:root{color-scheme:light;--navy:#0d2c42;--text:#173b50;--muted:#456476;--sea:#09656f;--pale:#edf7f8;--line:#d4e5e9;--white:#fff}
*{box-sizing:border-box}html{scroll-padding-top:1rem}body{margin:0;font:1rem/1.6 system-ui,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text);background:#f7fafb}a{color:var(--sea);text-underline-offset:.18em}a:focus-visible{outline:3px solid #b65c0e;outline-offset:4px;border-radius:.15rem}h1,h2,h3,p{margin:0}h1,h2,h3{color:var(--navy);line-height:1.16}h1{font-size:clamp(2rem,6vw,4rem);letter-spacing:-.04em;max-width:17ch}h2{font-size:1.72rem;letter-spacing:-.025em}h3{font-size:1.18rem;letter-spacing:-.018em}p{margin-top:.6rem}.wrap{width:min(1120px,calc(100% - 2.5rem));margin-inline:auto}.skip{position:absolute;left:.75rem;top:-6rem;background:white;padding:.75rem;z-index:3}.skip:focus{top:.75rem}header{background:white;border-bottom:1px solid var(--line)}.bar{display:flex;align-items:center;justify-content:space-between;gap:.8rem;min-height:4.5rem}.bar img{display:block;width:min(207px,46vw);height:auto}.portal{font-weight:650;white-space:nowrap}.hero{background:linear-gradient(115deg,#e7f7f7,#f6f9fb);border-bottom:1px solid var(--line);padding:clamp(2rem,7vw,5.1rem) 0}.kicker{font-size:.77rem;letter-spacing:.12em;font-weight:800;color:var(--sea);margin-bottom:.65rem}.lede{font-size:clamp(1.05rem,2.5vw,1.23rem);max-width:58ch;margin-top:.85rem}.badge,.runtime{font-size:.82rem;font-weight:700;color:var(--sea)}.badge{display:inline-block;margin-top:1.25rem;padding:.36rem .75rem;border-radius:999px;background:white;border:1px solid var(--line)}.library{padding:1.4rem 0 3.6rem}.categories{display:flex;gap:.45rem;flex-wrap:wrap;margin-bottom:2rem}.categories a{background:white;border:1px solid var(--line);border-radius:999px;padding:.42rem .82rem;font-weight:650;text-decoration:none}.categories a:hover{background:var(--pale)}.collection+.collection{margin-top:2.25rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,245px),1fr));gap:.8rem;margin-top:.8rem}.card{display:flex;flex-direction:column;align-items:flex-start;gap:.55rem;padding:1.2rem;border:1px solid var(--line);border-radius:.8rem;background:white;box-shadow:0 2px 5px #11354a09}.card p{margin:0;color:var(--muted)}.card h3 a{text-decoration:none;color:var(--navy)}.card h3 a:hover{text-decoration:underline}.card-link{margin-top:auto;padding-top:.25rem;font-weight:700}.lesson{max-width:800px;padding:1.65rem 0 3.8rem}.lesson h1{font-size:clamp(2rem,6vw,3.5rem);max-width:24ch}.back{display:inline-block;margin-bottom:1.8rem;font-weight:650}.action{display:inline-block;background:var(--sea);color:white;font-weight:700;border-radius:.5rem;padding:.6rem 1rem;margin:1rem 0;text-decoration:none}.action:hover{background:var(--navy)}video{width:100%;height:auto;aspect-ratio:16/9;border-radius:.65rem;display:block;margin:.6rem 0 2rem;background:var(--navy)}.steps{padding-left:1.7rem}.steps li{padding:.7rem 0 .85rem .45rem;border-bottom:1px solid var(--line)}.steps li::marker{font-weight:800;color:var(--sea)}.steps p{margin-top:.35rem}footer{border-top:1px solid var(--line);background:white}.footer{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;padding:1.4rem 0;font-size:.91rem}

.supplement{margin-top:2rem;background:var(--pale);border:1px solid var(--line);border-radius:.65rem;padding:1.2rem}.supplement h2{font-size:1.25rem}
.paths{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:.7rem;margin-top:1.5rem;max-width:880px}.paths a{display:block;background:white;border:1px solid var(--line);padding:.78rem .95rem;border-radius:.65rem;text-decoration:none}.paths strong,.paths span{display:block}.paths strong{text-decoration:underline;text-underline-offset:.18em}.paths span,.hint{color:var(--muted);font-size:.92rem}.paths a:hover{border-color:var(--sea)}.hint{margin:.6rem 0}.lesson-note,.related{padding:1rem 1.2rem;border:1px solid var(--line);border-radius:.65rem;background:var(--pale);margin-top:1.2rem}.lesson-note h2,.related h2{font-size:1.15rem}.lesson-actions{display:flex;flex-wrap:wrap;align-items:center;gap:.65rem 1rem;margin-top:.8rem;font-weight:650}.lesson-actions .action{margin:0}.related ul{margin-bottom:0}.related li+li{margin-top:.3rem}#video,#instructions{scroll-margin-top:1rem}