:root{
  --bg:#0a0610; --bg-2:#120a1e;
  --panel:rgba(255,255,255,.04); --panel-2:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.09); --border-2:rgba(168,107,255,.28);
  --text:#ece8f5; --muted:#9b93ad; --faint:#6c6480;
  --purple:#a86bff; --purple-2:#7c3aed; --purple-glow:rgba(168,107,255,.45);
  --green:#3ddc84; --amber:#ffb84d;
  --r:18px; --r-sm:11px; --ease:cubic-bezier(.22,1,.36,1);
  --sidebar:300px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Manrope',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-2;background:
  radial-gradient(55% 45% at 12% 0%, rgba(124,58,237,.18), transparent 60%),
  radial-gradient(50% 40% at 92% 8%, rgba(168,107,255,.12), transparent 60%),
  var(--bg);}
h1,h2,h3,h4,.display{font-family:'Sora',sans-serif;letter-spacing:-.02em;line-height:1.15}
a{color:var(--purple);text-decoration:none}
a:hover{text-decoration:underline}
code{background:rgba(168,107,255,.12);border:1px solid var(--border-2);padding:1px 6px;border-radius:6px;font-size:.86em;font-family:ui-monospace,monospace;color:#d9b8ff}

/* LAYOUT */
.shell{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100vh}
.main{min-width:0;padding:0 0 80px}
.container{max-width:780px;margin:0 auto;padding:0 28px}

/* SIDEBAR */
.sidebar{position:sticky;top:0;height:100vh;overflow-y:auto;border-right:1px solid var(--border);background:rgba(10,6,16,.6);backdrop-filter:blur(12px);padding:22px 18px}
.sb-brand{display:flex;align-items:center;gap:10px;font-family:'Sora';font-weight:700;font-size:1rem;margin-bottom:4px}
.flame{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--purple),var(--purple-2));display:grid;place-items:center;font-size:14px;box-shadow:0 0 16px var(--purple-glow);flex:none}
.sb-course{font-size:.78rem;color:var(--faint);margin-bottom:16px;padding-left:36px}
.sb-progress{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-sm);padding:12px 13px;margin-bottom:18px}
.sb-progress .row{display:flex;justify-content:space-between;font-size:.76rem;color:var(--muted);margin-bottom:7px}
.sb-progress b{font-family:'Sora';color:var(--text)}
.sb-bar{height:7px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}
.sb-fill{height:100%;width:0;background:linear-gradient(90deg,var(--purple),var(--purple-2));border-radius:99px;transition:width .6s var(--ease)}
.sb-plan{font-size:.68rem;color:var(--green);border:1px solid rgba(61,220,132,.3);background:rgba(61,220,132,.08);border-radius:6px;padding:2px 8px;display:inline-block;margin-top:10px;font-weight:700;letter-spacing:.04em}

.sb-phase{margin-bottom:4px}
.sb-phase-h{display:flex;align-items:center;gap:9px;padding:8px 9px;border-radius:9px;cursor:pointer;user-select:none;transition:background .15s}
.sb-phase-h:hover{background:var(--panel-2)}
.sb-pn{flex:none;width:22px;height:22px;border-radius:6px;background:rgba(168,107,255,.12);border:1px solid var(--border-2);color:var(--purple);font-family:'Sora';font-weight:700;font-size:.72rem;display:grid;place-items:center}
.sb-phase.done .sb-pn{background:rgba(61,220,132,.16);border-color:rgba(61,220,132,.4);color:var(--green)}
.sb-pt{flex:1;font-size:.82rem;font-weight:600;min-width:0}
.sb-pcount{font-size:.68rem;color:var(--faint);font-variant-numeric:tabular-nums}
.sb-lessons{display:none;padding:2px 0 6px 31px}
.sb-phase.open .sb-lessons{display:block}
.sb-lesson{display:flex;align-items:center;gap:8px;padding:5px 8px;border-radius:7px;font-size:.8rem;color:var(--muted);transition:.15s}
.sb-lesson:hover{background:var(--panel-2);color:var(--text);text-decoration:none}
.sb-lesson.active{background:rgba(168,107,255,.14);color:var(--text)}
.sb-tick{flex:none;width:15px;height:15px;border-radius:5px;border:1.5px solid var(--border);display:grid;place-items:center}
.sb-lesson.complete .sb-tick{background:var(--green);border-color:var(--green)}
.sb-tick svg{opacity:0}
.sb-lesson.complete .sb-tick svg{opacity:1}
.sb-lock{font-size:.7rem;opacity:.6;flex:none}

/* MOBILE TOPBAR */
.topbar{display:none;position:sticky;top:0;z-index:60;align-items:center;justify-content:space-between;padding:12px 18px;background:rgba(10,6,16,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.menu-btn{background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:9px;padding:8px 12px;cursor:pointer;font-size:1rem}

/* DASHBOARD */
.hero{padding:60px 0 24px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--purple);padding:6px 13px;border:1px solid var(--border-2);border-radius:999px;background:rgba(168,107,255,.08);margin-bottom:18px}
.hero h1{font-size:clamp(2rem,5vw,3rem);font-weight:800}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--purple),#d9b8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:1.05rem;max-width:60ch;margin-top:14px}
.hero-cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}

.phase-card{border:1px solid var(--border);border-radius:var(--r);background:var(--panel);padding:22px 24px;margin-bottom:14px;transition:border-color .25s}
.phase-card:hover{border-color:var(--border-2)}
.phase-card.done{border-color:rgba(61,220,132,.3)}
.pc-head{display:flex;align-items:center;gap:14px;margin-bottom:4px}
.pc-idx{flex:none;width:36px;height:36px;border-radius:10px;background:rgba(168,107,255,.12);border:1px solid var(--border-2);color:var(--purple);font-family:'Sora';font-weight:700;display:grid;place-items:center}
.phase-card.done .pc-idx{background:rgba(61,220,132,.16);border-color:rgba(61,220,132,.4);color:var(--green)}
.pc-head h3{font-size:1.15rem;flex:1}
.pc-head .pc-meta{font-size:.76rem;color:var(--faint)}
.pc-sub{color:var(--muted);font-size:.9rem;margin:0 0 14px 50px}
.pc-lessons{display:flex;flex-wrap:wrap;gap:7px;margin-left:50px}
.pc-chip{font-size:.76rem;color:var(--muted);border:1px solid var(--border);background:var(--panel-2);border-radius:99px;padding:4px 11px;display:inline-flex;align-items:center;gap:6px;transition:.15s}
.pc-chip:hover{border-color:var(--purple);color:var(--text);text-decoration:none}
.pc-chip.complete{color:var(--green);border-color:rgba(61,220,132,.3)}
.pc-dot{width:6px;height:6px;border-radius:50%;background:var(--faint)}
.pc-chip.complete .pc-dot{background:var(--green)}

/* LESSON PAGE */
.lesson-head{padding:42px 0 8px}
.bc{font-size:.78rem;color:var(--faint);margin-bottom:14px}
.bc a{color:var(--muted)}
.lesson-head .pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.free-pill{font-size:.68rem;font-weight:700;letter-spacing:.05em;color:var(--green);border:1px solid rgba(61,220,132,.3);background:rgba(61,220,132,.1);padding:2px 9px;border-radius:6px}
.mins-pill{font-size:.68rem;font-weight:700;color:var(--muted);border:1px solid var(--border);padding:2px 9px;border-radius:6px}
.lesson-head h1{font-size:clamp(1.7rem,3.6vw,2.3rem);font-weight:800}
.lead{color:var(--muted);font-size:1.08rem;margin-top:14px}

.lesson-body{margin-top:18px;font-size:1.02rem}
.lesson-body h2{font-size:1.3rem;margin:34px 0 12px;display:flex;align-items:center;gap:10px}
.lesson-body h2 .ic{width:28px;height:28px;border-radius:8px;background:rgba(168,107,255,.12);border:1px solid var(--border-2);display:grid;place-items:center;font-size:14px}
.callout{border:1px solid var(--border-2);background:rgba(168,107,255,.06);border-left:3px solid var(--purple);border-radius:10px;padding:16px 18px;margin:18px 0}
.callout .lab{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--purple);margin-bottom:6px}
.steps{counter-reset:s;list-style:none;margin:6px 0}
.steps li{position:relative;padding:11px 0 11px 44px;border-bottom:1px solid rgba(255,255,255,.05)}
.steps li:last-child{border-bottom:none}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:9px;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--purple),var(--purple-2));color:#fff;font-family:'Sora';font-weight:700;font-size:.85rem;display:grid;place-items:center}
.tips{list-style:none;margin:6px 0}
.tips li{position:relative;padding:7px 0 7px 26px;color:var(--muted);font-size:.95rem}
.tips li::before{content:"\2192";position:absolute;left:0;color:var(--amber);font-weight:700}

.ref{margin:18px 0;border:1px solid var(--border);border-radius:12px;background:rgba(0,0,0,.2);overflow:hidden}
.ref-h{padding:11px 16px;font-size:.78rem;font-weight:700;letter-spacing:.02em;color:var(--purple);border-bottom:1px solid var(--border);background:var(--panel-2)}
.ref-body{padding:14px 16px}
.ref-g{font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--faint);margin:14px 0 7px}
.ref-g:first-child{margin-top:0}
.ref-ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:6px 18px}
.ref-ul.wide{grid-template-columns:1fr}
.ref-ul li{font-size:.88rem;color:var(--muted);padding-left:16px;position:relative;line-height:1.55}
.ref-ul li::before{content:"\2192";position:absolute;left:0;color:var(--purple);opacity:.65}

.img-slot{border:1.5px dashed var(--border-2);border-radius:12px;background:rgba(168,107,255,.04);padding:26px;text-align:center;margin:20px 0;color:var(--faint);font-size:.85rem}
.img-slot b{display:block;color:var(--muted);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:5px}

/* COMPLETE + NAV */
.complete-bar{display:flex;align-items:center;gap:14px;margin:34px 0 8px;padding:18px 20px;border:1px solid var(--border);border-radius:var(--r);background:var(--panel)}
.btn{font-family:'Sora';font-weight:600;font-size:.92rem;border:none;cursor:pointer;padding:12px 20px;border-radius:11px;transition:.2s;display:inline-flex;align-items:center;gap:9px;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--purple),var(--purple-2));color:#fff;box-shadow:0 8px 24px -8px var(--purple-glow)}
.btn-primary:hover{transform:translateY(-1px);text-decoration:none}
.btn-ghost{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--purple);text-decoration:none}
.btn-done{background:rgba(61,220,132,.15);color:var(--green);border:1px solid rgba(61,220,132,.4)}
.complete-bar .ct{flex:1;font-size:.9rem;color:var(--muted)}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:18px}
.pager a{flex:1;border:1px solid var(--border);border-radius:var(--r);background:var(--panel);padding:15px 18px;transition:.2s}
.pager a:hover{border-color:var(--purple);text-decoration:none}
.pager .dir{font-size:.72rem;color:var(--faint);text-transform:uppercase;letter-spacing:.08em}
.pager .nm{font-family:'Sora';font-weight:600;font-size:.95rem;color:var(--text);margin-top:3px}
.pager .nx{text-align:right}
.pager .empty{visibility:hidden}

/* PAYWALL */
.paywall{position:relative;border:1px solid var(--border-2);border-radius:var(--r);background:var(--panel);padding:40px 32px;text-align:center;margin:24px 0}
.paywall h2{font-size:1.5rem;justify-content:center}
.paywall p{color:var(--muted);margin:12px auto 22px;max-width:46ch}
.locked-blur{filter:blur(6px);pointer-events:none;user-select:none;opacity:.5}

.footnote{text-align:center;color:var(--faint);font-size:.8rem;padding:50px 0 30px}

@media(max-width:900px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;z-index:70;width:84%;max-width:320px;transform:translateX(-100%);transition:transform .3s var(--ease)}
  .sidebar.open{transform:translateX(0)}
  .topbar{display:flex}
  .ref-ul{grid-template-columns:1fr}
  .scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:65}
  .scrim.show{display:block}
}

/* ── sidebar utility links ── */
.sb-util{display:block;font-size:.82rem;font-weight:600;color:var(--muted);padding:8px 9px;border-radius:9px;margin-bottom:6px;transition:.15s}
.sb-util:hover{background:var(--panel-2);color:var(--text);text-decoration:none}
.sb-util.feat{color:var(--purple)}
.sb-lesson[data-mlink]{color:var(--faint);font-style:italic}

/* ── module overview list ── */
.ml-list{margin-top:24px}
.ml-row{display:flex;align-items:center;gap:14px;padding:15px 18px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--panel);margin-bottom:10px;transition:.2s}
.ml-row:hover{border-color:var(--purple);text-decoration:none}
.ml-num{flex:none;width:30px;height:30px;border-radius:8px;background:rgba(168,107,255,.12);border:1px solid var(--border-2);color:var(--purple);font-family:'Sora';font-weight:700;font-size:.85rem;display:grid;place-items:center}
.ml-tick{flex:none;width:18px;height:18px;border-radius:6px;border:1.5px solid var(--border);display:grid;place-items:center}
.ml-row.complete .ml-tick{background:var(--green);border-color:var(--green)}
.ml-tick svg{opacity:0}.ml-row.complete .ml-tick svg{opacity:1}
.ml-row.complete .ml-num{background:rgba(61,220,132,.16);border-color:rgba(61,220,132,.4);color:var(--green)}
.ml-t{flex:1;font-family:'Sora';font-weight:600;font-size:.98rem;color:var(--text)}
.ml-tool{font-size:.68rem;font-weight:700;letter-spacing:.04em;color:var(--green);border:1px solid rgba(61,220,132,.25);border-radius:6px;padding:2px 8px;white-space:nowrap}

/* dashboard card header becomes a link */
a.pc-head:hover{text-decoration:none}
a.pc-head h3{transition:color .15s}
a.pc-head:hover h3{color:var(--purple)}

/* ── feature / case-study band ── */
.feature-band{display:flex;align-items:center;gap:24px;justify-content:space-between;border:1px solid var(--border-2);border-radius:var(--r);background:linear-gradient(120deg,rgba(124,58,237,.12),rgba(168,107,255,.05));padding:26px 28px;margin:30px 0}
.feature-band .lab{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--purple);margin-bottom:6px}
.feature-band h3{font-size:1.3rem;margin-bottom:8px}
.feature-band p{color:var(--muted);font-size:.92rem;max-width:60ch;margin:0}
.feature-band .btn{flex:none}
.feature-band.clutch{background:linear-gradient(120deg,rgba(255,184,77,.1),rgba(168,107,255,.05));border-color:rgba(255,184,77,.3)}
.feature-band.clutch .lab{color:var(--amber)}
@media(max-width:760px){.feature-band{flex-direction:column;align-items:flex-start}}

/* ── case-study form ── */
.cs-form{margin-top:22px}
.fs{border:1px solid var(--border);border-radius:var(--r);background:var(--panel);padding:20px 22px;margin-bottom:16px}
.fs-h{font-family:'Sora';font-weight:700;font-size:1rem;margin-bottom:14px;color:var(--text)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{display:flex;flex-direction:column;gap:6px}
.fld.wide{grid-column:1/-1;margin-top:14px}
.fld>span{font-size:.8rem;font-weight:600;color:var(--muted)}
.fld i{color:var(--purple);font-style:normal}
.fld input,.fld textarea{background:rgba(0,0,0,.25);border:1px solid var(--border);border-radius:9px;padding:11px 13px;color:var(--text);font-family:inherit;font-size:.92rem;transition:.2s}
.fld input:focus,.fld textarea:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 3px rgba(168,107,255,.16)}
.fld input::placeholder,.fld textarea::placeholder{color:var(--faint)}
.chk{display:flex;align-items:flex-start;gap:10px;margin-top:16px;font-size:.88rem;color:var(--muted);cursor:pointer}
.chk input{margin-top:3px;width:17px;height:17px;accent-color:var(--purple);flex:none}
.cs-form>.btn{margin-top:6px}
@media(max-width:600px){.form-grid{grid-template-columns:1fr}}