:root{--primary:#FF7043;--dark:#25221f;--muted:#66625d;--line:#dfddd6;--bg:#FAFAF8}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--dark);line-height:1.75;background:var(--bg)}a{color:#a33d1e;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}.wrap{max-width:1160px;margin:auto;padding:0 32px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}.logo{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:800;letter-spacing:-.8px;text-decoration:none;color:var(--dark)}.logo img{border-radius:10px}nav{display:flex;gap:24px}nav a{font-size:14px;text-decoration:none;color:var(--dark)}nav a[aria-current]{font-weight:750;text-decoration:underline;text-decoration-color:var(--primary);text-decoration-thickness:2px}.eyebrow{font-size:11px;letter-spacing:1.7px;font-weight:750;color:var(--muted);margin:0 0 20px}.page-heading{padding:76px 0 52px;max-width:850px}h1{font-size:clamp(36px,5vw,62px);letter-spacing:-2px;line-height:1.1;font-weight:750;margin:0 0 28px}h2{font-size:26px;line-height:1.25;letter-spacing:-.7px}.intro{font-size:19px;line-height:1.7;color:var(--muted);max-width:680px}.faq{max-width:850px;margin-bottom:56px}details{border-top:1px solid var(--line)}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:19px;font-weight:650;padding:24px 12px 24px 4px}summary::marker{color:#a33d1e}details[open]{background:#fff7f1}details>div{padding:0 24px 20px;max-width:760px}details p{margin:0;color:var(--muted)}summary:focus-visible{outline:3px solid var(--dark);outline-offset:3px}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;padding:0 0 54px}.guide-card{border-top:3px solid var(--primary);padding:28px 0;display:flex;flex-direction:column}.guide-card h2{margin:0 0 16px}.guide-card h2 a{color:var(--dark);text-decoration:none}.guide-card h2 a:hover{text-decoration:underline}.guide-card>p:not(.eyebrow){color:var(--muted);margin:0 0 24px}.read{margin-top:auto;font-size:14px;font-weight:650}.read span{margin-left:12px}.reading{max-width:740px;margin:0 auto;padding:44px 0 80px}.back{display:inline-block;font-size:14px;margin-bottom:36px}.reading h1{font-size:clamp(36px,4.5vw,54px)}.reading h2{margin-top:40px}.reading p{font-size:17px}.reading .intro{font-size:20px}aside{background:#fff2e9;border-left:3px solid var(--primary);padding:22px 26px;margin:32px 0}aside p{margin:8px 0}.end-note{max-width:850px;margin-bottom:72px}.end-note h2{margin:0 0 12px}.btn{display:inline-block;border-radius:18px;padding:14px 23px;font-size:14px;font-weight:750;text-decoration:none;margin-top:14px}.article-next{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid var(--line);margin-top:44px;padding-top:20px}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;padding:26px 0 40px;font-size:13px;color:var(--muted)}.skip{position:absolute;left:20px;top:-100px;background:#fff;padding:10px;z-index:10}.skip:focus{top:12px}@media(max-width:760px){.wrap{padding:0 22px}.page-heading{padding:46px 0 28px}h1{letter-spacing:-1.4px}.guide-grid{grid-template-columns:1fr;gap:0}.guide-card{padding:26px 0 32px}.guide-card h2{max-width:460px}.intro{font-size:17px}summary{font-size:17px}.reading{padding-top:28px}.article-next{align-items:flex-start;flex-direction:column}.article-next .btn{margin-top:0}aside{padding:18px 20px}header{flex-wrap:wrap}nav{gap:22px}}
/* Shared notebook finish for FAQ and guides. */
:root{--bg:#FFF8EF;--dark:#2B2118;--muted:#6C6259;--line:#E7DACB}
.guide-card{background:#FFFDFA;border:1px solid #E7DACB;border-top:4px solid #FF7043;border-radius:22px;padding:26px;box-shadow:0 5px 0 #E9DDCC}
.faq details{background:#FFFDFA;border:1px solid #E7DACB;border-radius:18px;margin:12px 0;padding:0 14px;box-shadow:0 3px 0 #E9DDCC}
.faq details[open]{background:#FFF0E3}.faq details>div{padding-inline:8px}aside{border-radius:0 20px 20px 0;background:#F6E9DB}