/* Caulfield Kinder Books — lightweight, mobile-first */
:root{--bg:#0b1220;--paper:#0f1a33;--card:#0e1a2e;--text:#eaf0ff;--muted:#b9c6e6;--brand:#79d3c9;--brand2:#b9f27a;--line:rgba(255,255,255,.12);--shadow:0 14px 40px rgba(0,0,0,.35);--radius:18px;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:radial-gradient(1200px 700px at 15% -10%,rgba(121,211,201,.22),transparent 60%),radial-gradient(900px 600px at 95% 10%,rgba(185,242,122,.18),transparent 58%),linear-gradient(180deg,#070b14, #0b1220 45%, #071022);text-rendering:optimizeLegibility}
a{color:inherit}a:hover{color:var(--brand)}img{max-width:100%;height:auto;display:block}
.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:16px;top:12px;width:auto;height:auto;background:#fff;color:#000;padding:10px 12px;border-radius:12px;z-index:9999}
.wrap{max-width:var(--max);margin:0 auto;padding:0 18px}
.topbar{position:sticky;top:0;z-index:50;background:rgba(7,11,20,.68);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:36px;height:36px;border-radius:10px;box-shadow:0 10px 24px rgba(0,0,0,.28)}
.brand b{letter-spacing:.2px}
.menu{display:flex;gap:14px;align-items:center}
.menu a{font-size:14px;opacity:.92;text-decoration:none;padding:8px 10px;border-radius:12px}
.menu a[aria-current="page"],.menu a.active{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10)}
.toggle{display:none;appearance:none;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:var(--text);border-radius:14px;padding:10px 12px;line-height:1;cursor:pointer}
.hero{padding:54px 0 28px}
.heroGrid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);padding:8px 12px;border:1px solid rgba(255,255,255,.14);border-radius:999px;background:rgba(255,255,255,.05)}
.kdot{width:10px;height:10px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand2))}
h1{font-size:44px;line-height:1.07;margin:14px 0 12px;letter-spacing:-.6px}
.lead{color:var(--muted);font-size:18px;margin:0 0 18px;max-width:58ch}
.ctaRow{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 14px;border-radius:14px;text-decoration:none;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:var(--text);box-shadow:0 10px 30px rgba(0,0,0,.25);transition:transform .18s ease,background .18s ease,border-color .18s ease}
.btn:hover{transform:translateY(-1px);background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.25)}
.btn.primary{background:linear-gradient(135deg,rgba(121,211,201,.95),rgba(185,242,122,.9));border-color:transparent;color:#051018}
.btn.primary:hover{filter:saturate(1.02) brightness(1.02)}
.meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;color:var(--muted);font-size:14px}
.meta span{display:inline-flex;gap:8px;align-items:center}
.heroCard{border:1px solid rgba(255,255,255,.12);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.heroCard .ph{aspect-ratio:4/3;position:relative}
.heroCard .ph img{width:100%;height:100%;object-fit:cover}
.heroCard .cap{padding:14px 14px 16px}
.cap b{display:block}
.cap small{color:var(--muted)}
.section{padding:48px 0;border-top:1px solid rgba(255,255,255,.08)}
.sectionHead{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px}
.sectionHead h2{font-size:28px;margin:0;letter-spacing:-.2px}
.sectionHead p{margin:0;color:var(--muted);max-width:60ch}
.banner{border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);overflow:hidden;background:rgba(255,255,255,.04);box-shadow:var(--shadow);margin:14px 0 18px}
.banner img{width:100%;height:min(280px,40vw);object-fit:cover}
.grid{display:grid;gap:14px}
.grid.cols3{grid-template-columns:repeat(3,1fr)}
.grid.cols2{grid-template-columns:repeat(2,1fr)}
.card{border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);background:rgba(255,255,255,.04);padding:16px;box-shadow:0 10px 28px rgba(0,0,0,.22)}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.pill{display:inline-flex;gap:8px;align-items:center;padding:8px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);font-size:13px;color:var(--muted)}
.list{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.quote{display:grid;gap:12px}
.quote blockquote{margin:0;padding:16px;border-left:3px solid rgba(121,211,201,.9);background:rgba(121,211,201,.08);border-radius:0 var(--radius) var(--radius) 0}
.quote cite{color:var(--muted);font-style:normal}
.faq{display:grid;gap:10px}
.faq details{border:1px solid rgba(255,255,255,.12);border-radius:16px;background:rgba(255,255,255,.04);padding:12px 14px}
.faq summary{cursor:pointer;list-style:none;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq details p{margin:10px 0 0;color:var(--muted)}
.footer{padding:34px 0 44px;border-top:1px solid rgba(255,255,255,.10)}
.footGrid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
.mini{color:var(--muted);font-size:14px}
.links{display:flex;gap:10px;flex-wrap:wrap}
.links a{color:var(--muted);text-decoration:none;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);padding:8px 10px;border-radius:999px}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:16px;z-index:60;max-width:min(560px,92vw);background:rgba(255,255,255,.92);color:#061021;padding:12px 14px;border-radius:14px;box-shadow:0 16px 42px rgba(0,0,0,.4);display:none}
.toast.show{display:block;animation:up .22s ease}
@keyframes up{from{transform:translateX(-50%) translateY(10px);opacity:0}to{transform:translateX(-50%) translateY(0);opacity:1}}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.reveal{opacity:0;transform:translateY(10px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}
@media (max-width:940px){.heroGrid{grid-template-columns:1fr}.footGrid{grid-template-columns:1fr}.grid.cols3{grid-template-columns:1fr}.grid.cols2{grid-template-columns:1fr}.menu{display:none;position:absolute;right:18px;top:58px;flex-direction:column;align-items:stretch;gap:8px;padding:12px;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:rgba(7,11,20,.92);backdrop-filter:blur(12px);min-width:260px}.menu.show{display:flex}.toggle{display:inline-flex}h1{font-size:36px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.reveal{transition:none}.toast.show{animation:none}}