color:#d9f7e4}.certificate-invalid{border-color:#8b3a3a;background:#2b1111;color:#ffd8d8}.verify-panel{max-width:720px}.verify-panel .field{max-width:520px}.learning-card .message .btn{margin-left:10px}