:root{--navy:#071827;--ink:#142a38;--cyan:#39e3cf;--coral:#ff795e;--paper:#fcfbf8;--muted:#586571;--line:#d4dbde;--link:#006b61;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{overflow-wrap:anywhere;margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:1rem;line-height:1.65}a{color:var(--link);text-underline-offset:.2em}a:hover{text-decoration-thickness:2px}img{display:block;width:100%;height:auto}figure{margin:0}p,h1,h2,h3{margin-top:0}h1,h2,h3{line-height:1.16;letter-spacing:-.025em;overflow-wrap:anywhere}h1{font-size:clamp(2.4rem,4vw,3.8rem);margin-bottom:26px}h2{font-size:clamp(1.65rem,2.6vw,2.3rem)}h3{font-size:1.35rem}summary{font:inherit}.wrap{width:min(1240px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;top:-150px;left:16px;background:var(--cyan);color:var(--navy);padding:12px 20px;z-index:30}.skip:focus{top:12px}:focus-visible{outline:3px solid var(--coral);outline-offset:4px}header{background:var(--navy);color:white}.masthead{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding:24px 0}.brand{display:block;font-size:1.9rem;line-height:1.15;font-weight:800;letter-spacing:-.05em;text-decoration:none;color:white;max-width:100%;overflow-wrap:anywhere}.brand em{display:inline-block;vertical-align:middle;color:var(--navy);background:var(--cyan);font-size:1.1rem;font-style:normal;padding:2px 7px;letter-spacing:-.025em}.brand span{display:block;font-size:.875rem;font-weight:400;letter-spacing:.15em;line-height:1.4;margin-top:7px}.desktop-nav{display:flex;flex-wrap:wrap;gap:26px}.desktop-nav a{color:white;text-decoration:none;font-size:.95rem}.desktop-nav a[aria-current]{color:var(--cyan);text-decoration:underline}.mobile-nav{display:none}.feature{padding-top:34px}.feature-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);background:var(--navy);color:white;overflow:hidden;border-radius:14px}.feature-image img{height:100%;object-fit:cover;object-position:center;min-height:500px}.feature-copy{padding:42px;align-self:center;min-width:0}.eyebrow{font-size:.875rem;letter-spacing:.13em;font-weight:700;margin-bottom:20px;color:var(--link)}.feature-copy .eyebrow{color:var(--cyan)}.intro{font-size:1.125rem;line-height:1.7;margin-bottom:26px}.feature-copy .intro{color:#d0dce4}.button{display:inline-block;padding:12px 18px;background:var(--cyan);color:var(--navy);font-size:1rem;font-weight:700;text-decoration:none;border-radius:5px;max-width:100%}.button.secondary{background:var(--navy);color:white}.feature-caption{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:12px 0;color:var(--muted);font-size:.875rem}.guides{padding:46px 0 58px}.section-heading{margin-bottom:28px}.section-heading .eyebrow{margin-bottom:10px}.section-heading h2{margin-bottom:0}.guide-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.guide{color:var(--ink);text-decoration:none;display:flex;flex-direction:column;background:white;border:1px solid var(--line);border-radius:10px;overflow:hidden;min-width:0}.guide-image img{aspect-ratio:1.6;object-fit:cover}.guide-body{padding:22px;display:flex;flex-direction:column;flex:1}.file-no{font-size:.875rem;font-weight:700;color:var(--link);letter-spacing:.06em;margin-bottom:12px}.guide h3{margin-bottom:14px}.guide p{font-size:1rem;color:var(--muted);margin-bottom:22px}.read-link{margin-top:auto;font-size:.875rem;text-decoration:underline;font-weight:700}.guide:hover{border-color:var(--link)}.document-focus{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:52px;border-block:1px solid var(--line);padding-block:40px}.document-focus figure img{border-radius:10px;aspect-ratio:1.8;object-fit:cover}.document-focus h2{font-size:clamp(2rem,3.1vw,2.9rem)}.document-focus p{max-width:500px}.document-focus .eyebrow{color:var(--link)}figcaption{font-size:.875rem;line-height:1.5;color:var(--muted);padding-top:10px}.breadcrumb{display:flex;gap:12px;flex-wrap:wrap;font-size:.875rem;padding-top:22px}.article-lead{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:52px;align-items:center;padding-bottom:42px;border-bottom:1px solid var(--line)}.article-lead .intro{margin-bottom:0}.article-lead figure img{border-radius:10px;aspect-ratio:1.5;object-fit:cover}.article-lead h1{font-size:clamp(2.3rem,3.7vw,3.4rem)}.reading{padding:48px 0 64px}.reading-top{border-bottom:2px solid var(--ink);display:flex;justify-content:space-between;gap:20px;font-size:.875rem;color:var(--muted);flex-wrap:wrap;margin-bottom:40px}.reading-top p{margin-bottom:14px}.reading-layout{display:grid;grid-template-columns:minmax(0,740px) minmax(0,270px);gap:80px;justify-content:space-between}.toc{grid-column:2;grid-row:1;align-self:start;min-width:0;background:#eef4f3;border-radius:10px;padding:24px}.toc .eyebrow{margin-bottom:10px}.toc nav{display:grid}.toc a{font-size:.95rem;line-height:1.45;padding:12px 0;border-bottom:1px solid #cadad7;text-decoration:none;color:var(--ink)}.toc a:last-child{border:0}.toc a:hover{color:var(--link);text-decoration:underline}.prose{grid-column:1;grid-row:1;font-family:Georgia,'Times New Roman',serif;font-size:1.125rem;line-height:1.85;min-width:0}.prose section{scroll-margin-top:24px;margin-bottom:48px}.prose section>h2{font-family:Arial,Helvetica,sans-serif;font-size:1.8rem;line-height:1.3;letter-spacing:-.02em;margin-bottom:24px}.prose p{margin-bottom:22px;overflow-wrap:anywhere}.prose ul{padding-left:1.4rem}.prose li{padding-bottom:12px;overflow-wrap:anywhere}.table-wrap{max-width:100%;overflow-x:auto;margin:28px 0;font-family:Arial,Helvetica,sans-serif}.table-wrap table{width:100%;min-width:560px;border-collapse:collapse;text-align:left;font-size:.95rem;line-height:1.65}.table-wrap caption{text-align:left;font-size:.875rem;color:var(--muted);padding-bottom:14px;font-weight:700}.table-wrap th,.table-wrap td{vertical-align:top;padding:14px 12px;border-bottom:1px solid var(--line)}.table-wrap th{background:var(--navy);color:white}.table-wrap tbody tr:nth-child(even){background:#f0f5f3}.faq{border-bottom:1px solid var(--line);font-family:Arial,Helvetica,sans-serif}.faq:first-of-type{border-top:2px solid var(--ink)}.faq summary{padding:18px 0;line-height:1.5;font-size:1rem;font-weight:700;cursor:pointer}.faq[open] summary{color:var(--link)}.faq p{font-size:1rem;line-height:1.8;margin:0 0 20px}.source-box{border-left:4px solid var(--link);padding:24px 28px;background:#eef4f3;font-family:Arial,Helvetica,sans-serif}.source-box p,.source-box li{font-size:.95rem;line-height:1.7}.source-box p:last-child{margin-bottom:0}.related{padding-bottom:62px}.related h2{font-size:1.5rem}.related nav{display:flex;flex-wrap:wrap;gap:18px}.related a{color:var(--ink);padding:12px 18px;border:1px solid var(--line);background:white;border-radius:5px;max-width:100%;overflow-wrap:anywhere}footer{background:var(--navy);color:#d0dce4;padding:48px 0}.footer-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);gap:48px}.footer-grid>*{min-width:0;overflow-wrap:anywhere}footer a{color:var(--cyan)}footer p{font-size:.95rem;margin-top:22px}footer nav{display:grid;align-content:start;gap:12px}footer nav a{font-size:.95rem;text-decoration:none}@media(max-width:1100px){.desktop-nav{gap:16px}.feature-copy{padding:28px}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-layout{gap:40px;grid-template-columns:minmax(0,1fr) minmax(0,240px)}}@media(max-width:850px){.wrap{width:calc(100% - 40px)}.desktop-nav{display:none}.mobile-nav{display:block;margin-left:auto;position:relative;max-width:100%}.mobile-nav summary{padding:8px 14px;border:1px solid #9fbbc5;font-size:1rem;cursor:pointer}.mobile-nav nav{position:absolute;right:0;top:calc(100% + 10px);z-index:10;background:var(--paper);border:2px solid var(--ink);padding:16px;width:min(270px,calc(100vw - 40px));display:grid;gap:14px}.mobile-nav a{color:var(--ink);font-size:1rem}.feature-layout{display:flex;flex-direction:column-reverse}.feature-image img{min-height:0;aspect-ratio:1.8;height:auto}.feature-copy{padding:30px}.feature-copy h1{font-size:2.65rem}.intro{font-size:1.0625rem}.document-focus{grid-template-columns:minmax(0,1fr);gap:26px}.article-lead{grid-template-columns:minmax(0,1fr);gap:28px}.article-lead h1{font-size:2.6rem}.article-lead figure img{aspect-ratio:1.8}.reading-layout{grid-template-columns:minmax(0,1fr);gap:34px}.toc{grid-column:1;grid-row:1;padding:20px}.toc nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 22px}.prose{grid-column:1;grid-row:2;font-size:1.0625rem}.footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}.reading{padding-top:34px}.feature{padding-top:24px}.masthead{gap:16px}}@media(max-width:480px){.wrap{width:calc(100% - 32px)}.brand{font-size:1.65rem}.feature-copy{padding:24px}.feature-copy h1{font-size:2.3rem}.feature-copy .intro{font-size:1rem}.guide-grid{grid-template-columns:minmax(0,1fr);gap:22px}.guide{display:grid;grid-template-columns:minmax(0,1fr)}.guide-image img{aspect-ratio:2}.guide-body{padding:22px}.article-lead h1{font-size:2.25rem}.prose{font-size:1rem}.prose section>h2{font-size:1.5rem}.toc nav{grid-template-columns:minmax(0,1fr)}.source-box{padding:20px}.feature-caption{gap:6px}.mobile-nav nav{width:min(270px,calc(100vw - 32px))}.reading-top{gap:0}.reading-top p{width:100%}.related nav{gap:12px}.button{padding:12px 16px}.document-focus{padding-block:30px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}