:root{
  --primary:#7C3AED;--secondary:#A855F7;--accent:#6366F1;
  --bg:#050816;--card:#0F172A;--text:#FFFFFF;--muted:#94A3B8;
  --border:rgba(148,163,184,.14);--ring:rgba(124,58,237,.45);
  --radius:18px;--radius-sm:12px;--maxw:1120px;
  --shadow:0 10px 30px -12px rgba(0,0,0,.7);
  --grad:linear-gradient(135deg,#7C3AED 0%,#A855F7 50%,#6366F1 100%);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0}

/* layout */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section--tight{padding:48px 0}
.eyebrow{color:var(--secondary);font-weight:600;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px}
.h2{font-size:clamp(1.7rem,6vw,2.6rem);line-height:1.15;font-weight:800;letter-spacing:-.02em}
.lead{color:var(--muted);font-size:1.02rem;max-width:620px;margin:14px auto 0}
.center{text-align:center}
.text-grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:1rem;padding:15px 24px;border-radius:14px;
  min-height:52px;transition:transform .15s ease,box-shadow .2s ease,opacity .2s ease;
  width:100%;text-align:center}
.btn:active{transform:scale(.985)}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px -8px var(--ring)}
.btn--primary:hover{box-shadow:0 12px 30px -8px var(--ring)}
.btn--ghost{background:rgba(255,255,255,.04);color:#fff;border:1px solid var(--border)}
.btn--ghost:hover{background:rgba(255,255,255,.08)}
.btn--block{width:100%}
@media(min-width:560px){.btn{width:auto}.btn--block{width:100%}}

/* nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(5,8,22,.72);border-bottom:1px solid var(--border)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:1.1rem}
.brand__dot{width:26px;height:26px;border-radius:8px;background:var(--grad);box-shadow:0 4px 14px -4px var(--ring)}
.brand__logo{width:28px;height:28px;border-radius:8px;object-fit:contain;display:block;flex:0 0 auto}
@media(min-width:860px){.brand__logo{width:30px;height:30px}}
.auth-card .brand__logo{width:34px;height:34px}
.nav__links{display:none;gap:26px;color:var(--muted);font-size:.95rem;font-weight:500}
.nav__links a:hover{color:#fff}
.nav__cta{display:none}
@media(min-width:860px){.nav__links{display:flex}.nav__cta{display:inline-flex;width:auto;padding:10px 18px;min-height:0}}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 64px}
.hero::before{content:"";position:absolute;inset:-30% -20% auto;height:520px;
  background:radial-gradient(60% 60% at 50% 0%,rgba(124,58,237,.35),transparent 70%);
  filter:blur(10px);z-index:0;pointer-events:none}
.hero__inner{position:relative;z-index:1;text-align:center}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;color:#cbd5e1;
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  padding:7px 14px;border-radius:999px;margin-bottom:22px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 10px #34d399}
.hero h1{font-size:clamp(2.1rem,9vw,4rem);line-height:1.05;font-weight:800;letter-spacing:-.03em}
.hero p{color:var(--muted);font-size:1.06rem;max-width:600px;margin:18px auto 0}
.hero__cta{display:flex;flex-direction:column;gap:12px;max-width:380px;margin:30px auto 0}
@media(min-width:560px){.hero__cta{flex-direction:row;max-width:none;justify-content:center}}
.trust{display:flex;flex-wrap:wrap;gap:18px 28px;justify-content:center;margin-top:34px;
  color:var(--muted);font-size:.86rem}
.trust span{display:inline-flex;align-items:center;gap:7px}
.trust .star{color:#fbbf24}

/* grid cards */
.grid{display:grid;gap:16px;grid-template-columns:1fr;margin-top:36px}
@media(min-width:600px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.grid--4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);transition:transform .18s ease,border-color .2s ease}
.card:hover{transform:translateY(-3px);border-color:rgba(124,58,237,.4)}
.card__ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(124,58,237,.22),rgba(99,102,241,.18));
  border:1px solid var(--border);font-size:1.3rem;margin-bottom:14px}
.card h3{font-size:1.08rem;font-weight:700;margin-bottom:6px}
.card p{color:var(--muted);font-size:.92rem}

/* accordion (curriculum + faq) */
.accordion{margin-top:30px;display:flex;flex-direction:column;gap:12px}
.acc{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.acc__head{display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;background:transparent;color:#fff;text-align:left;
  padding:18px 20px;font-size:1.02rem;font-weight:600;min-height:60px}
.acc__head .meta{color:var(--muted);font-size:.82rem;font-weight:500}
.acc__icon{flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);transition:transform .25s ease;font-size:1.1rem}
.acc.open .acc__icon{transform:rotate(45deg)}
.acc__body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc__inner{padding:0 20px 18px;color:var(--muted);font-size:.95rem}
.lesson{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;border-top:1px solid var(--border)}
.lesson:first-child{border-top:0}
.lesson .l-title{display:flex;align-items:center;gap:10px;color:#e2e8f0}
.lesson .l-num{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  font-size:.72rem;background:rgba(124,58,237,.18);color:#c4b5fd;flex:0 0 auto}

/* comparison */
.compare{display:grid;gap:16px;grid-template-columns:1fr;margin-top:30px}
@media(min-width:760px){.compare{grid-template-columns:1fr 1fr}}
.compare__col{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.compare__col--win{border-color:rgba(124,58,237,.5);box-shadow:0 14px 40px -18px var(--ring)}
.compare__col h3{font-size:1.1rem;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.compare li{list-style:none;display:flex;gap:11px;align-items:flex-start;padding:9px 0;color:var(--muted);font-size:.95rem}
.compare .mark{flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:.78rem;margin-top:1px}
.mark--no{background:rgba(239,68,68,.16);color:#f87171}
.mark--yes{background:rgba(52,211,153,.16);color:#34d399}

/* showcase */
.showcase{display:grid;gap:16px;grid-template-columns:repeat(2,1fr);margin-top:30px}
@media(min-width:760px){.showcase{grid-template-columns:repeat(3,1fr)}}
.shot{position:relative;aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);
  background:linear-gradient(135deg,#111827,#1e1b4b);
  display:grid;place-items:center}
.shot[data-img]{background-size:cover;background-position:center}
.shot__tag{position:absolute;left:10px;bottom:10px;font-size:.72rem;color:#cbd5e1;
  background:rgba(5,8,22,.6);border:1px solid var(--border);padding:4px 9px;border-radius:8px}
.shot__ph{color:var(--muted);font-size:.8rem;text-align:center;padding:14px}

/* instructor */
.instructor{display:grid;gap:24px;grid-template-columns:1fr;align-items:center;margin-top:30px}
@media(min-width:760px){.instructor{grid-template-columns:200px 1fr}}
.instructor__photo{width:160px;height:160px;border-radius:24px;margin:0 auto;
  background:var(--grad);display:grid;place-items:center;font-size:3rem;font-weight:800;
  box-shadow:var(--shadow)}
.instructor h3{font-size:1.4rem}
.instructor .role{color:var(--secondary);font-weight:600;margin:4px 0 12px}
.instructor p{color:var(--muted)}

/* pricing */
.pricing{max-width:440px;margin:34px auto 0}
.price-card{background:var(--card);border:1px solid rgba(124,58,237,.45);border-radius:24px;
  padding:30px 26px;box-shadow:0 20px 60px -24px var(--ring);position:relative;overflow:hidden}
.price-card::before{content:"";position:absolute;inset:0 0 auto;height:5px;background:var(--grad)}
.price-tag{display:flex;align-items:baseline;gap:8px;margin:6px 0 4px}
.price-tag .amt{font-size:3rem;font-weight:800;letter-spacing:-.02em}
.price-tag .old{color:var(--muted);text-decoration:line-through;font-size:1.1rem}
.price-sub{color:var(--muted);font-size:.9rem;margin-bottom:20px}
.price-card ul{list-style:none;margin:0 0 24px}
.price-card li{display:flex;gap:11px;align-items:center;padding:9px 0;font-size:.96rem}
.price-card li .tick{width:22px;height:22px;border-radius:50%;background:rgba(52,211,153,.16);
  color:#34d399;display:grid;place-items:center;font-size:.78rem;flex:0 0 auto}

/* final cta */
.finalcta{position:relative;text-align:center;border-radius:28px;overflow:hidden;
  padding:56px 24px;border:1px solid var(--border);
  background:radial-gradient(80% 120% at 50% 0%,rgba(124,58,237,.28),transparent 60%),var(--card)}
.finalcta h2{font-size:clamp(1.8rem,7vw,3rem);font-weight:800;letter-spacing:-.02em}
.finalcta p{color:var(--muted);max-width:520px;margin:14px auto 26px}
.finalcta .btn{max-width:340px;margin:0 auto}

/* footer */
.footer{border-top:1px solid var(--border);padding:40px 0;color:var(--muted);font-size:.9rem}
.footer__grid{display:flex;flex-direction:column;gap:18px;justify-content:space-between}
@media(min-width:700px){.footer__grid{flex-direction:row;align-items:center}}
.footer a:hover{color:#fff}

/* auth pages */
.auth-wrap{min-height:100dvh;display:grid;place-items:center;padding:32px 20px;position:relative;overflow:hidden}
.auth-wrap::before{content:"";position:absolute;inset:-30% -20% auto;height:420px;
  background:radial-gradient(60% 60% at 50% 0%,rgba(124,58,237,.3),transparent 70%);pointer-events:none}
.auth-card{position:relative;z-index:1;width:100%;max-width:420px;background:var(--card);
  border:1px solid var(--border);border-radius:24px;padding:30px 26px;box-shadow:var(--shadow)}
.auth-card .brand{justify-content:center;margin-bottom:20px}
.auth-card h1{font-size:1.5rem;text-align:center}
.auth-card .sub{color:var(--muted);text-align:center;font-size:.92rem;margin:6px 0 24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;color:#cbd5e1;margin-bottom:7px;font-weight:500}
.field input{width:100%;background:rgba(255,255,255,.03);border:1px solid var(--border);
  border-radius:12px;padding:14px 15px;color:#fff;font-size:1rem;min-height:52px;transition:border-color .2s,box-shadow .2s}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}
.field input::placeholder{color:#64748b}
.auth-row{display:flex;align-items:center;justify-content:space-between;font-size:.85rem;margin-bottom:18px}
.auth-row a{color:var(--secondary)}
.auth-foot{text-align:center;color:var(--muted);font-size:.9rem;margin-top:20px}
.auth-foot a{color:var(--secondary);font-weight:600}
.notice{font-size:.82rem;border-radius:12px;padding:11px 14px;margin-bottom:18px;display:none}
.notice.show{display:block}
.notice--err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5}
.notice--ok{background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.3);color:#6ee7b7}
.notice--warn{background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.3);color:#fcd34d}

/* dashboard */
.dash{min-height:100dvh}
.dash__bar{position:sticky;top:0;z-index:40;background:rgba(5,8,22,.8);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border)}
.dash__bar .nav__inner{height:62px}
.dash__main{display:grid;gap:22px;grid-template-columns:1fr;padding:24px 0 60px}
@media(min-width:900px){.dash__main{grid-template-columns:300px 1fr;align-items:start}}
.dash__side{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.dash__side h4{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:6px 8px 12px}
.mod-list{display:flex;flex-direction:column;gap:6px}
.mod-list button{width:100%;text-align:left;background:transparent;color:#cbd5e1;
  padding:11px 12px;border-radius:10px;font-size:.92rem;font-weight:500}
.mod-list button:hover{background:rgba(255,255,255,.05)}
.mod-list button.active{background:rgba(124,58,237,.16);color:#fff}
.player{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.player__frame{position:relative;aspect-ratio:16/9;background:#000}
.player__frame iframe,.player__frame .ph{position:absolute;inset:0;width:100%;height:100%;border:0}
.player__frame .ph{display:grid;place-items:center;color:var(--muted);text-align:center;padding:20px;
  background:linear-gradient(135deg,#0b1220,#1e1b4b)}
.player__meta{padding:18px 20px}
.player__meta h2{font-size:1.2rem}
.player__meta p{color:var(--muted);font-size:.9rem;margin-top:4px}
.les-list{margin-top:18px;display:flex;flex-direction:column;gap:8px}
.les-list button{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;
  text-align:left;background:rgba(255,255,255,.02);border:1px solid var(--border);
  border-radius:12px;padding:13px 15px;color:#e2e8f0;font-size:.93rem;min-height:52px}
.les-list button:hover{border-color:rgba(124,58,237,.4)}
.les-list button.active{border-color:var(--primary);background:rgba(124,58,237,.12)}
.les-list .dur{color:var(--muted);font-size:.8rem}

/* dashboard - single training layout (additive) */
.dash__main--single{grid-template-columns:1fr;max-width:860px}
@media(min-width:900px){.dash__main--single{grid-template-columns:1fr}}
.dash__welcome{margin-bottom:4px}
.dash__welcome h1{font-size:clamp(1.4rem,5vw,1.9rem);font-weight:800;letter-spacing:-.02em}
.dash__welcome p{color:var(--muted);font-size:.95rem;margin-top:6px}
.dash__cards{display:grid;gap:16px;grid-template-columns:1fr;padding:0 20px 20px}
@media(min-width:640px){.dash__cards{grid-template-columns:1fr 1fr}}
.dash__card{background:rgba(255,255,255,.02);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px}
.dash__card h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.dash__card p{color:var(--muted);font-size:.9rem}
.dash__card a{color:var(--secondary);font-weight:600}
.dash__card .accordion{margin-top:4px}

.skip-link{position:absolute;left:-999px}
.hide{display:none!important}

/* legal / content pages */
.legal{max-width:760px;margin:0 auto;padding:48px 0}
.legal h1{font-size:clamp(1.8rem,6vw,2.4rem);font-weight:800;letter-spacing:-.02em}
.legal .updated{color:var(--muted);font-size:.85rem;margin:8px 0 28px}
.legal h2{font-size:1.15rem;margin:28px 0 8px;font-weight:700}
.legal p,.legal li{color:#cbd5e1;font-size:.97rem}
.legal ul{margin:8px 0 8px 20px}
.legal li{margin:6px 0}
.legal a{color:var(--secondary)}
.legal .card{margin-top:24px}
.legal .field input,.legal .field textarea{width:100%;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:12px;padding:14px 15px;color:#fff;font-size:1rem;font-family:inherit}
.legal .field textarea{min-height:140px;resize:vertical}
.legal .field input:focus,.legal .field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}