:root{color-scheme:dark;--bg:#111917;--cream:#f7eddd;--muted:#c7c6b7;--gold:#edbd7c;--line:#566157}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--cream);font:17px/1.65 Arial,sans-serif}a{color:inherit}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid #fff;outline-offset:5px}.shell{width:min(1200px,calc(100% - 48px));margin:auto}.skip{position:absolute;top:-80px;left:15px;background:#fff;color:#111;z-index:20;padding:10px}.skip:focus{top:10px}
header{border-bottom:1px solid #ffffff25;background:#111917}header .shell{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:17px;letter-spacing:.06em;font-weight:800;text-decoration:none}nav{display:flex;gap:28px;font-size:14px}nav a{text-decoration:none}nav a:hover{color:var(--gold)}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,serif;line-height:.98;letter-spacing:-.05em;font-weight:400}h1{font-size:clamp(3.6rem,8vw,7.3rem);margin:18px 0 26px}h2{font-size:clamp(3rem,6vw,5.8rem);margin:16px 0 24px}.eyebrow{font-size:13px;letter-spacing:.17em;text-transform:uppercase;font-weight:700;color:var(--gold)}.lead{max-width:560px;font-size:20px;line-height:1.6}.hero{position:relative;isolation:isolate;padding:95px 0 85px;background:#222b23}.hero:before{content:'';position:absolute;inset:0;z-index:-2;background:url('/assets/marsh_background.png') center/cover}.hero:after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#0c1718ed,#101b1d88 60%,#101b1d22),linear-gradient(0deg,#111917,transparent 45%)}.tags{display:flex;gap:12px;flex-wrap:wrap;font-size:14px;color:#e1dccd;margin:25px 0}.tags span{padding:4px 12px;border:1px solid #c2c6b95c;border-radius:30px}.actions{display:flex;gap:20px;flex-wrap:wrap;align-items:center;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 24px;border:1px solid var(--gold);background:var(--gold);color:#15201c;text-decoration:none;font-weight:700;font-size:16px;cursor:pointer}.button:hover{background:#f7d6a6}.secondary{background:transparent;color:var(--cream);border-color:#8a9687}.secondary:hover{background:#344139}.note{font-size:14px;color:var(--muted);margin-top:15px}.quiz{padding:86px 0;background:#eceee9;color:#1c304b}.quiz-grid{display:grid;grid-template-columns:1fr .95fr;gap:70px;align-items:center}.quiz .eyebrow{color:#385b85}.quiz .lead{color:#45556b}.quiz .button{color:white;background:#224671;border-color:#224671}.quiz .button:hover{background:#325f93}.quiz .tags{color:#3b526e}.quiz .tags span{border-color:#adbac7}.quiz-art{position:relative}.quiz-art img{display:block;width:100%;aspect-ratio:1.2;object-fit:cover;border-radius:3px}.progress{position:absolute;bottom:20px;left:20px;right:20px;background:#fffef4ed;padding:18px 22px;box-shadow:0 8px 25px #102b3626}.progress strong{font-size:26px;font-family:Georgia,serif}.progress span{float:right;font-size:14px;margin-top:6px}.progress progress{display:block;width:100%;height:8px;margin-top:12px;accent-color:#224671}.progress small{display:block;font-size:12px;margin-top:5px}.about{padding:42px 0;border-top:1px solid #fff2}.about .shell{display:flex;gap:30px;justify-content:space-between}.about p{max-width:600px;color:var(--muted);margin:0}.about strong{font-family:Georgia,serif;font-size:27px;line-height:1.3;font-weight:400}footer{padding:26px 0;color:var(--muted);font-size:14px;border-top:1px solid #ffffff25}footer .shell{display:flex;justify-content:space-between;gap:20px}footer p{margin:0}
.play-main{padding:30px 0 60px}.play-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:22px}.play-heading h1{font-size:clamp(2.1rem,4vw,3.6rem);margin:0 0 8px}.play-heading p{margin:0;color:var(--muted);font-size:15px}.player{position:relative;width:100%;aspect-ratio:16/9;background:#080f0e;border:1px solid var(--line);overflow:hidden}.player:fullscreen{border:0;width:100vw;height:100vh;aspect-ratio:auto}.player iframe{display:block;width:100%;height:100%;border:0}.launch{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;background:linear-gradient(#0b151877,#0b1518dd),url('/assets/marsh_background.png') center/cover}.launch h2{font-size:clamp(2rem,5vw,4rem);margin:0 0 24px}.launch p{max-width:540px;margin:18px 0 0;color:#eee}.player-tools{display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;align-items:center;margin-top:15px}.player-tools p{font-size:14px;color:var(--muted);margin:0}.player-tools .button{min-height:42px;padding:7px 14px;font-size:14px}.instructions{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-top:42px}.instructions h2{font:28px Georgia,serif;letter-spacing:0}.instructions p,.instructions li{color:var(--muted)}.instructions ul{padding-left:20px}kbd{font:14px Arial,sans-serif;background:#334039;border:1px solid #617164;border-radius:3px;padding:2px 6px;color:var(--cream)}details{font-size:14px;color:var(--muted);margin-top:28px}summary{cursor:pointer;color:var(--cream)}.mobile-tip{display:none}
@media(max-width:760px){.shell{width:calc(100% - 32px)}header .shell{min-height:90px;flex-wrap:wrap;gap:10px;padding:15px 0}nav{gap:18px}.hero{padding:60px 0}.lead{font-size:18px}.quiz{padding:55px 0}.quiz-grid,.instructions{grid-template-columns:1fr;gap:35px}.quiz-art{max-width:560px}.about .shell,footer .shell,.play-heading{display:block}.about p{margin-top:15px}.play-heading .button{margin-top:15px}.mobile-tip{display:block;font-size:14px;color:var(--muted);margin-bottom:15px}.progress span{float:none;display:block}.play-main{padding-top:22px}.launch p{font-size:14px}.launch h2{margin-bottom:15px}.launch .button{min-height:44px;padding:8px 15px}.player{min-height:220px}footer p+p{margin-top:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
[hidden]{display:none!important}