/* Pyralink Prove It: Secure AI Toolkit. Shared by /newsletter/toolkit and every toolkit page. Print styles at the end. */
.tk{--navy:#001F5B;--blue:#0284c7;--mid:#00509d;--dark:#001438;--line:rgba(0,31,91,.14);--muted:rgba(0,31,91,.74);color:var(--navy);font-family:'Plus Jakarta Sans','Inter',system-ui,sans-serif;background:#fff}
.tk *{box-sizing:border-box}
.tk-wrap{max-width:72rem;margin:0 auto;padding:0 1.5rem}
.tk-hero{position:relative;background:linear-gradient(180deg,#f7f7f4 0%,#fff 100%);padding:2.5rem 0 2rem;border-bottom:1px solid var(--line)}
.tk-hero::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,#001F5B 0,#001F5B 18%,#0284c7 18%,#0284c7 26%,transparent 26%)}
.tk-crumbs{font-size:.84rem;color:var(--muted);margin:0 0 1.25rem}
.tk-crumbs a{color:var(--mid);text-decoration:underline;text-underline-offset:2px}
.tk-eyebrow{display:flex;align-items:center;gap:.75rem;font-family:'JetBrains Mono',ui-monospace,monospace;font-size:.76rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:0 0 1rem}
.tk-eyebrow::before{content:"";width:2.25rem;height:2px;background:var(--blue)}
.tk h1{font-size:clamp(1.9rem,4.2vw,2.9rem);line-height:1.08;letter-spacing:-.03em;font-weight:800;color:var(--navy);margin:0 0 1rem;max-width:46rem}
.tk-lede{font-size:1.1rem;line-height:1.6;color:var(--muted);max-width:44rem;margin:0 0 1rem}
.tk-meta{font-size:.88rem;color:var(--muted);margin:0 0 1.4rem}
.tk-meta strong{color:var(--navy)}
.tk-actions{display:flex;flex-wrap:wrap;gap:.7rem}
.tk-btn{display:inline-flex;align-items:center;gap:.5rem;font:600 .92rem/1 'Plus Jakarta Sans','Inter',system-ui,sans-serif;padding:.8rem 1.15rem;border-radius:10px;border:1px solid var(--navy);background:var(--navy);color:#fff;cursor:pointer;text-decoration:none}
.tk-btn:hover{background:var(--dark)}
.tk-btn.tk-ghost{background:#fff;color:var(--navy)}
.tk-btn.tk-ghost:hover{background:#f0f9ff;border-color:var(--blue)}
.tk-btn:focus-visible,.tk a:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.tk-layout{display:grid;grid-template-columns:15rem minmax(0,1fr);gap:3rem;padding:2.5rem 0 4rem;align-items:start}
.tk-toc{position:sticky;top:1.25rem;font-size:.88rem;border-left:2px solid var(--line);padding-left:1rem}
.tk-toc p{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:0 0 .7rem;font-weight:600}
.tk-toc ol{list-style:none;margin:0;padding:0}
.tk-toc li{margin:0 0 .45rem;line-height:1.4}
.tk-toc a{color:var(--muted);text-decoration:none}
.tk-toc a:hover{color:var(--navy);text-decoration:underline}
.tk-body{min-width:0;max-width:50rem;font-size:1.02rem;line-height:1.7}
.tk-body>*:first-child{margin-top:0}
.tk-body h2{font-size:1.5rem;letter-spacing:-.02em;font-weight:800;margin:2.6rem 0 .8rem;padding-top:1.6rem;border-top:1px solid var(--line);color:var(--navy);scroll-margin-top:1rem}
.tk-body h2:first-child{border-top:0;padding-top:0;margin-top:0}
.tk-body h3{font-size:1.15rem;margin:1.8rem 0 .5rem;color:var(--navy)}
.tk-body h4{font-size:1.02rem;margin:1.4rem 0 .4rem;color:var(--navy)}
.tk-body p{margin:0 0 1rem;color:#0a2559}
.tk-body ul,.tk-body ol{margin:0 0 1.2rem;padding-left:1.4rem;color:#0a2559}
.tk-body li{margin:0 0 .45rem}
.tk-body a{color:var(--mid);text-decoration:underline;text-underline-offset:2px}
.tk-body a:hover{color:var(--navy)}
.tk-body blockquote{margin:0 0 1.25rem;padding:.9rem 1.15rem;background:#f0f9ff;border-left:4px solid var(--blue);border-radius:0 10px 10px 0}
.tk-body blockquote p{margin:0;color:var(--navy)}
.tk-body code{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:.88em;background:#f1f4f9;padding:.1em .35em;border-radius:5px}
.tk-body hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
.tk-tablewrap{overflow-x:auto;margin:0 0 1.4rem;border:1px solid var(--line);border-radius:12px;-webkit-overflow-scrolling:touch}
.tk-body table{border-collapse:collapse;width:100%;min-width:46rem;font-size:.9rem;line-height:1.5}
.tk-body th{background:#f7f7f4;text-align:left;font-weight:700;color:var(--navy);padding:.7rem .8rem;border-bottom:2px solid var(--line);vertical-align:bottom}
.tk-body td{padding:.7rem .8rem;border-bottom:1px solid var(--line);vertical-align:top;color:#0a2559}
.tk-body tr:last-child td{border-bottom:0}
.tk-body th:first-child,.tk-body td:first-child{min-width:8.5rem}
.tk-body ul:has(>li.tk-check){list-style:none;padding-left:0}
.tk-check label{display:flex;gap:.7rem;align-items:flex-start;cursor:pointer}
.tk-check input{flex:none;width:1.15rem;height:1.15rem;margin-top:.3rem;accent-color:var(--blue)}
.tk-template{border:1px solid var(--line);border-top:3px solid var(--navy);border-radius:14px;padding:1.5rem 1.75rem;background:#fffefb;box-shadow:0 24px 60px -36px rgba(0,31,91,.3);margin:0 0 1.5rem}
.tk-template:focus{outline:3px solid rgba(2,132,199,.45);outline-offset:3px}
.tk-template h3{font-size:1.5rem;margin-top:0}
.tk-template h4{font-size:1.08rem}
.tk-tmplbar{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center;margin:0 0 .8rem}
.tk-tmplbar span{font-size:.86rem;color:var(--muted)}
.tk-cta{margin:3rem 0 0;padding:1.5rem;border:1px solid var(--line);border-radius:14px;background:#f7f7f4}
.tk-cta h2{border:0;padding:0;margin:0 0 .4rem;font-size:1.2rem}
.tk-cta p{margin:0 0 1rem;color:var(--muted)}
.tk-related{margin:2.5rem 0 0}
.tk-related h2{font-size:1.2rem}
.tk-related ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1rem}
.tk-related li{margin:0}
.tk-related a{display:block;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--navy);font-weight:700;background:#fff}
.tk-related a small{display:block;font-weight:500;color:var(--muted);margin-top:.25rem;line-height:1.45}
.tk-related a:hover{border-color:var(--blue);background:#f0f9ff}
.tk-printhead{display:none}
/* toolkit index */
.tk-sec{padding:3.5rem 0}
.tk-sec.tk-alt{background:#f7f7f4}
.tk-h2{font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.025em;font-weight:800;margin:0 0 .5rem;color:var(--navy)}
.tk-sub{font-size:1.03rem;line-height:1.6;color:var(--muted);max-width:42rem;margin:0 0 1.75rem}
.tk-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}
.tk-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);border-radius:14px;padding:1.35rem}
.tk-card b{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);font-weight:600;margin:0 0 .6rem}
.tk-card h3{font-size:1.1rem;margin:0 0 .5rem;letter-spacing:-.01em;line-height:1.3}
.tk-card h3 a{color:var(--navy);text-decoration:none}
.tk-card h3 a:hover{text-decoration:underline}
.tk-card p{font-size:.92rem;line-height:1.55;color:var(--muted);margin:0 0 1rem;flex:1}
.tk-card .tk-links{display:flex;flex-wrap:wrap;gap:.9rem;font-size:.86rem;font-weight:600}
.tk-card .tk-links a{color:var(--mid);text-decoration:underline;text-underline-offset:2px}
.tk-srcs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem 2rem;padding:0;margin:0;list-style:none}
.tk-srcs li{font-size:.95rem;line-height:1.5;color:var(--muted)}
.tk-srcs a{color:var(--mid);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.tk-note{font-size:.95rem;line-height:1.6;color:var(--muted);max-width:46rem}
.tk-note a{color:var(--mid);text-decoration:underline;text-underline-offset:2px}
@media (max-width:960px){.tk-layout{grid-template-columns:1fr;gap:1.5rem}.tk-toc{position:static;border-left:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:.9rem 0}.tk-toc ol{columns:2}.tk-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.tk-wrap{padding:0 1.1rem}.tk-grid,.tk-srcs{grid-template-columns:1fr}.tk-toc ol{columns:1}.tk-template{padding:1.1rem 1rem}.tk-hero{padding:1.75rem 0 1.5rem}.tk-btn{width:100%;justify-content:center}.tk-sec{padding:2.5rem 0}}
/* print */
@media print{
@page{margin:16mm}
.utility-bar,.site-header,.mobile-menu-drawer,.site-footer,.skip-link,.tk-actions,.tk-toc,.tk-cta,.tk-crumbs,.tk-related,.tk-tmplbar,.tk-noprint{display:none!important}
html,body{background:#fff!important}
.tk{color:#000;font-size:10.5pt}
.tk-hero{background:none;padding:0 0 .6rem;border:0}
.tk-hero::before{display:none}
.tk-wrap{max-width:none;padding:0}
.tk-layout{display:block;padding:0}
.tk h1{font-size:20pt;color:#000}
.tk-lede,.tk-meta,.tk-body p,.tk-body li,.tk-body td{color:#000}
.tk-printhead{display:block;font-size:9pt;color:#333;border-bottom:1px solid #999;padding-bottom:.4rem;margin-bottom:.8rem}
.tk-body{max-width:none;font-size:10.5pt;line-height:1.5}
.tk-body a{color:#000}
.tk-body h2{page-break-after:avoid;break-after:avoid;font-size:14pt;color:#000;margin-top:1.4rem;padding-top:.8rem}
.tk-body h3,.tk-body h4{page-break-after:avoid;break-after:avoid;color:#000}
.tk-body li,.tk-body tr{page-break-inside:avoid;break-inside:avoid}
.tk-body blockquote{background:#fff;border:1px solid #999;border-left:4px solid #000}
.tk-tablewrap{overflow:visible;border:0}.tk-body table{min-width:0}.tk-body th:first-child,.tk-body td:first-child{min-width:0}
.tk-body table{min-width:0;font-size:9pt}
.tk-body th{background:#eee!important;color:#000}
.tk-template{border:1px solid #999;box-shadow:none;padding:0;border-top:0;background:#fff}
.tk-sources a[href^="http"]::after{content:" (" attr(href) ")";font-size:8.5pt;word-break:break-all}
.tk-check input{accent-color:#000}
}
.tk-toc-az ol{display:flex;flex-wrap:wrap;gap:.3rem .5rem}
.tk-toc-az li{margin:0}
.tk-toc-az a{display:inline-block;min-width:1.7rem;text-align:center;padding:.15rem .3rem;border:1px solid var(--line);border-radius:6px;font-weight:600}