/* Placeholder colors: swap for Dina's exact brand colors later */
  :root{
    --navy:#0F1E3D; --navy-2:#1B2F58; --gold:#C9A24B; --gold-soft:#F3E9CF;
    --turq:#2BB5B0; --turq-soft:#E1F5F4; --cream:#FBF8F2; --card:#FFFFFF;
    --ink:#1B2437; --muted:#667085; --line:#E8E2D4;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--cream);color:var(--ink);font-family:Montserrat,system-ui,sans-serif;font-size:16px;line-height:1.65}
  h1,h2,h3{font-family:"Cormorant Garamond",Georgia,serif;color:var(--navy);line-height:1.15;margin:0}
  a{color:var(--turq);text-decoration:none}
  .wrap{max-width:1120px;margin:0 auto;padding:0 24px}

  /* top bar */
  .top{background:var(--cream);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
  .top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
  .brand{font-family:"Cormorant Garamond",serif;font-weight:700;font-size:24px;color:var(--navy);display:flex;gap:10px;align-items:center;cursor:pointer}
  .brand span.logo{width:30px;height:30px;border-radius:9px;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-size:16px}
  .nav{display:flex;gap:26px;font-size:14px;font-weight:500}
  .nav a{color:var(--muted);cursor:pointer}
  .nav a.on,.nav a:hover{color:var(--navy)}
  .me{display:flex;gap:14px;align-items:center;font-size:14px;color:var(--muted)}
  .pill-btn{background:var(--gold);color:var(--navy);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:12px;padding:10px 18px;border-radius:999px;border:0;cursor:pointer}

  /* hero */
  .hero{padding:72px 0 40px;text-align:center}
  .eyebrow{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:700}
  .hero h1{font-size:clamp(40px,6vw,68px);margin:14px 0 12px}
  .hero p{max-width:560px;margin:0 auto;color:var(--muted)}
  .enrolled{display:inline-flex;gap:8px;align-items:center;margin-top:22px;background:var(--turq-soft);color:#13716d;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600}

  /* level tabs */
  .tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:34px 0 8px}
  .tab{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer}
  .tab.on{background:var(--navy);color:#fff;border-color:var(--navy)}
  .toolbar{display:flex;justify-content:space-between;align-items:center;margin:26px 0 18px;color:var(--muted);font-size:14px}
  .search{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 14px;width:240px;font:inherit;font-size:14px}

  /* cards */
  .grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;padding-bottom:80px}
  .card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;cursor:pointer;transition:.18s;display:flex;flex-direction:column}
  .card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(15,30,61,.10)}
  .card .pic{height:150px;display:grid;place-items:center;font-size:58px;background:linear-gradient(135deg,var(--turq-soft),var(--gold-soft))}
  .card .body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column;gap:8px}
  .tag{align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border-radius:6px;padding:3px 9px}
  .tag.free{background:var(--turq-soft);color:#13716d}
  .tag.paid{background:var(--gold-soft);color:#8a6a1c}
  .tag.soon{background:#EEF0F4;color:#6b7385}
  .card h3{font-size:24px}
  .card p{margin:0;font-size:14px;color:var(--muted)}
  .meta{margin-top:auto;padding-top:10px;font-size:13px;color:var(--muted);display:flex;justify-content:space-between}
  .card.locked .pic{filter:saturate(.5);opacity:.85}

  /* lesson */
  .banner{background:var(--navy);color:#fff;padding:54px 0 46px;position:relative;overflow:hidden}
  .banner:after{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;border:1px solid rgba(201,162,75,.35);box-shadow:0 0 0 40px rgba(201,162,75,.06)}
  .back{color:#cfd7e8;font-size:14px;cursor:pointer;display:inline-block;margin-bottom:22px}
  .banner .tags{display:flex;gap:8px;margin-bottom:14px}
  .banner .tags .tag{background:rgba(255,255,255,.12);color:#fff}
  .banner .tags .tag.free{background:var(--turq);color:var(--navy)}
  .banner h1{color:#fff;font-size:clamp(36px,5vw,56px);max-width:760px}
  .banner .sum{max-width:640px;color:#cfd7e8;margin:14px 0 0}
  .lmeta{display:flex;gap:20px;color:var(--muted);font-size:13px;margin:26px 0 8px;flex-wrap:wrap}
  .layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:56px;padding-bottom:90px}
  .toc{position:sticky;top:90px;align-self:start;font-size:14px}
  .toc b{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
  .toc a{display:block;color:var(--muted);padding:6px 0 6px 14px;border-left:2px solid var(--line)}
  .toc a.on{color:var(--navy);border-left-color:var(--gold);font-weight:600}
  .prose p{margin:0 0 16px}
  .callout{display:flex;gap:14px;border-radius:14px;padding:16px 18px;margin:18px 0;font-size:15px}
  .callout .ic{font-size:22px;line-height:1.3}
  .c-gray{background:#F1EEE6}.c-blue{background:var(--turq-soft)}.c-green{background:#E6F4EA}.c-gold{background:var(--gold-soft)}
  details{border-top:1px solid var(--line);padding:4px 0}
  details.sec{border:0;margin:26px 0}
  details.sec>summary{font-family:"Cormorant Garamond",serif;font-size:32px;font-weight:700;color:var(--navy);cursor:pointer;padding:6px 0;list-style:none}
  details.sec>summary::-webkit-details-marker{display:none}
  details.sec>summary:before{content:"▸";color:var(--gold);font-size:18px;margin-right:12px;display:inline-block;transition:.15s}
  details.sec[open]>summary:before{transform:rotate(90deg)}
  details.faq>summary{cursor:pointer;font-weight:600;padding:12px 0;color:var(--navy)}
  details.faq>div{padding:0 0 14px 4px;color:var(--ink);font-size:15px}
  .sec .inner{padding-left:30px}
  .inner ol{padding-left:22px}.inner li{margin-bottom:6px}
  .inner h4{font-family:"Cormorant Garamond",serif;font-size:24px;color:var(--navy);margin:22px 0 8px}
  .prompt{position:relative;background:var(--navy);color:#E9EEF9;border-radius:14px;padding:20px 20px 18px;margin:14px 0 20px;font-family:ui-monospace,Menlo,monospace;font-size:13px;line-height:1.6;white-space:pre-wrap}
  .prompt button{position:absolute;top:10px;right:10px;background:var(--gold);color:var(--navy);border:0;border-radius:8px;font:600 12px Montserrat;padding:6px 12px;cursor:pointer}
  .sample{background:var(--gold-soft);color:#6f5414;text-align:center;font-size:13px;padding:8px}
  .hidden{display:none}
  @media(max-width:860px){.layout{grid-template-columns:1fr}.toc{display:none}.nav{display:none}}
a.card{color:inherit}
.unsupported{background:#F1EEE6;border-radius:10px;padding:10px 14px;color:#667085;font-size:14px;margin:12px 0}
.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%}td,th{border:1px solid var(--line);padding:8px 12px;text-align:left}
.stack{max-width:520px;margin:64px auto;padding:0 24px;text-align:center}
.stack form{display:grid;gap:12px;margin-top:22px;text-align:left}
.stack input,.stack select{font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff}
.stack label{font-size:13px;font-weight:600;color:var(--muted)}
.me a{color:var(--muted)}
.lock-note{font-size:14px;color:var(--muted)}

/* Lesson pictures: fit the text column, keep their shape */
figure{margin:24px 0}
figure img{display:block;max-width:100%;height:auto;border-radius:14px}