/* ───────── Mentor layout: warm paper with a faint chart grid, navy ink, one accent colour, Sahel ───────── */
@font-face{font-family:'Sahel';font-style:normal;font-display:swap;font-weight:300 900;src:url(../fonts/sahel-vf.woff2) format('woff2-variations'),url(../fonts/sahel-vf.woff2) format('woff2')}

:root{
  --font-rtl:'Sahel',Tahoma,sans-serif;--font-latin:'Sahel',system-ui,-apple-system,'Segoe UI',sans-serif;
  --navy:#14213d;--navy-2:#1d2d52;--hl:rgba(250,204,21,.42);--grid:rgba(20,33,61,.05);
  --radius-xl:22px;--radius-lg:16px;--radius:12px;--radius-sm:9px;--hdr-h:66px;--section-y:76px;
}
:root,[data-theme=dark]{
  --bg:#0d1424;--bg-2:#111a2e;--surface:#151f37;--surface-2:#1a2642;--border:#26324f;--border-strong:#34436a;
  --text:#eef0f6;--text-muted:#b7bfd2;--text-faint:#8a94ad;--grid:rgba(170,190,230,.05);--hl:rgba(250,204,21,.2);
  --shadow:0 18px 44px -24px rgba(0,0,0,.65);
}
[data-theme=light]{
  --bg:#fbf8f1;--bg-2:#f4efe3;--surface:#ffffff;--surface-2:#f7f3ea;--border:#e6dece;--border-strong:#d5cab3;
  --text:#14213d;--text-muted:#46516c;--text-faint:#7b8399;--grid:rgba(20,33,61,.05);--hl:rgba(250,204,21,.42);
  --shadow:0 18px 40px -26px rgba(20,33,61,.32);
}
body{font-size:16.5px;line-height:1.85}
h1,h2,h3,h4{font-weight:900;letter-spacing:0}
.num,.num *{font-family:var(--font-rtl)}
.paper,.band,.lesson-top{background-color:var(--bg);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:28px 28px}
.btn{border-radius:var(--radius-sm);font-weight:800}
.btn-primary{box-shadow:0 8px 18px -10px color-mix(in oklab,var(--brand) 80%,transparent)}
.kicker,.kick{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:800;color:var(--primary-text);margin:0 0 10px}
.kick::before,.kicker::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--primary)}

/* header: one sticky row on phones; on wide screens the menu gets its own strip under the logo row */
.hdr{position:relative;background:var(--bg);backdrop-filter:none;-webkit-backdrop-filter:none;border-block-end:1px solid var(--border)}
.hdr-in{height:auto;min-height:var(--hdr-h);flex-wrap:wrap;gap:0 18px;padding-block-start:10px}
.logo{font-size:16.5px;font-weight:900;color:var(--text)}
.logo-mark.has-img{width:44px;height:44px;border-radius:50%;box-shadow:0 0 0 1px var(--border)}
.logo-txt small{letter-spacing:0;text-transform:none;font-weight:600;font-size:12px;color:var(--text-faint)}
.hdr-act{margin-inline-start:auto;order:2}
.hdr-cta .ico{width:16px;height:16px}
.nav{order:3;flex:1 1 100%;margin:0;border-block-start:1px dashed var(--border)}
.nav .nav-list{gap:4px;flex-wrap:wrap;padding-block:6px}
.nav-list a{font-size:15px;font-weight:700;padding:8px 12px;border-radius:8px}
.nav-list .current-menu-item>a,.nav-list .current_page_item>a{background:none;color:var(--text);box-shadow:inset 0 -3px 0 var(--primary);border-radius:0}
.nav-cta{display:none}
@media(max-width:1080px){
  .hdr{position:sticky;top:0;z-index:50}
  .hdr-in{padding-block-start:0}
  .admin-bar .hdr{top:46px}
  .hdr-in{flex-wrap:nowrap;height:var(--hdr-h)}
  .menu-btn{display:inline-grid}
  .hdr-cta{display:none}
  .nav{position:fixed;inset:var(--hdr-h) 0 auto 0;z-index:49;border:0;background:var(--bg);border-block-end:1px solid var(--border);box-shadow:var(--shadow);padding:10px var(--gutter) 18px;display:none;max-height:calc(100dvh - var(--hdr-h));overflow:auto}
  .nav.open{display:block}
  .nav .nav-list{flex-direction:column;gap:2px}
  .nav-list a{padding:12px 10px;font-size:16px;border-radius:10px}
  .nav-list .current-menu-item>a{box-shadow:none;background:var(--primary-soft);color:var(--primary-text)}
  .nav-cta{display:flex;margin-block-start:10px}
}
@media(max-width:600px){.admin-bar .hdr{top:0}.logo-txt small{display:none}}

/* lesson search row under the header */
.hdr-search{border-block-start:1px dashed var(--border);background:var(--bg)}
.hdr-search[hidden]{display:none}
.hdr-search form{display:flex;gap:10px;padding-block:12px}
.hdr-search input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-size:16px}
.hdr-search input:focus{outline:0;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.hdr-search .btn{height:44px}

/* sections */
.section{padding-block:var(--section-y)}
.section.alt{background:var(--bg-2)}
.sec-head{max-width:760px;margin-block-end:30px}
.sec-head h2{font-size:clamp(1.55rem,3.2vw,2.15rem)}
.sec-sub{color:var(--text-muted);margin:10px 0 0;font-size:16.5px}

/* home hero: copy, real channel numbers and the portrait on plain paper, standing on the hero's bottom edge */
.hero-m{background:var(--hero-bg,#f3ede1);border-block-end:1px solid var(--border);overflow:hidden}
[data-theme=dark] .hero-m{--hero-bg:var(--bg-2)}
.hero-m-in{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px;align-items:end;padding-block:64px 0}
.hero-m-copy{padding-block-end:60px;align-self:center}
.hero-m h1{font-size:clamp(2rem,5vw,3.3rem);line-height:1.25;margin:0 0 16px}
.hero-m .lead{font-size:clamp(1.02rem,1.6vw,1.13rem);color:var(--text-muted);max-width:620px;margin:0 0 26px}
.hero-m .cta-row{display:flex;flex-wrap:wrap;gap:12px}
.resume{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin:18px 0 0;padding:10px 14px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);font-size:14.5px;color:var(--text-muted);max-width:620px}
.resume[hidden]{display:none}
.resume .ico{width:18px;height:18px;color:var(--primary)}
.resume a{font-weight:800;color:var(--primary-text);text-decoration:underline;text-underline-offset:4px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:30px 0 0;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);overflow:hidden;max-width:660px}
.hero-stats div{padding:14px 16px;border-inline-start:1px solid var(--border)}
.hero-stats div:first-child{border-inline-start:0}
.hero-stats dt{font-size:clamp(1.2rem,2.4vw,1.6rem);font-weight:900;color:var(--text);line-height:1.3}
.hero-stats dd{margin:2px 0 0;font-size:13px;color:var(--text-faint);line-height:1.5}
.hero-note{font-size:12.5px;color:var(--text-faint);margin:12px 0 0;max-width:660px}
.hero-fact{display:block;font-size:14px;font-weight:700;color:var(--text-muted);margin-block-end:2px}
.hero-m-pic{margin:0;display:flex;justify-content:center;align-items:flex-end}
.hero-m-pic img{display:block;width:min(100%,400px);height:auto}
@media(max-width:900px){
  .hero-m-in{grid-template-columns:1fr;gap:0;padding-block-start:34px}
  .hero-m-copy{padding-block-end:30px}
  .hero-m-pic img{width:min(56%,230px)}
}
@media(max-width:600px){.hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-stats div:nth-child(3){border-inline-start:0}.hero-stats div:nth-child(n+3){border-block-start:1px solid var(--border)}}

/* course map: chapter tabs beside the chosen chapter's lessons (all chapters stack without the script) */
.course{display:grid;gap:22px}
.course.is-tabs{grid-template-columns:330px minmax(0,1fr);align-items:start}
.course-tabs{display:grid;gap:8px;position:sticky;top:20px}
.course-tabs[hidden]{display:none}
.ct{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;padding:12px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);text-align:start;cursor:pointer;transition:border-color .15s,background .15s}
.ct:hover{border-color:var(--border-strong)}
.ct-n{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:16px;background:var(--surface-2);border:1px solid var(--border);color:var(--text)}
.ct-t{display:grid;gap:1px;min-width:0}
.ct-t b{font-size:15px;line-height:1.5}
.ct-t small{font-size:12.5px;color:var(--text-faint)}
.ct-p{width:38px;height:6px;border-radius:6px;background:linear-gradient(to left,var(--up) var(--p,0%),var(--border) var(--p,0%))}
.ct-p:not(.has-seen){visibility:hidden}
.ct[aria-selected=true]{background:var(--navy);border-color:var(--navy);color:#fff}
.ct[aria-selected=true] .ct-n{background:var(--primary);border-color:var(--primary);color:#fff}
.ct[aria-selected=true] .ct-t small{color:#c6cee0}
[data-theme=dark] .ct[aria-selected=true]{background:var(--surface-2);border-color:var(--primary)}
.cp{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.cp[hidden]{display:none}
.cp:focus-visible{outline-offset:4px}
.cp-head{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:4px 16px;padding:18px 20px;border-block-end:1px solid var(--border);background:var(--surface-2)}
.cp-k{grid-column:1;margin:0;font-size:13px;font-weight:800;color:var(--primary-text)}
.cp-head h3{grid-column:1;font-size:1.2rem}
.cp-head .btn{grid-column:2;grid-row:1/3}
.cp-head .btn .ico{width:16px;height:16px}
.cp-list{list-style:none;margin:0;padding:6px}
.cp-list li+li{border-block-start:1px solid var(--border)}
.cp-list a{display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:16px;padding:12px 10px;border-radius:10px;color:var(--text)}
.cp-list a:hover{background:var(--surface-2)}
.cp-play{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--border-strong);color:var(--navy);background:var(--surface);transition:background .15s,color .15s,border-color .15s}
[data-theme=dark] .cp-play{color:var(--text)}
.cp-play svg{width:20px;height:20px;margin-left:3px}
.cp-list a:hover .cp-play{background:var(--primary);border-color:var(--primary);color:#fff}
.cp-list .is-seen .cp-play{background:color-mix(in oklab,var(--up) 14%,var(--surface));border-color:color-mix(in oklab,var(--up) 45%,transparent);color:var(--up)}
.cp-list .is-seen .cp-play svg{display:none}
.cp-list .is-seen .cp-play::after{content:"✓";font-weight:900;font-size:18px}
.cp-body{display:grid;gap:3px;min-width:0}
.cp-body b{font-size:15.5px;line-height:1.6}
.cp-body b .pl-ep{margin-inline-end:4px;vertical-align:1px}
.cp-body small{font-size:13.5px;line-height:1.7;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cp-len{font-size:12.5px;font-weight:700;color:var(--text-faint);white-space:nowrap}

.pl-ep{display:inline-block;min-width:42px;padding:2px 6px;border-radius:6px;background:var(--surface-2);border:1px solid var(--border);font-size:12px;font-weight:800;text-align:center;color:var(--text-muted);white-space:nowrap}
.ch-list a,.pl ol a{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:7px 8px;border-radius:8px;color:var(--text-muted);font-size:14.5px;line-height:1.55}
.ch-list a:hover,.pl ol a:hover{background:var(--surface-2);color:var(--text)}
.pl-t{min-width:0;overflow-wrap:anywhere}
.is-seen .pl-ep{background:color-mix(in oklab,var(--up) 16%,transparent);border-color:color-mix(in oklab,var(--up) 40%,transparent);color:color-mix(in oklab,var(--up) 70%,var(--text))}
.pl .is-seen>a::after{content:"✓";font-size:12px;font-weight:900;color:var(--up)}
@media(max-width:1024px){.course.is-tabs{grid-template-columns:270px minmax(0,1fr)}.cp-len{display:none}.cp-list a{grid-template-columns:40px minmax(0,1fr)}}
@media(max-width:820px){
  .course.is-tabs{grid-template-columns:1fr}
  .course-tabs{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .ct{grid-template-columns:auto minmax(0,1fr);padding:10px}
  .ct-p{display:none}
  .ct-t b{font-size:13.5px}
  .ct-t small{display:none}
  .ct-n{width:30px;height:30px;font-size:14px}
}
@media(max-width:560px){
  .cp-head{grid-template-columns:1fr}
  .cp-head .btn{grid-column:1;grid-row:auto;justify-self:start;margin-block-start:8px}
  .cp-list a{grid-template-columns:36px minmax(0,1fr);gap:12px;padding:10px 6px}
  .cp-play{width:36px;height:36px}
  .cp-play svg{width:16px;height:16px}
  .cp-body b{font-size:14.5px}
  .cp-body small{-webkit-line-clamp:2;font-size:13px}
}

/* the front page's own blocks */
.home-prose{font-size:16.5px;color:var(--text-muted)}
.home-prose>*{margin-block:0}
.home-prose>*+*{margin-block-start:18px}
.home-prose h2{font-size:clamp(1.45rem,3vw,2rem);color:var(--text);margin:0 0 12px}
.home-prose>h2{margin:72px 0 12px}
.home-prose>h2:first-child{margin-block-start:0}
.home-prose>.wp-block-columns+.wp-block-columns,.home-prose>.wp-block-columns+.wp-block-group,.home-prose>.wp-block-group+.wp-block-columns{margin-block-start:72px}
.home-prose>h2+p{margin-block-start:0}
.home-prose>p+.wp-block-columns{margin-block-start:26px}
.home-prose h3{font-size:1.12rem;color:var(--text);margin:0 0 8px}
.home-prose p{margin:0 0 1em}
.home-prose a:not(.wp-block-button__link){color:var(--primary-text);font-weight:700}
.home-prose img{border-radius:var(--radius);display:block}
.home-prose .wp-block-buttons{display:flex;flex-wrap:wrap;gap:10px;margin-block-start:16px}
.home-prose .wp-block-button__link{display:inline-flex;align-items:center;min-height:46px;padding:10px 22px;border-radius:var(--radius-sm);background:var(--primary);color:var(--on-brand);font-weight:800;text-decoration:none}
.home-prose .is-style-outline .wp-block-button__link{background:transparent;border:1px solid var(--border-strong);color:var(--text)}
.home-prose .wp-block-columns{display:grid;grid-template-columns:repeat(var(--cols,2),minmax(0,1fr));gap:22px;align-items:center}
.home-prose .wp-block-column{min-width:0}
.home-prose .wp-block-image{margin:0}
/* topic cards */
.home-prose .rg-topics{--cols:4;align-items:stretch}
.home-prose .rg-topics>.wp-block-column{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;border-block-start:4px solid var(--c,var(--primary))}
.home-prose .rg-topics>.wp-block-column:nth-child(2){--c:var(--navy)}
.home-prose .rg-topics>.wp-block-column:nth-child(3){--c:#d9a400}
.home-prose .rg-topics>.wp-block-column:nth-child(4){--c:var(--up)}
[data-theme=dark] .home-prose .rg-topics>.wp-block-column:nth-child(2){--c:#7b93d6}
.home-prose .rg-topics p{font-size:15px;margin:0}
.home-prose .rg-tag{display:inline-block;margin-block-start:10px;font-size:12.5px;font-weight:800;color:var(--text-faint)}
/* intro + start cards */
.home-prose .rg-start{--cols:2;align-items:stretch}
.home-prose .rg-start>.wp-block-column{position:relative;display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px}
.home-prose .rg-start img{width:120px;height:120px;object-fit:cover}
.home-prose .rg-start h3{margin:0}
.home-prose .rg-start h3 a{color:var(--text)}
.home-prose .rg-start h3 a::after{content:"";position:absolute;inset:0;border-radius:inherit}
.home-prose .rg-start>.wp-block-column:hover{border-color:var(--primary-line)}
/* quotes from YouTube comments */
.home-prose .rg-quotes{--cols:3;align-items:stretch}
.home-prose .rg-quotes>.wp-block-column{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;display:flex;flex-direction:column;gap:12px}
.home-prose .rg-quotes>.wp-block-column>p:first-child{font-size:15.5px;color:var(--text);margin:0}
.home-prose .rg-quotes>.wp-block-column>p:first-child::before{content:"«";color:var(--primary);font-weight:900;margin-inline-end:2px}
.home-prose .rg-quotes>.wp-block-column>p:first-child::after{content:"»";color:var(--primary);font-weight:900;margin-inline-start:2px}
.home-prose .rg-who{display:flex;align-items:center;gap:10px;margin-block-start:auto!important}
.home-prose .rg-who img{width:40px;height:40px;border-radius:50%}
.home-prose .rg-who p{margin:0;font-size:14px;font-weight:800;color:var(--text)}
.home-prose .rg-who a{display:none}
.home-prose .rg-src{font-size:13.5px;color:var(--text-faint);margin-block-end:8px!important}
/* feature rows */
.home-prose .rg-feature{--cols:2;gap:40px}
.home-prose .rg-feature img{width:100%;max-width:420px;aspect-ratio:1;object-fit:cover;margin-inline:auto;border-radius:var(--radius-xl)}
.home-prose .rg-soon{display:inline-flex;font-size:12.5px;font-weight:800;padding:3px 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-faint);margin-block-end:10px}
/* YouTube band */
.home-prose .rg-yt{background:linear-gradient(150deg,var(--navy),var(--navy-2));color:#dfe5f3;border-radius:var(--radius-xl);padding:clamp(24px,4vw,44px)}
.home-prose .rg-yt h2{color:#fff}
.home-prose .rg-yt p{color:#cdd5e8}
.home-prose .rg-yt .wp-block-button__link{background:#ff0033;color:#fff}
@media(max-width:1024px){.home-prose .rg-topics{--cols:2}.home-prose .rg-quotes{--cols:1}}
@media(max-width:780px){.home-prose .wp-block-columns,.home-prose .rg-start,.home-prose .rg-feature{grid-template-columns:1fr}.home-prose .rg-feature .wp-block-column:has(img){order:-1}}
@media(max-width:560px){.home-prose .rg-topics{--cols:1}.home-prose .rg-start>.wp-block-column{grid-template-columns:84px minmax(0,1fr)}.home-prose .rg-start img{width:84px;height:84px}}

/* closing band */
.cta-m{position:relative;isolation:isolate;overflow:hidden;background:var(--navy);color:#e8ecf6;padding-block:64px}
.candles-art{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.16}
.candles-art path{stroke:#9fb1da;stroke-width:1.5;fill:none}
.candles-art rect.up{fill:var(--up)}
.candles-art rect.dn{fill:var(--primary)}
.cta-m-in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-m h2{font-size:clamp(1.4rem,3vw,1.95rem);color:#fff}
.cta-m p{margin:8px 0 0;color:#c4cde2;max-width:620px}
.cta-m .btn-ghost{color:#fff;border-color:rgba(255,255,255,.35)}

/* title band of pages and archives */
.band{border-block-end:1px solid var(--border);padding-block:40px 34px}
.band h1{font-size:clamp(1.75rem,4vw,2.5rem);line-height:1.35;margin:6px 0 0;overflow-wrap:anywhere}
.band .lead{color:var(--text-muted);font-size:1.05rem;max-width:760px;margin:12px 0 0}
.band .cta-row{margin-block-start:18px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;color:var(--text-faint)}
.crumbs a:hover{color:var(--primary-text)}
.crumbs .ico{width:14px;height:14px}
.byline{display:flex;flex-wrap:wrap;gap:6px 18px;margin:14px 0 0;font-size:14px;color:var(--text-faint)}
.byline span{display:inline-flex;align-items:center;gap:6px}
.byline .ico{width:16px;height:16px}
.byline a{color:var(--text-muted);font-weight:700}

/* lesson title band */
.lesson-top{border-block-end:1px solid var(--border);padding-block:30px 26px}
.lesson-top h1{font-size:clamp(1.5rem,3.4vw,2.2rem);line-height:1.45;margin:10px 0 0;max-width:980px;overflow-wrap:anywhere}
.lt-kick{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:14px 0 0;font-size:13.5px;color:var(--text-faint)}
.lt-kick>span:not(.ep){padding:3px 10px;border-radius:999px;border:1px solid var(--border);background:var(--surface)}
.ep{display:inline-flex;align-items:baseline;gap:5px;padding:3px 11px;border-radius:999px;background:var(--primary);color:var(--on-brand);font-weight:900;font-size:13.5px;white-space:nowrap}
.ep small{font-weight:700;opacity:.9;font-size:12px}
.lt-meta{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px 18px;font-size:14px;color:var(--text-faint)}
.lt-meta li{display:inline-flex;align-items:center;gap:6px}
.lt-meta .ico{width:16px;height:16px}
.lt-meta a{color:var(--text-muted);font-weight:700}
.lt-meta a:hover{color:var(--primary-text)}

/* reading progress on lesson pages */
.read-bar{position:fixed;inset-inline:0;top:0;height:3px;z-index:60;background:var(--primary);transform-origin:right;transform:scaleX(var(--read,0));pointer-events:none}
[dir=ltr] .read-bar{transform-origin:left}
.admin-bar .read-bar{top:32px}

/* lesson body + side playlist */
.lesson-s{padding-block:30px 56px}
.lesson-grid,.duo{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start}
.lesson-side,.side{position:sticky;top:20px;min-width:0}
.pl-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.pl-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-block-end:1px solid var(--border);background:var(--surface-2)}
.pl-head b{font-size:15.5px}
.pl-prog{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-faint)}
.pl-prog i{display:block;width:70px;height:6px;border-radius:6px;background:linear-gradient(to left,var(--primary) var(--p),var(--border) var(--p))}
[dir=ltr] .pl-prog i{background:linear-gradient(to right,var(--primary) var(--p),var(--border) var(--p))}
.pl{position:relative;max-height:calc(100dvh - 120px);overflow:auto;overscroll-behavior:contain}
.pl-ch{border-block-end:1px solid var(--border)}
.pl-ch:last-child{border-block-end:0}
.pl-ch summary{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:12px 16px;cursor:pointer;list-style:none}
.pl-ch summary::-webkit-details-marker{display:none}
.pl-ch summary b{font-size:14.5px;line-height:1.5}
.pl-ch summary small{font-size:12px;color:var(--text-faint)}
.pl-n{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:12.5px;font-weight:900}
[data-theme=dark] .pl-n{background:var(--surface-2);border:1px solid var(--border-strong)}
.pl ol{list-style:none;margin:0;padding:0 8px 10px}
.pl ol a{font-size:14px;padding:6px 8px}
.pl-d{font-size:11.5px;color:var(--text-faint);white-space:nowrap}
.pl .is-on>a{background:var(--primary-soft);color:var(--text);font-weight:800}
.pl .is-on .pl-ep{background:var(--primary);border-color:var(--primary);color:var(--on-brand)}
@media(max-width:1024px){
  .lesson-grid,.duo{grid-template-columns:1fr}
  .lesson-side,.side{position:static}
  .pl{max-height:none}
}

/* reading column */
.prose{font-size:17px;line-height:1.95;border-radius:var(--radius-lg)}
.sheet{max-width:880px}
.read-s{padding-block:30px 56px}
.prose h2{font-size:clamp(1.3rem,2.6vw,1.55rem);padding-inline-start:0;border:0;position:relative}
.prose h2::after{content:"";display:block;width:46px;height:4px;margin-block-start:10px;border-radius:2px;background:var(--primary)}
.prose strong{background:linear-gradient(transparent 60%,var(--hl) 60%);padding-inline:1px}
.prose .wp-block-heading:empty,.prose h5:empty{display:none}
.read-end{margin:2em 0 0!important;padding:14px 16px;border-radius:var(--radius);background:var(--bg-2);border:1px dashed var(--border-strong);font-size:14px!important;line-height:1.8;color:var(--text-faint)}
.toc{margin:0 0 1.6em;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-2)}
.toc summary{display:flex;align-items:center;gap:8px;padding:12px 16px;font-weight:800;cursor:pointer;color:var(--text)}
.toc summary .ico{width:18px;height:18px;color:var(--primary)}
.toc ol{margin:0;padding:0 16px 14px;padding-inline-start:36px;font-size:15px}
.toc li{margin-block:4px}
.toc a{text-decoration:none;color:var(--text-muted)}
.toc a:hover{color:var(--primary-text)}

/* notes inside a lesson */
.notes-head{margin:2.2em 0 1.2em;padding-block-start:1.4em;border-block-start:2px dashed var(--border-strong)}
.notes-k{display:flex;align-items:center;gap:8px;margin:0 0 .9em!important;font-weight:900;font-size:1.2rem;color:var(--text)}
.notes-k .ico{width:22px;height:22px;color:var(--primary)}
.prose ul.key-points{list-style:none;margin:0 0 1.8em;padding:16px 18px;border-radius:var(--radius);background:color-mix(in oklab,var(--hl) 40%,var(--surface));border:1px solid color-mix(in oklab,#d9a400 30%,var(--border))}
.prose ul.key-points::before{content:"در این درس:";display:block;font-weight:900;color:var(--text);margin-block-end:6px}
.prose ul.key-points li{position:relative;padding-inline-start:26px;margin-block:6px}
.prose ul.key-points li::before{content:"✓";position:absolute;inset-inline-start:0;top:0;font-weight:900;color:var(--up)}
.prose p.note{padding:14px 16px 14px 18px;border-radius:var(--radius);background:color-mix(in oklab,var(--primary) 7%,var(--surface));border:1px solid var(--primary-line);border-inline-start:5px solid var(--primary);font-size:16px}
.prose ol{counter-reset:none}
.prose .wp-block-image img{border:1px solid var(--border)}
.prose .wp-block-image figcaption{font-size:14px}

/* YouTube poster until play */
.yt{margin:0 0 1.4em!important}
.yt-play{position:relative;display:block;width:100%;padding:0;border:0;border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;background:#0b1220;aspect-ratio:16/9}
.yt-play img{display:block;width:100%;height:100%;object-fit:cover;border-radius:0!important;border:0!important;transition:transform .3s,filter .3s}
.yt-play:hover img{transform:scale(1.02);filter:brightness(.9)}
.yt-btn{position:absolute;inset:0;margin:auto;width:76px;height:76px;border-radius:50%;display:grid;place-items:center;background:#ff0033;color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.35);transition:transform .2s}
.yt-btn svg{width:34px;height:34px;margin-inline-start:4px}
[dir=rtl] .yt-btn svg{margin-inline-start:0;margin-inline-end:4px}
.yt-play:hover .yt-btn{transform:scale(1.07)}
.yt-len{position:absolute;inset-inline-end:12px;bottom:12px;padding:3px 9px;border-radius:7px;background:rgba(10,15,30,.82);color:#fff;font-size:12.5px;font-weight:800}
.yt-cap{margin-block-start:8px!important;text-align:start!important;font-size:13.5px!important}
.yt-cap a{color:var(--text-faint)!important;text-decoration:none!important}
.yt-cap a::before{content:"↗ "}
.yt iframe{display:block;width:100%;aspect-ratio:16/9;height:auto;border:0;border-radius:var(--radius-lg)}

/* previous / next lesson */
.lesson-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-block-start:26px}
.lesson-nav a{display:grid;gap:6px;padding:16px 18px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);transition:border-color .15s}
.lesson-nav a:hover{border-color:var(--primary-line)}
.lesson-nav small{font-size:13px;color:var(--text-faint);font-weight:700}
.lesson-nav b{font-size:15.5px;line-height:1.6}
.lesson-nav .ep{font-size:12px;padding:1px 9px}
.ln-next{text-align:end}
@media(max-width:600px){.lesson-nav{grid-template-columns:1fr}.ln-next{text-align:start}}

/* lesson cards (posts page, archives) */
.list-t{font-size:1.25rem;margin:0 0 16px}
.lesson-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.lc{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;min-width:0;transition:border-color .15s}
.lc:hover{border-color:var(--primary-line)}
.lc-thumb{position:relative;display:block;aspect-ratio:16/9;background:var(--surface-2)}
.lc-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.lc-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.lc-body .ep{align-self:flex-start;font-size:12px;padding:1px 9px}
.lc-title{font-size:1.05rem;line-height:1.6}
.lc-title a:hover{color:var(--primary-text)}
.lc-body p{margin:0;font-size:14.5px;color:var(--text-muted);line-height:1.8}
.lc-meta{margin-block-start:auto;display:flex;flex-wrap:wrap;gap:4px 14px;font-size:13px;color:var(--text-faint)}
.lc-meta a:hover{color:var(--primary-text)}
.pagination,.nav-links{display:flex;flex-wrap:wrap;gap:6px;margin-block-start:26px}
.page-numbers{min-width:40px;height:40px;display:inline-grid;place-items:center;padding-inline:10px;border-radius:10px;border:1px solid var(--border);background:var(--surface);font-weight:800}
.page-numbers.current{background:var(--primary);border-color:var(--primary);color:var(--on-brand)}
@media(max-width:640px){.lesson-cards{grid-template-columns:1fr}}

/* page side card */
.side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}
.side-card h2{font-size:1.1rem;margin:0 0 12px}
.side-img{display:block;width:100%;height:auto;border-radius:var(--radius);margin-block-end:14px}
.side-img.is-round{width:132px;height:132px;border-radius:50%;margin:4px auto 16px;box-shadow:0 0 0 1px var(--border),0 12px 26px -16px rgba(20,33,61,.5)}
.facts{margin:0 0 16px;display:grid;gap:0}
.facts div{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:10px;padding:9px 0;border-block-end:1px dashed var(--border);font-size:14.5px}
.facts div:last-child{border:0}
.facts dt{color:var(--text-faint)}
.facts dd{margin:0;font-weight:800;color:var(--text)}
.side-note{margin:12px 0 0;font-size:13px;color:var(--text-faint);line-height:1.8}

/* tables: labelled cards on phones */
@media(max-width:700px){
  .prose table.stack,.prose table.stack tbody,.prose table.stack tr{display:block;width:100%}
  .prose table.stack thead{display:none}
  .prose table.stack tr{margin-block-end:12px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
  .prose table.stack td{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:10px;border:0;border-block-end:1px solid var(--border);padding:9px 12px;overflow-wrap:break-word}
  .prose table.stack td:last-child{border-block-end:0}
  .prose table.stack td::before{content:attr(data-h);font-weight:800;color:var(--text-faint);font-size:13.5px}
  .prose table.stack td:first-child{display:block;background:var(--surface-2);font-weight:900;color:var(--text)}
  .prose table.stack td:first-child::before{content:none}
}

/* footer */
.foot{background:#0c1426;color:#c3cbdd;padding-block:54px 26px;border-block-start:4px solid var(--primary)}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:30px}
.foot .logo{color:#fff}
.foot-brand p{margin:14px 0 0;font-size:14.5px;line-height:1.9;color:#aab4ca;max-width:380px}
.foot h4{font-size:15px;color:#fff;margin:0 0 12px}
.ftr-menu{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.ftr-menu a{font-size:14.5px;color:#b8c1d6}
.ftr-menu a:hover{color:#fff}
.foot-legal{margin-block-start:34px;padding-block-start:22px;border-block-start:1px solid rgba(255,255,255,.1);display:grid;gap:10px}
.foot-legal p{margin:0;font-size:13.5px;line-height:1.9;color:#99a4bc}
.foot-legal b{color:#dfe5f2}
.foot-end{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-block-start:20px;font-size:13.5px;color:#8f9ab3}
.to-top{display:inline-flex;align-items:center;gap:6px;color:#c3cbdd}
.to-top .up{transform:rotate(-90deg);width:16px;height:16px}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}

/* comments */
#comments .sec-head{margin-block-end:18px}
.comment-form{display:grid;gap:12px}
@media(min-width:760px){.comment-form{grid-template-columns:1fr 1fr}.comment-form .comment-form-comment,.comment-form .comment-notes,.comment-form .logged-in-as,.comment-form .comment-form-cookies-consent,.comment-form .form-submit{grid-column:1/-1}.comment-form .comment-form-url{grid-column:1/-1}}

/* offer popup: a centred dialog over a dimmed page on wide screens; on phones a card from the bottom that leaves the
   page readable (Google's guidance on pop-ups), never a full-screen cover. The card takes the page's opposite colours
   (warm paper on the dark site, navy on the light one) under a red top edge, so it reads as an offer box, not as part
   of the page */
.offer-wrap{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:20px}
.offer-bg{position:absolute;inset:0;background:rgba(12,20,38,.55);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);animation:offer-fade .25s ease-out both}
.offer{--o-bg:#fbf8f1;--o-card:#fff;--o-line:#e3d9c4;--o-text:#14213d;--o-muted:#46516c;--o-faint:#6b7389;--o-accent:#b3202e;--o-tick:#0f9d63}
[data-theme=light] .offer{--o-bg:#14213d;--o-card:#1f3058;--o-line:rgba(255,255,255,.13);--o-text:#fff;--o-muted:#cdd4e4;--o-faint:#a3adc6;--o-accent:#fbbf24;--o-tick:#4ade80}
.offer{position:relative;width:min(640px,100%);max-height:calc(100dvh - 40px);overflow:auto;padding:26px 26px 18px;border-radius:var(--radius-xl);background:var(--o-bg);color:var(--o-text);border:0;border-top:6px solid var(--brand);box-shadow:0 30px 80px -20px rgba(0,0,0,.7);animation:offer-in .3s ease-out both}
@keyframes offer-in{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
@keyframes offer-fade{from{opacity:0}to{opacity:1}}
@media(prefers-reduced-motion:reduce){.offer,.offer-bg{animation:none}}
.offer-x{position:absolute;inset-inline-end:12px;top:12px;width:38px;height:38px;border-radius:50%;border:1px solid var(--o-line);background:var(--o-card);color:var(--o-muted);display:grid;place-items:center;cursor:pointer}
.offer-x:hover{color:var(--o-text);border-color:var(--o-muted)}
.offer-x .ico{width:18px;height:18px}
.offer-k{margin:0 0 4px;font-size:13px;font-weight:800;color:var(--o-accent)}
.offer-t{margin:0 0 18px;padding-inline-end:44px;font-weight:900;font-size:clamp(1.15rem,2.4vw,1.4rem);line-height:1.5}
.offer-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.offer-item{display:flex;flex-direction:column;gap:12px;padding:18px;border-radius:var(--radius-lg);background:var(--o-card);border:1px solid var(--o-line)}
.offer-logo{width:56px;height:56px;border-radius:14px;display:block;box-shadow:0 0 0 1px var(--o-line)}
.offer-b{display:grid;gap:8px;flex:1;align-content:start}
.offer-n{margin:0;font-size:17px;line-height:1.5}
.offer-n span{display:block;font-size:13px;font-weight:800;color:var(--o-accent)}
.offer-pts{margin:0;padding:0;list-style:none;display:grid;gap:4px;font-size:13.5px;line-height:1.7;color:var(--o-muted)}
.offer-pts li{position:relative;padding-inline-start:18px}
.offer-pts li::before{content:"✓";position:absolute;inset-inline-start:0;font-weight:900;color:var(--o-tick)}
.offer-go{width:100%}
.offer-note{margin:14px 0 0;font-size:12.5px;line-height:1.8;color:var(--o-faint)}
.offer-note a{color:var(--o-accent);font-weight:700;text-decoration:underline;text-underline-offset:3px;white-space:nowrap}
html.offer-on{overflow:hidden}
@media(max-width:767px){
  .offer-wrap{inset:auto 0 0 0;padding:0 10px 10px;display:block}
  .offer-bg{display:none}
  html.offer-on{overflow:visible}
  .offer{width:100%;max-height:60dvh;padding:16px 14px 12px;border-radius:var(--radius-lg);border-top-width:5px;box-shadow:0 -12px 44px -10px rgba(0,0,0,.55)}
  .offer-k{display:none}
  .offer-t{font-size:.98rem;margin-bottom:10px;padding-inline-end:40px}
  .offer-note{margin-top:8px;font-size:11.5px;line-height:1.7}
  .offer-list{grid-template-columns:1fr;gap:8px}
  .offer-item{display:grid;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:10px;padding:8px 10px}
  .offer-logo{width:40px;height:40px;border-radius:10px}
  .offer-pts{display:none}
  .offer-n{font-size:15px}
  .offer-go{width:auto;height:40px;padding-inline:14px;font-size:14px}
  .offer-x{top:10px;width:34px;height:34px}
}

/* room for the site's own fixed bottom bar (Header Footer Code Manager), and tighter spacing in it on narrow phones */
body:has(.nbx){padding-block-end:64px}
.nbx{max-width:100vw;overflow:hidden;contain:inline-size}
.nbx .nbx-in{max-width:min(980px,100%)}
@media(max-width:400px){.nbx .nbx-in{gap:8px;padding:8px 10px}.nbx .nbx-a.nbx-a{padding:8px 11px;font-size:12px;gap:5px}.nbx .nbx-t{font-size:11.5px}}

.empty-state{padding:30px;border:1px dashed var(--border-strong);border-radius:var(--radius-lg);text-align:center}
.hero-img img{width:100%;height:auto;border-radius:var(--radius-lg)}