:root{color-scheme:dark;--bg:#090b09;--panel:#101410;--fg:#eeeee4;--muted:#969f92;--line:#2a3327;--green:#b9ff58;--mono:Consolas,'Courier New',monospace;--sans:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid var(--green);outline-offset:6px}::selection{background:var(--green);color:#090b09}.wrap{width:min(1400px,90%);margin-inline:auto}.skip{position:fixed;top:-80px;left:20px;padding:15px;background:var(--green);color:#000;z-index:10}.skip:focus{top:10px}.preview{font:10px var(--mono);letter-spacing:1.2px;background:#182014;color:#c0cbb8;padding:10px 5%;display:flex;justify-content:space-between;gap:14px}.preview a{text-decoration:underline;text-underline-offset:3px}.header{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.brand{font-size:19px;font-weight:900;letter-spacing:-.6px;display:flex;align-items:center;gap:12px}.brand-mark{font:900 30px var(--mono);color:var(--green);border:1px solid var(--green);width:35px;height:35px;line-height:33px;text-align:center}.brand-mark span{color:var(--fg)}.brand-year{font:10px var(--mono);color:var(--muted);letter-spacing:1px;margin-left:10px}.header nav{display:flex;gap:30px;font-size:13px;color:#b6bdb0}.header nav a:hover,.text-link:hover,.preview a:hover{color:var(--green)}.nav-play{border:1px solid #5b6850;padding:12px 21px;font-size:13px}.nav-play span{margin-left:20px;color:var(--green)}.hero{padding-top:76px;padding-bottom:67px;display:grid;grid-template-columns:1.08fr 1fr;gap:5%;align-items:center}.eyebrow{font:10px var(--mono);letter-spacing:1.8px;color:var(--green);line-height:1.8}.signal{display:inline-block;width:6px;height:6px;background:var(--green);margin-right:9px}.hero h1{font-family:Impact,'Arial Narrow',var(--sans);font-size:clamp(58px,6.1vw,96px);line-height:.98;letter-spacing:-1.8px;font-weight:900;margin:28px 0}.hero h1 span{color:var(--green)}.intro{font-size:15px;line-height:1.85;color:#acb3a5;max-width:460px}.intro strong{color:var(--fg);font-weight:400}.actions{display:flex;align-items:center;gap:24px;margin-top:29px}.button{display:flex;align-items:center;justify-content:space-between;gap:26px;padding:19px 22px;font:700 11px var(--mono);letter-spacing:.5px;min-height:52px;transition:background .16s,color .16s}.primary{background:var(--green);color:#101908}.primary:hover{background:#d2ff95}.secondary{border:1px solid #4b5942;background:transparent;color:var(--fg)}.secondary:hover{border-color:var(--green);color:var(--green)}.text-link{font-size:12px;line-height:1.7}.availability{font:9px var(--mono);letter-spacing:1.5px;color:#7f8b75;margin:21px 0 0}.availability span{padding:0 9px;color:var(--green)}.hero-screen{margin:0;position:relative;border:1px solid #526442;background:#000;box-shadow:16px 16px 0 #11180e}.screen-top{padding:15px 17px;display:flex;justify-content:space-between;gap:10px;font:9px var(--mono);letter-spacing:1px;color:#a5b497;background:#11170e;border-bottom:1px solid #34402b}.screen-top i{display:inline-block;width:5px;height:5px;background:var(--green);margin-right:7px}.screen-image{position:relative;padding:20px 12px 6px}.screen-image img{width:100%;height:auto;display:block;image-rendering:pixelated}.scanlines{display:none;position:absolute;inset:0;background:repeating-linear-gradient(transparent 0px,transparent 2px,#0007 3px,#0007 4px);pointer-events:none}.crt-on .scanlines{display:block}.hero-screen figcaption{padding:17px;display:flex;justify-content:space-between;align-items:center;font:9px var(--mono);letter-spacing:1px;color:#87947b}.hero-screen button{border:0;background:transparent;color:#cad8bd;padding:7px;cursor:pointer;font:10px var(--mono)}.hero-screen button b{color:var(--green);margin-left:7px}.screen-corner{position:absolute;right:-8px;bottom:-10px;color:var(--green);font:22px var(--mono)}.facts{display:grid;grid-template-columns:1fr 1.35fr 1.25fr 1fr;border-block:1px solid var(--line);padding:26px 0}.facts>div{border-right:1px solid var(--line);padding:0 28px}.facts>div:first-child{padding-left:0}.facts strong{font-size:26px;font-weight:500;letter-spacing:-1px;display:block}.facts div>span{display:block;margin-top:9px;font:9px var(--mono);letter-spacing:1px;color:var(--muted)}.facts>a{font:10px/1.8 var(--mono);letter-spacing:1px;padding-left:30px;position:relative}.facts>a span{position:absolute;right:0;top:8px;font-size:26px;color:var(--green)}.section{padding-top:80px;padding-bottom:80px}.section-label{font:10px var(--mono);letter-spacing:1.5px;color:var(--muted);margin-bottom:35px}.legacy-grid{display:grid;grid-template-columns: .85fr 1.6fr .75fr;gap:5%;align-items:start}.cover{margin:0;padding:22px;background:#030403;border:1px solid var(--line)}.cover img{display:block;width:100%;height:auto;image-rendering:pixelated}.cover figcaption{font:8px var(--mono);letter-spacing:.6px;color:var(--muted);padding-top:20px}.legacy-copy .eyebrow{margin-top:0}h2{font-size:clamp(30px,3vw,43px);letter-spacing:-1.5px;line-height:1.12;font-weight:600;margin:12px 0 22px}.legacy-copy>p:not(.eyebrow){font-size:14px;line-height:1.9;color:var(--muted)}.source{display:inline-block;border-bottom:1px solid #5c714b;padding-bottom:5px;margin-top:11px;font-size:11px}.dossier{border-top:2px solid var(--green);padding-top:15px}.dossier>.eyebrow{font-size:9px}.dossier dl{margin:9px 0 20px}.dossier dl div{border-bottom:1px solid var(--line);padding:16px 0}.dossier dt{font:8px var(--mono);letter-spacing:1px;color:var(--muted);margin-bottom:7px}.dossier dd{font-size:12px;margin:0}.dossier-end{font:8px var(--mono);color:#64715a}.mechanics{background:#121710;border-block:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}.section-heading h2{margin:0}.steps{display:grid;grid-template-columns:repeat(4,1fr)}.steps article{border-top:1px solid #435038;border-right:1px solid #35412d;padding:25px 25px 0}.steps article:first-child{padding-left:0}.steps article:last-child{border-right:0;padding-right:0}.step-number{font:14px var(--mono);color:var(--green);display:flex;justify-content:space-between}.step-number span{font-size:22px;color:#9eae91}.steps h3{font-size:23px;font-weight:500;margin:35px 0 12px;letter-spacing:-.5px}.steps p{color:#a4ad9c;font-size:13px;line-height:1.85;margin:0}.edition-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:23px}.edition-heading>p{font-size:13px;line-height:1.8;color:var(--muted)}.platforms{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.platform{border:1px solid var(--line);padding:26px;display:flex;flex-direction:column;background:#0d100c}.platform.featured{border-color:#6b864e;background:#141d0d}.platform-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.platform-top .eyebrow{color:var(--muted);font-size:8px;letter-spacing:1px}.tag{font:8px var(--mono);border:1px solid #39482e;padding:5px 6px;white-space:nowrap;color:var(--green)}.platform h3{font-size:25px;font-weight:500;letter-spacing:-1px;display:flex;justify-content:space-between;margin:30px 0 5px}.platform h3 span{color:var(--green)}.platform p{font-size:12px;line-height:1.7;color:var(--muted);margin-bottom:28px}.platform .button{margin-top:auto}.platform small{font:8px var(--mono);color:var(--muted);margin-top:12px}footer{border-top:1px solid var(--line);padding-top:32px}.footer-top,.footer-bottom{display:flex;justify-content:space-between;gap:24px}.footer-bottom{margin:25px 0 28px;font:9px/1.8 var(--mono);color:#85917b}.footer-bottom p{margin:0}.footer-bottom p:last-child{text-align:right}.footer-bottom a{text-decoration:underline;text-underline-offset:3px}.spectrum-line{display:flex;width:125px;height:5px}.spectrum-line i{flex:1;background:#ff4343}.spectrum-line i:nth-child(2){background:#f6e24b}.spectrum-line i:nth-child(3){background:#58ec68}.spectrum-line i:nth-child(4){background:#57cedf}@media(min-width:1600px){.hero{padding-block:95px}.hero h1{font-size:106px}}@media(max-width:1100px){.header .brand-year{display:none}.hero{gap:4%;padding-top:55px}.hero h1{font-size:65px}.actions{align-items:flex-start;flex-direction:column;gap:16px}.legacy-grid{grid-template-columns:1fr 1.6fr}.dossier{grid-column:1/-1;display:none}.platform{padding:20px}.platform-top{align-items:start;flex-direction:column;gap:8px}}@media(max-width:720px){.preview{font-size:8px;letter-spacing:.4px;flex-wrap:wrap}.header{height:80px;flex-wrap:wrap;gap:12px}.brand{font-size:16px}.brand-mark{font-size:24px;width:29px;height:29px;line-height:27px}.header nav{display:none}.hero{grid-template-columns:1fr;padding-top:36px;padding-bottom:45px;gap:35px}.hero h1{font-size:clamp(58px,13vw,90px);letter-spacing:-1px}.hero .eyebrow{font-size:9px}.intro{font-size:14px}.actions{flex-direction:row;align-items:center;gap:18px;flex-wrap:wrap}.button{padding:17px}.hero-screen{max-width:530px;box-shadow:8px 8px 0 #11180e}.facts{grid-template-columns:1fr 1fr;gap:26px 0;padding:25px 0}.facts>div{padding:0 16px}.facts>div:nth-child(2){border:0}.facts>div:nth-child(3){padding-left:0}.facts strong{font-size:24px}.facts div>span{font-size:8px}.facts>a{padding-left:16px;font-size:9px}.facts>a span{font-size:22px}.section{padding-block:49px}.section-label{margin-bottom:26px}.legacy-grid{grid-template-columns:1fr;gap:28px}.cover{max-width:320px}.legacy-copy{grid-row:1}.section-heading{align-items:start;flex-direction:column}.steps{grid-template-columns:1fr 1fr;gap:25px 0}.steps article{padding:18px 15px 0}.steps article:nth-child(odd){padding-left:0}.steps article:nth-child(even){border-right:0;padding-right:0}.steps h3{margin-top:22px;font-size:21px}.steps p{font-size:12px}.edition-heading{align-items:start;flex-direction:column;gap:0}.edition-heading>p{margin-top:0}.platforms{grid-template-columns:1fr}.platform-top{flex-direction:row;align-items:center}.platform{padding:25px}.platform h3{margin-top:23px}.footer-top,.footer-bottom{flex-direction:column;gap:16px}.footer-top .brand{flex-wrap:wrap}.footer-top .brand-year{margin-left:0}.footer-bottom p:last-child{text-align:left}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* One-click 1986 experience: the original loading recording and a quiet CRT treatment. */
.retro-button{border:1px solid #64784f;background:transparent;color:var(--green);cursor:pointer;padding:17px 15px;font:700 10px var(--mono);letter-spacing:.6px;min-height:52px;display:flex;align-items:center;gap:15px}.retro-button:hover{background:#182212}.retro-button[aria-pressed=true]{background:var(--green);color:#071006}.retro-status{font:10px/1.7 var(--mono);color:var(--muted);margin:15px 0 0;max-width:460px}.retro-overlay{display:none;position:fixed;inset:0;z-index:5;pointer-events:none;background:repeating-linear-gradient(to bottom,transparent 0,transparent 3px,rgba(0,0,0,.17) 3px,rgba(0,0,0,.17) 4px);box-shadow:inset 0 0 110px rgba(0,0,0,.5)}body.retro-1986{--bg:#000;--panel:#001600;--fg:#ceffce;--muted:#94c994;--line:#245a24;--green:#00ff38;--sans:Consolas,'Courier New',monospace;text-shadow:0 0 3px #00ff382b}body.retro-1986 .retro-overlay{display:block}body.retro-1986 .hero h1{font-family:var(--mono);font-size:clamp(36px,5vw,75px);letter-spacing:-2px;line-height:1.06}body.retro-1986 .hero-screen{border-color:#00ff38;box-shadow:8px 8px 0 #003c08,0 0 30px #00ff3810}body.retro-1986 .screen-top{background:#00230a;color:#00ff38}body.retro-1986 .hero-screen img{filter:contrast(1.1)}body.retro-1986 .preview{background:#001c06}body.retro-1986 .intro strong{color:#00ff38}.hero-screen figcaption button{min-height:36px}@media(max-width:720px){body.retro-1986 .hero h1{font-size:clamp(34px,8.7vw,62px)}.retro-button{font-size:9px;padding-inline:12px}}
/* The cassette is the single entry point to the retro experience. */
.facts{grid-template-columns:1fr 1.15fr 1.15fr 1.45fr;align-items:center}.cassette-slot{min-width:0;padding-left:28px}.cassette-button{display:block;width:100%;border:0;padding:0;background:transparent;color:var(--fg);cursor:pointer;text-align:left;font-family:var(--mono)}.cassette-heading{display:block;font-size:9px;letter-spacing:.7px;color:var(--muted);line-height:1.6}.cassette-button img{display:block;width:100%;max-width:250px;height:auto;margin:9px auto 5px;border-radius:5px;transition:transform .2s,filter .2s}.cassette-action{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--green);font:700 11px/1.8 var(--mono);letter-spacing:.6px}.cassette-indicator{font-size:13px}.cassette-button:hover img{transform:translateY(-3px) rotate(-2deg);filter:brightness(1.12)}.cassette-button[aria-pressed=true] img{filter:drop-shadow(0 0 7px #00ff3860)}.cassette-button[aria-pressed=true] .cassette-indicator{color:var(--green)}.cassette-slot .retro-status{font-size:9px;line-height:1.6;margin-top:7px;color:var(--muted)}@media(max-width:720px){.facts{grid-template-columns:1fr 1fr}.cassette-slot{padding-left:16px}.cassette-heading{font-size:8px}.cassette-action{font-size:10px;letter-spacing:0}.cassette-slot .retro-status{font-size:8px}.cassette-button img{margin-block:10px}}@media(prefers-reduced-motion:reduce){.cassette-button:hover img{transform:none}}
/* Compact final strip: figures and cassette share one balanced row. */
.facts{grid-template-columns:1fr 1.15fr 1.15fr 1.1fr;padding-block:20px;margin-bottom:32px}.cassette-slot{padding-left:24px}.cassette-button img{width:130px;max-width:100%;margin:5px auto 3px}.cassette-heading{font-size:8px;letter-spacing:.4px}.cassette-action{font-size:10px;letter-spacing:.3px}.cassette-slot .retro-status{font-size:8px;line-height:1.45;margin-top:4px}@media(max-width:720px){.facts{grid-template-columns:1fr 1fr;padding-block:20px;gap:20px 0;margin-bottom:24px}.cassette-slot{padding-left:16px}.cassette-button img{width:110px}.cassette-heading{font-size:7px}.cassette-action{font-size:9px}}
/* Light preview; the cassette still switches to the dark 1986 theme. */
body:not(.retro-1986){color-scheme:light;--bg:#fff;--panel:#f4f6f1;--fg:#172015;--muted:#5b6655;--line:#d7deD1;--green:#397516}body:not(.retro-1986) .preview{background:#edf3e7;color:#47533c}body:not(.retro-1986) .header nav{color:#4b5743}body:not(.retro-1986) .intro{color:#58614f}body:not(.retro-1986) .primary{background:#b9ff58;color:#142008}body:not(.retro-1986) .primary:hover{background:#a6ef43}body:not(.retro-1986) .availability,body:not(.retro-1986) .footer-bottom{color:#626e59}body:not(.retro-1986) .hero-screen{box-shadow:12px 12px 0 #edf2e8}body:not(.retro-1986) .hero-screen figcaption{color:#a8b99a}body:not(.retro-1986) .screen-top{color:#c1ceB6}body:not(.retro-1986) .cassette-button:hover img{filter:brightness(1.04)}
/* Green horizontal rules connect the timeline strip to the Sentinel palette. */
.facts{border-top-color:var(--green);border-bottom-color:var(--green)}
footer.wrap{border-top-color:var(--green)}
/* Shared heading and a single short cassette action. */
.facts{row-gap:10px;padding-block:15px}.facts #facts-title{grid-column:1/-1;font:500 10px/1.5 var(--mono);letter-spacing:1.4px;color:var(--green);margin:0}.facts>div:first-of-type{padding-left:0}.cassette-button img{width:100px;margin:0 auto 3px}.cassette-action{justify-content:center;font-size:8px;gap:6px;letter-spacing:0}.cassette-slot .visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}@media(max-width:720px){.facts{row-gap:15px}.facts>div{border-right:1px solid var(--line);padding-inline:16px}.facts>div:nth-of-type(2){border-right:0}.facts>div:nth-of-type(3){padding-left:0}.cassette-button img{width:90px}.cassette-action{font-size:8px}.facts #facts-title{font-size:9px;letter-spacing:.8px}}
/* Keep only the timeline's bottom rule above the footer. */
footer.wrap{border-top:0}
/* Display the supplied picture fully, with no added inner frame or caption. */
.hero{grid-template-columns:.95fr 1.15fr;gap:4%}.screen-image{padding:0}.screen-image img{image-rendering:auto;width:100%;height:auto}.hero-screen .screen-corner{display:none}body:not(.retro-1986) .hero-screen{box-shadow:5px 5px 0 #edf2e8}body.retro-1986 .hero-screen img{filter:none}@media(max-width:720px){.hero{grid-template-columns:1fr;gap:28px}.hero-screen{max-width:none;width:100%}}