.course-surface{--cs-bg:#faf9f7;--cs-bg-2:#f2efea;--cs-card:#fff;--cs-ink:#191817;--cs-ink-2:#57534e;--cs-ink-3:#8a837c;--cs-line:#e2ddd6;--cs-line-2:#cfc8bf;--cs-radius:14px;--cs-shadow:0 1px 2px #1814100d,0 6px 20px -12px #18141040;--cs-accent:var(--cs-accent-base);--cs-accent-soft:color-mix(in srgb,var(--cs-accent-base)8%,var(--cs-bg));background:var(--cs-bg);color:var(--cs-ink);min-height:100vh;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:17px;line-height:1.65}.dark .course-surface{--cs-bg:#14140f;--cs-bg-2:#1c1c16;--cs-card:#1e1e18;--cs-ink:#eeece6;--cs-ink-2:#b6b1a7;--cs-ink-3:#8a857b;--cs-line:#332f28;--cs-line-2:#484238;--cs-shadow:0 1px 2px #0006,0 8px 24px -14px #000c;--cs-accent:color-mix(in oklch,var(--cs-accent-base),white 50%);--cs-accent-soft:color-mix(in srgb,var(--cs-accent)12%,var(--cs-bg))}.cs-topbar{z-index:30;background:color-mix(in srgb,var(--cs-bg)88%,transparent);-webkit-backdrop-filter:saturate(1.4)blur(10px);backdrop-filter:saturate(1.4)blur(10px);border-bottom:1px solid var(--cs-line);align-items:center;gap:.75rem;padding:.55rem clamp(1rem,4vw,2.5rem);display:flex;position:sticky;top:0}.cs-crumb{color:var(--cs-ink-3);letter-spacing:.02em;font-size:.82rem}.cs-crumb a{color:var(--cs-ink-2);text-decoration:none;transition:color .15s}.cs-crumb a:hover{color:var(--cs-accent)}.cs-btn{font:inherit;border:1px solid var(--cs-line-2);background:var(--cs-card);color:var(--cs-ink-2);cursor:pointer;border-radius:999px;padding:.3rem .7rem;font-size:.8rem;line-height:1;transition:color .15s,border-color .15s}.cs-btn:hover{color:var(--cs-ink);border-color:var(--cs-accent)}.cs-wrap{max-width:1180px;margin:0 auto;padding:0 clamp(1rem,4vw,2.5rem) 5rem}.cs-hero{border-bottom:1px solid var(--cs-line);margin-bottom:2.5rem;padding:3rem 0 2rem}.cs-kicker{letter-spacing:.14em;text-transform:uppercase;color:var(--cs-accent);font-size:.78rem;font-weight:600}.cs-hero h1{font-family:var(--font-playfair),"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;letter-spacing:-.02em;color:var(--cs-accent);margin:.5rem 0 .6rem;font-size:clamp(2rem,5.2vw,3.1rem);font-weight:600;line-height:1.08}.cs-sub{color:var(--cs-ink-2);max-width:60ch;margin:0;font-size:1.12rem;line-height:1.6}.cs-pill{background:var(--cs-bg-2);color:var(--cs-ink-2);border:1px solid var(--cs-line);border-radius:999px;padding:.28rem .7rem;font-size:.76rem;text-decoration:none;transition:color .15s,border-color .15s;display:inline-block}a.cs-pill:hover{border-color:var(--cs-accent);color:var(--cs-accent)}.cs-card{border:1px solid var(--cs-line);border-radius:var(--cs-radius);background:var(--cs-card);box-shadow:var(--cs-shadow);color:inherit;padding:1.2rem 1.4rem;text-decoration:none;transition:border-color .15s,box-shadow .15s;display:block}.cs-card:hover{border-color:var(--cs-accent)}.cs-section-label{letter-spacing:.12em;text-transform:uppercase;color:var(--cs-ink-3);margin:0 0 1rem;font-size:.72rem}.cs-num{font-family:var(--font-playfair),serif;color:var(--cs-line-2);text-align:center;flex-shrink:0;width:3rem;font-size:2.5rem;font-style:italic;line-height:1;transition:color .15s}.cs-card:hover .cs-num{color:var(--cs-accent)}.cs-stroke-region{position:relative;overflow-x:clip}.cs-hero-stroke{z-index:0;pointer-events:none;width:auto;height:158vh;position:absolute;top:0;right:-12%}.cs-hero-stroke path{stroke:var(--cs-accent)}.cs-stroke-region .cs-wrap{z-index:1;position:relative}.cs-page-body,.cs-footer{z-index:1;background:var(--cs-bg);position:relative}.cs-home-hero{align-items:center;min-height:100svh;padding-bottom:6vh;display:flex}.cs-hero-copy{z-index:1;width:100%;padding-bottom:0;position:relative}.cs-hero-title{font-family:var(--font-playfair),"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;letter-spacing:-.025em;color:var(--cs-accent);max-width:16ch;margin:.7rem 0 1.3rem;font-size:clamp(2.75rem,7.5vw,5.25rem);font-style:italic;font-weight:600;line-height:1.02}.cs-hero-sub{max-width:34ch;color:var(--cs-ink-2);margin:0;font-size:clamp(1.05rem,1.6vw,1.25rem);line-height:1.55}.cs-hero-actions{flex-wrap:wrap;align-items:center;gap:1.4rem;margin-top:2.4rem;display:flex}.cs-hero-hint{color:var(--cs-ink-3);font-size:.85rem}.cs-cta{background:var(--cs-accent);color:var(--cs-bg);box-shadow:var(--cs-shadow);border-radius:999px;padding:.8rem 1.7rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:transform .18s,box-shadow .18s;display:inline-block}.cs-cta:hover{transform:translateY(-2px);box-shadow:0 2px 4px #18141014,0 14px 28px -16px #18141080}@media (max-width:900px){.cs-hero-stroke{opacity:.4;height:150vh;right:-62%}.cs-hero-title{max-width:12ch}}.cs-block{padding:3.4rem 0}.cs-page-body .cs-block+.cs-block{border-top:1px solid var(--cs-line)}.cs-grid{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem;display:grid}.cs-card-title{font-family:var(--font-playfair),Georgia,serif;color:var(--cs-accent);text-wrap:balance;margin:0 0 .5rem;font-size:1.3rem;font-style:italic;font-weight:600;line-height:1.2}.cs-card-title-lg{font-size:clamp(1.9rem,3.4vw,2.5rem)}.cs-card-body{color:var(--cs-ink-2);margin:0;font-size:.95rem;line-height:1.6}.cs-grid .cs-card{transition:border-color .15s,transform .18s,box-shadow .18s}.cs-grid .cs-card:hover{transform:translateY(-2px)}.cs-card-wide{flex-direction:column;justify-content:space-between;gap:1.8rem;padding:2rem;display:flex}.cs-card-go{color:var(--cs-accent);font-size:.9rem;transition:transform .18s}.cs-card-wide:hover .cs-card-go{display:inline-block;transform:translate(4px)}.cs-aside{color:var(--cs-ink-3);margin:1.2rem 0 0;font-size:.92rem}.cs-aside a{color:var(--cs-ink-2);border-bottom:1px solid var(--cs-line-2);text-decoration:none}.cs-aside a:hover{color:var(--cs-accent);border-color:var(--cs-accent)}.cs-jump{max-width:44rem}.cs-jump-field{border:0;border-bottom:1px solid var(--cs-line-2);background:0 0;border-radius:0;outline:none;width:100%;max-width:none;padding:.5rem .2rem;transition:border-color .15s;position:relative}.cs-jump-field:focus-within{border-bottom-color:var(--cs-accent)}.cs-jump-input{color:var(--cs-ink)}.cs-jump-input::placeholder{color:var(--cs-ink-3)}.cs-jump-field .bg-primary{background-color:var(--cs-accent)}.cs-jump-results{margin:1.4rem 0 0;padding:0;list-style:none}.cs-jump-result{border-bottom:1px solid var(--cs-line);color:var(--cs-ink);justify-content:space-between;align-items:baseline;gap:1.5rem;padding:.75rem .2rem;text-decoration:none;transition:color .15s,padding-left .15s;display:flex}a.cs-jump-result:hover{color:var(--cs-accent);padding-left:.5rem}.cs-jump-hint{color:var(--cs-ink-3);flex-shrink:0;font-size:.85rem}.cs-footer{border-top:1px solid var(--cs-line);max-width:1180px;color:var(--cs-ink-3);flex-wrap:wrap;justify-content:space-between;gap:1rem;margin:0 auto;padding:2.2rem clamp(1rem,4vw,2.5rem);font-size:.85rem;display:flex}