:root{--navy:#09315b;--teal:#136c70;--cream:#fffaf0;--ink:#26394b;--line:#d4e1e2;--gold:#d6a43e}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:1rem}body{margin:0;background:#fff;color:var(--ink);font:1.125rem/1.65 'Segoe UI',Arial,sans-serif}a{color:var(--navy);text-underline-offset:4px}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #bd7800;outline-offset:5px}h1,h2,h3,h4{color:var(--navy);line-height:1.16;margin:0 0 1rem;letter-spacing:-.025em}h1{font-size:clamp(2rem,3.4vw,3.25rem)}h2{font-size:clamp(1.9rem,3vw,2.65rem);max-width:760px}h3{font-size:1.5rem}h4{font-size:1.15rem}p{margin:0 0 1rem}.wrap{max-width:1180px;margin:auto;padding:80px 32px}header{max-width:1280px;margin:auto;padding:22px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:7px;font-size:1.45rem;font-weight:650;text-decoration:none;color:var(--navy);white-space:nowrap}.brand b{color:var(--teal)}.mark{display:inline-grid;place-items:center;background:var(--navy);color:#fff;width:36px;height:36px;border-radius:9px;margin-right:5px}nav{display:flex;gap:25px;flex-wrap:wrap;font-size:1rem}nav a{text-decoration:none}nav a:hover{text-decoration:underline}.hero{max-width:1280px;margin:auto}.banner{height:310px;overflow:hidden;background:var(--cream)}.banner img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}.hero-bottom{padding:42px 48px;background:var(--cream);display:flex;gap:40px;align-items:center;border-bottom:5px solid #d7ae56}.hero-bottom>div{max-width:790px}.hero-bottom p:last-child{margin-bottom:0}.button{display:inline-block;background:var(--navy);color:#fff;padding:15px 23px;border:2px solid var(--navy);border-radius:7px;text-decoration:none;text-align:center;font-size:1.05rem;font-weight:650;line-height:1.4;flex-shrink:0}.button:hover{background:#164c7d;border-color:#164c7d}.eyebrow{text-transform:uppercase;color:var(--teal);letter-spacing:.1em;font-size:.82rem;font-weight:750;margin-bottom:14px}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:40px}.three article{border-top:1px solid var(--line);padding-top:22px}.number{color:var(--teal);font-size:1rem;font-weight:700;display:block;margin-bottom:20px}.lesson{background:#edf5f5;scroll-margin-top:20px}.lesson-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px}ol{padding-left:25px}li{padding:5px 0}li::marker{color:var(--teal);font-weight:700}.small{font-size:.95rem}.practice{background:white;padding:32px;border-radius:12px;border:1px solid #c9dedf;box-shadow:0 12px 35px #09315b09}.tabs{display:flex;gap:7px;flex-wrap:wrap;margin:24px 0}.tabs button{border:1px solid #98b7bc;background:#fff;color:var(--navy);padding:9px 11px;border-radius:5px;font-size:.92rem}.tabs .active{background:var(--teal);color:white;border-color:var(--teal)}.prompt-label{font-size:.9rem;color:var(--teal);font-weight:700}blockquote{margin:0 0 25px;padding:0;font-size:1.25rem;line-height:1.65;color:var(--navy)}#copy-status{font-size:.95rem;margin:10px 0;min-height:1.65em}.check{border-top:1px solid var(--line);padding-top:20px}.check p{font-size:1rem;margin-bottom:0}.text-button{background:none;border:0;border-bottom:1px solid var(--navy);padding:2px 0;color:var(--navy);font-weight:600}.safety{display:grid;grid-template-columns:1fr 1fr;gap:65px;border-bottom:1px solid var(--line)}.lead{max-width:770px}.two{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:35px}.course{border:1px solid var(--line);border-radius:10px;padding:35px;background:#fff}.course:nth-child(2){background:#f6fafa}.tag{display:inline-block;color:var(--teal);font-size:.9rem;font-weight:650;margin-bottom:22px}.course ul{padding-left:22px}.course-status{font-size:.95rem;border-top:1px solid var(--line);padding-top:20px;margin:25px 0 0;color:#526270}.about{display:grid;grid-template-columns:340px 1fr;gap:65px;align-items:center;background:var(--cream);border-radius:16px}.about img{width:100%;height:auto;border-radius:14px}.signature{font-weight:650;color:var(--teal);font-size:1.25rem}.text-link{font-weight:650}.faq{max-width:970px}details{border-bottom:1px solid var(--line);padding:21px 0}summary{cursor:pointer;color:var(--navy);font-size:1.2rem;font-weight:650}details p{margin:18px 0 5px;max-width:760px}footer{padding:35px max(32px,calc((100vw - 1116px)/2));background:var(--navy);color:white}footer .brand,footer .brand b{color:white}footer p{margin-top:10px}.skip{position:absolute;left:15px;top:-70px;padding:10px;background:white;z-index:4}.skip:focus{top:10px}
@media(max-width:900px){header{align-items:flex-start;flex-direction:column;gap:14px}.hero-bottom{flex-direction:column;align-items:flex-start;padding:30px}.lesson-grid,.safety{gap:30px}.about{grid-template-columns:250px 1fr;gap:30px;margin:0 20px}.three{gap:24px}.wrap{padding:60px 25px}.banner{height:260px}.banner img{object-fit:cover}}
@media(max-width:650px){body{font-size:1.075rem}header{padding:20px}nav{gap:12px 20px;font-size:.95rem}.banner{height:auto;aspect-ratio:3.05/1;position:relative}.banner img{width:166%;max-width:none;height:auto;position:absolute;left:-33%;top:50%;transform:translateY(-50%)}.hero-bottom{padding:30px 22px;gap:22px}.three,.two,.lesson-grid,.safety,.about{grid-template-columns:1fr}.three{gap:20px}.wrap{padding:48px 22px}.practice,.course{padding:25px 20px}.about{margin:0;border-radius:0}.about img{max-width:260px}.button{min-height:48px}h2{font-size:2rem}.two{gap:20px}.number{margin-bottom:12px}.safety{gap:10px}footer{padding:30px 22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{header,.hero,.intro,.safety,.classes,.about,.faq,footer,.tabs,#copy,#copy-status,#print-guide,.skip{display:none!important}.lesson{background:#fff}.lesson-grid{display:block;padding:0}.practice{border:1px solid #777;box-shadow:none;margin-top:25px;break-inside:avoid}body{font-size:13pt;color:#000}h2{font-size:24pt}.small{font-size:11pt}.wrap{max-width:none}}
.contact{margin-top:22px}footer .footer-email{color:white;overflow-wrap:anywhere}