/* Public reading pages: shared paper/ink palette with the main landing. */
:root{--paper:#f6f2e8;--sheet:#fffdf7;--ink:#1e2130;--muted:#565c6e;--line:#c9cfdd;--accent:#5343e8;--desk:#eae4d6;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.7 system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--accent)}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.15;letter-spacing:-.035em;text-wrap:balance}h1{font-size:clamp(36px,5.3vw,68px);font-weight:850;max-width:15ch}h2{font-size:clamp(25px,3vw,36px)}h3{font-size:24px}p{margin-top:16px}img{max-width:100%}.wrap{max-width:1160px;margin:auto;padding:0 28px}.skip{position:fixed;left:16px;top:-100px;background:var(--ink);color:white;padding:12px;z-index:10}.skip:focus{top:10px}:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:3px}.site-header{border-bottom:1px solid var(--line);background:var(--paper)}.header-inner{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:23px;font-weight:850;letter-spacing:-.04em;text-decoration:none}.header-inner nav{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:600}.header-inner nav a{text-decoration:none;padding:10px 0}.header-inner nav .login{border:1px solid var(--ink);border-radius:6px;padding:9px 18px}.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:28px;font-size:13px;color:var(--muted)}.hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);gap:64px;align-items:center;padding:55px 0 78px;border-bottom:1px solid var(--line)}.eyebrow,.tag{display:block;font-size:11px;font-weight:750;letter-spacing:.13em;line-height:1.5}.eyebrow{margin:0 0 22px;color:var(--accent)}.intro{font-size:20px;line-height:1.6;max-width:58ch;color:var(--muted);margin:24px 0 28px}.button{display:inline-flex;justify-content:center;align-items:center;gap:20px;padding:15px 23px;background:var(--accent);color:white;border-radius:6px;font-weight:650;text-decoration:none;line-height:1.4;min-height:52px}.button:hover{background:var(--ink);color:white}.caption{font-size:13px;color:var(--muted);margin-top:13px;max-width:40ch}.notebook{position:relative;background:repeating-linear-gradient(transparent,transparent 31px,#c9cfdd66 31px,#c9cfdd66 32px),var(--sheet);border:1px solid var(--line);border-left:7px solid var(--accent);border-radius:3px 12px 12px 3px;padding:75px 28px 38px;transform:rotate(2deg);box-shadow:12px 15px 0 var(--desk)}.notebook-no{position:absolute;top:15px;right:22px;font-size:35px;line-height:1;color:var(--muted);font-weight:800;letter-spacing:-.08em}.notebook p{font-size:25px;font-weight:700;line-height:1.3;letter-spacing:-.03em;margin:9px 0 0}.notebook .tag{color:var(--muted)}.arrow{display:block;font-size:35px;color:var(--accent);margin:14px 0}.stamp{display:inline-block;border:3px solid var(--accent);color:var(--accent);border-radius:4px;font-size:23px;letter-spacing:.08em;font-weight:850;transform:rotate(-8deg);padding:3px 12px;margin:30px 0 0}.prose{max-width:760px;margin:0 auto}.prose-section{padding-top:50px}.prose p,.prose li{color:var(--muted)}.prose ul,.prose ol{padding-left:24px;margin:20px 0 0}.prose li{padding-left:7px;margin-top:12px}.prose li::marker{color:var(--accent);font-weight:700}.example{margin:30px 0 0;border:1px solid var(--line);border-radius:8px;background:var(--sheet);overflow:hidden}.example figcaption{padding:12px 23px;font-size:12px;color:var(--muted);background:var(--desk)}.example>div{padding:22px 23px}.example>div+div{border-top:1px solid var(--line)}.example .tag{color:var(--accent)}.example p{margin-top:8px}.limits{background:var(--desk);border-radius:8px;padding:28px;margin-top:45px}.limits h2{font-size:25px}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;font-weight:650;line-height:1.5;min-height:28px}details p{padding-right:20px}.cta{padding:45px;margin-top:64px;border:1px solid var(--line);background:var(--sheet);border-radius:8px}.cta p:not(.eyebrow){color:var(--muted);margin-bottom:24px}.related{padding:55px 0}.related+.related{padding-top:0}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:25px}.card{display:flex;flex-direction:column;align-items:flex-start;text-decoration:none;padding:25px;border:1px solid var(--line);border-radius:7px;min-width:0;transition:border-color .15s}.card:hover{border-color:var(--accent);color:var(--ink)}.card h3{margin-top:15px;font-size:24px}.card p{font-size:14px;line-height:1.65;color:var(--muted);margin-bottom:24px}.card .tag{color:var(--accent)}.card-link{margin-top:auto;font-size:14px;font-weight:650}.guide-hero{display:block;padding-bottom:48px}.guide-hero h1{max-width:21ch}.guide-hero .intro{max-width:64ch;margin-bottom:0}.site-footer{margin-top:30px;padding:40px 0;border-top:1px solid var(--line);background:var(--desk)}.site-footer p,.site-footer small{color:var(--muted)}.site-footer nav{display:flex;flex-wrap:wrap;gap:12px 25px;margin:22px 0;font-size:14px}.site-footer small{font-size:12px}
@media(max-width:850px){.hero{gap:32px;grid-template-columns:minmax(0,1.4fr) minmax(230px,1fr)}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.notebook{padding:65px 20px 30px}.notebook p{font-size:22px}}
@media(max-width:620px){body{font-size:16px}.wrap{padding:0 20px}.header-inner{min-height:72px;gap:12px}.brand{font-size:20px}.brand img{width:29px;height:29px}.header-inner nav{gap:14px;font-size:13px}.header-inner nav .login{padding:7px 10px}.header-inner nav>a[href="/#tarify"]{display:none}.breadcrumbs{font-size:12px;gap:7px;margin-top:22px}.hero{display:block;padding:35px 0 45px}.intro{font-size:18px;margin-top:20px}.notebook{margin:40px 8px 0 0;padding:62px 25px 30px}.notebook p{font-size:24px}.notebook .stamp{margin-top:22px}.cards{grid-template-columns:1fr}.cta{padding:28px 23px;margin-top:45px}.prose-section{padding-top:36px}.related{padding:40px 0}.button{font-size:15px;padding:15px 18px}.limits{padding:24px}.eyebrow{margin-bottom:16px}.card{padding:23px}.site-footer{padding:30px 0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}