/* Learn pages (get-verso.org/learn). Same tokens, nav, buttons and footer as
   index.html; article typography below. Pages are built by tools/build_learn.py. */
:root{
  --paper:#EFEBE3;
  --card:#F7F3EB;
  --ink:#1A1916;
  --ink2:#3F3B33;
  --muted:#807868;
  --rule:#D9D2C4;
  --rule2:#E5DFD2;
  --clay:#B8593E;
  --clay-bg:#F2DAD0;
  --sage:#7C8B62;
  --sage-bg:#EBF1DD;
  --radius-xl:24px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{background:var(--paper);color:var(--ink);font-family:"DM Sans","-apple-system",system-ui,sans-serif;font-weight:400;-webkit-font-smoothing:antialiased;line-height:1.5;}
body{overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
.mono{font-family:"DM Mono",ui-monospace,"SF Mono",Menlo,monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.wrap{width:100%;max-width:760px;margin:0 auto;padding:0 32px;}
@media (max-width:720px){.container,.wrap{padding:0 20px;}}

/* ---------- NAV (as index.html) ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);background:rgba(239,235,227,.85);border-bottom:1px solid transparent;transition:border-color .2s;}
.nav.scrolled{border-color:var(--rule);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;letter-spacing:-.02em;}
.brand img{display:block;object-fit:contain;}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--ink2);}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--ink);}
.nav-links a[aria-current]{font-weight:500;}
.nav-cta{display:flex;gap:10px;align-items:center;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:transform .15s,background .2s,color .2s,border-color .2s;font-family:inherit;}
.btn:active{transform:translateY(1px);}
.btn-ghost{color:var(--ink);}
.btn-ghost:hover{background:rgba(26,25,22,.06);}
.btn-primary{background:var(--clay);color:#fff;}
.btn-primary:hover{background:#a04d35;}
.btn-sm{height:34px;padding:0 14px;font-size:13px;}
@media (max-width:860px){.nav-links{display:none;}}
@media (max-width:360px){.nav-web{display:none;}}

/* ---------- LEARN INDEX ---------- */
.l-head{padding:56px 32px 40px;}
.l-head h1{font-size:clamp(40px,6vw,76px);line-height:1;letter-spacing:-.035em;font-weight:500;margin:16px 0 18px;text-wrap:balance;}
.l-head h1 i,.a-head h1 i{font-style:italic;color:var(--clay);font-weight:500;}
.l-head p{font-size:18px;line-height:1.55;color:var(--ink2);max-width:560px;}
.l-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media (max-width:980px){.l-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.l-grid{grid-template-columns:1fr;}}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--rule);border-radius:var(--radius-xl);overflow:hidden;transition:transform .2s,box-shadow .2s;}
.post-card:hover{transform:translateY(-2px);box-shadow:0 18px 36px -24px rgba(26,25,22,.4);}
.post-card img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.pc-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;}
.pc-body h2{font-size:22px;line-height:1.15;letter-spacing:-.02em;font-weight:500;text-wrap:balance;}
.pc-body p{font-size:14.5px;color:var(--ink2);line-height:1.55;}
.l-section{margin-top:88px;}
.l-section h2{font-size:clamp(28px,3.6vw,40px);line-height:1.05;letter-spacing:-.03em;font-weight:500;margin-bottom:8px;}
.l-section > p{color:var(--ink2);margin-bottom:24px;max-width:560px;}

/* ---------- ARTICLE ---------- */
.a-head{padding-top:48px;padding-bottom:32px;}
.crumbs{display:flex;gap:8px;font-size:13px;color:var(--muted);margin-bottom:28px;}
.crumbs a:hover{color:var(--ink);}
.a-head h1{font-size:clamp(36px,5.2vw,60px);line-height:1.02;letter-spacing:-.035em;font-weight:500;margin:14px 0 18px;text-wrap:balance;}
.dek{font-size:19px;line-height:1.5;color:var(--ink2);text-wrap:pretty;}
.byline{margin-top:20px;font-size:13px;color:var(--muted);}
.hero-img{max-width:1100px;margin:0 auto 8px;padding:0 32px;}
.hero-img img{width:100%;aspect-ratio:2/1;object-fit:cover;border-radius:var(--radius-xl);}
@media (max-width:720px){.hero-img{padding:0 20px;}.hero-img img{aspect-ratio:3/2;border-radius:18px;}}
figcaption{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.45;}
figcaption a{text-decoration:underline;text-underline-offset:2px;}

.prose{padding-top:32px;font-size:17.5px;line-height:1.7;color:var(--ink2);}
.prose > * + *{margin-top:1.1em;}
.prose h2{font-size:clamp(26px,3vw,34px);line-height:1.12;letter-spacing:-.025em;font-weight:500;color:var(--ink);margin-top:2.2em;text-wrap:balance;scroll-margin-top:84px;}
.prose h3{font-size:21px;line-height:1.25;letter-spacing:-.015em;font-weight:500;color:var(--ink);margin-top:1.8em;scroll-margin-top:84px;}
.prose h2 + *,.prose h3 + *{margin-top:.6em;}
.prose strong{color:var(--ink);font-weight:600;}
.prose em{font-style:italic;}
.prose a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--clay);text-underline-offset:3px;text-decoration-thickness:1.5px;}
.prose a:hover{color:var(--clay);}
.prose ul,.prose ol{padding-left:1.3em;}
.prose li + li{margin-top:.5em;}
.prose li::marker{color:var(--clay);}
.prose .lead{font-size:19px;line-height:1.6;color:var(--ink);background:var(--card);border:1px solid var(--rule);border-left:3px solid var(--clay);border-radius:14px;padding:20px 24px;}
.prose .note{font-size:15px;color:var(--muted);font-style:italic;}
.prose figure{margin-top:2em;margin-bottom:2em;}
.prose figure img{width:100%;border-radius:18px;}
.prose table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.5;margin-top:1.4em;}
.prose th{text-align:left;font-family:"DM Mono",monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500;padding:10px 12px 10px 0;border-bottom:1px solid var(--ink);vertical-align:bottom;}
.prose td{padding:12px 12px 12px 0;border-bottom:1px solid var(--rule);vertical-align:top;}
.prose td:first-child{color:var(--ink);font-weight:500;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.table-scroll table{min-width:560px;}
.prose ol.books > li{padding-left:.2em;}

/* free story cards */
.story-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:1.6em;margin-bottom:.6em;}
.story-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--rule);border-radius:16px;overflow:hidden;font-size:14px;line-height:1.35;text-decoration:none !important;color:var(--ink) !important;transition:transform .2s;}
.story-card:hover{transform:translateY(-2px);}
.story-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0 !important;}
.story-card .sc-body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:3px;flex:1;}
.story-card .lv{font-family:"DM Mono",monospace;font-size:10px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);}
.story-card b{font-weight:500;font-size:15px;}
.story-card .en{color:var(--muted);font-size:13px;}
.story-card .go{margin-top:auto;padding-top:8px;color:var(--clay);font-weight:500;font-size:13px;}

/* phone screenshots */
.screens{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;}
.screens .phone{width:220px;border-radius:32px;background:#0a0807;padding:6px;box-shadow:0 30px 60px -30px rgba(26,25,22,.45);}
.screens .phone img{border-radius:26px !important;}
.screens figcaption{width:100%;text-align:center;}

/* ---------- GET VERSO BOX (end of every article) ---------- */
.get-verso{margin-top:64px;}
.gv-box{position:relative;overflow:hidden;background:var(--clay);color:#fff;border-radius:var(--radius-xl);padding:36px;display:grid;grid-template-columns:auto 1fr;gap:6px 22px;align-items:center;}
.gv-box::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 6px,transparent 6px 22px);pointer-events:none;}
.gv-box > *{position:relative;z-index:1;}
.gv-olo{grid-row:span 2;width:64px;height:64px;background:var(--paper);border-radius:50%;padding:8px;object-fit:contain;}
.gv-text h2{font-size:28px;line-height:1.1;letter-spacing:-.025em;font-weight:500;}
.gv-text p{font-size:15px;line-height:1.55;opacity:.92;margin-top:6px;max-width:44ch;}
.gv-box .store-row{grid-column:1 / -1;margin-top:18px;}
.gv-fine{grid-column:1 / -1;margin-top:12px;font-family:"DM Mono",monospace;font-size:11px;letter-spacing:.06em;opacity:.75;}
@media (max-width:560px){.gv-box{padding:28px 22px;grid-template-columns:1fr;}.gv-olo{grid-row:auto;}}
.store-row{display:flex;gap:10px;flex-wrap:wrap;}
.store{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:12px;padding:10px 16px;display:flex;align-items:center;gap:10px;font-size:13px;transition:background .2s;}
.store:hover{background:rgba(255,255,255,.22);}
.store .ic{width:22px;height:22px;flex:none;}
.store small{display:block;font-size:10px;opacity:.75;letter-spacing:.04em;text-transform:uppercase;font-family:"DM Mono",monospace;}
.store b{font-weight:500;font-size:14px;}
.store-dark{background:var(--ink);border-color:var(--ink);}
.store-dark:hover{background:#000;}

/* keep reading */
.more{margin-top:72px;}
.more h2{font-size:24px;letter-spacing:-.02em;font-weight:500;margin-bottom:18px;}
.more-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media (max-width:640px){.more-list{grid-template-columns:1fr;}}
.more .post-card img{aspect-ratio:2/1;}
.more .pc-body h2{font-size:19px;margin:0;}

/* ---------- FOOTER (as index.html) ---------- */
.footer{padding:72px 0 40px;border-top:1px solid var(--rule);margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.4fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;flex-direction:column;gap:16px;}
.footer-brand p{color:var(--muted);font-size:14px;max-width:34ch;line-height:1.55;}
.fcol h5{font-size:11px;font-family:"DM Mono",monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-weight:500;}
.fcol a{display:block;font-size:14px;color:var(--ink2);padding:5px 0;}
.fcol a:hover{color:var(--ink);}
.footline{margin-top:56px;display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--rule);font-size:12px;color:var(--muted);flex-wrap:wrap;gap:12px;font-family:"DM Mono",monospace;letter-spacing:.04em;}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}.footer-brand{grid-column:span 2;}}