@charset "UTF-8";
:root{--ink:#102d3a;--muted:#4f6570;--blue:#174d66;--pale:#eff5f5;--line:#d6e2e5;--lime:#dbf17b;--white:#fff;--radius:16px;--max:1180px;font-family:Arial,"Helvetica Neue",sans-serif;color:var(--ink);background:#fff;font-synthesis:none;text-rendering:optimizeLegibility}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;font-size:16px;line-height:1.65}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--blue)}a:focus-visible,summary:focus-visible{outline:3px solid #17688e;outline-offset:5px}img,svg{max-width:100%;height:auto}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.12;letter-spacing:-.045em}h1{font-size:clamp(2.5rem,5.35vw,4.9rem);font-weight:700}h2{font-size:clamp(1.85rem,3vw,2.65rem)}h3{font-size:1.45rem}p+p{margin-top:1em}.wrap{max-width:var(--max);margin:auto;width:calc(100% - 64px)}.skip{position:absolute;top:-100px;left:20px;z-index:20;background:var(--lime);padding:10px 20px}.skip:focus{top:10px}.site-header{border-bottom:1px solid var(--line)}.header-inner{min-height:102px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}.brand-mark{display:grid;place-items:center;width:43px;height:43px;background:var(--ink);color:var(--lime);font-size:20px;letter-spacing:-2px;font-weight:700;border-radius:7px}.brand-name{font-size:23px;line-height:1.15;letter-spacing:-1px;font-weight:700}.brand-caption{display:block;font-size:11px;line-height:1.6;letter-spacing:1.25px;text-transform:uppercase;font-weight:400;color:var(--muted)}.nav{display:flex;gap:30px;align-items:center;font-size:14px;font-weight:700}.nav a{text-decoration:none}.nav a:not(.button):hover{text-decoration:underline}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;background:var(--ink);color:var(--white);padding:13px 22px;border:1px solid var(--ink);border-radius:7px;text-decoration:none;font-size:14px;font-weight:700;line-height:1.5}.button:hover{background:#245268;color:#fff;border-color:#245268}.button-light{background:var(--lime);color:var(--ink);border-color:var(--lime)}.button-light:hover{background:#edfba9;color:var(--ink);border-color:#edfba9}.button-outline{color:var(--ink);background:transparent;border-color:var(--line)}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.8px;text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:24px}.eyebrow:before{content:"";display:block;width:7px;height:7px;border-radius:50%;background:#94ac39}.hero{display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:64px;padding:76px 0 68px}.hero h1{max-width:660px}.hero h1 span{color:#437182}.hero .intro{font-size:18px;max-width:535px;margin:25px 0 28px;color:var(--muted);line-height:1.65}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}.text-link{font-size:14px;font-weight:700;display:inline-flex;gap:12px;align-items:center}.hero-art{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#edf4f4;position:relative}.art-header{display:flex;justify-content:space-between;padding:19px 23px;font-family:monospace;font-size:11px;letter-spacing:1px;border-bottom:1px solid #d6e2e5}.art-body{padding:30px 12px 12px;background-image:linear-gradient(#dce7e766 1px,transparent 1px),linear-gradient(90deg,#dce7e766 1px,transparent 1px);background-size:26px 26px}.art-body svg{display:block;margin:auto;width:100%}.art-footer{padding:18px 22px;display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px}.art-footer b{color:var(--ink)}.intro-strip{display:flex;align-items:center;gap:32px;padding:21px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.intro-strip strong{color:var(--ink);margin-right:auto}.intro-strip span:before{content:"+";color:#6c7c2e;margin-right:10px;font-weight:bold}.section{padding:72px 0}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:32px}.section-heading p{max-width:390px;color:var(--muted);font-size:15px}.section-heading .eyebrow{margin-bottom:13px}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.guide-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;display:flex;flex-direction:column;background:#fff;transition:border-color .15s,transform .15s}.guide-card:hover{border-color:#8ba6b0;color:var(--ink);transform:translateY(-3px)}.card-art{height:195px;display:flex;align-items:center;justify-content:center;position:relative;border-bottom:1px solid var(--line);background:#f0f5f5}.card-art.lime{background:#f0f5d9}.card-number{position:absolute;top:20px;left:23px;font-family:monospace;font-size:12px;color:var(--muted)}.card-art svg{width:280px;height:148px}.card-content{padding:28px 30px 30px;display:flex;flex-direction:column;flex:1}.meta{color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;margin-bottom:14px}.card-content h3{max-width:390px;font-size:27px}.card-content p{font-size:15px;color:var(--muted);margin-top:15px}.card-link{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:18px;margin-top:25px;font-size:14px;font-weight:700}.checklist-section{background:var(--pale);border-block:1px solid var(--line)}.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:36px}.check-item{border-top:2px solid var(--ink);padding-top:20px}.check-item .num{font-size:12px;color:var(--muted);font-family:monospace}.check-item h3{font-size:19px;margin:13px 0 10px;letter-spacing:-.025em}.check-item p{font-size:14px;color:var(--muted)}.equipment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.equipment-link{border-top:1px solid var(--line);padding:22px 0;display:block;text-decoration:none}.equipment-link h3{font-size:19px;letter-spacing:-.02em;margin-bottom:10px}.equipment-link p{font-size:14px;color:var(--muted)}.equipment-link span{display:inline-block;font-size:13px;font-weight:700;margin-top:17px;text-decoration:underline;text-underline-offset:5px}.cta{background:var(--ink);color:#fff;border-radius:var(--radius);padding:42px 46px;display:flex;align-items:center;justify-content:space-between;gap:35px;margin-top:30px}.cta h2{font-size:32px}.cta p{color:#c0d0d7;margin-top:12px;font-size:15px;max-width:625px}.cta .button{flex-shrink:0}.footer{border-top:1px solid var(--line);padding:34px 0 26px}.footer-main{display:flex;align-items:flex-start;justify-content:space-between;gap:40px}.footer-main p{max-width:540px;color:var(--muted);font-size:13px}.footer-links{display:flex;gap:24px;font-size:13px;flex-shrink:0}.footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:26px;margin-top:25px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.breadcrumb{display:flex;gap:9px;font-size:13px;color:var(--muted);padding-top:32px;flex-wrap:wrap}.article-head{padding:40px 0 44px;border-bottom:1px solid var(--line)}.article-head h1{max-width:900px;font-size:clamp(2.35rem,4.5vw,3.8rem);line-height:1.1}.article-head .lead{max-width:770px;font-size:19px;line-height:1.65;color:var(--muted);margin:23px 0}.article-head .meta{margin-bottom:0}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 270px;gap:80px;align-items:start;padding:45px 0 80px}.prose{min-width:0}.prose section+section{margin-top:42px}.prose h2{font-size:29px;margin-bottom:18px}.prose h3{font-size:21px;letter-spacing:-.025em;margin:26px 0 11px}.prose p,.prose li{color:#304b59}.prose ul,.prose ol{padding-left:23px;margin:18px 0}.prose li+li{margin-top:10px}.prose a{font-weight:600}.callout{border-left:4px solid #8da735;background:#f3f7e8;padding:22px 25px;margin:26px 0}.callout p{font-size:15px}.callout strong{display:block;margin-bottom:6px;color:var(--ink)}.toc{position:sticky;top:30px;background:var(--pale);border:1px solid var(--line);padding:25px;border-radius:10px;font-size:14px}.toc h2{font-size:15px;letter-spacing:0;margin-bottom:16px}.toc ol{padding-left:18px;margin:0}.toc li+li{margin-top:13px}.toc a{color:var(--muted);text-decoration:none}.toc a:hover{text-decoration:underline}.toc .aside-note{border-top:1px solid var(--line);margin-top:25px;padding-top:20px;font-size:13px;color:var(--muted)}.toc .aside-note .text-link{font-size:13px;margin-top:10px;color:var(--ink);text-decoration:underline}.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:8px;margin:23px 0}.table-scroll table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.6;min-width:530px}.table-scroll th{text-align:left;background:var(--pale);padding:15px 18px;color:var(--ink)}.table-scroll td{vertical-align:top;padding:17px 18px;border-top:1px solid var(--line);color:#304b59}.table-scroll td:first-child{font-weight:700;min-width:135px;color:var(--ink)}.table-scroll caption{text-align:left;font-size:13px;padding:12px 18px;border-bottom:1px solid var(--line);color:var(--muted)}.worksheet{padding:24px 27px;border:1px solid var(--line);border-radius:10px;background:#f8fafb}.worksheet ul{list-style:none;padding:0;margin:0}.worksheet li{border-bottom:1px solid var(--line);padding:11px 0;font-size:15px}.worksheet li:last-child{border-bottom:0}.worksheet li:before{content:"□";margin-right:12px;color:var(--ink)}.sources{border-top:1px solid var(--line);padding-top:25px}.sources h2{font-size:20px}.sources p,.sources li{font-size:13px;color:var(--muted)}.article-next{border-top:1px solid var(--line);padding-top:26px;margin-top:36px}.article-next .meta{margin-bottom:7px}.article-next a{font-size:21px;line-height:1.4;display:inline-block}.plain-page{max-width:820px;margin:auto;padding:56px 0 75px}.plain-page h1{font-size:48px;margin-bottom:25px}.plain-page h2{font-size:25px;margin:32px 0 15px}.plain-page p{color:var(--muted)}
.prose{width:100%}[tabindex]:focus-visible{outline:3px solid #17688e;outline-offset:4px}
@media(max-width:1000px){.table-scroll:after{content:"Scroll sideways to compare all columns.";display:block;padding:10px 18px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);width:100%}}
@media(min-width:1500px){.hero{padding-block:92px}.hero-art{margin-left:15px}}
@media(max-width:1000px){.hero{gap:35px}.hero h1{font-size:3.65rem}.hero .intro{font-size:17px}.nav{gap:20px}.article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:38px}.check-grid{gap:22px}.cta{padding:34px}.cta h2{font-size:28px}.equipment-grid{gap:24px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.header-inner{padding:19px 0;min-height:unset;gap:20px;flex-wrap:wrap}.brand-name{font-size:22px}.nav{width:100%;justify-content:space-between;gap:12px;font-size:13px}.nav .button{padding:10px 14px;font-size:12px}.hero{grid-template-columns:1fr;padding:44px 0 35px;gap:33px}.hero h1{font-size:clamp(2.8rem,9.9vw,4.6rem);max-width:600px}.hero .intro{max-width:600px;margin-top:20px}.hero-art{max-width:520px;width:100%;margin:0 auto}.art-body{padding-top:15px}.art-body svg{max-height:290px}.intro-strip{gap:12px 20px;flex-wrap:wrap;font-size:12px}.intro-strip strong{width:100%;margin:0}.section{padding:48px 0}.section-heading{display:block;margin-bottom:25px}.section-heading p{margin-top:16px;max-width:600px}.guide-grid{grid-template-columns:1fr;gap:22px}.card-art{height:172px}.card-content{padding:24px}.card-content h3{font-size:27px;max-width:550px}.check-grid{grid-template-columns:1fr 1fr;gap:25px}.equipment-grid{grid-template-columns:1fr;gap:0}.equipment-link{padding:21px 0}.cta{display:block;padding:29px 26px;margin-top:20px}.cta .button{margin-top:23px}.cta h2{font-size:30px}.footer-main,.footer-bottom{flex-direction:column;gap:20px}.footer-links{gap:23px;flex-wrap:wrap}.footer-bottom{gap:6px;padding-top:20px}.article-head{padding:30px 0}.article-head h1{font-size:clamp(2.25rem,7vw,3.4rem)}.article-head .lead{font-size:17px}.article-layout{display:flex;flex-direction:column-reverse;gap:30px;padding:28px 0 50px}.toc{position:static;width:100%;padding:22px}.toc ol{columns:2;column-gap:28px}.toc li{break-inside:avoid;margin-bottom:9px}.toc li+li{margin-top:0}.toc .aside-note{display:none}.prose h2{font-size:27px}.table-scroll{margin-inline:0}.plain-page{padding-top:38px}.plain-page h1{font-size:38px}.eyebrow{margin-bottom:19px}.callout{padding:20px}.worksheet{padding:17px 20px}}
@media(max-width:380px){.nav{font-size:12px;gap:8px}.nav .button{font-size:11px;padding:10px}.brand-caption{font-size:10px}.hero-actions{align-items:flex-start;flex-direction:column}.check-grid{grid-template-columns:1fr}.toc ol{columns:1}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.guide-card{transition:none}.guide-card:hover{transform:none}}
@media print{.site-header,.footer,.toc,.breadcrumb,.cta,.article-next,.hero-actions{display:none}.wrap{width:100%;max-width:none}.article-layout{display:block;padding:20px 0}.article-head{padding:0 0 20px}.prose section{break-inside:avoid}.article-head h1{font-size:30px}.prose h2{font-size:22px}.table-scroll{overflow:visible}.table-scroll table{min-width:0}.prose a{color:#000}.prose{font-size:11pt}}