/* OpenEscool marketing site: shared styles (paper gallery direction) */
:root{
  --canvas:#F7F4ED; --surface:#FFFFFF; --soft:#EEEAE2; --ink:#111110; --muted:#6E6962; --line:#DDD6CB;
  --r-tile:18px; --r-card:22px; --pad:clamp(16px,2.4vw,32px); --max:1440px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{background:var(--canvas);color:var(--ink);font:400 17px/1.55 "Inter Tight",system-ui,-apple-system,"Segoe UI",sans-serif;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--canvas);padding:10px 16px;border-radius:999px;z-index:50}
.skip:focus{left:16px}
.wrap{padding-inline:var(--pad);max-width:var(--max);margin:0 auto}
.lbl{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500}
h1,h2,h3{font-weight:500;letter-spacing:-.045em;line-height:.98;text-wrap:balance}
h1{font-size:clamp(2.7rem,1.2rem + 5vw,5rem)}
h2{font-size:clamp(2.2rem,1rem + 3.4vw,3.6rem)}
h3{font-size:1.45rem;letter-spacing:-.03em;line-height:1.12}
.muted{color:var(--muted)}
.pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 26px;border-radius:999px;font-weight:500;font-size:1rem;letter-spacing:-.02em;white-space:nowrap;text-decoration:none;transition:transform .2s ease,background .2s ease}
.pill:hover{transform:translateY(-1px)}
.pill.dark{background:var(--ink);color:var(--canvas)}
.pill.light{background:var(--soft);color:var(--ink)}
.pill.paper{background:var(--canvas);color:#000}
.pill.sm{height:44px;padding:0 20px;font-size:.95rem}
.ctas{display:flex;gap:10px;flex-wrap:wrap}

/* nav (solid) */
.top{position:sticky;top:0;z-index:30;background:var(--canvas);border-bottom:1px solid var(--line)}
.top .in{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:76px}
.nav-l,.nav-r{display:flex;gap:24px;align-items:center;font-size:.95rem;color:var(--muted)}
.nav-r{justify-content:flex-end}
.nav-l a,.nav-r a.t{text-decoration:none}
.nav-l a:hover,.nav-r a.t:hover{color:var(--ink)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.3rem;letter-spacing:-.05em;text-decoration:none;color:var(--ink)}
.mark{width:22px;height:22px;display:grid;grid-template-columns:1fr 1fr;gap:3px;flex:none}
.mark i{border-radius:50%;background:var(--ink)}
.mark i:nth-child(2){border-radius:4px}
.menu-btn{display:none;background:none;border:0;width:44px;height:44px;border-radius:50%;cursor:pointer}
.menu-btn span{display:block;width:20px;height:2px;background:var(--ink);margin:4px auto;border-radius:2px}

/* footer */
footer.site{padding:clamp(72px,9vw,128px) 0 0;overflow:hidden;border-top:1px solid var(--line);margin-top:clamp(72px,9vw,128px)}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--pad);align-items:start}
.foot h2{font-size:clamp(3rem,1.6rem + 4.5vw,5.6rem)}
.foot .cols{display:grid;gap:12px;font-size:1.02rem}
.foot .cols a{text-decoration:none}
.foot .cols a:hover{text-decoration:underline}
.foot .cols .lbl{margin-bottom:6px}
.giant{font-weight:600;font-size:clamp(4rem,.5rem + 16vw,16rem);letter-spacing:-.065em;line-height:.78;margin:72px 0 .14em;white-space:nowrap;text-align:center;user-select:none}
.legal{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:var(--muted);padding:22px 0 26px}
.legal a{color:inherit}

/* article pages (SEO pages and blog) */
.crumbs{font-size:.85rem;color:var(--muted);padding-top:28px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.page-head{padding:clamp(40px,6vw,88px) 0 clamp(28px,4vw,48px);max-width:980px}
.page-head p.lede{font-size:1.25rem;color:var(--muted);margin-top:22px;max-width:720px;line-height:1.45}
.page-head .meta{margin-top:18px;font-size:.88rem;color:var(--muted)}
.prose{max-width:760px;font-size:1.08rem;line-height:1.7}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:clamp(1.8rem,1.2rem + 1.6vw,2.4rem);margin-top:2.2em;line-height:1.05}
.prose h3{margin-top:1.8em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.45em}
.prose a{text-underline-offset:3px}
.prose strong{font-weight:600}
.prose code{font:400 .92em ui-monospace,Menlo,monospace;background:var(--soft);padding:.12em .4em;border-radius:6px}
.prose pre{background:#151412;color:#E8E3DA;border-radius:16px;padding:20px 22px;overflow-x:auto;font:400 .92rem/1.8 ui-monospace,Menlo,monospace}
.prose pre code{background:none;padding:0;color:inherit}
.prose figure{margin-top:1.6em}
.prose figure img{display:block;border-radius:14px;filter:drop-shadow(0 12px 24px #0000001a)}
.prose figcaption{font-size:.88rem;color:var(--muted);margin-top:10px}
.prose blockquote{border-left:3px solid var(--ink);padding-left:18px;color:var(--muted)}
.table-wrap{overflow-x:auto;margin-top:1.4em;border-radius:var(--r-card);background:var(--surface);border:1px solid #0000000d}
table{border-collapse:collapse;width:100%;font-size:.98rem;min-width:560px}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:500;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
tr:last-child td{border-bottom:0}
td.us,th.us{background:#F3F0E8}
.note-box{background:var(--surface);border-radius:var(--r-card);padding:22px 24px;border:1px solid #0000000d}
.hedge{font-size:.85rem;color:var(--muted)}
.cta-band{background:#000;color:var(--canvas);border-radius:28px;padding:clamp(32px,5vw,64px);display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-top:clamp(56px,7vw,96px)}
.cta-band h2{font-size:clamp(2rem,1.2rem + 2.4vw,3rem)}
.cta-band p{color:#A39E95;margin-top:10px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.post-card{background:var(--surface);border-radius:var(--r-card);padding:28px;text-decoration:none;display:grid;gap:12px;align-content:start;border:1px solid #0000000d;transition:transform .2s ease}
.post-card:hover{transform:translateY(-2px)}
.post-card p{color:var(--muted);font-size:.98rem}
.toc{background:var(--surface);border-radius:var(--r-card);padding:22px 24px;border:1px solid #0000000d;font-size:.98rem}
.toc ol{padding-left:1.2em;margin-top:8px}
.faq details{border-top:1px solid var(--line);padding:22px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;font-size:1.22rem;letter-spacing:-.03em;font-weight:500;cursor:pointer;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin-top:10px;max-width:640px}
.article-grid{display:grid;grid-template-columns:minmax(0,760px) 1fr;gap:clamp(24px,5vw,80px);align-items:start}
.aside{position:sticky;top:110px;display:grid;gap:16px}

@media (max-width:900px){
  .nav-l a,.nav-r a.t{display:none}
  .menu-btn{display:block}
  .top.open .drawer{display:grid}
  .foot{grid-template-columns:1fr 1fr}
  .foot>div:first-child{grid-column:1/-1}
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .aside{position:static}
}
.drawer{display:none;gap:4px;padding:8px var(--pad) 18px;border-top:1px solid var(--line)}
.drawer a{text-decoration:none;font-size:1.15rem;padding:10px 0}
@media (min-width:901px){.drawer{display:none!important}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.faq-sec .faq{margin-top:28px}
.page-head .meta a{color:inherit}
.prose code{overflow-wrap:anywhere}
main{overflow-x:clip}