:root{--ink:#2a2521;--paper:#f3e8d2;--panel:#fff9ec;--muted:#6b6457;--line:#2a2521;--tomato:#ee5a3a;--amber:#f4a82c;--teal:#166e66;--grape:#6b4a9e;--pink:#ff8fb1;--green:#7fb335;--blue:#2766dc;--shadow:7px 7px 0 #2a2521;--soft-shadow:4px 4px 0 #2a2521}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink);scroll-behavior:smooth}body{margin:0;min-height:100svh;font-family:Arial,Helvetica,sans-serif;line-height:1.5;background:radial-gradient(circle at 18px 18px,rgba(42,37,33,.055) 1px,transparent 1.5px),var(--paper);background-size:28px 28px}button,input{font:inherit;color:inherit}:focus-visible{outline:4px solid #0047ff;outline-offset:3px}.site-header{align-items:center;background:rgba(243,232,210,.94);border-bottom:2px solid var(--line);display:flex;gap:18px;justify-content:space-between;padding:10px 24px;position:sticky;top:0;z-index:30}.brand{display:flex;align-items:center;gap:12px;border:0;background:transparent;font-weight:900;font-size:1rem;cursor:pointer}.brand-mark{align-items:center;background:var(--tomato);border:2px solid var(--line);border-radius:999px;display:inline-flex;height:38px;justify-content:center;width:38px}.site-header nav{display:flex;align-items:center;gap:8px}.site-header nav button{border:2px solid transparent;border-radius:999px;background:transparent;font-weight:850;padding:6px 10px;cursor:pointer}.site-header nav button:hover,.site-header nav button.active{background:var(--ink);color:var(--panel)}.screen{display:none;animation:screenIn .32s ease}.screen.active{display:block}@keyframes screenIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}.section-band{width:min(1420px,calc(100% - 40px));margin-inline:auto}.hero{min-height:410px;padding:64px 0 44px;display:grid;grid-template-columns:1.5fr .7fr;align-items:center;gap:40px}.eyebrow{font-size:.76rem;font-weight:900;letter-spacing:.1em;margin:0}.hero h1,.game-title-row h1{font-size:clamp(3.2rem,7vw,7.2rem);line-height:.88;letter-spacing:-.065em;margin:13px 0 25px}.hero h1 span,.game-title-row h1 em{color:var(--tomato);font-style:normal}.lead{font-size:clamp(1rem,1.7vw,1.35rem);max-width:830px;color:#504a42}.hero-orbit{justify-self:center;width:min(330px,30vw);aspect-ratio:1;border:3px solid var(--ink);border-radius:50%;background:var(--amber);box-shadow:var(--shadow);display:grid;place-items:center;position:relative}.hero-orbit:before,.hero-orbit:after{content:"";position:absolute;width:122%;height:36%;border:3px solid var(--ink);border-radius:50%;transform:rotate(24deg)}.hero-orbit:after{transform:rotate(-24deg)}.hero-orbit strong{font:900 7rem Georgia,serif}.hero-orbit span{position:absolute;right:6%;top:5%;font-size:3rem}.game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding-bottom:70px}.game-card{text-align:left;min-height:390px;border:2px solid var(--line);box-shadow:var(--shadow);padding:27px;cursor:pointer;position:relative;display:flex;flex-direction:column;align-items:flex-start;transition:.18s}.game-card:hover{transform:translate(-2px,-2px);box-shadow:10px 10px 0 var(--ink)}.game-card.tomato{background:#f47a60}.game-card.amber{background:#f5bd55}.game-card.teal{background:#84c9ba}.game-card.grape{background:#bea8df}.game-number{position:absolute;right:22px;top:18px;font-size:1.25rem;font-weight:900}.game-card h2{font-size:clamp(1.8rem,3vw,3rem);line-height:1.03;letter-spacing:-.04em;margin:12px 0}.game-card>p:not(.eyebrow){max-width:520px;font-size:1rem}.game-card>strong{margin-top:auto;border-bottom:3px solid var(--ink);padding-bottom:3px}.game-card>strong span{margin-left:8px}.card-doodle{height:112px;margin:8px 0 12px;position:relative;align-self:stretch}.dish-doodle{font:900 8.5rem/.6 Georgia,serif;text-align:center;transform:rotate(-8deg)}.dish-doodle i{position:absolute;left:50%;top:50%;height:56px;border-left:5px solid var(--ink);transform:rotate(-8deg)}.spectrum-doodle{display:flex;align-items:center;justify-content:center;gap:12px}.spectrum-doodle i{width:38px;height:92px;border:2px solid var(--ink);border-radius:999px;transform:rotate(16deg)}.spectrum-doodle i:nth-child(1){background:#ee5a3a}.spectrum-doodle i:nth-child(2){background:#f4a82c}.spectrum-doodle i:nth-child(3){background:#7fb335}.spectrum-doodle i:nth-child(4){background:#2766dc}.spectrum-doodle i:nth-child(5){background:#6b4a9e}.jet-doodle{font-size:4rem;display:grid;place-items:center}.jet-doodle i{position:absolute;width:43%;border-top:8px solid var(--ink)}.jet-doodle i:first-of-type{right:50%;transform:rotate(-16deg);transform-origin:right}.jet-doodle i:last-of-type{left:50%;transform:rotate(-16deg);transform-origin:left}.array-doodle i{position:absolute;width:42px;height:28px;border:5px solid var(--ink);border-top:0;border-radius:0 0 50px 50px}.array-doodle i:after{content:"";position:absolute;left:17px;top:22px;height:25px;border-left:4px solid var(--ink)}.array-doodle i:nth-child(1){left:10%;top:12%}.array-doodle i:nth-child(2){left:37%;top:42%}.array-doodle i:nth-child(3){right:30%;top:5%}.array-doodle i:nth-child(4){right:7%;top:48%}
.game-title-row{padding:42px 0 23px;display:flex;justify-content:space-between;align-items:flex-end;gap:30px}.game-title-row h1{font-size:clamp(2.7rem,5vw,5.7rem);margin:9px 0 15px}.game-title-row .lead{margin:0}.back-button{border:0;background:transparent;padding:0 0 3px;border-bottom:2px solid var(--ink);font-weight:850;cursor:pointer;margin-bottom:26px}.score-stamp{flex:none;width:140px;aspect-ratio:1;border:2px solid var(--ink);border-radius:50%;display:grid;place-content:center;text-align:center;transform:rotate(4deg);background:var(--panel);box-shadow:var(--soft-shadow)}.score-stamp span{font-size:.65rem;font-weight:900;letter-spacing:.08em}.score-stamp strong{font-size:2rem}.amber-bg{background:var(--amber)!important}.tomato-bg{background:var(--tomato)!important}.teal-bg{background:#84c9ba!important}.grape-bg{background:#bea8df!important}.game-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(340px,.7fr);gap:25px}.visual-card,.control-panel,.array-panel,.sampling-panel,.reconstruction-panel{border:2px solid var(--ink);background:var(--panel);box-shadow:var(--shadow)}.visual-card{padding:15px}.dark-well{background:#171714}.panel-heading{min-height:45px;display:flex;align-items:center;gap:12px;justify-content:space-between;font-size:.75rem;font-weight:900;letter-spacing:.06em}.dark-well .panel-heading{color:#fff}.panel-heading strong{font-size:1.15rem;letter-spacing:0;margin-left:auto}.panel-heading mark{border:2px solid var(--ink);border-radius:999px;background:var(--amber);padding:5px 9px;font-size:.65rem}#resolutionCanvas{display:block;width:100%;height:min(57vh,620px);object-fit:cover;background:#050505;border:1px solid #333}.visual-note{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:11px 4px 0;color:#fff}.visual-note span{font-size:.69rem;color:#aaa}.control-panel{padding:23px;display:flex;flex-direction:column}.giant-number{display:flex;align-items:flex-end;gap:8px;margin:16px 0 5px}.giant-number strong{font-size:clamp(4.3rem,7vw,7.5rem);line-height:.77;letter-spacing:-.075em}.giant-number span{font-size:1.6rem;font-weight:900;color:var(--teal)}.callout{border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink);padding:8px 11px;font-weight:850;transform:rotate(-1deg)}.baseline-sketch{height:105px;display:flex;align-items:center;padding:0 12px}.baseline-sketch>i{flex:1;border-top:3px dashed var(--tomato);position:relative}.baseline-sketch>i:after{content:"";position:absolute;left:50%;top:-6px;width:10px;height:10px;border-radius:50%;background:var(--tomato)}.mini-dish{width:45px;height:28px;border:4px solid var(--ink);border-top:0;border-radius:0 0 50px 50px;position:relative}.mini-dish:after{content:"";position:absolute;left:20px;top:23px;height:22px;border-left:4px solid var(--ink)}.mini-dish.right{transform:scaleX(-1)}.range-label{display:flex;justify-content:space-between;font-size:.72rem;font-weight:800;color:var(--muted)}input[type=range]{width:100%;accent-color:var(--tomato);cursor:ew-resize}.fact-pair{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:auto}.fact-pair>div{border:2px solid var(--ink);padding:10px}.fact-pair span,.fact-pair strong{display:block}.fact-pair span{font-size:.68rem;color:var(--muted)}.primary-button,.secondary-button{border:2px solid var(--ink);border-radius:8px;box-shadow:4px 4px 0 var(--ink);min-height:52px;padding:10px 15px;font-weight:900;cursor:pointer}.primary-button{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.primary-button:hover,.secondary-button:hover{transform:translateY(-1px)}.primary-button:active,.secondary-button:active{transform:translate(3px,3px);box-shadow:1px 1px 0 var(--ink)}.tiny-copy{font-size:.75rem;color:var(--muted);text-align:center}.formula-strip{margin-top:20px;margin-bottom:40px;border:2px solid var(--ink);background:var(--panel);display:flex;align-items:center;gap:20px;padding:14px 18px}.formula-strip b{font:900 1.45rem Georgia,serif;white-space:nowrap;color:var(--teal)}.formula-strip p{margin:0}
.wave-tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-bottom:20px}.wave-tabs button{border:2px solid var(--ink);background:var(--panel);box-shadow:3px 3px 0 var(--ink);padding:10px 5px;font-weight:900;cursor:pointer}.wave-tabs button small{display:block;color:var(--muted);font-size:.65rem}.wave-tabs button.active{background:var(--amber);transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}.image-well{background:#181713}.image-well .panel-heading{color:#fff}.astro-image-wrap{height:min(57vh,610px);position:relative;overflow:hidden;background:#000}.astro-image-wrap img{width:100%;height:100%;object-fit:contain;display:block;transition:opacity .18s}.image-lens{position:absolute;inset:0;pointer-events:none;border:5px solid var(--amber);opacity:0}.image-lens.show{opacity:1}.image-controls{display:flex;justify-content:space-between;align-items:center;color:#fff;padding-top:10px;font-size:.77rem}.secondary-button{background:var(--panel);min-height:40px;padding:6px 10px;box-shadow:3px 3px 0 var(--ink)}.band-panel h2,.story-panel h2{font-size:clamp(1.8rem,3vw,3rem);line-height:1.02;margin:13px 0}.big-clue{border:2px solid var(--ink);box-shadow:4px 4px 0 var(--ink);padding:15px;margin:8px 0 14px}.big-clue span,.big-clue strong{display:block}.big-clue span{font-size:.65rem;font-weight:900;letter-spacing:.08em;margin-bottom:4px}.band-panel>p:not(.eyebrow){font-size:1rem;line-height:1.6}.band-meter{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;font-size:.61rem;font-weight:850;margin-top:auto}.band-meter>i{height:9px;border:2px solid var(--ink);background:linear-gradient(90deg,#ee5a3a,#f4a82c,#7fb335,#2766dc,#6b4a9e);position:relative}.band-meter>i:after{content:"";position:absolute;width:13px;height:18px;border:2px solid var(--ink);background:white;top:50%;left:var(--position,0%);transform:translate(-50%,-50%);transition:left .3s}.source-button{display:block;margin-top:17px;border-top:2px solid var(--ink);padding-top:11px;font-weight:850;text-underline-offset:3px}.quiz-strip{border:2px solid var(--ink);background:#d9efe8;padding:13px 15px;margin-top:20px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.quiz-strip button{border:2px solid var(--ink);background:var(--panel);font-weight:850;padding:6px 10px;cursor:pointer}.quiz-strip em{font-style:normal;font-weight:850}.credit-line{font-size:.7rem;color:var(--muted);padding:13px 0 35px}.credit-line a{text-underline-offset:2px}
.step-track{display:grid;grid-template-columns:repeat(5,1fr);margin-bottom:20px}.step-track button{border:0;border-top:4px solid #948b7c;background:transparent;padding:10px 5px;display:flex;align-items:center;gap:9px;justify-content:center;font-weight:850;cursor:pointer}.step-track button i{font-style:normal;border:2px solid var(--ink);border-radius:50%;width:30px;height:30px;display:grid;place-items:center;background:var(--panel)}.step-track button.active,.step-track button.done{border-top-color:var(--teal)}.step-track button.active i,.step-track button.done i{background:#84c9ba}.agn-card{background:#191716}.agn-scene{height:min(57vh,590px);min-height:430px;position:relative;overflow:hidden;background:radial-gradient(circle,#4c3932 0,#171717 56%,#060606 100%)}.galaxy-haze{position:absolute;inset:17% 8%;border-radius:50%;background:radial-gradient(ellipse,rgba(245,189,85,.15),transparent 67%);transform:rotate(-10deg)}.black-hole{position:absolute;width:56px;height:56px;left:50%;top:50%;transform:translate(-50%,-50%);background:#000;border-radius:50%;box-shadow:0 0 0 5px rgba(255,255,255,.08),0 0 25px #000;z-index:6}.accretion-disk{position:absolute;left:50%;top:50%;width:245px;height:62px;border:13px solid #f4a82c;border-radius:50%;transform:translate(-50%,-50%) rotate(-8deg);box-shadow:0 0 25px #ee5a3a,inset 0 0 14px #fff;opacity:0;transition:.5s}.accretion-disk i{display:block;width:100%;height:100%;border:4px dashed #fff0b6;border-radius:50%;animation:spin 5s linear infinite}.gas-clouds i{position:absolute;width:34px;height:23px;border-radius:50%;background:#d1a27e;box-shadow:20px 6px 0 #9c735b;opacity:0;transition:.5s}.gas-clouds i:nth-child(1){left:19%;top:35%}.gas-clouds i:nth-child(2){left:29%;top:66%}.gas-clouds i:nth-child(3){right:19%;top:31%}.gas-clouds i:nth-child(4){right:27%;top:69%}.gas-clouds i:nth-child(5){left:47%;top:16%}.magnetic-field{position:absolute;left:50%;top:50%;width:260px;height:290px;transform:translate(-50%,-50%);opacity:0;transition:.5s}.magnetic-field i{position:absolute;left:50%;width:80px;height:100%;border:2px solid #77d6c3;border-left-color:transparent;border-right-color:transparent;border-radius:50%;transform:translateX(-50%) rotate(var(--r))}.magnetic-field i:nth-child(1){--r:0deg}.magnetic-field i:nth-child(2){--r:30deg}.magnetic-field i:nth-child(3){--r:60deg}.magnetic-field i:nth-child(4){--r:90deg}.jet{position:absolute;top:50%;height:14px;width:33%;background:linear-gradient(90deg,#fff,#68d5ff,#6b4a9e);box-shadow:0 0 20px #59c9ff;opacity:0;transition:.6s;z-index:4}.jet i{position:absolute;inset:-7px;background:repeating-linear-gradient(90deg,transparent 0 20px,rgba(255,255,255,.6) 21px 23px);animation:flow .8s linear infinite}.jet-left{right:50%;transform-origin:right;transform:rotate(-8deg)}.jet-right{left:50%;transform-origin:left;transform:rotate(-8deg)}.lobe{position:absolute;top:50%;width:25%;height:44%;border-radius:50%;background:radial-gradient(circle at 60% 50%,#ffd166,#ee5a3a 22%,#6b4a9e 57%,transparent 72%);filter:blur(4px);opacity:0;transition:.7s}.lobe-left{left:0;transform:translateY(-50%)}.lobe-right{right:0;transform:translateY(-50%) scaleX(-1)}.agn-scene.step-0 .gas-clouds i,.agn-scene.step-1 .gas-clouds i,.agn-scene.step-2 .gas-clouds i,.agn-scene.step-3 .gas-clouds i,.agn-scene.step-4 .gas-clouds i{opacity:.72}.agn-scene.step-1 .accretion-disk,.agn-scene.step-2 .accretion-disk,.agn-scene.step-3 .accretion-disk,.agn-scene.step-4 .accretion-disk{opacity:1}.agn-scene.step-2 .magnetic-field,.agn-scene.step-3 .magnetic-field,.agn-scene.step-4 .magnetic-field{opacity:.75}.agn-scene.step-3 .jet,.agn-scene.step-4 .jet{opacity:1}.agn-scene.step-4 .lobe{opacity:.95}.scene-label{position:absolute;color:white;background:#2a2521;border:1px solid white;padding:3px 6px;font-size:.65rem;font-weight:850;opacity:0;z-index:10}.label-hole{left:52%;top:55%}.label-disk{left:57%;top:66%}.label-jet{right:22%;top:42%}.label-lobe{right:5%;top:23%}.agn-scene.step-0 .label-hole,.agn-scene.step-1 .label-hole,.agn-scene.step-1 .label-disk,.agn-scene.step-2 .label-disk,.agn-scene.step-3 .label-jet,.agn-scene.step-4 .label-lobe{opacity:1}.analogy-card,.honesty-note{border:2px solid var(--ink);padding:13px;margin:13px 0}.analogy-card{background:var(--amber);transform:rotate(-.5deg);box-shadow:3px 3px 0 var(--ink)}.analogy-card span{font-size:.62rem;font-weight:900;letter-spacing:.08em}.analogy-card strong{display:block;margin-top:3px}.honesty-note{background:#e6dfed}.honesty-note b{font-size:.72rem}.honesty-note p{font-size:.75rem;margin:3px 0 0}.energy-chain{display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px;padding:13px;border:2px solid var(--ink);background:var(--panel);font-size:.72rem;font-weight:900}.energy-chain i{font-style:normal;color:var(--tomato)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes flow{to{transform:translateX(23px)}}
.interferometer-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:20px}.array-panel,.sampling-panel,.reconstruction-panel{padding:14px;min-width:0}.array-panel{border-top:12px solid var(--grape)}.sampling-panel{border-top:12px solid var(--amber)}.reconstruction-panel{border-top:12px solid var(--teal)}#arraySvg,#uvCanvas,#reconCanvas{width:100%;height:auto;display:block;border:2px solid var(--ink);background:#f7efdF}#arraySvg text{font:700 12px Arial;fill:#6b6457}.array-actions{display:flex;gap:8px;align-items:center;margin-top:11px}.array-actions .primary-button{margin:0;flex:1}.text-button{border:0;background:transparent;text-decoration:underline;font-weight:800;cursor:pointer}.sampling-panel>p,.reconstruction-panel>p{font-size:.76rem;margin-bottom:0}.interferometer-lesson{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--ink);margin-top:20px;background:var(--panel)}.interferometer-lesson>div{display:flex;gap:11px;padding:14px}.interferometer-lesson>div+div{border-left:2px solid var(--ink)}.interferometer-lesson span{flex:none;width:35px;height:35px;display:grid;place-items:center;border:2px solid var(--ink);border-radius:50%;background:var(--amber);font-weight:900}.interferometer-lesson p{font-size:.78rem;margin:0}.toast{position:fixed;z-index:50;left:50%;bottom:26px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--ink);color:white;border:2px solid white;box-shadow:5px 5px 0 var(--tomato);padding:10px 15px;font-weight:850;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1050px){.game-layout{grid-template-columns:1fr}.control-panel{min-height:520px}.interferometer-grid{grid-template-columns:1fr 1fr}.array-panel{grid-column:1/-1}.hero{min-height:350px}.hero-orbit{width:250px}.game-title-row{align-items:flex-start}.astro-image-wrap{height:60vw;max-height:600px}}
@media(max-width:720px){.site-header{padding:8px 12px}.brand>span:last-child{display:none}.site-header nav{gap:2px}.site-header nav button{padding:6px 8px}.section-band{width:min(100% - 20px,1420px)}.hero{grid-template-columns:1fr;padding-top:42px}.hero h1{font-size:3.45rem}.hero-orbit{display:none}.game-grid{grid-template-columns:1fr}.game-card{min-height:340px}.game-title-row{display:block}.game-title-row h1{font-size:3rem}.score-stamp{width:95px;margin-top:20px}.wave-tabs{overflow-x:auto;grid-template-columns:repeat(5,minmax(105px,1fr));padding-bottom:5px}.panel-heading{flex-wrap:wrap}.visual-note{display:block}.visual-note span{display:block;margin-top:3px}.interferometer-grid{grid-template-columns:1fr}.array-panel{grid-column:auto}.interferometer-lesson{grid-template-columns:1fr}.interferometer-lesson>div+div{border-left:0;border-top:2px solid var(--ink)}.step-track button{display:block}.step-track button i{margin:auto}.step-track button span{font-size:.65rem}.quiz-strip span{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Game 1: single-screen, 16:9 classroom layout */
.game1-screen.active{height:calc(100svh - 60px);min-height:650px;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:11px;padding:13px 0 12px;overflow:hidden}.g1-top{display:grid;grid-template-columns:minmax(0,1fr) auto 148px;align-items:center;gap:18px}.g1-top .back-button{margin:0 0 7px}.g1-top h1{font-size:clamp(2rem,3.4vw,4.35rem);line-height:.9;letter-spacing:-.06em;margin:4px 0 0}.g1-top h1 em{color:var(--tomato);font-style:normal}.formula-hero{min-width:285px;border:3px solid var(--ink);background:var(--amber);box-shadow:var(--soft-shadow);padding:9px 15px;transform:rotate(-1deg)}.formula-hero span,.formula-hero small,.formula-hero strong{display:block}.formula-hero span{font-size:.6rem;font-weight:900;letter-spacing:.1em}.formula-hero strong{font:900 clamp(2rem,3vw,3.25rem)/1 Georgia,serif;margin:2px 0}.formula-hero strong i{font-style:italic;color:var(--teal)}.formula-hero small{font-size:.61rem;font-weight:850}.fullscreen-button{height:72px;border:2px solid var(--ink);border-radius:9px;background:var(--panel);box-shadow:var(--soft-shadow);cursor:pointer;display:grid;grid-template-columns:34px 1fr;grid-template-rows:1fr 1fr;align-items:end;text-align:left;padding:9px}.fullscreen-button>span{grid-row:1/3;font-size:1.8rem;align-self:center}.fullscreen-button strong{font-size:.82rem}.fullscreen-button small{font-size:.59rem;color:var(--muted);align-self:start}.fullscreen-button:hover{background:#fff}.g1-stage{display:grid;grid-template-columns:270px minmax(0,1fr) 330px;gap:16px;min-height:0}.g1-stage>.visual-card,.g1-stage>.control-panel,.mission-board{min-height:0;height:100%}.mission-board{border:2px solid var(--ink);background:var(--panel);box-shadow:var(--shadow);padding:14px;display:flex;flex-direction:column}.mission-heading{display:flex;justify-content:space-between;align-items:center;padding-bottom:9px;border-bottom:2px solid var(--ink)}.mission-heading strong{font-size:.68rem;color:var(--teal)}.mission-board ol{list-style:none;padding:0;margin:9px 0;display:grid;gap:6px}.mission-board li{display:grid;grid-template-columns:32px 1fr;gap:8px;align-items:start;padding:8px;border:2px solid transparent;border-radius:7px;color:#71695e;transition:.2s}.mission-board li i{font-style:normal;width:27px;height:27px;border:2px solid #948b7c;border-radius:50%;display:grid;place-items:center;font-size:.62rem;font-weight:900}.mission-board li strong,.mission-board li span{display:block}.mission-board li strong{font-size:.78rem;line-height:1.15}.mission-board li span{font-size:.62rem;line-height:1.3;margin-top:3px}.mission-board li.active{border-color:var(--ink);background:var(--amber);color:var(--ink);box-shadow:2px 2px 0 var(--ink)}.mission-board li.active i{border-color:var(--ink);background:var(--panel)}.mission-board li.done{color:var(--ink);background:#d9efe8}.mission-board li.done i{border-color:var(--ink);background:var(--teal);color:white}.mission-board li.done i:after{content:'✓';font-size:.8rem}.mission-board li.done i{font-size:0}.single-dish-note{margin-top:auto;border-top:2px solid var(--ink);padding-top:9px}.single-dish-note b,.single-dish-note span{display:block}.single-dish-note b{font-size:.72rem;color:var(--tomato)}.single-dish-note span{font-size:.62rem;line-height:1.35;margin-top:3px}.g1-stage .visual-card{display:grid;grid-template-rows:auto minmax(0,1fr) auto}.g1-stage #resolutionCanvas{height:100%;min-height:0}.g1-stage .control-panel{padding:16px}.g1-stage .giant-number{margin:10px 0 3px}.g1-stage .giant-number strong{font-size:clamp(3.7rem,5.3vw,6.5rem)}.g1-stage .callout{margin:5px 0}.g1-stage .baseline-sketch{height:75px}.g1-stage .primary-button{min-height:47px}.g1-stage .tiny-copy{margin:7px 0 0}.g1-bottom{min-height:38px;border:2px solid var(--ink);background:#d9efe8;display:flex;align-items:center;justify-content:center;gap:14px;padding:6px 13px;font-size:.75rem}.g1-bottom strong{color:var(--teal)}.game1-screen:fullscreen{height:100svh;min-height:650px;background:radial-gradient(circle at 18px 18px,rgba(42,37,33,.055) 1px,transparent 1.5px),var(--paper);background-size:28px 28px;padding-top:13px}.game1-screen:fullscreen .section-band{width:min(1500px,calc(100% - 26px))}
@media(max-width:1120px),(max-height:700px){.game1-screen.active{height:auto;min-height:calc(100svh - 60px);overflow:visible}.g1-top{grid-template-columns:1fr auto}.formula-hero{grid-row:2;min-width:0}.fullscreen-button{grid-column:2;grid-row:1/3}.g1-stage{grid-template-columns:1fr}.mission-board{height:auto}.mission-board ol{grid-template-columns:repeat(2,1fr)}.single-dish-note{margin-top:7px}.g1-stage>.visual-card{height:620px}.g1-stage>.control-panel{height:auto;min-height:480px}.g1-bottom{margin-bottom:10px}}
@media(max-width:650px){.g1-top{grid-template-columns:1fr}.fullscreen-button{grid-column:auto;grid-row:auto;width:150px}.mission-board ol{grid-template-columns:1fr}.g1-stage>.visual-card{height:510px}.g1-bottom{display:block;text-align:center}.g1-bottom span{display:block;margin-top:3px}}
.g1-stage #resolutionCanvas{width:auto;max-width:100%;height:auto;max-height:100%;min-height:0;align-self:center;justify-self:center}

/* Game 1: mission cards + one-question answer panel */
.g1-stage{grid-template-columns:310px minmax(0,1fr) 350px}.mission-board li{padding:13px 11px;grid-template-columns:40px 1fr;gap:11px;cursor:pointer}.mission-board li i{width:36px;height:36px;font-size:.72rem}.mission-board li strong{font-size:1rem;line-height:1.12}.mission-board li span{font-size:.78rem;line-height:1.35;margin-top:5px}.mission-board ol{gap:10px}.mission-heading{display:block}.mission-heading strong{display:block;font-size:.82rem;margin-top:4px}.single-dish-note b{font-size:.88rem}.single-dish-note span{font-size:.76rem;line-height:1.4}.target-card{display:grid!important;grid-template-rows:auto minmax(0,1fr) auto!important;background:#171714!important}.target-card .panel-heading{color:#fff}.g1-image-wrap{position:relative;min-height:0;overflow:hidden;background:#000;display:grid;place-items:center}.g1-image-wrap img{display:block;width:100%;height:100%;min-height:0;object-fit:contain}.g1-image-wrap.hotspot img{width:155%;height:155%;max-width:none;max-height:none;object-fit:cover;object-position:18% 50%}.g1-image-wrap.m87-view img{object-fit:cover}.g1-image-wrap>a{position:absolute;left:10px;top:10px;z-index:3;background:rgba(255,249,236,.94);border:2px solid var(--ink);box-shadow:2px 2px 0 var(--ink);color:var(--ink);padding:5px 8px;font-size:.72rem;font-weight:900;text-decoration:none}.g1-scale-bar{position:absolute;right:13px;bottom:12px;background:rgba(0,0,0,.75);color:white;padding:6px 8px;font-size:.72rem;font-weight:850}.g1-scale-bar i{display:block;width:72px;border-top:3px solid white;margin-bottom:3px}.target-description{background:var(--panel);color:var(--ink);padding:12px 14px 9px}.target-description h2{font-size:1.35rem;line-height:1.1;margin:4px 0 5px}.target-description>p:last-child{font-size:.82rem;line-height:1.4;margin:0}.quiz-panel{padding:16px!important}.single-dish-art{height:125px;position:relative;display:grid;place-items:center;margin:3px 0 8px}.dish-bowl{width:145px;height:68px;border:8px solid var(--ink);border-top:0;border-radius:0 0 100px 100px;transform:rotate(-9deg);background:#fff}.single-dish-art>i{position:absolute;left:50%;top:70px;height:45px;border-left:7px solid var(--ink);transform:rotate(-9deg)}.single-dish-art>span{position:absolute;right:20%;top:43%;font:italic 900 1.55rem Georgia,serif;color:var(--tomato)}.quiz-panel h2{font-size:1.25rem;line-height:1.15;margin:13px 0 8px}.answer-grid{display:grid;gap:8px}.answer-grid button{border:2px solid var(--ink);background:var(--panel);box-shadow:3px 3px 0 var(--ink);min-height:46px;padding:8px 11px;display:flex;align-items:center;justify-content:space-between;text-align:left;font-weight:900;cursor:pointer}.answer-grid button span{font-size:.7rem;color:var(--muted);font-weight:700}.answer-grid button:hover{background:#fff}.answer-grid button.correct{background:#a8d9cf}.answer-grid button.wrong{background:#f5a18e}.answer-grid button:disabled{cursor:default}.answer-feedback{margin-top:10px;border:2px solid var(--ink);padding:9px 11px;background:#e9e1d4;min-height:63px}.answer-feedback.correct{background:#d9efe8}.answer-feedback.wrong{background:#ffe0d8}.answer-feedback strong,.answer-feedback span{display:block}.answer-feedback strong{font-size:.82rem}.answer-feedback span{font-size:.7rem;line-height:1.35;margin-top:2px}.quiz-panel #g1Next{margin-top:9px;min-height:44px}.g1-bottom strong{font:900 1.25rem Georgia,serif;color:var(--tomato)}
@media(max-width:1180px){.g1-stage{grid-template-columns:280px minmax(0,1fr) 320px}.mission-board li{padding:9px}.mission-board li strong{font-size:.9rem}.mission-board li span{font-size:.7rem}}
@media(max-width:1120px),(max-height:700px){.g1-stage{grid-template-columns:1fr}.target-card{height:620px!important}.quiz-panel{min-height:560px!important}.single-dish-art{height:150px}.mission-board li strong{font-size:1rem}.mission-board li span{font-size:.78rem}}

/* Game 1: denser mission stories and large classroom answer targets */
.g1-stage{grid-template-columns:355px minmax(0,1fr) 385px}
.mission-board ol{flex:1;grid-template-rows:repeat(3,minmax(0,1fr));margin:10px 0;min-height:0}
.mission-board li{height:100%;padding:13px 12px;grid-template-columns:40px 1fr;align-content:center}
.mission-board li strong{font-size:1.08rem}
.mission-board li span{font-size:.8rem;font-weight:800}
.mission-board li p{font-size:.72rem;line-height:1.35;margin:7px 0 8px}
.mission-board li small{display:inline-block;border:1.5px solid currentColor;border-radius:999px;padding:2px 7px;font-size:.6rem;font-weight:900;letter-spacing:.035em}
.single-dish-note{margin-top:0}.single-dish-note b{font-size:.78rem}.single-dish-note span{font-size:.69rem}
.quiz-panel{display:flex;flex-direction:column}
.single-dish-art{height:82px;margin:0 0 5px}
.dish-bowl{width:108px;height:49px;border-width:7px}
.single-dish-art>i{top:46px;height:30px;border-left-width:6px}
.single-dish-art>span{right:24%;top:34%;font-size:1.35rem}
.quiz-panel .fact-pair{margin-bottom:3px}
.quiz-panel h2{font-size:1.42rem;margin:8px 0 10px}
.answer-grid{flex:1;grid-template-rows:repeat(3,minmax(68px,1fr));gap:11px;min-height:224px}
.answer-grid button{min-height:68px;padding:10px 13px;display:grid;grid-template-columns:38px minmax(0,1fr) auto;gap:10px}
.answer-grid button>b{width:34px;height:34px;border:2px solid var(--ink);border-radius:50%;display:grid;place-items:center;background:var(--amber);font-size:1rem}
.answer-grid button>strong{font-size:1.38rem;line-height:1}
.answer-grid button>span{font-size:.76rem;text-align:right}
.answer-grid button:hover{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.answer-feedback{min-height:58px;margin-top:11px}.answer-feedback strong{font-size:.88rem}.answer-feedback span{font-size:.73rem}
@media(max-width:1280px){.g1-stage{grid-template-columns:325px minmax(0,1fr) 355px}.mission-board li{padding:10px}.mission-board li strong{font-size:.98rem}.mission-board li p{font-size:.66rem;margin:5px 0}.answer-grid button>strong{font-size:1.2rem}}
@media(max-width:1120px),(max-height:700px){.g1-stage{grid-template-columns:1fr}.mission-board ol{grid-template-columns:repeat(3,1fr);grid-template-rows:1fr}.mission-board li p{font-size:.72rem}.quiz-panel{min-height:600px!important}.single-dish-art{height:95px}.answer-grid{min-height:250px}}
@media(max-width:760px){.mission-board ol{grid-template-columns:1fr;grid-template-rows:repeat(3,minmax(150px,auto))}}

/* Game 00: read angular units, scale bars and apparent size */
.game-card.intro{grid-column:1/-1;min-height:310px;background:#d9efe8;display:grid;grid-template-columns:190px minmax(0,1fr) auto;grid-template-rows:auto auto 1fr auto;column-gap:28px}.game-card.intro .game-number{font-size:2rem}.game-card.intro .angle-doodle{grid-row:1/5;width:170px;height:100%;margin:0;display:grid;grid-template-columns:repeat(2,1fr);place-items:center;gap:8px}.angle-doodle b{width:72px;height:72px;border:2px solid var(--ink);border-radius:50%;display:grid;place-items:center;background:var(--panel);font:900 1.7rem Georgia,serif}.angle-doodle b:last-child{font:900 .9rem Arial,sans-serif;background:var(--amber)}.game-card.intro .eyebrow,.game-card.intro h2,.game-card.intro>p:not(.eyebrow),.game-card.intro>strong{grid-column:2}.game-card.intro h2{font-size:clamp(2rem,3.3vw,3.6rem);max-width:950px}.game-card.intro>strong{align-self:end;justify-self:start}
.game0-screen.active{height:calc(100svh - 60px);min-height:680px;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:11px;padding:13px 0 12px;overflow:hidden}.g0-top{display:grid;grid-template-columns:minmax(0,1fr) auto 148px;align-items:center;gap:18px}.g0-top .back-button{margin:0 0 7px}.g0-top h1{font-size:clamp(2.2rem,3.8vw,4.7rem);line-height:.9;letter-spacing:-.06em;margin:4px 0 0}.g0-top h1 em{color:var(--tomato);font-style:normal}.unit-equation{min-width:360px;border:3px solid var(--ink);background:#d9efe8;box-shadow:var(--soft-shadow);padding:10px 16px;transform:rotate(-1deg)}.unit-equation span,.unit-equation strong,.unit-equation small{display:block}.unit-equation span{font-size:.62rem;font-weight:900;letter-spacing:.1em}.unit-equation strong{font:900 1.72rem/1.1 Georgia,serif;color:var(--teal);margin:2px 0}.unit-equation small{font-size:.68rem;font-weight:850}
.g0-stage{display:grid;grid-template-columns:270px minmax(0,1fr) 370px;gap:16px;min-height:0}.g0-lesson-list,.g0-visual-card,.g0-quiz-panel{height:100%;min-height:0;border:2px solid var(--ink);background:var(--panel);box-shadow:var(--shadow)}.g0-lesson-list{padding:14px;display:flex;flex-direction:column;gap:9px}.g0-lesson-list>.mission-heading{margin-bottom:1px}.g0-lesson-list>button{border:2px solid transparent;border-radius:7px;background:transparent;text-align:left;padding:10px;display:grid;grid-template-columns:36px 1fr;align-items:center;gap:10px;cursor:pointer}.g0-lesson-list>button>i{font-style:normal;width:34px;height:34px;border:2px solid #948b7c;border-radius:50%;display:grid;place-items:center;font-size:.68rem;font-weight:900}.g0-lesson-list>button strong,.g0-lesson-list>button small{display:block}.g0-lesson-list>button strong{font-size:.9rem;line-height:1.12}.g0-lesson-list>button small{font-size:.68rem;color:var(--muted);margin-top:3px}.g0-lesson-list>button.active{border-color:var(--ink);background:var(--amber);box-shadow:2px 2px 0 var(--ink)}.g0-lesson-list>button.done{border-color:var(--ink);background:#d9efe8}.g0-lesson-list>button.done>i{background:var(--teal);color:white;border-color:var(--ink)}.g0-eye-note{margin-top:auto;border-top:2px solid var(--ink);padding-top:10px}.g0-eye-note b,.g0-eye-note span{display:block}.g0-eye-note b{color:var(--tomato);font-size:.8rem}.g0-eye-note span{font-size:.69rem;line-height:1.4;margin-top:3px}
.g0-visual-card{padding:14px;display:grid;grid-template-rows:auto minmax(0,1fr) auto;background:#171714}.g0-visual-card .panel-heading{color:#fff}.g0-visual{min-height:0;position:relative;overflow:hidden;background:radial-gradient(circle at center,#283747,#090b0e 70%);border:1px solid #3b3b3b;display:grid;place-items:center}.g0-caption{background:var(--panel);margin:0 -14px -14px;padding:12px 14px 13px}.g0-caption h2{font-size:1.3rem;line-height:1.08;margin:4px 0 5px}.g0-caption>p:last-child{font-size:.8rem;line-height:1.4;margin:0}
.g0-unit-ladder{width:92%;display:flex;align-items:center;justify-content:center;gap:8px;color:white}.g0-unit-ladder>div{width:112px;aspect-ratio:1;border:3px solid white;border-radius:50%;display:grid;place-content:center;text-align:center;background:rgba(238,90,58,.22)}.g0-unit-ladder>div:nth-of-type(2){width:95px;background:rgba(244,168,44,.24)}.g0-unit-ladder>div:nth-of-type(3){width:78px;background:rgba(132,201,186,.24)}.g0-unit-ladder>div:nth-of-type(4){width:64px;background:rgba(190,168,223,.25)}.g0-unit-ladder b{font:900 1.65rem Georgia,serif}.g0-unit-ladder span{display:block;font-size:.61rem;font-weight:850}.g0-unit-ladder>i{font-style:normal;font-size:.62rem;font-weight:900;color:#ffcf69;white-space:nowrap}
.g0-image-measure{position:absolute;inset:0;display:grid;place-items:center;background:#000}.g0-image-measure img{width:100%;height:100%;object-fit:contain}.g0-image-measure>a{position:absolute;left:10px;top:10px;background:rgba(255,249,236,.94);color:var(--ink);border:2px solid var(--ink);padding:5px 8px;font-size:.68rem;font-weight:900;text-decoration:none}.g0-measure{position:absolute;left:16%;right:16%;bottom:14%;height:40px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:14px auto;color:white;text-align:center;font-size:.75rem;font-weight:900;text-shadow:1px 1px #000}.g0-measure i{border-left:3px solid white;border-right:3px solid white;border-top:3px solid white}.g0-measure i+ i{border-left:0}.g0-measure span{padding-top:4px}
.g0-detail-race{width:90%;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:12px;color:white}.g0-detail-race>div{height:190px;border:2px solid white;background:#151515;display:grid;place-items:center;align-content:center;padding:10px}.g0-detail-race>div:nth-of-type(1){border-color:var(--tomato)}.g0-detail-race>div:nth-of-type(2){border-color:var(--amber)}.g0-detail-race>div:nth-of-type(3){border-color:#84c9ba}.g0-detail-race .blob{display:block;border-radius:50%;background:radial-gradient(circle,#fff 0,#ee5a3a 28%,#6b4a9e 65%,transparent 72%);margin-bottom:8px}.g0-detail-race .broad{width:100px;height:100px;filter:blur(5px)}.g0-detail-race .sharp{width:56px;height:56px;filter:blur(2px)}.g0-detail-race .tiny{width:23px;height:23px;box-shadow:0 0 0 12px rgba(244,168,44,.25)}.g0-detail-race strong{font:900 1.4rem Georgia,serif}.g0-detail-race span{font-size:.65rem;color:#ccc}.g0-detail-race>b{font-size:1.5rem;color:var(--amber)}
.g0-distance-demo{position:relative;width:92%;height:82%;color:white}.g0-distance-demo .observer{position:absolute;left:2%;top:42%;font-size:2.4rem}.sight-lines{position:absolute;left:11%;top:34%;width:78%;height:34%;clip-path:polygon(0 47%,100% 0,100% 100%,0 53%);background:rgba(244,168,44,.22);border-right:2px solid var(--amber)}.near-object,.far-object{position:absolute;display:grid;place-items:center;gap:5px}.near-object{left:36%;top:39%}.far-object{right:5%;top:17%}.near-object i,.far-object i{display:block;border-radius:50%;background:var(--tomato);box-shadow:0 0 18px var(--tomato)}.near-object i{width:43px;height:43px}.far-object i{width:132px;height:132px}.near-object strong,.far-object strong{font-size:.62rem;background:#000;padding:3px 5px}.g0-distance-demo>span{position:absolute;left:18%;bottom:4%;right:0;text-align:center;font-weight:900;color:#ffcf69}
.g0-quiz-panel{padding:17px;display:flex;flex-direction:column}.g0-quiz-panel h2{font-size:1.5rem;line-height:1.14;margin:15px 0 12px}.g0-choices{display:grid;grid-template-rows:repeat(3,minmax(70px,1fr));gap:12px;flex:1;min-height:240px}.g0-choices button{border:2px solid var(--ink);background:var(--panel);box-shadow:4px 4px 0 var(--ink);padding:10px 13px;display:grid;grid-template-columns:40px 1fr;gap:11px;align-items:center;text-align:left;cursor:pointer}.g0-choices button>b{width:36px;height:36px;border:2px solid var(--ink);border-radius:50%;display:grid;place-items:center;background:var(--amber)}.g0-choices button>strong{font-size:1.08rem}.g0-choices button:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}.g0-choices button.correct{background:#a8d9cf}.g0-choices button.wrong{background:#f5a18e}.g0-choices button:disabled{cursor:default}.g0-quiz-panel .answer-feedback{margin-top:12px}.g0-quiz-panel #g0Next{margin-top:10px}
.g0-bottom{min-height:42px;border:2px solid var(--ink);background:#d9efe8;display:flex;align-items:center;gap:14px;padding:7px 13px;font-size:.74rem}.g0-bottom strong{color:var(--teal);white-space:nowrap}.g0-bottom span{flex:1}.g0-bottom a{color:var(--ink);font-weight:850;white-space:nowrap}.game0-screen:fullscreen{height:100svh;min-height:680px;background:radial-gradient(circle at 18px 18px,rgba(42,37,33,.055) 1px,transparent 1.5px),var(--paper);background-size:28px 28px;padding-top:13px}.game0-screen:fullscreen .section-band{width:min(1500px,calc(100% - 26px))}
@media(max-width:1200px){.g0-stage{grid-template-columns:245px minmax(0,1fr) 335px}.g0-lesson-list>button{padding:8px}.g0-lesson-list>button strong{font-size:.82rem}.g0-unit-ladder>div{width:90px}.g0-unit-ladder>div:nth-of-type(2){width:78px}.g0-unit-ladder>div:nth-of-type(3){width:68px}.g0-unit-ladder>div:nth-of-type(4){width:58px}.g0-unit-ladder>i{font-size:.55rem}}
@media(max-width:1050px),(max-height:700px){.game0-screen.active{height:auto;overflow:visible}.g0-top{grid-template-columns:1fr auto}.unit-equation{grid-row:2;min-width:0}.g0-top .fullscreen-button{grid-column:2;grid-row:1/3}.g0-stage{grid-template-columns:1fr}.g0-lesson-list{height:auto}.g0-lesson-list{display:grid;grid-template-columns:repeat(2,1fr)}.g0-lesson-list .mission-heading,.g0-eye-note{grid-column:1/-1}.g0-visual-card{height:620px}.g0-quiz-panel{min-height:540px}.g0-bottom{margin-bottom:10px}}
@media(max-width:720px){.game-card.intro{grid-template-columns:1fr;display:flex;min-height:380px}.game-card.intro .angle-doodle{width:100%;height:100px;grid-row:auto;grid-template-columns:repeat(4,1fr)}.angle-doodle b{width:60px;height:60px}.g0-top{grid-template-columns:1fr}.g0-top .fullscreen-button{grid-column:auto;grid-row:auto}.g0-lesson-list{grid-template-columns:1fr}.g0-unit-ladder{display:grid;grid-template-columns:1fr auto 1fr}.g0-unit-ladder>div{width:75px!important}.g0-detail-race{gap:5px}.g0-detail-race>div{height:160px}.g0-detail-race .broad{width:70px;height:70px}.g0-bottom{align-items:flex-start;flex-wrap:wrap}.g0-bottom span{flex-basis:100%}}

/* Game 00 question 01: 3D sight-lines projected onto a 2D image */
.g0-projection{width:94%;height:82%;display:grid;grid-template-columns:minmax(0,1fr) 48px minmax(0,.9fr);align-items:center;gap:10px;color:white}.g0-projection section{height:100%;min-height:235px;border:2px solid rgba(255,255,255,.78);position:relative;overflow:hidden;background:rgba(0,0,0,.25)}.g0-projection section>strong{position:absolute;left:10px;top:9px;font-size:.68rem;letter-spacing:.1em;color:#ffcf69}.g0-projection section>small{position:absolute;left:10px;right:10px;bottom:9px;text-align:center;font-size:.62rem;color:#ddd;font-weight:800}.g0-map-arrow{font-size:2.6rem;text-align:center;color:var(--amber)}
.g0-world{perspective:420px}.g0-proj-eye{position:absolute;left:7%;top:48%;transform:translateY(-50%);font-size:2.25rem;z-index:3}.g0-rays{position:absolute;left:19%;top:23%;width:62%;height:52%}.g0-rays i{position:absolute;left:0;width:100%;border-top:3px solid var(--amber);transform-origin:left}.g0-rays i:first-child{top:50%;transform:rotate(-18deg)}.g0-rays i:last-of-type{top:50%;transform:rotate(18deg)}.g0-rays b{position:absolute;left:12%;top:42%;font:italic 900 1.6rem Georgia,serif;color:var(--tomato)}.g0-sources i{position:absolute;right:12%;border-radius:50%;background:#84c9ba;box-shadow:0 0 18px #84c9ba}.g0-sources i:first-child{width:38px;height:38px;top:21%}.g0-sources i:last-child{width:38px;height:38px;bottom:21%}
.g0-flat{transform:rotateY(-7deg);transform-origin:left}.g0-image-plane{position:absolute;inset:18% 12% 20%;border:3px solid white;background:radial-gradient(circle at 50% 50%,#283747,#090b0e 72%);box-shadow:9px 9px 0 rgba(238,90,58,.68)}.g0-image-plane>i{position:absolute;left:50%;width:24px;height:24px;border-radius:50%;background:#84c9ba;box-shadow:0 0 13px #84c9ba;transform:translate(-50%,-50%)}.g0-image-plane>i:first-child{top:28%}.g0-image-plane>i:nth-child(2){top:72%}.g0-image-plane>span{position:absolute;left:61%;top:28%;height:44%;border-left:3px solid var(--amber)}.g0-image-plane>span:before,.g0-image-plane>span:after{content:"";position:absolute;left:-7px;width:12px;border-top:3px solid var(--amber)}.g0-image-plane>span:before{top:0}.g0-image-plane>span:after{bottom:0}.g0-image-plane>b{position:absolute;left:66%;top:48%;transform:translateY(-50%);font-size:.62rem;line-height:1.1;color:#ffcf69;width:66px}
@media(max-width:720px){.g0-projection{grid-template-columns:1fr;height:96%;overflow:auto;padding:8px}.g0-map-arrow{transform:rotate(90deg);line-height:1}.g0-projection section{min-height:230px}.g0-flat{transform:none}}

/* Scientifically scaled projection diagram: the theta arc terminates on both rays */
.g0-projection{width:98%;height:96%;display:grid;place-items:center;color:white}
.g0-projection-svg{display:block;width:100%;height:100%}
.g0-projection-svg .proj-panel{fill:rgba(0,0,0,.28);stroke:rgba(255,255,255,.78);stroke-width:2}
.g0-projection-svg .proj-head{fill:#ffcf69;font:900 15px Arial,sans-serif;letter-spacing:1px}
.g0-projection-svg .proj-eye{fill:#fff9ec;stroke:#2a2521;stroke-width:3}
.g0-projection-svg .proj-pupil{fill:#2a2521}
.g0-projection-svg .proj-ray{stroke:#f4a82c;stroke-width:3}
.g0-projection-svg .proj-source,.g0-projection-svg .proj-image-dot{fill:#84c9ba;stroke:#fff;stroke-width:2}
.g0-projection-svg .proj-angle{fill:none;stroke:#ee5a3a;stroke-width:5;stroke-linecap:round}
.g0-projection-svg .proj-theta,.g0-projection-svg .proj-dp{fill:#ee5a3a;font:italic 900 31px Georgia,serif}
.g0-projection-svg .proj-note{fill:#fff;font:800 16px Arial,sans-serif}
.g0-projection-svg .proj-arrow{fill:none;stroke:#f4a82c;stroke-width:5;stroke-linecap:round;stroke-linejoin:round}
.g0-projection-svg .proj-detector{fill:#101820;stroke:#fff;stroke-width:3}
.g0-projection-svg .proj-bracket{stroke:#f4a82c;stroke-width:3}
@media(max-width:720px){.g0-projection{width:100%;height:100%;padding:0;overflow:hidden}.g0-projection-svg{min-width:670px;transform:scale(.82)}}

.g0-reading-note{width:min(620px,88%);border:3px solid white;background:var(--panel);color:var(--ink);box-shadow:8px 8px 0 var(--tomato);padding:24px 28px}.g0-reading-note h3{font-size:clamp(1.55rem,2.4vw,2.35rem);line-height:1.05;margin:9px 0 18px}.g0-reading-note>p:not(.eyebrow){font-size:1rem;line-height:1.45;margin:8px 0}.g0-reading-note>p strong{color:var(--teal)}.g0-reading-note .g0-reading-rule{border-top:2px solid var(--ink);padding-top:12px;margin-top:15px!important;font-weight:900}

/* Game 00 classroom layout: give the teaching visual the full main width */
.g0-stage{grid-template-columns:220px minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto;gap:14px}
.g0-lesson-list{grid-column:1;grid-row:1/3}
.g0-visual-card{grid-column:2;grid-row:1}
.g0-quiz-panel{grid-column:2;grid-row:2;min-height:185px;padding:13px 15px;display:grid;grid-template-columns:minmax(0,1fr) 245px 145px;grid-template-rows:auto auto minmax(88px,1fr);gap:6px 12px;align-items:stretch}
.g0-quiz-panel>.eyebrow{grid-column:1/-1;grid-row:1}.g0-quiz-panel>h2{grid-column:1/-1;grid-row:2;font-size:1.25rem;margin:0 0 3px}.g0-quiz-panel>.g0-choices{grid-column:1;grid-row:3;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:1fr;gap:9px;min-height:88px}.g0-quiz-panel>.g0-choices button{min-height:88px;padding:8px;grid-template-columns:32px 1fr;gap:8px}.g0-quiz-panel>.g0-choices button>b{width:30px;height:30px}.g0-quiz-panel>.g0-choices button>strong{font-size:.9rem;line-height:1.18}.g0-quiz-panel>.answer-feedback{grid-column:2;grid-row:3;margin:0;min-height:88px}.g0-quiz-panel>#g0Next{grid-column:3;grid-row:3;margin:0;min-height:88px}.g0-projection-svg{min-height:0}.g0-projection-svg .proj-dp{font:900 18px Arial,sans-serif}.g0-caption h2{font-size:1.42rem}.g0-caption>p:last-child{font-size:.86rem}
@media(max-width:1100px),(max-height:700px){.game0-screen.active{height:auto;overflow:visible}.g0-stage{grid-template-columns:1fr;grid-template-rows:auto}.g0-lesson-list,.g0-visual-card,.g0-quiz-panel{grid-column:1;grid-row:auto}.g0-lesson-list{display:grid;grid-template-columns:repeat(2,1fr)}.g0-lesson-list .mission-heading,.g0-eye-note{grid-column:1/-1}.g0-visual-card{height:680px}.g0-quiz-panel{display:grid;grid-template-columns:1fr;grid-template-rows:auto;min-height:560px}.g0-quiz-panel>.eyebrow,.g0-quiz-panel>h2,.g0-quiz-panel>.g0-choices,.g0-quiz-panel>.answer-feedback,.g0-quiz-panel>#g0Next{grid-column:1;grid-row:auto}.g0-quiz-panel>.g0-choices{grid-template-columns:1fr;grid-template-rows:repeat(3,minmax(76px,1fr))}.g0-quiz-panel>#g0Next{min-height:56px}}

/* Game 00 question 01: centred full-frame diagram with a visible pixel grid */
.g0-projection{position:absolute;inset:0;width:100%;height:100%;padding:6px;display:flex;align-items:center;justify-content:center}
.g0-projection-svg{width:100%;height:100%;margin:auto;transform:none}
.g0-projection-svg .proj-pixel-grid{fill:none;stroke:rgba(255,255,255,.28);stroke-width:1.5}
.g0-projection-svg .proj-one-pixel{fill:rgba(244,168,44,.38);stroke:#f4a82c;stroke-width:4}
.g0-projection-svg .proj-pixel-label{fill:#ffcf69;font:900 15px Arial,sans-serif;letter-spacing:.8px}
.g0-projection-svg .proj-pixel-pointer{fill:none;stroke:#f4a82c;stroke-width:3;stroke-linecap:round}
@media(max-width:720px){.g0-projection{position:absolute;padding:4px}.g0-projection-svg{min-width:0;transform:none}}

.g0-m87-measure{position:absolute;inset:0;display:grid;place-items:center;background:#050000}.g0-m87-frame{position:relative;height:100%;max-width:100%;aspect-ratio:4000/2330}.g0-m87-frame>img{display:block;width:100%;height:100%;object-fit:contain}.g0-m87-frame>a{position:absolute;left:12px;top:12px;background:rgba(255,249,236,.94);color:var(--ink);border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink);padding:6px 9px;font-size:.72rem;font-weight:900;text-decoration:none}.g0-ring-width{position:absolute;left:35.5%;top:50%;width:29%;color:white;text-align:center}.g0-ring-width>i{display:block;width:100%;border-top:3px solid white;position:relative}.g0-ring-width>i:before,.g0-ring-width>i:after{content:"";position:absolute;top:-9px;height:16px;border-left:3px solid white}.g0-ring-width>i:before{left:0}.g0-ring-width>i:after{right:0}.g0-ring-width>strong{display:inline-block;margin-top:7px;background:rgba(0,0,0,.82);border:1px solid white;padding:4px 7px;font-size:.8rem;letter-spacing:.04em}.g0-image-detail{position:absolute;right:14px;bottom:14px;background:var(--amber);color:var(--ink);border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink);padding:8px 11px}.g0-image-detail span,.g0-image-detail strong{display:block}.g0-image-detail span{font-size:.6rem;font-weight:900;letter-spacing:.07em}.g0-image-detail strong{font:900 1.25rem Georgia,serif;margin-top:2px}
.g0-image-measure-content{position:absolute;inset:0;display:grid;place-items:center}.g0-scale-svg{display:block;width:90%;height:90%;overflow:visible}.g0-scale-line{fill:none;stroke:#fff;stroke-width:3;vector-effect:non-scaling-stroke}.g0-scale-text{fill:#fff;stroke:#000;stroke-width:4;paint-order:stroke;dominant-baseline:middle;text-anchor:middle;font:900 22px Arial,sans-serif}
.multiwave-takeaway{margin-top:20px;border:2px solid var(--ink);background:var(--amber);box-shadow:4px 4px 0 var(--ink);padding:13px 16px;display:flex;align-items:flex-start;gap:14px}.multiwave-takeaway strong{flex:none}.multiwave-takeaway span{font-size:.82rem;line-height:1.45}
.hotspot{position:absolute;width:20px;height:20px;border:3px solid #fff;border-radius:50%;background:#ffd166;box-shadow:0 0 8px #fff,0 0 24px #ffd166,0 0 40px #ee5a3a;opacity:0;transition:.7s;z-index:7}.hotspot-left{left:17%;top:54.6%;transform:translate(-50%,-50%)}.hotspot-right{right:17%;top:45.4%;transform:translate(50%,-50%)}.label-hotspot{right:13%;top:49%}.agn-scene.step-4 .hotspot,.agn-scene.step-4 .label-hotspot{opacity:1}

/* Game 02: readable magnetic-field-line diagram */
.magnetic-field{left:50%;top:50%;width:92%;height:64%;transform:translate(-50%,-50%) rotate(-8deg);z-index:2}
.magnetic-field svg{display:block;width:100%;height:100%;overflow:visible}
.field-line,.field-twist{fill:none;stroke:#78ead5;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke;filter:drop-shadow(0 0 5px rgba(120,234,213,.9))}
.field-line{stroke-width:3}.field-line.inner{stroke-width:2.5;opacity:.9}.field-line.outer{opacity:.72}
.field-twist{stroke:#c5fff2;stroke-width:3.2;stroke-dasharray:10 8;animation:fieldFlow 2.2s linear infinite}
.field-twist.second{animation-direction:reverse;opacity:.78}
.label-field{left:7%;top:24%;max-width:145px;color:#d9fff7;border-color:#78ead5}
.agn-scene.step-2 .label-field{opacity:1}
@keyframes fieldFlow{to{stroke-dashoffset:-36}}

/* Keep the disk perpendicular to the left–right jet axis. */
.accretion-disk{transform:translate(-50%,-50%) rotate(82deg)}
.field-line{stroke-width:3.2;opacity:.82}
.field-line.inner{stroke-width:2.6;opacity:.95}
.label-disk{left:53%;top:76%}

/* Game 03 mission 02: avoid collision with the Game 02 hotspot markers. */
.g1-image-wrap.hotspot-view img{width:155%;height:155%;max-width:none;max-height:none;object-fit:cover;object-position:18% 50%}

/* Game 03: source-coordinate annotations stay aligned at every screen size. */
.g1-calibrated-view{display:none;width:100%;height:100%;min-height:0}
.g1-image-wrap.hotspot-view>img,.g1-image-wrap.m87-view>img{display:none}
.g1-image-wrap.hotspot-view .g1-hotspot-view,.g1-image-wrap.m87-view .g1-m87-view{display:block}
.g1-image-wrap.hotspot-view .g1-scale-bar,.g1-image-wrap.m87-view .g1-scale-bar{display:none}
.g1-hotspot-ring{fill:none;stroke:#fff;stroke-width:4;vector-effect:non-scaling-stroke;filter:drop-shadow(0 0 5px #000) drop-shadow(0 0 8px #f4a82c)}
.g1-annotation-line,.g1-image-scale,.g1-ring-diameter{fill:none;stroke:#fff;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke;filter:drop-shadow(0 0 4px #000)}
.g1-annotation-text,.g1-scale-text,.g1-ring-text{fill:#fff;stroke:#000;stroke-width:5;paint-order:stroke;stroke-linejoin:round;font:900 22px Arial,sans-serif;letter-spacing:1px}
.g1-scale-text{font-size:20px}.g1-ring-diameter{stroke-width:4}.g1-ring-text{font-size:94px;letter-spacing:4px}

/* Game 04: distinguish real measurements from conjugate mirror locations. */
.simulation-note{display:block;margin-top:8px;border-top:1px solid #b6ad9f;padding-top:7px;color:var(--muted);font-size:.7rem;line-height:1.45}.g4-uv-legend{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:10px;font-size:.72rem;font-weight:800}.g4-uv-legend span{display:flex;align-items:center;gap:7px}.g4-dot{display:inline-block;width:11px;height:11px;border-radius:50%}.g4-dot.measured{background:#2766dc}.g4-dot.mirror{border:2px solid #ee5a3a;background:transparent}

/* Game 02 step 04: the bipolar jets must move away from the centre. */
.jet-left i{animation:jetFlowLeft .8s linear infinite}.jet-right i{animation:jetFlowRight .8s linear infinite}
.jet-left:before,.jet-right:after{content:"";position:absolute;top:50%;width:0;height:0;transform:translateY(-50%);filter:drop-shadow(0 0 7px #68d5ff)}
.jet-left:before{left:-18px;border-top:14px solid transparent;border-bottom:14px solid transparent;border-right:20px solid #68d5ff}
.jet-right:after{right:-18px;border-top:14px solid transparent;border-bottom:14px solid transparent;border-left:20px solid #6b4a9e}
@keyframes jetFlowLeft{to{background-position:-23px 0}}@keyframes jetFlowRight{to{background-position:23px 0}}

/* Game 04: the array and the u–v plane are the two main views. */
.interferometer-grid{grid-template-columns:1fr 1fr}.g4-pipeline{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:19px;border:2px solid var(--ink);background:#fff9ec;padding:10px 13px;box-shadow:var(--soft-shadow)}.g4-pipeline span{display:flex;align-items:center;gap:6px;border:2px solid var(--ink);padding:7px 9px;font-size:.68rem;font-weight:900;white-space:nowrap}.g4-pipeline span b{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--amber)}.g4-pipeline .g4-algorithm{background:#bea8df;box-shadow:3px 3px 0 var(--ink)}.g4-pipeline>strong{color:var(--tomato);font-size:1.25rem}.interferometer-lesson{grid-template-columns:repeat(3,1fr)}
@media(max-width:1050px){.g4-pipeline{flex-wrap:wrap}.interferometer-grid{grid-template-columns:1fr}.array-panel{grid-column:auto}.interferometer-lesson{grid-template-columns:repeat(2,1fr)}.interferometer-lesson>div:nth-child(3){border-left:0;border-top:2px solid var(--ink)}}
@media(max-width:720px){.g4-pipeline{justify-content:flex-start}.interferometer-grid{grid-template-columns:1fr}.interferometer-lesson{grid-template-columns:1fr}.interferometer-lesson>div+div{border-left:0;border-top:2px solid var(--ink)}}

.fact-pair #g1ResolutionRad{display:block;margin-top:3px;color:var(--tomato);font-size:.72rem;font-weight:900;white-space:nowrap}

/* One consistent approximate angular scale for both Cygnus A missions. */
.g1-image-wrap:not(.m87-view)>img{display:none}
.g1-image-wrap:not(.m87-view) .g1-hotspot-view{display:block}
.g1-hotspot-markers,.g1-ten-arcsec-marker{display:none}
.g1-one-arcmin-marker{display:block}
.g1-image-wrap.hotspot-view .g1-hotspot-markers,.g1-image-wrap.hotspot-view .g1-ten-arcsec-marker{display:block}
.g1-image-wrap.hotspot-view .g1-one-arcmin-marker{display:none}
.g1-image-wrap .g1-scale-bar{display:none}

/* Consistent fullscreen controls, including the overview and recap. */
.home-fullscreen{width:150px;margin-top:24px}
.home-summary-link,.summary-next{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:30px;border:2px solid var(--ink);background:var(--panel);padding:13px 17px;font-weight:850}
.home-summary-link .secondary-button,.summary-next .secondary-button{cursor:pointer}
.game-title-actions{display:flex;align-items:center;gap:18px;flex:none}
.game-title-actions .fullscreen-button{width:150px;flex:none;align-self:center}
.screen:fullscreen{background:radial-gradient(circle at 18px 18px,rgba(42,37,33,.055) 1px,transparent 1.5px),var(--paper);background-size:28px 28px;overflow:auto}
.home-screen:fullscreen,.summary-screen:fullscreen,#game1:fullscreen,#game2:fullscreen,#game4:fullscreen{height:100svh;min-height:100svh;padding-bottom:26px}
.screen:fullscreen .section-band{width:min(1500px,calc(100% - 28px))}
.summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;padding-bottom:23px}
.summary-grid article{display:flex;flex-direction:column;min-height:215px;border:2px solid var(--ink);box-shadow:var(--soft-shadow);background:var(--panel);padding:19px}
.summary-grid article:nth-child(1){background:#f47a60}.summary-grid article:nth-child(2){background:#f5bd55}.summary-grid article:nth-child(3){background:#84c9ba}.summary-grid article:nth-child(4){background:#bea8df}.summary-grid article:nth-child(5){background:#d9efe8}
.summary-grid article>span{font-size:.7rem;font-weight:900;letter-spacing:.08em}.summary-grid h2{font-size:clamp(1.35rem,2vw,2rem);line-height:1.05;margin:8px 0}.summary-grid p{font-size:.84rem;line-height:1.4;margin:0 0 15px}.summary-grid button{margin-top:auto;align-self:flex-start;border:0;border-bottom:2px solid var(--ink);background:transparent;font-weight:900;cursor:pointer;padding:2px 0}
.summary-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:30px;border:2px solid var(--ink);background:var(--panel);padding:12px 16px;font-size:.85rem}.summary-bottom strong{color:var(--teal)}
@media(max-width:1100px){.game-title-actions{flex-direction:column;align-items:flex-end}.game-title-actions .score-stamp{width:95px}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.game-title-actions{flex-direction:row;align-items:center;justify-content:space-between;margin-top:18px}.game-title-actions .fullscreen-button{width:145px}.summary-grid{grid-template-columns:1fr}.home-summary-link,.summary-next,.summary-bottom{flex-direction:column;align-items:flex-start}}
.site-outreach-footer{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:22px max(20px,calc((100% - 1420px)/2));border-top:2px solid var(--ink);font-size:.75rem;font-weight:850}.site-outreach-footer a{color:var(--ink)}
@media(max-width:720px){.site-outreach-footer{flex-direction:column;align-items:flex-start}}