/* Federal TS PIOT pages: isolated, no external font or icon downloads. */
:root{--bg:#f3f5f7;--ink:#20262e;--muted:#68727d;--line:#dfe6ec;--green:#13a05f;--green-dark:#087146;--yellow:#fff319}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 Arial,sans-serif}body:before{content:"";position:fixed;inset:0;z-index:-1;background-image:linear-gradient(90deg,#13a05f0c 1px,transparent 1px),linear-gradient(#13a05f0c 1px,transparent 1px);background-size:48px 48px}a{color:var(--green-dark);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid #165dba;outline-offset:4px}.skip{position:absolute;left:12px;top:-80px;z-index:30;background:white;padding:12px}.skip:focus{top:12px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px clamp(18px,4vw,56px);background:#fff;border-bottom:1px solid var(--line)}.brand img{display:block;width:185px;height:45px;object-fit:contain}.site-nav{display:flex;flex-wrap:wrap;gap:20px}.site-nav a{color:var(--ink);font-size:14px;font-weight:700;text-decoration:none}.header-action{font-weight:700;white-space:nowrap}.piot-page{max-width:1240px;margin:auto;padding:28px 28px 70px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;font-size:14px;color:var(--muted);margin-bottom:30px}.piot-hero{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:48px;align-items:start;padding:18px 0 48px}h1{font-size:clamp(36px,4.7vw,62px);line-height:1.09;letter-spacing:-.04em;margin:12px 0 22px;max-width:850px}h2{font-size:clamp(26px,3vw,36px);line-height:1.2;letter-spacing:-.025em;margin:0 0 20px}h3{font-size:19px;line-height:1.35;margin:0 0 8px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.11em;color:var(--green-dark);text-transform:uppercase}.eyebrow:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:9px}.lead{font-size:20px;color:#53616d;line-height:1.6}.meta{font-size:13px;color:var(--muted);margin-top:20px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:13px 19px;font-weight:700;text-decoration:none;min-height:48px}.button--primary{background:var(--green);color:white}.button--secondary{background:white;color:var(--ink);border:1px solid var(--line)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.piot-summary{background:#fff;border:1px solid var(--line);border-top:4px solid var(--yellow);border-radius:16px;padding:25px;box-shadow:0 16px 36px #232b5210}.piot-summary p{color:#53616d}.piot-summary ol{padding-left:22px}.piot-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px}.piot-toc{position:sticky;top:20px;align-self:start;display:grid;gap:10px;padding:20px;background:#ffffffd9;border:1px solid var(--line);border-radius:12px;font-size:13px}.piot-toc a{text-decoration:none}.piot-content{min-width:0}.piot-content section{margin-bottom:56px;scroll-margin-top:24px}.piot-content p,.piot-content li{color:#52616b}.piot-content strong{color:var(--ink)}.piot-content li+li{margin-top:9px}.piot-table{overflow-x:auto;margin:24px 0;background:#fff;border:1px solid var(--line);border-radius:12px}.piot-table table{width:100%;border-collapse:collapse;font-size:15px}.piot-table th{background:#eaf8f0;text-align:left;color:#18202a}.piot-table td,.piot-table th{padding:16px;vertical-align:top;min-width:155px}.piot-table td{border-top:1px solid var(--line);color:#52616b}.piot-steps{padding-left:26px}.piot-steps li{padding:20px;margin-bottom:12px;background:#fff;border:1px solid var(--line);border-radius:12px}.piot-steps li::marker{font-weight:800;color:var(--green-dark)}.piot-steps p{margin-bottom:0}.faq{display:grid;gap:12px}.faq details{background:white;border:1px solid var(--line);border-radius:12px;padding:18px 20px}.faq summary{cursor:pointer;font-weight:700;line-height:1.45}.faq p{margin-bottom:0}.piot-cta{background:#eaf8f0;border:1px solid #bce4cd;border-radius:18px;padding:30px}.piot-related{display:grid;grid-template-columns:1fr 1fr;gap:12px}.piot-related a{background:white;border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;font-weight:700}.sources{font-size:14px}.site-footer{border-top:1px solid var(--line);background:white;padding:28px clamp(18px,4vw,56px);display:flex;flex-wrap:wrap;gap:20px;font-size:14px}.site-footer strong{color:var(--ink)}@media(max-width:950px){.piot-hero{grid-template-columns:1fr;gap:20px}.piot-layout{grid-template-columns:1fr;gap:24px}.piot-toc{position:static}.piot-summary{max-width:100%}.site-header{flex-wrap:wrap}.site-nav{order:3;width:100%;gap:16px}}@media(max-width:560px){.piot-page{padding:22px 18px 45px}h1{font-size:36px}.lead{font-size:18px}.brand img{width:154px;height:38px}.header-action{font-size:14px}.site-header{gap:12px}.site-nav{display:grid;grid-template-columns:1fr 1fr}.piot-related{grid-template-columns:1fr}.actions .button{width:100%}.piot-cta{padding:22px}.piot-content section{margin-bottom:42px}.piot-table td,.piot-table th{padding:12px;min-width:140px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}