/* PokerFarsi — استایلِ صفحهٔ آموزش (/learn/) — بازطراحی مهر ۱۴۰۵
 * روی ui.css (اجزای مشترک hp-) سوار است؛ کلاس‌های این فایل پیشوندِ ln- دارند.
 * توکن‌های رنگ از :root در style.css می‌آیند. */

/* ---------- HERO ---------- */
.ln-hero{position:relative;padding:56px 0 64px;overflow:hidden}
.ln-hero-bg{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(900px 420px at 15% 10%,rgba(122,31,43,.07),transparent 65%),
    linear-gradient(to right,rgba(122,31,43,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(13,13,13,.04) 1px,transparent 1px);
  background-size:auto,56px 56px,56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 95% 80% at 60% 20%,#000 30%,transparent 80%);
  mask-image:radial-gradient(ellipse 95% 80% at 60% 20%,#000 30%,transparent 80%);
}
.ln-hero .wrap{position:relative;z-index:1}
.ln-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.ln-crumb{font-size:13px;color:var(--gray);font-weight:500;margin-bottom:18px}
.ln-crumb a:hover{color:var(--burgundy)}
.ln-crumb .sep{margin-inline:8px;opacity:.6}
.ln-h1{font-size:clamp(34px,4.6vw,56px);font-weight:800;line-height:1.22;letter-spacing:-.01em;color:var(--ink);margin:0 0 18px}
.ln-h1 .ac{color:var(--burgundy)}
.ln-lead{font-size:17.5px;color:var(--hp-ink-2);max-width:50ch;margin:0 0 28px;line-height:1.95}
.ln-hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.ln-hero-stats{list-style:none;display:flex;gap:28px;flex-wrap:wrap;margin:30px 0 0;padding:22px 0 0;border-top:1px solid var(--gray-line)}
.ln-hero-stats li{display:flex;flex-direction:column;gap:2px}
.ln-hero-stats b{font-size:24px;font-weight:800;color:var(--ink);line-height:1.2}
.ln-hero-stats span{font-size:13px;color:var(--hp-ink-3);font-weight:500}

/* یابندهٔ سطح */
.ln-finder{background:#fff;border:1px solid var(--gray-line);border-radius:22px;padding:24px 26px 22px;box-shadow:var(--hp-shadow)}
.ln-finder-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.ln-finder-head .t{font-size:14px;font-weight:800;color:var(--ink)}
.ln-finder-head .step{font-size:12.5px;font-weight:700;color:var(--burgundy)}
.ln-finder-prog{height:5px;background:var(--offwhite);border:1px solid var(--gray-line);border-radius:100px;overflow:hidden;margin-bottom:18px}
.ln-finder-prog i{display:block;height:100%;width:0;background:var(--burgundy);border-radius:100px;transition:width .3s}
.ln-finder-quiz .q{font-size:17px;font-weight:700;line-height:1.75;color:var(--ink);margin:0 0 16px;min-height:3.5em}
.ln-finder-quiz .opts{display:flex;flex-direction:column;gap:9px}
.ln-finder-quiz .opt{
  font-family:var(--fa);font-size:15px;font-weight:600;color:var(--hp-ink-2);text-align:start;
  background:var(--offwhite);border:1.5px solid var(--gray-line);border-radius:12px;padding:13px 16px;cursor:pointer;
  transition:border-color .16s,color .16s,background .16s,transform .16s;display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.ln-finder-quiz .opt:hover{border-color:var(--burgundy);color:var(--burgundy);background:#fff}
.ln-finder-quiz .opt.start{background:var(--ink);color:#fff;border-color:var(--ink);justify-content:center;font-weight:700}
.ln-finder-quiz .opt.start:hover{background:var(--burgundy);border-color:var(--burgundy);transform:translateY(-1px)}
.ln-finder-quiz.is-anim .q,.ln-finder-quiz.is-anim .opts{animation:ln-in .3s ease}
@keyframes ln-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.ln-finder-result{text-align:center;animation:ln-in .35s ease}
.ln-finder-result .k{font-size:12.5px;font-weight:700;color:var(--burgundy)}
.ln-finder-result h3{font-size:24px;font-weight:800;margin:6px 0 8px}
.ln-finder-result h3 em{font-style:normal;color:var(--burgundy)}
.ln-finder-result p{font-size:15px;color:var(--hp-ink-2);line-height:1.9;margin:0 auto 18px;max-width:38ch}
.ln-finder-result .restart{display:block;margin:14px auto 0;background:none;border:0;color:var(--gray);font-family:var(--fa);font-size:13px;font-weight:600;cursor:pointer;text-decoration:underline}

/* ---------- LEVEL NAV ---------- */
.ln-levelnav{position:sticky;top:74px;z-index:50;background:rgba(247,244,241,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-block:1px solid var(--gray-line)}
.ln-levelnav-in{display:flex;gap:6px;padding:8px 0;overflow-x:auto;scrollbar-width:none}
.ln-levelnav-in::-webkit-scrollbar{display:none}
.ln-levelnav a{
  display:inline-flex;align-items:center;gap:9px;flex:none;
  font-size:14.5px;font-weight:700;color:var(--hp-ink-2);padding:9px 16px;border-radius:100px;
  border:1px solid transparent;transition:background .18s,color .18s,border-color .18s;
}
.ln-levelnav a .n{font-size:11.5px;font-weight:800;color:var(--gray)}
.ln-levelnav a small{font-size:11.5px;font-weight:700;color:var(--gray);background:#fff;border:1px solid var(--gray-line);border-radius:100px;padding:1px 8px}
.ln-levelnav a:hover{background:#fff;border-color:var(--gray-line)}
.ln-levelnav a.on{background:var(--ink);color:#fff}
.ln-levelnav a.on .n{color:var(--gold)}
.ln-levelnav a.on small{background:rgba(255,255,255,.12);border-color:transparent;color:#fff}

/* ---------- CURRICULUM ---------- */
.ln-level{scroll-margin-top:140px;padding-top:36px;margin-top:36px;border-top:1px solid var(--gray-line)}
.ln-level:first-of-type{border-top:0;margin-top:0;padding-top:0}
.ln-level-head{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:start;margin-bottom:14px}
.ln-level-num{font-size:14px;font-weight:800;color:var(--burgundy);background:#fff;border:1px solid var(--hp-burg-line);border-radius:12px;padding:10px 12px;line-height:1}
.ln-level-tx .k{font-size:12.5px;font-weight:700;color:var(--burgundy);letter-spacing:.03em}
.ln-level-tx h3{font-size:clamp(22px,2.6vw,28px);font-weight:800;margin:4px 0 6px}
.ln-level-tx p{font-size:15.5px;color:#4a4544;margin:0;max-width:60ch;line-height:1.85}
.ln-level-meta{display:flex;gap:0;margin:0;background:#fff;border:1px solid var(--gray-line);border-radius:14px;overflow:hidden}
.ln-level-meta div{display:flex;flex-direction:column;align-items:center;gap:1px;padding:10px 18px;border-inline-start:1px solid var(--gray-line)}
.ln-level-meta div:first-child{border-inline-start:0}
.ln-level-meta dt{font-size:11.5px;color:var(--gray);font-weight:600}
.ln-level-meta dd{margin:0;font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap}
.ln-level-goal{font-size:14.5px;color:var(--hp-ink-2);background:rgba(201,162,77,.12);border:1px solid rgba(201,162,77,.35);border-radius:12px;padding:10px 16px;margin:0 0 22px;display:inline-block}
.ln-level-goal b{color:var(--ink)}

.ln-lessons{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ln-lesson{
  position:relative;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:4px 14px;
  background:#fff;border:1px solid var(--gray-line);border-radius:16px;padding:18px 20px 16px;height:100%;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.ln-lesson:hover{transform:translateY(-3px);box-shadow:var(--hp-shadow);border-color:var(--hp-burg-line)}
.ln-lesson .num{grid-row:1/3;width:40px;height:40px;border-radius:12px;background:var(--offwhite);border:1px solid var(--gray-line);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:var(--burgundy);transition:.2s}
.ln-lesson:hover .num{background:var(--burgundy);border-color:var(--burgundy);color:#fff}
.ln-lesson .tx{display:flex;flex-direction:column;gap:4px;min-width:0;padding-inline-end:26px}
.ln-lesson b{font-size:16px;font-weight:800;color:var(--ink);line-height:1.55}
.ln-lesson small{font-size:13.5px;color:var(--hp-ink-3);line-height:1.75}
.ln-lesson .mt{grid-column:2;display:flex;align-items:center;gap:10px;margin-top:8px;flex-wrap:wrap}
.ln-lesson .chip{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:var(--gray)}
.ln-lesson .chip svg{color:var(--burgundy)}
.ln-lesson .free{font-size:11px;font-weight:700;color:#245C3B;background:rgba(46,125,80,.1);border-radius:100px;padding:2px 9px}
.ln-lesson .lock{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;color:var(--hp-ink-3);background:var(--offwhite);border:1px solid var(--gray-line);border-radius:100px;padding:2px 9px}
.ln-lesson.is-locked b{color:var(--hp-ink-2)}
.ln-lesson .go{position:absolute;inset-inline-end:16px;top:20px;color:var(--gray);opacity:0;transition:opacity .2s,transform .2s}
.ln-lesson:hover .go{opacity:1;transform:translateX(-3px);color:var(--burgundy)}
.ln-level.is-target .ln-lesson{animation:ln-flash 1.2s ease}
@keyframes ln-flash{0%{border-color:var(--burgundy);box-shadow:0 0 0 4px rgba(122,31,43,.12)}100%{border-color:var(--gray-line);box-shadow:none}}

.ln-level-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:18px;font-size:13.5px}
.ln-level-tools .k{font-weight:700;color:var(--hp-ink-3);margin-inline-end:4px}
.ln-level-tools a{display:inline-flex;align-items:center;gap:5px;font-weight:700;color:var(--burgundy);background:#fff;border:1px solid var(--hp-burg-line);border-radius:100px;padding:6px 12px;transition:.16s}
.ln-level-tools a:hover{background:var(--burgundy);color:#fff;border-color:var(--burgundy)}

/* ---------- ANATOMY (dark) ---------- */
.ln-anatomy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ln-astep{background:#171515;border:1px solid rgba(255,255,255,.08);border-radius:var(--hp-r);padding:24px 22px;transition:border-color .22s,transform .22s}
.ln-astep:hover{border-color:rgba(201,162,77,.5);transform:translateY(-3px)}
.ln-astep .n{display:block;font-size:12.5px;font-weight:800;color:var(--gold);letter-spacing:.05em;margin-bottom:12px}
.ln-astep h4{font-size:17.5px;font-weight:800;color:#fff;margin:0 0 6px}
.ln-astep p{font-size:14px;color:#b7b0ac;margin:0;line-height:1.8}

/* ---------- METHOD ---------- */
.ln-method{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ln-mcard{background:var(--offwhite);border:1px solid var(--gray-line);border-radius:var(--hp-r);padding:22px 20px;transition:transform .22s,box-shadow .22s}
.ln-mcard:hover{transform:translateY(-3px);box-shadow:var(--hp-shadow)}
.ln-mcard .ic{width:44px;height:44px;border-radius:12px;background:var(--hp-burg-soft);color:var(--burgundy);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.ln-mcard h4{font-size:16.5px;font-weight:800;margin:0 0 6px}
.ln-mcard p{font-size:14px;color:var(--hp-ink-3);margin:0;line-height:1.8}

/* ---------- PILLAR (متنِ سئو) ---------- */
.ln-pillar-sec{padding-top:0}
.pillar{max-width:820px}
.pillar h2{font-size:clamp(22px,2.6vw,27px);font-weight:800;margin:40px 0 12px;letter-spacing:-.2px}
.pillar h2:first-child{margin-top:0}
.pillar h3{font-size:18px;font-weight:800;margin:28px 0 10px}
.pillar p{font-size:15.5px;line-height:2;color:#4a4544;margin:0 0 12px}
.pillar p a,.pillar li a{font-weight:700;color:var(--burgundy);border-bottom:1px solid rgba(122,31,43,.25)}
.pillar p a:hover,.pillar li a:hover{border-bottom-color:var(--burgundy)}
.pillar ul{list-style:none;display:flex;flex-direction:column;gap:8px;margin:12px 0 6px;padding:0}
.pillar ul li{background:#fff;border:1px solid var(--gray-line);border-radius:12px;padding:11px 16px;font-size:14.5px;line-height:1.9}
.pillar .faq{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.pillar .qa{background:#fff;border:1px solid var(--gray-line);border-radius:14px;overflow:hidden}
.pillar .qa summary{list-style:none;cursor:pointer;padding:15px 20px;font-size:15.5px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:14px}
.pillar .qa summary::-webkit-details-marker{display:none}
.pillar .qa summary .pm{flex:none;width:24px;height:24px;border-radius:7px;background:var(--hp-burg-soft);color:var(--burgundy);display:flex;align-items:center;justify-content:center;font-weight:800;transition:transform .2s}
.pillar .qa[open] summary .pm{transform:rotate(45deg)}
.pillar .qa .ans{padding:0 20px 16px;font-size:14.5px;color:#4a4544;line-height:2;margin:0}

/* ---------- واکنش‌گرایی ---------- */
@media(max-width:1080px){
  .ln-anatomy-grid,.ln-method{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:960px){
  .ln-hero{padding:40px 0 48px}
  .ln-hero-grid{grid-template-columns:1fr;gap:36px}
  .ln-finder{max-width:520px}
  .ln-level-head{grid-template-columns:auto 1fr}
  .ln-level-meta{grid-column:1/-1;align-self:start;justify-self:start}
  .ln-lessons{grid-template-columns:1fr}
}
@media(max-width:640px){
  .ln-hero{padding:28px 0 40px}
  .ln-lead{font-size:16px}
  .ln-hero-stats{gap:18px}
  .ln-hero-stats b{font-size:20px}
  .ln-finder{padding:20px 18px 18px}
  .ln-levelnav{top:0}
  .ln-level{scroll-margin-top:70px}
  .ln-level-head{gap:14px}
  .ln-level-meta div{padding:8px 12px}
  .ln-anatomy-grid,.ln-method{grid-template-columns:1fr}
  .ln-lesson{padding:16px 16px 14px}
  .ln-lesson .tx{padding-inline-end:0}
  .ln-lesson .go{display:none}
}
@media(prefers-reduced-motion:reduce){
  .ln-finder-quiz.is-anim .q,.ln-finder-quiz.is-anim .opts,.ln-finder-result{animation:none}
  .ln-level.is-target .ln-lesson{animation:none}
}