.sk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin:22px 0 8px;max-width:1100px}.sk-card{display:flex;flex-direction:column;gap:10px;padding:24px 24px 22px;background:var(--brand-surface);border:1px solid var(--rule-strong);border-left:3px solid var(--brand-primary);border-radius:4px;transition:border-color .2s ease,box-shadow .2s ease}.sk-card:hover{border-color:color-mix(in oklab,var(--brand-primary) 55%,var(--rule-strong));box-shadow:0 6px 20px -16px rgba(15,36,27,.18)}.sk-card-cat{font:600 11px var(--font-sans);letter-spacing:.08em;text-transform:uppercase;color:var(--brand-accent-deep)}.sk-card-name{font-family:var(--font-serif);font-size:20px;line-height:1.18;letter-spacing:-.01em;color:var(--brand-primary-ink);font-weight:400;margin:0}.sk-card-desc{font-size:14.5px;line-height:1.55;color:color-mix(in oklab,var(--brand-ink) 80%,transparent);margin:0}.sk-card-when{font-size:13px;line-height:1.5;color:color-mix(in oklab,var(--brand-ink) 70%,transparent);margin:4px 0 0;padding-top:10px;border-top:1px dashed var(--rule)}.sk-card-when strong{color:var(--brand-primary-ink);font-weight:600}.sk-card-triggers{display:flex;flex-direction:column;gap:4px;margin-top:4px}.sk-card-trigger{font-family:var(--font-serif);font-style:italic;font-size:13px;color:color-mix(in oklab,var(--brand-ink) 65%,transparent)}.sk-card-actions{margin-top:auto;padding-top:14px}.sk-card-btn{display:inline-flex;align-items:center;padding:10px 16px;border-radius:4px;font:500 13.5px var(--font-sans);text-decoration:none;transition:background .14s ease,border-color .14s ease;width:100%;justify-content:center;border:1px solid transparent}.sk-card-btn-primary{background:var(--brand-primary);color:var(--brand-surface);border-color:var(--brand-primary)}.sk-card-btn-primary:hover{background:var(--brand-primary-ink);border-color:var(--brand-primary-ink)}.sk-card-btn-locked{background:transparent;color:var(--brand-primary-ink);border-color:var(--rule-strong)}.sk-card-btn-locked:hover{background:color-mix(in oklab,var(--brand-primary) 6%,transparent);border-color:var(--brand-primary)}.sk-resources{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin:22px 0 0;max-width:1100px}.sk-res{display:flex;flex-direction:column;gap:10px;padding:24px 24px 22px;background:var(--paper);border:1px solid var(--rule-strong);border-radius:4px;text-decoration:none;color:var(--brand-ink);transition:transform .2s cubic-bezier(.2,.7,.2,1),border-color .2s ease,box-shadow .2s ease}.sk-res:hover{transform:translateY(-2px);border-color:color-mix(in oklab,var(--brand-primary) 35%,var(--rule-strong));box-shadow:0 10px 24px -16px rgba(15,36,27,.2)}.sk-res-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.sk-res-cat{font:600 11px var(--font-sans);color:var(--brand-accent-deep)}.sk-res-cat,.sk-res-difficulty{letter-spacing:.08em;text-transform:uppercase}.sk-res-difficulty{font:600 10.5px var(--font-sans);padding:3px 8px;border-radius:999px;background:color-mix(in oklab,var(--brand-ink) 8%,transparent);color:color-mix(in oklab,var(--brand-ink) 65%,transparent)}.sk-res-diff-easy{background:color-mix(in oklab,var(--brand-primary) 12%,transparent);color:var(--brand-primary-ink)}.sk-res-diff-advanced{background:color-mix(in oklab,#9C3F24 14%,transparent);color:#9C3F24}.sk-res-name{font-family:var(--font-serif);font-size:22px;line-height:1.15;letter-spacing:-.015em;color:var(--brand-primary-ink);font-weight:400;margin:0;display:flex;align-items:center;gap:8px}.sk-res-arrow{font-size:14px;color:color-mix(in oklab,var(--brand-ink) 50%,transparent);transition:transform .2s ease}.sk-res:hover .sk-res-arrow{transform:translate(2px,-2px);color:var(--brand-primary)}.sk-res-blurb{font-size:14px;line-height:1.55;color:color-mix(in oklab,var(--brand-ink) 80%,transparent);margin:0}.sk-res-pairs{font-size:13px;line-height:1.5;color:color-mix(in oklab,var(--brand-ink) 65%,transparent);margin:0;padding-top:10px;border-top:1px dashed var(--rule)}.sk-res-pairs strong{color:var(--brand-primary-ink);font-weight:600}.sk-bottom-cta{margin:32px 0 56px;padding:32px 32px 30px;background:var(--paper);border:1px solid var(--rule-strong);border-left:3px solid var(--brand-accent);border-radius:4px;max-width:820px}.sk-bottom-h{font-family:var(--font-serif);font-weight:400;font-size:clamp(24px,3vw,32px);line-height:1.18;letter-spacing:-.02em;color:var(--brand-primary-ink);margin:0 0 14px;max-width:26ch}.sk-bottom-p{font-size:15px;line-height:1.55;color:color-mix(in oklab,var(--brand-ink) 78%,transparent);margin:0 0 20px;max-width:58ch}.mk-shell code{font:400 12.5px ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:color-mix(in oklab,var(--brand-ink) 8%,transparent);color:var(--brand-primary-ink);padding:1px 6px;border-radius:3px}@media (max-width:640px){.sk-grid,.sk-resources{grid-template-columns:1fr}.sk-card,.sk-res{padding:20px 18px 18px}}