:root{
  --canvas:#f9f8f6;--paper:#fff;--cream:#f0e9e1;--ink:#0c1754;--night:#070c26;--night2:#0d1436;--nline:#1d2752;
  --charcoal:#171417;--graphite:#3a3740;--stone:#67646c;--mist:#eaebf8;--mist-dim:#b9bfdc;
  --cobalt:#2545ff;--sky:#29abe2;--sky-text:#0a6f9e;--win:#1f8a5b;--loss:#c2413a;
  --display:Arial,'Helvetica Neue',Helvetica,sans-serif;--sans:'Archivo',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--canvas);color:var(--charcoal);font:400 16.5px/1.6 var(--sans);-webkit-font-smoothing:antialiased;min-height:100svh}
::selection{background:var(--ink);color:var(--canvas)}
:focus-visible{outline:2px solid var(--cobalt);outline-offset:3px;border-radius:6px}
a{color:var(--sky-text);text-underline-offset:4px}
img{display:block;max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.025em;line-height:1.08}
h1 em,h2 em{font-style:italic;color:var(--ink)}
.hero h1 em,.hero h2 em{color:var(--sky)}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* top bar */
.bar{background:var(--canvas);border-bottom:1px solid var(--cream)}
.bar .wrap{display:flex;align-items:center;gap:20px;height:68px}
.lockup{display:inline-flex;align-items:center;gap:12px;text-decoration:none;margin-right:auto}
.lockup img{height:30px;width:auto}
.lockup span{font:600 12px var(--sans);font-variation-settings:"wdth" 125;letter-spacing:.28em;text-transform:uppercase;color:var(--sky-text)}
.bar .who{font-size:14px;color:var(--stone)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:100px;padding:13px 24px;font:600 15px var(--sans);text-decoration:none;border:0;cursor:pointer;transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease)}
.btn-primary{background:var(--cobalt);color:#fff}.btn-primary:hover{background:#1733d6}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--cream)}.btn-ghost:hover{border-color:var(--ink)}
.btn-dark{background:transparent;color:#fff;border:1px solid #3b4880}.btn-dark:hover{border-color:var(--sky);color:var(--sky)}
.btn[disabled]{opacity:.55;cursor:progress}
.btn-sm{padding:9px 16px;font-size:14px}

/* auth card */
.auth{min-height:calc(100svh - 69px);display:grid;place-items:center;padding:48px 16px}
.auth-card{width:100%;max-width:440px}
.auth-card h1{font-size:clamp(34px,5vw,46px)}
.auth-card .sub{margin-top:10px;color:var(--graphite)}
.tabs{display:flex;gap:4px;margin-top:28px;padding:4px;background:var(--paper);border:1px solid var(--cream);border-radius:100px}
.tabs button{flex:1;border:0;background:transparent;border-radius:100px;padding:10px;font:600 14.5px var(--sans);color:var(--stone);cursor:pointer}
.tabs button[aria-selected=true]{background:var(--ink);color:#fff}
form{margin-top:24px;display:grid;gap:16px}
label{display:grid;gap:6px;font:600 14px var(--sans);color:var(--graphite)}
input{font:400 16px var(--sans);padding:13px 16px;border-radius:14px;border:1px solid #d9d2c8;background:var(--paper);color:var(--charcoal)}
input:focus{outline:2px solid var(--cobalt);outline-offset:1px;border-color:transparent}
.hint{font-size:13.5px;color:var(--stone)}
.msg{padding:12px 16px;border-radius:14px;font-size:14.5px}
.msg.err{background:#fbeceb;color:#8a2a24}
.msg.ok{background:#e9f5ef;color:#185c3e}
.linkbtn{background:none;border:0;color:var(--sky-text);font:500 14px var(--sans);cursor:pointer;text-decoration:underline;text-underline-offset:4px;justify-self:start}

/* dashboard */
.hero{margin:16px;border-radius:28px;background:var(--night);color:var(--mist);padding:48px 0}
.hero h1{color:#fff;font-size:clamp(34px,4.6vw,56px)}
.status{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:22px;font-size:15px;color:var(--mist-dim)}
.status b{color:#fff;font-weight:600}
.unlock{margin-top:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:640px}
.unlock div{border:1px solid var(--nline);border-radius:14px;padding:12px 14px;font-size:14px;color:var(--mist-dim)}
.unlock div b{display:block;font:600 15px var(--sans);color:#fff}
.unlock .on{border-color:var(--sky)}
.unlock .on b::after{content:" · unlocked";color:var(--sky);font-weight:500}
.banner{margin-top:22px;padding:14px 18px;border-radius:14px;background:#2a1720;border:1px solid #5a2a35;color:#ffd3d3;font-size:15px;max-width:720px}
.progress{margin-top:28px;max-width:640px}
.progress .track{height:6px;border-radius:6px;background:var(--nline);overflow:hidden}
.progress .fill{height:100%;background:var(--sky);width:100%;transform:scaleX(0);transform-origin:left;transition:transform 1s var(--ease)}
.progress small{display:block;margin-top:8px;font-size:13.5px;color:var(--mist-dim)}

.section{padding:56px 0}
.section>h2{font-size:clamp(28px,3vw,38px)}
.modules{margin-top:28px;display:grid;gap:16px}
.module{background:var(--paper);border:1px solid var(--cream);border-radius:18px;overflow:hidden}
.module summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center;padding:22px 24px}
.module summary::-webkit-details-marker{display:none}
.module .wk{font:500 13px var(--mono);color:var(--stone)}
.module h3{font-size:21px}
.module p.ms{font-size:14.5px;color:var(--graphite);margin-top:2px}
.module .meta{font-size:13.5px;color:var(--stone);white-space:nowrap}
.module.locked summary{opacity:.62}
.lock{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--stone)}
.lessons{list-style:none;border-top:1px solid var(--cream)}
.lessons li a,.lessons li span.row{display:grid;grid-template-columns:28px 1fr auto;gap:14px;align-items:center;padding:14px 24px;border-bottom:1px solid var(--cream);text-decoration:none;color:var(--charcoal);font-size:15.5px}
.lessons li:last-child a,.lessons li:last-child span.row{border-bottom:0}
.lessons li a:hover{background:#fbfaf8}
.tick{width:20px;height:20px;border-radius:50%;border:1.5px solid #cfc5b7;display:grid;place-items:center}
.tick.done{background:var(--win);border-color:var(--win);color:#fff}
.tag{font:500 12px var(--sans);color:var(--sky-text);border:1px solid #cfe3ee;border-radius:100px;padding:2px 9px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.card{background:var(--paper);border:1px solid var(--cream);border-radius:18px;padding:24px}
.card h3{font-size:19px}
.card p{font-size:15px;color:var(--graphite);margin-top:6px}
.card .btn{margin-top:16px}
.ph{border-bottom:1px dashed var(--sky);color:var(--sky-text)}

/* plans (no membership) */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.plan{background:var(--night);color:var(--mist);border:1px solid var(--nline);border-radius:18px;padding:24px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--sky)}
.plan h3{color:#fff;font-size:19px}
.plan .p{font:700 34px/1 var(--display);color:#fff;margin:16px 0 6px;letter-spacing:-.03em}
.plan small{color:var(--mist-dim);font-size:14px}
.plan .btn{margin-top:auto;padding-top:13px}
.plan .btn-wrap{margin-top:22px}

/* lesson page */
.lesson-head{padding:40px 0 20px}
.crumb{font-size:14px;color:var(--stone)}
.crumb a{color:var(--stone)}
.lesson-head h1{font-size:clamp(30px,4vw,48px);margin-top:10px}
.player{border-radius:22px;overflow:hidden;background:var(--night);aspect-ratio:16/9;display:grid;place-items:center;color:var(--mist-dim);text-align:center}
.player video{width:100%;height:100%;display:block;background:#000}
.player .soon{padding:32px}
.player .soon b{display:block;font:700 22px var(--display);color:#fff;margin-bottom:6px}
.lesson-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:22px 0 64px;border-bottom:1px solid var(--cream)}
.lesson-actions .nav{display:flex;gap:10px}
footer.small{padding:32px 0 48px;font-size:13px;color:var(--stone)}
footer.small a{color:var(--stone)}

.skeleton{color:var(--stone);padding:80px 0;text-align:center}

@media (max-width:820px){
  .wrap{padding:0 16px}
  .hero{margin:8px;border-radius:22px;padding:36px 0}
  .unlock,.grid3,.plans{grid-template-columns:1fr}
  .module summary{grid-template-columns:1fr auto;gap:6px 14px}
  .module .wk{grid-column:1/-1}
  .bar .who{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}