:root{color-scheme:dark;--bg:#171b19;--panel:#222925;--text:#f0f0e7;--muted:#b6c1b7;--accent:#b7df95}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 system-ui,sans-serif}
a{color:var(--accent);text-underline-offset:4px}
a:hover{color:#e4ffd1}
header,main,footer{max-width:1120px;margin:auto;padding:24px}
header{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #3d463e;font-size:15px}
.brand{font-weight:750;text-decoration:none;color:var(--text)}
.brand span{color:var(--muted);font-weight:400}
main{padding-top:48px}
h1{font-size:clamp(30px,4.5vw,54px);line-height:1.12;letter-spacing:-.035em;max-width:900px;margin:14px 0 24px}
h2{line-height:1.3}
p{margin:12px 0}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--accent);font-size:12px;font-weight:700}
.intro{font-size:20px;max-width:850px;color:#dbe2d8}
.hint,nav,.source,footer,#load-status{color:var(--muted);font-size:14px}
.app-preview{display:block;width:100%;height:auto;margin:24px 0;border:1px solid #3d463e;border-radius:8px}
.explanation{max-width:800px;margin:40px 0}
.explanation h2,.source h2{font-size:22px}
.cta{padding:30px;background:#29382a;border:1px solid #536948;border-radius:16px;margin:36px 0}
.cta h2{margin-top:0}
.button{display:inline-block;background:var(--accent);color:#172014;padding:12px 20px;border-radius:8px;font-weight:750;text-decoration:none;margin-top:10px}
.button:hover{background:#d9f7c2;color:#172014}
.source code{display:block;overflow-wrap:anywhere;font-size:12px;margin:12px 0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:40px 0}
.cards article{background:var(--panel);border:1px solid #3d463e;border-radius:14px;overflow:hidden;padding:0 20px 24px}
.cards article>a:first-child{color:var(--text);text-decoration:none}
.cards img{width:calc(100% + 40px);margin-left:-20px;height:auto;display:block}
.cards h2{font-size:22px}
.cards p{font-size:15px;color:var(--muted)}
.text-link{font-size:14px}
.skip{position:absolute;top:-100px}
.skip:focus{top:0;padding:10px;background:var(--bg);z-index:10}
[hidden]{display:none!important}
footer{border-top:1px solid #3d463e;margin-top:30px;padding-bottom:40px}
@media(max-width:650px){header,main,footer{padding:20px}header{font-size:13px}.brand span{display:none}main{padding-top:30px}.cards{grid-template-columns:1fr}.intro{font-size:18px}h1{font-size:34px}.cta{padding:24px}}