/* ============================================================================
   Distinction — studygram brand theme
   Palette pulled straight from the hand-drawn hero art: exam-paper cream ground,
   ink-navy lettering, sage "got it", terracotta "watch out". A deliberately
   single, warm, calm world (no dark mode) — the paper IS the brand.
   ============================================================================ */
:root{
  --paper:#F3EBD9; --paper-2:#F5EFE1; --card:#FBF6EA;
  --ink:#23253C; --ink-soft:#55586F; --ink-faint:#8A836F;
  --sage:#3C7A63; --sage-ink:#2E6350; --sage-soft:#E7F0E9;
  --rust:#C0563A; --rust-ink:#A6482F; --rust-soft:#F7E7DF;
  --line:#E1D6BC; --line-soft:#EADFC7;
  --sans:'Figtree',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --display:'Space Grotesk',var(--sans);
  --shadow:0 1px 2px rgba(35,37,60,.05),0 10px 34px rgba(35,37,60,.08);
  --shadow-lg:0 6px 16px rgba(35,37,60,.10),0 30px 64px rgba(35,37,60,.14);
  --wrap:1120px; --radius:16px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:18px;line-height:1.62;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(circle at 8% -8%,rgba(60,122,99,.05),transparent 42%),
                   radial-gradient(circle at 95% 2%,rgba(192,86,58,.045),transparent 40%);}
img{max-width:100%;height:auto;display:block;}
a{color:var(--sage-ink);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.12;letter-spacing:-.02em;
  text-wrap:balance;margin:0;color:var(--ink);}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.eyebrow{font-family:var(--display);font-size:.72rem;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--rust-ink);}
.center{text-align:center;}
:focus-visible{outline:2.5px solid var(--sage);outline-offset:2px;border-radius:4px;}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--display);font-weight:600;
  font-size:.98rem;padding:.72em 1.35em;border-radius:11px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .12s ease,box-shadow .12s ease;text-decoration:none;}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn-primary{background:var(--rust);color:#fff;box-shadow:0 6px 18px rgba(192,86,58,.28);}
.btn-sage{background:var(--sage);color:#fff;box-shadow:0 6px 18px rgba(60,122,99,.28);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--sage);color:var(--sage-ink);}

/* ---- nav ---- */
.site-nav{position:sticky;top:0;z-index:50;background:rgba(243,235,217,.86);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line-soft);}
.site-nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;
  font-size:1.16rem;color:var(--ink);letter-spacing:-.02em;}
.brand:hover{text-decoration:none;}
.brand .tick{width:26px;height:26px;border-radius:8px;background:var(--sage);color:#fff;
  display:grid;place-items:center;font-size:15px;box-shadow:0 2px 6px rgba(60,122,99,.4);}
.nav-links{display:flex;align-items:center;gap:22px;list-style:none;margin:0;padding:0;}
.nav-links a{font-weight:600;font-size:.94rem;color:var(--ink-soft);}
.nav-links a:hover{color:var(--sage-ink);text-decoration:none;}
.nav-right{display:flex;align-items:center;gap:14px;}

/* ---- hero ---- */
.hero{padding:64px 0 40px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(2.3rem,5.4vw,3.7rem);line-height:1.04;}
.hero .lede{font-size:1.24rem;line-height:1.5;color:var(--ink-soft);margin:22px 0 26px;max-width:34ch;}
.hero .cta-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.hero .cta-note{font-size:.92rem;color:var(--ink-faint);}
.hero-art{position:relative;}
.hero-art img{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow-lg);
  transform:rotate(1.4deg);background:var(--card);}
.hero-art .stamp{position:absolute;left:-14px;bottom:-14px;background:var(--sage);color:#fff;
  font-family:var(--display);font-weight:700;font-size:.82rem;padding:8px 14px;border-radius:12px;
  box-shadow:var(--shadow);transform:rotate(-3deg);}

/* ---- subject breadth row ---- */
.breadth{padding:16px 0 10px;}
.breadth .row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
.subject-pill{font-family:var(--display);font-weight:600;font-size:.92rem;padding:9px 16px;
  border-radius:999px;border:1.5px solid var(--line);color:var(--ink-faint);background:var(--card);}
.subject-pill.lit{color:#fff;background:var(--sage);border-color:var(--sage);}
.subject-pill.soon::after{content:" · soon";color:var(--ink-faint);font-weight:500;}
.breadth .cap{text-align:center;color:var(--ink-faint);font-size:.9rem;margin-top:12px;}

/* ---- section scaffolding ---- */
.section{padding:56px 0;}
.section-head{max-width:60ch;margin-bottom:30px;}
.section-head h2{font-size:clamp(1.7rem,3.6vw,2.4rem);margin-top:8px;}
.section-head p{color:var(--ink-soft);font-size:1.08rem;margin:12px 0 0;}

/* ---- free-sample feature ---- */
.feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);}
.feature img{border-radius:12px;border:1px solid var(--line);}
.feature .flag{display:inline-block;font-family:var(--display);font-weight:700;font-size:.72rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--sage-ink);background:var(--sage-soft);
  padding:5px 11px;border-radius:8px;}
.feature h3{font-size:1.7rem;margin:12px 0 10px;}
.feature p{color:var(--ink-soft);margin:0 0 18px;}

/* ---- trust strip ---- */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.trust .t{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;
  box-shadow:var(--shadow);}
.trust .t .ic{width:34px;height:34px;border-radius:9px;background:var(--sage-soft);color:var(--sage-ink);
  display:grid;place-items:center;font-weight:800;margin-bottom:12px;font-family:var(--display);}
.trust .t h4{font-size:1.06rem;margin:0 0 6px;}
.trust .t p{margin:0;color:var(--ink-soft);font-size:.96rem;}

/* ---- pricing ---- */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;}
.price{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  display:flex;flex-direction:column;box-shadow:var(--shadow);}
.price.featured{border-color:var(--sage);box-shadow:0 6px 18px rgba(60,122,99,.18);position:relative;}
.price.featured::before{content:"Most popular";position:absolute;top:-12px;left:26px;background:var(--sage);
  color:#fff;font-family:var(--display);font-weight:700;font-size:.68rem;letter-spacing:.06em;
  text-transform:uppercase;padding:4px 10px;border-radius:7px;}
.price .name{font-family:var(--display);font-weight:600;color:var(--ink-soft);font-size:.86rem;
  letter-spacing:.04em;text-transform:uppercase;}
.price .amt{font-family:var(--display);font-weight:700;font-size:2.4rem;letter-spacing:-.03em;margin:6px 0 2px;}
.price .amt small{font-size:.9rem;font-weight:600;color:var(--ink-faint);letter-spacing:0;}
.price .sub{color:var(--ink-faint);font-size:.9rem;margin-bottom:16px;}
.price ul{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:9px;}
.price li{font-size:.94rem;color:var(--ink-soft);padding-left:24px;position:relative;}
.price li::before{content:"✓";position:absolute;left:0;color:var(--sage);font-weight:800;}
.price .btn{margin-top:auto;justify-content:center;}
.price-note{text-align:center;color:var(--ink-faint);font-size:.9rem;margin-top:18px;}

/* ---- topic / library grid ---- */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px;}
.topic-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow);transition:transform .14s ease,box-shadow .14s ease;position:relative;}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.topic-card a{color:inherit;}.topic-card a:hover{text-decoration:none;}
.topic-card .thumb{aspect-ratio:16/10;object-fit:cover;object-position:top center;width:100%;
  border-bottom:1px solid var(--line);background:var(--paper-2);}
.topic-card .body{padding:15px 17px 18px;}
.topic-card .subj{font-family:var(--display);font-size:.66rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--rust-ink);}
.topic-card h3{font-size:1.12rem;margin:5px 0 0;}
.topic-card .tick{position:absolute;top:10px;left:10px;z-index:2;background:var(--sage);color:#fff;width:26px;
  height:26px;border-radius:50%;display:none;place-items:center;font-size:14px;box-shadow:var(--shadow);}
.topic-card.done .tick{display:grid;}
.topic-card .body-top{display:flex;align-items:center;gap:8px;justify-content:space-between;margin-bottom:5px;}
.lockpill{font-family:var(--display);font-size:.6rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--ink-faint);background:var(--paper-2);border:1px solid var(--line);padding:2px 8px;border-radius:20px;white-space:nowrap;}

/* ---- member home ---- */
.hero--member{padding:48px 0 4px;}
.hero--member .lede{max-width:42ch;}
.continue-card{margin-top:6px;}
.subject-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;}
.subject-tile{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;
  box-shadow:var(--shadow);transition:transform .14s ease,box-shadow .14s ease;}
.subject-tile:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);text-decoration:none;}
.subject-tile h3{font-size:1.35rem;margin:0 0 4px;}
.subject-tile span{color:var(--sage-ink);font-weight:600;font-size:.92rem;}
.upsell{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:var(--sage-soft);border:1px solid #cfe4d6;border-radius:14px;padding:20px 22px;margin-top:20px;}
.upsell h3{font-size:1.15rem;margin:0 0 4px;}
.upsell p{margin:0;color:var(--ink-soft);font-size:.95rem;max-width:52ch;}
.upsell-cta{display:flex;gap:10px;flex-wrap:wrap;}
.continue-card[hidden]{display:none !important;}

/* ---- progress banner ---- */
.progress-banner{display:flex;align-items:center;gap:16px;background:var(--sage-soft);
  border:1px solid #cfe4d6;border-radius:14px;padding:16px 20px;margin-bottom:26px;}
.progress-banner .bar{flex:1;height:9px;background:#fff;border-radius:6px;overflow:hidden;border:1px solid #cfe4d6;}
.progress-banner .bar i{display:block;height:100%;width:0;background:var(--sage);border-radius:6px;transition:width .5s ease;}
.progress-banner .lab{font-family:var(--display);font-weight:600;font-size:.9rem;color:var(--sage-ink);white-space:nowrap;}

/* ---- post / lesson ---- */
.lesson{padding:40px 0 20px;}
.lesson-head{max-width:760px;margin:0 auto 8px;}
.lesson-head .crumbs{font-family:var(--display);font-size:.72rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--rust-ink);margin-bottom:12px;}
.lesson-head h1{font-size:clamp(2rem,4.4vw,2.9rem);line-height:1.08;}
.lesson-meta{display:flex;align-items:center;gap:12px;margin-top:16px;color:var(--ink-faint);
  font-size:.92rem;font-family:var(--display);font-weight:500;}
.lesson-meta .badge{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:3px 11px;color:var(--ink-soft);}
.lesson-feature{max-width:820px;margin:26px auto 0;}
.lesson-feature img{border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow-lg);width:100%;}

.prose{max-width:720px;margin:8px auto 0;font-size:1.08rem;line-height:1.72;}
.prose>*{margin:0 0 1.15em;}
.prose h2{font-size:1.6rem;margin:1.9em 0 .5em;color:var(--sage-ink);}
.prose h3{font-size:1.24rem;margin:1.5em 0 .4em;}
.prose strong{color:var(--ink);}
.prose sub{font-size:.72em;vertical-align:-.28em;}.prose sup{font-size:.72em;vertical-align:.4em;}
.prose ul,.prose ol{padding-left:1.3em;}
.prose li{margin:.35em 0;}
.prose img{border-radius:12px;border:1px solid var(--line);margin:1.6em auto;}
.prose hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
.prose table{border-collapse:collapse;width:100%;font-size:.96rem;}
.prose th{background:#EFE8D6;text-align:left;}
.prose td,.prose th{border:1px solid var(--line);padding:8px 11px;}
/* callouts (post HTML uses blockquote) — sage "in plain words" */
.prose blockquote{margin:1.5em 0;border-left:5px solid var(--sage);background:var(--sage-soft);
  border-radius:0 12px 12px 0;padding:14px 18px;color:var(--ink);}
.prose blockquote p{margin:0;}
.prose blockquote strong{color:var(--sage-ink);}
/* native Ghost audio card — restyled as a calm streaming bar */
.prose .kg-audio-card{background:var(--ink);color:var(--paper);border-radius:14px;padding:12px 14px;
  border:none;box-shadow:var(--shadow);}
.prose .kg-audio-card .kg-audio-title{color:var(--paper);font-family:var(--display);}
.prose .kg-audio-play-icon,.prose .kg-audio-pause-icon{color:var(--sage);}

/* worksheet + actions */
.lesson-actions{max-width:720px;margin:34px auto 0;display:flex;gap:12px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--line);}
.mark-complete{font-family:var(--display);font-weight:600;}
.mark-complete.is-done{background:var(--sage);color:#fff;border-color:var(--sage);}

/* gated CTA (non-members) */
.gate{max-width:640px;margin:30px auto 0;background:var(--card);border:1px solid var(--sage);
  border-radius:var(--radius);padding:30px;text-align:center;box-shadow:var(--shadow);}
.gate h3{font-size:1.5rem;margin-bottom:8px;}
.gate p{color:var(--ink-soft);margin:0 auto 18px;max-width:44ch;}

/* ---- generic page ---- */
.page-content{max-width:720px;margin:40px auto;}

/* ---- footer ---- */
.site-foot{margin-top:40px;border-top:1px solid var(--line);background:var(--paper-2);}
.site-foot .wrap{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center;
  padding-top:30px;padding-bottom:30px;}
.site-foot .brand{font-size:1rem;}
.site-foot .fnav{display:flex;gap:18px;list-style:none;margin:0;padding:0;}
.site-foot .fnav a{color:var(--ink-soft);font-size:.9rem;}
.site-foot .fine{width:100%;color:var(--ink-faint);font-size:.82rem;}

/* ---- Koenig editor card widths (required) ---- */
.prose .kg-width-wide{max-width:1000px;width:auto;margin-left:auto;margin-right:auto;}
.prose .kg-width-full{max-width:100%;width:100%;border-radius:0;}
.prose .kg-image{margin-left:auto;margin-right:auto;}
figure.kg-card{margin:1.6em auto;}
figcaption{text-align:center;color:var(--ink-faint);font-size:.86rem;margin-top:8px;}

/* ---- sign-in link + pagination ---- */
.signin{font-family:var(--display);font-weight:600;font-size:.92rem;color:var(--ink-soft);}
.signin:hover{color:var(--sage-ink);text-decoration:none;}
.pagination{display:flex;align-items:center;justify-content:center;gap:22px;margin-top:40px;
  font-family:var(--display);font-weight:600;color:var(--ink-soft);}
.pagination a{color:var(--sage-ink);}
.pagination .page-number{color:var(--ink-faint);font-weight:500;}

/* ---- responsive ---- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .hero-art{order:-1;max-width:420px;}
  .feature{grid-template-columns:1fr;}
  .trust,.pricing{grid-template-columns:1fr;}
}
@media (max-width:640px){
  body{font-size:17px;}
  .nav-links{display:none;}
  .hero{padding:40px 0 24px;}
  .section{padding:42px 0;}
}

/* --- member home: locked subject tiles + never-blank topic cards --- */
.subject-tile.locked{border-style:dashed;}
.subject-tile.locked h3::after{content:"· locked";font-family:var(--display);font-size:.58rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);margin-left:8px;vertical-align:middle;}
.topic-card .thumb--ph{aspect-ratio:16/10;width:100%;display:grid;place-items:center;background:var(--paper-2);border-bottom:1px solid var(--line);padding:10px;text-align:center;}
.topic-card .thumb--ph span{font-family:var(--display);font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);font-size:.78rem;}
.topic-card.no-thumb .body{padding-top:17px;}
.section-head--row{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;}
.section-head--row h2{margin-right:auto;}
.see-all{font-family:var(--display);font-weight:700;font-size:.9rem;color:var(--sage-ink);white-space:nowrap;}
.see-all:hover{text-decoration:underline;}