@font-face{font-family:"DM Sans";src:url("/assets/fonts/dm-sans-latin.woff2") format("woff2");font-style:normal;font-weight:400 700;font-display:swap}
@font-face{font-family:Sora;src:url("/assets/fonts/sora-latin.woff2") format("woff2");font-style:normal;font-weight:400 700;font-display:swap}
.article-contents{display:flex;flex-wrap:wrap;gap:10px 18px;padding:16px 0;border-block:1px solid var(--line);margin:24px 0;font-size:14px}
.slot-example{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;max-width:440px;margin:24px 0 12px}
.slot-example span{display:grid;place-items:center;min-height:60px;border:1px solid #c9d8cf;border-radius:10px;background:#fff;color:#566965;font-size:13px}
.slot-example .occupied{background:#e6f0e8;color:#246b57;font-weight:600}
.prose .example-caption{font-size:13px;color:#566965}
.board-examples li+li{margin-top:16px}
:root{--paper:#f4f7f5;--card:#fff;--ink:#1c302c;--muted:#566965;--line:#d9e3dd;--forest:#246b57;--forest-dark:#174f40;--yellow:#f4cf66;--mint:#e6f0e8;--blue:#e7edf4;--radius:16px;--body:"DM Sans",system-ui,sans-serif;--display:Sora,system-ui,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65;font-synthesis:none}
a{color:var(--forest);text-underline-offset:.22em}
button,input{font:inherit}
button,a,input,summary{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
img{max-width:100%;height:auto;display:block}
button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ac7800;outline-offset:4px}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.25;text-wrap:balance}
h1{font-size:clamp(2.1rem,4.3vw,3.5rem);letter-spacing:-.035em;line-height:1.13;margin-bottom:20px}
h2{font-size:clamp(1.5rem,2.6vw,2rem);letter-spacing:-.025em}
h3{font-size:1.08rem;letter-spacing:-.015em}
p{margin-bottom:1rem}
::selection{background:var(--yellow);color:var(--ink)}
.wrap{width:min(1120px,calc(100% - 64px));margin:auto}
.skip{position:fixed;top:8px;left:8px;background:white;padding:12px;z-index:9;transform:translateY(-200%)}
.skip:focus{transform:none}
.header{border-bottom:1px solid var(--line);background:var(--card)}
.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;gap:11px;align-items:center;color:var(--ink);text-decoration:none;font-family:var(--display);font-size:16px;font-weight:600;line-height:1.25}
.brand img{width:39px;height:39px}
.brand small{display:block;font-family:var(--body);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:3px;font-weight:500}
.nav{display:flex;gap:24px;align-items:center}
.nav a{min-height:44px;display:inline-flex;align-items:center;font-size:14px;color:var(--ink);text-decoration:none;font-weight:600}
.nav a:hover,.nav a[aria-current=page]{color:var(--forest);text-decoration:underline}
.hero{display:grid;grid-template-columns:1.18fr .82fr;gap:64px;align-items:center;padding:48px 0}
.eyebrow{font-size:12px;letter-spacing:.075em;text-transform:uppercase;font-weight:700;color:var(--forest);margin-bottom:16px}
.hero-copy h1{max-width:12ch}
.hero-copy>p{max-width:480px;font-size:17px;color:var(--muted);line-height:1.65}
.search-label{font-size:14px;font-weight:600;display:block;margin-bottom:8px}
.search-row{display:flex;background:white;border:1px solid #aac3b6;border-radius:12px;padding:5px;max-width:530px;box-shadow:0 3px 10px #1c302c08}
.search-row input{border:0;min-width:0;flex:1;padding:12px;background:transparent;color:var(--ink);font-size:16px;width:100%}
.search-row input:focus{outline:none}
.search-row:focus-within{outline:3px solid #ac7800;outline-offset:3px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:8px;background:var(--forest);color:white;text-decoration:none;padding:12px 18px;font-size:14px;font-weight:600;line-height:1.45;min-height:46px}
.button:hover{background:var(--forest-dark)}
.button.light{background:var(--mint);color:var(--forest-dark)}
.search-hint{margin:14px 0 0!important;font-size:13px!important}
.search-hint a{font-weight:600;padding:4px 0}
.search-feedback{font-size:14px;margin:10px 0 0;color:#8b3f20}
.search-feedback:empty{display:none}
.small-search{margin-bottom:24px;max-width:550px}
.hero-art{position:relative;border:1px solid #c9dccc;border-radius:22px;background:var(--mint);overflow:hidden;padding:22px}
.art-head{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:600;color:var(--forest-dark);letter-spacing:.045em;text-transform:uppercase}
.art-head span:last-child{background:white;border-radius:5px;padding:5px 8px}
.pixel-garden{width:100%;height:185px;display:block;margin:6px auto 12px}
.slot-demo{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:0 18px}
.slot-demo span{aspect-ratio:1;border-radius:9px;background:white;box-shadow:0 3px 0 #bed4c5;display:flex;align-items:center;justify-content:center;font-size:21px;font-weight:600;font-variant-numeric:tabular-nums}
.slot-demo .active{background:var(--yellow);color:#5e4c1c}
.art-note{text-align:center;color:var(--forest-dark);font-size:12px;margin:14px 0 0}
.library{padding:32px 0 48px;border-top:1px solid var(--line)}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px}
.section-heading .eyebrow{margin-bottom:8px}
.section-heading h2{margin-bottom:7px}
.section-heading p{color:var(--muted);margin-bottom:0;font-size:14px}
.count-label{font-size:13px;color:var(--muted)}
a.count-label{white-space:nowrap;font-weight:600;text-decoration:none;padding:8px 0}
.level-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.level-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--ink);text-decoration:none;transition:transform .15s,border-color .15s;display:flex;flex-direction:column}
.level-card:hover{transform:translateY(-3px);border-color:#8cb59e}
.card-image{background:#e6ece7;aspect-ratio:16/10;overflow:hidden;position:relative}
.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .25s}
.level-card:hover img{transform:scale(1.025)}
.card-level{position:absolute;bottom:10px;left:10px;padding:3px 8px;background:white;border-radius:6px;font-size:13px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.card-body{padding:17px;flex:1;display:flex;flex-direction:column}
.card-body h3{font-size:15px;line-height:1.4;margin-bottom:7px}
.card-body p{color:var(--muted);font-size:13px;line-height:1.6;margin-bottom:14px}
.card-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px;color:var(--forest);font-weight:600;margin-top:auto}
.badge{font-size:11px;line-height:1.5;font-weight:600;display:inline-block;padding:4px 8px;border-radius:6px;background:var(--mint);color:var(--forest-dark)}
.badge.video{background:var(--blue);color:#425c78}
.help-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:52px}
.help-strip h3{margin-bottom:8px}
.help-strip p{font-size:14px;color:var(--muted);margin-bottom:0}
.help-icon{font-size:12px;color:var(--forest);display:inline-block;margin-bottom:12px;font-weight:700}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;padding:26px 0 20px;font-size:13px;color:var(--muted)}
.crumbs a{text-decoration:none}
.guide-head{max-width:830px;padding-bottom:26px}
.guide-head h1{font-size:clamp(2rem,3.8vw,3rem);margin-top:14px}
.level-heading{display:block;font-family:var(--body);font-size:15px;font-weight:600;color:var(--forest);line-height:1.5;letter-spacing:0;margin-bottom:10px}
.guide-head .lead{font-size:17px;color:var(--muted);max-width:720px;line-height:1.65}
.guide-meta{font-size:13px;color:var(--muted)}
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:28px;align-items:start;padding-bottom:54px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:22px}
.panel h2{font-size:1.45rem;margin-bottom:16px}
.board-note{padding:14px 17px;background:#fbf3d9;border:1px solid #eee0b2;border-radius:10px;font-size:14px;margin-bottom:20px}
.board-note p:last-child{margin-bottom:0}
.board-note strong{display:block;margin-bottom:5px}
.video-shell{position:relative;aspect-ratio:16/9;background:#122827;border-radius:12px;overflow:hidden;margin-bottom:14px}
.video-shell>img{width:100%;height:100%;object-fit:contain;opacity:.85}
.video-shell iframe{border:0;position:absolute;inset:0;width:100%;height:100%}
.play-video{position:absolute;inset:0;border:0;background:linear-gradient(0deg,#102623c9,transparent 70%);color:white;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;font-weight:600}
.play-circle{width:60px;height:60px;border-radius:50%;background:var(--yellow);color:#203d36;display:grid;place-items:center;font-size:20px;padding-left:3px}
.video-credit{font-size:13px;color:var(--muted);margin-bottom:0}
.video-credit+.board-note{margin-top:18px}
.steps{list-style:none;padding:0;margin:0;counter-reset:step}
.steps li{counter-increment:step;position:relative;padding:0 0 26px 43px;border-left:1px solid var(--line);margin-left:15px}
.steps li:last-child{padding-bottom:0;border-left-color:transparent}
.steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:-15px;top:0;width:30px;height:30px;border-radius:8px;background:var(--mint);color:var(--forest-dark);display:grid;place-items:center;font-size:12px;font-weight:600}
.steps h3{font-size:16px;line-height:1.45;margin-bottom:8px}
.steps p{font-size:15px;margin-bottom:9px}
.checkpoint{font-size:14px!important;color:var(--muted);background:var(--paper);padding:11px 13px;border-radius:8px}
.seek-link{font-size:13px;font-weight:600}
.side{position:sticky;top:24px}
.side .panel{padding:22px}
.side h2{font-size:1.08rem}
.side ul{list-style:none;padding:0;margin:0}
.side li{border-bottom:1px solid var(--line);padding:11px 0;font-size:14px}
.side li:last-child{border:0}
.side a{text-decoration:none}
.side small{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.side .button{width:100%;margin-top:16px}
.guide-next{display:flex;justify-content:space-between;gap:20px;padding-top:8px}
.guide-next a{font-size:14px;font-weight:600;text-decoration:none}
.guide-next a span{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-bottom:4px}
details{border-top:1px solid var(--line);padding:16px 0}
details:last-child{padding-bottom:0}
summary{cursor:pointer;font-weight:600;font-size:15px;line-height:1.55}
details p{font-size:15px;color:var(--muted);margin:12px 0 0}
.prose{max-width:740px;padding:44px 0 64px}
.prose h1{font-size:clamp(2rem,3.8vw,3rem)}
.prose h2{font-size:1.45rem;margin-top:32px}
.prose p,.prose li{color:var(--muted)}
.prose li{margin-bottom:10px}
.footer{border-top:1px solid var(--line);padding:28px 0 32px;color:var(--muted);font-size:13px}
.footer-inner{display:flex;justify-content:space-between;gap:32px}
.footer p{margin-bottom:8px;max-width:700px}
.footer-links{display:flex;gap:20px;align-items:start;white-space:nowrap}
.footer a{color:var(--muted)}
.no-script{padding:10px 14px;background:#fbf3d9;font-size:13px;border-radius:8px;margin-top:12px}
.filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:16px}
.filter-row button{border:1px solid var(--line);border-radius:8px;background:white;padding:9px 14px;min-height:44px;font-size:14px;font-weight:500}
.filter-row button[aria-pressed=true]{background:var(--forest);color:white;border-color:var(--forest)}
[hidden]{display:none!important}
@media(max-width:1000px){.level-grid{grid-template-columns:repeat(3,1fr)}.hero{gap:32px}.guide-layout{grid-template-columns:minmax(0,1fr) 240px;gap:22px}.panel{padding:22px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:72px;gap:12px}.brand{gap:8px;font-size:14px}.brand img{width:33px;height:33px}.brand small{font-size:9px}.nav{gap:14px}.nav a{font-size:12px}.hero{grid-template-columns:1fr;padding:30px 0;gap:24px}.hero-copy h1{max-width:15ch}.hero-copy>p{font-size:16px}.hero-art{width:100%;max-width:480px;margin:auto;padding:18px}.pixel-garden{height:155px;margin:0 auto 8px}.slot-demo{max-width:295px;margin:auto}.slot-demo span{aspect-ratio:1.2}.section-heading{align-items:start;flex-direction:column;gap:8px}.level-grid{grid-template-columns:repeat(2,1fr);gap:16px}.card-body{padding:15px}.help-strip{grid-template-columns:1fr;padding:22px;gap:24px;margin-bottom:40px}.help-icon{margin-bottom:8px}.guide-layout{grid-template-columns:1fr;gap:0}.side{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.guide-head .lead{font-size:16px}.guide-head{padding-bottom:18px}.panel{padding:22px}.steps li{padding-left:32px}.footer-inner{flex-direction:column;gap:16px}.crumbs{padding-top:21px}.prose{padding-top:30px}}
@media(max-width:520px){.nav{gap:10px}.nav a{font-size:11px}.brand{font-size:13px}.brand small{font-size:8px}.brand img{width:31px;height:31px}.eyebrow{font-size:11px;margin-bottom:12px}.search-row input{padding:11px 9px}.button{padding:12px 14px}.level-grid{grid-template-columns:1fr;gap:15px}.level-card{display:grid;grid-template-columns:116px minmax(0,1fr)}.card-image{aspect-ratio:auto;height:100%;min-height:150px}.card-image img{object-fit:contain}.card-level{font-size:12px;left:8px;bottom:8px}.card-body{padding:15px}.card-body h3{font-size:14px}.card-body p{font-size:12px;margin-bottom:10px}.badge{font-size:10px}.side{display:block}.panel{padding:20px}.play-video{font-size:13px}.play-circle{width:48px;height:48px;font-size:16px}.guide-head h1{font-size:2rem}.guide-next{gap:15px}.guide-next a{font-size:13px}}
@media(max-width:360px){.header-inner{flex-wrap:wrap;padding:12px 0 5px;gap:3px}.nav{width:100%;justify-content:space-between}.nav a{font-size:12px}.search-row{flex-wrap:wrap;gap:4px}.search-row input{flex-basis:100%}.search-row .button{width:100%}.level-card{grid-template-columns:100px minmax(0,1fr)}}
@media(max-width:520px){.hero-art{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}