:root{color-scheme:dark;--bg:#0b0e14;--surface:#121823;--raised:#192231;--text:#f5f7fb;--muted:#aab5c6;--line:#2a3548;--accent:#2979ff;--on-accent:#061326;--code:#2979ff;--shadow:rgba(0,0,0,.2);font-family:'Segoe UI',Arial,sans-serif;font-synthesis:none}html[data-theme=light]{color-scheme:light;--bg:#f3f6fb;--surface:#e6edf7;--raised:#fafcff;--text:#162238;--muted:#4c607d;--line:#c1cde0;--accent:#1d5fd0;--on-accent:#ffffff;--code:#1d5fd0;--shadow:rgba(49,48,32,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--bg);color:var(--text);line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid 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@media(prefers-reduced-motion:no-preference){.hero-copy{animation:enter .65s both}.hero-visual{animation:enter .8s .12s both}@keyframes enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}}
@media(min-width:1450px){.hero-visual img{height:435px}.hero{padding-block:65px 52px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.header{gap:25px}.desktop-nav{gap:18px;font-size:12px}.brand img{width:180px}html[data-theme=light] .brand img{width:160px}.nav-tools{gap:14px}.hero{gap:25px}.hero h1{font-size:58px}.hero-actions{gap:18px}.hero-actions .button{padding-inline:17px}.hero-visual img{height:370px}.hero-description{font-size:14px}.demo-layout{gap:55px}.archive-layout{gap:45px}.story{column-gap:55px}.faq{gap:45px}.release{padding:28px}.library-controls{align-items:stretch;flex-direction:column;gap:18px}.search-field input{width:100%;max-width:330px}}
@media(max-width:767px){.wrap{width:calc(100% - 40px)}.section{padding-block:65px}.header{height:72px;gap:18px}.brand img{width:174px}.nav-tools{gap:18px}.desktop-nav,.nav-tools>.button{display:none}.theme-toggle{font-size:11px}.menu-toggle{display:block;font-size:12px}.mobile-nav{top:72px}.hero{grid-template-columns:1fr;gap:30px;padding-block:42px 30px}.hero .eyebrow{font-size:10px;margin-bottom:20px}.hero h1{font-size:clamp(49px,10.8vw,70px)}.hero-description{max-width:380px;margin-top:20px;font-size:14px}.hero-actions{margin-top:25px;gap:24px}.hero-visual img{height:auto;aspect-ratio:3/2;max-height:380px}.hero-visual figcaption{font-size:9px}.artifact-strip{gap:22px 15px;grid-template-columns:1fr 1fr 1fr;padding-block:22px}.artifact-strip strong{font-size:20px}.artifact-strip span{font-size:8px}.artifact-strip>p{grid-column:1/-1;border:0;border-top:1px solid var(--line);padding:15px 0 0;font-size:11px}.artifact-strip>p br{display:none}.story,.demo-layout,.archive-layout,.faq{grid-template-columns:1fr;gap:30px}.story-title>p{font-size:14px}.story-body>p{font-size:13px}.quote{flex-wrap:wrap;column-gap:15px;row-gap:12px;padding-top:28px}.quote blockquote{font-size:22px}.quote-mark{font-size:65px}.quote p{margin-left:36px;max-width:none}.quote a{margin:0 0 0 36px;font-size:10px}.demo{padding:24px}.demo-layout{gap:35px}.demo-copy>p{max-width:100%}.game-list{grid-template-columns:1fr}.game{padding:14px 0}.game-name{font-size:13px}.game-system{font-size:9px}.library-controls{margin-top:25px}.filters{gap:7px}.filter{padding:8px 11px;font-size:10px}.search-field input{max-width:none}.archive-layout{margin-top:30px;gap:40px}.release{position:static;padding:25px}.release h3{font-size:31px}.release-info{grid-template-columns:1fr 1fr}.timeline article{padding-left:24px}.timeline p{max-width:none}.faq{gap:18px}.faq h2{max-width:none}.questions summary{font-size:13px}.closing{padding:15px 0 60px}.footer{flex-wrap:wrap;gap:10px 20px;padding-block:24px}.footer p{order:3;width:100%;margin:0}.footer .text-button{margin-left:auto}.footer-brand{font-size:10px}dialog{padding:36px 24px}dialog h2{font-size:31px}html[data-theme=light] .brand img{width:154px}html[data-theme=light] .brand{padding:5px 8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.footer>a:not(.footer-brand){font-size:10px;color:var(--muted);white-space:nowrap}.footer>a:hover{color:var(--accent)}.subpage{padding-block:35px 100px}.breadcrumb{font-size:11px;color:var(--muted)}.breadcrumb:hover{color:var(--accent)}.subpage-intro{padding:48px 0 60px;max-width:800px}.subpage-intro h1{font-size:clamp(42px,4.9vw,68px);line-height:1.06;letter-spacing:-.055em}.subpage-intro h1 span{color:var(--accent)}.subpage-intro>p:last-child{font-size:15px;margin-top:24px;max-width:560px}.download-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:start}.download-release{position:static}.download-release h2{font-size:32px;margin-top:25px}.download-release .download-caution{font-size:12px;padding-top:20px;border-top:1px solid var(--line)}.download-release .text-link{margin-top:22px}.download-details h2,.verify-section h2,.guide-content h2,.prose h2{font-size:30px}.download-details section>p,.verify-section>p{font-size:13px;margin-top:17px;max-width:600px}.file-row{padding:20px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:5px}.file-row code{color:var(--accent);font-size:14px}.file-row span{color:var(--muted);font-size:11px}.source-block{padding-top:42px}.source-block .text-link{display:flex;margin-top:18px;font-size:12px}.verify-section{margin-top:70px;border-top:1px solid var(--line);padding-top:42px;max-width:650px}.verify-section label{display:block;margin:28px 0 10px;font-size:12px}.verify-section input[type=file]{display:block;max-width:100%;font-size:12px;color:var(--muted)}.verify-section input[type=file]::file-selector-button{font:inherit;background:var(--accent);color:var(--on-accent);padding:12px 16px;border:0;border-radius:4px;cursor:pointer;margin-right:12px}#verify-status{font-size:12px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:4px;min-height:60px;overflow-wrap:anywhere}#verify-status[data-result=match]{border-color:var(--accent)}.guide-layout{display:grid;grid-template-columns:240px 1fr;gap:80px}.guide-aside{display:flex;flex-direction:column;align-items:flex-start;gap:18px;position:sticky;top:25px;align-self:start}.guide-aside>a:not(.button){font-size:12px;color:var(--muted)}.guide-aside>a:hover{color:var(--accent)}.guide-aside>.button{font-size:11px;margin-top:10px;padding-inline:17px}.guide-content{max-width:760px}.guide-content>section+section,.prose>section+section{margin-top:55px}.guide-content p,.prose p{font-size:14px;margin-top:18px;line-height:1.85}.guide-content ol{padding:0;margin:28px 0 0;list-style:none;counter-reset:guide}.guide-content li{counter-increment:guide;padding-left:43px;position:relative;margin-bottom:30px}.guide-content li:before{content:counter(guide,decimal-leading-zero);position:absolute;left:0;top:2px;color:var(--accent);font:12px Consolas,monospace}.guide-content li strong{font-size:15px}.guide-content li p{font-size:13px;margin-top:7px}.guide-content .text-link{margin-top:22px;font-size:12px}.guide-content details{border-bottom:1px solid var(--line)}.guide-content summary{cursor:pointer;font-size:14px;padding-block:20px}.guide-content details p{margin-top:0;padding-bottom:20px;font-size:13px}.prose{max-width:740px}.prose>.text-link{margin-top:40px}
@media(max-width:1100px){.download-layout{gap:40px}.guide-layout{gap:45px;grid-template-columns:200px 1fr}.footer{gap:18px}.footer p{max-width:240px}}
@media(max-width:767px){.subpage{padding-block:25px 60px}.subpage-intro{padding:36px 0 40px}.subpage-intro h1{font-size:clamp(36px,9.5vw,58px)}.subpage-intro>p:last-child{font-size:14px}.download-layout,.guide-layout{grid-template-columns:1fr;gap:40px}.download-details h2,.verify-section h2,.guide-content h2,.prose h2{font-size:27px}.guide-aside{position:static;border-bottom:1px solid var(--line);padding-bottom:30px}.guide-content p,.prose p{font-size:13px}.verify-section{margin-top:45px;padding-top:35px}.footer{column-gap:20px}.footer p{max-width:none}.footer-brand{width:100%}.footer>a:not(.footer-brand){font-size:11px}}

/* Author-owned game and emulator reference */
.game{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 16px}.game-emulator{grid-column:1/-1;color:var(--muted);font:11px Consolas,monospace;overflow-wrap:anywhere}.emulator-reference{margin-top:55px;padding-top:40px;border-top:1px solid var(--line)}.emulator-reference>p:not(.eyebrow){margin-top:18px;max-width:680px;font-size:13px}.emulator-reference h2{font-size:clamp(28px,3vw,38px)}.table-scroll{overflow-x:auto;margin-top:25px}.emulator-reference table{border-collapse:collapse;width:100%;text-align:left;font-size:13px}.emulator-reference caption{text-align:left;font-size:11px;color:var(--muted);margin-bottom:12px}.emulator-reference th,.emulator-reference td{padding:16px 14px;border-bottom:1px solid var(--line);vertical-align:top}.emulator-reference thead th{color:var(--accent);font-size:11px;text-transform:uppercase;letter-spacing:.05em}.emulator-reference tbody th{font-weight:500}.emulator-reference td small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.emulator-reference code{white-space:nowrap}.guide-content .emulator-reference{margin-top:35px}@media(max-width:600px){.emulator-reference th,.emulator-reference td{padding:12px 8px;font-size:11px}.emulator-reference table{min-width:450px}.game-emulator{font-size:10px}}

/* Original logo artwork, recolored to the electric-blue palette. */
.brand img{filter:hue-rotate(170deg) saturate(1.35)}.hero-visual img{filter:none}::selection{background:var(--accent);color:var(--on-accent)}

/* Welcoming gaming photography */
.hero-visual img{height:440px;object-position:center;border-radius:8px}.console-showcase{padding-top:76px}.console-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:60px;margin-bottom:30px}.console-heading h2{font-size:clamp(28px,3.2vw,44px)}.console-heading>p{max-width:350px;font-size:14px}.console-heading .eyebrow{margin-bottom:14px}.console-showcase figure{margin:0}.console-showcase img{display:block;width:100%;height:auto;border-radius:8px}.console-showcase figcaption{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:20px 0;font:11px Consolas,monospace;color:var(--muted)}.console-showcase>.text-link{margin-top:22px}@media(max-width:767px){.hero-visual img{height:300px}.console-showcase{padding-top:45px}.console-heading{display:block}.console-heading>p{margin-top:18px}.console-showcase img{height:auto}.console-showcase figcaption{justify-content:flex-start;gap:12px 22px;font-size:10px}}