:root{color-scheme:light;color:#241c23;font-synthesis:none;background:#fff4dc;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{overflow-wrap:anywhere;min-width:280px;margin:0;line-height:1.55}a{color:inherit}button,input,select{font:inherit}button,.button{min-height:44px}:focus-visible{outline-offset:4px;outline:3px solid #241c23}::selection{color:#241c23;background:#f06b91}.shell{width:min(100% - 40px,1120px);margin-inline:auto}.skip-link{z-index:20;background:#fff;border:2px solid #241c23;padding:10px 16px;position:absolute;top:-100px;left:12px}.skip-link:focus{top:12px}.site-header{background:#fff4dc;border-bottom:2px solid #241c23}.header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:78px;display:flex}.brand{letter-spacing:-.06em;white-space:nowrap;align-items:center;gap:9px;font-size:1.55rem;font-weight:900;text-decoration:none;display:inline-flex}.brand-icon{width:38px;height:38px;display:inline-flex;transform:rotate(-8deg)}.brand-icon svg{width:100%;height:100%}.brand-accent{color:#a92853}.main-nav,.site-footer nav{flex-wrap:wrap;align-items:center;gap:8px 26px;display:flex}.main-nav a,.site-footer a{text-underline-offset:5px;font-size:.95rem;font-weight:750;text-decoration-thickness:2px}.main-nav a{text-decoration:none}.main-nav a:hover,.main-nav a[aria-current=page]{text-decoration:underline}.site-footer{background:#f7cf65;border-top:2px solid #241c23;margin-top:90px}.footer-inner{justify-content:space-between;align-items:center;gap:16px 36px;padding-block:24px;display:flex}.footer-inner p{margin:0;font-size:.93rem}.eyebrow{overflow-wrap:anywhere;letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:8px;min-width:0;margin:0 0 18px;font-size:.8rem;font-weight:850;display:inline-flex}.eyebrow:before{content:"";background:#a92853;border-radius:50%;flex:none;width:9px;height:9px}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.05em;overflow-wrap:anywhere;line-height:1.08}h1{font-size:clamp(3.1rem,7vw,6.7rem);font-weight:900}h2{font-size:clamp(2rem,4vw,3.4rem);font-weight:900}h3{font-size:clamp(1.3rem,2.5vw,1.8rem);font-weight:850}.lead{max-width:58ch;font-size:clamp(1.08rem,2vw,1.3rem);line-height:1.5}.button{background:#f06b91;border:2px solid #241c23;border-radius:10px;justify-content:center;align-items:center;gap:12px;padding:13px 20px;font-weight:850;line-height:1.2;text-decoration:none;transition:transform .15s,box-shadow .15s;display:inline-flex;box-shadow:4px 4px #241c23}.button:hover{transform:translate(2px,2px);box-shadow:2px 2px #241c23}.button:active{transform:translate(4px,4px);box-shadow:0 0 #241c23}.button-secondary{background:#fffdf6}.button-row{flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px;display:flex}.hero{padding-block:clamp(54px,9vw,112px) 72px}.hero-grid{grid-template-columns:minmax(0,1.12fr) minmax(280px,.88fr);align-items:center;gap:clamp(34px,7vw,90px);display:grid}.hero h1{max-width:11ch;margin-bottom:22px}.hero .lead{max-width:39ch}.hero-note{color:#54434c;margin-top:22px;font-size:.94rem}.stack-scene{place-items:center;min-height:450px;display:grid;position:relative}.stack-scene:before{content:"";aspect-ratio:1;background:#f7cf65;border-radius:50%;width:82%;position:absolute}.scene-card{background:#fffdf6;border:3px solid #241c23;border-radius:18px;flex-direction:column;justify-content:space-between;width:min(88%,355px);min-height:395px;padding:25px;display:flex;position:relative;transform:rotate(5deg);box-shadow:12px 13px #241c23}.scene-card:before{content:"";z-index:-1;background:#f06b91;border:3px solid #241c23;border-radius:18px;position:absolute;inset:5px;transform:translate(-18px,13px)rotate(-8deg)}.scene-top,.scene-bottom{letter-spacing:.12em;text-transform:uppercase;justify-content:space-between;align-items:center;gap:12px;font-size:.72rem;font-weight:850;display:flex}.scene-seal{background:#f7cf65;border:2px solid #241c23;border-radius:50%;place-items:center;width:70px;height:70px;display:grid;transform:rotate(-12deg)}.scene-seal svg{width:52px;height:52px}.scene-card strong{letter-spacing:-.06em;overflow-wrap:normal;font-size:clamp(1.65rem,3.6vw,2.75rem);line-height:1;display:block}.scene-bottom{border-top:2px solid #241c23;padding-top:14px}.scene-bottom span:first-child{white-space:nowrap}.scene-bottom span:last-child{text-align:right}.section{padding-block:70px}.section-heading{max-width:650px;margin-bottom:34px}.section-heading p:last-child{font-size:1.1rem}.feature-panel{background:#fffdf6;border:2px solid #241c23;border-radius:18px;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);display:grid;overflow:hidden;box-shadow:7px 7px #241c23}.feature-panel+.feature-panel{margin-top:30px}.bivio-feature .feature-art{background:#f7cf65}.feature-content{padding:clamp(26px,5vw,54px)}.feature-content h3{font-size:clamp(2.3rem,4vw,3.7rem)}.feature-art{background:#f06b91;border-left:2px solid #241c23;flex-direction:column;justify-content:space-between;min-height:310px;padding:35px;display:flex}.feature-art p{letter-spacing:-.055em;max-width:13ch;margin:0;font-size:clamp(2rem,4vw,3.5rem);font-weight:900;line-height:1.06}.feature-art span{background:#fff4dc;border:2px solid #241c23;border-radius:40px;align-self:flex-end;padding:7px 15px;font-weight:800;transform:rotate(-8deg)}.pills{flex-wrap:wrap;gap:8px;margin:18px 0 26px;padding:0;list-style:none;display:flex}.pills li{border:1.5px solid #241c23;border-radius:100px;padding:5px 12px;font-size:.84rem;font-weight:750}.steps-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.step-card{background:#fffdf6;border:2px solid #241c23;border-radius:14px;min-height:220px;padding:26px}.step-card:nth-child(2){background:#f7cf65}.step-card:nth-child(3){background:#ffd9e4}.step-number{border:2px solid #241c23;border-radius:50%;place-items:center;width:38px;height:38px;margin-bottom:24px;font-weight:900;display:inline-grid}.step-card h3{margin-bottom:10px}.step-card p{margin:0}.page-intro{padding-block:65px 34px}.page-intro h1{max-width:14ch;margin-bottom:20px;font-size:clamp(2.9rem,6vw,5rem)}.content-grid{grid-template-columns:minmax(0,2fr) minmax(240px,1fr);align-items:start;gap:50px;display:grid}.prose{max-width:69ch;font-size:1.07rem}.prose h2{margin-block:36px 14px;font-size:1.65rem}.prose h3{margin-block:26px 10px;font-size:1.25rem}.prose p,.prose li{line-height:1.7}.prose ul,.prose ol{padding-left:1.35rem}.prose a{text-underline-offset:3px;text-decoration-thickness:2px}.aside-card{background:#f7cf65;border:2px solid #241c23;border-radius:12px;padding:24px}.aside-card h2{font-size:1.35rem}.aside-card p:last-child{margin-bottom:0}.empty-state{max-width:650px;padding-block:90px}.empty-state h1{margin-bottom:20px}@media (width<=760px){.header-inner{flex-wrap:wrap;gap:9px 18px;min-height:70px;padding-block:13px}.brand{font-size:1.4rem}.brand-icon{width:34px;height:34px}.main-nav{gap:10px 16px}.main-nav a{font-size:.86rem}.hero-grid,.feature-panel,.content-grid{grid-template-columns:1fr}.hero{padding-top:53px}.stack-scene{min-height:390px}.scene-card{min-height:340px}.feature-art{border-top:2px solid #241c23;border-left:0;min-height:230px}.steps-grid{grid-template-columns:1fr}.step-card{min-height:0}.footer-inner{flex-direction:column;align-items:flex-start}}@media (width<=390px){.shell{width:min(100% - 28px,1120px)}.main-nav a{font-size:.8rem}.button{width:100%}.stack-scene{min-height:345px}.scene-card{min-height:305px}}@media (prefers-reduced-motion:reduce){.button{transition:none}}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.game-intro{padding-bottom:45px}.game-layout{grid-template-columns:minmax(0,1.3fr) minmax(270px,.7fr);align-items:start;gap:clamp(24px,5vw,62px);display:grid}.game-area{min-width:0}#alibi-app{min-height:400px}.game-rules{background:#f7cf65;border:2px solid #241c23;border-radius:14px;min-width:0;padding:26px}.game-rules h2{font-size:1.6rem}.game-rules ol{padding-left:1.35rem}.game-rules li{margin:0 0 12px}.rules-example{background:#fffdf6;border:2px solid #241c23;border-radius:9px;margin-top:26px;padding:18px}.rules-example p{margin:9px 0;font-weight:700}.rules-example small{font-size:.9rem}.game-panel{background:#fffdf6;border:2px solid #241c23;border-radius:16px;min-height:400px;padding:clamp(22px,4vw,38px);box-shadow:7px 7px #241c23}.game-panel h2{font-size:clamp(2rem,4vw,3.3rem)}#bivio-app{min-height:400px}.bivio-card{background:#f7cf65}.bivio-options{gap:10px;display:grid}.bivio-options p{background:#fffdf6;border:2px solid #241c23;border-radius:8px;margin:0;padding:12px}.bivio-options strong{border:2px solid #241c23;border-radius:50%;place-items:center;width:30px;height:30px;margin-right:6px;display:inline-grid}.bivio-count{gap:8px;max-width:300px;margin-top:26px;font-weight:800;display:grid}.bivio-count select{color:#241c23;background:#fff;border:2px solid #241c23;border-radius:8px;min-height:46px;padding:8px 12px}.game-panel>p{max-width:55ch}.game-notice{background:#ffd9e4;border-left:5px solid #a92853;padding:12px 15px;font-weight:700}.setup-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-block:28px;display:grid}.setup-grid label{gap:6px;font-weight:800;display:grid}.setup-grid select{color:#241c23;background:#fff;border:2px solid #241c23;border-radius:8px;width:100%;min-height:46px;padding:8px 12px}.setup-summary{font-weight:750}.game-progress{text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid #241c23;flex-wrap:wrap;justify-content:space-between;gap:7px 16px;margin-bottom:28px;padding-bottom:11px;font-size:.86rem;font-weight:850;display:flex}.game-stage .eyebrow{margin-bottom:12px}.game-stage>p{max-width:56ch}.challenge-card{background:#f06b91;border:2px solid #241c23;border-radius:14px;padding:clamp(20px,4vw,34px);box-shadow:5px 5px #241c23}.challenge-top{letter-spacing:.12em;font-size:.77rem;font-weight:900}.challenge-card h2{margin-block:25px;font-size:clamp(1.8rem,3.5vw,2.8rem)}.challenge-card p{margin-bottom:9px;font-weight:750}.word-list{flex-wrap:wrap;gap:9px;margin:0;padding:0;list-style:none;display:flex}.word-list li{background:#fffdf6;border:2px solid #241c23;border-radius:100px;padding:6px 12px;font-weight:850}.challenge-card+p,.challenge-card+.timer-line{margin-top:26px}.timer-line{border-bottom:2px solid #241c23;justify-content:space-between;align-items:center;gap:15px;padding:10px 0;font-weight:800;display:flex}.timer-line strong{font-variant-numeric:tabular-nums;font-size:2rem}.game-result{font-weight:750}.text-button{color:#241c23;text-underline-offset:4px;cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;min-height:44px;padding:6px 3px;font-weight:800;text-decoration:underline;display:inline-flex}.game-exit{border-top:1px solid #c7bcb1;margin-top:32px;padding-top:14px}.share-fallback{gap:7px;margin-top:24px;font-weight:800;display:grid}.share-fallback input{border:2px solid #241c23;border-radius:7px;width:100%;min-width:0;padding:10px}dialog{color:#241c23;background:#fffdf6;border:3px solid #241c23;border-radius:14px;width:min(100% - 32px,480px);padding:30px;box-shadow:8px 8px #241c23}dialog::backdrop{background:#241c23b3}dialog h2{font-size:2rem}@media (width<=850px){.game-layout{grid-template-columns:1fr}}@media (width<=390px){.setup-grid{grid-template-columns:1fr}.game-panel{padding:20px}}