:root{color-scheme:light;--ink:#142541;--paper:#F5F7FC;--blue:#315FFF;--blue-hover:#254AD1;--muted:#53627A;--line:#DCE3F0;--tint:#E9EEFF}*{box-sizing:border-box}html,body{margin:0;background:var(--paper);color:var(--ink)}body{font:17px/1.6 Onest,system-ui,sans-serif}.wrap{width:min(1200px,calc(100% - 64px));margin:auto}.header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}.brand{font:650 23px/1.25 Unbounded,Onest,sans-serif;text-decoration:none;color:var(--ink)}.brand span{color:var(--blue)}nav{display:flex;gap:24px;flex-wrap:wrap}a{color:var(--blue-hover);text-underline-offset:.22em;overflow-wrap:anywhere}h1,h2,h3{font-family:Unbounded,Onest,sans-serif;line-height:1.2;letter-spacing:-.035em;text-wrap:balance}h1{font-size:clamp(30px,4vw,48px);margin:14px 0 24px}h2{font-size:clamp(23px,3vw,32px);margin:8px 0 20px}p{max-width:74ch}.hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:38px;align-items:start;padding:64px 0}.hero-art{width:100%;height:auto;border-radius:24px;margin-top:26px}.eyebrow{font-size:13px;letter-spacing:.09em;text-transform:uppercase;font-weight:650;color:var(--muted)}.intro{font-size:21px}.actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin:28px 0 20px}.button{display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;min-height:64px;padding:14px 24px;border:1px solid var(--blue);border-radius:12px;background:var(--blue);color:#fff;font-weight:650;text-decoration:none;text-align:center;max-width:100%}.button span{font-size:13px;font-weight:400}.button:hover{background:var(--blue-hover)}.button.secondary{background:white;color:var(--blue-hover);border-color:var(--line)}.button.secondary:hover{background:var(--tint);border-color:var(--blue)}.hint,.release-note{font-size:15px;color:var(--muted)}.program{display:grid;grid-template-columns:1fr 1fr;gap:64px;padding:36px 0 60px;border-top:1px solid var(--line)}.topics{list-style:none;counter-reset:topic;margin:0;padding:0}.topics li{counter-increment:topic;border-bottom:1px solid var(--line);padding:12px 0;display:flex;align-items:baseline;gap:20px}.topics li::before{content:counter(topic,decimal-leading-zero);font:14px ui-monospace,monospace;color:var(--muted)}.format,.offer{padding:32px;border:1px solid var(--line);border-radius:24px;background:white;margin-bottom:36px}.format{background:var(--tint)}.companion{display:flex;justify-content:space-between;align-items:center;gap:36px;padding:24px 0 50px}.companion>div{max-width:730px}.companion .button{flex-shrink:0}.offer{border-top:4px solid #FFD16B}.release-note{margin:8px 0 48px}footer{padding:24px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}code{font-family:ui-monospace,monospace;overflow-wrap:anywhere}.skip{position:absolute;left:-10000px}.skip:focus{left:16px;top:8px;background:white;padding:12px;z-index:1000}:focus-visible{outline:3px solid var(--blue-hover);outline-offset:4px}@media(max-width:900px){.hero{grid-template-columns:1fr}.hero-art{max-width:580px;margin:0 auto}.program{gap:32px}.companion{align-items:flex-start;flex-direction:column}}@media(max-width:600px){.wrap{width:calc(100% - 32px)}.header{align-items:flex-start;flex-direction:column;gap:18px}nav{gap:12px 20px;font-size:15px}.hero{padding:36px 0}.program{grid-template-columns:1fr;gap:14px;padding-bottom:36px}.intro{font-size:19px}.format,.offer{padding:22px}.actions{align-items:stretch;flex-direction:column}.button{width:100%}.instruction{text-align:center}.companion{gap:18px}.companion .button{width:100%}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media(forced-colors:active){.button{border:1px solid ButtonText}:focus-visible{outline-color:Highlight}}@media print{.hero-art,.actions,.button{display:none}.hero,.program{display:block}.format,.offer{break-inside:avoid}body{background:white}}

/* Existing hero artwork is the V4 lesson figure; keep it in this page grid. */
.hero>.hero-art{width:100%;max-width:none;float:none;margin:26px 0 0;padding:0;border:0;border-radius:24px;background:transparent;overflow:hidden}.hero>.hero-art img{display:block;width:100%;max-width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}@media(max-width:900px){.hero>.hero-art{width:100%;max-width:none;float:none;margin:0}}