:root{--ink:#162635;--navy:#142b3b;--navy2:#0b1e2b;--paper:#f1f4f5;--white:#fff;--line:#d4dee1;--muted:#50606b;--accent:#ef9e38;--green:#244e4c}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 "Segoe UI",Arial,sans-serif}a{color:#175c66;text-underline-offset:3px}a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.skip{position:absolute;left:-10000px;top:auto}.skip:focus{left:12px;top:8px;z-index:9;background:#fff;padding:8px 12px}.masthead{background:var(--navy);color:white}.masthead-inner,.nav-inner,.footer-inner,main{max-width:1180px;margin:auto}.masthead-inner{min-height:100px;display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:20px}.brand{display:flex;align-items:center;gap:14px;color:#fff;text-decoration:none;font-family:Arial,sans-serif;font-size:29px;font-weight:700;letter-spacing:-.035em}.brand b{color:var(--accent)}.mark{display:grid;place-items:center;width:50px;height:50px;background:var(--accent);color:var(--navy2);font-size:19px;font-weight:900;letter-spacing:-.06em;clip-path:polygon(0 0,100% 0,100% 78%,77% 100%,0 100%)}.masthead-inner p{margin:0;color:#bacbd0;font-size:15px}.nav{border-top:1px solid #355263;background:var(--navy2)}.nav-inner{display:flex;padding:0 24px}.nav a{display:block;padding:13px 22px 14px;color:#fff;text-decoration:none;font-size:15px;font-weight:600;border-right:1px solid #28414e}.nav a:first-child{border-left:1px solid #28414e}.nav a:hover{background:#254657}
main{padding:36px 24px 54px}.hero{min-height:380px;display:grid;grid-template-columns:1.06fr .94fr;background:var(--navy);color:#fff;overflow:hidden}.hero-copy{padding:48px 52px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.lead-label{margin:0 0 15px;color:var(--accent);font-size:14px;font-weight:700;letter-spacing:.04em}.hero h1{font:700 clamp(42px,5vw,70px)/1.04 Arial,sans-serif;letter-spacing:-.045em;margin:0 0 23px}.hero-lede{max-width:540px;margin:0 0 28px;color:#e1e8e9;font-size:20px;line-height:1.5}.hero-link{display:inline-block;padding:12px 18px;background:var(--accent);color:#142b3b;font-weight:800;text-decoration:none}.hero-link span{padding-left:8px}.field{position:relative;min-height:340px;margin:26px;border:2px solid #80a59a;background:repeating-linear-gradient(90deg,#24514c 0,#24514c 62px,#285851 62px,#285851 124px);overflow:hidden}.field:before,.field:after,.field-line,.field-circle,.field-left,.field-right{content:"";position:absolute;border-color:#a5c1b6}.field:before{inset:12px;border:2px solid #a5c1b6}.field-line{height:calc(100% - 24px);top:12px;left:50%;border-left:2px solid #a5c1b6}.field-circle{width:115px;height:115px;border:2px solid #a5c1b6;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)}.field-left,.field-right{width:90px;height:170px;border:2px solid #a5c1b6;top:50%;transform:translateY(-50%)}.field-left{left:12px;border-left:0}.field-right{right:12px;border-right:0}.field:after{width:9px;height:9px;background:var(--accent);border:0;border-radius:50%;top:calc(50% - 4px);left:calc(50% - 4px)}
.main-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:32px;padding-top:32px}.reading{min-width:0}.section-block{background:#fff;border:1px solid var(--line);padding:33px 38px;margin-bottom:24px;scroll-margin-top:22px}.section-title{display:flex;align-items:flex-start;gap:20px;margin-bottom:19px;border-bottom:2px solid var(--navy);padding-bottom:13px}.section-index{font:700 17px/1.5 Arial,sans-serif;color:#b56d16}.section-block h2{font:700 clamp(25px,3vw,34px)/1.2 Arial,sans-serif;margin:0;letter-spacing:-.02em}.section-block p{margin:0 0 16px;max-width:72ch}.section-block p:last-child{margin-bottom:0}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.steps article{border-top:4px solid var(--accent);background:#f6f8f8;padding:16px 17px}.steps h3,.questions h3{font:700 19px/1.3 Arial,sans-serif;margin:0 0 9px}.steps p{font-size:15px;line-height:1.55}.questions h3{margin-top:22px}.questions h3:first-of-type{margin-top:0}.sidebar-card,.sidebar-note{padding:22px;background:#fff;border:1px solid var(--line);margin-bottom:20px}.sidebar-card{border-top:5px solid var(--accent)}.sidebar h2{font:700 22px/1.3 Arial,sans-serif;margin:0 0 15px}.sidebar p{font-size:15px;margin:0;line-height:1.55}.sidebar-note{border-top:5px solid var(--green)}.sidebar-note strong{display:block;margin-bottom:9px}.footer{background:var(--navy2);color:#cbd7dc}.footer-inner{display:flex;align-items:center;gap:28px;padding:22px 24px;font-size:14px}.footer a{color:white}.footer a:last-child{margin-left:auto}.error-card{background:#fff;border:1px solid var(--line);border-left:6px solid var(--accent);padding:38px 42px;max-width:800px;min-height:250px}.error-code{font:800 54px/1 Arial,sans-serif;color:#7c9ca7}.error-card h1{font:700 33px/1.2 Arial,sans-serif;margin:12px 0}.error-card p{max-width:56ch}.error-card a{font-weight:700}
@media(max-width:900px){.main-grid{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:16px}.sidebar-card,.sidebar-note{margin:0}.hero-copy{padding:34px}.steps{grid-template-columns:1fr}.steps article{padding:15px 18px}.masthead-inner p{display:none}}
@media(max-width:640px){body{font-size:16px}.masthead-inner{min-height:76px;padding:12px 16px}.brand{font-size:22px}.mark{width:42px;height:42px;font-size:17px}.nav-inner{padding:0;display:grid;grid-template-columns:1fr 1fr}.nav a{padding:10px 8px;text-align:center;border-bottom:1px solid #28414e;font-size:14px}.nav a:nth-child(odd){border-left:0}.hero{display:flex;flex-direction:column}.hero-copy{padding:28px 25px 31px}.hero h1{font-size:44px}.hero-lede{font-size:17px}.field{min-height:230px;margin:0 16px 16px}.field-left,.field-right{height:115px;width:55px}.field-circle{width:83px;height:83px}main{padding:16px 13px 35px}.main-grid{padding-top:18px;gap:0}.section-block{padding:23px 21px;margin-bottom:16px}.section-title{gap:12px}.section-block h2{font-size:26px}.sidebar{grid-template-columns:1fr;gap:13px}.footer-inner{display:block;padding:20px 16px}.footer-inner>*{display:block;margin:3px 0}.footer a:last-child{margin-left:0}.error-card{padding:25px 22px;min-height:0}.error-card h1{font-size:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}